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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [elfos.h] - Blame information for rev 282

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1 282 jeremybenn
/* elfos.h  --  operating system specific defines to be used when
2
   targeting GCC for some generic ELF system
3
   Copyright (C) 1991, 1994, 1995, 1999, 2000, 2001, 2002, 2003, 2004,
4
   2007, 2009, 2010 Free Software Foundation, Inc.
5
   Based on svr4.h contributed by Ron Guilmette (rfg@netcom.com).
6
 
7
This file is part of GCC.
8
 
9
GCC is free software; you can redistribute it and/or modify
10
it under the terms of the GNU General Public License as published by
11
the Free Software Foundation; either version 3, or (at your option)
12
any later version.
13
 
14
GCC is distributed in the hope that it will be useful,
15
but WITHOUT ANY WARRANTY; without even the implied warranty of
16
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
GNU General Public License 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
#define TARGET_OBJFMT_CPP_BUILTINS()            \
29
  do                                            \
30
    {                                           \
31
        builtin_define ("__ELF__");             \
32
    }                                           \
33
  while (0)
34
 
35
/* Define a symbol indicating that we are using elfos.h.
36
   Some CPU specific configuration files use this.  */
37
#define USING_ELFOS_H
38
 
39
/* The prefix to add to user-visible assembler symbols.
40
 
41
   For ELF systems the convention is *not* to prepend a leading
42
   underscore onto user-level symbol names.  */
43
 
44
#undef  USER_LABEL_PREFIX
45
#define USER_LABEL_PREFIX ""
46
 
47
/* The biggest alignment supported by ELF in bits. 32-bit ELF
48
   supports section alignment up to (0x80000000 * 8), while
49
   64-bit ELF supports (0x8000000000000000 * 8). If this macro
50
   is not defined, the default is the largest alignment supported
51
   by 32-bit ELF and representable on a 32-bit host. Use this
52
   macro to limit the alignment which can be specified using
53
   the `__attribute__ ((aligned (N)))' construct.  */
54
#ifndef MAX_OFILE_ALIGNMENT
55
#define MAX_OFILE_ALIGNMENT (((unsigned int) 1 << 28) * 8)
56
#endif
57
 
58
/* Use periods rather than dollar signs in special g++ assembler names.  */
59
 
60
#define NO_DOLLAR_IN_LABEL
61
 
62
/* Writing `int' for a bit-field forces int alignment for the structure.  */
63
 
64
#ifndef PCC_BITFIELD_TYPE_MATTERS
65
#define PCC_BITFIELD_TYPE_MATTERS 1
66
#endif
67
 
68
/* Handle #pragma weak and #pragma pack.  */
69
 
70
#define HANDLE_SYSV_PRAGMA 1
71
 
72
/* All ELF targets can support DWARF-2.  */
73
 
74
#define DWARF2_DEBUGGING_INFO 1
75
 
76
/* The GNU tools operate better with dwarf2, and it is required by some
77
   psABI's.  Since we don't have any native tools to be compatible with,
78
   default to dwarf2.  */
79
 
80
#ifndef PREFERRED_DEBUGGING_TYPE
81
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
82
#endif
83
 
84
/* All SVR4 targets use the ELF object file format.  */
85
#define OBJECT_FORMAT_ELF
86
 
87
 
88
/* Output #ident as a .ident.  */
89
 
90
#define ASM_OUTPUT_IDENT(FILE, NAME) \
91
  fprintf (FILE, "%s\"%s\"\n", IDENT_ASM_OP, NAME);
92
 
93
#define IDENT_ASM_OP "\t.ident\t"
94
 
95
#undef  SET_ASM_OP
96
#define SET_ASM_OP      "\t.set\t"
97
 
98
/* Most svr4 assemblers want a .file directive at the beginning of
99
   their input file.  */
100
#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
101
 
102
/* This is how to allocate empty space in some section.  The .zero
103
   pseudo-op is used for this on most svr4 assemblers.  */
104
 
105
#define SKIP_ASM_OP     "\t.zero\t"
106
 
107
#undef  ASM_OUTPUT_SKIP
108
#define ASM_OUTPUT_SKIP(FILE, SIZE) \
109
   fprintf ((FILE), "%s"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\
110
            SKIP_ASM_OP, (SIZE))
111
 
112
/* This is how to store into the string LABEL
113
   the symbol_ref name of an internal numbered label where
114
   PREFIX is the class of label and NUM is the number within the class.
115
   This is suitable for output with `assemble_name'.
116
 
117
   For most svr4 systems, the convention is that any symbol which begins
118
   with a period is not put into the linker symbol table by the assembler.  */
119
 
120
#undef  ASM_GENERATE_INTERNAL_LABEL
121
#define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM)         \
122
  do                                                            \
123
    {                                                           \
124
      sprintf (LABEL, "*.%s%u", PREFIX, (unsigned) (NUM));      \
125
    }                                                           \
126
  while (0)
127
 
128
/* Output the label which precedes a jumptable.  Note that for all svr4
129
   systems where we actually generate jumptables (which is to say every
130
   svr4 target except i386, where we use casesi instead) we put the jump-
131
   tables into the .rodata section and since other stuff could have been
132
   put into the .rodata section prior to any given jumptable, we have to
133
   make sure that the location counter for the .rodata section gets pro-
134
   perly re-aligned prior to the actual beginning of the jump table.  */
135
 
136
#undef ALIGN_ASM_OP
137
#define ALIGN_ASM_OP "\t.align\t"
138
 
139
#ifndef ASM_OUTPUT_BEFORE_CASE_LABEL
140
#define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE, PREFIX, NUM, TABLE) \
141
  ASM_OUTPUT_ALIGN ((FILE), 2);
142
#endif
143
 
144
#undef  ASM_OUTPUT_CASE_LABEL
145
#define ASM_OUTPUT_CASE_LABEL(FILE, PREFIX, NUM, JUMPTABLE)             \
146
  do                                                                    \
147
    {                                                                   \
148
      ASM_OUTPUT_BEFORE_CASE_LABEL (FILE, PREFIX, NUM, JUMPTABLE)       \
149
        (*targetm.asm_out.internal_label) (FILE, PREFIX, NUM);                  \
150
    }                                                                   \
151
  while (0)
152
 
153
/* The standard SVR4 assembler seems to require that certain builtin
154
   library routines (e.g. .udiv) be explicitly declared as .globl
155
   in each assembly file where they are referenced.  */
156
 
157
#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN)  \
158
  (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0))
159
 
160
/* This says how to output assembler code to declare an
161
   uninitialized external linkage data object.  Under SVR4,
162
   the linker seems to want the alignment of data objects
163
   to depend on their types.  We do exactly that here.  */
164
 
165
#define COMMON_ASM_OP   "\t.comm\t"
166
 
167
#undef  ASM_OUTPUT_ALIGNED_COMMON
168
#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN)              \
169
  do                                                                    \
170
    {                                                                   \
171
      fprintf ((FILE), "%s", COMMON_ASM_OP);                            \
172
      assemble_name ((FILE), (NAME));                                   \
173
      fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n",          \
174
               (SIZE), (ALIGN) / BITS_PER_UNIT);                        \
175
    }                                                                   \
176
  while (0)
177
 
178
/* This says how to output assembler code to declare an
179
   uninitialized internal linkage data object.  Under SVR4,
180
   the linker seems to want the alignment of data objects
181
   to depend on their types.  We do exactly that here.  */
182
 
183
#define LOCAL_ASM_OP    "\t.local\t"
184
 
185
#undef  ASM_OUTPUT_ALIGNED_LOCAL
186
#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN)       \
187
  do                                                            \
188
    {                                                           \
189
      fprintf ((FILE), "%s", LOCAL_ASM_OP);                     \
190
      assemble_name ((FILE), (NAME));                           \
191
      fprintf ((FILE), "\n");                                   \
192
      ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN);      \
193
    }                                                           \
194
  while (0)
195
 
196
/* This is the pseudo-op used to generate a contiguous sequence of byte
197
   values from a double-quoted string WITHOUT HAVING A TERMINATING NUL
198
   AUTOMATICALLY APPENDED.  This is the same for most svr4 assemblers.  */
199
 
200
#undef  ASCII_DATA_ASM_OP
201
#define ASCII_DATA_ASM_OP       "\t.ascii\t"
202
 
203
/* Support a read-only data section.  */
204
#define READONLY_DATA_SECTION_ASM_OP    "\t.section\t.rodata"
205
 
206
/* On svr4, we *do* have support for the .init and .fini sections, and we
207
   can put stuff in there to be executed before and after `main'.  We let
208
   crtstuff.c and other files know this by defining the following symbols.
209
   The definitions say how to change sections to the .init and .fini
210
   sections.  This is the same for all known svr4 assemblers.  */
211
 
212
#define INIT_SECTION_ASM_OP     "\t.section\t.init"
213
#define FINI_SECTION_ASM_OP     "\t.section\t.fini"
214
 
215
/* Output assembly directive to move to the beginning of current section.  */
216
#ifdef HAVE_GAS_SUBSECTION_ORDERING
217
# define ASM_SECTION_START_OP   "\t.subsection\t-1"
218
# define ASM_OUTPUT_SECTION_START(FILE) \
219
  fprintf ((FILE), "%s\n", ASM_SECTION_START_OP)
220
#endif
221
 
222
#define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
223
 
224
/* Switch into a generic section.  */
225
#define TARGET_ASM_NAMED_SECTION  default_elf_asm_named_section
226
 
227
#undef  TARGET_ASM_SELECT_RTX_SECTION
228
#define TARGET_ASM_SELECT_RTX_SECTION default_elf_select_rtx_section
229
#undef  TARGET_ASM_SELECT_SECTION
230
#define TARGET_ASM_SELECT_SECTION default_elf_select_section
231
#undef  TARGET_HAVE_SWITCHABLE_BSS_SECTIONS
232
#define TARGET_HAVE_SWITCHABLE_BSS_SECTIONS true
233
 
234
/* Define the strings used for the special svr4 .type and .size directives.
235
   These strings generally do not vary from one system running svr4 to
236
   another, but if a given system (e.g. m88k running svr) needs to use
237
   different pseudo-op names for these, they may be overridden in the
238
   file which includes this one.  */
239
 
240
#define TYPE_ASM_OP     "\t.type\t"
241
#define SIZE_ASM_OP     "\t.size\t"
242
 
243
/* This is how we tell the assembler that a symbol is weak.  */
244
 
245
#define ASM_WEAKEN_LABEL(FILE, NAME)    \
246
  do                                    \
247
    {                                   \
248
      fputs ("\t.weak\t", (FILE));      \
249
      assemble_name ((FILE), (NAME));   \
250
      fputc ('\n', (FILE));             \
251
    }                                   \
252
  while (0)
253
 
254
/* The following macro defines the format used to output the second
255
   operand of the .type assembler directive.  Different svr4 assemblers
256
   expect various different forms for this operand.  The one given here
257
   is just a default.  You may need to override it in your machine-
258
   specific tm.h file (depending upon the particulars of your assembler).  */
259
 
260
#define TYPE_OPERAND_FMT        "@%s"
261
 
262
/* Write the extra assembler code needed to declare a function's result.
263
   Most svr4 assemblers don't require any special declaration of the
264
   result value, but there are exceptions.  */
265
 
266
#ifndef ASM_DECLARE_RESULT
267
#define ASM_DECLARE_RESULT(FILE, RESULT)
268
#endif
269
 
270
/* These macros generate the special .type and .size directives which
271
   are used to set the corresponding fields of the linker symbol table
272
   entries in an ELF object file under SVR4.  These macros also output
273
   the starting labels for the relevant functions/objects.  */
274
 
275
/* Write the extra assembler code needed to declare a function properly.
276
   Some svr4 assemblers need to also have something extra said about the
277
   function's return value.  We allow for that here.  */
278
 
279
#ifndef ASM_DECLARE_FUNCTION_NAME
280
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL)             \
281
  do                                                            \
282
    {                                                           \
283
      ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function");       \
284
      ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL));            \
285
      ASM_OUTPUT_LABEL (FILE, NAME);                            \
286
    }                                                           \
287
  while (0)
288
#endif
289
 
290
/* Write the extra assembler code needed to declare an object properly.  */
291
 
292
#ifdef HAVE_GAS_GNU_UNIQUE_OBJECT
293
#define USE_GNU_UNIQUE_OBJECT 1
294
#else
295
#define USE_GNU_UNIQUE_OBJECT 0
296
#endif
297
 
298
#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL)                       \
299
  do                                                                    \
300
    {                                                                   \
301
      HOST_WIDE_INT size;                                               \
302
                                                                        \
303
      /* For template static data member instantiations or              \
304
         inline fn local statics and their guard variables, use         \
305
         gnu_unique_object so that they will be combined even under     \
306
         RTLD_LOCAL.  Don't use gnu_unique_object for typeinfo,         \
307
         vtables and other read-only artificial decls.  */              \
308
      if (USE_GNU_UNIQUE_OBJECT && DECL_ONE_ONLY (DECL)                 \
309
          && (!DECL_ARTIFICIAL (DECL) || !TREE_READONLY (DECL)))        \
310
        ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "gnu_unique_object");    \
311
      else                                                              \
312
        ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object");               \
313
                                                                        \
314
      size_directive_output = 0;                                 \
315
      if (!flag_inhibit_size_directive                                  \
316
          && (DECL) && DECL_SIZE (DECL))                                \
317
        {                                                               \
318
          size_directive_output = 1;                                    \
319
          size = int_size_in_bytes (TREE_TYPE (DECL));                  \
320
          ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size);                 \
321
        }                                                               \
322
                                                                        \
323
      ASM_OUTPUT_LABEL (FILE, NAME);                                    \
324
    }                                                                   \
325
  while (0)
326
 
327
/* Output the size directive for a decl in rest_of_decl_compilation
328
   in the case where we did not do so before the initializer.
329
   Once we find the error_mark_node, we know that the value of
330
   size_directive_output was set
331
   by ASM_DECLARE_OBJECT_NAME when it was run for the same decl.  */
332
 
333
#undef ASM_FINISH_DECLARE_OBJECT
334
#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END)\
335
  do                                                            \
336
    {                                                           \
337
      const char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0);     \
338
      HOST_WIDE_INT size;                                       \
339
                                                                \
340
      if (!flag_inhibit_size_directive                          \
341
          && DECL_SIZE (DECL)                                   \
342
          && ! AT_END && TOP_LEVEL                              \
343
          && DECL_INITIAL (DECL) == error_mark_node             \
344
          && !size_directive_output)                            \
345
        {                                                       \
346
          size_directive_output = 1;                            \
347
          size = int_size_in_bytes (TREE_TYPE (DECL));          \
348
          ASM_OUTPUT_SIZE_DIRECTIVE (FILE, name, size);         \
349
        }                                                       \
350
    }                                                           \
351
  while (0)
352
 
353
/* This is how to declare the size of a function.  */
354
#ifndef ASM_DECLARE_FUNCTION_SIZE
355
#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL)            \
356
  do                                                            \
357
    {                                                           \
358
      if (!flag_inhibit_size_directive)                         \
359
        ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME);                 \
360
    }                                                           \
361
  while (0)
362
#endif
363
 
364
/* A table of bytes codes used by the ASM_OUTPUT_ASCII and
365
   ASM_OUTPUT_LIMITED_STRING macros.  Each byte in the table
366
   corresponds to a particular byte value [0..255].  For any
367
   given byte value, if the value in the corresponding table
368
   position is zero, the given character can be output directly.
369
   If the table value is 1, the byte must be output as a \ooo
370
   octal escape.  If the tables value is anything else, then the
371
   byte value should be output as a \ followed by the value
372
   in the table.  Note that we can use standard UN*X escape
373
   sequences for many control characters, but we don't use
374
   \a to represent BEL because some svr4 assemblers (e.g. on
375
   the i386) don't know about that.  Also, we don't use \v
376
   since some versions of gas, such as 2.2 did not accept it.  */
377
 
378
#define ESCAPES \
379
"\1\1\1\1\1\1\1\1btn\1fr\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
380
\0\0\"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\
381
\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\\\0\0\0\
382
\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\
383
\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
384
\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
385
\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
386
\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1"
387
 
388
/* Some svr4 assemblers have a limit on the number of characters which
389
   can appear in the operand of a .string directive.  If your assembler
390
   has such a limitation, you should define STRING_LIMIT to reflect that
391
   limit.  Note that at least some svr4 assemblers have a limit on the
392
   actual number of bytes in the double-quoted string, and that they
393
   count each character in an escape sequence as one byte.  Thus, an
394
   escape sequence like \377 would count as four bytes.
395
 
396
   If your target assembler doesn't support the .string directive, you
397
   should define this to zero.
398
*/
399
 
400
#define STRING_LIMIT    ((unsigned) 256)
401
 
402
#define STRING_ASM_OP   "\t.string\t"
403
 
404
/* The routine used to output NUL terminated strings.  We use a special
405
   version of this for most svr4 targets because doing so makes the
406
   generated assembly code more compact (and thus faster to assemble)
407
   as well as more readable, especially for targets like the i386
408
   (where the only alternative is to output character sequences as
409
   comma separated lists of numbers).  */
410
 
411
#define ASM_OUTPUT_LIMITED_STRING(FILE, STR)            \
412
  do                                                    \
413
    {                                                   \
414
      register const unsigned char *_limited_str =      \
415
        (const unsigned char *) (STR);                  \
416
      register unsigned ch;                             \
417
                                                        \
418
      fprintf ((FILE), "%s\"", STRING_ASM_OP);          \
419
                                                        \
420
      for (; (ch = *_limited_str); _limited_str++)      \
421
        {                                               \
422
          register int escape;                          \
423
                                                        \
424
          switch (escape = ESCAPES[ch])                 \
425
            {                                           \
426
            case 0:                                      \
427
              putc (ch, (FILE));                        \
428
              break;                                    \
429
            case 1:                                     \
430
              fprintf ((FILE), "\\%03o", ch);           \
431
              break;                                    \
432
            default:                                    \
433
              putc ('\\', (FILE));                      \
434
              putc (escape, (FILE));                    \
435
              break;                                    \
436
            }                                           \
437
        }                                               \
438
                                                        \
439
      fprintf ((FILE), "\"\n");                         \
440
    }                                                   \
441
  while (0)
442
 
443
/* The routine used to output sequences of byte values.  We use a special
444
   version of this for most svr4 targets because doing so makes the
445
   generated assembly code more compact (and thus faster to assemble)
446
   as well as more readable.  Note that if we find subparts of the
447
   character sequence which end with NUL (and which are shorter than
448
   STRING_LIMIT) we output those using ASM_OUTPUT_LIMITED_STRING.  */
449
 
450
#undef  ASM_OUTPUT_ASCII
451
#define ASM_OUTPUT_ASCII(FILE, STR, LENGTH)                             \
452
  do                                                                    \
453
    {                                                                   \
454
      const unsigned char *_ascii_bytes =                               \
455
        (const unsigned char *) (STR);                                  \
456
      const unsigned char *limit = _ascii_bytes + (LENGTH);             \
457
      const unsigned char *last_null = NULL;                            \
458
      unsigned bytes_in_chunk = 0;                                       \
459
                                                                        \
460
      for (; _ascii_bytes < limit; _ascii_bytes++)                      \
461
        {                                                               \
462
          const unsigned char *p;                                       \
463
                                                                        \
464
          if (bytes_in_chunk >= 60)                                     \
465
            {                                                           \
466
              fprintf ((FILE), "\"\n");                                 \
467
              bytes_in_chunk = 0;                                        \
468
            }                                                           \
469
                                                                        \
470
          if (_ascii_bytes > last_null)                                 \
471
            {                                                           \
472
              for (p = _ascii_bytes; p < limit && *p != '\0'; p++)      \
473
                continue;                                               \
474
              last_null = p;                                            \
475
            }                                                           \
476
          else                                                          \
477
            p = last_null;                                              \
478
                                                                        \
479
          if (p < limit && (p - _ascii_bytes) <= (long)STRING_LIMIT)    \
480
            {                                                           \
481
              if (bytes_in_chunk > 0)                                    \
482
                {                                                       \
483
                  fprintf ((FILE), "\"\n");                             \
484
                  bytes_in_chunk = 0;                                    \
485
                }                                                       \
486
                                                                        \
487
              ASM_OUTPUT_LIMITED_STRING ((FILE), _ascii_bytes);         \
488
              _ascii_bytes = p;                                         \
489
            }                                                           \
490
          else                                                          \
491
            {                                                           \
492
              register int escape;                                      \
493
              register unsigned ch;                                     \
494
                                                                        \
495
              if (bytes_in_chunk == 0)                                   \
496
                fprintf ((FILE), "%s\"", ASCII_DATA_ASM_OP);            \
497
                                                                        \
498
              switch (escape = ESCAPES[ch = *_ascii_bytes])             \
499
                {                                                       \
500
                case 0:                                                  \
501
                  putc (ch, (FILE));                                    \
502
                  bytes_in_chunk++;                                     \
503
                  break;                                                \
504
                case 1:                                                 \
505
                  fprintf ((FILE), "\\%03o", ch);                       \
506
                  bytes_in_chunk += 4;                                  \
507
                  break;                                                \
508
                default:                                                \
509
                  putc ('\\', (FILE));                                  \
510
                  putc (escape, (FILE));                                \
511
                  bytes_in_chunk += 2;                                  \
512
                  break;                                                \
513
                }                                                       \
514
            }                                                           \
515
        }                                                               \
516
                                                                        \
517
      if (bytes_in_chunk > 0)                                            \
518
        fprintf ((FILE), "\"\n");                                       \
519
    }                                                                   \
520
  while (0)
521
 
522
/* Allow the use of the -frecord-gcc-switches switch via the
523
   elf_record_gcc_switches function defined in varasm.c.  */
524
#undef  TARGET_ASM_RECORD_GCC_SWITCHES
525
#define TARGET_ASM_RECORD_GCC_SWITCHES elf_record_gcc_switches
526
 
527
/* A C statement (sans semicolon) to output to the stdio stream STREAM
528
   any text necessary for declaring the name of an external symbol
529
   named NAME which is referenced in this compilation but not defined.
530
   It is needed to properly support non-default visibility.  */
531
 
532
#ifndef ASM_OUTPUT_EXTERNAL
533
#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
534
  default_elf_asm_output_external (FILE, DECL, NAME)
535
#endif

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