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[/] [or1k/] [trunk/] [insight/] [bfd/] [libaout.h] - Blame information for rev 578

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/* 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
/* Parameterize the a.out code based on whether it is being built
33
   for a 32-bit architecture or a 64-bit architecture.  */
34
#if ARCH_SIZE==64
35
#define GET_WORD bfd_h_get_64
36
#define GET_SWORD bfd_h_get_signed_64
37
#define GET_MAGIC bfd_h_get_32
38
#define PUT_WORD bfd_h_put_64
39
#define PUT_MAGIC bfd_h_put_32
40
#ifndef NAME
41
#define NAME(x,y) CAT3(x,_64_,y)
42
#endif
43
#define JNAME(x) CAT(x,_64)
44
#define BYTES_IN_WORD 8
45
#else
46
#if ARCH_SIZE==16
47
#define GET_WORD bfd_h_get_16
48
#define GET_SWORD bfd_h_get_signed_16
49
#define GET_MAGIC bfd_h_get_16
50
#define PUT_WORD bfd_h_put_16
51
#define PUT_MAGIC bfd_h_put_16
52
#ifndef NAME
53
#define NAME(x,y) CAT3(x,_16_,y)
54
#endif
55
#define JNAME(x) CAT(x,_16)
56
#define BYTES_IN_WORD 2
57
#else /* ARCH_SIZE == 32 */
58
#define GET_WORD bfd_h_get_32
59
#define GET_SWORD bfd_h_get_signed_32
60
#define GET_MAGIC bfd_h_get_32
61
#define PUT_WORD bfd_h_put_32
62
#define PUT_MAGIC bfd_h_put_32
63
#ifndef NAME
64
#define NAME(x,y) CAT3(x,_32_,y)
65
#endif
66
#define JNAME(x) CAT(x,_32)
67
#define BYTES_IN_WORD 4
68
#endif /* ARCH_SIZE==32 */
69
#endif /* ARCH_SIZE==64 */
70
 
71
/* Declare at file level, since used in parameter lists, which have
72
   weird scope.  */
73
struct external_exec;
74
struct external_nlist;
75
struct reloc_ext_external;
76
struct reloc_std_external;
77
 
78
/* a.out backend linker hash table entries.  */
79
 
80
struct aout_link_hash_entry
81
{
82
  struct bfd_link_hash_entry root;
83
  /* Whether this symbol has been written out.  */
84
  boolean written;
85
  /* Symbol index in output file.  */
86
  int indx;
87
};
88
 
89
/* a.out backend linker hash table.  */
90
 
91
struct aout_link_hash_table
92
{
93
  struct bfd_link_hash_table root;
94
};
95
 
96
/* Look up an entry in an a.out link hash table.  */
97
 
98
#define aout_link_hash_lookup(table, string, create, copy, follow) \
99
  ((struct aout_link_hash_entry *) \
100
   bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow)))
101
 
102
/* Traverse an a.out link hash table.  */
103
 
104
#define aout_link_hash_traverse(table, func, info)                      \
105
  (bfd_link_hash_traverse                                               \
106
   (&(table)->root,                                                     \
107
    (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func),  \
108
    (info)))
109
 
110
/* Get the a.out link hash table from the info structure.  This is
111
   just a cast.  */
112
 
113
#define aout_hash_table(p) ((struct aout_link_hash_table *) ((p)->hash))
114
 
115
/* Back-end information for various a.out targets.  */
116
struct aout_backend_data
117
{
118
  /* Are ZMAGIC files mapped contiguously?  If so, the text section may
119
     need more padding, if the segment size (granularity for memory access
120
     control) is larger than the page size.  */
121
  unsigned char zmagic_mapped_contiguous;
122
  /* If this flag is set, ZMAGIC/NMAGIC file headers get mapped in with the
123
     text section, which starts immediately after the file header.
124
     If not, the text section starts on the next page.  */
125
  unsigned char text_includes_header;
126
 
127
  /* If this flag is set, then if the entry address is not in the
128
     first SEGMENT_SIZE bytes of the text section, it is taken to be
129
     the address of the start of the text section.  This can be useful
130
     for kernels.  */
131
  unsigned char entry_is_text_address;
132
 
133
  /* The value to pass to N_SET_FLAGS.  */
134
  unsigned char exec_hdr_flags;
135
 
136
  /* If the text section VMA isn't specified, and we need an absolute
137
     address, use this as the default.  If we're producing a relocatable
138
     file, zero is always used.  */
139
  /* ?? Perhaps a callback would be a better choice?  Will this do anything
140
     reasonable for a format that handles multiple CPUs with different
141
     load addresses for each?  */
142
  bfd_vma default_text_vma;
143
 
144
  /* Callback for setting the page and segment sizes, if they can't be
145
     trivially determined from the architecture.  */
146
  boolean (*set_sizes) PARAMS ((bfd *));
147
 
148
  /* zmagic files only. For go32, the length of the exec header contributes
149
     to the size of the text section in the file for alignment purposes but
150
     does *not* get counted in the length of the text section. */
151
  unsigned char exec_header_not_counted;
152
 
153
  /* Callback from the add symbols phase of the linker code to handle
154
     a dynamic object.  */
155
  boolean (*add_dynamic_symbols) PARAMS ((bfd *, struct bfd_link_info *,
156
                                          struct external_nlist **,
157
                                          bfd_size_type *, char **));
158
 
159
  /* Callback from the add symbols phase of the linker code to handle
160
     adding a single symbol to the global linker hash table.  */
161
  boolean (*add_one_symbol) PARAMS ((struct bfd_link_info *, bfd *,
162
                                     const char *, flagword, asection *,
163
                                     bfd_vma, const char *, boolean,
164
                                     boolean,
165
                                     struct bfd_link_hash_entry **));
166
 
167
  /* Called to handle linking a dynamic object.  */
168
  boolean (*link_dynamic_object) PARAMS ((struct bfd_link_info *, bfd *));
169
 
170
  /* Called for each global symbol being written out by the linker.
171
     This should write out the dynamic symbol information.  */
172
  boolean (*write_dynamic_symbol) PARAMS ((bfd *, struct bfd_link_info *,
173
                                           struct aout_link_hash_entry *));
174
 
175
  /* If this callback is not NULL, the linker calls it for each reloc.
176
     RELOC is a pointer to the unswapped reloc.  If *SKIP is set to
177
     true, the reloc will be skipped.  *RELOCATION may be changed to
178
     change the effects of the relocation.  */
179
  boolean (*check_dynamic_reloc) PARAMS ((struct bfd_link_info *info,
180
                                          bfd *input_bfd,
181
                                          asection *input_section,
182
                                          struct aout_link_hash_entry *h,
183
                                          PTR reloc, bfd_byte *contents,
184
                                          boolean *skip,
185
                                          bfd_vma *relocation));
186
 
187
  /* Called at the end of a link to finish up any dynamic linking
188
     information.  */
189
  boolean (*finish_dynamic_link) PARAMS ((bfd *, struct bfd_link_info *));
190
};
191
#define aout_backend_info(abfd) \
192
        ((CONST struct aout_backend_data *)((abfd)->xvec->backend_data))
193
 
194
/* This is the layout in memory of a "struct exec" while we process it.
195
   All 'lengths' are given as a number of bytes.
196
   All 'alignments' are for relinkable files only;  an alignment of
197
        'n' indicates the corresponding segment must begin at an
198
        address that is a multiple of (2**n).  */
199
 
200
struct internal_exec
201
{
202
    long a_info;                /* Magic number and flags, packed */
203
    bfd_vma a_text;             /* length of text, in bytes  */
204
    bfd_vma a_data;             /* length of data, in bytes  */
205
    bfd_vma a_bss;              /* length of uninitialized data area in mem */
206
    bfd_vma a_syms;             /* length of symbol table data in file */
207
    bfd_vma a_entry;            /* start address */
208
    bfd_vma a_trsize;           /* length of text's relocation info, in bytes */
209
    bfd_vma a_drsize;           /* length of data's relocation info, in bytes */
210
    /* Added for i960 */
211
    bfd_vma a_tload;            /* Text runtime load address */
212
    bfd_vma a_dload;            /* Data runtime load address */
213
    unsigned char a_talign;     /* Alignment of text segment */
214
    unsigned char a_dalign;     /* Alignment of data segment */
215
    unsigned char a_balign;     /* Alignment of bss segment */
216
    char a_relaxable;           /* Enough info for linker relax */
217
};
218
 
219
/* Magic number is written
220
< MSB          >
221
3130292827262524232221201918171615141312111009080706050403020100
222
< FLAGS        >< MACHINE TYPE ><  MAGIC NUMBER                >
223
*/
224
/* Magic number for NetBSD is
225
<MSB           >
226
3130292827262524232221201918171615141312111009080706050403020100
227
< FLAGS    >< MACHINE TYPE     ><  MAGIC NUMBER                >
228
*/
229
 
230
enum machine_type {
231
  M_UNKNOWN = 0,
232
  M_68010 = 1,
233
  M_68020 = 2,
234
  M_SPARC = 3,
235
  /* skip a bunch so we don't run into any of suns numbers */
236
  /* make these up for the ns32k*/
237
  M_NS32032 = (64),             /* ns32032 running ? */
238
  M_NS32532 = (64 + 5),         /* ns32532 running mach */
239
 
240
  M_386 = 100,
241
  M_29K = 101,          /* AMD 29000 */
242
  M_386_DYNIX = 102,    /* Sequent running dynix */
243
  M_ARM = 103,          /* Advanced Risc Machines ARM */
244
  M_SPARCLET = 131,     /* SPARClet = M_SPARC + 128 */
245
  M_386_NETBSD = 134,   /* NetBSD/i386 binary */
246
  M_68K_NETBSD = 135,   /* NetBSD/m68k binary */
247
  M_68K4K_NETBSD = 136, /* NetBSD/m68k4k binary */
248
  M_532_NETBSD = 137,   /* NetBSD/ns32k binary */
249
  M_SPARC_NETBSD = 138, /* NetBSD/sparc binary */
250
  M_PMAX_NETBSD = 139,  /* NetBSD/pmax (MIPS little-endian) binary */
251
  M_VAX_NETBSD = 140,   /* NetBSD/vax binary */
252
  M_ALPHA_NETBSD = 141, /* NetBSD/alpha binary */
253
  M_ARM6_NETBSD = 143,  /* NetBSD/arm32 binary */
254
  M_SPARCLET_1 = 147,   /* 0x93, reserved */
255
  M_MIPS1 = 151,        /* MIPS R2000/R3000 binary */
256
  M_MIPS2 = 152,        /* MIPS R4000/R6000 binary */
257
  M_SPARCLET_2 = 163,   /* 0xa3, reserved */
258
  M_SPARCLET_3 = 179,   /* 0xb3, reserved */
259
  M_SPARCLET_4 = 195,   /* 0xc3, reserved */
260
  M_HP200 = 200,        /* HP 200 (68010) BSD binary */
261
  M_HP300 = (300 % 256), /* HP 300 (68020+68881) BSD binary */
262
  M_HPUX = (0x20c % 256), /* HP 200/300 HPUX binary */
263
  M_SPARCLET_5 = 211,   /* 0xd3, reserved */
264
  M_SPARCLET_6 = 227,   /* 0xe3, reserved */
265
  /*  M_SPARCLET_7 = 243        / * 0xf3, reserved */
266
  M_SPARCLITE_LE = 243,
267
  M_CRIS = 255          /* Axis CRIS binary.  */
268
};
269
 
270
#define N_DYNAMIC(exec) ((exec).a_info & 0x80000000)
271
 
272
#ifndef N_MAGIC
273
# define N_MAGIC(exec) ((exec).a_info & 0xffff)
274
#endif
275
 
276
#ifndef N_MACHTYPE
277
# define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff))
278
#endif
279
 
280
#ifndef N_FLAGS
281
# define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff)
282
#endif
283
 
284
#ifndef N_SET_INFO
285
# define N_SET_INFO(exec, magic, type, flags) \
286
((exec).a_info = ((magic) & 0xffff) \
287
 | (((int)(type) & 0xff) << 16) \
288
 | (((flags) & 0xff) << 24))
289
#endif
290
 
291
#ifndef N_SET_DYNAMIC
292
# define N_SET_DYNAMIC(exec, dynamic) \
293
((exec).a_info = (dynamic) ? ((exec).a_info | 0x80000000) : \
294
((exec).a_info & 0x7fffffff))
295
#endif
296
 
297
#ifndef N_SET_MAGIC
298
# define N_SET_MAGIC(exec, magic) \
299
((exec).a_info = (((exec).a_info & 0xffff0000) | ((magic) & 0xffff)))
300
#endif
301
 
302
#ifndef N_SET_MACHTYPE
303
# define N_SET_MACHTYPE(exec, machtype) \
304
((exec).a_info = \
305
 ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16))
306
#endif
307
 
308
#ifndef N_SET_FLAGS
309
# define N_SET_FLAGS(exec, flags) \
310
((exec).a_info = \
311
 ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24))
312
#endif
313
 
314
typedef struct aout_symbol {
315
  asymbol symbol;
316
  short desc;
317
  char other;
318
  unsigned char type;
319
} aout_symbol_type;
320
 
321
/* The `tdata' struct for all a.out-like object file formats.
322
   Various things depend on this struct being around any time an a.out
323
   file is being handled.  An example is dbxread.c in GDB.  */
324
 
325
struct aoutdata {
326
  struct internal_exec *hdr;            /* exec file header */
327
  aout_symbol_type *symbols;            /* symtab for input bfd */
328
 
329
  /* For ease, we do this */
330
  asection *textsec;
331
  asection *datasec;
332
  asection *bsssec;
333
 
334
  /* We remember these offsets so that after check_file_format, we have
335
     no dependencies on the particular format of the exec_hdr.  */
336
  file_ptr sym_filepos;
337
  file_ptr str_filepos;
338
 
339
  /* Size of a relocation entry in external form */
340
  unsigned reloc_entry_size;
341
 
342
  /* Size of a symbol table entry in external form */
343
  unsigned symbol_entry_size;
344
 
345
  /* Page size - needed for alignment of demand paged files. */
346
  unsigned long page_size;
347
 
348
  /* Segment size - needed for alignment of demand paged files. */
349
  unsigned long segment_size;
350
 
351
  /* Zmagic disk block size - need to align the start of the text
352
     section in ZMAGIC binaries.  Normally the same as page_size.  */
353
  unsigned long zmagic_disk_block_size;
354
 
355
  unsigned exec_bytes_size;
356
  unsigned vma_adjusted : 1;
357
 
358
  /* used when a bfd supports several highly similar formats */
359
  enum
360
    {
361
      default_format = 0,
362
      /* Used on HP 9000/300 running HP/UX.  See hp300hpux.c.  */
363
      gnu_encap_format,
364
      /* Used on Linux, 386BSD, etc.  See include/aout/aout64.h.  */
365
      q_magic_format
366
    } subformat;
367
 
368
  enum
369
    {
370
      undecided_magic = 0,
371
      z_magic,
372
      o_magic,
373
      n_magic
374
    } magic;
375
 
376
  /* A buffer for find_nearest_line.  */
377
  char *line_buf;
378
 
379
  /* The external symbol information.  */
380
  struct external_nlist *external_syms;
381
  bfd_size_type external_sym_count;
382
  bfd_window sym_window;
383
  char *external_strings;
384
  bfd_size_type external_string_size;
385
  bfd_window string_window;
386
  struct aout_link_hash_entry **sym_hashes;
387
 
388
  /* A pointer for shared library information.  */
389
  PTR dynamic_info;
390
 
391
  /* A mapping from local symbols to offsets into the global offset
392
     table, used when linking on SunOS.  This is indexed by the symbol
393
     index.  */
394
  bfd_vma *local_got_offsets;
395
};
396
 
397
struct  aout_data_struct {
398
    struct aoutdata a;
399
    struct internal_exec e;
400
};
401
 
402
#define adata(bfd)              ((bfd)->tdata.aout_data->a)
403
#define exec_hdr(bfd)           (adata(bfd).hdr)
404
#define obj_aout_symbols(bfd)   (adata(bfd).symbols)
405
#define obj_textsec(bfd)        (adata(bfd).textsec)
406
#define obj_datasec(bfd)        (adata(bfd).datasec)
407
#define obj_bsssec(bfd)         (adata(bfd).bsssec)
408
#define obj_sym_filepos(bfd)    (adata(bfd).sym_filepos)
409
#define obj_str_filepos(bfd)    (adata(bfd).str_filepos)
410
#define obj_reloc_entry_size(bfd) (adata(bfd).reloc_entry_size)
411
#define obj_symbol_entry_size(bfd) (adata(bfd).symbol_entry_size)
412
#define obj_aout_subformat(bfd) (adata(bfd).subformat)
413
#define obj_aout_external_syms(bfd) (adata(bfd).external_syms)
414
#define obj_aout_external_sym_count(bfd) (adata(bfd).external_sym_count)
415
#define obj_aout_sym_window(bfd) (adata(bfd).sym_window)
416
#define obj_aout_external_strings(bfd) (adata(bfd).external_strings)
417
#define obj_aout_external_string_size(bfd) (adata(bfd).external_string_size)
418
#define obj_aout_string_window(bfd) (adata(bfd).string_window)
419
#define obj_aout_sym_hashes(bfd) (adata(bfd).sym_hashes)
420
#define obj_aout_dynamic_info(bfd) (adata(bfd).dynamic_info)
421
 
422
/* We take the address of the first element of an asymbol to ensure that the
423
   macro is only ever applied to an asymbol */
424
#define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd))
425
 
426
/* Information we keep for each a.out section.  This is currently only
427
   used by the a.out backend linker.  */
428
 
429
struct aout_section_data_struct
430
{
431
  /* The unswapped relocation entries for this section.  */
432
  PTR relocs;
433
};
434
 
435
#define aout_section_data(s) \
436
  ((struct aout_section_data_struct *) (s)->used_by_bfd)
437
 
438
#define set_aout_section_data(s,v) \
439
  ((s)->used_by_bfd = (PTR)&(v)->relocs)
440
 
441
/* Prototype declarations for functions defined in aoutx.h  */
442
 
443
boolean
444
NAME(aout,squirt_out_relocs) PARAMS ((bfd *abfd, asection *section));
445
 
446
boolean
447
NAME(aout,make_sections) PARAMS ((bfd *));
448
 
449
const bfd_target *
450
NAME(aout,some_aout_object_p) PARAMS ((bfd *abfd,
451
                                       struct internal_exec *execp,
452
                                       const bfd_target *(*callback)(bfd *)));
453
 
454
boolean
455
NAME(aout,mkobject) PARAMS ((bfd *abfd));
456
 
457
enum machine_type
458
NAME(aout,machine_type) PARAMS ((enum bfd_architecture arch,
459
                                 unsigned long machine,
460
                                 boolean *unknown));
461
 
462
boolean
463
NAME(aout,set_arch_mach) PARAMS ((bfd *abfd, enum bfd_architecture arch,
464
                                  unsigned long machine));
465
 
466
boolean
467
NAME(aout,new_section_hook) PARAMS ((bfd *abfd, asection *newsect));
468
 
469
boolean
470
NAME(aout,set_section_contents) PARAMS ((bfd *abfd, sec_ptr section,
471
                         PTR location, file_ptr offset, bfd_size_type count));
472
 
473
asymbol *
474
NAME(aout,make_empty_symbol) PARAMS ((bfd *abfd));
475
 
476
boolean
477
NAME(aout,translate_symbol_table) PARAMS ((bfd *, aout_symbol_type *,
478
                                           struct external_nlist *,
479
                                           bfd_size_type, char *,
480
                                           bfd_size_type,
481
                                           boolean dynamic));
482
 
483
boolean
484
NAME(aout,slurp_symbol_table) PARAMS ((bfd *abfd));
485
 
486
boolean
487
NAME(aout,write_syms) PARAMS ((bfd *abfd));
488
 
489
void
490
NAME(aout,reclaim_symbol_table) PARAMS ((bfd *abfd));
491
 
492
long
493
NAME(aout,get_symtab_upper_bound) PARAMS ((bfd *abfd));
494
 
495
long
496
NAME(aout,get_symtab) PARAMS ((bfd *abfd, asymbol **location));
497
 
498
void
499
NAME(aout,swap_ext_reloc_in) PARAMS ((bfd *, struct reloc_ext_external *,
500
                                      arelent *, asymbol **, bfd_size_type));
501
void
502
NAME(aout,swap_std_reloc_in) PARAMS ((bfd *, struct reloc_std_external *,
503
                                      arelent *, asymbol **, bfd_size_type));
504
 
505
reloc_howto_type *
506
NAME(aout,reloc_type_lookup) PARAMS ((bfd *abfd,
507
                                      bfd_reloc_code_real_type code));
508
 
509
boolean
510
NAME(aout,slurp_reloc_table) PARAMS ((bfd *abfd, sec_ptr asect,
511
                                      asymbol **symbols));
512
 
513
long
514
NAME(aout,canonicalize_reloc) PARAMS ((bfd *abfd, sec_ptr section,
515
                                       arelent **relptr, asymbol **symbols));
516
 
517
long
518
NAME(aout,get_reloc_upper_bound) PARAMS ((bfd *abfd, sec_ptr asect));
519
 
520
void
521
NAME(aout,reclaim_reloc) PARAMS ((bfd *ignore_abfd, sec_ptr ignore));
522
 
523
alent *
524
NAME(aout,get_lineno) PARAMS ((bfd *ignore_abfd, asymbol *ignore_symbol));
525
 
526
void
527
NAME(aout,print_symbol) PARAMS ((bfd *ignore_abfd, PTR file,
528
                            asymbol *symbol, bfd_print_symbol_type how));
529
 
530
void
531
NAME(aout,get_symbol_info) PARAMS ((bfd *ignore_abfd,
532
                           asymbol *symbol, symbol_info *ret));
533
 
534
boolean
535
NAME(aout,find_nearest_line) PARAMS ((bfd *abfd, asection *section,
536
      asymbol **symbols, bfd_vma offset, CONST char **filename_ptr,
537
      CONST char **functionname_ptr, unsigned int *line_ptr));
538
 
539
long
540
NAME(aout,read_minisymbols) PARAMS ((bfd *, boolean, PTR *, unsigned int *));
541
 
542
asymbol *
543
NAME(aout,minisymbol_to_symbol) PARAMS ((bfd *, boolean, const PTR,
544
                                         asymbol *));
545
 
546
int
547
NAME(aout,sizeof_headers) PARAMS ((bfd *abfd, boolean exec));
548
 
549
boolean
550
NAME(aout,adjust_sizes_and_vmas) PARAMS ((bfd *abfd,
551
       bfd_size_type *text_size, file_ptr *text_end));
552
 
553
void
554
NAME(aout,swap_exec_header_in) PARAMS ((bfd *abfd,
555
       struct external_exec *raw_bytes, struct internal_exec *execp));
556
 
557
void
558
NAME(aout,swap_exec_header_out) PARAMS ((bfd *abfd,
559
       struct internal_exec *execp, struct external_exec *raw_bytes));
560
 
561
struct bfd_hash_entry *
562
NAME(aout,link_hash_newfunc)
563
  PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
564
 
565
boolean
566
NAME(aout,link_hash_table_init)
567
     PARAMS ((struct aout_link_hash_table *, bfd *,
568
              struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
569
                                          struct bfd_hash_table *,
570
                                          const char *)));
571
 
572
struct bfd_link_hash_table *
573
NAME(aout,link_hash_table_create) PARAMS ((bfd *));
574
 
575
boolean
576
NAME(aout,link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *));
577
 
578
boolean
579
NAME(aout,final_link) PARAMS ((bfd *, struct bfd_link_info *,
580
                               void (*) (bfd *, file_ptr *, file_ptr *,
581
                                         file_ptr *)));
582
 
583
boolean
584
NAME(aout,bfd_free_cached_info) PARAMS ((bfd *));
585
 
586
/* A.out uses the generic versions of these routines... */
587
 
588
#define aout_16_get_section_contents    _bfd_generic_get_section_contents
589
 
590
#define aout_32_get_section_contents    _bfd_generic_get_section_contents
591
 
592
#define aout_64_get_section_contents    _bfd_generic_get_section_contents
593
#ifndef NO_WRITE_HEADER_KLUDGE
594
#define NO_WRITE_HEADER_KLUDGE 0
595
#endif
596
 
597
#ifndef aout_32_bfd_is_local_label_name
598
#define aout_32_bfd_is_local_label_name bfd_generic_is_local_label_name
599
#endif
600
 
601
#ifndef WRITE_HEADERS
602
#define WRITE_HEADERS(abfd, execp)                                            \
603
      {                                                                       \
604
        bfd_size_type text_size; /* dummy vars */                             \
605
        file_ptr text_end;                                                    \
606
        if (adata(abfd).magic == undecided_magic)                             \
607
          NAME(aout,adjust_sizes_and_vmas) (abfd, &text_size, &text_end);     \
608
                                                                              \
609
        execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE;        \
610
        execp->a_entry = bfd_get_start_address (abfd);                        \
611
                                                                              \
612
        execp->a_trsize = ((obj_textsec (abfd)->reloc_count) *                \
613
                           obj_reloc_entry_size (abfd));                      \
614
        execp->a_drsize = ((obj_datasec (abfd)->reloc_count) *                \
615
                           obj_reloc_entry_size (abfd));                      \
616
        NAME(aout,swap_exec_header_out) (abfd, execp, &exec_bytes);           \
617
                                                                              \
618
        if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) return false;         \
619
        if (bfd_write ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd)           \
620
            != EXEC_BYTES_SIZE)                                               \
621
          return false;                                                       \
622
        /* Now write out reloc info, followed by syms and strings */          \
623
                                                                              \
624
        if (bfd_get_outsymbols (abfd) != (asymbol **) NULL                    \
625
            && bfd_get_symcount (abfd) != 0)                                   \
626
          {                                                                   \
627
            if (bfd_seek (abfd, (file_ptr)(N_SYMOFF(*execp)), SEEK_SET) != 0) \
628
              return false;                                                   \
629
                                                                              \
630
            if (! NAME(aout,write_syms)(abfd)) return false;                  \
631
          }                                                                   \
632
                                                                              \
633
        if (bfd_seek (abfd, (file_ptr)(N_TRELOFF(*execp)), SEEK_SET) != 0)    \
634
          return false;                                                       \
635
        if (!NAME(aout,squirt_out_relocs) (abfd, obj_textsec (abfd)))         \
636
          return false;                                                       \
637
                                                                              \
638
        if (bfd_seek (abfd, (file_ptr)(N_DRELOFF(*execp)), SEEK_SET) != 0)    \
639
          return false;                                                       \
640
        if (!NAME(aout,squirt_out_relocs)(abfd, obj_datasec (abfd)))          \
641
          return false;                                                       \
642
      }
643
#endif
644
 
645
#endif /* ! defined (LIBAOUT_H) */

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