]> git.ipfire.org Git - thirdparty/binutils-gdb.git/blame - gas/config/tc-ppc.c
projects / thirdparty / binutils-gdb.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
2002-08-21 Elena Zannoni <ezannoni@redhat.com>
[thirdparty/binutils-gdb.git] / gas / config / tc-ppc.c
CommitLineData
252b5132 1/* tc-ppc.c -- Assemble for the PowerPC or POWER (RS/6000)
23e1d84c 2 Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
2c1c4c62 3 Free Software Foundation, Inc.
252b5132
RH		 4 Written by Ian Lance Taylor, Cygnus Support.
5
6 This file is part of GAS, the GNU Assembler.
7
8 GAS is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
11 any later version.
12
13 GAS is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with GAS; see the file COPYING. If not, write to the Free
20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
81d4177b 21 02111-1307, USA. */
252b5132
RH		 22
23#include <stdio.h>
252b5132 24#include "as.h"
3882b010 25#include "safe-ctype.h"
252b5132
RH		 26#include "subsegs.h"
27
28#include "opcode/ppc.h"
29
30#ifdef OBJ_ELF
31#include "elf/ppc.h"
5d6f4f16 32#include "dwarf2dbg.h"
252b5132
RH		 33#endif
34
35#ifdef TE_PE
36#include "coff/pe.h"
37#endif
38
39/* This is the assembler for the PowerPC or POWER (RS/6000) chips. */
40
41/* Tell the main code what the endianness is. */
42extern int target_big_endian;
43
44/* Whether or not, we've set target_big_endian. */
45static int set_target_endian = 0;
46
47/* Whether to use user friendly register names. */
48#ifndef TARGET_REG_NAMES_P
49#ifdef TE_PE
50#define TARGET_REG_NAMES_P true
51#else
52#define TARGET_REG_NAMES_P false
53#endif
54#endif
55
0baf16f2
AM		 56/* Macros for calculating LO, HI, HA, HIGHER, HIGHERA, HIGHEST,
57 HIGHESTA. */
58
59/* #lo(value) denotes the least significant 16 bits of the indicated. */
60#define PPC_LO(v) ((v) & 0xffff)
61
62/* #hi(value) denotes bits 16 through 31 of the indicated value. */
63#define PPC_HI(v) (((v) >> 16) & 0xffff)
64
65/* #ha(value) denotes the high adjusted value: bits 16 through 31 of
66 the indicated value, compensating for #lo() being treated as a
67 signed number. */
15c1449b 68#define PPC_HA(v) PPC_HI ((v) + 0x8000)
0baf16f2
AM		 69
70/* #higher(value) denotes bits 32 through 47 of the indicated value. */
71#define PPC_HIGHER(v) (((v) >> 32) & 0xffff)
72
73/* #highera(value) denotes bits 32 through 47 of the indicated value,
74 compensating for #lo() being treated as a signed number. */
15c1449b 75#define PPC_HIGHERA(v) PPC_HIGHER ((v) + 0x8000)
0baf16f2
AM		 76
77/* #highest(value) denotes bits 48 through 63 of the indicated value. */
78#define PPC_HIGHEST(v) (((v) >> 48) & 0xffff)
79
80/* #highesta(value) denotes bits 48 through 63 of the indicated value,
15c1449b
AM		 81 compensating for #lo being treated as a signed number. */
82#define PPC_HIGHESTA(v) PPC_HIGHEST ((v) + 0x8000)
0baf16f2
AM		 83
84#define SEX16(val) ((((val) & 0xffff) ^ 0x8000) - 0x8000)
85
252b5132
RH		 86static boolean reg_names_p = TARGET_REG_NAMES_P;
87
88static boolean register_name PARAMS ((expressionS *));
89static void ppc_set_cpu PARAMS ((void));
90static unsigned long ppc_insert_operand
91 PARAMS ((unsigned long insn, const struct powerpc_operand *operand,
92 offsetT val, char *file, unsigned int line));
93static void ppc_macro PARAMS ((char *str, const struct powerpc_macro *macro));
94static void ppc_byte PARAMS ((int));
0baf16f2
AM		 95
96#if defined (OBJ_XCOFF) || defined (OBJ_ELF)
252b5132
RH		 97static int ppc_is_toc_sym PARAMS ((symbolS *sym));
98static void ppc_tc PARAMS ((int));
0baf16f2
AM		 99static void ppc_machine PARAMS ((int));
100#endif
252b5132
RH		 101
102#ifdef OBJ_XCOFF
103static void ppc_comm PARAMS ((int));
104static void ppc_bb PARAMS ((int));
105static void ppc_bc PARAMS ((int));
106static void ppc_bf PARAMS ((int));
107static void ppc_biei PARAMS ((int));
108static void ppc_bs PARAMS ((int));
109static void ppc_eb PARAMS ((int));
110static void ppc_ec PARAMS ((int));
111static void ppc_ef PARAMS ((int));
112static void ppc_es PARAMS ((int));
113static void ppc_csect PARAMS ((int));
114static void ppc_change_csect PARAMS ((symbolS *));
115static void ppc_function PARAMS ((int));
116static void ppc_extern PARAMS ((int));
117static void ppc_lglobl PARAMS ((int));
118static void ppc_section PARAMS ((int));
119static void ppc_named_section PARAMS ((int));
120static void ppc_stabx PARAMS ((int));
121static void ppc_rename PARAMS ((int));
122static void ppc_toc PARAMS ((int));
123static void ppc_xcoff_cons PARAMS ((int));
124static void ppc_vbyte PARAMS ((int));
125#endif
126
127#ifdef OBJ_ELF
128static bfd_reloc_code_real_type ppc_elf_suffix PARAMS ((char **, expressionS *));
129static void ppc_elf_cons PARAMS ((int));
130static void ppc_elf_rdata PARAMS ((int));
131static void ppc_elf_lcomm PARAMS ((int));
132static void ppc_elf_validate_fix PARAMS ((fixS *, segT));
6a0c61b7 133static void ppc_apuinfo_section_add PARAMS((unsigned int apu, unsigned int version));
252b5132
RH		 134#endif
135
136#ifdef TE_PE
137static void ppc_set_current_section PARAMS ((segT));
138static void ppc_previous PARAMS ((int));
139static void ppc_pdata PARAMS ((int));
140static void ppc_ydata PARAMS ((int));
141static void ppc_reldata PARAMS ((int));
142static void ppc_rdata PARAMS ((int));
143static void ppc_ualong PARAMS ((int));
144static void ppc_znop PARAMS ((int));
145static void ppc_pe_comm PARAMS ((int));
146static void ppc_pe_section PARAMS ((int));
147static void ppc_pe_function PARAMS ((int));
148static void ppc_pe_tocd PARAMS ((int));
149#endif
150\f
151/* Generic assembler global variables which must be defined by all
152 targets. */
153
154#ifdef OBJ_ELF
155/* This string holds the chars that always start a comment. If the
156 pre-processor is disabled, these aren't very useful. The macro
157 tc_comment_chars points to this. We use this, rather than the
158 usual comment_chars, so that we can switch for Solaris conventions. */
159static const char ppc_solaris_comment_chars[] = "#!";
160static const char ppc_eabi_comment_chars[] = "#";
161
162#ifdef TARGET_SOLARIS_COMMENT
163const char *ppc_comment_chars = ppc_solaris_comment_chars;
164#else
165const char *ppc_comment_chars = ppc_eabi_comment_chars;
166#endif
167#else
168const char comment_chars[] = "#";
169#endif
170
171/* Characters which start a comment at the beginning of a line. */
172const char line_comment_chars[] = "#";
173
174/* Characters which may be used to separate multiple commands on a
175 single line. */
176const char line_separator_chars[] = ";";
177
178/* Characters which are used to indicate an exponent in a floating
179 point number. */
180const char EXP_CHARS[] = "eE";
181
182/* Characters which mean that a number is a floating point constant,
183 as in 0d1.0. */
184const char FLT_CHARS[] = "dD";
185\f
186/* The target specific pseudo-ops which we support. */
187
188const pseudo_typeS md_pseudo_table[] =
189{
190 /* Pseudo-ops which must be overridden. */
191 { "byte", ppc_byte, 0 },
192
193#ifdef OBJ_XCOFF
194 /* Pseudo-ops specific to the RS/6000 XCOFF format. Some of these
195 legitimately belong in the obj-*.c file. However, XCOFF is based
196 on COFF, and is only implemented for the RS/6000. We just use
197 obj-coff.c, and add what we need here. */
198 { "comm", ppc_comm, 0 },
199 { "lcomm", ppc_comm, 1 },
200 { "bb", ppc_bb, 0 },
201 { "bc", ppc_bc, 0 },
202 { "bf", ppc_bf, 0 },
203 { "bi", ppc_biei, 0 },
204 { "bs", ppc_bs, 0 },
205 { "csect", ppc_csect, 0 },
206 { "data", ppc_section, 'd' },
207 { "eb", ppc_eb, 0 },
208 { "ec", ppc_ec, 0 },
209 { "ef", ppc_ef, 0 },
210 { "ei", ppc_biei, 1 },
211 { "es", ppc_es, 0 },
212 { "extern", ppc_extern, 0 },
213 { "function", ppc_function, 0 },
214 { "lglobl", ppc_lglobl, 0 },
215 { "rename", ppc_rename, 0 },
216 { "section", ppc_named_section, 0 },
217 { "stabx", ppc_stabx, 0 },
218 { "text", ppc_section, 't' },
219 { "toc", ppc_toc, 0 },
220 { "long", ppc_xcoff_cons, 2 },
7f6d05e8 221 { "llong", ppc_xcoff_cons, 3 },
252b5132
RH		 222 { "word", ppc_xcoff_cons, 1 },
223 { "short", ppc_xcoff_cons, 1 },
224 { "vbyte", ppc_vbyte, 0 },
225#endif
226
227#ifdef OBJ_ELF
0baf16f2
AM		 228 { "llong", ppc_elf_cons, 8 },
229 { "quad", ppc_elf_cons, 8 },
252b5132
RH		 230 { "long", ppc_elf_cons, 4 },
231 { "word", ppc_elf_cons, 2 },
232 { "short", ppc_elf_cons, 2 },
233 { "rdata", ppc_elf_rdata, 0 },
234 { "rodata", ppc_elf_rdata, 0 },
235 { "lcomm", ppc_elf_lcomm, 0 },
2b3c4602 236 { "file", (void (*) PARAMS ((int))) dwarf2_directive_file, 0 },
5d6f4f16 237 { "loc", dwarf2_directive_loc, 0 },
252b5132
RH		 238#endif
239
240#ifdef TE_PE
99a814a1 241 /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */
252b5132
RH		 242 { "previous", ppc_previous, 0 },
243 { "pdata", ppc_pdata, 0 },
244 { "ydata", ppc_ydata, 0 },
245 { "reldata", ppc_reldata, 0 },
246 { "rdata", ppc_rdata, 0 },
247 { "ualong", ppc_ualong, 0 },
248 { "znop", ppc_znop, 0 },
249 { "comm", ppc_pe_comm, 0 },
250 { "lcomm", ppc_pe_comm, 1 },
251 { "section", ppc_pe_section, 0 },
252 { "function", ppc_pe_function,0 },
253 { "tocd", ppc_pe_tocd, 0 },
254#endif
255
0baf16f2 256#if defined (OBJ_XCOFF) || defined (OBJ_ELF)
252b5132 257 { "tc", ppc_tc, 0 },
0baf16f2
AM		 258 { "machine", ppc_machine, 0 },
259#endif
252b5132
RH		 260
261 { NULL, NULL, 0 }
262};
263
264\f
99a814a1
AM		 265/* Predefined register names if -mregnames (or default for Windows NT).
266 In general, there are lots of them, in an attempt to be compatible
267 with a number of other Windows NT assemblers. */
252b5132
RH		 268
269/* Structure to hold information about predefined registers. */
270struct pd_reg
271 {
272 char *name;
273 int value;
274 };
275
276/* List of registers that are pre-defined:
277
278 Each general register has predefined names of the form:
279 1. r<reg_num> which has the value <reg_num>.
280 2. r.<reg_num> which has the value <reg_num>.
281
252b5132
RH		 282 Each floating point register has predefined names of the form:
283 1. f<reg_num> which has the value <reg_num>.
284 2. f.<reg_num> which has the value <reg_num>.
285
7a899fff
C		 286 Each vector unit register has predefined names of the form:
287 1. v<reg_num> which has the value <reg_num>.
288 2. v.<reg_num> which has the value <reg_num>.
289
252b5132
RH		 290 Each condition register has predefined names of the form:
291 1. cr<reg_num> which has the value <reg_num>.
292 2. cr.<reg_num> which has the value <reg_num>.
293
294 There are individual registers as well:
295 sp or r.sp has the value 1
296 rtoc or r.toc has the value 2
297 fpscr has the value 0
298 xer has the value 1
299 lr has the value 8
300 ctr has the value 9
301 pmr has the value 0
302 dar has the value 19
303 dsisr has the value 18
304 dec has the value 22
305 sdr1 has the value 25
306 srr0 has the value 26
307 srr1 has the value 27
308
81d4177b 309 The table is sorted. Suitable for searching by a binary search. */
252b5132
RH		 310
311static const struct pd_reg pre_defined_registers[] =
312{
313 { "cr.0", 0 }, /* Condition Registers */
314 { "cr.1", 1 },
315 { "cr.2", 2 },
316 { "cr.3", 3 },
317 { "cr.4", 4 },
318 { "cr.5", 5 },
319 { "cr.6", 6 },
320 { "cr.7", 7 },
321
322 { "cr0", 0 },
323 { "cr1", 1 },
324 { "cr2", 2 },
325 { "cr3", 3 },
326 { "cr4", 4 },
327 { "cr5", 5 },
328 { "cr6", 6 },
329 { "cr7", 7 },
330
331 { "ctr", 9 },
332
333 { "dar", 19 }, /* Data Access Register */
334 { "dec", 22 }, /* Decrementer */
335 { "dsisr", 18 }, /* Data Storage Interrupt Status Register */
336
337 { "f.0", 0 }, /* Floating point registers */
81d4177b
KH		 338 { "f.1", 1 },
339 { "f.10", 10 },
340 { "f.11", 11 },
341 { "f.12", 12 },
342 { "f.13", 13 },
343 { "f.14", 14 },
344 { "f.15", 15 },
345 { "f.16", 16 },
346 { "f.17", 17 },
347 { "f.18", 18 },
348 { "f.19", 19 },
349 { "f.2", 2 },
350 { "f.20", 20 },
351 { "f.21", 21 },
352 { "f.22", 22 },
353 { "f.23", 23 },
354 { "f.24", 24 },
355 { "f.25", 25 },
356 { "f.26", 26 },
357 { "f.27", 27 },
358 { "f.28", 28 },
359 { "f.29", 29 },
360 { "f.3", 3 },
252b5132
RH		 361 { "f.30", 30 },
362 { "f.31", 31 },
81d4177b
KH		 363 { "f.4", 4 },
364 { "f.5", 5 },
365 { "f.6", 6 },
366 { "f.7", 7 },
367 { "f.8", 8 },
368 { "f.9", 9 },
369
370 { "f0", 0 },
371 { "f1", 1 },
372 { "f10", 10 },
373 { "f11", 11 },
374 { "f12", 12 },
375 { "f13", 13 },
376 { "f14", 14 },
377 { "f15", 15 },
378 { "f16", 16 },
379 { "f17", 17 },
380 { "f18", 18 },
381 { "f19", 19 },
382 { "f2", 2 },
383 { "f20", 20 },
384 { "f21", 21 },
385 { "f22", 22 },
386 { "f23", 23 },
387 { "f24", 24 },
388 { "f25", 25 },
389 { "f26", 26 },
390 { "f27", 27 },
391 { "f28", 28 },
392 { "f29", 29 },
393 { "f3", 3 },
252b5132
RH		 394 { "f30", 30 },
395 { "f31", 31 },
81d4177b
KH		 396 { "f4", 4 },
397 { "f5", 5 },
398 { "f6", 6 },
399 { "f7", 7 },
400 { "f8", 8 },
401 { "f9", 9 },
252b5132
RH		 402
403 { "fpscr", 0 },
404
405 { "lr", 8 }, /* Link Register */
406
407 { "pmr", 0 },
408
409 { "r.0", 0 }, /* General Purpose Registers */
410 { "r.1", 1 },
411 { "r.10", 10 },
412 { "r.11", 11 },
413 { "r.12", 12 },
414 { "r.13", 13 },
415 { "r.14", 14 },
416 { "r.15", 15 },
417 { "r.16", 16 },
418 { "r.17", 17 },
419 { "r.18", 18 },
420 { "r.19", 19 },
421 { "r.2", 2 },
422 { "r.20", 20 },
423 { "r.21", 21 },
424 { "r.22", 22 },
425 { "r.23", 23 },
426 { "r.24", 24 },
427 { "r.25", 25 },
428 { "r.26", 26 },
429 { "r.27", 27 },
430 { "r.28", 28 },
431 { "r.29", 29 },
432 { "r.3", 3 },
433 { "r.30", 30 },
434 { "r.31", 31 },
435 { "r.4", 4 },
436 { "r.5", 5 },
437 { "r.6", 6 },
438 { "r.7", 7 },
439 { "r.8", 8 },
440 { "r.9", 9 },
441
442 { "r.sp", 1 }, /* Stack Pointer */
443
444 { "r.toc", 2 }, /* Pointer to the table of contents */
445
446 { "r0", 0 }, /* More general purpose registers */
447 { "r1", 1 },
448 { "r10", 10 },
449 { "r11", 11 },
450 { "r12", 12 },
451 { "r13", 13 },
452 { "r14", 14 },
453 { "r15", 15 },
454 { "r16", 16 },
455 { "r17", 17 },
456 { "r18", 18 },
457 { "r19", 19 },
458 { "r2", 2 },
459 { "r20", 20 },
460 { "r21", 21 },
461 { "r22", 22 },
462 { "r23", 23 },
463 { "r24", 24 },
464 { "r25", 25 },
465 { "r26", 26 },
466 { "r27", 27 },
467 { "r28", 28 },
468 { "r29", 29 },
469 { "r3", 3 },
470 { "r30", 30 },
471 { "r31", 31 },
472 { "r4", 4 },
473 { "r5", 5 },
474 { "r6", 6 },
475 { "r7", 7 },
476 { "r8", 8 },
477 { "r9", 9 },
478
479 { "rtoc", 2 }, /* Table of contents */
480
481 { "sdr1", 25 }, /* Storage Description Register 1 */
482
483 { "sp", 1 },
484
485 { "srr0", 26 }, /* Machine Status Save/Restore Register 0 */
486 { "srr1", 27 }, /* Machine Status Save/Restore Register 1 */
81d4177b 487
7a899fff 488 { "v.0", 0 }, /* Vector registers */
81d4177b
KH		 489 { "v.1", 1 },
490 { "v.10", 10 },
491 { "v.11", 11 },
492 { "v.12", 12 },
493 { "v.13", 13 },
494 { "v.14", 14 },
495 { "v.15", 15 },
496 { "v.16", 16 },
497 { "v.17", 17 },
498 { "v.18", 18 },
499 { "v.19", 19 },
500 { "v.2", 2 },
501 { "v.20", 20 },
502 { "v.21", 21 },
503 { "v.22", 22 },
504 { "v.23", 23 },
505 { "v.24", 24 },
506 { "v.25", 25 },
507 { "v.26", 26 },
508 { "v.27", 27 },
509 { "v.28", 28 },
510 { "v.29", 29 },
511 { "v.3", 3 },
7a899fff
C		 512 { "v.30", 30 },
513 { "v.31", 31 },
81d4177b
KH		 514 { "v.4", 4 },
515 { "v.5", 5 },
516 { "v.6", 6 },
517 { "v.7", 7 },
518 { "v.8", 8 },
519 { "v.9", 9 },
7a899fff
C		 520
521 { "v0", 0 },
81d4177b
KH		 522 { "v1", 1 },
523 { "v10", 10 },
524 { "v11", 11 },
525 { "v12", 12 },
526 { "v13", 13 },
527 { "v14", 14 },
528 { "v15", 15 },
529 { "v16", 16 },
530 { "v17", 17 },
531 { "v18", 18 },
532 { "v19", 19 },
533 { "v2", 2 },
534 { "v20", 20 },
535 { "v21", 21 },
536 { "v22", 22 },
537 { "v23", 23 },
538 { "v24", 24 },
539 { "v25", 25 },
540 { "v26", 26 },
541 { "v27", 27 },
542 { "v28", 28 },
543 { "v29", 29 },
544 { "v3", 3 },
7a899fff
C		 545 { "v30", 30 },
546 { "v31", 31 },
81d4177b
KH		 547 { "v4", 4 },
548 { "v5", 5 },
549 { "v6", 6 },
550 { "v7", 7 },
551 { "v8", 8 },
7a899fff 552 { "v9", 9 },
252b5132
RH		 553
554 { "xer", 1 },
555
556};
557
bc805888 558#define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
252b5132
RH		 559
560/* Given NAME, find the register number associated with that name, return
561 the integer value associated with the given name or -1 on failure. */
562
563static int reg_name_search
564 PARAMS ((const struct pd_reg *, int, const char * name));
565
566static int
567reg_name_search (regs, regcount, name)
568 const struct pd_reg *regs;
569 int regcount;
570 const char *name;
571{
572 int middle, low, high;
573 int cmp;
574
575 low = 0;
576 high = regcount - 1;
577
578 do
579 {
580 middle = (low + high) / 2;
581 cmp = strcasecmp (name, regs[middle].name);
582 if (cmp < 0)
583 high = middle - 1;
584 else if (cmp > 0)
585 low = middle + 1;
586 else
587 return regs[middle].value;
588 }
589 while (low <= high);
590
591 return -1;
592}
593
594/*
99a814a1 595 * Summary of register_name.
252b5132
RH		 596 *
597 * in: Input_line_pointer points to 1st char of operand.
598 *
599 * out: A expressionS.
600 * The operand may have been a register: in this case, X_op == O_register,
601 * X_add_number is set to the register number, and truth is returned.
602 * Input_line_pointer->(next non-blank) char after operand, or is in its
603 * original state.
604 */
605
606static boolean
607register_name (expressionP)
608 expressionS *expressionP;
609{
610 int reg_number;
611 char *name;
612 char *start;
613 char c;
614
99a814a1 615 /* Find the spelling of the operand. */
252b5132 616 start = name = input_line_pointer;
3882b010 617 if (name[0] == '%' && ISALPHA (name[1]))
252b5132
RH		 618 name = ++input_line_pointer;
619
3882b010 620 else if (!reg_names_p || !ISALPHA (name[0]))
252b5132
RH		 621 return false;
622
623 c = get_symbol_end ();
624 reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name);
625
468cced8
AM		 626 /* Put back the delimiting char. */
627 *input_line_pointer = c;
628
99a814a1 629 /* Look to see if it's in the register table. */
81d4177b 630 if (reg_number >= 0)
252b5132
RH		 631 {
632 expressionP->X_op = O_register;
633 expressionP->X_add_number = reg_number;
81d4177b 634
99a814a1 635 /* Make the rest nice. */
252b5132
RH		 636 expressionP->X_add_symbol = NULL;
637 expressionP->X_op_symbol = NULL;
252b5132
RH		 638 return true;
639 }
468cced8
AM		 640
641 /* Reset the line as if we had not done anything. */
642 input_line_pointer = start;
643 return false;
252b5132
RH		 644}
645\f
646/* This function is called for each symbol seen in an expression. It
647 handles the special parsing which PowerPC assemblers are supposed
648 to use for condition codes. */
649
650/* Whether to do the special parsing. */
651static boolean cr_operand;
652
653/* Names to recognize in a condition code. This table is sorted. */
654static const struct pd_reg cr_names[] =
655{
656 { "cr0", 0 },
657 { "cr1", 1 },
658 { "cr2", 2 },
659 { "cr3", 3 },
660 { "cr4", 4 },
661 { "cr5", 5 },
662 { "cr6", 6 },
663 { "cr7", 7 },
664 { "eq", 2 },
665 { "gt", 1 },
666 { "lt", 0 },
667 { "so", 3 },
668 { "un", 3 }
669};
670
671/* Parsing function. This returns non-zero if it recognized an
672 expression. */
673
674int
675ppc_parse_name (name, expr)
676 const char *name;
677 expressionS *expr;
678{
679 int val;
680
681 if (! cr_operand)
682 return 0;
683
684 val = reg_name_search (cr_names, sizeof cr_names / sizeof cr_names[0],
685 name);
686 if (val < 0)
687 return 0;
688
689 expr->X_op = O_constant;
690 expr->X_add_number = val;
691
692 return 1;
693}
694\f
695/* Local variables. */
696
697/* The type of processor we are assembling for. This is one or more
698 of the PPC_OPCODE flags defined in opcode/ppc.h. */
2b3c4602 699static unsigned long ppc_cpu = 0;
252b5132 700
2b3c4602
AM		 701/* Whether to target xcoff64/elf64. */
702static unsigned int ppc_obj64 = BFD_DEFAULT_TARGET_SIZE == 64;
7f6d05e8 703
252b5132
RH		 704/* Opcode hash table. */
705static struct hash_control *ppc_hash;
706
707/* Macro hash table. */
708static struct hash_control *ppc_macro_hash;
709
710#ifdef OBJ_ELF
99a814a1 711/* What type of shared library support to use. */
5d6f4f16 712static enum { SHLIB_NONE, SHLIB_PIC, SHLIB_MRELOCATABLE } shlib = SHLIB_NONE;
252b5132 713
99a814a1 714/* Flags to set in the elf header. */
252b5132
RH		 715static flagword ppc_flags = 0;
716
717/* Whether this is Solaris or not. */
718#ifdef TARGET_SOLARIS_COMMENT
719#define SOLARIS_P true
720#else
721#define SOLARIS_P false
722#endif
723
724static boolean msolaris = SOLARIS_P;
725#endif
726
727#ifdef OBJ_XCOFF
728
729/* The RS/6000 assembler uses the .csect pseudo-op to generate code
730 using a bunch of different sections. These assembler sections,
731 however, are all encompassed within the .text or .data sections of
732 the final output file. We handle this by using different
733 subsegments within these main segments. */
734
735/* Next subsegment to allocate within the .text segment. */
736static subsegT ppc_text_subsegment = 2;
737
738/* Linked list of csects in the text section. */
739static symbolS *ppc_text_csects;
740
741/* Next subsegment to allocate within the .data segment. */
742static subsegT ppc_data_subsegment = 2;
743
744/* Linked list of csects in the data section. */
745static symbolS *ppc_data_csects;
746
747/* The current csect. */
748static symbolS *ppc_current_csect;
749
750/* The RS/6000 assembler uses a TOC which holds addresses of functions
751 and variables. Symbols are put in the TOC with the .tc pseudo-op.
752 A special relocation is used when accessing TOC entries. We handle
753 the TOC as a subsegment within the .data segment. We set it up if
754 we see a .toc pseudo-op, and save the csect symbol here. */
755static symbolS *ppc_toc_csect;
756
757/* The first frag in the TOC subsegment. */
758static fragS *ppc_toc_frag;
759
760/* The first frag in the first subsegment after the TOC in the .data
761 segment. NULL if there are no subsegments after the TOC. */
762static fragS *ppc_after_toc_frag;
763
764/* The current static block. */
765static symbolS *ppc_current_block;
766
767/* The COFF debugging section; set by md_begin. This is not the
768 .debug section, but is instead the secret BFD section which will
769 cause BFD to set the section number of a symbol to N_DEBUG. */
770static asection *ppc_coff_debug_section;
771
772#endif /* OBJ_XCOFF */
773
774#ifdef TE_PE
775
776/* Various sections that we need for PE coff support. */
777static segT ydata_section;
778static segT pdata_section;
779static segT reldata_section;
780static segT rdata_section;
781static segT tocdata_section;
782
81d4177b 783/* The current section and the previous section. See ppc_previous. */
252b5132
RH		 784static segT ppc_previous_section;
785static segT ppc_current_section;
786
787#endif /* TE_PE */
788
789#ifdef OBJ_ELF
790symbolS *GOT_symbol; /* Pre-defined "_GLOBAL_OFFSET_TABLE" */
6a0c61b7
EZ		 791#define PPC_APUINFO_ISEL 0x40
792#define PPC_APUINFO_PMR 0x41
793#define PPC_APUINFO_RFMCI 0x42
794#define PPC_APUINFO_CACHELCK 0x43
795#define PPC_APUINFO_SPE 0x100
796#define PPC_APUINFO_EFS 0x101
797#define PPC_APUINFO_BRLOCK 0x102
798
799/*
800 * We keep a list of APUinfo
801 */
802unsigned long *ppc_apuinfo_list;
803unsigned int ppc_apuinfo_num;
804unsigned int ppc_apuinfo_num_alloc;
252b5132
RH		 805#endif /* OBJ_ELF */
806\f
807#ifdef OBJ_ELF
15c1449b 808const char *const md_shortopts = "b:l:usm:K:VQ:";
252b5132 809#else
15c1449b 810const char *const md_shortopts = "um:";
252b5132 811#endif
15c1449b 812const struct option md_longopts[] = {
252b5132
RH		 813 {NULL, no_argument, NULL, 0}
814};
15c1449b 815const size_t md_longopts_size = sizeof (md_longopts);
252b5132
RH		 816
817int
818md_parse_option (c, arg)
819 int c;
820 char *arg;
821{
822 switch (c)
823 {
824 case 'u':
825 /* -u means that any undefined symbols should be treated as
826 external, which is the default for gas anyhow. */
827 break;
828
829#ifdef OBJ_ELF
830 case 'l':
831 /* Solaris as takes -le (presumably for little endian). For completeness
99a814a1 832 sake, recognize -be also. */
252b5132
RH		 833 if (strcmp (arg, "e") == 0)
834 {
835 target_big_endian = 0;
836 set_target_endian = 1;
837 }
838 else
839 return 0;
840
841 break;
842
843 case 'b':
844 if (strcmp (arg, "e") == 0)
845 {
846 target_big_endian = 1;
847 set_target_endian = 1;
848 }
849 else
850 return 0;
851
852 break;
853
854 case 'K':
99a814a1 855 /* Recognize -K PIC. */
252b5132
RH		 856 if (strcmp (arg, "PIC") == 0 || strcmp (arg, "pic") == 0)
857 {
858 shlib = SHLIB_PIC;
859 ppc_flags |= EF_PPC_RELOCATABLE_LIB;
860 }
861 else
862 return 0;
863
864 break;
865#endif
866
7f6d05e8
CP		 867 /* a64 and a32 determine whether to use XCOFF64 or XCOFF32. */
868 case 'a':
869 if (strcmp (arg, "64") == 0)
2b3c4602 870 ppc_obj64 = 1;
7f6d05e8 871 else if (strcmp (arg, "32") == 0)
2b3c4602 872 ppc_obj64 = 0;
7f6d05e8
CP		 873 else
874 return 0;
875 break;
81d4177b 876
252b5132
RH		 877 case 'm':
878 /* -mpwrx and -mpwr2 mean to assemble for the IBM POWER/2
99a814a1 879 (RIOS2). */
252b5132 880 if (strcmp (arg, "pwrx") == 0 || strcmp (arg, "pwr2") == 0)
2b3c4602 881 ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_POWER2 | PPC_OPCODE_32;
252b5132
RH		 882 /* -mpwr means to assemble for the IBM POWER (RIOS1). */
883 else if (strcmp (arg, "pwr") == 0)
2b3c4602 884 ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_32;
23e1d84c 885 /* -m601 means to assemble for the PowerPC 601, which includes
99a814a1 886 instructions that are holdovers from the Power. */
252b5132 887 else if (strcmp (arg, "601") == 0)
6a0c61b7
EZ		 888 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
889 | PPC_OPCODE_601 | PPC_OPCODE_32;
252b5132 890 /* -mppc, -mppc32, -m603, and -m604 mean to assemble for the
23e1d84c 891 PowerPC 603/604. */
252b5132
RH		 892 else if (strcmp (arg, "ppc") == 0
893 || strcmp (arg, "ppc32") == 0
252b5132
RH		 894 || strcmp (arg, "603") == 0
895 || strcmp (arg, "604") == 0)
6a0c61b7 896 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32;
23e1d84c 897 /* -m403 and -m405 mean to assemble for the PowerPC 403/405. */
418c1742
MG		 898 else if (strcmp (arg, "403") == 0
899 || strcmp (arg, "405") == 0)
6a0c61b7
EZ		 900 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
901 | PPC_OPCODE_403 | PPC_OPCODE_32;
418c1742
MG		 902 else if (strcmp (arg, "7400") == 0
903 || strcmp (arg, "7410") == 0
904 || strcmp (arg, "7450") == 0
905 || strcmp (arg, "7455") == 0)
6a0c61b7
EZ		 906 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
907 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_32;
418c1742 908 else if (strcmp (arg, "altivec") == 0)
8a588659
MG		 909 {
910 if (ppc_cpu == 0)
6a0c61b7 911 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC;
8a588659
MG		 912 else
913 ppc_cpu |= PPC_OPCODE_ALTIVEC;
914 }
6a0c61b7
EZ		 915 else if (strcmp (arg, "e500") == 0 || strcmp (arg, "e500x2") == 0)
916 {
917 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE
918 | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK
919 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI;
920 }
921 else if (strcmp (arg, "spe") == 0)
922 {
923 if (ppc_cpu == 0)
924 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_SPE | PPC_OPCODE_EFS;
925 else
926 ppc_cpu |= PPC_OPCODE_SPE;
927 }
252b5132 928 /* -mppc64 and -m620 mean to assemble for the 64-bit PowerPC
99a814a1 929 620. */
252b5132
RH		 930 else if (strcmp (arg, "ppc64") == 0 || strcmp (arg, "620") == 0)
931 {
6a0c61b7 932 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64;
252b5132 933 }
d0e9a01c
RH		 934 else if (strcmp (arg, "ppc64bridge") == 0)
935 {
6a0c61b7
EZ		 936 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
937 | PPC_OPCODE_64_BRIDGE | PPC_OPCODE_64;
418c1742
MG		 938 }
939 /* -mbooke/-mbooke32 mean enable 32-bit BookE support. */
940 else if (strcmp (arg, "booke") == 0 || strcmp (arg, "booke32") == 0)
6a0c61b7
EZ		 941 {
942 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32;
943 }
418c1742
MG		 944 /* -mbooke64 means enable 64-bit BookE support. */
945 else if (strcmp (arg, "booke64") == 0)
946 {
5d6255fe 947 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_BOOKE |
418c1742 948 PPC_OPCODE_BOOKE64 | PPC_OPCODE_64;
d0e9a01c 949 }
23e1d84c
AM		 950 else if (strcmp (arg, "power4") == 0)
951 {
6a0c61b7
EZ		 952 ppc_cpu = PPC_OPCODE_PPC| PPC_OPCODE_CLASSIC
953 | PPC_OPCODE_64 | PPC_OPCODE_POWER4;
23e1d84c 954 }
252b5132
RH		 955 /* -mcom means assemble for the common intersection between Power
956 and PowerPC. At present, we just allow the union, rather
957 than the intersection. */
958 else if (strcmp (arg, "com") == 0)
2b3c4602 959 ppc_cpu = PPC_OPCODE_COMMON | PPC_OPCODE_32;
252b5132
RH		 960 /* -many means to assemble for any architecture (PWR/PWRX/PPC). */
961 else if (strcmp (arg, "any") == 0)
2b3c4602 962 ppc_cpu = PPC_OPCODE_ANY | PPC_OPCODE_32;
252b5132
RH		 963
964 else if (strcmp (arg, "regnames") == 0)
965 reg_names_p = true;
966
967 else if (strcmp (arg, "no-regnames") == 0)
968 reg_names_p = false;
969
970#ifdef OBJ_ELF
99a814a1
AM		 971 /* -mrelocatable/-mrelocatable-lib -- warn about initializations
972 that require relocation. */
252b5132
RH		 973 else if (strcmp (arg, "relocatable") == 0)
974 {
5d6f4f16 975 shlib = SHLIB_MRELOCATABLE;
252b5132
RH		 976 ppc_flags |= EF_PPC_RELOCATABLE;
977 }
978
979 else if (strcmp (arg, "relocatable-lib") == 0)
980 {
5d6f4f16 981 shlib = SHLIB_MRELOCATABLE;
252b5132
RH		 982 ppc_flags |= EF_PPC_RELOCATABLE_LIB;
983 }
984
99a814a1 985 /* -memb, set embedded bit. */
252b5132
RH		 986 else if (strcmp (arg, "emb") == 0)
987 ppc_flags |= EF_PPC_EMB;
988
99a814a1
AM		 989 /* -mlittle/-mbig set the endianess. */
990 else if (strcmp (arg, "little") == 0
991 || strcmp (arg, "little-endian") == 0)
252b5132
RH		 992 {
993 target_big_endian = 0;
994 set_target_endian = 1;
995 }
996
997 else if (strcmp (arg, "big") == 0 || strcmp (arg, "big-endian") == 0)
998 {
999 target_big_endian = 1;
1000 set_target_endian = 1;
1001 }
1002
1003 else if (strcmp (arg, "solaris") == 0)
1004 {
1005 msolaris = true;
1006 ppc_comment_chars = ppc_solaris_comment_chars;
1007 }
1008
1009 else if (strcmp (arg, "no-solaris") == 0)
1010 {
1011 msolaris = false;
1012 ppc_comment_chars = ppc_eabi_comment_chars;
1013 }
1014#endif
1015 else
1016 {
1017 as_bad (_("invalid switch -m%s"), arg);
1018 return 0;
1019 }
1020 break;
1021
1022#ifdef OBJ_ELF
1023 /* -V: SVR4 argument to print version ID. */
1024 case 'V':
1025 print_version_id ();
1026 break;
1027
1028 /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section
1029 should be emitted or not. FIXME: Not implemented. */
1030 case 'Q':
1031 break;
1032
1033 /* Solaris takes -s to specify that .stabs go in a .stabs section,
1034 rather than .stabs.excl, which is ignored by the linker.
1035 FIXME: Not implemented. */
1036 case 's':
1037 if (arg)
1038 return 0;
1039
1040 break;
1041#endif
1042
1043 default:
1044 return 0;
1045 }
1046
1047 return 1;
1048}
1049
1050void
1051md_show_usage (stream)
1052 FILE *stream;
1053{
bc805888 1054 fprintf (stream, _("\
252b5132
RH		 1055PowerPC options:\n\
1056-u ignored\n\
23e1d84c
AM		 1057-mpwrx, -mpwr2 generate code for POWER/2 (RIOS2)\n\
1058-mpwr generate code for POWER (RIOS1)\n\
1059-m601 generate code for PowerPC 601\n\
418c1742 1060-mppc, -mppc32, -m603, -m604\n\
23e1d84c
AM		 1061 generate code for PowerPC 603/604\n\
1062-m403, -m405 generate code for PowerPC 403/405\n\
f5c120c5 1063-m7400, -m7410, -m7450, -m7455\n\
23e1d84c
AM		 1064 generate code For PowerPC 7400/7410/7450/7455\n\
1065-mppc64, -m620 generate code for PowerPC 620/625/630\n\
d0e9a01c 1066-mppc64bridge generate code for PowerPC 64, including bridge insns\n\
a09cf9bd
MG		 1067-mbooke64 generate code for 64-bit PowerPC BookE\n\
1068-mbooke, mbooke32 generate code for 32-bit PowerPC BookE\n\
23e1d84c 1069-mpower4 generate code for Power4 architecture\n\
f5c120c5 1070-maltivec generate code for AltiVec\n\
252b5132
RH		 1071-mcom generate code Power/PowerPC common instructions\n\
1072-many generate code for any architecture (PWR/PWRX/PPC)\n\
1073-mregnames Allow symbolic names for registers\n\
1074-mno-regnames Do not allow symbolic names for registers\n"));
6a0c61b7
EZ		 1075 fprintf (stream, _("\
1076-me500, -me500x2 generate code for Motorola e500 core complex\n\
1077-mspe generate code for Motorola SPE instructions\n"));
252b5132 1078#ifdef OBJ_ELF
bc805888 1079 fprintf (stream, _("\
252b5132
RH		 1080-mrelocatable support for GCC's -mrelocatble option\n\
1081-mrelocatable-lib support for GCC's -mrelocatble-lib option\n\
1082-memb set PPC_EMB bit in ELF flags\n\
1083-mlittle, -mlittle-endian\n\
1084 generate code for a little endian machine\n\
1085-mbig, -mbig-endian generate code for a big endian machine\n\
1086-msolaris generate code for Solaris\n\
1087-mno-solaris do not generate code for Solaris\n\
1088-V print assembler version number\n\
1089-Qy, -Qn ignored\n"));
1090#endif
1091}
1092\f
1093/* Set ppc_cpu if it is not already set. */
1094
1095static void
1096ppc_set_cpu ()
1097{
1098 const char *default_os = TARGET_OS;
1099 const char *default_cpu = TARGET_CPU;
1100
1101 if (ppc_cpu == 0)
1102 {
1103 if (strncmp (default_os, "aix", 3) == 0
1104 && default_os[3] >= '4' && default_os[3] <= '9')
2b3c4602 1105 ppc_cpu = PPC_OPCODE_COMMON | PPC_OPCODE_32;
252b5132 1106 else if (strncmp (default_os, "aix3", 4) == 0)
2b3c4602 1107 ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_32;
252b5132 1108 else if (strcmp (default_cpu, "rs6000") == 0)
2b3c4602 1109 ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_32;
0baf16f2 1110 else if (strncmp (default_cpu, "powerpc", 7) == 0)
6a0c61b7
EZ		 1111 {
1112 if (default_cpu[7] == '6' && default_cpu[8] == '4')
1113 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64;
1114 else
1115 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32;
1116 }
252b5132 1117 else
99a814a1
AM		 1118 as_fatal (_("Unknown default cpu = %s, os = %s"),
1119 default_cpu, default_os);
252b5132
RH		 1120 }
1121}
1122
1123/* Figure out the BFD architecture to use. */
1124
1125enum bfd_architecture
1126ppc_arch ()
1127{
1128 const char *default_cpu = TARGET_CPU;
1129 ppc_set_cpu ();
1130
1131 if ((ppc_cpu & PPC_OPCODE_PPC) != 0)
1132 return bfd_arch_powerpc;
1133 else if ((ppc_cpu & PPC_OPCODE_POWER) != 0)
1134 return bfd_arch_rs6000;
1135 else if ((ppc_cpu & (PPC_OPCODE_COMMON | PPC_OPCODE_ANY)) != 0)
1136 {
1137 if (strcmp (default_cpu, "rs6000") == 0)
1138 return bfd_arch_rs6000;
0baf16f2 1139 else if (strncmp (default_cpu, "powerpc", 7) == 0)
252b5132
RH		 1140 return bfd_arch_powerpc;
1141 }
1142
1143 as_fatal (_("Neither Power nor PowerPC opcodes were selected."));
1144 return bfd_arch_unknown;
1145}
1146
7f6d05e8
CP		 1147unsigned long
1148ppc_mach ()
1149{
2b3c4602 1150 return ppc_obj64 ? bfd_mach_ppc64 : bfd_mach_ppc;
7f6d05e8
CP		 1151}
1152
81d4177b 1153extern char*
99a814a1 1154ppc_target_format ()
7f6d05e8
CP		 1155{
1156#ifdef OBJ_COFF
1157#ifdef TE_PE
99a814a1 1158 return target_big_endian ? "pe-powerpc" : "pe-powerpcle";
7f6d05e8 1159#elif TE_POWERMAC
0baf16f2 1160 return "xcoff-powermac";
7f6d05e8 1161#else
eb1e0e80 1162# ifdef TE_AIX5
2b3c4602 1163 return (ppc_obj64 ? "aix5coff64-rs6000" : "aixcoff-rs6000");
eb1e0e80 1164# else
2b3c4602 1165 return (ppc_obj64 ? "aixcoff64-rs6000" : "aixcoff-rs6000");
eb1e0e80 1166# endif
7f6d05e8 1167#endif
7f6d05e8
CP		 1168#endif
1169#ifdef OBJ_ELF
0baf16f2 1170 return (target_big_endian
2b3c4602
AM		 1171 ? (ppc_obj64 ? "elf64-powerpc" : "elf32-powerpc")
1172 : (ppc_obj64 ? "elf64-powerpcle" : "elf32-powerpcle"));
7f6d05e8
CP		 1173#endif
1174}
1175
252b5132
RH		 1176/* This function is called when the assembler starts up. It is called
1177 after the options have been parsed and the output file has been
1178 opened. */
1179
1180void
1181md_begin ()
1182{
1183 register const struct powerpc_opcode *op;
1184 const struct powerpc_opcode *op_end;
1185 const struct powerpc_macro *macro;
1186 const struct powerpc_macro *macro_end;
1187 boolean dup_insn = false;
1188
1189 ppc_set_cpu ();
1190
1191#ifdef OBJ_ELF
81d4177b 1192 /* Set the ELF flags if desired. */
252b5132
RH		 1193 if (ppc_flags && !msolaris)
1194 bfd_set_private_flags (stdoutput, ppc_flags);
1195#endif
1196
1197 /* Insert the opcodes into a hash table. */
1198 ppc_hash = hash_new ();
1199
1200 op_end = powerpc_opcodes + powerpc_num_opcodes;
1201 for (op = powerpc_opcodes; op < op_end; op++)
1202 {
1203 know ((op->opcode & op->mask) == op->opcode);
1204
2b3c4602 1205 if ((op->flags & ppc_cpu & ~(PPC_OPCODE_32 | PPC_OPCODE_64)) != 0
252b5132 1206 && ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) == 0
2b3c4602
AM		 1207 || ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64))
1208 == (ppc_cpu & (PPC_OPCODE_32 | PPC_OPCODE_64)))
23e1d84c
AM		 1209 || (ppc_cpu & PPC_OPCODE_64_BRIDGE) != 0)
1210 && ((op->flags & (PPC_OPCODE_POWER4 | PPC_OPCODE_NOPOWER4)) == 0
1211 || ((op->flags & PPC_OPCODE_POWER4)
1212 == (ppc_cpu & PPC_OPCODE_POWER4))))
252b5132
RH		 1213 {
1214 const char *retval;
1215
1216 retval = hash_insert (ppc_hash, op->name, (PTR) op);
1217 if (retval != (const char *) NULL)
1218 {
99a814a1 1219 /* Ignore Power duplicates for -m601. */
252b5132
RH		 1220 if ((ppc_cpu & PPC_OPCODE_601) != 0
1221 && (op->flags & PPC_OPCODE_POWER) != 0)
1222 continue;
1223
99a814a1
AM		 1224 as_bad (_("Internal assembler error for instruction %s"),
1225 op->name);
252b5132
RH		 1226 dup_insn = true;
1227 }
1228 }
1229 }
1230
1231 /* Insert the macros into a hash table. */
1232 ppc_macro_hash = hash_new ();
1233
1234 macro_end = powerpc_macros + powerpc_num_macros;
1235 for (macro = powerpc_macros; macro < macro_end; macro++)
1236 {
1237 if ((macro->flags & ppc_cpu) != 0)
1238 {
1239 const char *retval;
1240
1241 retval = hash_insert (ppc_macro_hash, macro->name, (PTR) macro);
1242 if (retval != (const char *) NULL)
1243 {
1244 as_bad (_("Internal assembler error for macro %s"), macro->name);
1245 dup_insn = true;
1246 }
1247 }
1248 }
1249
1250 if (dup_insn)
1251 abort ();
1252
99a814a1
AM		 1253 /* Tell the main code what the endianness is if it is not overidden
1254 by the user. */
252b5132
RH		 1255 if (!set_target_endian)
1256 {
1257 set_target_endian = 1;
1258 target_big_endian = PPC_BIG_ENDIAN;
1259 }
1260
1261#ifdef OBJ_XCOFF
1262 ppc_coff_debug_section = coff_section_from_bfd_index (stdoutput, N_DEBUG);
1263
1264 /* Create dummy symbols to serve as initial csects. This forces the
1265 text csects to precede the data csects. These symbols will not
1266 be output. */
1267 ppc_text_csects = symbol_make ("dummy\001");
809ffe0d 1268 symbol_get_tc (ppc_text_csects)->within = ppc_text_csects;
252b5132 1269 ppc_data_csects = symbol_make ("dummy\001");
809ffe0d 1270 symbol_get_tc (ppc_data_csects)->within = ppc_data_csects;
252b5132
RH		 1271#endif
1272
1273#ifdef TE_PE
1274
1275 ppc_current_section = text_section;
81d4177b 1276 ppc_previous_section = 0;
252b5132
RH		 1277
1278#endif
1279}
1280
6a0c61b7
EZ		 1281void
1282ppc_cleanup ()
1283{
1284 if (ppc_apuinfo_list == NULL)
1285 return;
1286
1287 /* Ok, so write the section info out. We have this layout:
1288
1289 byte data what
1290 ---- ---- ----
1291 0 8 length of "APUinfo\0"
1292 4 (n*4) number of APU's (4 bytes each)
1293 8 2 note type 2
1294 12 "APUinfo\0" name
1295 20 APU#1 first APU's info
1296 24 APU#2 second APU's info
1297 ... ...
1298 */
1299 {
1300 char *p;
1301 asection *seg = now_seg;
1302 subsegT subseg = now_subseg;
1303 asection *apuinfo_secp = (asection *) NULL;
1304 int i;
1305
1306 /* Create the .PPC.EMB.apuinfo section. */
1307 apuinfo_secp = subseg_new (".PPC.EMB.apuinfo", 0);
1308 bfd_set_section_flags (stdoutput,
1309 apuinfo_secp,
1310 SEC_HAS_CONTENTS | SEC_READONLY | SEC_MERGE);
1311
1312 p = frag_more (4);
1313 md_number_to_chars (p, (valueT) 8, 4);
1314
1315 p = frag_more (4);
1316 md_number_to_chars (p, (valueT) ppc_apuinfo_num, 4);
1317
1318 p = frag_more (4);
1319 md_number_to_chars (p, (valueT) 2, 4);
1320
1321 p = frag_more (8);
1322 strcpy (p, "APUinfo");
1323
1324 for (i = 0; i < ppc_apuinfo_num; i++)
1325 {
1326 p = frag_more (4);
1327 md_number_to_chars (p, (valueT) ppc_apuinfo_list[i], 4);
1328 }
1329
1330 frag_align (2, 0, 0);
1331
1332 /* We probably can't restore the current segment, for there likely
1333 isn't one yet... */
1334 if (seg && subseg)
1335 subseg_set (seg, subseg);
1336 }
1337}
1338
252b5132
RH		 1339/* Insert an operand value into an instruction. */
1340
1341static unsigned long
1342ppc_insert_operand (insn, operand, val, file, line)
1343 unsigned long insn;
1344 const struct powerpc_operand *operand;
1345 offsetT val;
1346 char *file;
1347 unsigned int line;
1348{
1349 if (operand->bits != 32)
1350 {
1351 long min, max;
1352 offsetT test;
1353
1354 if ((operand->flags & PPC_OPERAND_SIGNED) != 0)
1355 {
d0e9a01c 1356 if ((operand->flags & PPC_OPERAND_SIGNOPT) != 0)
252b5132
RH		 1357 max = (1 << operand->bits) - 1;
1358 else
1359 max = (1 << (operand->bits - 1)) - 1;
1360 min = - (1 << (operand->bits - 1));
1361
2b3c4602 1362 if (!ppc_obj64)
252b5132
RH		 1363 {
1364 /* Some people write 32 bit hex constants with the sign
1365 extension done by hand. This shouldn't really be
1366 valid, but, to permit this code to assemble on a 64
1367 bit host, we sign extend the 32 bit value. */
1368 if (val > 0
92161534
ILT		 1369 && (val & (offsetT) 0x80000000) != 0
1370 && (val & (offsetT) 0xffffffff) == val)
252b5132
RH		 1371 {
1372 val -= 0x80000000;
1373 val -= 0x80000000;
1374 }
1375 }
1376 }
1377 else
1378 {
1379 max = (1 << operand->bits) - 1;
1380 min = 0;
1381 }
1382
1383 if ((operand->flags & PPC_OPERAND_NEGATIVE) != 0)
1384 test = - val;
1385 else
1386 test = val;
1387
1388 if (test < (offsetT) min || test > (offsetT) max)
1389 {
1390 const char *err =
1391 _("operand out of range (%s not between %ld and %ld)");
1392 char buf[100];
1393
1394 sprint_value (buf, test);
0baf16f2 1395 as_bad_where (file, line, err, buf, min, max);
252b5132
RH		 1396 }
1397 }
1398
1399 if (operand->insert)
1400 {
1401 const char *errmsg;
1402
1403 errmsg = NULL;
2b3c4602 1404 insn = (*operand->insert) (insn, (long) val, ppc_cpu, &errmsg);
252b5132 1405 if (errmsg != (const char *) NULL)
0baf16f2 1406 as_bad_where (file, line, errmsg);
252b5132
RH		 1407 }
1408 else
1409 insn |= (((long) val & ((1 << operand->bits) - 1))
1410 << operand->shift);
1411
1412 return insn;
1413}
1414
1415\f
1416#ifdef OBJ_ELF
1417/* Parse @got, etc. and return the desired relocation. */
1418static bfd_reloc_code_real_type
1419ppc_elf_suffix (str_p, exp_p)
1420 char **str_p;
1421 expressionS *exp_p;
1422{
1423 struct map_bfd {
1424 char *string;
1425 int length;
15c1449b 1426 int reloc;
252b5132
RH		 1427 };
1428
1429 char ident[20];
1430 char *str = *str_p;
1431 char *str2;
1432 int ch;
1433 int len;
15c1449b 1434 const struct map_bfd *ptr;
252b5132 1435
bc805888 1436#define MAP(str,reloc) { str, sizeof (str)-1, reloc }
252b5132 1437
15c1449b
AM		 1438 static const struct map_bfd mapping[] = {
1439 MAP ("l", (int) BFD_RELOC_LO16),
1440 MAP ("h", (int) BFD_RELOC_HI16),
1441 MAP ("ha", (int) BFD_RELOC_HI16_S),
1442 MAP ("brtaken", (int) BFD_RELOC_PPC_B16_BRTAKEN),
1443 MAP ("brntaken", (int) BFD_RELOC_PPC_B16_BRNTAKEN),
1444 MAP ("got", (int) BFD_RELOC_16_GOTOFF),
1445 MAP ("got@l", (int) BFD_RELOC_LO16_GOTOFF),
1446 MAP ("got@h", (int) BFD_RELOC_HI16_GOTOFF),
1447 MAP ("got@ha", (int) BFD_RELOC_HI16_S_GOTOFF),
1448 MAP ("fixup", (int) BFD_RELOC_CTOR), /* warning with -mrelocatable */
1449 MAP ("plt", (int) BFD_RELOC_24_PLT_PCREL),
1450 MAP ("pltrel24", (int) BFD_RELOC_24_PLT_PCREL),
1451 MAP ("copy", (int) BFD_RELOC_PPC_COPY),
1452 MAP ("globdat", (int) BFD_RELOC_PPC_GLOB_DAT),
1453 MAP ("local24pc", (int) BFD_RELOC_PPC_LOCAL24PC),
1454 MAP ("local", (int) BFD_RELOC_PPC_LOCAL24PC),
1455 MAP ("pltrel", (int) BFD_RELOC_32_PLT_PCREL),
1456 MAP ("plt@l", (int) BFD_RELOC_LO16_PLTOFF),
1457 MAP ("plt@h", (int) BFD_RELOC_HI16_PLTOFF),
1458 MAP ("plt@ha", (int) BFD_RELOC_HI16_S_PLTOFF),
1459 MAP ("sdarel", (int) BFD_RELOC_GPREL16),
1cfc59d5 1460 MAP ("sectoff", (int) BFD_RELOC_16_BASEREL),
15c1449b
AM		 1461 MAP ("sectoff@l", (int) BFD_RELOC_LO16_BASEREL),
1462 MAP ("sectoff@h", (int) BFD_RELOC_HI16_BASEREL),
1463 MAP ("sectoff@ha", (int) BFD_RELOC_HI16_S_BASEREL),
1464 MAP ("naddr", (int) BFD_RELOC_PPC_EMB_NADDR32),
1465 MAP ("naddr16", (int) BFD_RELOC_PPC_EMB_NADDR16),
1466 MAP ("naddr@l", (int) BFD_RELOC_PPC_EMB_NADDR16_LO),
1467 MAP ("naddr@h", (int) BFD_RELOC_PPC_EMB_NADDR16_HI),
1468 MAP ("naddr@ha", (int) BFD_RELOC_PPC_EMB_NADDR16_HA),
1469 MAP ("sdai16", (int) BFD_RELOC_PPC_EMB_SDAI16),
1470 MAP ("sda2rel", (int) BFD_RELOC_PPC_EMB_SDA2REL),
1471 MAP ("sda2i16", (int) BFD_RELOC_PPC_EMB_SDA2I16),
1472 MAP ("sda21", (int) BFD_RELOC_PPC_EMB_SDA21),
1473 MAP ("mrkref", (int) BFD_RELOC_PPC_EMB_MRKREF),
1474 MAP ("relsect", (int) BFD_RELOC_PPC_EMB_RELSEC16),
1475 MAP ("relsect@l", (int) BFD_RELOC_PPC_EMB_RELST_LO),
1476 MAP ("relsect@h", (int) BFD_RELOC_PPC_EMB_RELST_HI),
1477 MAP ("relsect@ha", (int) BFD_RELOC_PPC_EMB_RELST_HA),
1478 MAP ("bitfld", (int) BFD_RELOC_PPC_EMB_BIT_FLD),
1479 MAP ("relsda", (int) BFD_RELOC_PPC_EMB_RELSDA),
1480 MAP ("xgot", (int) BFD_RELOC_PPC_TOC16),
2b3c4602
AM		 1481 /* The following are only valid for ppc64. Negative values are
1482 used instead of a flag. */
15c1449b
AM		 1483 MAP ("higher", - (int) BFD_RELOC_PPC64_HIGHER),
1484 MAP ("highera", - (int) BFD_RELOC_PPC64_HIGHER_S),
1485 MAP ("highest", - (int) BFD_RELOC_PPC64_HIGHEST),
1486 MAP ("highesta", - (int) BFD_RELOC_PPC64_HIGHEST_S),
1487 MAP ("tocbase", - (int) BFD_RELOC_PPC64_TOC),
1488 MAP ("toc", - (int) BFD_RELOC_PPC_TOC16),
1489 MAP ("toc@l", - (int) BFD_RELOC_PPC64_TOC16_LO),
1490 MAP ("toc@h", - (int) BFD_RELOC_PPC64_TOC16_HI),
1491 MAP ("toc@ha", - (int) BFD_RELOC_PPC64_TOC16_HA),
15c1449b 1492 { (char *) 0, 0, (int) BFD_RELOC_UNUSED }
252b5132
RH		 1493 };
1494
1495 if (*str++ != '@')
1496 return BFD_RELOC_UNUSED;
1497
1498 for (ch = *str, str2 = ident;
1499 (str2 < ident + sizeof (ident) - 1
3882b010 1500 && (ISALNUM (ch) || ch == '@'));
252b5132
RH		 1501 ch = *++str)
1502 {
3882b010 1503 *str2++ = TOLOWER (ch);
252b5132
RH		 1504 }
1505
1506 *str2 = '\0';
1507 len = str2 - ident;
1508
1509 ch = ident[0];
1510 for (ptr = &mapping[0]; ptr->length > 0; ptr++)
1511 if (ch == ptr->string[0]
1512 && len == ptr->length
1513 && memcmp (ident, ptr->string, ptr->length) == 0)
1514 {
15c1449b
AM		 1515 int reloc = ptr->reloc;
1516
2b3c4602 1517 if (reloc < 0)
15c1449b 1518 {
2b3c4602 1519 if (!ppc_obj64)
15c1449b
AM		 1520 return BFD_RELOC_UNUSED;
1521 reloc = -reloc;
1522 }
1523
252b5132 1524 if (exp_p->X_add_number != 0
15c1449b
AM		 1525 && (reloc == (int) BFD_RELOC_16_GOTOFF
1526 || reloc == (int) BFD_RELOC_LO16_GOTOFF
1527 || reloc == (int) BFD_RELOC_HI16_GOTOFF
1528 || reloc == (int) BFD_RELOC_HI16_S_GOTOFF))
252b5132
RH		 1529 as_warn (_("identifier+constant@got means identifier@got+constant"));
1530
99a814a1 1531 /* Now check for identifier@suffix+constant. */
252b5132
RH		 1532 if (*str == '-' || *str == '+')
1533 {
1534 char *orig_line = input_line_pointer;
1535 expressionS new_exp;
1536
1537 input_line_pointer = str;
1538 expression (&new_exp);
1539 if (new_exp.X_op == O_constant)
1540 {
1541 exp_p->X_add_number += new_exp.X_add_number;
1542 str = input_line_pointer;
1543 }
1544
1545 if (&input_line_pointer != str_p)
1546 input_line_pointer = orig_line;
1547 }
252b5132 1548 *str_p = str;
0baf16f2 1549
2b3c4602 1550 if (reloc == (int) BFD_RELOC_PPC64_TOC
0baf16f2
AM		 1551 && exp_p->X_op == O_symbol)
1552 {
1553 /* This reloc type ignores the symbol. Change the symbol
1554 so that the dummy .TOC. symbol can be omitted from the
1555 object file. */
1556 exp_p->X_add_symbol = &abs_symbol;
1557 }
1558
15c1449b 1559 return (bfd_reloc_code_real_type) reloc;
252b5132
RH		 1560 }
1561
1562 return BFD_RELOC_UNUSED;
1563}
1564
99a814a1
AM		 1565/* Like normal .long/.short/.word, except support @got, etc.
1566 Clobbers input_line_pointer, checks end-of-line. */
252b5132
RH		 1567static void
1568ppc_elf_cons (nbytes)
0baf16f2 1569 register int nbytes; /* 1=.byte, 2=.word, 4=.long, 8=.llong. */
252b5132
RH		 1570{
1571 expressionS exp;
1572 bfd_reloc_code_real_type reloc;
1573
1574 if (is_it_end_of_statement ())
1575 {
1576 demand_empty_rest_of_line ();
1577 return;
1578 }
1579
1580 do
1581 {
1582 expression (&exp);
1583 if (exp.X_op == O_symbol
1584 && *input_line_pointer == '@'
99a814a1
AM		 1585 && (reloc = ppc_elf_suffix (&input_line_pointer,
1586 &exp)) != BFD_RELOC_UNUSED)
252b5132 1587 {
99a814a1
AM		 1588 reloc_howto_type *reloc_howto;
1589 int size;
1590
1591 reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc);
1592 size = bfd_get_reloc_size (reloc_howto);
252b5132
RH		 1593
1594 if (size > nbytes)
0baf16f2
AM		 1595 {
1596 as_bad (_("%s relocations do not fit in %d bytes\n"),
1597 reloc_howto->name, nbytes);
1598 }
252b5132
RH		 1599 else
1600 {
0baf16f2
AM		 1601 char *p;
1602 int offset;
252b5132 1603
0baf16f2
AM		 1604 p = frag_more (nbytes);
1605 offset = 0;
1606 if (target_big_endian)
1607 offset = nbytes - size;
99a814a1
AM		 1608 fix_new_exp (frag_now, p - frag_now->fr_literal + offset, size,
1609 &exp, 0, reloc);
252b5132
RH		 1610 }
1611 }
1612 else
1613 emit_expr (&exp, (unsigned int) nbytes);
1614 }
1615 while (*input_line_pointer++ == ',');
1616
99a814a1
AM		 1617 /* Put terminator back into stream. */
1618 input_line_pointer--;
252b5132
RH		 1619 demand_empty_rest_of_line ();
1620}
1621
1622/* Solaris pseduo op to change to the .rodata section. */
1623static void
1624ppc_elf_rdata (xxx)
1625 int xxx;
1626{
1627 char *save_line = input_line_pointer;
1628 static char section[] = ".rodata\n";
1629
99a814a1 1630 /* Just pretend this is .section .rodata */
252b5132
RH		 1631 input_line_pointer = section;
1632 obj_elf_section (xxx);
1633
1634 input_line_pointer = save_line;
1635}
1636
99a814a1 1637/* Pseudo op to make file scope bss items. */
252b5132 1638static void
99a814a1 1639ppc_elf_lcomm (xxx)
92161534 1640 int xxx ATTRIBUTE_UNUSED;
252b5132
RH		 1641{
1642 register char *name;
1643 register char c;
1644 register char *p;
1645 offsetT size;
1646 register symbolS *symbolP;
1647 offsetT align;
1648 segT old_sec;
1649 int old_subsec;
1650 char *pfrag;
1651 int align2;
1652
1653 name = input_line_pointer;
1654 c = get_symbol_end ();
1655
99a814a1 1656 /* just after name is now '\0'. */
252b5132
RH		 1657 p = input_line_pointer;
1658 *p = c;
1659 SKIP_WHITESPACE ();
1660 if (*input_line_pointer != ',')
1661 {
1662 as_bad (_("Expected comma after symbol-name: rest of line ignored."));
1663 ignore_rest_of_line ();
1664 return;
1665 }
1666
1667 input_line_pointer++; /* skip ',' */
1668 if ((size = get_absolute_expression ()) < 0)
1669 {
1670 as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size);
1671 ignore_rest_of_line ();
1672 return;
1673 }
1674
1675 /* The third argument to .lcomm is the alignment. */
1676 if (*input_line_pointer != ',')
1677 align = 8;
1678 else
1679 {
1680 ++input_line_pointer;
1681 align = get_absolute_expression ();
1682 if (align <= 0)
1683 {
1684 as_warn (_("ignoring bad alignment"));
1685 align = 8;
1686 }
1687 }
1688
1689 *p = 0;
1690 symbolP = symbol_find_or_make (name);
1691 *p = c;
1692
1693 if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
1694 {
1695 as_bad (_("Ignoring attempt to re-define symbol `%s'."),
1696 S_GET_NAME (symbolP));
1697 ignore_rest_of_line ();
1698 return;
1699 }
1700
1701 if (S_GET_VALUE (symbolP) && S_GET_VALUE (symbolP) != (valueT) size)
1702 {
1703 as_bad (_("Length of .lcomm \"%s\" is already %ld. Not changed to %ld."),
1704 S_GET_NAME (symbolP),
1705 (long) S_GET_VALUE (symbolP),
1706 (long) size);
1707
1708 ignore_rest_of_line ();
1709 return;
1710 }
1711
99a814a1 1712 /* Allocate_bss. */
252b5132
RH		 1713 old_sec = now_seg;
1714 old_subsec = now_subseg;
1715 if (align)
1716 {
99a814a1 1717 /* Convert to a power of 2 alignment. */
252b5132
RH		 1718 for (align2 = 0; (align & 1) == 0; align >>= 1, ++align2);
1719 if (align != 1)
1720 {
1721 as_bad (_("Common alignment not a power of 2"));
1722 ignore_rest_of_line ();
1723 return;
1724 }
1725 }
1726 else
1727 align2 = 0;
1728
1729 record_alignment (bss_section, align2);
1730 subseg_set (bss_section, 0);
1731 if (align2)
1732 frag_align (align2, 0, 0);
1733 if (S_GET_SEGMENT (symbolP) == bss_section)
49309057
ILT		 1734 symbol_get_frag (symbolP)->fr_symbol = 0;
1735 symbol_set_frag (symbolP, frag_now);
252b5132
RH		 1736 pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size,
1737 (char *) 0);
1738 *pfrag = 0;
1739 S_SET_SIZE (symbolP, size);
1740 S_SET_SEGMENT (symbolP, bss_section);
1741 subseg_set (old_sec, old_subsec);
1742 demand_empty_rest_of_line ();
1743}
1744
1745/* Validate any relocations emitted for -mrelocatable, possibly adding
1746 fixups for word relocations in writable segments, so we can adjust
1747 them at runtime. */
1748static void
1749ppc_elf_validate_fix (fixp, seg)
1750 fixS *fixp;
1751 segT seg;
1752{
1753 if (fixp->fx_done || fixp->fx_pcrel)
1754 return;
1755
1756 switch (shlib)
1757 {
1758 case SHLIB_NONE:
1759 case SHLIB_PIC:
1760 return;
1761
5d6f4f16 1762 case SHLIB_MRELOCATABLE:
252b5132
RH		 1763 if (fixp->fx_r_type <= BFD_RELOC_UNUSED
1764 && fixp->fx_r_type != BFD_RELOC_16_GOTOFF
1765 && fixp->fx_r_type != BFD_RELOC_HI16_GOTOFF
1766 && fixp->fx_r_type != BFD_RELOC_LO16_GOTOFF
1767 && fixp->fx_r_type != BFD_RELOC_HI16_S_GOTOFF
1cfc59d5 1768 && fixp->fx_r_type != BFD_RELOC_16_BASEREL
252b5132
RH		 1769 && fixp->fx_r_type != BFD_RELOC_LO16_BASEREL
1770 && fixp->fx_r_type != BFD_RELOC_HI16_BASEREL
1771 && fixp->fx_r_type != BFD_RELOC_HI16_S_BASEREL
e138127a 1772 && (seg->flags & SEC_LOAD) != 0
252b5132
RH		 1773 && strcmp (segment_name (seg), ".got2") != 0
1774 && strcmp (segment_name (seg), ".dtors") != 0
1775 && strcmp (segment_name (seg), ".ctors") != 0
1776 && strcmp (segment_name (seg), ".fixup") != 0
252b5132
RH		 1777 && strcmp (segment_name (seg), ".gcc_except_table") != 0
1778 && strcmp (segment_name (seg), ".eh_frame") != 0
1779 && strcmp (segment_name (seg), ".ex_shared") != 0)
1780 {
1781 if ((seg->flags & (SEC_READONLY | SEC_CODE)) != 0
1782 || fixp->fx_r_type != BFD_RELOC_CTOR)
1783 {
1784 as_bad_where (fixp->fx_file, fixp->fx_line,
1785 _("Relocation cannot be done when using -mrelocatable"));
1786 }
1787 }
1788 return;
1789 }
1790}
0baf16f2 1791
7e8d4ab4
AM		 1792/* Prevent elf_frob_file_before_adjust removing a weak undefined
1793 function descriptor sym if the corresponding code sym is used. */
1794
1795void
1796ppc_frob_file_before_adjust ()
0baf16f2 1797{
7e8d4ab4 1798 symbolS *symp;
0baf16f2 1799
7e8d4ab4
AM		 1800 if (!ppc_obj64)
1801 return;
1802
1803 for (symp = symbol_rootP; symp; symp = symbol_next (symp))
0baf16f2 1804 {
7e8d4ab4
AM		 1805 const char *name;
1806 char *dotname;
1807 symbolS *dotsym;
1808 size_t len;
1809
1810 name = S_GET_NAME (symp);
1811 if (name[0] == '.')
1812 continue;
1813
1814 if (! S_IS_WEAK (symp)
1815 || S_IS_DEFINED (symp))
1816 continue;
1817
1818 len = strlen (name) + 1;
1819 dotname = xmalloc (len + 1);
1820 dotname[0] = '.';
1821 memcpy (dotname + 1, name, len);
1822 dotsym = symbol_find (dotname);
1823 free (dotname);
1824 if (dotsym != NULL && (symbol_used_p (dotsym)
1825 || symbol_used_in_reloc_p (dotsym)))
1826 {
1827 symbol_mark_used (symp);
1828 }
0baf16f2
AM		 1829 }
1830
7e8d4ab4
AM		 1831 /* Don't emit .TOC. symbol. */
1832 symp = symbol_find (".TOC.");
1833 if (symp != NULL)
1834 symbol_remove (symp, &symbol_rootP, &symbol_lastP);
0baf16f2 1835}
252b5132
RH		 1836#endif /* OBJ_ELF */
1837\f
1838#ifdef TE_PE
1839
1840/*
99a814a1 1841 * Summary of parse_toc_entry.
252b5132
RH		 1842 *
1843 * in: Input_line_pointer points to the '[' in one of:
1844 *
1845 * [toc] [tocv] [toc32] [toc64]
1846 *
1847 * Anything else is an error of one kind or another.
1848 *
81d4177b 1849 * out:
252b5132
RH		 1850 * return value: success or failure
1851 * toc_kind: kind of toc reference
1852 * input_line_pointer:
1853 * success: first char after the ']'
1854 * failure: unchanged
1855 *
1856 * settings:
1857 *
1858 * [toc] - rv == success, toc_kind = default_toc
1859 * [tocv] - rv == success, toc_kind = data_in_toc
1860 * [toc32] - rv == success, toc_kind = must_be_32
1861 * [toc64] - rv == success, toc_kind = must_be_64
1862 *
1863 */
1864
81d4177b
KH		 1865enum toc_size_qualifier
1866{
252b5132
RH		 1867 default_toc, /* The toc cell constructed should be the system default size */
1868 data_in_toc, /* This is a direct reference to a toc cell */
1869 must_be_32, /* The toc cell constructed must be 32 bits wide */
1870 must_be_64 /* The toc cell constructed must be 64 bits wide */
1871};
1872
1873static int
99a814a1 1874parse_toc_entry (toc_kind)
252b5132
RH		 1875 enum toc_size_qualifier *toc_kind;
1876{
1877 char *start;
1878 char *toc_spec;
1879 char c;
1880 enum toc_size_qualifier t;
1881
99a814a1 1882 /* Save the input_line_pointer. */
252b5132
RH		 1883 start = input_line_pointer;
1884
99a814a1 1885 /* Skip over the '[' , and whitespace. */
252b5132
RH		 1886 ++input_line_pointer;
1887 SKIP_WHITESPACE ();
81d4177b 1888
99a814a1 1889 /* Find the spelling of the operand. */
252b5132
RH		 1890 toc_spec = input_line_pointer;
1891 c = get_symbol_end ();
1892
99a814a1 1893 if (strcmp (toc_spec, "toc") == 0)
252b5132
RH		 1894 {
1895 t = default_toc;
1896 }
99a814a1 1897 else if (strcmp (toc_spec, "tocv") == 0)
252b5132
RH		 1898 {
1899 t = data_in_toc;
1900 }
99a814a1 1901 else if (strcmp (toc_spec, "toc32") == 0)
252b5132
RH		 1902 {
1903 t = must_be_32;
1904 }
99a814a1 1905 else if (strcmp (toc_spec, "toc64") == 0)
252b5132
RH		 1906 {
1907 t = must_be_64;
1908 }
1909 else
1910 {
1911 as_bad (_("syntax error: invalid toc specifier `%s'"), toc_spec);
99a814a1
AM		 1912 *input_line_pointer = c;
1913 input_line_pointer = start;
252b5132
RH		 1914 return 0;
1915 }
1916
99a814a1
AM		 1917 /* Now find the ']'. */
1918 *input_line_pointer = c;
252b5132 1919
81d4177b
KH		 1920 SKIP_WHITESPACE (); /* leading whitespace could be there. */
1921 c = *input_line_pointer++; /* input_line_pointer->past char in c. */
252b5132
RH		 1922
1923 if (c != ']')
1924 {
1925 as_bad (_("syntax error: expected `]', found `%c'"), c);
99a814a1 1926 input_line_pointer = start;
252b5132
RH		 1927 return 0;
1928 }
1929
99a814a1 1930 *toc_kind = t;
252b5132
RH		 1931 return 1;
1932}
1933#endif
1934\f
1935
6a0c61b7
EZ		 1936#define APUID(a,v) ((((a) & 0xffff) << 16) | ((v) & 0xffff))
1937static void
1938ppc_apuinfo_section_add(apu, version)
1939 unsigned int apu, version;
1940{
1941 unsigned int i;
1942
1943 /* Check we don't already exist. */
1944 for (i = 0; i < ppc_apuinfo_num; i++)
1945 if (ppc_apuinfo_list[i] == APUID(apu, version))
1946 return;
1947
1948 if (ppc_apuinfo_num == ppc_apuinfo_num_alloc)
1949 {
1950 if (ppc_apuinfo_num_alloc == 0)
1951 {
1952 ppc_apuinfo_num_alloc = 4;
1953 ppc_apuinfo_list = (unsigned long *)
1954 xmalloc (sizeof (unsigned long) * ppc_apuinfo_num_alloc);
1955 }
1956 else
1957 {
1958 ppc_apuinfo_num_alloc += 4;
1959 ppc_apuinfo_list = (unsigned long *) xrealloc (ppc_apuinfo_list,
1960 sizeof (unsigned long) * ppc_apuinfo_num_alloc);
1961 }
1962 }
1963 ppc_apuinfo_list[ppc_apuinfo_num++] = APUID(apu, version);
1964}
1965#undef APUID
1966\f
1967
252b5132
RH		 1968/* We need to keep a list of fixups. We can't simply generate them as
1969 we go, because that would require us to first create the frag, and
1970 that would screw up references to ``.''. */
1971
1972struct ppc_fixup
1973{
1974 expressionS exp;
1975 int opindex;
1976 bfd_reloc_code_real_type reloc;
1977};
1978
1979#define MAX_INSN_FIXUPS (5)
1980
1981/* This routine is called for each instruction to be assembled. */
1982
1983void
1984md_assemble (str)
1985 char *str;
1986{
1987 char *s;
1988 const struct powerpc_opcode *opcode;
1989 unsigned long insn;
1990 const unsigned char *opindex_ptr;
1991 int skip_optional;
1992 int need_paren;
1993 int next_opindex;
1994 struct ppc_fixup fixups[MAX_INSN_FIXUPS];
1995 int fc;
1996 char *f;
1997 int i;
1998#ifdef OBJ_ELF
1999 bfd_reloc_code_real_type reloc;
2000#endif
2001
2002 /* Get the opcode. */
3882b010 2003 for (s = str; *s != '\0' && ! ISSPACE (*s); s++)
252b5132
RH		 2004 ;
2005 if (*s != '\0')
2006 *s++ = '\0';
2007
2008 /* Look up the opcode in the hash table. */
2009 opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, str);
2010 if (opcode == (const struct powerpc_opcode *) NULL)
2011 {
2012 const struct powerpc_macro *macro;
2013
2014 macro = (const struct powerpc_macro *) hash_find (ppc_macro_hash, str);
2015 if (macro == (const struct powerpc_macro *) NULL)
2016 as_bad (_("Unrecognized opcode: `%s'"), str);
2017 else
2018 ppc_macro (s, macro);
2019
2020 return;
2021 }
2022
2023 insn = opcode->opcode;
2024
2025 str = s;
3882b010 2026 while (ISSPACE (*str))
252b5132
RH		 2027 ++str;
2028
2029 /* PowerPC operands are just expressions. The only real issue is
2030 that a few operand types are optional. All cases which might use
2031 an optional operand separate the operands only with commas (in
2032 some cases parentheses are used, as in ``lwz 1,0(1)'' but such
2033 cases never have optional operands). There is never more than
2034 one optional operand for an instruction. So, before we start
2035 seriously parsing the operands, we check to see if we have an
2036 optional operand, and, if we do, we count the number of commas to
2037 see whether the operand should be omitted. */
2038 skip_optional = 0;
2039 for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++)
2040 {
2041 const struct powerpc_operand *operand;
2042
2043 operand = &powerpc_operands[*opindex_ptr];
2044 if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0)
2045 {
2046 unsigned int opcount;
2047
2048 /* There is an optional operand. Count the number of
2049 commas in the input line. */
2050 if (*str == '\0')
2051 opcount = 0;
2052 else
2053 {
2054 opcount = 1;
2055 s = str;
2056 while ((s = strchr (s, ',')) != (char *) NULL)
2057 {
2058 ++opcount;
2059 ++s;
2060 }
2061 }
2062
2063 /* If there are fewer operands in the line then are called
2064 for by the instruction, we want to skip the optional
2065 operand. */
2066 if (opcount < strlen (opcode->operands))
2067 skip_optional = 1;
2068
2069 break;
2070 }
2071 }
2072
2073 /* Gather the operands. */
2074 need_paren = 0;
2075 next_opindex = 0;
2076 fc = 0;
2077 for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++)
2078 {
2079 const struct powerpc_operand *operand;
2080 const char *errmsg;
2081 char *hold;
2082 expressionS ex;
2083 char endc;
2084
2085 if (next_opindex == 0)
2086 operand = &powerpc_operands[*opindex_ptr];
2087 else
2088 {
2089 operand = &powerpc_operands[next_opindex];
2090 next_opindex = 0;
2091 }
252b5132
RH		 2092 errmsg = NULL;
2093
2094 /* If this is a fake operand, then we do not expect anything
2095 from the input. */
2096 if ((operand->flags & PPC_OPERAND_FAKE) != 0)
2097 {
2b3c4602 2098 insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg);
252b5132
RH		 2099 if (errmsg != (const char *) NULL)
2100 as_bad (errmsg);
2101 continue;
2102 }
2103
2104 /* If this is an optional operand, and we are skipping it, just
2105 insert a zero. */
2106 if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0
2107 && skip_optional)
2108 {
2109 if (operand->insert)
2110 {
2b3c4602 2111 insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg);
252b5132
RH		 2112 if (errmsg != (const char *) NULL)
2113 as_bad (errmsg);
2114 }
2115 if ((operand->flags & PPC_OPERAND_NEXT) != 0)
2116 next_opindex = *opindex_ptr + 1;
2117 continue;
2118 }
2119
2120 /* Gather the operand. */
2121 hold = input_line_pointer;
2122 input_line_pointer = str;
2123
2124#ifdef TE_PE
81d4177b 2125 if (*input_line_pointer == '[')
252b5132
RH		 2126 {
2127 /* We are expecting something like the second argument here:
99a814a1
AM		 2128 *
2129 * lwz r4,[toc].GS.0.static_int(rtoc)
2130 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^
2131 * The argument following the `]' must be a symbol name, and the
2132 * register must be the toc register: 'rtoc' or '2'
2133 *
2134 * The effect is to 0 as the displacement field
2135 * in the instruction, and issue an IMAGE_REL_PPC_TOCREL16 (or
2136 * the appropriate variation) reloc against it based on the symbol.
2137 * The linker will build the toc, and insert the resolved toc offset.
2138 *
2139 * Note:
2140 * o The size of the toc entry is currently assumed to be
2141 * 32 bits. This should not be assumed to be a hard coded
2142 * number.
2143 * o In an effort to cope with a change from 32 to 64 bits,
2144 * there are also toc entries that are specified to be
2145 * either 32 or 64 bits:
2146 * lwz r4,[toc32].GS.0.static_int(rtoc)
2147 * lwz r4,[toc64].GS.0.static_int(rtoc)
2148 * These demand toc entries of the specified size, and the
2149 * instruction probably requires it.
2150 */
252b5132
RH		 2151
2152 int valid_toc;
2153 enum toc_size_qualifier toc_kind;
2154 bfd_reloc_code_real_type toc_reloc;
2155
99a814a1
AM		 2156 /* Go parse off the [tocXX] part. */
2157 valid_toc = parse_toc_entry (&toc_kind);
252b5132 2158
81d4177b 2159 if (!valid_toc)
252b5132 2160 {
99a814a1
AM		 2161 /* Note: message has already been issued.
2162 FIXME: what sort of recovery should we do?
2163 demand_rest_of_line (); return; ? */
252b5132
RH		 2164 }
2165
99a814a1
AM		 2166 /* Now get the symbol following the ']'. */
2167 expression (&ex);
252b5132
RH		 2168
2169 switch (toc_kind)
2170 {
2171 case default_toc:
99a814a1
AM		 2172 /* In this case, we may not have seen the symbol yet,
2173 since it is allowed to appear on a .extern or .globl
2174 or just be a label in the .data section. */
252b5132
RH		 2175 toc_reloc = BFD_RELOC_PPC_TOC16;
2176 break;
2177 case data_in_toc:
99a814a1
AM		 2178 /* 1. The symbol must be defined and either in the toc
2179 section, or a global.
2180 2. The reloc generated must have the TOCDEFN flag set
2181 in upper bit mess of the reloc type.
2182 FIXME: It's a little confusing what the tocv
2183 qualifier can be used for. At the very least, I've
2184 seen three uses, only one of which I'm sure I can
2185 explain. */
81d4177b
KH		 2186 if (ex.X_op == O_symbol)
2187 {
252b5132 2188 assert (ex.X_add_symbol != NULL);
fed9b18a
ILT		 2189 if (symbol_get_bfdsym (ex.X_add_symbol)->section
2190 != tocdata_section)
252b5132 2191 {
99a814a1 2192 as_bad (_("[tocv] symbol is not a toc symbol"));
252b5132
RH		 2193 }
2194 }
2195
2196 toc_reloc = BFD_RELOC_PPC_TOC16;
2197 break;
2198 case must_be_32:
99a814a1
AM		 2199 /* FIXME: these next two specifically specify 32/64 bit
2200 toc entries. We don't support them today. Is this
2201 the right way to say that? */
252b5132
RH		 2202 toc_reloc = BFD_RELOC_UNUSED;
2203 as_bad (_("Unimplemented toc32 expression modifier"));
2204 break;
2205 case must_be_64:
99a814a1 2206 /* FIXME: see above. */
252b5132
RH		 2207 toc_reloc = BFD_RELOC_UNUSED;
2208 as_bad (_("Unimplemented toc64 expression modifier"));
2209 break;
2210 default:
bc805888 2211 fprintf (stderr,
99a814a1
AM		 2212 _("Unexpected return value [%d] from parse_toc_entry!\n"),
2213 toc_kind);
bc805888 2214 abort ();
252b5132
RH		 2215 break;
2216 }
2217
2218 /* We need to generate a fixup for this expression. */
2219 if (fc >= MAX_INSN_FIXUPS)
2220 as_fatal (_("too many fixups"));
2221
2222 fixups[fc].reloc = toc_reloc;
2223 fixups[fc].exp = ex;
2224 fixups[fc].opindex = *opindex_ptr;
2225 ++fc;
2226
99a814a1
AM		 2227 /* Ok. We've set up the fixup for the instruction. Now make it
2228 look like the constant 0 was found here. */
252b5132
RH		 2229 ex.X_unsigned = 1;
2230 ex.X_op = O_constant;
2231 ex.X_add_number = 0;
2232 ex.X_add_symbol = NULL;
2233 ex.X_op_symbol = NULL;
2234 }
2235
2236 else
2237#endif /* TE_PE */
2238 {
2239 if (! register_name (&ex))
2240 {
2241 if ((operand->flags & PPC_OPERAND_CR) != 0)
2242 cr_operand = true;
2243 expression (&ex);
2244 cr_operand = false;
2245 }
2246 }
2247
2248 str = input_line_pointer;
2249 input_line_pointer = hold;
2250
2251 if (ex.X_op == O_illegal)
2252 as_bad (_("illegal operand"));
2253 else if (ex.X_op == O_absent)
2254 as_bad (_("missing operand"));
2255 else if (ex.X_op == O_register)
2256 {
2257 insn = ppc_insert_operand (insn, operand, ex.X_add_number,
2258 (char *) NULL, 0);
2259 }
2260 else if (ex.X_op == O_constant)
2261 {
2262#ifdef OBJ_ELF
81d4177b 2263 /* Allow @HA, @L, @H on constants. */
252b5132
RH		 2264 char *orig_str = str;
2265
2266 if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED)
2267 switch (reloc)
2268 {
2269 default:
2270 str = orig_str;
2271 break;
2272
2273 case BFD_RELOC_LO16:
2274 /* X_unsigned is the default, so if the user has done
0baf16f2
AM		 2275 something which cleared it, we always produce a
2276 signed value. */
2277 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
252b5132
RH		 2278 ex.X_add_number &= 0xffff;
2279 else
0baf16f2 2280 ex.X_add_number = SEX16 (ex.X_add_number);
252b5132
RH		 2281 break;
2282
2283 case BFD_RELOC_HI16:
0baf16f2
AM		 2284 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2285 ex.X_add_number = PPC_HI (ex.X_add_number);
2286 else
2287 ex.X_add_number = SEX16 (PPC_HI (ex.X_add_number));
252b5132
RH		 2288 break;
2289
2290 case BFD_RELOC_HI16_S:
0baf16f2
AM		 2291 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2292 ex.X_add_number = PPC_HA (ex.X_add_number);
2293 else
2294 ex.X_add_number = SEX16 (PPC_HA (ex.X_add_number));
2295 break;
2296
0baf16f2
AM		 2297 case BFD_RELOC_PPC64_HIGHER:
2298 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2299 ex.X_add_number = PPC_HIGHER (ex.X_add_number);
2300 else
2301 ex.X_add_number = SEX16 (PPC_HIGHER (ex.X_add_number));
2302 break;
2303
2304 case BFD_RELOC_PPC64_HIGHER_S:
2305 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2306 ex.X_add_number = PPC_HIGHERA (ex.X_add_number);
2307 else
2308 ex.X_add_number = SEX16 (PPC_HIGHERA (ex.X_add_number));
252b5132 2309 break;
0baf16f2
AM		 2310
2311 case BFD_RELOC_PPC64_HIGHEST:
2312 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2313 ex.X_add_number = PPC_HIGHEST (ex.X_add_number);
2314 else
2315 ex.X_add_number = SEX16 (PPC_HIGHEST (ex.X_add_number));
2316 break;
2317
2318 case BFD_RELOC_PPC64_HIGHEST_S:
2319 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2320 ex.X_add_number = PPC_HIGHESTA (ex.X_add_number);
2321 else
2322 ex.X_add_number = SEX16 (PPC_HIGHESTA (ex.X_add_number));
2323 break;
252b5132 2324 }
0baf16f2 2325#endif /* OBJ_ELF */
252b5132
RH		 2326 insn = ppc_insert_operand (insn, operand, ex.X_add_number,
2327 (char *) NULL, 0);
2328 }
2329#ifdef OBJ_ELF
2330 else if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED)
2331 {
99a814a1
AM		 2332 /* For the absolute forms of branches, convert the PC
2333 relative form back into the absolute. */
252b5132
RH		 2334 if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0)
2335 {
2336 switch (reloc)
2337 {
2338 case BFD_RELOC_PPC_B26:
2339 reloc = BFD_RELOC_PPC_BA26;
2340 break;
2341 case BFD_RELOC_PPC_B16:
2342 reloc = BFD_RELOC_PPC_BA16;
2343 break;
2344 case BFD_RELOC_PPC_B16_BRTAKEN:
2345 reloc = BFD_RELOC_PPC_BA16_BRTAKEN;
2346 break;
2347 case BFD_RELOC_PPC_B16_BRNTAKEN:
2348 reloc = BFD_RELOC_PPC_BA16_BRNTAKEN;
2349 break;
2350 default:
2351 break;
2352 }
2353 }
2354
2b3c4602 2355 if (ppc_obj64
0baf16f2
AM		 2356 && (operand->flags & PPC_OPERAND_DS) != 0)
2357 {
2358 switch (reloc)
2359 {
2360 case BFD_RELOC_16:
2361 reloc = BFD_RELOC_PPC64_ADDR16_DS;
2362 break;
2363 case BFD_RELOC_LO16:
2364 reloc = BFD_RELOC_PPC64_ADDR16_LO_DS;
2365 break;
2366 case BFD_RELOC_16_GOTOFF:
2367 reloc = BFD_RELOC_PPC64_GOT16_DS;
2368 break;
2369 case BFD_RELOC_LO16_GOTOFF:
2370 reloc = BFD_RELOC_PPC64_GOT16_LO_DS;
2371 break;
2372 case BFD_RELOC_LO16_PLTOFF:
2373 reloc = BFD_RELOC_PPC64_PLT16_LO_DS;
2374 break;
1cfc59d5 2375 case BFD_RELOC_16_BASEREL:
0baf16f2
AM		 2376 reloc = BFD_RELOC_PPC64_SECTOFF_DS;
2377 break;
2378 case BFD_RELOC_LO16_BASEREL:
2379 reloc = BFD_RELOC_PPC64_SECTOFF_LO_DS;
2380 break;
2381 case BFD_RELOC_PPC_TOC16:
2382 reloc = BFD_RELOC_PPC64_TOC16_DS;
2383 break;
2384 case BFD_RELOC_PPC64_TOC16_LO:
2385 reloc = BFD_RELOC_PPC64_TOC16_LO_DS;
2386 break;
2387 case BFD_RELOC_PPC64_PLTGOT16:
2388 reloc = BFD_RELOC_PPC64_PLTGOT16_DS;
2389 break;
2390 case BFD_RELOC_PPC64_PLTGOT16_LO:
2391 reloc = BFD_RELOC_PPC64_PLTGOT16_LO_DS;
2392 break;
2393 default:
2394 as_bad (_("unsupported relocation for DS offset field"));
2395 break;
2396 }
2397 }
2398
252b5132
RH		 2399 /* We need to generate a fixup for this expression. */
2400 if (fc >= MAX_INSN_FIXUPS)
2401 as_fatal (_("too many fixups"));
2402 fixups[fc].exp = ex;
2403 fixups[fc].opindex = 0;
2404 fixups[fc].reloc = reloc;
2405 ++fc;
2406 }
2407#endif /* OBJ_ELF */
2408
2409 else
2410 {
2411 /* We need to generate a fixup for this expression. */
2412 if (fc >= MAX_INSN_FIXUPS)
2413 as_fatal (_("too many fixups"));
2414 fixups[fc].exp = ex;
2415 fixups[fc].opindex = *opindex_ptr;
2416 fixups[fc].reloc = BFD_RELOC_UNUSED;
2417 ++fc;
2418 }
2419
2420 if (need_paren)
2421 {
2422 endc = ')';
2423 need_paren = 0;
2424 }
2425 else if ((operand->flags & PPC_OPERAND_PARENS) != 0)
2426 {
2427 endc = '(';
2428 need_paren = 1;
2429 }
2430 else
2431 endc = ',';
2432
2433 /* The call to expression should have advanced str past any
2434 whitespace. */
2435 if (*str != endc
2436 && (endc != ',' || *str != '\0'))
2437 {
2438 as_bad (_("syntax error; found `%c' but expected `%c'"), *str, endc);
2439 break;
2440 }
2441
2442 if (*str != '\0')
2443 ++str;
2444 }
2445
3882b010 2446 while (ISSPACE (*str))
252b5132
RH		 2447 ++str;
2448
2449 if (*str != '\0')
2450 as_bad (_("junk at end of line: `%s'"), str);
2451
6a0c61b7
EZ		 2452 /* Do we need/want a APUinfo section? */
2453 if (ppc_cpu & (PPC_OPCODE_SPE
2454 | PPC_OPCODE_ISEL | PPC_OPCODE_EFS
2455 | PPC_OPCODE_BRLOCK | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK
2456 | PPC_OPCODE_RFMCI))
2457 {
2458 /* These are all version "1". */
2459 if (opcode->flags & PPC_OPCODE_SPE)
2460 ppc_apuinfo_section_add(PPC_APUINFO_SPE, 1);
2461 if (opcode->flags & PPC_OPCODE_ISEL)
2462 ppc_apuinfo_section_add(PPC_APUINFO_ISEL, 1);
2463 if (opcode->flags & PPC_OPCODE_EFS)
2464 ppc_apuinfo_section_add(PPC_APUINFO_EFS, 1);
2465 if (opcode->flags & PPC_OPCODE_BRLOCK)
2466 ppc_apuinfo_section_add(PPC_APUINFO_BRLOCK, 1);
2467 if (opcode->flags & PPC_OPCODE_PMR)
2468 ppc_apuinfo_section_add(PPC_APUINFO_PMR, 1);
2469 if (opcode->flags & PPC_OPCODE_CACHELCK)
2470 ppc_apuinfo_section_add(PPC_APUINFO_CACHELCK, 1);
2471 if (opcode->flags & PPC_OPCODE_RFMCI)
2472 ppc_apuinfo_section_add(PPC_APUINFO_RFMCI, 1);
2473 }
2474
252b5132
RH		 2475 /* Write out the instruction. */
2476 f = frag_more (4);
2477 md_number_to_chars (f, insn, 4);
2478
5d6f4f16
GK		 2479#ifdef OBJ_ELF
2480 dwarf2_emit_insn (4);
2481#endif
2482
252b5132
RH		 2483 /* Create any fixups. At this point we do not use a
2484 bfd_reloc_code_real_type, but instead just use the
2485 BFD_RELOC_UNUSED plus the operand index. This lets us easily
2486 handle fixups for any operand type, although that is admittedly
2487 not a very exciting feature. We pick a BFD reloc type in
94f592af 2488 md_apply_fix3. */
252b5132
RH		 2489 for (i = 0; i < fc; i++)
2490 {
2491 const struct powerpc_operand *operand;
2492
2493 operand = &powerpc_operands[fixups[i].opindex];
2494 if (fixups[i].reloc != BFD_RELOC_UNUSED)
2495 {
99a814a1 2496 reloc_howto_type *reloc_howto;
252b5132
RH		 2497 int size;
2498 int offset;
2499 fixS *fixP;
2500
99a814a1 2501 reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc);
252b5132
RH		 2502 if (!reloc_howto)
2503 abort ();
2504
2505 size = bfd_get_reloc_size (reloc_howto);
2506 offset = target_big_endian ? (4 - size) : 0;
2507
2508 if (size < 1 || size > 4)
bc805888 2509 abort ();
252b5132 2510
99a814a1
AM		 2511 fixP = fix_new_exp (frag_now,
2512 f - frag_now->fr_literal + offset,
2513 size,
2514 &fixups[i].exp,
2515 reloc_howto->pc_relative,
252b5132
RH		 2516 fixups[i].reloc);
2517
2518 /* Turn off complaints that the addend is too large for things like
2519 foo+100000@ha. */
2520 switch (fixups[i].reloc)
2521 {
2522 case BFD_RELOC_16_GOTOFF:
2523 case BFD_RELOC_PPC_TOC16:
2524 case BFD_RELOC_LO16:
2525 case BFD_RELOC_HI16:
2526 case BFD_RELOC_HI16_S:
0baf16f2 2527#ifdef OBJ_ELF
0baf16f2
AM		 2528 case BFD_RELOC_PPC64_HIGHER:
2529 case BFD_RELOC_PPC64_HIGHER_S:
2530 case BFD_RELOC_PPC64_HIGHEST:
2531 case BFD_RELOC_PPC64_HIGHEST_S:
0baf16f2 2532#endif
252b5132
RH		 2533 fixP->fx_no_overflow = 1;
2534 break;
2535 default:
2536 break;
2537 }
2538 }
2539 else
99a814a1
AM		 2540 fix_new_exp (frag_now,
2541 f - frag_now->fr_literal,
2542 4,
252b5132
RH		 2543 &fixups[i].exp,
2544 (operand->flags & PPC_OPERAND_RELATIVE) != 0,
2545 ((bfd_reloc_code_real_type)
99a814a1 2546 (fixups[i].opindex + (int) BFD_RELOC_UNUSED)));
252b5132
RH		 2547 }
2548}
2549
2550/* Handle a macro. Gather all the operands, transform them as
2551 described by the macro, and call md_assemble recursively. All the
2552 operands are separated by commas; we don't accept parentheses
2553 around operands here. */
2554
2555static void
2556ppc_macro (str, macro)
2557 char *str;
2558 const struct powerpc_macro *macro;
2559{
2560 char *operands[10];
2561 unsigned int count;
2562 char *s;
2563 unsigned int len;
2564 const char *format;
2565 int arg;
2566 char *send;
2567 char *complete;
2568
2569 /* Gather the users operands into the operands array. */
2570 count = 0;
2571 s = str;
2572 while (1)
2573 {
2574 if (count >= sizeof operands / sizeof operands[0])
2575 break;
2576 operands[count++] = s;
2577 s = strchr (s, ',');
2578 if (s == (char *) NULL)
2579 break;
2580 *s++ = '\0';
81d4177b 2581 }
252b5132
RH		 2582
2583 if (count != macro->operands)
2584 {
2585 as_bad (_("wrong number of operands"));
2586 return;
2587 }
2588
2589 /* Work out how large the string must be (the size is unbounded
2590 because it includes user input). */
2591 len = 0;
2592 format = macro->format;
2593 while (*format != '\0')
2594 {
2595 if (*format != '%')
2596 {
2597 ++len;
2598 ++format;
2599 }
2600 else
2601 {
2602 arg = strtol (format + 1, &send, 10);
2603 know (send != format && arg >= 0 && arg < count);
2604 len += strlen (operands[arg]);
2605 format = send;
2606 }
2607 }
2608
2609 /* Put the string together. */
2610 complete = s = (char *) alloca (len + 1);
2611 format = macro->format;
2612 while (*format != '\0')
2613 {
2614 if (*format != '%')
2615 *s++ = *format++;
2616 else
2617 {
2618 arg = strtol (format + 1, &send, 10);
2619 strcpy (s, operands[arg]);
2620 s += strlen (s);
2621 format = send;
2622 }
2623 }
2624 *s = '\0';
2625
2626 /* Assemble the constructed instruction. */
2627 md_assemble (complete);
81d4177b 2628}
252b5132
RH		 2629\f
2630#ifdef OBJ_ELF
99a814a1 2631/* For ELF, add support for SHF_EXCLUDE and SHT_ORDERED. */
252b5132
RH		 2632
2633int
2634ppc_section_letter (letter, ptr_msg)
2635 int letter;
2636 char **ptr_msg;
2637{
2638 if (letter == 'e')
2639 return SHF_EXCLUDE;
2640
13ae64f3 2641 *ptr_msg = _("Bad .section directive: want a,e,w,x,M,S,G,T in string");
252b5132
RH		 2642 return 0;
2643}
2644
2645int
9de8d8f1
RH		 2646ppc_section_word (str, len)
2647 char *str;
2648 size_t len;
252b5132 2649{
9de8d8f1
RH		 2650 if (len == 7 && strncmp (str, "exclude", 7) == 0)
2651 return SHF_EXCLUDE;
252b5132 2652
9de8d8f1 2653 return -1;
252b5132
RH		 2654}
2655
2656int
9de8d8f1
RH		 2657ppc_section_type (str, len)
2658 char *str;
2659 size_t len;
252b5132 2660{
9de8d8f1
RH		 2661 if (len == 7 && strncmp (str, "ordered", 7) == 0)
2662 return SHT_ORDERED;
252b5132 2663
9de8d8f1 2664 return -1;
252b5132
RH		 2665}
2666
2667int
2668ppc_section_flags (flags, attr, type)
2669 int flags;
2670 int attr;
2671 int type;
2672{
2673 if (type == SHT_ORDERED)
2674 flags |= SEC_ALLOC | SEC_LOAD | SEC_SORT_ENTRIES;
2675
2676 if (attr & SHF_EXCLUDE)
2677 flags |= SEC_EXCLUDE;
2678
2679 return flags;
2680}
2681#endif /* OBJ_ELF */
2682
2683\f
2684/* Pseudo-op handling. */
2685
2686/* The .byte pseudo-op. This is similar to the normal .byte
2687 pseudo-op, but it can also take a single ASCII string. */
2688
2689static void
2690ppc_byte (ignore)
92161534 2691 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 2692{
2693 if (*input_line_pointer != '\"')
2694 {
2695 cons (1);
2696 return;
2697 }
2698
2699 /* Gather characters. A real double quote is doubled. Unusual
2700 characters are not permitted. */
2701 ++input_line_pointer;
2702 while (1)
2703 {
2704 char c;
2705
2706 c = *input_line_pointer++;
2707
2708 if (c == '\"')
2709 {
2710 if (*input_line_pointer != '\"')
2711 break;
2712 ++input_line_pointer;
2713 }
2714
2715 FRAG_APPEND_1_CHAR (c);
2716 }
2717
2718 demand_empty_rest_of_line ();
2719}
2720\f
2721#ifdef OBJ_XCOFF
2722
2723/* XCOFF specific pseudo-op handling. */
2724
2725/* This is set if we are creating a .stabx symbol, since we don't want
2726 to handle symbol suffixes for such symbols. */
2727static boolean ppc_stab_symbol;
2728
2729/* The .comm and .lcomm pseudo-ops for XCOFF. XCOFF puts common
2730 symbols in the .bss segment as though they were local common
1ad63b2f
TR		 2731 symbols, and uses a different smclas. The native Aix 4.3.3 assember
2732 aligns .comm and .lcomm to 4 bytes. */
252b5132
RH		 2733
2734static void
2735ppc_comm (lcomm)
2736 int lcomm;
2737{
2738 asection *current_seg = now_seg;
2739 subsegT current_subseg = now_subseg;
2740 char *name;
2741 char endc;
2742 char *end_name;
2743 offsetT size;
2744 offsetT align;
2745 symbolS *lcomm_sym = NULL;
2746 symbolS *sym;
2747 char *pfrag;
2748
2749 name = input_line_pointer;
2750 endc = get_symbol_end ();
2751 end_name = input_line_pointer;
2752 *end_name = endc;
2753
2754 if (*input_line_pointer != ',')
2755 {
2756 as_bad (_("missing size"));
2757 ignore_rest_of_line ();
2758 return;
2759 }
2760 ++input_line_pointer;
2761
2762 size = get_absolute_expression ();
2763 if (size < 0)
2764 {
2765 as_bad (_("negative size"));
2766 ignore_rest_of_line ();
2767 return;
2768 }
2769
2770 if (! lcomm)
2771 {
2772 /* The third argument to .comm is the alignment. */
2773 if (*input_line_pointer != ',')
1ad63b2f 2774 align = 2;
252b5132
RH		 2775 else
2776 {
2777 ++input_line_pointer;
2778 align = get_absolute_expression ();
2779 if (align <= 0)
2780 {
2781 as_warn (_("ignoring bad alignment"));
1ad63b2f 2782 align = 2;
252b5132
RH		 2783 }
2784 }
2785 }
2786 else
2787 {
2788 char *lcomm_name;
2789 char lcomm_endc;
2790
1ad63b2f 2791 if (size <= 4)
252b5132
RH		 2792 align = 2;
2793 else
2794 align = 3;
2795
2796 /* The third argument to .lcomm appears to be the real local
2797 common symbol to create. References to the symbol named in
2798 the first argument are turned into references to the third
2799 argument. */
2800 if (*input_line_pointer != ',')
2801 {
2802 as_bad (_("missing real symbol name"));
2803 ignore_rest_of_line ();
2804 return;
2805 }
2806 ++input_line_pointer;
2807
2808 lcomm_name = input_line_pointer;
2809 lcomm_endc = get_symbol_end ();
81d4177b 2810
252b5132
RH		 2811 lcomm_sym = symbol_find_or_make (lcomm_name);
2812
2813 *input_line_pointer = lcomm_endc;
2814 }
2815
2816 *end_name = '\0';
2817 sym = symbol_find_or_make (name);
2818 *end_name = endc;
2819
2820 if (S_IS_DEFINED (sym)
2821 || S_GET_VALUE (sym) != 0)
2822 {
2823 as_bad (_("attempt to redefine symbol"));
2824 ignore_rest_of_line ();
2825 return;
2826 }
81d4177b 2827
252b5132 2828 record_alignment (bss_section, align);
81d4177b 2829
252b5132
RH		 2830 if (! lcomm
2831 || ! S_IS_DEFINED (lcomm_sym))
2832 {
2833 symbolS *def_sym;
2834 offsetT def_size;
2835
2836 if (! lcomm)
2837 {
2838 def_sym = sym;
2839 def_size = size;
2840 S_SET_EXTERNAL (sym);
2841 }
2842 else
2843 {
809ffe0d 2844 symbol_get_tc (lcomm_sym)->output = 1;
252b5132
RH		 2845 def_sym = lcomm_sym;
2846 def_size = 0;
2847 }
2848
2849 subseg_set (bss_section, 1);
2850 frag_align (align, 0, 0);
81d4177b 2851
809ffe0d 2852 symbol_set_frag (def_sym, frag_now);
252b5132
RH		 2853 pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, def_sym,
2854 def_size, (char *) NULL);
2855 *pfrag = 0;
2856 S_SET_SEGMENT (def_sym, bss_section);
809ffe0d 2857 symbol_get_tc (def_sym)->align = align;
252b5132
RH		 2858 }
2859 else if (lcomm)
2860 {
2861 /* Align the size of lcomm_sym. */
809ffe0d
ILT		 2862 symbol_get_frag (lcomm_sym)->fr_offset =
2863 ((symbol_get_frag (lcomm_sym)->fr_offset + (1 << align) - 1)
252b5132 2864 &~ ((1 << align) - 1));
809ffe0d
ILT		 2865 if (align > symbol_get_tc (lcomm_sym)->align)
2866 symbol_get_tc (lcomm_sym)->align = align;
252b5132
RH		 2867 }
2868
2869 if (lcomm)
2870 {
2871 /* Make sym an offset from lcomm_sym. */
2872 S_SET_SEGMENT (sym, bss_section);
809ffe0d
ILT		 2873 symbol_set_frag (sym, symbol_get_frag (lcomm_sym));
2874 S_SET_VALUE (sym, symbol_get_frag (lcomm_sym)->fr_offset);
2875 symbol_get_frag (lcomm_sym)->fr_offset += size;
252b5132
RH		 2876 }
2877
2878 subseg_set (current_seg, current_subseg);
2879
2880 demand_empty_rest_of_line ();
2881}
2882
2883/* The .csect pseudo-op. This switches us into a different
2884 subsegment. The first argument is a symbol whose value is the
2885 start of the .csect. In COFF, csect symbols get special aux
2886 entries defined by the x_csect field of union internal_auxent. The
2887 optional second argument is the alignment (the default is 2). */
2888
2889static void
2890ppc_csect (ignore)
5480ccf3 2891 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 2892{
2893 char *name;
2894 char endc;
2895 symbolS *sym;
2896
2897 name = input_line_pointer;
2898 endc = get_symbol_end ();
81d4177b 2899
252b5132
RH		 2900 sym = symbol_find_or_make (name);
2901
2902 *input_line_pointer = endc;
2903
2904 if (S_GET_NAME (sym)[0] == '\0')
2905 {
2906 /* An unnamed csect is assumed to be [PR]. */
809ffe0d 2907 symbol_get_tc (sym)->class = XMC_PR;
252b5132
RH		 2908 }
2909
2910 ppc_change_csect (sym);
2911
2912 if (*input_line_pointer == ',')
2913 {
2914 ++input_line_pointer;
809ffe0d 2915 symbol_get_tc (sym)->align = get_absolute_expression ();
252b5132
RH		 2916 }
2917
2918 demand_empty_rest_of_line ();
2919}
2920
2921/* Change to a different csect. */
2922
2923static void
2924ppc_change_csect (sym)
2925 symbolS *sym;
2926{
2927 if (S_IS_DEFINED (sym))
809ffe0d 2928 subseg_set (S_GET_SEGMENT (sym), symbol_get_tc (sym)->subseg);
252b5132
RH		 2929 else
2930 {
2931 symbolS **list_ptr;
2932 int after_toc;
2933 int hold_chunksize;
2934 symbolS *list;
2935
2936 /* This is a new csect. We need to look at the symbol class to
2937 figure out whether it should go in the text section or the
2938 data section. */
2939 after_toc = 0;
809ffe0d 2940 switch (symbol_get_tc (sym)->class)
252b5132
RH		 2941 {
2942 case XMC_PR:
2943 case XMC_RO:
2944 case XMC_DB:
2945 case XMC_GL:
2946 case XMC_XO:
2947 case XMC_SV:
2948 case XMC_TI:
2949 case XMC_TB:
2950 S_SET_SEGMENT (sym, text_section);
809ffe0d 2951 symbol_get_tc (sym)->subseg = ppc_text_subsegment;
252b5132
RH		 2952 ++ppc_text_subsegment;
2953 list_ptr = &ppc_text_csects;
2954 break;
2955 case XMC_RW:
2956 case XMC_TC0:
2957 case XMC_TC:
2958 case XMC_DS:
2959 case XMC_UA:
2960 case XMC_BS:
2961 case XMC_UC:
2962 if (ppc_toc_csect != NULL
809ffe0d
ILT		 2963 && (symbol_get_tc (ppc_toc_csect)->subseg + 1
2964 == ppc_data_subsegment))
252b5132
RH		 2965 after_toc = 1;
2966 S_SET_SEGMENT (sym, data_section);
809ffe0d 2967 symbol_get_tc (sym)->subseg = ppc_data_subsegment;
252b5132
RH		 2968 ++ppc_data_subsegment;
2969 list_ptr = &ppc_data_csects;
2970 break;
2971 default:
2972 abort ();
2973 }
2974
2975 /* We set the obstack chunk size to a small value before
99a814a1
AM		 2976 changing subsegments, so that we don't use a lot of memory
2977 space for what may be a small section. */
252b5132
RH		 2978 hold_chunksize = chunksize;
2979 chunksize = 64;
2980
809ffe0d
ILT		 2981 subseg_new (segment_name (S_GET_SEGMENT (sym)),
2982 symbol_get_tc (sym)->subseg);
252b5132
RH		 2983
2984 chunksize = hold_chunksize;
2985
2986 if (after_toc)
2987 ppc_after_toc_frag = frag_now;
2988
809ffe0d 2989 symbol_set_frag (sym, frag_now);
252b5132
RH		 2990 S_SET_VALUE (sym, (valueT) frag_now_fix ());
2991
b4f96c78 2992 symbol_get_tc (sym)->align = 2;
809ffe0d
ILT		 2993 symbol_get_tc (sym)->output = 1;
2994 symbol_get_tc (sym)->within = sym;
81d4177b 2995
252b5132 2996 for (list = *list_ptr;
809ffe0d
ILT		 2997 symbol_get_tc (list)->next != (symbolS *) NULL;
2998 list = symbol_get_tc (list)->next)
252b5132 2999 ;
809ffe0d 3000 symbol_get_tc (list)->next = sym;
81d4177b 3001
252b5132 3002 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
809ffe0d
ILT		 3003 symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP,
3004 &symbol_lastP);
252b5132
RH		 3005 }
3006
3007 ppc_current_csect = sym;
3008}
3009
3010/* This function handles the .text and .data pseudo-ops. These
3011 pseudo-ops aren't really used by XCOFF; we implement them for the
3012 convenience of people who aren't used to XCOFF. */
3013
3014static void
3015ppc_section (type)
3016 int type;
3017{
3018 const char *name;
3019 symbolS *sym;
3020
3021 if (type == 't')
3022 name = ".text[PR]";
3023 else if (type == 'd')
3024 name = ".data[RW]";
3025 else
3026 abort ();
3027
3028 sym = symbol_find_or_make (name);
3029
3030 ppc_change_csect (sym);
3031
3032 demand_empty_rest_of_line ();
3033}
3034
3035/* This function handles the .section pseudo-op. This is mostly to
3036 give an error, since XCOFF only supports .text, .data and .bss, but
3037 we do permit the user to name the text or data section. */
3038
3039static void
3040ppc_named_section (ignore)
5480ccf3 3041 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3042{
3043 char *user_name;
3044 const char *real_name;
3045 char c;
3046 symbolS *sym;
3047
3048 user_name = input_line_pointer;
3049 c = get_symbol_end ();
3050
3051 if (strcmp (user_name, ".text") == 0)
3052 real_name = ".text[PR]";
3053 else if (strcmp (user_name, ".data") == 0)
3054 real_name = ".data[RW]";
3055 else
3056 {
3057 as_bad (_("The XCOFF file format does not support arbitrary sections"));
3058 *input_line_pointer = c;
3059 ignore_rest_of_line ();
3060 return;
3061 }
3062
3063 *input_line_pointer = c;
3064
3065 sym = symbol_find_or_make (real_name);
3066
3067 ppc_change_csect (sym);
3068
3069 demand_empty_rest_of_line ();
3070}
3071
3072/* The .extern pseudo-op. We create an undefined symbol. */
3073
3074static void
3075ppc_extern (ignore)
5480ccf3 3076 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3077{
3078 char *name;
3079 char endc;
3080
3081 name = input_line_pointer;
3082 endc = get_symbol_end ();
3083
3084 (void) symbol_find_or_make (name);
3085
3086 *input_line_pointer = endc;
3087
3088 demand_empty_rest_of_line ();
3089}
3090
3091/* The .lglobl pseudo-op. Keep the symbol in the symbol table. */
3092
3093static void
3094ppc_lglobl (ignore)
5480ccf3 3095 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3096{
3097 char *name;
3098 char endc;
3099 symbolS *sym;
3100
3101 name = input_line_pointer;
3102 endc = get_symbol_end ();
3103
3104 sym = symbol_find_or_make (name);
3105
3106 *input_line_pointer = endc;
3107
809ffe0d 3108 symbol_get_tc (sym)->output = 1;
252b5132
RH		 3109
3110 demand_empty_rest_of_line ();
3111}
3112
3113/* The .rename pseudo-op. The RS/6000 assembler can rename symbols,
3114 although I don't know why it bothers. */
3115
3116static void
3117ppc_rename (ignore)
5480ccf3 3118 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3119{
3120 char *name;
3121 char endc;
3122 symbolS *sym;
3123 int len;
3124
3125 name = input_line_pointer;
3126 endc = get_symbol_end ();
3127
3128 sym = symbol_find_or_make (name);
3129
3130 *input_line_pointer = endc;
3131
3132 if (*input_line_pointer != ',')
3133 {
3134 as_bad (_("missing rename string"));
3135 ignore_rest_of_line ();
3136 return;
3137 }
3138 ++input_line_pointer;
3139
809ffe0d 3140 symbol_get_tc (sym)->real_name = demand_copy_C_string (&len);
252b5132
RH		 3141
3142 demand_empty_rest_of_line ();
3143}
3144
3145/* The .stabx pseudo-op. This is similar to a normal .stabs
3146 pseudo-op, but slightly different. A sample is
3147 .stabx "main:F-1",.main,142,0
3148 The first argument is the symbol name to create. The second is the
3149 value, and the third is the storage class. The fourth seems to be
3150 always zero, and I am assuming it is the type. */
3151
3152static void
3153ppc_stabx (ignore)
5480ccf3 3154 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3155{
3156 char *name;
3157 int len;
3158 symbolS *sym;
3159 expressionS exp;
3160
3161 name = demand_copy_C_string (&len);
3162
3163 if (*input_line_pointer != ',')
3164 {
3165 as_bad (_("missing value"));
3166 return;
3167 }
3168 ++input_line_pointer;
3169
3170 ppc_stab_symbol = true;
3171 sym = symbol_make (name);
3172 ppc_stab_symbol = false;
3173
809ffe0d 3174 symbol_get_tc (sym)->real_name = name;
252b5132
RH		 3175
3176 (void) expression (&exp);
3177
3178 switch (exp.X_op)
3179 {
3180 case O_illegal:
3181 case O_absent:
3182 case O_big:
3183 as_bad (_("illegal .stabx expression; zero assumed"));
3184 exp.X_add_number = 0;
3185 /* Fall through. */
3186 case O_constant:
3187 S_SET_VALUE (sym, (valueT) exp.X_add_number);
809ffe0d 3188 symbol_set_frag (sym, &zero_address_frag);
252b5132
RH		 3189 break;
3190
3191 case O_symbol:
3192 if (S_GET_SEGMENT (exp.X_add_symbol) == undefined_section)
809ffe0d 3193 symbol_set_value_expression (sym, &exp);
252b5132
RH		 3194 else
3195 {
3196 S_SET_VALUE (sym,
3197 exp.X_add_number + S_GET_VALUE (exp.X_add_symbol));
809ffe0d 3198 symbol_set_frag (sym, symbol_get_frag (exp.X_add_symbol));
252b5132
RH		 3199 }
3200 break;
3201
3202 default:
3203 /* The value is some complex expression. This will probably
99a814a1
AM		 3204 fail at some later point, but this is probably the right
3205 thing to do here. */
809ffe0d 3206 symbol_set_value_expression (sym, &exp);
252b5132
RH		 3207 break;
3208 }
3209
3210 S_SET_SEGMENT (sym, ppc_coff_debug_section);
809ffe0d 3211 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
252b5132
RH		 3212
3213 if (*input_line_pointer != ',')
3214 {
3215 as_bad (_("missing class"));
3216 return;
3217 }
3218 ++input_line_pointer;
3219
3220 S_SET_STORAGE_CLASS (sym, get_absolute_expression ());
3221
3222 if (*input_line_pointer != ',')
3223 {
3224 as_bad (_("missing type"));
3225 return;
3226 }
3227 ++input_line_pointer;
3228
3229 S_SET_DATA_TYPE (sym, get_absolute_expression ());
3230
809ffe0d 3231 symbol_get_tc (sym)->output = 1;
252b5132 3232
6877bb43 3233 if (S_GET_STORAGE_CLASS (sym) == C_STSYM) {
99a814a1 3234
809ffe0d 3235 symbol_get_tc (sym)->within = ppc_current_block;
252b5132 3236
41ea10b1 3237 /* In this case :
99a814a1 3238
41ea10b1
TR		 3239 .bs name
3240 .stabx "z",arrays_,133,0
3241 .es
99a814a1 3242
41ea10b1 3243 .comm arrays_,13768,3
99a814a1 3244
41ea10b1
TR		 3245 resolve_symbol_value will copy the exp's "within" into sym's when the
3246 offset is 0. Since this seems to be corner case problem,
3247 only do the correction for storage class C_STSYM. A better solution
0baf16f2 3248 would be to have the tc field updated in ppc_symbol_new_hook. */
99a814a1
AM		 3249
3250 if (exp.X_op == O_symbol)
41ea10b1
TR		 3251 {
3252 symbol_get_tc (exp.X_add_symbol)->within = ppc_current_block;
3253 }
6877bb43 3254 }
99a814a1 3255
252b5132
RH		 3256 if (exp.X_op != O_symbol
3257 || ! S_IS_EXTERNAL (exp.X_add_symbol)
3258 || S_GET_SEGMENT (exp.X_add_symbol) != bss_section)
3259 ppc_frob_label (sym);
3260 else
3261 {
3262 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
3263 symbol_append (sym, exp.X_add_symbol, &symbol_rootP, &symbol_lastP);
809ffe0d
ILT		 3264 if (symbol_get_tc (ppc_current_csect)->within == exp.X_add_symbol)
3265 symbol_get_tc (ppc_current_csect)->within = sym;
252b5132
RH		 3266 }
3267
3268 demand_empty_rest_of_line ();
3269}
3270
3271/* The .function pseudo-op. This takes several arguments. The first
3272 argument seems to be the external name of the symbol. The second
3273 argment seems to be the label for the start of the function. gcc
3274 uses the same name for both. I have no idea what the third and
3275 fourth arguments are meant to be. The optional fifth argument is
3276 an expression for the size of the function. In COFF this symbol
3277 gets an aux entry like that used for a csect. */
3278
3279static void
3280ppc_function (ignore)
5480ccf3 3281 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3282{
3283 char *name;
3284 char endc;
3285 char *s;
3286 symbolS *ext_sym;
3287 symbolS *lab_sym;
3288
3289 name = input_line_pointer;
3290 endc = get_symbol_end ();
3291
3292 /* Ignore any [PR] suffix. */
3293 name = ppc_canonicalize_symbol_name (name);
3294 s = strchr (name, '[');
3295 if (s != (char *) NULL
3296 && strcmp (s + 1, "PR]") == 0)
3297 *s = '\0';
3298
3299 ext_sym = symbol_find_or_make (name);
3300
3301 *input_line_pointer = endc;
3302
3303 if (*input_line_pointer != ',')
3304 {
3305 as_bad (_("missing symbol name"));
3306 ignore_rest_of_line ();
3307 return;
3308 }
3309 ++input_line_pointer;
3310
3311 name = input_line_pointer;
3312 endc = get_symbol_end ();
3313
3314 lab_sym = symbol_find_or_make (name);
3315
3316 *input_line_pointer = endc;
3317
3318 if (ext_sym != lab_sym)
3319 {
809ffe0d
ILT		 3320 expressionS exp;
3321
3322 exp.X_op = O_symbol;
3323 exp.X_add_symbol = lab_sym;
3324 exp.X_op_symbol = NULL;
3325 exp.X_add_number = 0;
3326 exp.X_unsigned = 0;
3327 symbol_set_value_expression (ext_sym, &exp);
252b5132
RH		 3328 }
3329
809ffe0d
ILT		 3330 if (symbol_get_tc (ext_sym)->class == -1)
3331 symbol_get_tc (ext_sym)->class = XMC_PR;
3332 symbol_get_tc (ext_sym)->output = 1;
252b5132
RH		 3333
3334 if (*input_line_pointer == ',')
3335 {
3336 expressionS ignore;
3337
3338 /* Ignore the third argument. */
3339 ++input_line_pointer;
3340 expression (&ignore);
3341 if (*input_line_pointer == ',')
3342 {
3343 /* Ignore the fourth argument. */
3344 ++input_line_pointer;
3345 expression (&ignore);
3346 if (*input_line_pointer == ',')
3347 {
3348 /* The fifth argument is the function size. */
3349 ++input_line_pointer;
809ffe0d
ILT		 3350 symbol_get_tc (ext_sym)->size = symbol_new ("L0\001",
3351 absolute_section,
3352 (valueT) 0,
3353 &zero_address_frag);
3354 pseudo_set (symbol_get_tc (ext_sym)->size);
252b5132
RH		 3355 }
3356 }
3357 }
3358
3359 S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT);
3360 SF_SET_FUNCTION (ext_sym);
3361 SF_SET_PROCESS (ext_sym);
3362 coff_add_linesym (ext_sym);
3363
3364 demand_empty_rest_of_line ();
3365}
3366
3367/* The .bf pseudo-op. This is just like a COFF C_FCN symbol named
8642cce8
TR		 3368 ".bf". If the pseudo op .bi was seen before .bf, patch the .bi sym
3369 with the correct line number */
5d6255fe 3370
8642cce8 3371static symbolS *saved_bi_sym = 0;
252b5132
RH		 3372
3373static void
3374ppc_bf (ignore)
5480ccf3 3375 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3376{
3377 symbolS *sym;
3378
3379 sym = symbol_make (".bf");
3380 S_SET_SEGMENT (sym, text_section);
809ffe0d 3381 symbol_set_frag (sym, frag_now);
252b5132
RH		 3382 S_SET_VALUE (sym, frag_now_fix ());
3383 S_SET_STORAGE_CLASS (sym, C_FCN);
3384
3385 coff_line_base = get_absolute_expression ();
3386
3387 S_SET_NUMBER_AUXILIARY (sym, 1);
3388 SA_SET_SYM_LNNO (sym, coff_line_base);
3389
8642cce8 3390 /* Line number for bi. */
5d6255fe 3391 if (saved_bi_sym)
8642cce8
TR		 3392 {
3393 S_SET_VALUE (saved_bi_sym, coff_n_line_nos);
3394 saved_bi_sym = 0;
3395 }
5d6255fe 3396
8642cce8 3397
809ffe0d 3398 symbol_get_tc (sym)->output = 1;
252b5132
RH		 3399
3400 ppc_frob_label (sym);
3401
3402 demand_empty_rest_of_line ();
3403}
3404
3405/* The .ef pseudo-op. This is just like a COFF C_FCN symbol named
3406 ".ef", except that the line number is absolute, not relative to the
3407 most recent ".bf" symbol. */
3408
3409static void
3410ppc_ef (ignore)
5480ccf3 3411 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3412{
3413 symbolS *sym;
3414
3415 sym = symbol_make (".ef");
3416 S_SET_SEGMENT (sym, text_section);
809ffe0d 3417 symbol_set_frag (sym, frag_now);
252b5132
RH		 3418 S_SET_VALUE (sym, frag_now_fix ());
3419 S_SET_STORAGE_CLASS (sym, C_FCN);
3420 S_SET_NUMBER_AUXILIARY (sym, 1);
3421 SA_SET_SYM_LNNO (sym, get_absolute_expression ());
809ffe0d 3422 symbol_get_tc (sym)->output = 1;
252b5132
RH		 3423
3424 ppc_frob_label (sym);
3425
3426 demand_empty_rest_of_line ();
3427}
3428
3429/* The .bi and .ei pseudo-ops. These take a string argument and
3430 generates a C_BINCL or C_EINCL symbol, which goes at the start of
8642cce8
TR		 3431 the symbol list. The value of .bi will be know when the next .bf
3432 is encountered. */
252b5132
RH		 3433
3434static void
3435ppc_biei (ei)
3436 int ei;
3437{
3438 static symbolS *last_biei;
3439
3440 char *name;
3441 int len;
3442 symbolS *sym;
3443 symbolS *look;
3444
3445 name = demand_copy_C_string (&len);
3446
3447 /* The value of these symbols is actually file offset. Here we set
3448 the value to the index into the line number entries. In
3449 ppc_frob_symbols we set the fix_line field, which will cause BFD
3450 to do the right thing. */
3451
3452 sym = symbol_make (name);
3453 /* obj-coff.c currently only handles line numbers correctly in the
3454 .text section. */
3455 S_SET_SEGMENT (sym, text_section);
3456 S_SET_VALUE (sym, coff_n_line_nos);
809ffe0d 3457 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
252b5132
RH		 3458
3459 S_SET_STORAGE_CLASS (sym, ei ? C_EINCL : C_BINCL);
809ffe0d 3460 symbol_get_tc (sym)->output = 1;
81d4177b 3461
8642cce8 3462 /* Save bi. */
5d6255fe 3463 if (ei)
8642cce8
TR		 3464 saved_bi_sym = 0;
3465 else
3466 saved_bi_sym = sym;
3467
252b5132
RH		 3468 for (look = last_biei ? last_biei : symbol_rootP;
3469 (look != (symbolS *) NULL
3470 && (S_GET_STORAGE_CLASS (look) == C_FILE
3471 || S_GET_STORAGE_CLASS (look) == C_BINCL
3472 || S_GET_STORAGE_CLASS (look) == C_EINCL));
3473 look = symbol_next (look))
3474 ;
3475 if (look != (symbolS *) NULL)
3476 {
3477 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
3478 symbol_insert (sym, look, &symbol_rootP, &symbol_lastP);
3479 last_biei = sym;
3480 }
3481
3482 demand_empty_rest_of_line ();
3483}
3484
3485/* The .bs pseudo-op. This generates a C_BSTAT symbol named ".bs".
3486 There is one argument, which is a csect symbol. The value of the
3487 .bs symbol is the index of this csect symbol. */
3488
3489static void
3490ppc_bs (ignore)
5480ccf3 3491 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3492{
3493 char *name;
3494 char endc;
3495 symbolS *csect;
3496 symbolS *sym;
3497
3498 if (ppc_current_block != NULL)
3499 as_bad (_("nested .bs blocks"));
3500
3501 name = input_line_pointer;
3502 endc = get_symbol_end ();
3503
3504 csect = symbol_find_or_make (name);
3505
3506 *input_line_pointer = endc;
3507
3508 sym = symbol_make (".bs");
3509 S_SET_SEGMENT (sym, now_seg);
3510 S_SET_STORAGE_CLASS (sym, C_BSTAT);
809ffe0d
ILT		 3511 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
3512 symbol_get_tc (sym)->output = 1;
252b5132 3513
809ffe0d 3514 symbol_get_tc (sym)->within = csect;
252b5132
RH		 3515
3516 ppc_frob_label (sym);
3517
3518 ppc_current_block = sym;
3519
3520 demand_empty_rest_of_line ();
3521}
3522
3523/* The .es pseudo-op. Generate a C_ESTART symbol named .es. */
3524
3525static void
3526ppc_es (ignore)
5480ccf3 3527 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3528{
3529 symbolS *sym;
3530
3531 if (ppc_current_block == NULL)
3532 as_bad (_(".es without preceding .bs"));
3533
3534 sym = symbol_make (".es");
3535 S_SET_SEGMENT (sym, now_seg);
3536 S_SET_STORAGE_CLASS (sym, C_ESTAT);
809ffe0d
ILT		 3537 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
3538 symbol_get_tc (sym)->output = 1;
252b5132
RH		 3539
3540 ppc_frob_label (sym);
3541
3542 ppc_current_block = NULL;
3543
3544 demand_empty_rest_of_line ();
3545}
3546
3547/* The .bb pseudo-op. Generate a C_BLOCK symbol named .bb, with a
3548 line number. */
3549
3550static void
3551ppc_bb (ignore)
5480ccf3 3552 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3553{
3554 symbolS *sym;
3555
3556 sym = symbol_make (".bb");
3557 S_SET_SEGMENT (sym, text_section);
809ffe0d 3558 symbol_set_frag (sym, frag_now);
252b5132
RH		 3559 S_SET_VALUE (sym, frag_now_fix ());
3560 S_SET_STORAGE_CLASS (sym, C_BLOCK);
3561
3562 S_SET_NUMBER_AUXILIARY (sym, 1);
3563 SA_SET_SYM_LNNO (sym, get_absolute_expression ());
3564
809ffe0d 3565 symbol_get_tc (sym)->output = 1;
252b5132
RH		 3566
3567 SF_SET_PROCESS (sym);
3568
3569 ppc_frob_label (sym);
3570
3571 demand_empty_rest_of_line ();
3572}
3573
3574/* The .eb pseudo-op. Generate a C_BLOCK symbol named .eb, with a
3575 line number. */
3576
3577static void
3578ppc_eb (ignore)
5480ccf3 3579 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3580{
3581 symbolS *sym;
3582
3583 sym = symbol_make (".eb");
3584 S_SET_SEGMENT (sym, text_section);
809ffe0d 3585 symbol_set_frag (sym, frag_now);
252b5132
RH		 3586 S_SET_VALUE (sym, frag_now_fix ());
3587 S_SET_STORAGE_CLASS (sym, C_BLOCK);
3588 S_SET_NUMBER_AUXILIARY (sym, 1);
3589 SA_SET_SYM_LNNO (sym, get_absolute_expression ());
809ffe0d 3590 symbol_get_tc (sym)->output = 1;
252b5132
RH		 3591
3592 SF_SET_PROCESS (sym);
3593
3594 ppc_frob_label (sym);
3595
3596 demand_empty_rest_of_line ();
3597}
3598
3599/* The .bc pseudo-op. This just creates a C_BCOMM symbol with a
3600 specified name. */
3601
3602static void
3603ppc_bc (ignore)
5480ccf3 3604 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3605{
3606 char *name;
3607 int len;
3608 symbolS *sym;
3609
3610 name = demand_copy_C_string (&len);
3611 sym = symbol_make (name);
3612 S_SET_SEGMENT (sym, ppc_coff_debug_section);
809ffe0d 3613 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
252b5132
RH		 3614 S_SET_STORAGE_CLASS (sym, C_BCOMM);
3615 S_SET_VALUE (sym, 0);
809ffe0d 3616 symbol_get_tc (sym)->output = 1;
252b5132
RH		 3617
3618 ppc_frob_label (sym);
3619
3620 demand_empty_rest_of_line ();
3621}
3622
3623/* The .ec pseudo-op. This just creates a C_ECOMM symbol. */
3624
3625static void
3626ppc_ec (ignore)
5480ccf3 3627 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3628{
3629 symbolS *sym;
3630
3631 sym = symbol_make (".ec");
3632 S_SET_SEGMENT (sym, ppc_coff_debug_section);
809ffe0d 3633 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
252b5132
RH		 3634 S_SET_STORAGE_CLASS (sym, C_ECOMM);
3635 S_SET_VALUE (sym, 0);
809ffe0d 3636 symbol_get_tc (sym)->output = 1;
252b5132
RH		 3637
3638 ppc_frob_label (sym);
3639
3640 demand_empty_rest_of_line ();
3641}
3642
3643/* The .toc pseudo-op. Switch to the .toc subsegment. */
3644
3645static void
3646ppc_toc (ignore)
5480ccf3 3647 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3648{
3649 if (ppc_toc_csect != (symbolS *) NULL)
809ffe0d 3650 subseg_set (data_section, symbol_get_tc (ppc_toc_csect)->subseg);
252b5132
RH		 3651 else
3652 {
3653 subsegT subseg;
3654 symbolS *sym;
3655 symbolS *list;
81d4177b 3656
252b5132
RH		 3657 subseg = ppc_data_subsegment;
3658 ++ppc_data_subsegment;
3659
3660 subseg_new (segment_name (data_section), subseg);
3661 ppc_toc_frag = frag_now;
3662
3663 sym = symbol_find_or_make ("TOC[TC0]");
809ffe0d 3664 symbol_set_frag (sym, frag_now);
252b5132
RH		 3665 S_SET_SEGMENT (sym, data_section);
3666 S_SET_VALUE (sym, (valueT) frag_now_fix ());
809ffe0d
ILT		 3667 symbol_get_tc (sym)->subseg = subseg;
3668 symbol_get_tc (sym)->output = 1;
3669 symbol_get_tc (sym)->within = sym;
252b5132
RH		 3670
3671 ppc_toc_csect = sym;
81d4177b 3672
252b5132 3673 for (list = ppc_data_csects;
809ffe0d
ILT		 3674 symbol_get_tc (list)->next != (symbolS *) NULL;
3675 list = symbol_get_tc (list)->next)
252b5132 3676 ;
809ffe0d 3677 symbol_get_tc (list)->next = sym;
252b5132
RH		 3678
3679 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
809ffe0d
ILT		 3680 symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP,
3681 &symbol_lastP);
252b5132
RH		 3682 }
3683
3684 ppc_current_csect = ppc_toc_csect;
3685
3686 demand_empty_rest_of_line ();
3687}
3688
3689/* The AIX assembler automatically aligns the operands of a .long or
3690 .short pseudo-op, and we want to be compatible. */
3691
3692static void
3693ppc_xcoff_cons (log_size)
3694 int log_size;
3695{
3696 frag_align (log_size, 0, 0);
3697 record_alignment (now_seg, log_size);
3698 cons (1 << log_size);
3699}
3700
3701static void
3702ppc_vbyte (dummy)
5480ccf3 3703 int dummy ATTRIBUTE_UNUSED;
252b5132
RH		 3704{
3705 expressionS exp;
3706 int byte_count;
3707
3708 (void) expression (&exp);
3709
3710 if (exp.X_op != O_constant)
3711 {
3712 as_bad (_("non-constant byte count"));
3713 return;
3714 }
3715
3716 byte_count = exp.X_add_number;
3717
3718 if (*input_line_pointer != ',')
3719 {
3720 as_bad (_("missing value"));
3721 return;
3722 }
3723
3724 ++input_line_pointer;
3725 cons (byte_count);
3726}
3727
3728#endif /* OBJ_XCOFF */
0baf16f2 3729#if defined (OBJ_XCOFF) || defined (OBJ_ELF)
252b5132
RH		 3730\f
3731/* The .tc pseudo-op. This is used when generating either XCOFF or
3732 ELF. This takes two or more arguments.
3733
3734 When generating XCOFF output, the first argument is the name to
3735 give to this location in the toc; this will be a symbol with class
0baf16f2 3736 TC. The rest of the arguments are N-byte values to actually put at
252b5132 3737 this location in the TOC; often there is just one more argument, a
0baf16f2
AM		 3738 relocateable symbol reference. The size of the value to store
3739 depends on target word size. A 32-bit target uses 4-byte values, a
3740 64-bit target uses 8-byte values.
252b5132
RH		 3741
3742 When not generating XCOFF output, the arguments are the same, but
3743 the first argument is simply ignored. */
3744
3745static void
3746ppc_tc (ignore)
92161534 3747 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3748{
3749#ifdef OBJ_XCOFF
3750
3751 /* Define the TOC symbol name. */
3752 {
3753 char *name;
3754 char endc;
3755 symbolS *sym;
3756
3757 if (ppc_toc_csect == (symbolS *) NULL
3758 || ppc_toc_csect != ppc_current_csect)
3759 {
3760 as_bad (_(".tc not in .toc section"));
3761 ignore_rest_of_line ();
3762 return;
3763 }
3764
3765 name = input_line_pointer;
3766 endc = get_symbol_end ();
3767
3768 sym = symbol_find_or_make (name);
3769
3770 *input_line_pointer = endc;
3771
3772 if (S_IS_DEFINED (sym))
3773 {
3774 symbolS *label;
3775
809ffe0d
ILT		 3776 label = symbol_get_tc (ppc_current_csect)->within;
3777 if (symbol_get_tc (label)->class != XMC_TC0)
252b5132
RH		 3778 {
3779 as_bad (_(".tc with no label"));
3780 ignore_rest_of_line ();
3781 return;
3782 }
3783
3784 S_SET_SEGMENT (label, S_GET_SEGMENT (sym));
809ffe0d 3785 symbol_set_frag (label, symbol_get_frag (sym));
252b5132
RH		 3786 S_SET_VALUE (label, S_GET_VALUE (sym));
3787
3788 while (! is_end_of_line[(unsigned char) *input_line_pointer])
3789 ++input_line_pointer;
3790
3791 return;
3792 }
3793
3794 S_SET_SEGMENT (sym, now_seg);
809ffe0d 3795 symbol_set_frag (sym, frag_now);
252b5132 3796 S_SET_VALUE (sym, (valueT) frag_now_fix ());
809ffe0d
ILT		 3797 symbol_get_tc (sym)->class = XMC_TC;
3798 symbol_get_tc (sym)->output = 1;
252b5132
RH		 3799
3800 ppc_frob_label (sym);
3801 }
3802
0baf16f2
AM		 3803#endif /* OBJ_XCOFF */
3804#ifdef OBJ_ELF
9c7977b3 3805 int align;
252b5132
RH		 3806
3807 /* Skip the TOC symbol name. */
3808 while (is_part_of_name (*input_line_pointer)
3809 || *input_line_pointer == '['
3810 || *input_line_pointer == ']'
3811 || *input_line_pointer == '{'
3812 || *input_line_pointer == '}')
3813 ++input_line_pointer;
3814
0baf16f2 3815 /* Align to a four/eight byte boundary. */
2b3c4602 3816 align = ppc_obj64 ? 3 : 2;
9c7977b3
AM		 3817 frag_align (align, 0, 0);
3818 record_alignment (now_seg, align);
0baf16f2 3819#endif /* OBJ_ELF */
252b5132
RH		 3820
3821 if (*input_line_pointer != ',')
3822 demand_empty_rest_of_line ();
3823 else
3824 {
3825 ++input_line_pointer;
2b3c4602 3826 cons (ppc_obj64 ? 8 : 4);
252b5132
RH		 3827 }
3828}
0baf16f2
AM		 3829
3830/* Pseudo-op .machine. */
15c1449b 3831/* FIXME: `.machine' is a nop for the moment. It would be nice to
2b3c4602 3832 accept this directive on the first line of input and set ppc_obj64
15c1449b
AM		 3833 and the target format accordingly. Unfortunately, the target
3834 format is selected in output-file.c:output_file_create before we
3835 even get to md_begin, so it's not possible without changing
3836 as.c:main. */
0baf16f2
AM		 3837
3838static void
3839ppc_machine (ignore)
3840 int ignore ATTRIBUTE_UNUSED;
3841{
3842 discard_rest_of_line ();
3843}
3844
3845/* See whether a symbol is in the TOC section. */
3846
3847static int
3848ppc_is_toc_sym (sym)
3849 symbolS *sym;
3850{
3851#ifdef OBJ_XCOFF
3852 return symbol_get_tc (sym)->class == XMC_TC;
3853#endif
3854#ifdef OBJ_ELF
3855 const char *sname = segment_name (S_GET_SEGMENT (sym));
2b3c4602 3856 if (ppc_obj64)
0baf16f2
AM		 3857 return strcmp (sname, ".toc") == 0;
3858 else
3859 return strcmp (sname, ".got") == 0;
3860#endif
3861}
3862#endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */
252b5132
RH		 3863\f
3864#ifdef TE_PE
3865
99a814a1 3866/* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */
252b5132
RH		 3867
3868/* Set the current section. */
3869static void
3870ppc_set_current_section (new)
3871 segT new;
3872{
3873 ppc_previous_section = ppc_current_section;
3874 ppc_current_section = new;
3875}
3876
3877/* pseudo-op: .previous
3878 behaviour: toggles the current section with the previous section.
3879 errors: None
99a814a1
AM		 3880 warnings: "No previous section" */
3881
252b5132 3882static void
99a814a1 3883ppc_previous (ignore)
5480ccf3 3884 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3885{
3886 symbolS *tmp;
3887
81d4177b 3888 if (ppc_previous_section == NULL)
252b5132 3889 {
99a814a1 3890 as_warn (_("No previous section to return to. Directive ignored."));
252b5132
RH		 3891 return;
3892 }
3893
99a814a1 3894 subseg_set (ppc_previous_section, 0);
252b5132 3895
99a814a1 3896 ppc_set_current_section (ppc_previous_section);
252b5132
RH		 3897}
3898
3899/* pseudo-op: .pdata
3900 behaviour: predefined read only data section
3901 double word aligned
3902 errors: None
3903 warnings: None
3904 initial: .section .pdata "adr3"
3905 a - don't know -- maybe a misprint
3906 d - initialized data
3907 r - readable
3908 3 - double word aligned (that would be 4 byte boundary)
3909
3910 commentary:
3911 Tag index tables (also known as the function table) for exception
99a814a1 3912 handling, debugging, etc. */
252b5132 3913
252b5132 3914static void
99a814a1 3915ppc_pdata (ignore)
5480ccf3 3916 int ignore ATTRIBUTE_UNUSED;
252b5132 3917{
81d4177b 3918 if (pdata_section == 0)
252b5132
RH		 3919 {
3920 pdata_section = subseg_new (".pdata", 0);
81d4177b 3921
252b5132
RH		 3922 bfd_set_section_flags (stdoutput, pdata_section,
3923 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
3924 | SEC_READONLY | SEC_DATA ));
81d4177b 3925
252b5132
RH		 3926 bfd_set_section_alignment (stdoutput, pdata_section, 2);
3927 }
3928 else
3929 {
99a814a1 3930 pdata_section = subseg_new (".pdata", 0);
252b5132 3931 }
99a814a1 3932 ppc_set_current_section (pdata_section);
252b5132
RH		 3933}
3934
3935/* pseudo-op: .ydata
3936 behaviour: predefined read only data section
3937 double word aligned
3938 errors: None
3939 warnings: None
3940 initial: .section .ydata "drw3"
3941 a - don't know -- maybe a misprint
3942 d - initialized data
3943 r - readable
3944 3 - double word aligned (that would be 4 byte boundary)
3945 commentary:
3946 Tag tables (also known as the scope table) for exception handling,
99a814a1
AM		 3947 debugging, etc. */
3948
252b5132 3949static void
99a814a1 3950ppc_ydata (ignore)
5480ccf3 3951 int ignore ATTRIBUTE_UNUSED;
252b5132 3952{
81d4177b 3953 if (ydata_section == 0)
252b5132
RH		 3954 {
3955 ydata_section = subseg_new (".ydata", 0);
3956 bfd_set_section_flags (stdoutput, ydata_section,
99a814a1
AM		 3957 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
3958 | SEC_READONLY | SEC_DATA ));
252b5132
RH		 3959
3960 bfd_set_section_alignment (stdoutput, ydata_section, 3);
3961 }
3962 else
3963 {
3964 ydata_section = subseg_new (".ydata", 0);
3965 }
99a814a1 3966 ppc_set_current_section (ydata_section);
252b5132
RH		 3967}
3968
3969/* pseudo-op: .reldata
3970 behaviour: predefined read write data section
3971 double word aligned (4-byte)
3972 FIXME: relocation is applied to it
3973 FIXME: what's the difference between this and .data?
3974 errors: None
3975 warnings: None
3976 initial: .section .reldata "drw3"
3977 d - initialized data
3978 r - readable
3979 w - writeable
3980 3 - double word aligned (that would be 8 byte boundary)
3981
3982 commentary:
3983 Like .data, but intended to hold data subject to relocation, such as
99a814a1
AM		 3984 function descriptors, etc. */
3985
252b5132 3986static void
99a814a1 3987ppc_reldata (ignore)
5480ccf3 3988 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 3989{
3990 if (reldata_section == 0)
3991 {
3992 reldata_section = subseg_new (".reldata", 0);
3993
3994 bfd_set_section_flags (stdoutput, reldata_section,
99a814a1
AM		 3995 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
3996 | SEC_DATA));
252b5132
RH		 3997
3998 bfd_set_section_alignment (stdoutput, reldata_section, 2);
3999 }
4000 else
4001 {
4002 reldata_section = subseg_new (".reldata", 0);
4003 }
99a814a1 4004 ppc_set_current_section (reldata_section);
252b5132
RH		 4005}
4006
4007/* pseudo-op: .rdata
4008 behaviour: predefined read only data section
4009 double word aligned
4010 errors: None
4011 warnings: None
4012 initial: .section .rdata "dr3"
4013 d - initialized data
4014 r - readable
99a814a1
AM		 4015 3 - double word aligned (that would be 4 byte boundary) */
4016
252b5132 4017static void
99a814a1 4018ppc_rdata (ignore)
5480ccf3 4019 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 4020{
4021 if (rdata_section == 0)
4022 {
4023 rdata_section = subseg_new (".rdata", 0);
4024 bfd_set_section_flags (stdoutput, rdata_section,
4025 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
4026 | SEC_READONLY | SEC_DATA ));
4027
4028 bfd_set_section_alignment (stdoutput, rdata_section, 2);
4029 }
4030 else
4031 {
4032 rdata_section = subseg_new (".rdata", 0);
4033 }
99a814a1 4034 ppc_set_current_section (rdata_section);
252b5132
RH		 4035}
4036
4037/* pseudo-op: .ualong
81d4177b 4038 behaviour: much like .int, with the exception that no alignment is
252b5132
RH		 4039 performed.
4040 FIXME: test the alignment statement
4041 errors: None
99a814a1
AM		 4042 warnings: None */
4043
252b5132 4044static void
99a814a1 4045ppc_ualong (ignore)
5480ccf3 4046 int ignore ATTRIBUTE_UNUSED;
252b5132 4047{
99a814a1
AM		 4048 /* Try for long. */
4049 cons (4);
252b5132
RH		 4050}
4051
4052/* pseudo-op: .znop <symbol name>
4053 behaviour: Issue a nop instruction
4054 Issue a IMAGE_REL_PPC_IFGLUE relocation against it, using
4055 the supplied symbol name.
4056 errors: None
99a814a1
AM		 4057 warnings: Missing symbol name */
4058
252b5132 4059static void
99a814a1 4060ppc_znop (ignore)
5480ccf3 4061 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 4062{
4063 unsigned long insn;
4064 const struct powerpc_opcode *opcode;
4065 expressionS ex;
4066 char *f;
252b5132 4067 symbolS *sym;
252b5132
RH		 4068 char *symbol_name;
4069 char c;
4070 char *name;
4071 unsigned int exp;
4072 flagword flags;
4073 asection *sec;
4074
99a814a1 4075 /* Strip out the symbol name. */
252b5132
RH		 4076 symbol_name = input_line_pointer;
4077 c = get_symbol_end ();
4078
4079 name = xmalloc (input_line_pointer - symbol_name + 1);
4080 strcpy (name, symbol_name);
4081
4082 sym = symbol_find_or_make (name);
4083
4084 *input_line_pointer = c;
4085
4086 SKIP_WHITESPACE ();
4087
4088 /* Look up the opcode in the hash table. */
4089 opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, "nop");
4090
99a814a1 4091 /* Stick in the nop. */
252b5132
RH		 4092 insn = opcode->opcode;
4093
4094 /* Write out the instruction. */
4095 f = frag_more (4);
4096 md_number_to_chars (f, insn, 4);
4097 fix_new (frag_now,
4098 f - frag_now->fr_literal,
4099 4,
4100 sym,
4101 0,
4102 0,
4103 BFD_RELOC_16_GOT_PCREL);
4104
4105}
4106
81d4177b
KH		 4107/* pseudo-op:
4108 behaviour:
4109 errors:
99a814a1
AM		 4110 warnings: */
4111
252b5132 4112static void
99a814a1 4113ppc_pe_comm (lcomm)
252b5132
RH		 4114 int lcomm;
4115{
4116 register char *name;
4117 register char c;
4118 register char *p;
4119 offsetT temp;
4120 register symbolS *symbolP;
4121 offsetT align;
4122
4123 name = input_line_pointer;
4124 c = get_symbol_end ();
4125
99a814a1 4126 /* just after name is now '\0'. */
252b5132
RH		 4127 p = input_line_pointer;
4128 *p = c;
4129 SKIP_WHITESPACE ();
4130 if (*input_line_pointer != ',')
4131 {
4132 as_bad (_("Expected comma after symbol-name: rest of line ignored."));
4133 ignore_rest_of_line ();
4134 return;
4135 }
4136
4137 input_line_pointer++; /* skip ',' */
4138 if ((temp = get_absolute_expression ()) < 0)
4139 {
4140 as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp);
4141 ignore_rest_of_line ();
4142 return;
4143 }
4144
4145 if (! lcomm)
4146 {
4147 /* The third argument to .comm is the alignment. */
4148 if (*input_line_pointer != ',')
4149 align = 3;
4150 else
4151 {
4152 ++input_line_pointer;
4153 align = get_absolute_expression ();
4154 if (align <= 0)
4155 {
4156 as_warn (_("ignoring bad alignment"));
4157 align = 3;
4158 }
4159 }
4160 }
4161
4162 *p = 0;
4163 symbolP = symbol_find_or_make (name);
4164
4165 *p = c;
4166 if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
4167 {
4168 as_bad (_("Ignoring attempt to re-define symbol `%s'."),
4169 S_GET_NAME (symbolP));
4170 ignore_rest_of_line ();
4171 return;
4172 }
4173
4174 if (S_GET_VALUE (symbolP))
4175 {
4176 if (S_GET_VALUE (symbolP) != (valueT) temp)
4177 as_bad (_("Length of .comm \"%s\" is already %ld. Not changed to %ld."),
4178 S_GET_NAME (symbolP),
4179 (long) S_GET_VALUE (symbolP),
4180 (long) temp);
4181 }
4182 else
4183 {
4184 S_SET_VALUE (symbolP, (valueT) temp);
4185 S_SET_EXTERNAL (symbolP);
4186 }
4187
4188 demand_empty_rest_of_line ();
4189}
4190
4191/*
4192 * implement the .section pseudo op:
4193 * .section name {, "flags"}
4194 * ^ ^
4195 * | +--- optional flags: 'b' for bss
4196 * | 'i' for info
4197 * +-- section name 'l' for lib
4198 * 'n' for noload
4199 * 'o' for over
4200 * 'w' for data
4201 * 'd' (apparently m88k for data)
4202 * 'x' for text
4203 * But if the argument is not a quoted string, treat it as a
4204 * subsegment number.
4205 *
4206 * FIXME: this is a copy of the section processing from obj-coff.c, with
4207 * additions/changes for the moto-pas assembler support. There are three
4208 * categories:
4209 *
81d4177b 4210 * FIXME: I just noticed this. This doesn't work at all really. It it
252b5132
RH		 4211 * setting bits that bfd probably neither understands or uses. The
4212 * correct approach (?) will have to incorporate extra fields attached
4213 * to the section to hold the system specific stuff. (krk)
4214 *
4215 * Section Contents:
4216 * 'a' - unknown - referred to in documentation, but no definition supplied
4217 * 'c' - section has code
4218 * 'd' - section has initialized data
4219 * 'u' - section has uninitialized data
4220 * 'i' - section contains directives (info)
4221 * 'n' - section can be discarded
4222 * 'R' - remove section at link time
4223 *
4224 * Section Protection:
4225 * 'r' - section is readable
4226 * 'w' - section is writeable
4227 * 'x' - section is executable
4228 * 's' - section is sharable
4229 *
4230 * Section Alignment:
4231 * '0' - align to byte boundary
4232 * '1' - align to halfword undary
4233 * '2' - align to word boundary
4234 * '3' - align to doubleword boundary
4235 * '4' - align to quadword boundary
4236 * '5' - align to 32 byte boundary
4237 * '6' - align to 64 byte boundary
4238 *
4239 */
4240
4241void
4242ppc_pe_section (ignore)
5480ccf3 4243 int ignore ATTRIBUTE_UNUSED;
252b5132 4244{
99a814a1 4245 /* Strip out the section name. */
252b5132
RH		 4246 char *section_name;
4247 char c;
4248 char *name;
4249 unsigned int exp;
4250 flagword flags;
4251 segT sec;
4252 int align;
4253
4254 section_name = input_line_pointer;
4255 c = get_symbol_end ();
4256
4257 name = xmalloc (input_line_pointer - section_name + 1);
4258 strcpy (name, section_name);
4259
4260 *input_line_pointer = c;
4261
4262 SKIP_WHITESPACE ();
4263
4264 exp = 0;
4265 flags = SEC_NO_FLAGS;
4266
4267 if (strcmp (name, ".idata$2") == 0)
4268 {
4269 align = 0;
4270 }
4271 else if (strcmp (name, ".idata$3") == 0)
4272 {
4273 align = 0;
4274 }
4275 else if (strcmp (name, ".idata$4") == 0)
4276 {
4277 align = 2;
4278 }
4279 else if (strcmp (name, ".idata$5") == 0)
4280 {
4281 align = 2;
4282 }
4283 else if (strcmp (name, ".idata$6") == 0)
4284 {
4285 align = 1;
4286 }
4287 else
99a814a1
AM		 4288 /* Default alignment to 16 byte boundary. */
4289 align = 4;
252b5132
RH		 4290
4291 if (*input_line_pointer == ',')
4292 {
4293 ++input_line_pointer;
4294 SKIP_WHITESPACE ();
4295 if (*input_line_pointer != '"')
4296 exp = get_absolute_expression ();
4297 else
4298 {
4299 ++input_line_pointer;
4300 while (*input_line_pointer != '"'
4301 && ! is_end_of_line[(unsigned char) *input_line_pointer])
4302 {
4303 switch (*input_line_pointer)
4304 {
4305 /* Section Contents */
4306 case 'a': /* unknown */
4307 as_bad (_("Unsupported section attribute -- 'a'"));
4308 break;
4309 case 'c': /* code section */
81d4177b 4310 flags |= SEC_CODE;
252b5132
RH		 4311 break;
4312 case 'd': /* section has initialized data */
4313 flags |= SEC_DATA;
4314 break;
4315 case 'u': /* section has uninitialized data */
4316 /* FIXME: This is IMAGE_SCN_CNT_UNINITIALIZED_DATA
4317 in winnt.h */
4318 flags |= SEC_ROM;
4319 break;
4320 case 'i': /* section contains directives (info) */
4321 /* FIXME: This is IMAGE_SCN_LNK_INFO
4322 in winnt.h */
4323 flags |= SEC_HAS_CONTENTS;
4324 break;
4325 case 'n': /* section can be discarded */
81d4177b 4326 flags &=~ SEC_LOAD;
252b5132
RH		 4327 break;
4328 case 'R': /* Remove section at link time */
4329 flags |= SEC_NEVER_LOAD;
4330 break;
4331
4332 /* Section Protection */
4333 case 'r': /* section is readable */
4334 flags |= IMAGE_SCN_MEM_READ;
4335 break;
4336 case 'w': /* section is writeable */
4337 flags |= IMAGE_SCN_MEM_WRITE;
4338 break;
4339 case 'x': /* section is executable */
4340 flags |= IMAGE_SCN_MEM_EXECUTE;
4341 break;
4342 case 's': /* section is sharable */
4343 flags |= IMAGE_SCN_MEM_SHARED;
4344 break;
4345
4346 /* Section Alignment */
4347 case '0': /* align to byte boundary */
4348 flags |= IMAGE_SCN_ALIGN_1BYTES;
4349 align = 0;
4350 break;
4351 case '1': /* align to halfword boundary */
4352 flags |= IMAGE_SCN_ALIGN_2BYTES;
4353 align = 1;
4354 break;
4355 case '2': /* align to word boundary */
4356 flags |= IMAGE_SCN_ALIGN_4BYTES;
4357 align = 2;
4358 break;
4359 case '3': /* align to doubleword boundary */
4360 flags |= IMAGE_SCN_ALIGN_8BYTES;
4361 align = 3;
4362 break;
4363 case '4': /* align to quadword boundary */
4364 flags |= IMAGE_SCN_ALIGN_16BYTES;
4365 align = 4;
4366 break;
4367 case '5': /* align to 32 byte boundary */
4368 flags |= IMAGE_SCN_ALIGN_32BYTES;
4369 align = 5;
4370 break;
4371 case '6': /* align to 64 byte boundary */
4372 flags |= IMAGE_SCN_ALIGN_64BYTES;
4373 align = 6;
4374 break;
4375
4376 default:
99a814a1
AM		 4377 as_bad (_("unknown section attribute '%c'"),
4378 *input_line_pointer);
252b5132
RH		 4379 break;
4380 }
4381 ++input_line_pointer;
4382 }
4383 if (*input_line_pointer == '"')
4384 ++input_line_pointer;
4385 }
4386 }
4387
4388 sec = subseg_new (name, (subsegT) exp);
4389
99a814a1 4390 ppc_set_current_section (sec);
252b5132
RH		 4391
4392 if (flags != SEC_NO_FLAGS)
4393 {
4394 if (! bfd_set_section_flags (stdoutput, sec, flags))
4395 as_bad (_("error setting flags for \"%s\": %s"),
4396 bfd_section_name (stdoutput, sec),
4397 bfd_errmsg (bfd_get_error ()));
4398 }
4399
99a814a1 4400 bfd_set_section_alignment (stdoutput, sec, align);
252b5132
RH		 4401
4402}
4403
4404static void
4405ppc_pe_function (ignore)
5480ccf3 4406 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 4407{
4408 char *name;
4409 char endc;
4410 symbolS *ext_sym;
4411
4412 name = input_line_pointer;
4413 endc = get_symbol_end ();
4414
4415 ext_sym = symbol_find_or_make (name);
4416
4417 *input_line_pointer = endc;
4418
4419 S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT);
4420 SF_SET_FUNCTION (ext_sym);
4421 SF_SET_PROCESS (ext_sym);
4422 coff_add_linesym (ext_sym);
4423
4424 demand_empty_rest_of_line ();
4425}
4426
4427static void
4428ppc_pe_tocd (ignore)
5480ccf3 4429 int ignore ATTRIBUTE_UNUSED;
252b5132
RH		 4430{
4431 if (tocdata_section == 0)
4432 {
4433 tocdata_section = subseg_new (".tocd", 0);
99a814a1 4434 /* FIXME: section flags won't work. */
252b5132
RH		 4435 bfd_set_section_flags (stdoutput, tocdata_section,
4436 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
99a814a1 4437 | SEC_READONLY | SEC_DATA));
252b5132
RH		 4438
4439 bfd_set_section_alignment (stdoutput, tocdata_section, 2);
4440 }
4441 else
4442 {
4443 rdata_section = subseg_new (".tocd", 0);
4444 }
4445
99a814a1 4446 ppc_set_current_section (tocdata_section);
252b5132
RH		 4447
4448 demand_empty_rest_of_line ();
4449}
4450
4451/* Don't adjust TOC relocs to use the section symbol. */
4452
4453int
4454ppc_pe_fix_adjustable (fix)
4455 fixS *fix;
4456{
4457 return fix->fx_r_type != BFD_RELOC_PPC_TOC16;
4458}
4459
4460#endif
4461\f
4462#ifdef OBJ_XCOFF
4463
4464/* XCOFF specific symbol and file handling. */
4465
4466/* Canonicalize the symbol name. We use the to force the suffix, if
4467 any, to use square brackets, and to be in upper case. */
4468
4469char *
4470ppc_canonicalize_symbol_name (name)
4471 char *name;
4472{
4473 char *s;
4474
4475 if (ppc_stab_symbol)
4476 return name;
4477
4478 for (s = name; *s != '\0' && *s != '{' && *s != '['; s++)
4479 ;
4480 if (*s != '\0')
4481 {
4482 char brac;
4483
4484 if (*s == '[')
4485 brac = ']';
4486 else
4487 {
4488 *s = '[';
4489 brac = '}';
4490 }
4491
4492 for (s++; *s != '\0' && *s != brac; s++)
3882b010 4493 *s = TOUPPER (*s);
252b5132
RH		 4494
4495 if (*s == '\0' || s[1] != '\0')
4496 as_bad (_("bad symbol suffix"));
4497
4498 *s = ']';
4499 }
4500
4501 return name;
4502}
4503
4504/* Set the class of a symbol based on the suffix, if any. This is
4505 called whenever a new symbol is created. */
4506
4507void
4508ppc_symbol_new_hook (sym)
4509 symbolS *sym;
4510{
809ffe0d 4511 struct ppc_tc_sy *tc;
252b5132
RH		 4512 const char *s;
4513
809ffe0d
ILT		 4514 tc = symbol_get_tc (sym);
4515 tc->next = NULL;
4516 tc->output = 0;
4517 tc->class = -1;
4518 tc->real_name = NULL;
4519 tc->subseg = 0;
4520 tc->align = 0;
4521 tc->size = NULL;
4522 tc->within = NULL;
252b5132
RH		 4523
4524 if (ppc_stab_symbol)
4525 return;
4526
4527 s = strchr (S_GET_NAME (sym), '[');
4528 if (s == (const char *) NULL)
4529 {
4530 /* There is no suffix. */
4531 return;
4532 }
4533
4534 ++s;
4535
4536 switch (s[0])
4537 {
4538 case 'B':
4539 if (strcmp (s, "BS]") == 0)
809ffe0d 4540 tc->class = XMC_BS;
252b5132
RH		 4541 break;
4542 case 'D':
4543 if (strcmp (s, "DB]") == 0)
809ffe0d 4544 tc->class = XMC_DB;
252b5132 4545 else if (strcmp (s, "DS]") == 0)
809ffe0d 4546 tc->class = XMC_DS;
252b5132
RH		 4547 break;
4548 case 'G':
4549 if (strcmp (s, "GL]") == 0)
809ffe0d 4550 tc->class = XMC_GL;
252b5132
RH		 4551 break;
4552 case 'P':
4553 if (strcmp (s, "PR]") == 0)
809ffe0d 4554 tc->class = XMC_PR;
252b5132
RH		 4555 break;
4556 case 'R':
4557 if (strcmp (s, "RO]") == 0)
809ffe0d 4558 tc->class = XMC_RO;
252b5132 4559 else if (strcmp (s, "RW]") == 0)
809ffe0d 4560 tc->class = XMC_RW;
252b5132
RH		 4561 break;
4562 case 'S':
4563 if (strcmp (s, "SV]") == 0)
809ffe0d 4564 tc->class = XMC_SV;
252b5132
RH		 4565 break;
4566 case 'T':
4567 if (strcmp (s, "TC]") == 0)
809ffe0d 4568 tc->class = XMC_TC;
252b5132 4569 else if (strcmp (s, "TI]") == 0)
809ffe0d 4570 tc->class = XMC_TI;
252b5132 4571 else if (strcmp (s, "TB]") == 0)
809ffe0d 4572 tc->class = XMC_TB;
252b5132 4573 else if (strcmp (s, "TC0]") == 0 || strcmp (s, "T0]") == 0)
809ffe0d 4574 tc->class = XMC_TC0;
252b5132
RH		 4575 break;
4576 case 'U':
4577 if (strcmp (s, "UA]") == 0)
809ffe0d 4578 tc->class = XMC_UA;
252b5132 4579 else if (strcmp (s, "UC]") == 0)
809ffe0d 4580 tc->class = XMC_UC;
252b5132
RH		 4581 break;
4582 case 'X':
4583 if (strcmp (s, "XO]") == 0)
809ffe0d 4584 tc->class = XMC_XO;
252b5132
RH		 4585 break;
4586 }
4587
809ffe0d 4588 if (tc->class == -1)
252b5132
RH		 4589 as_bad (_("Unrecognized symbol suffix"));
4590}
4591
4592/* Set the class of a label based on where it is defined. This
4593 handles symbols without suffixes. Also, move the symbol so that it
4594 follows the csect symbol. */
4595
4596void
4597ppc_frob_label (sym)
4598 symbolS *sym;
4599{
4600 if (ppc_current_csect != (symbolS *) NULL)
4601 {
809ffe0d
ILT		 4602 if (symbol_get_tc (sym)->class == -1)
4603 symbol_get_tc (sym)->class = symbol_get_tc (ppc_current_csect)->class;
252b5132
RH		 4604
4605 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
809ffe0d
ILT		 4606 symbol_append (sym, symbol_get_tc (ppc_current_csect)->within,
4607 &symbol_rootP, &symbol_lastP);
4608 symbol_get_tc (ppc_current_csect)->within = sym;
252b5132
RH		 4609 }
4610}
4611
4612/* This variable is set by ppc_frob_symbol if any absolute symbols are
4613 seen. It tells ppc_adjust_symtab whether it needs to look through
4614 the symbols. */
4615
4616static boolean ppc_saw_abs;
4617
4618/* Change the name of a symbol just before writing it out. Set the
4619 real name if the .rename pseudo-op was used. Otherwise, remove any
4620 class suffix. Return 1 if the symbol should not be included in the
4621 symbol table. */
4622
4623int
4624ppc_frob_symbol (sym)
4625 symbolS *sym;
4626{
4627 static symbolS *ppc_last_function;
4628 static symbolS *set_end;
4629
4630 /* Discard symbols that should not be included in the output symbol
4631 table. */
809ffe0d
ILT		 4632 if (! symbol_used_in_reloc_p (sym)
4633 && ((symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0
252b5132 4634 || (! S_IS_EXTERNAL (sym)
809ffe0d 4635 && ! symbol_get_tc (sym)->output
252b5132
RH		 4636 && S_GET_STORAGE_CLASS (sym) != C_FILE)))
4637 return 1;
4638
809ffe0d
ILT		 4639 if (symbol_get_tc (sym)->real_name != (char *) NULL)
4640 S_SET_NAME (sym, symbol_get_tc (sym)->real_name);
252b5132
RH		 4641 else
4642 {
4643 const char *name;
4644 const char *s;
4645
4646 name = S_GET_NAME (sym);
4647 s = strchr (name, '[');
4648 if (s != (char *) NULL)
4649 {
4650 unsigned int len;
4651 char *snew;
4652
4653 len = s - name;
4654 snew = xmalloc (len + 1);
4655 memcpy (snew, name, len);
4656 snew[len] = '\0';
4657
4658 S_SET_NAME (sym, snew);
4659 }
4660 }
4661
4662 if (set_end != (symbolS *) NULL)
4663 {
4664 SA_SET_SYM_ENDNDX (set_end, sym);
4665 set_end = NULL;
4666 }
4667
4668 if (SF_GET_FUNCTION (sym))
4669 {
4670 if (ppc_last_function != (symbolS *) NULL)
4671 as_bad (_("two .function pseudo-ops with no intervening .ef"));
4672 ppc_last_function = sym;
809ffe0d 4673 if (symbol_get_tc (sym)->size != (symbolS *) NULL)
252b5132 4674 {
6386f3a7 4675 resolve_symbol_value (symbol_get_tc (sym)->size);
809ffe0d
ILT		 4676 SA_SET_SYM_FSIZE (sym,
4677 (long) S_GET_VALUE (symbol_get_tc (sym)->size));
252b5132
RH		 4678 }
4679 }
4680 else if (S_GET_STORAGE_CLASS (sym) == C_FCN
4681 && strcmp (S_GET_NAME (sym), ".ef") == 0)
4682 {
4683 if (ppc_last_function == (symbolS *) NULL)
4684 as_bad (_(".ef with no preceding .function"));
4685 else
4686 {
4687 set_end = ppc_last_function;
4688 ppc_last_function = NULL;
4689
4690 /* We don't have a C_EFCN symbol, but we need to force the
4691 COFF backend to believe that it has seen one. */
4692 coff_last_function = NULL;
4693 }
4694 }
4695
4696 if (! S_IS_EXTERNAL (sym)
809ffe0d 4697 && (symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) == 0
252b5132
RH		 4698 && S_GET_STORAGE_CLASS (sym) != C_FILE
4699 && S_GET_STORAGE_CLASS (sym) != C_FCN
4700 && S_GET_STORAGE_CLASS (sym) != C_BLOCK
4701 && S_GET_STORAGE_CLASS (sym) != C_BSTAT
4702 && S_GET_STORAGE_CLASS (sym) != C_ESTAT
4703 && S_GET_STORAGE_CLASS (sym) != C_BINCL
4704 && S_GET_STORAGE_CLASS (sym) != C_EINCL
4705 && S_GET_SEGMENT (sym) != ppc_coff_debug_section)
4706 S_SET_STORAGE_CLASS (sym, C_HIDEXT);
4707
4708 if (S_GET_STORAGE_CLASS (sym) == C_EXT
4709 || S_GET_STORAGE_CLASS (sym) == C_HIDEXT)
4710 {
4711 int i;
4712 union internal_auxent *a;
4713
4714 /* Create a csect aux. */
4715 i = S_GET_NUMBER_AUXILIARY (sym);
4716 S_SET_NUMBER_AUXILIARY (sym, i + 1);
809ffe0d
ILT		 4717 a = &coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].u.auxent;
4718 if (symbol_get_tc (sym)->class == XMC_TC0)
252b5132
RH		 4719 {
4720 /* This is the TOC table. */
4721 know (strcmp (S_GET_NAME (sym), "TOC") == 0);
4722 a->x_csect.x_scnlen.l = 0;
4723 a->x_csect.x_smtyp = (2 << 3) | XTY_SD;
4724 }
809ffe0d 4725 else if (symbol_get_tc (sym)->subseg != 0)
252b5132
RH		 4726 {
4727 /* This is a csect symbol. x_scnlen is the size of the
4728 csect. */
809ffe0d 4729 if (symbol_get_tc (sym)->next == (symbolS *) NULL)
252b5132
RH		 4730 a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput,
4731 S_GET_SEGMENT (sym))
4732 - S_GET_VALUE (sym));
4733 else
4734 {
6386f3a7 4735 resolve_symbol_value (symbol_get_tc (sym)->next);
809ffe0d 4736 a->x_csect.x_scnlen.l = (S_GET_VALUE (symbol_get_tc (sym)->next)
252b5132
RH		 4737 - S_GET_VALUE (sym));
4738 }
809ffe0d 4739 a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_SD;
252b5132
RH		 4740 }
4741 else if (S_GET_SEGMENT (sym) == bss_section)
4742 {
4743 /* This is a common symbol. */
809ffe0d
ILT		 4744 a->x_csect.x_scnlen.l = symbol_get_frag (sym)->fr_offset;
4745 a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_CM;
252b5132 4746 if (S_IS_EXTERNAL (sym))
809ffe0d 4747 symbol_get_tc (sym)->class = XMC_RW;
252b5132 4748 else
809ffe0d 4749 symbol_get_tc (sym)->class = XMC_BS;
252b5132
RH		 4750 }
4751 else if (S_GET_SEGMENT (sym) == absolute_section)
4752 {
4753 /* This is an absolute symbol. The csect will be created by
99a814a1 4754 ppc_adjust_symtab. */
252b5132
RH		 4755 ppc_saw_abs = true;
4756 a->x_csect.x_smtyp = XTY_LD;
809ffe0d
ILT		 4757 if (symbol_get_tc (sym)->class == -1)
4758 symbol_get_tc (sym)->class = XMC_XO;
252b5132
RH		 4759 }
4760 else if (! S_IS_DEFINED (sym))
4761 {
4762 /* This is an external symbol. */
4763 a->x_csect.x_scnlen.l = 0;
4764 a->x_csect.x_smtyp = XTY_ER;
4765 }
809ffe0d 4766 else if (symbol_get_tc (sym)->class == XMC_TC)
252b5132
RH		 4767 {
4768 symbolS *next;
4769
4770 /* This is a TOC definition. x_scnlen is the size of the
4771 TOC entry. */
4772 next = symbol_next (sym);
809ffe0d 4773 while (symbol_get_tc (next)->class == XMC_TC0)
252b5132
RH		 4774 next = symbol_next (next);
4775 if (next == (symbolS *) NULL
809ffe0d 4776 || symbol_get_tc (next)->class != XMC_TC)
252b5132
RH		 4777 {
4778 if (ppc_after_toc_frag == (fragS *) NULL)
4779 a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput,
4780 data_section)
4781 - S_GET_VALUE (sym));
4782 else
4783 a->x_csect.x_scnlen.l = (ppc_after_toc_frag->fr_address
4784 - S_GET_VALUE (sym));
4785 }
4786 else
4787 {
6386f3a7 4788 resolve_symbol_value (next);
252b5132
RH		 4789 a->x_csect.x_scnlen.l = (S_GET_VALUE (next)
4790 - S_GET_VALUE (sym));
4791 }
4792 a->x_csect.x_smtyp = (2 << 3) | XTY_SD;
4793 }
4794 else
4795 {
4796 symbolS *csect;
4797
4798 /* This is a normal symbol definition. x_scnlen is the
4799 symbol index of the containing csect. */
4800 if (S_GET_SEGMENT (sym) == text_section)
4801 csect = ppc_text_csects;
4802 else if (S_GET_SEGMENT (sym) == data_section)
4803 csect = ppc_data_csects;
4804 else
4805 abort ();
4806
4807 /* Skip the initial dummy symbol. */
809ffe0d 4808 csect = symbol_get_tc (csect)->next;
252b5132
RH		 4809
4810 if (csect == (symbolS *) NULL)
4811 {
4812 as_warn (_("warning: symbol %s has no csect"), S_GET_NAME (sym));
4813 a->x_csect.x_scnlen.l = 0;
4814 }
4815 else
4816 {
809ffe0d 4817 while (symbol_get_tc (csect)->next != (symbolS *) NULL)
252b5132 4818 {
6386f3a7 4819 resolve_symbol_value (symbol_get_tc (csect)->next);
809ffe0d
ILT		 4820 if (S_GET_VALUE (symbol_get_tc (csect)->next)
4821 > S_GET_VALUE (sym))
252b5132 4822 break;
809ffe0d 4823 csect = symbol_get_tc (csect)->next;
252b5132
RH		 4824 }
4825
809ffe0d
ILT		 4826 a->x_csect.x_scnlen.p =
4827 coffsymbol (symbol_get_bfdsym (csect))->native;
4828 coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].fix_scnlen =
4829 1;
252b5132
RH		 4830 }
4831 a->x_csect.x_smtyp = XTY_LD;
4832 }
81d4177b 4833
252b5132
RH		 4834 a->x_csect.x_parmhash = 0;
4835 a->x_csect.x_snhash = 0;
809ffe0d 4836 if (symbol_get_tc (sym)->class == -1)
252b5132
RH		 4837 a->x_csect.x_smclas = XMC_PR;
4838 else
809ffe0d 4839 a->x_csect.x_smclas = symbol_get_tc (sym)->class;
252b5132
RH		 4840 a->x_csect.x_stab = 0;
4841 a->x_csect.x_snstab = 0;
4842
4843 /* Don't let the COFF backend resort these symbols. */
809ffe0d 4844 symbol_get_bfdsym (sym)->flags |= BSF_NOT_AT_END;
252b5132
RH		 4845 }
4846 else if (S_GET_STORAGE_CLASS (sym) == C_BSTAT)
4847 {
4848 /* We want the value to be the symbol index of the referenced
4849 csect symbol. BFD will do that for us if we set the right
4850 flags. */
4851 S_SET_VALUE (sym,
809ffe0d
ILT		 4852 ((valueT)
4853 coffsymbol (symbol_get_bfdsym
4854 (symbol_get_tc (sym)->within))->native));
4855 coffsymbol (symbol_get_bfdsym (sym))->native->fix_value = 1;
252b5132
RH		 4856 }
4857 else if (S_GET_STORAGE_CLASS (sym) == C_STSYM)
4858 {
4859 symbolS *block;
4860 symbolS *csect;
4861
4862 /* The value is the offset from the enclosing csect. */
809ffe0d
ILT		 4863 block = symbol_get_tc (sym)->within;
4864 csect = symbol_get_tc (block)->within;
6386f3a7 4865 resolve_symbol_value (csect);
252b5132
RH		 4866 S_SET_VALUE (sym, S_GET_VALUE (sym) - S_GET_VALUE (csect));
4867 }
4868 else if (S_GET_STORAGE_CLASS (sym) == C_BINCL
4869 || S_GET_STORAGE_CLASS (sym) == C_EINCL)
4870 {
4871 /* We want the value to be a file offset into the line numbers.
99a814a1
AM		 4872 BFD will do that for us if we set the right flags. We have
4873 already set the value correctly. */
809ffe0d 4874 coffsymbol (symbol_get_bfdsym (sym))->native->fix_line = 1;
252b5132
RH		 4875 }
4876
4877 return 0;
4878}
4879
4880/* Adjust the symbol table. This creates csect symbols for all
4881 absolute symbols. */
4882
4883void
4884ppc_adjust_symtab ()
4885{
4886 symbolS *sym;
4887
4888 if (! ppc_saw_abs)
4889 return;
4890
4891 for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym))
4892 {
4893 symbolS *csect;
4894 int i;
4895 union internal_auxent *a;
4896
4897 if (S_GET_SEGMENT (sym) != absolute_section)
4898 continue;
4899
4900 csect = symbol_create (".abs[XO]", absolute_section,
4901 S_GET_VALUE (sym), &zero_address_frag);
809ffe0d 4902 symbol_get_bfdsym (csect)->value = S_GET_VALUE (sym);
252b5132
RH		 4903 S_SET_STORAGE_CLASS (csect, C_HIDEXT);
4904 i = S_GET_NUMBER_AUXILIARY (csect);
4905 S_SET_NUMBER_AUXILIARY (csect, i + 1);
809ffe0d 4906 a = &coffsymbol (symbol_get_bfdsym (csect))->native[i + 1].u.auxent;
252b5132
RH		 4907 a->x_csect.x_scnlen.l = 0;
4908 a->x_csect.x_smtyp = XTY_SD;
4909 a->x_csect.x_parmhash = 0;
4910 a->x_csect.x_snhash = 0;
4911 a->x_csect.x_smclas = XMC_XO;
4912 a->x_csect.x_stab = 0;
4913 a->x_csect.x_snstab = 0;
4914
4915 symbol_insert (csect, sym, &symbol_rootP, &symbol_lastP);
4916
4917 i = S_GET_NUMBER_AUXILIARY (sym);
809ffe0d
ILT		 4918 a = &coffsymbol (symbol_get_bfdsym (sym))->native[i].u.auxent;
4919 a->x_csect.x_scnlen.p = coffsymbol (symbol_get_bfdsym (csect))->native;
4920 coffsymbol (symbol_get_bfdsym (sym))->native[i].fix_scnlen = 1;
252b5132
RH		 4921 }
4922
4923 ppc_saw_abs = false;
4924}
4925
4926/* Set the VMA for a section. This is called on all the sections in
4927 turn. */
4928
4929void
4930ppc_frob_section (sec)
4931 asection *sec;
4932{
4933 static bfd_size_type vma = 0;
4934
4935 bfd_set_section_vma (stdoutput, sec, vma);
4936 vma += bfd_section_size (stdoutput, sec);
4937}
4938
4939#endif /* OBJ_XCOFF */
4940\f
4941/* Turn a string in input_line_pointer into a floating point constant
bc0d738a
NC		 4942 of type TYPE, and store the appropriate bytes in *LITP. The number
4943 of LITTLENUMS emitted is stored in *SIZEP. An error message is
252b5132
RH		 4944 returned, or NULL on OK. */
4945
4946char *
4947md_atof (type, litp, sizep)
4948 int type;
4949 char *litp;
4950 int *sizep;
4951{
4952 int prec;
4953 LITTLENUM_TYPE words[4];
4954 char *t;
4955 int i;
4956
4957 switch (type)
4958 {
4959 case 'f':
4960 prec = 2;
4961 break;
4962
4963 case 'd':
4964 prec = 4;
4965 break;
4966
4967 default:
4968 *sizep = 0;
4969 return _("bad call to md_atof");
4970 }
4971
4972 t = atof_ieee (input_line_pointer, type, words);
4973 if (t)
4974 input_line_pointer = t;
4975
4976 *sizep = prec * 2;
4977
4978 if (target_big_endian)
4979 {
4980 for (i = 0; i < prec; i++)
4981 {
4982 md_number_to_chars (litp, (valueT) words[i], 2);
4983 litp += 2;
4984 }
4985 }
4986 else
4987 {
4988 for (i = prec - 1; i >= 0; i--)
4989 {
4990 md_number_to_chars (litp, (valueT) words[i], 2);
4991 litp += 2;
4992 }
4993 }
81d4177b 4994
252b5132
RH		 4995 return NULL;
4996}
4997
4998/* Write a value out to the object file, using the appropriate
4999 endianness. */
5000
5001void
5002md_number_to_chars (buf, val, n)
5003 char *buf;
5004 valueT val;
5005 int n;
5006{
5007 if (target_big_endian)
5008 number_to_chars_bigendian (buf, val, n);
5009 else
5010 number_to_chars_littleendian (buf, val, n);
5011}
5012
5013/* Align a section (I don't know why this is machine dependent). */
5014
5015valueT
5016md_section_align (seg, addr)
5017 asection *seg;
5018 valueT addr;
5019{
5020 int align = bfd_get_section_alignment (stdoutput, seg);
5021
5022 return ((addr + (1 << align) - 1) & (-1 << align));
5023}
5024
5025/* We don't have any form of relaxing. */
5026
5027int
5028md_estimate_size_before_relax (fragp, seg)
92161534
ILT		 5029 fragS *fragp ATTRIBUTE_UNUSED;
5030 asection *seg ATTRIBUTE_UNUSED;
252b5132
RH		 5031{
5032 abort ();
5033 return 0;
5034}
5035
5036/* Convert a machine dependent frag. We never generate these. */
5037
5038void
5039md_convert_frag (abfd, sec, fragp)
92161534
ILT		 5040 bfd *abfd ATTRIBUTE_UNUSED;
5041 asection *sec ATTRIBUTE_UNUSED;
5042 fragS *fragp ATTRIBUTE_UNUSED;
252b5132
RH		 5043{
5044 abort ();
5045}
5046
5047/* We have no need to default values of symbols. */
5048
252b5132
RH		 5049symbolS *
5050md_undefined_symbol (name)
92161534 5051 char *name ATTRIBUTE_UNUSED;
252b5132
RH		 5052{
5053 return 0;
5054}
5055\f
5056/* Functions concerning relocs. */
5057
5058/* The location from which a PC relative jump should be calculated,
5059 given a PC relative reloc. */
5060
5061long
5062md_pcrel_from_section (fixp, sec)
5063 fixS *fixp;
92161534 5064 segT sec ATTRIBUTE_UNUSED;
252b5132
RH		 5065{
5066 return fixp->fx_frag->fr_address + fixp->fx_where;
5067}
5068
5069#ifdef OBJ_XCOFF
5070
5071/* This is called to see whether a fixup should be adjusted to use a
5072 section symbol. We take the opportunity to change a fixup against
5073 a symbol in the TOC subsegment into a reloc against the
5074 corresponding .tc symbol. */
5075
5076int
5077ppc_fix_adjustable (fix)
5078 fixS *fix;
5079{
5080 valueT val;
5081
6386f3a7 5082 resolve_symbol_value (fix->fx_addsy);
252b5132
RH		 5083 val = S_GET_VALUE (fix->fx_addsy);
5084 if (ppc_toc_csect != (symbolS *) NULL
5085 && fix->fx_addsy != (symbolS *) NULL
5086 && fix->fx_addsy != ppc_toc_csect
5087 && S_GET_SEGMENT (fix->fx_addsy) == data_section
5088 && val >= ppc_toc_frag->fr_address
5089 && (ppc_after_toc_frag == (fragS *) NULL
5090 || val < ppc_after_toc_frag->fr_address))
5091 {
5092 symbolS *sy;
5093
5094 for (sy = symbol_next (ppc_toc_csect);
5095 sy != (symbolS *) NULL;
5096 sy = symbol_next (sy))
5097 {
809ffe0d 5098 if (symbol_get_tc (sy)->class == XMC_TC0)
252b5132 5099 continue;
809ffe0d 5100 if (symbol_get_tc (sy)->class != XMC_TC)
252b5132 5101 break;
6386f3a7 5102 resolve_symbol_value (sy);
252b5132
RH		 5103 if (val == S_GET_VALUE (sy))
5104 {
5105 fix->fx_addsy = sy;
5106 fix->fx_addnumber = val - ppc_toc_frag->fr_address;
5107 return 0;
5108 }
5109 }
5110
5111 as_bad_where (fix->fx_file, fix->fx_line,
5112 _("symbol in .toc does not match any .tc"));
5113 }
5114
5115 /* Possibly adjust the reloc to be against the csect. */
5116 if (fix->fx_addsy != (symbolS *) NULL
809ffe0d
ILT		 5117 && symbol_get_tc (fix->fx_addsy)->subseg == 0
5118 && symbol_get_tc (fix->fx_addsy)->class != XMC_TC0
5119 && symbol_get_tc (fix->fx_addsy)->class != XMC_TC
252b5132
RH		 5120 && S_GET_SEGMENT (fix->fx_addsy) != bss_section
5121 /* Don't adjust if this is a reloc in the toc section. */
5122 && (S_GET_SEGMENT (fix->fx_addsy) != data_section
5123 || ppc_toc_csect == NULL
5124 || val < ppc_toc_frag->fr_address
5125 || (ppc_after_toc_frag != NULL
5126 && val >= ppc_after_toc_frag->fr_address)))
5127 {
5128 symbolS *csect;
5129
5130 if (S_GET_SEGMENT (fix->fx_addsy) == text_section)
5131 csect = ppc_text_csects;
5132 else if (S_GET_SEGMENT (fix->fx_addsy) == data_section)
5133 csect = ppc_data_csects;
5134 else
5135 abort ();
5136
5137 /* Skip the initial dummy symbol. */
809ffe0d 5138 csect = symbol_get_tc (csect)->next;
252b5132
RH		 5139
5140 if (csect != (symbolS *) NULL)
5141 {
809ffe0d
ILT		 5142 while (symbol_get_tc (csect)->next != (symbolS *) NULL
5143 && (symbol_get_frag (symbol_get_tc (csect)->next)->fr_address
2c1c4c62 5144 <= val))
252b5132
RH		 5145 {
5146 /* If the csect address equals the symbol value, then we
99a814a1
AM		 5147 have to look through the full symbol table to see
5148 whether this is the csect we want. Note that we will
5149 only get here if the csect has zero length. */
2c1c4c62 5150 if ((symbol_get_frag (csect)->fr_address == val)
252b5132
RH		 5151 && S_GET_VALUE (csect) == S_GET_VALUE (fix->fx_addsy))
5152 {
5153 symbolS *scan;
5154
809ffe0d 5155 for (scan = symbol_next (csect);
252b5132 5156 scan != NULL;
809ffe0d 5157 scan = symbol_next (scan))
252b5132 5158 {
809ffe0d 5159 if (symbol_get_tc (scan)->subseg != 0)
252b5132
RH		 5160 break;
5161 if (scan == fix->fx_addsy)
5162 break;
5163 }
5164
5165 /* If we found the symbol before the next csect
99a814a1 5166 symbol, then this is the csect we want. */
252b5132
RH		 5167 if (scan == fix->fx_addsy)
5168 break;
5169 }
5170
809ffe0d 5171 csect = symbol_get_tc (csect)->next;
252b5132
RH		 5172 }
5173
5174 fix->fx_offset += (S_GET_VALUE (fix->fx_addsy)
809ffe0d 5175 - symbol_get_frag (csect)->fr_address);
252b5132
RH		 5176 fix->fx_addsy = csect;
5177 }
5178 }
5179
5180 /* Adjust a reloc against a .lcomm symbol to be against the base
5181 .lcomm. */
5182 if (fix->fx_addsy != (symbolS *) NULL
5183 && S_GET_SEGMENT (fix->fx_addsy) == bss_section
5184 && ! S_IS_EXTERNAL (fix->fx_addsy))
5185 {
6386f3a7 5186 resolve_symbol_value (symbol_get_frag (fix->fx_addsy)->fr_symbol);
809ffe0d
ILT		 5187 fix->fx_offset +=
5188 (S_GET_VALUE (fix->fx_addsy)
5189 - S_GET_VALUE (symbol_get_frag (fix->fx_addsy)->fr_symbol));
5190 fix->fx_addsy = symbol_get_frag (fix->fx_addsy)->fr_symbol;
252b5132
RH		 5191 }
5192
5193 return 0;
5194}
5195
5196/* A reloc from one csect to another must be kept. The assembler
5197 will, of course, keep relocs between sections, and it will keep
5198 absolute relocs, but we need to force it to keep PC relative relocs
5199 between two csects in the same section. */
5200
5201int
5202ppc_force_relocation (fix)
5203 fixS *fix;
5204{
5205 /* At this point fix->fx_addsy should already have been converted to
5206 a csect symbol. If the csect does not include the fragment, then
5207 we need to force the relocation. */
5208 if (fix->fx_pcrel
5209 && fix->fx_addsy != NULL
809ffe0d
ILT		 5210 && symbol_get_tc (fix->fx_addsy)->subseg != 0
5211 && ((symbol_get_frag (fix->fx_addsy)->fr_address
5212 > fix->fx_frag->fr_address)
5213 || (symbol_get_tc (fix->fx_addsy)->next != NULL
5214 && (symbol_get_frag (symbol_get_tc (fix->fx_addsy)->next)->fr_address
252b5132
RH		 5215 <= fix->fx_frag->fr_address))))
5216 return 1;
5217
5218 return 0;
5219}
5220
5221#endif /* OBJ_XCOFF */
5222
0baf16f2
AM		 5223#ifdef OBJ_ELF
5224int
5225ppc_fix_adjustable (fix)
5226 fixS *fix;
252b5132 5227{
0baf16f2
AM		 5228 return (fix->fx_r_type != BFD_RELOC_16_GOTOFF
5229 && fix->fx_r_type != BFD_RELOC_LO16_GOTOFF
5230 && fix->fx_r_type != BFD_RELOC_HI16_GOTOFF
5231 && fix->fx_r_type != BFD_RELOC_HI16_S_GOTOFF
5232 && fix->fx_r_type != BFD_RELOC_GPREL16
5233 && fix->fx_r_type != BFD_RELOC_VTABLE_INHERIT
5234 && fix->fx_r_type != BFD_RELOC_VTABLE_ENTRY
5235 && ! S_IS_EXTERNAL (fix->fx_addsy)
5236 && ! S_IS_WEAK (fix->fx_addsy)
5237 && (fix->fx_pcrel
5238 || (fix->fx_subsy != NULL
5239 && (S_GET_SEGMENT (fix->fx_subsy)
5240 == S_GET_SEGMENT (fix->fx_addsy)))
5241 || S_IS_LOCAL (fix->fx_addsy)));
252b5132 5242}
0baf16f2 5243#endif
252b5132
RH		 5244
5245/* Apply a fixup to the object code. This is called for all the
5246 fixups we generated by the call to fix_new_exp, above. In the call
5247 above we used a reloc code which was the largest legal reloc code
5248 plus the operand index. Here we undo that to recover the operand
5249 index. At this point all symbol values should be fully resolved,
5250 and we attempt to completely resolve the reloc. If we can not do
5251 that, we determine the correct reloc code and put it back in the
5252 fixup. */
5253
94f592af
NC		 5254void
5255md_apply_fix3 (fixP, valP, seg)
5256 fixS *fixP;
5257 valueT * valP;
0baf16f2 5258 segT seg ATTRIBUTE_UNUSED;
252b5132 5259{
94f592af 5260 valueT value = * valP;
252b5132
RH		 5261
5262#ifdef OBJ_ELF
94f592af 5263 if (fixP->fx_addsy != NULL)
252b5132
RH		 5264 {
5265 /* `*valuep' may contain the value of the symbol on which the reloc
5266 will be based; we have to remove it. */
94f592af
NC		 5267 if (symbol_used_in_reloc_p (fixP->fx_addsy)
5268 && S_GET_SEGMENT (fixP->fx_addsy) != absolute_section
5269 && S_GET_SEGMENT (fixP->fx_addsy) != undefined_section
5270 && ! bfd_is_com_section (S_GET_SEGMENT (fixP->fx_addsy)))
5271 value -= S_GET_VALUE (fixP->fx_addsy);
252b5132
RH		 5272
5273 /* FIXME: Why '+'? Better yet, what exactly is '*valuep'
5274 supposed to be? I think this is related to various similar
5275 FIXMEs in tc-i386.c and tc-sparc.c. */
94f592af
NC		 5276 if (fixP->fx_pcrel)
5277 value += fixP->fx_frag->fr_address + fixP->fx_where;
252b5132
RH		 5278 }
5279 else
94f592af 5280 fixP->fx_done = 1;
252b5132
RH		 5281#else
5282 /* FIXME FIXME FIXME: The value we are passed in *valuep includes
5283 the symbol values. Since we are using BFD_ASSEMBLER, if we are
5284 doing this relocation the code in write.c is going to call
5285 bfd_install_relocation, which is also going to use the symbol
5286 value. That means that if the reloc is fully resolved we want to
5287 use *valuep since bfd_install_relocation is not being used.
5288 However, if the reloc is not fully resolved we do not want to use
5289 *valuep, and must use fx_offset instead. However, if the reloc
5290 is PC relative, we do want to use *valuep since it includes the
5291 result of md_pcrel_from. This is confusing. */
94f592af
NC		 5292 if (fixP->fx_addsy == (symbolS *) NULL)
5293 fixP->fx_done = 1;
5294
5295 else if (fixP->fx_pcrel)
5296 ;
5297
252b5132
RH		 5298 else
5299 {
94f592af
NC		 5300 value = fixP->fx_offset;
5301 if (fixP->fx_subsy != (symbolS *) NULL)
252b5132 5302 {
94f592af
NC		 5303 if (S_GET_SEGMENT (fixP->fx_subsy) == absolute_section)
5304 value -= S_GET_VALUE (fixP->fx_subsy);
252b5132
RH		 5305 else
5306 {
5307 /* We can't actually support subtracting a symbol. */
94f592af 5308 as_bad_where (fixP->fx_file, fixP->fx_line,
252b5132
RH		 5309 _("expression too complex"));
5310 }
5311 }
5312 }
5313#endif
5314
94f592af 5315 if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED)
252b5132
RH		 5316 {
5317 int opindex;
5318 const struct powerpc_operand *operand;
5319 char *where;
5320 unsigned long insn;
5321
94f592af 5322 opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED;
252b5132
RH		 5323
5324 operand = &powerpc_operands[opindex];
5325
5326#ifdef OBJ_XCOFF
0baf16f2
AM		 5327 /* An instruction like `lwz 9,sym(30)' when `sym' is not a TOC symbol
5328 does not generate a reloc. It uses the offset of `sym' within its
5329 csect. Other usages, such as `.long sym', generate relocs. This
5330 is the documented behaviour of non-TOC symbols. */
252b5132
RH		 5331 if ((operand->flags & PPC_OPERAND_PARENS) != 0
5332 && operand->bits == 16
5333 && operand->shift == 0
2b3c4602 5334 && (operand->insert == NULL || ppc_obj64)
94f592af
NC		 5335 && fixP->fx_addsy != NULL
5336 && symbol_get_tc (fixP->fx_addsy)->subseg != 0
5337 && symbol_get_tc (fixP->fx_addsy)->class != XMC_TC
5338 && symbol_get_tc (fixP->fx_addsy)->class != XMC_TC0
5339 && S_GET_SEGMENT (fixP->fx_addsy) != bss_section)
252b5132 5340 {
94f592af
NC		 5341 value = fixP->fx_offset;
5342 fixP->fx_done = 1;
252b5132
RH		 5343 }
5344#endif
5345
5346 /* Fetch the instruction, insert the fully resolved operand
5347 value, and stuff the instruction back again. */
94f592af 5348 where = fixP->fx_frag->fr_literal + fixP->fx_where;
252b5132
RH		 5349 if (target_big_endian)
5350 insn = bfd_getb32 ((unsigned char *) where);
5351 else
5352 insn = bfd_getl32 ((unsigned char *) where);
5353 insn = ppc_insert_operand (insn, operand, (offsetT) value,
94f592af 5354 fixP->fx_file, fixP->fx_line);
252b5132
RH		 5355 if (target_big_endian)
5356 bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
5357 else
5358 bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
5359
94f592af
NC		 5360 if (fixP->fx_done)
5361 /* Nothing else to do here. */
5362 return;
252b5132 5363
94f592af 5364 assert (fixP->fx_addsy != NULL);
0baf16f2 5365
252b5132
RH		 5366 /* Determine a BFD reloc value based on the operand information.
5367 We are only prepared to turn a few of the operands into
0baf16f2 5368 relocs. */
11b37b7b
AM		 5369 if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
5370 && operand->bits == 26
5371 && operand->shift == 0)
94f592af 5372 fixP->fx_r_type = BFD_RELOC_PPC_B26;
11b37b7b
AM		 5373 else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
5374 && operand->bits == 16
5375 && operand->shift == 0)
95210096
AM		 5376 {
5377 fixP->fx_r_type = BFD_RELOC_PPC_B16;
5378#ifdef OBJ_XCOFF
5379 fixP->fx_size = 2;
5380 if (target_big_endian)
5381 fixP->fx_where += 2;
5382#endif
5383 }
11b37b7b
AM		 5384 else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
5385 && operand->bits == 26
5386 && operand->shift == 0)
94f592af 5387 fixP->fx_r_type = BFD_RELOC_PPC_BA26;
11b37b7b
AM		 5388 else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
5389 && operand->bits == 16
5390 && operand->shift == 0)
95210096
AM		 5391 {
5392 fixP->fx_r_type = BFD_RELOC_PPC_BA16;
5393#ifdef OBJ_XCOFF
5394 fixP->fx_size = 2;
5395 if (target_big_endian)
5396 fixP->fx_where += 2;
5397#endif
5398 }
0baf16f2 5399#if defined (OBJ_XCOFF) || defined (OBJ_ELF)
11b37b7b
AM		 5400 else if ((operand->flags & PPC_OPERAND_PARENS) != 0
5401 && operand->bits == 16
5402 && operand->shift == 0
94f592af 5403 && ppc_is_toc_sym (fixP->fx_addsy))
11b37b7b 5404 {
94f592af 5405 fixP->fx_r_type = BFD_RELOC_PPC_TOC16;
0baf16f2 5406#ifdef OBJ_ELF
2b3c4602 5407 if (ppc_obj64
0baf16f2 5408 && (operand->flags & PPC_OPERAND_DS) != 0)
94f592af 5409 fixP->fx_r_type = BFD_RELOC_PPC64_TOC16_DS;
0baf16f2 5410#endif
94f592af 5411 fixP->fx_size = 2;
11b37b7b 5412 if (target_big_endian)
94f592af 5413 fixP->fx_where += 2;
11b37b7b 5414 }
0baf16f2 5415#endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */
11b37b7b 5416 else
252b5132
RH		 5417 {
5418 char *sfile;
5419 unsigned int sline;
5420
5421 /* Use expr_symbol_where to see if this is an expression
0baf16f2 5422 symbol. */
94f592af
NC		 5423 if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline))
5424 as_bad_where (fixP->fx_file, fixP->fx_line,
252b5132
RH		 5425 _("unresolved expression that must be resolved"));
5426 else
94f592af 5427 as_bad_where (fixP->fx_file, fixP->fx_line,
0baf16f2 5428 _("unsupported relocation against %s"),
94f592af
NC		 5429 S_GET_NAME (fixP->fx_addsy));
5430 fixP->fx_done = 1;
5431 return;
252b5132
RH		 5432 }
5433 }
5434 else
5435 {
5436#ifdef OBJ_ELF
94f592af 5437 ppc_elf_validate_fix (fixP, seg);
252b5132 5438#endif
94f592af 5439 switch (fixP->fx_r_type)
252b5132 5440 {
252b5132 5441 case BFD_RELOC_CTOR:
2b3c4602 5442 if (ppc_obj64)
9c7977b3
AM		 5443 goto ctor64;
5444 /* fall through */
5445
0baf16f2 5446 case BFD_RELOC_32:
94f592af
NC		 5447 if (fixP->fx_pcrel)
5448 fixP->fx_r_type = BFD_RELOC_32_PCREL;
99a814a1 5449 /* fall through */
252b5132
RH		 5450
5451 case BFD_RELOC_RVA:
5452 case BFD_RELOC_32_PCREL:
252b5132 5453 case BFD_RELOC_PPC_EMB_NADDR32:
94f592af 5454 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
252b5132
RH		 5455 value, 4);
5456 break;
5457
7f6d05e8 5458 case BFD_RELOC_64:
9c7977b3 5459 ctor64:
94f592af
NC		 5460 if (fixP->fx_pcrel)
5461 fixP->fx_r_type = BFD_RELOC_64_PCREL;
99a814a1 5462 /* fall through */
0baf16f2 5463
7f6d05e8 5464 case BFD_RELOC_64_PCREL:
94f592af 5465 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
7f6d05e8 5466 value, 8);
81d4177b 5467 break;
0baf16f2 5468
252b5132
RH		 5469 case BFD_RELOC_LO16:
5470 case BFD_RELOC_16:
5471 case BFD_RELOC_GPREL16:
5472 case BFD_RELOC_16_GOT_PCREL:
5473 case BFD_RELOC_16_GOTOFF:
5474 case BFD_RELOC_LO16_GOTOFF:
5475 case BFD_RELOC_HI16_GOTOFF:
5476 case BFD_RELOC_HI16_S_GOTOFF:
1cfc59d5 5477 case BFD_RELOC_16_BASEREL:
252b5132
RH		 5478 case BFD_RELOC_LO16_BASEREL:
5479 case BFD_RELOC_HI16_BASEREL:
5480 case BFD_RELOC_HI16_S_BASEREL:
5481 case BFD_RELOC_PPC_EMB_NADDR16:
5482 case BFD_RELOC_PPC_EMB_NADDR16_LO:
5483 case BFD_RELOC_PPC_EMB_NADDR16_HI:
5484 case BFD_RELOC_PPC_EMB_NADDR16_HA:
5485 case BFD_RELOC_PPC_EMB_SDAI16:
5486 case BFD_RELOC_PPC_EMB_SDA2REL:
5487 case BFD_RELOC_PPC_EMB_SDA2I16:
5488 case BFD_RELOC_PPC_EMB_RELSEC16:
5489 case BFD_RELOC_PPC_EMB_RELST_LO:
5490 case BFD_RELOC_PPC_EMB_RELST_HI:
5491 case BFD_RELOC_PPC_EMB_RELST_HA:
5492 case BFD_RELOC_PPC_EMB_RELSDA:
5493 case BFD_RELOC_PPC_TOC16:
0baf16f2 5494#ifdef OBJ_ELF
0baf16f2
AM		 5495 case BFD_RELOC_PPC64_TOC16_LO:
5496 case BFD_RELOC_PPC64_TOC16_HI:
5497 case BFD_RELOC_PPC64_TOC16_HA:
0baf16f2 5498#endif
94f592af 5499 if (fixP->fx_pcrel)
252b5132 5500 {
94f592af
NC		 5501 if (fixP->fx_addsy != NULL)
5502 as_bad_where (fixP->fx_file, fixP->fx_line,
252b5132 5503 _("cannot emit PC relative %s relocation against %s"),
94f592af
NC		 5504 bfd_get_reloc_code_name (fixP->fx_r_type),
5505 S_GET_NAME (fixP->fx_addsy));
252b5132 5506 else
94f592af 5507 as_bad_where (fixP->fx_file, fixP->fx_line,
252b5132 5508 _("cannot emit PC relative %s relocation"),
94f592af 5509 bfd_get_reloc_code_name (fixP->fx_r_type));
252b5132
RH		 5510 }
5511
94f592af 5512 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
252b5132
RH		 5513 value, 2);
5514 break;
5515
5516 /* This case happens when you write, for example,
5517 lis %r3,(L1-L2)@ha
5518 where L1 and L2 are defined later. */
5519 case BFD_RELOC_HI16:
94f592af 5520 if (fixP->fx_pcrel)
252b5132 5521 abort ();
94f592af 5522 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
0baf16f2 5523 PPC_HI (value), 2);
252b5132 5524 break;
0baf16f2 5525
252b5132 5526 case BFD_RELOC_HI16_S:
94f592af 5527 if (fixP->fx_pcrel)
252b5132 5528 abort ();
94f592af 5529 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
0baf16f2
AM		 5530 PPC_HA (value), 2);
5531 break;
5532
5533#ifdef OBJ_ELF
0baf16f2 5534 case BFD_RELOC_PPC64_HIGHER:
94f592af 5535 if (fixP->fx_pcrel)
0baf16f2 5536 abort ();
94f592af 5537 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
0baf16f2 5538 PPC_HIGHER (value), 2);
252b5132
RH		 5539 break;
5540
0baf16f2 5541 case BFD_RELOC_PPC64_HIGHER_S:
94f592af 5542 if (fixP->fx_pcrel)
0baf16f2 5543 abort ();
94f592af 5544 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
0baf16f2
AM		 5545 PPC_HIGHERA (value), 2);
5546 break;
5547
5548 case BFD_RELOC_PPC64_HIGHEST:
94f592af 5549 if (fixP->fx_pcrel)
0baf16f2 5550 abort ();
94f592af 5551 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
0baf16f2
AM		 5552 PPC_HIGHEST (value), 2);
5553 break;
5554
5555 case BFD_RELOC_PPC64_HIGHEST_S:
94f592af 5556 if (fixP->fx_pcrel)
0baf16f2 5557 abort ();
94f592af 5558 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
0baf16f2
AM		 5559 PPC_HIGHESTA (value), 2);
5560 break;
5561
5562 case BFD_RELOC_PPC64_ADDR16_DS:
5563 case BFD_RELOC_PPC64_ADDR16_LO_DS:
5564 case BFD_RELOC_PPC64_GOT16_DS:
5565 case BFD_RELOC_PPC64_GOT16_LO_DS:
5566 case BFD_RELOC_PPC64_PLT16_LO_DS:
5567 case BFD_RELOC_PPC64_SECTOFF_DS:
5568 case BFD_RELOC_PPC64_SECTOFF_LO_DS:
5569 case BFD_RELOC_PPC64_TOC16_DS:
5570 case BFD_RELOC_PPC64_TOC16_LO_DS:
5571 case BFD_RELOC_PPC64_PLTGOT16_DS:
5572 case BFD_RELOC_PPC64_PLTGOT16_LO_DS:
94f592af 5573 if (fixP->fx_pcrel)
0baf16f2
AM		 5574 abort ();
5575 {
94f592af 5576 unsigned char *where = fixP->fx_frag->fr_literal + fixP->fx_where;
0baf16f2
AM		 5577 unsigned long val;
5578
5579 if (target_big_endian)
5580 val = bfd_getb16 (where);
5581 else
5582 val = bfd_getl16 (where);
5583 val |= (value & 0xfffc);
5584 if (target_big_endian)
5585 bfd_putb16 ((bfd_vma) val, where);
5586 else
5587 bfd_putl16 ((bfd_vma) val, where);
5588 }
5589 break;
0baf16f2 5590#endif
252b5132 5591 /* Because SDA21 modifies the register field, the size is set to 4
99a814a1 5592 bytes, rather than 2, so offset it here appropriately. */
252b5132 5593 case BFD_RELOC_PPC_EMB_SDA21:
94f592af 5594 if (fixP->fx_pcrel)
252b5132
RH		 5595 abort ();
5596
94f592af 5597 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where
252b5132
RH		 5598 + ((target_big_endian) ? 2 : 0),
5599 value, 2);
5600 break;
5601
5602 case BFD_RELOC_8:
94f592af 5603 if (fixP->fx_pcrel)
252b5132
RH		 5604 abort ();
5605
94f592af 5606 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
252b5132
RH		 5607 value, 1);
5608 break;
5609
5610 case BFD_RELOC_24_PLT_PCREL:
5611 case BFD_RELOC_PPC_LOCAL24PC:
94f592af 5612 if (!fixP->fx_pcrel && !fixP->fx_done)
252b5132
RH		 5613 abort ();
5614
94f592af 5615 if (fixP->fx_done)
99a814a1
AM		 5616 {
5617 char *where;
5618 unsigned long insn;
5619
5620 /* Fetch the instruction, insert the fully resolved operand
5621 value, and stuff the instruction back again. */
94f592af 5622 where = fixP->fx_frag->fr_literal + fixP->fx_where;
99a814a1
AM		 5623 if (target_big_endian)
5624 insn = bfd_getb32 ((unsigned char *) where);
5625 else
5626 insn = bfd_getl32 ((unsigned char *) where);
5627 if ((value & 3) != 0)
94f592af 5628 as_bad_where (fixP->fx_file, fixP->fx_line,
99a814a1
AM		 5629 _("must branch to an address a multiple of 4"));
5630 if ((offsetT) value < -0x40000000
5631 || (offsetT) value >= 0x40000000)
94f592af 5632 as_bad_where (fixP->fx_file, fixP->fx_line,
99a814a1
AM		 5633 _("@local or @plt branch destination is too far away, %ld bytes"),
5634 (long) value);
5635 insn = insn | (value & 0x03fffffc);
5636 if (target_big_endian)
5637 bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
5638 else
5639 bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
5640 }
252b5132
RH		 5641 break;
5642
5643 case BFD_RELOC_VTABLE_INHERIT:
94f592af
NC		 5644 fixP->fx_done = 0;
5645 if (fixP->fx_addsy
5646 && !S_IS_DEFINED (fixP->fx_addsy)
5647 && !S_IS_WEAK (fixP->fx_addsy))
5648 S_SET_WEAK (fixP->fx_addsy);
252b5132
RH		 5649 break;
5650
5651 case BFD_RELOC_VTABLE_ENTRY:
94f592af 5652 fixP->fx_done = 0;
252b5132
RH		 5653 break;
5654
0baf16f2 5655#ifdef OBJ_ELF
0baf16f2
AM		 5656 /* Generated by reference to `sym@tocbase'. The sym is
5657 ignored by the linker. */
5658 case BFD_RELOC_PPC64_TOC:
94f592af 5659 fixP->fx_done = 0;
0baf16f2 5660 break;
0baf16f2 5661#endif
252b5132 5662 default:
bc805888 5663 fprintf (stderr,
94f592af 5664 _("Gas failure, reloc value %d\n"), fixP->fx_r_type);
99a814a1 5665 fflush (stderr);
252b5132
RH		 5666 abort ();
5667 }
5668 }
5669
5670#ifdef OBJ_ELF
94f592af 5671 fixP->fx_addnumber = value;
252b5132 5672#else
94f592af
NC		 5673 if (fixP->fx_r_type != BFD_RELOC_PPC_TOC16)
5674 fixP->fx_addnumber = 0;
252b5132
RH		 5675 else
5676 {
5677#ifdef TE_PE
94f592af 5678 fixP->fx_addnumber = 0;
252b5132
RH		 5679#else
5680 /* We want to use the offset within the data segment of the
5681 symbol, not the actual VMA of the symbol. */
94f592af
NC		 5682 fixP->fx_addnumber =
5683 - bfd_get_section_vma (stdoutput, S_GET_SEGMENT (fixP->fx_addsy));
252b5132
RH		 5684#endif
5685 }
5686#endif
252b5132
RH		 5687}
5688
5689/* Generate a reloc for a fixup. */
5690
5691arelent *
5692tc_gen_reloc (seg, fixp)
92161534 5693 asection *seg ATTRIBUTE_UNUSED;
252b5132
RH		 5694 fixS *fixp;
5695{
5696 arelent *reloc;
5697
5698 reloc = (arelent *) xmalloc (sizeof (arelent));
5699
49309057
ILT		 5700 reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
5701 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
252b5132
RH		 5702 reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
5703 reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
5704 if (reloc->howto == (reloc_howto_type *) NULL)
5705 {
5706 as_bad_where (fixp->fx_file, fixp->fx_line,
99a814a1
AM		 5707 _("reloc %d not supported by object file format"),
5708 (int) fixp->fx_r_type);
252b5132
RH		 5709 return NULL;
5710 }
5711 reloc->addend = fixp->fx_addnumber;
5712
5713 return reloc;
5714}
A mirror of the official binutils-gdb repository