]>
Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* tc-m68k.c -- Assemble for the m68k family |
fd67aa11 | 2 | Copyright (C) 1987-2024 Free Software Foundation, Inc. |
252b5132 RH |
3 | |
4 | This file is part of GAS, the GNU Assembler. | |
5 | ||
6 | GAS is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
ec2655a6 | 8 | the Free Software Foundation; either version 3, or (at your option) |
252b5132 RH |
9 | any later version. |
10 | ||
11 | GAS is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GAS; see the file COPYING. If not, write to the Free | |
4b4da160 NC |
18 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
19 | 02110-1301, USA. */ | |
252b5132 | 20 | |
252b5132 | 21 | #include "as.h" |
3882b010 | 22 | #include "safe-ctype.h" |
252b5132 RH |
23 | #include "obstack.h" |
24 | #include "subsegs.h" | |
f27a3839 | 25 | #include "dwarf2dbg.h" |
c04898f8 | 26 | #include "dw2gencfi.h" |
252b5132 RH |
27 | |
28 | #include "opcode/m68k.h" | |
29 | #include "m68k-parse.h" | |
0d96863f | 30 | #include "elf/m68k.h" |
31302357 | 31 | |
cf869cce | 32 | static void m68k_elf_cons (int); |
85f7484a | 33 | static void m68k_elf_gnu_attribute (int); |
cf869cce | 34 | |
252b5132 RH |
35 | /* This string holds the chars that always start a comment. If the |
36 | pre-processor is disabled, these aren't very useful. The macro | |
37 | tc_comment_chars points to this. We use this, rather than the | |
38 | usual comment_chars, so that the --bitwise-or option will work. */ | |
39 | #if defined (TE_SVR4) || defined (TE_DELTA) | |
40 | const char *m68k_comment_chars = "|#"; | |
41 | #else | |
42 | const char *m68k_comment_chars = "|"; | |
43 | #endif | |
44 | ||
45 | /* This array holds the chars that only start a comment at the beginning of | |
46 | a line. If the line seems to have the form '# 123 filename' | |
47 | .line and .file directives will appear in the pre-processed output */ | |
48 | /* Note that input_file.c hand checks for '#' at the beginning of the | |
49 | first line of the input file. This is because the compiler outputs | |
92774660 KH |
50 | #NO_APP at the beginning of its output. */ |
51 | /* Also note that comments like this one will always work. */ | |
252b5132 RH |
52 | const char line_comment_chars[] = "#*"; |
53 | ||
63a0b638 | 54 | const char line_separator_chars[] = ";"; |
252b5132 | 55 | |
36759679 | 56 | /* Chars that can be used to separate mant from exp in floating point nums. */ |
5a38dc70 | 57 | const char EXP_CHARS[] = "eE"; |
252b5132 RH |
58 | |
59 | /* Chars that mean this number is a floating point constant, as | |
60 | in "0f12.456" or "0d1.2345e12". */ | |
61 | ||
5a38dc70 | 62 | const char FLT_CHARS[] = "rRsSfFdDxXeEpP"; |
252b5132 RH |
63 | |
64 | /* Also be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be | |
65 | changed in read.c . Ideally it shouldn't have to know about it at all, | |
66 | but nothing is ideal around here. */ | |
67 | ||
252b5132 RH |
68 | /* Are we trying to generate PIC code? If so, absolute references |
69 | ought to be made into linkage table references or pc-relative | |
92774660 | 70 | references. Not implemented. For ELF there are other means |
252b5132 RH |
71 | to denote pic relocations. */ |
72 | int flag_want_pic; | |
73 | ||
36759679 NC |
74 | static int flag_short_refs; /* -l option. */ |
75 | static int flag_long_jumps; /* -S option. */ | |
28e7409f | 76 | static int flag_keep_pcrel; /* --pcrel option. */ |
252b5132 RH |
77 | |
78 | #ifdef REGISTER_PREFIX_OPTIONAL | |
79 | int flag_reg_prefix_optional = REGISTER_PREFIX_OPTIONAL; | |
80 | #else | |
81 | int flag_reg_prefix_optional; | |
82 | #endif | |
83 | ||
84 | /* Whether --register-prefix-optional was used on the command line. */ | |
85 | static int reg_prefix_optional_seen; | |
86 | ||
87 | /* The floating point coprocessor to use by default. */ | |
88 | static enum m68k_register m68k_float_copnum = COP1; | |
89 | ||
90 | /* If this is non-zero, then references to number(%pc) will be taken | |
91 | to refer to number, rather than to %pc + number. */ | |
92 | static int m68k_abspcadd; | |
93 | ||
94 | /* If this is non-zero, then the quick forms of the move, add, and sub | |
95 | instructions are used when possible. */ | |
96 | static int m68k_quick = 1; | |
97 | ||
98 | /* If this is non-zero, then if the size is not specified for a base | |
99 | or outer displacement, the assembler assumes that the size should | |
100 | be 32 bits. */ | |
101 | static int m68k_rel32 = 1; | |
102 | ||
103 | /* This is non-zero if m68k_rel32 was set from the command line. */ | |
104 | static int m68k_rel32_from_cmdline; | |
105 | ||
106 | /* The default width to use for an index register when using a base | |
107 | displacement. */ | |
108 | static enum m68k_size m68k_index_width_default = SIZE_LONG; | |
109 | ||
252b5132 RH |
110 | /* The current label. */ |
111 | ||
c641fe0d | 112 | static struct m68k_tc_sy *current_label; |
252b5132 | 113 | |
60fed2d3 NC |
114 | /* Pointer to list holding the opcodes sorted by name. */ |
115 | static struct m68k_opcode const ** m68k_sorted_opcodes; | |
116 | ||
33eaf5de | 117 | /* It's an arbitrary name: This means I don't approve of it. |
36759679 | 118 | See flames below. */ |
252b5132 RH |
119 | static struct obstack robyn; |
120 | ||
252b5132 RH |
121 | struct m68k_incant |
122 | { | |
123 | const char *m_operands; | |
124 | unsigned long m_opcode; | |
125 | short m_opnum; | |
126 | short m_codenum; | |
127 | int m_arch; | |
128 | struct m68k_incant *m_next; | |
129 | }; | |
130 | ||
131 | #define getone(x) ((((x)->m_opcode)>>16)&0xffff) | |
132 | #define gettwo(x) (((x)->m_opcode)&0xffff) | |
133 | ||
2da12c60 NS |
134 | static const enum m68k_register m68000_ctrl[] = { 0 }; |
135 | static const enum m68k_register m68010_ctrl[] = { | |
252b5132 RH |
136 | SFC, DFC, USP, VBR, |
137 | 0 | |
138 | }; | |
2da12c60 | 139 | static const enum m68k_register m68020_ctrl[] = { |
252b5132 RH |
140 | SFC, DFC, USP, VBR, CACR, CAAR, MSP, ISP, |
141 | 0 | |
142 | }; | |
2da12c60 | 143 | static const enum m68k_register m68040_ctrl[] = { |
252b5132 RH |
144 | SFC, DFC, CACR, TC, ITT0, ITT1, DTT0, DTT1, |
145 | USP, VBR, MSP, ISP, MMUSR, URP, SRP, | |
146 | 0 | |
147 | }; | |
2da12c60 | 148 | static const enum m68k_register m68060_ctrl[] = { |
252b5132 RH |
149 | SFC, DFC, CACR, TC, ITT0, ITT1, DTT0, DTT1, BUSCR, |
150 | USP, VBR, URP, SRP, PCR, | |
151 | 0 | |
152 | }; | |
2da12c60 | 153 | static const enum m68k_register mcf_ctrl[] = { |
3e602632 | 154 | CACR, TC, ACR0, ACR1, ACR2, ACR3, VBR, ROMBAR, |
78336706 NS |
155 | RAMBAR0, RAMBAR1, RAMBAR, MBAR, |
156 | 0 | |
157 | }; | |
87298967 NS |
158 | static const enum m68k_register mcf51_ctrl[] = { |
159 | VBR, CPUCR, | |
f75192f2 KH |
160 | 0 |
161 | }; | |
78336706 | 162 | static const enum m68k_register mcf5206_ctrl[] = { |
0d999f33 | 163 | CACR, ACR0, ACR1, VBR, RAMBAR0, RAMBAR_ALT, MBAR, |
252b5132 RH |
164 | 0 |
165 | }; | |
2da12c60 | 166 | static const enum m68k_register mcf5208_ctrl[] = { |
78336706 | 167 | CACR, ACR0, ACR1, VBR, RAMBAR, RAMBAR1, |
266abb8f NS |
168 | 0 |
169 | }; | |
96e0bbcc | 170 | static const enum m68k_register mcf5210a_ctrl[] = { |
78336706 | 171 | VBR, CACR, ACR0, ACR1, ROMBAR, RAMBAR, RAMBAR1, MBAR, |
96e0bbcc NS |
172 | 0 |
173 | }; | |
2da12c60 | 174 | static const enum m68k_register mcf5213_ctrl[] = { |
78336706 | 175 | VBR, RAMBAR, RAMBAR1, FLASHBAR, |
266abb8f NS |
176 | 0 |
177 | }; | |
2da12c60 | 178 | static const enum m68k_register mcf5216_ctrl[] = { |
78336706 | 179 | VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR, RAMBAR1, |
266abb8f NS |
180 | 0 |
181 | }; | |
46203761 MK |
182 | static const enum m68k_register mcf5221x_ctrl[] = { |
183 | VBR, FLASHBAR, RAMBAR, RAMBAR1, | |
184 | 0 | |
185 | }; | |
d5be9593 | 186 | static const enum m68k_register mcf52223_ctrl[] = { |
0d999f33 | 187 | VBR, FLASHBAR, RAMBAR, RAMBAR1, |
d5be9593 NS |
188 | 0 |
189 | }; | |
96e0bbcc | 190 | static const enum m68k_register mcf52235_ctrl[] = { |
b345c8c2 | 191 | VBR, FLASHBAR, RAMBAR, RAMBAR1, |
96e0bbcc NS |
192 | 0 |
193 | }; | |
194 | static const enum m68k_register mcf5225_ctrl[] = { | |
78336706 | 195 | VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR, MBAR, RAMBAR1, |
96e0bbcc NS |
196 | 0 |
197 | }; | |
87298967 NS |
198 | static const enum m68k_register mcf52259_ctrl[] = { |
199 | VBR, FLASHBAR, RAMBAR, RAMBAR1, | |
200 | 0 | |
201 | }; | |
202 | static const enum m68k_register mcf52277_ctrl[] = { | |
203 | VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1, | |
204 | 0 | |
205 | }; | |
2da12c60 | 206 | static const enum m68k_register mcf5235_ctrl[] = { |
78336706 | 207 | VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1, |
e80e0390 NC |
208 | 0 |
209 | }; | |
2da12c60 | 210 | static const enum m68k_register mcf5249_ctrl[] = { |
78336706 | 211 | VBR, CACR, ACR0, ACR1, RAMBAR0, RAMBAR1, RAMBAR, MBAR, MBAR2, |
3e602632 NC |
212 | 0 |
213 | }; | |
2da12c60 NS |
214 | static const enum m68k_register mcf5250_ctrl[] = { |
215 | VBR, | |
216 | 0 | |
217 | }; | |
d5be9593 | 218 | static const enum m68k_register mcf5253_ctrl[] = { |
def8fc92 | 219 | VBR, CACR, ACR0, ACR1, RAMBAR0, RAMBAR1, RAMBAR, MBAR, MBAR2, |
d5be9593 NS |
220 | 0 |
221 | }; | |
2da12c60 | 222 | static const enum m68k_register mcf5271_ctrl[] = { |
78336706 | 223 | VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1, |
2da12c60 NS |
224 | 0 |
225 | }; | |
226 | static const enum m68k_register mcf5272_ctrl[] = { | |
78336706 | 227 | VBR, CACR, ACR0, ACR1, ROMBAR, RAMBAR_ALT, RAMBAR0, MBAR, |
2da12c60 NS |
228 | 0 |
229 | }; | |
230 | static const enum m68k_register mcf5275_ctrl[] = { | |
78336706 | 231 | VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1, |
2da12c60 NS |
232 | 0 |
233 | }; | |
234 | static const enum m68k_register mcf5282_ctrl[] = { | |
78336706 NS |
235 | VBR, CACR, ACR0, ACR1, FLASHBAR, RAMBAR, RAMBAR1, |
236 | 0 | |
237 | }; | |
87298967 | 238 | static const enum m68k_register mcf53017_ctrl[] = { |
b345c8c2 | 239 | VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1, |
87298967 NS |
240 | 0 |
241 | }; | |
78336706 | 242 | static const enum m68k_register mcf5307_ctrl[] = { |
87298967 | 243 | VBR, CACR, ACR0, ACR1, RAMBAR0, RAMBAR_ALT, MBAR, |
2da12c60 NS |
244 | 0 |
245 | }; | |
246 | static const enum m68k_register mcf5329_ctrl[] = { | |
78336706 | 247 | VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1, |
2da12c60 NS |
248 | 0 |
249 | }; | |
250 | static const enum m68k_register mcf5373_ctrl[] = { | |
78336706 | 251 | VBR, CACR, ACR0, ACR1, RAMBAR, RAMBAR1, |
2da12c60 NS |
252 | 0 |
253 | }; | |
254 | static const enum m68k_register mcfv4e_ctrl[] = { | |
a8e24a56 NS |
255 | CACR, ASID, ACR0, ACR1, ACR2, ACR3, MMUBAR, |
256 | VBR, PC, ROMBAR0, ROMBAR1, RAMBAR0, RAMBAR1, | |
257 | MBAR, SECMBAR, | |
258 | MPCR /* Multiprocessor Control register */, | |
259 | EDRAMBAR /* Embedded DRAM Base Address Register */, | |
260 | /* Permutation control registers. */ | |
3e602632 NC |
261 | PCR1U0, PCR1L0, PCR1U1, PCR1L1, PCR2U0, PCR2L0, PCR2U1, PCR2L1, |
262 | PCR3U0, PCR3L0, PCR3U1, PCR3L1, | |
a8e24a56 NS |
263 | /* Legacy names */ |
264 | TC /* ASID */, BUSCR /* MMUBAR */, | |
265 | ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */, | |
266 | MBAR1 /* MBAR */, MBAR2 /* SECMBAR */, MBAR0 /* SECMBAR */, | |
78336706 | 267 | ROMBAR /* ROMBAR0 */, RAMBAR /* RAMBAR1 */, |
a8e24a56 NS |
268 | 0 |
269 | }; | |
def8fc92 KH |
270 | static const enum m68k_register mcf5407_ctrl[] = { |
271 | CACR, ASID, ACR0, ACR1, ACR2, ACR3, | |
272 | VBR, PC, RAMBAR0, RAMBAR1, MBAR, | |
273 | /* Legacy names */ | |
274 | TC /* ASID */, | |
275 | ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */, | |
276 | MBAR1 /* MBAR */, RAMBAR /* RAMBAR1 */, | |
277 | 0 | |
278 | }; | |
0d999f33 MK |
279 | static const enum m68k_register mcf54418_ctrl[] = { |
280 | CACR, ASID, ACR0, ACR1, ACR2, ACR3, ACR4, ACR5, ACR6, ACR7, MMUBAR, RGPIOBAR, | |
281 | VBR, PC, RAMBAR1, | |
282 | /* Legacy names */ | |
283 | TC /* ASID */, BUSCR /* MMUBAR */, | |
284 | ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */, | |
285 | RAMBAR /* RAMBAR1 */, | |
286 | 0 | |
287 | }; | |
9a2e615a NS |
288 | static const enum m68k_register mcf54455_ctrl[] = { |
289 | CACR, ASID, ACR0, ACR1, ACR2, ACR3, MMUBAR, | |
0d999f33 | 290 | VBR, PC, RAMBAR1, |
9a2e615a NS |
291 | /* Legacy names */ |
292 | TC /* ASID */, BUSCR /* MMUBAR */, | |
293 | ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */, | |
0d999f33 | 294 | RAMBAR /* RAMBAR1 */, |
9a2e615a NS |
295 | 0 |
296 | }; | |
a8e24a56 NS |
297 | static const enum m68k_register mcf5475_ctrl[] = { |
298 | CACR, ASID, ACR0, ACR1, ACR2, ACR3, MMUBAR, | |
299 | VBR, PC, RAMBAR0, RAMBAR1, MBAR, | |
300 | /* Legacy names */ | |
301 | TC /* ASID */, BUSCR /* MMUBAR */, | |
302 | ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */, | |
78336706 | 303 | MBAR1 /* MBAR */, RAMBAR /* RAMBAR1 */, |
a8e24a56 NS |
304 | 0 |
305 | }; | |
306 | static const enum m68k_register mcf5485_ctrl[] = { | |
307 | CACR, ASID, ACR0, ACR1, ACR2, ACR3, MMUBAR, | |
308 | VBR, PC, RAMBAR0, RAMBAR1, MBAR, | |
309 | /* Legacy names */ | |
310 | TC /* ASID */, BUSCR /* MMUBAR */, | |
311 | ITT0 /* ACR0 */, ITT1 /* ACR1 */, DTT0 /* ACR2 */, DTT1 /* ACR3 */, | |
78336706 | 312 | MBAR1 /* MBAR */, RAMBAR /* RAMBAR1 */, |
3e602632 NC |
313 | 0 |
314 | }; | |
f7ec513b | 315 | static const enum m68k_register fido_ctrl[] = { |
d0fa1372 | 316 | SFC, DFC, USP, VBR, CAC, MBO, |
f7ec513b KH |
317 | 0 |
318 | }; | |
2da12c60 | 319 | #define cpu32_ctrl m68010_ctrl |
252b5132 RH |
320 | |
321 | static const enum m68k_register *control_regs; | |
322 | ||
36759679 | 323 | /* Internal form of a 68020 instruction. */ |
252b5132 RH |
324 | struct m68k_it |
325 | { | |
326 | const char *error; | |
36759679 | 327 | const char *args; /* List of opcode info. */ |
252b5132 RH |
328 | int numargs; |
329 | ||
36759679 | 330 | int numo; /* Number of shorts in opcode. */ |
252b5132 RH |
331 | short opcode[11]; |
332 | ||
333 | struct m68k_op operands[6]; | |
334 | ||
36759679 | 335 | int nexp; /* Number of exprs in use. */ |
252b5132 RH |
336 | struct m68k_exp exprs[4]; |
337 | ||
36759679 | 338 | int nfrag; /* Number of frags we have to produce. */ |
252b5132 RH |
339 | struct |
340 | { | |
36759679 | 341 | int fragoff; /* Where in the current opcode the frag ends. */ |
252b5132 RH |
342 | symbolS *fadd; |
343 | offsetT foff; | |
344 | int fragty; | |
345 | } | |
346 | fragb[4]; | |
347 | ||
33eaf5de | 348 | int nrel; /* Num of reloc structs in use. */ |
252b5132 RH |
349 | struct |
350 | { | |
351 | int n; | |
352 | expressionS exp; | |
353 | char wid; | |
354 | char pcrel; | |
355 | /* In a pc relative address the difference between the address | |
356 | of the offset and the address that the offset is relative | |
357 | to. This depends on the addressing mode. Basically this | |
358 | is the value to put in the offset field to address the | |
359 | first byte of the offset, without regarding the special | |
360 | significance of some values (in the branch instruction, for | |
361 | example). */ | |
362 | int pcrel_fix; | |
252b5132 RH |
363 | /* Whether this expression needs special pic relocation, and if |
364 | so, which. */ | |
365 | enum pic_relocation pic_reloc; | |
252b5132 | 366 | } |
36759679 | 367 | reloc[5]; /* Five is enough??? */ |
252b5132 RH |
368 | }; |
369 | ||
9840d27e | 370 | #define cpu_of_arch(x) ((x) & (m68000up | mcfisa_a | fido_a)) |
252b5132 RH |
371 | #define float_of_arch(x) ((x) & mfloat) |
372 | #define mmu_of_arch(x) ((x) & mmmu) | |
6b6e92f4 NC |
373 | #define arch_coldfire_p(x) ((x) & mcfisa_a) |
374 | #define arch_coldfire_fpu(x) ((x) & cfloat) | |
252b5132 | 375 | |
36759679 | 376 | /* Macros for determining if cpu supports a specific addressing mode. */ |
9a2e615a NS |
377 | #define HAVE_LONG_DISP(x) \ |
378 | ((x) & (m68020|m68030|m68040|m68060|cpu32|fido_a|mcfisa_b|mcfisa_c)) | |
379 | #define HAVE_LONG_CALL(x) \ | |
380 | ((x) & (m68020|m68030|m68040|m68060|cpu32|fido_a|mcfisa_b|mcfisa_c)) | |
381 | #define HAVE_LONG_COND(x) \ | |
382 | ((x) & (m68020|m68030|m68040|m68060|cpu32|fido_a|mcfisa_b|mcfisa_c)) | |
383 | #define HAVE_LONG_BRANCH(x) \ | |
384 | ((x) & (m68020|m68030|m68040|m68060|cpu32|fido_a|mcfisa_b)) | |
cac27205 | 385 | #define LONG_BRANCH_VIA_COND(x) (HAVE_LONG_COND(x) && !HAVE_LONG_BRANCH(x)) |
252b5132 | 386 | |
36759679 | 387 | static struct m68k_it the_ins; /* The instruction being assembled. */ |
252b5132 RH |
388 | |
389 | #define op(ex) ((ex)->exp.X_op) | |
390 | #define adds(ex) ((ex)->exp.X_add_symbol) | |
391 | #define subs(ex) ((ex)->exp.X_op_symbol) | |
392 | #define offs(ex) ((ex)->exp.X_add_number) | |
393 | ||
36759679 | 394 | /* Macros for adding things to the m68k_it struct. */ |
31302357 | 395 | #define addword(w) (the_ins.opcode[the_ins.numo++] = (w)) |
252b5132 | 396 | |
36759679 NC |
397 | /* Like addword, but goes BEFORE general operands. */ |
398 | ||
252b5132 | 399 | static void |
31302357 | 400 | insop (int w, const struct m68k_incant *opcode) |
252b5132 RH |
401 | { |
402 | int z; | |
07726851 | 403 | for (z = the_ins.numo; z > opcode->m_codenum; --z) |
8a104df9 KH |
404 | the_ins.opcode[z] = the_ins.opcode[z - 1]; |
405 | for (z = 0; z < the_ins.nrel; z++) | |
406 | the_ins.reloc[z].n += 2; | |
252b5132 RH |
407 | for (z = 0; z < the_ins.nfrag; z++) |
408 | the_ins.fragb[z].fragoff++; | |
8a104df9 | 409 | the_ins.opcode[opcode->m_codenum] = w; |
252b5132 RH |
410 | the_ins.numo++; |
411 | } | |
412 | ||
413 | /* The numo+1 kludge is so we can hit the low order byte of the prev word. | |
414 | Blecch. */ | |
415 | static void | |
31302357 | 416 | add_fix (int width, struct m68k_exp *exp, int pc_rel, int pc_fix) |
252b5132 | 417 | { |
31302357 AS |
418 | the_ins.reloc[the_ins.nrel].n = (width == 'B' || width == '3' |
419 | ? the_ins.numo * 2 - 1 | |
420 | : (width == 'b' | |
421 | ? the_ins.numo * 2 + 1 | |
422 | : the_ins.numo * 2)); | |
252b5132 RH |
423 | the_ins.reloc[the_ins.nrel].exp = exp->exp; |
424 | the_ins.reloc[the_ins.nrel].wid = width; | |
425 | the_ins.reloc[the_ins.nrel].pcrel_fix = pc_fix; | |
252b5132 | 426 | the_ins.reloc[the_ins.nrel].pic_reloc = exp->pic_reloc; |
252b5132 RH |
427 | the_ins.reloc[the_ins.nrel++].pcrel = pc_rel; |
428 | } | |
429 | ||
430 | /* Cause an extra frag to be generated here, inserting up to 10 bytes | |
431 | (that value is chosen in the frag_var call in md_assemble). TYPE | |
432 | is the subtype of the frag to be generated; its primary type is | |
433 | rs_machine_dependent. | |
434 | ||
435 | The TYPE parameter is also used by md_convert_frag_1 and | |
436 | md_estimate_size_before_relax. The appropriate type of fixup will | |
437 | be emitted by md_convert_frag_1. | |
438 | ||
439 | ADD becomes the FR_SYMBOL field of the frag, and OFF the FR_OFFSET. */ | |
440 | static void | |
31302357 | 441 | add_frag (symbolS *add, offsetT off, int type) |
252b5132 | 442 | { |
8a104df9 KH |
443 | the_ins.fragb[the_ins.nfrag].fragoff = the_ins.numo; |
444 | the_ins.fragb[the_ins.nfrag].fadd = add; | |
445 | the_ins.fragb[the_ins.nfrag].foff = off; | |
446 | the_ins.fragb[the_ins.nfrag++].fragty = type; | |
252b5132 RH |
447 | } |
448 | ||
449 | #define isvar(ex) \ | |
450 | (op (ex) != O_constant && op (ex) != O_big) | |
451 | ||
31302357 AS |
452 | static char *crack_operand (char *str, struct m68k_op *opP); |
453 | static int get_num (struct m68k_exp *exp, int ok); | |
454 | static int reverse_16_bits (int in); | |
455 | static int reverse_8_bits (int in); | |
456 | static void install_gen_operand (int mode, int val); | |
457 | static void install_operand (int mode, int val); | |
458 | static void s_bss (int); | |
459 | static void s_data1 (int); | |
460 | static void s_data2 (int); | |
461 | static void s_even (int); | |
462 | static void s_proc (int); | |
463 | static void s_chip (int); | |
464 | static void s_fopt (int); | |
465 | static void s_opt (int); | |
466 | static void s_reg (int); | |
467 | static void s_restore (int); | |
468 | static void s_save (int); | |
469 | static void s_mri_if (int); | |
470 | static void s_mri_else (int); | |
471 | static void s_mri_endi (int); | |
472 | static void s_mri_break (int); | |
473 | static void s_mri_next (int); | |
474 | static void s_mri_for (int); | |
475 | static void s_mri_endf (int); | |
476 | static void s_mri_repeat (int); | |
477 | static void s_mri_until (int); | |
478 | static void s_mri_while (int); | |
479 | static void s_mri_endw (int); | |
266abb8f NS |
480 | static void s_m68k_cpu (int); |
481 | static void s_m68k_arch (int); | |
482 | ||
483 | struct m68k_cpu | |
484 | { | |
485 | unsigned long arch; /* Architecture features. */ | |
2da12c60 | 486 | const enum m68k_register *control_regs; /* Control regs on chip */ |
266abb8f | 487 | const char *name; /* Name */ |
2b0f3761 | 488 | int alias; /* Alias for a canonical name. If 1, then |
0b2e31dc NS |
489 | succeeds canonical name, if -1 then |
490 | succeeds canonical name, if <-1 ||>1 this is a | |
491 | deprecated name, and the next/previous name | |
492 | should be used. */ | |
266abb8f | 493 | }; |
252b5132 | 494 | |
266abb8f NS |
495 | /* We hold flags for features explicitly enabled and explicitly |
496 | disabled. */ | |
252b5132 | 497 | static int current_architecture; |
266abb8f | 498 | static int not_current_architecture; |
266abb8f NS |
499 | static const struct m68k_cpu *selected_arch; |
500 | static const struct m68k_cpu *selected_cpu; | |
501 | static int initialized; | |
252b5132 | 502 | |
266abb8f NS |
503 | /* Architecture models. */ |
504 | static const struct m68k_cpu m68k_archs[] = | |
505 | { | |
2da12c60 NS |
506 | {m68000, m68000_ctrl, "68000", 0}, |
507 | {m68010, m68010_ctrl, "68010", 0}, | |
508 | {m68020|m68881|m68851, m68020_ctrl, "68020", 0}, | |
509 | {m68030|m68881|m68851, m68020_ctrl, "68030", 0}, | |
510 | {m68040, m68040_ctrl, "68040", 0}, | |
511 | {m68060, m68060_ctrl, "68060", 0}, | |
512 | {cpu32|m68881, cpu32_ctrl, "cpu32", 0}, | |
3bdcfdf4 | 513 | {fido_a, fido_ctrl, "fidoa", 0}, |
2da12c60 NS |
514 | {mcfisa_a|mcfhwdiv, NULL, "isaa", 0}, |
515 | {mcfisa_a|mcfhwdiv|mcfisa_aa|mcfusp, NULL, "isaaplus", 0}, | |
516 | {mcfisa_a|mcfhwdiv|mcfisa_b|mcfusp, NULL, "isab", 0}, | |
9a2e615a | 517 | {mcfisa_a|mcfhwdiv|mcfisa_c|mcfusp, NULL, "isac", 0}, |
2da12c60 NS |
518 | {mcfisa_a|mcfhwdiv|mcfisa_b|mcfmac|mcfusp, mcf_ctrl, "cfv4", 0}, |
519 | {mcfisa_a|mcfhwdiv|mcfisa_b|mcfemac|mcfusp|cfloat, mcfv4e_ctrl, "cfv4e", 0}, | |
266abb8f NS |
520 | {0,0,NULL, 0} |
521 | }; | |
252b5132 | 522 | |
87298967 NS |
523 | /* For -mno-mac we want to turn off all types of mac. */ |
524 | static const unsigned no_mac = mcfmac | mcfemac; | |
525 | ||
0b2e31dc NS |
526 | /* Architecture extensions, here 'alias' -1 for m68k, +1 for cf and 0 |
527 | for either. */ | |
266abb8f NS |
528 | static const struct m68k_cpu m68k_extensions[] = |
529 | { | |
2da12c60 NS |
530 | {m68851, NULL, "68851", -1}, |
531 | {m68881, NULL, "68881", -1}, | |
532 | {m68881, NULL, "68882", -1}, | |
cf869cce | 533 | |
2da12c60 | 534 | {cfloat|m68881, NULL, "float", 0}, |
cf869cce | 535 | |
2da12c60 NS |
536 | {mcfhwdiv, NULL, "div", 1}, |
537 | {mcfusp, NULL, "usp", 1}, | |
87298967 | 538 | {mcfmac, (void *)&no_mac, "mac", 1}, |
2da12c60 | 539 | {mcfemac, NULL, "emac", 1}, |
cf869cce | 540 | |
2da12c60 | 541 | {0,NULL,NULL, 0} |
266abb8f NS |
542 | }; |
543 | ||
544 | /* Processor list */ | |
545 | static const struct m68k_cpu m68k_cpus[] = | |
546 | { | |
2da12c60 NS |
547 | {m68000, m68000_ctrl, "68000", 0}, |
548 | {m68000, m68000_ctrl, "68ec000", 1}, | |
549 | {m68000, m68000_ctrl, "68hc000", 1}, | |
550 | {m68000, m68000_ctrl, "68hc001", 1}, | |
551 | {m68000, m68000_ctrl, "68008", 1}, | |
552 | {m68000, m68000_ctrl, "68302", 1}, | |
553 | {m68000, m68000_ctrl, "68306", 1}, | |
554 | {m68000, m68000_ctrl, "68307", 1}, | |
555 | {m68000, m68000_ctrl, "68322", 1}, | |
556 | {m68000, m68000_ctrl, "68356", 1}, | |
557 | {m68010, m68010_ctrl, "68010", 0}, | |
558 | {m68020|m68881|m68851, m68020_ctrl, "68020", 0}, | |
559 | {m68020|m68881|m68851, m68020_ctrl, "68k", 1}, | |
560 | {m68020|m68881|m68851, m68020_ctrl, "68ec020", 1}, | |
561 | {m68030|m68881|m68851, m68020_ctrl, "68030", 0}, | |
562 | {m68030|m68881|m68851, m68020_ctrl, "68ec030", 1}, | |
563 | {m68040, m68040_ctrl, "68040", 0}, | |
564 | {m68040, m68040_ctrl, "68ec040", 1}, | |
565 | {m68060, m68060_ctrl, "68060", 0}, | |
566 | {m68060, m68060_ctrl, "68ec060", 1}, | |
cf869cce | 567 | |
2da12c60 NS |
568 | {cpu32|m68881, cpu32_ctrl, "cpu32", 0}, |
569 | {cpu32|m68881, cpu32_ctrl, "68330", 1}, | |
570 | {cpu32|m68881, cpu32_ctrl, "68331", 1}, | |
571 | {cpu32|m68881, cpu32_ctrl, "68332", 1}, | |
572 | {cpu32|m68881, cpu32_ctrl, "68333", 1}, | |
573 | {cpu32|m68881, cpu32_ctrl, "68334", 1}, | |
574 | {cpu32|m68881, cpu32_ctrl, "68336", 1}, | |
575 | {cpu32|m68881, cpu32_ctrl, "68340", 1}, | |
576 | {cpu32|m68881, cpu32_ctrl, "68341", 1}, | |
577 | {cpu32|m68881, cpu32_ctrl, "68349", 1}, | |
578 | {cpu32|m68881, cpu32_ctrl, "68360", 1}, | |
f75192f2 | 579 | |
87298967 NS |
580 | {mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51", 0}, |
581 | {mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51ac", 1}, | |
c1c30076 | 582 | {mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51ag", 1}, |
87298967 NS |
583 | {mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51cn", 1}, |
584 | {mcfisa_a|mcfisa_c|mcfusp|mcfmac, mcf51_ctrl, "51em", 1}, | |
c1c30076 NS |
585 | {mcfisa_a|mcfisa_c|mcfusp|mcfmac, mcf51_ctrl, "51je", 1}, |
586 | {mcfisa_a|mcfisa_c|mcfusp|mcfemac, mcf51_ctrl, "51jf", 1}, | |
587 | {mcfisa_a|mcfisa_c|mcfusp|mcfemac, mcf51_ctrl, "51jg", 1}, | |
87298967 | 588 | {mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51jm", 1}, |
c1c30076 | 589 | {mcfisa_a|mcfisa_c|mcfusp|mcfmac, mcf51_ctrl, "51mm", 1}, |
87298967 | 590 | {mcfisa_a|mcfisa_c|mcfusp, mcf51_ctrl, "51qe", 1}, |
c1c30076 | 591 | {mcfisa_a|mcfisa_c|mcfusp|mcfemac, mcf51_ctrl, "51qm", 1}, |
cf869cce | 592 | |
2da12c60 NS |
593 | {mcfisa_a, mcf_ctrl, "5200", 0}, |
594 | {mcfisa_a, mcf_ctrl, "5202", 1}, | |
595 | {mcfisa_a, mcf_ctrl, "5204", 1}, | |
78336706 | 596 | {mcfisa_a, mcf5206_ctrl, "5206", 1}, |
cf869cce | 597 | |
78336706 | 598 | {mcfisa_a|mcfhwdiv|mcfmac, mcf5206_ctrl, "5206e", 0}, |
cf869cce | 599 | |
2da12c60 NS |
600 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5208_ctrl, "5207", -1}, |
601 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5208_ctrl, "5208", 0}, | |
cf869cce | 602 | |
96e0bbcc NS |
603 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5210a_ctrl, "5210a", 0}, |
604 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5210a_ctrl, "5211a", 1}, | |
cf869cce | 605 | |
2da12c60 NS |
606 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5213_ctrl, "5211", -1}, |
607 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5213_ctrl, "5212", -1}, | |
608 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5213_ctrl, "5213", 0}, | |
cf869cce | 609 | |
2da12c60 NS |
610 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5216_ctrl, "5214", -1}, |
611 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5216_ctrl, "5216", 0}, | |
612 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5216_ctrl, "521x", 2}, | |
613 | ||
46203761 MK |
614 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5221x_ctrl, "5221x", 0}, |
615 | ||
d5be9593 NS |
616 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf52223_ctrl, "52221", -1}, |
617 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf52223_ctrl, "52223", 0}, | |
618 | ||
96e0bbcc NS |
619 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52235_ctrl, "52230", -1}, |
620 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52235_ctrl, "52233", -1}, | |
621 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52235_ctrl, "52234", -1}, | |
622 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52235_ctrl, "52235", 0}, | |
cf869cce | 623 | |
96e0bbcc NS |
624 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5225_ctrl, "5224", -1}, |
625 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfmac|mcfusp, mcf5225_ctrl, "5225", 0}, | |
cf869cce | 626 | |
87298967 NS |
627 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52277_ctrl, "52274", -1}, |
628 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52277_ctrl, "52277", 0}, | |
3739860c | 629 | |
2da12c60 NS |
630 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "5232", -1}, |
631 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "5233", -1}, | |
632 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "5234", -1}, | |
633 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "5235", -1}, | |
634 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5235_ctrl, "523x", 0}, | |
3739860c | 635 | |
2da12c60 NS |
636 | {mcfisa_a|mcfhwdiv|mcfemac, mcf5249_ctrl, "5249", 0}, |
637 | {mcfisa_a|mcfhwdiv|mcfemac, mcf5250_ctrl, "5250", 0}, | |
d5be9593 | 638 | {mcfisa_a|mcfhwdiv|mcfemac, mcf5253_ctrl, "5253", 0}, |
87298967 NS |
639 | |
640 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52259_ctrl, "52252", -1}, | |
641 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52259_ctrl, "52254", -1}, | |
642 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52259_ctrl, "52255", -1}, | |
643 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52259_ctrl, "52256", -1}, | |
644 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52259_ctrl, "52258", -1}, | |
645 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf52259_ctrl, "52259", 0}, | |
3739860c | 646 | |
2da12c60 NS |
647 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5271_ctrl, "5270", -1}, |
648 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5271_ctrl, "5271", 0}, | |
3739860c | 649 | |
2da12c60 | 650 | {mcfisa_a|mcfhwdiv|mcfmac, mcf5272_ctrl, "5272", 0}, |
3739860c | 651 | |
2da12c60 NS |
652 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5275_ctrl, "5274", -1}, |
653 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5275_ctrl, "5275", 0}, | |
3739860c | 654 | |
2da12c60 NS |
655 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "5280", -1}, |
656 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "5281", -1}, | |
657 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "5282", -1}, | |
658 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5282_ctrl, "528x", 0}, | |
3739860c | 659 | |
87298967 NS |
660 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53011", -1}, |
661 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53012", -1}, | |
662 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53013", -1}, | |
663 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53014", -1}, | |
664 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53015", -1}, | |
665 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53016", -1}, | |
666 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf53017_ctrl, "53017", 0}, | |
3739860c | 667 | |
78336706 | 668 | {mcfisa_a|mcfhwdiv|mcfmac, mcf5307_ctrl, "5307", 0}, |
3739860c | 669 | |
2da12c60 NS |
670 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "5327", -1}, |
671 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "5328", -1}, | |
672 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "5329", -1}, | |
673 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5329_ctrl, "532x", 0}, | |
3739860c | 674 | |
2da12c60 NS |
675 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5373_ctrl, "5372", -1}, |
676 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5373_ctrl, "5373", -1}, | |
677 | {mcfisa_a|mcfisa_aa|mcfhwdiv|mcfemac|mcfusp, mcf5373_ctrl, "537x", 0}, | |
3739860c | 678 | |
def8fc92 | 679 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfmac, mcf5407_ctrl, "5407",0}, |
9a2e615a | 680 | |
0d999f33 MK |
681 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54418_ctrl, "54410", -1}, |
682 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54418_ctrl, "54415", -1}, | |
683 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54418_ctrl, "54416", -1}, | |
684 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54418_ctrl, "54417", -1}, | |
685 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54418_ctrl, "54418", 0}, | |
686 | ||
9a2e615a NS |
687 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54450", -1}, |
688 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54451", -1}, | |
689 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54452", -1}, | |
690 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54453", -1}, | |
691 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54454", -1}, | |
692 | {mcfisa_a|mcfisa_c|mcfhwdiv|mcfemac|mcfusp, mcf54455_ctrl, "54455", 0}, | |
3739860c | 693 | |
a8e24a56 NS |
694 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5470", -1}, |
695 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5471", -1}, | |
696 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5472", -1}, | |
697 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5473", -1}, | |
698 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5474", -1}, | |
699 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "5475", -1}, | |
700 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5475_ctrl, "547x", 0}, | |
3739860c | 701 | |
a8e24a56 NS |
702 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5480", -1}, |
703 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5481", -1}, | |
704 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5482", -1}, | |
705 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5483", -1}, | |
706 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5484", -1}, | |
707 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "5485", -1}, | |
708 | {mcfisa_a|mcfisa_b|mcfhwdiv|mcfemac|mcfusp|cfloat, mcf5485_ctrl, "548x", 0}, | |
3739860c | 709 | |
b3768379 | 710 | {fido_a, fido_ctrl, "fidoa", 0}, |
3bdcfdf4 | 711 | {fido_a, fido_ctrl, "fido", 1}, |
9840d27e | 712 | |
2da12c60 | 713 | {0,NULL,NULL, 0} |
dc84e067 | 714 | }; |
252b5132 | 715 | |
266abb8f NS |
716 | static const struct m68k_cpu *m68k_lookup_cpu |
717 | (const char *, const struct m68k_cpu *, int, int *); | |
718 | static int m68k_set_arch (const char *, int, int); | |
719 | static int m68k_set_cpu (const char *, int, int); | |
720 | static int m68k_set_extension (const char *, int, int); | |
721 | static void m68k_init_arch (void); | |
252b5132 | 722 | |
151337e8 NC |
723 | /* This is the assembler relaxation table for m68k. m68k is a rich CISC |
724 | architecture and we have a lot of relaxation modes. */ | |
252b5132 | 725 | |
151337e8 NC |
726 | /* Macros used in the relaxation code. */ |
727 | #define TAB(x,y) (((x) << 2) + (y)) | |
728 | #define TABTYPE(x) ((x) >> 2) | |
729 | ||
730 | /* Relaxation states. */ | |
731 | #define BYTE 0 | |
732 | #define SHORT 1 | |
733 | #define LONG 2 | |
734 | #define SZ_UNDEF 3 | |
735 | ||
736 | /* Here are all the relaxation modes we support. First we can relax ordinary | |
737 | branches. On 68020 and higher and on CPU32 all branch instructions take | |
738 | three forms, so on these CPUs all branches always remain as such. When we | |
739 | have to expand to the LONG form on a 68000, though, we substitute an | |
740 | absolute jump instead. This is a direct replacement for unconditional | |
741 | branches and a branch over a jump for conditional branches. However, if the | |
742 | user requires PIC and disables this with --pcrel, we can only relax between | |
743 | BYTE and SHORT forms, punting if that isn't enough. This gives us four | |
744 | different relaxation modes for branches: */ | |
745 | ||
36759679 NC |
746 | #define BRANCHBWL 0 /* Branch byte, word, or long. */ |
747 | #define BRABSJUNC 1 /* Absolute jump for LONG, unconditional. */ | |
748 | #define BRABSJCOND 2 /* Absolute jump for LONG, conditional. */ | |
749 | #define BRANCHBW 3 /* Branch byte or word. */ | |
151337e8 NC |
750 | |
751 | /* We also relax coprocessor branches and DBcc's. All CPUs that support | |
752 | coprocessor branches support them in word and long forms, so we have only | |
753 | one relaxation mode for them. DBcc's are word only on all CPUs. We can | |
754 | relax them to the LONG form with a branch-around sequence. This sequence | |
755 | can use a long branch (if available) or an absolute jump (if acceptable). | |
756 | This gives us two relaxation modes. If long branches are not available and | |
757 | absolute jumps are not acceptable, we don't relax DBcc's. */ | |
758 | ||
36759679 NC |
759 | #define FBRANCH 4 /* Coprocessor branch. */ |
760 | #define DBCCLBR 5 /* DBcc relaxable with a long branch. */ | |
761 | #define DBCCABSJ 6 /* DBcc relaxable with an absolute jump. */ | |
151337e8 NC |
762 | |
763 | /* That's all for instruction relaxation. However, we also relax PC-relative | |
764 | operands. Specifically, we have three operand relaxation modes. On the | |
765 | 68000 PC-relative operands can only be 16-bit, but on 68020 and higher and | |
766 | on CPU32 they may be 16-bit or 32-bit. For the latter we relax between the | |
767 | two. Also PC+displacement+index operands in their simple form (with a non- | |
768 | suppressed index without memory indirection) are supported on all CPUs, but | |
769 | on the 68000 the displacement can be 8-bit only, whereas on 68020 and higher | |
770 | and on CPU32 we relax it to SHORT and LONG forms as well using the extended | |
771 | form of the PC+displacement+index operand. Finally, some absolute operands | |
772 | can be relaxed down to 16-bit PC-relative. */ | |
773 | ||
36759679 NC |
774 | #define PCREL1632 7 /* 16-bit or 32-bit PC-relative. */ |
775 | #define PCINDEX 8 /* PC + displacement + index. */ | |
776 | #define ABSTOPCREL 9 /* Absolute relax down to 16-bit PC-relative. */ | |
252b5132 | 777 | |
cac27205 NC |
778 | /* This relaxation is required for branches where there is no long |
779 | branch and we are in pcrel mode. We generate a bne/beq pair. */ | |
780 | #define BRANCHBWPL 10 /* Branch byte, word or pair of longs | |
781 | */ | |
782 | ||
252b5132 | 783 | /* Note that calls to frag_var need to specify the maximum expansion |
cac27205 NC |
784 | needed; this is currently 12 bytes for bne/beq pair. */ |
785 | #define FRAG_VAR_SIZE 12 | |
252b5132 RH |
786 | |
787 | /* The fields are: | |
788 | How far Forward this mode will reach: | |
789 | How far Backward this mode will reach: | |
790 | How many bytes this mode will add to the size of the frag | |
791 | Which mode to go to if the offset won't fit in this one | |
d7861ad2 AM |
792 | |
793 | Please check tc-m68k.h:md_prepare_relax_scan if changing this table. */ | |
252b5132 RH |
794 | relax_typeS md_relax_table[] = |
795 | { | |
ac62c346 AM |
796 | { 127, -128, 0, TAB (BRANCHBWL, SHORT) }, |
797 | { 32767, -32768, 2, TAB (BRANCHBWL, LONG) }, | |
798 | { 0, 0, 4, 0 }, | |
799 | { 1, 1, 0, 0 }, | |
800 | ||
801 | { 127, -128, 0, TAB (BRABSJUNC, SHORT) }, | |
802 | { 32767, -32768, 2, TAB (BRABSJUNC, LONG) }, | |
803 | { 0, 0, 4, 0 }, | |
804 | { 1, 1, 0, 0 }, | |
805 | ||
806 | { 127, -128, 0, TAB (BRABSJCOND, SHORT) }, | |
807 | { 32767, -32768, 2, TAB (BRABSJCOND, LONG) }, | |
808 | { 0, 0, 6, 0 }, | |
809 | { 1, 1, 0, 0 }, | |
810 | ||
811 | { 127, -128, 0, TAB (BRANCHBW, SHORT) }, | |
812 | { 0, 0, 2, 0 }, | |
813 | { 1, 1, 0, 0 }, | |
814 | { 1, 1, 0, 0 }, | |
815 | ||
36759679 | 816 | { 1, 1, 0, 0 }, /* FBRANCH doesn't come BYTE. */ |
ac62c346 AM |
817 | { 32767, -32768, 2, TAB (FBRANCH, LONG) }, |
818 | { 0, 0, 4, 0 }, | |
819 | { 1, 1, 0, 0 }, | |
820 | ||
36759679 | 821 | { 1, 1, 0, 0 }, /* DBCC doesn't come BYTE. */ |
ac62c346 AM |
822 | { 32767, -32768, 2, TAB (DBCCLBR, LONG) }, |
823 | { 0, 0, 10, 0 }, | |
824 | { 1, 1, 0, 0 }, | |
825 | ||
36759679 | 826 | { 1, 1, 0, 0 }, /* DBCC doesn't come BYTE. */ |
ac62c346 AM |
827 | { 32767, -32768, 2, TAB (DBCCABSJ, LONG) }, |
828 | { 0, 0, 10, 0 }, | |
829 | { 1, 1, 0, 0 }, | |
830 | ||
36759679 | 831 | { 1, 1, 0, 0 }, /* PCREL1632 doesn't come BYTE. */ |
ac62c346 AM |
832 | { 32767, -32768, 2, TAB (PCREL1632, LONG) }, |
833 | { 0, 0, 6, 0 }, | |
834 | { 1, 1, 0, 0 }, | |
835 | ||
836 | { 125, -130, 0, TAB (PCINDEX, SHORT) }, | |
837 | { 32765, -32770, 2, TAB (PCINDEX, LONG) }, | |
838 | { 0, 0, 4, 0 }, | |
839 | { 1, 1, 0, 0 }, | |
840 | ||
36759679 | 841 | { 1, 1, 0, 0 }, /* ABSTOPCREL doesn't come BYTE. */ |
ac62c346 AM |
842 | { 32767, -32768, 2, TAB (ABSTOPCREL, LONG) }, |
843 | { 0, 0, 4, 0 }, | |
844 | { 1, 1, 0, 0 }, | |
3739860c | 845 | |
cac27205 NC |
846 | { 127, -128, 0, TAB (BRANCHBWPL, SHORT) }, |
847 | { 32767, -32768, 2, TAB (BRANCHBWPL, LONG) }, | |
848 | { 0, 0, 10, 0 }, | |
849 | { 1, 1, 0, 0 }, | |
252b5132 RH |
850 | }; |
851 | ||
852 | /* These are the machine dependent pseudo-ops. These are included so | |
853 | the assembler can work on the output from the SUN C compiler, which | |
36759679 | 854 | generates these. */ |
252b5132 RH |
855 | |
856 | /* This table describes all the machine specific pseudo-ops the assembler | |
857 | has to support. The fields are: | |
858 | pseudo-op name without dot | |
859 | function to call to execute this pseudo-op | |
36759679 | 860 | Integer arg to pass to the function. */ |
252b5132 RH |
861 | const pseudo_typeS md_pseudo_table[] = |
862 | { | |
863 | {"data1", s_data1, 0}, | |
864 | {"data2", s_data2, 0}, | |
865 | {"bss", s_bss, 0}, | |
866 | {"even", s_even, 0}, | |
867 | {"skip", s_space, 0}, | |
868 | {"proc", s_proc, 0}, | |
252b5132 | 869 | {"align", s_align_bytes, 0}, |
252b5132 | 870 | {"swbeg", s_ignore, 0}, |
cf869cce | 871 | {"long", m68k_elf_cons, 4}, |
252b5132 RH |
872 | {"extend", float_cons, 'x'}, |
873 | {"ldouble", float_cons, 'x'}, | |
874 | ||
266abb8f NS |
875 | {"arch", s_m68k_arch, 0}, |
876 | {"cpu", s_m68k_cpu, 0}, | |
85f7484a | 877 | {"gnu_attribute", m68k_elf_gnu_attribute, 0}, |
266abb8f | 878 | |
252b5132 RH |
879 | /* The following pseudo-ops are supported for MRI compatibility. */ |
880 | {"chip", s_chip, 0}, | |
881 | {"comline", s_space, 1}, | |
882 | {"fopt", s_fopt, 0}, | |
883 | {"mask2", s_ignore, 0}, | |
884 | {"opt", s_opt, 0}, | |
885 | {"reg", s_reg, 0}, | |
886 | {"restore", s_restore, 0}, | |
887 | {"save", s_save, 0}, | |
888 | ||
889 | {"if", s_mri_if, 0}, | |
890 | {"if.b", s_mri_if, 'b'}, | |
891 | {"if.w", s_mri_if, 'w'}, | |
892 | {"if.l", s_mri_if, 'l'}, | |
893 | {"else", s_mri_else, 0}, | |
894 | {"else.s", s_mri_else, 's'}, | |
895 | {"else.l", s_mri_else, 'l'}, | |
896 | {"endi", s_mri_endi, 0}, | |
897 | {"break", s_mri_break, 0}, | |
898 | {"break.s", s_mri_break, 's'}, | |
899 | {"break.l", s_mri_break, 'l'}, | |
900 | {"next", s_mri_next, 0}, | |
901 | {"next.s", s_mri_next, 's'}, | |
902 | {"next.l", s_mri_next, 'l'}, | |
903 | {"for", s_mri_for, 0}, | |
904 | {"for.b", s_mri_for, 'b'}, | |
905 | {"for.w", s_mri_for, 'w'}, | |
906 | {"for.l", s_mri_for, 'l'}, | |
907 | {"endf", s_mri_endf, 0}, | |
908 | {"repeat", s_mri_repeat, 0}, | |
909 | {"until", s_mri_until, 0}, | |
910 | {"until.b", s_mri_until, 'b'}, | |
911 | {"until.w", s_mri_until, 'w'}, | |
912 | {"until.l", s_mri_until, 'l'}, | |
913 | {"while", s_mri_while, 0}, | |
914 | {"while.b", s_mri_while, 'b'}, | |
915 | {"while.w", s_mri_while, 'w'}, | |
916 | {"while.l", s_mri_while, 'l'}, | |
917 | {"endw", s_mri_endw, 0}, | |
918 | ||
919 | {0, 0, 0} | |
920 | }; | |
921 | ||
252b5132 | 922 | /* The mote pseudo ops are put into the opcode table, since they |
31302357 | 923 | don't start with a . they look like opcodes to gas. */ |
252b5132 | 924 | |
5a38dc70 | 925 | const pseudo_typeS mote_pseudo_table[] = |
252b5132 RH |
926 | { |
927 | ||
928 | {"dcl", cons, 4}, | |
929 | {"dc", cons, 2}, | |
930 | {"dcw", cons, 2}, | |
931 | {"dcb", cons, 1}, | |
932 | ||
933 | {"dsl", s_space, 4}, | |
934 | {"ds", s_space, 2}, | |
935 | {"dsw", s_space, 2}, | |
936 | {"dsb", s_space, 1}, | |
937 | ||
938 | {"xdef", s_globl, 0}, | |
252b5132 | 939 | {"align", s_align_bytes, 0}, |
252b5132 RH |
940 | {0, 0, 0} |
941 | }; | |
942 | ||
bd17c2c3 AM |
943 | /* Truncate and sign-extend at 32 bits, so that building on a 64-bit host |
944 | gives identical results to a 32-bit host. */ | |
945 | #define TRUNC(X) ((valueT) (X) & 0xffffffff) | |
946 | #define SEXT(X) ((TRUNC (X) ^ 0x80000000) - 0x80000000) | |
947 | ||
948 | #define issbyte(x) ((valueT) SEXT (x) + 0x80 < 0x100) | |
949 | #define isubyte(x) ((valueT) TRUNC (x) < 0x100) | |
950 | #define issword(x) ((valueT) SEXT (x) + 0x8000 < 0x10000) | |
951 | #define isuword(x) ((valueT) TRUNC (x) < 0x10000) | |
952 | ||
953 | #define isbyte(x) ((valueT) SEXT (x) + 0xff < 0x1ff) | |
954 | #define isword(x) ((valueT) SEXT (x) + 0xffff < 0x1ffff) | |
252b5132 RH |
955 | #define islong(x) (1) |
956 | ||
252b5132 RH |
957 | static char notend_table[256]; |
958 | static char alt_notend_table[256]; | |
959 | #define notend(s) \ | |
960 | (! (notend_table[(unsigned char) *s] \ | |
961 | || (*s == ':' \ | |
962 | && alt_notend_table[(unsigned char) s[1]]))) | |
963 | ||
252b5132 | 964 | |
c801568a AM |
965 | /* Return zero if the reference to SYMBOL from within the same segment may |
966 | be relaxed. */ | |
967 | ||
968 | /* On an ELF system, we can't relax an externally visible symbol, | |
969 | because it may be overridden by a shared library. However, if | |
970 | TARGET_OS is "elf", then we presume that we are assembling for an | |
971 | embedded system, in which case we don't have to worry about shared | |
972 | libraries, and we can relax any external sym. */ | |
973 | ||
974 | #define relaxable_symbol(symbol) \ | |
6358301e | 975 | (!((S_IS_EXTERNAL (symbol) && EXTERN_FORCE_RELOC) \ |
c801568a AM |
976 | || S_IS_WEAK (symbol))) |
977 | ||
252b5132 RH |
978 | /* Compute the relocation code for a fixup of SIZE bytes, using pc |
979 | relative relocation if PCREL is non-zero. PIC says whether a special | |
980 | pic relocation was requested. */ | |
981 | ||
252b5132 | 982 | static bfd_reloc_code_real_type |
31302357 | 983 | get_reloc_code (int size, int pcrel, enum pic_relocation pic) |
252b5132 RH |
984 | { |
985 | switch (pic) | |
986 | { | |
987 | case pic_got_pcrel: | |
988 | switch (size) | |
989 | { | |
990 | case 1: | |
991 | return BFD_RELOC_8_GOT_PCREL; | |
992 | case 2: | |
993 | return BFD_RELOC_16_GOT_PCREL; | |
994 | case 4: | |
995 | return BFD_RELOC_32_GOT_PCREL; | |
996 | } | |
997 | break; | |
998 | ||
999 | case pic_got_off: | |
1000 | switch (size) | |
1001 | { | |
1002 | case 1: | |
1003 | return BFD_RELOC_8_GOTOFF; | |
1004 | case 2: | |
1005 | return BFD_RELOC_16_GOTOFF; | |
1006 | case 4: | |
1007 | return BFD_RELOC_32_GOTOFF; | |
1008 | } | |
1009 | break; | |
1010 | ||
1011 | case pic_plt_pcrel: | |
1012 | switch (size) | |
1013 | { | |
1014 | case 1: | |
1015 | return BFD_RELOC_8_PLT_PCREL; | |
1016 | case 2: | |
1017 | return BFD_RELOC_16_PLT_PCREL; | |
1018 | case 4: | |
1019 | return BFD_RELOC_32_PLT_PCREL; | |
1020 | } | |
1021 | break; | |
1022 | ||
1023 | case pic_plt_off: | |
1024 | switch (size) | |
1025 | { | |
1026 | case 1: | |
1027 | return BFD_RELOC_8_PLTOFF; | |
1028 | case 2: | |
1029 | return BFD_RELOC_16_PLTOFF; | |
1030 | case 4: | |
1031 | return BFD_RELOC_32_PLTOFF; | |
1032 | } | |
1033 | break; | |
1034 | ||
cf869cce NC |
1035 | case pic_tls_gd: |
1036 | switch (size) | |
1037 | { | |
1038 | case 1: | |
1039 | return BFD_RELOC_68K_TLS_GD8; | |
1040 | case 2: | |
1041 | return BFD_RELOC_68K_TLS_GD16; | |
1042 | case 4: | |
1043 | return BFD_RELOC_68K_TLS_GD32; | |
1044 | } | |
1045 | break; | |
1046 | ||
1047 | case pic_tls_ldm: | |
1048 | switch (size) | |
1049 | { | |
1050 | case 1: | |
1051 | return BFD_RELOC_68K_TLS_LDM8; | |
1052 | case 2: | |
1053 | return BFD_RELOC_68K_TLS_LDM16; | |
1054 | case 4: | |
1055 | return BFD_RELOC_68K_TLS_LDM32; | |
1056 | } | |
1057 | break; | |
1058 | ||
1059 | case pic_tls_ldo: | |
1060 | switch (size) | |
1061 | { | |
1062 | case 1: | |
1063 | return BFD_RELOC_68K_TLS_LDO8; | |
1064 | case 2: | |
1065 | return BFD_RELOC_68K_TLS_LDO16; | |
1066 | case 4: | |
1067 | return BFD_RELOC_68K_TLS_LDO32; | |
1068 | } | |
1069 | break; | |
1070 | ||
1071 | case pic_tls_ie: | |
1072 | switch (size) | |
1073 | { | |
1074 | case 1: | |
1075 | return BFD_RELOC_68K_TLS_IE8; | |
1076 | case 2: | |
1077 | return BFD_RELOC_68K_TLS_IE16; | |
1078 | case 4: | |
1079 | return BFD_RELOC_68K_TLS_IE32; | |
1080 | } | |
1081 | break; | |
1082 | ||
1083 | case pic_tls_le: | |
1084 | switch (size) | |
1085 | { | |
1086 | case 1: | |
1087 | return BFD_RELOC_68K_TLS_LE8; | |
1088 | case 2: | |
1089 | return BFD_RELOC_68K_TLS_LE16; | |
1090 | case 4: | |
1091 | return BFD_RELOC_68K_TLS_LE32; | |
1092 | } | |
1093 | break; | |
1094 | ||
252b5132 RH |
1095 | case pic_none: |
1096 | if (pcrel) | |
1097 | { | |
1098 | switch (size) | |
1099 | { | |
1100 | case 1: | |
1101 | return BFD_RELOC_8_PCREL; | |
1102 | case 2: | |
1103 | return BFD_RELOC_16_PCREL; | |
1104 | case 4: | |
1105 | return BFD_RELOC_32_PCREL; | |
1106 | } | |
1107 | } | |
1108 | else | |
1109 | { | |
1110 | switch (size) | |
1111 | { | |
1112 | case 1: | |
1113 | return BFD_RELOC_8; | |
1114 | case 2: | |
1115 | return BFD_RELOC_16; | |
1116 | case 4: | |
1117 | return BFD_RELOC_32; | |
1118 | } | |
1119 | } | |
1120 | } | |
1121 | ||
1122 | if (pcrel) | |
1123 | { | |
1124 | if (pic == pic_none) | |
1125 | as_bad (_("Can not do %d byte pc-relative relocation"), size); | |
1126 | else | |
1127 | as_bad (_("Can not do %d byte pc-relative pic relocation"), size); | |
1128 | } | |
1129 | else | |
1130 | { | |
1131 | if (pic == pic_none) | |
1132 | as_bad (_("Can not do %d byte relocation"), size); | |
1133 | else | |
1134 | as_bad (_("Can not do %d byte pic relocation"), size); | |
1135 | } | |
1136 | ||
1137 | return BFD_RELOC_NONE; | |
1138 | } | |
1139 | ||
1140 | /* Here we decide which fixups can be adjusted to make them relative | |
1141 | to the beginning of the section instead of the symbol. Basically | |
1142 | we need to make sure that the dynamic relocations are done | |
1143 | correctly, so in some cases we force the original symbol to be | |
1144 | used. */ | |
1145 | int | |
31302357 | 1146 | tc_m68k_fix_adjustable (fixS *fixP) |
252b5132 | 1147 | { |
36759679 | 1148 | /* Adjust_reloc_syms doesn't know about the GOT. */ |
252b5132 RH |
1149 | switch (fixP->fx_r_type) |
1150 | { | |
1151 | case BFD_RELOC_8_GOT_PCREL: | |
1152 | case BFD_RELOC_16_GOT_PCREL: | |
1153 | case BFD_RELOC_32_GOT_PCREL: | |
1154 | case BFD_RELOC_8_GOTOFF: | |
1155 | case BFD_RELOC_16_GOTOFF: | |
1156 | case BFD_RELOC_32_GOTOFF: | |
1157 | case BFD_RELOC_8_PLT_PCREL: | |
1158 | case BFD_RELOC_16_PLT_PCREL: | |
1159 | case BFD_RELOC_32_PLT_PCREL: | |
1160 | case BFD_RELOC_8_PLTOFF: | |
1161 | case BFD_RELOC_16_PLTOFF: | |
1162 | case BFD_RELOC_32_PLTOFF: | |
cf869cce NC |
1163 | case BFD_RELOC_68K_TLS_GD32: |
1164 | case BFD_RELOC_68K_TLS_GD16: | |
1165 | case BFD_RELOC_68K_TLS_GD8: | |
1166 | case BFD_RELOC_68K_TLS_LDM32: | |
1167 | case BFD_RELOC_68K_TLS_LDM16: | |
1168 | case BFD_RELOC_68K_TLS_LDM8: | |
1169 | case BFD_RELOC_68K_TLS_LDO32: | |
1170 | case BFD_RELOC_68K_TLS_LDO16: | |
1171 | case BFD_RELOC_68K_TLS_LDO8: | |
1172 | case BFD_RELOC_68K_TLS_IE32: | |
1173 | case BFD_RELOC_68K_TLS_IE16: | |
1174 | case BFD_RELOC_68K_TLS_IE8: | |
1175 | case BFD_RELOC_68K_TLS_LE32: | |
1176 | case BFD_RELOC_68K_TLS_LE16: | |
1177 | case BFD_RELOC_68K_TLS_LE8: | |
252b5132 RH |
1178 | return 0; |
1179 | ||
1180 | case BFD_RELOC_VTABLE_INHERIT: | |
1181 | case BFD_RELOC_VTABLE_ENTRY: | |
1182 | return 0; | |
1183 | ||
1184 | default: | |
1185 | return 1; | |
1186 | } | |
1187 | } | |
1188 | ||
252b5132 | 1189 | arelent * |
31302357 | 1190 | tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixp) |
252b5132 RH |
1191 | { |
1192 | arelent *reloc; | |
1193 | bfd_reloc_code_real_type code; | |
1194 | ||
8ec6253e NC |
1195 | /* If the tcbit is set, then this was a fixup of a negative value |
1196 | that was never resolved. We do not have a reloc to handle this, | |
1197 | so just return. We assume that other code will have detected this | |
1198 | situation and produced a helpful error message, so we just tell the | |
1199 | user that the reloc cannot be produced. */ | |
252b5132 | 1200 | if (fixp->fx_tcbit) |
8ec6253e NC |
1201 | { |
1202 | if (fixp->fx_addsy) | |
b091f402 AM |
1203 | as_bad_where (fixp->fx_file, fixp->fx_line, |
1204 | _("Unable to produce reloc against symbol '%s'"), | |
1205 | S_GET_NAME (fixp->fx_addsy)); | |
8ec6253e NC |
1206 | return NULL; |
1207 | } | |
252b5132 RH |
1208 | |
1209 | if (fixp->fx_r_type != BFD_RELOC_NONE) | |
1210 | { | |
1211 | code = fixp->fx_r_type; | |
1212 | ||
1213 | /* Since DIFF_EXPR_OK is defined in tc-m68k.h, it is possible | |
1214 | that fixup_segment converted a non-PC relative reloc into a | |
1215 | PC relative reloc. In such a case, we need to convert the | |
1216 | reloc code. */ | |
1217 | if (fixp->fx_pcrel) | |
1218 | { | |
1219 | switch (code) | |
1220 | { | |
1221 | case BFD_RELOC_8: | |
1222 | code = BFD_RELOC_8_PCREL; | |
1223 | break; | |
1224 | case BFD_RELOC_16: | |
1225 | code = BFD_RELOC_16_PCREL; | |
1226 | break; | |
1227 | case BFD_RELOC_32: | |
1228 | code = BFD_RELOC_32_PCREL; | |
1229 | break; | |
1230 | case BFD_RELOC_8_PCREL: | |
1231 | case BFD_RELOC_16_PCREL: | |
1232 | case BFD_RELOC_32_PCREL: | |
1233 | case BFD_RELOC_8_GOT_PCREL: | |
1234 | case BFD_RELOC_16_GOT_PCREL: | |
1235 | case BFD_RELOC_32_GOT_PCREL: | |
1236 | case BFD_RELOC_8_GOTOFF: | |
1237 | case BFD_RELOC_16_GOTOFF: | |
1238 | case BFD_RELOC_32_GOTOFF: | |
1239 | case BFD_RELOC_8_PLT_PCREL: | |
1240 | case BFD_RELOC_16_PLT_PCREL: | |
1241 | case BFD_RELOC_32_PLT_PCREL: | |
1242 | case BFD_RELOC_8_PLTOFF: | |
1243 | case BFD_RELOC_16_PLTOFF: | |
1244 | case BFD_RELOC_32_PLTOFF: | |
cf869cce NC |
1245 | case BFD_RELOC_68K_TLS_GD32: |
1246 | case BFD_RELOC_68K_TLS_GD16: | |
1247 | case BFD_RELOC_68K_TLS_GD8: | |
1248 | case BFD_RELOC_68K_TLS_LDM32: | |
1249 | case BFD_RELOC_68K_TLS_LDM16: | |
1250 | case BFD_RELOC_68K_TLS_LDM8: | |
1251 | case BFD_RELOC_68K_TLS_LDO32: | |
1252 | case BFD_RELOC_68K_TLS_LDO16: | |
1253 | case BFD_RELOC_68K_TLS_LDO8: | |
1254 | case BFD_RELOC_68K_TLS_IE32: | |
1255 | case BFD_RELOC_68K_TLS_IE16: | |
1256 | case BFD_RELOC_68K_TLS_IE8: | |
1257 | case BFD_RELOC_68K_TLS_LE32: | |
1258 | case BFD_RELOC_68K_TLS_LE16: | |
1259 | case BFD_RELOC_68K_TLS_LE8: | |
252b5132 RH |
1260 | break; |
1261 | default: | |
1262 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
1263 | _("Cannot make %s relocation PC relative"), | |
1264 | bfd_get_reloc_code_name (code)); | |
1265 | } | |
1266 | } | |
1267 | } | |
1268 | else | |
1269 | { | |
1270 | #define F(SZ,PCREL) (((SZ) << 1) + (PCREL)) | |
1271 | switch (F (fixp->fx_size, fixp->fx_pcrel)) | |
1272 | { | |
1273 | #define MAP(SZ,PCREL,TYPE) case F(SZ,PCREL): code = (TYPE); break | |
1274 | MAP (1, 0, BFD_RELOC_8); | |
1275 | MAP (2, 0, BFD_RELOC_16); | |
1276 | MAP (4, 0, BFD_RELOC_32); | |
1277 | MAP (1, 1, BFD_RELOC_8_PCREL); | |
1278 | MAP (2, 1, BFD_RELOC_16_PCREL); | |
1279 | MAP (4, 1, BFD_RELOC_32_PCREL); | |
1280 | default: | |
1281 | abort (); | |
1282 | } | |
1283 | } | |
1284 | #undef F | |
1285 | #undef MAP | |
1286 | ||
add39d23 TS |
1287 | reloc = XNEW (arelent); |
1288 | reloc->sym_ptr_ptr = XNEW (asymbol *); | |
49309057 | 1289 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); |
252b5132 | 1290 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; |
252b5132 RH |
1291 | if (!fixp->fx_pcrel) |
1292 | reloc->addend = fixp->fx_addnumber; | |
1293 | else | |
1294 | reloc->addend = (section->vma | |
552c607f | 1295 | + fixp->fx_pcrel_adjust |
252b5132 RH |
1296 | + fixp->fx_addnumber |
1297 | + md_pcrel_from (fixp)); | |
252b5132 RH |
1298 | |
1299 | reloc->howto = bfd_reloc_type_lookup (stdoutput, code); | |
9c2799c2 | 1300 | gas_assert (reloc->howto != 0); |
252b5132 RH |
1301 | |
1302 | return reloc; | |
1303 | } | |
1304 | ||
252b5132 RH |
1305 | /* Handle of the OPCODE hash table. NULL means any use before |
1306 | m68k_ip_begin() will crash. */ | |
629310ab | 1307 | static htab_t op_hash; |
252b5132 RH |
1308 | \f |
1309 | /* Assemble an m68k instruction. */ | |
1310 | ||
1311 | static void | |
31302357 | 1312 | m68k_ip (char *instring) |
252b5132 | 1313 | { |
ed9e98c2 AM |
1314 | char *p; |
1315 | struct m68k_op *opP; | |
1316 | const struct m68k_incant *opcode; | |
1317 | const char *s; | |
1318 | int tmpreg = 0, baseo = 0, outro = 0, nextword; | |
252b5132 RH |
1319 | char *pdot, *pdotmove; |
1320 | enum m68k_size siz1, siz2; | |
1321 | char c; | |
1322 | int losing; | |
1323 | int opsfound; | |
03b13e59 | 1324 | struct m68k_op operands_backup[6]; |
252b5132 RH |
1325 | LITTLENUM_TYPE words[6]; |
1326 | LITTLENUM_TYPE *wordp; | |
1327 | unsigned long ok_arch = 0; | |
1328 | ||
1329 | if (*instring == ' ') | |
36759679 | 1330 | instring++; /* Skip leading whitespace. */ |
252b5132 RH |
1331 | |
1332 | /* Scan up to end of operation-code, which MUST end in end-of-string | |
92774660 | 1333 | or exactly 1 space. */ |
252b5132 RH |
1334 | pdot = 0; |
1335 | for (p = instring; *p != '\0'; p++) | |
1336 | { | |
1337 | if (*p == ' ') | |
1338 | break; | |
1339 | if (*p == '.') | |
1340 | pdot = p; | |
1341 | } | |
1342 | ||
1343 | if (p == instring) | |
1344 | { | |
1345 | the_ins.error = _("No operator"); | |
1346 | return; | |
1347 | } | |
1348 | ||
1349 | /* p now points to the end of the opcode name, probably whitespace. | |
1350 | Make sure the name is null terminated by clobbering the | |
1351 | whitespace, look it up in the hash table, then fix it back. | |
1352 | Remove a dot, first, since the opcode tables have none. */ | |
1353 | if (pdot != NULL) | |
1354 | { | |
1355 | for (pdotmove = pdot; pdotmove < p; pdotmove++) | |
1356 | *pdotmove = pdotmove[1]; | |
1357 | p--; | |
1358 | } | |
1359 | ||
1360 | c = *p; | |
1361 | *p = '\0'; | |
629310ab | 1362 | opcode = (const struct m68k_incant *) str_hash_find (op_hash, instring); |
252b5132 RH |
1363 | *p = c; |
1364 | ||
1365 | if (pdot != NULL) | |
1366 | { | |
1367 | for (pdotmove = p; pdotmove > pdot; pdotmove--) | |
1368 | *pdotmove = pdotmove[-1]; | |
1369 | *pdot = '.'; | |
1370 | ++p; | |
1371 | } | |
1372 | ||
1373 | if (opcode == NULL) | |
1374 | { | |
1375 | the_ins.error = _("Unknown operator"); | |
1376 | return; | |
1377 | } | |
1378 | ||
36759679 | 1379 | /* Found a legitimate opcode, start matching operands. */ |
252b5132 RH |
1380 | while (*p == ' ') |
1381 | ++p; | |
1382 | ||
1383 | if (opcode->m_operands == 0) | |
1384 | { | |
1385 | char *old = input_line_pointer; | |
1386 | *old = '\n'; | |
1387 | input_line_pointer = p; | |
2b0f3761 | 1388 | /* Ahh - it's a motorola style pseudo op. */ |
252b5132 RH |
1389 | mote_pseudo_table[opcode->m_opnum].poc_handler |
1390 | (mote_pseudo_table[opcode->m_opnum].poc_val); | |
1391 | input_line_pointer = old; | |
1392 | *old = 0; | |
1393 | ||
1394 | return; | |
1395 | } | |
1396 | ||
1397 | if (flag_mri && opcode->m_opnum == 0) | |
1398 | { | |
1399 | /* In MRI mode, random garbage is allowed after an instruction | |
1400 | which accepts no operands. */ | |
1401 | the_ins.args = opcode->m_operands; | |
1402 | the_ins.numargs = opcode->m_opnum; | |
1403 | the_ins.numo = opcode->m_codenum; | |
1404 | the_ins.opcode[0] = getone (opcode); | |
1405 | the_ins.opcode[1] = gettwo (opcode); | |
1406 | return; | |
1407 | } | |
1408 | ||
1409 | for (opP = &the_ins.operands[0]; *p; opP++) | |
1410 | { | |
1411 | p = crack_operand (p, opP); | |
1412 | ||
1413 | if (opP->error) | |
1414 | { | |
1415 | the_ins.error = opP->error; | |
1416 | return; | |
1417 | } | |
1418 | } | |
1419 | ||
1420 | opsfound = opP - &the_ins.operands[0]; | |
1421 | ||
1422 | /* This ugly hack is to support the floating pt opcodes in their | |
33eaf5de | 1423 | standard form. Essentially, we fake a first entry of type COP#1 */ |
252b5132 RH |
1424 | if (opcode->m_operands[0] == 'I') |
1425 | { | |
1426 | int n; | |
1427 | ||
1428 | for (n = opsfound; n > 0; --n) | |
1429 | the_ins.operands[n] = the_ins.operands[n - 1]; | |
1430 | ||
31302357 | 1431 | memset (&the_ins.operands[0], '\0', sizeof (the_ins.operands[0])); |
252b5132 RH |
1432 | the_ins.operands[0].mode = CONTROL; |
1433 | the_ins.operands[0].reg = m68k_float_copnum; | |
1434 | opsfound++; | |
1435 | } | |
1436 | ||
36759679 | 1437 | /* We've got the operands. Find an opcode that'll accept them. */ |
252b5132 RH |
1438 | for (losing = 0;;) |
1439 | { | |
1440 | /* If we didn't get the right number of ops, or we have no | |
92774660 | 1441 | common model with this pattern then reject this pattern. */ |
252b5132 RH |
1442 | |
1443 | ok_arch |= opcode->m_arch; | |
1444 | if (opsfound != opcode->m_opnum | |
1445 | || ((opcode->m_arch & current_architecture) == 0)) | |
1446 | ++losing; | |
1447 | else | |
1448 | { | |
03b13e59 NC |
1449 | int i; |
1450 | ||
1451 | /* Make a copy of the operands of this insn so that | |
1452 | we can modify them safely, should we want to. */ | |
9c2799c2 | 1453 | gas_assert (opsfound <= (int) ARRAY_SIZE (operands_backup)); |
03b13e59 NC |
1454 | for (i = 0; i < opsfound; i++) |
1455 | operands_backup[i] = the_ins.operands[i]; | |
1456 | ||
1457 | for (s = opcode->m_operands, opP = &operands_backup[0]; | |
252b5132 RH |
1458 | *s && !losing; |
1459 | s += 2, opP++) | |
1460 | { | |
1461 | /* Warning: this switch is huge! */ | |
1462 | /* I've tried to organize the cases into this order: | |
1463 | non-alpha first, then alpha by letter. Lower-case | |
1464 | goes directly before uppercase counterpart. */ | |
1465 | /* Code with multiple case ...: gets sorted by the lowest | |
1466 | case ... it belongs to. I hope this makes sense. */ | |
1467 | switch (*s) | |
1468 | { | |
1469 | case '!': | |
1470 | switch (opP->mode) | |
1471 | { | |
1472 | case IMMED: | |
1473 | case DREG: | |
1474 | case AREG: | |
1475 | case FPREG: | |
1476 | case CONTROL: | |
1477 | case AINC: | |
1478 | case ADEC: | |
1479 | case REGLST: | |
1480 | losing++; | |
1481 | break; | |
1482 | default: | |
1483 | break; | |
1484 | } | |
1485 | break; | |
1486 | ||
1487 | case '<': | |
1488 | switch (opP->mode) | |
1489 | { | |
1490 | case DREG: | |
1491 | case AREG: | |
1492 | case FPREG: | |
1493 | case CONTROL: | |
1494 | case IMMED: | |
1495 | case ADEC: | |
1496 | case REGLST: | |
1497 | losing++; | |
1498 | break; | |
1499 | default: | |
1500 | break; | |
1501 | } | |
1502 | break; | |
1503 | ||
1504 | case '>': | |
1505 | switch (opP->mode) | |
1506 | { | |
1507 | case DREG: | |
1508 | case AREG: | |
1509 | case FPREG: | |
1510 | case CONTROL: | |
1511 | case IMMED: | |
1512 | case AINC: | |
1513 | case REGLST: | |
1514 | losing++; | |
1515 | break; | |
1516 | case ABSL: | |
1517 | break; | |
1518 | default: | |
1519 | if (opP->reg == PC | |
1520 | || opP->reg == ZPC) | |
1521 | losing++; | |
1522 | break; | |
1523 | } | |
1524 | break; | |
1525 | ||
1526 | case 'm': | |
1527 | switch (opP->mode) | |
1528 | { | |
1529 | case DREG: | |
1530 | case AREG: | |
1531 | case AINDR: | |
1532 | case AINC: | |
1533 | case ADEC: | |
1534 | break; | |
1535 | default: | |
1536 | losing++; | |
1537 | } | |
8a104df9 | 1538 | break; |
252b5132 RH |
1539 | |
1540 | case 'n': | |
1541 | switch (opP->mode) | |
1542 | { | |
1543 | case DISP: | |
1544 | break; | |
1545 | default: | |
1546 | losing++; | |
1547 | } | |
8a104df9 | 1548 | break; |
252b5132 RH |
1549 | |
1550 | case 'o': | |
1551 | switch (opP->mode) | |
1552 | { | |
1553 | case BASE: | |
1554 | case ABSL: | |
1555 | case IMMED: | |
1556 | break; | |
1557 | default: | |
1558 | losing++; | |
1559 | } | |
8a104df9 | 1560 | break; |
252b5132 RH |
1561 | |
1562 | case 'p': | |
1563 | switch (opP->mode) | |
1564 | { | |
1565 | case DREG: | |
1566 | case AREG: | |
1567 | case AINDR: | |
1568 | case AINC: | |
1569 | case ADEC: | |
1570 | break; | |
1571 | case DISP: | |
1572 | if (opP->reg == PC || opP->reg == ZPC) | |
8a104df9 | 1573 | losing++; |
252b5132 RH |
1574 | break; |
1575 | default: | |
1576 | losing++; | |
1577 | } | |
8a104df9 | 1578 | break; |
252b5132 RH |
1579 | |
1580 | case 'q': | |
1581 | switch (opP->mode) | |
1582 | { | |
1583 | case DREG: | |
1584 | case AINDR: | |
1585 | case AINC: | |
1586 | case ADEC: | |
1587 | break; | |
1588 | case DISP: | |
1589 | if (opP->reg == PC || opP->reg == ZPC) | |
8a104df9 | 1590 | losing++; |
252b5132 RH |
1591 | break; |
1592 | default: | |
1593 | losing++; | |
1594 | break; | |
1595 | } | |
8a104df9 | 1596 | break; |
252b5132 RH |
1597 | |
1598 | case 'v': | |
1599 | switch (opP->mode) | |
1600 | { | |
1601 | case DREG: | |
1602 | case AINDR: | |
1603 | case AINC: | |
1604 | case ADEC: | |
1605 | case ABSL: | |
1606 | break; | |
1607 | case DISP: | |
1608 | if (opP->reg == PC || opP->reg == ZPC) | |
8a104df9 | 1609 | losing++; |
252b5132 RH |
1610 | break; |
1611 | default: | |
1612 | losing++; | |
1613 | break; | |
1614 | } | |
1615 | break; | |
1616 | ||
1617 | case '#': | |
1618 | if (opP->mode != IMMED) | |
1619 | losing++; | |
1620 | else if (s[1] == 'b' | |
1621 | && ! isvar (&opP->disp) | |
1622 | && (opP->disp.exp.X_op != O_constant | |
1623 | || ! isbyte (opP->disp.exp.X_add_number))) | |
1624 | losing++; | |
1625 | else if (s[1] == 'B' | |
1626 | && ! isvar (&opP->disp) | |
1627 | && (opP->disp.exp.X_op != O_constant | |
1628 | || ! issbyte (opP->disp.exp.X_add_number))) | |
1629 | losing++; | |
1630 | else if (s[1] == 'w' | |
1631 | && ! isvar (&opP->disp) | |
1632 | && (opP->disp.exp.X_op != O_constant | |
1633 | || ! isword (opP->disp.exp.X_add_number))) | |
1634 | losing++; | |
1635 | else if (s[1] == 'W' | |
1636 | && ! isvar (&opP->disp) | |
1637 | && (opP->disp.exp.X_op != O_constant | |
1638 | || ! issword (opP->disp.exp.X_add_number))) | |
1639 | losing++; | |
1640 | break; | |
1641 | ||
1642 | case '^': | |
1643 | case 'T': | |
1644 | if (opP->mode != IMMED) | |
1645 | losing++; | |
1646 | break; | |
1647 | ||
1648 | case '$': | |
1649 | if (opP->mode == AREG | |
1650 | || opP->mode == CONTROL | |
1651 | || opP->mode == FPREG | |
1652 | || opP->mode == IMMED | |
1653 | || opP->mode == REGLST | |
1654 | || (opP->mode != ABSL | |
1655 | && (opP->reg == PC | |
1656 | || opP->reg == ZPC))) | |
1657 | losing++; | |
1658 | break; | |
1659 | ||
1660 | case '%': | |
1661 | if (opP->mode == CONTROL | |
1662 | || opP->mode == FPREG | |
1663 | || opP->mode == REGLST | |
1664 | || opP->mode == IMMED | |
1665 | || (opP->mode != ABSL | |
1666 | && (opP->reg == PC | |
1667 | || opP->reg == ZPC))) | |
1668 | losing++; | |
1669 | break; | |
1670 | ||
1671 | case '&': | |
1672 | switch (opP->mode) | |
1673 | { | |
1674 | case DREG: | |
1675 | case AREG: | |
1676 | case FPREG: | |
1677 | case CONTROL: | |
1678 | case IMMED: | |
1679 | case AINC: | |
1680 | case ADEC: | |
1681 | case REGLST: | |
1682 | losing++; | |
1683 | break; | |
1684 | case ABSL: | |
1685 | break; | |
1686 | default: | |
1687 | if (opP->reg == PC | |
1688 | || opP->reg == ZPC) | |
1689 | losing++; | |
1690 | break; | |
1691 | } | |
1692 | break; | |
1693 | ||
1694 | case '*': | |
1695 | if (opP->mode == CONTROL | |
1696 | || opP->mode == FPREG | |
1697 | || opP->mode == REGLST) | |
1698 | losing++; | |
1699 | break; | |
1700 | ||
1701 | case '+': | |
1702 | if (opP->mode != AINC) | |
1703 | losing++; | |
1704 | break; | |
1705 | ||
1706 | case '-': | |
1707 | if (opP->mode != ADEC) | |
1708 | losing++; | |
1709 | break; | |
1710 | ||
1711 | case '/': | |
1712 | switch (opP->mode) | |
1713 | { | |
1714 | case AREG: | |
1715 | case CONTROL: | |
1716 | case FPREG: | |
1717 | case AINC: | |
1718 | case ADEC: | |
1719 | case IMMED: | |
1720 | case REGLST: | |
1721 | losing++; | |
1722 | break; | |
1723 | default: | |
1724 | break; | |
1725 | } | |
1726 | break; | |
1727 | ||
1728 | case ';': | |
1729 | switch (opP->mode) | |
1730 | { | |
1731 | case AREG: | |
1732 | case CONTROL: | |
1733 | case FPREG: | |
1734 | case REGLST: | |
1735 | losing++; | |
1736 | break; | |
1737 | default: | |
1738 | break; | |
1739 | } | |
1740 | break; | |
1741 | ||
1742 | case '?': | |
1743 | switch (opP->mode) | |
1744 | { | |
1745 | case AREG: | |
1746 | case CONTROL: | |
1747 | case FPREG: | |
1748 | case AINC: | |
1749 | case ADEC: | |
1750 | case IMMED: | |
1751 | case REGLST: | |
1752 | losing++; | |
1753 | break; | |
1754 | case ABSL: | |
1755 | break; | |
1756 | default: | |
1757 | if (opP->reg == PC || opP->reg == ZPC) | |
1758 | losing++; | |
1759 | break; | |
1760 | } | |
1761 | break; | |
1762 | ||
1763 | case '@': | |
1764 | switch (opP->mode) | |
1765 | { | |
1766 | case AREG: | |
1767 | case CONTROL: | |
1768 | case FPREG: | |
1769 | case IMMED: | |
1770 | case REGLST: | |
1771 | losing++; | |
1772 | break; | |
1773 | default: | |
1774 | break; | |
1775 | } | |
1776 | break; | |
1777 | ||
1778 | case '~': /* For now! (JF FOO is this right?) */ | |
1779 | switch (opP->mode) | |
1780 | { | |
1781 | case DREG: | |
1782 | case AREG: | |
1783 | case CONTROL: | |
1784 | case FPREG: | |
1785 | case IMMED: | |
1786 | case REGLST: | |
1787 | losing++; | |
1788 | break; | |
1789 | case ABSL: | |
1790 | break; | |
1791 | default: | |
1792 | if (opP->reg == PC | |
1793 | || opP->reg == ZPC) | |
1794 | losing++; | |
1795 | break; | |
1796 | } | |
1797 | break; | |
1798 | ||
1799 | case '3': | |
1800 | if (opP->mode != CONTROL | |
1801 | || (opP->reg != TT0 && opP->reg != TT1)) | |
1802 | losing++; | |
1803 | break; | |
1804 | ||
1805 | case 'A': | |
1806 | if (opP->mode != AREG) | |
1807 | losing++; | |
1808 | break; | |
1809 | ||
1810 | case 'a': | |
1811 | if (opP->mode != AINDR) | |
1812 | ++losing; | |
1813 | break; | |
1814 | ||
fd99574b NC |
1815 | case '4': |
1816 | if (opP->mode != AINDR && opP->mode != AINC && opP->mode != ADEC | |
1817 | && (opP->mode != DISP | |
1818 | || opP->reg < ADDR0 | |
1819 | || opP->reg > ADDR7)) | |
1820 | ++losing; | |
1821 | break; | |
1822 | ||
252b5132 RH |
1823 | case 'B': /* FOO */ |
1824 | if (opP->mode != ABSL | |
1825 | || (flag_long_jumps | |
d34049e8 | 1826 | && startswith (instring, "jbsr"))) |
252b5132 RH |
1827 | losing++; |
1828 | break; | |
1829 | ||
3e602632 NC |
1830 | case 'b': |
1831 | switch (opP->mode) | |
1832 | { | |
1833 | case IMMED: | |
1834 | case ABSL: | |
1835 | case AREG: | |
1836 | case FPREG: | |
1837 | case CONTROL: | |
1838 | case POST: | |
1839 | case PRE: | |
1840 | case REGLST: | |
1841 | losing++; | |
1842 | break; | |
1843 | default: | |
1844 | break; | |
1845 | } | |
1846 | break; | |
1847 | ||
252b5132 RH |
1848 | case 'C': |
1849 | if (opP->mode != CONTROL || opP->reg != CCR) | |
1850 | losing++; | |
1851 | break; | |
1852 | ||
1853 | case 'd': | |
1854 | if (opP->mode != DISP | |
1855 | || opP->reg < ADDR0 | |
1856 | || opP->reg > ADDR7) | |
1857 | losing++; | |
1858 | break; | |
1859 | ||
1860 | case 'D': | |
1861 | if (opP->mode != DREG) | |
1862 | losing++; | |
1863 | break; | |
1864 | ||
6da466c7 ILT |
1865 | case 'E': |
1866 | if (opP->reg != ACC) | |
1867 | losing++; | |
1868 | break; | |
1869 | ||
fd99574b NC |
1870 | case 'e': |
1871 | if (opP->reg != ACC && opP->reg != ACC1 | |
1872 | && opP->reg != ACC2 && opP->reg != ACC3) | |
1873 | losing++; | |
1874 | break; | |
1875 | ||
252b5132 RH |
1876 | case 'F': |
1877 | if (opP->mode != FPREG) | |
1878 | losing++; | |
1879 | break; | |
1880 | ||
6da466c7 ILT |
1881 | case 'G': |
1882 | if (opP->reg != MACSR) | |
1883 | losing++; | |
1884 | break; | |
1885 | ||
fd99574b NC |
1886 | case 'g': |
1887 | if (opP->reg != ACCEXT01 && opP->reg != ACCEXT23) | |
1888 | losing++; | |
1889 | break; | |
1890 | ||
6da466c7 ILT |
1891 | case 'H': |
1892 | if (opP->reg != MASK) | |
1893 | losing++; | |
1894 | break; | |
1895 | ||
252b5132 RH |
1896 | case 'I': |
1897 | if (opP->mode != CONTROL | |
1898 | || opP->reg < COP0 | |
1899 | || opP->reg > COP7) | |
1900 | losing++; | |
1901 | break; | |
1902 | ||
fd99574b NC |
1903 | case 'i': |
1904 | if (opP->mode != LSH && opP->mode != RSH) | |
1905 | losing++; | |
1906 | break; | |
1907 | ||
252b5132 RH |
1908 | case 'J': |
1909 | if (opP->mode != CONTROL | |
1910 | || opP->reg < USP | |
0b2e31dc NS |
1911 | || opP->reg > last_movec_reg |
1912 | || !control_regs) | |
252b5132 RH |
1913 | losing++; |
1914 | else | |
1915 | { | |
1916 | const enum m68k_register *rp; | |
3739860c | 1917 | |
252b5132 | 1918 | for (rp = control_regs; *rp; rp++) |
78336706 NS |
1919 | { |
1920 | if (*rp == opP->reg) | |
1921 | break; | |
1922 | /* In most CPUs RAMBAR refers to control reg | |
1923 | c05 (RAMBAR1), but a few CPUs have it | |
1924 | refer to c04 (RAMBAR0). */ | |
1925 | else if (*rp == RAMBAR_ALT && opP->reg == RAMBAR) | |
1926 | { | |
1927 | opP->reg = RAMBAR_ALT; | |
1928 | break; | |
1929 | } | |
1930 | } | |
252b5132 RH |
1931 | if (*rp == 0) |
1932 | losing++; | |
1933 | } | |
1934 | break; | |
1935 | ||
1936 | case 'k': | |
1937 | if (opP->mode != IMMED) | |
1938 | losing++; | |
1939 | break; | |
1940 | ||
1941 | case 'l': | |
1942 | case 'L': | |
1943 | if (opP->mode == DREG | |
1944 | || opP->mode == AREG | |
1945 | || opP->mode == FPREG) | |
1946 | { | |
1947 | if (s[1] == '8') | |
1948 | losing++; | |
1949 | else | |
1950 | { | |
1951 | switch (opP->mode) | |
1952 | { | |
1953 | case DREG: | |
1954 | opP->mask = 1 << (opP->reg - DATA0); | |
1955 | break; | |
1956 | case AREG: | |
1957 | opP->mask = 1 << (opP->reg - ADDR0 + 8); | |
1958 | break; | |
1959 | case FPREG: | |
1960 | opP->mask = 1 << (opP->reg - FP0 + 16); | |
1961 | break; | |
1962 | default: | |
1963 | abort (); | |
1964 | } | |
1965 | opP->mode = REGLST; | |
1966 | } | |
1967 | } | |
1968 | else if (opP->mode == CONTROL) | |
1969 | { | |
1970 | if (s[1] != '8') | |
1971 | losing++; | |
1972 | else | |
1973 | { | |
1974 | switch (opP->reg) | |
1975 | { | |
1976 | case FPI: | |
1977 | opP->mask = 1 << 24; | |
1978 | break; | |
1979 | case FPS: | |
1980 | opP->mask = 1 << 25; | |
1981 | break; | |
1982 | case FPC: | |
1983 | opP->mask = 1 << 26; | |
1984 | break; | |
1985 | default: | |
1986 | losing++; | |
1987 | break; | |
1988 | } | |
1989 | opP->mode = REGLST; | |
1990 | } | |
1991 | } | |
1992 | else if (opP->mode != REGLST) | |
1993 | losing++; | |
1994 | else if (s[1] == '8' && (opP->mask & 0x0ffffff) != 0) | |
1995 | losing++; | |
1996 | else if (s[1] == '3' && (opP->mask & 0x7000000) != 0) | |
1997 | losing++; | |
1998 | break; | |
1999 | ||
2000 | case 'M': | |
2001 | if (opP->mode != IMMED) | |
2002 | losing++; | |
2003 | else if (opP->disp.exp.X_op != O_constant | |
2004 | || ! issbyte (opP->disp.exp.X_add_number)) | |
2005 | losing++; | |
2006 | else if (! m68k_quick | |
2007 | && instring[3] != 'q' | |
2008 | && instring[4] != 'q') | |
2009 | losing++; | |
2010 | break; | |
2011 | ||
2012 | case 'O': | |
2013 | if (opP->mode != DREG | |
2014 | && opP->mode != IMMED | |
2015 | && opP->mode != ABSL) | |
2016 | losing++; | |
2017 | break; | |
2018 | ||
2019 | case 'Q': | |
2020 | if (opP->mode != IMMED) | |
2021 | losing++; | |
2022 | else if (opP->disp.exp.X_op != O_constant | |
bd17c2c3 | 2023 | || TRUNC (opP->disp.exp.X_add_number) - 1 > 7) |
252b5132 RH |
2024 | losing++; |
2025 | else if (! m68k_quick | |
d34049e8 ML |
2026 | && (startswith (instring, "add") |
2027 | || startswith (instring, "sub")) | |
252b5132 RH |
2028 | && instring[3] != 'q') |
2029 | losing++; | |
2030 | break; | |
2031 | ||
2032 | case 'R': | |
2033 | if (opP->mode != DREG && opP->mode != AREG) | |
2034 | losing++; | |
2035 | break; | |
2036 | ||
2037 | case 'r': | |
2038 | if (opP->mode != AINDR | |
2039 | && (opP->mode != BASE | |
2040 | || (opP->reg != 0 | |
2041 | && opP->reg != ZADDR0) | |
2042 | || opP->disp.exp.X_op != O_absent | |
2043 | || ((opP->index.reg < DATA0 | |
2044 | || opP->index.reg > DATA7) | |
2045 | && (opP->index.reg < ADDR0 | |
2046 | || opP->index.reg > ADDR7)) | |
2047 | || opP->index.size != SIZE_UNSPEC | |
2048 | || opP->index.scale != 1)) | |
2049 | losing++; | |
2050 | break; | |
2051 | ||
2052 | case 's': | |
2053 | if (opP->mode != CONTROL | |
2054 | || ! (opP->reg == FPI | |
2055 | || opP->reg == FPS | |
2056 | || opP->reg == FPC)) | |
2057 | losing++; | |
2058 | break; | |
2059 | ||
2060 | case 'S': | |
2061 | if (opP->mode != CONTROL || opP->reg != SR) | |
2062 | losing++; | |
2063 | break; | |
2064 | ||
2065 | case 't': | |
2066 | if (opP->mode != IMMED) | |
2067 | losing++; | |
2068 | else if (opP->disp.exp.X_op != O_constant | |
bd17c2c3 | 2069 | || TRUNC (opP->disp.exp.X_add_number) > 7) |
252b5132 RH |
2070 | losing++; |
2071 | break; | |
2072 | ||
2073 | case 'U': | |
2074 | if (opP->mode != CONTROL || opP->reg != USP) | |
2075 | losing++; | |
2076 | break; | |
2077 | ||
3e602632 NC |
2078 | case 'x': |
2079 | if (opP->mode != IMMED) | |
2080 | losing++; | |
2081 | else if (opP->disp.exp.X_op != O_constant | |
bd17c2c3 AM |
2082 | || (TRUNC (opP->disp.exp.X_add_number) != 0xffffffff |
2083 | && TRUNC (opP->disp.exp.X_add_number) - 1 > 6)) | |
3e602632 NC |
2084 | losing++; |
2085 | break; | |
2086 | ||
afa2158f NS |
2087 | case 'j': |
2088 | if (opP->mode != IMMED) | |
2089 | losing++; | |
2090 | else if (opP->disp.exp.X_op != O_constant | |
2091 | || TRUNC (opP->disp.exp.X_add_number) - 1 > 7) | |
2092 | losing++; | |
2093 | break; | |
2094 | ||
2095 | case 'K': | |
2096 | if (opP->mode != IMMED) | |
2097 | losing++; | |
2098 | else if (opP->disp.exp.X_op != O_constant | |
2099 | || TRUNC (opP->disp.exp.X_add_number) > 511) | |
2100 | losing++; | |
2101 | break; | |
2102 | ||
252b5132 RH |
2103 | /* JF these are out of order. We could put them |
2104 | in order if we were willing to put up with | |
2105 | bunches of #ifdef m68851s in the code. | |
2106 | ||
2107 | Don't forget that you need these operands | |
2108 | to use 68030 MMU instructions. */ | |
2109 | #ifndef NO_68851 | |
36759679 | 2110 | /* Memory addressing mode used by pflushr. */ |
252b5132 RH |
2111 | case '|': |
2112 | if (opP->mode == CONTROL | |
2113 | || opP->mode == FPREG | |
2114 | || opP->mode == DREG | |
2115 | || opP->mode == AREG | |
2116 | || opP->mode == REGLST) | |
2117 | losing++; | |
2118 | /* We should accept immediate operands, but they | |
2119 | supposedly have to be quad word, and we don't | |
2120 | handle that. I would like to see what a Motorola | |
2121 | assembler does before doing something here. */ | |
2122 | if (opP->mode == IMMED) | |
2123 | losing++; | |
2124 | break; | |
2125 | ||
2126 | case 'f': | |
2127 | if (opP->mode != CONTROL | |
2128 | || (opP->reg != SFC && opP->reg != DFC)) | |
2129 | losing++; | |
2130 | break; | |
2131 | ||
2132 | case '0': | |
2133 | if (opP->mode != CONTROL || opP->reg != TC) | |
2134 | losing++; | |
2135 | break; | |
2136 | ||
2137 | case '1': | |
2138 | if (opP->mode != CONTROL || opP->reg != AC) | |
2139 | losing++; | |
2140 | break; | |
2141 | ||
2142 | case '2': | |
2143 | if (opP->mode != CONTROL | |
2144 | || (opP->reg != CAL | |
2145 | && opP->reg != VAL | |
2146 | && opP->reg != SCC)) | |
2147 | losing++; | |
2148 | break; | |
2149 | ||
2150 | case 'V': | |
2151 | if (opP->mode != CONTROL | |
2152 | || opP->reg != VAL) | |
2153 | losing++; | |
2154 | break; | |
2155 | ||
2156 | case 'W': | |
2157 | if (opP->mode != CONTROL | |
2158 | || (opP->reg != DRP | |
2159 | && opP->reg != SRP | |
2160 | && opP->reg != CRP)) | |
2161 | losing++; | |
2162 | break; | |
2163 | ||
3e602632 NC |
2164 | case 'w': |
2165 | switch (opP->mode) | |
2166 | { | |
2167 | case IMMED: | |
2168 | case ABSL: | |
2169 | case AREG: | |
2170 | case DREG: | |
2171 | case FPREG: | |
2172 | case CONTROL: | |
2173 | case POST: | |
2174 | case PRE: | |
2175 | case REGLST: | |
2176 | losing++; | |
2177 | break; | |
2178 | default: | |
2179 | break; | |
2180 | } | |
2181 | break; | |
2182 | ||
252b5132 RH |
2183 | case 'X': |
2184 | if (opP->mode != CONTROL | |
2185 | || (!(opP->reg >= BAD && opP->reg <= BAD + 7) | |
2186 | && !(opP->reg >= BAC && opP->reg <= BAC + 7))) | |
2187 | losing++; | |
2188 | break; | |
2189 | ||
2190 | case 'Y': | |
2191 | if (opP->mode != CONTROL || opP->reg != PSR) | |
2192 | losing++; | |
2193 | break; | |
2194 | ||
2195 | case 'Z': | |
2196 | if (opP->mode != CONTROL || opP->reg != PCSR) | |
2197 | losing++; | |
2198 | break; | |
2199 | #endif | |
2200 | case 'c': | |
2201 | if (opP->mode != CONTROL | |
2202 | || (opP->reg != NC | |
2203 | && opP->reg != IC | |
2204 | && opP->reg != DC | |
2205 | && opP->reg != BC)) | |
36759679 | 2206 | losing++; |
252b5132 RH |
2207 | break; |
2208 | ||
2209 | case '_': | |
2210 | if (opP->mode != ABSL) | |
2211 | ++losing; | |
2212 | break; | |
2213 | ||
6da466c7 ILT |
2214 | case 'u': |
2215 | if (opP->reg < DATA0L || opP->reg > ADDR7U) | |
2216 | losing++; | |
2217 | /* FIXME: kludge instead of fixing parser: | |
2218 | upper/lower registers are *not* CONTROL | |
92774660 | 2219 | registers, but ordinary ones. */ |
6da466c7 ILT |
2220 | if ((opP->reg >= DATA0L && opP->reg <= DATA7L) |
2221 | || (opP->reg >= DATA0U && opP->reg <= DATA7U)) | |
2222 | opP->mode = DREG; | |
2223 | else | |
2224 | opP->mode = AREG; | |
2225 | break; | |
2226 | ||
3e602632 NC |
2227 | case 'y': |
2228 | if (!(opP->mode == AINDR | |
31302357 AS |
2229 | || (opP->mode == DISP |
2230 | && !(opP->reg == PC || opP->reg == ZPC)))) | |
3e602632 NC |
2231 | losing++; |
2232 | break; | |
2233 | ||
2234 | case 'z': | |
2235 | if (!(opP->mode == AINDR || opP->mode == DISP)) | |
2236 | losing++; | |
2237 | break; | |
2238 | ||
252b5132 RH |
2239 | default: |
2240 | abort (); | |
36759679 | 2241 | } |
252b5132 RH |
2242 | |
2243 | if (losing) | |
2244 | break; | |
36759679 | 2245 | } |
03b13e59 NC |
2246 | |
2247 | /* Since we have found the correct instruction, copy | |
2248 | in the modifications that we may have made. */ | |
2249 | if (!losing) | |
2250 | for (i = 0; i < opsfound; i++) | |
2251 | the_ins.operands[i] = operands_backup[i]; | |
36759679 | 2252 | } |
252b5132 RH |
2253 | |
2254 | if (!losing) | |
36759679 | 2255 | break; |
252b5132 RH |
2256 | |
2257 | opcode = opcode->m_next; | |
2258 | ||
2259 | if (!opcode) | |
2260 | { | |
2261 | if (ok_arch | |
2262 | && !(ok_arch & current_architecture)) | |
2263 | { | |
6d89cc8f NS |
2264 | const struct m68k_cpu *cpu; |
2265 | int any = 0; | |
2266 | size_t space = 400; | |
325801bd | 2267 | char *buf = XNEWVEC (char, space + 1); |
6d89cc8f NS |
2268 | size_t len; |
2269 | int paren = 1; | |
2270 | ||
2271 | the_ins.error = buf; | |
2272 | /* Make sure there's a NUL at the end of the buffer -- strncpy | |
b2f58c0c | 2273 | won't write one when it runs out of buffer. */ |
6d89cc8f NS |
2274 | buf[space] = 0; |
2275 | #define APPEND(STRING) \ | |
2276 | (strncpy (buf, STRING, space), len = strlen (buf), buf += len, space -= len) | |
2277 | ||
2278 | APPEND (_("invalid instruction for this architecture; needs ")); | |
252b5132 RH |
2279 | switch (ok_arch) |
2280 | { | |
6b6e92f4 | 2281 | case mcfisa_a: |
b2f58c0c | 2282 | APPEND ("ColdFire ISA_A"); |
6b6e92f4 NC |
2283 | break; |
2284 | case mcfhwdiv: | |
b2f58c0c NC |
2285 | APPEND ("ColdFire "); |
2286 | APPEND (_("hardware divide")); | |
6b6e92f4 NC |
2287 | break; |
2288 | case mcfisa_aa: | |
b2f58c0c | 2289 | APPEND ("ColdFire ISA_A+"); |
6b6e92f4 NC |
2290 | break; |
2291 | case mcfisa_b: | |
b2f58c0c | 2292 | APPEND ("ColdFire ISA_B"); |
6b6e92f4 | 2293 | break; |
8d100c32 | 2294 | case mcfisa_c: |
b2f58c0c | 2295 | APPEND ("ColdFire ISA_C"); |
8d100c32 | 2296 | break; |
3e602632 | 2297 | case cfloat: |
b2f58c0c | 2298 | APPEND ("ColdFire fpu"); |
3e602632 | 2299 | break; |
252b5132 | 2300 | case mfloat: |
b2f58c0c | 2301 | APPEND ("M68K fpu"); |
252b5132 RH |
2302 | break; |
2303 | case mmmu: | |
b2f58c0c | 2304 | APPEND ("M68K mmu"); |
252b5132 RH |
2305 | break; |
2306 | case m68020up: | |
b2f58c0c NC |
2307 | APPEND ("68020 "); |
2308 | APPEND (_("or higher")); | |
252b5132 RH |
2309 | break; |
2310 | case m68000up: | |
b2f58c0c NC |
2311 | APPEND ("68000 "); |
2312 | APPEND (_("or higher")); | |
252b5132 RH |
2313 | break; |
2314 | case m68010up: | |
b2f58c0c NC |
2315 | APPEND ("68010 "); |
2316 | APPEND (_("or higher")); | |
252b5132 RH |
2317 | break; |
2318 | default: | |
6d89cc8f NS |
2319 | paren = 0; |
2320 | } | |
2321 | if (paren) | |
2322 | APPEND (" ("); | |
6b6e92f4 | 2323 | |
6d89cc8f NS |
2324 | for (cpu = m68k_cpus; cpu->name; cpu++) |
2325 | if (!cpu->alias && (cpu->arch & ok_arch)) | |
2326 | { | |
2327 | const struct m68k_cpu *alias; | |
869ddf2a | 2328 | int seen_master = 0; |
3739860c | 2329 | |
6d89cc8f NS |
2330 | if (any) |
2331 | APPEND (", "); | |
2332 | any = 0; | |
2333 | APPEND (cpu->name); | |
869ddf2a NS |
2334 | for (alias = cpu; alias != m68k_cpus; alias--) |
2335 | if (alias[-1].alias >= 0) | |
2336 | break; | |
2337 | for (; !seen_master || alias->alias > 0; alias++) | |
6d89cc8f | 2338 | { |
869ddf2a NS |
2339 | if (!alias->alias) |
2340 | seen_master = 1; | |
2341 | else | |
2342 | { | |
2343 | if (any) | |
2344 | APPEND (", "); | |
2345 | else | |
2346 | APPEND (" ["); | |
2347 | APPEND (alias->name); | |
2348 | any = 1; | |
2349 | } | |
6d89cc8f | 2350 | } |
869ddf2a NS |
2351 | if (any) |
2352 | APPEND ("]"); | |
6d89cc8f | 2353 | any = 1; |
252b5132 | 2354 | } |
6d89cc8f NS |
2355 | if (paren) |
2356 | APPEND (")"); | |
2357 | #undef APPEND | |
2358 | if (!space) | |
2359 | { | |
b2f58c0c | 2360 | /* We ran out of space, so replace the end of the list |
6d89cc8f NS |
2361 | with ellipsis. */ |
2362 | buf -= 4; | |
2363 | while (*buf != ' ') | |
2364 | buf--; | |
2365 | strcpy (buf, " ..."); | |
252b5132 | 2366 | } |
252b5132 RH |
2367 | } |
2368 | else | |
2369 | the_ins.error = _("operands mismatch"); | |
2370 | return; | |
36759679 | 2371 | } |
252b5132 RH |
2372 | |
2373 | losing = 0; | |
2374 | } | |
2375 | ||
36759679 | 2376 | /* Now assemble it. */ |
252b5132 RH |
2377 | the_ins.args = opcode->m_operands; |
2378 | the_ins.numargs = opcode->m_opnum; | |
2379 | the_ins.numo = opcode->m_codenum; | |
2380 | the_ins.opcode[0] = getone (opcode); | |
2381 | the_ins.opcode[1] = gettwo (opcode); | |
2382 | ||
2383 | for (s = the_ins.args, opP = &the_ins.operands[0]; *s; s += 2, opP++) | |
2384 | { | |
9a2e615a | 2385 | int have_disp = 0; |
cac27205 | 2386 | int use_pl = 0; |
3739860c | 2387 | |
252b5132 | 2388 | /* This switch is a doozy. |
33eaf5de | 2389 | Watch the first step; it's a big one! */ |
252b5132 RH |
2390 | switch (s[0]) |
2391 | { | |
2392 | ||
2393 | case '*': | |
2394 | case '~': | |
2395 | case '%': | |
2396 | case ';': | |
2397 | case '@': | |
2398 | case '!': | |
2399 | case '&': | |
2400 | case '$': | |
2401 | case '?': | |
2402 | case '/': | |
2403 | case '<': | |
2404 | case '>': | |
3e602632 | 2405 | case 'b': |
252b5132 RH |
2406 | case 'm': |
2407 | case 'n': | |
2408 | case 'o': | |
2409 | case 'p': | |
2410 | case 'q': | |
2411 | case 'v': | |
3e602632 NC |
2412 | case 'w': |
2413 | case 'y': | |
2414 | case 'z': | |
fd99574b | 2415 | case '4': |
252b5132 RH |
2416 | #ifndef NO_68851 |
2417 | case '|': | |
2418 | #endif | |
2419 | switch (opP->mode) | |
2420 | { | |
2421 | case IMMED: | |
2422 | tmpreg = 0x3c; /* 7.4 */ | |
2423 | if (strchr ("bwl", s[1])) | |
3e602632 | 2424 | nextword = get_num (&opP->disp, 90); |
252b5132 RH |
2425 | else |
2426 | nextword = get_num (&opP->disp, 0); | |
2427 | if (isvar (&opP->disp)) | |
2428 | add_fix (s[1], &opP->disp, 0, 0); | |
2429 | switch (s[1]) | |
2430 | { | |
2431 | case 'b': | |
2432 | if (!isbyte (nextword)) | |
2433 | opP->error = _("operand out of range"); | |
2434 | addword (nextword); | |
2435 | baseo = 0; | |
2436 | break; | |
2437 | case 'w': | |
2438 | if (!isword (nextword)) | |
2439 | opP->error = _("operand out of range"); | |
2440 | addword (nextword); | |
2441 | baseo = 0; | |
2442 | break; | |
2443 | case 'W': | |
2444 | if (!issword (nextword)) | |
2445 | opP->error = _("operand out of range"); | |
2446 | addword (nextword); | |
2447 | baseo = 0; | |
2448 | break; | |
2449 | case 'l': | |
2450 | addword (nextword >> 16); | |
2451 | addword (nextword); | |
2452 | baseo = 0; | |
2453 | break; | |
2454 | ||
2455 | case 'f': | |
2456 | baseo = 2; | |
2457 | outro = 8; | |
2458 | break; | |
2459 | case 'F': | |
2460 | baseo = 4; | |
2461 | outro = 11; | |
2462 | break; | |
2463 | case 'x': | |
2464 | baseo = 6; | |
2465 | outro = 15; | |
2466 | break; | |
2467 | case 'p': | |
2468 | baseo = 6; | |
2469 | outro = -1; | |
2470 | break; | |
2471 | default: | |
2472 | abort (); | |
2473 | } | |
2474 | if (!baseo) | |
2475 | break; | |
2476 | ||
36759679 | 2477 | /* We gotta put out some float. */ |
252b5132 RH |
2478 | if (op (&opP->disp) != O_big) |
2479 | { | |
2480 | valueT val; | |
2481 | int gencnt; | |
2482 | ||
2483 | /* Can other cases happen here? */ | |
2484 | if (op (&opP->disp) != O_constant) | |
2485 | abort (); | |
2486 | ||
2487 | val = (valueT) offs (&opP->disp); | |
2488 | gencnt = 0; | |
2489 | do | |
2490 | { | |
2491 | generic_bignum[gencnt] = (LITTLENUM_TYPE) val; | |
2492 | val >>= LITTLENUM_NUMBER_OF_BITS; | |
2493 | ++gencnt; | |
2494 | } | |
2495 | while (val != 0); | |
2496 | offs (&opP->disp) = gencnt; | |
2497 | } | |
2498 | if (offs (&opP->disp) > 0) | |
2499 | { | |
2500 | if (offs (&opP->disp) > baseo) | |
2501 | { | |
2502 | as_warn (_("Bignum too big for %c format; truncated"), | |
2503 | s[1]); | |
2504 | offs (&opP->disp) = baseo; | |
2505 | } | |
2506 | baseo -= offs (&opP->disp); | |
2507 | while (baseo--) | |
2508 | addword (0); | |
2509 | for (wordp = generic_bignum + offs (&opP->disp) - 1; | |
2510 | offs (&opP->disp)--; | |
2511 | --wordp) | |
2512 | addword (*wordp); | |
2513 | break; | |
2514 | } | |
2515 | gen_to_words (words, baseo, (long) outro); | |
2516 | for (wordp = words; baseo--; wordp++) | |
2517 | addword (*wordp); | |
2518 | break; | |
2519 | case DREG: | |
2520 | tmpreg = opP->reg - DATA; /* 0.dreg */ | |
2521 | break; | |
2522 | case AREG: | |
2523 | tmpreg = 0x08 + opP->reg - ADDR; /* 1.areg */ | |
2524 | break; | |
2525 | case AINDR: | |
2526 | tmpreg = 0x10 + opP->reg - ADDR; /* 2.areg */ | |
2527 | break; | |
2528 | case ADEC: | |
2529 | tmpreg = 0x20 + opP->reg - ADDR; /* 4.areg */ | |
2530 | break; | |
2531 | case AINC: | |
2532 | tmpreg = 0x18 + opP->reg - ADDR; /* 3.areg */ | |
2533 | break; | |
2534 | case DISP: | |
2535 | ||
3e602632 | 2536 | nextword = get_num (&opP->disp, 90); |
252b5132 | 2537 | |
580b9172 NC |
2538 | /* Convert mode 5 addressing with a zero offset into |
2539 | mode 2 addressing to reduce the instruction size by a | |
2540 | word. */ | |
2541 | if (! isvar (&opP->disp) | |
2542 | && (nextword == 0) | |
2543 | && (opP->disp.size == SIZE_UNSPEC) | |
2544 | && (opP->reg >= ADDR0) | |
2545 | && (opP->reg <= ADDR7)) | |
2546 | { | |
2547 | tmpreg = 0x10 + opP->reg - ADDR; /* 2.areg */ | |
2548 | break; | |
2549 | } | |
2550 | ||
252b5132 RH |
2551 | if (opP->reg == PC |
2552 | && ! isvar (&opP->disp) | |
2553 | && m68k_abspcadd) | |
2554 | { | |
2555 | opP->disp.exp.X_op = O_symbol; | |
252b5132 RH |
2556 | opP->disp.exp.X_add_symbol = |
2557 | section_symbol (absolute_section); | |
252b5132 RH |
2558 | } |
2559 | ||
36759679 | 2560 | /* Force into index mode. Hope this works. */ |
252b5132 RH |
2561 | |
2562 | /* We do the first bit for 32-bit displacements, and the | |
2563 | second bit for 16 bit ones. It is possible that we | |
2564 | should make the default be WORD instead of LONG, but | |
2565 | I think that'd break GCC, so we put up with a little | |
2566 | inefficiency for the sake of working output. */ | |
2567 | ||
2568 | if (!issword (nextword) | |
2569 | || (isvar (&opP->disp) | |
2570 | && ((opP->disp.size == SIZE_UNSPEC | |
2571 | && flag_short_refs == 0 | |
2572 | && cpu_of_arch (current_architecture) >= m68020 | |
6da466c7 | 2573 | && ! arch_coldfire_p (current_architecture)) |
252b5132 RH |
2574 | || opP->disp.size == SIZE_LONG))) |
2575 | { | |
2576 | if (cpu_of_arch (current_architecture) < m68020 | |
6da466c7 | 2577 | || arch_coldfire_p (current_architecture)) |
252b5132 RH |
2578 | opP->error = |
2579 | _("displacement too large for this architecture; needs 68020 or higher"); | |
2580 | if (opP->reg == PC) | |
2581 | tmpreg = 0x3B; /* 7.3 */ | |
2582 | else | |
2583 | tmpreg = 0x30 + opP->reg - ADDR; /* 6.areg */ | |
2584 | if (isvar (&opP->disp)) | |
2585 | { | |
2586 | if (opP->reg == PC) | |
2587 | { | |
2588 | if (opP->disp.size == SIZE_LONG | |
252b5132 RH |
2589 | /* If the displacement needs pic |
2590 | relocation it cannot be relaxed. */ | |
dc12032b | 2591 | || opP->disp.pic_reloc != pic_none) |
252b5132 RH |
2592 | { |
2593 | addword (0x0170); | |
2594 | add_fix ('l', &opP->disp, 1, 2); | |
2595 | } | |
2596 | else | |
2597 | { | |
2598 | add_frag (adds (&opP->disp), | |
bd17c2c3 | 2599 | SEXT (offs (&opP->disp)), |
151337e8 | 2600 | TAB (PCREL1632, SZ_UNDEF)); |
252b5132 RH |
2601 | break; |
2602 | } | |
2603 | } | |
2604 | else | |
2605 | { | |
2606 | addword (0x0170); | |
2607 | add_fix ('l', &opP->disp, 0, 0); | |
2608 | } | |
2609 | } | |
2610 | else | |
2611 | addword (0x0170); | |
2612 | addword (nextword >> 16); | |
2613 | } | |
2614 | else | |
2615 | { | |
2616 | if (opP->reg == PC) | |
2617 | tmpreg = 0x3A; /* 7.2 */ | |
2618 | else | |
2619 | tmpreg = 0x28 + opP->reg - ADDR; /* 5.areg */ | |
2620 | ||
2621 | if (isvar (&opP->disp)) | |
2622 | { | |
2623 | if (opP->reg == PC) | |
2624 | { | |
2625 | add_fix ('w', &opP->disp, 1, 0); | |
2626 | } | |
2627 | else | |
2628 | add_fix ('w', &opP->disp, 0, 0); | |
2629 | } | |
2630 | } | |
2631 | addword (nextword); | |
2632 | break; | |
2633 | ||
2634 | case POST: | |
2635 | case PRE: | |
2636 | case BASE: | |
2637 | nextword = 0; | |
3e602632 | 2638 | baseo = get_num (&opP->disp, 90); |
252b5132 | 2639 | if (opP->mode == POST || opP->mode == PRE) |
3e602632 | 2640 | outro = get_num (&opP->odisp, 90); |
252b5132 RH |
2641 | /* Figure out the `addressing mode'. |
2642 | Also turn on the BASE_DISABLE bit, if needed. */ | |
2643 | if (opP->reg == PC || opP->reg == ZPC) | |
2644 | { | |
2645 | tmpreg = 0x3b; /* 7.3 */ | |
2646 | if (opP->reg == ZPC) | |
2647 | nextword |= 0x80; | |
2648 | } | |
2649 | else if (opP->reg == 0) | |
2650 | { | |
2651 | nextword |= 0x80; | |
2652 | tmpreg = 0x30; /* 6.garbage */ | |
2653 | } | |
2654 | else if (opP->reg >= ZADDR0 && opP->reg <= ZADDR7) | |
2655 | { | |
2656 | nextword |= 0x80; | |
2657 | tmpreg = 0x30 + opP->reg - ZADDR0; | |
2658 | } | |
2659 | else | |
2660 | tmpreg = 0x30 + opP->reg - ADDR; /* 6.areg */ | |
2661 | ||
2662 | siz1 = opP->disp.size; | |
2663 | if (opP->mode == POST || opP->mode == PRE) | |
2664 | siz2 = opP->odisp.size; | |
2665 | else | |
2666 | siz2 = SIZE_UNSPEC; | |
2667 | ||
36759679 | 2668 | /* Index register stuff. */ |
252b5132 RH |
2669 | if (opP->index.reg != 0 |
2670 | && opP->index.reg >= DATA | |
2671 | && opP->index.reg <= ADDR7) | |
2672 | { | |
2673 | nextword |= (opP->index.reg - DATA) << 12; | |
2674 | ||
2675 | if (opP->index.size == SIZE_LONG | |
2676 | || (opP->index.size == SIZE_UNSPEC | |
2677 | && m68k_index_width_default == SIZE_LONG)) | |
2678 | nextword |= 0x800; | |
2679 | ||
92774660 | 2680 | if ((opP->index.scale != 1 |
252b5132 | 2681 | && cpu_of_arch (current_architecture) < m68020) |
92774660 | 2682 | || (opP->index.scale == 8 |
3e602632 | 2683 | && (arch_coldfire_p (current_architecture) |
6b6e92f4 | 2684 | && !arch_coldfire_fpu (current_architecture)))) |
252b5132 RH |
2685 | { |
2686 | opP->error = | |
2687 | _("scale factor invalid on this architecture; needs cpu32 or 68020 or higher"); | |
2688 | } | |
2689 | ||
6da466c7 ILT |
2690 | if (arch_coldfire_p (current_architecture) |
2691 | && opP->index.size == SIZE_WORD) | |
2692 | opP->error = _("invalid index size for coldfire"); | |
2693 | ||
252b5132 RH |
2694 | switch (opP->index.scale) |
2695 | { | |
2696 | case 1: | |
2697 | break; | |
2698 | case 2: | |
2699 | nextword |= 0x200; | |
2700 | break; | |
2701 | case 4: | |
2702 | nextword |= 0x400; | |
2703 | break; | |
2704 | case 8: | |
2705 | nextword |= 0x600; | |
2706 | break; | |
2707 | default: | |
2708 | abort (); | |
2709 | } | |
33eaf5de | 2710 | /* IF it's simple, |
252b5132 RH |
2711 | GET US OUT OF HERE! */ |
2712 | ||
2713 | /* Must be INDEX, with an index register. Address | |
2714 | register cannot be ZERO-PC, and either :b was | |
2715 | forced, or we know it will fit. For a 68000 or | |
2716 | 68010, force this mode anyways, because the | |
2717 | larger modes aren't supported. */ | |
2718 | if (opP->mode == BASE | |
2719 | && ((opP->reg >= ADDR0 | |
2720 | && opP->reg <= ADDR7) | |
2721 | || opP->reg == PC)) | |
2722 | { | |
2723 | if (siz1 == SIZE_BYTE | |
2724 | || cpu_of_arch (current_architecture) < m68020 | |
6da466c7 | 2725 | || arch_coldfire_p (current_architecture) |
252b5132 RH |
2726 | || (siz1 == SIZE_UNSPEC |
2727 | && ! isvar (&opP->disp) | |
2728 | && issbyte (baseo))) | |
2729 | { | |
2730 | nextword += baseo & 0xff; | |
2731 | addword (nextword); | |
2732 | if (isvar (&opP->disp)) | |
2733 | { | |
2734 | /* Do a byte relocation. If it doesn't | |
2735 | fit (possible on m68000) let the | |
2736 | fixup processing complain later. */ | |
2737 | if (opP->reg == PC) | |
2738 | add_fix ('B', &opP->disp, 1, 1); | |
2739 | else | |
2740 | add_fix ('B', &opP->disp, 0, 0); | |
2741 | } | |
2742 | else if (siz1 != SIZE_BYTE) | |
2743 | { | |
2744 | if (siz1 != SIZE_UNSPEC) | |
2745 | as_warn (_("Forcing byte displacement")); | |
2746 | if (! issbyte (baseo)) | |
2747 | opP->error = _("byte displacement out of range"); | |
2748 | } | |
2749 | ||
2750 | break; | |
2751 | } | |
2752 | else if (siz1 == SIZE_UNSPEC | |
2753 | && opP->reg == PC | |
2754 | && isvar (&opP->disp) | |
2755 | && subs (&opP->disp) == NULL | |
252b5132 RH |
2756 | /* If the displacement needs pic |
2757 | relocation it cannot be relaxed. */ | |
dc12032b | 2758 | && opP->disp.pic_reloc == pic_none) |
252b5132 RH |
2759 | { |
2760 | /* The code in md_convert_frag_1 needs to be | |
2761 | able to adjust nextword. Call frag_grow | |
2762 | to ensure that we have enough space in | |
2763 | the frag obstack to make all the bytes | |
2764 | contiguous. */ | |
2765 | frag_grow (14); | |
8a104df9 KH |
2766 | nextword += baseo & 0xff; |
2767 | addword (nextword); | |
bd17c2c3 AM |
2768 | add_frag (adds (&opP->disp), |
2769 | SEXT (offs (&opP->disp)), | |
8a104df9 | 2770 | TAB (PCINDEX, SZ_UNDEF)); |
252b5132 RH |
2771 | |
2772 | break; | |
8a104df9 | 2773 | } |
252b5132 RH |
2774 | } |
2775 | } | |
2776 | else | |
2777 | { | |
36759679 | 2778 | nextword |= 0x40; /* No index reg. */ |
252b5132 RH |
2779 | if (opP->index.reg >= ZDATA0 |
2780 | && opP->index.reg <= ZDATA7) | |
2781 | nextword |= (opP->index.reg - ZDATA0) << 12; | |
2782 | else if (opP->index.reg >= ZADDR0 | |
59e28a97 | 2783 | && opP->index.reg <= ZADDR7) |
252b5132 RH |
2784 | nextword |= (opP->index.reg - ZADDR0 + 8) << 12; |
2785 | } | |
2786 | ||
2787 | /* It isn't simple. */ | |
2788 | ||
2789 | if (cpu_of_arch (current_architecture) < m68020 | |
6da466c7 | 2790 | || arch_coldfire_p (current_architecture)) |
252b5132 RH |
2791 | opP->error = |
2792 | _("invalid operand mode for this architecture; needs 68020 or higher"); | |
2793 | ||
2794 | nextword |= 0x100; | |
2795 | /* If the guy specified a width, we assume that it is | |
2796 | wide enough. Maybe it isn't. If so, we lose. */ | |
2797 | switch (siz1) | |
2798 | { | |
2799 | case SIZE_UNSPEC: | |
2800 | if (isvar (&opP->disp) | |
2801 | ? m68k_rel32 | |
2802 | : ! issword (baseo)) | |
2803 | { | |
2804 | siz1 = SIZE_LONG; | |
2805 | nextword |= 0x30; | |
2806 | } | |
2807 | else if (! isvar (&opP->disp) && baseo == 0) | |
2808 | nextword |= 0x10; | |
2809 | else | |
2810 | { | |
2811 | nextword |= 0x20; | |
2812 | siz1 = SIZE_WORD; | |
2813 | } | |
2814 | break; | |
2815 | case SIZE_BYTE: | |
2816 | as_warn (_(":b not permitted; defaulting to :w")); | |
2817 | /* Fall through. */ | |
2818 | case SIZE_WORD: | |
2819 | nextword |= 0x20; | |
2820 | break; | |
2821 | case SIZE_LONG: | |
2822 | nextword |= 0x30; | |
2823 | break; | |
2824 | } | |
2825 | ||
67c1ffbe | 2826 | /* Figure out inner displacement stuff. */ |
252b5132 RH |
2827 | if (opP->mode == POST || opP->mode == PRE) |
2828 | { | |
2829 | if (cpu_of_arch (current_architecture) & cpu32) | |
2830 | opP->error = _("invalid operand mode for this architecture; needs 68020 or higher"); | |
2831 | switch (siz2) | |
2832 | { | |
2833 | case SIZE_UNSPEC: | |
2834 | if (isvar (&opP->odisp) | |
2835 | ? m68k_rel32 | |
2836 | : ! issword (outro)) | |
2837 | { | |
2838 | siz2 = SIZE_LONG; | |
2839 | nextword |= 0x3; | |
2840 | } | |
2841 | else if (! isvar (&opP->odisp) && outro == 0) | |
2842 | nextword |= 0x1; | |
2843 | else | |
2844 | { | |
2845 | nextword |= 0x2; | |
2846 | siz2 = SIZE_WORD; | |
2847 | } | |
2848 | break; | |
2849 | case 1: | |
2850 | as_warn (_(":b not permitted; defaulting to :w")); | |
2851 | /* Fall through. */ | |
2852 | case 2: | |
2853 | nextword |= 0x2; | |
2854 | break; | |
2855 | case 3: | |
2856 | nextword |= 0x3; | |
2857 | break; | |
2858 | } | |
2859 | if (opP->mode == POST | |
2860 | && (nextword & 0x40) == 0) | |
2861 | nextword |= 0x04; | |
2862 | } | |
2863 | addword (nextword); | |
2864 | ||
2865 | if (siz1 != SIZE_UNSPEC && isvar (&opP->disp)) | |
2866 | { | |
2867 | if (opP->reg == PC || opP->reg == ZPC) | |
2868 | add_fix (siz1 == SIZE_LONG ? 'l' : 'w', &opP->disp, 1, 2); | |
2869 | else | |
2870 | add_fix (siz1 == SIZE_LONG ? 'l' : 'w', &opP->disp, 0, 0); | |
2871 | } | |
2872 | if (siz1 == SIZE_LONG) | |
2873 | addword (baseo >> 16); | |
2874 | if (siz1 != SIZE_UNSPEC) | |
2875 | addword (baseo); | |
2876 | ||
2877 | if (siz2 != SIZE_UNSPEC && isvar (&opP->odisp)) | |
2878 | add_fix (siz2 == SIZE_LONG ? 'l' : 'w', &opP->odisp, 0, 0); | |
2879 | if (siz2 == SIZE_LONG) | |
2880 | addword (outro >> 16); | |
2881 | if (siz2 != SIZE_UNSPEC) | |
2882 | addword (outro); | |
2883 | ||
2884 | break; | |
2885 | ||
2886 | case ABSL: | |
3e602632 | 2887 | nextword = get_num (&opP->disp, 90); |
252b5132 RH |
2888 | switch (opP->disp.size) |
2889 | { | |
2890 | default: | |
2891 | abort (); | |
2892 | case SIZE_UNSPEC: | |
2893 | if (!isvar (&opP->disp) && issword (offs (&opP->disp))) | |
2894 | { | |
2895 | tmpreg = 0x38; /* 7.0 */ | |
2896 | addword (nextword); | |
2897 | break; | |
2898 | } | |
252b5132 RH |
2899 | if (isvar (&opP->disp) |
2900 | && !subs (&opP->disp) | |
2901 | && adds (&opP->disp) | |
252b5132 RH |
2902 | /* If the displacement needs pic relocation it |
2903 | cannot be relaxed. */ | |
2904 | && opP->disp.pic_reloc == pic_none | |
252b5132 RH |
2905 | && !flag_long_jumps |
2906 | && !strchr ("~%&$?", s[0])) | |
2907 | { | |
2908 | tmpreg = 0x3A; /* 7.2 */ | |
2909 | add_frag (adds (&opP->disp), | |
bd17c2c3 | 2910 | SEXT (offs (&opP->disp)), |
151337e8 | 2911 | TAB (ABSTOPCREL, SZ_UNDEF)); |
252b5132 RH |
2912 | break; |
2913 | } | |
1a0670f3 | 2914 | /* Fall through. */ |
252b5132 RH |
2915 | case SIZE_LONG: |
2916 | if (isvar (&opP->disp)) | |
2917 | add_fix ('l', &opP->disp, 0, 0); | |
2918 | ||
2919 | tmpreg = 0x39;/* 7.1 mode */ | |
2920 | addword (nextword >> 16); | |
2921 | addword (nextword); | |
2922 | break; | |
2923 | ||
2924 | case SIZE_BYTE: | |
2925 | as_bad (_("unsupported byte value; use a different suffix")); | |
2926 | /* Fall through. */ | |
36759679 NC |
2927 | |
2928 | case SIZE_WORD: | |
252b5132 RH |
2929 | if (isvar (&opP->disp)) |
2930 | add_fix ('w', &opP->disp, 0, 0); | |
2931 | ||
2932 | tmpreg = 0x38;/* 7.0 mode */ | |
2933 | addword (nextword); | |
2934 | break; | |
2935 | } | |
2936 | break; | |
2937 | case CONTROL: | |
2938 | case FPREG: | |
2939 | default: | |
2940 | as_bad (_("unknown/incorrect operand")); | |
bc805888 | 2941 | /* abort (); */ |
252b5132 | 2942 | } |
fd99574b NC |
2943 | |
2944 | /* If s[0] is '4', then this is for the mac instructions | |
2945 | that can have a trailing_ampersand set. If so, set 0x100 | |
2946 | bit on tmpreg so install_gen_operand can check for it and | |
2947 | set the appropriate bit (word2, bit 5). */ | |
2948 | if (s[0] == '4') | |
2949 | { | |
2950 | if (opP->trailing_ampersand) | |
2951 | tmpreg |= 0x100; | |
2952 | } | |
252b5132 RH |
2953 | install_gen_operand (s[1], tmpreg); |
2954 | break; | |
2955 | ||
2956 | case '#': | |
2957 | case '^': | |
2958 | switch (s[1]) | |
2959 | { /* JF: I hate floating point! */ | |
2960 | case 'j': | |
2961 | tmpreg = 70; | |
2962 | break; | |
2963 | case '8': | |
2964 | tmpreg = 20; | |
2965 | break; | |
2966 | case 'C': | |
2967 | tmpreg = 50; | |
2968 | break; | |
2969 | case '3': | |
2970 | default: | |
3e602632 | 2971 | tmpreg = 90; |
252b5132 RH |
2972 | break; |
2973 | } | |
2974 | tmpreg = get_num (&opP->disp, tmpreg); | |
2975 | if (isvar (&opP->disp)) | |
2976 | add_fix (s[1], &opP->disp, 0, 0); | |
2977 | switch (s[1]) | |
2978 | { | |
2979 | case 'b': /* Danger: These do no check for | |
2980 | certain types of overflow. | |
2981 | user beware! */ | |
2982 | if (!isbyte (tmpreg)) | |
2983 | opP->error = _("out of range"); | |
2984 | insop (tmpreg, opcode); | |
2985 | if (isvar (&opP->disp)) | |
2986 | the_ins.reloc[the_ins.nrel - 1].n = | |
2987 | (opcode->m_codenum) * 2 + 1; | |
2988 | break; | |
2989 | case 'B': | |
2990 | if (!issbyte (tmpreg)) | |
2991 | opP->error = _("out of range"); | |
2992 | the_ins.opcode[the_ins.numo - 1] |= tmpreg & 0xff; | |
2993 | if (isvar (&opP->disp)) | |
2994 | the_ins.reloc[the_ins.nrel - 1].n = opcode->m_codenum * 2 - 1; | |
2995 | break; | |
2996 | case 'w': | |
2997 | if (!isword (tmpreg)) | |
2998 | opP->error = _("out of range"); | |
2999 | insop (tmpreg, opcode); | |
3000 | if (isvar (&opP->disp)) | |
3001 | the_ins.reloc[the_ins.nrel - 1].n = (opcode->m_codenum) * 2; | |
3002 | break; | |
3003 | case 'W': | |
3004 | if (!issword (tmpreg)) | |
3005 | opP->error = _("out of range"); | |
3006 | insop (tmpreg, opcode); | |
3007 | if (isvar (&opP->disp)) | |
3008 | the_ins.reloc[the_ins.nrel - 1].n = (opcode->m_codenum) * 2; | |
3009 | break; | |
3010 | case 'l': | |
3011 | /* Because of the way insop works, we put these two out | |
3012 | backwards. */ | |
3013 | insop (tmpreg, opcode); | |
3014 | insop (tmpreg >> 16, opcode); | |
3015 | if (isvar (&opP->disp)) | |
3016 | the_ins.reloc[the_ins.nrel - 1].n = (opcode->m_codenum) * 2; | |
3017 | break; | |
3018 | case '3': | |
3019 | tmpreg &= 0xFF; | |
1a0670f3 | 3020 | /* Fall through. */ |
252b5132 RH |
3021 | case '8': |
3022 | case 'C': | |
3023 | case 'j': | |
3024 | install_operand (s[1], tmpreg); | |
3025 | break; | |
3026 | default: | |
3027 | abort (); | |
3028 | } | |
3029 | break; | |
3030 | ||
3031 | case '+': | |
3032 | case '-': | |
3033 | case 'A': | |
3034 | case 'a': | |
3035 | install_operand (s[1], opP->reg - ADDR); | |
3036 | break; | |
3037 | ||
3038 | case 'B': | |
3e602632 | 3039 | tmpreg = get_num (&opP->disp, 90); |
3739860c | 3040 | |
252b5132 RH |
3041 | switch (s[1]) |
3042 | { | |
3043 | case 'B': | |
8390138c | 3044 | add_fix ('B', &opP->disp, 1, -1); |
252b5132 RH |
3045 | break; |
3046 | case 'W': | |
3047 | add_fix ('w', &opP->disp, 1, 0); | |
3048 | addword (0); | |
3049 | break; | |
3050 | case 'L': | |
3051 | long_branch: | |
151337e8 | 3052 | the_ins.opcode[0] |= 0xff; |
252b5132 RH |
3053 | add_fix ('l', &opP->disp, 1, 0); |
3054 | addword (0); | |
3055 | addword (0); | |
3056 | break; | |
9a2e615a NS |
3057 | case 'g': /* Conditional branch */ |
3058 | have_disp = HAVE_LONG_CALL (current_architecture); | |
3059 | goto var_branch; | |
3739860c | 3060 | |
9a2e615a NS |
3061 | case 'b': /* Unconditional branch */ |
3062 | have_disp = HAVE_LONG_BRANCH (current_architecture); | |
cac27205 | 3063 | use_pl = LONG_BRANCH_VIA_COND (current_architecture); |
9a2e615a | 3064 | goto var_branch; |
3739860c | 3065 | |
9a2e615a NS |
3066 | case 's': /* Unconditional subroutine */ |
3067 | have_disp = HAVE_LONG_CALL (current_architecture); | |
3739860c | 3068 | |
9a2e615a NS |
3069 | var_branch: |
3070 | if (subs (&opP->disp) /* We can't relax it. */ | |
9a2e615a NS |
3071 | /* If the displacement needs pic relocation it cannot be |
3072 | relaxed. */ | |
dc12032b | 3073 | || opP->disp.pic_reloc != pic_none) |
9a2e615a NS |
3074 | { |
3075 | if (!have_disp) | |
3076 | as_warn (_("Can't use long branches on this architecture")); | |
3077 | goto long_branch; | |
3078 | } | |
3739860c | 3079 | |
252b5132 | 3080 | /* This could either be a symbol, or an absolute |
151337e8 NC |
3081 | address. If it's an absolute address, turn it into |
3082 | an absolute jump right here and keep it out of the | |
3083 | relaxer. */ | |
3084 | if (adds (&opP->disp) == 0) | |
3085 | { | |
3086 | if (the_ins.opcode[0] == 0x6000) /* jbra */ | |
18566f55 | 3087 | the_ins.opcode[0] = 0x4EF9; |
151337e8 | 3088 | else if (the_ins.opcode[0] == 0x6100) /* jbsr */ |
18566f55 | 3089 | the_ins.opcode[0] = 0x4EB9; |
151337e8 NC |
3090 | else /* jCC */ |
3091 | { | |
3092 | the_ins.opcode[0] ^= 0x0100; | |
3093 | the_ins.opcode[0] |= 0x0006; | |
18566f55 | 3094 | addword (0x4EF9); |
151337e8 NC |
3095 | } |
3096 | add_fix ('l', &opP->disp, 0, 0); | |
3097 | addword (0); | |
3098 | addword (0); | |
3099 | break; | |
3100 | } | |
3101 | ||
3102 | /* Now we know it's going into the relaxer. Now figure | |
3103 | out which mode. We try in this order of preference: | |
3104 | long branch, absolute jump, byte/word branches only. */ | |
9a2e615a | 3105 | if (have_disp) |
bd17c2c3 AM |
3106 | add_frag (adds (&opP->disp), |
3107 | SEXT (offs (&opP->disp)), | |
151337e8 NC |
3108 | TAB (BRANCHBWL, SZ_UNDEF)); |
3109 | else if (! flag_keep_pcrel) | |
3110 | { | |
3111 | if ((the_ins.opcode[0] == 0x6000) | |
3112 | || (the_ins.opcode[0] == 0x6100)) | |
bd17c2c3 AM |
3113 | add_frag (adds (&opP->disp), |
3114 | SEXT (offs (&opP->disp)), | |
151337e8 NC |
3115 | TAB (BRABSJUNC, SZ_UNDEF)); |
3116 | else | |
bd17c2c3 AM |
3117 | add_frag (adds (&opP->disp), |
3118 | SEXT (offs (&opP->disp)), | |
151337e8 NC |
3119 | TAB (BRABSJCOND, SZ_UNDEF)); |
3120 | } | |
252b5132 | 3121 | else |
bd17c2c3 AM |
3122 | add_frag (adds (&opP->disp), |
3123 | SEXT (offs (&opP->disp)), | |
cac27205 NC |
3124 | (use_pl ? TAB (BRANCHBWPL, SZ_UNDEF) |
3125 | : TAB (BRANCHBW, SZ_UNDEF))); | |
252b5132 RH |
3126 | break; |
3127 | case 'w': | |
3128 | if (isvar (&opP->disp)) | |
3129 | { | |
151337e8 NC |
3130 | /* Check for DBcc instructions. We can relax them, |
3131 | but only if we have long branches and/or absolute | |
3132 | jumps. */ | |
3133 | if (((the_ins.opcode[0] & 0xf0f8) == 0x50c8) | |
3134 | && (HAVE_LONG_BRANCH (current_architecture) | |
9a2e615a | 3135 | || ! flag_keep_pcrel)) |
252b5132 | 3136 | { |
151337e8 | 3137 | if (HAVE_LONG_BRANCH (current_architecture)) |
bd17c2c3 AM |
3138 | add_frag (adds (&opP->disp), |
3139 | SEXT (offs (&opP->disp)), | |
151337e8 NC |
3140 | TAB (DBCCLBR, SZ_UNDEF)); |
3141 | else | |
bd17c2c3 AM |
3142 | add_frag (adds (&opP->disp), |
3143 | SEXT (offs (&opP->disp)), | |
151337e8 | 3144 | TAB (DBCCABSJ, SZ_UNDEF)); |
252b5132 RH |
3145 | break; |
3146 | } | |
252b5132 RH |
3147 | add_fix ('w', &opP->disp, 1, 0); |
3148 | } | |
3149 | addword (0); | |
3150 | break; | |
36759679 | 3151 | case 'C': /* Fixed size LONG coproc branches. */ |
252b5132 RH |
3152 | add_fix ('l', &opP->disp, 1, 0); |
3153 | addword (0); | |
3154 | addword (0); | |
3155 | break; | |
36759679 | 3156 | case 'c': /* Var size Coprocesssor branches. */ |
151337e8 | 3157 | if (subs (&opP->disp) || (adds (&opP->disp) == 0)) |
252b5132 | 3158 | { |
252b5132 RH |
3159 | the_ins.opcode[the_ins.numo - 1] |= 0x40; |
3160 | add_fix ('l', &opP->disp, 1, 0); | |
3161 | addword (0); | |
3162 | addword (0); | |
3163 | } | |
151337e8 | 3164 | else |
bd17c2c3 AM |
3165 | add_frag (adds (&opP->disp), |
3166 | SEXT (offs (&opP->disp)), | |
151337e8 | 3167 | TAB (FBRANCH, SZ_UNDEF)); |
252b5132 RH |
3168 | break; |
3169 | default: | |
3170 | abort (); | |
3171 | } | |
3172 | break; | |
3173 | ||
36759679 | 3174 | case 'C': /* Ignore it. */ |
252b5132 RH |
3175 | break; |
3176 | ||
36759679 | 3177 | case 'd': /* JF this is a kludge. */ |
252b5132 | 3178 | install_operand ('s', opP->reg - ADDR); |
3e602632 | 3179 | tmpreg = get_num (&opP->disp, 90); |
252b5132 RH |
3180 | if (!issword (tmpreg)) |
3181 | { | |
3182 | as_warn (_("Expression out of range, using 0")); | |
3183 | tmpreg = 0; | |
3184 | } | |
3185 | addword (tmpreg); | |
3186 | break; | |
3187 | ||
3188 | case 'D': | |
3189 | install_operand (s[1], opP->reg - DATA); | |
3190 | break; | |
3191 | ||
fd99574b NC |
3192 | case 'e': /* EMAC ACCx, reg/reg. */ |
3193 | install_operand (s[1], opP->reg - ACC); | |
3194 | break; | |
3739860c | 3195 | |
36759679 | 3196 | case 'E': /* Ignore it. */ |
6da466c7 ILT |
3197 | break; |
3198 | ||
252b5132 RH |
3199 | case 'F': |
3200 | install_operand (s[1], opP->reg - FP0); | |
3201 | break; | |
3202 | ||
fd99574b NC |
3203 | case 'g': /* EMAC ACCEXTx. */ |
3204 | install_operand (s[1], opP->reg - ACCEXT01); | |
3205 | break; | |
3206 | ||
36759679 | 3207 | case 'G': /* Ignore it. */ |
6da466c7 ILT |
3208 | case 'H': |
3209 | break; | |
3210 | ||
252b5132 RH |
3211 | case 'I': |
3212 | tmpreg = opP->reg - COP0; | |
3213 | install_operand (s[1], tmpreg); | |
3214 | break; | |
3215 | ||
fd99574b NC |
3216 | case 'i': /* MAC/EMAC scale factor. */ |
3217 | install_operand (s[1], opP->mode == LSH ? 0x1 : 0x3); | |
3218 | break; | |
3219 | ||
36759679 | 3220 | case 'J': /* JF foo. */ |
252b5132 RH |
3221 | switch (opP->reg) |
3222 | { | |
3223 | case SFC: | |
3224 | tmpreg = 0x000; | |
3225 | break; | |
3226 | case DFC: | |
3227 | tmpreg = 0x001; | |
3228 | break; | |
3229 | case CACR: | |
3230 | tmpreg = 0x002; | |
3231 | break; | |
3232 | case TC: | |
a8e24a56 | 3233 | case ASID: |
252b5132 RH |
3234 | tmpreg = 0x003; |
3235 | break; | |
3e602632 | 3236 | case ACR0: |
252b5132 RH |
3237 | case ITT0: |
3238 | tmpreg = 0x004; | |
3239 | break; | |
3e602632 | 3240 | case ACR1: |
252b5132 RH |
3241 | case ITT1: |
3242 | tmpreg = 0x005; | |
3243 | break; | |
3e602632 | 3244 | case ACR2: |
252b5132 RH |
3245 | case DTT0: |
3246 | tmpreg = 0x006; | |
3247 | break; | |
3e602632 | 3248 | case ACR3: |
252b5132 RH |
3249 | case DTT1: |
3250 | tmpreg = 0x007; | |
3251 | break; | |
3252 | case BUSCR: | |
a8e24a56 | 3253 | case MMUBAR: |
252b5132 RH |
3254 | tmpreg = 0x008; |
3255 | break; | |
0d999f33 MK |
3256 | case RGPIOBAR: |
3257 | tmpreg = 0x009; | |
3258 | break; | |
3259 | case ACR4: | |
3260 | case ACR5: | |
3261 | case ACR6: | |
3262 | case ACR7: | |
3263 | tmpreg = 0x00c + (opP->reg - ACR4); | |
3264 | break; | |
252b5132 RH |
3265 | |
3266 | case USP: | |
3267 | tmpreg = 0x800; | |
3268 | break; | |
3269 | case VBR: | |
3270 | tmpreg = 0x801; | |
3271 | break; | |
3272 | case CAAR: | |
87298967 | 3273 | case CPUCR: |
252b5132 RH |
3274 | tmpreg = 0x802; |
3275 | break; | |
3276 | case MSP: | |
3277 | tmpreg = 0x803; | |
3278 | break; | |
3279 | case ISP: | |
3280 | tmpreg = 0x804; | |
3281 | break; | |
3282 | case MMUSR: | |
3283 | tmpreg = 0x805; | |
3284 | break; | |
3285 | case URP: | |
3286 | tmpreg = 0x806; | |
3287 | break; | |
3288 | case SRP: | |
3289 | tmpreg = 0x807; | |
3290 | break; | |
3291 | case PCR: | |
3292 | tmpreg = 0x808; | |
3293 | break; | |
3294 | case ROMBAR: | |
a8e24a56 | 3295 | case ROMBAR0: |
252b5132 RH |
3296 | tmpreg = 0xC00; |
3297 | break; | |
3e602632 NC |
3298 | case ROMBAR1: |
3299 | tmpreg = 0xC01; | |
3300 | break; | |
3301 | case FLASHBAR: | |
252b5132 | 3302 | case RAMBAR0: |
78336706 | 3303 | case RAMBAR_ALT: |
252b5132 RH |
3304 | tmpreg = 0xC04; |
3305 | break; | |
3e602632 | 3306 | case RAMBAR: |
252b5132 RH |
3307 | case RAMBAR1: |
3308 | tmpreg = 0xC05; | |
3309 | break; | |
3e602632 NC |
3310 | case MPCR: |
3311 | tmpreg = 0xC0C; | |
3312 | break; | |
3313 | case EDRAMBAR: | |
3314 | tmpreg = 0xC0D; | |
3315 | break; | |
3316 | case MBAR0: | |
e80e0390 | 3317 | case MBAR2: |
3e602632 NC |
3318 | case SECMBAR: |
3319 | tmpreg = 0xC0E; | |
3320 | break; | |
3321 | case MBAR1: | |
252b5132 RH |
3322 | case MBAR: |
3323 | tmpreg = 0xC0F; | |
3324 | break; | |
3e602632 NC |
3325 | case PCR1U0: |
3326 | tmpreg = 0xD02; | |
3327 | break; | |
3328 | case PCR1L0: | |
3329 | tmpreg = 0xD03; | |
3330 | break; | |
3331 | case PCR2U0: | |
3332 | tmpreg = 0xD04; | |
3333 | break; | |
3334 | case PCR2L0: | |
3335 | tmpreg = 0xD05; | |
3336 | break; | |
3337 | case PCR3U0: | |
3338 | tmpreg = 0xD06; | |
3339 | break; | |
3340 | case PCR3L0: | |
3341 | tmpreg = 0xD07; | |
3342 | break; | |
3343 | case PCR1L1: | |
3344 | tmpreg = 0xD0A; | |
3345 | break; | |
3346 | case PCR1U1: | |
3347 | tmpreg = 0xD0B; | |
3348 | break; | |
3349 | case PCR2L1: | |
3350 | tmpreg = 0xD0C; | |
3351 | break; | |
3352 | case PCR2U1: | |
3353 | tmpreg = 0xD0D; | |
3354 | break; | |
3355 | case PCR3L1: | |
3356 | tmpreg = 0xD0E; | |
3357 | break; | |
3358 | case PCR3U1: | |
3359 | tmpreg = 0xD0F; | |
3360 | break; | |
f7ec513b KH |
3361 | case CAC: |
3362 | tmpreg = 0xFFE; | |
3363 | break; | |
d0fa1372 | 3364 | case MBO: |
f7ec513b KH |
3365 | tmpreg = 0xFFF; |
3366 | break; | |
252b5132 RH |
3367 | default: |
3368 | abort (); | |
3369 | } | |
3370 | install_operand (s[1], tmpreg); | |
3371 | break; | |
3372 | ||
3373 | case 'k': | |
3374 | tmpreg = get_num (&opP->disp, 55); | |
3375 | install_operand (s[1], tmpreg & 0x7f); | |
3376 | break; | |
3377 | ||
3378 | case 'l': | |
3379 | tmpreg = opP->mask; | |
3380 | if (s[1] == 'w') | |
3381 | { | |
3382 | if (tmpreg & 0x7FF0000) | |
3383 | as_bad (_("Floating point register in register list")); | |
3384 | insop (reverse_16_bits (tmpreg), opcode); | |
3385 | } | |
3386 | else | |
3387 | { | |
3388 | if (tmpreg & 0x700FFFF) | |
3389 | as_bad (_("Wrong register in floating-point reglist")); | |
3390 | install_operand (s[1], reverse_8_bits (tmpreg >> 16)); | |
3391 | } | |
3392 | break; | |
3393 | ||
3394 | case 'L': | |
3395 | tmpreg = opP->mask; | |
3396 | if (s[1] == 'w') | |
3397 | { | |
3398 | if (tmpreg & 0x7FF0000) | |
3399 | as_bad (_("Floating point register in register list")); | |
3400 | insop (tmpreg, opcode); | |
3401 | } | |
3402 | else if (s[1] == '8') | |
3403 | { | |
3404 | if (tmpreg & 0x0FFFFFF) | |
3405 | as_bad (_("incorrect register in reglist")); | |
3406 | install_operand (s[1], tmpreg >> 24); | |
3407 | } | |
3408 | else | |
3409 | { | |
3410 | if (tmpreg & 0x700FFFF) | |
3411 | as_bad (_("wrong register in floating-point reglist")); | |
3412 | else | |
3413 | install_operand (s[1], tmpreg >> 16); | |
3414 | } | |
3415 | break; | |
3416 | ||
3417 | case 'M': | |
3418 | install_operand (s[1], get_num (&opP->disp, 60)); | |
3419 | break; | |
3420 | ||
3421 | case 'O': | |
3422 | tmpreg = ((opP->mode == DREG) | |
8fce3f5e | 3423 | ? 0x20 + (int) (opP->reg - DATA) |
252b5132 RH |
3424 | : (get_num (&opP->disp, 40) & 0x1F)); |
3425 | install_operand (s[1], tmpreg); | |
3426 | break; | |
3427 | ||
3428 | case 'Q': | |
3429 | tmpreg = get_num (&opP->disp, 10); | |
3430 | if (tmpreg == 8) | |
3431 | tmpreg = 0; | |
3432 | install_operand (s[1], tmpreg); | |
3433 | break; | |
3434 | ||
3435 | case 'R': | |
3436 | /* This depends on the fact that ADDR registers are eight | |
3437 | more than their corresponding DATA regs, so the result | |
36759679 | 3438 | will have the ADDR_REG bit set. */ |
252b5132 RH |
3439 | install_operand (s[1], opP->reg - DATA); |
3440 | break; | |
3441 | ||
3442 | case 'r': | |
3443 | if (opP->mode == AINDR) | |
3444 | install_operand (s[1], opP->reg - DATA); | |
3445 | else | |
3446 | install_operand (s[1], opP->index.reg - DATA); | |
3447 | break; | |
3448 | ||
3449 | case 's': | |
3450 | if (opP->reg == FPI) | |
3451 | tmpreg = 0x1; | |
3452 | else if (opP->reg == FPS) | |
3453 | tmpreg = 0x2; | |
3454 | else if (opP->reg == FPC) | |
3455 | tmpreg = 0x4; | |
3456 | else | |
3457 | abort (); | |
3458 | install_operand (s[1], tmpreg); | |
3459 | break; | |
3460 | ||
36759679 | 3461 | case 'S': /* Ignore it. */ |
252b5132 RH |
3462 | break; |
3463 | ||
3464 | case 'T': | |
3465 | install_operand (s[1], get_num (&opP->disp, 30)); | |
3466 | break; | |
3467 | ||
36759679 | 3468 | case 'U': /* Ignore it. */ |
252b5132 RH |
3469 | break; |
3470 | ||
3471 | case 'c': | |
3472 | switch (opP->reg) | |
3473 | { | |
3474 | case NC: | |
3475 | tmpreg = 0; | |
3476 | break; | |
3477 | case DC: | |
3478 | tmpreg = 1; | |
3479 | break; | |
3480 | case IC: | |
3481 | tmpreg = 2; | |
3482 | break; | |
3483 | case BC: | |
3484 | tmpreg = 3; | |
3485 | break; | |
3486 | default: | |
3487 | as_fatal (_("failed sanity check")); | |
36759679 | 3488 | } /* switch on cache token. */ |
252b5132 RH |
3489 | install_operand (s[1], tmpreg); |
3490 | break; | |
3491 | #ifndef NO_68851 | |
92774660 | 3492 | /* JF: These are out of order, I fear. */ |
252b5132 RH |
3493 | case 'f': |
3494 | switch (opP->reg) | |
3495 | { | |
3496 | case SFC: | |
3497 | tmpreg = 0; | |
3498 | break; | |
3499 | case DFC: | |
3500 | tmpreg = 1; | |
3501 | break; | |
3502 | default: | |
3503 | abort (); | |
3504 | } | |
3505 | install_operand (s[1], tmpreg); | |
3506 | break; | |
3507 | ||
3508 | case '0': | |
3509 | case '1': | |
3510 | case '2': | |
3511 | switch (opP->reg) | |
3512 | { | |
3513 | case TC: | |
3514 | tmpreg = 0; | |
3515 | break; | |
3516 | case CAL: | |
3517 | tmpreg = 4; | |
3518 | break; | |
3519 | case VAL: | |
3520 | tmpreg = 5; | |
3521 | break; | |
3522 | case SCC: | |
3523 | tmpreg = 6; | |
3524 | break; | |
3525 | case AC: | |
3526 | tmpreg = 7; | |
3527 | break; | |
3528 | default: | |
3529 | abort (); | |
3530 | } | |
3531 | install_operand (s[1], tmpreg); | |
3532 | break; | |
3533 | ||
3534 | case 'V': | |
3535 | if (opP->reg == VAL) | |
3536 | break; | |
3537 | abort (); | |
3538 | ||
3539 | case 'W': | |
3540 | switch (opP->reg) | |
3541 | { | |
3542 | case DRP: | |
3543 | tmpreg = 1; | |
3544 | break; | |
3545 | case SRP: | |
3546 | tmpreg = 2; | |
3547 | break; | |
3548 | case CRP: | |
3549 | tmpreg = 3; | |
3550 | break; | |
3551 | default: | |
3552 | abort (); | |
3553 | } | |
3554 | install_operand (s[1], tmpreg); | |
3555 | break; | |
3556 | ||
3557 | case 'X': | |
3558 | switch (opP->reg) | |
3559 | { | |
3560 | case BAD: | |
3561 | case BAD + 1: | |
3562 | case BAD + 2: | |
3563 | case BAD + 3: | |
3564 | case BAD + 4: | |
3565 | case BAD + 5: | |
3566 | case BAD + 6: | |
3567 | case BAD + 7: | |
3568 | tmpreg = (4 << 10) | ((opP->reg - BAD) << 2); | |
3569 | break; | |
3570 | ||
3571 | case BAC: | |
3572 | case BAC + 1: | |
3573 | case BAC + 2: | |
3574 | case BAC + 3: | |
3575 | case BAC + 4: | |
3576 | case BAC + 5: | |
3577 | case BAC + 6: | |
3578 | case BAC + 7: | |
3579 | tmpreg = (5 << 10) | ((opP->reg - BAC) << 2); | |
3580 | break; | |
3581 | ||
3582 | default: | |
3583 | abort (); | |
3584 | } | |
3585 | install_operand (s[1], tmpreg); | |
3586 | break; | |
3587 | case 'Y': | |
3588 | know (opP->reg == PSR); | |
3589 | break; | |
3590 | case 'Z': | |
3591 | know (opP->reg == PCSR); | |
3592 | break; | |
3593 | #endif /* m68851 */ | |
3594 | case '3': | |
3595 | switch (opP->reg) | |
3596 | { | |
3597 | case TT0: | |
3598 | tmpreg = 2; | |
3599 | break; | |
3600 | case TT1: | |
3601 | tmpreg = 3; | |
3602 | break; | |
3603 | default: | |
3604 | abort (); | |
3605 | } | |
3606 | install_operand (s[1], tmpreg); | |
3607 | break; | |
3608 | case 't': | |
3609 | tmpreg = get_num (&opP->disp, 20); | |
3610 | install_operand (s[1], tmpreg); | |
3611 | break; | |
36759679 | 3612 | case '_': /* used only for move16 absolute 32-bit address. */ |
252b5132 RH |
3613 | if (isvar (&opP->disp)) |
3614 | add_fix ('l', &opP->disp, 0, 0); | |
3e602632 | 3615 | tmpreg = get_num (&opP->disp, 90); |
252b5132 RH |
3616 | addword (tmpreg >> 16); |
3617 | addword (tmpreg & 0xFFFF); | |
3618 | break; | |
6da466c7 ILT |
3619 | case 'u': |
3620 | install_operand (s[1], opP->reg - DATA0L); | |
3621 | opP->reg -= (DATA0L); | |
36759679 | 3622 | opP->reg &= 0x0F; /* remove upper/lower bit. */ |
6da466c7 | 3623 | break; |
3e602632 NC |
3624 | case 'x': |
3625 | tmpreg = get_num (&opP->disp, 80); | |
3626 | if (tmpreg == -1) | |
3627 | tmpreg = 0; | |
3628 | install_operand (s[1], tmpreg); | |
3629 | break; | |
afa2158f NS |
3630 | case 'j': |
3631 | tmpreg = get_num (&opP->disp, 10); | |
3632 | install_operand (s[1], tmpreg - 1); | |
3633 | break; | |
3634 | case 'K': | |
3635 | tmpreg = get_num (&opP->disp, 65); | |
3636 | install_operand (s[1], tmpreg); | |
3637 | break; | |
252b5132 RH |
3638 | default: |
3639 | abort (); | |
3640 | } | |
3641 | } | |
3642 | ||
33eaf5de | 3643 | /* By the time when get here (FINALLY) the_ins contains the complete |
92774660 | 3644 | instruction, ready to be emitted. . . */ |
252b5132 RH |
3645 | } |
3646 | ||
3647 | static int | |
31302357 | 3648 | reverse_16_bits (int in) |
252b5132 RH |
3649 | { |
3650 | int out = 0; | |
3651 | int n; | |
3652 | ||
3653 | static int mask[16] = | |
3654 | { | |
3655 | 0x0001, 0x0002, 0x0004, 0x0008, 0x0010, 0x0020, 0x0040, 0x0080, | |
3656 | 0x0100, 0x0200, 0x0400, 0x0800, 0x1000, 0x2000, 0x4000, 0x8000 | |
3657 | }; | |
3658 | for (n = 0; n < 16; n++) | |
3659 | { | |
3660 | if (in & mask[n]) | |
3661 | out |= mask[15 - n]; | |
3662 | } | |
3663 | return out; | |
3664 | } /* reverse_16_bits() */ | |
3665 | ||
3666 | static int | |
31302357 | 3667 | reverse_8_bits (int in) |
252b5132 RH |
3668 | { |
3669 | int out = 0; | |
3670 | int n; | |
3671 | ||
3672 | static int mask[8] = | |
3673 | { | |
3674 | 0x0001, 0x0002, 0x0004, 0x0008, 0x0010, 0x0020, 0x0040, 0x0080, | |
3675 | }; | |
3676 | ||
3677 | for (n = 0; n < 8; n++) | |
3678 | { | |
3679 | if (in & mask[n]) | |
3680 | out |= mask[7 - n]; | |
3681 | } | |
3682 | return out; | |
3683 | } /* reverse_8_bits() */ | |
3684 | ||
cac27205 NC |
3685 | /* Cause an extra frag to be generated here, inserting up to |
3686 | FRAG_VAR_SIZE bytes. TYPE is the subtype of the frag to be | |
3687 | generated; its primary type is rs_machine_dependent. | |
252b5132 RH |
3688 | |
3689 | The TYPE parameter is also used by md_convert_frag_1 and | |
3690 | md_estimate_size_before_relax. The appropriate type of fixup will | |
3691 | be emitted by md_convert_frag_1. | |
3692 | ||
3693 | ADD becomes the FR_SYMBOL field of the frag, and OFF the FR_OFFSET. */ | |
3694 | static void | |
31302357 | 3695 | install_operand (int mode, int val) |
252b5132 RH |
3696 | { |
3697 | switch (mode) | |
3698 | { | |
3699 | case 's': | |
36759679 | 3700 | the_ins.opcode[0] |= val & 0xFF; /* JF FF is for M kludge. */ |
252b5132 RH |
3701 | break; |
3702 | case 'd': | |
3703 | the_ins.opcode[0] |= val << 9; | |
3704 | break; | |
afa2158f NS |
3705 | case 'E': |
3706 | the_ins.opcode[1] |= val << 9; | |
3707 | break; | |
252b5132 RH |
3708 | case '1': |
3709 | the_ins.opcode[1] |= val << 12; | |
3710 | break; | |
3711 | case '2': | |
3712 | the_ins.opcode[1] |= val << 6; | |
3713 | break; | |
3714 | case '3': | |
3715 | the_ins.opcode[1] |= val; | |
3716 | break; | |
3717 | case '4': | |
3718 | the_ins.opcode[2] |= val << 12; | |
3719 | break; | |
3720 | case '5': | |
3721 | the_ins.opcode[2] |= val << 6; | |
3722 | break; | |
3723 | case '6': | |
3724 | /* DANGER! This is a hack to force cas2l and cas2w cmds to be | |
3725 | three words long! */ | |
3726 | the_ins.numo++; | |
3727 | the_ins.opcode[2] |= val; | |
3728 | break; | |
3729 | case '7': | |
3730 | the_ins.opcode[1] |= val << 7; | |
3731 | break; | |
3732 | case '8': | |
3733 | the_ins.opcode[1] |= val << 10; | |
3734 | break; | |
3735 | #ifndef NO_68851 | |
3736 | case '9': | |
3737 | the_ins.opcode[1] |= val << 5; | |
3738 | break; | |
3739 | #endif | |
3740 | ||
3741 | case 't': | |
3742 | the_ins.opcode[1] |= (val << 10) | (val << 7); | |
3743 | break; | |
3744 | case 'D': | |
3745 | the_ins.opcode[1] |= (val << 12) | val; | |
3746 | break; | |
3747 | case 'g': | |
3748 | the_ins.opcode[0] |= val = 0xff; | |
3749 | break; | |
3750 | case 'i': | |
3751 | the_ins.opcode[0] |= val << 9; | |
3752 | break; | |
3753 | case 'C': | |
3754 | the_ins.opcode[1] |= val; | |
3755 | break; | |
3756 | case 'j': | |
3757 | the_ins.opcode[1] |= val; | |
36759679 | 3758 | the_ins.numo++; /* What a hack. */ |
252b5132 RH |
3759 | break; |
3760 | case 'k': | |
3761 | the_ins.opcode[1] |= val << 4; | |
3762 | break; | |
3763 | case 'b': | |
3764 | case 'w': | |
3765 | case 'W': | |
3766 | case 'l': | |
3767 | break; | |
3768 | case 'e': | |
3769 | the_ins.opcode[0] |= (val << 6); | |
3770 | break; | |
3771 | case 'L': | |
3772 | the_ins.opcode[1] = (val >> 16); | |
3773 | the_ins.opcode[2] = val & 0xffff; | |
3774 | break; | |
6da466c7 ILT |
3775 | case 'm': |
3776 | the_ins.opcode[0] |= ((val & 0x8) << (6 - 3)); | |
3777 | the_ins.opcode[0] |= ((val & 0x7) << 9); | |
3778 | the_ins.opcode[1] |= ((val & 0x10) << (7 - 4)); | |
3779 | break; | |
fd99574b | 3780 | case 'n': /* MAC/EMAC Rx on !load. */ |
6da466c7 ILT |
3781 | the_ins.opcode[0] |= ((val & 0x8) << (6 - 3)); |
3782 | the_ins.opcode[0] |= ((val & 0x7) << 9); | |
fd99574b | 3783 | the_ins.opcode[1] |= ((val & 0x10) << (7 - 4)); |
6da466c7 | 3784 | break; |
fd99574b | 3785 | case 'o': /* MAC/EMAC Rx on load. */ |
6da466c7 ILT |
3786 | the_ins.opcode[1] |= val << 12; |
3787 | the_ins.opcode[1] |= ((val & 0x10) << (7 - 4)); | |
3788 | break; | |
fd99574b | 3789 | case 'M': /* MAC/EMAC Ry on !load. */ |
6da466c7 ILT |
3790 | the_ins.opcode[0] |= (val & 0xF); |
3791 | the_ins.opcode[1] |= ((val & 0x10) << (6 - 4)); | |
3792 | break; | |
fd99574b | 3793 | case 'N': /* MAC/EMAC Ry on load. */ |
6da466c7 ILT |
3794 | the_ins.opcode[1] |= (val & 0xF); |
3795 | the_ins.opcode[1] |= ((val & 0x10) << (6 - 4)); | |
3796 | break; | |
3797 | case 'h': | |
3798 | the_ins.opcode[1] |= ((val != 1) << 10); | |
3799 | break; | |
fd99574b NC |
3800 | case 'F': |
3801 | the_ins.opcode[0] |= ((val & 0x3) << 9); | |
3802 | break; | |
3803 | case 'f': | |
3804 | the_ins.opcode[0] |= ((val & 0x3) << 0); | |
3805 | break; | |
be8c092b | 3806 | case 'G': /* EMAC accumulator in a EMAC load instruction. */ |
fd99574b NC |
3807 | the_ins.opcode[0] |= ((~val & 0x1) << 7); |
3808 | the_ins.opcode[1] |= ((val & 0x2) << (4 - 1)); | |
3809 | break; | |
be8c092b | 3810 | case 'H': /* EMAC accumulator in a EMAC non-load instruction. */ |
fd99574b NC |
3811 | the_ins.opcode[0] |= ((val & 0x1) << 7); |
3812 | the_ins.opcode[1] |= ((val & 0x2) << (4 - 1)); | |
3813 | break; | |
3814 | case 'I': | |
3815 | the_ins.opcode[1] |= ((val & 0x3) << 9); | |
3816 | break; | |
3817 | case ']': | |
3818 | the_ins.opcode[0] |= (val & 0x1) <<10; | |
3819 | break; | |
252b5132 RH |
3820 | case 'c': |
3821 | default: | |
3822 | as_fatal (_("failed sanity check.")); | |
3823 | } | |
6b6e92f4 | 3824 | } |
252b5132 RH |
3825 | |
3826 | static void | |
31302357 | 3827 | install_gen_operand (int mode, int val) |
252b5132 RH |
3828 | { |
3829 | switch (mode) | |
3830 | { | |
fd99574b | 3831 | case '/': /* Special for mask loads for mac/msac insns with |
33eaf5de | 3832 | possible mask; trailing_ampersand set in bit 8. */ |
fd99574b NC |
3833 | the_ins.opcode[0] |= (val & 0x3f); |
3834 | the_ins.opcode[1] |= (((val & 0x100) >> 8) << 5); | |
3835 | break; | |
252b5132 RH |
3836 | case 's': |
3837 | the_ins.opcode[0] |= val; | |
3838 | break; | |
3839 | case 'd': | |
3840 | /* This is a kludge!!! */ | |
3841 | the_ins.opcode[0] |= (val & 0x07) << 9 | (val & 0x38) << 3; | |
3842 | break; | |
3843 | case 'b': | |
3844 | case 'w': | |
3845 | case 'l': | |
3846 | case 'f': | |
3847 | case 'F': | |
3848 | case 'x': | |
3849 | case 'p': | |
3850 | the_ins.opcode[0] |= val; | |
3851 | break; | |
36759679 | 3852 | /* more stuff goes here. */ |
252b5132 RH |
3853 | default: |
3854 | as_fatal (_("failed sanity check.")); | |
3855 | } | |
6b6e92f4 | 3856 | } |
252b5132 | 3857 | |
6b6e92f4 NC |
3858 | /* Verify that we have some number of paren pairs, do m68k_ip_op(), and |
3859 | then deal with the bitfield hack. */ | |
252b5132 RH |
3860 | |
3861 | static char * | |
31302357 | 3862 | crack_operand (char *str, struct m68k_op *opP) |
252b5132 | 3863 | { |
ed9e98c2 AM |
3864 | int parens; |
3865 | int c; | |
3866 | char *beg_str; | |
252b5132 RH |
3867 | int inquote = 0; |
3868 | ||
3869 | if (!str) | |
3870 | { | |
3871 | return str; | |
3872 | } | |
3873 | beg_str = str; | |
3874 | for (parens = 0; *str && (parens > 0 || inquote || notend (str)); str++) | |
3875 | { | |
3876 | if (! inquote) | |
3877 | { | |
3878 | if (*str == '(') | |
3879 | parens++; | |
3880 | else if (*str == ')') | |
3881 | { | |
3882 | if (!parens) | |
36759679 | 3883 | { /* ERROR. */ |
252b5132 RH |
3884 | opP->error = _("Extra )"); |
3885 | return str; | |
3886 | } | |
3887 | --parens; | |
3888 | } | |
3889 | } | |
3890 | if (flag_mri && *str == '\'') | |
3891 | inquote = ! inquote; | |
3892 | } | |
3893 | if (!*str && parens) | |
36759679 | 3894 | { /* ERROR. */ |
252b5132 RH |
3895 | opP->error = _("Missing )"); |
3896 | return str; | |
3897 | } | |
3898 | c = *str; | |
3899 | *str = '\0'; | |
3900 | if (m68k_ip_op (beg_str, opP) != 0) | |
3901 | { | |
3902 | *str = c; | |
3903 | return str; | |
3904 | } | |
3905 | *str = c; | |
3906 | if (c == '}') | |
36759679 | 3907 | c = *++str; /* JF bitfield hack. */ |
252b5132 RH |
3908 | if (c) |
3909 | { | |
3910 | c = *++str; | |
3911 | if (!c) | |
3912 | as_bad (_("Missing operand")); | |
3913 | } | |
3914 | ||
3915 | /* Detect MRI REG symbols and convert them to REGLSTs. */ | |
3916 | if (opP->mode == CONTROL && (int)opP->reg < 0) | |
3917 | { | |
3918 | opP->mode = REGLST; | |
3919 | opP->mask = ~(int)opP->reg; | |
3920 | opP->reg = 0; | |
3921 | } | |
3922 | ||
3923 | return str; | |
3924 | } | |
3925 | ||
3926 | /* This is the guts of the machine-dependent assembler. STR points to a | |
3927 | machine dependent instruction. This function is supposed to emit | |
3928 | the frags/bytes it assembles to. | |
3929 | */ | |
3930 | ||
3931 | static void | |
31302357 | 3932 | insert_reg (const char *regname, int regnum) |
252b5132 RH |
3933 | { |
3934 | char buf[100]; | |
3935 | int i; | |
3936 | ||
3937 | #ifdef REGISTER_PREFIX | |
3938 | if (!flag_reg_prefix_optional) | |
3939 | { | |
3940 | buf[0] = REGISTER_PREFIX; | |
3941 | strcpy (buf + 1, regname); | |
3942 | regname = buf; | |
3943 | } | |
3944 | #endif | |
3945 | ||
e01e1cee AM |
3946 | symbol_table_insert (symbol_new (regname, reg_section, |
3947 | &zero_address_frag, regnum)); | |
252b5132 RH |
3948 | |
3949 | for (i = 0; regname[i]; i++) | |
3882b010 | 3950 | buf[i] = TOUPPER (regname[i]); |
252b5132 RH |
3951 | buf[i] = '\0'; |
3952 | ||
e01e1cee AM |
3953 | symbol_table_insert (symbol_new (buf, reg_section, |
3954 | &zero_address_frag, regnum)); | |
252b5132 RH |
3955 | } |
3956 | ||
3957 | struct init_entry | |
3958 | { | |
3959 | const char *name; | |
3960 | int number; | |
3961 | }; | |
3962 | ||
3963 | static const struct init_entry init_table[] = | |
3964 | { | |
3965 | { "d0", DATA0 }, | |
3966 | { "d1", DATA1 }, | |
3967 | { "d2", DATA2 }, | |
3968 | { "d3", DATA3 }, | |
3969 | { "d4", DATA4 }, | |
3970 | { "d5", DATA5 }, | |
3971 | { "d6", DATA6 }, | |
3972 | { "d7", DATA7 }, | |
3973 | { "a0", ADDR0 }, | |
3974 | { "a1", ADDR1 }, | |
3975 | { "a2", ADDR2 }, | |
3976 | { "a3", ADDR3 }, | |
3977 | { "a4", ADDR4 }, | |
3978 | { "a5", ADDR5 }, | |
3979 | { "a6", ADDR6 }, | |
3980 | { "fp", ADDR6 }, | |
3981 | { "a7", ADDR7 }, | |
3982 | { "sp", ADDR7 }, | |
3983 | { "ssp", ADDR7 }, | |
3984 | { "fp0", FP0 }, | |
3985 | { "fp1", FP1 }, | |
3986 | { "fp2", FP2 }, | |
3987 | { "fp3", FP3 }, | |
3988 | { "fp4", FP4 }, | |
3989 | { "fp5", FP5 }, | |
3990 | { "fp6", FP6 }, | |
3991 | { "fp7", FP7 }, | |
3992 | { "fpi", FPI }, | |
3993 | { "fpiar", FPI }, | |
3994 | { "fpc", FPI }, | |
3995 | { "fps", FPS }, | |
3996 | { "fpsr", FPS }, | |
3997 | { "fpc", FPC }, | |
3998 | { "fpcr", FPC }, | |
3999 | { "control", FPC }, | |
4000 | { "status", FPS }, | |
4001 | { "iaddr", FPI }, | |
4002 | ||
4003 | { "cop0", COP0 }, | |
4004 | { "cop1", COP1 }, | |
4005 | { "cop2", COP2 }, | |
4006 | { "cop3", COP3 }, | |
4007 | { "cop4", COP4 }, | |
4008 | { "cop5", COP5 }, | |
4009 | { "cop6", COP6 }, | |
4010 | { "cop7", COP7 }, | |
4011 | { "pc", PC }, | |
4012 | { "zpc", ZPC }, | |
4013 | { "sr", SR }, | |
4014 | ||
4015 | { "ccr", CCR }, | |
4016 | { "cc", CCR }, | |
4017 | ||
6da466c7 | 4018 | { "acc", ACC }, |
fd99574b NC |
4019 | { "acc0", ACC }, |
4020 | { "acc1", ACC1 }, | |
4021 | { "acc2", ACC2 }, | |
4022 | { "acc3", ACC3 }, | |
4023 | { "accext01", ACCEXT01 }, | |
4024 | { "accext23", ACCEXT23 }, | |
6da466c7 ILT |
4025 | { "macsr", MACSR }, |
4026 | { "mask", MASK }, | |
4027 | ||
36759679 NC |
4028 | /* Control registers. */ |
4029 | { "sfc", SFC }, /* Source Function Code. */ | |
252b5132 | 4030 | { "sfcr", SFC }, |
36759679 | 4031 | { "dfc", DFC }, /* Destination Function Code. */ |
252b5132 | 4032 | { "dfcr", DFC }, |
36759679 NC |
4033 | { "cacr", CACR }, /* Cache Control Register. */ |
4034 | { "caar", CAAR }, /* Cache Address Register. */ | |
87298967 | 4035 | { "cpucr", CPUCR }, /* CPU Control Register. */ |
252b5132 | 4036 | |
36759679 NC |
4037 | { "usp", USP }, /* User Stack Pointer. */ |
4038 | { "vbr", VBR }, /* Vector Base Register. */ | |
4039 | { "msp", MSP }, /* Master Stack Pointer. */ | |
4040 | { "isp", ISP }, /* Interrupt Stack Pointer. */ | |
252b5132 | 4041 | |
36759679 NC |
4042 | { "itt0", ITT0 }, /* Instruction Transparent Translation Reg 0. */ |
4043 | { "itt1", ITT1 }, /* Instruction Transparent Translation Reg 1. */ | |
4044 | { "dtt0", DTT0 }, /* Data Transparent Translation Register 0. */ | |
4045 | { "dtt1", DTT1 }, /* Data Transparent Translation Register 1. */ | |
252b5132 RH |
4046 | |
4047 | /* 68ec040 versions of same */ | |
36759679 NC |
4048 | { "iacr0", ITT0 }, /* Instruction Access Control Register 0. */ |
4049 | { "iacr1", ITT1 }, /* Instruction Access Control Register 0. */ | |
4050 | { "dacr0", DTT0 }, /* Data Access Control Register 0. */ | |
4051 | { "dacr1", DTT1 }, /* Data Access Control Register 0. */ | |
252b5132 | 4052 | |
a8e24a56 | 4053 | /* Coldfire versions of same. The ColdFire programmer's reference |
252b5132 RH |
4054 | manual indicated that the order is 2,3,0,1, but Ken Rose |
4055 | <rose@netcom.com> says that 0,1,2,3 is the correct order. */ | |
3e602632 NC |
4056 | { "acr0", ACR0 }, /* Access Control Unit 0. */ |
4057 | { "acr1", ACR1 }, /* Access Control Unit 1. */ | |
4058 | { "acr2", ACR2 }, /* Access Control Unit 2. */ | |
4059 | { "acr3", ACR3 }, /* Access Control Unit 3. */ | |
0d999f33 MK |
4060 | { "acr4", ACR4 }, /* Access Control Unit 4. */ |
4061 | { "acr5", ACR5 }, /* Access Control Unit 5. */ | |
4062 | { "acr6", ACR6 }, /* Access Control Unit 6. */ | |
4063 | { "acr7", ACR7 }, /* Access Control Unit 7. */ | |
252b5132 | 4064 | |
36759679 | 4065 | { "tc", TC }, /* MMU Translation Control Register. */ |
252b5132 | 4066 | { "tcr", TC }, |
a8e24a56 | 4067 | { "asid", ASID }, |
252b5132 | 4068 | |
36759679 NC |
4069 | { "mmusr", MMUSR }, /* MMU Status Register. */ |
4070 | { "srp", SRP }, /* User Root Pointer. */ | |
4071 | { "urp", URP }, /* Supervisor Root Pointer. */ | |
252b5132 RH |
4072 | |
4073 | { "buscr", BUSCR }, | |
a8e24a56 | 4074 | { "mmubar", MMUBAR }, |
252b5132 RH |
4075 | { "pcr", PCR }, |
4076 | ||
36759679 NC |
4077 | { "rombar", ROMBAR }, /* ROM Base Address Register. */ |
4078 | { "rambar0", RAMBAR0 }, /* ROM Base Address Register. */ | |
4079 | { "rambar1", RAMBAR1 }, /* ROM Base Address Register. */ | |
4080 | { "mbar", MBAR }, /* Module Base Address Register. */ | |
3e602632 NC |
4081 | |
4082 | { "mbar0", MBAR0 }, /* mcfv4e registers. */ | |
4083 | { "mbar1", MBAR1 }, /* mcfv4e registers. */ | |
a8e24a56 | 4084 | { "rombar0", ROMBAR0 }, /* mcfv4e registers. */ |
3e602632 NC |
4085 | { "rombar1", ROMBAR1 }, /* mcfv4e registers. */ |
4086 | { "mpcr", MPCR }, /* mcfv4e registers. */ | |
4087 | { "edrambar", EDRAMBAR }, /* mcfv4e registers. */ | |
4088 | { "secmbar", SECMBAR }, /* mcfv4e registers. */ | |
4089 | { "asid", TC }, /* mcfv4e registers. */ | |
4090 | { "mmubar", BUSCR }, /* mcfv4e registers. */ | |
4091 | { "pcr1u0", PCR1U0 }, /* mcfv4e registers. */ | |
4092 | { "pcr1l0", PCR1L0 }, /* mcfv4e registers. */ | |
4093 | { "pcr2u0", PCR2U0 }, /* mcfv4e registers. */ | |
4094 | { "pcr2l0", PCR2L0 }, /* mcfv4e registers. */ | |
4095 | { "pcr3u0", PCR3U0 }, /* mcfv4e registers. */ | |
4096 | { "pcr3l0", PCR3L0 }, /* mcfv4e registers. */ | |
4097 | { "pcr1u1", PCR1U1 }, /* mcfv4e registers. */ | |
4098 | { "pcr1l1", PCR1L1 }, /* mcfv4e registers. */ | |
4099 | { "pcr2u1", PCR2U1 }, /* mcfv4e registers. */ | |
4100 | { "pcr2l1", PCR2L1 }, /* mcfv4e registers. */ | |
4101 | { "pcr3u1", PCR3U1 }, /* mcfv4e registers. */ | |
4102 | { "pcr3l1", PCR3L1 }, /* mcfv4e registers. */ | |
4103 | ||
4104 | { "flashbar", FLASHBAR }, /* mcf528x registers. */ | |
4105 | { "rambar", RAMBAR }, /* mcf528x registers. */ | |
e80e0390 NC |
4106 | |
4107 | { "mbar2", MBAR2 }, /* mcf5249 registers. */ | |
f7ec513b | 4108 | |
0d999f33 MK |
4109 | { "rgpiobar", RGPIOBAR }, /* mcf54418 registers. */ |
4110 | ||
f7ec513b | 4111 | { "cac", CAC }, /* fido registers. */ |
d0fa1372 KH |
4112 | { "mbb", MBO }, /* fido registers (obsolete). */ |
4113 | { "mbo", MBO }, /* fido registers. */ | |
36759679 | 4114 | /* End of control registers. */ |
252b5132 RH |
4115 | |
4116 | { "ac", AC }, | |
4117 | { "bc", BC }, | |
4118 | { "cal", CAL }, | |
4119 | { "crp", CRP }, | |
4120 | { "drp", DRP }, | |
4121 | { "pcsr", PCSR }, | |
4122 | { "psr", PSR }, | |
4123 | { "scc", SCC }, | |
4124 | { "val", VAL }, | |
4125 | { "bad0", BAD0 }, | |
4126 | { "bad1", BAD1 }, | |
4127 | { "bad2", BAD2 }, | |
4128 | { "bad3", BAD3 }, | |
4129 | { "bad4", BAD4 }, | |
4130 | { "bad5", BAD5 }, | |
4131 | { "bad6", BAD6 }, | |
4132 | { "bad7", BAD7 }, | |
4133 | { "bac0", BAC0 }, | |
4134 | { "bac1", BAC1 }, | |
4135 | { "bac2", BAC2 }, | |
4136 | { "bac3", BAC3 }, | |
4137 | { "bac4", BAC4 }, | |
4138 | { "bac5", BAC5 }, | |
4139 | { "bac6", BAC6 }, | |
4140 | { "bac7", BAC7 }, | |
4141 | ||
4142 | { "ic", IC }, | |
4143 | { "dc", DC }, | |
4144 | { "nc", NC }, | |
4145 | ||
4146 | { "tt0", TT0 }, | |
4147 | { "tt1", TT1 }, | |
36759679 | 4148 | /* 68ec030 versions of same. */ |
252b5132 RH |
4149 | { "ac0", TT0 }, |
4150 | { "ac1", TT1 }, | |
36759679 | 4151 | /* 68ec030 access control unit, identical to 030 MMU status reg. */ |
252b5132 RH |
4152 | { "acusr", PSR }, |
4153 | ||
4154 | /* Suppressed data and address registers. */ | |
4155 | { "zd0", ZDATA0 }, | |
4156 | { "zd1", ZDATA1 }, | |
4157 | { "zd2", ZDATA2 }, | |
4158 | { "zd3", ZDATA3 }, | |
4159 | { "zd4", ZDATA4 }, | |
4160 | { "zd5", ZDATA5 }, | |
4161 | { "zd6", ZDATA6 }, | |
4162 | { "zd7", ZDATA7 }, | |
4163 | { "za0", ZADDR0 }, | |
4164 | { "za1", ZADDR1 }, | |
4165 | { "za2", ZADDR2 }, | |
4166 | { "za3", ZADDR3 }, | |
4167 | { "za4", ZADDR4 }, | |
4168 | { "za5", ZADDR5 }, | |
4169 | { "za6", ZADDR6 }, | |
4170 | { "za7", ZADDR7 }, | |
4171 | ||
92774660 | 4172 | /* Upper and lower data and address registers, used by macw and msacw. */ |
6da466c7 ILT |
4173 | { "d0l", DATA0L }, |
4174 | { "d1l", DATA1L }, | |
4175 | { "d2l", DATA2L }, | |
4176 | { "d3l", DATA3L }, | |
4177 | { "d4l", DATA4L }, | |
4178 | { "d5l", DATA5L }, | |
4179 | { "d6l", DATA6L }, | |
4180 | { "d7l", DATA7L }, | |
4181 | ||
4182 | { "a0l", ADDR0L }, | |
4183 | { "a1l", ADDR1L }, | |
4184 | { "a2l", ADDR2L }, | |
4185 | { "a3l", ADDR3L }, | |
4186 | { "a4l", ADDR4L }, | |
4187 | { "a5l", ADDR5L }, | |
4188 | { "a6l", ADDR6L }, | |
4189 | { "a7l", ADDR7L }, | |
4190 | ||
4191 | { "d0u", DATA0U }, | |
4192 | { "d1u", DATA1U }, | |
4193 | { "d2u", DATA2U }, | |
4194 | { "d3u", DATA3U }, | |
4195 | { "d4u", DATA4U }, | |
4196 | { "d5u", DATA5U }, | |
4197 | { "d6u", DATA6U }, | |
4198 | { "d7u", DATA7U }, | |
4199 | ||
4200 | { "a0u", ADDR0U }, | |
4201 | { "a1u", ADDR1U }, | |
4202 | { "a2u", ADDR2U }, | |
4203 | { "a3u", ADDR3U }, | |
4204 | { "a4u", ADDR4U }, | |
4205 | { "a5u", ADDR5U }, | |
4206 | { "a6u", ADDR6U }, | |
4207 | { "a7u", ADDR7U }, | |
4208 | ||
252b5132 RH |
4209 | { 0, 0 } |
4210 | }; | |
4211 | ||
4212 | static void | |
31302357 | 4213 | init_regtable (void) |
252b5132 RH |
4214 | { |
4215 | int i; | |
4216 | for (i = 0; init_table[i].name; i++) | |
4217 | insert_reg (init_table[i].name, init_table[i].number); | |
4218 | } | |
4219 | ||
252b5132 | 4220 | void |
31302357 | 4221 | md_assemble (char *str) |
252b5132 RH |
4222 | { |
4223 | const char *er; | |
4224 | short *fromP; | |
4225 | char *toP = NULL; | |
4226 | int m, n = 0; | |
4227 | char *to_beg_P; | |
4228 | int shorts_this_frag; | |
4229 | fixS *fixP; | |
4230 | ||
266abb8f NS |
4231 | if (!selected_cpu && !selected_arch) |
4232 | { | |
4233 | /* We've not selected an architecture yet. Set the default | |
4234 | now. We do this lazily so that an initial .cpu or .arch directive | |
4235 | can specify. */ | |
4236 | if (!m68k_set_cpu (TARGET_CPU, 1, 1)) | |
4237 | as_bad (_("unrecognized default cpu `%s'"), TARGET_CPU); | |
4238 | } | |
4239 | if (!initialized) | |
4240 | m68k_init_arch (); | |
3739860c | 4241 | |
252b5132 RH |
4242 | /* In MRI mode, the instruction and operands are separated by a |
4243 | space. Anything following the operands is a comment. The label | |
4244 | has already been removed. */ | |
4245 | if (flag_mri) | |
4246 | { | |
4247 | char *s; | |
4248 | int fields = 0; | |
4249 | int infield = 0; | |
4250 | int inquote = 0; | |
4251 | ||
4252 | for (s = str; *s != '\0'; s++) | |
4253 | { | |
4254 | if ((*s == ' ' || *s == '\t') && ! inquote) | |
4255 | { | |
4256 | if (infield) | |
4257 | { | |
4258 | ++fields; | |
4259 | if (fields >= 2) | |
4260 | { | |
4261 | *s = '\0'; | |
4262 | break; | |
4263 | } | |
4264 | infield = 0; | |
4265 | } | |
4266 | } | |
4267 | else | |
4268 | { | |
4269 | if (! infield) | |
4270 | infield = 1; | |
4271 | if (*s == '\'') | |
4272 | inquote = ! inquote; | |
4273 | } | |
4274 | } | |
4275 | } | |
4276 | ||
31302357 | 4277 | memset (&the_ins, '\0', sizeof (the_ins)); |
252b5132 RH |
4278 | m68k_ip (str); |
4279 | er = the_ins.error; | |
4280 | if (!er) | |
4281 | { | |
4282 | for (n = 0; n < the_ins.numargs; n++) | |
4283 | if (the_ins.operands[n].error) | |
4284 | { | |
4285 | er = the_ins.operands[n].error; | |
4286 | break; | |
4287 | } | |
4288 | } | |
4289 | if (er) | |
4290 | { | |
4291 | as_bad (_("%s -- statement `%s' ignored"), er, str); | |
4292 | return; | |
4293 | } | |
4294 | ||
4295 | /* If there is a current label, record that it marks an instruction. */ | |
4296 | if (current_label != NULL) | |
4297 | { | |
4298 | current_label->text = 1; | |
4299 | current_label = NULL; | |
4300 | } | |
4301 | ||
f27a3839 AS |
4302 | /* Tie dwarf2 debug info to the address at the start of the insn. */ |
4303 | dwarf2_emit_insn (0); | |
f27a3839 | 4304 | |
252b5132 RH |
4305 | if (the_ins.nfrag == 0) |
4306 | { | |
36759679 | 4307 | /* No frag hacking involved; just put it out. */ |
252b5132 RH |
4308 | toP = frag_more (2 * the_ins.numo); |
4309 | fromP = &the_ins.opcode[0]; | |
4310 | for (m = the_ins.numo; m; --m) | |
4311 | { | |
4312 | md_number_to_chars (toP, (long) (*fromP), 2); | |
4313 | toP += 2; | |
4314 | fromP++; | |
4315 | } | |
36759679 | 4316 | /* Put out symbol-dependent info. */ |
252b5132 RH |
4317 | for (m = 0; m < the_ins.nrel; m++) |
4318 | { | |
4319 | switch (the_ins.reloc[m].wid) | |
4320 | { | |
4321 | case 'B': | |
4322 | n = 1; | |
4323 | break; | |
4324 | case 'b': | |
4325 | n = 1; | |
4326 | break; | |
4327 | case '3': | |
4328 | n = 1; | |
4329 | break; | |
4330 | case 'w': | |
4331 | case 'W': | |
4332 | n = 2; | |
4333 | break; | |
4334 | case 'l': | |
4335 | n = 4; | |
4336 | break; | |
4337 | default: | |
33eaf5de | 4338 | as_fatal (_("Don't know how to figure out width of %c in md_assemble()"), |
252b5132 RH |
4339 | the_ins.reloc[m].wid); |
4340 | } | |
4341 | ||
4342 | fixP = fix_new_exp (frag_now, | |
4343 | ((toP - frag_now->fr_literal) | |
4344 | - the_ins.numo * 2 + the_ins.reloc[m].n), | |
4345 | n, | |
4346 | &the_ins.reloc[m].exp, | |
4347 | the_ins.reloc[m].pcrel, | |
4348 | get_reloc_code (n, the_ins.reloc[m].pcrel, | |
4349 | the_ins.reloc[m].pic_reloc)); | |
4350 | fixP->fx_pcrel_adjust = the_ins.reloc[m].pcrel_fix; | |
4351 | if (the_ins.reloc[m].wid == 'B') | |
4352 | fixP->fx_signed = 1; | |
4353 | } | |
4354 | return; | |
4355 | } | |
4356 | ||
36759679 | 4357 | /* There's some frag hacking. */ |
fbe572f9 AM |
4358 | { |
4359 | /* Calculate the max frag size. */ | |
4360 | int wid; | |
4361 | ||
4362 | wid = 2 * the_ins.fragb[0].fragoff; | |
4363 | for (n = 1; n < the_ins.nfrag; n++) | |
4364 | wid += 2 * (the_ins.numo - the_ins.fragb[n - 1].fragoff); | |
4365 | /* frag_var part. */ | |
cac27205 | 4366 | wid += FRAG_VAR_SIZE; |
fbe572f9 AM |
4367 | /* Make sure the whole insn fits in one chunk, in particular that |
4368 | the var part is attached, as we access one byte before the | |
4369 | variable frag for byte branches. */ | |
4370 | frag_grow (wid); | |
4371 | } | |
4372 | ||
252b5132 RH |
4373 | for (n = 0, fromP = &the_ins.opcode[0]; n < the_ins.nfrag; n++) |
4374 | { | |
4375 | int wid; | |
4376 | ||
4377 | if (n == 0) | |
4378 | wid = 2 * the_ins.fragb[n].fragoff; | |
4379 | else | |
4380 | wid = 2 * (the_ins.numo - the_ins.fragb[n - 1].fragoff); | |
4381 | toP = frag_more (wid); | |
4382 | to_beg_P = toP; | |
4383 | shorts_this_frag = 0; | |
4384 | for (m = wid / 2; m; --m) | |
4385 | { | |
4386 | md_number_to_chars (toP, (long) (*fromP), 2); | |
4387 | toP += 2; | |
4388 | fromP++; | |
4389 | shorts_this_frag++; | |
4390 | } | |
4391 | for (m = 0; m < the_ins.nrel; m++) | |
4392 | { | |
4393 | if ((the_ins.reloc[m].n) >= 2 * shorts_this_frag) | |
4394 | { | |
4395 | the_ins.reloc[m].n -= 2 * shorts_this_frag; | |
4396 | break; | |
4397 | } | |
4398 | wid = the_ins.reloc[m].wid; | |
4399 | if (wid == 0) | |
4400 | continue; | |
4401 | the_ins.reloc[m].wid = 0; | |
4402 | wid = (wid == 'b') ? 1 : (wid == 'w') ? 2 : (wid == 'l') ? 4 : 4000; | |
4403 | ||
4404 | fixP = fix_new_exp (frag_now, | |
4405 | ((toP - frag_now->fr_literal) | |
4406 | - the_ins.numo * 2 + the_ins.reloc[m].n), | |
4407 | wid, | |
4408 | &the_ins.reloc[m].exp, | |
4409 | the_ins.reloc[m].pcrel, | |
4410 | get_reloc_code (wid, the_ins.reloc[m].pcrel, | |
4411 | the_ins.reloc[m].pic_reloc)); | |
4412 | fixP->fx_pcrel_adjust = the_ins.reloc[m].pcrel_fix; | |
4413 | } | |
cac27205 | 4414 | (void) frag_var (rs_machine_dependent, FRAG_VAR_SIZE, 0, |
252b5132 RH |
4415 | (relax_substateT) (the_ins.fragb[n].fragty), |
4416 | the_ins.fragb[n].fadd, the_ins.fragb[n].foff, to_beg_P); | |
4417 | } | |
28a0da39 AM |
4418 | gas_assert (the_ins.nfrag >= 1); |
4419 | n = the_ins.numo - the_ins.fragb[the_ins.nfrag - 1].fragoff; | |
252b5132 RH |
4420 | shorts_this_frag = 0; |
4421 | if (n) | |
4422 | { | |
055d1eb0 | 4423 | toP = frag_more (n * 2); |
252b5132 RH |
4424 | while (n--) |
4425 | { | |
4426 | md_number_to_chars (toP, (long) (*fromP), 2); | |
4427 | toP += 2; | |
4428 | fromP++; | |
4429 | shorts_this_frag++; | |
4430 | } | |
4431 | } | |
4432 | for (m = 0; m < the_ins.nrel; m++) | |
4433 | { | |
4434 | int wid; | |
4435 | ||
4436 | wid = the_ins.reloc[m].wid; | |
4437 | if (wid == 0) | |
4438 | continue; | |
4439 | the_ins.reloc[m].wid = 0; | |
4440 | wid = (wid == 'b') ? 1 : (wid == 'w') ? 2 : (wid == 'l') ? 4 : 4000; | |
4441 | ||
4442 | fixP = fix_new_exp (frag_now, | |
4443 | ((the_ins.reloc[m].n + toP - frag_now->fr_literal) | |
4444 | - shorts_this_frag * 2), | |
4445 | wid, | |
4446 | &the_ins.reloc[m].exp, | |
4447 | the_ins.reloc[m].pcrel, | |
4448 | get_reloc_code (wid, the_ins.reloc[m].pcrel, | |
4449 | the_ins.reloc[m].pic_reloc)); | |
4450 | fixP->fx_pcrel_adjust = the_ins.reloc[m].pcrel_fix; | |
4451 | } | |
4452 | } | |
4453 | ||
60fed2d3 NC |
4454 | /* Comparison function used by qsort to rank the opcode entries by name. */ |
4455 | ||
4456 | static int | |
4457 | m68k_compare_opcode (const void * v1, const void * v2) | |
4458 | { | |
4459 | struct m68k_opcode * op1, * op2; | |
4460 | int ret; | |
4461 | ||
03b13e59 NC |
4462 | if (v1 == v2) |
4463 | return 0; | |
4464 | ||
60fed2d3 NC |
4465 | op1 = *(struct m68k_opcode **) v1; |
4466 | op2 = *(struct m68k_opcode **) v2; | |
4467 | ||
4468 | /* Compare the two names. If different, return the comparison. | |
4469 | If the same, return the order they are in the opcode table. */ | |
4470 | ret = strcmp (op1->name, op2->name); | |
4471 | if (ret) | |
4472 | return ret; | |
4473 | if (op1 < op2) | |
4474 | return -1; | |
03b13e59 | 4475 | return 1; |
60fed2d3 NC |
4476 | } |
4477 | ||
252b5132 | 4478 | void |
60fed2d3 | 4479 | md_begin (void) |
252b5132 | 4480 | { |
60fed2d3 NC |
4481 | const struct m68k_opcode *ins; |
4482 | struct m68k_incant *hack, *slak; | |
60fed2d3 NC |
4483 | int i; |
4484 | ||
4485 | /* Set up hash tables with 68000 instructions. | |
4486 | similar to what the vax assembler does. */ | |
252b5132 RH |
4487 | /* RMS claims the thing to do is take the m68k-opcode.h table, and make |
4488 | a copy of it at runtime, adding in the information we want but isn't | |
4489 | there. I think it'd be better to have an awk script hack the table | |
4490 | at compile time. Or even just xstr the table and use it as-is. But | |
4491 | my lord ghod hath spoken, so we do it this way. Excuse the ugly var | |
4492 | names. */ | |
4493 | ||
252b5132 RH |
4494 | if (flag_mri) |
4495 | { | |
4496 | flag_reg_prefix_optional = 1; | |
4497 | m68k_abspcadd = 1; | |
4498 | if (! m68k_rel32_from_cmdline) | |
4499 | m68k_rel32 = 0; | |
4500 | } | |
4501 | ||
2b0f3761 | 4502 | /* First sort the opcode table into alphabetical order to separate |
60fed2d3 NC |
4503 | the order that the assembler wants to see the opcodes from the |
4504 | order that the disassembler wants to see them. */ | |
325801bd | 4505 | m68k_sorted_opcodes = XNEWVEC (const struct m68k_opcode *, m68k_numopcodes); |
60fed2d3 NC |
4506 | |
4507 | for (i = m68k_numopcodes; i--;) | |
4508 | m68k_sorted_opcodes[i] = m68k_opcodes + i; | |
4509 | ||
4510 | qsort (m68k_sorted_opcodes, m68k_numopcodes, | |
4511 | sizeof (m68k_sorted_opcodes[0]), m68k_compare_opcode); | |
4512 | ||
629310ab | 4513 | op_hash = str_htab_create (); |
252b5132 RH |
4514 | |
4515 | obstack_begin (&robyn, 4000); | |
4516 | for (i = 0; i < m68k_numopcodes; i++) | |
4517 | { | |
aff7ae12 | 4518 | hack = slak = XOBNEW (&robyn, struct m68k_incant); |
252b5132 RH |
4519 | do |
4520 | { | |
60fed2d3 NC |
4521 | ins = m68k_sorted_opcodes[i]; |
4522 | ||
afa2158f NS |
4523 | /* We must enter all insns into the table, because .arch and |
4524 | .cpu directives can change things. */ | |
252b5132 | 4525 | slak->m_operands = ins->args; |
252b5132 RH |
4526 | slak->m_arch = ins->arch; |
4527 | slak->m_opcode = ins->opcode; | |
3739860c | 4528 | |
afa2158f NS |
4529 | /* In most cases we can determine the number of opcode words |
4530 | by checking the second word of the mask. Unfortunately | |
4531 | some instructions have 2 opcode words, but no fixed bits | |
4532 | in the second word. A leading dot in the operands | |
4533 | string also indicates 2 opcodes. */ | |
4534 | if (*slak->m_operands == '.') | |
4535 | { | |
4536 | slak->m_operands++; | |
4537 | slak->m_codenum = 2; | |
4538 | } | |
4539 | else if (ins->match & 0xffffL) | |
4540 | slak->m_codenum = 2; | |
4541 | else | |
4542 | slak->m_codenum = 1; | |
4543 | slak->m_opnum = strlen (slak->m_operands) / 2; | |
3739860c | 4544 | |
252b5132 | 4545 | if (i + 1 != m68k_numopcodes |
60fed2d3 | 4546 | && !strcmp (ins->name, m68k_sorted_opcodes[i + 1]->name)) |
252b5132 | 4547 | { |
aff7ae12 | 4548 | slak->m_next = XOBNEW (&robyn, struct m68k_incant); |
252b5132 RH |
4549 | i++; |
4550 | } | |
4551 | else | |
4552 | slak->m_next = 0; | |
4553 | slak = slak->m_next; | |
4554 | } | |
4555 | while (slak); | |
4556 | ||
fe0e921f AM |
4557 | if (str_hash_insert (op_hash, ins->name, hack, 0) != NULL) |
4558 | as_fatal (_("duplicate %s"), ins->name); | |
252b5132 RH |
4559 | } |
4560 | ||
4561 | for (i = 0; i < m68k_numaliases; i++) | |
4562 | { | |
4563 | const char *name = m68k_opcode_aliases[i].primary; | |
4564 | const char *alias = m68k_opcode_aliases[i].alias; | |
fe0e921f | 4565 | void *val = (void *) str_hash_find (op_hash, name); |
60fed2d3 | 4566 | |
252b5132 RH |
4567 | if (!val) |
4568 | as_fatal (_("Internal Error: Can't find %s in hash table"), name); | |
fe0e921f AM |
4569 | if (str_hash_insert (op_hash, alias, val, 0) != NULL) |
4570 | as_fatal (_("duplicate %s"), alias); | |
252b5132 RH |
4571 | } |
4572 | ||
4573 | /* In MRI mode, all unsized branches are variable sized. Normally, | |
4574 | they are word sized. */ | |
4575 | if (flag_mri) | |
4576 | { | |
4577 | static struct m68k_opcode_alias mri_aliases[] = | |
4578 | { | |
4579 | { "bhi", "jhi", }, | |
4580 | { "bls", "jls", }, | |
4581 | { "bcc", "jcc", }, | |
4582 | { "bcs", "jcs", }, | |
4583 | { "bne", "jne", }, | |
4584 | { "beq", "jeq", }, | |
4585 | { "bvc", "jvc", }, | |
4586 | { "bvs", "jvs", }, | |
4587 | { "bpl", "jpl", }, | |
4588 | { "bmi", "jmi", }, | |
4589 | { "bge", "jge", }, | |
4590 | { "blt", "jlt", }, | |
4591 | { "bgt", "jgt", }, | |
4592 | { "ble", "jle", }, | |
4593 | { "bra", "jra", }, | |
4594 | { "bsr", "jbsr", }, | |
4595 | }; | |
4596 | ||
8fce3f5e AM |
4597 | for (i = 0; |
4598 | i < (int) (sizeof mri_aliases / sizeof mri_aliases[0]); | |
4599 | i++) | |
252b5132 RH |
4600 | { |
4601 | const char *name = mri_aliases[i].primary; | |
4602 | const char *alias = mri_aliases[i].alias; | |
fe0e921f | 4603 | void *val = (void *) str_hash_find (op_hash, name); |
60fed2d3 | 4604 | |
252b5132 RH |
4605 | if (!val) |
4606 | as_fatal (_("Internal Error: Can't find %s in hash table"), name); | |
fe0e921f | 4607 | str_hash_insert (op_hash, alias, val, 1); |
252b5132 RH |
4608 | } |
4609 | } | |
4610 | ||
8fce3f5e | 4611 | for (i = 0; i < (int) sizeof (notend_table); i++) |
252b5132 RH |
4612 | { |
4613 | notend_table[i] = 0; | |
4614 | alt_notend_table[i] = 0; | |
4615 | } | |
60fed2d3 | 4616 | |
252b5132 RH |
4617 | notend_table[','] = 1; |
4618 | notend_table['{'] = 1; | |
4619 | notend_table['}'] = 1; | |
4620 | alt_notend_table['a'] = 1; | |
4621 | alt_notend_table['A'] = 1; | |
4622 | alt_notend_table['d'] = 1; | |
4623 | alt_notend_table['D'] = 1; | |
4624 | alt_notend_table['#'] = 1; | |
4625 | alt_notend_table['&'] = 1; | |
4626 | alt_notend_table['f'] = 1; | |
4627 | alt_notend_table['F'] = 1; | |
4628 | #ifdef REGISTER_PREFIX | |
4629 | alt_notend_table[REGISTER_PREFIX] = 1; | |
4630 | #endif | |
4631 | ||
4632 | /* We need to put '(' in alt_notend_table to handle | |
60fed2d3 | 4633 | cas2 %d0:%d2,%d3:%d4,(%a0):(%a1) */ |
252b5132 RH |
4634 | alt_notend_table['('] = 1; |
4635 | ||
4636 | /* We need to put '@' in alt_notend_table to handle | |
60fed2d3 | 4637 | cas2 %d0:%d2,%d3:%d4,@(%d0):@(%d1) */ |
252b5132 RH |
4638 | alt_notend_table['@'] = 1; |
4639 | ||
4640 | /* We need to put digits in alt_notend_table to handle | |
60fed2d3 | 4641 | bfextu %d0{24:1},%d0 */ |
252b5132 RH |
4642 | alt_notend_table['0'] = 1; |
4643 | alt_notend_table['1'] = 1; | |
4644 | alt_notend_table['2'] = 1; | |
4645 | alt_notend_table['3'] = 1; | |
4646 | alt_notend_table['4'] = 1; | |
4647 | alt_notend_table['5'] = 1; | |
4648 | alt_notend_table['6'] = 1; | |
4649 | alt_notend_table['7'] = 1; | |
4650 | alt_notend_table['8'] = 1; | |
4651 | alt_notend_table['9'] = 1; | |
4652 | ||
4653 | #ifndef MIT_SYNTAX_ONLY | |
4654 | /* Insert pseudo ops, these have to go into the opcode table since | |
36759679 | 4655 | gas expects pseudo ops to start with a dot. */ |
252b5132 RH |
4656 | { |
4657 | int n = 0; | |
60fed2d3 | 4658 | |
252b5132 RH |
4659 | while (mote_pseudo_table[n].poc_name) |
4660 | { | |
aff7ae12 | 4661 | hack = XOBNEW (&robyn, struct m68k_incant); |
629310ab | 4662 | str_hash_insert (op_hash, |
fe0e921f | 4663 | mote_pseudo_table[n].poc_name, hack, 0); |
252b5132 RH |
4664 | hack->m_operands = 0; |
4665 | hack->m_opnum = n; | |
4666 | n++; | |
4667 | } | |
4668 | } | |
4669 | #endif | |
4670 | ||
4671 | init_regtable (); | |
4672 | ||
252b5132 RH |
4673 | record_alignment (text_section, 2); |
4674 | record_alignment (data_section, 2); | |
4675 | record_alignment (bss_section, 2); | |
252b5132 RH |
4676 | } |
4677 | ||
252b5132 RH |
4678 | \f |
4679 | /* This is called when a label is defined. */ | |
4680 | ||
4681 | void | |
31302357 | 4682 | m68k_frob_label (symbolS *sym) |
252b5132 | 4683 | { |
c641fe0d | 4684 | struct m68k_tc_sy *n; |
252b5132 | 4685 | |
c641fe0d | 4686 | n = symbol_get_tc (sym); |
3b4dbbbf | 4687 | n->file = as_where (&n->line); |
252b5132 | 4688 | n->text = 0; |
252b5132 | 4689 | current_label = n; |
07a53e5c | 4690 | |
07a53e5c | 4691 | dwarf2_emit_label (sym); |
252b5132 RH |
4692 | } |
4693 | ||
4694 | /* This is called when a value that is not an instruction is emitted. */ | |
4695 | ||
4696 | void | |
31302357 | 4697 | m68k_flush_pending_output (void) |
252b5132 RH |
4698 | { |
4699 | current_label = NULL; | |
4700 | } | |
4701 | ||
4702 | /* This is called at the end of the assembly, when the final value of | |
4703 | the label is known. We warn if this is a text symbol aligned at an | |
4704 | odd location. */ | |
4705 | ||
4706 | void | |
31302357 | 4707 | m68k_frob_symbol (symbolS *sym) |
252b5132 RH |
4708 | { |
4709 | if (S_GET_SEGMENT (sym) == reg_section | |
4710 | && (int) S_GET_VALUE (sym) < 0) | |
4711 | { | |
4712 | S_SET_SEGMENT (sym, absolute_section); | |
4713 | S_SET_VALUE (sym, ~(int)S_GET_VALUE (sym)); | |
4714 | } | |
4715 | else if ((S_GET_VALUE (sym) & 1) != 0) | |
4716 | { | |
c641fe0d ST |
4717 | struct m68k_tc_sy *l; |
4718 | l = symbol_get_tc (sym); | |
252b5132 | 4719 | |
c641fe0d ST |
4720 | if (l->text) |
4721 | as_warn_where (l->file, l->line, | |
4722 | _("text label `%s' aligned to odd boundary"), | |
4723 | S_GET_NAME (sym)); | |
252b5132 RH |
4724 | } |
4725 | } | |
4726 | \f | |
4727 | /* This is called if we go in or out of MRI mode because of the .mri | |
4728 | pseudo-op. */ | |
4729 | ||
4730 | void | |
31302357 | 4731 | m68k_mri_mode_change (int on) |
252b5132 RH |
4732 | { |
4733 | if (on) | |
4734 | { | |
4735 | if (! flag_reg_prefix_optional) | |
4736 | { | |
4737 | flag_reg_prefix_optional = 1; | |
4738 | #ifdef REGISTER_PREFIX | |
4739 | init_regtable (); | |
4740 | #endif | |
4741 | } | |
4742 | m68k_abspcadd = 1; | |
4743 | if (! m68k_rel32_from_cmdline) | |
4744 | m68k_rel32 = 0; | |
4745 | } | |
4746 | else | |
4747 | { | |
4748 | if (! reg_prefix_optional_seen) | |
4749 | { | |
4750 | #ifdef REGISTER_PREFIX_OPTIONAL | |
4751 | flag_reg_prefix_optional = REGISTER_PREFIX_OPTIONAL; | |
4752 | #else | |
4753 | flag_reg_prefix_optional = 0; | |
4754 | #endif | |
4755 | #ifdef REGISTER_PREFIX | |
4756 | init_regtable (); | |
4757 | #endif | |
4758 | } | |
4759 | m68k_abspcadd = 0; | |
4760 | if (! m68k_rel32_from_cmdline) | |
4761 | m68k_rel32 = 1; | |
4762 | } | |
4763 | } | |
4764 | ||
6d4af3c2 | 4765 | const char * |
31302357 | 4766 | md_atof (int type, char *litP, int *sizeP) |
252b5132 | 4767 | { |
5b7c81bd | 4768 | return ieee_md_atof (type, litP, sizeP, true); |
252b5132 RH |
4769 | } |
4770 | ||
4771 | void | |
31302357 | 4772 | md_number_to_chars (char *buf, valueT val, int n) |
252b5132 RH |
4773 | { |
4774 | number_to_chars_bigendian (buf, val, n); | |
4775 | } | |
4776 | ||
94f592af | 4777 | void |
55cf6793 | 4778 | md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) |
252b5132 | 4779 | { |
bbe8ef22 | 4780 | offsetT val = *valP; |
252b5132 RH |
4781 | addressT upper_limit; |
4782 | offsetT lower_limit; | |
4783 | ||
4784 | /* This is unnecessary but it convinces the native rs6000 compiler | |
4785 | to generate the code we want. */ | |
4786 | char *buf = fixP->fx_frag->fr_literal; | |
4787 | buf += fixP->fx_where; | |
36759679 | 4788 | /* End ibm compiler workaround. */ |
252b5132 | 4789 | |
bd17c2c3 | 4790 | val = SEXT (val); |
252b5132 | 4791 | |
94f592af NC |
4792 | if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0) |
4793 | fixP->fx_done = 1; | |
4794 | ||
252b5132 RH |
4795 | if (fixP->fx_addsy) |
4796 | { | |
4797 | memset (buf, 0, fixP->fx_size); | |
36759679 | 4798 | fixP->fx_addnumber = val; /* Remember value for emit_reloc. */ |
252b5132 RH |
4799 | |
4800 | if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT | |
4801 | && !S_IS_DEFINED (fixP->fx_addsy) | |
4802 | && !S_IS_WEAK (fixP->fx_addsy)) | |
4803 | S_SET_WEAK (fixP->fx_addsy); | |
cf869cce NC |
4804 | |
4805 | switch (fixP->fx_r_type) | |
4806 | { | |
4807 | case BFD_RELOC_68K_TLS_GD32: | |
4808 | case BFD_RELOC_68K_TLS_GD16: | |
4809 | case BFD_RELOC_68K_TLS_GD8: | |
4810 | case BFD_RELOC_68K_TLS_LDM32: | |
4811 | case BFD_RELOC_68K_TLS_LDM16: | |
4812 | case BFD_RELOC_68K_TLS_LDM8: | |
4813 | case BFD_RELOC_68K_TLS_LDO32: | |
4814 | case BFD_RELOC_68K_TLS_LDO16: | |
4815 | case BFD_RELOC_68K_TLS_LDO8: | |
4816 | case BFD_RELOC_68K_TLS_IE32: | |
4817 | case BFD_RELOC_68K_TLS_IE16: | |
4818 | case BFD_RELOC_68K_TLS_IE8: | |
4819 | case BFD_RELOC_68K_TLS_LE32: | |
4820 | case BFD_RELOC_68K_TLS_LE16: | |
4821 | case BFD_RELOC_68K_TLS_LE8: | |
4822 | S_SET_THREAD_LOCAL (fixP->fx_addsy); | |
4823 | break; | |
4824 | ||
4825 | default: | |
4826 | break; | |
4827 | } | |
4828 | ||
252b5132 RH |
4829 | return; |
4830 | } | |
252b5132 | 4831 | |
252b5132 RH |
4832 | if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT |
4833 | || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY) | |
4834 | return; | |
252b5132 RH |
4835 | |
4836 | switch (fixP->fx_size) | |
4837 | { | |
94f592af NC |
4838 | /* The cast to offsetT below are necessary to make code |
4839 | correct for machines where ints are smaller than offsetT. */ | |
252b5132 RH |
4840 | case 1: |
4841 | *buf++ = val; | |
4842 | upper_limit = 0x7f; | |
4843 | lower_limit = - (offsetT) 0x80; | |
4844 | break; | |
4845 | case 2: | |
4846 | *buf++ = (val >> 8); | |
4847 | *buf++ = val; | |
4848 | upper_limit = 0x7fff; | |
4849 | lower_limit = - (offsetT) 0x8000; | |
4850 | break; | |
4851 | case 4: | |
4852 | *buf++ = (val >> 24); | |
4853 | *buf++ = (val >> 16); | |
4854 | *buf++ = (val >> 8); | |
4855 | *buf++ = val; | |
4856 | upper_limit = 0x7fffffff; | |
36759679 | 4857 | lower_limit = - (offsetT) 0x7fffffff - 1; /* Avoid constant overflow. */ |
252b5132 RH |
4858 | break; |
4859 | default: | |
4860 | BAD_CASE (fixP->fx_size); | |
4861 | } | |
4862 | ||
4863 | /* Fix up a negative reloc. */ | |
4864 | if (fixP->fx_addsy == NULL && fixP->fx_subsy != NULL) | |
4865 | { | |
4866 | fixP->fx_addsy = fixP->fx_subsy; | |
4867 | fixP->fx_subsy = NULL; | |
4868 | fixP->fx_tcbit = 1; | |
4869 | } | |
4870 | ||
4871 | /* For non-pc-relative values, it's conceivable we might get something | |
4872 | like "0xff" for a byte field. So extend the upper part of the range | |
4873 | to accept such numbers. We arbitrarily disallow "-0xff" or "0xff+0xff", | |
4874 | so that we can do any range checking at all. */ | |
4875 | if (! fixP->fx_pcrel && ! fixP->fx_signed) | |
4876 | upper_limit = upper_limit * 2 + 1; | |
4877 | ||
4878 | if ((addressT) val > upper_limit | |
4879 | && (val > 0 || val < lower_limit)) | |
2b878742 NS |
4880 | as_bad_where (fixP->fx_file, fixP->fx_line, |
4881 | _("value %ld out of range"), (long)val); | |
252b5132 RH |
4882 | |
4883 | /* A one byte PC-relative reloc means a short branch. We can't use | |
4884 | a short branch with a value of 0 or -1, because those indicate | |
4885 | different opcodes (branches with longer offsets). fixup_segment | |
4886 | in write.c may have clobbered fx_pcrel, so we need to examine the | |
4887 | reloc type. */ | |
4888 | if ((fixP->fx_pcrel | |
7be1c489 | 4889 | || fixP->fx_r_type == BFD_RELOC_8_PCREL) |
252b5132 RH |
4890 | && fixP->fx_size == 1 |
4891 | && (fixP->fx_addsy == NULL | |
4892 | || S_IS_DEFINED (fixP->fx_addsy)) | |
4893 | && (val == 0 || val == -1)) | |
2b878742 NS |
4894 | as_bad_where (fixP->fx_file, fixP->fx_line, |
4895 | _("invalid byte branch offset")); | |
252b5132 RH |
4896 | } |
4897 | ||
252b5132 RH |
4898 | /* *fragP has been relaxed to its final size, and now needs to have |
4899 | the bytes inside it modified to conform to the new size There is UGLY | |
4900 | MAGIC here. .. | |
4901 | */ | |
4902 | static void | |
31302357 | 4903 | md_convert_frag_1 (fragS *fragP) |
252b5132 RH |
4904 | { |
4905 | long disp; | |
2b878742 | 4906 | fixS *fixP = NULL; |
252b5132 RH |
4907 | |
4908 | /* Address in object code of the displacement. */ | |
ed9e98c2 | 4909 | int object_address = fragP->fr_fix + fragP->fr_address; |
252b5132 RH |
4910 | |
4911 | /* Address in gas core of the place to store the displacement. */ | |
4912 | /* This convinces the native rs6000 compiler to generate the code we | |
92774660 | 4913 | want. */ |
ed9e98c2 | 4914 | char *buffer_address = fragP->fr_literal; |
252b5132 | 4915 | buffer_address += fragP->fr_fix; |
36759679 | 4916 | /* End ibm compiler workaround. */ |
252b5132 RH |
4917 | |
4918 | /* The displacement of the address, from current location. */ | |
4919 | disp = fragP->fr_symbol ? S_GET_VALUE (fragP->fr_symbol) : 0; | |
4920 | disp = (disp + fragP->fr_offset) - object_address; | |
4921 | ||
252b5132 RH |
4922 | switch (fragP->fr_subtype) |
4923 | { | |
151337e8 NC |
4924 | case TAB (BRANCHBWL, BYTE): |
4925 | case TAB (BRABSJUNC, BYTE): | |
4926 | case TAB (BRABSJCOND, BYTE): | |
4927 | case TAB (BRANCHBW, BYTE): | |
cac27205 | 4928 | case TAB (BRANCHBWPL, BYTE): |
252b5132 RH |
4929 | know (issbyte (disp)); |
4930 | if (disp == 0) | |
b091f402 AM |
4931 | as_bad_where (fragP->fr_file, fragP->fr_line, |
4932 | _("short branch with zero offset: use :w")); | |
151337e8 | 4933 | fixP = fix_new (fragP, fragP->fr_fix - 1, 1, fragP->fr_symbol, |
5cbdaa77 | 4934 | fragP->fr_offset, 1, RELAX_RELOC_PC8); |
151337e8 | 4935 | fixP->fx_pcrel_adjust = -1; |
252b5132 | 4936 | break; |
151337e8 NC |
4937 | case TAB (BRANCHBWL, SHORT): |
4938 | case TAB (BRABSJUNC, SHORT): | |
4939 | case TAB (BRABSJCOND, SHORT): | |
4940 | case TAB (BRANCHBW, SHORT): | |
cac27205 | 4941 | case TAB (BRANCHBWPL, SHORT): |
252b5132 | 4942 | fragP->fr_opcode[1] = 0x00; |
2b878742 NS |
4943 | fixP = fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, |
4944 | fragP->fr_offset, 1, RELAX_RELOC_PC16); | |
151337e8 NC |
4945 | fragP->fr_fix += 2; |
4946 | break; | |
4947 | case TAB (BRANCHBWL, LONG): | |
4948 | fragP->fr_opcode[1] = (char) 0xFF; | |
2b878742 NS |
4949 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, |
4950 | fragP->fr_offset, 1, RELAX_RELOC_PC32); | |
151337e8 | 4951 | fragP->fr_fix += 4; |
252b5132 | 4952 | break; |
cac27205 NC |
4953 | case TAB (BRANCHBWPL, LONG): |
4954 | /* Here we are converting an unconditional branch into a pair of | |
4955 | conditional branches, in order to get the range. */ | |
4956 | fragP->fr_opcode[0] = 0x66; /* bne */ | |
4957 | fragP->fr_opcode[1] = 0xFF; | |
4958 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, | |
4959 | fragP->fr_offset, 1, RELAX_RELOC_PC32); | |
4960 | fixP->fx_file = fragP->fr_file; | |
4961 | fixP->fx_line = fragP->fr_line; | |
4962 | fragP->fr_fix += 4; /* Skip first offset */ | |
4963 | buffer_address += 4; | |
4964 | *buffer_address++ = 0x67; /* beq */ | |
4965 | *buffer_address++ = 0xff; | |
4966 | fragP->fr_fix += 2; /* Skip second branch opcode */ | |
4967 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, | |
4968 | fragP->fr_offset, 1, RELAX_RELOC_PC32); | |
4969 | fragP->fr_fix += 4; | |
4970 | break; | |
151337e8 NC |
4971 | case TAB (BRABSJUNC, LONG): |
4972 | if (fragP->fr_opcode[0] == 0x61) /* jbsr */ | |
252b5132 | 4973 | { |
36759679 | 4974 | if (flag_keep_pcrel) |
2b878742 NS |
4975 | as_bad_where (fragP->fr_file, fragP->fr_line, |
4976 | _("Conversion of PC relative BSR to absolute JSR")); | |
151337e8 | 4977 | fragP->fr_opcode[0] = 0x4E; |
36759679 | 4978 | fragP->fr_opcode[1] = (char) 0xB9; /* JSR with ABSL LONG operand. */ |
2b878742 NS |
4979 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, |
4980 | fragP->fr_offset, 0, RELAX_RELOC_ABS32); | |
151337e8 NC |
4981 | fragP->fr_fix += 4; |
4982 | } | |
4983 | else if (fragP->fr_opcode[0] == 0x60) /* jbra */ | |
4984 | { | |
36759679 | 4985 | if (flag_keep_pcrel) |
2b878742 NS |
4986 | as_bad_where (fragP->fr_file, fragP->fr_line, |
4987 | _("Conversion of PC relative branch to absolute jump")); | |
151337e8 | 4988 | fragP->fr_opcode[0] = 0x4E; |
36759679 | 4989 | fragP->fr_opcode[1] = (char) 0xF9; /* JMP with ABSL LONG operand. */ |
2b878742 NS |
4990 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, |
4991 | fragP->fr_offset, 0, RELAX_RELOC_ABS32); | |
151337e8 | 4992 | fragP->fr_fix += 4; |
252b5132 RH |
4993 | } |
4994 | else | |
4995 | { | |
151337e8 NC |
4996 | /* This cannot happen, because jbsr and jbra are the only two |
4997 | unconditional branches. */ | |
4998 | abort (); | |
252b5132 RH |
4999 | } |
5000 | break; | |
151337e8 | 5001 | case TAB (BRABSJCOND, LONG): |
36759679 | 5002 | if (flag_keep_pcrel) |
2b878742 NS |
5003 | as_bad_where (fragP->fr_file, fragP->fr_line, |
5004 | _("Conversion of PC relative conditional branch to absolute jump")); | |
92774660 | 5005 | |
36759679 NC |
5006 | /* Only Bcc 68000 instructions can come here |
5007 | Change bcc into b!cc/jmp absl long. */ | |
5008 | fragP->fr_opcode[0] ^= 0x01; /* Invert bcc. */ | |
5009 | fragP->fr_opcode[1] = 0x06; /* Branch offset = 6. */ | |
252b5132 RH |
5010 | |
5011 | /* JF: these used to be fr_opcode[2,3], but they may be in a | |
67c1ffbe | 5012 | different frag, in which case referring to them is a no-no. |
92774660 | 5013 | Only fr_opcode[0,1] are guaranteed to work. */ |
252b5132 RH |
5014 | *buffer_address++ = 0x4e; /* put in jmp long (0x4ef9) */ |
5015 | *buffer_address++ = (char) 0xf9; | |
36759679 | 5016 | fragP->fr_fix += 2; /* Account for jmp instruction. */ |
2b878742 NS |
5017 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, |
5018 | fragP->fr_offset, 0, RELAX_RELOC_ABS32); | |
151337e8 NC |
5019 | fragP->fr_fix += 4; |
5020 | break; | |
5021 | case TAB (FBRANCH, SHORT): | |
5022 | know ((fragP->fr_opcode[1] & 0x40) == 0); | |
2b878742 NS |
5023 | fixP = fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, |
5024 | fragP->fr_offset, 1, RELAX_RELOC_PC16); | |
151337e8 NC |
5025 | fragP->fr_fix += 2; |
5026 | break; | |
5027 | case TAB (FBRANCH, LONG): | |
36759679 | 5028 | fragP->fr_opcode[1] |= 0x40; /* Turn on LONG bit. */ |
2b878742 NS |
5029 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, |
5030 | fragP->fr_offset, 1, RELAX_RELOC_PC32); | |
252b5132 | 5031 | fragP->fr_fix += 4; |
252b5132 | 5032 | break; |
151337e8 NC |
5033 | case TAB (DBCCLBR, SHORT): |
5034 | case TAB (DBCCABSJ, SHORT): | |
2b878742 NS |
5035 | fixP = fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, |
5036 | fragP->fr_offset, 1, RELAX_RELOC_PC16); | |
151337e8 NC |
5037 | fragP->fr_fix += 2; |
5038 | break; | |
5039 | case TAB (DBCCLBR, LONG): | |
36759679 NC |
5040 | /* Only DBcc instructions can come here. |
5041 | Change dbcc into dbcc/bral. | |
5042 | JF: these used to be fr_opcode[2-7], but that's wrong. */ | |
36759679 | 5043 | *buffer_address++ = 0x00; /* Branch offset = 4. */ |
252b5132 | 5044 | *buffer_address++ = 0x04; |
36759679 | 5045 | *buffer_address++ = 0x60; /* Put in bra pc+6. */ |
252b5132 | 5046 | *buffer_address++ = 0x06; |
151337e8 NC |
5047 | *buffer_address++ = 0x60; /* Put in bral (0x60ff). */ |
5048 | *buffer_address++ = (char) 0xff; | |
252b5132 | 5049 | |
36759679 | 5050 | fragP->fr_fix += 6; /* Account for bra/jmp instructions. */ |
2b878742 NS |
5051 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, |
5052 | fragP->fr_offset, 1, RELAX_RELOC_PC32); | |
252b5132 | 5053 | fragP->fr_fix += 4; |
252b5132 | 5054 | break; |
151337e8 | 5055 | case TAB (DBCCABSJ, LONG): |
36759679 NC |
5056 | /* Only DBcc instructions can come here. |
5057 | Change dbcc into dbcc/jmp. | |
5058 | JF: these used to be fr_opcode[2-7], but that's wrong. */ | |
5059 | if (flag_keep_pcrel) | |
2b878742 NS |
5060 | as_bad_where (fragP->fr_file, fragP->fr_line, |
5061 | _("Conversion of PC relative conditional branch to absolute jump")); | |
151337e8 | 5062 | |
36759679 | 5063 | *buffer_address++ = 0x00; /* Branch offset = 4. */ |
151337e8 | 5064 | *buffer_address++ = 0x04; |
36759679 | 5065 | *buffer_address++ = 0x60; /* Put in bra pc + 6. */ |
151337e8 | 5066 | *buffer_address++ = 0x06; |
36759679 | 5067 | *buffer_address++ = 0x4e; /* Put in jmp long (0x4ef9). */ |
151337e8 NC |
5068 | *buffer_address++ = (char) 0xf9; |
5069 | ||
36759679 | 5070 | fragP->fr_fix += 6; /* Account for bra/jmp instructions. */ |
2b878742 NS |
5071 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, |
5072 | fragP->fr_offset, 0, RELAX_RELOC_ABS32); | |
252b5132 | 5073 | fragP->fr_fix += 4; |
252b5132 | 5074 | break; |
151337e8 | 5075 | case TAB (PCREL1632, SHORT): |
252b5132 RH |
5076 | fragP->fr_opcode[1] &= ~0x3F; |
5077 | fragP->fr_opcode[1] |= 0x3A; /* 072 - mode 7.2 */ | |
2b878742 NS |
5078 | fixP = fix_new (fragP, (int) (fragP->fr_fix), 2, fragP->fr_symbol, |
5079 | fragP->fr_offset, 1, RELAX_RELOC_PC16); | |
151337e8 | 5080 | fragP->fr_fix += 2; |
252b5132 | 5081 | break; |
151337e8 | 5082 | case TAB (PCREL1632, LONG): |
252b5132 RH |
5083 | /* Already set to mode 7.3; this indicates: PC indirect with |
5084 | suppressed index, 32-bit displacement. */ | |
5085 | *buffer_address++ = 0x01; | |
5086 | *buffer_address++ = 0x70; | |
5087 | fragP->fr_fix += 2; | |
151337e8 | 5088 | fixP = fix_new (fragP, (int) (fragP->fr_fix), 4, fragP->fr_symbol, |
5cbdaa77 | 5089 | fragP->fr_offset, 1, RELAX_RELOC_PC32); |
151337e8 NC |
5090 | fixP->fx_pcrel_adjust = 2; |
5091 | fragP->fr_fix += 4; | |
252b5132 | 5092 | break; |
252b5132 | 5093 | case TAB (PCINDEX, BYTE): |
9c2799c2 | 5094 | gas_assert (fragP->fr_fix >= 2); |
252b5132 | 5095 | buffer_address[-2] &= ~1; |
151337e8 | 5096 | fixP = fix_new (fragP, fragP->fr_fix - 1, 1, fragP->fr_symbol, |
5cbdaa77 | 5097 | fragP->fr_offset, 1, RELAX_RELOC_PC8); |
151337e8 | 5098 | fixP->fx_pcrel_adjust = 1; |
252b5132 RH |
5099 | break; |
5100 | case TAB (PCINDEX, SHORT): | |
9c2799c2 | 5101 | gas_assert (fragP->fr_fix >= 2); |
252b5132 RH |
5102 | buffer_address[-2] |= 0x1; |
5103 | buffer_address[-1] = 0x20; | |
5104 | fixP = fix_new (fragP, (int) (fragP->fr_fix), 2, fragP->fr_symbol, | |
5cbdaa77 | 5105 | fragP->fr_offset, 1, RELAX_RELOC_PC16); |
252b5132 | 5106 | fixP->fx_pcrel_adjust = 2; |
151337e8 | 5107 | fragP->fr_fix += 2; |
252b5132 RH |
5108 | break; |
5109 | case TAB (PCINDEX, LONG): | |
9c2799c2 | 5110 | gas_assert (fragP->fr_fix >= 2); |
252b5132 RH |
5111 | buffer_address[-2] |= 0x1; |
5112 | buffer_address[-1] = 0x30; | |
151337e8 | 5113 | fixP = fix_new (fragP, (int) (fragP->fr_fix), 4, fragP->fr_symbol, |
5cbdaa77 | 5114 | fragP->fr_offset, 1, RELAX_RELOC_PC32); |
151337e8 NC |
5115 | fixP->fx_pcrel_adjust = 2; |
5116 | fragP->fr_fix += 4; | |
5117 | break; | |
5118 | case TAB (ABSTOPCREL, SHORT): | |
2b878742 NS |
5119 | fixP = fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, |
5120 | fragP->fr_offset, 1, RELAX_RELOC_PC16); | |
151337e8 NC |
5121 | fragP->fr_fix += 2; |
5122 | break; | |
5123 | case TAB (ABSTOPCREL, LONG): | |
36759679 | 5124 | if (flag_keep_pcrel) |
025987ea NS |
5125 | as_bad_where (fragP->fr_file, fragP->fr_line, |
5126 | _("Conversion of PC relative displacement to absolute")); | |
151337e8 | 5127 | /* The thing to do here is force it to ABSOLUTE LONG, since |
36759679 | 5128 | ABSTOPCREL is really trying to shorten an ABSOLUTE address anyway. */ |
151337e8 NC |
5129 | if ((fragP->fr_opcode[1] & 0x3F) != 0x3A) |
5130 | abort (); | |
5131 | fragP->fr_opcode[1] &= ~0x3F; | |
5132 | fragP->fr_opcode[1] |= 0x39; /* Mode 7.1 */ | |
2b878742 NS |
5133 | fixP = fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, |
5134 | fragP->fr_offset, 0, RELAX_RELOC_ABS32); | |
151337e8 | 5135 | fragP->fr_fix += 4; |
252b5132 | 5136 | break; |
252b5132 | 5137 | } |
2b878742 NS |
5138 | if (fixP) |
5139 | { | |
5140 | fixP->fx_file = fragP->fr_file; | |
5141 | fixP->fx_line = fragP->fr_line; | |
5142 | } | |
252b5132 RH |
5143 | } |
5144 | ||
252b5132 | 5145 | void |
31302357 AS |
5146 | md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, |
5147 | segT sec ATTRIBUTE_UNUSED, | |
5148 | fragS *fragP) | |
252b5132 RH |
5149 | { |
5150 | md_convert_frag_1 (fragP); | |
5151 | } | |
252b5132 RH |
5152 | |
5153 | /* Force truly undefined symbols to their maximum size, and generally set up | |
5154 | the frag list to be relaxed | |
5155 | */ | |
5156 | int | |
31302357 | 5157 | md_estimate_size_before_relax (fragS *fragP, segT segment) |
252b5132 | 5158 | { |
151337e8 | 5159 | /* Handle SZ_UNDEF first, it can be changed to BYTE or SHORT. */ |
252b5132 RH |
5160 | switch (fragP->fr_subtype) |
5161 | { | |
151337e8 | 5162 | case TAB (BRANCHBWL, SZ_UNDEF): |
cac27205 | 5163 | case TAB (BRANCHBWPL, SZ_UNDEF): |
151337e8 | 5164 | case TAB (BRABSJUNC, SZ_UNDEF): |
151337e8 | 5165 | case TAB (BRABSJCOND, SZ_UNDEF): |
252b5132 | 5166 | { |
151337e8 NC |
5167 | if (S_GET_SEGMENT (fragP->fr_symbol) == segment |
5168 | && relaxable_symbol (fragP->fr_symbol)) | |
252b5132 | 5169 | { |
151337e8 NC |
5170 | fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), BYTE); |
5171 | } | |
5172 | else if (flag_short_refs) | |
5173 | { | |
5174 | /* Symbol is undefined and we want short ref. */ | |
5175 | fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), SHORT); | |
252b5132 RH |
5176 | } |
5177 | else | |
5178 | { | |
151337e8 NC |
5179 | /* Symbol is still undefined. Make it LONG. */ |
5180 | fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), LONG); | |
252b5132 RH |
5181 | } |
5182 | break; | |
151337e8 | 5183 | } |
252b5132 | 5184 | |
151337e8 | 5185 | case TAB (BRANCHBW, SZ_UNDEF): |
252b5132 | 5186 | { |
151337e8 NC |
5187 | if (S_GET_SEGMENT (fragP->fr_symbol) == segment |
5188 | && relaxable_symbol (fragP->fr_symbol)) | |
252b5132 | 5189 | { |
151337e8 | 5190 | fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), BYTE); |
252b5132 RH |
5191 | } |
5192 | else | |
5193 | { | |
151337e8 NC |
5194 | /* Symbol is undefined and we don't have long branches. */ |
5195 | fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), SHORT); | |
252b5132 RH |
5196 | } |
5197 | break; | |
151337e8 | 5198 | } |
252b5132 | 5199 | |
151337e8 | 5200 | case TAB (FBRANCH, SZ_UNDEF): |
151337e8 NC |
5201 | case TAB (DBCCLBR, SZ_UNDEF): |
5202 | case TAB (DBCCABSJ, SZ_UNDEF): | |
5c65dbc1 | 5203 | case TAB (PCREL1632, SZ_UNDEF): |
252b5132 | 5204 | { |
8ec6253e NC |
5205 | if ((S_GET_SEGMENT (fragP->fr_symbol) == segment |
5206 | && relaxable_symbol (fragP->fr_symbol)) | |
151337e8 | 5207 | || flag_short_refs) |
252b5132 | 5208 | { |
151337e8 | 5209 | fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), SHORT); |
252b5132 RH |
5210 | } |
5211 | else | |
5212 | { | |
151337e8 | 5213 | fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), LONG); |
252b5132 RH |
5214 | } |
5215 | break; | |
151337e8 | 5216 | } |
81d4177b | 5217 | |
252b5132 RH |
5218 | case TAB (PCINDEX, SZ_UNDEF): |
5219 | if ((S_GET_SEGMENT (fragP->fr_symbol) == segment | |
151337e8 | 5220 | && relaxable_symbol (fragP->fr_symbol))) |
252b5132 RH |
5221 | { |
5222 | fragP->fr_subtype = TAB (PCINDEX, BYTE); | |
5223 | } | |
5224 | else | |
5225 | { | |
5226 | fragP->fr_subtype = TAB (PCINDEX, LONG); | |
252b5132 RH |
5227 | } |
5228 | break; | |
5229 | ||
151337e8 NC |
5230 | case TAB (ABSTOPCREL, SZ_UNDEF): |
5231 | { | |
5232 | if ((S_GET_SEGMENT (fragP->fr_symbol) == segment | |
5233 | && relaxable_symbol (fragP->fr_symbol))) | |
5234 | { | |
5235 | fragP->fr_subtype = TAB (ABSTOPCREL, SHORT); | |
151337e8 NC |
5236 | } |
5237 | else | |
5238 | { | |
5239 | fragP->fr_subtype = TAB (ABSTOPCREL, LONG); | |
151337e8 NC |
5240 | } |
5241 | break; | |
5242 | } | |
5243 | ||
252b5132 RH |
5244 | default: |
5245 | break; | |
5246 | } | |
5247 | ||
151337e8 | 5248 | /* Now that SZ_UNDEF are taken care of, check others. */ |
252b5132 RH |
5249 | switch (fragP->fr_subtype) |
5250 | { | |
151337e8 NC |
5251 | case TAB (BRANCHBWL, BYTE): |
5252 | case TAB (BRABSJUNC, BYTE): | |
5253 | case TAB (BRABSJCOND, BYTE): | |
5254 | case TAB (BRANCHBW, BYTE): | |
252b5132 | 5255 | /* We can't do a short jump to the next instruction, so in that |
ac62c346 AM |
5256 | case we force word mode. If the symbol is at the start of a |
5257 | frag, and it is the next frag with any data in it (usually | |
5258 | this is just the next frag, but assembler listings may | |
5259 | introduce empty frags), we must use word mode. */ | |
5260 | if (fragP->fr_symbol) | |
252b5132 | 5261 | { |
ac62c346 | 5262 | fragS *sym_frag; |
252b5132 | 5263 | |
ac62c346 AM |
5264 | sym_frag = symbol_get_frag (fragP->fr_symbol); |
5265 | if (S_GET_VALUE (fragP->fr_symbol) == sym_frag->fr_address) | |
252b5132 | 5266 | { |
ac62c346 AM |
5267 | fragS *l; |
5268 | ||
23b7f870 | 5269 | for (l = fragP->fr_next; l && l != sym_frag; l = l->fr_next) |
ac62c346 AM |
5270 | if (l->fr_fix != 0) |
5271 | break; | |
5272 | if (l == sym_frag) | |
5273 | fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), SHORT); | |
252b5132 RH |
5274 | } |
5275 | } | |
5276 | break; | |
5277 | default: | |
5278 | break; | |
5279 | } | |
ac62c346 | 5280 | return md_relax_table[fragP->fr_subtype].rlx_length; |
252b5132 RH |
5281 | } |
5282 | ||
252b5132 | 5283 | #ifndef WORKING_DOT_WORD |
2b4f075a HPN |
5284 | int md_short_jump_size = 4; |
5285 | int md_long_jump_size = 6; | |
252b5132 RH |
5286 | |
5287 | void | |
31302357 AS |
5288 | md_create_short_jump (char *ptr, addressT from_addr, addressT to_addr, |
5289 | fragS *frag ATTRIBUTE_UNUSED, | |
5290 | symbolS *to_symbol ATTRIBUTE_UNUSED) | |
252b5132 RH |
5291 | { |
5292 | valueT offset; | |
5293 | ||
5294 | offset = to_addr - (from_addr + 2); | |
5295 | ||
5296 | md_number_to_chars (ptr, (valueT) 0x6000, 2); | |
5297 | md_number_to_chars (ptr + 2, (valueT) offset, 2); | |
5298 | } | |
5299 | ||
5300 | void | |
31302357 AS |
5301 | md_create_long_jump (char *ptr, addressT from_addr, addressT to_addr, |
5302 | fragS *frag, symbolS *to_symbol) | |
252b5132 RH |
5303 | { |
5304 | valueT offset; | |
5305 | ||
6b6e92f4 | 5306 | if (!HAVE_LONG_BRANCH (current_architecture)) |
252b5132 | 5307 | { |
36759679 | 5308 | if (flag_keep_pcrel) |
6b6e92f4 | 5309 | as_fatal (_("Tried to convert PC relative branch to absolute jump")); |
252b5132 RH |
5310 | offset = to_addr - S_GET_VALUE (to_symbol); |
5311 | md_number_to_chars (ptr, (valueT) 0x4EF9, 2); | |
5312 | md_number_to_chars (ptr + 2, (valueT) offset, 4); | |
5313 | fix_new (frag, (ptr + 2) - frag->fr_literal, 4, to_symbol, (offsetT) 0, | |
5314 | 0, NO_RELOC); | |
5315 | } | |
5316 | else | |
5317 | { | |
5318 | offset = to_addr - (from_addr + 2); | |
5319 | md_number_to_chars (ptr, (valueT) 0x60ff, 2); | |
5320 | md_number_to_chars (ptr + 2, (valueT) offset, 4); | |
5321 | } | |
5322 | } | |
5323 | ||
5324 | #endif | |
5325 | ||
33eaf5de | 5326 | /* Different values of OK tell what it's OK to return. Things that |
252b5132 RH |
5327 | aren't OK are an error (what a shock, no?) |
5328 | ||
5329 | 0: Everything is OK | |
3e602632 NC |
5330 | 10: Absolute 1:8 only |
5331 | 20: Absolute 0:7 only | |
5332 | 30: absolute 0:15 only | |
5333 | 40: Absolute 0:31 only | |
5334 | 50: absolute 0:127 only | |
252b5132 | 5335 | 55: absolute -64:63 only |
3e602632 | 5336 | 60: absolute -128:127 only |
afa2158f | 5337 | 65: absolute 0:511 only |
3e602632 NC |
5338 | 70: absolute 0:4095 only |
5339 | 80: absolute -1, 1:7 only | |
5340 | 90: No bignums. */ | |
252b5132 RH |
5341 | |
5342 | static int | |
31302357 | 5343 | get_num (struct m68k_exp *exp, int ok) |
252b5132 RH |
5344 | { |
5345 | if (exp->exp.X_op == O_absent) | |
5346 | { | |
36759679 | 5347 | /* Do the same thing the VAX asm does. */ |
252b5132 RH |
5348 | op (exp) = O_constant; |
5349 | adds (exp) = 0; | |
5350 | subs (exp) = 0; | |
5351 | offs (exp) = 0; | |
5352 | if (ok == 10) | |
5353 | { | |
5354 | as_warn (_("expression out of range: defaulting to 1")); | |
5355 | offs (exp) = 1; | |
5356 | } | |
5357 | } | |
5358 | else if (exp->exp.X_op == O_constant) | |
5359 | { | |
5360 | switch (ok) | |
5361 | { | |
5362 | case 10: | |
bd17c2c3 | 5363 | if ((valueT) TRUNC (offs (exp)) - 1 > 7) |
252b5132 RH |
5364 | { |
5365 | as_warn (_("expression out of range: defaulting to 1")); | |
5366 | offs (exp) = 1; | |
5367 | } | |
5368 | break; | |
5369 | case 20: | |
bd17c2c3 | 5370 | if ((valueT) TRUNC (offs (exp)) > 7) |
252b5132 RH |
5371 | goto outrange; |
5372 | break; | |
5373 | case 30: | |
bd17c2c3 | 5374 | if ((valueT) TRUNC (offs (exp)) > 15) |
252b5132 RH |
5375 | goto outrange; |
5376 | break; | |
5377 | case 40: | |
bd17c2c3 | 5378 | if ((valueT) TRUNC (offs (exp)) > 32) |
252b5132 RH |
5379 | goto outrange; |
5380 | break; | |
5381 | case 50: | |
bd17c2c3 | 5382 | if ((valueT) TRUNC (offs (exp)) > 127) |
252b5132 RH |
5383 | goto outrange; |
5384 | break; | |
5385 | case 55: | |
bd17c2c3 | 5386 | if ((valueT) SEXT (offs (exp)) + 64 > 127) |
252b5132 RH |
5387 | goto outrange; |
5388 | break; | |
5389 | case 60: | |
bd17c2c3 | 5390 | if ((valueT) SEXT (offs (exp)) + 128 > 255) |
252b5132 | 5391 | goto outrange; |
afa2158f NS |
5392 | break; |
5393 | case 65: | |
5394 | if ((valueT) TRUNC (offs (exp)) > 511) | |
5395 | goto outrange; | |
252b5132 RH |
5396 | break; |
5397 | case 70: | |
bd17c2c3 | 5398 | if ((valueT) TRUNC (offs (exp)) > 4095) |
252b5132 RH |
5399 | { |
5400 | outrange: | |
5401 | as_warn (_("expression out of range: defaulting to 0")); | |
5402 | offs (exp) = 0; | |
5403 | } | |
5404 | break; | |
3e602632 | 5405 | case 80: |
bd17c2c3 AM |
5406 | if ((valueT) TRUNC (offs (exp)) != 0xffffffff |
5407 | && (valueT) TRUNC (offs (exp)) - 1 > 6) | |
3e602632 NC |
5408 | { |
5409 | as_warn (_("expression out of range: defaulting to 1")); | |
5410 | offs (exp) = 1; | |
5411 | } | |
5412 | break; | |
252b5132 RH |
5413 | default: |
5414 | break; | |
5415 | } | |
5416 | } | |
5417 | else if (exp->exp.X_op == O_big) | |
5418 | { | |
36759679 | 5419 | if (offs (exp) <= 0 /* flonum. */ |
3e602632 | 5420 | && (ok == 90 /* no bignums */ |
36759679 | 5421 | || (ok > 10 /* Small-int ranges including 0 ok. */ |
252b5132 RH |
5422 | /* If we have a flonum zero, a zero integer should |
5423 | do as well (e.g., in moveq). */ | |
5424 | && generic_floating_point_number.exponent == 0 | |
5425 | && generic_floating_point_number.low[0] == 0))) | |
5426 | { | |
36759679 | 5427 | /* HACK! Turn it into a long. */ |
252b5132 RH |
5428 | LITTLENUM_TYPE words[6]; |
5429 | ||
36759679 | 5430 | gen_to_words (words, 2, 8L); /* These numbers are magic! */ |
252b5132 RH |
5431 | op (exp) = O_constant; |
5432 | adds (exp) = 0; | |
5433 | subs (exp) = 0; | |
5434 | offs (exp) = words[1] | (words[0] << 16); | |
5435 | } | |
5436 | else if (ok != 0) | |
5437 | { | |
5438 | op (exp) = O_constant; | |
5439 | adds (exp) = 0; | |
5440 | subs (exp) = 0; | |
5441 | offs (exp) = (ok == 10) ? 1 : 0; | |
5442 | as_warn (_("Can't deal with expression; defaulting to %ld"), | |
045b540e | 5443 | (long) offs (exp)); |
252b5132 RH |
5444 | } |
5445 | } | |
5446 | else | |
5447 | { | |
3e602632 | 5448 | if (ok >= 10 && ok <= 80) |
252b5132 RH |
5449 | { |
5450 | op (exp) = O_constant; | |
5451 | adds (exp) = 0; | |
5452 | subs (exp) = 0; | |
5453 | offs (exp) = (ok == 10) ? 1 : 0; | |
5454 | as_warn (_("Can't deal with expression; defaulting to %ld"), | |
045b540e | 5455 | (long) offs (exp)); |
252b5132 RH |
5456 | } |
5457 | } | |
5458 | ||
5459 | if (exp->size != SIZE_UNSPEC) | |
5460 | { | |
5461 | switch (exp->size) | |
5462 | { | |
5463 | case SIZE_UNSPEC: | |
5464 | case SIZE_LONG: | |
5465 | break; | |
5466 | case SIZE_BYTE: | |
5467 | if (!isbyte (offs (exp))) | |
5468 | as_warn (_("expression doesn't fit in BYTE")); | |
5469 | break; | |
5470 | case SIZE_WORD: | |
5471 | if (!isword (offs (exp))) | |
5472 | as_warn (_("expression doesn't fit in WORD")); | |
5473 | break; | |
5474 | } | |
5475 | } | |
5476 | ||
5477 | return offs (exp); | |
5478 | } | |
5479 | ||
5480 | /* These are the back-ends for the various machine dependent pseudo-ops. */ | |
5481 | ||
5482 | static void | |
31302357 | 5483 | s_data1 (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5484 | { |
5485 | subseg_set (data_section, 1); | |
5486 | demand_empty_rest_of_line (); | |
5487 | } | |
5488 | ||
5489 | static void | |
31302357 | 5490 | s_data2 (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5491 | { |
5492 | subseg_set (data_section, 2); | |
5493 | demand_empty_rest_of_line (); | |
5494 | } | |
5495 | ||
5496 | static void | |
31302357 | 5497 | s_bss (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5498 | { |
5499 | /* We don't support putting frags in the BSS segment, we fake it | |
5500 | by marking in_bss, then looking at s_skip for clues. */ | |
5501 | ||
5502 | subseg_set (bss_section, 0); | |
5503 | demand_empty_rest_of_line (); | |
5504 | } | |
5505 | ||
5506 | static void | |
31302357 | 5507 | s_even (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 5508 | { |
ed9e98c2 AM |
5509 | int temp; |
5510 | long temp_fill; | |
252b5132 RH |
5511 | |
5512 | temp = 1; /* JF should be 2? */ | |
5513 | temp_fill = get_absolute_expression (); | |
92774660 | 5514 | if (!need_pass_2) /* Never make frag if expect extra pass. */ |
252b5132 RH |
5515 | frag_align (temp, (int) temp_fill, 0); |
5516 | demand_empty_rest_of_line (); | |
5517 | record_alignment (now_seg, temp); | |
5518 | } | |
5519 | ||
5520 | static void | |
31302357 | 5521 | s_proc (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5522 | { |
5523 | demand_empty_rest_of_line (); | |
5524 | } | |
5525 | \f | |
5526 | /* Pseudo-ops handled for MRI compatibility. */ | |
5527 | ||
5528 | /* This function returns non-zero if the argument is a conditional | |
5529 | pseudo-op. This is called when checking whether a pending | |
5530 | alignment is needed. */ | |
5531 | ||
5532 | int | |
32e4c1c2 | 5533 | m68k_conditional_pseudoop (const pseudo_typeS *pop) |
252b5132 RH |
5534 | { |
5535 | return (pop->poc_handler == s_mri_if | |
5536 | || pop->poc_handler == s_mri_else); | |
5537 | } | |
5538 | ||
5539 | /* Handle an MRI style chip specification. */ | |
5540 | ||
5541 | static void | |
31302357 | 5542 | mri_chip (void) |
252b5132 RH |
5543 | { |
5544 | char *s; | |
5545 | char c; | |
5546 | int i; | |
5547 | ||
5548 | s = input_line_pointer; | |
d02603dc | 5549 | /* We can't use get_symbol_name since the processor names are not proper |
252b5132 RH |
5550 | symbols. */ |
5551 | while (is_part_of_name (c = *input_line_pointer++)) | |
5552 | ; | |
5553 | *--input_line_pointer = 0; | |
266abb8f NS |
5554 | for (i = 0; m68k_cpus[i].name; i++) |
5555 | if (strcasecmp (s, m68k_cpus[i].name) == 0) | |
252b5132 | 5556 | break; |
266abb8f | 5557 | if (!m68k_cpus[i].name) |
252b5132 RH |
5558 | { |
5559 | as_bad (_("%s: unrecognized processor name"), s); | |
5560 | *input_line_pointer = c; | |
5561 | ignore_rest_of_line (); | |
5562 | return; | |
5563 | } | |
5564 | *input_line_pointer = c; | |
5565 | ||
5566 | if (*input_line_pointer == '/') | |
5567 | current_architecture = 0; | |
5568 | else | |
5569 | current_architecture &= m68881 | m68851; | |
266abb8f | 5570 | current_architecture |= m68k_cpus[i].arch & ~(m68881 | m68851); |
2da12c60 | 5571 | control_regs = m68k_cpus[i].control_regs; |
252b5132 RH |
5572 | |
5573 | while (*input_line_pointer == '/') | |
5574 | { | |
5575 | ++input_line_pointer; | |
5576 | s = input_line_pointer; | |
d02603dc | 5577 | /* We can't use get_symbol_name since the processor names are not |
252b5132 RH |
5578 | proper symbols. */ |
5579 | while (is_part_of_name (c = *input_line_pointer++)) | |
5580 | ; | |
5581 | *--input_line_pointer = 0; | |
5582 | if (strcmp (s, "68881") == 0) | |
5583 | current_architecture |= m68881; | |
5584 | else if (strcmp (s, "68851") == 0) | |
5585 | current_architecture |= m68851; | |
5586 | *input_line_pointer = c; | |
5587 | } | |
252b5132 RH |
5588 | } |
5589 | ||
5590 | /* The MRI CHIP pseudo-op. */ | |
5591 | ||
5592 | static void | |
31302357 | 5593 | s_chip (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5594 | { |
5595 | char *stop = NULL; | |
5596 | char stopc; | |
5597 | ||
5598 | if (flag_mri) | |
5599 | stop = mri_comment_field (&stopc); | |
5600 | mri_chip (); | |
5601 | if (flag_mri) | |
5602 | mri_comment_end (stop, stopc); | |
5603 | demand_empty_rest_of_line (); | |
5604 | } | |
5605 | ||
5606 | /* The MRI FOPT pseudo-op. */ | |
5607 | ||
5608 | static void | |
31302357 | 5609 | s_fopt (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5610 | { |
5611 | SKIP_WHITESPACE (); | |
5612 | ||
5613 | if (strncasecmp (input_line_pointer, "ID=", 3) == 0) | |
5614 | { | |
5615 | int temp; | |
5616 | ||
5617 | input_line_pointer += 3; | |
5618 | temp = get_absolute_expression (); | |
5619 | if (temp < 0 || temp > 7) | |
5620 | as_bad (_("bad coprocessor id")); | |
5621 | else | |
5622 | m68k_float_copnum = COP0 + temp; | |
5623 | } | |
5624 | else | |
5625 | { | |
5626 | as_bad (_("unrecognized fopt option")); | |
5627 | ignore_rest_of_line (); | |
5628 | return; | |
5629 | } | |
5630 | ||
5631 | demand_empty_rest_of_line (); | |
5632 | } | |
5633 | ||
5634 | /* The structure used to handle the MRI OPT pseudo-op. */ | |
5635 | ||
5636 | struct opt_action | |
5637 | { | |
5638 | /* The name of the option. */ | |
5639 | const char *name; | |
5640 | ||
5641 | /* If this is not NULL, just call this function. The first argument | |
5642 | is the ARG field of this structure, the second argument is | |
5643 | whether the option was negated. */ | |
31302357 | 5644 | void (*pfn) (int arg, int on); |
252b5132 RH |
5645 | |
5646 | /* If this is not NULL, and the PFN field is NULL, set the variable | |
5647 | this points to. Set it to the ARG field if the option was not | |
5648 | negated, and the NOTARG field otherwise. */ | |
5649 | int *pvar; | |
5650 | ||
5651 | /* The value to pass to PFN or to assign to *PVAR. */ | |
5652 | int arg; | |
5653 | ||
5654 | /* The value to assign to *PVAR if the option is negated. If PFN is | |
5655 | NULL, and PVAR is not NULL, and ARG and NOTARG are the same, then | |
5656 | the option may not be negated. */ | |
5657 | int notarg; | |
5658 | }; | |
5659 | ||
5660 | /* The table used to handle the MRI OPT pseudo-op. */ | |
5661 | ||
31302357 AS |
5662 | static void skip_to_comma (int, int); |
5663 | static void opt_nest (int, int); | |
5664 | static void opt_chip (int, int); | |
5665 | static void opt_list (int, int); | |
5666 | static void opt_list_symbols (int, int); | |
252b5132 RH |
5667 | |
5668 | static const struct opt_action opt_table[] = | |
5669 | { | |
5670 | { "abspcadd", 0, &m68k_abspcadd, 1, 0 }, | |
5671 | ||
5672 | /* We do relaxing, so there is little use for these options. */ | |
5673 | { "b", 0, 0, 0, 0 }, | |
5674 | { "brs", 0, 0, 0, 0 }, | |
5675 | { "brb", 0, 0, 0, 0 }, | |
5676 | { "brl", 0, 0, 0, 0 }, | |
5677 | { "brw", 0, 0, 0, 0 }, | |
5678 | ||
5679 | { "c", 0, 0, 0, 0 }, | |
5680 | { "cex", 0, 0, 0, 0 }, | |
5681 | { "case", 0, &symbols_case_sensitive, 1, 0 }, | |
5682 | { "cl", 0, 0, 0, 0 }, | |
5683 | { "cre", 0, 0, 0, 0 }, | |
5684 | { "d", 0, &flag_keep_locals, 1, 0 }, | |
5685 | { "e", 0, 0, 0, 0 }, | |
5686 | { "f", 0, &flag_short_refs, 1, 0 }, | |
5687 | { "frs", 0, &flag_short_refs, 1, 0 }, | |
5688 | { "frl", 0, &flag_short_refs, 0, 1 }, | |
5689 | { "g", 0, 0, 0, 0 }, | |
5690 | { "i", 0, 0, 0, 0 }, | |
5691 | { "m", 0, 0, 0, 0 }, | |
5692 | { "mex", 0, 0, 0, 0 }, | |
5693 | { "mc", 0, 0, 0, 0 }, | |
5694 | { "md", 0, 0, 0, 0 }, | |
5695 | { "nest", opt_nest, 0, 0, 0 }, | |
5696 | { "next", skip_to_comma, 0, 0, 0 }, | |
5697 | { "o", 0, 0, 0, 0 }, | |
5698 | { "old", 0, 0, 0, 0 }, | |
5699 | { "op", skip_to_comma, 0, 0, 0 }, | |
5700 | { "pco", 0, 0, 0, 0 }, | |
5701 | { "p", opt_chip, 0, 0, 0 }, | |
5702 | { "pcr", 0, 0, 0, 0 }, | |
5703 | { "pcs", 0, 0, 0, 0 }, | |
5704 | { "r", 0, 0, 0, 0 }, | |
5705 | { "quick", 0, &m68k_quick, 1, 0 }, | |
5706 | { "rel32", 0, &m68k_rel32, 1, 0 }, | |
5707 | { "s", opt_list, 0, 0, 0 }, | |
5708 | { "t", opt_list_symbols, 0, 0, 0 }, | |
5709 | { "w", 0, &flag_no_warnings, 0, 1 }, | |
5710 | { "x", 0, 0, 0, 0 } | |
5711 | }; | |
5712 | ||
8fce3f5e | 5713 | #define OPTCOUNT ((int) (sizeof opt_table / sizeof opt_table[0])) |
252b5132 RH |
5714 | |
5715 | /* The MRI OPT pseudo-op. */ | |
5716 | ||
5717 | static void | |
31302357 | 5718 | s_opt (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5719 | { |
5720 | do | |
5721 | { | |
5722 | int t; | |
5723 | char *s; | |
5724 | char c; | |
5725 | int i; | |
5726 | const struct opt_action *o; | |
5727 | ||
5728 | SKIP_WHITESPACE (); | |
5729 | ||
5730 | t = 1; | |
5731 | if (*input_line_pointer == '-') | |
5732 | { | |
5733 | ++input_line_pointer; | |
5734 | t = 0; | |
5735 | } | |
5736 | else if (strncasecmp (input_line_pointer, "NO", 2) == 0) | |
5737 | { | |
5738 | input_line_pointer += 2; | |
5739 | t = 0; | |
5740 | } | |
5741 | ||
d02603dc | 5742 | c = get_symbol_name (&s); |
252b5132 RH |
5743 | |
5744 | for (i = 0, o = opt_table; i < OPTCOUNT; i++, o++) | |
5745 | { | |
5746 | if (strcasecmp (s, o->name) == 0) | |
5747 | { | |
5748 | if (o->pfn) | |
5749 | { | |
5750 | /* Restore input_line_pointer now in case the option | |
5751 | takes arguments. */ | |
d02603dc | 5752 | (void) restore_line_pointer (c); |
252b5132 RH |
5753 | (*o->pfn) (o->arg, t); |
5754 | } | |
5755 | else if (o->pvar != NULL) | |
5756 | { | |
5757 | if (! t && o->arg == o->notarg) | |
5758 | as_bad (_("option `%s' may not be negated"), s); | |
d02603dc | 5759 | restore_line_pointer (c); |
252b5132 RH |
5760 | *o->pvar = t ? o->arg : o->notarg; |
5761 | } | |
5762 | else | |
5763 | *input_line_pointer = c; | |
5764 | break; | |
5765 | } | |
5766 | } | |
5767 | if (i >= OPTCOUNT) | |
5768 | { | |
5769 | as_bad (_("option `%s' not recognized"), s); | |
d02603dc | 5770 | restore_line_pointer (c); |
252b5132 RH |
5771 | } |
5772 | } | |
5773 | while (*input_line_pointer++ == ','); | |
5774 | ||
5775 | /* Move back to terminating character. */ | |
5776 | --input_line_pointer; | |
5777 | demand_empty_rest_of_line (); | |
5778 | } | |
5779 | ||
5780 | /* Skip ahead to a comma. This is used for OPT options which we do | |
67c1ffbe | 5781 | not support and which take arguments. */ |
252b5132 RH |
5782 | |
5783 | static void | |
31302357 | 5784 | skip_to_comma (int arg ATTRIBUTE_UNUSED, int on ATTRIBUTE_UNUSED) |
252b5132 RH |
5785 | { |
5786 | while (*input_line_pointer != ',' | |
5787 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
5788 | ++input_line_pointer; | |
5789 | } | |
5790 | ||
5791 | /* Handle the OPT NEST=depth option. */ | |
5792 | ||
5793 | static void | |
31302357 | 5794 | opt_nest (int arg ATTRIBUTE_UNUSED, int on ATTRIBUTE_UNUSED) |
252b5132 RH |
5795 | { |
5796 | if (*input_line_pointer != '=') | |
5797 | { | |
5798 | as_bad (_("bad format of OPT NEST=depth")); | |
5799 | return; | |
5800 | } | |
5801 | ||
5802 | ++input_line_pointer; | |
5803 | max_macro_nest = get_absolute_expression (); | |
5804 | } | |
5805 | ||
5806 | /* Handle the OPT P=chip option. */ | |
5807 | ||
5808 | static void | |
31302357 | 5809 | opt_chip (int arg ATTRIBUTE_UNUSED, int on ATTRIBUTE_UNUSED) |
252b5132 RH |
5810 | { |
5811 | if (*input_line_pointer != '=') | |
5812 | { | |
5813 | /* This is just OPT P, which we do not support. */ | |
5814 | return; | |
5815 | } | |
5816 | ||
5817 | ++input_line_pointer; | |
5818 | mri_chip (); | |
5819 | } | |
5820 | ||
5821 | /* Handle the OPT S option. */ | |
5822 | ||
5823 | static void | |
31302357 | 5824 | opt_list (int arg ATTRIBUTE_UNUSED, int on) |
252b5132 RH |
5825 | { |
5826 | listing_list (on); | |
5827 | } | |
5828 | ||
5829 | /* Handle the OPT T option. */ | |
5830 | ||
5831 | static void | |
31302357 | 5832 | opt_list_symbols (int arg ATTRIBUTE_UNUSED, int on) |
252b5132 RH |
5833 | { |
5834 | if (on) | |
5835 | listing |= LISTING_SYMBOLS; | |
5836 | else | |
8a104df9 | 5837 | listing &= ~LISTING_SYMBOLS; |
252b5132 RH |
5838 | } |
5839 | ||
5840 | /* Handle the MRI REG pseudo-op. */ | |
5841 | ||
5842 | static void | |
31302357 | 5843 | s_reg (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5844 | { |
5845 | char *s; | |
5846 | int c; | |
5847 | struct m68k_op rop; | |
5848 | int mask; | |
5849 | char *stop = NULL; | |
5850 | char stopc; | |
5851 | ||
5852 | if (line_label == NULL) | |
5853 | { | |
5854 | as_bad (_("missing label")); | |
5855 | ignore_rest_of_line (); | |
5856 | return; | |
5857 | } | |
5858 | ||
5859 | if (flag_mri) | |
5860 | stop = mri_comment_field (&stopc); | |
5861 | ||
5862 | SKIP_WHITESPACE (); | |
5863 | ||
5864 | s = input_line_pointer; | |
3882b010 | 5865 | while (ISALNUM (*input_line_pointer) |
252b5132 RH |
5866 | #ifdef REGISTER_PREFIX |
5867 | || *input_line_pointer == REGISTER_PREFIX | |
5868 | #endif | |
5869 | || *input_line_pointer == '/' | |
5870 | || *input_line_pointer == '-') | |
5871 | ++input_line_pointer; | |
5872 | c = *input_line_pointer; | |
5873 | *input_line_pointer = '\0'; | |
5874 | ||
5875 | if (m68k_ip_op (s, &rop) != 0) | |
5876 | { | |
5877 | if (rop.error == NULL) | |
5878 | as_bad (_("bad register list")); | |
5879 | else | |
5880 | as_bad (_("bad register list: %s"), rop.error); | |
5881 | *input_line_pointer = c; | |
5882 | ignore_rest_of_line (); | |
5883 | return; | |
5884 | } | |
5885 | ||
5886 | *input_line_pointer = c; | |
5887 | ||
5888 | if (rop.mode == REGLST) | |
5889 | mask = rop.mask; | |
5890 | else if (rop.mode == DREG) | |
5891 | mask = 1 << (rop.reg - DATA0); | |
5892 | else if (rop.mode == AREG) | |
5893 | mask = 1 << (rop.reg - ADDR0 + 8); | |
5894 | else if (rop.mode == FPREG) | |
5895 | mask = 1 << (rop.reg - FP0 + 16); | |
5896 | else if (rop.mode == CONTROL | |
5897 | && rop.reg == FPI) | |
5898 | mask = 1 << 24; | |
5899 | else if (rop.mode == CONTROL | |
5900 | && rop.reg == FPS) | |
5901 | mask = 1 << 25; | |
5902 | else if (rop.mode == CONTROL | |
5903 | && rop.reg == FPC) | |
5904 | mask = 1 << 26; | |
5905 | else | |
5906 | { | |
5907 | as_bad (_("bad register list")); | |
5908 | ignore_rest_of_line (); | |
5909 | return; | |
5910 | } | |
5911 | ||
5912 | S_SET_SEGMENT (line_label, reg_section); | |
5913 | S_SET_VALUE (line_label, ~mask); | |
49309057 | 5914 | symbol_set_frag (line_label, &zero_address_frag); |
252b5132 RH |
5915 | |
5916 | if (flag_mri) | |
5917 | mri_comment_end (stop, stopc); | |
5918 | ||
5919 | demand_empty_rest_of_line (); | |
5920 | } | |
5921 | ||
5922 | /* This structure is used for the MRI SAVE and RESTORE pseudo-ops. */ | |
5923 | ||
5924 | struct save_opts | |
5925 | { | |
5926 | struct save_opts *next; | |
5927 | int abspcadd; | |
5928 | int symbols_case_sensitive; | |
5929 | int keep_locals; | |
5930 | int short_refs; | |
5931 | int architecture; | |
2da12c60 | 5932 | const enum m68k_register *control_regs; |
252b5132 RH |
5933 | int quick; |
5934 | int rel32; | |
5935 | int listing; | |
5936 | int no_warnings; | |
5937 | /* FIXME: We don't save OPT S. */ | |
5938 | }; | |
5939 | ||
5940 | /* This variable holds the stack of saved options. */ | |
5941 | ||
5942 | static struct save_opts *save_stack; | |
5943 | ||
5944 | /* The MRI SAVE pseudo-op. */ | |
5945 | ||
5946 | static void | |
31302357 | 5947 | s_save (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5948 | { |
5949 | struct save_opts *s; | |
5950 | ||
add39d23 | 5951 | s = XNEW (struct save_opts); |
252b5132 RH |
5952 | s->abspcadd = m68k_abspcadd; |
5953 | s->symbols_case_sensitive = symbols_case_sensitive; | |
5954 | s->keep_locals = flag_keep_locals; | |
5955 | s->short_refs = flag_short_refs; | |
5956 | s->architecture = current_architecture; | |
2da12c60 | 5957 | s->control_regs = control_regs; |
252b5132 RH |
5958 | s->quick = m68k_quick; |
5959 | s->rel32 = m68k_rel32; | |
5960 | s->listing = listing; | |
5961 | s->no_warnings = flag_no_warnings; | |
5962 | ||
5963 | s->next = save_stack; | |
5964 | save_stack = s; | |
5965 | ||
5966 | demand_empty_rest_of_line (); | |
5967 | } | |
5968 | ||
5969 | /* The MRI RESTORE pseudo-op. */ | |
5970 | ||
5971 | static void | |
31302357 | 5972 | s_restore (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
5973 | { |
5974 | struct save_opts *s; | |
5975 | ||
5976 | if (save_stack == NULL) | |
5977 | { | |
5978 | as_bad (_("restore without save")); | |
5979 | ignore_rest_of_line (); | |
5980 | return; | |
5981 | } | |
5982 | ||
5983 | s = save_stack; | |
5984 | save_stack = s->next; | |
5985 | ||
5986 | m68k_abspcadd = s->abspcadd; | |
5987 | symbols_case_sensitive = s->symbols_case_sensitive; | |
5988 | flag_keep_locals = s->keep_locals; | |
5989 | flag_short_refs = s->short_refs; | |
5990 | current_architecture = s->architecture; | |
2da12c60 | 5991 | control_regs = s->control_regs; |
252b5132 RH |
5992 | m68k_quick = s->quick; |
5993 | m68k_rel32 = s->rel32; | |
5994 | listing = s->listing; | |
5995 | flag_no_warnings = s->no_warnings; | |
5996 | ||
5997 | free (s); | |
5998 | ||
5999 | demand_empty_rest_of_line (); | |
6000 | } | |
6001 | ||
6002 | /* Types of MRI structured control directives. */ | |
6003 | ||
6004 | enum mri_control_type | |
6005 | { | |
6006 | mri_for, | |
6007 | mri_if, | |
6008 | mri_repeat, | |
6009 | mri_while | |
6010 | }; | |
6011 | ||
6012 | /* This structure is used to stack the MRI structured control | |
6013 | directives. */ | |
6014 | ||
6015 | struct mri_control_info | |
6016 | { | |
6017 | /* The directive within which this one is enclosed. */ | |
6018 | struct mri_control_info *outer; | |
6019 | ||
6020 | /* The type of directive. */ | |
6021 | enum mri_control_type type; | |
6022 | ||
6023 | /* Whether an ELSE has been in an IF. */ | |
6024 | int else_seen; | |
6025 | ||
6026 | /* The add or sub statement at the end of a FOR. */ | |
6027 | char *incr; | |
6028 | ||
6029 | /* The label of the top of a FOR or REPEAT loop. */ | |
6030 | char *top; | |
6031 | ||
6032 | /* The label to jump to for the next iteration, or the else | |
6033 | expression of a conditional. */ | |
6034 | char *next; | |
6035 | ||
6036 | /* The label to jump to to break out of the loop, or the label past | |
6037 | the end of a conditional. */ | |
6038 | char *bottom; | |
6039 | }; | |
6040 | ||
6041 | /* The stack of MRI structured control directives. */ | |
6042 | ||
6043 | static struct mri_control_info *mri_control_stack; | |
6044 | ||
6045 | /* The current MRI structured control directive index number, used to | |
6046 | generate label names. */ | |
6047 | ||
6048 | static int mri_control_index; | |
6049 | ||
252b5132 RH |
6050 | /* Assemble an instruction for an MRI structured control directive. */ |
6051 | ||
6052 | static void | |
31302357 | 6053 | mri_assemble (char *str) |
252b5132 RH |
6054 | { |
6055 | char *s; | |
6056 | ||
6057 | /* md_assemble expects the opcode to be in lower case. */ | |
6058 | for (s = str; *s != ' ' && *s != '\0'; s++) | |
3882b010 | 6059 | *s = TOLOWER (*s); |
252b5132 RH |
6060 | |
6061 | md_assemble (str); | |
6062 | } | |
6063 | ||
6064 | /* Generate a new MRI label structured control directive label name. */ | |
6065 | ||
6066 | static char * | |
31302357 | 6067 | mri_control_label (void) |
252b5132 RH |
6068 | { |
6069 | char *n; | |
6070 | ||
add39d23 | 6071 | n = XNEWVEC (char, 20); |
252b5132 RH |
6072 | sprintf (n, "%smc%d", FAKE_LABEL_NAME, mri_control_index); |
6073 | ++mri_control_index; | |
6074 | return n; | |
6075 | } | |
6076 | ||
6077 | /* Create a new MRI structured control directive. */ | |
6078 | ||
6079 | static struct mri_control_info * | |
31302357 | 6080 | push_mri_control (enum mri_control_type type) |
252b5132 RH |
6081 | { |
6082 | struct mri_control_info *n; | |
6083 | ||
add39d23 | 6084 | n = XNEW (struct mri_control_info); |
252b5132 RH |
6085 | |
6086 | n->type = type; | |
6087 | n->else_seen = 0; | |
6088 | if (type == mri_if || type == mri_while) | |
6089 | n->top = NULL; | |
6090 | else | |
6091 | n->top = mri_control_label (); | |
6092 | n->next = mri_control_label (); | |
6093 | n->bottom = mri_control_label (); | |
6094 | ||
6095 | n->outer = mri_control_stack; | |
6096 | mri_control_stack = n; | |
6097 | ||
6098 | return n; | |
6099 | } | |
6100 | ||
6101 | /* Pop off the stack of MRI structured control directives. */ | |
6102 | ||
6103 | static void | |
31302357 | 6104 | pop_mri_control (void) |
252b5132 RH |
6105 | { |
6106 | struct mri_control_info *n; | |
6107 | ||
6108 | n = mri_control_stack; | |
6109 | mri_control_stack = n->outer; | |
9fbb53c7 | 6110 | free (n->top); |
252b5132 RH |
6111 | free (n->next); |
6112 | free (n->bottom); | |
6113 | free (n); | |
6114 | } | |
6115 | ||
6116 | /* Recognize a condition code in an MRI structured control expression. */ | |
6117 | ||
6118 | static int | |
31302357 | 6119 | parse_mri_condition (int *pcc) |
252b5132 RH |
6120 | { |
6121 | char c1, c2; | |
6122 | ||
6123 | know (*input_line_pointer == '<'); | |
6124 | ||
6125 | ++input_line_pointer; | |
6126 | c1 = *input_line_pointer++; | |
6127 | c2 = *input_line_pointer++; | |
6128 | ||
6129 | if (*input_line_pointer != '>') | |
6130 | { | |
6131 | as_bad (_("syntax error in structured control directive")); | |
6132 | return 0; | |
6133 | } | |
6134 | ||
6135 | ++input_line_pointer; | |
6136 | SKIP_WHITESPACE (); | |
6137 | ||
3882b010 L |
6138 | c1 = TOLOWER (c1); |
6139 | c2 = TOLOWER (c2); | |
252b5132 RH |
6140 | |
6141 | *pcc = (c1 << 8) | c2; | |
6142 | ||
6143 | return 1; | |
6144 | } | |
6145 | ||
6146 | /* Parse a single operand in an MRI structured control expression. */ | |
6147 | ||
6148 | static int | |
31302357 AS |
6149 | parse_mri_control_operand (int *pcc, char **leftstart, char **leftstop, |
6150 | char **rightstart, char **rightstop) | |
252b5132 RH |
6151 | { |
6152 | char *s; | |
6153 | ||
6154 | SKIP_WHITESPACE (); | |
6155 | ||
6156 | *pcc = -1; | |
6157 | *leftstart = NULL; | |
6158 | *leftstop = NULL; | |
6159 | *rightstart = NULL; | |
6160 | *rightstop = NULL; | |
6161 | ||
6162 | if (*input_line_pointer == '<') | |
6163 | { | |
6164 | /* It's just a condition code. */ | |
6165 | return parse_mri_condition (pcc); | |
6166 | } | |
6167 | ||
6168 | /* Look ahead for the condition code. */ | |
6169 | for (s = input_line_pointer; *s != '\0'; ++s) | |
6170 | { | |
6171 | if (*s == '<' && s[1] != '\0' && s[2] != '\0' && s[3] == '>') | |
6172 | break; | |
6173 | } | |
6174 | if (*s == '\0') | |
6175 | { | |
6176 | as_bad (_("missing condition code in structured control directive")); | |
6177 | return 0; | |
6178 | } | |
6179 | ||
6180 | *leftstart = input_line_pointer; | |
6181 | *leftstop = s; | |
6182 | if (*leftstop > *leftstart | |
6183 | && ((*leftstop)[-1] == ' ' || (*leftstop)[-1] == '\t')) | |
6184 | --*leftstop; | |
6185 | ||
6186 | input_line_pointer = s; | |
6187 | if (! parse_mri_condition (pcc)) | |
6188 | return 0; | |
6189 | ||
6190 | /* Look ahead for AND or OR or end of line. */ | |
6191 | for (s = input_line_pointer; *s != '\0'; ++s) | |
6192 | { | |
e1f44d10 NC |
6193 | /* We must make sure we don't misinterpret AND/OR at the end of labels! |
6194 | if d0 <eq> #FOOAND and d1 <ne> #BAROR then | |
6195 | ^^^ ^^ */ | |
8a104df9 KH |
6196 | if ((s == input_line_pointer |
6197 | || *(s-1) == ' ' | |
6198 | || *(s-1) == '\t') | |
6199 | && ((strncasecmp (s, "AND", 3) == 0 | |
6200 | && (s[3] == '.' || ! is_part_of_name (s[3]))) | |
6201 | || (strncasecmp (s, "OR", 2) == 0 | |
6202 | && (s[2] == '.' || ! is_part_of_name (s[2]))))) | |
6203 | break; | |
252b5132 RH |
6204 | } |
6205 | ||
6206 | *rightstart = input_line_pointer; | |
6207 | *rightstop = s; | |
6208 | if (*rightstop > *rightstart | |
6209 | && ((*rightstop)[-1] == ' ' || (*rightstop)[-1] == '\t')) | |
6210 | --*rightstop; | |
6211 | ||
6212 | input_line_pointer = s; | |
6213 | ||
6214 | return 1; | |
6215 | } | |
6216 | ||
6217 | #define MCC(b1, b2) (((b1) << 8) | (b2)) | |
6218 | ||
6219 | /* Swap the sense of a condition. This changes the condition so that | |
6220 | it generates the same result when the operands are swapped. */ | |
6221 | ||
6222 | static int | |
31302357 | 6223 | swap_mri_condition (int cc) |
252b5132 RH |
6224 | { |
6225 | switch (cc) | |
6226 | { | |
6227 | case MCC ('h', 'i'): return MCC ('c', 's'); | |
6228 | case MCC ('l', 's'): return MCC ('c', 'c'); | |
36759679 | 6229 | /* <HS> is an alias for <CC>. */ |
e1f44d10 | 6230 | case MCC ('h', 's'): |
252b5132 | 6231 | case MCC ('c', 'c'): return MCC ('l', 's'); |
36759679 | 6232 | /* <LO> is an alias for <CS>. */ |
e1f44d10 | 6233 | case MCC ('l', 'o'): |
252b5132 RH |
6234 | case MCC ('c', 's'): return MCC ('h', 'i'); |
6235 | case MCC ('p', 'l'): return MCC ('m', 'i'); | |
6236 | case MCC ('m', 'i'): return MCC ('p', 'l'); | |
6237 | case MCC ('g', 'e'): return MCC ('l', 'e'); | |
6238 | case MCC ('l', 't'): return MCC ('g', 't'); | |
6239 | case MCC ('g', 't'): return MCC ('l', 't'); | |
6240 | case MCC ('l', 'e'): return MCC ('g', 'e'); | |
36759679 | 6241 | /* Issue a warning for conditions we can not swap. */ |
8fc4ee9b AM |
6242 | case MCC ('n', 'e'): return MCC ('n', 'e'); /* no problem here */ |
6243 | case MCC ('e', 'q'): return MCC ('e', 'q'); /* also no problem */ | |
e1f44d10 NC |
6244 | case MCC ('v', 'c'): |
6245 | case MCC ('v', 's'): | |
6246 | default : | |
6247 | as_warn (_("Condition <%c%c> in structured control directive can not be encoded correctly"), | |
6248 | (char) (cc >> 8), (char) (cc)); | |
6249 | break; | |
252b5132 RH |
6250 | } |
6251 | return cc; | |
6252 | } | |
6253 | ||
6254 | /* Reverse the sense of a condition. */ | |
6255 | ||
6256 | static int | |
31302357 | 6257 | reverse_mri_condition (int cc) |
252b5132 RH |
6258 | { |
6259 | switch (cc) | |
6260 | { | |
6261 | case MCC ('h', 'i'): return MCC ('l', 's'); | |
6262 | case MCC ('l', 's'): return MCC ('h', 'i'); | |
e1f44d10 NC |
6263 | /* <HS> is an alias for <CC> */ |
6264 | case MCC ('h', 's'): return MCC ('l', 'o'); | |
252b5132 | 6265 | case MCC ('c', 'c'): return MCC ('c', 's'); |
e1f44d10 NC |
6266 | /* <LO> is an alias for <CS> */ |
6267 | case MCC ('l', 'o'): return MCC ('h', 's'); | |
252b5132 RH |
6268 | case MCC ('c', 's'): return MCC ('c', 'c'); |
6269 | case MCC ('n', 'e'): return MCC ('e', 'q'); | |
6270 | case MCC ('e', 'q'): return MCC ('n', 'e'); | |
6271 | case MCC ('v', 'c'): return MCC ('v', 's'); | |
6272 | case MCC ('v', 's'): return MCC ('v', 'c'); | |
6273 | case MCC ('p', 'l'): return MCC ('m', 'i'); | |
6274 | case MCC ('m', 'i'): return MCC ('p', 'l'); | |
6275 | case MCC ('g', 'e'): return MCC ('l', 't'); | |
6276 | case MCC ('l', 't'): return MCC ('g', 'e'); | |
6277 | case MCC ('g', 't'): return MCC ('l', 'e'); | |
6278 | case MCC ('l', 'e'): return MCC ('g', 't'); | |
6279 | } | |
6280 | return cc; | |
6281 | } | |
6282 | ||
6283 | /* Build an MRI structured control expression. This generates test | |
6284 | and branch instructions. It goes to TRUELAB if the condition is | |
6285 | true, and to FALSELAB if the condition is false. Exactly one of | |
6286 | TRUELAB and FALSELAB will be NULL, meaning to fall through. QUAL | |
6287 | is the size qualifier for the expression. EXTENT is the size to | |
6288 | use for the branch. */ | |
6289 | ||
6290 | static void | |
31302357 AS |
6291 | build_mri_control_operand (int qual, int cc, char *leftstart, char *leftstop, |
6292 | char *rightstart, char *rightstop, | |
6293 | const char *truelab, const char *falselab, | |
6294 | int extent) | |
252b5132 RH |
6295 | { |
6296 | char *buf; | |
6297 | char *s; | |
6298 | ||
6299 | if (leftstart != NULL) | |
6300 | { | |
6301 | struct m68k_op leftop, rightop; | |
6302 | char c; | |
6303 | ||
6304 | /* Swap the compare operands, if necessary, to produce a legal | |
6305 | m68k compare instruction. Comparing a register operand with | |
6306 | a non-register operand requires the register to be on the | |
6307 | right (cmp, cmpa). Comparing an immediate value with | |
6308 | anything requires the immediate value to be on the left | |
6309 | (cmpi). */ | |
6310 | ||
6311 | c = *leftstop; | |
6312 | *leftstop = '\0'; | |
6313 | (void) m68k_ip_op (leftstart, &leftop); | |
6314 | *leftstop = c; | |
6315 | ||
6316 | c = *rightstop; | |
6317 | *rightstop = '\0'; | |
6318 | (void) m68k_ip_op (rightstart, &rightop); | |
6319 | *rightstop = c; | |
6320 | ||
6321 | if (rightop.mode == IMMED | |
6322 | || ((leftop.mode == DREG || leftop.mode == AREG) | |
6323 | && (rightop.mode != DREG && rightop.mode != AREG))) | |
6324 | { | |
6325 | char *temp; | |
6326 | ||
31302357 AS |
6327 | /* Correct conditional handling: |
6328 | if #1 <lt> d0 then ;means if (1 < d0) | |
6329 | ... | |
6330 | endi | |
e1f44d10 | 6331 | |
31302357 | 6332 | should assemble to: |
e1f44d10 | 6333 | |
31302357 AS |
6334 | cmp #1,d0 if we do *not* swap the operands |
6335 | bgt true we need the swapped condition! | |
6336 | ble false | |
6337 | true: | |
6338 | ... | |
6339 | false: | |
6340 | */ | |
252b5132 RH |
6341 | temp = leftstart; |
6342 | leftstart = rightstart; | |
6343 | rightstart = temp; | |
6344 | temp = leftstop; | |
6345 | leftstop = rightstop; | |
6346 | rightstop = temp; | |
8a104df9 KH |
6347 | } |
6348 | else | |
6349 | { | |
e1f44d10 | 6350 | cc = swap_mri_condition (cc); |
252b5132 RH |
6351 | } |
6352 | } | |
6353 | ||
6354 | if (truelab == NULL) | |
6355 | { | |
6356 | cc = reverse_mri_condition (cc); | |
6357 | truelab = falselab; | |
6358 | } | |
92774660 | 6359 | |
252b5132 RH |
6360 | if (leftstart != NULL) |
6361 | { | |
add39d23 TS |
6362 | buf = XNEWVEC (char, (20 |
6363 | + (leftstop - leftstart) | |
6364 | + (rightstop - rightstart))); | |
252b5132 RH |
6365 | s = buf; |
6366 | *s++ = 'c'; | |
6367 | *s++ = 'm'; | |
6368 | *s++ = 'p'; | |
6369 | if (qual != '\0') | |
3882b010 | 6370 | *s++ = TOLOWER (qual); |
252b5132 RH |
6371 | *s++ = ' '; |
6372 | memcpy (s, leftstart, leftstop - leftstart); | |
6373 | s += leftstop - leftstart; | |
6374 | *s++ = ','; | |
6375 | memcpy (s, rightstart, rightstop - rightstart); | |
6376 | s += rightstop - rightstart; | |
6377 | *s = '\0'; | |
6378 | mri_assemble (buf); | |
6379 | free (buf); | |
6380 | } | |
92774660 | 6381 | |
add39d23 | 6382 | buf = XNEWVEC (char, 20 + strlen (truelab)); |
252b5132 RH |
6383 | s = buf; |
6384 | *s++ = 'b'; | |
6385 | *s++ = cc >> 8; | |
6386 | *s++ = cc & 0xff; | |
6387 | if (extent != '\0') | |
3882b010 | 6388 | *s++ = TOLOWER (extent); |
252b5132 RH |
6389 | *s++ = ' '; |
6390 | strcpy (s, truelab); | |
6391 | mri_assemble (buf); | |
6392 | free (buf); | |
6393 | } | |
6394 | ||
6395 | /* Parse an MRI structured control expression. This generates test | |
6396 | and branch instructions. STOP is where the expression ends. It | |
6397 | goes to TRUELAB if the condition is true, and to FALSELAB if the | |
6398 | condition is false. Exactly one of TRUELAB and FALSELAB will be | |
6399 | NULL, meaning to fall through. QUAL is the size qualifier for the | |
6400 | expression. EXTENT is the size to use for the branch. */ | |
6401 | ||
6402 | static void | |
31302357 AS |
6403 | parse_mri_control_expression (char *stop, int qual, const char *truelab, |
6404 | const char *falselab, int extent) | |
252b5132 RH |
6405 | { |
6406 | int c; | |
6407 | int cc; | |
6408 | char *leftstart; | |
6409 | char *leftstop; | |
6410 | char *rightstart; | |
6411 | char *rightstop; | |
6412 | ||
6413 | c = *stop; | |
6414 | *stop = '\0'; | |
6415 | ||
6416 | if (! parse_mri_control_operand (&cc, &leftstart, &leftstop, | |
6417 | &rightstart, &rightstop)) | |
6418 | { | |
6419 | *stop = c; | |
6420 | return; | |
6421 | } | |
6422 | ||
6423 | if (strncasecmp (input_line_pointer, "AND", 3) == 0) | |
6424 | { | |
6425 | const char *flab; | |
6426 | ||
6427 | if (falselab != NULL) | |
6428 | flab = falselab; | |
6429 | else | |
6430 | flab = mri_control_label (); | |
6431 | ||
6432 | build_mri_control_operand (qual, cc, leftstart, leftstop, rightstart, | |
6433 | rightstop, (const char *) NULL, flab, extent); | |
6434 | ||
6435 | input_line_pointer += 3; | |
6436 | if (*input_line_pointer != '.' | |
6437 | || input_line_pointer[1] == '\0') | |
6438 | qual = '\0'; | |
6439 | else | |
6440 | { | |
6441 | qual = input_line_pointer[1]; | |
6442 | input_line_pointer += 2; | |
6443 | } | |
6444 | ||
6445 | if (! parse_mri_control_operand (&cc, &leftstart, &leftstop, | |
6446 | &rightstart, &rightstop)) | |
6447 | { | |
6448 | *stop = c; | |
6449 | return; | |
6450 | } | |
6451 | ||
6452 | build_mri_control_operand (qual, cc, leftstart, leftstop, rightstart, | |
6453 | rightstop, truelab, falselab, extent); | |
6454 | ||
6455 | if (falselab == NULL) | |
6456 | colon (flab); | |
6457 | } | |
6458 | else if (strncasecmp (input_line_pointer, "OR", 2) == 0) | |
6459 | { | |
6460 | const char *tlab; | |
6461 | ||
6462 | if (truelab != NULL) | |
6463 | tlab = truelab; | |
6464 | else | |
6465 | tlab = mri_control_label (); | |
6466 | ||
6467 | build_mri_control_operand (qual, cc, leftstart, leftstop, rightstart, | |
6468 | rightstop, tlab, (const char *) NULL, extent); | |
6469 | ||
6470 | input_line_pointer += 2; | |
6471 | if (*input_line_pointer != '.' | |
6472 | || input_line_pointer[1] == '\0') | |
6473 | qual = '\0'; | |
6474 | else | |
6475 | { | |
6476 | qual = input_line_pointer[1]; | |
6477 | input_line_pointer += 2; | |
6478 | } | |
6479 | ||
6480 | if (! parse_mri_control_operand (&cc, &leftstart, &leftstop, | |
6481 | &rightstart, &rightstop)) | |
6482 | { | |
6483 | *stop = c; | |
6484 | return; | |
6485 | } | |
6486 | ||
6487 | build_mri_control_operand (qual, cc, leftstart, leftstop, rightstart, | |
6488 | rightstop, truelab, falselab, extent); | |
6489 | ||
6490 | if (truelab == NULL) | |
6491 | colon (tlab); | |
6492 | } | |
6493 | else | |
6494 | { | |
6495 | build_mri_control_operand (qual, cc, leftstart, leftstop, rightstart, | |
6496 | rightstop, truelab, falselab, extent); | |
6497 | } | |
6498 | ||
6499 | *stop = c; | |
6500 | if (input_line_pointer != stop) | |
6501 | as_bad (_("syntax error in structured control directive")); | |
6502 | } | |
6503 | ||
6504 | /* Handle the MRI IF pseudo-op. This may be a structured control | |
6505 | directive, or it may be a regular assembler conditional, depending | |
6506 | on its operands. */ | |
6507 | ||
6508 | static void | |
31302357 | 6509 | s_mri_if (int qual) |
252b5132 RH |
6510 | { |
6511 | char *s; | |
6512 | int c; | |
6513 | struct mri_control_info *n; | |
6514 | ||
6515 | /* A structured control directive must end with THEN with an | |
6516 | optional qualifier. */ | |
6517 | s = input_line_pointer; | |
e1f44d10 NC |
6518 | /* We only accept '*' as introduction of comments if preceded by white space |
6519 | or at first column of a line (I think this can't actually happen here?) | |
6520 | This is important when assembling: | |
6521 | if d0 <ne> 12(a0,d0*2) then | |
36759679 | 6522 | if d0 <ne> #CONST*20 then. */ |
31302357 AS |
6523 | while (! (is_end_of_line[(unsigned char) *s] |
6524 | || (flag_mri | |
6525 | && *s == '*' | |
6526 | && (s == input_line_pointer | |
6527 | || *(s-1) == ' ' | |
6528 | || *(s-1) == '\t')))) | |
252b5132 RH |
6529 | ++s; |
6530 | --s; | |
6531 | while (s > input_line_pointer && (*s == ' ' || *s == '\t')) | |
6532 | --s; | |
6533 | ||
6534 | if (s - input_line_pointer > 1 | |
6535 | && s[-1] == '.') | |
6536 | s -= 2; | |
6537 | ||
6538 | if (s - input_line_pointer < 3 | |
6539 | || strncasecmp (s - 3, "THEN", 4) != 0) | |
6540 | { | |
6541 | if (qual != '\0') | |
6542 | { | |
6543 | as_bad (_("missing then")); | |
6544 | ignore_rest_of_line (); | |
6545 | return; | |
6546 | } | |
6547 | ||
6548 | /* It's a conditional. */ | |
6549 | s_if (O_ne); | |
6550 | return; | |
6551 | } | |
6552 | ||
6553 | /* Since this might be a conditional if, this pseudo-op will be | |
6554 | called even if we are supported to be ignoring input. Double | |
6555 | check now. Clobber *input_line_pointer so that ignore_input | |
6556 | thinks that this is not a special pseudo-op. */ | |
6557 | c = *input_line_pointer; | |
6558 | *input_line_pointer = 0; | |
6559 | if (ignore_input ()) | |
6560 | { | |
6561 | *input_line_pointer = c; | |
6562 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6563 | ++input_line_pointer; | |
6564 | demand_empty_rest_of_line (); | |
6565 | return; | |
6566 | } | |
6567 | *input_line_pointer = c; | |
6568 | ||
6569 | n = push_mri_control (mri_if); | |
6570 | ||
6571 | parse_mri_control_expression (s - 3, qual, (const char *) NULL, | |
6572 | n->next, s[1] == '.' ? s[2] : '\0'); | |
6573 | ||
6574 | if (s[1] == '.') | |
6575 | input_line_pointer = s + 3; | |
6576 | else | |
6577 | input_line_pointer = s + 1; | |
6578 | ||
6579 | if (flag_mri) | |
6580 | { | |
6581 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6582 | ++input_line_pointer; | |
6583 | } | |
6584 | ||
6585 | demand_empty_rest_of_line (); | |
6586 | } | |
6587 | ||
6588 | /* Handle the MRI else pseudo-op. If we are currently doing an MRI | |
6589 | structured IF, associate the ELSE with the IF. Otherwise, assume | |
6590 | it is a conditional else. */ | |
6591 | ||
6592 | static void | |
31302357 | 6593 | s_mri_else (int qual) |
252b5132 RH |
6594 | { |
6595 | int c; | |
6596 | char *buf; | |
6597 | char q[2]; | |
6598 | ||
6599 | if (qual == '\0' | |
6600 | && (mri_control_stack == NULL | |
6601 | || mri_control_stack->type != mri_if | |
6602 | || mri_control_stack->else_seen)) | |
6603 | { | |
6604 | s_else (0); | |
6605 | return; | |
6606 | } | |
6607 | ||
6608 | c = *input_line_pointer; | |
6609 | *input_line_pointer = 0; | |
6610 | if (ignore_input ()) | |
6611 | { | |
6612 | *input_line_pointer = c; | |
6613 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6614 | ++input_line_pointer; | |
6615 | demand_empty_rest_of_line (); | |
6616 | return; | |
6617 | } | |
6618 | *input_line_pointer = c; | |
6619 | ||
6620 | if (mri_control_stack == NULL | |
6621 | || mri_control_stack->type != mri_if | |
6622 | || mri_control_stack->else_seen) | |
6623 | { | |
6624 | as_bad (_("else without matching if")); | |
6625 | ignore_rest_of_line (); | |
6626 | return; | |
6627 | } | |
6628 | ||
6629 | mri_control_stack->else_seen = 1; | |
6630 | ||
add39d23 | 6631 | buf = XNEWVEC (char, 20 + strlen (mri_control_stack->bottom)); |
3882b010 | 6632 | q[0] = TOLOWER (qual); |
252b5132 RH |
6633 | q[1] = '\0'; |
6634 | sprintf (buf, "bra%s %s", q, mri_control_stack->bottom); | |
6635 | mri_assemble (buf); | |
6636 | free (buf); | |
6637 | ||
6638 | colon (mri_control_stack->next); | |
6639 | ||
6640 | if (flag_mri) | |
6641 | { | |
6642 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6643 | ++input_line_pointer; | |
6644 | } | |
6645 | ||
6646 | demand_empty_rest_of_line (); | |
6647 | } | |
6648 | ||
6649 | /* Handle the MRI ENDI pseudo-op. */ | |
6650 | ||
6651 | static void | |
31302357 | 6652 | s_mri_endi (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
6653 | { |
6654 | if (mri_control_stack == NULL | |
6655 | || mri_control_stack->type != mri_if) | |
6656 | { | |
6657 | as_bad (_("endi without matching if")); | |
6658 | ignore_rest_of_line (); | |
6659 | return; | |
6660 | } | |
6661 | ||
6662 | /* ignore_input will not return true for ENDI, so we don't need to | |
6663 | worry about checking it again here. */ | |
6664 | ||
6665 | if (! mri_control_stack->else_seen) | |
6666 | colon (mri_control_stack->next); | |
6667 | colon (mri_control_stack->bottom); | |
6668 | ||
6669 | pop_mri_control (); | |
6670 | ||
6671 | if (flag_mri) | |
6672 | { | |
6673 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6674 | ++input_line_pointer; | |
6675 | } | |
6676 | ||
6677 | demand_empty_rest_of_line (); | |
6678 | } | |
6679 | ||
6680 | /* Handle the MRI BREAK pseudo-op. */ | |
6681 | ||
6682 | static void | |
31302357 | 6683 | s_mri_break (int extent) |
252b5132 RH |
6684 | { |
6685 | struct mri_control_info *n; | |
6686 | char *buf; | |
6687 | char ex[2]; | |
6688 | ||
6689 | n = mri_control_stack; | |
6690 | while (n != NULL | |
6691 | && n->type != mri_for | |
6692 | && n->type != mri_repeat | |
6693 | && n->type != mri_while) | |
6694 | n = n->outer; | |
6695 | if (n == NULL) | |
6696 | { | |
6697 | as_bad (_("break outside of structured loop")); | |
6698 | ignore_rest_of_line (); | |
6699 | return; | |
6700 | } | |
6701 | ||
add39d23 | 6702 | buf = XNEWVEC (char, 20 + strlen (n->bottom)); |
3882b010 | 6703 | ex[0] = TOLOWER (extent); |
252b5132 RH |
6704 | ex[1] = '\0'; |
6705 | sprintf (buf, "bra%s %s", ex, n->bottom); | |
6706 | mri_assemble (buf); | |
6707 | free (buf); | |
6708 | ||
6709 | if (flag_mri) | |
6710 | { | |
6711 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6712 | ++input_line_pointer; | |
6713 | } | |
6714 | ||
6715 | demand_empty_rest_of_line (); | |
6716 | } | |
6717 | ||
6718 | /* Handle the MRI NEXT pseudo-op. */ | |
6719 | ||
6720 | static void | |
31302357 | 6721 | s_mri_next (int extent) |
252b5132 RH |
6722 | { |
6723 | struct mri_control_info *n; | |
6724 | char *buf; | |
6725 | char ex[2]; | |
6726 | ||
6727 | n = mri_control_stack; | |
6728 | while (n != NULL | |
6729 | && n->type != mri_for | |
6730 | && n->type != mri_repeat | |
6731 | && n->type != mri_while) | |
6732 | n = n->outer; | |
6733 | if (n == NULL) | |
6734 | { | |
6735 | as_bad (_("next outside of structured loop")); | |
6736 | ignore_rest_of_line (); | |
6737 | return; | |
6738 | } | |
6739 | ||
add39d23 | 6740 | buf = XNEWVEC (char, 20 + strlen (n->next)); |
3882b010 | 6741 | ex[0] = TOLOWER (extent); |
252b5132 RH |
6742 | ex[1] = '\0'; |
6743 | sprintf (buf, "bra%s %s", ex, n->next); | |
6744 | mri_assemble (buf); | |
6745 | free (buf); | |
6746 | ||
6747 | if (flag_mri) | |
6748 | { | |
6749 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6750 | ++input_line_pointer; | |
6751 | } | |
6752 | ||
6753 | demand_empty_rest_of_line (); | |
6754 | } | |
6755 | ||
6756 | /* Handle the MRI FOR pseudo-op. */ | |
6757 | ||
6758 | static void | |
31302357 | 6759 | s_mri_for (int qual) |
252b5132 RH |
6760 | { |
6761 | const char *varstart, *varstop; | |
6762 | const char *initstart, *initstop; | |
6763 | const char *endstart, *endstop; | |
6764 | const char *bystart, *bystop; | |
6765 | int up; | |
6766 | int by; | |
6767 | int extent; | |
6768 | struct mri_control_info *n; | |
6769 | char *buf; | |
6770 | char *s; | |
6771 | char ex[2]; | |
6772 | ||
6773 | /* The syntax is | |
6774 | FOR.q var = init { TO | DOWNTO } end [ BY by ] DO.e | |
6775 | */ | |
6776 | ||
6777 | SKIP_WHITESPACE (); | |
6778 | varstart = input_line_pointer; | |
6779 | ||
6780 | /* Look for the '='. */ | |
6781 | while (! is_end_of_line[(unsigned char) *input_line_pointer] | |
6782 | && *input_line_pointer != '=') | |
6783 | ++input_line_pointer; | |
6784 | if (*input_line_pointer != '=') | |
6785 | { | |
6786 | as_bad (_("missing =")); | |
6787 | ignore_rest_of_line (); | |
6788 | return; | |
6789 | } | |
6790 | ||
6791 | varstop = input_line_pointer; | |
6792 | if (varstop > varstart | |
6793 | && (varstop[-1] == ' ' || varstop[-1] == '\t')) | |
6794 | --varstop; | |
6795 | ||
6796 | ++input_line_pointer; | |
6797 | ||
6798 | initstart = input_line_pointer; | |
6799 | ||
6800 | /* Look for TO or DOWNTO. */ | |
6801 | up = 1; | |
6802 | initstop = NULL; | |
6803 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6804 | { | |
6805 | if (strncasecmp (input_line_pointer, "TO", 2) == 0 | |
6806 | && ! is_part_of_name (input_line_pointer[2])) | |
6807 | { | |
6808 | initstop = input_line_pointer; | |
6809 | input_line_pointer += 2; | |
6810 | break; | |
6811 | } | |
6812 | if (strncasecmp (input_line_pointer, "DOWNTO", 6) == 0 | |
6813 | && ! is_part_of_name (input_line_pointer[6])) | |
6814 | { | |
6815 | initstop = input_line_pointer; | |
6816 | up = 0; | |
6817 | input_line_pointer += 6; | |
6818 | break; | |
6819 | } | |
6820 | ++input_line_pointer; | |
6821 | } | |
6822 | if (initstop == NULL) | |
6823 | { | |
6824 | as_bad (_("missing to or downto")); | |
6825 | ignore_rest_of_line (); | |
6826 | return; | |
6827 | } | |
6828 | if (initstop > initstart | |
6829 | && (initstop[-1] == ' ' || initstop[-1] == '\t')) | |
6830 | --initstop; | |
6831 | ||
6832 | SKIP_WHITESPACE (); | |
6833 | endstart = input_line_pointer; | |
6834 | ||
6835 | /* Look for BY or DO. */ | |
6836 | by = 0; | |
6837 | endstop = NULL; | |
6838 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6839 | { | |
6840 | if (strncasecmp (input_line_pointer, "BY", 2) == 0 | |
6841 | && ! is_part_of_name (input_line_pointer[2])) | |
6842 | { | |
6843 | endstop = input_line_pointer; | |
6844 | by = 1; | |
6845 | input_line_pointer += 2; | |
6846 | break; | |
6847 | } | |
6848 | if (strncasecmp (input_line_pointer, "DO", 2) == 0 | |
6849 | && (input_line_pointer[2] == '.' | |
6850 | || ! is_part_of_name (input_line_pointer[2]))) | |
6851 | { | |
6852 | endstop = input_line_pointer; | |
6853 | input_line_pointer += 2; | |
6854 | break; | |
6855 | } | |
6856 | ++input_line_pointer; | |
6857 | } | |
6858 | if (endstop == NULL) | |
6859 | { | |
6860 | as_bad (_("missing do")); | |
6861 | ignore_rest_of_line (); | |
6862 | return; | |
6863 | } | |
6864 | if (endstop > endstart | |
6865 | && (endstop[-1] == ' ' || endstop[-1] == '\t')) | |
6866 | --endstop; | |
6867 | ||
6868 | if (! by) | |
6869 | { | |
6870 | bystart = "#1"; | |
6871 | bystop = bystart + 2; | |
6872 | } | |
6873 | else | |
6874 | { | |
6875 | SKIP_WHITESPACE (); | |
6876 | bystart = input_line_pointer; | |
6877 | ||
6878 | /* Look for DO. */ | |
6879 | bystop = NULL; | |
6880 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6881 | { | |
6882 | if (strncasecmp (input_line_pointer, "DO", 2) == 0 | |
6883 | && (input_line_pointer[2] == '.' | |
6884 | || ! is_part_of_name (input_line_pointer[2]))) | |
6885 | { | |
6886 | bystop = input_line_pointer; | |
6887 | input_line_pointer += 2; | |
6888 | break; | |
6889 | } | |
6890 | ++input_line_pointer; | |
6891 | } | |
6892 | if (bystop == NULL) | |
6893 | { | |
6894 | as_bad (_("missing do")); | |
6895 | ignore_rest_of_line (); | |
6896 | return; | |
6897 | } | |
6898 | if (bystop > bystart | |
6899 | && (bystop[-1] == ' ' || bystop[-1] == '\t')) | |
6900 | --bystop; | |
6901 | } | |
6902 | ||
6903 | if (*input_line_pointer != '.') | |
6904 | extent = '\0'; | |
6905 | else | |
6906 | { | |
6907 | extent = input_line_pointer[1]; | |
6908 | input_line_pointer += 2; | |
6909 | } | |
6910 | ||
6911 | /* We have fully parsed the FOR operands. Now build the loop. */ | |
252b5132 RH |
6912 | n = push_mri_control (mri_for); |
6913 | ||
add39d23 | 6914 | buf = XNEWVEC (char, 50 + (input_line_pointer - varstart)); |
252b5132 | 6915 | |
36759679 | 6916 | /* Move init,var. */ |
252b5132 RH |
6917 | s = buf; |
6918 | *s++ = 'm'; | |
6919 | *s++ = 'o'; | |
6920 | *s++ = 'v'; | |
6921 | *s++ = 'e'; | |
6922 | if (qual != '\0') | |
3882b010 | 6923 | *s++ = TOLOWER (qual); |
252b5132 RH |
6924 | *s++ = ' '; |
6925 | memcpy (s, initstart, initstop - initstart); | |
6926 | s += initstop - initstart; | |
6927 | *s++ = ','; | |
6928 | memcpy (s, varstart, varstop - varstart); | |
6929 | s += varstop - varstart; | |
6930 | *s = '\0'; | |
6931 | mri_assemble (buf); | |
6932 | ||
6933 | colon (n->top); | |
6934 | ||
36759679 | 6935 | /* cmp end,var. */ |
252b5132 RH |
6936 | s = buf; |
6937 | *s++ = 'c'; | |
6938 | *s++ = 'm'; | |
6939 | *s++ = 'p'; | |
6940 | if (qual != '\0') | |
3882b010 | 6941 | *s++ = TOLOWER (qual); |
252b5132 RH |
6942 | *s++ = ' '; |
6943 | memcpy (s, endstart, endstop - endstart); | |
6944 | s += endstop - endstart; | |
6945 | *s++ = ','; | |
6946 | memcpy (s, varstart, varstop - varstart); | |
6947 | s += varstop - varstart; | |
6948 | *s = '\0'; | |
6949 | mri_assemble (buf); | |
6950 | ||
36759679 | 6951 | /* bcc bottom. */ |
3882b010 | 6952 | ex[0] = TOLOWER (extent); |
252b5132 RH |
6953 | ex[1] = '\0'; |
6954 | if (up) | |
6955 | sprintf (buf, "blt%s %s", ex, n->bottom); | |
6956 | else | |
6957 | sprintf (buf, "bgt%s %s", ex, n->bottom); | |
6958 | mri_assemble (buf); | |
6959 | ||
6960 | /* Put together the add or sub instruction used by ENDF. */ | |
6961 | s = buf; | |
6962 | if (up) | |
6963 | strcpy (s, "add"); | |
6964 | else | |
6965 | strcpy (s, "sub"); | |
6966 | s += 3; | |
6967 | if (qual != '\0') | |
3882b010 | 6968 | *s++ = TOLOWER (qual); |
252b5132 RH |
6969 | *s++ = ' '; |
6970 | memcpy (s, bystart, bystop - bystart); | |
6971 | s += bystop - bystart; | |
6972 | *s++ = ','; | |
6973 | memcpy (s, varstart, varstop - varstart); | |
6974 | s += varstop - varstart; | |
6975 | *s = '\0'; | |
6976 | n->incr = buf; | |
6977 | ||
6978 | if (flag_mri) | |
6979 | { | |
6980 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
6981 | ++input_line_pointer; | |
6982 | } | |
6983 | ||
6984 | demand_empty_rest_of_line (); | |
6985 | } | |
6986 | ||
6987 | /* Handle the MRI ENDF pseudo-op. */ | |
6988 | ||
6989 | static void | |
31302357 | 6990 | s_mri_endf (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
6991 | { |
6992 | if (mri_control_stack == NULL | |
6993 | || mri_control_stack->type != mri_for) | |
6994 | { | |
6995 | as_bad (_("endf without for")); | |
6996 | ignore_rest_of_line (); | |
6997 | return; | |
6998 | } | |
6999 | ||
7000 | colon (mri_control_stack->next); | |
7001 | ||
7002 | mri_assemble (mri_control_stack->incr); | |
7003 | ||
7004 | sprintf (mri_control_stack->incr, "bra %s", mri_control_stack->top); | |
7005 | mri_assemble (mri_control_stack->incr); | |
7006 | ||
7007 | free (mri_control_stack->incr); | |
7008 | ||
7009 | colon (mri_control_stack->bottom); | |
7010 | ||
7011 | pop_mri_control (); | |
7012 | ||
7013 | if (flag_mri) | |
7014 | { | |
7015 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
7016 | ++input_line_pointer; | |
7017 | } | |
7018 | ||
7019 | demand_empty_rest_of_line (); | |
7020 | } | |
7021 | ||
7022 | /* Handle the MRI REPEAT pseudo-op. */ | |
7023 | ||
7024 | static void | |
31302357 | 7025 | s_mri_repeat (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
7026 | { |
7027 | struct mri_control_info *n; | |
7028 | ||
7029 | n = push_mri_control (mri_repeat); | |
7030 | colon (n->top); | |
7031 | if (flag_mri) | |
7032 | { | |
7033 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
7034 | ++input_line_pointer; | |
7035 | } | |
7036 | demand_empty_rest_of_line (); | |
7037 | } | |
7038 | ||
7039 | /* Handle the MRI UNTIL pseudo-op. */ | |
7040 | ||
7041 | static void | |
31302357 | 7042 | s_mri_until (int qual) |
252b5132 RH |
7043 | { |
7044 | char *s; | |
7045 | ||
7046 | if (mri_control_stack == NULL | |
7047 | || mri_control_stack->type != mri_repeat) | |
7048 | { | |
7049 | as_bad (_("until without repeat")); | |
7050 | ignore_rest_of_line (); | |
7051 | return; | |
7052 | } | |
7053 | ||
7054 | colon (mri_control_stack->next); | |
7055 | ||
7056 | for (s = input_line_pointer; ! is_end_of_line[(unsigned char) *s]; s++) | |
7057 | ; | |
7058 | ||
7059 | parse_mri_control_expression (s, qual, (const char *) NULL, | |
7060 | mri_control_stack->top, '\0'); | |
7061 | ||
7062 | colon (mri_control_stack->bottom); | |
7063 | ||
7064 | input_line_pointer = s; | |
7065 | ||
7066 | pop_mri_control (); | |
7067 | ||
7068 | if (flag_mri) | |
7069 | { | |
7070 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
7071 | ++input_line_pointer; | |
7072 | } | |
7073 | ||
7074 | demand_empty_rest_of_line (); | |
7075 | } | |
7076 | ||
7077 | /* Handle the MRI WHILE pseudo-op. */ | |
7078 | ||
7079 | static void | |
31302357 | 7080 | s_mri_while (int qual) |
252b5132 RH |
7081 | { |
7082 | char *s; | |
7083 | ||
7084 | struct mri_control_info *n; | |
7085 | ||
7086 | s = input_line_pointer; | |
e1f44d10 NC |
7087 | /* We only accept '*' as introduction of comments if preceded by white space |
7088 | or at first column of a line (I think this can't actually happen here?) | |
7089 | This is important when assembling: | |
7090 | while d0 <ne> 12(a0,d0*2) do | |
36759679 | 7091 | while d0 <ne> #CONST*20 do. */ |
8a104df9 KH |
7092 | while (! (is_end_of_line[(unsigned char) *s] |
7093 | || (flag_mri | |
7094 | && *s == '*' | |
7095 | && (s == input_line_pointer | |
7096 | || *(s-1) == ' ' | |
7097 | || *(s-1) == '\t')))) | |
252b5132 RH |
7098 | s++; |
7099 | --s; | |
7100 | while (*s == ' ' || *s == '\t') | |
7101 | --s; | |
7102 | if (s - input_line_pointer > 1 | |
7103 | && s[-1] == '.') | |
7104 | s -= 2; | |
7105 | if (s - input_line_pointer < 2 | |
7106 | || strncasecmp (s - 1, "DO", 2) != 0) | |
7107 | { | |
7108 | as_bad (_("missing do")); | |
7109 | ignore_rest_of_line (); | |
7110 | return; | |
7111 | } | |
7112 | ||
7113 | n = push_mri_control (mri_while); | |
7114 | ||
7115 | colon (n->next); | |
7116 | ||
7117 | parse_mri_control_expression (s - 1, qual, (const char *) NULL, n->bottom, | |
7118 | s[1] == '.' ? s[2] : '\0'); | |
7119 | ||
7120 | input_line_pointer = s + 1; | |
7121 | if (*input_line_pointer == '.') | |
7122 | input_line_pointer += 2; | |
7123 | ||
7124 | if (flag_mri) | |
7125 | { | |
7126 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
7127 | ++input_line_pointer; | |
7128 | } | |
7129 | ||
7130 | demand_empty_rest_of_line (); | |
7131 | } | |
7132 | ||
7133 | /* Handle the MRI ENDW pseudo-op. */ | |
7134 | ||
7135 | static void | |
31302357 | 7136 | s_mri_endw (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
7137 | { |
7138 | char *buf; | |
7139 | ||
7140 | if (mri_control_stack == NULL | |
7141 | || mri_control_stack->type != mri_while) | |
7142 | { | |
7143 | as_bad (_("endw without while")); | |
7144 | ignore_rest_of_line (); | |
7145 | return; | |
7146 | } | |
7147 | ||
add39d23 | 7148 | buf = XNEWVEC (char, 20 + strlen (mri_control_stack->next)); |
252b5132 RH |
7149 | sprintf (buf, "bra %s", mri_control_stack->next); |
7150 | mri_assemble (buf); | |
7151 | free (buf); | |
7152 | ||
7153 | colon (mri_control_stack->bottom); | |
7154 | ||
7155 | pop_mri_control (); | |
7156 | ||
7157 | if (flag_mri) | |
7158 | { | |
7159 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
7160 | ++input_line_pointer; | |
7161 | } | |
7162 | ||
7163 | demand_empty_rest_of_line (); | |
7164 | } | |
7165 | \f | |
266abb8f NS |
7166 | /* Parse a .cpu directive. */ |
7167 | ||
7168 | static void | |
7169 | s_m68k_cpu (int ignored ATTRIBUTE_UNUSED) | |
7170 | { | |
7171 | char saved_char; | |
7172 | char *name; | |
7173 | ||
7174 | if (initialized) | |
7175 | { | |
7176 | as_bad (_("already assembled instructions")); | |
7177 | ignore_rest_of_line (); | |
7178 | return; | |
7179 | } | |
3739860c | 7180 | |
266abb8f NS |
7181 | name = input_line_pointer; |
7182 | while (*input_line_pointer && !ISSPACE(*input_line_pointer)) | |
7183 | input_line_pointer++; | |
7184 | saved_char = *input_line_pointer; | |
7185 | *input_line_pointer = 0; | |
7186 | ||
7187 | m68k_set_cpu (name, 1, 0); | |
3739860c | 7188 | |
266abb8f NS |
7189 | *input_line_pointer = saved_char; |
7190 | demand_empty_rest_of_line (); | |
7191 | return; | |
7192 | } | |
7193 | ||
7194 | /* Parse a .arch directive. */ | |
7195 | ||
7196 | static void | |
7197 | s_m68k_arch (int ignored ATTRIBUTE_UNUSED) | |
7198 | { | |
7199 | char saved_char; | |
7200 | char *name; | |
7201 | ||
7202 | if (initialized) | |
7203 | { | |
7204 | as_bad (_("already assembled instructions")); | |
7205 | ignore_rest_of_line (); | |
7206 | return; | |
7207 | } | |
3739860c | 7208 | |
266abb8f NS |
7209 | name = input_line_pointer; |
7210 | while (*input_line_pointer && *input_line_pointer != ',' | |
7211 | && !ISSPACE (*input_line_pointer)) | |
7212 | input_line_pointer++; | |
7213 | saved_char = *input_line_pointer; | |
7214 | *input_line_pointer = 0; | |
7215 | ||
7216 | if (m68k_set_arch (name, 1, 0)) | |
7217 | { | |
7218 | /* Scan extensions. */ | |
7219 | do | |
7220 | { | |
7221 | *input_line_pointer++ = saved_char; | |
7222 | if (!*input_line_pointer || ISSPACE (*input_line_pointer)) | |
7223 | break; | |
7224 | name = input_line_pointer; | |
7225 | while (*input_line_pointer && *input_line_pointer != ',' | |
7226 | && !ISSPACE (*input_line_pointer)) | |
7227 | input_line_pointer++; | |
7228 | saved_char = *input_line_pointer; | |
7229 | *input_line_pointer = 0; | |
7230 | } | |
7231 | while (m68k_set_extension (name, 1, 0)); | |
7232 | } | |
3739860c | 7233 | |
266abb8f NS |
7234 | *input_line_pointer = saved_char; |
7235 | demand_empty_rest_of_line (); | |
7236 | return; | |
7237 | } | |
7238 | \f | |
7239 | /* Lookup a cpu name in TABLE and return the slot found. Return NULL | |
7240 | if none is found, the caller is responsible for emitting an error | |
7241 | message. If ALLOW_M is non-zero, we allow an initial 'm' on the | |
7242 | cpu name, if it begins with a '6' (possibly skipping an intervening | |
7243 | 'c'. We also allow a 'c' in the same place. if NEGATED is | |
7244 | non-zero, we accept a leading 'no-' and *NEGATED is set to true, if | |
7245 | the option is indeed negated. */ | |
7246 | ||
7247 | static const struct m68k_cpu * | |
7248 | m68k_lookup_cpu (const char *arg, const struct m68k_cpu *table, | |
7249 | int allow_m, int *negated) | |
7250 | { | |
7251 | /* allow negated value? */ | |
7252 | if (negated) | |
7253 | { | |
7254 | *negated = 0; | |
7255 | ||
7256 | if (arg[0] == 'n' && arg[1] == 'o' && arg[2] == '-') | |
7257 | { | |
7258 | arg += 3; | |
7259 | *negated = 1; | |
7260 | } | |
7261 | } | |
3739860c | 7262 | |
266abb8f NS |
7263 | /* Remove 'm' or 'mc' prefix from 68k variants. */ |
7264 | if (allow_m) | |
7265 | { | |
7266 | if (arg[0] == 'm') | |
7267 | { | |
7268 | if (arg[1] == '6') | |
7269 | arg += 1; | |
7270 | else if (arg[1] == 'c' && arg[2] == '6') | |
7271 | arg += 2; | |
7272 | } | |
7273 | } | |
7274 | else if (arg[0] == 'c' && arg[1] == '6') | |
7275 | arg += 1; | |
7276 | ||
7277 | for (; table->name; table++) | |
7278 | if (!strcmp (arg, table->name)) | |
2da12c60 NS |
7279 | { |
7280 | if (table->alias < -1 || table->alias > 1) | |
7281 | as_bad (_("`%s' is deprecated, use `%s'"), | |
7282 | table->name, table[table->alias < 0 ? 1 : -1].name); | |
7283 | return table; | |
7284 | } | |
266abb8f NS |
7285 | return 0; |
7286 | } | |
7287 | ||
bfbba8e4 | 7288 | /* Set the cpu, issuing errors if it is unrecognized. */ |
266abb8f NS |
7289 | |
7290 | static int | |
7291 | m68k_set_cpu (char const *name, int allow_m, int silent) | |
7292 | { | |
7293 | const struct m68k_cpu *cpu; | |
7294 | ||
7295 | cpu = m68k_lookup_cpu (name, m68k_cpus, allow_m, NULL); | |
7296 | ||
7297 | if (!cpu) | |
7298 | { | |
7299 | if (!silent) | |
7300 | as_bad (_("cpu `%s' unrecognized"), name); | |
7301 | return 0; | |
7302 | } | |
266abb8f NS |
7303 | selected_cpu = cpu; |
7304 | return 1; | |
7305 | } | |
7306 | ||
bfbba8e4 | 7307 | /* Set the architecture, issuing errors if it is unrecognized. */ |
266abb8f NS |
7308 | |
7309 | static int | |
7310 | m68k_set_arch (char const *name, int allow_m, int silent) | |
7311 | { | |
7312 | const struct m68k_cpu *arch; | |
7313 | ||
7314 | arch = m68k_lookup_cpu (name, m68k_archs, allow_m, NULL); | |
7315 | ||
7316 | if (!arch) | |
7317 | { | |
7318 | if (!silent) | |
7319 | as_bad (_("architecture `%s' unrecognized"), name); | |
7320 | return 0; | |
7321 | } | |
266abb8f NS |
7322 | selected_arch = arch; |
7323 | return 1; | |
7324 | } | |
7325 | ||
7326 | /* Set the architecture extension, issuing errors if it is | |
7327 | unrecognized, or invalid */ | |
7328 | ||
7329 | static int | |
7330 | m68k_set_extension (char const *name, int allow_m, int silent) | |
7331 | { | |
7332 | int negated; | |
7333 | const struct m68k_cpu *ext; | |
7334 | ||
7335 | ext = m68k_lookup_cpu (name, m68k_extensions, allow_m, &negated); | |
7336 | ||
7337 | if (!ext) | |
7338 | { | |
7339 | if (!silent) | |
7340 | as_bad (_("extension `%s' unrecognized"), name); | |
7341 | return 0; | |
7342 | } | |
7343 | ||
7344 | if (negated) | |
87298967 NS |
7345 | not_current_architecture |= (ext->control_regs |
7346 | ? *(unsigned *)ext->control_regs: ext->arch); | |
266abb8f NS |
7347 | else |
7348 | current_architecture |= ext->arch; | |
7349 | return 1; | |
7350 | } | |
7351 | ||
31302357 AS |
7352 | /* md_parse_option |
7353 | Invocation line includes a switch not recognized by the base assembler. | |
266abb8f | 7354 | */ |
252b5132 | 7355 | |
5a38dc70 | 7356 | const char *md_shortopts = "lSA:m:kQ:V"; |
252b5132 RH |
7357 | |
7358 | struct option md_longopts[] = { | |
7359 | #define OPTION_PIC (OPTION_MD_BASE) | |
7360 | {"pic", no_argument, NULL, OPTION_PIC}, | |
7361 | #define OPTION_REGISTER_PREFIX_OPTIONAL (OPTION_MD_BASE + 1) | |
7362 | {"register-prefix-optional", no_argument, NULL, | |
7363 | OPTION_REGISTER_PREFIX_OPTIONAL}, | |
7364 | #define OPTION_BITWISE_OR (OPTION_MD_BASE + 2) | |
7365 | {"bitwise-or", no_argument, NULL, OPTION_BITWISE_OR}, | |
7366 | #define OPTION_BASE_SIZE_DEFAULT_16 (OPTION_MD_BASE + 3) | |
7367 | {"base-size-default-16", no_argument, NULL, OPTION_BASE_SIZE_DEFAULT_16}, | |
7368 | #define OPTION_BASE_SIZE_DEFAULT_32 (OPTION_MD_BASE + 4) | |
7369 | {"base-size-default-32", no_argument, NULL, OPTION_BASE_SIZE_DEFAULT_32}, | |
7370 | #define OPTION_DISP_SIZE_DEFAULT_16 (OPTION_MD_BASE + 5) | |
7371 | {"disp-size-default-16", no_argument, NULL, OPTION_DISP_SIZE_DEFAULT_16}, | |
7372 | #define OPTION_DISP_SIZE_DEFAULT_32 (OPTION_MD_BASE + 6) | |
7373 | {"disp-size-default-32", no_argument, NULL, OPTION_DISP_SIZE_DEFAULT_32}, | |
28e7409f NC |
7374 | #define OPTION_PCREL (OPTION_MD_BASE + 7) |
7375 | {"pcrel", no_argument, NULL, OPTION_PCREL}, | |
252b5132 RH |
7376 | {NULL, no_argument, NULL, 0} |
7377 | }; | |
bc805888 | 7378 | size_t md_longopts_size = sizeof (md_longopts); |
252b5132 RH |
7379 | |
7380 | int | |
17b9d67d | 7381 | md_parse_option (int c, const char *arg) |
252b5132 RH |
7382 | { |
7383 | switch (c) | |
7384 | { | |
7385 | case 'l': /* -l means keep external to 2 bit offset | |
36759679 | 7386 | rather than 16 bit one. */ |
252b5132 RH |
7387 | flag_short_refs = 1; |
7388 | break; | |
7389 | ||
7390 | case 'S': /* -S means that jbsr's always turn into | |
7391 | jsr's. */ | |
7392 | flag_long_jumps = 1; | |
7393 | break; | |
7394 | ||
28e7409f NC |
7395 | case OPTION_PCREL: /* --pcrel means never turn PC-relative |
7396 | branches into absolute jumps. */ | |
7397 | flag_keep_pcrel = 1; | |
7398 | break; | |
7399 | ||
252b5132 RH |
7400 | case OPTION_PIC: |
7401 | case 'k': | |
7402 | flag_want_pic = 1; | |
36759679 | 7403 | break; /* -pic, Position Independent Code. */ |
252b5132 RH |
7404 | |
7405 | case OPTION_REGISTER_PREFIX_OPTIONAL: | |
7406 | flag_reg_prefix_optional = 1; | |
7407 | reg_prefix_optional_seen = 1; | |
7408 | break; | |
7409 | ||
7410 | /* -V: SVR4 argument to print version ID. */ | |
7411 | case 'V': | |
7412 | print_version_id (); | |
7413 | break; | |
7414 | ||
7415 | /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section | |
7416 | should be emitted or not. FIXME: Not implemented. */ | |
7417 | case 'Q': | |
7418 | break; | |
7419 | ||
7420 | case OPTION_BITWISE_OR: | |
7421 | { | |
7422 | char *n, *t; | |
7423 | const char *s; | |
7424 | ||
add39d23 | 7425 | n = XNEWVEC (char, strlen (m68k_comment_chars) + 1); |
252b5132 RH |
7426 | t = n; |
7427 | for (s = m68k_comment_chars; *s != '\0'; s++) | |
7428 | if (*s != '|') | |
7429 | *t++ = *s; | |
7430 | *t = '\0'; | |
7431 | m68k_comment_chars = n; | |
7432 | } | |
7433 | break; | |
7434 | ||
7435 | case OPTION_BASE_SIZE_DEFAULT_16: | |
7436 | m68k_index_width_default = SIZE_WORD; | |
7437 | break; | |
7438 | ||
7439 | case OPTION_BASE_SIZE_DEFAULT_32: | |
7440 | m68k_index_width_default = SIZE_LONG; | |
7441 | break; | |
7442 | ||
7443 | case OPTION_DISP_SIZE_DEFAULT_16: | |
7444 | m68k_rel32 = 0; | |
7445 | m68k_rel32_from_cmdline = 1; | |
7446 | break; | |
7447 | ||
7448 | case OPTION_DISP_SIZE_DEFAULT_32: | |
7449 | m68k_rel32 = 1; | |
7450 | m68k_rel32_from_cmdline = 1; | |
7451 | break; | |
7452 | ||
266abb8f NS |
7453 | case 'A': |
7454 | #if WARN_DEPRECATED | |
7455 | as_tsktsk (_ ("option `-A%s' is deprecated: use `-%s'", | |
7456 | arg, arg)); | |
7457 | #endif | |
7458 | /* Intentional fall-through. */ | |
7459 | case 'm': | |
d34049e8 | 7460 | if (startswith (arg, "arch=")) |
266abb8f | 7461 | m68k_set_arch (arg + 5, 1, 0); |
d34049e8 | 7462 | else if (startswith (arg, "cpu=")) |
266abb8f NS |
7463 | m68k_set_cpu (arg + 4, 1, 0); |
7464 | else if (m68k_set_extension (arg, 0, 1)) | |
7465 | ; | |
0b2e31dc NS |
7466 | else if (m68k_set_arch (arg, 0, 1)) |
7467 | ; | |
266abb8f NS |
7468 | else if (m68k_set_cpu (arg, 0, 1)) |
7469 | ; | |
7470 | else | |
7471 | return 0; | |
7472 | break; | |
7473 | ||
252b5132 RH |
7474 | default: |
7475 | return 0; | |
7476 | } | |
7477 | ||
7478 | return 1; | |
7479 | } | |
7480 | ||
266abb8f NS |
7481 | /* Setup tables from the selected arch and/or cpu */ |
7482 | ||
7483 | static void | |
7484 | m68k_init_arch (void) | |
7485 | { | |
266abb8f NS |
7486 | if (not_current_architecture & current_architecture) |
7487 | { | |
7488 | as_bad (_("architecture features both enabled and disabled")); | |
7489 | not_current_architecture &= ~current_architecture; | |
7490 | } | |
7491 | if (selected_arch) | |
2da12c60 NS |
7492 | { |
7493 | current_architecture |= selected_arch->arch; | |
7494 | control_regs = selected_arch->control_regs; | |
7495 | } | |
0b2e31dc NS |
7496 | else |
7497 | current_architecture |= selected_cpu->arch; | |
3739860c | 7498 | |
2da12c60 NS |
7499 | current_architecture &= ~not_current_architecture; |
7500 | ||
377260ba NS |
7501 | if ((current_architecture & (cfloat | m68881)) == (cfloat | m68881)) |
7502 | { | |
7503 | /* Determine which float is really meant. */ | |
7504 | if (current_architecture & (m68k_mask & ~m68881)) | |
7505 | current_architecture ^= cfloat; | |
7506 | else | |
7507 | current_architecture ^= m68881; | |
7508 | } | |
7509 | ||
0b2e31dc | 7510 | if (selected_cpu) |
266abb8f | 7511 | { |
2da12c60 | 7512 | control_regs = selected_cpu->control_regs; |
0b2e31dc | 7513 | if (current_architecture & ~selected_cpu->arch) |
266abb8f | 7514 | { |
0b2e31dc NS |
7515 | as_bad (_("selected processor does not have all features of selected architecture")); |
7516 | current_architecture | |
7517 | = selected_cpu->arch & ~not_current_architecture; | |
266abb8f NS |
7518 | } |
7519 | } | |
266abb8f | 7520 | |
266abb8f NS |
7521 | if ((current_architecture & m68k_mask) |
7522 | && (current_architecture & ~m68k_mask)) | |
7523 | { | |
7524 | as_bad (_ ("m68k and cf features both selected")); | |
0b2e31dc | 7525 | if (current_architecture & m68k_mask) |
266abb8f NS |
7526 | current_architecture &= m68k_mask; |
7527 | else | |
7528 | current_architecture &= ~m68k_mask; | |
7529 | } | |
3739860c | 7530 | |
266abb8f NS |
7531 | /* Permit m68881 specification with all cpus; those that can't work |
7532 | with a coprocessor could be doing emulation. */ | |
7533 | if (current_architecture & m68851) | |
7534 | { | |
7535 | if (current_architecture & m68040) | |
7536 | as_warn (_("68040 and 68851 specified; mmu instructions may assemble incorrectly")); | |
7537 | } | |
7538 | /* What other incompatibilities could we check for? */ | |
7539 | ||
266abb8f NS |
7540 | if (cpu_of_arch (current_architecture) < m68020 |
7541 | || arch_coldfire_p (current_architecture)) | |
7542 | md_relax_table[TAB (PCINDEX, BYTE)].rlx_more = 0; | |
3739860c | 7543 | |
266abb8f NS |
7544 | initialized = 1; |
7545 | } | |
7546 | ||
252b5132 | 7547 | void |
31302357 | 7548 | md_show_usage (FILE *stream) |
252b5132 | 7549 | { |
76f57f3a | 7550 | const char *default_cpu = TARGET_CPU; |
f1f5ef86 | 7551 | int i; |
76f57f3a | 7552 | |
8a104df9 | 7553 | /* Get the canonical name for the default target CPU. */ |
76f57f3a JT |
7554 | if (*default_cpu == 'm') |
7555 | default_cpu++; | |
266abb8f | 7556 | for (i = 0; m68k_cpus[i].name; i++) |
76f57f3a | 7557 | { |
266abb8f | 7558 | if (strcasecmp (default_cpu, m68k_cpus[i].name) == 0) |
76f57f3a | 7559 | { |
2da12c60 NS |
7560 | while (m68k_cpus[i].alias > 0) |
7561 | i--; | |
7562 | while (m68k_cpus[i].alias < 0) | |
7563 | i++; | |
7564 | default_cpu = m68k_cpus[i].name; | |
76f57f3a JT |
7565 | } |
7566 | } | |
7567 | ||
bc805888 | 7568 | fprintf (stream, _("\ |
266abb8f NS |
7569 | -march=<arch> set architecture\n\ |
7570 | -mcpu=<cpu> set cpu [default %s]\n\ | |
7571 | "), default_cpu); | |
7572 | for (i = 0; m68k_extensions[i].name; i++) | |
7573 | fprintf (stream, _("\ | |
33eaf5de | 7574 | -m[no-]%-16s enable/disable %s architecture extension\n\ |
0b2e31dc NS |
7575 | "), m68k_extensions[i].name, |
7576 | m68k_extensions[i].alias > 0 ? " ColdFire" | |
7577 | : m68k_extensions[i].alias < 0 ? " m68k" : ""); | |
3739860c | 7578 | |
bc805888 | 7579 | fprintf (stream, _("\ |
266abb8f | 7580 | -l use 1 word for refs to undefined symbols [default 2]\n\ |
252b5132 RH |
7581 | -pic, -k generate position independent code\n\ |
7582 | -S turn jbsr into jsr\n\ | |
28e7409f | 7583 | --pcrel never turn PC-relative branches into absolute jumps\n\ |
252b5132 RH |
7584 | --register-prefix-optional\n\ |
7585 | recognize register names without prefix character\n\ | |
266abb8f | 7586 | --bitwise-or do not treat `|' as a comment character\n\ |
252b5132 RH |
7587 | --base-size-default-16 base reg without size is 16 bits\n\ |
7588 | --base-size-default-32 base reg without size is 32 bits (default)\n\ | |
7589 | --disp-size-default-16 displacement with unknown size is 16 bits\n\ | |
266abb8f NS |
7590 | --disp-size-default-32 displacement with unknown size is 32 bits (default)\n\ |
7591 | ")); | |
3739860c | 7592 | |
266abb8f NS |
7593 | fprintf (stream, _("Architecture variants are: ")); |
7594 | for (i = 0; m68k_archs[i].name; i++) | |
7595 | { | |
7596 | if (i) | |
7597 | fprintf (stream, " | "); | |
87298967 | 7598 | fprintf (stream, "%s", m68k_archs[i].name); |
266abb8f NS |
7599 | } |
7600 | fprintf (stream, "\n"); | |
7601 | ||
7602 | fprintf (stream, _("Processor variants are: ")); | |
7603 | for (i = 0; m68k_cpus[i].name; i++) | |
7604 | { | |
7605 | if (i) | |
7606 | fprintf (stream, " | "); | |
87298967 | 7607 | fprintf (stream, "%s", m68k_cpus[i].name); |
266abb8f NS |
7608 | } |
7609 | fprintf (stream, _("\n")); | |
252b5132 RH |
7610 | } |
7611 | \f | |
7612 | #ifdef TEST2 | |
7613 | ||
7614 | /* TEST2: Test md_assemble() */ | |
36759679 NC |
7615 | /* Warning, this routine probably doesn't work anymore. */ |
7616 | int | |
31302357 | 7617 | main (void) |
252b5132 RH |
7618 | { |
7619 | struct m68k_it the_ins; | |
7620 | char buf[120]; | |
7621 | char *cp; | |
7622 | int n; | |
7623 | ||
7624 | m68k_ip_begin (); | |
7625 | for (;;) | |
7626 | { | |
7627 | if (!gets (buf) || !*buf) | |
7628 | break; | |
7629 | if (buf[0] == '|' || buf[1] == '.') | |
7630 | continue; | |
7631 | for (cp = buf; *cp; cp++) | |
7632 | if (*cp == '\t') | |
7633 | *cp = ' '; | |
7634 | if (is_label (buf)) | |
7635 | continue; | |
7636 | memset (&the_ins, '\0', sizeof (the_ins)); | |
7637 | m68k_ip (&the_ins, buf); | |
7638 | if (the_ins.error) | |
7639 | { | |
7640 | printf (_("Error %s in %s\n"), the_ins.error, buf); | |
7641 | } | |
7642 | else | |
7643 | { | |
7644 | printf (_("Opcode(%d.%s): "), the_ins.numo, the_ins.args); | |
7645 | for (n = 0; n < the_ins.numo; n++) | |
7646 | printf (" 0x%x", the_ins.opcode[n] & 0xffff); | |
7647 | printf (" "); | |
7648 | print_the_insn (&the_ins.opcode[0], stdout); | |
7649 | (void) putchar ('\n'); | |
7650 | } | |
7651 | for (n = 0; n < strlen (the_ins.args) / 2; n++) | |
7652 | { | |
7653 | if (the_ins.operands[n].error) | |
7654 | { | |
7655 | printf ("op%d Error %s in %s\n", n, the_ins.operands[n].error, buf); | |
7656 | continue; | |
7657 | } | |
31302357 AS |
7658 | printf ("mode %d, reg %d, ", the_ins.operands[n].mode, |
7659 | the_ins.operands[n].reg); | |
252b5132 | 7660 | if (the_ins.operands[n].b_const) |
31302357 AS |
7661 | printf ("Constant: '%.*s', ", |
7662 | 1 + the_ins.operands[n].e_const - the_ins.operands[n].b_const, | |
7663 | the_ins.operands[n].b_const); | |
7664 | printf ("ireg %d, isiz %d, imul %d, ", the_ins.operands[n].ireg, | |
7665 | the_ins.operands[n].isiz, the_ins.operands[n].imul); | |
252b5132 | 7666 | if (the_ins.operands[n].b_iadd) |
31302357 AS |
7667 | printf ("Iadd: '%.*s',", |
7668 | 1 + the_ins.operands[n].e_iadd - the_ins.operands[n].b_iadd, | |
7669 | the_ins.operands[n].b_iadd); | |
7670 | putchar ('\n'); | |
252b5132 RH |
7671 | } |
7672 | } | |
7673 | m68k_ip_end (); | |
7674 | return 0; | |
7675 | } | |
7676 | ||
31302357 AS |
7677 | int |
7678 | is_label (char *str) | |
252b5132 RH |
7679 | { |
7680 | while (*str == ' ') | |
7681 | str++; | |
7682 | while (*str && *str != ' ') | |
7683 | str++; | |
7684 | if (str[-1] == ':' || str[1] == '=') | |
7685 | return 1; | |
7686 | return 0; | |
7687 | } | |
7688 | ||
7689 | #endif | |
7690 | ||
7691 | /* Possible states for relaxation: | |
7692 | ||
7693 | 0 0 branch offset byte (bra, etc) | |
7694 | 0 1 word | |
7695 | 0 2 long | |
7696 | ||
7697 | 1 0 indexed offsets byte a0@(32,d4:w:1) etc | |
7698 | 1 1 word | |
7699 | 1 2 long | |
7700 | ||
7701 | 2 0 two-offset index word-word a0@(32,d4)@(45) etc | |
7702 | 2 1 word-long | |
7703 | 2 2 long-word | |
7704 | 2 3 long-long | |
7705 | ||
7706 | */ | |
7707 | ||
7708 | /* We have no need to default values of symbols. */ | |
7709 | ||
252b5132 | 7710 | symbolS * |
31302357 | 7711 | md_undefined_symbol (char *name ATTRIBUTE_UNUSED) |
252b5132 RH |
7712 | { |
7713 | return 0; | |
7714 | } | |
7715 | ||
7716 | /* Round up a section size to the appropriate boundary. */ | |
7717 | valueT | |
31302357 | 7718 | md_section_align (segT segment ATTRIBUTE_UNUSED, valueT size) |
252b5132 | 7719 | { |
252b5132 RH |
7720 | return size; |
7721 | } | |
7722 | ||
7723 | /* Exactly what point is a PC-relative offset relative TO? | |
7724 | On the 68k, it is relative to the address of the first extension | |
7725 | word. The difference between the addresses of the offset and the | |
92774660 | 7726 | first extension word is stored in fx_pcrel_adjust. */ |
252b5132 | 7727 | long |
31302357 | 7728 | md_pcrel_from (fixS *fixP) |
252b5132 RH |
7729 | { |
7730 | int adjust; | |
7731 | ||
552c607f | 7732 | adjust = fixP->fx_pcrel_adjust; |
252b5132 RH |
7733 | if (adjust == 64) |
7734 | adjust = -1; | |
7735 | return fixP->fx_where + fixP->fx_frag->fr_address - adjust; | |
7736 | } | |
7737 | ||
8a104df9 | 7738 | void |
31302357 | 7739 | m68k_elf_final_processing (void) |
0d96863f | 7740 | { |
266abb8f | 7741 | unsigned flags = 0; |
3739860c | 7742 | |
238d258f | 7743 | if (arch_coldfire_fpu (current_architecture)) |
266abb8f NS |
7744 | flags |= EF_M68K_CFV4E; |
7745 | /* Set file-specific flags if this is a cpu32 processor. */ | |
8a104df9 | 7746 | if (cpu_of_arch (current_architecture) & cpu32) |
3bdcfdf4 KH |
7747 | flags |= EF_M68K_CPU32; |
7748 | else if (cpu_of_arch (current_architecture) & fido_a) | |
7749 | flags |= EF_M68K_FIDO; | |
8a104df9 KH |
7750 | else if ((cpu_of_arch (current_architecture) & m68000up) |
7751 | && !(cpu_of_arch (current_architecture) & m68020up)) | |
266abb8f | 7752 | flags |= EF_M68K_M68000; |
3739860c | 7753 | |
266abb8f NS |
7754 | if (current_architecture & mcfisa_a) |
7755 | { | |
0b2e31dc NS |
7756 | static const unsigned isa_features[][2] = |
7757 | { | |
9a2e615a | 7758 | {EF_M68K_CF_ISA_A_NODIV,mcfisa_a}, |
c694fd50 | 7759 | {EF_M68K_CF_ISA_A, mcfisa_a|mcfhwdiv}, |
9a2e615a | 7760 | {EF_M68K_CF_ISA_A_PLUS, mcfisa_a|mcfisa_aa|mcfhwdiv|mcfusp}, |
c694fd50 KH |
7761 | {EF_M68K_CF_ISA_B_NOUSP,mcfisa_a|mcfisa_b|mcfhwdiv}, |
7762 | {EF_M68K_CF_ISA_B, mcfisa_a|mcfisa_b|mcfhwdiv|mcfusp}, | |
9a2e615a | 7763 | {EF_M68K_CF_ISA_C, mcfisa_a|mcfisa_c|mcfhwdiv|mcfusp}, |
8d100c32 | 7764 | {EF_M68K_CF_ISA_C_NODIV,mcfisa_a|mcfisa_c|mcfusp}, |
0b2e31dc NS |
7765 | {0,0}, |
7766 | }; | |
7767 | static const unsigned mac_features[][2] = | |
7768 | { | |
c694fd50 KH |
7769 | {EF_M68K_CF_MAC, mcfmac}, |
7770 | {EF_M68K_CF_EMAC, mcfemac}, | |
0b2e31dc NS |
7771 | {0,0}, |
7772 | }; | |
7773 | unsigned ix; | |
7774 | unsigned pattern; | |
3739860c | 7775 | |
0b2e31dc | 7776 | pattern = (current_architecture |
9a2e615a | 7777 | & (mcfisa_a|mcfisa_aa|mcfisa_b|mcfisa_c|mcfhwdiv|mcfusp)); |
0b2e31dc NS |
7778 | for (ix = 0; isa_features[ix][1]; ix++) |
7779 | { | |
7780 | if (pattern == isa_features[ix][1]) | |
7781 | { | |
7782 | flags |= isa_features[ix][0]; | |
7783 | break; | |
7784 | } | |
7785 | } | |
7786 | if (!isa_features[ix][1]) | |
7787 | { | |
7788 | cf_bad: | |
7789 | as_warn (_("Not a defined coldfire architecture")); | |
7790 | } | |
7791 | else | |
7792 | { | |
7793 | if (current_architecture & cfloat) | |
c694fd50 | 7794 | flags |= EF_M68K_CF_FLOAT | EF_M68K_CFV4E; |
266abb8f | 7795 | |
0b2e31dc NS |
7796 | pattern = current_architecture & (mcfmac|mcfemac); |
7797 | if (pattern) | |
7798 | { | |
7799 | for (ix = 0; mac_features[ix][1]; ix++) | |
7800 | { | |
7801 | if (pattern == mac_features[ix][1]) | |
7802 | { | |
7803 | flags |= mac_features[ix][0]; | |
7804 | break; | |
7805 | } | |
7806 | } | |
7807 | if (!mac_features[ix][1]) | |
7808 | goto cf_bad; | |
7809 | } | |
7810 | } | |
266abb8f NS |
7811 | } |
7812 | elf_elfheader (stdoutput)->e_flags |= flags; | |
0d96863f | 7813 | } |
cf869cce NC |
7814 | |
7815 | /* Parse @TLSLDO and return the desired relocation. */ | |
7816 | static bfd_reloc_code_real_type | |
7817 | m68k_elf_suffix (char **str_p, expressionS *exp_p) | |
7818 | { | |
7819 | char ident[20]; | |
7820 | char *str = *str_p; | |
7821 | char *str2; | |
7822 | int ch; | |
7823 | int len; | |
7824 | ||
7825 | if (*str++ != '@') | |
7826 | return BFD_RELOC_UNUSED; | |
7827 | ||
7828 | for (ch = *str, str2 = ident; | |
7829 | (str2 < ident + sizeof (ident) - 1 | |
7830 | && (ISALNUM (ch) || ch == '@')); | |
7831 | ch = *++str) | |
7832 | { | |
7833 | *str2++ = ch; | |
7834 | } | |
7835 | ||
7836 | *str2 = '\0'; | |
7837 | len = str2 - ident; | |
7838 | ||
d34049e8 | 7839 | if (startswith (ident, "TLSLDO") |
cf869cce NC |
7840 | && len == 6) |
7841 | { | |
7842 | /* Now check for identifier@suffix+constant. */ | |
7843 | if (*str == '-' || *str == '+') | |
7844 | { | |
7845 | char *orig_line = input_line_pointer; | |
7846 | expressionS new_exp; | |
7847 | ||
7848 | input_line_pointer = str; | |
7849 | expression (&new_exp); | |
7850 | if (new_exp.X_op == O_constant) | |
7851 | { | |
7852 | exp_p->X_add_number += new_exp.X_add_number; | |
7853 | str = input_line_pointer; | |
7854 | } | |
7855 | ||
7856 | if (&input_line_pointer != str_p) | |
7857 | input_line_pointer = orig_line; | |
7858 | } | |
7859 | *str_p = str; | |
7860 | ||
7861 | return BFD_RELOC_68K_TLS_LDO32; | |
7862 | } | |
7863 | ||
7864 | return BFD_RELOC_UNUSED; | |
7865 | } | |
7866 | ||
7867 | /* Handles .long <tls_symbol>+0x8000 debug info. | |
7868 | Clobbers input_line_pointer, checks end-of-line. | |
7869 | Adapted from tc-ppc.c:ppc_elf_cons. */ | |
7870 | static void | |
7871 | m68k_elf_cons (int nbytes /* 4=.long */) | |
7872 | { | |
7873 | if (is_it_end_of_statement ()) | |
7874 | { | |
7875 | demand_empty_rest_of_line (); | |
7876 | return; | |
7877 | } | |
7878 | ||
7879 | do | |
7880 | { | |
7881 | expressionS exp; | |
7882 | bfd_reloc_code_real_type reloc; | |
7883 | ||
7884 | expression (&exp); | |
7885 | if (exp.X_op == O_symbol | |
7886 | && *input_line_pointer == '@' | |
7887 | && (reloc = m68k_elf_suffix (&input_line_pointer, | |
7888 | &exp)) != BFD_RELOC_UNUSED) | |
7889 | { | |
7890 | reloc_howto_type *reloc_howto; | |
7891 | int size; | |
7892 | ||
7893 | reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc); | |
7894 | size = bfd_get_reloc_size (reloc_howto); | |
7895 | ||
7896 | if (size > nbytes) | |
7897 | { | |
992a06ee AM |
7898 | as_bad (ngettext ("%s relocations do not fit in %u byte", |
7899 | "%s relocations do not fit in %u bytes", | |
7900 | nbytes), | |
cf869cce NC |
7901 | reloc_howto->name, nbytes); |
7902 | } | |
7903 | else | |
7904 | { | |
7905 | char *p; | |
7906 | int offset; | |
7907 | ||
7908 | p = frag_more (nbytes); | |
7909 | offset = 0; | |
7910 | if (target_big_endian) | |
7911 | offset = nbytes - size; | |
7912 | fix_new_exp (frag_now, p - frag_now->fr_literal + offset, size, | |
7913 | &exp, 0, reloc); | |
7914 | } | |
7915 | } | |
7916 | else | |
7917 | emit_expr (&exp, (unsigned int) nbytes); | |
7918 | } | |
7919 | while (*input_line_pointer++ == ','); | |
7920 | ||
7921 | /* Put terminator back into stream. */ | |
7922 | input_line_pointer--; | |
7923 | demand_empty_rest_of_line (); | |
7924 | } | |
c04898f8 | 7925 | |
85f7484a PB |
7926 | /* Parse a .gnu_attribute directive. */ |
7927 | static void | |
7928 | m68k_elf_gnu_attribute (int ignored ATTRIBUTE_UNUSED) | |
7929 | { | |
7930 | int tag = obj_elf_vendor_attribute (OBJ_ATTR_GNU); | |
7931 | ||
7932 | /* Check validity of defined m68k tags. */ | |
7933 | if (tag == Tag_GNU_M68K_ABI_FP) | |
7934 | { | |
7935 | unsigned int val; | |
7936 | ||
7937 | val = bfd_elf_get_obj_attr_int (stdoutput, OBJ_ATTR_GNU, tag); | |
7938 | ||
7939 | if (tag == Tag_GNU_M68K_ABI_FP && val > 2) | |
7940 | as_warn (_("unknown .gnu_attribute value")); | |
7941 | } | |
7942 | } | |
7943 | ||
c04898f8 | 7944 | int |
e0471c16 | 7945 | tc_m68k_regname_to_dw2regnum (const char *regname) |
c04898f8 AS |
7946 | { |
7947 | unsigned int regnum; | |
7948 | static const char *const regnames[] = | |
7949 | { | |
7950 | "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", | |
7951 | "a0", "a1", "a2", "a3", "a4", "a5", "a6", "sp", | |
7952 | "fp0", "fp1", "fp2", "fp3", "fp4", "fp5", "fp6", "fp7", | |
7953 | "pc" | |
7954 | }; | |
7955 | ||
7956 | for (regnum = 0; regnum < ARRAY_SIZE (regnames); regnum++) | |
7957 | if (strcmp (regname, regnames[regnum]) == 0) | |
7958 | return regnum; | |
7959 | ||
7960 | return -1; | |
7961 | } | |
7962 | ||
7963 | void | |
7964 | tc_m68k_frame_initial_instructions (void) | |
7965 | { | |
7966 | static int sp_regno = -1; | |
7967 | ||
7968 | if (sp_regno < 0) | |
7969 | sp_regno = tc_m68k_regname_to_dw2regnum ("sp"); | |
7970 | ||
7971 | cfi_add_CFA_def_cfa (sp_regno, -DWARF2_CIE_DATA_ALIGNMENT); | |
7972 | cfi_add_CFA_offset (DWARF2_DEFAULT_RETURN_COLUMN, DWARF2_CIE_DATA_ALIGNMENT); | |
7973 | } | |
909c7f9c NC |
7974 | |
7975 | /* Check and emit error if broken-word handling has failed to fix up a | |
7976 | case-table. This is called from write.c, after doing everything it | |
7977 | knows about how to handle broken words. */ | |
7978 | ||
7979 | void | |
7980 | tc_m68k_check_adjusted_broken_word (offsetT new_offset, struct broken_word *brokwP) | |
7981 | { | |
7982 | if (new_offset > 32767 || new_offset < -32768) | |
7983 | as_bad_where (brokwP->frag->fr_file, brokwP->frag->fr_line, | |
7984 | _("Adjusted signed .word (%#lx) overflows: `switch'-statement too large."), | |
7985 | (long) new_offset); | |
7986 | } | |
7987 |