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16b61764 DR |
1 | /* Output variables, constants and external declarations, for GNU compiler. |
2 | Copyright (C) 1996, 1997, 1998, 2000, 2001, 2002 | |
3 | Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of GNU CC. | |
6 | ||
7 | GNU CC is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GNU CC is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU CC; see the file COPYING. If not, write to | |
19 | the Free Software Foundation, 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #define TARGET_OBJECT_SUFFIX ".obj" | |
23 | #define TARGET_EXECUTABLE_SUFFIX ".exe" | |
24 | ||
25 | /* This enables certain macros in alpha.h, which will make an indirect | |
26 | reference to an external symbol an invalid address. This needs to be | |
27 | defined before we include alpha.h, since it determines which macros | |
28 | are used for GO_IF_*. */ | |
29 | ||
30 | #define NO_EXTERNAL_INDIRECT_ADDRESS | |
31 | ||
32 | #include "alpha/alpha.h" | |
33 | ||
34 | #undef CPP_PREDEFINES | |
35 | #define CPP_PREDEFINES \ | |
36 | "-D__ALPHA -Dvms -DVMS -D__vms__ -D__VMS__ -Asystem=vms" | |
37 | ||
38 | #undef CPP_SUBTARGET_SPEC | |
39 | #define CPP_SUBTARGET_SPEC "\ | |
40 | %{mfloat-ieee:-D__IEEE_FLOAT} \ | |
41 | %{mfloat-vax:-D__G_FLOAT} \ | |
42 | %{!mfloat-vax:-D__IEEE_FLOAT}" | |
43 | ||
44 | /* By default, allow $ to be part of an identifier. */ | |
45 | #define DOLLARS_IN_IDENTIFIERS 2 | |
46 | ||
47 | #undef TARGET_DEFAULT | |
48 | #define TARGET_DEFAULT (MASK_FP|MASK_FPREGS|MASK_GAS) | |
49 | #undef TARGET_ABI_OPEN_VMS | |
50 | #define TARGET_ABI_OPEN_VMS 1 | |
51 | ||
52 | #undef TARGET_NAME | |
53 | #define TARGET_NAME "OpenVMS/Alpha" | |
54 | #undef TARGET_VERSION | |
55 | #define TARGET_VERSION fprintf (stderr, " (%s)", TARGET_NAME); | |
56 | ||
57 | /* The structure return address arrives as an "argument" on VMS. */ | |
58 | #undef STRUCT_VALUE_REGNUM | |
59 | #define STRUCT_VALUE 0 | |
60 | #undef PCC_STATIC_STRUCT_RETURN | |
61 | ||
62 | /* "long" is 32 bits, but 64 bits for Ada. */ | |
63 | #undef LONG_TYPE_SIZE | |
64 | #define LONG_TYPE_SIZE 32 | |
65 | #define ADA_LONG_TYPE_SIZE 64 | |
66 | ||
67 | /* Pointer is 32 bits but the hardware has 64-bit addresses, sign extended. */ | |
68 | #undef POINTER_SIZE | |
69 | #define POINTER_SIZE 32 | |
70 | #define POINTERS_EXTEND_UNSIGNED 0 | |
71 | ||
72 | #define MAX_OFILE_ALIGNMENT 524288 /* 8 x 2^16 by DEC Ada Test CD40VRA */ | |
73 | ||
74 | #undef FIXED_REGISTERS | |
75 | #define FIXED_REGISTERS \ | |
76 | {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
77 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, \ | |
78 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
79 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 } | |
80 | ||
81 | #undef CALL_USED_REGISTERS | |
82 | #define CALL_USED_REGISTERS \ | |
83 | {1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
84 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ | |
85 | 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, \ | |
86 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 } | |
87 | ||
88 | /* List the order in which to allocate registers. Each register must be | |
89 | listed once, even those in FIXED_REGISTERS. | |
90 | ||
91 | We allocate in the following order: | |
92 | $f1 (nonsaved floating-point register) | |
93 | $f10-$f15 (likewise) | |
94 | $f22-$f30 (likewise) | |
95 | $f21-$f16 (likewise, but input args) | |
96 | $f0 (nonsaved, but return value) | |
97 | $f2-$f9 (saved floating-point registers) | |
98 | $1 (nonsaved integer registers) | |
99 | $22-$25 (likewise) | |
100 | $28 (likewise) | |
101 | $0 (likewise, but return value) | |
102 | $21-$16 (likewise, but input args) | |
103 | $27 (procedure value in OSF, nonsaved in NT) | |
104 | $2-$8 (saved integer registers) | |
105 | $9-$14 (saved integer registers) | |
106 | $26 (return PC) | |
107 | $15 (frame pointer) | |
108 | $29 (global pointer) | |
109 | $30, $31, $f31 (stack pointer and always zero/ap & fp) */ | |
110 | ||
111 | #undef REG_ALLOC_ORDER | |
112 | #define REG_ALLOC_ORDER \ | |
113 | {33, \ | |
114 | 42, 43, 44, 45, 46, 47, \ | |
115 | 54, 55, 56, 57, 58, 59, 60, 61, 62, \ | |
116 | 53, 52, 51, 50, 49, 48, \ | |
117 | 32, \ | |
118 | 34, 35, 36, 37, 38, 39, 40, 41, \ | |
119 | 1, \ | |
120 | 22, 23, 24, 25, \ | |
121 | 28, \ | |
122 | 0, \ | |
123 | 21, 20, 19, 18, 17, 16, \ | |
124 | 27, \ | |
125 | 2, 3, 4, 5, 6, 7, 8, \ | |
126 | 9, 10, 11, 12, 13, 14, \ | |
127 | 26, \ | |
128 | 15, \ | |
129 | 29, \ | |
130 | 30, 31, 63 } | |
131 | ||
132 | #undef HARD_FRAME_POINTER_REGNUM | |
133 | #define HARD_FRAME_POINTER_REGNUM 29 | |
134 | ||
135 | /* Define registers used by the epilogue and return instruction. */ | |
136 | #undef EPILOGUE_USES | |
137 | #define EPILOGUE_USES(REGNO) ((REGNO) == 26 || (REGNO) == 29) | |
138 | ||
139 | #undef CAN_ELIMINATE | |
140 | #define CAN_ELIMINATE(FROM, TO) \ | |
141 | ((TO) != STACK_POINTER_REGNUM || ! alpha_using_fp ()) | |
142 | ||
143 | #undef INITIAL_ELIMINATION_OFFSET | |
144 | #define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \ | |
145 | { if ((FROM) == FRAME_POINTER_REGNUM) \ | |
146 | (OFFSET) = alpha_sa_size () + alpha_pv_save_size (); \ | |
147 | else if ((FROM) == ARG_POINTER_REGNUM) \ | |
148 | (OFFSET) = (ALPHA_ROUND (alpha_sa_size () + alpha_pv_save_size () \ | |
149 | + get_frame_size () \ | |
150 | + current_function_pretend_args_size) \ | |
151 | - current_function_pretend_args_size); \ | |
152 | else \ | |
153 | abort(); \ | |
154 | if ((TO) == STACK_POINTER_REGNUM) \ | |
155 | (OFFSET) += ALPHA_ROUND (current_function_outgoing_args_size); \ | |
156 | } | |
157 | \f | |
158 | /* Define a data type for recording info about an argument list | |
159 | during the scan of that argument list. This data type should | |
160 | hold all necessary information about the function itself | |
161 | and about the args processed so far, enough to enable macros | |
162 | such as FUNCTION_ARG to determine where the next arg should go. | |
163 | ||
164 | On Alpha/VMS, this is a structure that contains the number of | |
165 | arguments and, for each argument, the datatype of that argument. | |
166 | ||
167 | The number of arguments is a number of words of arguments scanned so far. | |
168 | Thus 6 or more means all following args should go on the stack. */ | |
169 | ||
170 | enum avms_arg_type {I64, FF, FD, FG, FS, FT}; | |
171 | typedef struct {int num_args; enum avms_arg_type atypes[6];} avms_arg_info; | |
172 | ||
173 | #undef CUMULATIVE_ARGS | |
174 | #define CUMULATIVE_ARGS avms_arg_info | |
175 | ||
176 | /* Initialize a variable CUM of type CUMULATIVE_ARGS | |
177 | for a call to a function whose data type is FNTYPE. | |
178 | For a library call, FNTYPE is 0. */ | |
179 | ||
180 | #undef INIT_CUMULATIVE_ARGS | |
181 | #define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME,INDIRECT) \ | |
182 | (CUM).num_args = 0; \ | |
183 | (CUM).atypes[0] = (CUM).atypes[1] = (CUM).atypes[2] = I64; \ | |
184 | (CUM).atypes[3] = (CUM).atypes[4] = (CUM).atypes[5] = I64; | |
185 | ||
186 | #undef FUNCTION_ARG_ADVANCE | |
187 | #define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \ | |
188 | if (MUST_PASS_IN_STACK (MODE, TYPE)) \ | |
189 | (CUM).num_args += 6; \ | |
190 | else \ | |
191 | { \ | |
192 | if ((CUM).num_args < 6) \ | |
193 | (CUM).atypes[(CUM).num_args] = alpha_arg_type (MODE); \ | |
194 | \ | |
195 | (CUM).num_args += ALPHA_ARG_SIZE (MODE, TYPE, NAMED); \ | |
196 | } | |
197 | ||
198 | /* For an arg passed partly in registers and partly in memory, | |
199 | this is the number of registers used. | |
200 | For args passed entirely in registers or entirely in memory, zero. */ | |
201 | ||
202 | #undef FUNCTION_ARG_PARTIAL_NREGS | |
203 | #define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) \ | |
204 | ((CUM).num_args < 6 && 6 < (CUM).num_args \ | |
205 | + ALPHA_ARG_SIZE (MODE, TYPE, NAMED) \ | |
206 | ? 6 - (CUM).num_args : 0) | |
207 | ||
208 | /* Perform any needed actions needed for a function that is receiving a | |
209 | variable number of arguments. | |
210 | ||
211 | CUM is as for INIT_CUMULATIVE_ARGS. | |
212 | ||
213 | MODE and TYPE are the mode and type of the current parameter. | |
214 | ||
215 | PRETEND_SIZE is a variable that should be set to the amount of stack | |
216 | that must be pushed by the prolog to pretend that our caller pushed | |
217 | it. | |
218 | ||
219 | Normally, this macro will push all remaining incoming registers on the | |
220 | stack and set PRETEND_SIZE to the length of the registers pushed. | |
221 | ||
222 | For VMS, we allocate space for all 6 arg registers plus a count. | |
223 | ||
224 | However, if NO registers need to be saved, don't allocate any space. | |
225 | This is not only because we won't need the space, but because AP includes | |
226 | the current_pretend_args_size and we don't want to mess up any | |
227 | ap-relative addresses already made. */ | |
228 | ||
229 | #undef SETUP_INCOMING_VARARGS | |
230 | #define SETUP_INCOMING_VARARGS(CUM,MODE,TYPE,PRETEND_SIZE,NO_RTL) \ | |
231 | { if ((CUM).num_args < 6) \ | |
232 | { \ | |
233 | if (! (NO_RTL)) \ | |
234 | { \ | |
235 | emit_move_insn (gen_rtx_REG (DImode, 1), \ | |
236 | virtual_incoming_args_rtx); \ | |
237 | emit_insn (gen_arg_home ()); \ | |
238 | } \ | |
239 | \ | |
240 | PRETEND_SIZE = 7 * UNITS_PER_WORD; \ | |
241 | } \ | |
242 | } | |
243 | ||
244 | /* ABI has stack checking, but it's broken. */ | |
245 | #undef STACK_CHECK_BUILTIN | |
246 | #define STACK_CHECK_BUILTIN 0 | |
247 | ||
248 | #undef ASM_FILE_START | |
249 | #define ASM_FILE_START(FILE) \ | |
250 | { \ | |
251 | alpha_write_verstamp (FILE); \ | |
252 | fprintf (FILE, "\t.set noreorder\n"); \ | |
253 | fprintf (FILE, "\t.set volatile\n"); \ | |
254 | ASM_OUTPUT_SOURCE_FILENAME (FILE, main_input_filename); \ | |
255 | } | |
256 | ||
257 | #define LINK_SECTION_ASM_OP "\t.link" | |
258 | #define READONLY_SECTION_ASM_OP "\t.rdata" | |
259 | #define LITERALS_SECTION_ASM_OP "\t.literals" | |
260 | #define CTORS_SECTION_ASM_OP "\t.ctors" | |
261 | #define DTORS_SECTION_ASM_OP "\t.dtors" | |
262 | ||
263 | #undef EXTRA_SECTIONS | |
264 | #define EXTRA_SECTIONS in_link, in_rdata, in_literals | |
265 | ||
266 | #undef EXTRA_SECTION_FUNCTIONS | |
267 | #define EXTRA_SECTION_FUNCTIONS \ | |
268 | void \ | |
269 | readonly_section () \ | |
270 | { \ | |
271 | if (in_section != in_rdata) \ | |
272 | { \ | |
273 | fprintf (asm_out_file, "%s\n", READONLY_SECTION_ASM_OP); \ | |
274 | in_section = in_rdata; \ | |
275 | } \ | |
276 | } \ | |
277 | void \ | |
278 | link_section () \ | |
279 | { \ | |
280 | if (in_section != in_link) \ | |
281 | { \ | |
282 | fprintf (asm_out_file, "%s\n", LINK_SECTION_ASM_OP); \ | |
283 | in_section = in_link; \ | |
284 | } \ | |
285 | } \ | |
286 | void \ | |
287 | literals_section () \ | |
288 | { \ | |
289 | if (in_section != in_literals) \ | |
290 | { \ | |
291 | fprintf (asm_out_file, "%s\n", LITERALS_SECTION_ASM_OP); \ | |
292 | in_section = in_literals; \ | |
293 | } \ | |
294 | } | |
295 | ||
296 | extern void readonly_section PARAMS ((void)); | |
297 | extern void link_section PARAMS ((void)); | |
298 | extern void literals_section PARAMS ((void)); | |
299 | ||
300 | #undef ASM_OUTPUT_ADDR_DIFF_ELT | |
301 | #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) abort () | |
302 | ||
303 | #undef ASM_OUTPUT_ADDR_VEC_ELT | |
304 | #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ | |
305 | fprintf (FILE, "\t.quad $L%d\n", (VALUE)) | |
306 | ||
307 | #undef READONLY_DATA_SECTION | |
308 | #define READONLY_DATA_SECTION readonly_section | |
309 | ||
310 | #define ASM_FILE_END(FILE) alpha_write_linkage (FILE); | |
311 | ||
312 | #undef CASE_VECTOR_MODE | |
313 | #define CASE_VECTOR_MODE DImode | |
314 | #undef CASE_VECTOR_PC_RELATIVE | |
315 | ||
316 | #undef ASM_OUTPUT_CASE_LABEL | |
317 | #define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLEINSN) \ | |
318 | { ASM_OUTPUT_ALIGN (FILE, 3); ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM); } | |
319 | ||
320 | /* This says how to output assembler code to declare an | |
321 | uninitialized external linkage data object. */ | |
322 | ||
323 | #define COMMON_ASM_OP "\t.comm\t" | |
324 | ||
325 | #undef ASM_OUTPUT_ALIGNED_COMMON | |
326 | #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \ | |
327 | do { \ | |
328 | fprintf ((FILE), "%s", COMMON_ASM_OP); \ | |
329 | assemble_name ((FILE), (NAME)); \ | |
330 | fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT); \ | |
331 | } while (0) | |
332 | ||
333 | \f | |
334 | /* Output assembler code for a block containing the constant parts | |
335 | of a trampoline, leaving space for the variable parts. | |
336 | ||
337 | The trampoline should set the static chain pointer to value placed | |
338 | into the trampoline and should branch to the specified routine. | |
339 | Note that $27 has been set to the address of the trampoline, so we can | |
340 | use it for addressability of the two data items. */ | |
341 | ||
342 | #undef TRAMPOLINE_TEMPLATE | |
343 | #define TRAMPOLINE_TEMPLATE(FILE) \ | |
344 | { \ | |
345 | fprintf (FILE, "\t.quad 0\n"); \ | |
346 | fprintf (FILE, "\t.linkage __tramp\n"); \ | |
347 | fprintf (FILE, "\t.quad 0\n"); \ | |
348 | } | |
349 | ||
350 | /* Length in units of the trampoline for entering a nested function. */ | |
351 | ||
352 | #undef TRAMPOLINE_SIZE | |
353 | #define TRAMPOLINE_SIZE 32 | |
354 | ||
355 | /* The alignment of a trampoline, in bits. */ | |
356 | ||
357 | #undef TRAMPOLINE_ALIGNMENT | |
358 | #define TRAMPOLINE_ALIGNMENT 64 | |
359 | ||
360 | /* Emit RTL insns to initialize the variable parts of a trampoline. | |
361 | FNADDR is an RTX for the address of the function's pure code. | |
362 | CXT is an RTX for the static chain value for the function. */ | |
363 | ||
364 | #undef INITIALIZE_TRAMPOLINE | |
365 | #define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \ | |
366 | alpha_initialize_trampoline (TRAMP, FNADDR, CXT, 16, 24, -1) | |
367 | ||
368 | /* Control how constructors and destructors are emitted. */ | |
369 | #define TARGET_ASM_CONSTRUCTOR vms_asm_out_constructor | |
370 | #define TARGET_ASM_DESTRUCTOR vms_asm_out_destructor | |
371 | ||
372 | #undef SDB_DEBUGGING_INFO | |
373 | #undef MIPS_DEBUGGING_INFO | |
374 | #undef DBX_DEBUGGING_INFO | |
375 | ||
376 | #define DWARF2_DEBUGGING_INFO | |
377 | #define VMS_DEBUGGING_INFO | |
378 | ||
379 | #define DWARF2_UNWIND_INFO 1 | |
380 | ||
381 | #undef EH_RETURN_HANDLER_RTX | |
382 | #define EH_RETURN_HANDLER_RTX \ | |
383 | gen_rtx_MEM (Pmode, plus_constant (stack_pointer_rtx, 8)) | |
384 | ||
385 | #define LINK_EH_SPEC "vms-dwarf2eh.o%s" | |
386 | ||
387 | #ifdef IN_LIBGCC2 | |
388 | #include <libicb.h> | |
389 | #include <pdscdef.h> | |
390 | #endif | |
391 | ||
392 | #define MD_FALLBACK_FRAME_STATE_FOR(CONTEXT, FS, SUCCESS) \ | |
393 | do { \ | |
394 | unsigned long handle; \ | |
395 | PDSCDEF *pv; \ | |
396 | INVO_CONTEXT_BLK invo; \ | |
397 | \ | |
398 | memset (&invo, 0, sizeof INVO_CONTEXT_BLK); \ | |
16b61764 DR |
399 | \ |
400 | invo.libicb$q_ireg [29] = *((long long *) (CONTEXT)->reg [29]); \ | |
401 | invo.libicb$q_ireg [30] = (long long) (CONTEXT)->cfa \ | |
402 | handle = LIB$GET_INVO_HANDLE (&invo); \ | |
403 | LIB$GET_INVO_CONTEXT (handle, &invo); \ | |
404 | pv = (PDSCDEF *) invo.libicb$ph_procedure_descriptor; \ | |
405 | \ | |
406 | if (pv && ((pv->pdsc$w_flags & 0xf) == PDSC$K_KIND_FP_STACK)) \ | |
407 | { \ | |
408 | int i, j; \ | |
409 | \ | |
410 | (FS)->cfa_offset = pv->pdsc$l_size; \ | |
411 | (FS)->cfg_reg = pv->pdsc$w_flags & PDSC$M_BASE_REG_IS_FP ? 29 : 30; \ | |
412 | (FS)->retaddr_column = 26; \ | |
413 | (FS)->cfa_how = CFA_REG_OFFSET; \ | |
414 | (FS)->regs.reg[27].loc.offset = -pv->pdsc$l_size; \ | |
415 | (FS)->regs.reg[27].how = REG_SAVED_OFFSET; \ | |
416 | (FS)->regs.reg[26].loc.offset \ | |
417 | = pv->pdsc$w_rsa_offset - pv->pdsc$l_size); \ | |
418 | (FS)->regs.reg[26].how = REG_SAVED_OFFSET; \ | |
419 | \ | |
420 | for (i = 0, j = 0; i < 32; i++) \ | |
421 | if (1<<i & pv->pdsc$l_ireg_mask) \ | |
422 | { \ | |
423 | (FS)->regs.reg[i].loc.offset \ | |
424 | = pv->pdsc$l_size - pv->pdsc$w_rsa_offset - 8 * j++; \ | |
425 | (FS)->regs.reg[i].how = REG_SAVED_OFFSET; \ | |
426 | } \ | |
427 | \ | |
428 | goto SUCCESS; \ | |
429 | } \ | |
430 | } while (0) | |
431 | ||
e9a25f70 JL |
432 | /* This is how to output an assembler line |
433 | that says to advance the location counter | |
434 | to a multiple of 2**LOG bytes. */ | |
435 | ||
436 | #undef ASM_OUTPUT_ALIGN | |
437 | #define ASM_OUTPUT_ALIGN(FILE,LOG) \ | |
438 | fprintf (FILE, "\t.align %d\n", LOG); | |
439 | ||
7c262518 RH |
440 | /* Switch into a generic section. */ |
441 | #define TARGET_ASM_NAMED_SECTION vms_asm_named_section | |
e9a25f70 JL |
442 | |
443 | #define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \ | |
444 | do { literals_section(); \ | |
445 | fprintf ((FILE), "\t"); \ | |
446 | assemble_name (FILE, LABEL1); \ | |
447 | fprintf (FILE, " = "); \ | |
448 | assemble_name (FILE, LABEL2); \ | |
449 | fprintf (FILE, "\n"); \ | |
450 | } while (0) | |
451 | ||
aacdb8bb | 452 | #undef PREFERRED_DEBUGGING_TYPE |
7a0c8d71 | 453 | #define PREFERRED_DEBUGGING_TYPE VMS_AND_DWARF2_DEBUG |
aacdb8bb | 454 | |
aacdb8bb | 455 | #undef ASM_FORMAT_PRIVATE_NAME |
aacdb8bb RK |
456 | #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \ |
457 | ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 12), \ | |
458 | sprintf ((OUTPUT), "%s___%d", (NAME), (LABELNO))) | |
459 | ||
60593797 RH |
460 | /* ??? VMS uses different linkage. */ |
461 | #undef ASM_OUTPUT_MI_THUNK | |
462 | ||
aacdb8bb | 463 | #undef ASM_SPEC |
aacdb8bb | 464 | #undef ASM_FINAL_SPEC |
7a0c8d71 DR |
465 | |
466 | /* The VMS convention is to always provide minimal debug info | |
467 | for a traceback unless specifically overridden. Defaulting this here | |
468 | is a kludge. */ | |
469 | ||
470 | #define OPTIMIZATION_OPTIONS(OPTIMIZE, OPTIMIZE_SIZE) \ | |
471 | { \ | |
472 | write_symbols = VMS_DEBUG; \ | |
473 | debug_info_level = (enum debug_info_level) 1; \ | |
474 | } | |
475 | ||
476 | /* Override traceback debug info on -g0. */ | |
477 | #undef OVERRIDE_OPTIONS | |
478 | #define OVERRIDE_OPTIONS \ | |
479 | { \ | |
480 | if (write_symbols == NO_DEBUG) \ | |
481 | debug_info_level = (enum debug_info_level) 0; \ | |
482 | override_options (); \ | |
483 | } | |
484 | ||
485 | /* Link with vms-dwarf2.o if -g (except -g0). This causes the | |
486 | VMS link to pull all the dwarf2 debug sections together. */ | |
aacdb8bb | 487 | #undef LINK_SPEC |
7a0c8d71 DR |
488 | #define LINK_SPEC "%{g:-g vms-dwarf2.o%s} %{g0} %{g1:-g1 vms-dwarf2.o%s} \ |
489 | %{g2:-g2 vms-dwarf2.o%s} %{g3:-g3 vms-dwarf2.o%s} %{shared} %{v} %{map}" | |
490 | ||
aacdb8bb | 491 | #undef STARTFILE_SPEC |
d7c23cdc DR |
492 | #define STARTFILE_SPEC "%{!shared:%{mvms-return-codes:vcrt0.o%s} \ |
493 | %{!mvms-return-codes:pcrt0.o%s}}" | |
aacdb8bb | 494 | |
02f7da12 DR |
495 | #undef LIB_SPEC |
496 | #define LIB_SPEC "-lc" | |
497 | ||
aacdb8bb | 498 | /* Define the names of the division and modulus functions. */ |
3a133c72 KK |
499 | #define DIVSI3_LIBCALL "OTS$DIV_I" |
500 | #define DIVDI3_LIBCALL "OTS$DIV_L" | |
501 | #define UDIVSI3_LIBCALL "OTS$DIV_UI" | |
502 | #define UDIVDI3_LIBCALL "OTS$DIV_UL" | |
503 | #define MODSI3_LIBCALL "OTS$REM_I" | |
504 | #define MODDI3_LIBCALL "OTS$REM_L" | |
505 | #define UMODSI3_LIBCALL "OTS$REM_UI" | |
506 | #define UMODDI3_LIBCALL "OTS$REM_UL" | |
f5e86959 | 507 | |
5a598ccc DR |
508 | #define NAME__MAIN "__gccmain" |
509 | #define SYMBOL__MAIN __gccmain | |
5dd8a9b1 ZW |
510 | |
511 | /* Specify the list of include file directories. */ | |
512 | #define INCLUDE_DEFAULTS \ | |
513 | { \ | |
514 | { "/gnu_gxx_include", 0, 1, 1 }, \ | |
515 | { "/gnu_cc_include", 0, 0, 0 }, \ | |
516 | { "/gnu/include", 0, 0, 0 }, \ | |
517 | { 0, 0, 0, 0 } \ | |
518 | } |