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[/] [or1k_old/] [trunk/] [gdb-5.3/] [bfd/] [libaout.h] - Blame information for rev 1782

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1 1181 sfurman
/* BFD back-end data structures for a.out (and similar) files.
2
   Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
3
   2000, 2001
4
   Free Software Foundation, Inc.
5
   Written by Cygnus Support.
6
 
7
This file is part of BFD, the Binary File Descriptor library.
8
 
9
This program 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 2 of the License, or
12
(at your option) any later version.
13
 
14
This program 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
You should have received a copy of the GNU General Public License
20
along with this program; if not, write to the Free Software
21
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
22
 
23
#ifndef LIBAOUT_H
24
#define LIBAOUT_H
25
 
26
/* We try to encapsulate the differences in the various a.out file
27
   variants in a few routines, and otherwise share large masses of code.
28
   This means we only have to fix bugs in one place, most of the time.  */
29
 
30
#include "bfdlink.h"
31
 
32
/* Macros for accessing components in an aout header.  Saves cluttering
33
   the source with (bfd_vma) and (bfd_byte *) casts.  */
34
 
35
#define H_PUT_64(abfd, val, where) \
36
  bfd_h_put_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
37
 
38
#define H_PUT_32(abfd, val, where) \
39
  bfd_h_put_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
40
 
41
#define H_PUT_16(abfd, val, where) \
42
  bfd_h_put_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
43
 
44
#define H_PUT_8 bfd_h_put_8
45
 
46
#define H_PUT_S64(abfd, val, where) \
47
  bfd_h_put_signed_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
48
 
49
#define H_PUT_S32(abfd, val, where) \
50
  bfd_h_put_signed_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
51
 
52
#define H_PUT_S16(abfd, val, where) \
53
  bfd_h_put_signed_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
54
 
55
#define H_PUT_S8 bfd_h_put_signed_8
56
 
57
#define H_GET_64(abfd, where) \
58
  bfd_h_get_64 ((abfd), (bfd_byte *) (where))
59
 
60
#define H_GET_32(abfd, where) \
61
  bfd_h_get_32 ((abfd), (bfd_byte *) (where))
62
 
63
#define H_GET_16(abfd, where) \
64
  bfd_h_get_16 ((abfd), (bfd_byte *) (where))
65
 
66
#define H_GET_8 bfd_h_get_8
67
 
68
#define H_GET_S64(abfd, where) \
69
  bfd_h_get_signed_64 ((abfd), (bfd_byte *) (where))
70
 
71
#define H_GET_S32(abfd, where) \
72
  bfd_h_get_signed_32 ((abfd), (bfd_byte *) (where))
73
 
74
#define H_GET_S16(abfd, where) \
75
  bfd_h_get_signed_16 ((abfd), (bfd_byte *) (where))
76
 
77
#define H_GET_S8 bfd_h_get_signed_8
78
 
79
/* Parameterize the a.out code based on whether it is being built
80
   for a 32-bit architecture or a 64-bit architecture.  */
81
/* Do not "beautify" the CONCAT* macro args.  Traditional C will not
82
   remove whitespace added here, and thus will fail to concatenate
83
   the tokens.  */
84
#if ARCH_SIZE==64
85
#define GET_WORD H_GET_64
86
#define GET_SWORD H_GET_S64
87
#define GET_MAGIC H_GET_32
88
#define PUT_WORD H_PUT_64
89
#define PUT_MAGIC H_PUT_32
90
#ifndef NAME
91
#define NAME(x,y) CONCAT3 (x,_64_,y)
92
#endif
93
#define JNAME(x) CONCAT2 (x,_64)
94
#define BYTES_IN_WORD 8
95
#else
96
#if ARCH_SIZE==16
97
#define GET_WORD H_GET_16
98
#define GET_SWORD H_GET_S16
99
#define GET_MAGIC H_GET_16
100
#define PUT_WORD H_PUT_16
101
#define PUT_MAGIC H_PUT_16
102
#ifndef NAME
103
#define NAME(x,y) CONCAT3 (x,_16_,y)
104
#endif
105
#define JNAME(x) CONCAT2 (x,_16)
106
#define BYTES_IN_WORD 2
107
#else /* ARCH_SIZE == 32 */
108
#define GET_WORD H_GET_32
109
#define GET_SWORD H_GET_S32
110
#define GET_MAGIC H_GET_32
111
#define PUT_WORD H_PUT_32
112
#define PUT_MAGIC H_PUT_32
113
#ifndef NAME
114
#define NAME(x,y) CONCAT3 (x,_32_,y)
115
#endif
116
#define JNAME(x) CONCAT2 (x,_32)
117
#define BYTES_IN_WORD 4
118
#endif /* ARCH_SIZE==32 */
119
#endif /* ARCH_SIZE==64 */
120
 
121
/* Declare at file level, since used in parameter lists, which have
122
   weird scope.  */
123
struct external_exec;
124
struct external_nlist;
125
struct reloc_ext_external;
126
struct reloc_std_external;
127
 
128
/* a.out backend linker hash table entries.  */
129
 
130
struct aout_link_hash_entry
131
{
132
  struct bfd_link_hash_entry root;
133
  /* Whether this symbol has been written out.  */
134
  boolean written;
135
  /* Symbol index in output file.  */
136
  int indx;
137
};
138
 
139
/* a.out backend linker hash table.  */
140
 
141
struct aout_link_hash_table
142
{
143
  struct bfd_link_hash_table root;
144
};
145
 
146
/* Look up an entry in an a.out link hash table.  */
147
 
148
#define aout_link_hash_lookup(table, string, create, copy, follow) \
149
  ((struct aout_link_hash_entry *) \
150
   bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow)))
151
 
152
/* Traverse an a.out link hash table.  */
153
 
154
#define aout_link_hash_traverse(table, func, info)                      \
155
  (bfd_link_hash_traverse                                               \
156
   (&(table)->root,                                                     \
157
    (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func),  \
158
    (info)))
159
 
160
/* Get the a.out link hash table from the info structure.  This is
161
   just a cast.  */
162
 
163
#define aout_hash_table(p) ((struct aout_link_hash_table *) ((p)->hash))
164
 
165
/* Back-end information for various a.out targets.  */
166
struct aout_backend_data
167
{
168
  /* Are ZMAGIC files mapped contiguously?  If so, the text section may
169
     need more padding, if the segment size (granularity for memory access
170
     control) is larger than the page size.  */
171
  unsigned char zmagic_mapped_contiguous;
172
  /* If this flag is set, ZMAGIC/NMAGIC file headers get mapped in with the
173
     text section, which starts immediately after the file header.
174
     If not, the text section starts on the next page.  */
175
  unsigned char text_includes_header;
176
 
177
  /* If this flag is set, then if the entry address is not in the
178
     first SEGMENT_SIZE bytes of the text section, it is taken to be
179
     the address of the start of the text section.  This can be useful
180
     for kernels.  */
181
  unsigned char entry_is_text_address;
182
 
183
  /* The value to pass to N_SET_FLAGS.  */
184
  unsigned char exec_hdr_flags;
185
 
186
  /* If the text section VMA isn't specified, and we need an absolute
187
     address, use this as the default.  If we're producing a relocatable
188
     file, zero is always used.  */
189
  /* ?? Perhaps a callback would be a better choice?  Will this do anything
190
     reasonable for a format that handles multiple CPUs with different
191
     load addresses for each?  */
192
  bfd_vma default_text_vma;
193
 
194
  /* Callback for setting the page and segment sizes, if they can't be
195
     trivially determined from the architecture.  */
196
  boolean (*set_sizes)
197
    PARAMS ((bfd *));
198
 
199
  /* zmagic files only. For go32, the length of the exec header contributes
200
     to the size of the text section in the file for alignment purposes but
201
     does *not* get counted in the length of the text section. */
202
  unsigned char exec_header_not_counted;
203
 
204
  /* Callback from the add symbols phase of the linker code to handle
205
     a dynamic object.  */
206
  boolean (*add_dynamic_symbols)
207
    PARAMS ((bfd *, struct bfd_link_info *, struct external_nlist **,
208
             bfd_size_type *, char **));
209
 
210
  /* Callback from the add symbols phase of the linker code to handle
211
     adding a single symbol to the global linker hash table.  */
212
  boolean (*add_one_symbol)
213
    PARAMS ((struct bfd_link_info *, bfd *, const char *, flagword,
214
             asection *, bfd_vma, const char *, boolean, boolean,
215
             struct bfd_link_hash_entry **));
216
 
217
  /* Called to handle linking a dynamic object.  */
218
  boolean (*link_dynamic_object)
219
    PARAMS ((struct bfd_link_info *, bfd *));
220
 
221
  /* Called for each global symbol being written out by the linker.
222
     This should write out the dynamic symbol information.  */
223
  boolean (*write_dynamic_symbol)
224
    PARAMS ((bfd *, struct bfd_link_info *, struct aout_link_hash_entry *));
225
 
226
  /* If this callback is not NULL, the linker calls it for each reloc.
227
     RELOC is a pointer to the unswapped reloc.  If *SKIP is set to
228
     true, the reloc will be skipped.  *RELOCATION may be changed to
229
     change the effects of the relocation.  */
230
  boolean (*check_dynamic_reloc)
231
    PARAMS ((struct bfd_link_info *info, bfd *input_bfd,
232
             asection *input_section, struct aout_link_hash_entry *h,
233
             PTR reloc, bfd_byte *contents, boolean *skip,
234
             bfd_vma *relocation));
235
 
236
  /* Called at the end of a link to finish up any dynamic linking
237
     information.  */
238
  boolean (*finish_dynamic_link)
239
    PARAMS ((bfd *, struct bfd_link_info *));
240
};
241
#define aout_backend_info(abfd) \
242
        ((const struct aout_backend_data *)((abfd)->xvec->backend_data))
243
 
244
/* This is the layout in memory of a "struct exec" while we process it.
245
   All 'lengths' are given as a number of bytes.
246
   All 'alignments' are for relinkable files only;  an alignment of
247
        'n' indicates the corresponding segment must begin at an
248
        address that is a multiple of (2**n).  */
249
 
250
struct internal_exec
251
{
252
    long a_info;                /* Magic number and flags, packed */
253
    bfd_vma a_text;             /* length of text, in bytes  */
254
    bfd_vma a_data;             /* length of data, in bytes  */
255
    bfd_vma a_bss;              /* length of uninitialized data area in mem */
256
    bfd_vma a_syms;             /* length of symbol table data in file */
257
    bfd_vma a_entry;            /* start address */
258
    bfd_vma a_trsize;           /* length of text's relocation info, in bytes */
259
    bfd_vma a_drsize;           /* length of data's relocation info, in bytes */
260
    /* Added for i960 */
261
    bfd_vma a_tload;            /* Text runtime load address */
262
    bfd_vma a_dload;            /* Data runtime load address */
263
    unsigned char a_talign;     /* Alignment of text segment */
264
    unsigned char a_dalign;     /* Alignment of data segment */
265
    unsigned char a_balign;     /* Alignment of bss segment */
266
    char a_relaxable;           /* Enough info for linker relax */
267
};
268
 
269
/* Magic number is written
270
< MSB          >
271
3130292827262524232221201918171615141312111009080706050403020100
272
< FLAGS        >< MACHINE TYPE ><  MAGIC NUMBER                >
273
*/
274
/* Magic number for NetBSD is
275
<MSB           >
276
3130292827262524232221201918171615141312111009080706050403020100
277
< FLAGS    >< MACHINE TYPE     ><  MAGIC NUMBER                >
278
*/
279
 
280
enum machine_type {
281
  M_UNKNOWN = 0,
282
  M_68010 = 1,
283
  M_68020 = 2,
284
  M_SPARC = 3,
285
  /* skip a bunch so we don't run into any of suns numbers */
286
  /* make these up for the ns32k*/
287
  M_NS32032 = (64),             /* ns32032 running ? */
288
  M_NS32532 = (64 + 5),         /* ns32532 running mach */
289
 
290
  M_386 = 100,
291
  M_29K = 101,          /* AMD 29000 */
292
  M_386_DYNIX = 102,    /* Sequent running dynix */
293
  M_ARM = 103,          /* Advanced Risc Machines ARM */
294
  M_SPARCLET = 131,     /* SPARClet = M_SPARC + 128 */
295
  M_386_NETBSD = 134,   /* NetBSD/i386 binary */
296
  M_68K_NETBSD = 135,   /* NetBSD/m68k binary */
297
  M_68K4K_NETBSD = 136, /* NetBSD/m68k4k binary */
298
  M_532_NETBSD = 137,   /* NetBSD/ns32k binary */
299
  M_SPARC_NETBSD = 138, /* NetBSD/sparc binary */
300
  M_PMAX_NETBSD = 139,  /* NetBSD/pmax (MIPS little-endian) binary */
301
  M_VAX_NETBSD = 140,   /* NetBSD/vax binary */
302
  M_ALPHA_NETBSD = 141, /* NetBSD/alpha binary */
303
  M_ARM6_NETBSD = 143,  /* NetBSD/arm32 binary */
304
  M_SPARCLET_1 = 147,   /* 0x93, reserved */
305
  M_VAX4K_NETBSD = 150, /* NetBSD/vax 4K pages binary */
306
  M_MIPS1 = 151,        /* MIPS R2000/R3000 binary */
307
  M_MIPS2 = 152,        /* MIPS R4000/R6000 binary */
308
  M_SPARCLET_2 = 163,   /* 0xa3, reserved */
309
  M_SPARCLET_3 = 179,   /* 0xb3, reserved */
310
  M_SPARCLET_4 = 195,   /* 0xc3, reserved */
311
  M_HP200 = 200,        /* HP 200 (68010) BSD binary */
312
  M_HP300 = (300 % 256), /* HP 300 (68020+68881) BSD binary */
313
  M_HPUX = (0x20c % 256), /* HP 200/300 HPUX binary */
314
  M_SPARCLET_5 = 211,   /* 0xd3, reserved */
315
  M_SPARCLET_6 = 227,   /* 0xe3, reserved */
316
  /*  M_SPARCLET_7 = 243        / * 0xf3, reserved */
317
  M_SPARCLITE_LE = 243,
318
  M_CRIS = 255          /* Axis CRIS binary.  */
319
};
320
 
321
#define N_DYNAMIC(exec) ((exec).a_info & 0x80000000)
322
 
323
#ifndef N_MAGIC
324
# define N_MAGIC(exec) ((exec).a_info & 0xffff)
325
#endif
326
 
327
#ifndef N_MACHTYPE
328
# define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff))
329
#endif
330
 
331
#ifndef N_FLAGS
332
# define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff)
333
#endif
334
 
335
#ifndef N_SET_INFO
336
# define N_SET_INFO(exec, magic, type, flags) \
337
((exec).a_info = ((magic) & 0xffff) \
338
 | (((int)(type) & 0xff) << 16) \
339
 | (((flags) & 0xff) << 24))
340
#endif
341
 
342
#ifndef N_SET_DYNAMIC
343
# define N_SET_DYNAMIC(exec, dynamic) \
344
((exec).a_info = (dynamic) ? (long) ((exec).a_info | 0x80000000) : \
345
((exec).a_info & 0x7fffffff))
346
#endif
347
 
348
#ifndef N_SET_MAGIC
349
# define N_SET_MAGIC(exec, magic) \
350
((exec).a_info = (((exec).a_info & 0xffff0000) | ((magic) & 0xffff)))
351
#endif
352
 
353
#ifndef N_SET_MACHTYPE
354
# define N_SET_MACHTYPE(exec, machtype) \
355
((exec).a_info = \
356
 ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16))
357
#endif
358
 
359
#ifndef N_SET_FLAGS
360
# define N_SET_FLAGS(exec, flags) \
361
((exec).a_info = \
362
 ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24))
363
#endif
364
 
365
typedef struct aout_symbol {
366
  asymbol symbol;
367
  short desc;
368
  char other;
369
  unsigned char type;
370
} aout_symbol_type;
371
 
372
/* The `tdata' struct for all a.out-like object file formats.
373
   Various things depend on this struct being around any time an a.out
374
   file is being handled.  An example is dbxread.c in GDB.  */
375
 
376
struct aoutdata {
377
  struct internal_exec *hdr;            /* exec file header */
378
  aout_symbol_type *symbols;            /* symtab for input bfd */
379
 
380
  /* For ease, we do this */
381
  asection *textsec;
382
  asection *datasec;
383
  asection *bsssec;
384
 
385
  /* We remember these offsets so that after check_file_format, we have
386
     no dependencies on the particular format of the exec_hdr.  */
387
  file_ptr sym_filepos;
388
  file_ptr str_filepos;
389
 
390
  /* Size of a relocation entry in external form */
391
  unsigned reloc_entry_size;
392
 
393
  /* Size of a symbol table entry in external form */
394
  unsigned symbol_entry_size;
395
 
396
  /* Page size - needed for alignment of demand paged files. */
397
  unsigned long page_size;
398
 
399
  /* Segment size - needed for alignment of demand paged files. */
400
  unsigned long segment_size;
401
 
402
  /* Zmagic disk block size - need to align the start of the text
403
     section in ZMAGIC binaries.  Normally the same as page_size.  */
404
  unsigned long zmagic_disk_block_size;
405
 
406
  unsigned exec_bytes_size;
407
  unsigned vma_adjusted : 1;
408
 
409
  /* used when a bfd supports several highly similar formats */
410
  enum
411
    {
412
      default_format = 0,
413
      /* Used on HP 9000/300 running HP/UX.  See hp300hpux.c.  */
414
      gnu_encap_format,
415
      /* Used on Linux, 386BSD, etc.  See include/aout/aout64.h.  */
416
      q_magic_format
417
    } subformat;
418
 
419
  enum
420
    {
421
      undecided_magic = 0,
422
      z_magic,
423
      o_magic,
424
      n_magic
425
    } magic;
426
 
427
  /* A buffer for find_nearest_line.  */
428
  char *line_buf;
429
 
430
  /* The external symbol information.  */
431
  struct external_nlist *external_syms;
432
  bfd_size_type external_sym_count;
433
  bfd_window sym_window;
434
  char *external_strings;
435
  bfd_size_type external_string_size;
436
  bfd_window string_window;
437
  struct aout_link_hash_entry **sym_hashes;
438
 
439
  /* A pointer for shared library information.  */
440
  PTR dynamic_info;
441
 
442
  /* A mapping from local symbols to offsets into the global offset
443
     table, used when linking on SunOS.  This is indexed by the symbol
444
     index.  */
445
  bfd_vma *local_got_offsets;
446
};
447
 
448
struct  aout_data_struct {
449
    struct aoutdata a;
450
    struct internal_exec e;
451
};
452
 
453
#define adata(bfd)              ((bfd)->tdata.aout_data->a)
454
#define exec_hdr(bfd)           (adata(bfd).hdr)
455
#define obj_aout_symbols(bfd)   (adata(bfd).symbols)
456
#define obj_textsec(bfd)        (adata(bfd).textsec)
457
#define obj_datasec(bfd)        (adata(bfd).datasec)
458
#define obj_bsssec(bfd)         (adata(bfd).bsssec)
459
#define obj_sym_filepos(bfd)    (adata(bfd).sym_filepos)
460
#define obj_str_filepos(bfd)    (adata(bfd).str_filepos)
461
#define obj_reloc_entry_size(bfd) (adata(bfd).reloc_entry_size)
462
#define obj_symbol_entry_size(bfd) (adata(bfd).symbol_entry_size)
463
#define obj_aout_subformat(bfd) (adata(bfd).subformat)
464
#define obj_aout_external_syms(bfd) (adata(bfd).external_syms)
465
#define obj_aout_external_sym_count(bfd) (adata(bfd).external_sym_count)
466
#define obj_aout_sym_window(bfd) (adata(bfd).sym_window)
467
#define obj_aout_external_strings(bfd) (adata(bfd).external_strings)
468
#define obj_aout_external_string_size(bfd) (adata(bfd).external_string_size)
469
#define obj_aout_string_window(bfd) (adata(bfd).string_window)
470
#define obj_aout_sym_hashes(bfd) (adata(bfd).sym_hashes)
471
#define obj_aout_dynamic_info(bfd) (adata(bfd).dynamic_info)
472
 
473
/* We take the address of the first element of an asymbol to ensure that the
474
   macro is only ever applied to an asymbol */
475
#define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd))
476
 
477
/* Information we keep for each a.out section.  This is currently only
478
   used by the a.out backend linker.  */
479
 
480
struct aout_section_data_struct
481
{
482
  /* The unswapped relocation entries for this section.  */
483
  PTR relocs;
484
};
485
 
486
#define aout_section_data(s) \
487
  ((struct aout_section_data_struct *) (s)->used_by_bfd)
488
 
489
#define set_aout_section_data(s,v) \
490
  ((s)->used_by_bfd = (PTR)&(v)->relocs)
491
 
492
/* Prototype declarations for functions defined in aoutx.h  */
493
 
494
extern boolean NAME(aout,squirt_out_relocs)
495
  PARAMS ((bfd *, asection *));
496
 
497
extern boolean NAME(aout,make_sections)
498
  PARAMS ((bfd *));
499
 
500
extern const bfd_target * NAME(aout,some_aout_object_p)
501
  PARAMS ((bfd *, struct internal_exec *, const bfd_target *(*) (bfd *)));
502
 
503
extern boolean NAME(aout,mkobject)
504
  PARAMS ((bfd *));
505
 
506
extern enum machine_type NAME(aout,machine_type)
507
  PARAMS ((enum bfd_architecture, unsigned long, boolean *));
508
 
509
extern boolean NAME(aout,set_arch_mach)
510
  PARAMS ((bfd *, enum bfd_architecture, unsigned long));
511
 
512
extern boolean NAME(aout,new_section_hook)
513
  PARAMS ((bfd *, asection *));
514
 
515
extern boolean NAME(aout,set_section_contents)
516
  PARAMS ((bfd *, sec_ptr, PTR, file_ptr, bfd_size_type));
517
 
518
extern asymbol * NAME(aout,make_empty_symbol)
519
  PARAMS ((bfd *));
520
 
521
extern boolean NAME(aout,translate_symbol_table)
522
  PARAMS ((bfd *, aout_symbol_type *, struct external_nlist *, bfd_size_type,
523
           char *, bfd_size_type, boolean));
524
 
525
extern boolean NAME(aout,slurp_symbol_table)
526
  PARAMS ((bfd *));
527
 
528
extern boolean NAME(aout,write_syms)
529
  PARAMS ((bfd *));
530
 
531
extern void NAME(aout,reclaim_symbol_table)
532
  PARAMS ((bfd *));
533
 
534
extern long NAME(aout,get_symtab_upper_bound)
535
  PARAMS ((bfd *));
536
 
537
extern long NAME(aout,get_symtab)
538
  PARAMS ((bfd *, asymbol **));
539
 
540
extern void NAME(aout,swap_ext_reloc_in)
541
  PARAMS ((bfd *, struct reloc_ext_external *, arelent *, asymbol **,
542
           bfd_size_type));
543
extern void NAME(aout,swap_std_reloc_in)
544
  PARAMS ((bfd *, struct reloc_std_external *, arelent *, asymbol **,
545
           bfd_size_type));
546
 
547
extern reloc_howto_type * NAME(aout,reloc_type_lookup)
548
  PARAMS ((bfd *, bfd_reloc_code_real_type));
549
 
550
extern boolean NAME(aout,slurp_reloc_table)
551
  PARAMS ((bfd *, sec_ptr, asymbol **));
552
 
553
extern long NAME(aout,canonicalize_reloc)
554
  PARAMS ((bfd *, sec_ptr, arelent **, asymbol **));
555
 
556
extern long NAME(aout,get_reloc_upper_bound)
557
  PARAMS ((bfd *, sec_ptr));
558
 
559
extern void NAME(aout,reclaim_reloc)
560
  PARAMS ((bfd *, sec_ptr));
561
 
562
extern alent * NAME(aout,get_lineno)
563
  PARAMS ((bfd *, asymbol *));
564
 
565
extern void NAME(aout,print_symbol)
566
  PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type));
567
 
568
extern void NAME(aout,get_symbol_info)
569
  PARAMS ((bfd *, asymbol *, symbol_info *));
570
 
571
extern boolean NAME(aout,find_nearest_line)
572
  PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
573
           const char **, unsigned int *));
574
 
575
extern long NAME(aout,read_minisymbols)
576
  PARAMS ((bfd *, boolean, PTR *, unsigned int *));
577
 
578
extern asymbol * NAME(aout,minisymbol_to_symbol)
579
  PARAMS ((bfd *, boolean, const PTR, asymbol *));
580
 
581
extern int NAME(aout,sizeof_headers)
582
  PARAMS ((bfd *, boolean));
583
 
584
extern boolean NAME(aout,adjust_sizes_and_vmas)
585
  PARAMS ((bfd *, bfd_size_type *, file_ptr *));
586
 
587
extern void NAME(aout,swap_exec_header_in)
588
  PARAMS ((bfd *, struct external_exec *, struct internal_exec *));
589
 
590
extern void NAME(aout,swap_exec_header_out)
591
  PARAMS ((bfd *, struct internal_exec *, struct external_exec *));
592
 
593
extern struct bfd_hash_entry * NAME(aout,link_hash_newfunc)
594
  PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
595
 
596
extern boolean NAME(aout,link_hash_table_init)
597
  PARAMS ((struct aout_link_hash_table *, bfd *,
598
           struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
599
                                       struct bfd_hash_table *,
600
                                       const char *)));
601
 
602
extern struct bfd_link_hash_table * NAME(aout,link_hash_table_create)
603
  PARAMS ((bfd *));
604
 
605
extern boolean NAME(aout,link_add_symbols)
606
  PARAMS ((bfd *, struct bfd_link_info *));
607
 
608
extern boolean NAME(aout,final_link)
609
  PARAMS ((bfd *, struct bfd_link_info *,
610
           void (*) (bfd *, file_ptr *, file_ptr *, file_ptr *)));
611
 
612
extern boolean NAME(aout,bfd_free_cached_info)
613
  PARAMS ((bfd *));
614
 
615
/* A.out uses the generic versions of these routines... */
616
 
617
#define aout_16_get_section_contents    _bfd_generic_get_section_contents
618
 
619
#define aout_32_get_section_contents    _bfd_generic_get_section_contents
620
 
621
#define aout_64_get_section_contents    _bfd_generic_get_section_contents
622
#ifndef NO_WRITE_HEADER_KLUDGE
623
#define NO_WRITE_HEADER_KLUDGE 0
624
#endif
625
 
626
#ifndef aout_32_bfd_is_local_label_name
627
#define aout_32_bfd_is_local_label_name bfd_generic_is_local_label_name
628
#endif
629
 
630
#ifndef WRITE_HEADERS
631
#define WRITE_HEADERS(abfd, execp)                                            \
632
      {                                                                       \
633
        bfd_size_type text_size; /* dummy vars */                             \
634
        file_ptr text_end;                                                    \
635
        if (adata(abfd).magic == undecided_magic)                             \
636
          NAME(aout,adjust_sizes_and_vmas) (abfd, &text_size, &text_end);     \
637
                                                                              \
638
        execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE;        \
639
        execp->a_entry = bfd_get_start_address (abfd);                        \
640
                                                                              \
641
        execp->a_trsize = ((obj_textsec (abfd)->reloc_count) *                \
642
                           obj_reloc_entry_size (abfd));                      \
643
        execp->a_drsize = ((obj_datasec (abfd)->reloc_count) *                \
644
                           obj_reloc_entry_size (abfd));                      \
645
        NAME(aout,swap_exec_header_out) (abfd, execp, &exec_bytes);           \
646
                                                                              \
647
        if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0                \
648
            || bfd_bwrite ((PTR) &exec_bytes, (bfd_size_type) EXEC_BYTES_SIZE, \
649
                          abfd) != EXEC_BYTES_SIZE)                           \
650
          return false;                                                       \
651
        /* Now write out reloc info, followed by syms and strings */          \
652
                                                                              \
653
        if (bfd_get_outsymbols (abfd) != (asymbol **) NULL                    \
654
            && bfd_get_symcount (abfd) != 0)                                   \
655
          {                                                                   \
656
            if (bfd_seek (abfd, (file_ptr) (N_SYMOFF(*execp)), SEEK_SET) != 0)\
657
              return false;                                                   \
658
                                                                              \
659
            if (! NAME(aout,write_syms) (abfd))                               \
660
              return false;                                                   \
661
          }                                                                   \
662
                                                                              \
663
        if (bfd_seek (abfd, (file_ptr) (N_TRELOFF(*execp)), SEEK_SET) != 0)   \
664
          return false;                                                       \
665
        if (!NAME(aout,squirt_out_relocs) (abfd, obj_textsec (abfd)))         \
666
          return false;                                                       \
667
                                                                              \
668
        if (bfd_seek (abfd, (file_ptr) (N_DRELOFF(*execp)), SEEK_SET) != 0)   \
669
          return false;                                                       \
670
        if (!NAME(aout,squirt_out_relocs) (abfd, obj_datasec (abfd)))         \
671
          return false;                                                       \
672
      }
673
#endif
674
 
675
#endif /* ! defined (LIBAOUT_H) */

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