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eff01bb6 | 1 | /* Definitions of various defaults for tm.h macros. |
ad616de1 | 2 | Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
66647d44 | 3 | 2005, 2007, 2008, 2009 |
d8ea8f28 | 4 | Free Software Foundation, Inc. |
b33c316c | 5 | Contributed by Ron Guilmette (rfg@monkeys.com) |
c53a8ab6 | 6 | |
1322177d | 7 | This file is part of GCC. |
c53a8ab6 | 8 | |
1322177d LB |
9 | GCC is free software; you can redistribute it and/or modify it under |
10 | the terms of the GNU General Public License as published by the Free | |
9dcd6f09 | 11 | Software Foundation; either version 3, or (at your option) any later |
1322177d | 12 | version. |
c53a8ab6 | 13 | |
1322177d LB |
14 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
15 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
16 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
17 | for more details. | |
c53a8ab6 | 18 | |
748086b7 JJ |
19 | Under Section 7 of GPL version 3, you are granted additional |
20 | permissions described in the GCC Runtime Library Exception, version | |
21 | 3.1, as published by the Free Software Foundation. | |
22 | ||
23 | You should have received a copy of the GNU General Public License and | |
24 | a copy of the GCC Runtime Library Exception along with this program; | |
25 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
9dcd6f09 | 26 | <http://www.gnu.org/licenses/>. */ |
c53a8ab6 | 27 | |
d8ea8f28 ZW |
28 | #ifndef GCC_DEFAULTS_H |
29 | #define GCC_DEFAULTS_H | |
30 | ||
2f8dd115 NB |
31 | #ifndef GET_ENVIRONMENT |
32 | #define GET_ENVIRONMENT(VALUE, NAME) do { (VALUE) = getenv (NAME); } while (0) | |
33 | #endif | |
34 | ||
95ec27aa SB |
35 | #define obstack_chunk_alloc ((void *(*) (long)) xmalloc) |
36 | #define obstack_chunk_free ((void (*) (void *)) free) | |
37 | #define OBSTACK_CHUNK_SIZE 0 | |
38 | #define gcc_obstack_init(OBSTACK) \ | |
39 | _obstack_begin ((OBSTACK), OBSTACK_CHUNK_SIZE, 0, \ | |
40 | obstack_chunk_alloc, \ | |
41 | obstack_chunk_free) | |
4fa31c2a | 42 | |
4977bab6 ZW |
43 | /* Store in OUTPUT a string (made with alloca) containing an |
44 | assembler-name for a local static variable or function named NAME. | |
7b73db04 CH |
45 | LABELNO is an integer which is different for each call. */ |
46 | ||
4977bab6 ZW |
47 | #ifndef ASM_PN_FORMAT |
48 | # ifndef NO_DOT_IN_LABEL | |
49 | # define ASM_PN_FORMAT "%s.%lu" | |
50 | # else | |
51 | # ifndef NO_DOLLAR_IN_LABEL | |
52 | # define ASM_PN_FORMAT "%s$%lu" | |
53 | # else | |
54 | # define ASM_PN_FORMAT "__%s_%lu" | |
55 | # endif | |
56 | # endif | |
57 | #endif /* ! ASM_PN_FORMAT */ | |
58 | ||
7b73db04 | 59 | #ifndef ASM_FORMAT_PRIVATE_NAME |
4977bab6 ZW |
60 | # define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \ |
61 | do { const char *const name_ = (NAME); \ | |
28dab132 BI |
62 | char *const output_ = (OUTPUT) = \ |
63 | (char *) alloca (strlen (name_) + 32); \ | |
4977bab6 | 64 | sprintf (output_, ASM_PN_FORMAT, name_, (unsigned long)(LABELNO)); \ |
7b73db04 CH |
65 | } while (0) |
66 | #endif | |
67 | ||
e0a21ab9 | 68 | /* Choose a reasonable default for ASM_OUTPUT_ASCII. */ |
c53a8ab6 RS |
69 | |
70 | #ifndef ASM_OUTPUT_ASCII | |
71 | #define ASM_OUTPUT_ASCII(MYFILE, MYSTRING, MYLENGTH) \ | |
72 | do { \ | |
73 | FILE *_hide_asm_out_file = (MYFILE); \ | |
47ee9bcb | 74 | const unsigned char *_hide_p = (const unsigned char *) (MYSTRING); \ |
c53a8ab6 RS |
75 | int _hide_thissize = (MYLENGTH); \ |
76 | { \ | |
77 | FILE *asm_out_file = _hide_asm_out_file; \ | |
47ee9bcb | 78 | const unsigned char *p = _hide_p; \ |
c53a8ab6 RS |
79 | int thissize = _hide_thissize; \ |
80 | int i; \ | |
81 | fprintf (asm_out_file, "\t.ascii \""); \ | |
82 | \ | |
83 | for (i = 0; i < thissize; i++) \ | |
84 | { \ | |
b3694847 | 85 | int c = p[i]; \ |
c53a8ab6 RS |
86 | if (c == '\"' || c == '\\') \ |
87 | putc ('\\', asm_out_file); \ | |
5f6d3823 | 88 | if (ISPRINT(c)) \ |
c53a8ab6 RS |
89 | putc (c, asm_out_file); \ |
90 | else \ | |
91 | { \ | |
92 | fprintf (asm_out_file, "\\%o", c); \ | |
93 | /* After an octal-escape, if a digit follows, \ | |
94 | terminate one string constant and start another. \ | |
8aeea6e6 | 95 | The VAX assembler fails to stop reading the escape \ |
c53a8ab6 RS |
96 | after three digits, so this is the only way we \ |
97 | can get it to parse the data properly. */ \ | |
d07ecc3b | 98 | if (i < thissize - 1 && ISDIGIT(p[i + 1])) \ |
c53a8ab6 RS |
99 | fprintf (asm_out_file, "\"\n\t.ascii \""); \ |
100 | } \ | |
101 | } \ | |
102 | fprintf (asm_out_file, "\"\n"); \ | |
103 | } \ | |
104 | } \ | |
105 | while (0) | |
106 | #endif | |
d0d4af87 | 107 | |
650f773a JW |
108 | /* This is how we tell the assembler to equate two values. */ |
109 | #ifdef SET_ASM_OP | |
110 | #ifndef ASM_OUTPUT_DEF | |
111 | #define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \ | |
e8638df0 | 112 | do { fprintf ((FILE), "%s", SET_ASM_OP); \ |
650f773a JW |
113 | assemble_name (FILE, LABEL1); \ |
114 | fprintf (FILE, ","); \ | |
115 | assemble_name (FILE, LABEL2); \ | |
116 | fprintf (FILE, "\n"); \ | |
117 | } while (0) | |
118 | #endif | |
119 | #endif | |
daefd78b | 120 | |
a13e882c JJ |
121 | #if defined (HAVE_AS_TLS) && !defined (ASM_OUTPUT_TLS_COMMON) |
122 | #define ASM_OUTPUT_TLS_COMMON(FILE, DECL, NAME, SIZE) \ | |
123 | do \ | |
124 | { \ | |
125 | fprintf ((FILE), "\t.tls_common\t"); \ | |
126 | assemble_name ((FILE), (NAME)); \ | |
127 | fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ | |
128 | (SIZE), DECL_ALIGN (DECL) / BITS_PER_UNIT); \ | |
129 | } \ | |
130 | while (0) | |
131 | #endif | |
132 | ||
083b6717 JDA |
133 | /* Decide whether to defer emitting the assembler output for an equate |
134 | of two values. The default is to not defer output. */ | |
135 | #ifndef TARGET_DEFERRED_OUTPUT_DEFS | |
136 | #define TARGET_DEFERRED_OUTPUT_DEFS(DECL,TARGET) false | |
137 | #endif | |
138 | ||
4ad5e05d KG |
139 | /* This is how to output the definition of a user-level label named |
140 | NAME, such as the label on a static function or variable NAME. */ | |
141 | ||
142 | #ifndef ASM_OUTPUT_LABEL | |
143 | #define ASM_OUTPUT_LABEL(FILE,NAME) \ | |
144 | do { assemble_name ((FILE), (NAME)); fputs (":\n", (FILE)); } while (0) | |
145 | #endif | |
146 | ||
57829bc4 MM |
147 | /* Output the definition of a compiler-generated label named NAME. */ |
148 | #ifndef ASM_OUTPUT_INTERNAL_LABEL | |
149 | #define ASM_OUTPUT_INTERNAL_LABEL(FILE,NAME) \ | |
150 | do { \ | |
151 | assemble_name_raw ((FILE), (NAME)); \ | |
152 | fputs (":\n", (FILE)); \ | |
153 | } while (0) | |
154 | #endif | |
155 | ||
81d77cda RK |
156 | /* This is how to output a reference to a user-level label named NAME. */ |
157 | ||
158 | #ifndef ASM_OUTPUT_LABELREF | |
19283265 | 159 | #define ASM_OUTPUT_LABELREF(FILE,NAME) asm_fprintf ((FILE), "%U%s", (NAME)) |
81d77cda RK |
160 | #endif |
161 | ||
8215347e JW |
162 | /* Allow target to print debug info labels specially. This is useful for |
163 | VLIW targets, since debug info labels should go into the middle of | |
164 | instruction bundles instead of breaking them. */ | |
165 | ||
166 | #ifndef ASM_OUTPUT_DEBUG_LABEL | |
167 | #define ASM_OUTPUT_DEBUG_LABEL(FILE, PREFIX, NUM) \ | |
4977bab6 | 168 | (*targetm.asm_out.internal_label) (FILE, PREFIX, NUM) |
8215347e JW |
169 | #endif |
170 | ||
3aa8ab7b | 171 | /* This is how we tell the assembler that a symbol is weak. */ |
20c93f7c RO |
172 | #ifndef ASM_OUTPUT_WEAK_ALIAS |
173 | #if defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_DEF) | |
3aa8ab7b L |
174 | #define ASM_OUTPUT_WEAK_ALIAS(STREAM, NAME, VALUE) \ |
175 | do \ | |
176 | { \ | |
177 | ASM_WEAKEN_LABEL (STREAM, NAME); \ | |
178 | if (VALUE) \ | |
179 | ASM_OUTPUT_DEF (STREAM, NAME, VALUE); \ | |
180 | } \ | |
181 | while (0) | |
a0203ca7 AO |
182 | #endif |
183 | #endif | |
184 | ||
185 | /* This is how we tell the assembler that a symbol is a weak alias to | |
186 | another symbol that doesn't require the other symbol to be defined. | |
187 | Uses of the former will turn into weak uses of the latter, i.e., | |
188 | uses that, in case the latter is undefined, will not cause errors, | |
189 | and will add it to the symbol table as weak undefined. However, if | |
190 | the latter is referenced directly, a strong reference prevails. */ | |
191 | #ifndef ASM_OUTPUT_WEAKREF | |
192 | #if defined HAVE_GAS_WEAKREF | |
ff2d10c1 | 193 | #define ASM_OUTPUT_WEAKREF(FILE, DECL, NAME, VALUE) \ |
a0203ca7 AO |
194 | do \ |
195 | { \ | |
196 | fprintf ((FILE), "\t.weakref\t"); \ | |
197 | assemble_name ((FILE), (NAME)); \ | |
198 | fprintf ((FILE), ","); \ | |
199 | assemble_name ((FILE), (VALUE)); \ | |
200 | fprintf ((FILE), "\n"); \ | |
201 | } \ | |
202 | while (0) | |
3aa8ab7b | 203 | #endif |
20c93f7c | 204 | #endif |
3aa8ab7b | 205 | |
2be2ac70 ZW |
206 | /* How to emit a .type directive. */ |
207 | #ifndef ASM_OUTPUT_TYPE_DIRECTIVE | |
208 | #if defined TYPE_ASM_OP && defined TYPE_OPERAND_FMT | |
209 | #define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE) \ | |
210 | do \ | |
211 | { \ | |
212 | fputs (TYPE_ASM_OP, STREAM); \ | |
213 | assemble_name (STREAM, NAME); \ | |
214 | fputs (", ", STREAM); \ | |
215 | fprintf (STREAM, TYPE_OPERAND_FMT, TYPE); \ | |
216 | putc ('\n', STREAM); \ | |
217 | } \ | |
218 | while (0) | |
219 | #endif | |
220 | #endif | |
221 | ||
222 | /* How to emit a .size directive. */ | |
223 | #ifndef ASM_OUTPUT_SIZE_DIRECTIVE | |
224 | #ifdef SIZE_ASM_OP | |
225 | #define ASM_OUTPUT_SIZE_DIRECTIVE(STREAM, NAME, SIZE) \ | |
226 | do \ | |
227 | { \ | |
228 | HOST_WIDE_INT size_ = (SIZE); \ | |
229 | fputs (SIZE_ASM_OP, STREAM); \ | |
230 | assemble_name (STREAM, NAME); \ | |
90ff44cf | 231 | fprintf (STREAM, ", " HOST_WIDE_INT_PRINT_DEC "\n", size_); \ |
2be2ac70 ZW |
232 | } \ |
233 | while (0) | |
234 | ||
99086d59 | 235 | #define ASM_OUTPUT_MEASURED_SIZE(STREAM, NAME) \ |
2be2ac70 ZW |
236 | do \ |
237 | { \ | |
238 | fputs (SIZE_ASM_OP, STREAM); \ | |
99086d59 ZW |
239 | assemble_name (STREAM, NAME); \ |
240 | fputs (", .-", STREAM); \ | |
241 | assemble_name (STREAM, NAME); \ | |
2be2ac70 ZW |
242 | putc ('\n', STREAM); \ |
243 | } \ | |
244 | while (0) | |
245 | ||
246 | #endif | |
247 | #endif | |
248 | ||
daefd78b JM |
249 | /* This determines whether or not we support weak symbols. */ |
250 | #ifndef SUPPORTS_WEAK | |
79c4e63f | 251 | #if defined (ASM_WEAKEN_LABEL) || defined (ASM_WEAKEN_DECL) |
daefd78b JM |
252 | #define SUPPORTS_WEAK 1 |
253 | #else | |
254 | #define SUPPORTS_WEAK 0 | |
255 | #endif | |
256 | #endif | |
a6ab3aad | 257 | |
1ca894a0 MM |
258 | /* This determines whether or not we support link-once semantics. */ |
259 | #ifndef SUPPORTS_ONE_ONLY | |
260 | #ifdef MAKE_DECL_ONE_ONLY | |
261 | #define SUPPORTS_ONE_ONLY 1 | |
262 | #else | |
263 | #define SUPPORTS_ONE_ONLY 0 | |
264 | #endif | |
265 | #endif | |
266 | ||
0524c91d MA |
267 | /* This determines whether weak symbols must be left out of a static |
268 | archive's table of contents. Defining this macro to be nonzero has | |
269 | the consequence that certain symbols will not be made weak that | |
270 | otherwise would be. The C++ ABI requires this macro to be zero; | |
8c27b7d4 | 271 | see the documentation. */ |
0524c91d MA |
272 | #ifndef TARGET_WEAK_NOT_IN_ARCHIVE_TOC |
273 | #define TARGET_WEAK_NOT_IN_ARCHIVE_TOC 0 | |
4746cf84 MA |
274 | #endif |
275 | ||
ea4b7848 | 276 | /* This determines whether or not we need linkonce unwind information. */ |
4746cf84 MA |
277 | #ifndef TARGET_USES_WEAK_UNWIND_INFO |
278 | #define TARGET_USES_WEAK_UNWIND_INFO 0 | |
279 | #endif | |
280 | ||
d48fd218 ZW |
281 | /* By default, there is no prefix on user-defined symbols. */ |
282 | #ifndef USER_LABEL_PREFIX | |
283 | #define USER_LABEL_PREFIX "" | |
284 | #endif | |
285 | ||
8f08ea1e | 286 | /* If the target supports weak symbols, define TARGET_ATTRIBUTE_WEAK to |
f676971a | 287 | provide a weak attribute. Else define it to nothing. |
8f08ea1e | 288 | |
d02af173 | 289 | This would normally belong in ansidecl.h, but SUPPORTS_WEAK is |
8f08ea1e L |
290 | not available at that time. |
291 | ||
292 | Note, this is only for use by target files which we know are to be | |
293 | compiled by GCC. */ | |
294 | #ifndef TARGET_ATTRIBUTE_WEAK | |
295 | # if SUPPORTS_WEAK | |
296 | # define TARGET_ATTRIBUTE_WEAK __attribute__ ((weak)) | |
297 | # else | |
298 | # define TARGET_ATTRIBUTE_WEAK | |
299 | # endif | |
300 | #endif | |
301 | ||
4746cf84 | 302 | /* Determines whether we may use common symbols to represent one-only |
9cf737f8 | 303 | semantics (a.k.a. "vague linkage"). */ |
4746cf84 MA |
304 | #ifndef USE_COMMON_FOR_ONE_ONLY |
305 | # define USE_COMMON_FOR_ONE_ONLY 1 | |
306 | #endif | |
307 | ||
15072eb1 ZW |
308 | /* By default we can assume that all global symbols are in one namespace, |
309 | across all shared libraries. */ | |
310 | #ifndef MULTIPLE_SYMBOL_SPACES | |
311 | # define MULTIPLE_SYMBOL_SPACES 0 | |
312 | #endif | |
4746cf84 | 313 | |
ea4f1fce JO |
314 | /* If the target supports init_priority C++ attribute, give |
315 | SUPPORTS_INIT_PRIORITY a nonzero value. */ | |
316 | #ifndef SUPPORTS_INIT_PRIORITY | |
317 | #define SUPPORTS_INIT_PRIORITY 1 | |
318 | #endif /* SUPPORTS_INIT_PRIORITY */ | |
319 | ||
5897739e JO |
320 | /* If duplicate library search directories can be removed from a |
321 | linker command without changing the linker's semantics, give this | |
322 | symbol a nonzero. */ | |
323 | #ifndef LINK_ELIMINATE_DUPLICATE_LDIRECTORIES | |
324 | #define LINK_ELIMINATE_DUPLICATE_LDIRECTORIES 0 | |
325 | #endif /* LINK_ELIMINATE_DUPLICATE_LDIRECTORIES */ | |
326 | ||
a6ab3aad JM |
327 | /* If we have a definition of INCOMING_RETURN_ADDR_RTX, assume that |
328 | the rest of the DWARF 2 frame unwind support is also provided. */ | |
a480e826 JW |
329 | #if !defined (DWARF2_UNWIND_INFO) && defined (INCOMING_RETURN_ADDR_RTX) \ |
330 | && !defined (TARGET_UNWIND_INFO) | |
0021b564 | 331 | #define DWARF2_UNWIND_INFO 1 |
a6ab3aad | 332 | #endif |
b366352b | 333 | |
2cc07db4 RH |
334 | /* If we have named sections, and we're using crtstuff to run ctors, |
335 | use them for registering eh frame information. */ | |
bc2a8f08 RH |
336 | #if defined (TARGET_ASM_NAMED_SECTION) && DWARF2_UNWIND_INFO \ |
337 | && !defined(EH_FRAME_IN_DATA_SECTION) | |
7c262518 RH |
338 | #ifndef EH_FRAME_SECTION_NAME |
339 | #define EH_FRAME_SECTION_NAME ".eh_frame" | |
340 | #endif | |
31cf0144 JM |
341 | #endif |
342 | ||
1a35e62d MM |
343 | /* On many systems, different EH table encodings are used under |
344 | difference circumstances. Some will require runtime relocations; | |
345 | some will not. For those that do not require runtime relocations, | |
346 | we would like to make the table read-only. However, since the | |
347 | read-only tables may need to be combined with read-write tables | |
348 | that do require runtime relocation, it is not safe to make the | |
349 | tables read-only unless the linker will merge read-only and | |
350 | read-write sections into a single read-write section. If your | |
351 | linker does not have this ability, but your system is such that no | |
352 | encoding used with non-PIC code will ever require a runtime | |
353 | relocation, then you can define EH_TABLES_CAN_BE_READ_ONLY to 1 in | |
354 | your target configuration file. */ | |
355 | #ifndef EH_TABLES_CAN_BE_READ_ONLY | |
356 | #ifdef HAVE_LD_RO_RW_SECTION_MIXING | |
357 | #define EH_TABLES_CAN_BE_READ_ONLY 1 | |
358 | #else | |
359 | #define EH_TABLES_CAN_BE_READ_ONLY 0 | |
360 | #endif | |
361 | #endif | |
362 | ||
6351543d AG |
363 | /* If we have named section and we support weak symbols, then use the |
364 | .jcr section for recording java classes which need to be registered | |
365 | at program start-up time. */ | |
366 | #if defined (TARGET_ASM_NAMED_SECTION) && SUPPORTS_WEAK | |
367 | #ifndef JCR_SECTION_NAME | |
368 | #define JCR_SECTION_NAME ".jcr" | |
369 | #endif | |
370 | #endif | |
371 | ||
adb35797 | 372 | /* This decision to use a .jcr section can be overridden by defining |
e50e6b88 DS |
373 | USE_JCR_SECTION to 0 in target file. This is necessary if target |
374 | can define JCR_SECTION_NAME but does not have crtstuff or | |
375 | linker support for .jcr section. */ | |
376 | #ifndef TARGET_USE_JCR_SECTION | |
377 | #ifdef JCR_SECTION_NAME | |
378 | #define TARGET_USE_JCR_SECTION 1 | |
379 | #else | |
380 | #define TARGET_USE_JCR_SECTION 0 | |
381 | #endif | |
382 | #endif | |
383 | ||
c478efd1 GDR |
384 | /* Number of hardware registers that go into the DWARF-2 unwind info. |
385 | If not defined, equals FIRST_PSEUDO_REGISTER */ | |
386 | ||
387 | #ifndef DWARF_FRAME_REGISTERS | |
388 | #define DWARF_FRAME_REGISTERS FIRST_PSEUDO_REGISTER | |
389 | #endif | |
d8ea8f28 | 390 | |
4617e3b5 KG |
391 | /* How to renumber registers for dbx and gdb. If not defined, assume |
392 | no renumbering is necessary. */ | |
393 | ||
394 | #ifndef DBX_REGISTER_NUMBER | |
395 | #define DBX_REGISTER_NUMBER(REGNO) (REGNO) | |
396 | #endif | |
397 | ||
d8ea8f28 ZW |
398 | /* Default sizes for base C types. If the sizes are different for |
399 | your target, you should override these values by defining the | |
400 | appropriate symbols in your tm.h file. */ | |
401 | ||
5c60f03d KG |
402 | #ifndef BITS_PER_UNIT |
403 | #define BITS_PER_UNIT 8 | |
404 | #endif | |
405 | ||
e81dd381 KG |
406 | #ifndef BITS_PER_WORD |
407 | #define BITS_PER_WORD (BITS_PER_UNIT * UNITS_PER_WORD) | |
408 | #endif | |
409 | ||
d8ea8f28 ZW |
410 | #ifndef CHAR_TYPE_SIZE |
411 | #define CHAR_TYPE_SIZE BITS_PER_UNIT | |
412 | #endif | |
413 | ||
609688f3 JM |
414 | #ifndef BOOL_TYPE_SIZE |
415 | /* `bool' has size and alignment `1', on almost all platforms. */ | |
416 | #define BOOL_TYPE_SIZE CHAR_TYPE_SIZE | |
417 | #endif | |
418 | ||
d8ea8f28 ZW |
419 | #ifndef SHORT_TYPE_SIZE |
420 | #define SHORT_TYPE_SIZE (BITS_PER_UNIT * MIN ((UNITS_PER_WORD + 1) / 2, 2)) | |
421 | #endif | |
422 | ||
423 | #ifndef INT_TYPE_SIZE | |
424 | #define INT_TYPE_SIZE BITS_PER_WORD | |
425 | #endif | |
426 | ||
427 | #ifndef LONG_TYPE_SIZE | |
428 | #define LONG_TYPE_SIZE BITS_PER_WORD | |
429 | #endif | |
430 | ||
431 | #ifndef LONG_LONG_TYPE_SIZE | |
432 | #define LONG_LONG_TYPE_SIZE (BITS_PER_WORD * 2) | |
433 | #endif | |
434 | ||
435 | #ifndef WCHAR_TYPE_SIZE | |
436 | #define WCHAR_TYPE_SIZE INT_TYPE_SIZE | |
437 | #endif | |
438 | ||
d8ea8f28 ZW |
439 | #ifndef FLOAT_TYPE_SIZE |
440 | #define FLOAT_TYPE_SIZE BITS_PER_WORD | |
441 | #endif | |
442 | ||
443 | #ifndef DOUBLE_TYPE_SIZE | |
444 | #define DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2) | |
445 | #endif | |
446 | ||
447 | #ifndef LONG_DOUBLE_TYPE_SIZE | |
448 | #define LONG_DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2) | |
449 | #endif | |
450 | ||
9a8ce21f JG |
451 | #ifndef DECIMAL32_TYPE_SIZE |
452 | #define DECIMAL32_TYPE_SIZE 32 | |
453 | #endif | |
454 | ||
455 | #ifndef DECIMAL64_TYPE_SIZE | |
456 | #define DECIMAL64_TYPE_SIZE 64 | |
457 | #endif | |
458 | ||
459 | #ifndef DECIMAL128_TYPE_SIZE | |
460 | #define DECIMAL128_TYPE_SIZE 128 | |
461 | #endif | |
462 | ||
325217ed CF |
463 | #ifndef SHORT_FRACT_TYPE_SIZE |
464 | #define SHORT_FRACT_TYPE_SIZE BITS_PER_UNIT | |
465 | #endif | |
466 | ||
467 | #ifndef FRACT_TYPE_SIZE | |
468 | #define FRACT_TYPE_SIZE (BITS_PER_UNIT * 2) | |
469 | #endif | |
470 | ||
471 | #ifndef LONG_FRACT_TYPE_SIZE | |
472 | #define LONG_FRACT_TYPE_SIZE (BITS_PER_UNIT * 4) | |
473 | #endif | |
474 | ||
475 | #ifndef LONG_LONG_FRACT_TYPE_SIZE | |
476 | #define LONG_LONG_FRACT_TYPE_SIZE (BITS_PER_UNIT * 8) | |
477 | #endif | |
478 | ||
479 | #ifndef SHORT_ACCUM_TYPE_SIZE | |
480 | #define SHORT_ACCUM_TYPE_SIZE (SHORT_FRACT_TYPE_SIZE * 2) | |
481 | #endif | |
482 | ||
483 | #ifndef ACCUM_TYPE_SIZE | |
484 | #define ACCUM_TYPE_SIZE (FRACT_TYPE_SIZE * 2) | |
485 | #endif | |
486 | ||
487 | #ifndef LONG_ACCUM_TYPE_SIZE | |
488 | #define LONG_ACCUM_TYPE_SIZE (LONG_FRACT_TYPE_SIZE * 2) | |
489 | #endif | |
490 | ||
491 | #ifndef LONG_LONG_ACCUM_TYPE_SIZE | |
492 | #define LONG_LONG_ACCUM_TYPE_SIZE (LONG_LONG_FRACT_TYPE_SIZE * 2) | |
493 | #endif | |
494 | ||
2465bf76 KG |
495 | /* Width in bits of a pointer. Mind the value of the macro `Pmode'. */ |
496 | #ifndef POINTER_SIZE | |
497 | #define POINTER_SIZE BITS_PER_WORD | |
498 | #endif | |
499 | ||
848e0190 JH |
500 | #ifndef PIC_OFFSET_TABLE_REGNUM |
501 | #define PIC_OFFSET_TABLE_REGNUM INVALID_REGNUM | |
502 | #endif | |
503 | ||
b2ca3702 MM |
504 | #ifndef TARGET_DLLIMPORT_DECL_ATTRIBUTES |
505 | #define TARGET_DLLIMPORT_DECL_ATTRIBUTES 0 | |
506 | #endif | |
507 | ||
63c5b495 | 508 | #ifndef TARGET_DECLSPEC |
b2ca3702 | 509 | #if TARGET_DLLIMPORT_DECL_ATTRIBUTES |
63c5b495 MM |
510 | /* If the target supports the "dllimport" attribute, users are |
511 | probably used to the "__declspec" syntax. */ | |
512 | #define TARGET_DECLSPEC 1 | |
513 | #else | |
514 | #define TARGET_DECLSPEC 0 | |
515 | #endif | |
516 | #endif | |
517 | ||
a9374841 MM |
518 | /* By default, the preprocessor should be invoked the same way in C++ |
519 | as in C. */ | |
520 | #ifndef CPLUSPLUS_CPP_SPEC | |
521 | #ifdef CPP_SPEC | |
522 | #define CPLUSPLUS_CPP_SPEC CPP_SPEC | |
523 | #endif | |
524 | #endif | |
525 | ||
bf501a65 RH |
526 | #ifndef ACCUMULATE_OUTGOING_ARGS |
527 | #define ACCUMULATE_OUTGOING_ARGS 0 | |
528 | #endif | |
529 | ||
530 | /* Supply a default definition for PUSH_ARGS. */ | |
531 | #ifndef PUSH_ARGS | |
532 | #ifdef PUSH_ROUNDING | |
533 | #define PUSH_ARGS !ACCUMULATE_OUTGOING_ARGS | |
534 | #else | |
535 | #define PUSH_ARGS 0 | |
536 | #endif | |
537 | #endif | |
538 | ||
9d6bef95 JM |
539 | /* Decide whether a function's arguments should be processed |
540 | from first to last or from last to first. | |
541 | ||
542 | They should if the stack and args grow in opposite directions, but | |
543 | only if we have push insns. */ | |
544 | ||
545 | #ifdef PUSH_ROUNDING | |
546 | ||
547 | #ifndef PUSH_ARGS_REVERSED | |
548 | #if defined (STACK_GROWS_DOWNWARD) != defined (ARGS_GROW_DOWNWARD) | |
549 | #define PUSH_ARGS_REVERSED PUSH_ARGS | |
550 | #endif | |
551 | #endif | |
552 | ||
553 | #endif | |
554 | ||
555 | #ifndef PUSH_ARGS_REVERSED | |
556 | #define PUSH_ARGS_REVERSED 0 | |
557 | #endif | |
558 | ||
95331614 OH |
559 | /* Default value for the alignment (in bits) a C conformant malloc has to |
560 | provide. This default is intended to be safe and always correct. */ | |
561 | #ifndef MALLOC_ABI_ALIGNMENT | |
562 | #define MALLOC_ABI_ALIGNMENT BITS_PER_WORD | |
563 | #endif | |
564 | ||
31cdd499 ZW |
565 | /* If PREFERRED_STACK_BOUNDARY is not defined, set it to STACK_BOUNDARY. |
566 | STACK_BOUNDARY is required. */ | |
567 | #ifndef PREFERRED_STACK_BOUNDARY | |
568 | #define PREFERRED_STACK_BOUNDARY STACK_BOUNDARY | |
569 | #endif | |
570 | ||
2e3f842f L |
571 | /* Set INCOMING_STACK_BOUNDARY to PREFERRED_STACK_BOUNDARY if it is not |
572 | defined. */ | |
573 | #ifndef INCOMING_STACK_BOUNDARY | |
574 | #define INCOMING_STACK_BOUNDARY PREFERRED_STACK_BOUNDARY | |
575 | #endif | |
576 | ||
467cecf3 JB |
577 | #ifndef TARGET_DEFAULT_PACK_STRUCT |
578 | #define TARGET_DEFAULT_PACK_STRUCT 0 | |
579 | #endif | |
580 | ||
67231816 | 581 | /* By default, the C++ compiler will use function addresses in the |
cc2902df | 582 | vtable entries. Setting this nonzero tells the compiler to use |
67231816 | 583 | function descriptors instead. The value of this macro says how |
f676971a | 584 | many words wide the descriptor is (normally 2). It is assumed |
67231816 RH |
585 | that the address of a function descriptor may be treated as a |
586 | pointer to a function. */ | |
587 | #ifndef TARGET_VTABLE_USES_DESCRIPTORS | |
588 | #define TARGET_VTABLE_USES_DESCRIPTORS 0 | |
589 | #endif | |
590 | ||
a6f5e048 RH |
591 | /* By default, the vtable entries are void pointers, the so the alignment |
592 | is the same as pointer alignment. The value of this macro specifies | |
593 | the alignment of the vtable entry in bits. It should be defined only | |
4b7e68e7 | 594 | when special alignment is necessary. */ |
a6f5e048 RH |
595 | #ifndef TARGET_VTABLE_ENTRY_ALIGN |
596 | #define TARGET_VTABLE_ENTRY_ALIGN POINTER_SIZE | |
597 | #endif | |
598 | ||
599 | /* There are a few non-descriptor entries in the vtable at offsets below | |
600 | zero. If these entries must be padded (say, to preserve the alignment | |
601 | specified by TARGET_VTABLE_ENTRY_ALIGN), set this to the number of | |
602 | words in each data entry. */ | |
603 | #ifndef TARGET_VTABLE_DATA_ENTRY_DISTANCE | |
604 | #define TARGET_VTABLE_DATA_ENTRY_DISTANCE 1 | |
605 | #endif | |
606 | ||
4a77e08c DS |
607 | /* Decide whether it is safe to use a local alias for a virtual function |
608 | when constructing thunks. */ | |
609 | #ifndef TARGET_USE_LOCAL_THUNK_ALIAS_P | |
610 | #ifdef ASM_OUTPUT_DEF | |
611 | #define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) 1 | |
612 | #else | |
613 | #define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) 0 | |
614 | #endif | |
615 | #endif | |
616 | ||
2a1ee410 RH |
617 | /* Select a format to encode pointers in exception handling data. We |
618 | prefer those that result in fewer dynamic relocations. Assume no | |
619 | special support here and encode direct references. */ | |
620 | #ifndef ASM_PREFERRED_EH_DATA_FORMAT | |
621 | #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) DW_EH_PE_absptr | |
622 | #endif | |
623 | ||
f3c55c97 AO |
624 | /* By default, the C++ compiler will use the lowest bit of the pointer |
625 | to function to indicate a pointer-to-member-function points to a | |
626 | virtual member function. However, if FUNCTION_BOUNDARY indicates | |
627 | function addresses aren't always even, the lowest bit of the delta | |
628 | field will be used. */ | |
629 | #ifndef TARGET_PTRMEMFUNC_VBIT_LOCATION | |
630 | #define TARGET_PTRMEMFUNC_VBIT_LOCATION \ | |
631 | (FUNCTION_BOUNDARY >= 2 * BITS_PER_UNIT \ | |
632 | ? ptrmemfunc_vbit_in_pfn : ptrmemfunc_vbit_in_delta) | |
633 | #endif | |
634 | ||
5f0e9ea2 GK |
635 | #ifndef DEFAULT_GDB_EXTENSIONS |
636 | #define DEFAULT_GDB_EXTENSIONS 1 | |
637 | #endif | |
638 | ||
639 | /* If more than one debugging type is supported, you must define | |
f8ca7e49 | 640 | PREFERRED_DEBUGGING_TYPE to choose the default. */ |
5f0e9ea2 | 641 | |
f8ca7e49 ZW |
642 | #if 1 < (defined (DBX_DEBUGGING_INFO) + defined (SDB_DEBUGGING_INFO) \ |
643 | + defined (DWARF2_DEBUGGING_INFO) + defined (XCOFF_DEBUGGING_INFO) \ | |
644 | + defined (VMS_DEBUGGING_INFO)) | |
5f0e9ea2 | 645 | #ifndef PREFERRED_DEBUGGING_TYPE |
f8ca7e49 | 646 | #error You must define PREFERRED_DEBUGGING_TYPE |
5f0e9ea2 | 647 | #endif /* no PREFERRED_DEBUGGING_TYPE */ |
f8ca7e49 ZW |
648 | |
649 | /* If only one debugging format is supported, define PREFERRED_DEBUGGING_TYPE | |
650 | here so other code needn't care. */ | |
651 | #elif defined DBX_DEBUGGING_INFO | |
5f0e9ea2 | 652 | #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG |
f8ca7e49 ZW |
653 | |
654 | #elif defined SDB_DEBUGGING_INFO | |
5f0e9ea2 | 655 | #define PREFERRED_DEBUGGING_TYPE SDB_DEBUG |
f8ca7e49 ZW |
656 | |
657 | #elif defined DWARF2_DEBUGGING_INFO | |
5f0e9ea2 | 658 | #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG |
f8ca7e49 ZW |
659 | |
660 | #elif defined VMS_DEBUGGING_INFO | |
7a0c8d71 | 661 | #define PREFERRED_DEBUGGING_TYPE VMS_AND_DWARF2_DEBUG |
f8ca7e49 ZW |
662 | |
663 | #elif defined XCOFF_DEBUGGING_INFO | |
5f0e9ea2 | 664 | #define PREFERRED_DEBUGGING_TYPE XCOFF_DEBUG |
5f0e9ea2 | 665 | |
f8ca7e49 ZW |
666 | #else |
667 | /* No debugging format is supported by this target. */ | |
5f0e9ea2 GK |
668 | #define PREFERRED_DEBUGGING_TYPE NO_DEBUG |
669 | #endif | |
670 | ||
3fcaac1d RS |
671 | #ifndef LARGEST_EXPONENT_IS_NORMAL |
672 | #define LARGEST_EXPONENT_IS_NORMAL(SIZE) 0 | |
673 | #endif | |
674 | ||
675 | #ifndef ROUND_TOWARDS_ZERO | |
676 | #define ROUND_TOWARDS_ZERO 0 | |
677 | #endif | |
678 | ||
c15c90bb ZW |
679 | #ifndef FLOAT_LIB_COMPARE_RETURNS_BOOL |
680 | #define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) false | |
681 | #endif | |
682 | ||
6cb38cd4 | 683 | /* True if the targets integer-comparison functions return { 0, 1, 2 |
b3f8d95d MM |
684 | } to indicate { <, ==, > }. False if { -1, 0, 1 } is used |
685 | instead. The libgcc routines are biased. */ | |
686 | #ifndef TARGET_LIB_INT_CMP_BIASED | |
687 | #define TARGET_LIB_INT_CMP_BIASED (true) | |
688 | #endif | |
689 | ||
2d295af5 ZW |
690 | /* If FLOAT_WORDS_BIG_ENDIAN is not defined in the header files, |
691 | then the word-endianness is the same as for integers. */ | |
efdc7e19 RH |
692 | #ifndef FLOAT_WORDS_BIG_ENDIAN |
693 | #define FLOAT_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN | |
694 | #endif | |
695 | ||
8ce94e44 JM |
696 | #ifdef TARGET_FLT_EVAL_METHOD |
697 | #define TARGET_FLT_EVAL_METHOD_NON_DEFAULT 1 | |
698 | #else | |
d57a4b98 | 699 | #define TARGET_FLT_EVAL_METHOD 0 |
8ce94e44 | 700 | #define TARGET_FLT_EVAL_METHOD_NON_DEFAULT 0 |
d57a4b98 RH |
701 | #endif |
702 | ||
9a8ce21f JG |
703 | #ifndef TARGET_DEC_EVAL_METHOD |
704 | #define TARGET_DEC_EVAL_METHOD 2 | |
705 | #endif | |
706 | ||
194734e9 | 707 | #ifndef HOT_TEXT_SECTION_NAME |
3a4bdd05 | 708 | #define HOT_TEXT_SECTION_NAME ".text.hot" |
194734e9 JH |
709 | #endif |
710 | ||
711 | #ifndef UNLIKELY_EXECUTED_TEXT_SECTION_NAME | |
3a4bdd05 | 712 | #define UNLIKELY_EXECUTED_TEXT_SECTION_NAME ".text.unlikely" |
194734e9 JH |
713 | #endif |
714 | ||
750054a2 CT |
715 | #ifndef HAS_LONG_COND_BRANCH |
716 | #define HAS_LONG_COND_BRANCH 0 | |
717 | #endif | |
718 | ||
719 | #ifndef HAS_LONG_UNCOND_BRANCH | |
720 | #define HAS_LONG_UNCOND_BRANCH 0 | |
721 | #endif | |
722 | ||
c4336539 PB |
723 | /* By default, only attempt to parallelize bitwise operations, and |
724 | possibly adds/subtracts using bit-twiddling. */ | |
79fe1b3b | 725 | #ifndef UNITS_PER_SIMD_WORD |
9d3a9de1 | 726 | #define UNITS_PER_SIMD_WORD(MODE) UNITS_PER_WORD |
79fe1b3b DN |
727 | #endif |
728 | ||
4bafaa6f | 729 | /* Determine whether __cxa_atexit, rather than atexit, is used to |
4b7e68e7 | 730 | register C++ destructors for local statics and global objects. */ |
4bafaa6f L |
731 | #ifndef DEFAULT_USE_CXA_ATEXIT |
732 | #define DEFAULT_USE_CXA_ATEXIT 0 | |
733 | #endif | |
734 | ||
f38840db ZW |
735 | /* If none of these macros are defined, the port must use the new |
736 | technique of defining constraints in the machine description. | |
737 | tm_p.h will define those macros that machine-independent code | |
738 | still uses. */ | |
739 | #if !defined CONSTRAINT_LEN \ | |
740 | && !defined REG_CLASS_FROM_LETTER \ | |
741 | && !defined REG_CLASS_FROM_CONSTRAINT \ | |
742 | && !defined CONST_OK_FOR_LETTER_P \ | |
743 | && !defined CONST_OK_FOR_CONSTRAINT_P \ | |
744 | && !defined CONST_DOUBLE_OK_FOR_LETTER_P \ | |
745 | && !defined CONST_DOUBLE_OK_FOR_CONSTRAINT_P \ | |
746 | && !defined EXTRA_CONSTRAINT \ | |
747 | && !defined EXTRA_CONSTRAINT_STR \ | |
748 | && !defined EXTRA_MEMORY_CONSTRAINT \ | |
749 | && !defined EXTRA_ADDRESS_CONSTRAINT | |
750 | ||
751 | #define USE_MD_CONSTRAINTS | |
752 | ||
753 | #if GCC_VERSION >= 3000 && defined IN_GCC | |
754 | /* These old constraint macros shouldn't appear anywhere in a | |
755 | configuration using MD constraint definitions. */ | |
756 | #pragma GCC poison REG_CLASS_FROM_LETTER CONST_OK_FOR_LETTER_P \ | |
757 | CONST_DOUBLE_OK_FOR_LETTER_P EXTRA_CONSTRAINT | |
758 | #endif | |
759 | ||
760 | #else /* old constraint mechanism in use */ | |
761 | ||
ccfc6cc8 UW |
762 | /* Determine whether extra constraint letter should be handled |
763 | via address reload (like 'o'). */ | |
764 | #ifndef EXTRA_MEMORY_CONSTRAINT | |
97488870 | 765 | #define EXTRA_MEMORY_CONSTRAINT(C,STR) 0 |
ccfc6cc8 UW |
766 | #endif |
767 | ||
768 | /* Determine whether extra constraint letter should be handled | |
769 | as an address (like 'p'). */ | |
770 | #ifndef EXTRA_ADDRESS_CONSTRAINT | |
97488870 R |
771 | #define EXTRA_ADDRESS_CONSTRAINT(C,STR) 0 |
772 | #endif | |
773 | ||
774 | /* When a port defines CONSTRAINT_LEN, it should use DEFAULT_CONSTRAINT_LEN | |
775 | for all the characters that it does not want to change, so things like the | |
776 | 'length' of a digit in a matching constraint is an implementation detail, | |
777 | and not part of the interface. */ | |
778 | #define DEFAULT_CONSTRAINT_LEN(C,STR) 1 | |
779 | ||
780 | #ifndef CONSTRAINT_LEN | |
781 | #define CONSTRAINT_LEN(C,STR) DEFAULT_CONSTRAINT_LEN (C, STR) | |
782 | #endif | |
783 | ||
784 | #if defined (CONST_OK_FOR_LETTER_P) && ! defined (CONST_OK_FOR_CONSTRAINT_P) | |
785 | #define CONST_OK_FOR_CONSTRAINT_P(VAL,C,STR) CONST_OK_FOR_LETTER_P (VAL, C) | |
786 | #endif | |
787 | ||
788 | #if defined (CONST_DOUBLE_OK_FOR_LETTER_P) && ! defined (CONST_DOUBLE_OK_FOR_CONSTRAINT_P) | |
789 | #define CONST_DOUBLE_OK_FOR_CONSTRAINT_P(OP,C,STR) \ | |
790 | CONST_DOUBLE_OK_FOR_LETTER_P (OP, C) | |
791 | #endif | |
792 | ||
3ff5ef1b | 793 | #ifndef REG_CLASS_FROM_CONSTRAINT |
97488870 | 794 | #define REG_CLASS_FROM_CONSTRAINT(C,STR) REG_CLASS_FROM_LETTER (C) |
3ff5ef1b | 795 | #endif |
97488870 R |
796 | |
797 | #if defined (EXTRA_CONSTRAINT) && ! defined (EXTRA_CONSTRAINT_STR) | |
798 | #define EXTRA_CONSTRAINT_STR(OP, C,STR) EXTRA_CONSTRAINT (OP, C) | |
ccfc6cc8 UW |
799 | #endif |
800 | ||
f38840db ZW |
801 | #endif /* old constraint mechanism in use */ |
802 | ||
37706dd1 HPN |
803 | #ifndef REGISTER_MOVE_COST |
804 | #define REGISTER_MOVE_COST(m, x, y) 2 | |
805 | #endif | |
806 | ||
3f117656 | 807 | /* Determine whether the entire c99 runtime |
272f51a3 JH |
808 | is present in the runtime library. */ |
809 | #ifndef TARGET_C99_FUNCTIONS | |
810 | #define TARGET_C99_FUNCTIONS 0 | |
811 | #endif | |
812 | ||
006339cd RG |
813 | /* Determine whether the target runtime library has |
814 | a sincos implementation following the GNU extension. */ | |
815 | #ifndef TARGET_HAS_SINCOS | |
816 | #define TARGET_HAS_SINCOS 0 | |
817 | #endif | |
818 | ||
7dba8395 | 819 | /* Indicate that CLZ and CTZ are undefined at zero. */ |
f676971a | 820 | #ifndef CLZ_DEFINED_VALUE_AT_ZERO |
7dba8395 RH |
821 | #define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) 0 |
822 | #endif | |
f676971a | 823 | #ifndef CTZ_DEFINED_VALUE_AT_ZERO |
7dba8395 RH |
824 | #define CTZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) 0 |
825 | #endif | |
826 | ||
06f31100 RS |
827 | /* Provide a default value for STORE_FLAG_VALUE. */ |
828 | #ifndef STORE_FLAG_VALUE | |
829 | #define STORE_FLAG_VALUE 1 | |
830 | #endif | |
831 | ||
436bcda1 GK |
832 | /* This macro is used to determine what the largest unit size that |
833 | move_by_pieces can use is. */ | |
834 | ||
835 | /* MOVE_MAX_PIECES is the number of bytes at a time which we can | |
836 | move efficiently, as opposed to MOVE_MAX which is the maximum | |
837 | number of bytes we can move with a single instruction. */ | |
838 | ||
839 | #ifndef MOVE_MAX_PIECES | |
840 | #define MOVE_MAX_PIECES MOVE_MAX | |
841 | #endif | |
842 | ||
a594a19c GK |
843 | #ifndef STACK_POINTER_OFFSET |
844 | #define STACK_POINTER_OFFSET 0 | |
845 | #endif | |
846 | ||
cca8fb0e KH |
847 | #ifndef LOCAL_REGNO |
848 | #define LOCAL_REGNO(REGNO) 0 | |
849 | #endif | |
850 | ||
9d05bbce KH |
851 | /* EXIT_IGNORE_STACK should be nonzero if, when returning from a function, |
852 | the stack pointer does not matter. The value is tested only in | |
853 | functions that have frame pointers. */ | |
854 | #ifndef EXIT_IGNORE_STACK | |
855 | #define EXIT_IGNORE_STACK 0 | |
856 | #endif | |
857 | ||
0ede749d KH |
858 | /* Assume that case vectors are not pc-relative. */ |
859 | #ifndef CASE_VECTOR_PC_RELATIVE | |
860 | #define CASE_VECTOR_PC_RELATIVE 0 | |
861 | #endif | |
862 | ||
6de9cd9a DN |
863 | /* Assume that trampolines need function alignment. */ |
864 | #ifndef TRAMPOLINE_ALIGNMENT | |
865 | #define TRAMPOLINE_ALIGNMENT FUNCTION_BOUNDARY | |
866 | #endif | |
867 | ||
d220de0e KH |
868 | /* Register mappings for target machines without register windows. */ |
869 | #ifndef INCOMING_REGNO | |
870 | #define INCOMING_REGNO(N) (N) | |
871 | #endif | |
872 | ||
873 | #ifndef OUTGOING_REGNO | |
874 | #define OUTGOING_REGNO(N) (N) | |
875 | #endif | |
876 | ||
bee07d3f KH |
877 | #ifndef SHIFT_COUNT_TRUNCATED |
878 | #define SHIFT_COUNT_TRUNCATED 0 | |
879 | #endif | |
880 | ||
2e4e72b1 ZW |
881 | #ifndef LEGITIMATE_PIC_OPERAND_P |
882 | #define LEGITIMATE_PIC_OPERAND_P(X) 1 | |
883 | #endif | |
884 | ||
a4edaf83 AK |
885 | #ifndef TARGET_MEM_CONSTRAINT |
886 | #define TARGET_MEM_CONSTRAINT 'm' | |
887 | #endif | |
888 | ||
1f8551b2 KH |
889 | #ifndef REVERSIBLE_CC_MODE |
890 | #define REVERSIBLE_CC_MODE(MODE) 0 | |
891 | #endif | |
892 | ||
07e15286 DE |
893 | /* Biggest alignment supported by the object file format of this machine. */ |
894 | #ifndef MAX_OFILE_ALIGNMENT | |
895 | #define MAX_OFILE_ALIGNMENT BIGGEST_ALIGNMENT | |
896 | #endif | |
897 | ||
f62c8a5c JJ |
898 | #ifndef FRAME_GROWS_DOWNWARD |
899 | #define FRAME_GROWS_DOWNWARD 0 | |
900 | #endif | |
901 | ||
30e6f306 RH |
902 | /* On most machines, the CFA coincides with the first incoming parm. */ |
903 | #ifndef ARG_POINTER_CFA_OFFSET | |
904 | #define ARG_POINTER_CFA_OFFSET(FNDECL) FIRST_PARM_OFFSET (FNDECL) | |
905 | #endif | |
906 | ||
35d177a2 AO |
907 | /* On most machines, we use the CFA as DW_AT_frame_base. */ |
908 | #ifndef CFA_FRAME_BASE_OFFSET | |
909 | #define CFA_FRAME_BASE_OFFSET(FNDECL) 0 | |
910 | #endif | |
911 | ||
30e6f306 RH |
912 | /* The offset from the incoming value of %sp to the top of the stack frame |
913 | for the current function. */ | |
914 | #ifndef INCOMING_FRAME_SP_OFFSET | |
915 | #define INCOMING_FRAME_SP_OFFSET 0 | |
916 | #endif | |
917 | ||
8521c414 JM |
918 | #ifndef HARD_REGNO_NREGS_HAS_PADDING |
919 | #define HARD_REGNO_NREGS_HAS_PADDING(REGNO, MODE) 0 | |
920 | #define HARD_REGNO_NREGS_WITH_PADDING(REGNO, MODE) -1 | |
921 | #endif | |
922 | ||
ac294f0b | 923 | #ifndef OUTGOING_REG_PARM_STACK_SPACE |
81464b2c | 924 | #define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 0 |
ac294f0b KT |
925 | #endif |
926 | ||
2e3f842f L |
927 | /* MAX_STACK_ALIGNMENT is the maximum stack alignment guaranteed by |
928 | the backend. MAX_SUPPORTED_STACK_ALIGNMENT is the maximum best | |
929 | effort stack alignment supported by the backend. If the backend | |
930 | supports stack alignment, MAX_SUPPORTED_STACK_ALIGNMENT and | |
931 | MAX_STACK_ALIGNMENT are the same. Otherwise, the incoming stack | |
932 | boundary will limit the maximum guaranteed stack alignment. */ | |
933 | #ifdef MAX_STACK_ALIGNMENT | |
934 | #define MAX_SUPPORTED_STACK_ALIGNMENT MAX_STACK_ALIGNMENT | |
935 | #else | |
936 | #define MAX_STACK_ALIGNMENT STACK_BOUNDARY | |
937 | #define MAX_SUPPORTED_STACK_ALIGNMENT PREFERRED_STACK_BOUNDARY | |
938 | #endif | |
939 | ||
940 | #define SUPPORTS_STACK_ALIGNMENT (MAX_STACK_ALIGNMENT > STACK_BOUNDARY) | |
941 | ||
76fe54f0 L |
942 | #ifndef LOCAL_ALIGNMENT |
943 | #define LOCAL_ALIGNMENT(TYPE, ALIGNMENT) ALIGNMENT | |
944 | #endif | |
945 | ||
946 | #ifndef STACK_SLOT_ALIGNMENT | |
947 | #define STACK_SLOT_ALIGNMENT(TYPE,MODE,ALIGN) \ | |
948 | ((TYPE) ? LOCAL_ALIGNMENT ((TYPE), (ALIGN)) : (ALIGN)) | |
949 | #endif | |
950 | ||
9bfaf89d JJ |
951 | #ifndef LOCAL_DECL_ALIGNMENT |
952 | #define LOCAL_DECL_ALIGNMENT(DECL) \ | |
953 | LOCAL_ALIGNMENT (TREE_TYPE (DECL), DECL_ALIGN (DECL)) | |
954 | #endif | |
955 | ||
6e4f1168 L |
956 | /* Alignment value for attribute ((aligned)). */ |
957 | #ifndef ATTRIBUTE_ALIGNED_VALUE | |
958 | #define ATTRIBUTE_ALIGNED_VALUE BIGGEST_ALIGNMENT | |
959 | #endif | |
960 | ||
3ad606bc PB |
961 | /* Many ports have no mode-dependent addresses (except possibly autoincrement |
962 | and autodecrement addresses, which are handled by target-independent code | |
963 | in recog.c). */ | |
964 | #ifndef GO_IF_MODE_DEPENDENT_ADDRESS | |
965 | #define GO_IF_MODE_DEPENDENT_ADDRESS(X, WIN) | |
966 | #endif | |
967 | ||
aea88c05 AS |
968 | #ifndef FRAME_POINTER_REQUIRED |
969 | #define FRAME_POINTER_REQUIRED false | |
970 | #endif | |
971 | ||
88657302 | 972 | #endif /* ! GCC_DEFAULTS_H */ |