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252b5132 RH |
1 | /* BFD back-end data structures for a.out (and similar) files. |
2 | Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 1998 | |
3 | Free Software Foundation, Inc. | |
4 | Written by Cygnus Support. | |
5 | ||
6 | This file is part of BFD, the Binary File Descriptor library. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #ifndef LIBAOUT_H | |
23 | #define LIBAOUT_H | |
24 | ||
25 | /* We try to encapsulate the differences in the various a.out file | |
26 | variants in a few routines, and otherwise share large masses of code. | |
27 | This means we only have to fix bugs in one place, most of the time. */ | |
28 | ||
29 | #include "bfdlink.h" | |
30 | ||
31 | /* Parameterize the a.out code based on whether it is being built | |
32 | for a 32-bit architecture or a 64-bit architecture. */ | |
33 | #if ARCH_SIZE==64 | |
34 | #define GET_WORD bfd_h_get_64 | |
35 | #define GET_SWORD bfd_h_get_signed_64 | |
36 | #define PUT_WORD bfd_h_put_64 | |
37 | #ifndef NAME | |
38 | #define NAME(x,y) CAT3(x,_64_,y) | |
39 | #endif | |
40 | #define JNAME(x) CAT(x,_64) | |
41 | #define BYTES_IN_WORD 8 | |
42 | #else /* ARCH_SIZE == 32 */ | |
43 | #define GET_WORD bfd_h_get_32 | |
44 | #define GET_SWORD bfd_h_get_signed_32 | |
45 | #define PUT_WORD bfd_h_put_32 | |
46 | #ifndef NAME | |
47 | #define NAME(x,y) CAT3(x,_32_,y) | |
48 | #endif | |
49 | #define JNAME(x) CAT(x,_32) | |
50 | #define BYTES_IN_WORD 4 | |
51 | #endif /* ARCH_SIZE==32 */ | |
52 | ||
53 | /* Declare at file level, since used in parameter lists, which have | |
54 | weird scope. */ | |
55 | struct external_exec; | |
56 | struct external_nlist; | |
57 | struct reloc_ext_external; | |
58 | struct reloc_std_external; | |
59 | \f | |
60 | /* a.out backend linker hash table entries. */ | |
61 | ||
62 | struct aout_link_hash_entry | |
63 | { | |
64 | struct bfd_link_hash_entry root; | |
65 | /* Whether this symbol has been written out. */ | |
66 | boolean written; | |
67 | /* Symbol index in output file. */ | |
68 | int indx; | |
69 | }; | |
70 | ||
71 | /* a.out backend linker hash table. */ | |
72 | ||
73 | struct aout_link_hash_table | |
74 | { | |
75 | struct bfd_link_hash_table root; | |
76 | }; | |
77 | ||
78 | /* Look up an entry in an a.out link hash table. */ | |
79 | ||
80 | #define aout_link_hash_lookup(table, string, create, copy, follow) \ | |
81 | ((struct aout_link_hash_entry *) \ | |
82 | bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow))) | |
83 | ||
84 | /* Traverse an a.out link hash table. */ | |
85 | ||
86 | #define aout_link_hash_traverse(table, func, info) \ | |
87 | (bfd_link_hash_traverse \ | |
88 | (&(table)->root, \ | |
89 | (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \ | |
90 | (info))) | |
91 | ||
92 | /* Get the a.out link hash table from the info structure. This is | |
93 | just a cast. */ | |
94 | ||
95 | #define aout_hash_table(p) ((struct aout_link_hash_table *) ((p)->hash)) | |
96 | \f | |
97 | /* Back-end information for various a.out targets. */ | |
98 | struct aout_backend_data | |
99 | { | |
100 | /* Are ZMAGIC files mapped contiguously? If so, the text section may | |
101 | need more padding, if the segment size (granularity for memory access | |
102 | control) is larger than the page size. */ | |
103 | unsigned char zmagic_mapped_contiguous; | |
104 | /* If this flag is set, ZMAGIC/NMAGIC file headers get mapped in with the | |
105 | text section, which starts immediately after the file header. | |
106 | If not, the text section starts on the next page. */ | |
107 | unsigned char text_includes_header; | |
108 | ||
109 | /* If this flag is set, then if the entry address is not in the | |
110 | first SEGMENT_SIZE bytes of the text section, it is taken to be | |
111 | the address of the start of the text section. This can be useful | |
112 | for kernels. */ | |
113 | unsigned char entry_is_text_address; | |
114 | ||
115 | /* The value to pass to N_SET_FLAGS. */ | |
116 | unsigned char exec_hdr_flags; | |
117 | ||
118 | /* If the text section VMA isn't specified, and we need an absolute | |
119 | address, use this as the default. If we're producing a relocatable | |
120 | file, zero is always used. */ | |
121 | /* ?? Perhaps a callback would be a better choice? Will this do anything | |
122 | reasonable for a format that handles multiple CPUs with different | |
123 | load addresses for each? */ | |
124 | bfd_vma default_text_vma; | |
125 | ||
126 | /* Callback for setting the page and segment sizes, if they can't be | |
127 | trivially determined from the architecture. */ | |
128 | boolean (*set_sizes) PARAMS ((bfd *)); | |
129 | ||
130 | /* zmagic files only. For go32, the length of the exec header contributes | |
131 | to the size of the text section in the file for alignment purposes but | |
132 | does *not* get counted in the length of the text section. */ | |
133 | unsigned char exec_header_not_counted; | |
134 | ||
135 | /* Callback from the add symbols phase of the linker code to handle | |
136 | a dynamic object. */ | |
137 | boolean (*add_dynamic_symbols) PARAMS ((bfd *, struct bfd_link_info *, | |
138 | struct external_nlist **, | |
139 | bfd_size_type *, char **)); | |
140 | ||
141 | /* Callback from the add symbols phase of the linker code to handle | |
142 | adding a single symbol to the global linker hash table. */ | |
143 | boolean (*add_one_symbol) PARAMS ((struct bfd_link_info *, bfd *, | |
144 | const char *, flagword, asection *, | |
145 | bfd_vma, const char *, boolean, | |
146 | boolean, | |
147 | struct bfd_link_hash_entry **)); | |
148 | ||
149 | /* Called to handle linking a dynamic object. */ | |
150 | boolean (*link_dynamic_object) PARAMS ((struct bfd_link_info *, bfd *)); | |
151 | ||
152 | /* Called for each global symbol being written out by the linker. | |
153 | This should write out the dynamic symbol information. */ | |
154 | boolean (*write_dynamic_symbol) PARAMS ((bfd *, struct bfd_link_info *, | |
155 | struct aout_link_hash_entry *)); | |
156 | ||
157 | /* If this callback is not NULL, the linker calls it for each reloc. | |
158 | RELOC is a pointer to the unswapped reloc. If *SKIP is set to | |
159 | true, the reloc will be skipped. *RELOCATION may be changed to | |
160 | change the effects of the relocation. */ | |
161 | boolean (*check_dynamic_reloc) PARAMS ((struct bfd_link_info *info, | |
162 | bfd *input_bfd, | |
163 | asection *input_section, | |
164 | struct aout_link_hash_entry *h, | |
165 | PTR reloc, bfd_byte *contents, | |
166 | boolean *skip, | |
167 | bfd_vma *relocation)); | |
168 | ||
169 | /* Called at the end of a link to finish up any dynamic linking | |
170 | information. */ | |
171 | boolean (*finish_dynamic_link) PARAMS ((bfd *, struct bfd_link_info *)); | |
172 | }; | |
173 | #define aout_backend_info(abfd) \ | |
174 | ((CONST struct aout_backend_data *)((abfd)->xvec->backend_data)) | |
175 | ||
176 | /* This is the layout in memory of a "struct exec" while we process it. | |
177 | All 'lengths' are given as a number of bytes. | |
178 | All 'alignments' are for relinkable files only; an alignment of | |
179 | 'n' indicates the corresponding segment must begin at an | |
180 | address that is a multiple of (2**n). */ | |
181 | ||
182 | struct internal_exec | |
183 | { | |
184 | long a_info; /* Magic number and flags, packed */ | |
185 | bfd_vma a_text; /* length of text, in bytes */ | |
186 | bfd_vma a_data; /* length of data, in bytes */ | |
187 | bfd_vma a_bss; /* length of uninitialized data area in mem */ | |
188 | bfd_vma a_syms; /* length of symbol table data in file */ | |
189 | bfd_vma a_entry; /* start address */ | |
190 | bfd_vma a_trsize; /* length of text's relocation info, in bytes */ | |
191 | bfd_vma a_drsize; /* length of data's relocation info, in bytes */ | |
192 | /* Added for i960 */ | |
193 | bfd_vma a_tload; /* Text runtime load address */ | |
194 | bfd_vma a_dload; /* Data runtime load address */ | |
195 | unsigned char a_talign; /* Alignment of text segment */ | |
196 | unsigned char a_dalign; /* Alignment of data segment */ | |
197 | unsigned char a_balign; /* Alignment of bss segment */ | |
198 | char a_relaxable; /* Enough info for linker relax */ | |
199 | }; | |
200 | ||
201 | /* Magic number is written | |
202 | < MSB > | |
203 | 3130292827262524232221201918171615141312111009080706050403020100 | |
204 | < FLAGS >< MACHINE TYPE >< MAGIC NUMBER > | |
205 | */ | |
206 | /* Magic number for NetBSD is | |
207 | <MSB > | |
208 | 3130292827262524232221201918171615141312111009080706050403020100 | |
209 | < FLAGS >< MACHINE TYPE >< MAGIC NUMBER > | |
210 | */ | |
211 | ||
212 | enum machine_type { | |
213 | M_UNKNOWN = 0, | |
214 | M_68010 = 1, | |
215 | M_68020 = 2, | |
216 | M_SPARC = 3, | |
217 | /* skip a bunch so we don't run into any of suns numbers */ | |
218 | /* make these up for the ns32k*/ | |
219 | M_NS32032 = (64), /* ns32032 running ? */ | |
220 | M_NS32532 = (64 + 5), /* ns32532 running mach */ | |
221 | ||
222 | M_386 = 100, | |
223 | M_29K = 101, /* AMD 29000 */ | |
224 | M_386_DYNIX = 102, /* Sequent running dynix */ | |
225 | M_ARM = 103, /* Advanced Risc Machines ARM */ | |
226 | M_SPARCLET = 131, /* SPARClet = M_SPARC + 128 */ | |
227 | M_386_NETBSD = 134, /* NetBSD/i386 binary */ | |
228 | M_68K_NETBSD = 135, /* NetBSD/m68k binary */ | |
229 | M_68K4K_NETBSD = 136, /* NetBSD/m68k4k binary */ | |
230 | M_532_NETBSD = 137, /* NetBSD/ns32k binary */ | |
231 | M_SPARC_NETBSD = 138, /* NetBSD/sparc binary */ | |
232 | M_PMAX_NETBSD = 139, /* NetBSD/pmax (MIPS little-endian) binary */ | |
233 | M_VAX_NETBSD = 140, /* NetBSD/vax binary */ | |
234 | M_ALPHA_NETBSD = 141, /* NetBSD/alpha binary */ | |
235 | M_ARM6_NETBSD = 143, /* NetBSD/arm32 binary */ | |
236 | M_SPARCLET_1 = 147, /* 0x93, reserved */ | |
237 | M_MIPS1 = 151, /* MIPS R2000/R3000 binary */ | |
238 | M_MIPS2 = 152, /* MIPS R4000/R6000 binary */ | |
239 | M_SPARCLET_2 = 163, /* 0xa3, reserved */ | |
240 | M_SPARCLET_3 = 179, /* 0xb3, reserved */ | |
241 | M_SPARCLET_4 = 195, /* 0xc3, reserved */ | |
242 | M_HP200 = 200, /* HP 200 (68010) BSD binary */ | |
243 | M_HP300 = (300 % 256), /* HP 300 (68020+68881) BSD binary */ | |
244 | M_HPUX = (0x20c % 256), /* HP 200/300 HPUX binary */ | |
245 | M_SPARCLET_5 = 211, /* 0xd3, reserved */ | |
246 | M_SPARCLET_6 = 227, /* 0xe3, reserved */ | |
247 | /* M_SPARCLET_7 = 243 / * 0xf3, reserved */ | |
248 | M_SPARCLITE_LE = 243 | |
249 | }; | |
250 | ||
251 | #define N_DYNAMIC(exec) ((exec).a_info & 0x80000000) | |
252 | ||
253 | #ifndef N_MAGIC | |
254 | # define N_MAGIC(exec) ((exec).a_info & 0xffff) | |
255 | #endif | |
256 | ||
257 | #ifndef N_MACHTYPE | |
258 | # define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff)) | |
259 | #endif | |
260 | ||
261 | #ifndef N_FLAGS | |
262 | # define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff) | |
263 | #endif | |
264 | ||
265 | #ifndef N_SET_INFO | |
266 | # define N_SET_INFO(exec, magic, type, flags) \ | |
267 | ((exec).a_info = ((magic) & 0xffff) \ | |
268 | | (((int)(type) & 0xff) << 16) \ | |
269 | | (((flags) & 0xff) << 24)) | |
270 | #endif | |
271 | ||
272 | #ifndef N_SET_DYNAMIC | |
273 | # define N_SET_DYNAMIC(exec, dynamic) \ | |
274 | ((exec).a_info = (dynamic) ? ((exec).a_info | 0x80000000) : \ | |
275 | ((exec).a_info & 0x7fffffff)) | |
276 | #endif | |
277 | ||
278 | #ifndef N_SET_MAGIC | |
279 | # define N_SET_MAGIC(exec, magic) \ | |
280 | ((exec).a_info = (((exec).a_info & 0xffff0000) | ((magic) & 0xffff))) | |
281 | #endif | |
282 | ||
283 | #ifndef N_SET_MACHTYPE | |
284 | # define N_SET_MACHTYPE(exec, machtype) \ | |
285 | ((exec).a_info = \ | |
286 | ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16)) | |
287 | #endif | |
288 | ||
289 | #ifndef N_SET_FLAGS | |
290 | # define N_SET_FLAGS(exec, flags) \ | |
291 | ((exec).a_info = \ | |
292 | ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24)) | |
293 | #endif | |
294 | ||
295 | typedef struct aout_symbol { | |
296 | asymbol symbol; | |
297 | short desc; | |
298 | char other; | |
299 | unsigned char type; | |
300 | } aout_symbol_type; | |
301 | ||
302 | /* The `tdata' struct for all a.out-like object file formats. | |
303 | Various things depend on this struct being around any time an a.out | |
304 | file is being handled. An example is dbxread.c in GDB. */ | |
305 | ||
306 | struct aoutdata { | |
307 | struct internal_exec *hdr; /* exec file header */ | |
308 | aout_symbol_type *symbols; /* symtab for input bfd */ | |
309 | ||
310 | /* For ease, we do this */ | |
311 | asection *textsec; | |
312 | asection *datasec; | |
313 | asection *bsssec; | |
314 | ||
315 | /* We remember these offsets so that after check_file_format, we have | |
316 | no dependencies on the particular format of the exec_hdr. */ | |
317 | file_ptr sym_filepos; | |
318 | file_ptr str_filepos; | |
319 | ||
320 | /* Size of a relocation entry in external form */ | |
321 | unsigned reloc_entry_size; | |
322 | ||
323 | /* Size of a symbol table entry in external form */ | |
324 | unsigned symbol_entry_size; | |
325 | ||
326 | /* Page size - needed for alignment of demand paged files. */ | |
327 | unsigned long page_size; | |
328 | ||
329 | /* Segment size - needed for alignment of demand paged files. */ | |
330 | unsigned long segment_size; | |
331 | ||
332 | /* Zmagic disk block size - need to align the start of the text | |
333 | section in ZMAGIC binaries. Normally the same as page_size. */ | |
334 | unsigned long zmagic_disk_block_size; | |
335 | ||
336 | unsigned exec_bytes_size; | |
337 | unsigned vma_adjusted : 1; | |
338 | ||
339 | /* used when a bfd supports several highly similar formats */ | |
340 | enum | |
341 | { | |
342 | default_format = 0, | |
343 | /* Used on HP 9000/300 running HP/UX. See hp300hpux.c. */ | |
344 | gnu_encap_format, | |
345 | /* Used on Linux, 386BSD, etc. See include/aout/aout64.h. */ | |
346 | q_magic_format | |
347 | } subformat; | |
348 | ||
349 | enum | |
350 | { | |
351 | undecided_magic = 0, | |
352 | z_magic, | |
353 | o_magic, | |
354 | n_magic | |
355 | } magic; | |
356 | ||
357 | /* A buffer for find_nearest_line. */ | |
358 | char *line_buf; | |
359 | ||
360 | /* The external symbol information. */ | |
361 | struct external_nlist *external_syms; | |
362 | bfd_size_type external_sym_count; | |
363 | bfd_window sym_window; | |
364 | char *external_strings; | |
365 | bfd_size_type external_string_size; | |
366 | bfd_window string_window; | |
367 | struct aout_link_hash_entry **sym_hashes; | |
368 | ||
369 | /* A pointer for shared library information. */ | |
370 | PTR dynamic_info; | |
371 | ||
372 | /* A mapping from local symbols to offsets into the global offset | |
373 | table, used when linking on SunOS. This is indexed by the symbol | |
374 | index. */ | |
375 | bfd_vma *local_got_offsets; | |
376 | }; | |
377 | ||
378 | struct aout_data_struct { | |
379 | struct aoutdata a; | |
380 | struct internal_exec e; | |
381 | }; | |
382 | ||
383 | #define adata(bfd) ((bfd)->tdata.aout_data->a) | |
384 | #define exec_hdr(bfd) (adata(bfd).hdr) | |
385 | #define obj_aout_symbols(bfd) (adata(bfd).symbols) | |
386 | #define obj_textsec(bfd) (adata(bfd).textsec) | |
387 | #define obj_datasec(bfd) (adata(bfd).datasec) | |
388 | #define obj_bsssec(bfd) (adata(bfd).bsssec) | |
389 | #define obj_sym_filepos(bfd) (adata(bfd).sym_filepos) | |
390 | #define obj_str_filepos(bfd) (adata(bfd).str_filepos) | |
391 | #define obj_reloc_entry_size(bfd) (adata(bfd).reloc_entry_size) | |
392 | #define obj_symbol_entry_size(bfd) (adata(bfd).symbol_entry_size) | |
393 | #define obj_aout_subformat(bfd) (adata(bfd).subformat) | |
394 | #define obj_aout_external_syms(bfd) (adata(bfd).external_syms) | |
395 | #define obj_aout_external_sym_count(bfd) (adata(bfd).external_sym_count) | |
396 | #define obj_aout_sym_window(bfd) (adata(bfd).sym_window) | |
397 | #define obj_aout_external_strings(bfd) (adata(bfd).external_strings) | |
398 | #define obj_aout_external_string_size(bfd) (adata(bfd).external_string_size) | |
399 | #define obj_aout_string_window(bfd) (adata(bfd).string_window) | |
400 | #define obj_aout_sym_hashes(bfd) (adata(bfd).sym_hashes) | |
401 | #define obj_aout_dynamic_info(bfd) (adata(bfd).dynamic_info) | |
402 | ||
403 | /* We take the address of the first element of an asymbol to ensure that the | |
404 | macro is only ever applied to an asymbol */ | |
405 | #define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd)) | |
406 | ||
407 | /* Information we keep for each a.out section. This is currently only | |
408 | used by the a.out backend linker. */ | |
409 | ||
410 | struct aout_section_data_struct | |
411 | { | |
412 | /* The unswapped relocation entries for this section. */ | |
413 | PTR relocs; | |
414 | }; | |
415 | ||
416 | #define aout_section_data(s) \ | |
417 | ((struct aout_section_data_struct *) (s)->used_by_bfd) | |
418 | ||
419 | #define set_aout_section_data(s,v) \ | |
420 | ((s)->used_by_bfd = (PTR)&(v)->relocs) | |
421 | ||
422 | /* Prototype declarations for functions defined in aoutx.h */ | |
423 | ||
424 | boolean | |
425 | NAME(aout,squirt_out_relocs) PARAMS ((bfd *abfd, asection *section)); | |
426 | ||
427 | boolean | |
428 | NAME(aout,make_sections) PARAMS ((bfd *)); | |
429 | ||
430 | const bfd_target * | |
431 | NAME(aout,some_aout_object_p) PARAMS ((bfd *abfd, | |
432 | struct internal_exec *execp, | |
433 | const bfd_target *(*callback)(bfd *))); | |
434 | ||
435 | boolean | |
436 | NAME(aout,mkobject) PARAMS ((bfd *abfd)); | |
437 | ||
438 | enum machine_type | |
439 | NAME(aout,machine_type) PARAMS ((enum bfd_architecture arch, | |
440 | unsigned long machine, | |
441 | boolean *unknown)); | |
442 | ||
443 | boolean | |
444 | NAME(aout,set_arch_mach) PARAMS ((bfd *abfd, enum bfd_architecture arch, | |
445 | unsigned long machine)); | |
446 | ||
447 | boolean | |
448 | NAME(aout,new_section_hook) PARAMS ((bfd *abfd, asection *newsect)); | |
449 | ||
450 | boolean | |
451 | NAME(aout,set_section_contents) PARAMS ((bfd *abfd, sec_ptr section, | |
452 | PTR location, file_ptr offset, bfd_size_type count)); | |
453 | ||
454 | asymbol * | |
455 | NAME(aout,make_empty_symbol) PARAMS ((bfd *abfd)); | |
456 | ||
457 | boolean | |
458 | NAME(aout,translate_symbol_table) PARAMS ((bfd *, aout_symbol_type *, | |
459 | struct external_nlist *, | |
460 | bfd_size_type, char *, | |
461 | bfd_size_type, | |
462 | boolean dynamic)); | |
463 | ||
464 | boolean | |
465 | NAME(aout,slurp_symbol_table) PARAMS ((bfd *abfd)); | |
466 | ||
467 | boolean | |
468 | NAME(aout,write_syms) PARAMS ((bfd *abfd)); | |
469 | ||
470 | void | |
471 | NAME(aout,reclaim_symbol_table) PARAMS ((bfd *abfd)); | |
472 | ||
473 | long | |
474 | NAME(aout,get_symtab_upper_bound) PARAMS ((bfd *abfd)); | |
475 | ||
476 | long | |
477 | NAME(aout,get_symtab) PARAMS ((bfd *abfd, asymbol **location)); | |
478 | ||
479 | void | |
480 | NAME(aout,swap_ext_reloc_in) PARAMS ((bfd *, struct reloc_ext_external *, | |
481 | arelent *, asymbol **, bfd_size_type)); | |
482 | void | |
483 | NAME(aout,swap_std_reloc_in) PARAMS ((bfd *, struct reloc_std_external *, | |
484 | arelent *, asymbol **, bfd_size_type)); | |
485 | ||
486 | reloc_howto_type * | |
487 | NAME(aout,reloc_type_lookup) PARAMS ((bfd *abfd, | |
488 | bfd_reloc_code_real_type code)); | |
489 | ||
490 | boolean | |
491 | NAME(aout,slurp_reloc_table) PARAMS ((bfd *abfd, sec_ptr asect, | |
492 | asymbol **symbols)); | |
493 | ||
494 | long | |
495 | NAME(aout,canonicalize_reloc) PARAMS ((bfd *abfd, sec_ptr section, | |
496 | arelent **relptr, asymbol **symbols)); | |
497 | ||
498 | long | |
499 | NAME(aout,get_reloc_upper_bound) PARAMS ((bfd *abfd, sec_ptr asect)); | |
500 | ||
501 | void | |
502 | NAME(aout,reclaim_reloc) PARAMS ((bfd *ignore_abfd, sec_ptr ignore)); | |
503 | ||
504 | alent * | |
505 | NAME(aout,get_lineno) PARAMS ((bfd *ignore_abfd, asymbol *ignore_symbol)); | |
506 | ||
507 | void | |
508 | NAME(aout,print_symbol) PARAMS ((bfd *ignore_abfd, PTR file, | |
509 | asymbol *symbol, bfd_print_symbol_type how)); | |
510 | ||
511 | void | |
512 | NAME(aout,get_symbol_info) PARAMS ((bfd *ignore_abfd, | |
513 | asymbol *symbol, symbol_info *ret)); | |
514 | ||
515 | boolean | |
516 | NAME(aout,find_nearest_line) PARAMS ((bfd *abfd, asection *section, | |
517 | asymbol **symbols, bfd_vma offset, CONST char **filename_ptr, | |
518 | CONST char **functionname_ptr, unsigned int *line_ptr)); | |
519 | ||
520 | long | |
521 | NAME(aout,read_minisymbols) PARAMS ((bfd *, boolean, PTR *, unsigned int *)); | |
522 | ||
523 | asymbol * | |
524 | NAME(aout,minisymbol_to_symbol) PARAMS ((bfd *, boolean, const PTR, | |
525 | asymbol *)); | |
526 | ||
527 | int | |
528 | NAME(aout,sizeof_headers) PARAMS ((bfd *abfd, boolean exec)); | |
529 | ||
530 | boolean | |
531 | NAME(aout,adjust_sizes_and_vmas) PARAMS ((bfd *abfd, | |
532 | bfd_size_type *text_size, file_ptr *text_end)); | |
533 | ||
534 | void | |
535 | NAME(aout,swap_exec_header_in) PARAMS ((bfd *abfd, | |
536 | struct external_exec *raw_bytes, struct internal_exec *execp)); | |
537 | ||
538 | void | |
539 | NAME(aout,swap_exec_header_out) PARAMS ((bfd *abfd, | |
540 | struct internal_exec *execp, struct external_exec *raw_bytes)); | |
541 | ||
542 | struct bfd_hash_entry * | |
543 | NAME(aout,link_hash_newfunc) | |
544 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); | |
545 | ||
546 | boolean | |
547 | NAME(aout,link_hash_table_init) | |
548 | PARAMS ((struct aout_link_hash_table *, bfd *, | |
549 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
550 | struct bfd_hash_table *, | |
551 | const char *))); | |
552 | ||
553 | struct bfd_link_hash_table * | |
554 | NAME(aout,link_hash_table_create) PARAMS ((bfd *)); | |
555 | ||
556 | boolean | |
557 | NAME(aout,link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *)); | |
558 | ||
559 | boolean | |
560 | NAME(aout,final_link) PARAMS ((bfd *, struct bfd_link_info *, | |
561 | void (*) (bfd *, file_ptr *, file_ptr *, | |
562 | file_ptr *))); | |
563 | ||
564 | boolean | |
565 | NAME(aout,bfd_free_cached_info) PARAMS ((bfd *)); | |
566 | ||
567 | /* A.out uses the generic versions of these routines... */ | |
568 | ||
569 | #define aout_32_get_section_contents _bfd_generic_get_section_contents | |
570 | ||
571 | #define aout_64_get_section_contents _bfd_generic_get_section_contents | |
572 | #ifndef NO_WRITE_HEADER_KLUDGE | |
573 | #define NO_WRITE_HEADER_KLUDGE 0 | |
574 | #endif | |
575 | ||
576 | #ifndef aout_32_bfd_is_local_label_name | |
577 | #define aout_32_bfd_is_local_label_name bfd_generic_is_local_label_name | |
578 | #endif | |
579 | ||
580 | #ifndef WRITE_HEADERS | |
581 | #define WRITE_HEADERS(abfd, execp) \ | |
582 | { \ | |
583 | bfd_size_type text_size; /* dummy vars */ \ | |
584 | file_ptr text_end; \ | |
585 | if (adata(abfd).magic == undecided_magic) \ | |
586 | NAME(aout,adjust_sizes_and_vmas) (abfd, &text_size, &text_end); \ | |
587 | \ | |
588 | execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE; \ | |
589 | execp->a_entry = bfd_get_start_address (abfd); \ | |
590 | \ | |
591 | execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * \ | |
592 | obj_reloc_entry_size (abfd)); \ | |
593 | execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * \ | |
594 | obj_reloc_entry_size (abfd)); \ | |
595 | NAME(aout,swap_exec_header_out) (abfd, execp, &exec_bytes); \ | |
596 | \ | |
597 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) return false; \ | |
598 | if (bfd_write ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd) \ | |
599 | != EXEC_BYTES_SIZE) \ | |
600 | return false; \ | |
601 | /* Now write out reloc info, followed by syms and strings */ \ | |
602 | \ | |
603 | if (bfd_get_outsymbols (abfd) != (asymbol **) NULL \ | |
604 | && bfd_get_symcount (abfd) != 0) \ | |
605 | { \ | |
606 | if (bfd_seek (abfd, (file_ptr)(N_SYMOFF(*execp)), SEEK_SET) != 0) \ | |
607 | return false; \ | |
608 | \ | |
609 | if (! NAME(aout,write_syms)(abfd)) return false; \ | |
610 | } \ | |
611 | \ | |
612 | if (bfd_seek (abfd, (file_ptr)(N_TRELOFF(*execp)), SEEK_SET) != 0) \ | |
613 | return false; \ | |
614 | if (!NAME(aout,squirt_out_relocs) (abfd, obj_textsec (abfd))) \ | |
615 | return false; \ | |
616 | \ | |
617 | if (bfd_seek (abfd, (file_ptr)(N_DRELOFF(*execp)), SEEK_SET) != 0) \ | |
618 | return false; \ | |
619 | if (!NAME(aout,squirt_out_relocs)(abfd, obj_datasec (abfd))) \ | |
620 | return false; \ | |
621 | } | |
622 | #endif | |
623 | ||
624 | #endif /* ! defined (LIBAOUT_H) */ |