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1 280 jeremybenn 
/* Definitions of various defaults for tm.h macros.
2 
   Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3 
   2005, 2007, 2008, 2009, 2010
4 
   Free Software Foundation, Inc.
5 
   Contributed by Ron Guilmette (rfg@monkeys.com)
6 
 
7 
This file is part of GCC.
8 
 
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
11 
Software Foundation; either version 3, or (at your option) any later
12 
version.
13 
 
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.
18 
 
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
26 
<http://www.gnu.org/licenses/>.  */
27 
 
28 
#ifndef GCC_DEFAULTS_H
29 
#define GCC_DEFAULTS_H
30 
 
31 
#ifndef GET_ENVIRONMENT
32 
#define GET_ENVIRONMENT(VALUE, NAME) do { (VALUE) = getenv (NAME); } while (0)
33 
#endif
34 
 
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)
42 
 
43 
/* Store in OUTPUT a string (made with alloca) containing an
44 
   assembler-name for a local static variable or function named NAME.
45 
   LABELNO is an integer which is different for each call.  */
46 
 
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 
 
59 
#ifndef ASM_FORMAT_PRIVATE_NAME
60 
# define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
61 
  do { const char *const name_ = (NAME); \
62 
       char *const output_ = (OUTPUT) = \
63 
         (char *) alloca (strlen (name_) + 32); \
64 
       sprintf (output_, ASM_PN_FORMAT, name_, (unsigned long)(LABELNO)); \
65 
  } while (0)
66 
#endif
67 
 
68 
/* Choose a reasonable default for ASM_OUTPUT_ASCII.  */
69 
 
70 
#ifndef ASM_OUTPUT_ASCII
71 
#define ASM_OUTPUT_ASCII(MYFILE, MYSTRING, MYLENGTH) \
72 
  do {                                                                        \
73 
    FILE *_hide_asm_out_file = (MYFILE);                                      \
74 
    const unsigned char *_hide_p = (const unsigned char *) (MYSTRING);        \
75 
    int _hide_thissize = (MYLENGTH);                                          \
76 
    {                                                                         \
77 
      FILE *asm_out_file = _hide_asm_out_file;                                \
78 
      const unsigned char *p = _hide_p;                                       \
79 
      int thissize = _hide_thissize;                                          \
80 
      int i;                                                                  \
81 
      fprintf (asm_out_file, "\t.ascii \"");                                  \
82 
                                                                              \
83 
      for (i = 0; i < thissize; i++)                                           \
84 
        {                                                                     \
85 
          int c = p[i];                                                       \
86 
          if (c == '\"' || c == '\\')                                         \
87 
            putc ('\\', asm_out_file);                                        \
88 
          if (ISPRINT(c))                                                     \
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.             \
95 
                 The VAX assembler fails to stop reading the escape           \
96 
                 after three digits, so this is the only way we               \
97 
                 can get it to parse the data properly.  */                   \
98 
              if (i < thissize - 1 && ISDIGIT(p[i + 1]))                      \
99 
                fprintf (asm_out_file, "\"\n\t.ascii \"");                    \
100 
          }                                                                   \
101 
        }                                                                     \
102 
      fprintf (asm_out_file, "\"\n");                                         \
103 
    }                                                                         \
104 
  }                                                                           \
105 
  while (0)
106 
#endif
107 
 
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)                              \
112 
 do {   fprintf ((FILE), "%s", SET_ASM_OP);                             \
113 
        assemble_name (FILE, LABEL1);                                   \
114 
        fprintf (FILE, ",");                                            \
115 
        assemble_name (FILE, LABEL2);                                   \
116 
        fprintf (FILE, "\n");                                           \
117 
  } while (0)
118 
#endif
119 
#endif
120 
 
121 
#ifndef TLS_COMMON_ASM_OP
122 
#define TLS_COMMON_ASM_OP ".tls_common"
123 
#endif
124 
 
125 
#if defined (HAVE_AS_TLS) && !defined (ASM_OUTPUT_TLS_COMMON)
126 
#define ASM_OUTPUT_TLS_COMMON(FILE, DECL, NAME, SIZE)                   \
127 
  do                                                                    \
128 
    {                                                                   \
129 
      fprintf ((FILE), "\t%s\t", TLS_COMMON_ASM_OP);                    \
130 
      assemble_name ((FILE), (NAME));                                   \
131 
      fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n",          \
132 
               (SIZE), DECL_ALIGN (DECL) / BITS_PER_UNIT);              \
133 
    }                                                                   \
134 
  while (0)
135 
#endif
136 
 
137 
/* Decide whether to defer emitting the assembler output for an equate
138 
   of two values.  The default is to not defer output.  */
139 
#ifndef TARGET_DEFERRED_OUTPUT_DEFS
140 
#define TARGET_DEFERRED_OUTPUT_DEFS(DECL,TARGET) false
141 
#endif
142 
 
143 
/* This is how to output the definition of a user-level label named
144 
   NAME, such as the label on a static function or variable NAME.  */
145 
 
146 
#ifndef ASM_OUTPUT_LABEL
147 
#define ASM_OUTPUT_LABEL(FILE,NAME) \
148 
  do { assemble_name ((FILE), (NAME)); fputs (":\n", (FILE)); } while (0)
149 
#endif
150 
 
151 
/* Output the definition of a compiler-generated label named NAME.  */
152 
#ifndef ASM_OUTPUT_INTERNAL_LABEL
153 
#define ASM_OUTPUT_INTERNAL_LABEL(FILE,NAME)    \
154 
  do {                                          \
155 
    assemble_name_raw ((FILE), (NAME));         \
156 
    fputs (":\n", (FILE));                      \
157 
  } while (0)
158 
#endif
159 
 
160 
/* This is how to output a reference to a user-level label named NAME.  */
161 
 
162 
#ifndef ASM_OUTPUT_LABELREF
163 
#define ASM_OUTPUT_LABELREF(FILE,NAME)  asm_fprintf ((FILE), "%U%s", (NAME))
164 
#endif
165 
 
166 
/* Allow target to print debug info labels specially.  This is useful for
167 
   VLIW targets, since debug info labels should go into the middle of
168 
   instruction bundles instead of breaking them.  */
169 
 
170 
#ifndef ASM_OUTPUT_DEBUG_LABEL
171 
#define ASM_OUTPUT_DEBUG_LABEL(FILE, PREFIX, NUM) \
172 
  (*targetm.asm_out.internal_label) (FILE, PREFIX, NUM)
173 
#endif
174 
 
175 
/* This is how we tell the assembler that a symbol is weak.  */
176 
#ifndef ASM_OUTPUT_WEAK_ALIAS
177 
#if defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_DEF)
178 
#define ASM_OUTPUT_WEAK_ALIAS(STREAM, NAME, VALUE)      \
179 
  do                                                    \
180 
    {                                                   \
181 
      ASM_WEAKEN_LABEL (STREAM, NAME);                  \
182 
      if (VALUE)                                        \
183 
        ASM_OUTPUT_DEF (STREAM, NAME, VALUE);           \
184 
    }                                                   \
185 
  while (0)
186 
#endif
187 
#endif
188 
 
189 
/* This is how we tell the assembler that a symbol is a weak alias to
190 
   another symbol that doesn't require the other symbol to be defined.
191 
   Uses of the former will turn into weak uses of the latter, i.e.,
192 
   uses that, in case the latter is undefined, will not cause errors,
193 
   and will add it to the symbol table as weak undefined.  However, if
194 
   the latter is referenced directly, a strong reference prevails.  */
195 
#ifndef ASM_OUTPUT_WEAKREF
196 
#if defined HAVE_GAS_WEAKREF
197 
#define ASM_OUTPUT_WEAKREF(FILE, DECL, NAME, VALUE)                     \
198 
  do                                                                    \
199 
    {                                                                   \
200 
      fprintf ((FILE), "\t.weakref\t");                                 \
201 
      assemble_name ((FILE), (NAME));                                   \
202 
      fprintf ((FILE), ",");                                            \
203 
      assemble_name ((FILE), (VALUE));                                  \
204 
      fprintf ((FILE), "\n");                                           \
205 
    }                                                                   \
206 
  while (0)
207 
#endif
208 
#endif
209 
 
210 
/* How to emit a .type directive.  */
211 
#ifndef ASM_OUTPUT_TYPE_DIRECTIVE
212 
#if defined TYPE_ASM_OP && defined TYPE_OPERAND_FMT
213 
#define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE)   \
214 
  do                                                    \
215 
    {                                                   \
216 
      fputs (TYPE_ASM_OP, STREAM);                      \
217 
      assemble_name (STREAM, NAME);                     \
218 
      fputs (", ", STREAM);                             \
219 
      fprintf (STREAM, TYPE_OPERAND_FMT, TYPE);         \
220 
      putc ('\n', STREAM);                              \
221 
    }                                                   \
222 
  while (0)
223 
#endif
224 
#endif
225 
 
226 
/* How to emit a .size directive.  */
227 
#ifndef ASM_OUTPUT_SIZE_DIRECTIVE
228 
#ifdef SIZE_ASM_OP
229 
#define ASM_OUTPUT_SIZE_DIRECTIVE(STREAM, NAME, SIZE)   \
230 
  do                                                    \
231 
    {                                                   \
232 
      HOST_WIDE_INT size_ = (SIZE);                     \
233 
      fputs (SIZE_ASM_OP, STREAM);                      \
234 
      assemble_name (STREAM, NAME);                     \
235 
      fprintf (STREAM, ", " HOST_WIDE_INT_PRINT_DEC "\n", size_); \
236 
    }                                                   \
237 
  while (0)
238 
 
239 
#define ASM_OUTPUT_MEASURED_SIZE(STREAM, NAME)          \
240 
  do                                                    \
241 
    {                                                   \
242 
      fputs (SIZE_ASM_OP, STREAM);                      \
243 
      assemble_name (STREAM, NAME);                     \
244 
      fputs (", .-", STREAM);                           \
245 
      assemble_name (STREAM, NAME);                     \
246 
      putc ('\n', STREAM);                              \
247 
    }                                                   \
248 
  while (0)
249 
 
250 
#endif
251 
#endif
252 
 
253 
/* This determines whether or not we support weak symbols.  */
254 
#ifndef SUPPORTS_WEAK
255 
#if defined (ASM_WEAKEN_LABEL) || defined (ASM_WEAKEN_DECL)
256 
#define SUPPORTS_WEAK 1
257 
#else
258 
#define SUPPORTS_WEAK 0
259 
#endif
260 
#endif
261 
 
262 
/* This determines whether or not we support the discriminator
263 
   attribute in the .loc directive.  */
264 
#ifndef SUPPORTS_DISCRIMINATOR
265 
#ifdef HAVE_GAS_DISCRIMINATOR
266 
#define SUPPORTS_DISCRIMINATOR 1
267 
#else
268 
#define SUPPORTS_DISCRIMINATOR 0
269 
#endif
270 
#endif
271 
 
272 
/* This determines whether or not we support link-once semantics.  */
273 
#ifndef SUPPORTS_ONE_ONLY
274 
#ifdef MAKE_DECL_ONE_ONLY
275 
#define SUPPORTS_ONE_ONLY 1
276 
#else
277 
#define SUPPORTS_ONE_ONLY 0
278 
#endif
279 
#endif
280 
 
281 
/* This determines whether weak symbols must be left out of a static
282 
   archive's table of contents.  Defining this macro to be nonzero has
283 
   the consequence that certain symbols will not be made weak that
284 
   otherwise would be.  The C++ ABI requires this macro to be zero;
285 
   see the documentation.  */
286 
#ifndef TARGET_WEAK_NOT_IN_ARCHIVE_TOC
287 
#define TARGET_WEAK_NOT_IN_ARCHIVE_TOC 0
288 
#endif
289 
 
290 
/* This determines whether or not we need linkonce unwind information.  */
291 
#ifndef TARGET_USES_WEAK_UNWIND_INFO
292 
#define TARGET_USES_WEAK_UNWIND_INFO 0
293 
#endif
294 
 
295 
/* By default, there is no prefix on user-defined symbols.  */
296 
#ifndef USER_LABEL_PREFIX
297 
#define USER_LABEL_PREFIX ""
298 
#endif
299 
 
300 
/* If the target supports weak symbols, define TARGET_ATTRIBUTE_WEAK to
301 
   provide a weak attribute.  Else define it to nothing.
302 
 
303 
   This would normally belong in ansidecl.h, but SUPPORTS_WEAK is
304 
   not available at that time.
305 
 
306 
   Note, this is only for use by target files which we know are to be
307 
   compiled by GCC.  */
308 
#ifndef TARGET_ATTRIBUTE_WEAK
309 
# if SUPPORTS_WEAK
310 
#  define TARGET_ATTRIBUTE_WEAK __attribute__ ((weak))
311 
# else
312 
#  define TARGET_ATTRIBUTE_WEAK
313 
# endif
314 
#endif
315 
 
316 
/* Determines whether we may use common symbols to represent one-only
317 
   semantics (a.k.a. "vague linkage").  */
318 
#ifndef USE_COMMON_FOR_ONE_ONLY
319 
# define USE_COMMON_FOR_ONE_ONLY 1
320 
#endif
321 
 
322 
/* By default we can assume that all global symbols are in one namespace,
323 
   across all shared libraries.  */
324 
#ifndef MULTIPLE_SYMBOL_SPACES
325 
# define MULTIPLE_SYMBOL_SPACES 0
326 
#endif
327 
 
328 
/* If the target supports init_priority C++ attribute, give
329 
   SUPPORTS_INIT_PRIORITY a nonzero value.  */
330 
#ifndef SUPPORTS_INIT_PRIORITY
331 
#define SUPPORTS_INIT_PRIORITY 1
332 
#endif /* SUPPORTS_INIT_PRIORITY */
333 
 
334 
/* If duplicate library search directories can be removed from a
335 
   linker command without changing the linker's semantics, give this
336 
   symbol a nonzero.  */
337 
#ifndef LINK_ELIMINATE_DUPLICATE_LDIRECTORIES
338 
#define LINK_ELIMINATE_DUPLICATE_LDIRECTORIES 0
339 
#endif /* LINK_ELIMINATE_DUPLICATE_LDIRECTORIES */
340 
 
341 
/* If we have a definition of INCOMING_RETURN_ADDR_RTX, assume that
342 
   the rest of the DWARF 2 frame unwind support is also provided.  */
343 
#if !defined (DWARF2_UNWIND_INFO) && defined (INCOMING_RETURN_ADDR_RTX) \
344 
    && !defined (TARGET_UNWIND_INFO)
345 
#define DWARF2_UNWIND_INFO 1
346 
#endif
347 
 
348 
/* If we have named sections, and we're using crtstuff to run ctors,
349 
   use them for registering eh frame information.  */
350 
#if defined (TARGET_ASM_NAMED_SECTION) && DWARF2_UNWIND_INFO \
351 
    && !defined(EH_FRAME_IN_DATA_SECTION)
352 
#ifndef EH_FRAME_SECTION_NAME
353 
#define EH_FRAME_SECTION_NAME ".eh_frame"
354 
#endif
355 
#endif
356 
 
357 
/* On many systems, different EH table encodings are used under
358 
   difference circumstances.  Some will require runtime relocations;
359 
   some will not.  For those that do not require runtime relocations,
360 
   we would like to make the table read-only.  However, since the
361 
   read-only tables may need to be combined with read-write tables
362 
   that do require runtime relocation, it is not safe to make the
363 
   tables read-only unless the linker will merge read-only and
364 
   read-write sections into a single read-write section.  If your
365 
   linker does not have this ability, but your system is such that no
366 
   encoding used with non-PIC code will ever require a runtime
367 
   relocation, then you can define EH_TABLES_CAN_BE_READ_ONLY to 1 in
368 
   your target configuration file.  */
369 
#ifndef EH_TABLES_CAN_BE_READ_ONLY
370 
#ifdef HAVE_LD_RO_RW_SECTION_MIXING
371 
#define EH_TABLES_CAN_BE_READ_ONLY 1
372 
#else
373 
#define EH_TABLES_CAN_BE_READ_ONLY 0
374 
#endif
375 
#endif
376 
 
377 
/* If we have named section and we support weak symbols, then use the
378 
   .jcr section for recording java classes which need to be registered
379 
   at program start-up time.  */
380 
#if defined (TARGET_ASM_NAMED_SECTION) && SUPPORTS_WEAK
381 
#ifndef JCR_SECTION_NAME
382 
#define JCR_SECTION_NAME ".jcr"
383 
#endif
384 
#endif
385 
 
386 
/* This decision to use a .jcr section can be overridden by defining
387 
   USE_JCR_SECTION to 0 in target file.  This is necessary if target
388 
   can define JCR_SECTION_NAME but does not have crtstuff or
389 
   linker support for .jcr section.  */
390 
#ifndef TARGET_USE_JCR_SECTION
391 
#ifdef JCR_SECTION_NAME
392 
#define TARGET_USE_JCR_SECTION 1
393 
#else
394 
#define TARGET_USE_JCR_SECTION 0
395 
#endif
396 
#endif
397 
 
398 
/* Number of hardware registers that go into the DWARF-2 unwind info.
399 
   If not defined, equals FIRST_PSEUDO_REGISTER  */
400 
 
401 
#ifndef DWARF_FRAME_REGISTERS
402 
#define DWARF_FRAME_REGISTERS FIRST_PSEUDO_REGISTER
403 
#endif
404 
 
405 
/* How to renumber registers for dbx and gdb.  If not defined, assume
406 
   no renumbering is necessary.  */
407 
 
408 
#ifndef DBX_REGISTER_NUMBER
409 
#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
410 
#endif
411 
 
412 
/* Default sizes for base C types.  If the sizes are different for
413 
   your target, you should override these values by defining the
414 
   appropriate symbols in your tm.h file.  */
415 
 
416 
#ifndef BITS_PER_UNIT
417 
#define BITS_PER_UNIT 8
418 
#endif
419 
 
420 
#ifndef BITS_PER_WORD
421 
#define BITS_PER_WORD (BITS_PER_UNIT * UNITS_PER_WORD)
422 
#endif
423 
 
424 
#ifndef CHAR_TYPE_SIZE
425 
#define CHAR_TYPE_SIZE BITS_PER_UNIT
426 
#endif
427 
 
428 
#ifndef BOOL_TYPE_SIZE
429 
/* `bool' has size and alignment `1', on almost all platforms.  */
430 
#define BOOL_TYPE_SIZE CHAR_TYPE_SIZE
431 
#endif
432 
 
433 
#ifndef SHORT_TYPE_SIZE
434 
#define SHORT_TYPE_SIZE (BITS_PER_UNIT * MIN ((UNITS_PER_WORD + 1) / 2, 2))
435 
#endif
436 
 
437 
#ifndef INT_TYPE_SIZE
438 
#define INT_TYPE_SIZE BITS_PER_WORD
439 
#endif
440 
 
441 
#ifndef LONG_TYPE_SIZE
442 
#define LONG_TYPE_SIZE BITS_PER_WORD
443 
#endif
444 
 
445 
#ifndef LONG_LONG_TYPE_SIZE
446 
#define LONG_LONG_TYPE_SIZE (BITS_PER_WORD * 2)
447 
#endif
448 
 
449 
#ifndef WCHAR_TYPE_SIZE
450 
#define WCHAR_TYPE_SIZE INT_TYPE_SIZE
451 
#endif
452 
 
453 
#ifndef FLOAT_TYPE_SIZE
454 
#define FLOAT_TYPE_SIZE BITS_PER_WORD
455 
#endif
456 
 
457 
#ifndef DOUBLE_TYPE_SIZE
458 
#define DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
459 
#endif
460 
 
461 
#ifndef LONG_DOUBLE_TYPE_SIZE
462 
#define LONG_DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
463 
#endif
464 
 
465 
#ifndef DECIMAL32_TYPE_SIZE
466 
#define DECIMAL32_TYPE_SIZE 32
467 
#endif
468 
 
469 
#ifndef DECIMAL64_TYPE_SIZE
470 
#define DECIMAL64_TYPE_SIZE 64
471 
#endif
472 
 
473 
#ifndef DECIMAL128_TYPE_SIZE
474 
#define DECIMAL128_TYPE_SIZE 128
475 
#endif
476 
 
477 
#ifndef SHORT_FRACT_TYPE_SIZE
478 
#define SHORT_FRACT_TYPE_SIZE BITS_PER_UNIT
479 
#endif
480 
 
481 
#ifndef FRACT_TYPE_SIZE
482 
#define FRACT_TYPE_SIZE (BITS_PER_UNIT * 2)
483 
#endif
484 
 
485 
#ifndef LONG_FRACT_TYPE_SIZE
486 
#define LONG_FRACT_TYPE_SIZE (BITS_PER_UNIT * 4)
487 
#endif
488 
 
489 
#ifndef LONG_LONG_FRACT_TYPE_SIZE
490 
#define LONG_LONG_FRACT_TYPE_SIZE (BITS_PER_UNIT * 8)
491 
#endif
492 
 
493 
#ifndef SHORT_ACCUM_TYPE_SIZE
494 
#define SHORT_ACCUM_TYPE_SIZE (SHORT_FRACT_TYPE_SIZE * 2)
495 
#endif
496 
 
497 
#ifndef ACCUM_TYPE_SIZE
498 
#define ACCUM_TYPE_SIZE (FRACT_TYPE_SIZE * 2)
499 
#endif
500 
 
501 
#ifndef LONG_ACCUM_TYPE_SIZE
502 
#define LONG_ACCUM_TYPE_SIZE (LONG_FRACT_TYPE_SIZE * 2)
503 
#endif
504 
 
505 
#ifndef LONG_LONG_ACCUM_TYPE_SIZE
506 
#define LONG_LONG_ACCUM_TYPE_SIZE (LONG_LONG_FRACT_TYPE_SIZE * 2)
507 
#endif
508 
 
509 
/* We let tm.h override the types used here, to handle trivial differences
510 
   such as the choice of unsigned int or long unsigned int for size_t.
511 
   When machines start needing nontrivial differences in the size type,
512 
   it would be best to do something here to figure out automatically
513 
   from other information what type to use.  */
514 
 
515 
#ifndef SIZE_TYPE
516 
#define SIZE_TYPE "long unsigned int"
517 
#endif
518 
 
519 
#ifndef PID_TYPE
520 
#define PID_TYPE "int"
521 
#endif
522 
 
523 
/* If GCC knows the exact uint_least16_t and uint_least32_t types from
524 
   <stdint.h>, use them for char16_t and char32_t.  Otherwise, use
525 
   these guesses; getting the wrong type of a given width will not
526 
   affect C++ name mangling because in C++ these are distinct types
527 
   not typedefs.  */
528 
 
529 
#ifdef UINT_LEAST16_TYPE
530 
#define CHAR16_TYPE UINT_LEAST16_TYPE
531 
#else
532 
#define CHAR16_TYPE "short unsigned int"
533 
#endif
534 
 
535 
#ifdef UINT_LEAST32_TYPE
536 
#define CHAR32_TYPE UINT_LEAST32_TYPE
537 
#else
538 
#define CHAR32_TYPE "unsigned int"
539 
#endif
540 
 
541 
#ifndef WCHAR_TYPE
542 
#define WCHAR_TYPE "int"
543 
#endif
544 
 
545 
/* WCHAR_TYPE gets overridden by -fshort-wchar.  */
546 
#define MODIFIED_WCHAR_TYPE \
547 
        (flag_short_wchar ? "short unsigned int" : WCHAR_TYPE)
548 
 
549 
#ifndef PTRDIFF_TYPE
550 
#define PTRDIFF_TYPE "long int"
551 
#endif
552 
 
553 
#ifndef WINT_TYPE
554 
#define WINT_TYPE "unsigned int"
555 
#endif
556 
 
557 
#ifndef INTMAX_TYPE
558 
#define INTMAX_TYPE ((INT_TYPE_SIZE == LONG_LONG_TYPE_SIZE)     \
559 
                     ? "int"                                    \
560 
                     : ((LONG_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \
561 
                        ? "long int"                            \
562 
                        : "long long int"))
563 
#endif
564 
 
565 
#ifndef UINTMAX_TYPE
566 
#define UINTMAX_TYPE ((INT_TYPE_SIZE == LONG_LONG_TYPE_SIZE)    \
567 
                     ? "unsigned int"                           \
568 
                     : ((LONG_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \
569 
                        ? "long unsigned int"                   \
570 
                        : "long long unsigned int"))
571 
#endif
572 
 
573 
 
574 
/* There are no default definitions of these <stdint.h> types.  */
575 
 
576 
#ifndef SIG_ATOMIC_TYPE
577 
#define SIG_ATOMIC_TYPE ((const char *) NULL)
578 
#endif
579 
 
580 
#ifndef INT8_TYPE
581 
#define INT8_TYPE ((const char *) NULL)
582 
#endif
583 
 
584 
#ifndef INT16_TYPE
585 
#define INT16_TYPE ((const char *) NULL)
586 
#endif
587 
 
588 
#ifndef INT32_TYPE
589 
#define INT32_TYPE ((const char *) NULL)
590 
#endif
591 
 
592 
#ifndef INT64_TYPE
593 
#define INT64_TYPE ((const char *) NULL)
594 
#endif
595 
 
596 
#ifndef UINT8_TYPE
597 
#define UINT8_TYPE ((const char *) NULL)
598 
#endif
599 
 
600 
#ifndef UINT16_TYPE
601 
#define UINT16_TYPE ((const char *) NULL)
602 
#endif
603 
 
604 
#ifndef UINT32_TYPE
605 
#define UINT32_TYPE ((const char *) NULL)
606 
#endif
607 
 
608 
#ifndef UINT64_TYPE
609 
#define UINT64_TYPE ((const char *) NULL)
610 
#endif
611 
 
612 
#ifndef INT_LEAST8_TYPE
613 
#define INT_LEAST8_TYPE ((const char *) NULL)
614 
#endif
615 
 
616 
#ifndef INT_LEAST16_TYPE
617 
#define INT_LEAST16_TYPE ((const char *) NULL)
618 
#endif
619 
 
620 
#ifndef INT_LEAST32_TYPE
621 
#define INT_LEAST32_TYPE ((const char *) NULL)
622 
#endif
623 
 
624 
#ifndef INT_LEAST64_TYPE
625 
#define INT_LEAST64_TYPE ((const char *) NULL)
626 
#endif
627 
 
628 
#ifndef UINT_LEAST8_TYPE
629 
#define UINT_LEAST8_TYPE ((const char *) NULL)
630 
#endif
631 
 
632 
#ifndef UINT_LEAST16_TYPE
633 
#define UINT_LEAST16_TYPE ((const char *) NULL)
634 
#endif
635 
 
636 
#ifndef UINT_LEAST32_TYPE
637 
#define UINT_LEAST32_TYPE ((const char *) NULL)
638 
#endif
639 
 
640 
#ifndef UINT_LEAST64_TYPE
641 
#define UINT_LEAST64_TYPE ((const char *) NULL)
642 
#endif
643 
 
644 
#ifndef INT_FAST8_TYPE
645 
#define INT_FAST8_TYPE ((const char *) NULL)
646 
#endif
647 
 
648 
#ifndef INT_FAST16_TYPE
649 
#define INT_FAST16_TYPE ((const char *) NULL)
650 
#endif
651 
 
652 
#ifndef INT_FAST32_TYPE
653 
#define INT_FAST32_TYPE ((const char *) NULL)
654 
#endif
655 
 
656 
#ifndef INT_FAST64_TYPE
657 
#define INT_FAST64_TYPE ((const char *) NULL)
658 
#endif
659 
 
660 
#ifndef UINT_FAST8_TYPE
661 
#define UINT_FAST8_TYPE ((const char *) NULL)
662 
#endif
663 
 
664 
#ifndef UINT_FAST16_TYPE
665 
#define UINT_FAST16_TYPE ((const char *) NULL)
666 
#endif
667 
 
668 
#ifndef UINT_FAST32_TYPE
669 
#define UINT_FAST32_TYPE ((const char *) NULL)
670 
#endif
671 
 
672 
#ifndef UINT_FAST64_TYPE
673 
#define UINT_FAST64_TYPE ((const char *) NULL)
674 
#endif
675 
 
676 
#ifndef INTPTR_TYPE
677 
#define INTPTR_TYPE ((const char *) NULL)
678 
#endif
679 
 
680 
#ifndef UINTPTR_TYPE
681 
#define UINTPTR_TYPE ((const char *) NULL)
682 
#endif
683 
 
684 
/* Width in bits of a pointer.  Mind the value of the macro `Pmode'.  */
685 
#ifndef POINTER_SIZE
686 
#define POINTER_SIZE BITS_PER_WORD
687 
#endif
688 
 
689 
#ifndef PIC_OFFSET_TABLE_REGNUM
690 
#define PIC_OFFSET_TABLE_REGNUM INVALID_REGNUM
691 
#endif
692 
 
693 
#ifndef TARGET_DLLIMPORT_DECL_ATTRIBUTES
694 
#define TARGET_DLLIMPORT_DECL_ATTRIBUTES 0
695 
#endif
696 
 
697 
#ifndef TARGET_DECLSPEC
698 
#if TARGET_DLLIMPORT_DECL_ATTRIBUTES
699 
/* If the target supports the "dllimport" attribute, users are
700 
   probably used to the "__declspec" syntax.  */
701 
#define TARGET_DECLSPEC 1
702 
#else
703 
#define TARGET_DECLSPEC 0
704 
#endif
705 
#endif
706 
 
707 
/* By default, the preprocessor should be invoked the same way in C++
708 
   as in C.  */
709 
#ifndef CPLUSPLUS_CPP_SPEC
710 
#ifdef CPP_SPEC
711 
#define CPLUSPLUS_CPP_SPEC CPP_SPEC
712 
#endif
713 
#endif
714 
 
715 
#ifndef ACCUMULATE_OUTGOING_ARGS
716 
#define ACCUMULATE_OUTGOING_ARGS 0
717 
#endif
718 
 
719 
/* Supply a default definition for PUSH_ARGS.  */
720 
#ifndef PUSH_ARGS
721 
#ifdef PUSH_ROUNDING
722 
#define PUSH_ARGS       !ACCUMULATE_OUTGOING_ARGS
723 
#else
724 
#define PUSH_ARGS       0
725 
#endif
726 
#endif
727 
 
728 
/* Decide whether a function's arguments should be processed
729 
   from first to last or from last to first.
730 
 
731 
   They should if the stack and args grow in opposite directions, but
732 
   only if we have push insns.  */
733 
 
734 
#ifdef PUSH_ROUNDING
735 
 
736 
#ifndef PUSH_ARGS_REVERSED
737 
#if defined (STACK_GROWS_DOWNWARD) != defined (ARGS_GROW_DOWNWARD)
738 
#define PUSH_ARGS_REVERSED  PUSH_ARGS
739 
#endif
740 
#endif
741 
 
742 
#endif
743 
 
744 
#ifndef PUSH_ARGS_REVERSED
745 
#define PUSH_ARGS_REVERSED 0
746 
#endif
747 
 
748 
/* Default value for the alignment (in bits) a C conformant malloc has to
749 
   provide. This default is intended to be safe and always correct.  */
750 
#ifndef MALLOC_ABI_ALIGNMENT
751 
#define MALLOC_ABI_ALIGNMENT BITS_PER_WORD
752 
#endif
753 
 
754 
/* If PREFERRED_STACK_BOUNDARY is not defined, set it to STACK_BOUNDARY.
755 
   STACK_BOUNDARY is required.  */
756 
#ifndef PREFERRED_STACK_BOUNDARY
757 
#define PREFERRED_STACK_BOUNDARY STACK_BOUNDARY
758 
#endif
759 
 
760 
/* Set INCOMING_STACK_BOUNDARY to PREFERRED_STACK_BOUNDARY if it is not
761 
   defined.  */
762 
#ifndef INCOMING_STACK_BOUNDARY
763 
#define INCOMING_STACK_BOUNDARY PREFERRED_STACK_BOUNDARY
764 
#endif
765 
 
766 
#ifndef TARGET_DEFAULT_PACK_STRUCT
767 
#define TARGET_DEFAULT_PACK_STRUCT 0
768 
#endif
769 
 
770 
/* By default, the C++ compiler will use function addresses in the
771 
   vtable entries.  Setting this nonzero tells the compiler to use
772 
   function descriptors instead.  The value of this macro says how
773 
   many words wide the descriptor is (normally 2).  It is assumed
774 
   that the address of a function descriptor may be treated as a
775 
   pointer to a function.  */
776 
#ifndef TARGET_VTABLE_USES_DESCRIPTORS
777 
#define TARGET_VTABLE_USES_DESCRIPTORS 0
778 
#endif
779 
 
780 
/* By default, the vtable entries are void pointers, the so the alignment
781 
   is the same as pointer alignment.  The value of this macro specifies
782 
   the alignment of the vtable entry in bits.  It should be defined only
783 
   when special alignment is necessary.  */
784 
#ifndef TARGET_VTABLE_ENTRY_ALIGN
785 
#define TARGET_VTABLE_ENTRY_ALIGN POINTER_SIZE
786 
#endif
787 
 
788 
/* There are a few non-descriptor entries in the vtable at offsets below
789 
   zero.  If these entries must be padded (say, to preserve the alignment
790 
   specified by TARGET_VTABLE_ENTRY_ALIGN), set this to the number of
791 
   words in each data entry.  */
792 
#ifndef TARGET_VTABLE_DATA_ENTRY_DISTANCE
793 
#define TARGET_VTABLE_DATA_ENTRY_DISTANCE 1
794 
#endif
795 
 
796 
/* Decide whether it is safe to use a local alias for a virtual function
797 
   when constructing thunks.  */
798 
#ifndef TARGET_USE_LOCAL_THUNK_ALIAS_P
799 
#ifdef ASM_OUTPUT_DEF
800 
#define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) 1
801 
#else
802 
#define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) 0
803 
#endif
804 
#endif
805 
 
806 
/* Select a format to encode pointers in exception handling data.  We
807 
   prefer those that result in fewer dynamic relocations.  Assume no
808 
   special support here and encode direct references.  */
809 
#ifndef ASM_PREFERRED_EH_DATA_FORMAT
810 
#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL)  DW_EH_PE_absptr
811 
#endif
812 
 
813 
/* By default, the C++ compiler will use the lowest bit of the pointer
814 
   to function to indicate a pointer-to-member-function points to a
815 
   virtual member function.  However, if FUNCTION_BOUNDARY indicates
816 
   function addresses aren't always even, the lowest bit of the delta
817 
   field will be used.  */
818 
#ifndef TARGET_PTRMEMFUNC_VBIT_LOCATION
819 
#define TARGET_PTRMEMFUNC_VBIT_LOCATION \
820 
  (FUNCTION_BOUNDARY >= 2 * BITS_PER_UNIT \
821 
   ? ptrmemfunc_vbit_in_pfn : ptrmemfunc_vbit_in_delta)
822 
#endif
823 
 
824 
#ifndef DEFAULT_GDB_EXTENSIONS
825 
#define DEFAULT_GDB_EXTENSIONS 1
826 
#endif
827 
 
828 
/* If more than one debugging type is supported, you must define
829 
   PREFERRED_DEBUGGING_TYPE to choose the default.  */
830 
 
831 
#if 1 < (defined (DBX_DEBUGGING_INFO) + defined (SDB_DEBUGGING_INFO) \
832 
         + defined (DWARF2_DEBUGGING_INFO) + defined (XCOFF_DEBUGGING_INFO) \
833 
         + defined (VMS_DEBUGGING_INFO))
834 
#ifndef PREFERRED_DEBUGGING_TYPE
835 
#error You must define PREFERRED_DEBUGGING_TYPE
836 
#endif /* no PREFERRED_DEBUGGING_TYPE */
837 
 
838 
/* If only one debugging format is supported, define PREFERRED_DEBUGGING_TYPE
839 
   here so other code needn't care.  */
840 
#elif defined DBX_DEBUGGING_INFO
841 
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
842 
 
843 
#elif defined SDB_DEBUGGING_INFO
844 
#define PREFERRED_DEBUGGING_TYPE SDB_DEBUG
845 
 
846 
#elif defined DWARF2_DEBUGGING_INFO
847 
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
848 
 
849 
#elif defined VMS_DEBUGGING_INFO
850 
#define PREFERRED_DEBUGGING_TYPE VMS_AND_DWARF2_DEBUG
851 
 
852 
#elif defined XCOFF_DEBUGGING_INFO
853 
#define PREFERRED_DEBUGGING_TYPE XCOFF_DEBUG
854 
 
855 
#else
856 
/* No debugging format is supported by this target.  */
857 
#define PREFERRED_DEBUGGING_TYPE NO_DEBUG
858 
#endif
859 
 
860 
#ifndef LARGEST_EXPONENT_IS_NORMAL
861 
#define LARGEST_EXPONENT_IS_NORMAL(SIZE) 0
862 
#endif
863 
 
864 
#ifndef ROUND_TOWARDS_ZERO
865 
#define ROUND_TOWARDS_ZERO 0
866 
#endif
867 
 
868 
#ifndef FLOAT_LIB_COMPARE_RETURNS_BOOL
869 
#define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) false
870 
#endif
871 
 
872 
/* True if the targets integer-comparison functions return { 0, 1, 2
873 
   } to indicate { <, ==, > }.  False if { -1, 0, 1 } is used
874 
   instead.  The libgcc routines are biased.  */
875 
#ifndef TARGET_LIB_INT_CMP_BIASED
876 
#define TARGET_LIB_INT_CMP_BIASED (true)
877 
#endif
878 
 
879 
/* If FLOAT_WORDS_BIG_ENDIAN is not defined in the header files,
880 
   then the word-endianness is the same as for integers.  */
881 
#ifndef FLOAT_WORDS_BIG_ENDIAN
882 
#define FLOAT_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
883 
#endif
884 
 
885 
#ifdef TARGET_FLT_EVAL_METHOD
886 
#define TARGET_FLT_EVAL_METHOD_NON_DEFAULT 1
887 
#else
888 
#define TARGET_FLT_EVAL_METHOD 0
889 
#define TARGET_FLT_EVAL_METHOD_NON_DEFAULT 0
890 
#endif
891 
 
892 
#ifndef TARGET_DEC_EVAL_METHOD
893 
#define TARGET_DEC_EVAL_METHOD 2
894 
#endif
895 
 
896 
#ifndef HOT_TEXT_SECTION_NAME
897 
#define HOT_TEXT_SECTION_NAME ".text.hot"
898 
#endif
899 
 
900 
#ifndef UNLIKELY_EXECUTED_TEXT_SECTION_NAME
901 
#define UNLIKELY_EXECUTED_TEXT_SECTION_NAME ".text.unlikely"
902 
#endif
903 
 
904 
#ifndef HAS_LONG_COND_BRANCH
905 
#define HAS_LONG_COND_BRANCH 0
906 
#endif
907 
 
908 
#ifndef HAS_LONG_UNCOND_BRANCH
909 
#define HAS_LONG_UNCOND_BRANCH 0
910 
#endif
911 
 
912 
/* By default, only attempt to parallelize bitwise operations, and
913 
   possibly adds/subtracts using bit-twiddling.  */
914 
#ifndef UNITS_PER_SIMD_WORD
915 
#define UNITS_PER_SIMD_WORD(MODE) UNITS_PER_WORD
916 
#endif
917 
 
918 
/* Determine whether __cxa_atexit, rather than atexit, is used to
919 
   register C++ destructors for local statics and global objects.  */
920 
#ifndef DEFAULT_USE_CXA_ATEXIT
921 
#define DEFAULT_USE_CXA_ATEXIT 0
922 
#endif
923 
 
924 
/* If none of these macros are defined, the port must use the new
925 
   technique of defining constraints in the machine description.
926 
   tm_p.h will define those macros that machine-independent code
927 
   still uses.  */
928 
#if  !defined CONSTRAINT_LEN                    \
929 
  && !defined REG_CLASS_FROM_LETTER             \
930 
  && !defined REG_CLASS_FROM_CONSTRAINT         \
931 
  && !defined CONST_OK_FOR_LETTER_P             \
932 
  && !defined CONST_OK_FOR_CONSTRAINT_P         \
933 
  && !defined CONST_DOUBLE_OK_FOR_LETTER_P      \
934 
  && !defined CONST_DOUBLE_OK_FOR_CONSTRAINT_P  \
935 
  && !defined EXTRA_CONSTRAINT                  \
936 
  && !defined EXTRA_CONSTRAINT_STR              \
937 
  && !defined EXTRA_MEMORY_CONSTRAINT           \
938 
  && !defined EXTRA_ADDRESS_CONSTRAINT
939 
 
940 
#define USE_MD_CONSTRAINTS
941 
 
942 
#if GCC_VERSION >= 3000 && defined IN_GCC
943 
/* These old constraint macros shouldn't appear anywhere in a
944 
   configuration using MD constraint definitions.  */
945 
#pragma GCC poison REG_CLASS_FROM_LETTER CONST_OK_FOR_LETTER_P \
946 
                   CONST_DOUBLE_OK_FOR_LETTER_P EXTRA_CONSTRAINT
947 
#endif
948 
 
949 
#else /* old constraint mechanism in use */
950 
 
951 
/* Determine whether extra constraint letter should be handled
952 
   via address reload (like 'o').  */
953 
#ifndef EXTRA_MEMORY_CONSTRAINT
954 
#define EXTRA_MEMORY_CONSTRAINT(C,STR) 0
955 
#endif
956 
 
957 
/* Determine whether extra constraint letter should be handled
958 
   as an address (like 'p').  */
959 
#ifndef EXTRA_ADDRESS_CONSTRAINT
960 
#define EXTRA_ADDRESS_CONSTRAINT(C,STR) 0
961 
#endif
962 
 
963 
/* When a port defines CONSTRAINT_LEN, it should use DEFAULT_CONSTRAINT_LEN
964 
   for all the characters that it does not want to change, so things like the
965 
  'length' of a digit in a matching constraint is an implementation detail,
966 
   and not part of the interface.  */
967 
#define DEFAULT_CONSTRAINT_LEN(C,STR) 1
968 
 
969 
#ifndef CONSTRAINT_LEN
970 
#define CONSTRAINT_LEN(C,STR) DEFAULT_CONSTRAINT_LEN (C, STR)
971 
#endif
972 
 
973 
#if defined (CONST_OK_FOR_LETTER_P) && ! defined (CONST_OK_FOR_CONSTRAINT_P)
974 
#define CONST_OK_FOR_CONSTRAINT_P(VAL,C,STR) CONST_OK_FOR_LETTER_P (VAL, C)
975 
#endif
976 
 
977 
#if defined (CONST_DOUBLE_OK_FOR_LETTER_P) && ! defined (CONST_DOUBLE_OK_FOR_CONSTRAINT_P)
978 
#define CONST_DOUBLE_OK_FOR_CONSTRAINT_P(OP,C,STR) \
979 
  CONST_DOUBLE_OK_FOR_LETTER_P (OP, C)
980 
#endif
981 
 
982 
#ifndef REG_CLASS_FROM_CONSTRAINT
983 
#define REG_CLASS_FROM_CONSTRAINT(C,STR) REG_CLASS_FROM_LETTER (C)
984 
#endif
985 
 
986 
#if defined (EXTRA_CONSTRAINT) && ! defined (EXTRA_CONSTRAINT_STR)
987 
#define EXTRA_CONSTRAINT_STR(OP, C,STR) EXTRA_CONSTRAINT (OP, C)
988 
#endif
989 
 
990 
#endif /* old constraint mechanism in use */
991 
 
992 
#ifndef REGISTER_MOVE_COST
993 
#define REGISTER_MOVE_COST(m, x, y) 2
994 
#endif
995 
 
996 
/* Determine whether the entire c99 runtime
997 
   is present in the runtime library.  */
998 
#ifndef TARGET_C99_FUNCTIONS
999 
#define TARGET_C99_FUNCTIONS 0
1000 
#endif
1001 
 
1002 
/* Determine whether the target runtime library has
1003 
   a sincos implementation following the GNU extension.  */
1004 
#ifndef TARGET_HAS_SINCOS
1005 
#define TARGET_HAS_SINCOS 0
1006 
#endif
1007 
 
1008 
/* Indicate that CLZ and CTZ are undefined at zero.  */
1009 
#ifndef CLZ_DEFINED_VALUE_AT_ZERO
1010 
#define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE)  0
1011 
#endif
1012 
#ifndef CTZ_DEFINED_VALUE_AT_ZERO
1013 
#define CTZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE)  0
1014 
#endif
1015 
 
1016 
/* Provide a default value for STORE_FLAG_VALUE.  */
1017 
#ifndef STORE_FLAG_VALUE
1018 
#define STORE_FLAG_VALUE  1
1019 
#endif
1020 
 
1021 
/* This macro is used to determine what the largest unit size that
1022 
   move_by_pieces can use is.  */
1023 
 
1024 
/* MOVE_MAX_PIECES is the number of bytes at a time which we can
1025 
   move efficiently, as opposed to  MOVE_MAX which is the maximum
1026 
   number of bytes we can move with a single instruction.  */
1027 
 
1028 
#ifndef MOVE_MAX_PIECES
1029 
#define MOVE_MAX_PIECES   MOVE_MAX
1030 
#endif
1031 
 
1032 
#ifndef STACK_POINTER_OFFSET
1033 
#define STACK_POINTER_OFFSET    0
1034 
#endif
1035 
 
1036 
#ifndef LOCAL_REGNO
1037 
#define LOCAL_REGNO(REGNO)  0
1038 
#endif
1039 
 
1040 
/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function,
1041 
   the stack pointer does not matter.  The value is tested only in
1042 
   functions that have frame pointers.  */
1043 
#ifndef EXIT_IGNORE_STACK
1044 
#define EXIT_IGNORE_STACK 0
1045 
#endif
1046 
 
1047 
/* Assume that case vectors are not pc-relative.  */
1048 
#ifndef CASE_VECTOR_PC_RELATIVE
1049 
#define CASE_VECTOR_PC_RELATIVE 0
1050 
#endif
1051 
 
1052 
/* Assume that trampolines need function alignment.  */
1053 
#ifndef TRAMPOLINE_ALIGNMENT
1054 
#define TRAMPOLINE_ALIGNMENT FUNCTION_BOUNDARY
1055 
#endif
1056 
 
1057 
/* Register mappings for target machines without register windows.  */
1058 
#ifndef INCOMING_REGNO
1059 
#define INCOMING_REGNO(N) (N)
1060 
#endif
1061 
 
1062 
#ifndef OUTGOING_REGNO
1063 
#define OUTGOING_REGNO(N) (N)
1064 
#endif
1065 
 
1066 
#ifndef SHIFT_COUNT_TRUNCATED
1067 
#define SHIFT_COUNT_TRUNCATED 0
1068 
#endif
1069 
 
1070 
#ifndef LEGITIMATE_PIC_OPERAND_P
1071 
#define LEGITIMATE_PIC_OPERAND_P(X) 1
1072 
#endif
1073 
 
1074 
#ifndef TARGET_MEM_CONSTRAINT
1075 
#define TARGET_MEM_CONSTRAINT 'm'
1076 
#endif
1077 
 
1078 
#ifndef REVERSIBLE_CC_MODE
1079 
#define REVERSIBLE_CC_MODE(MODE) 0
1080 
#endif
1081 
 
1082 
/* Biggest alignment supported by the object file format of this machine.  */
1083 
#ifndef MAX_OFILE_ALIGNMENT
1084 
#define MAX_OFILE_ALIGNMENT BIGGEST_ALIGNMENT
1085 
#endif
1086 
 
1087 
#ifndef FRAME_GROWS_DOWNWARD
1088 
#define FRAME_GROWS_DOWNWARD 0
1089 
#endif
1090 
 
1091 
/* On most machines, the CFA coincides with the first incoming parm.  */
1092 
#ifndef ARG_POINTER_CFA_OFFSET
1093 
#define ARG_POINTER_CFA_OFFSET(FNDECL) \
1094 
  (FIRST_PARM_OFFSET (FNDECL) + crtl->args.pretend_args_size)
1095 
#endif
1096 
 
1097 
/* On most machines, we use the CFA as DW_AT_frame_base.  */
1098 
#ifndef CFA_FRAME_BASE_OFFSET
1099 
#define CFA_FRAME_BASE_OFFSET(FNDECL) 0
1100 
#endif
1101 
 
1102 
/* The offset from the incoming value of %sp to the top of the stack frame
1103 
   for the current function.  */
1104 
#ifndef INCOMING_FRAME_SP_OFFSET
1105 
#define INCOMING_FRAME_SP_OFFSET 0
1106 
#endif
1107 
 
1108 
#ifndef HARD_REGNO_NREGS_HAS_PADDING
1109 
#define HARD_REGNO_NREGS_HAS_PADDING(REGNO, MODE) 0
1110 
#define HARD_REGNO_NREGS_WITH_PADDING(REGNO, MODE) -1
1111 
#endif
1112 
 
1113 
#ifndef OUTGOING_REG_PARM_STACK_SPACE
1114 
#define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 0
1115 
#endif
1116 
 
1117 
/* MAX_STACK_ALIGNMENT is the maximum stack alignment guaranteed by
1118 
   the backend.  MAX_SUPPORTED_STACK_ALIGNMENT is the maximum best
1119 
   effort stack alignment supported by the backend.  If the backend
1120 
   supports stack alignment, MAX_SUPPORTED_STACK_ALIGNMENT and
1121 
   MAX_STACK_ALIGNMENT are the same.  Otherwise, the incoming stack
1122 
   boundary will limit the maximum guaranteed stack alignment.  */
1123 
#ifdef MAX_STACK_ALIGNMENT
1124 
#define MAX_SUPPORTED_STACK_ALIGNMENT MAX_STACK_ALIGNMENT
1125 
#else
1126 
#define MAX_STACK_ALIGNMENT STACK_BOUNDARY
1127 
#define MAX_SUPPORTED_STACK_ALIGNMENT PREFERRED_STACK_BOUNDARY
1128 
#endif
1129 
 
1130 
#define SUPPORTS_STACK_ALIGNMENT (MAX_STACK_ALIGNMENT > STACK_BOUNDARY)
1131 
 
1132 
#ifndef LOCAL_ALIGNMENT
1133 
#define LOCAL_ALIGNMENT(TYPE, ALIGNMENT) ALIGNMENT
1134 
#endif
1135 
 
1136 
#ifndef STACK_SLOT_ALIGNMENT
1137 
#define STACK_SLOT_ALIGNMENT(TYPE,MODE,ALIGN) \
1138 
  ((TYPE) ? LOCAL_ALIGNMENT ((TYPE), (ALIGN)) : (ALIGN))
1139 
#endif
1140 
 
1141 
#ifndef LOCAL_DECL_ALIGNMENT
1142 
#define LOCAL_DECL_ALIGNMENT(DECL) \
1143 
  LOCAL_ALIGNMENT (TREE_TYPE (DECL), DECL_ALIGN (DECL))
1144 
#endif
1145 
 
1146 
#ifndef MINIMUM_ALIGNMENT
1147 
#define MINIMUM_ALIGNMENT(EXP,MODE,ALIGN) (ALIGN)
1148 
#endif
1149 
 
1150 
/* Alignment value for attribute ((aligned)).  */
1151 
#ifndef ATTRIBUTE_ALIGNED_VALUE
1152 
#define ATTRIBUTE_ALIGNED_VALUE BIGGEST_ALIGNMENT
1153 
#endif
1154 
 
1155 
/* Many ports have no mode-dependent addresses (except possibly autoincrement
1156 
   and autodecrement addresses, which are handled by target-independent code
1157 
   in recog.c).  */
1158 
#ifndef GO_IF_MODE_DEPENDENT_ADDRESS
1159 
#define GO_IF_MODE_DEPENDENT_ADDRESS(X, WIN)
1160 
#endif
1161 
 
1162 
/* For most ports anything that evaluates to a constant symbolic
1163 
   or integer value is acceptable as a constant address.  */
1164 
#ifndef CONSTANT_ADDRESS_P
1165 
#define CONSTANT_ADDRESS_P(X)   (CONSTANT_P (X) && GET_CODE (X) != CONST_DOUBLE)
1166 
#endif
1167 
 
1168 
#endif  /* ! GCC_DEFAULTS_H */

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