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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, |
677f3fa8 | 3 | 2005, 2007, 2008, 2009, 2010, 2011 |
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 | ||
ded49a7f RH |
31 | /* How to start an assembler comment. */ |
32 | #ifndef ASM_COMMENT_START | |
33 | #define ASM_COMMENT_START ";#" | |
34 | #endif | |
35 | ||
4977bab6 ZW |
36 | /* Store in OUTPUT a string (made with alloca) containing an |
37 | assembler-name for a local static variable or function named NAME. | |
7b73db04 CH |
38 | LABELNO is an integer which is different for each call. */ |
39 | ||
4977bab6 ZW |
40 | #ifndef ASM_PN_FORMAT |
41 | # ifndef NO_DOT_IN_LABEL | |
42 | # define ASM_PN_FORMAT "%s.%lu" | |
43 | # else | |
44 | # ifndef NO_DOLLAR_IN_LABEL | |
45 | # define ASM_PN_FORMAT "%s$%lu" | |
46 | # else | |
47 | # define ASM_PN_FORMAT "__%s_%lu" | |
48 | # endif | |
49 | # endif | |
50 | #endif /* ! ASM_PN_FORMAT */ | |
51 | ||
7b73db04 | 52 | #ifndef ASM_FORMAT_PRIVATE_NAME |
4977bab6 ZW |
53 | # define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \ |
54 | do { const char *const name_ = (NAME); \ | |
28dab132 BI |
55 | char *const output_ = (OUTPUT) = \ |
56 | (char *) alloca (strlen (name_) + 32); \ | |
4977bab6 | 57 | sprintf (output_, ASM_PN_FORMAT, name_, (unsigned long)(LABELNO)); \ |
7b73db04 CH |
58 | } while (0) |
59 | #endif | |
60 | ||
e0a21ab9 | 61 | /* Choose a reasonable default for ASM_OUTPUT_ASCII. */ |
c53a8ab6 RS |
62 | |
63 | #ifndef ASM_OUTPUT_ASCII | |
64 | #define ASM_OUTPUT_ASCII(MYFILE, MYSTRING, MYLENGTH) \ | |
65 | do { \ | |
66 | FILE *_hide_asm_out_file = (MYFILE); \ | |
47ee9bcb | 67 | const unsigned char *_hide_p = (const unsigned char *) (MYSTRING); \ |
c53a8ab6 RS |
68 | int _hide_thissize = (MYLENGTH); \ |
69 | { \ | |
70 | FILE *asm_out_file = _hide_asm_out_file; \ | |
47ee9bcb | 71 | const unsigned char *p = _hide_p; \ |
c53a8ab6 RS |
72 | int thissize = _hide_thissize; \ |
73 | int i; \ | |
74 | fprintf (asm_out_file, "\t.ascii \""); \ | |
75 | \ | |
76 | for (i = 0; i < thissize; i++) \ | |
77 | { \ | |
b3694847 | 78 | int c = p[i]; \ |
c53a8ab6 RS |
79 | if (c == '\"' || c == '\\') \ |
80 | putc ('\\', asm_out_file); \ | |
5f6d3823 | 81 | if (ISPRINT(c)) \ |
c53a8ab6 RS |
82 | putc (c, asm_out_file); \ |
83 | else \ | |
84 | { \ | |
85 | fprintf (asm_out_file, "\\%o", c); \ | |
86 | /* After an octal-escape, if a digit follows, \ | |
87 | terminate one string constant and start another. \ | |
8aeea6e6 | 88 | The VAX assembler fails to stop reading the escape \ |
c53a8ab6 RS |
89 | after three digits, so this is the only way we \ |
90 | can get it to parse the data properly. */ \ | |
d07ecc3b | 91 | if (i < thissize - 1 && ISDIGIT(p[i + 1])) \ |
c53a8ab6 RS |
92 | fprintf (asm_out_file, "\"\n\t.ascii \""); \ |
93 | } \ | |
94 | } \ | |
95 | fprintf (asm_out_file, "\"\n"); \ | |
96 | } \ | |
97 | } \ | |
98 | while (0) | |
99 | #endif | |
d0d4af87 | 100 | |
650f773a JW |
101 | /* This is how we tell the assembler to equate two values. */ |
102 | #ifdef SET_ASM_OP | |
103 | #ifndef ASM_OUTPUT_DEF | |
104 | #define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \ | |
e8638df0 | 105 | do { fprintf ((FILE), "%s", SET_ASM_OP); \ |
650f773a JW |
106 | assemble_name (FILE, LABEL1); \ |
107 | fprintf (FILE, ","); \ | |
108 | assemble_name (FILE, LABEL2); \ | |
109 | fprintf (FILE, "\n"); \ | |
110 | } while (0) | |
111 | #endif | |
112 | #endif | |
daefd78b | 113 | |
ba885ec5 NS |
114 | #ifndef IFUNC_ASM_TYPE |
115 | #define IFUNC_ASM_TYPE "gnu_indirect_function" | |
116 | #endif | |
117 | ||
f1c26cad RO |
118 | #ifndef TLS_COMMON_ASM_OP |
119 | #define TLS_COMMON_ASM_OP ".tls_common" | |
120 | #endif | |
121 | ||
a13e882c JJ |
122 | #if defined (HAVE_AS_TLS) && !defined (ASM_OUTPUT_TLS_COMMON) |
123 | #define ASM_OUTPUT_TLS_COMMON(FILE, DECL, NAME, SIZE) \ | |
124 | do \ | |
125 | { \ | |
f1c26cad | 126 | fprintf ((FILE), "\t%s\t", TLS_COMMON_ASM_OP); \ |
a13e882c JJ |
127 | assemble_name ((FILE), (NAME)); \ |
128 | fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ | |
129 | (SIZE), DECL_ALIGN (DECL) / BITS_PER_UNIT); \ | |
130 | } \ | |
131 | while (0) | |
132 | #endif | |
133 | ||
083b6717 JDA |
134 | /* Decide whether to defer emitting the assembler output for an equate |
135 | of two values. The default is to not defer output. */ | |
136 | #ifndef TARGET_DEFERRED_OUTPUT_DEFS | |
137 | #define TARGET_DEFERRED_OUTPUT_DEFS(DECL,TARGET) false | |
138 | #endif | |
139 | ||
4ad5e05d | 140 | /* This is how to output the definition of a user-level label named |
135a687e | 141 | NAME, such as the label on variable NAME. */ |
4ad5e05d KG |
142 | |
143 | #ifndef ASM_OUTPUT_LABEL | |
144 | #define ASM_OUTPUT_LABEL(FILE,NAME) \ | |
145 | do { assemble_name ((FILE), (NAME)); fputs (":\n", (FILE)); } while (0) | |
146 | #endif | |
147 | ||
135a687e KT |
148 | /* This is how to output the definition of a user-level label named |
149 | NAME, such as the label on a function. */ | |
150 | ||
151 | #ifndef ASM_OUTPUT_FUNCTION_LABEL | |
152 | #define ASM_OUTPUT_FUNCTION_LABEL(FILE, NAME, DECL) \ | |
153 | ASM_OUTPUT_LABEL ((FILE), (NAME)) | |
154 | #endif | |
155 | ||
57829bc4 MM |
156 | /* Output the definition of a compiler-generated label named NAME. */ |
157 | #ifndef ASM_OUTPUT_INTERNAL_LABEL | |
158 | #define ASM_OUTPUT_INTERNAL_LABEL(FILE,NAME) \ | |
159 | do { \ | |
160 | assemble_name_raw ((FILE), (NAME)); \ | |
161 | fputs (":\n", (FILE)); \ | |
162 | } while (0) | |
163 | #endif | |
164 | ||
81d77cda RK |
165 | /* This is how to output a reference to a user-level label named NAME. */ |
166 | ||
167 | #ifndef ASM_OUTPUT_LABELREF | |
19283265 | 168 | #define ASM_OUTPUT_LABELREF(FILE,NAME) asm_fprintf ((FILE), "%U%s", (NAME)) |
81d77cda RK |
169 | #endif |
170 | ||
8215347e JW |
171 | /* Allow target to print debug info labels specially. This is useful for |
172 | VLIW targets, since debug info labels should go into the middle of | |
173 | instruction bundles instead of breaking them. */ | |
174 | ||
175 | #ifndef ASM_OUTPUT_DEBUG_LABEL | |
176 | #define ASM_OUTPUT_DEBUG_LABEL(FILE, PREFIX, NUM) \ | |
4977bab6 | 177 | (*targetm.asm_out.internal_label) (FILE, PREFIX, NUM) |
8215347e JW |
178 | #endif |
179 | ||
3aa8ab7b | 180 | /* This is how we tell the assembler that a symbol is weak. */ |
20c93f7c RO |
181 | #ifndef ASM_OUTPUT_WEAK_ALIAS |
182 | #if defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_DEF) | |
3aa8ab7b L |
183 | #define ASM_OUTPUT_WEAK_ALIAS(STREAM, NAME, VALUE) \ |
184 | do \ | |
185 | { \ | |
186 | ASM_WEAKEN_LABEL (STREAM, NAME); \ | |
187 | if (VALUE) \ | |
188 | ASM_OUTPUT_DEF (STREAM, NAME, VALUE); \ | |
189 | } \ | |
190 | while (0) | |
a0203ca7 AO |
191 | #endif |
192 | #endif | |
193 | ||
194 | /* This is how we tell the assembler that a symbol is a weak alias to | |
195 | another symbol that doesn't require the other symbol to be defined. | |
196 | Uses of the former will turn into weak uses of the latter, i.e., | |
197 | uses that, in case the latter is undefined, will not cause errors, | |
198 | and will add it to the symbol table as weak undefined. However, if | |
199 | the latter is referenced directly, a strong reference prevails. */ | |
200 | #ifndef ASM_OUTPUT_WEAKREF | |
201 | #if defined HAVE_GAS_WEAKREF | |
ff2d10c1 | 202 | #define ASM_OUTPUT_WEAKREF(FILE, DECL, NAME, VALUE) \ |
a0203ca7 AO |
203 | do \ |
204 | { \ | |
205 | fprintf ((FILE), "\t.weakref\t"); \ | |
206 | assemble_name ((FILE), (NAME)); \ | |
207 | fprintf ((FILE), ","); \ | |
208 | assemble_name ((FILE), (VALUE)); \ | |
209 | fprintf ((FILE), "\n"); \ | |
210 | } \ | |
211 | while (0) | |
3aa8ab7b | 212 | #endif |
20c93f7c | 213 | #endif |
3aa8ab7b | 214 | |
2be2ac70 ZW |
215 | /* How to emit a .type directive. */ |
216 | #ifndef ASM_OUTPUT_TYPE_DIRECTIVE | |
217 | #if defined TYPE_ASM_OP && defined TYPE_OPERAND_FMT | |
218 | #define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE) \ | |
219 | do \ | |
220 | { \ | |
221 | fputs (TYPE_ASM_OP, STREAM); \ | |
222 | assemble_name (STREAM, NAME); \ | |
223 | fputs (", ", STREAM); \ | |
224 | fprintf (STREAM, TYPE_OPERAND_FMT, TYPE); \ | |
225 | putc ('\n', STREAM); \ | |
226 | } \ | |
227 | while (0) | |
228 | #endif | |
229 | #endif | |
230 | ||
231 | /* How to emit a .size directive. */ | |
232 | #ifndef ASM_OUTPUT_SIZE_DIRECTIVE | |
233 | #ifdef SIZE_ASM_OP | |
234 | #define ASM_OUTPUT_SIZE_DIRECTIVE(STREAM, NAME, SIZE) \ | |
235 | do \ | |
236 | { \ | |
237 | HOST_WIDE_INT size_ = (SIZE); \ | |
238 | fputs (SIZE_ASM_OP, STREAM); \ | |
239 | assemble_name (STREAM, NAME); \ | |
90ff44cf | 240 | fprintf (STREAM, ", " HOST_WIDE_INT_PRINT_DEC "\n", size_); \ |
2be2ac70 ZW |
241 | } \ |
242 | while (0) | |
243 | ||
99086d59 | 244 | #define ASM_OUTPUT_MEASURED_SIZE(STREAM, NAME) \ |
2be2ac70 ZW |
245 | do \ |
246 | { \ | |
247 | fputs (SIZE_ASM_OP, STREAM); \ | |
99086d59 ZW |
248 | assemble_name (STREAM, NAME); \ |
249 | fputs (", .-", STREAM); \ | |
250 | assemble_name (STREAM, NAME); \ | |
2be2ac70 ZW |
251 | putc ('\n', STREAM); \ |
252 | } \ | |
253 | while (0) | |
254 | ||
255 | #endif | |
256 | #endif | |
257 | ||
74b90fe2 JDA |
258 | /* This determines whether or not we support weak symbols. SUPPORTS_WEAK |
259 | must be a preprocessor constant. */ | |
daefd78b | 260 | #ifndef SUPPORTS_WEAK |
79c4e63f | 261 | #if defined (ASM_WEAKEN_LABEL) || defined (ASM_WEAKEN_DECL) |
daefd78b JM |
262 | #define SUPPORTS_WEAK 1 |
263 | #else | |
264 | #define SUPPORTS_WEAK 0 | |
265 | #endif | |
266 | #endif | |
a6ab3aad | 267 | |
74b90fe2 JDA |
268 | /* This determines whether or not we support weak symbols during target |
269 | code generation. TARGET_SUPPORTS_WEAK can be any valid C expression. */ | |
270 | #ifndef TARGET_SUPPORTS_WEAK | |
271 | #define TARGET_SUPPORTS_WEAK (SUPPORTS_WEAK) | |
272 | #endif | |
273 | ||
ed5ef2e4 CC |
274 | /* This determines whether or not we support the discriminator |
275 | attribute in the .loc directive. */ | |
276 | #ifndef SUPPORTS_DISCRIMINATOR | |
277 | #ifdef HAVE_GAS_DISCRIMINATOR | |
278 | #define SUPPORTS_DISCRIMINATOR 1 | |
279 | #else | |
280 | #define SUPPORTS_DISCRIMINATOR 0 | |
281 | #endif | |
282 | #endif | |
283 | ||
1ca894a0 MM |
284 | /* This determines whether or not we support link-once semantics. */ |
285 | #ifndef SUPPORTS_ONE_ONLY | |
286 | #ifdef MAKE_DECL_ONE_ONLY | |
287 | #define SUPPORTS_ONE_ONLY 1 | |
288 | #else | |
289 | #define SUPPORTS_ONE_ONLY 0 | |
290 | #endif | |
291 | #endif | |
292 | ||
0524c91d MA |
293 | /* This determines whether weak symbols must be left out of a static |
294 | archive's table of contents. Defining this macro to be nonzero has | |
295 | the consequence that certain symbols will not be made weak that | |
296 | otherwise would be. The C++ ABI requires this macro to be zero; | |
8c27b7d4 | 297 | see the documentation. */ |
0524c91d MA |
298 | #ifndef TARGET_WEAK_NOT_IN_ARCHIVE_TOC |
299 | #define TARGET_WEAK_NOT_IN_ARCHIVE_TOC 0 | |
4746cf84 MA |
300 | #endif |
301 | ||
ea4b7848 | 302 | /* This determines whether or not we need linkonce unwind information. */ |
4746cf84 MA |
303 | #ifndef TARGET_USES_WEAK_UNWIND_INFO |
304 | #define TARGET_USES_WEAK_UNWIND_INFO 0 | |
305 | #endif | |
306 | ||
d48fd218 ZW |
307 | /* By default, there is no prefix on user-defined symbols. */ |
308 | #ifndef USER_LABEL_PREFIX | |
309 | #define USER_LABEL_PREFIX "" | |
310 | #endif | |
311 | ||
8f08ea1e | 312 | /* If the target supports weak symbols, define TARGET_ATTRIBUTE_WEAK to |
f676971a | 313 | provide a weak attribute. Else define it to nothing. |
8f08ea1e | 314 | |
d02af173 | 315 | This would normally belong in ansidecl.h, but SUPPORTS_WEAK is |
8f08ea1e L |
316 | not available at that time. |
317 | ||
318 | Note, this is only for use by target files which we know are to be | |
319 | compiled by GCC. */ | |
320 | #ifndef TARGET_ATTRIBUTE_WEAK | |
321 | # if SUPPORTS_WEAK | |
322 | # define TARGET_ATTRIBUTE_WEAK __attribute__ ((weak)) | |
323 | # else | |
324 | # define TARGET_ATTRIBUTE_WEAK | |
325 | # endif | |
326 | #endif | |
327 | ||
4746cf84 | 328 | /* Determines whether we may use common symbols to represent one-only |
9cf737f8 | 329 | semantics (a.k.a. "vague linkage"). */ |
4746cf84 MA |
330 | #ifndef USE_COMMON_FOR_ONE_ONLY |
331 | # define USE_COMMON_FOR_ONE_ONLY 1 | |
332 | #endif | |
333 | ||
15072eb1 ZW |
334 | /* By default we can assume that all global symbols are in one namespace, |
335 | across all shared libraries. */ | |
336 | #ifndef MULTIPLE_SYMBOL_SPACES | |
337 | # define MULTIPLE_SYMBOL_SPACES 0 | |
338 | #endif | |
4746cf84 | 339 | |
ea4f1fce JO |
340 | /* If the target supports init_priority C++ attribute, give |
341 | SUPPORTS_INIT_PRIORITY a nonzero value. */ | |
342 | #ifndef SUPPORTS_INIT_PRIORITY | |
343 | #define SUPPORTS_INIT_PRIORITY 1 | |
344 | #endif /* SUPPORTS_INIT_PRIORITY */ | |
345 | ||
5897739e JO |
346 | /* If duplicate library search directories can be removed from a |
347 | linker command without changing the linker's semantics, give this | |
348 | symbol a nonzero. */ | |
349 | #ifndef LINK_ELIMINATE_DUPLICATE_LDIRECTORIES | |
350 | #define LINK_ELIMINATE_DUPLICATE_LDIRECTORIES 0 | |
351 | #endif /* LINK_ELIMINATE_DUPLICATE_LDIRECTORIES */ | |
352 | ||
a6ab3aad JM |
353 | /* If we have a definition of INCOMING_RETURN_ADDR_RTX, assume that |
354 | the rest of the DWARF 2 frame unwind support is also provided. */ | |
f0a0390e | 355 | #if !defined (DWARF2_UNWIND_INFO) && defined (INCOMING_RETURN_ADDR_RTX) |
0021b564 | 356 | #define DWARF2_UNWIND_INFO 1 |
a6ab3aad | 357 | #endif |
b366352b | 358 | |
2cc07db4 RH |
359 | /* If we have named sections, and we're using crtstuff to run ctors, |
360 | use them for registering eh frame information. */ | |
bc2a8f08 RH |
361 | #if defined (TARGET_ASM_NAMED_SECTION) && DWARF2_UNWIND_INFO \ |
362 | && !defined(EH_FRAME_IN_DATA_SECTION) | |
7c262518 RH |
363 | #ifndef EH_FRAME_SECTION_NAME |
364 | #define EH_FRAME_SECTION_NAME ".eh_frame" | |
365 | #endif | |
31cf0144 JM |
366 | #endif |
367 | ||
1a35e62d MM |
368 | /* On many systems, different EH table encodings are used under |
369 | difference circumstances. Some will require runtime relocations; | |
370 | some will not. For those that do not require runtime relocations, | |
371 | we would like to make the table read-only. However, since the | |
372 | read-only tables may need to be combined with read-write tables | |
373 | that do require runtime relocation, it is not safe to make the | |
374 | tables read-only unless the linker will merge read-only and | |
375 | read-write sections into a single read-write section. If your | |
376 | linker does not have this ability, but your system is such that no | |
377 | encoding used with non-PIC code will ever require a runtime | |
378 | relocation, then you can define EH_TABLES_CAN_BE_READ_ONLY to 1 in | |
379 | your target configuration file. */ | |
380 | #ifndef EH_TABLES_CAN_BE_READ_ONLY | |
381 | #ifdef HAVE_LD_RO_RW_SECTION_MIXING | |
382 | #define EH_TABLES_CAN_BE_READ_ONLY 1 | |
383 | #else | |
384 | #define EH_TABLES_CAN_BE_READ_ONLY 0 | |
385 | #endif | |
386 | #endif | |
387 | ||
6351543d AG |
388 | /* If we have named section and we support weak symbols, then use the |
389 | .jcr section for recording java classes which need to be registered | |
390 | at program start-up time. */ | |
391 | #if defined (TARGET_ASM_NAMED_SECTION) && SUPPORTS_WEAK | |
392 | #ifndef JCR_SECTION_NAME | |
393 | #define JCR_SECTION_NAME ".jcr" | |
394 | #endif | |
395 | #endif | |
396 | ||
adb35797 | 397 | /* This decision to use a .jcr section can be overridden by defining |
e50e6b88 DS |
398 | USE_JCR_SECTION to 0 in target file. This is necessary if target |
399 | can define JCR_SECTION_NAME but does not have crtstuff or | |
400 | linker support for .jcr section. */ | |
401 | #ifndef TARGET_USE_JCR_SECTION | |
402 | #ifdef JCR_SECTION_NAME | |
403 | #define TARGET_USE_JCR_SECTION 1 | |
404 | #else | |
405 | #define TARGET_USE_JCR_SECTION 0 | |
406 | #endif | |
407 | #endif | |
408 | ||
c478efd1 GDR |
409 | /* Number of hardware registers that go into the DWARF-2 unwind info. |
410 | If not defined, equals FIRST_PSEUDO_REGISTER */ | |
411 | ||
412 | #ifndef DWARF_FRAME_REGISTERS | |
413 | #define DWARF_FRAME_REGISTERS FIRST_PSEUDO_REGISTER | |
414 | #endif | |
d8ea8f28 | 415 | |
4617e3b5 KG |
416 | /* How to renumber registers for dbx and gdb. If not defined, assume |
417 | no renumbering is necessary. */ | |
418 | ||
419 | #ifndef DBX_REGISTER_NUMBER | |
420 | #define DBX_REGISTER_NUMBER(REGNO) (REGNO) | |
421 | #endif | |
422 | ||
d8ea8f28 ZW |
423 | /* Default sizes for base C types. If the sizes are different for |
424 | your target, you should override these values by defining the | |
425 | appropriate symbols in your tm.h file. */ | |
426 | ||
5c60f03d KG |
427 | #ifndef BITS_PER_UNIT |
428 | #define BITS_PER_UNIT 8 | |
429 | #endif | |
430 | ||
e81dd381 KG |
431 | #ifndef BITS_PER_WORD |
432 | #define BITS_PER_WORD (BITS_PER_UNIT * UNITS_PER_WORD) | |
433 | #endif | |
434 | ||
d8ea8f28 ZW |
435 | #ifndef CHAR_TYPE_SIZE |
436 | #define CHAR_TYPE_SIZE BITS_PER_UNIT | |
437 | #endif | |
438 | ||
609688f3 JM |
439 | #ifndef BOOL_TYPE_SIZE |
440 | /* `bool' has size and alignment `1', on almost all platforms. */ | |
441 | #define BOOL_TYPE_SIZE CHAR_TYPE_SIZE | |
442 | #endif | |
443 | ||
d8ea8f28 ZW |
444 | #ifndef SHORT_TYPE_SIZE |
445 | #define SHORT_TYPE_SIZE (BITS_PER_UNIT * MIN ((UNITS_PER_WORD + 1) / 2, 2)) | |
446 | #endif | |
447 | ||
448 | #ifndef INT_TYPE_SIZE | |
449 | #define INT_TYPE_SIZE BITS_PER_WORD | |
450 | #endif | |
451 | ||
452 | #ifndef LONG_TYPE_SIZE | |
453 | #define LONG_TYPE_SIZE BITS_PER_WORD | |
454 | #endif | |
455 | ||
456 | #ifndef LONG_LONG_TYPE_SIZE | |
457 | #define LONG_LONG_TYPE_SIZE (BITS_PER_WORD * 2) | |
458 | #endif | |
459 | ||
460 | #ifndef WCHAR_TYPE_SIZE | |
461 | #define WCHAR_TYPE_SIZE INT_TYPE_SIZE | |
462 | #endif | |
463 | ||
d8ea8f28 ZW |
464 | #ifndef FLOAT_TYPE_SIZE |
465 | #define FLOAT_TYPE_SIZE BITS_PER_WORD | |
466 | #endif | |
467 | ||
468 | #ifndef DOUBLE_TYPE_SIZE | |
469 | #define DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2) | |
470 | #endif | |
471 | ||
472 | #ifndef LONG_DOUBLE_TYPE_SIZE | |
473 | #define LONG_DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2) | |
474 | #endif | |
475 | ||
9a8ce21f JG |
476 | #ifndef DECIMAL32_TYPE_SIZE |
477 | #define DECIMAL32_TYPE_SIZE 32 | |
b8698a0f | 478 | #endif |
9a8ce21f | 479 | |
b8698a0f | 480 | #ifndef DECIMAL64_TYPE_SIZE |
9a8ce21f | 481 | #define DECIMAL64_TYPE_SIZE 64 |
b8698a0f | 482 | #endif |
9a8ce21f JG |
483 | |
484 | #ifndef DECIMAL128_TYPE_SIZE | |
485 | #define DECIMAL128_TYPE_SIZE 128 | |
486 | #endif | |
487 | ||
325217ed CF |
488 | #ifndef SHORT_FRACT_TYPE_SIZE |
489 | #define SHORT_FRACT_TYPE_SIZE BITS_PER_UNIT | |
490 | #endif | |
491 | ||
492 | #ifndef FRACT_TYPE_SIZE | |
493 | #define FRACT_TYPE_SIZE (BITS_PER_UNIT * 2) | |
494 | #endif | |
495 | ||
496 | #ifndef LONG_FRACT_TYPE_SIZE | |
497 | #define LONG_FRACT_TYPE_SIZE (BITS_PER_UNIT * 4) | |
498 | #endif | |
499 | ||
500 | #ifndef LONG_LONG_FRACT_TYPE_SIZE | |
501 | #define LONG_LONG_FRACT_TYPE_SIZE (BITS_PER_UNIT * 8) | |
502 | #endif | |
503 | ||
504 | #ifndef SHORT_ACCUM_TYPE_SIZE | |
505 | #define SHORT_ACCUM_TYPE_SIZE (SHORT_FRACT_TYPE_SIZE * 2) | |
506 | #endif | |
507 | ||
508 | #ifndef ACCUM_TYPE_SIZE | |
509 | #define ACCUM_TYPE_SIZE (FRACT_TYPE_SIZE * 2) | |
510 | #endif | |
511 | ||
512 | #ifndef LONG_ACCUM_TYPE_SIZE | |
513 | #define LONG_ACCUM_TYPE_SIZE (LONG_FRACT_TYPE_SIZE * 2) | |
514 | #endif | |
515 | ||
516 | #ifndef LONG_LONG_ACCUM_TYPE_SIZE | |
517 | #define LONG_LONG_ACCUM_TYPE_SIZE (LONG_LONG_FRACT_TYPE_SIZE * 2) | |
518 | #endif | |
519 | ||
1ffc7157 FXC |
520 | /* We let tm.h override the types used here, to handle trivial differences |
521 | such as the choice of unsigned int or long unsigned int for size_t. | |
522 | When machines start needing nontrivial differences in the size type, | |
523 | it would be best to do something here to figure out automatically | |
524 | from other information what type to use. */ | |
525 | ||
526 | #ifndef SIZE_TYPE | |
527 | #define SIZE_TYPE "long unsigned int" | |
528 | #endif | |
529 | ||
530 | #ifndef PID_TYPE | |
531 | #define PID_TYPE "int" | |
532 | #endif | |
533 | ||
534 | /* If GCC knows the exact uint_least16_t and uint_least32_t types from | |
535 | <stdint.h>, use them for char16_t and char32_t. Otherwise, use | |
536 | these guesses; getting the wrong type of a given width will not | |
537 | affect C++ name mangling because in C++ these are distinct types | |
538 | not typedefs. */ | |
539 | ||
540 | #ifdef UINT_LEAST16_TYPE | |
541 | #define CHAR16_TYPE UINT_LEAST16_TYPE | |
542 | #else | |
543 | #define CHAR16_TYPE "short unsigned int" | |
544 | #endif | |
545 | ||
546 | #ifdef UINT_LEAST32_TYPE | |
547 | #define CHAR32_TYPE UINT_LEAST32_TYPE | |
548 | #else | |
549 | #define CHAR32_TYPE "unsigned int" | |
550 | #endif | |
551 | ||
552 | #ifndef WCHAR_TYPE | |
553 | #define WCHAR_TYPE "int" | |
554 | #endif | |
555 | ||
556 | /* WCHAR_TYPE gets overridden by -fshort-wchar. */ | |
557 | #define MODIFIED_WCHAR_TYPE \ | |
558 | (flag_short_wchar ? "short unsigned int" : WCHAR_TYPE) | |
559 | ||
560 | #ifndef PTRDIFF_TYPE | |
561 | #define PTRDIFF_TYPE "long int" | |
562 | #endif | |
563 | ||
564 | #ifndef WINT_TYPE | |
565 | #define WINT_TYPE "unsigned int" | |
566 | #endif | |
567 | ||
568 | #ifndef INTMAX_TYPE | |
569 | #define INTMAX_TYPE ((INT_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \ | |
570 | ? "int" \ | |
571 | : ((LONG_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \ | |
572 | ? "long int" \ | |
573 | : "long long int")) | |
574 | #endif | |
575 | ||
576 | #ifndef UINTMAX_TYPE | |
577 | #define UINTMAX_TYPE ((INT_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \ | |
578 | ? "unsigned int" \ | |
579 | : ((LONG_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \ | |
580 | ? "long unsigned int" \ | |
581 | : "long long unsigned int")) | |
582 | #endif | |
583 | ||
584 | ||
585 | /* There are no default definitions of these <stdint.h> types. */ | |
586 | ||
587 | #ifndef SIG_ATOMIC_TYPE | |
588 | #define SIG_ATOMIC_TYPE ((const char *) NULL) | |
589 | #endif | |
590 | ||
591 | #ifndef INT8_TYPE | |
592 | #define INT8_TYPE ((const char *) NULL) | |
593 | #endif | |
594 | ||
595 | #ifndef INT16_TYPE | |
596 | #define INT16_TYPE ((const char *) NULL) | |
597 | #endif | |
598 | ||
599 | #ifndef INT32_TYPE | |
600 | #define INT32_TYPE ((const char *) NULL) | |
601 | #endif | |
602 | ||
603 | #ifndef INT64_TYPE | |
604 | #define INT64_TYPE ((const char *) NULL) | |
605 | #endif | |
606 | ||
607 | #ifndef UINT8_TYPE | |
608 | #define UINT8_TYPE ((const char *) NULL) | |
609 | #endif | |
610 | ||
611 | #ifndef UINT16_TYPE | |
612 | #define UINT16_TYPE ((const char *) NULL) | |
613 | #endif | |
614 | ||
615 | #ifndef UINT32_TYPE | |
616 | #define UINT32_TYPE ((const char *) NULL) | |
617 | #endif | |
618 | ||
619 | #ifndef UINT64_TYPE | |
620 | #define UINT64_TYPE ((const char *) NULL) | |
621 | #endif | |
622 | ||
623 | #ifndef INT_LEAST8_TYPE | |
624 | #define INT_LEAST8_TYPE ((const char *) NULL) | |
625 | #endif | |
626 | ||
627 | #ifndef INT_LEAST16_TYPE | |
628 | #define INT_LEAST16_TYPE ((const char *) NULL) | |
629 | #endif | |
630 | ||
631 | #ifndef INT_LEAST32_TYPE | |
632 | #define INT_LEAST32_TYPE ((const char *) NULL) | |
633 | #endif | |
634 | ||
635 | #ifndef INT_LEAST64_TYPE | |
636 | #define INT_LEAST64_TYPE ((const char *) NULL) | |
637 | #endif | |
638 | ||
639 | #ifndef UINT_LEAST8_TYPE | |
640 | #define UINT_LEAST8_TYPE ((const char *) NULL) | |
641 | #endif | |
642 | ||
643 | #ifndef UINT_LEAST16_TYPE | |
644 | #define UINT_LEAST16_TYPE ((const char *) NULL) | |
645 | #endif | |
646 | ||
647 | #ifndef UINT_LEAST32_TYPE | |
648 | #define UINT_LEAST32_TYPE ((const char *) NULL) | |
649 | #endif | |
650 | ||
651 | #ifndef UINT_LEAST64_TYPE | |
652 | #define UINT_LEAST64_TYPE ((const char *) NULL) | |
653 | #endif | |
654 | ||
655 | #ifndef INT_FAST8_TYPE | |
656 | #define INT_FAST8_TYPE ((const char *) NULL) | |
657 | #endif | |
658 | ||
659 | #ifndef INT_FAST16_TYPE | |
660 | #define INT_FAST16_TYPE ((const char *) NULL) | |
661 | #endif | |
662 | ||
663 | #ifndef INT_FAST32_TYPE | |
664 | #define INT_FAST32_TYPE ((const char *) NULL) | |
665 | #endif | |
666 | ||
667 | #ifndef INT_FAST64_TYPE | |
668 | #define INT_FAST64_TYPE ((const char *) NULL) | |
669 | #endif | |
670 | ||
671 | #ifndef UINT_FAST8_TYPE | |
672 | #define UINT_FAST8_TYPE ((const char *) NULL) | |
673 | #endif | |
674 | ||
675 | #ifndef UINT_FAST16_TYPE | |
676 | #define UINT_FAST16_TYPE ((const char *) NULL) | |
677 | #endif | |
678 | ||
679 | #ifndef UINT_FAST32_TYPE | |
680 | #define UINT_FAST32_TYPE ((const char *) NULL) | |
681 | #endif | |
682 | ||
683 | #ifndef UINT_FAST64_TYPE | |
684 | #define UINT_FAST64_TYPE ((const char *) NULL) | |
685 | #endif | |
686 | ||
687 | #ifndef INTPTR_TYPE | |
688 | #define INTPTR_TYPE ((const char *) NULL) | |
689 | #endif | |
690 | ||
691 | #ifndef UINTPTR_TYPE | |
692 | #define UINTPTR_TYPE ((const char *) NULL) | |
693 | #endif | |
694 | ||
2465bf76 KG |
695 | /* Width in bits of a pointer. Mind the value of the macro `Pmode'. */ |
696 | #ifndef POINTER_SIZE | |
697 | #define POINTER_SIZE BITS_PER_WORD | |
698 | #endif | |
699 | ||
848e0190 JH |
700 | #ifndef PIC_OFFSET_TABLE_REGNUM |
701 | #define PIC_OFFSET_TABLE_REGNUM INVALID_REGNUM | |
702 | #endif | |
703 | ||
f8fe0a4a JM |
704 | #ifndef PIC_OFFSET_TABLE_REG_CALL_CLOBBERED |
705 | #define PIC_OFFSET_TABLE_REG_CALL_CLOBBERED 0 | |
706 | #endif | |
707 | ||
b2ca3702 MM |
708 | #ifndef TARGET_DLLIMPORT_DECL_ATTRIBUTES |
709 | #define TARGET_DLLIMPORT_DECL_ATTRIBUTES 0 | |
710 | #endif | |
711 | ||
63c5b495 | 712 | #ifndef TARGET_DECLSPEC |
b2ca3702 | 713 | #if TARGET_DLLIMPORT_DECL_ATTRIBUTES |
63c5b495 MM |
714 | /* If the target supports the "dllimport" attribute, users are |
715 | probably used to the "__declspec" syntax. */ | |
716 | #define TARGET_DECLSPEC 1 | |
717 | #else | |
718 | #define TARGET_DECLSPEC 0 | |
719 | #endif | |
720 | #endif | |
721 | ||
a9374841 MM |
722 | /* By default, the preprocessor should be invoked the same way in C++ |
723 | as in C. */ | |
724 | #ifndef CPLUSPLUS_CPP_SPEC | |
725 | #ifdef CPP_SPEC | |
726 | #define CPLUSPLUS_CPP_SPEC CPP_SPEC | |
727 | #endif | |
728 | #endif | |
729 | ||
bf501a65 RH |
730 | #ifndef ACCUMULATE_OUTGOING_ARGS |
731 | #define ACCUMULATE_OUTGOING_ARGS 0 | |
732 | #endif | |
733 | ||
734 | /* Supply a default definition for PUSH_ARGS. */ | |
735 | #ifndef PUSH_ARGS | |
736 | #ifdef PUSH_ROUNDING | |
737 | #define PUSH_ARGS !ACCUMULATE_OUTGOING_ARGS | |
738 | #else | |
739 | #define PUSH_ARGS 0 | |
740 | #endif | |
741 | #endif | |
742 | ||
9d6bef95 JM |
743 | /* Decide whether a function's arguments should be processed |
744 | from first to last or from last to first. | |
745 | ||
746 | They should if the stack and args grow in opposite directions, but | |
747 | only if we have push insns. */ | |
748 | ||
749 | #ifdef PUSH_ROUNDING | |
750 | ||
751 | #ifndef PUSH_ARGS_REVERSED | |
752 | #if defined (STACK_GROWS_DOWNWARD) != defined (ARGS_GROW_DOWNWARD) | |
753 | #define PUSH_ARGS_REVERSED PUSH_ARGS | |
754 | #endif | |
755 | #endif | |
756 | ||
757 | #endif | |
758 | ||
759 | #ifndef PUSH_ARGS_REVERSED | |
760 | #define PUSH_ARGS_REVERSED 0 | |
761 | #endif | |
762 | ||
95331614 OH |
763 | /* Default value for the alignment (in bits) a C conformant malloc has to |
764 | provide. This default is intended to be safe and always correct. */ | |
765 | #ifndef MALLOC_ABI_ALIGNMENT | |
766 | #define MALLOC_ABI_ALIGNMENT BITS_PER_WORD | |
767 | #endif | |
768 | ||
31cdd499 ZW |
769 | /* If PREFERRED_STACK_BOUNDARY is not defined, set it to STACK_BOUNDARY. |
770 | STACK_BOUNDARY is required. */ | |
771 | #ifndef PREFERRED_STACK_BOUNDARY | |
772 | #define PREFERRED_STACK_BOUNDARY STACK_BOUNDARY | |
773 | #endif | |
774 | ||
2e3f842f L |
775 | /* Set INCOMING_STACK_BOUNDARY to PREFERRED_STACK_BOUNDARY if it is not |
776 | defined. */ | |
777 | #ifndef INCOMING_STACK_BOUNDARY | |
778 | #define INCOMING_STACK_BOUNDARY PREFERRED_STACK_BOUNDARY | |
779 | #endif | |
780 | ||
467cecf3 JB |
781 | #ifndef TARGET_DEFAULT_PACK_STRUCT |
782 | #define TARGET_DEFAULT_PACK_STRUCT 0 | |
783 | #endif | |
784 | ||
a6f5e048 RH |
785 | /* By default, the vtable entries are void pointers, the so the alignment |
786 | is the same as pointer alignment. The value of this macro specifies | |
787 | the alignment of the vtable entry in bits. It should be defined only | |
4b7e68e7 | 788 | when special alignment is necessary. */ |
a6f5e048 RH |
789 | #ifndef TARGET_VTABLE_ENTRY_ALIGN |
790 | #define TARGET_VTABLE_ENTRY_ALIGN POINTER_SIZE | |
791 | #endif | |
792 | ||
793 | /* There are a few non-descriptor entries in the vtable at offsets below | |
794 | zero. If these entries must be padded (say, to preserve the alignment | |
795 | specified by TARGET_VTABLE_ENTRY_ALIGN), set this to the number of | |
796 | words in each data entry. */ | |
797 | #ifndef TARGET_VTABLE_DATA_ENTRY_DISTANCE | |
798 | #define TARGET_VTABLE_DATA_ENTRY_DISTANCE 1 | |
799 | #endif | |
800 | ||
4a77e08c DS |
801 | /* Decide whether it is safe to use a local alias for a virtual function |
802 | when constructing thunks. */ | |
803 | #ifndef TARGET_USE_LOCAL_THUNK_ALIAS_P | |
804 | #ifdef ASM_OUTPUT_DEF | |
805 | #define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) 1 | |
806 | #else | |
807 | #define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) 0 | |
808 | #endif | |
809 | #endif | |
810 | ||
2a1ee410 RH |
811 | /* Select a format to encode pointers in exception handling data. We |
812 | prefer those that result in fewer dynamic relocations. Assume no | |
813 | special support here and encode direct references. */ | |
814 | #ifndef ASM_PREFERRED_EH_DATA_FORMAT | |
815 | #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) DW_EH_PE_absptr | |
816 | #endif | |
817 | ||
f3c55c97 AO |
818 | /* By default, the C++ compiler will use the lowest bit of the pointer |
819 | to function to indicate a pointer-to-member-function points to a | |
820 | virtual member function. However, if FUNCTION_BOUNDARY indicates | |
821 | function addresses aren't always even, the lowest bit of the delta | |
822 | field will be used. */ | |
823 | #ifndef TARGET_PTRMEMFUNC_VBIT_LOCATION | |
824 | #define TARGET_PTRMEMFUNC_VBIT_LOCATION \ | |
825 | (FUNCTION_BOUNDARY >= 2 * BITS_PER_UNIT \ | |
826 | ? ptrmemfunc_vbit_in_pfn : ptrmemfunc_vbit_in_delta) | |
827 | #endif | |
828 | ||
5f0e9ea2 GK |
829 | #ifndef DEFAULT_GDB_EXTENSIONS |
830 | #define DEFAULT_GDB_EXTENSIONS 1 | |
831 | #endif | |
832 | ||
833 | /* If more than one debugging type is supported, you must define | |
f8ca7e49 | 834 | PREFERRED_DEBUGGING_TYPE to choose the default. */ |
5f0e9ea2 | 835 | |
f8ca7e49 ZW |
836 | #if 1 < (defined (DBX_DEBUGGING_INFO) + defined (SDB_DEBUGGING_INFO) \ |
837 | + defined (DWARF2_DEBUGGING_INFO) + defined (XCOFF_DEBUGGING_INFO) \ | |
838 | + defined (VMS_DEBUGGING_INFO)) | |
5f0e9ea2 | 839 | #ifndef PREFERRED_DEBUGGING_TYPE |
f8ca7e49 | 840 | #error You must define PREFERRED_DEBUGGING_TYPE |
5f0e9ea2 | 841 | #endif /* no PREFERRED_DEBUGGING_TYPE */ |
f8ca7e49 ZW |
842 | |
843 | /* If only one debugging format is supported, define PREFERRED_DEBUGGING_TYPE | |
844 | here so other code needn't care. */ | |
845 | #elif defined DBX_DEBUGGING_INFO | |
5f0e9ea2 | 846 | #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG |
f8ca7e49 ZW |
847 | |
848 | #elif defined SDB_DEBUGGING_INFO | |
5f0e9ea2 | 849 | #define PREFERRED_DEBUGGING_TYPE SDB_DEBUG |
f8ca7e49 ZW |
850 | |
851 | #elif defined DWARF2_DEBUGGING_INFO | |
5f0e9ea2 | 852 | #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG |
f8ca7e49 ZW |
853 | |
854 | #elif defined VMS_DEBUGGING_INFO | |
7a0c8d71 | 855 | #define PREFERRED_DEBUGGING_TYPE VMS_AND_DWARF2_DEBUG |
f8ca7e49 ZW |
856 | |
857 | #elif defined XCOFF_DEBUGGING_INFO | |
5f0e9ea2 | 858 | #define PREFERRED_DEBUGGING_TYPE XCOFF_DEBUG |
5f0e9ea2 | 859 | |
f8ca7e49 ZW |
860 | #else |
861 | /* No debugging format is supported by this target. */ | |
5f0e9ea2 GK |
862 | #define PREFERRED_DEBUGGING_TYPE NO_DEBUG |
863 | #endif | |
864 | ||
3fcaac1d RS |
865 | #ifndef LARGEST_EXPONENT_IS_NORMAL |
866 | #define LARGEST_EXPONENT_IS_NORMAL(SIZE) 0 | |
867 | #endif | |
868 | ||
869 | #ifndef ROUND_TOWARDS_ZERO | |
870 | #define ROUND_TOWARDS_ZERO 0 | |
871 | #endif | |
872 | ||
c15c90bb ZW |
873 | #ifndef FLOAT_LIB_COMPARE_RETURNS_BOOL |
874 | #define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) false | |
875 | #endif | |
876 | ||
6cb38cd4 | 877 | /* True if the targets integer-comparison functions return { 0, 1, 2 |
b3f8d95d MM |
878 | } to indicate { <, ==, > }. False if { -1, 0, 1 } is used |
879 | instead. The libgcc routines are biased. */ | |
880 | #ifndef TARGET_LIB_INT_CMP_BIASED | |
881 | #define TARGET_LIB_INT_CMP_BIASED (true) | |
882 | #endif | |
883 | ||
2d295af5 ZW |
884 | /* If FLOAT_WORDS_BIG_ENDIAN is not defined in the header files, |
885 | then the word-endianness is the same as for integers. */ | |
efdc7e19 RH |
886 | #ifndef FLOAT_WORDS_BIG_ENDIAN |
887 | #define FLOAT_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN | |
888 | #endif | |
889 | ||
c0a6a1ef BS |
890 | #ifndef REG_WORDS_BIG_ENDIAN |
891 | #define REG_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN | |
892 | #endif | |
893 | ||
8ce94e44 JM |
894 | #ifdef TARGET_FLT_EVAL_METHOD |
895 | #define TARGET_FLT_EVAL_METHOD_NON_DEFAULT 1 | |
896 | #else | |
d57a4b98 | 897 | #define TARGET_FLT_EVAL_METHOD 0 |
8ce94e44 | 898 | #define TARGET_FLT_EVAL_METHOD_NON_DEFAULT 0 |
d57a4b98 RH |
899 | #endif |
900 | ||
9a8ce21f JG |
901 | #ifndef TARGET_DEC_EVAL_METHOD |
902 | #define TARGET_DEC_EVAL_METHOD 2 | |
903 | #endif | |
904 | ||
750054a2 CT |
905 | #ifndef HAS_LONG_COND_BRANCH |
906 | #define HAS_LONG_COND_BRANCH 0 | |
907 | #endif | |
908 | ||
909 | #ifndef HAS_LONG_UNCOND_BRANCH | |
910 | #define HAS_LONG_UNCOND_BRANCH 0 | |
911 | #endif | |
912 | ||
4bafaa6f | 913 | /* Determine whether __cxa_atexit, rather than atexit, is used to |
4b7e68e7 | 914 | register C++ destructors for local statics and global objects. */ |
4bafaa6f L |
915 | #ifndef DEFAULT_USE_CXA_ATEXIT |
916 | #define DEFAULT_USE_CXA_ATEXIT 0 | |
917 | #endif | |
918 | ||
f38840db ZW |
919 | /* If none of these macros are defined, the port must use the new |
920 | technique of defining constraints in the machine description. | |
921 | tm_p.h will define those macros that machine-independent code | |
922 | still uses. */ | |
923 | #if !defined CONSTRAINT_LEN \ | |
924 | && !defined REG_CLASS_FROM_LETTER \ | |
925 | && !defined REG_CLASS_FROM_CONSTRAINT \ | |
926 | && !defined CONST_OK_FOR_LETTER_P \ | |
927 | && !defined CONST_OK_FOR_CONSTRAINT_P \ | |
928 | && !defined CONST_DOUBLE_OK_FOR_LETTER_P \ | |
929 | && !defined CONST_DOUBLE_OK_FOR_CONSTRAINT_P \ | |
930 | && !defined EXTRA_CONSTRAINT \ | |
931 | && !defined EXTRA_CONSTRAINT_STR \ | |
932 | && !defined EXTRA_MEMORY_CONSTRAINT \ | |
933 | && !defined EXTRA_ADDRESS_CONSTRAINT | |
934 | ||
935 | #define USE_MD_CONSTRAINTS | |
936 | ||
937 | #if GCC_VERSION >= 3000 && defined IN_GCC | |
938 | /* These old constraint macros shouldn't appear anywhere in a | |
939 | configuration using MD constraint definitions. */ | |
940 | #pragma GCC poison REG_CLASS_FROM_LETTER CONST_OK_FOR_LETTER_P \ | |
941 | CONST_DOUBLE_OK_FOR_LETTER_P EXTRA_CONSTRAINT | |
942 | #endif | |
943 | ||
944 | #else /* old constraint mechanism in use */ | |
945 | ||
ccfc6cc8 UW |
946 | /* Determine whether extra constraint letter should be handled |
947 | via address reload (like 'o'). */ | |
948 | #ifndef EXTRA_MEMORY_CONSTRAINT | |
97488870 | 949 | #define EXTRA_MEMORY_CONSTRAINT(C,STR) 0 |
ccfc6cc8 UW |
950 | #endif |
951 | ||
952 | /* Determine whether extra constraint letter should be handled | |
953 | as an address (like 'p'). */ | |
954 | #ifndef EXTRA_ADDRESS_CONSTRAINT | |
97488870 R |
955 | #define EXTRA_ADDRESS_CONSTRAINT(C,STR) 0 |
956 | #endif | |
957 | ||
958 | /* When a port defines CONSTRAINT_LEN, it should use DEFAULT_CONSTRAINT_LEN | |
959 | for all the characters that it does not want to change, so things like the | |
960 | 'length' of a digit in a matching constraint is an implementation detail, | |
961 | and not part of the interface. */ | |
962 | #define DEFAULT_CONSTRAINT_LEN(C,STR) 1 | |
963 | ||
964 | #ifndef CONSTRAINT_LEN | |
965 | #define CONSTRAINT_LEN(C,STR) DEFAULT_CONSTRAINT_LEN (C, STR) | |
966 | #endif | |
967 | ||
968 | #if defined (CONST_OK_FOR_LETTER_P) && ! defined (CONST_OK_FOR_CONSTRAINT_P) | |
969 | #define CONST_OK_FOR_CONSTRAINT_P(VAL,C,STR) CONST_OK_FOR_LETTER_P (VAL, C) | |
970 | #endif | |
971 | ||
972 | #if defined (CONST_DOUBLE_OK_FOR_LETTER_P) && ! defined (CONST_DOUBLE_OK_FOR_CONSTRAINT_P) | |
973 | #define CONST_DOUBLE_OK_FOR_CONSTRAINT_P(OP,C,STR) \ | |
974 | CONST_DOUBLE_OK_FOR_LETTER_P (OP, C) | |
975 | #endif | |
976 | ||
3ff5ef1b | 977 | #ifndef REG_CLASS_FROM_CONSTRAINT |
97488870 | 978 | #define REG_CLASS_FROM_CONSTRAINT(C,STR) REG_CLASS_FROM_LETTER (C) |
3ff5ef1b | 979 | #endif |
97488870 R |
980 | |
981 | #if defined (EXTRA_CONSTRAINT) && ! defined (EXTRA_CONSTRAINT_STR) | |
982 | #define EXTRA_CONSTRAINT_STR(OP, C,STR) EXTRA_CONSTRAINT (OP, C) | |
ccfc6cc8 UW |
983 | #endif |
984 | ||
f38840db ZW |
985 | #endif /* old constraint mechanism in use */ |
986 | ||
3f117656 | 987 | /* Determine whether the entire c99 runtime |
272f51a3 JH |
988 | is present in the runtime library. */ |
989 | #ifndef TARGET_C99_FUNCTIONS | |
990 | #define TARGET_C99_FUNCTIONS 0 | |
991 | #endif | |
992 | ||
006339cd RG |
993 | /* Determine whether the target runtime library has |
994 | a sincos implementation following the GNU extension. */ | |
995 | #ifndef TARGET_HAS_SINCOS | |
996 | #define TARGET_HAS_SINCOS 0 | |
997 | #endif | |
998 | ||
7dba8395 | 999 | /* Indicate that CLZ and CTZ are undefined at zero. */ |
f676971a | 1000 | #ifndef CLZ_DEFINED_VALUE_AT_ZERO |
7dba8395 RH |
1001 | #define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) 0 |
1002 | #endif | |
f676971a | 1003 | #ifndef CTZ_DEFINED_VALUE_AT_ZERO |
7dba8395 RH |
1004 | #define CTZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) 0 |
1005 | #endif | |
1006 | ||
06f31100 RS |
1007 | /* Provide a default value for STORE_FLAG_VALUE. */ |
1008 | #ifndef STORE_FLAG_VALUE | |
1009 | #define STORE_FLAG_VALUE 1 | |
1010 | #endif | |
1011 | ||
436bcda1 GK |
1012 | /* This macro is used to determine what the largest unit size that |
1013 | move_by_pieces can use is. */ | |
1014 | ||
1015 | /* MOVE_MAX_PIECES is the number of bytes at a time which we can | |
1016 | move efficiently, as opposed to MOVE_MAX which is the maximum | |
1017 | number of bytes we can move with a single instruction. */ | |
1018 | ||
1019 | #ifndef MOVE_MAX_PIECES | |
1020 | #define MOVE_MAX_PIECES MOVE_MAX | |
1021 | #endif | |
1022 | ||
bcbaaba1 RS |
1023 | #ifndef MAX_MOVE_MAX |
1024 | #define MAX_MOVE_MAX MOVE_MAX | |
1025 | #endif | |
1026 | ||
1027 | #ifndef MIN_UNITS_PER_WORD | |
1028 | #define MIN_UNITS_PER_WORD UNITS_PER_WORD | |
1029 | #endif | |
1030 | ||
d1465187 RS |
1031 | #ifndef MAX_BITS_PER_WORD |
1032 | #define MAX_BITS_PER_WORD BITS_PER_WORD | |
1033 | #endif | |
1034 | ||
a594a19c GK |
1035 | #ifndef STACK_POINTER_OFFSET |
1036 | #define STACK_POINTER_OFFSET 0 | |
1037 | #endif | |
1038 | ||
cca8fb0e KH |
1039 | #ifndef LOCAL_REGNO |
1040 | #define LOCAL_REGNO(REGNO) 0 | |
1041 | #endif | |
1042 | ||
9d05bbce KH |
1043 | /* EXIT_IGNORE_STACK should be nonzero if, when returning from a function, |
1044 | the stack pointer does not matter. The value is tested only in | |
1045 | functions that have frame pointers. */ | |
1046 | #ifndef EXIT_IGNORE_STACK | |
1047 | #define EXIT_IGNORE_STACK 0 | |
1048 | #endif | |
1049 | ||
0ede749d KH |
1050 | /* Assume that case vectors are not pc-relative. */ |
1051 | #ifndef CASE_VECTOR_PC_RELATIVE | |
1052 | #define CASE_VECTOR_PC_RELATIVE 0 | |
1053 | #endif | |
1054 | ||
6de9cd9a DN |
1055 | /* Assume that trampolines need function alignment. */ |
1056 | #ifndef TRAMPOLINE_ALIGNMENT | |
1057 | #define TRAMPOLINE_ALIGNMENT FUNCTION_BOUNDARY | |
1058 | #endif | |
1059 | ||
d220de0e KH |
1060 | /* Register mappings for target machines without register windows. */ |
1061 | #ifndef INCOMING_REGNO | |
1062 | #define INCOMING_REGNO(N) (N) | |
1063 | #endif | |
1064 | ||
1065 | #ifndef OUTGOING_REGNO | |
1066 | #define OUTGOING_REGNO(N) (N) | |
1067 | #endif | |
1068 | ||
bee07d3f KH |
1069 | #ifndef SHIFT_COUNT_TRUNCATED |
1070 | #define SHIFT_COUNT_TRUNCATED 0 | |
1071 | #endif | |
1072 | ||
2e4e72b1 ZW |
1073 | #ifndef LEGITIMATE_PIC_OPERAND_P |
1074 | #define LEGITIMATE_PIC_OPERAND_P(X) 1 | |
1075 | #endif | |
1076 | ||
a4edaf83 AK |
1077 | #ifndef TARGET_MEM_CONSTRAINT |
1078 | #define TARGET_MEM_CONSTRAINT 'm' | |
1079 | #endif | |
1080 | ||
1f8551b2 KH |
1081 | #ifndef REVERSIBLE_CC_MODE |
1082 | #define REVERSIBLE_CC_MODE(MODE) 0 | |
1083 | #endif | |
1084 | ||
07e15286 DE |
1085 | /* Biggest alignment supported by the object file format of this machine. */ |
1086 | #ifndef MAX_OFILE_ALIGNMENT | |
1087 | #define MAX_OFILE_ALIGNMENT BIGGEST_ALIGNMENT | |
1088 | #endif | |
1089 | ||
f62c8a5c JJ |
1090 | #ifndef FRAME_GROWS_DOWNWARD |
1091 | #define FRAME_GROWS_DOWNWARD 0 | |
1092 | #endif | |
1093 | ||
30e6f306 RH |
1094 | /* On most machines, the CFA coincides with the first incoming parm. */ |
1095 | #ifndef ARG_POINTER_CFA_OFFSET | |
d17c29c3 PB |
1096 | #define ARG_POINTER_CFA_OFFSET(FNDECL) \ |
1097 | (FIRST_PARM_OFFSET (FNDECL) + crtl->args.pretend_args_size) | |
30e6f306 RH |
1098 | #endif |
1099 | ||
35d177a2 AO |
1100 | /* On most machines, we use the CFA as DW_AT_frame_base. */ |
1101 | #ifndef CFA_FRAME_BASE_OFFSET | |
1102 | #define CFA_FRAME_BASE_OFFSET(FNDECL) 0 | |
1103 | #endif | |
1104 | ||
30e6f306 RH |
1105 | /* The offset from the incoming value of %sp to the top of the stack frame |
1106 | for the current function. */ | |
1107 | #ifndef INCOMING_FRAME_SP_OFFSET | |
1108 | #define INCOMING_FRAME_SP_OFFSET 0 | |
1109 | #endif | |
1110 | ||
8521c414 JM |
1111 | #ifndef HARD_REGNO_NREGS_HAS_PADDING |
1112 | #define HARD_REGNO_NREGS_HAS_PADDING(REGNO, MODE) 0 | |
1113 | #define HARD_REGNO_NREGS_WITH_PADDING(REGNO, MODE) -1 | |
1114 | #endif | |
1115 | ||
ac294f0b | 1116 | #ifndef OUTGOING_REG_PARM_STACK_SPACE |
81464b2c | 1117 | #define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 0 |
ac294f0b KT |
1118 | #endif |
1119 | ||
2e3f842f L |
1120 | /* MAX_STACK_ALIGNMENT is the maximum stack alignment guaranteed by |
1121 | the backend. MAX_SUPPORTED_STACK_ALIGNMENT is the maximum best | |
1122 | effort stack alignment supported by the backend. If the backend | |
1123 | supports stack alignment, MAX_SUPPORTED_STACK_ALIGNMENT and | |
1124 | MAX_STACK_ALIGNMENT are the same. Otherwise, the incoming stack | |
1125 | boundary will limit the maximum guaranteed stack alignment. */ | |
1126 | #ifdef MAX_STACK_ALIGNMENT | |
1127 | #define MAX_SUPPORTED_STACK_ALIGNMENT MAX_STACK_ALIGNMENT | |
1128 | #else | |
1129 | #define MAX_STACK_ALIGNMENT STACK_BOUNDARY | |
1130 | #define MAX_SUPPORTED_STACK_ALIGNMENT PREFERRED_STACK_BOUNDARY | |
1131 | #endif | |
1132 | ||
1133 | #define SUPPORTS_STACK_ALIGNMENT (MAX_STACK_ALIGNMENT > STACK_BOUNDARY) | |
1134 | ||
76fe54f0 L |
1135 | #ifndef LOCAL_ALIGNMENT |
1136 | #define LOCAL_ALIGNMENT(TYPE, ALIGNMENT) ALIGNMENT | |
1137 | #endif | |
1138 | ||
1139 | #ifndef STACK_SLOT_ALIGNMENT | |
1140 | #define STACK_SLOT_ALIGNMENT(TYPE,MODE,ALIGN) \ | |
1141 | ((TYPE) ? LOCAL_ALIGNMENT ((TYPE), (ALIGN)) : (ALIGN)) | |
1142 | #endif | |
1143 | ||
9bfaf89d JJ |
1144 | #ifndef LOCAL_DECL_ALIGNMENT |
1145 | #define LOCAL_DECL_ALIGNMENT(DECL) \ | |
1146 | LOCAL_ALIGNMENT (TREE_TYPE (DECL), DECL_ALIGN (DECL)) | |
1147 | #endif | |
1148 | ||
ae58e548 JJ |
1149 | #ifndef MINIMUM_ALIGNMENT |
1150 | #define MINIMUM_ALIGNMENT(EXP,MODE,ALIGN) (ALIGN) | |
1151 | #endif | |
1152 | ||
6e4f1168 L |
1153 | /* Alignment value for attribute ((aligned)). */ |
1154 | #ifndef ATTRIBUTE_ALIGNED_VALUE | |
1155 | #define ATTRIBUTE_ALIGNED_VALUE BIGGEST_ALIGNMENT | |
1156 | #endif | |
1157 | ||
3ad606bc PB |
1158 | /* Many ports have no mode-dependent addresses (except possibly autoincrement |
1159 | and autodecrement addresses, which are handled by target-independent code | |
1160 | in recog.c). */ | |
1161 | #ifndef GO_IF_MODE_DEPENDENT_ADDRESS | |
1162 | #define GO_IF_MODE_DEPENDENT_ADDRESS(X, WIN) | |
1163 | #endif | |
1164 | ||
4003023f NC |
1165 | /* For most ports anything that evaluates to a constant symbolic |
1166 | or integer value is acceptable as a constant address. */ | |
1167 | #ifndef CONSTANT_ADDRESS_P | |
1168 | #define CONSTANT_ADDRESS_P(X) (CONSTANT_P (X) && GET_CODE (X) != CONST_DOUBLE) | |
1169 | #endif | |
1170 | ||
1c314335 L |
1171 | #ifndef MAX_FIXED_MODE_SIZE |
1172 | #define MAX_FIXED_MODE_SIZE GET_MODE_BITSIZE (DImode) | |
1173 | #endif | |
1174 | ||
5498f011 JM |
1175 | /* Nonzero if structures and unions should be returned in memory. |
1176 | ||
1177 | This should only be defined if compatibility with another compiler or | |
1178 | with an ABI is needed, because it results in slower code. */ | |
1179 | ||
1180 | #ifndef DEFAULT_PCC_STRUCT_RETURN | |
1181 | #define DEFAULT_PCC_STRUCT_RETURN 1 | |
1182 | #endif | |
77ec4307 SB |
1183 | |
1184 | #ifdef GCC_INSN_FLAGS_H | |
1185 | /* Dependent default target macro definitions | |
1186 | ||
1187 | This section of defaults.h defines target macros that depend on generated | |
1188 | headers. This is a bit awkward: We want to put all default definitions | |
1189 | for target macros in defaults.h, but some of the defaults depend on the | |
1190 | HAVE_* flags defines of insn-flags.h. But insn-flags.h is not always | |
1191 | included by files that do include defaults.h. | |
1192 | ||
1193 | Fortunately, the default macro definitions that depend on the HAVE_* | |
1194 | macros are also the ones that will only be used inside GCC itself, i.e. | |
1195 | not in the gen* programs or in target objects like libgcc. | |
1196 | ||
1197 | Obviously, it would be best to keep this section of defaults.h as small | |
1198 | as possible, by converting the macros defined below to target hooks or | |
1199 | functions. | |
1200 | */ | |
1201 | ||
77ec4307 SB |
1202 | /* The default branch cost is 1. */ |
1203 | #ifndef BRANCH_COST | |
1204 | #define BRANCH_COST(speed_p, predictable_p) 1 | |
1205 | #endif | |
1206 | ||
1207 | /* If a memory-to-memory move would take MOVE_RATIO or more simple | |
1208 | move-instruction sequences, we will do a movmem or libcall instead. */ | |
1209 | ||
1210 | #ifndef MOVE_RATIO | |
1211 | #if defined (HAVE_movmemqi) || defined (HAVE_movmemhi) || defined (HAVE_movmemsi) || defined (HAVE_movmemdi) || defined (HAVE_movmemti) | |
1212 | #define MOVE_RATIO(speed) 2 | |
1213 | #else | |
1214 | /* If we are optimizing for space (-Os), cut down the default move ratio. */ | |
1215 | #define MOVE_RATIO(speed) ((speed) ? 15 : 3) | |
1216 | #endif | |
1217 | #endif | |
1218 | ||
1219 | /* If a clear memory operation would take CLEAR_RATIO or more simple | |
1220 | move-instruction sequences, we will do a setmem or libcall instead. */ | |
1221 | ||
1222 | #ifndef CLEAR_RATIO | |
1223 | #if defined (HAVE_setmemqi) || defined (HAVE_setmemhi) || defined (HAVE_setmemsi) || defined (HAVE_setmemdi) || defined (HAVE_setmemti) | |
1224 | #define CLEAR_RATIO(speed) 2 | |
1225 | #else | |
1226 | /* If we are optimizing for space, cut down the default clear ratio. */ | |
1227 | #define CLEAR_RATIO(speed) ((speed) ? 15 :3) | |
1228 | #endif | |
1229 | #endif | |
1230 | ||
1231 | /* If a memory set (to value other than zero) operation would take | |
1232 | SET_RATIO or more simple move-instruction sequences, we will do a movmem | |
1233 | or libcall instead. */ | |
1234 | #ifndef SET_RATIO | |
1235 | #define SET_RATIO(speed) MOVE_RATIO(speed) | |
1236 | #endif | |
1237 | ||
1238 | /* Supply a default definition for FUNCTION_ARG_PADDING: | |
1239 | usually pad upward, but pad short args downward on | |
1240 | big-endian machines. */ | |
1241 | ||
1242 | #define DEFAULT_FUNCTION_ARG_PADDING(MODE, TYPE) \ | |
1243 | (! BYTES_BIG_ENDIAN \ | |
1244 | ? upward \ | |
1245 | : (((MODE) == BLKmode \ | |
1246 | ? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \ | |
1247 | && int_size_in_bytes (TYPE) < (PARM_BOUNDARY / BITS_PER_UNIT)) \ | |
1248 | : GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY) \ | |
1249 | ? downward : upward)) | |
1250 | ||
1251 | #ifndef FUNCTION_ARG_PADDING | |
1252 | #define FUNCTION_ARG_PADDING(MODE, TYPE) \ | |
1253 | DEFAULT_FUNCTION_ARG_PADDING ((MODE), (TYPE)) | |
1254 | #endif | |
1255 | ||
77ec4307 SB |
1256 | /* Supply a default definition of STACK_SAVEAREA_MODE for emit_stack_save. |
1257 | Normally move_insn, so Pmode stack pointer. */ | |
1258 | ||
1259 | #ifndef STACK_SAVEAREA_MODE | |
1260 | #define STACK_SAVEAREA_MODE(LEVEL) Pmode | |
1261 | #endif | |
1262 | ||
1263 | /* Supply a default definition of STACK_SIZE_MODE for | |
1264 | allocate_dynamic_stack_space. Normally PLUS/MINUS, so word_mode. */ | |
1265 | ||
1266 | #ifndef STACK_SIZE_MODE | |
1267 | #define STACK_SIZE_MODE word_mode | |
1268 | #endif | |
1269 | ||
1270 | /* Provide default values for the macros controlling stack checking. */ | |
1271 | ||
1272 | /* The default is neither full builtin stack checking... */ | |
1273 | #ifndef STACK_CHECK_BUILTIN | |
1274 | #define STACK_CHECK_BUILTIN 0 | |
1275 | #endif | |
1276 | ||
1277 | /* ...nor static builtin stack checking. */ | |
1278 | #ifndef STACK_CHECK_STATIC_BUILTIN | |
1279 | #define STACK_CHECK_STATIC_BUILTIN 0 | |
1280 | #endif | |
1281 | ||
1282 | /* The default interval is one page (4096 bytes). */ | |
1283 | #ifndef STACK_CHECK_PROBE_INTERVAL_EXP | |
1284 | #define STACK_CHECK_PROBE_INTERVAL_EXP 12 | |
1285 | #endif | |
1286 | ||
1287 | /* The default is not to move the stack pointer. */ | |
1288 | #ifndef STACK_CHECK_MOVING_SP | |
1289 | #define STACK_CHECK_MOVING_SP 0 | |
1290 | #endif | |
1291 | ||
1292 | /* This is a kludge to try to capture the discrepancy between the old | |
1293 | mechanism (generic stack checking) and the new mechanism (static | |
1294 | builtin stack checking). STACK_CHECK_PROTECT needs to be bumped | |
1295 | for the latter because part of the protection area is effectively | |
1296 | included in STACK_CHECK_MAX_FRAME_SIZE for the former. */ | |
1297 | #ifdef STACK_CHECK_PROTECT | |
1298 | #define STACK_OLD_CHECK_PROTECT STACK_CHECK_PROTECT | |
1299 | #else | |
677f3fa8 JM |
1300 | #define STACK_OLD_CHECK_PROTECT \ |
1301 | (targetm_common.except_unwind_info (&global_options) == UI_SJLJ \ | |
1302 | ? 75 * UNITS_PER_WORD \ | |
d5fabb58 | 1303 | : 8 * 1024) |
77ec4307 SB |
1304 | #endif |
1305 | ||
1306 | /* Minimum amount of stack required to recover from an anticipated stack | |
1307 | overflow detection. The default value conveys an estimate of the amount | |
1308 | of stack required to propagate an exception. */ | |
1309 | #ifndef STACK_CHECK_PROTECT | |
677f3fa8 JM |
1310 | #define STACK_CHECK_PROTECT \ |
1311 | (targetm_common.except_unwind_info (&global_options) == UI_SJLJ \ | |
1312 | ? 75 * UNITS_PER_WORD \ | |
d5fabb58 | 1313 | : 12 * 1024) |
77ec4307 SB |
1314 | #endif |
1315 | ||
1316 | /* Make the maximum frame size be the largest we can and still only need | |
1317 | one probe per function. */ | |
1318 | #ifndef STACK_CHECK_MAX_FRAME_SIZE | |
1319 | #define STACK_CHECK_MAX_FRAME_SIZE \ | |
1320 | ((1 << STACK_CHECK_PROBE_INTERVAL_EXP) - UNITS_PER_WORD) | |
1321 | #endif | |
1322 | ||
1323 | /* This is arbitrary, but should be large enough everywhere. */ | |
1324 | #ifndef STACK_CHECK_FIXED_FRAME_SIZE | |
1325 | #define STACK_CHECK_FIXED_FRAME_SIZE (4 * UNITS_PER_WORD) | |
1326 | #endif | |
1327 | ||
1328 | /* Provide a reasonable default for the maximum size of an object to | |
1329 | allocate in the fixed frame. We may need to be able to make this | |
1330 | controllable by the user at some point. */ | |
1331 | #ifndef STACK_CHECK_MAX_VAR_SIZE | |
1332 | #define STACK_CHECK_MAX_VAR_SIZE (STACK_CHECK_MAX_FRAME_SIZE / 100) | |
1333 | #endif | |
1334 | ||
7894073c SE |
1335 | /* By default, the C++ compiler will use function addresses in the |
1336 | vtable entries. Setting this nonzero tells the compiler to use | |
1337 | function descriptors instead. The value of this macro says how | |
1338 | many words wide the descriptor is (normally 2). It is assumed | |
1339 | that the address of a function descriptor may be treated as a | |
1340 | pointer to a function. */ | |
1341 | #ifndef TARGET_VTABLE_USES_DESCRIPTORS | |
1342 | #define TARGET_VTABLE_USES_DESCRIPTORS 0 | |
1343 | #endif | |
1344 | ||
3bd36029 RS |
1345 | #ifndef SWITCHABLE_TARGET |
1346 | #define SWITCHABLE_TARGET 0 | |
1347 | #endif | |
1348 | ||
77ec4307 SB |
1349 | #endif /* GCC_INSN_FLAGS_H */ |
1350 | ||
88657302 | 1351 | #endif /* ! GCC_DEFAULTS_H */ |