Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* Generic ECOFF (Extended-COFF) routines. |
68bfbfcc | 2 | Copyright 1990, 1991, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, |
911d08a7 | 3 | 2002, 2003, 2004 Free Software Foundation, Inc. |
252b5132 RH |
4 | Original version by Per Bothner. |
5 | Full support added by Ian Lance Taylor, ian@cygnus.com. | |
6 | ||
b0ac09d2 | 7 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 8 | |
b0ac09d2 NC |
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. | |
252b5132 | 13 | |
b0ac09d2 NC |
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. | |
252b5132 | 18 | |
b0ac09d2 NC |
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. */ | |
252b5132 RH |
22 | |
23 | #include "bfd.h" | |
24 | #include "sysdep.h" | |
25 | #include "bfdlink.h" | |
26 | #include "libbfd.h" | |
27 | #include "aout/ar.h" | |
28 | #include "aout/ranlib.h" | |
29 | #include "aout/stab_gnu.h" | |
30 | ||
31 | /* FIXME: We need the definitions of N_SET[ADTB], but aout64.h defines | |
32 | some other stuff which we don't want and which conflicts with stuff | |
33 | we do want. */ | |
34 | #include "libaout.h" | |
35 | #include "aout/aout64.h" | |
36 | #undef N_ABS | |
37 | #undef exec_hdr | |
38 | #undef obj_sym_filepos | |
39 | ||
40 | #include "coff/internal.h" | |
41 | #include "coff/sym.h" | |
42 | #include "coff/symconst.h" | |
43 | #include "coff/ecoff.h" | |
44 | #include "libcoff.h" | |
45 | #include "libecoff.h" | |
46 | \f | |
47 | /* Prototypes for static functions. */ | |
48 | ||
b34976b6 AM |
49 | static int ecoff_get_magic |
50 | PARAMS ((bfd *)); | |
51 | static long ecoff_sec_to_styp_flags | |
52 | PARAMS ((const char *, flagword)); | |
53 | static bfd_boolean ecoff_slurp_symbolic_header | |
54 | PARAMS ((bfd *)); | |
55 | static bfd_boolean ecoff_set_symbol_info | |
56 | PARAMS ((bfd *, SYMR *, asymbol *, int, int)); | |
57 | static void ecoff_emit_aggregate | |
58 | PARAMS ((bfd *, FDR *, char *, RNDXR *, long, const char *)); | |
59 | static char *ecoff_type_to_string | |
60 | PARAMS ((bfd *, FDR *, unsigned int)); | |
61 | static bfd_boolean ecoff_slurp_reloc_table | |
62 | PARAMS ((bfd *, asection *, asymbol **)); | |
63 | static int ecoff_sort_hdrs | |
64 | PARAMS ((const PTR, const PTR)); | |
65 | static bfd_boolean ecoff_compute_section_file_positions | |
66 | PARAMS ((bfd *)); | |
67 | static bfd_size_type ecoff_compute_reloc_file_positions | |
68 | PARAMS ((bfd *)); | |
69 | static bfd_boolean ecoff_get_extr | |
70 | PARAMS ((asymbol *, EXTR *)); | |
71 | static void ecoff_set_index | |
72 | PARAMS ((asymbol *, bfd_size_type)); | |
73 | static unsigned int ecoff_armap_hash | |
74 | PARAMS ((const char *, unsigned int *, unsigned int, unsigned int)); | |
252b5132 RH |
75 | \f |
76 | /* This stuff is somewhat copied from coffcode.h. */ | |
5f771d47 ILT |
77 | static asection bfd_debug_section = |
78 | { | |
eea6121a AM |
79 | /* name, id, index, next, flags, user_set_vma, */ |
80 | "*DEBUG*", 0, 0, NULL, 0, 0, | |
d1778b88 AM |
81 | /* linker_mark, linker_has_input, gc_mark, segment_mark, */ |
82 | 0, 0, 0, 0, | |
911d08a7 AM |
83 | /* sec_info_type, use_rela_p, has_tls_reloc, has_gp_reloc, */ |
84 | 0, 0, 0, 0, | |
85 | /* need_finalize_relax, reloc_done, */ | |
ad8e1ba5 | 86 | 0, 0, |
eea6121a AM |
87 | /* vma, lma, size, rawsize, */ |
88 | 0, 0, 0, 0, | |
d1778b88 AM |
89 | /* output_offset, output_section, alignment_power, */ |
90 | 0, NULL, 0, | |
51d7ee16 | 91 | /* relocation, orelocation, reloc_count, filepos, rel_filepos, */ |
062e2358 | 92 | NULL, NULL, 0, 0, 0, |
51d7ee16 NC |
93 | /* line_filepos, userdata, contents, lineno, lineno_count, */ |
94 | 0, NULL, NULL, NULL, 0, | |
082b7297 L |
95 | /* entsize, kept_section, moving_line_filepos, */ |
96 | 0, NULL, 0, | |
062e2358 AM |
97 | /* target_index, used_by_bfd, constructor_chain, owner, */ |
98 | 0, NULL, NULL, NULL, | |
51d7ee16 | 99 | /* symbol, */ |
fc0a2244 | 100 | (struct bfd_symbol *) NULL, |
51d7ee16 | 101 | /* symbol_ptr_ptr, */ |
fc0a2244 | 102 | (struct bfd_symbol **) NULL, |
51d7ee16 NC |
103 | /* link_order_head, link_order_tail */ |
104 | NULL, NULL | |
5f771d47 | 105 | }; |
252b5132 RH |
106 | |
107 | /* Create an ECOFF object. */ | |
108 | ||
b34976b6 | 109 | bfd_boolean |
252b5132 RH |
110 | _bfd_ecoff_mkobject (abfd) |
111 | bfd *abfd; | |
112 | { | |
dc810e39 | 113 | bfd_size_type amt = sizeof (ecoff_data_type); |
b0ac09d2 | 114 | |
dc810e39 | 115 | abfd->tdata.ecoff_obj_data = (struct ecoff_tdata *) bfd_zalloc (abfd, amt); |
252b5132 | 116 | if (abfd->tdata.ecoff_obj_data == NULL) |
b34976b6 | 117 | return FALSE; |
252b5132 | 118 | |
b34976b6 | 119 | return TRUE; |
252b5132 RH |
120 | } |
121 | ||
122 | /* This is a hook called by coff_real_object_p to create any backend | |
123 | specific information. */ | |
124 | ||
125 | PTR | |
126 | _bfd_ecoff_mkobject_hook (abfd, filehdr, aouthdr) | |
127 | bfd *abfd; | |
128 | PTR filehdr; | |
129 | PTR aouthdr; | |
130 | { | |
131 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
132 | struct internal_aouthdr *internal_a = (struct internal_aouthdr *) aouthdr; | |
133 | ecoff_data_type *ecoff; | |
134 | ||
82e51918 | 135 | if (! _bfd_ecoff_mkobject (abfd)) |
252b5132 RH |
136 | return NULL; |
137 | ||
138 | ecoff = ecoff_data (abfd); | |
139 | ecoff->gp_size = 8; | |
140 | ecoff->sym_filepos = internal_f->f_symptr; | |
141 | ||
142 | if (internal_a != (struct internal_aouthdr *) NULL) | |
143 | { | |
144 | int i; | |
145 | ||
146 | ecoff->text_start = internal_a->text_start; | |
147 | ecoff->text_end = internal_a->text_start + internal_a->tsize; | |
148 | ecoff->gp = internal_a->gp_value; | |
149 | ecoff->gprmask = internal_a->gprmask; | |
150 | for (i = 0; i < 4; i++) | |
151 | ecoff->cprmask[i] = internal_a->cprmask[i]; | |
152 | ecoff->fprmask = internal_a->fprmask; | |
153 | if (internal_a->magic == ECOFF_AOUT_ZMAGIC) | |
154 | abfd->flags |= D_PAGED; | |
155 | else | |
156 | abfd->flags &=~ D_PAGED; | |
157 | } | |
158 | ||
159 | /* It turns out that no special action is required by the MIPS or | |
160 | Alpha ECOFF backends. They have different information in the | |
161 | a.out header, but we just copy it all (e.g., gprmask, cprmask and | |
162 | fprmask) and let the swapping routines ensure that only relevant | |
163 | information is written out. */ | |
164 | ||
165 | return (PTR) ecoff; | |
166 | } | |
167 | ||
168 | /* Initialize a new section. */ | |
169 | ||
b34976b6 | 170 | bfd_boolean |
252b5132 | 171 | _bfd_ecoff_new_section_hook (abfd, section) |
5f771d47 | 172 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
173 | asection *section; |
174 | { | |
175 | section->alignment_power = 4; | |
176 | ||
177 | if (strcmp (section->name, _TEXT) == 0 | |
178 | || strcmp (section->name, _INIT) == 0 | |
179 | || strcmp (section->name, _FINI) == 0) | |
180 | section->flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
181 | else if (strcmp (section->name, _DATA) == 0 | |
182 | || strcmp (section->name, _SDATA) == 0) | |
183 | section->flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
184 | else if (strcmp (section->name, _RDATA) == 0 | |
185 | || strcmp (section->name, _LIT8) == 0 | |
186 | || strcmp (section->name, _LIT4) == 0 | |
187 | || strcmp (section->name, _RCONST) == 0 | |
188 | || strcmp (section->name, _PDATA) == 0) | |
189 | section->flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC | SEC_READONLY; | |
190 | else if (strcmp (section->name, _BSS) == 0 | |
191 | || strcmp (section->name, _SBSS) == 0) | |
192 | section->flags |= SEC_ALLOC; | |
193 | else if (strcmp (section->name, _LIB) == 0) | |
b0ac09d2 NC |
194 | /* An Irix 4 shared libary. */ |
195 | section->flags |= SEC_COFF_SHARED_LIBRARY; | |
252b5132 RH |
196 | |
197 | /* Probably any other section name is SEC_NEVER_LOAD, but I'm | |
198 | uncertain about .init on some systems and I don't know how shared | |
199 | libraries work. */ | |
200 | ||
b34976b6 | 201 | return TRUE; |
252b5132 RH |
202 | } |
203 | ||
204 | /* Determine the machine architecture and type. This is called from | |
205 | the generic COFF routines. It is the inverse of ecoff_get_magic, | |
206 | below. This could be an ECOFF backend routine, with one version | |
207 | for each target, but there aren't all that many ECOFF targets. */ | |
208 | ||
b34976b6 | 209 | bfd_boolean |
252b5132 RH |
210 | _bfd_ecoff_set_arch_mach_hook (abfd, filehdr) |
211 | bfd *abfd; | |
212 | PTR filehdr; | |
213 | { | |
214 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
215 | enum bfd_architecture arch; | |
216 | unsigned long mach; | |
217 | ||
218 | switch (internal_f->f_magic) | |
219 | { | |
220 | case MIPS_MAGIC_1: | |
221 | case MIPS_MAGIC_LITTLE: | |
222 | case MIPS_MAGIC_BIG: | |
223 | arch = bfd_arch_mips; | |
250d94fd | 224 | mach = bfd_mach_mips3000; |
252b5132 RH |
225 | break; |
226 | ||
227 | case MIPS_MAGIC_LITTLE2: | |
228 | case MIPS_MAGIC_BIG2: | |
b0ac09d2 | 229 | /* MIPS ISA level 2: the r6000. */ |
252b5132 | 230 | arch = bfd_arch_mips; |
250d94fd | 231 | mach = bfd_mach_mips6000; |
252b5132 RH |
232 | break; |
233 | ||
234 | case MIPS_MAGIC_LITTLE3: | |
235 | case MIPS_MAGIC_BIG3: | |
b0ac09d2 | 236 | /* MIPS ISA level 3: the r4000. */ |
252b5132 | 237 | arch = bfd_arch_mips; |
250d94fd | 238 | mach = bfd_mach_mips4000; |
252b5132 RH |
239 | break; |
240 | ||
241 | case ALPHA_MAGIC: | |
242 | arch = bfd_arch_alpha; | |
243 | mach = 0; | |
244 | break; | |
245 | ||
246 | default: | |
247 | arch = bfd_arch_obscure; | |
248 | mach = 0; | |
249 | break; | |
250 | } | |
251 | ||
252 | return bfd_default_set_arch_mach (abfd, arch, mach); | |
253 | } | |
254 | ||
255 | /* Get the magic number to use based on the architecture and machine. | |
256 | This is the inverse of _bfd_ecoff_set_arch_mach_hook, above. */ | |
257 | ||
258 | static int | |
259 | ecoff_get_magic (abfd) | |
260 | bfd *abfd; | |
261 | { | |
262 | int big, little; | |
263 | ||
264 | switch (bfd_get_arch (abfd)) | |
265 | { | |
266 | case bfd_arch_mips: | |
267 | switch (bfd_get_mach (abfd)) | |
268 | { | |
269 | default: | |
270 | case 0: | |
250d94fd | 271 | case bfd_mach_mips3000: |
252b5132 RH |
272 | big = MIPS_MAGIC_BIG; |
273 | little = MIPS_MAGIC_LITTLE; | |
274 | break; | |
275 | ||
250d94fd | 276 | case bfd_mach_mips6000: |
252b5132 RH |
277 | big = MIPS_MAGIC_BIG2; |
278 | little = MIPS_MAGIC_LITTLE2; | |
279 | break; | |
280 | ||
250d94fd | 281 | case bfd_mach_mips4000: |
252b5132 RH |
282 | big = MIPS_MAGIC_BIG3; |
283 | little = MIPS_MAGIC_LITTLE3; | |
284 | break; | |
285 | } | |
286 | ||
287 | return bfd_big_endian (abfd) ? big : little; | |
288 | ||
289 | case bfd_arch_alpha: | |
290 | return ALPHA_MAGIC; | |
291 | ||
292 | default: | |
293 | abort (); | |
294 | return 0; | |
295 | } | |
296 | } | |
297 | ||
298 | /* Get the section s_flags to use for a section. */ | |
299 | ||
300 | static long | |
301 | ecoff_sec_to_styp_flags (name, flags) | |
302 | const char *name; | |
303 | flagword flags; | |
304 | { | |
305 | long styp; | |
306 | ||
307 | styp = 0; | |
308 | ||
309 | if (strcmp (name, _TEXT) == 0) | |
310 | styp = STYP_TEXT; | |
311 | else if (strcmp (name, _DATA) == 0) | |
312 | styp = STYP_DATA; | |
313 | else if (strcmp (name, _SDATA) == 0) | |
314 | styp = STYP_SDATA; | |
315 | else if (strcmp (name, _RDATA) == 0) | |
316 | styp = STYP_RDATA; | |
317 | else if (strcmp (name, _LITA) == 0) | |
318 | styp = STYP_LITA; | |
319 | else if (strcmp (name, _LIT8) == 0) | |
320 | styp = STYP_LIT8; | |
321 | else if (strcmp (name, _LIT4) == 0) | |
322 | styp = STYP_LIT4; | |
323 | else if (strcmp (name, _BSS) == 0) | |
324 | styp = STYP_BSS; | |
325 | else if (strcmp (name, _SBSS) == 0) | |
326 | styp = STYP_SBSS; | |
327 | else if (strcmp (name, _INIT) == 0) | |
328 | styp = STYP_ECOFF_INIT; | |
329 | else if (strcmp (name, _FINI) == 0) | |
330 | styp = STYP_ECOFF_FINI; | |
331 | else if (strcmp (name, _PDATA) == 0) | |
332 | styp = STYP_PDATA; | |
333 | else if (strcmp (name, _XDATA) == 0) | |
334 | styp = STYP_XDATA; | |
335 | else if (strcmp (name, _LIB) == 0) | |
336 | styp = STYP_ECOFF_LIB; | |
337 | else if (strcmp (name, _GOT) == 0) | |
338 | styp = STYP_GOT; | |
339 | else if (strcmp (name, _HASH) == 0) | |
340 | styp = STYP_HASH; | |
341 | else if (strcmp (name, _DYNAMIC) == 0) | |
342 | styp = STYP_DYNAMIC; | |
343 | else if (strcmp (name, _LIBLIST) == 0) | |
344 | styp = STYP_LIBLIST; | |
345 | else if (strcmp (name, _RELDYN) == 0) | |
346 | styp = STYP_RELDYN; | |
347 | else if (strcmp (name, _CONFLIC) == 0) | |
348 | styp = STYP_CONFLIC; | |
349 | else if (strcmp (name, _DYNSTR) == 0) | |
350 | styp = STYP_DYNSTR; | |
351 | else if (strcmp (name, _DYNSYM) == 0) | |
352 | styp = STYP_DYNSYM; | |
353 | else if (strcmp (name, _COMMENT) == 0) | |
354 | { | |
355 | styp = STYP_COMMENT; | |
356 | flags &=~ SEC_NEVER_LOAD; | |
357 | } | |
358 | else if (strcmp (name, _RCONST) == 0) | |
359 | styp = STYP_RCONST; | |
1abaf976 | 360 | else if (flags & SEC_CODE) |
252b5132 | 361 | styp = STYP_TEXT; |
1abaf976 | 362 | else if (flags & SEC_DATA) |
252b5132 RH |
363 | styp = STYP_DATA; |
364 | else if (flags & SEC_READONLY) | |
365 | styp = STYP_RDATA; | |
366 | else if (flags & SEC_LOAD) | |
367 | styp = STYP_REG; | |
368 | else | |
369 | styp = STYP_BSS; | |
370 | ||
371 | if (flags & SEC_NEVER_LOAD) | |
372 | styp |= STYP_NOLOAD; | |
373 | ||
374 | return styp; | |
375 | } | |
376 | ||
377 | /* Get the BFD flags to use for a section. */ | |
378 | ||
b34976b6 | 379 | bfd_boolean |
7c8ca0e4 | 380 | _bfd_ecoff_styp_to_sec_flags (abfd, hdr, name, section, flags_ptr) |
5f771d47 | 381 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 | 382 | PTR hdr; |
5f771d47 | 383 | const char *name ATTRIBUTE_UNUSED; |
7b50b349 | 384 | asection *section ATTRIBUTE_UNUSED; |
7c8ca0e4 | 385 | flagword * flags_ptr; |
252b5132 RH |
386 | { |
387 | struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr; | |
388 | long styp_flags = internal_s->s_flags; | |
7c8ca0e4 | 389 | flagword sec_flags = 0; |
252b5132 RH |
390 | |
391 | if (styp_flags & STYP_NOLOAD) | |
392 | sec_flags |= SEC_NEVER_LOAD; | |
393 | ||
394 | /* For 386 COFF, at least, an unloadable text or data section is | |
395 | actually a shared library section. */ | |
396 | if ((styp_flags & STYP_TEXT) | |
397 | || (styp_flags & STYP_ECOFF_INIT) | |
398 | || (styp_flags & STYP_ECOFF_FINI) | |
399 | || (styp_flags & STYP_DYNAMIC) | |
400 | || (styp_flags & STYP_LIBLIST) | |
401 | || (styp_flags & STYP_RELDYN) | |
402 | || styp_flags == STYP_CONFLIC | |
403 | || (styp_flags & STYP_DYNSTR) | |
404 | || (styp_flags & STYP_DYNSYM) | |
405 | || (styp_flags & STYP_HASH)) | |
406 | { | |
407 | if (sec_flags & SEC_NEVER_LOAD) | |
408 | sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY; | |
409 | else | |
410 | sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
411 | } | |
412 | else if ((styp_flags & STYP_DATA) | |
413 | || (styp_flags & STYP_RDATA) | |
414 | || (styp_flags & STYP_SDATA) | |
415 | || styp_flags == STYP_PDATA | |
416 | || styp_flags == STYP_XDATA | |
417 | || (styp_flags & STYP_GOT) | |
418 | || styp_flags == STYP_RCONST) | |
419 | { | |
420 | if (sec_flags & SEC_NEVER_LOAD) | |
421 | sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY; | |
422 | else | |
423 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
424 | if ((styp_flags & STYP_RDATA) | |
425 | || styp_flags == STYP_PDATA | |
426 | || styp_flags == STYP_RCONST) | |
427 | sec_flags |= SEC_READONLY; | |
428 | } | |
429 | else if ((styp_flags & STYP_BSS) | |
430 | || (styp_flags & STYP_SBSS)) | |
7c8ca0e4 | 431 | sec_flags |= SEC_ALLOC; |
252b5132 | 432 | else if ((styp_flags & STYP_INFO) || styp_flags == STYP_COMMENT) |
7c8ca0e4 | 433 | sec_flags |= SEC_NEVER_LOAD; |
252b5132 RH |
434 | else if ((styp_flags & STYP_LITA) |
435 | || (styp_flags & STYP_LIT8) | |
436 | || (styp_flags & STYP_LIT4)) | |
7c8ca0e4 | 437 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC | SEC_READONLY; |
252b5132 | 438 | else if (styp_flags & STYP_ECOFF_LIB) |
7c8ca0e4 | 439 | sec_flags |= SEC_COFF_SHARED_LIBRARY; |
252b5132 | 440 | else |
7c8ca0e4 | 441 | sec_flags |= SEC_ALLOC | SEC_LOAD; |
252b5132 | 442 | |
7c8ca0e4 | 443 | * flags_ptr = sec_flags; |
b34976b6 | 444 | return TRUE; |
252b5132 RH |
445 | } |
446 | \f | |
447 | /* Read in the symbolic header for an ECOFF object file. */ | |
448 | ||
b34976b6 | 449 | static bfd_boolean |
252b5132 RH |
450 | ecoff_slurp_symbolic_header (abfd) |
451 | bfd *abfd; | |
452 | { | |
453 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
454 | bfd_size_type external_hdr_size; | |
455 | PTR raw = NULL; | |
456 | HDRR *internal_symhdr; | |
457 | ||
458 | /* See if we've already read it in. */ | |
1abaf976 | 459 | if (ecoff_data (abfd)->debug_info.symbolic_header.magic == |
252b5132 | 460 | backend->debug_swap.sym_magic) |
b34976b6 | 461 | return TRUE; |
252b5132 RH |
462 | |
463 | /* See whether there is a symbolic header. */ | |
464 | if (ecoff_data (abfd)->sym_filepos == 0) | |
465 | { | |
466 | bfd_get_symcount (abfd) = 0; | |
b34976b6 | 467 | return TRUE; |
252b5132 RH |
468 | } |
469 | ||
470 | /* At this point bfd_get_symcount (abfd) holds the number of symbols | |
471 | as read from the file header, but on ECOFF this is always the | |
472 | size of the symbolic information header. It would be cleaner to | |
473 | handle this when we first read the file in coffgen.c. */ | |
474 | external_hdr_size = backend->debug_swap.external_hdr_size; | |
475 | if (bfd_get_symcount (abfd) != external_hdr_size) | |
476 | { | |
477 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 478 | return FALSE; |
252b5132 RH |
479 | } |
480 | ||
481 | /* Read the symbolic information header. */ | |
dc810e39 | 482 | raw = (PTR) bfd_malloc (external_hdr_size); |
252b5132 RH |
483 | if (raw == NULL) |
484 | goto error_return; | |
485 | ||
dc810e39 AM |
486 | if (bfd_seek (abfd, ecoff_data (abfd)->sym_filepos, SEEK_SET) != 0 |
487 | || bfd_bread (raw, external_hdr_size, abfd) != external_hdr_size) | |
252b5132 RH |
488 | goto error_return; |
489 | internal_symhdr = &ecoff_data (abfd)->debug_info.symbolic_header; | |
490 | (*backend->debug_swap.swap_hdr_in) (abfd, raw, internal_symhdr); | |
491 | ||
492 | if (internal_symhdr->magic != backend->debug_swap.sym_magic) | |
493 | { | |
494 | bfd_set_error (bfd_error_bad_value); | |
495 | goto error_return; | |
496 | } | |
497 | ||
498 | /* Now we can get the correct number of symbols. */ | |
499 | bfd_get_symcount (abfd) = (internal_symhdr->isymMax | |
500 | + internal_symhdr->iextMax); | |
501 | ||
502 | if (raw != NULL) | |
503 | free (raw); | |
b34976b6 | 504 | return TRUE; |
252b5132 RH |
505 | error_return: |
506 | if (raw != NULL) | |
507 | free (raw); | |
b34976b6 | 508 | return FALSE; |
252b5132 RH |
509 | } |
510 | ||
511 | /* Read in and swap the important symbolic information for an ECOFF | |
512 | object file. This is called by gdb via the read_debug_info entry | |
513 | point in the backend structure. */ | |
514 | ||
b34976b6 | 515 | bfd_boolean |
252b5132 RH |
516 | _bfd_ecoff_slurp_symbolic_info (abfd, ignore, debug) |
517 | bfd *abfd; | |
5f771d47 | 518 | asection *ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
519 | struct ecoff_debug_info *debug; |
520 | { | |
521 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
522 | HDRR *internal_symhdr; | |
523 | bfd_size_type raw_base; | |
524 | bfd_size_type raw_size; | |
525 | PTR raw; | |
526 | bfd_size_type external_fdr_size; | |
527 | char *fraw_src; | |
528 | char *fraw_end; | |
529 | struct fdr *fdr_ptr; | |
530 | bfd_size_type raw_end; | |
531 | bfd_size_type cb_end; | |
dc810e39 AM |
532 | bfd_size_type amt; |
533 | file_ptr pos; | |
252b5132 RH |
534 | |
535 | BFD_ASSERT (debug == &ecoff_data (abfd)->debug_info); | |
536 | ||
537 | /* Check whether we've already gotten it, and whether there's any to | |
538 | get. */ | |
539 | if (ecoff_data (abfd)->raw_syments != (PTR) NULL) | |
b34976b6 | 540 | return TRUE; |
252b5132 RH |
541 | if (ecoff_data (abfd)->sym_filepos == 0) |
542 | { | |
543 | bfd_get_symcount (abfd) = 0; | |
b34976b6 | 544 | return TRUE; |
252b5132 RH |
545 | } |
546 | ||
547 | if (! ecoff_slurp_symbolic_header (abfd)) | |
b34976b6 | 548 | return FALSE; |
252b5132 RH |
549 | |
550 | internal_symhdr = &debug->symbolic_header; | |
551 | ||
552 | /* Read all the symbolic information at once. */ | |
553 | raw_base = (ecoff_data (abfd)->sym_filepos | |
554 | + backend->debug_swap.external_hdr_size); | |
555 | ||
556 | /* Alpha ecoff makes the determination of raw_size difficult. It has | |
557 | an undocumented debug data section between the symhdr and the first | |
558 | documented section. And the ordering of the sections varies between | |
559 | statically and dynamically linked executables. | |
560 | If bfd supports SEEK_END someday, this code could be simplified. */ | |
252b5132 RH |
561 | raw_end = 0; |
562 | ||
563 | #define UPDATE_RAW_END(start, count, size) \ | |
564 | cb_end = internal_symhdr->start + internal_symhdr->count * (size); \ | |
565 | if (cb_end > raw_end) \ | |
566 | raw_end = cb_end | |
567 | ||
568 | UPDATE_RAW_END (cbLineOffset, cbLine, sizeof (unsigned char)); | |
569 | UPDATE_RAW_END (cbDnOffset, idnMax, backend->debug_swap.external_dnr_size); | |
570 | UPDATE_RAW_END (cbPdOffset, ipdMax, backend->debug_swap.external_pdr_size); | |
571 | UPDATE_RAW_END (cbSymOffset, isymMax, backend->debug_swap.external_sym_size); | |
0e327d91 NC |
572 | /* eraxxon@alumni.rice.edu: ioptMax refers to the size of the |
573 | optimization symtab, not the number of entries */ | |
574 | UPDATE_RAW_END (cbOptOffset, ioptMax, sizeof (char)); | |
252b5132 RH |
575 | UPDATE_RAW_END (cbAuxOffset, iauxMax, sizeof (union aux_ext)); |
576 | UPDATE_RAW_END (cbSsOffset, issMax, sizeof (char)); | |
577 | UPDATE_RAW_END (cbSsExtOffset, issExtMax, sizeof (char)); | |
578 | UPDATE_RAW_END (cbFdOffset, ifdMax, backend->debug_swap.external_fdr_size); | |
579 | UPDATE_RAW_END (cbRfdOffset, crfd, backend->debug_swap.external_rfd_size); | |
580 | UPDATE_RAW_END (cbExtOffset, iextMax, backend->debug_swap.external_ext_size); | |
581 | ||
582 | #undef UPDATE_RAW_END | |
583 | ||
584 | raw_size = raw_end - raw_base; | |
585 | if (raw_size == 0) | |
586 | { | |
587 | ecoff_data (abfd)->sym_filepos = 0; | |
b34976b6 | 588 | return TRUE; |
252b5132 RH |
589 | } |
590 | raw = (PTR) bfd_alloc (abfd, raw_size); | |
591 | if (raw == NULL) | |
b34976b6 | 592 | return FALSE; |
dc810e39 AM |
593 | |
594 | pos = ecoff_data (abfd)->sym_filepos; | |
595 | pos += backend->debug_swap.external_hdr_size; | |
596 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 | |
597 | || bfd_bread (raw, raw_size, abfd) != raw_size) | |
252b5132 RH |
598 | { |
599 | bfd_release (abfd, raw); | |
b34976b6 | 600 | return FALSE; |
252b5132 RH |
601 | } |
602 | ||
603 | ecoff_data (abfd)->raw_syments = raw; | |
604 | ||
605 | /* Get pointers for the numeric offsets in the HDRR structure. */ | |
606 | #define FIX(off1, off2, type) \ | |
607 | if (internal_symhdr->off1 == 0) \ | |
608 | debug->off2 = (type) NULL; \ | |
609 | else \ | |
610 | debug->off2 = (type) ((char *) raw \ | |
611 | + (internal_symhdr->off1 \ | |
612 | - raw_base)) | |
b0ac09d2 | 613 | |
252b5132 RH |
614 | FIX (cbLineOffset, line, unsigned char *); |
615 | FIX (cbDnOffset, external_dnr, PTR); | |
616 | FIX (cbPdOffset, external_pdr, PTR); | |
617 | FIX (cbSymOffset, external_sym, PTR); | |
618 | FIX (cbOptOffset, external_opt, PTR); | |
619 | FIX (cbAuxOffset, external_aux, union aux_ext *); | |
620 | FIX (cbSsOffset, ss, char *); | |
621 | FIX (cbSsExtOffset, ssext, char *); | |
622 | FIX (cbFdOffset, external_fdr, PTR); | |
623 | FIX (cbRfdOffset, external_rfd, PTR); | |
624 | FIX (cbExtOffset, external_ext, PTR); | |
625 | #undef FIX | |
626 | ||
627 | /* I don't want to always swap all the data, because it will just | |
628 | waste time and most programs will never look at it. The only | |
629 | time the linker needs most of the debugging information swapped | |
630 | is when linking big-endian and little-endian MIPS object files | |
631 | together, which is not a common occurrence. | |
632 | ||
633 | We need to look at the fdr to deal with a lot of information in | |
634 | the symbols, so we swap them here. */ | |
dc810e39 AM |
635 | amt = internal_symhdr->ifdMax; |
636 | amt *= sizeof (struct fdr); | |
637 | debug->fdr = (struct fdr *) bfd_alloc (abfd, amt); | |
252b5132 | 638 | if (debug->fdr == NULL) |
b34976b6 | 639 | return FALSE; |
252b5132 RH |
640 | external_fdr_size = backend->debug_swap.external_fdr_size; |
641 | fdr_ptr = debug->fdr; | |
642 | fraw_src = (char *) debug->external_fdr; | |
643 | fraw_end = fraw_src + internal_symhdr->ifdMax * external_fdr_size; | |
644 | for (; fraw_src < fraw_end; fraw_src += external_fdr_size, fdr_ptr++) | |
645 | (*backend->debug_swap.swap_fdr_in) (abfd, (PTR) fraw_src, fdr_ptr); | |
646 | ||
b34976b6 | 647 | return TRUE; |
252b5132 RH |
648 | } |
649 | \f | |
650 | /* ECOFF symbol table routines. The ECOFF symbol table is described | |
651 | in gcc/mips-tfile.c. */ | |
652 | ||
653 | /* ECOFF uses two common sections. One is the usual one, and the | |
654 | other is for small objects. All the small objects are kept | |
655 | together, and then referenced via the gp pointer, which yields | |
656 | faster assembler code. This is what we use for the small common | |
657 | section. */ | |
658 | static asection ecoff_scom_section; | |
659 | static asymbol ecoff_scom_symbol; | |
660 | static asymbol *ecoff_scom_symbol_ptr; | |
661 | ||
662 | /* Create an empty symbol. */ | |
663 | ||
664 | asymbol * | |
665 | _bfd_ecoff_make_empty_symbol (abfd) | |
666 | bfd *abfd; | |
667 | { | |
668 | ecoff_symbol_type *new; | |
dc810e39 | 669 | bfd_size_type amt = sizeof (ecoff_symbol_type); |
252b5132 | 670 | |
9bab7074 | 671 | new = (ecoff_symbol_type *) bfd_zalloc (abfd, amt); |
252b5132 RH |
672 | if (new == (ecoff_symbol_type *) NULL) |
673 | return (asymbol *) NULL; | |
252b5132 RH |
674 | new->symbol.section = (asection *) NULL; |
675 | new->fdr = (FDR *) NULL; | |
b34976b6 | 676 | new->local = FALSE; |
252b5132 RH |
677 | new->native = NULL; |
678 | new->symbol.the_bfd = abfd; | |
679 | return &new->symbol; | |
680 | } | |
681 | ||
682 | /* Set the BFD flags and section for an ECOFF symbol. */ | |
683 | ||
b34976b6 | 684 | static bfd_boolean |
252b5132 RH |
685 | ecoff_set_symbol_info (abfd, ecoff_sym, asym, ext, weak) |
686 | bfd *abfd; | |
687 | SYMR *ecoff_sym; | |
688 | asymbol *asym; | |
689 | int ext; | |
690 | int weak; | |
691 | { | |
692 | asym->the_bfd = abfd; | |
693 | asym->value = ecoff_sym->value; | |
694 | asym->section = &bfd_debug_section; | |
695 | asym->udata.i = 0; | |
696 | ||
697 | /* Most symbol types are just for debugging. */ | |
698 | switch (ecoff_sym->st) | |
699 | { | |
700 | case stGlobal: | |
701 | case stStatic: | |
702 | case stLabel: | |
703 | case stProc: | |
704 | case stStaticProc: | |
705 | break; | |
706 | case stNil: | |
707 | if (ECOFF_IS_STAB (ecoff_sym)) | |
708 | { | |
709 | asym->flags = BSF_DEBUGGING; | |
b34976b6 | 710 | return TRUE; |
252b5132 RH |
711 | } |
712 | break; | |
713 | default: | |
714 | asym->flags = BSF_DEBUGGING; | |
b34976b6 | 715 | return TRUE; |
252b5132 RH |
716 | } |
717 | ||
718 | if (weak) | |
719 | asym->flags = BSF_EXPORT | BSF_WEAK; | |
720 | else if (ext) | |
721 | asym->flags = BSF_EXPORT | BSF_GLOBAL; | |
722 | else | |
723 | { | |
724 | asym->flags = BSF_LOCAL; | |
725 | /* Normally, a local stProc symbol will have a corresponding | |
726 | external symbol. We mark the local symbol as a debugging | |
727 | symbol, in order to prevent nm from printing both out. | |
728 | Similarly, we mark stLabel and stabs symbols as debugging | |
729 | symbols. In both cases, we do want to set the value | |
730 | correctly based on the symbol class. */ | |
731 | if (ecoff_sym->st == stProc | |
732 | || ecoff_sym->st == stLabel | |
733 | || ECOFF_IS_STAB (ecoff_sym)) | |
734 | asym->flags |= BSF_DEBUGGING; | |
735 | } | |
b0ac09d2 NC |
736 | |
737 | if (ecoff_sym->st == stProc || ecoff_sym->st == stStaticProc) | |
738 | asym->flags |= BSF_FUNCTION; | |
739 | ||
252b5132 RH |
740 | switch (ecoff_sym->sc) |
741 | { | |
742 | case scNil: | |
743 | /* Used for compiler generated labels. Leave them in the | |
744 | debugging section, and mark them as local. If BSF_DEBUGGING | |
745 | is set, then nm does not display them for some reason. If no | |
746 | flags are set then the linker whines about them. */ | |
747 | asym->flags = BSF_LOCAL; | |
748 | break; | |
749 | case scText: | |
750 | asym->section = bfd_make_section_old_way (abfd, ".text"); | |
751 | asym->value -= asym->section->vma; | |
752 | break; | |
753 | case scData: | |
754 | asym->section = bfd_make_section_old_way (abfd, ".data"); | |
755 | asym->value -= asym->section->vma; | |
756 | break; | |
757 | case scBss: | |
758 | asym->section = bfd_make_section_old_way (abfd, ".bss"); | |
759 | asym->value -= asym->section->vma; | |
760 | break; | |
761 | case scRegister: | |
762 | asym->flags = BSF_DEBUGGING; | |
763 | break; | |
764 | case scAbs: | |
765 | asym->section = bfd_abs_section_ptr; | |
766 | break; | |
767 | case scUndefined: | |
768 | asym->section = bfd_und_section_ptr; | |
769 | asym->flags = 0; | |
770 | asym->value = 0; | |
771 | break; | |
772 | case scCdbLocal: | |
773 | case scBits: | |
774 | case scCdbSystem: | |
775 | case scRegImage: | |
776 | case scInfo: | |
777 | case scUserStruct: | |
778 | asym->flags = BSF_DEBUGGING; | |
779 | break; | |
780 | case scSData: | |
781 | asym->section = bfd_make_section_old_way (abfd, ".sdata"); | |
782 | asym->value -= asym->section->vma; | |
783 | break; | |
784 | case scSBss: | |
785 | asym->section = bfd_make_section_old_way (abfd, ".sbss"); | |
786 | asym->value -= asym->section->vma; | |
787 | break; | |
788 | case scRData: | |
789 | asym->section = bfd_make_section_old_way (abfd, ".rdata"); | |
790 | asym->value -= asym->section->vma; | |
791 | break; | |
792 | case scVar: | |
793 | asym->flags = BSF_DEBUGGING; | |
794 | break; | |
795 | case scCommon: | |
796 | if (asym->value > ecoff_data (abfd)->gp_size) | |
797 | { | |
798 | asym->section = bfd_com_section_ptr; | |
799 | asym->flags = 0; | |
800 | break; | |
801 | } | |
802 | /* Fall through. */ | |
803 | case scSCommon: | |
804 | if (ecoff_scom_section.name == NULL) | |
805 | { | |
806 | /* Initialize the small common section. */ | |
807 | ecoff_scom_section.name = SCOMMON; | |
808 | ecoff_scom_section.flags = SEC_IS_COMMON; | |
809 | ecoff_scom_section.output_section = &ecoff_scom_section; | |
810 | ecoff_scom_section.symbol = &ecoff_scom_symbol; | |
811 | ecoff_scom_section.symbol_ptr_ptr = &ecoff_scom_symbol_ptr; | |
812 | ecoff_scom_symbol.name = SCOMMON; | |
813 | ecoff_scom_symbol.flags = BSF_SECTION_SYM; | |
814 | ecoff_scom_symbol.section = &ecoff_scom_section; | |
815 | ecoff_scom_symbol_ptr = &ecoff_scom_symbol; | |
816 | } | |
817 | asym->section = &ecoff_scom_section; | |
818 | asym->flags = 0; | |
819 | break; | |
820 | case scVarRegister: | |
821 | case scVariant: | |
822 | asym->flags = BSF_DEBUGGING; | |
823 | break; | |
824 | case scSUndefined: | |
825 | asym->section = bfd_und_section_ptr; | |
826 | asym->flags = 0; | |
827 | asym->value = 0; | |
828 | break; | |
829 | case scInit: | |
830 | asym->section = bfd_make_section_old_way (abfd, ".init"); | |
831 | asym->value -= asym->section->vma; | |
832 | break; | |
833 | case scBasedVar: | |
834 | case scXData: | |
835 | case scPData: | |
836 | asym->flags = BSF_DEBUGGING; | |
837 | break; | |
838 | case scFini: | |
839 | asym->section = bfd_make_section_old_way (abfd, ".fini"); | |
840 | asym->value -= asym->section->vma; | |
841 | break; | |
842 | case scRConst: | |
843 | asym->section = bfd_make_section_old_way (abfd, ".rconst"); | |
844 | asym->value -= asym->section->vma; | |
845 | break; | |
846 | default: | |
847 | break; | |
848 | } | |
849 | ||
850 | /* Look for special constructors symbols and make relocation entries | |
851 | in a special construction section. These are produced by the | |
852 | -fgnu-linker argument to g++. */ | |
853 | if (ECOFF_IS_STAB (ecoff_sym)) | |
854 | { | |
855 | switch (ECOFF_UNMARK_STAB (ecoff_sym->index)) | |
856 | { | |
857 | default: | |
858 | break; | |
859 | ||
860 | case N_SETA: | |
861 | case N_SETT: | |
862 | case N_SETD: | |
863 | case N_SETB: | |
864 | { | |
865 | /* This code is no longer needed. It used to be used to | |
866 | make the linker handle set symbols, but they are now | |
867 | handled in the add_symbols routine instead. */ | |
868 | #if 0 | |
869 | const char *name; | |
870 | asection *section; | |
871 | arelent_chain *reloc_chain; | |
872 | unsigned int bitsize; | |
dc810e39 | 873 | bfd_size_type amt; |
252b5132 RH |
874 | |
875 | /* Get a section with the same name as the symbol (usually | |
876 | __CTOR_LIST__ or __DTOR_LIST__). FIXME: gcc uses the | |
877 | name ___CTOR_LIST (three underscores). We need | |
878 | __CTOR_LIST (two underscores), since ECOFF doesn't use | |
879 | a leading underscore. This should be handled by gcc, | |
880 | but instead we do it here. Actually, this should all | |
881 | be done differently anyhow. */ | |
882 | name = bfd_asymbol_name (asym); | |
883 | if (name[0] == '_' && name[1] == '_' && name[2] == '_') | |
884 | { | |
885 | ++name; | |
886 | asym->name = name; | |
887 | } | |
888 | section = bfd_get_section_by_name (abfd, name); | |
889 | if (section == (asection *) NULL) | |
890 | { | |
891 | char *copy; | |
892 | ||
dc810e39 AM |
893 | amt = strlen (name) + 1; |
894 | copy = (char *) bfd_alloc (abfd, amt); | |
252b5132 | 895 | if (!copy) |
b34976b6 | 896 | return FALSE; |
252b5132 RH |
897 | strcpy (copy, name); |
898 | section = bfd_make_section (abfd, copy); | |
899 | } | |
900 | ||
901 | /* Build a reloc pointing to this constructor. */ | |
dc810e39 AM |
902 | amt = sizeof (arelent_chain); |
903 | reloc_chain = (arelent_chain *) bfd_alloc (abfd, amt); | |
252b5132 | 904 | if (!reloc_chain) |
b34976b6 | 905 | return FALSE; |
252b5132 RH |
906 | reloc_chain->relent.sym_ptr_ptr = |
907 | bfd_get_section (asym)->symbol_ptr_ptr; | |
eea6121a | 908 | reloc_chain->relent.address = section->size; |
252b5132 RH |
909 | reloc_chain->relent.addend = asym->value; |
910 | reloc_chain->relent.howto = | |
911 | ecoff_backend (abfd)->constructor_reloc; | |
912 | ||
913 | /* Set up the constructor section to hold the reloc. */ | |
914 | section->flags = SEC_CONSTRUCTOR; | |
915 | ++section->reloc_count; | |
916 | ||
917 | /* Constructor sections must be rounded to a boundary | |
918 | based on the bitsize. These are not real sections-- | |
919 | they are handled specially by the linker--so the ECOFF | |
920 | 16 byte alignment restriction does not apply. */ | |
921 | bitsize = ecoff_backend (abfd)->constructor_bitsize; | |
922 | section->alignment_power = 1; | |
923 | while ((1 << section->alignment_power) < bitsize / 8) | |
924 | ++section->alignment_power; | |
925 | ||
926 | reloc_chain->next = section->constructor_chain; | |
927 | section->constructor_chain = reloc_chain; | |
eea6121a | 928 | section->size += bitsize / 8; |
252b5132 RH |
929 | |
930 | #endif /* 0 */ | |
931 | ||
932 | /* Mark the symbol as a constructor. */ | |
933 | asym->flags |= BSF_CONSTRUCTOR; | |
934 | } | |
935 | break; | |
936 | } | |
937 | } | |
b34976b6 | 938 | return TRUE; |
252b5132 RH |
939 | } |
940 | ||
941 | /* Read an ECOFF symbol table. */ | |
942 | ||
b34976b6 | 943 | bfd_boolean |
252b5132 RH |
944 | _bfd_ecoff_slurp_symbol_table (abfd) |
945 | bfd *abfd; | |
946 | { | |
947 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
948 | const bfd_size_type external_ext_size | |
949 | = backend->debug_swap.external_ext_size; | |
950 | const bfd_size_type external_sym_size | |
951 | = backend->debug_swap.external_sym_size; | |
952 | void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *)) | |
953 | = backend->debug_swap.swap_ext_in; | |
954 | void (* const swap_sym_in) PARAMS ((bfd *, PTR, SYMR *)) | |
955 | = backend->debug_swap.swap_sym_in; | |
956 | bfd_size_type internal_size; | |
957 | ecoff_symbol_type *internal; | |
958 | ecoff_symbol_type *internal_ptr; | |
959 | char *eraw_src; | |
960 | char *eraw_end; | |
961 | FDR *fdr_ptr; | |
962 | FDR *fdr_end; | |
963 | ||
964 | /* If we've already read in the symbol table, do nothing. */ | |
965 | if (ecoff_data (abfd)->canonical_symbols != NULL) | |
b34976b6 | 966 | return TRUE; |
252b5132 RH |
967 | |
968 | /* Get the symbolic information. */ | |
969 | if (! _bfd_ecoff_slurp_symbolic_info (abfd, (asection *) NULL, | |
970 | &ecoff_data (abfd)->debug_info)) | |
b34976b6 | 971 | return FALSE; |
252b5132 | 972 | if (bfd_get_symcount (abfd) == 0) |
b34976b6 | 973 | return TRUE; |
252b5132 | 974 | |
dc810e39 AM |
975 | internal_size = bfd_get_symcount (abfd); |
976 | internal_size *= sizeof (ecoff_symbol_type); | |
252b5132 RH |
977 | internal = (ecoff_symbol_type *) bfd_alloc (abfd, internal_size); |
978 | if (internal == NULL) | |
b34976b6 | 979 | return FALSE; |
252b5132 RH |
980 | |
981 | internal_ptr = internal; | |
982 | eraw_src = (char *) ecoff_data (abfd)->debug_info.external_ext; | |
983 | eraw_end = (eraw_src | |
984 | + (ecoff_data (abfd)->debug_info.symbolic_header.iextMax | |
985 | * external_ext_size)); | |
986 | for (; eraw_src < eraw_end; eraw_src += external_ext_size, internal_ptr++) | |
987 | { | |
988 | EXTR internal_esym; | |
989 | ||
990 | (*swap_ext_in) (abfd, (PTR) eraw_src, &internal_esym); | |
991 | internal_ptr->symbol.name = (ecoff_data (abfd)->debug_info.ssext | |
992 | + internal_esym.asym.iss); | |
993 | if (!ecoff_set_symbol_info (abfd, &internal_esym.asym, | |
994 | &internal_ptr->symbol, 1, | |
995 | internal_esym.weakext)) | |
b34976b6 | 996 | return FALSE; |
252b5132 RH |
997 | /* The alpha uses a negative ifd field for section symbols. */ |
998 | if (internal_esym.ifd >= 0) | |
999 | internal_ptr->fdr = (ecoff_data (abfd)->debug_info.fdr | |
1000 | + internal_esym.ifd); | |
1001 | else | |
1002 | internal_ptr->fdr = NULL; | |
b34976b6 | 1003 | internal_ptr->local = FALSE; |
252b5132 RH |
1004 | internal_ptr->native = (PTR) eraw_src; |
1005 | } | |
1006 | ||
1007 | /* The local symbols must be accessed via the fdr's, because the | |
1008 | string and aux indices are relative to the fdr information. */ | |
1009 | fdr_ptr = ecoff_data (abfd)->debug_info.fdr; | |
1010 | fdr_end = fdr_ptr + ecoff_data (abfd)->debug_info.symbolic_header.ifdMax; | |
1011 | for (; fdr_ptr < fdr_end; fdr_ptr++) | |
1012 | { | |
1013 | char *lraw_src; | |
1014 | char *lraw_end; | |
1015 | ||
1016 | lraw_src = ((char *) ecoff_data (abfd)->debug_info.external_sym | |
1017 | + fdr_ptr->isymBase * external_sym_size); | |
1018 | lraw_end = lraw_src + fdr_ptr->csym * external_sym_size; | |
1019 | for (; | |
1020 | lraw_src < lraw_end; | |
1021 | lraw_src += external_sym_size, internal_ptr++) | |
1022 | { | |
1023 | SYMR internal_sym; | |
1024 | ||
1025 | (*swap_sym_in) (abfd, (PTR) lraw_src, &internal_sym); | |
1026 | internal_ptr->symbol.name = (ecoff_data (abfd)->debug_info.ss | |
1027 | + fdr_ptr->issBase | |
1028 | + internal_sym.iss); | |
1029 | if (!ecoff_set_symbol_info (abfd, &internal_sym, | |
1030 | &internal_ptr->symbol, 0, 0)) | |
b34976b6 | 1031 | return FALSE; |
252b5132 | 1032 | internal_ptr->fdr = fdr_ptr; |
b34976b6 | 1033 | internal_ptr->local = TRUE; |
252b5132 RH |
1034 | internal_ptr->native = (PTR) lraw_src; |
1035 | } | |
1036 | } | |
1037 | ||
1038 | ecoff_data (abfd)->canonical_symbols = internal; | |
1039 | ||
b34976b6 | 1040 | return TRUE; |
252b5132 RH |
1041 | } |
1042 | ||
1043 | /* Return the amount of space needed for the canonical symbols. */ | |
1044 | ||
1045 | long | |
1046 | _bfd_ecoff_get_symtab_upper_bound (abfd) | |
1047 | bfd *abfd; | |
1048 | { | |
1049 | if (! _bfd_ecoff_slurp_symbolic_info (abfd, (asection *) NULL, | |
1050 | &ecoff_data (abfd)->debug_info)) | |
1051 | return -1; | |
1052 | ||
1053 | if (bfd_get_symcount (abfd) == 0) | |
1054 | return 0; | |
1055 | ||
1056 | return (bfd_get_symcount (abfd) + 1) * (sizeof (ecoff_symbol_type *)); | |
1057 | } | |
1058 | ||
1059 | /* Get the canonical symbols. */ | |
1060 | ||
1061 | long | |
6cee3f79 | 1062 | _bfd_ecoff_canonicalize_symtab (abfd, alocation) |
252b5132 RH |
1063 | bfd *abfd; |
1064 | asymbol **alocation; | |
1065 | { | |
1066 | unsigned int counter = 0; | |
1067 | ecoff_symbol_type *symbase; | |
1068 | ecoff_symbol_type **location = (ecoff_symbol_type **) alocation; | |
1069 | ||
82e51918 | 1070 | if (! _bfd_ecoff_slurp_symbol_table (abfd)) |
252b5132 RH |
1071 | return -1; |
1072 | if (bfd_get_symcount (abfd) == 0) | |
1073 | return 0; | |
1074 | ||
1075 | symbase = ecoff_data (abfd)->canonical_symbols; | |
1076 | while (counter < bfd_get_symcount (abfd)) | |
1077 | { | |
1078 | *(location++) = symbase++; | |
1079 | counter++; | |
1080 | } | |
1081 | *location++ = (ecoff_symbol_type *) NULL; | |
1082 | return bfd_get_symcount (abfd); | |
1083 | } | |
1084 | ||
1085 | /* Turn ECOFF type information into a printable string. | |
1086 | ecoff_emit_aggregate and ecoff_type_to_string are from | |
1087 | gcc/mips-tdump.c, with swapping added and used_ptr removed. */ | |
1088 | ||
1089 | /* Write aggregate information to a string. */ | |
1090 | ||
1091 | static void | |
1092 | ecoff_emit_aggregate (abfd, fdr, string, rndx, isym, which) | |
1093 | bfd *abfd; | |
1094 | FDR *fdr; | |
1095 | char *string; | |
1096 | RNDXR *rndx; | |
1097 | long isym; | |
1098 | const char *which; | |
1099 | { | |
1100 | const struct ecoff_debug_swap * const debug_swap = | |
1101 | &ecoff_backend (abfd)->debug_swap; | |
1102 | struct ecoff_debug_info * const debug_info = &ecoff_data (abfd)->debug_info; | |
1103 | unsigned int ifd = rndx->rfd; | |
1104 | unsigned int indx = rndx->index; | |
1105 | const char *name; | |
1abaf976 | 1106 | |
252b5132 RH |
1107 | if (ifd == 0xfff) |
1108 | ifd = isym; | |
1109 | ||
1110 | /* An ifd of -1 is an opaque type. An escaped index of 0 is a | |
1111 | struct return type of a procedure compiled without -g. */ | |
1112 | if (ifd == 0xffffffff | |
1113 | || (rndx->rfd == 0xfff && indx == 0)) | |
1114 | name = "<undefined>"; | |
1115 | else if (indx == indexNil) | |
1116 | name = "<no name>"; | |
1117 | else | |
1118 | { | |
1119 | SYMR sym; | |
1120 | ||
1121 | if (debug_info->external_rfd == NULL) | |
1122 | fdr = debug_info->fdr + ifd; | |
1123 | else | |
1124 | { | |
1125 | RFDT rfd; | |
1126 | ||
1127 | (*debug_swap->swap_rfd_in) (abfd, | |
1128 | ((char *) debug_info->external_rfd | |
1129 | + ((fdr->rfdBase + ifd) | |
1130 | * debug_swap->external_rfd_size)), | |
1131 | &rfd); | |
1132 | fdr = debug_info->fdr + rfd; | |
1133 | } | |
1134 | ||
1135 | indx += fdr->isymBase; | |
1136 | ||
1137 | (*debug_swap->swap_sym_in) (abfd, | |
1138 | ((char *) debug_info->external_sym | |
1139 | + indx * debug_swap->external_sym_size), | |
1140 | &sym); | |
1141 | ||
1142 | name = debug_info->ss + fdr->issBase + sym.iss; | |
1143 | } | |
1144 | ||
1145 | sprintf (string, | |
1146 | "%s %s { ifd = %u, index = %lu }", | |
1147 | which, name, ifd, | |
1148 | ((long) indx | |
1149 | + debug_info->symbolic_header.iextMax)); | |
1150 | } | |
1151 | ||
1152 | /* Convert the type information to string format. */ | |
1153 | ||
1154 | static char * | |
1155 | ecoff_type_to_string (abfd, fdr, indx) | |
1156 | bfd *abfd; | |
1157 | FDR *fdr; | |
1158 | unsigned int indx; | |
1159 | { | |
1160 | union aux_ext *aux_ptr; | |
1161 | int bigendian; | |
1162 | AUXU u; | |
1163 | struct qual { | |
1164 | unsigned int type; | |
1165 | int low_bound; | |
1166 | int high_bound; | |
1167 | int stride; | |
1168 | } qualifiers[7]; | |
1169 | unsigned int basic_type; | |
1170 | int i; | |
1171 | char buffer1[1024]; | |
1172 | static char buffer2[1024]; | |
1173 | char *p1 = buffer1; | |
1174 | char *p2 = buffer2; | |
1175 | RNDXR rndx; | |
1176 | ||
1177 | aux_ptr = ecoff_data (abfd)->debug_info.external_aux + fdr->iauxBase; | |
1178 | bigendian = fdr->fBigendian; | |
1179 | ||
1180 | for (i = 0; i < 7; i++) | |
1181 | { | |
1182 | qualifiers[i].low_bound = 0; | |
1183 | qualifiers[i].high_bound = 0; | |
1184 | qualifiers[i].stride = 0; | |
1185 | } | |
1186 | ||
1187 | if (AUX_GET_ISYM (bigendian, &aux_ptr[indx]) == (bfd_vma) -1) | |
1188 | return "-1 (no type)"; | |
1189 | _bfd_ecoff_swap_tir_in (bigendian, &aux_ptr[indx++].a_ti, &u.ti); | |
1190 | ||
1191 | basic_type = u.ti.bt; | |
1192 | qualifiers[0].type = u.ti.tq0; | |
1193 | qualifiers[1].type = u.ti.tq1; | |
1194 | qualifiers[2].type = u.ti.tq2; | |
1195 | qualifiers[3].type = u.ti.tq3; | |
1196 | qualifiers[4].type = u.ti.tq4; | |
1197 | qualifiers[5].type = u.ti.tq5; | |
1198 | qualifiers[6].type = tqNil; | |
1199 | ||
b0ac09d2 | 1200 | /* Go get the basic type. */ |
252b5132 RH |
1201 | switch (basic_type) |
1202 | { | |
b0ac09d2 | 1203 | case btNil: /* Undefined. */ |
252b5132 RH |
1204 | strcpy (p1, "nil"); |
1205 | break; | |
1206 | ||
b0ac09d2 | 1207 | case btAdr: /* Address - integer same size as pointer. */ |
252b5132 RH |
1208 | strcpy (p1, "address"); |
1209 | break; | |
1210 | ||
b0ac09d2 | 1211 | case btChar: /* Character. */ |
252b5132 RH |
1212 | strcpy (p1, "char"); |
1213 | break; | |
1214 | ||
b0ac09d2 | 1215 | case btUChar: /* Unsigned character. */ |
252b5132 RH |
1216 | strcpy (p1, "unsigned char"); |
1217 | break; | |
1218 | ||
b0ac09d2 | 1219 | case btShort: /* Short. */ |
252b5132 RH |
1220 | strcpy (p1, "short"); |
1221 | break; | |
1222 | ||
b0ac09d2 | 1223 | case btUShort: /* Unsigned short. */ |
252b5132 RH |
1224 | strcpy (p1, "unsigned short"); |
1225 | break; | |
1226 | ||
b0ac09d2 | 1227 | case btInt: /* Int. */ |
252b5132 RH |
1228 | strcpy (p1, "int"); |
1229 | break; | |
1230 | ||
b0ac09d2 | 1231 | case btUInt: /* Unsigned int. */ |
252b5132 RH |
1232 | strcpy (p1, "unsigned int"); |
1233 | break; | |
1234 | ||
b0ac09d2 | 1235 | case btLong: /* Long. */ |
252b5132 RH |
1236 | strcpy (p1, "long"); |
1237 | break; | |
1238 | ||
b0ac09d2 | 1239 | case btULong: /* Unsigned long. */ |
252b5132 RH |
1240 | strcpy (p1, "unsigned long"); |
1241 | break; | |
1242 | ||
b0ac09d2 | 1243 | case btFloat: /* Float (real). */ |
252b5132 RH |
1244 | strcpy (p1, "float"); |
1245 | break; | |
1246 | ||
b0ac09d2 | 1247 | case btDouble: /* Double (real). */ |
252b5132 RH |
1248 | strcpy (p1, "double"); |
1249 | break; | |
1250 | ||
1251 | /* Structures add 1-2 aux words: | |
1252 | 1st word is [ST_RFDESCAPE, offset] pointer to struct def; | |
1253 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1254 | ||
b0ac09d2 | 1255 | case btStruct: /* Structure (Record). */ |
252b5132 RH |
1256 | _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); |
1257 | ecoff_emit_aggregate (abfd, fdr, p1, &rndx, | |
1258 | (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1259 | "struct"); | |
b0ac09d2 | 1260 | indx++; /* Skip aux words. */ |
252b5132 RH |
1261 | break; |
1262 | ||
1263 | /* Unions add 1-2 aux words: | |
1264 | 1st word is [ST_RFDESCAPE, offset] pointer to union def; | |
1265 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1266 | ||
b0ac09d2 | 1267 | case btUnion: /* Union. */ |
252b5132 RH |
1268 | _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); |
1269 | ecoff_emit_aggregate (abfd, fdr, p1, &rndx, | |
1270 | (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1271 | "union"); | |
b0ac09d2 | 1272 | indx++; /* Skip aux words. */ |
252b5132 RH |
1273 | break; |
1274 | ||
1275 | /* Enumerations add 1-2 aux words: | |
1276 | 1st word is [ST_RFDESCAPE, offset] pointer to enum def; | |
1277 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1278 | ||
b0ac09d2 | 1279 | case btEnum: /* Enumeration. */ |
252b5132 RH |
1280 | _bfd_ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); |
1281 | ecoff_emit_aggregate (abfd, fdr, p1, &rndx, | |
1282 | (long) AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1283 | "enum"); | |
b0ac09d2 | 1284 | indx++; /* Skip aux words. */ |
252b5132 RH |
1285 | break; |
1286 | ||
b0ac09d2 | 1287 | case btTypedef: /* Defined via a typedef, isymRef points. */ |
252b5132 RH |
1288 | strcpy (p1, "typedef"); |
1289 | break; | |
1290 | ||
b0ac09d2 | 1291 | case btRange: /* Subrange of int. */ |
252b5132 RH |
1292 | strcpy (p1, "subrange"); |
1293 | break; | |
1294 | ||
b0ac09d2 | 1295 | case btSet: /* Pascal sets. */ |
252b5132 RH |
1296 | strcpy (p1, "set"); |
1297 | break; | |
1298 | ||
b0ac09d2 | 1299 | case btComplex: /* Fortran complex. */ |
252b5132 RH |
1300 | strcpy (p1, "complex"); |
1301 | break; | |
1302 | ||
b0ac09d2 | 1303 | case btDComplex: /* Fortran double complex. */ |
252b5132 RH |
1304 | strcpy (p1, "double complex"); |
1305 | break; | |
1306 | ||
b0ac09d2 | 1307 | case btIndirect: /* Forward or unnamed typedef. */ |
252b5132 RH |
1308 | strcpy (p1, "forward/unamed typedef"); |
1309 | break; | |
1310 | ||
b0ac09d2 | 1311 | case btFixedDec: /* Fixed Decimal. */ |
252b5132 RH |
1312 | strcpy (p1, "fixed decimal"); |
1313 | break; | |
1314 | ||
b0ac09d2 | 1315 | case btFloatDec: /* Float Decimal. */ |
252b5132 RH |
1316 | strcpy (p1, "float decimal"); |
1317 | break; | |
1318 | ||
b0ac09d2 | 1319 | case btString: /* Varying Length Character String. */ |
252b5132 RH |
1320 | strcpy (p1, "string"); |
1321 | break; | |
1322 | ||
b0ac09d2 | 1323 | case btBit: /* Aligned Bit String. */ |
252b5132 RH |
1324 | strcpy (p1, "bit"); |
1325 | break; | |
1326 | ||
b0ac09d2 | 1327 | case btPicture: /* Picture. */ |
252b5132 RH |
1328 | strcpy (p1, "picture"); |
1329 | break; | |
1330 | ||
b0ac09d2 | 1331 | case btVoid: /* Void. */ |
252b5132 RH |
1332 | strcpy (p1, "void"); |
1333 | break; | |
1334 | ||
1335 | default: | |
1336 | sprintf (p1, _("Unknown basic type %d"), (int) basic_type); | |
1337 | break; | |
1338 | } | |
1339 | ||
1340 | p1 += strlen (buffer1); | |
1341 | ||
b0ac09d2 | 1342 | /* If this is a bitfield, get the bitsize. */ |
252b5132 RH |
1343 | if (u.ti.fBitfield) |
1344 | { | |
1345 | int bitsize; | |
1346 | ||
1347 | bitsize = AUX_GET_WIDTH (bigendian, &aux_ptr[indx++]); | |
1348 | sprintf (p1, " : %d", bitsize); | |
1349 | p1 += strlen (buffer1); | |
1350 | } | |
1351 | ||
b0ac09d2 | 1352 | /* Deal with any qualifiers. */ |
252b5132 RH |
1353 | if (qualifiers[0].type != tqNil) |
1354 | { | |
b0ac09d2 NC |
1355 | /* Snarf up any array bounds in the correct order. Arrays |
1356 | store 5 successive words in the aux. table: | |
1357 | word 0 RNDXR to type of the bounds (ie, int) | |
1358 | word 1 Current file descriptor index | |
1359 | word 2 low bound | |
1360 | word 3 high bound (or -1 if []) | |
1361 | word 4 stride size in bits. */ | |
252b5132 RH |
1362 | for (i = 0; i < 7; i++) |
1363 | { | |
1364 | if (qualifiers[i].type == tqArray) | |
1365 | { | |
1366 | qualifiers[i].low_bound = | |
1367 | AUX_GET_DNLOW (bigendian, &aux_ptr[indx+2]); | |
1368 | qualifiers[i].high_bound = | |
1369 | AUX_GET_DNHIGH (bigendian, &aux_ptr[indx+3]); | |
1370 | qualifiers[i].stride = | |
1371 | AUX_GET_WIDTH (bigendian, &aux_ptr[indx+4]); | |
1372 | indx += 5; | |
1373 | } | |
1374 | } | |
1375 | ||
b0ac09d2 | 1376 | /* Now print out the qualifiers. */ |
252b5132 RH |
1377 | for (i = 0; i < 6; i++) |
1378 | { | |
1379 | switch (qualifiers[i].type) | |
1380 | { | |
1381 | case tqNil: | |
1382 | case tqMax: | |
1383 | break; | |
1384 | ||
1385 | case tqPtr: | |
1386 | strcpy (p2, "ptr to "); | |
1387 | p2 += sizeof ("ptr to ")-1; | |
1388 | break; | |
1389 | ||
1390 | case tqVol: | |
1391 | strcpy (p2, "volatile "); | |
1392 | p2 += sizeof ("volatile ")-1; | |
1393 | break; | |
1394 | ||
1395 | case tqFar: | |
1396 | strcpy (p2, "far "); | |
1397 | p2 += sizeof ("far ")-1; | |
1398 | break; | |
1399 | ||
1400 | case tqProc: | |
1401 | strcpy (p2, "func. ret. "); | |
1402 | p2 += sizeof ("func. ret. "); | |
1403 | break; | |
1404 | ||
1405 | case tqArray: | |
1406 | { | |
1407 | int first_array = i; | |
1408 | int j; | |
1409 | ||
1410 | /* Print array bounds reversed (ie, in the order the C | |
1abaf976 | 1411 | programmer writes them). C is such a fun language.... */ |
252b5132 RH |
1412 | while (i < 5 && qualifiers[i+1].type == tqArray) |
1413 | i++; | |
1414 | ||
1415 | for (j = i; j >= first_array; j--) | |
1416 | { | |
1417 | strcpy (p2, "array ["); | |
1418 | p2 += sizeof ("array [")-1; | |
1419 | if (qualifiers[j].low_bound != 0) | |
1420 | sprintf (p2, | |
1421 | "%ld:%ld {%ld bits}", | |
1422 | (long) qualifiers[j].low_bound, | |
1423 | (long) qualifiers[j].high_bound, | |
1424 | (long) qualifiers[j].stride); | |
1425 | ||
1426 | else if (qualifiers[j].high_bound != -1) | |
1427 | sprintf (p2, | |
1428 | "%ld {%ld bits}", | |
1429 | (long) (qualifiers[j].high_bound + 1), | |
1430 | (long) (qualifiers[j].stride)); | |
1431 | ||
1432 | else | |
1433 | sprintf (p2, " {%ld bits}", (long) (qualifiers[j].stride)); | |
1434 | ||
1435 | p2 += strlen (p2); | |
1436 | strcpy (p2, "] of "); | |
1437 | p2 += sizeof ("] of ")-1; | |
1438 | } | |
1439 | } | |
1440 | break; | |
1441 | } | |
1442 | } | |
1443 | } | |
1444 | ||
1445 | strcpy (p2, buffer1); | |
1446 | return buffer2; | |
1447 | } | |
1448 | ||
1449 | /* Return information about ECOFF symbol SYMBOL in RET. */ | |
1450 | ||
252b5132 RH |
1451 | void |
1452 | _bfd_ecoff_get_symbol_info (abfd, symbol, ret) | |
5f771d47 | 1453 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1454 | asymbol *symbol; |
1455 | symbol_info *ret; | |
1456 | { | |
1457 | bfd_symbol_info (symbol, ret); | |
1458 | } | |
1459 | ||
1460 | /* Return whether this is a local label. */ | |
1461 | ||
b34976b6 | 1462 | bfd_boolean |
252b5132 | 1463 | _bfd_ecoff_bfd_is_local_label_name (abfd, name) |
5f771d47 | 1464 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1465 | const char *name; |
1466 | { | |
1467 | return name[0] == '$'; | |
1468 | } | |
1469 | ||
1470 | /* Print information about an ECOFF symbol. */ | |
1471 | ||
1472 | void | |
1473 | _bfd_ecoff_print_symbol (abfd, filep, symbol, how) | |
1474 | bfd *abfd; | |
1475 | PTR filep; | |
1476 | asymbol *symbol; | |
1477 | bfd_print_symbol_type how; | |
1478 | { | |
1479 | const struct ecoff_debug_swap * const debug_swap | |
1480 | = &ecoff_backend (abfd)->debug_swap; | |
1481 | FILE *file = (FILE *)filep; | |
1482 | ||
1483 | switch (how) | |
1484 | { | |
1485 | case bfd_print_symbol_name: | |
1486 | fprintf (file, "%s", symbol->name); | |
1487 | break; | |
1488 | case bfd_print_symbol_more: | |
1489 | if (ecoffsymbol (symbol)->local) | |
1490 | { | |
1491 | SYMR ecoff_sym; | |
1abaf976 | 1492 | |
252b5132 RH |
1493 | (*debug_swap->swap_sym_in) (abfd, ecoffsymbol (symbol)->native, |
1494 | &ecoff_sym); | |
1495 | fprintf (file, "ecoff local "); | |
1496 | fprintf_vma (file, (bfd_vma) ecoff_sym.value); | |
1497 | fprintf (file, " %x %x", (unsigned) ecoff_sym.st, | |
1498 | (unsigned) ecoff_sym.sc); | |
1499 | } | |
1500 | else | |
1501 | { | |
1502 | EXTR ecoff_ext; | |
1503 | ||
1504 | (*debug_swap->swap_ext_in) (abfd, ecoffsymbol (symbol)->native, | |
1505 | &ecoff_ext); | |
1506 | fprintf (file, "ecoff extern "); | |
1507 | fprintf_vma (file, (bfd_vma) ecoff_ext.asym.value); | |
1508 | fprintf (file, " %x %x", (unsigned) ecoff_ext.asym.st, | |
1509 | (unsigned) ecoff_ext.asym.sc); | |
1510 | } | |
1511 | break; | |
1512 | case bfd_print_symbol_all: | |
b0ac09d2 | 1513 | /* Print out the symbols in a reasonable way. */ |
252b5132 RH |
1514 | { |
1515 | char type; | |
1516 | int pos; | |
1517 | EXTR ecoff_ext; | |
1518 | char jmptbl; | |
1519 | char cobol_main; | |
1520 | char weakext; | |
1521 | ||
1522 | if (ecoffsymbol (symbol)->local) | |
1523 | { | |
1524 | (*debug_swap->swap_sym_in) (abfd, ecoffsymbol (symbol)->native, | |
1525 | &ecoff_ext.asym); | |
1526 | type = 'l'; | |
1527 | pos = ((((char *) ecoffsymbol (symbol)->native | |
1528 | - (char *) ecoff_data (abfd)->debug_info.external_sym) | |
1529 | / debug_swap->external_sym_size) | |
1530 | + ecoff_data (abfd)->debug_info.symbolic_header.iextMax); | |
1531 | jmptbl = ' '; | |
1532 | cobol_main = ' '; | |
1533 | weakext = ' '; | |
1534 | } | |
1535 | else | |
1536 | { | |
1537 | (*debug_swap->swap_ext_in) (abfd, ecoffsymbol (symbol)->native, | |
1538 | &ecoff_ext); | |
1539 | type = 'e'; | |
1540 | pos = (((char *) ecoffsymbol (symbol)->native | |
1541 | - (char *) ecoff_data (abfd)->debug_info.external_ext) | |
1542 | / debug_swap->external_ext_size); | |
1543 | jmptbl = ecoff_ext.jmptbl ? 'j' : ' '; | |
1544 | cobol_main = ecoff_ext.cobol_main ? 'c' : ' '; | |
1545 | weakext = ecoff_ext.weakext ? 'w' : ' '; | |
1546 | } | |
1547 | ||
1548 | fprintf (file, "[%3d] %c ", | |
1549 | pos, type); | |
1550 | fprintf_vma (file, (bfd_vma) ecoff_ext.asym.value); | |
1551 | fprintf (file, " st %x sc %x indx %x %c%c%c %s", | |
1552 | (unsigned) ecoff_ext.asym.st, | |
1553 | (unsigned) ecoff_ext.asym.sc, | |
1554 | (unsigned) ecoff_ext.asym.index, | |
1555 | jmptbl, cobol_main, weakext, | |
1556 | symbol->name); | |
1557 | ||
1558 | if (ecoffsymbol (symbol)->fdr != NULL | |
1559 | && ecoff_ext.asym.index != indexNil) | |
1560 | { | |
1561 | FDR *fdr; | |
1562 | unsigned int indx; | |
1563 | int bigendian; | |
1564 | bfd_size_type sym_base; | |
1565 | union aux_ext *aux_base; | |
1566 | ||
1567 | fdr = ecoffsymbol (symbol)->fdr; | |
1568 | indx = ecoff_ext.asym.index; | |
1569 | ||
1570 | /* sym_base is used to map the fdr relative indices which | |
1571 | appear in the file to the position number which we are | |
1572 | using. */ | |
1573 | sym_base = fdr->isymBase; | |
1574 | if (ecoffsymbol (symbol)->local) | |
1575 | sym_base += | |
1576 | ecoff_data (abfd)->debug_info.symbolic_header.iextMax; | |
1577 | ||
1578 | /* aux_base is the start of the aux entries for this file; | |
1579 | asym.index is an offset from this. */ | |
1580 | aux_base = (ecoff_data (abfd)->debug_info.external_aux | |
1581 | + fdr->iauxBase); | |
1582 | ||
1583 | /* The aux entries are stored in host byte order; the | |
1584 | order is indicated by a bit in the fdr. */ | |
1585 | bigendian = fdr->fBigendian; | |
1586 | ||
b0ac09d2 | 1587 | /* This switch is basically from gcc/mips-tdump.c. */ |
252b5132 RH |
1588 | switch (ecoff_ext.asym.st) |
1589 | { | |
1590 | case stNil: | |
1591 | case stLabel: | |
1592 | break; | |
1593 | ||
1594 | case stFile: | |
1595 | case stBlock: | |
1596 | fprintf (file, _("\n End+1 symbol: %ld"), | |
1597 | (long) (indx + sym_base)); | |
1598 | break; | |
1599 | ||
1600 | case stEnd: | |
1601 | if (ecoff_ext.asym.sc == scText | |
1602 | || ecoff_ext.asym.sc == scInfo) | |
1603 | fprintf (file, _("\n First symbol: %ld"), | |
1604 | (long) (indx + sym_base)); | |
1605 | else | |
1abaf976 | 1606 | fprintf (file, _("\n First symbol: %ld"), |
252b5132 RH |
1607 | ((long) |
1608 | (AUX_GET_ISYM (bigendian, | |
1609 | &aux_base[ecoff_ext.asym.index]) | |
1610 | + sym_base))); | |
1611 | break; | |
1612 | ||
1613 | case stProc: | |
1614 | case stStaticProc: | |
1615 | if (ECOFF_IS_STAB (&ecoff_ext.asym)) | |
1616 | ; | |
1617 | else if (ecoffsymbol (symbol)->local) | |
1618 | fprintf (file, _("\n End+1 symbol: %-7ld Type: %s"), | |
1619 | ((long) | |
1620 | (AUX_GET_ISYM (bigendian, | |
1621 | &aux_base[ecoff_ext.asym.index]) | |
1622 | + sym_base)), | |
1623 | ecoff_type_to_string (abfd, fdr, indx + 1)); | |
1624 | else | |
1625 | fprintf (file, _("\n Local symbol: %ld"), | |
1626 | ((long) indx | |
1627 | + (long) sym_base | |
1628 | + (ecoff_data (abfd) | |
1629 | ->debug_info.symbolic_header.iextMax))); | |
1630 | break; | |
1631 | ||
1632 | case stStruct: | |
1633 | fprintf (file, _("\n struct; End+1 symbol: %ld"), | |
1634 | (long) (indx + sym_base)); | |
1635 | break; | |
1636 | ||
1637 | case stUnion: | |
1638 | fprintf (file, _("\n union; End+1 symbol: %ld"), | |
1639 | (long) (indx + sym_base)); | |
1640 | break; | |
1641 | ||
1642 | case stEnum: | |
1643 | fprintf (file, _("\n enum; End+1 symbol: %ld"), | |
1644 | (long) (indx + sym_base)); | |
1645 | break; | |
1646 | ||
1647 | default: | |
1648 | if (! ECOFF_IS_STAB (&ecoff_ext.asym)) | |
1649 | fprintf (file, _("\n Type: %s"), | |
1650 | ecoff_type_to_string (abfd, fdr, indx)); | |
1651 | break; | |
1652 | } | |
1653 | } | |
1654 | } | |
1655 | break; | |
1656 | } | |
1657 | } | |
1658 | \f | |
1659 | /* Read in the relocs for a section. */ | |
1660 | ||
b34976b6 | 1661 | static bfd_boolean |
252b5132 RH |
1662 | ecoff_slurp_reloc_table (abfd, section, symbols) |
1663 | bfd *abfd; | |
1664 | asection *section; | |
1665 | asymbol **symbols; | |
1666 | { | |
1667 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
1668 | arelent *internal_relocs; | |
1669 | bfd_size_type external_reloc_size; | |
dc810e39 | 1670 | bfd_size_type amt; |
252b5132 RH |
1671 | char *external_relocs; |
1672 | arelent *rptr; | |
1673 | unsigned int i; | |
1674 | ||
1675 | if (section->relocation != (arelent *) NULL | |
1676 | || section->reloc_count == 0 | |
1677 | || (section->flags & SEC_CONSTRUCTOR) != 0) | |
b34976b6 | 1678 | return TRUE; |
252b5132 | 1679 | |
82e51918 | 1680 | if (! _bfd_ecoff_slurp_symbol_table (abfd)) |
b34976b6 | 1681 | return FALSE; |
1abaf976 | 1682 | |
dc810e39 AM |
1683 | amt = section->reloc_count; |
1684 | amt *= sizeof (arelent); | |
1685 | internal_relocs = (arelent *) bfd_alloc (abfd, amt); | |
1686 | ||
252b5132 | 1687 | external_reloc_size = backend->external_reloc_size; |
dc810e39 AM |
1688 | amt = external_reloc_size * section->reloc_count; |
1689 | external_relocs = (char *) bfd_alloc (abfd, amt); | |
252b5132 RH |
1690 | if (internal_relocs == (arelent *) NULL |
1691 | || external_relocs == (char *) NULL) | |
b34976b6 | 1692 | return FALSE; |
252b5132 | 1693 | if (bfd_seek (abfd, section->rel_filepos, SEEK_SET) != 0) |
b34976b6 | 1694 | return FALSE; |
dc810e39 | 1695 | if (bfd_bread (external_relocs, amt, abfd) != amt) |
b34976b6 | 1696 | return FALSE; |
252b5132 RH |
1697 | |
1698 | for (i = 0, rptr = internal_relocs; i < section->reloc_count; i++, rptr++) | |
1699 | { | |
1700 | struct internal_reloc intern; | |
1701 | ||
1702 | (*backend->swap_reloc_in) (abfd, | |
1703 | external_relocs + i * external_reloc_size, | |
1704 | &intern); | |
1705 | ||
1706 | if (intern.r_extern) | |
1707 | { | |
1708 | /* r_symndx is an index into the external symbols. */ | |
1709 | BFD_ASSERT (intern.r_symndx >= 0 | |
1710 | && (intern.r_symndx | |
1711 | < (ecoff_data (abfd) | |
1712 | ->debug_info.symbolic_header.iextMax))); | |
1713 | rptr->sym_ptr_ptr = symbols + intern.r_symndx; | |
1714 | rptr->addend = 0; | |
1715 | } | |
1716 | else if (intern.r_symndx == RELOC_SECTION_NONE | |
1717 | || intern.r_symndx == RELOC_SECTION_ABS) | |
1718 | { | |
1719 | rptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1720 | rptr->addend = 0; | |
1721 | } | |
1722 | else | |
1723 | { | |
dc810e39 | 1724 | const char *sec_name; |
252b5132 RH |
1725 | asection *sec; |
1726 | ||
1727 | /* r_symndx is a section key. */ | |
1728 | switch (intern.r_symndx) | |
1729 | { | |
1730 | case RELOC_SECTION_TEXT: sec_name = ".text"; break; | |
1731 | case RELOC_SECTION_RDATA: sec_name = ".rdata"; break; | |
1732 | case RELOC_SECTION_DATA: sec_name = ".data"; break; | |
1733 | case RELOC_SECTION_SDATA: sec_name = ".sdata"; break; | |
1734 | case RELOC_SECTION_SBSS: sec_name = ".sbss"; break; | |
1735 | case RELOC_SECTION_BSS: sec_name = ".bss"; break; | |
1736 | case RELOC_SECTION_INIT: sec_name = ".init"; break; | |
1737 | case RELOC_SECTION_LIT8: sec_name = ".lit8"; break; | |
1738 | case RELOC_SECTION_LIT4: sec_name = ".lit4"; break; | |
1739 | case RELOC_SECTION_XDATA: sec_name = ".xdata"; break; | |
1740 | case RELOC_SECTION_PDATA: sec_name = ".pdata"; break; | |
1741 | case RELOC_SECTION_FINI: sec_name = ".fini"; break; | |
1742 | case RELOC_SECTION_LITA: sec_name = ".lita"; break; | |
1743 | case RELOC_SECTION_RCONST: sec_name = ".rconst"; break; | |
1744 | default: abort (); | |
1745 | } | |
1746 | ||
1747 | sec = bfd_get_section_by_name (abfd, sec_name); | |
1748 | if (sec == (asection *) NULL) | |
1749 | abort (); | |
1750 | rptr->sym_ptr_ptr = sec->symbol_ptr_ptr; | |
1751 | ||
1752 | rptr->addend = - bfd_get_section_vma (abfd, sec); | |
1753 | } | |
1754 | ||
1755 | rptr->address = intern.r_vaddr - bfd_get_section_vma (abfd, section); | |
1756 | ||
1757 | /* Let the backend select the howto field and do any other | |
1758 | required processing. */ | |
1759 | (*backend->adjust_reloc_in) (abfd, &intern, rptr); | |
1760 | } | |
1761 | ||
1762 | bfd_release (abfd, external_relocs); | |
1763 | ||
1764 | section->relocation = internal_relocs; | |
1765 | ||
b34976b6 | 1766 | return TRUE; |
252b5132 RH |
1767 | } |
1768 | ||
1769 | /* Get a canonical list of relocs. */ | |
1770 | ||
1771 | long | |
1772 | _bfd_ecoff_canonicalize_reloc (abfd, section, relptr, symbols) | |
1773 | bfd *abfd; | |
1774 | asection *section; | |
1775 | arelent **relptr; | |
1776 | asymbol **symbols; | |
1777 | { | |
1778 | unsigned int count; | |
1779 | ||
1abaf976 | 1780 | if (section->flags & SEC_CONSTRUCTOR) |
252b5132 RH |
1781 | { |
1782 | arelent_chain *chain; | |
1783 | ||
1784 | /* This section has relocs made up by us, not the file, so take | |
1785 | them out of their chain and place them into the data area | |
1786 | provided. */ | |
1787 | for (count = 0, chain = section->constructor_chain; | |
1788 | count < section->reloc_count; | |
1789 | count++, chain = chain->next) | |
1790 | *relptr++ = &chain->relent; | |
1791 | } | |
1792 | else | |
1abaf976 | 1793 | { |
252b5132 RH |
1794 | arelent *tblptr; |
1795 | ||
82e51918 | 1796 | if (! ecoff_slurp_reloc_table (abfd, section, symbols)) |
252b5132 RH |
1797 | return -1; |
1798 | ||
1799 | tblptr = section->relocation; | |
1800 | ||
1801 | for (count = 0; count < section->reloc_count; count++) | |
1802 | *relptr++ = tblptr++; | |
1803 | } | |
1804 | ||
1805 | *relptr = (arelent *) NULL; | |
1806 | ||
1807 | return section->reloc_count; | |
1808 | } | |
1809 | \f | |
1810 | /* Provided a BFD, a section and an offset into the section, calculate | |
1811 | and return the name of the source file and the line nearest to the | |
1812 | wanted location. */ | |
1813 | ||
b34976b6 | 1814 | bfd_boolean |
252b5132 RH |
1815 | _bfd_ecoff_find_nearest_line (abfd, section, ignore_symbols, offset, |
1816 | filename_ptr, functionname_ptr, retline_ptr) | |
1817 | bfd *abfd; | |
1818 | asection *section; | |
5f771d47 | 1819 | asymbol **ignore_symbols ATTRIBUTE_UNUSED; |
252b5132 | 1820 | bfd_vma offset; |
dc810e39 AM |
1821 | const char **filename_ptr; |
1822 | const char **functionname_ptr; | |
252b5132 RH |
1823 | unsigned int *retline_ptr; |
1824 | { | |
1825 | const struct ecoff_debug_swap * const debug_swap | |
1826 | = &ecoff_backend (abfd)->debug_swap; | |
1827 | struct ecoff_debug_info * const debug_info = &ecoff_data (abfd)->debug_info; | |
1828 | struct ecoff_find_line *line_info; | |
1829 | ||
1830 | /* Make sure we have the FDR's. */ | |
1831 | if (! _bfd_ecoff_slurp_symbolic_info (abfd, (asection *) NULL, debug_info) | |
1832 | || bfd_get_symcount (abfd) == 0) | |
b34976b6 | 1833 | return FALSE; |
252b5132 RH |
1834 | |
1835 | if (ecoff_data (abfd)->find_line_info == NULL) | |
1836 | { | |
dc810e39 AM |
1837 | bfd_size_type amt = sizeof (struct ecoff_find_line); |
1838 | ecoff_data (abfd)->find_line_info | |
1839 | = (struct ecoff_find_line *) bfd_zalloc (abfd, amt); | |
252b5132 | 1840 | if (ecoff_data (abfd)->find_line_info == NULL) |
b34976b6 | 1841 | return FALSE; |
252b5132 RH |
1842 | } |
1843 | line_info = ecoff_data (abfd)->find_line_info; | |
1844 | ||
1845 | return _bfd_ecoff_locate_line (abfd, section, offset, debug_info, | |
1846 | debug_swap, line_info, filename_ptr, | |
1847 | functionname_ptr, retline_ptr); | |
1848 | } | |
1849 | \f | |
1850 | /* Copy private BFD data. This is called by objcopy and strip. We | |
1851 | use it to copy the ECOFF debugging information from one BFD to the | |
1852 | other. It would be theoretically possible to represent the ECOFF | |
1853 | debugging information in the symbol table. However, it would be a | |
1854 | lot of work, and there would be little gain (gas, gdb, and ld | |
1855 | already access the ECOFF debugging information via the | |
1856 | ecoff_debug_info structure, and that structure would have to be | |
1857 | retained in order to support ECOFF debugging in MIPS ELF). | |
1858 | ||
1859 | The debugging information for the ECOFF external symbols comes from | |
1860 | the symbol table, so this function only handles the other debugging | |
1861 | information. */ | |
1862 | ||
b34976b6 | 1863 | bfd_boolean |
252b5132 RH |
1864 | _bfd_ecoff_bfd_copy_private_bfd_data (ibfd, obfd) |
1865 | bfd *ibfd; | |
1866 | bfd *obfd; | |
1867 | { | |
1868 | struct ecoff_debug_info *iinfo = &ecoff_data (ibfd)->debug_info; | |
1869 | struct ecoff_debug_info *oinfo = &ecoff_data (obfd)->debug_info; | |
1870 | register int i; | |
1871 | asymbol **sym_ptr_ptr; | |
1872 | size_t c; | |
b34976b6 | 1873 | bfd_boolean local; |
252b5132 RH |
1874 | |
1875 | /* We only want to copy information over if both BFD's use ECOFF | |
1876 | format. */ | |
1877 | if (bfd_get_flavour (ibfd) != bfd_target_ecoff_flavour | |
1878 | || bfd_get_flavour (obfd) != bfd_target_ecoff_flavour) | |
b34976b6 | 1879 | return TRUE; |
252b5132 RH |
1880 | |
1881 | /* Copy the GP value and the register masks. */ | |
1882 | ecoff_data (obfd)->gp = ecoff_data (ibfd)->gp; | |
1883 | ecoff_data (obfd)->gprmask = ecoff_data (ibfd)->gprmask; | |
1884 | ecoff_data (obfd)->fprmask = ecoff_data (ibfd)->fprmask; | |
1885 | for (i = 0; i < 3; i++) | |
1886 | ecoff_data (obfd)->cprmask[i] = ecoff_data (ibfd)->cprmask[i]; | |
1887 | ||
1888 | /* Copy the version stamp. */ | |
1889 | oinfo->symbolic_header.vstamp = iinfo->symbolic_header.vstamp; | |
1890 | ||
1891 | /* If there are no symbols, don't copy any debugging information. */ | |
1892 | c = bfd_get_symcount (obfd); | |
1893 | sym_ptr_ptr = bfd_get_outsymbols (obfd); | |
1894 | if (c == 0 || sym_ptr_ptr == (asymbol **) NULL) | |
b34976b6 | 1895 | return TRUE; |
252b5132 RH |
1896 | |
1897 | /* See if there are any local symbols. */ | |
b34976b6 | 1898 | local = FALSE; |
252b5132 RH |
1899 | for (; c > 0; c--, sym_ptr_ptr++) |
1900 | { | |
1901 | if (ecoffsymbol (*sym_ptr_ptr)->local) | |
1902 | { | |
b34976b6 | 1903 | local = TRUE; |
252b5132 RH |
1904 | break; |
1905 | } | |
1906 | } | |
1907 | ||
1908 | if (local) | |
1909 | { | |
1910 | /* There are some local symbols. We just bring over all the | |
1911 | debugging information. FIXME: This is not quite the right | |
1912 | thing to do. If the user has asked us to discard all | |
1913 | debugging information, then we are probably going to wind up | |
1914 | keeping it because there will probably be some local symbol | |
1915 | which objcopy did not discard. We should actually break | |
1916 | apart the debugging information and only keep that which | |
1917 | applies to the symbols we want to keep. */ | |
1918 | oinfo->symbolic_header.ilineMax = iinfo->symbolic_header.ilineMax; | |
1919 | oinfo->symbolic_header.cbLine = iinfo->symbolic_header.cbLine; | |
1920 | oinfo->line = iinfo->line; | |
1921 | ||
1922 | oinfo->symbolic_header.idnMax = iinfo->symbolic_header.idnMax; | |
1923 | oinfo->external_dnr = iinfo->external_dnr; | |
1924 | ||
1925 | oinfo->symbolic_header.ipdMax = iinfo->symbolic_header.ipdMax; | |
1926 | oinfo->external_pdr = iinfo->external_pdr; | |
1927 | ||
1928 | oinfo->symbolic_header.isymMax = iinfo->symbolic_header.isymMax; | |
1929 | oinfo->external_sym = iinfo->external_sym; | |
1930 | ||
1931 | oinfo->symbolic_header.ioptMax = iinfo->symbolic_header.ioptMax; | |
1932 | oinfo->external_opt = iinfo->external_opt; | |
1933 | ||
1934 | oinfo->symbolic_header.iauxMax = iinfo->symbolic_header.iauxMax; | |
1935 | oinfo->external_aux = iinfo->external_aux; | |
1936 | ||
1937 | oinfo->symbolic_header.issMax = iinfo->symbolic_header.issMax; | |
1938 | oinfo->ss = iinfo->ss; | |
1939 | ||
1940 | oinfo->symbolic_header.ifdMax = iinfo->symbolic_header.ifdMax; | |
1941 | oinfo->external_fdr = iinfo->external_fdr; | |
1942 | ||
1943 | oinfo->symbolic_header.crfd = iinfo->symbolic_header.crfd; | |
1944 | oinfo->external_rfd = iinfo->external_rfd; | |
1945 | } | |
1946 | else | |
1947 | { | |
1948 | /* We are discarding all the local symbol information. Look | |
1949 | through the external symbols and remove all references to FDR | |
1950 | or aux information. */ | |
1951 | c = bfd_get_symcount (obfd); | |
1952 | sym_ptr_ptr = bfd_get_outsymbols (obfd); | |
1953 | for (; c > 0; c--, sym_ptr_ptr++) | |
1954 | { | |
1955 | EXTR esym; | |
1956 | ||
1957 | (*(ecoff_backend (obfd)->debug_swap.swap_ext_in)) | |
1958 | (obfd, ecoffsymbol (*sym_ptr_ptr)->native, &esym); | |
1959 | esym.ifd = ifdNil; | |
1960 | esym.asym.index = indexNil; | |
1961 | (*(ecoff_backend (obfd)->debug_swap.swap_ext_out)) | |
1962 | (obfd, &esym, ecoffsymbol (*sym_ptr_ptr)->native); | |
1963 | } | |
1964 | } | |
1965 | ||
b34976b6 | 1966 | return TRUE; |
252b5132 RH |
1967 | } |
1968 | \f | |
1969 | /* Set the architecture. The supported architecture is stored in the | |
1970 | backend pointer. We always set the architecture anyhow, since many | |
1971 | callers ignore the return value. */ | |
1972 | ||
b34976b6 | 1973 | bfd_boolean |
252b5132 RH |
1974 | _bfd_ecoff_set_arch_mach (abfd, arch, machine) |
1975 | bfd *abfd; | |
1976 | enum bfd_architecture arch; | |
1977 | unsigned long machine; | |
1978 | { | |
1979 | bfd_default_set_arch_mach (abfd, arch, machine); | |
1980 | return arch == ecoff_backend (abfd)->arch; | |
1981 | } | |
1982 | ||
1983 | /* Get the size of the section headers. */ | |
1984 | ||
252b5132 RH |
1985 | int |
1986 | _bfd_ecoff_sizeof_headers (abfd, reloc) | |
1987 | bfd *abfd; | |
b34976b6 | 1988 | bfd_boolean reloc ATTRIBUTE_UNUSED; |
252b5132 RH |
1989 | { |
1990 | asection *current; | |
1991 | int c; | |
1992 | int ret; | |
1993 | ||
1994 | c = 0; | |
1995 | for (current = abfd->sections; | |
1abaf976 KH |
1996 | current != (asection *)NULL; |
1997 | current = current->next) | |
252b5132 RH |
1998 | ++c; |
1999 | ||
2000 | ret = (bfd_coff_filhsz (abfd) | |
2001 | + bfd_coff_aoutsz (abfd) | |
2002 | + c * bfd_coff_scnhsz (abfd)); | |
2003 | return BFD_ALIGN (ret, 16); | |
2004 | } | |
2005 | ||
2006 | /* Get the contents of a section. */ | |
2007 | ||
b34976b6 | 2008 | bfd_boolean |
252b5132 RH |
2009 | _bfd_ecoff_get_section_contents (abfd, section, location, offset, count) |
2010 | bfd *abfd; | |
2011 | asection *section; | |
2012 | PTR location; | |
2013 | file_ptr offset; | |
2014 | bfd_size_type count; | |
2015 | { | |
2016 | return _bfd_generic_get_section_contents (abfd, section, location, | |
2017 | offset, count); | |
2018 | } | |
2019 | ||
2020 | /* Sort sections by VMA, but put SEC_ALLOC sections first. This is | |
2021 | called via qsort. */ | |
2022 | ||
2023 | static int | |
2024 | ecoff_sort_hdrs (arg1, arg2) | |
2025 | const PTR arg1; | |
2026 | const PTR arg2; | |
2027 | { | |
2028 | const asection *hdr1 = *(const asection **) arg1; | |
2029 | const asection *hdr2 = *(const asection **) arg2; | |
2030 | ||
2031 | if ((hdr1->flags & SEC_ALLOC) != 0) | |
2032 | { | |
2033 | if ((hdr2->flags & SEC_ALLOC) == 0) | |
2034 | return -1; | |
2035 | } | |
2036 | else | |
2037 | { | |
2038 | if ((hdr2->flags & SEC_ALLOC) != 0) | |
2039 | return 1; | |
2040 | } | |
2041 | if (hdr1->vma < hdr2->vma) | |
2042 | return -1; | |
2043 | else if (hdr1->vma > hdr2->vma) | |
2044 | return 1; | |
2045 | else | |
2046 | return 0; | |
2047 | } | |
2048 | ||
2049 | /* Calculate the file position for each section, and set | |
2050 | reloc_filepos. */ | |
2051 | ||
b34976b6 | 2052 | static bfd_boolean |
252b5132 RH |
2053 | ecoff_compute_section_file_positions (abfd) |
2054 | bfd *abfd; | |
2055 | { | |
2056 | file_ptr sofar, file_sofar; | |
2057 | asection **sorted_hdrs; | |
2058 | asection *current; | |
2059 | unsigned int i; | |
2060 | file_ptr old_sofar; | |
b34976b6 AM |
2061 | bfd_boolean rdata_in_text; |
2062 | bfd_boolean first_data, first_nonalloc; | |
252b5132 | 2063 | const bfd_vma round = ecoff_backend (abfd)->round; |
dc810e39 | 2064 | bfd_size_type amt; |
252b5132 | 2065 | |
b34976b6 | 2066 | sofar = _bfd_ecoff_sizeof_headers (abfd, FALSE); |
252b5132 RH |
2067 | file_sofar = sofar; |
2068 | ||
2069 | /* Sort the sections by VMA. */ | |
dc810e39 AM |
2070 | amt = abfd->section_count; |
2071 | amt *= sizeof (asection *); | |
2072 | sorted_hdrs = (asection **) bfd_malloc (amt); | |
252b5132 | 2073 | if (sorted_hdrs == NULL) |
b34976b6 | 2074 | return FALSE; |
252b5132 RH |
2075 | for (current = abfd->sections, i = 0; |
2076 | current != NULL; | |
2077 | current = current->next, i++) | |
2078 | sorted_hdrs[i] = current; | |
2079 | BFD_ASSERT (i == abfd->section_count); | |
2080 | ||
2081 | qsort (sorted_hdrs, abfd->section_count, sizeof (asection *), | |
2082 | ecoff_sort_hdrs); | |
2083 | ||
2084 | /* Some versions of the OSF linker put the .rdata section in the | |
2085 | text segment, and some do not. */ | |
2086 | rdata_in_text = ecoff_backend (abfd)->rdata_in_text; | |
2087 | if (rdata_in_text) | |
2088 | { | |
2089 | for (i = 0; i < abfd->section_count; i++) | |
2090 | { | |
2091 | current = sorted_hdrs[i]; | |
2092 | if (strcmp (current->name, _RDATA) == 0) | |
2093 | break; | |
2094 | if ((current->flags & SEC_CODE) == 0 | |
2095 | && strcmp (current->name, _PDATA) != 0 | |
2096 | && strcmp (current->name, _RCONST) != 0) | |
2097 | { | |
b34976b6 | 2098 | rdata_in_text = FALSE; |
252b5132 RH |
2099 | break; |
2100 | } | |
2101 | } | |
2102 | } | |
2103 | ecoff_data (abfd)->rdata_in_text = rdata_in_text; | |
2104 | ||
b34976b6 AM |
2105 | first_data = TRUE; |
2106 | first_nonalloc = TRUE; | |
252b5132 RH |
2107 | for (i = 0; i < abfd->section_count; i++) |
2108 | { | |
2109 | unsigned int alignment_power; | |
2110 | ||
2111 | current = sorted_hdrs[i]; | |
2112 | ||
2113 | /* For the Alpha ECOFF .pdata section the lnnoptr field is | |
2114 | supposed to indicate the number of .pdata entries that are | |
2115 | really in the section. Each entry is 8 bytes. We store this | |
2116 | away in line_filepos before increasing the section size. */ | |
2117 | if (strcmp (current->name, _PDATA) == 0) | |
eea6121a | 2118 | current->line_filepos = current->size / 8; |
252b5132 RH |
2119 | |
2120 | alignment_power = current->alignment_power; | |
2121 | ||
2122 | /* On Ultrix, the data sections in an executable file must be | |
2123 | aligned to a page boundary within the file. This does not | |
2124 | affect the section size, though. FIXME: Does this work for | |
2125 | other platforms? It requires some modification for the | |
2126 | Alpha, because .rdata on the Alpha goes with the text, not | |
2127 | the data. */ | |
2128 | if ((abfd->flags & EXEC_P) != 0 | |
2129 | && (abfd->flags & D_PAGED) != 0 | |
2130 | && ! first_data | |
2131 | && (current->flags & SEC_CODE) == 0 | |
2132 | && (! rdata_in_text | |
2133 | || strcmp (current->name, _RDATA) != 0) | |
2134 | && strcmp (current->name, _PDATA) != 0 | |
2135 | && strcmp (current->name, _RCONST) != 0) | |
2136 | { | |
2137 | sofar = (sofar + round - 1) &~ (round - 1); | |
2138 | file_sofar = (file_sofar + round - 1) &~ (round - 1); | |
b34976b6 | 2139 | first_data = FALSE; |
252b5132 RH |
2140 | } |
2141 | else if (strcmp (current->name, _LIB) == 0) | |
2142 | { | |
2143 | /* On Irix 4, the location of contents of the .lib section | |
2144 | from a shared library section is also rounded up to a | |
2145 | page boundary. */ | |
2146 | ||
2147 | sofar = (sofar + round - 1) &~ (round - 1); | |
2148 | file_sofar = (file_sofar + round - 1) &~ (round - 1); | |
2149 | } | |
2150 | else if (first_nonalloc | |
2151 | && (current->flags & SEC_ALLOC) == 0 | |
2152 | && (abfd->flags & D_PAGED) != 0) | |
2153 | { | |
2154 | /* Skip up to the next page for an unallocated section, such | |
2155 | as the .comment section on the Alpha. This leaves room | |
2156 | for the .bss section. */ | |
b34976b6 | 2157 | first_nonalloc = FALSE; |
252b5132 RH |
2158 | sofar = (sofar + round - 1) &~ (round - 1); |
2159 | file_sofar = (file_sofar + round - 1) &~ (round - 1); | |
2160 | } | |
2161 | ||
2162 | /* Align the sections in the file to the same boundary on | |
2163 | which they are aligned in virtual memory. */ | |
2164 | sofar = BFD_ALIGN (sofar, 1 << alignment_power); | |
2165 | if ((current->flags & SEC_HAS_CONTENTS) != 0) | |
2166 | file_sofar = BFD_ALIGN (file_sofar, 1 << alignment_power); | |
2167 | ||
2168 | if ((abfd->flags & D_PAGED) != 0 | |
2169 | && (current->flags & SEC_ALLOC) != 0) | |
2170 | { | |
2171 | sofar += (current->vma - sofar) % round; | |
2172 | if ((current->flags & SEC_HAS_CONTENTS) != 0) | |
2173 | file_sofar += (current->vma - file_sofar) % round; | |
2174 | } | |
2175 | ||
2176 | if ((current->flags & (SEC_HAS_CONTENTS | SEC_LOAD)) != 0) | |
2177 | current->filepos = file_sofar; | |
2178 | ||
eea6121a | 2179 | sofar += current->size; |
252b5132 | 2180 | if ((current->flags & SEC_HAS_CONTENTS) != 0) |
eea6121a | 2181 | file_sofar += current->size; |
252b5132 | 2182 | |
b0ac09d2 | 2183 | /* Make sure that this section is of the right size too. */ |
252b5132 RH |
2184 | old_sofar = sofar; |
2185 | sofar = BFD_ALIGN (sofar, 1 << alignment_power); | |
2186 | if ((current->flags & SEC_HAS_CONTENTS) != 0) | |
2187 | file_sofar = BFD_ALIGN (file_sofar, 1 << alignment_power); | |
eea6121a | 2188 | current->size += sofar - old_sofar; |
252b5132 RH |
2189 | } |
2190 | ||
2191 | free (sorted_hdrs); | |
2192 | sorted_hdrs = NULL; | |
2193 | ||
2194 | ecoff_data (abfd)->reloc_filepos = file_sofar; | |
2195 | ||
b34976b6 | 2196 | return TRUE; |
252b5132 RH |
2197 | } |
2198 | ||
2199 | /* Determine the location of the relocs for all the sections in the | |
2200 | output file, as well as the location of the symbolic debugging | |
2201 | information. */ | |
2202 | ||
2203 | static bfd_size_type | |
2204 | ecoff_compute_reloc_file_positions (abfd) | |
2205 | bfd *abfd; | |
2206 | { | |
2207 | const bfd_size_type external_reloc_size = | |
2208 | ecoff_backend (abfd)->external_reloc_size; | |
2209 | file_ptr reloc_base; | |
2210 | bfd_size_type reloc_size; | |
2211 | asection *current; | |
2212 | file_ptr sym_base; | |
2213 | ||
2214 | if (! abfd->output_has_begun) | |
2215 | { | |
2216 | if (! ecoff_compute_section_file_positions (abfd)) | |
2217 | abort (); | |
b34976b6 | 2218 | abfd->output_has_begun = TRUE; |
252b5132 | 2219 | } |
1abaf976 | 2220 | |
252b5132 RH |
2221 | reloc_base = ecoff_data (abfd)->reloc_filepos; |
2222 | ||
2223 | reloc_size = 0; | |
2224 | for (current = abfd->sections; | |
1abaf976 KH |
2225 | current != (asection *)NULL; |
2226 | current = current->next) | |
252b5132 RH |
2227 | { |
2228 | if (current->reloc_count == 0) | |
2229 | current->rel_filepos = 0; | |
2230 | else | |
2231 | { | |
2232 | bfd_size_type relsize; | |
2233 | ||
2234 | current->rel_filepos = reloc_base; | |
2235 | relsize = current->reloc_count * external_reloc_size; | |
2236 | reloc_size += relsize; | |
2237 | reloc_base += relsize; | |
2238 | } | |
2239 | } | |
2240 | ||
2241 | sym_base = ecoff_data (abfd)->reloc_filepos + reloc_size; | |
2242 | ||
2243 | /* At least on Ultrix, the symbol table of an executable file must | |
2244 | be aligned to a page boundary. FIXME: Is this true on other | |
2245 | platforms? */ | |
2246 | if ((abfd->flags & EXEC_P) != 0 | |
2247 | && (abfd->flags & D_PAGED) != 0) | |
2248 | sym_base = ((sym_base + ecoff_backend (abfd)->round - 1) | |
2249 | &~ (ecoff_backend (abfd)->round - 1)); | |
2250 | ||
2251 | ecoff_data (abfd)->sym_filepos = sym_base; | |
2252 | ||
2253 | return reloc_size; | |
2254 | } | |
2255 | ||
2256 | /* Set the contents of a section. */ | |
2257 | ||
b34976b6 | 2258 | bfd_boolean |
252b5132 RH |
2259 | _bfd_ecoff_set_section_contents (abfd, section, location, offset, count) |
2260 | bfd *abfd; | |
2261 | asection *section; | |
0f867abe | 2262 | const PTR location; |
252b5132 RH |
2263 | file_ptr offset; |
2264 | bfd_size_type count; | |
2265 | { | |
dc810e39 AM |
2266 | file_ptr pos; |
2267 | ||
252b5132 | 2268 | /* This must be done first, because bfd_set_section_contents is |
b34976b6 | 2269 | going to set output_has_begun to TRUE. */ |
82e51918 | 2270 | if (! abfd->output_has_begun) |
252b5132 RH |
2271 | { |
2272 | if (! ecoff_compute_section_file_positions (abfd)) | |
b34976b6 | 2273 | return FALSE; |
252b5132 RH |
2274 | } |
2275 | ||
2276 | /* Handle the .lib section specially so that Irix 4 shared libraries | |
2277 | work out. See coff_set_section_contents in coffcode.h. */ | |
2278 | if (strcmp (section->name, _LIB) == 0) | |
2279 | { | |
2280 | bfd_byte *rec, *recend; | |
2281 | ||
2282 | rec = (bfd_byte *) location; | |
2283 | recend = rec + count; | |
2284 | while (rec < recend) | |
2285 | { | |
2286 | ++section->lma; | |
2287 | rec += bfd_get_32 (abfd, rec) * 4; | |
2288 | } | |
2289 | ||
2290 | BFD_ASSERT (rec == recend); | |
2291 | } | |
2292 | ||
2293 | if (count == 0) | |
b34976b6 | 2294 | return TRUE; |
252b5132 | 2295 | |
dc810e39 AM |
2296 | pos = section->filepos + offset; |
2297 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 | |
2298 | || bfd_bwrite (location, count, abfd) != count) | |
b34976b6 | 2299 | return FALSE; |
252b5132 | 2300 | |
b34976b6 | 2301 | return TRUE; |
252b5132 RH |
2302 | } |
2303 | ||
2304 | /* Get the GP value for an ECOFF file. This is a hook used by | |
2305 | nlmconv. */ | |
2306 | ||
2307 | bfd_vma | |
2308 | bfd_ecoff_get_gp_value (abfd) | |
2309 | bfd *abfd; | |
2310 | { | |
2311 | if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour | |
2312 | || bfd_get_format (abfd) != bfd_object) | |
2313 | { | |
2314 | bfd_set_error (bfd_error_invalid_operation); | |
2315 | return 0; | |
2316 | } | |
1abaf976 | 2317 | |
252b5132 RH |
2318 | return ecoff_data (abfd)->gp; |
2319 | } | |
2320 | ||
2321 | /* Set the GP value for an ECOFF file. This is a hook used by the | |
2322 | assembler. */ | |
2323 | ||
b34976b6 | 2324 | bfd_boolean |
252b5132 RH |
2325 | bfd_ecoff_set_gp_value (abfd, gp_value) |
2326 | bfd *abfd; | |
2327 | bfd_vma gp_value; | |
2328 | { | |
2329 | if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour | |
2330 | || bfd_get_format (abfd) != bfd_object) | |
2331 | { | |
2332 | bfd_set_error (bfd_error_invalid_operation); | |
b34976b6 | 2333 | return FALSE; |
252b5132 RH |
2334 | } |
2335 | ||
2336 | ecoff_data (abfd)->gp = gp_value; | |
2337 | ||
b34976b6 | 2338 | return TRUE; |
252b5132 RH |
2339 | } |
2340 | ||
2341 | /* Set the register masks for an ECOFF file. This is a hook used by | |
2342 | the assembler. */ | |
2343 | ||
b34976b6 | 2344 | bfd_boolean |
252b5132 RH |
2345 | bfd_ecoff_set_regmasks (abfd, gprmask, fprmask, cprmask) |
2346 | bfd *abfd; | |
2347 | unsigned long gprmask; | |
2348 | unsigned long fprmask; | |
2349 | unsigned long *cprmask; | |
2350 | { | |
2351 | ecoff_data_type *tdata; | |
2352 | ||
2353 | if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour | |
2354 | || bfd_get_format (abfd) != bfd_object) | |
2355 | { | |
2356 | bfd_set_error (bfd_error_invalid_operation); | |
b34976b6 | 2357 | return FALSE; |
252b5132 RH |
2358 | } |
2359 | ||
2360 | tdata = ecoff_data (abfd); | |
2361 | tdata->gprmask = gprmask; | |
2362 | tdata->fprmask = fprmask; | |
2363 | if (cprmask != (unsigned long *) NULL) | |
2364 | { | |
b0ac09d2 | 2365 | int i; |
252b5132 RH |
2366 | |
2367 | for (i = 0; i < 3; i++) | |
2368 | tdata->cprmask[i] = cprmask[i]; | |
2369 | } | |
2370 | ||
b34976b6 | 2371 | return TRUE; |
252b5132 RH |
2372 | } |
2373 | ||
2374 | /* Get ECOFF EXTR information for an external symbol. This function | |
2375 | is passed to bfd_ecoff_debug_externals. */ | |
2376 | ||
b34976b6 | 2377 | static bfd_boolean |
252b5132 RH |
2378 | ecoff_get_extr (sym, esym) |
2379 | asymbol *sym; | |
2380 | EXTR *esym; | |
2381 | { | |
2382 | ecoff_symbol_type *ecoff_sym_ptr; | |
2383 | bfd *input_bfd; | |
2384 | ||
2385 | if (bfd_asymbol_flavour (sym) != bfd_target_ecoff_flavour | |
2386 | || ecoffsymbol (sym)->native == NULL) | |
2387 | { | |
2388 | /* Don't include debugging, local, or section symbols. */ | |
2389 | if ((sym->flags & BSF_DEBUGGING) != 0 | |
2390 | || (sym->flags & BSF_LOCAL) != 0 | |
2391 | || (sym->flags & BSF_SECTION_SYM) != 0) | |
b34976b6 | 2392 | return FALSE; |
252b5132 RH |
2393 | |
2394 | esym->jmptbl = 0; | |
2395 | esym->cobol_main = 0; | |
2396 | esym->weakext = (sym->flags & BSF_WEAK) != 0; | |
2397 | esym->reserved = 0; | |
2398 | esym->ifd = ifdNil; | |
2399 | /* FIXME: we can do better than this for st and sc. */ | |
2400 | esym->asym.st = stGlobal; | |
2401 | esym->asym.sc = scAbs; | |
2402 | esym->asym.reserved = 0; | |
2403 | esym->asym.index = indexNil; | |
b34976b6 | 2404 | return TRUE; |
252b5132 RH |
2405 | } |
2406 | ||
2407 | ecoff_sym_ptr = ecoffsymbol (sym); | |
2408 | ||
2409 | if (ecoff_sym_ptr->local) | |
b34976b6 | 2410 | return FALSE; |
252b5132 RH |
2411 | |
2412 | input_bfd = bfd_asymbol_bfd (sym); | |
2413 | (*(ecoff_backend (input_bfd)->debug_swap.swap_ext_in)) | |
2414 | (input_bfd, ecoff_sym_ptr->native, esym); | |
2415 | ||
2416 | /* If the symbol was defined by the linker, then esym will be | |
2417 | undefined but sym will not be. Get a better class for such a | |
2418 | symbol. */ | |
2419 | if ((esym->asym.sc == scUndefined | |
2420 | || esym->asym.sc == scSUndefined) | |
2421 | && ! bfd_is_und_section (bfd_get_section (sym))) | |
2422 | esym->asym.sc = scAbs; | |
2423 | ||
2424 | /* Adjust the FDR index for the symbol by that used for the input | |
2425 | BFD. */ | |
2426 | if (esym->ifd != -1) | |
2427 | { | |
2428 | struct ecoff_debug_info *input_debug; | |
2429 | ||
2430 | input_debug = &ecoff_data (input_bfd)->debug_info; | |
2431 | BFD_ASSERT (esym->ifd < input_debug->symbolic_header.ifdMax); | |
2432 | if (input_debug->ifdmap != (RFDT *) NULL) | |
2433 | esym->ifd = input_debug->ifdmap[esym->ifd]; | |
2434 | } | |
2435 | ||
b34976b6 | 2436 | return TRUE; |
252b5132 RH |
2437 | } |
2438 | ||
2439 | /* Set the external symbol index. This routine is passed to | |
2440 | bfd_ecoff_debug_externals. */ | |
2441 | ||
2442 | static void | |
2443 | ecoff_set_index (sym, indx) | |
2444 | asymbol *sym; | |
2445 | bfd_size_type indx; | |
2446 | { | |
2447 | ecoff_set_sym_index (sym, indx); | |
2448 | } | |
2449 | ||
2450 | /* Write out an ECOFF file. */ | |
2451 | ||
b34976b6 | 2452 | bfd_boolean |
252b5132 RH |
2453 | _bfd_ecoff_write_object_contents (abfd) |
2454 | bfd *abfd; | |
2455 | { | |
2456 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
2457 | const bfd_vma round = backend->round; | |
2458 | const bfd_size_type filhsz = bfd_coff_filhsz (abfd); | |
2459 | const bfd_size_type aoutsz = bfd_coff_aoutsz (abfd); | |
2460 | const bfd_size_type scnhsz = bfd_coff_scnhsz (abfd); | |
2461 | const bfd_size_type external_hdr_size | |
2462 | = backend->debug_swap.external_hdr_size; | |
2463 | const bfd_size_type external_reloc_size = backend->external_reloc_size; | |
b34976b6 AM |
2464 | void (* const adjust_reloc_out) |
2465 | PARAMS ((bfd *, const arelent *, struct internal_reloc *)) | |
252b5132 | 2466 | = backend->adjust_reloc_out; |
b34976b6 AM |
2467 | void (* const swap_reloc_out) |
2468 | PARAMS ((bfd *, const struct internal_reloc *, PTR)) | |
252b5132 RH |
2469 | = backend->swap_reloc_out; |
2470 | struct ecoff_debug_info * const debug = &ecoff_data (abfd)->debug_info; | |
2471 | HDRR * const symhdr = &debug->symbolic_header; | |
2472 | asection *current; | |
2473 | unsigned int count; | |
2474 | bfd_size_type reloc_size; | |
2475 | bfd_size_type text_size; | |
2476 | bfd_vma text_start; | |
b34976b6 | 2477 | bfd_boolean set_text_start; |
252b5132 RH |
2478 | bfd_size_type data_size; |
2479 | bfd_vma data_start; | |
b34976b6 | 2480 | bfd_boolean set_data_start; |
252b5132 RH |
2481 | bfd_size_type bss_size; |
2482 | PTR buff = NULL; | |
2483 | PTR reloc_buff = NULL; | |
2484 | struct internal_filehdr internal_f; | |
2485 | struct internal_aouthdr internal_a; | |
2486 | int i; | |
2487 | ||
2488 | /* Determine where the sections and relocs will go in the output | |
2489 | file. */ | |
2490 | reloc_size = ecoff_compute_reloc_file_positions (abfd); | |
2491 | ||
2492 | count = 1; | |
2493 | for (current = abfd->sections; | |
1abaf976 KH |
2494 | current != (asection *)NULL; |
2495 | current = current->next) | |
252b5132 RH |
2496 | { |
2497 | current->target_index = count; | |
2498 | ++count; | |
2499 | } | |
2500 | ||
2501 | if ((abfd->flags & D_PAGED) != 0) | |
b34976b6 | 2502 | text_size = _bfd_ecoff_sizeof_headers (abfd, FALSE); |
252b5132 RH |
2503 | else |
2504 | text_size = 0; | |
2505 | text_start = 0; | |
b34976b6 | 2506 | set_text_start = FALSE; |
252b5132 RH |
2507 | data_size = 0; |
2508 | data_start = 0; | |
b34976b6 | 2509 | set_data_start = FALSE; |
252b5132 RH |
2510 | bss_size = 0; |
2511 | ||
2512 | /* Write section headers to the file. */ | |
2513 | ||
2514 | /* Allocate buff big enough to hold a section header, | |
2515 | file header, or a.out header. */ | |
2516 | { | |
2517 | bfd_size_type siz; | |
2518 | siz = scnhsz; | |
2519 | if (siz < filhsz) | |
2520 | siz = filhsz; | |
2521 | if (siz < aoutsz) | |
2522 | siz = aoutsz; | |
dc810e39 | 2523 | buff = (PTR) bfd_malloc (siz); |
252b5132 RH |
2524 | if (buff == NULL) |
2525 | goto error_return; | |
2526 | } | |
2527 | ||
2528 | internal_f.f_nscns = 0; | |
2529 | if (bfd_seek (abfd, (file_ptr) (filhsz + aoutsz), SEEK_SET) != 0) | |
2530 | goto error_return; | |
2531 | for (current = abfd->sections; | |
2532 | current != (asection *) NULL; | |
2533 | current = current->next) | |
2534 | { | |
2535 | struct internal_scnhdr section; | |
2536 | bfd_vma vma; | |
2537 | ||
2538 | ++internal_f.f_nscns; | |
2539 | ||
2540 | strncpy (section.s_name, current->name, sizeof section.s_name); | |
2541 | ||
2542 | /* This seems to be correct for Irix 4 shared libraries. */ | |
2543 | vma = bfd_get_section_vma (abfd, current); | |
2544 | if (strcmp (current->name, _LIB) == 0) | |
2545 | section.s_vaddr = 0; | |
2546 | else | |
2547 | section.s_vaddr = vma; | |
2548 | ||
2549 | section.s_paddr = current->lma; | |
eea6121a | 2550 | section.s_size = current->size; |
252b5132 RH |
2551 | |
2552 | /* If this section is unloadable then the scnptr will be 0. */ | |
2553 | if ((current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
2554 | section.s_scnptr = 0; | |
2555 | else | |
2556 | section.s_scnptr = current->filepos; | |
2557 | section.s_relptr = current->rel_filepos; | |
2558 | ||
2559 | /* FIXME: the lnnoptr of the .sbss or .sdata section of an | |
2560 | object file produced by the assembler is supposed to point to | |
2561 | information about how much room is required by objects of | |
2562 | various different sizes. I think this only matters if we | |
2563 | want the linker to compute the best size to use, or | |
2564 | something. I don't know what happens if the information is | |
2565 | not present. */ | |
2566 | if (strcmp (current->name, _PDATA) != 0) | |
2567 | section.s_lnnoptr = 0; | |
2568 | else | |
2569 | { | |
2570 | /* The Alpha ECOFF .pdata section uses the lnnoptr field to | |
2571 | hold the number of entries in the section (each entry is | |
2572 | 8 bytes). We stored this in the line_filepos field in | |
2573 | ecoff_compute_section_file_positions. */ | |
2574 | section.s_lnnoptr = current->line_filepos; | |
2575 | } | |
2576 | ||
2577 | section.s_nreloc = current->reloc_count; | |
2578 | section.s_nlnno = 0; | |
2579 | section.s_flags = ecoff_sec_to_styp_flags (current->name, | |
2580 | current->flags); | |
2581 | ||
2582 | if (bfd_coff_swap_scnhdr_out (abfd, (PTR) §ion, buff) == 0 | |
dc810e39 | 2583 | || bfd_bwrite (buff, scnhsz, abfd) != scnhsz) |
252b5132 RH |
2584 | goto error_return; |
2585 | ||
2586 | if ((section.s_flags & STYP_TEXT) != 0 | |
2587 | || ((section.s_flags & STYP_RDATA) != 0 | |
2588 | && ecoff_data (abfd)->rdata_in_text) | |
2589 | || section.s_flags == STYP_PDATA | |
2590 | || (section.s_flags & STYP_DYNAMIC) != 0 | |
2591 | || (section.s_flags & STYP_LIBLIST) != 0 | |
2592 | || (section.s_flags & STYP_RELDYN) != 0 | |
2593 | || section.s_flags == STYP_CONFLIC | |
2594 | || (section.s_flags & STYP_DYNSTR) != 0 | |
2595 | || (section.s_flags & STYP_DYNSYM) != 0 | |
2596 | || (section.s_flags & STYP_HASH) != 0 | |
2597 | || (section.s_flags & STYP_ECOFF_INIT) != 0 | |
2598 | || (section.s_flags & STYP_ECOFF_FINI) != 0 | |
2599 | || section.s_flags == STYP_RCONST) | |
2600 | { | |
eea6121a | 2601 | text_size += current->size; |
252b5132 RH |
2602 | if (! set_text_start || text_start > vma) |
2603 | { | |
2604 | text_start = vma; | |
b34976b6 | 2605 | set_text_start = TRUE; |
252b5132 RH |
2606 | } |
2607 | } | |
2608 | else if ((section.s_flags & STYP_RDATA) != 0 | |
2609 | || (section.s_flags & STYP_DATA) != 0 | |
2610 | || (section.s_flags & STYP_LITA) != 0 | |
2611 | || (section.s_flags & STYP_LIT8) != 0 | |
2612 | || (section.s_flags & STYP_LIT4) != 0 | |
2613 | || (section.s_flags & STYP_SDATA) != 0 | |
2614 | || section.s_flags == STYP_XDATA | |
2615 | || (section.s_flags & STYP_GOT) != 0) | |
2616 | { | |
eea6121a | 2617 | data_size += current->size; |
252b5132 RH |
2618 | if (! set_data_start || data_start > vma) |
2619 | { | |
2620 | data_start = vma; | |
b34976b6 | 2621 | set_data_start = TRUE; |
252b5132 RH |
2622 | } |
2623 | } | |
2624 | else if ((section.s_flags & STYP_BSS) != 0 | |
2625 | || (section.s_flags & STYP_SBSS) != 0) | |
eea6121a | 2626 | bss_size += current->size; |
252b5132 RH |
2627 | else if (section.s_flags == 0 |
2628 | || (section.s_flags & STYP_ECOFF_LIB) != 0 | |
2629 | || section.s_flags == STYP_COMMENT) | |
b0ac09d2 | 2630 | /* Do nothing. */ ; |
252b5132 RH |
2631 | else |
2632 | abort (); | |
1abaf976 | 2633 | } |
252b5132 RH |
2634 | |
2635 | /* Set up the file header. */ | |
252b5132 RH |
2636 | internal_f.f_magic = ecoff_get_magic (abfd); |
2637 | ||
2638 | /* We will NOT put a fucking timestamp in the header here. Every | |
2639 | time you put it back, I will come in and take it out again. I'm | |
2640 | sorry. This field does not belong here. We fill it with a 0 so | |
2641 | it compares the same but is not a reasonable time. -- | |
2642 | gnu@cygnus.com. */ | |
2643 | internal_f.f_timdat = 0; | |
2644 | ||
2645 | if (bfd_get_symcount (abfd) != 0) | |
2646 | { | |
2647 | /* The ECOFF f_nsyms field is not actually the number of | |
2648 | symbols, it's the size of symbolic information header. */ | |
2649 | internal_f.f_nsyms = external_hdr_size; | |
2650 | internal_f.f_symptr = ecoff_data (abfd)->sym_filepos; | |
2651 | } | |
2652 | else | |
2653 | { | |
2654 | internal_f.f_nsyms = 0; | |
2655 | internal_f.f_symptr = 0; | |
2656 | } | |
2657 | ||
2658 | internal_f.f_opthdr = aoutsz; | |
2659 | ||
2660 | internal_f.f_flags = F_LNNO; | |
2661 | if (reloc_size == 0) | |
2662 | internal_f.f_flags |= F_RELFLG; | |
2663 | if (bfd_get_symcount (abfd) == 0) | |
2664 | internal_f.f_flags |= F_LSYMS; | |
2665 | if (abfd->flags & EXEC_P) | |
2666 | internal_f.f_flags |= F_EXEC; | |
2667 | ||
2668 | if (bfd_little_endian (abfd)) | |
2669 | internal_f.f_flags |= F_AR32WR; | |
2670 | else | |
2671 | internal_f.f_flags |= F_AR32W; | |
2672 | ||
2673 | /* Set up the ``optional'' header. */ | |
2674 | if ((abfd->flags & D_PAGED) != 0) | |
2675 | internal_a.magic = ECOFF_AOUT_ZMAGIC; | |
2676 | else | |
2677 | internal_a.magic = ECOFF_AOUT_OMAGIC; | |
2678 | ||
2679 | /* FIXME: Is this really correct? */ | |
2680 | internal_a.vstamp = symhdr->vstamp; | |
2681 | ||
2682 | /* At least on Ultrix, these have to be rounded to page boundaries. | |
2683 | FIXME: Is this true on other platforms? */ | |
2684 | if ((abfd->flags & D_PAGED) != 0) | |
2685 | { | |
2686 | internal_a.tsize = (text_size + round - 1) &~ (round - 1); | |
2687 | internal_a.text_start = text_start &~ (round - 1); | |
2688 | internal_a.dsize = (data_size + round - 1) &~ (round - 1); | |
2689 | internal_a.data_start = data_start &~ (round - 1); | |
2690 | } | |
2691 | else | |
2692 | { | |
2693 | internal_a.tsize = text_size; | |
2694 | internal_a.text_start = text_start; | |
2695 | internal_a.dsize = data_size; | |
2696 | internal_a.data_start = data_start; | |
2697 | } | |
2698 | ||
2699 | /* On Ultrix, the initial portions of the .sbss and .bss segments | |
2700 | are at the end of the data section. The bsize field in the | |
2701 | optional header records how many bss bytes are required beyond | |
2702 | those in the data section. The value is not rounded to a page | |
2703 | boundary. */ | |
2704 | if (bss_size < internal_a.dsize - data_size) | |
2705 | bss_size = 0; | |
2706 | else | |
2707 | bss_size -= internal_a.dsize - data_size; | |
2708 | internal_a.bsize = bss_size; | |
2709 | internal_a.bss_start = internal_a.data_start + internal_a.dsize; | |
2710 | ||
2711 | internal_a.entry = bfd_get_start_address (abfd); | |
2712 | ||
2713 | internal_a.gp_value = ecoff_data (abfd)->gp; | |
2714 | ||
2715 | internal_a.gprmask = ecoff_data (abfd)->gprmask; | |
2716 | internal_a.fprmask = ecoff_data (abfd)->fprmask; | |
2717 | for (i = 0; i < 4; i++) | |
2718 | internal_a.cprmask[i] = ecoff_data (abfd)->cprmask[i]; | |
2719 | ||
2720 | /* Let the backend adjust the headers if necessary. */ | |
2721 | if (backend->adjust_headers) | |
2722 | { | |
2723 | if (! (*backend->adjust_headers) (abfd, &internal_f, &internal_a)) | |
2724 | goto error_return; | |
2725 | } | |
2726 | ||
2727 | /* Write out the file header and the optional header. */ | |
252b5132 RH |
2728 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) |
2729 | goto error_return; | |
2730 | ||
2731 | bfd_coff_swap_filehdr_out (abfd, (PTR) &internal_f, buff); | |
dc810e39 | 2732 | if (bfd_bwrite (buff, filhsz, abfd) != filhsz) |
252b5132 RH |
2733 | goto error_return; |
2734 | ||
2735 | bfd_coff_swap_aouthdr_out (abfd, (PTR) &internal_a, buff); | |
dc810e39 | 2736 | if (bfd_bwrite (buff, aoutsz, abfd) != aoutsz) |
252b5132 RH |
2737 | goto error_return; |
2738 | ||
2739 | /* Build the external symbol information. This must be done before | |
2740 | writing out the relocs so that we know the symbol indices. We | |
2741 | don't do this if this BFD was created by the backend linker, | |
2742 | since it will have already handled the symbols and relocs. */ | |
2743 | if (! ecoff_data (abfd)->linker) | |
2744 | { | |
2745 | symhdr->iextMax = 0; | |
2746 | symhdr->issExtMax = 0; | |
2747 | debug->external_ext = debug->external_ext_end = NULL; | |
2748 | debug->ssext = debug->ssext_end = NULL; | |
82e51918 AM |
2749 | if (! bfd_ecoff_debug_externals (abfd, debug, &backend->debug_swap, |
2750 | (abfd->flags & EXEC_P) == 0, | |
2751 | ecoff_get_extr, ecoff_set_index)) | |
252b5132 RH |
2752 | goto error_return; |
2753 | ||
2754 | /* Write out the relocs. */ | |
2755 | for (current = abfd->sections; | |
2756 | current != (asection *) NULL; | |
2757 | current = current->next) | |
2758 | { | |
2759 | arelent **reloc_ptr_ptr; | |
2760 | arelent **reloc_end; | |
2761 | char *out_ptr; | |
dc810e39 | 2762 | bfd_size_type amt; |
252b5132 RH |
2763 | |
2764 | if (current->reloc_count == 0) | |
2765 | continue; | |
2766 | ||
dc810e39 AM |
2767 | amt = current->reloc_count * external_reloc_size; |
2768 | reloc_buff = bfd_alloc (abfd, amt); | |
252b5132 RH |
2769 | if (reloc_buff == NULL) |
2770 | goto error_return; | |
2771 | ||
2772 | reloc_ptr_ptr = current->orelocation; | |
2773 | reloc_end = reloc_ptr_ptr + current->reloc_count; | |
2774 | out_ptr = (char *) reloc_buff; | |
2775 | for (; | |
2776 | reloc_ptr_ptr < reloc_end; | |
2777 | reloc_ptr_ptr++, out_ptr += external_reloc_size) | |
2778 | { | |
2779 | arelent *reloc; | |
2780 | asymbol *sym; | |
2781 | struct internal_reloc in; | |
1abaf976 | 2782 | |
252b5132 RH |
2783 | memset ((PTR) &in, 0, sizeof in); |
2784 | ||
2785 | reloc = *reloc_ptr_ptr; | |
2786 | sym = *reloc->sym_ptr_ptr; | |
2787 | ||
2788 | in.r_vaddr = (reloc->address | |
2789 | + bfd_get_section_vma (abfd, current)); | |
2790 | in.r_type = reloc->howto->type; | |
2791 | ||
2792 | if ((sym->flags & BSF_SECTION_SYM) == 0) | |
2793 | { | |
2794 | in.r_symndx = ecoff_get_sym_index (*reloc->sym_ptr_ptr); | |
2795 | in.r_extern = 1; | |
2796 | } | |
2797 | else | |
2798 | { | |
dc810e39 | 2799 | const char *name; |
252b5132 RH |
2800 | |
2801 | name = bfd_get_section_name (abfd, bfd_get_section (sym)); | |
2802 | if (strcmp (name, ".text") == 0) | |
2803 | in.r_symndx = RELOC_SECTION_TEXT; | |
2804 | else if (strcmp (name, ".rdata") == 0) | |
2805 | in.r_symndx = RELOC_SECTION_RDATA; | |
2806 | else if (strcmp (name, ".data") == 0) | |
2807 | in.r_symndx = RELOC_SECTION_DATA; | |
2808 | else if (strcmp (name, ".sdata") == 0) | |
2809 | in.r_symndx = RELOC_SECTION_SDATA; | |
2810 | else if (strcmp (name, ".sbss") == 0) | |
2811 | in.r_symndx = RELOC_SECTION_SBSS; | |
2812 | else if (strcmp (name, ".bss") == 0) | |
2813 | in.r_symndx = RELOC_SECTION_BSS; | |
2814 | else if (strcmp (name, ".init") == 0) | |
2815 | in.r_symndx = RELOC_SECTION_INIT; | |
2816 | else if (strcmp (name, ".lit8") == 0) | |
2817 | in.r_symndx = RELOC_SECTION_LIT8; | |
2818 | else if (strcmp (name, ".lit4") == 0) | |
2819 | in.r_symndx = RELOC_SECTION_LIT4; | |
2820 | else if (strcmp (name, ".xdata") == 0) | |
2821 | in.r_symndx = RELOC_SECTION_XDATA; | |
2822 | else if (strcmp (name, ".pdata") == 0) | |
2823 | in.r_symndx = RELOC_SECTION_PDATA; | |
2824 | else if (strcmp (name, ".fini") == 0) | |
2825 | in.r_symndx = RELOC_SECTION_FINI; | |
2826 | else if (strcmp (name, ".lita") == 0) | |
2827 | in.r_symndx = RELOC_SECTION_LITA; | |
2828 | else if (strcmp (name, "*ABS*") == 0) | |
2829 | in.r_symndx = RELOC_SECTION_ABS; | |
2830 | else if (strcmp (name, ".rconst") == 0) | |
2831 | in.r_symndx = RELOC_SECTION_RCONST; | |
2832 | else | |
2833 | abort (); | |
2834 | in.r_extern = 0; | |
2835 | } | |
2836 | ||
2837 | (*adjust_reloc_out) (abfd, reloc, &in); | |
2838 | ||
2839 | (*swap_reloc_out) (abfd, &in, (PTR) out_ptr); | |
2840 | } | |
2841 | ||
2842 | if (bfd_seek (abfd, current->rel_filepos, SEEK_SET) != 0) | |
2843 | goto error_return; | |
dc810e39 AM |
2844 | amt = current->reloc_count * external_reloc_size; |
2845 | if (bfd_bwrite (reloc_buff, amt, abfd) != amt) | |
252b5132 RH |
2846 | goto error_return; |
2847 | bfd_release (abfd, reloc_buff); | |
2848 | reloc_buff = NULL; | |
2849 | } | |
2850 | ||
2851 | /* Write out the symbolic debugging information. */ | |
2852 | if (bfd_get_symcount (abfd) > 0) | |
2853 | { | |
2854 | /* Write out the debugging information. */ | |
82e51918 AM |
2855 | if (! bfd_ecoff_write_debug (abfd, debug, &backend->debug_swap, |
2856 | ecoff_data (abfd)->sym_filepos)) | |
252b5132 RH |
2857 | goto error_return; |
2858 | } | |
2859 | } | |
2860 | ||
2861 | /* The .bss section of a demand paged executable must receive an | |
2862 | entire page. If there are symbols, the symbols will start on the | |
2863 | next page. If there are no symbols, we must fill out the page by | |
2864 | hand. */ | |
2865 | if (bfd_get_symcount (abfd) == 0 | |
2866 | && (abfd->flags & EXEC_P) != 0 | |
2867 | && (abfd->flags & D_PAGED) != 0) | |
2868 | { | |
2869 | char c; | |
2870 | ||
2871 | if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos - 1, | |
2872 | SEEK_SET) != 0) | |
2873 | goto error_return; | |
dc810e39 | 2874 | if (bfd_bread (&c, (bfd_size_type) 1, abfd) == 0) |
252b5132 RH |
2875 | c = 0; |
2876 | if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos - 1, | |
2877 | SEEK_SET) != 0) | |
2878 | goto error_return; | |
dc810e39 | 2879 | if (bfd_bwrite (&c, (bfd_size_type) 1, abfd) != 1) |
252b5132 RH |
2880 | goto error_return; |
2881 | } | |
2882 | ||
2883 | if (reloc_buff != NULL) | |
2884 | bfd_release (abfd, reloc_buff); | |
2885 | if (buff != NULL) | |
2886 | free (buff); | |
b34976b6 | 2887 | return TRUE; |
252b5132 RH |
2888 | error_return: |
2889 | if (reloc_buff != NULL) | |
2890 | bfd_release (abfd, reloc_buff); | |
2891 | if (buff != NULL) | |
2892 | free (buff); | |
b34976b6 | 2893 | return FALSE; |
252b5132 RH |
2894 | } |
2895 | \f | |
2896 | /* Archive handling. ECOFF uses what appears to be a unique type of | |
2897 | archive header (armap). The byte ordering of the armap and the | |
2898 | contents are encoded in the name of the armap itself. At least for | |
2899 | now, we only support archives with the same byte ordering in the | |
2900 | armap and the contents. | |
2901 | ||
2902 | The first four bytes in the armap are the number of symbol | |
2903 | definitions. This is always a power of two. | |
2904 | ||
2905 | This is followed by the symbol definitions. Each symbol definition | |
2906 | occupies 8 bytes. The first four bytes are the offset from the | |
2907 | start of the armap strings to the null-terminated string naming | |
2908 | this symbol. The second four bytes are the file offset to the | |
2909 | archive member which defines this symbol. If the second four bytes | |
2910 | are 0, then this is not actually a symbol definition, and it should | |
2911 | be ignored. | |
2912 | ||
2913 | The symbols are hashed into the armap with a closed hashing scheme. | |
2914 | See the functions below for the details of the algorithm. | |
2915 | ||
2916 | After the symbol definitions comes four bytes holding the size of | |
2917 | the string table, followed by the string table itself. */ | |
2918 | ||
2919 | /* The name of an archive headers looks like this: | |
2920 | __________E[BL]E[BL]_ (with a trailing space). | |
2921 | The trailing space is changed to an X if the archive is changed to | |
2922 | indicate that the armap is out of date. | |
2923 | ||
2924 | The Alpha seems to use ________64E[BL]E[BL]_. */ | |
2925 | ||
2926 | #define ARMAP_BIG_ENDIAN 'B' | |
2927 | #define ARMAP_LITTLE_ENDIAN 'L' | |
2928 | #define ARMAP_MARKER 'E' | |
2929 | #define ARMAP_START_LENGTH 10 | |
2930 | #define ARMAP_HEADER_MARKER_INDEX 10 | |
2931 | #define ARMAP_HEADER_ENDIAN_INDEX 11 | |
2932 | #define ARMAP_OBJECT_MARKER_INDEX 12 | |
2933 | #define ARMAP_OBJECT_ENDIAN_INDEX 13 | |
2934 | #define ARMAP_END_INDEX 14 | |
2935 | #define ARMAP_END "_ " | |
2936 | ||
2937 | /* This is a magic number used in the hashing algorithm. */ | |
2938 | #define ARMAP_HASH_MAGIC 0x9dd68ab5 | |
2939 | ||
2940 | /* This returns the hash value to use for a string. It also sets | |
2941 | *REHASH to the rehash adjustment if the first slot is taken. SIZE | |
2942 | is the number of entries in the hash table, and HLOG is the log | |
2943 | base 2 of SIZE. */ | |
2944 | ||
2945 | static unsigned int | |
2946 | ecoff_armap_hash (s, rehash, size, hlog) | |
dc810e39 | 2947 | const char *s; |
252b5132 RH |
2948 | unsigned int *rehash; |
2949 | unsigned int size; | |
2950 | unsigned int hlog; | |
2951 | { | |
2952 | unsigned int hash; | |
2953 | ||
2954 | if (hlog == 0) | |
2955 | return 0; | |
2956 | hash = *s++; | |
2957 | while (*s != '\0') | |
2958 | hash = ((hash >> 27) | (hash << 5)) + *s++; | |
2959 | hash *= ARMAP_HASH_MAGIC; | |
2960 | *rehash = (hash & (size - 1)) | 1; | |
2961 | return hash >> (32 - hlog); | |
2962 | } | |
2963 | ||
2964 | /* Read in the armap. */ | |
2965 | ||
b34976b6 | 2966 | bfd_boolean |
252b5132 RH |
2967 | _bfd_ecoff_slurp_armap (abfd) |
2968 | bfd *abfd; | |
2969 | { | |
2970 | char nextname[17]; | |
2971 | unsigned int i; | |
2972 | struct areltdata *mapdata; | |
2973 | bfd_size_type parsed_size; | |
2974 | char *raw_armap; | |
2975 | struct artdata *ardata; | |
2976 | unsigned int count; | |
2977 | char *raw_ptr; | |
2978 | struct symdef *symdef_ptr; | |
2979 | char *stringbase; | |
dc810e39 | 2980 | bfd_size_type amt; |
1abaf976 | 2981 | |
252b5132 | 2982 | /* Get the name of the first element. */ |
dc810e39 | 2983 | i = bfd_bread ((PTR) nextname, (bfd_size_type) 16, abfd); |
252b5132 | 2984 | if (i == 0) |
b34976b6 | 2985 | return TRUE; |
252b5132 | 2986 | if (i != 16) |
b34976b6 | 2987 | return FALSE; |
252b5132 RH |
2988 | |
2989 | if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0) | |
b34976b6 | 2990 | return FALSE; |
252b5132 RH |
2991 | |
2992 | /* Irix 4.0.5F apparently can use either an ECOFF armap or a | |
2993 | standard COFF armap. We could move the ECOFF armap stuff into | |
2994 | bfd_slurp_armap, but that seems inappropriate since no other | |
2995 | target uses this format. Instead, we check directly for a COFF | |
2996 | armap. */ | |
2997 | if (strncmp (nextname, "/ ", 16) == 0) | |
2998 | return bfd_slurp_armap (abfd); | |
2999 | ||
3000 | /* See if the first element is an armap. */ | |
3001 | if (strncmp (nextname, ecoff_backend (abfd)->armap_start, | |
3002 | ARMAP_START_LENGTH) != 0 | |
3003 | || nextname[ARMAP_HEADER_MARKER_INDEX] != ARMAP_MARKER | |
3004 | || (nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN | |
3005 | && nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN) | |
3006 | || nextname[ARMAP_OBJECT_MARKER_INDEX] != ARMAP_MARKER | |
3007 | || (nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN | |
3008 | && nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN) | |
3009 | || strncmp (nextname + ARMAP_END_INDEX, | |
3010 | ARMAP_END, sizeof ARMAP_END - 1) != 0) | |
3011 | { | |
b34976b6 AM |
3012 | bfd_has_map (abfd) = FALSE; |
3013 | return TRUE; | |
252b5132 RH |
3014 | } |
3015 | ||
3016 | /* Make sure we have the right byte ordering. */ | |
3017 | if (((nextname[ARMAP_HEADER_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN) | |
3018 | ^ (bfd_header_big_endian (abfd))) | |
3019 | || ((nextname[ARMAP_OBJECT_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN) | |
3020 | ^ (bfd_big_endian (abfd)))) | |
3021 | { | |
3022 | bfd_set_error (bfd_error_wrong_format); | |
b34976b6 | 3023 | return FALSE; |
252b5132 RH |
3024 | } |
3025 | ||
3026 | /* Read in the armap. */ | |
3027 | ardata = bfd_ardata (abfd); | |
3028 | mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd); | |
3029 | if (mapdata == (struct areltdata *) NULL) | |
b34976b6 | 3030 | return FALSE; |
252b5132 RH |
3031 | parsed_size = mapdata->parsed_size; |
3032 | bfd_release (abfd, (PTR) mapdata); | |
1abaf976 | 3033 | |
252b5132 RH |
3034 | raw_armap = (char *) bfd_alloc (abfd, parsed_size); |
3035 | if (raw_armap == (char *) NULL) | |
b34976b6 | 3036 | return FALSE; |
1abaf976 | 3037 | |
dc810e39 | 3038 | if (bfd_bread ((PTR) raw_armap, parsed_size, abfd) != parsed_size) |
252b5132 RH |
3039 | { |
3040 | if (bfd_get_error () != bfd_error_system_call) | |
3041 | bfd_set_error (bfd_error_malformed_archive); | |
3042 | bfd_release (abfd, (PTR) raw_armap); | |
b34976b6 | 3043 | return FALSE; |
252b5132 | 3044 | } |
1abaf976 | 3045 | |
252b5132 RH |
3046 | ardata->tdata = (PTR) raw_armap; |
3047 | ||
dc810e39 | 3048 | count = H_GET_32 (abfd, raw_armap); |
252b5132 RH |
3049 | |
3050 | ardata->symdef_count = 0; | |
3051 | ardata->cache = (struct ar_cache *) NULL; | |
3052 | ||
3053 | /* This code used to overlay the symdefs over the raw archive data, | |
3054 | but that doesn't work on a 64 bit host. */ | |
252b5132 RH |
3055 | stringbase = raw_armap + count * 8 + 8; |
3056 | ||
3057 | #ifdef CHECK_ARMAP_HASH | |
3058 | { | |
3059 | unsigned int hlog; | |
3060 | ||
3061 | /* Double check that I have the hashing algorithm right by making | |
3062 | sure that every symbol can be looked up successfully. */ | |
3063 | hlog = 0; | |
3064 | for (i = 1; i < count; i <<= 1) | |
3065 | hlog++; | |
3066 | BFD_ASSERT (i == count); | |
3067 | ||
3068 | raw_ptr = raw_armap + 4; | |
3069 | for (i = 0; i < count; i++, raw_ptr += 8) | |
3070 | { | |
3071 | unsigned int name_offset, file_offset; | |
3072 | unsigned int hash, rehash, srch; | |
1abaf976 | 3073 | |
dc810e39 AM |
3074 | name_offset = H_GET_32 (abfd, raw_ptr); |
3075 | file_offset = H_GET_32 (abfd, (raw_ptr + 4)); | |
252b5132 RH |
3076 | if (file_offset == 0) |
3077 | continue; | |
3078 | hash = ecoff_armap_hash (stringbase + name_offset, &rehash, count, | |
3079 | hlog); | |
3080 | if (hash == i) | |
3081 | continue; | |
3082 | ||
3083 | /* See if we can rehash to this location. */ | |
3084 | for (srch = (hash + rehash) & (count - 1); | |
3085 | srch != hash && srch != i; | |
3086 | srch = (srch + rehash) & (count - 1)) | |
dc810e39 | 3087 | BFD_ASSERT (H_GET_32 (abfd, (raw_armap + 8 + srch * 8)) != 0); |
252b5132 RH |
3088 | BFD_ASSERT (srch == i); |
3089 | } | |
3090 | } | |
3091 | ||
3092 | #endif /* CHECK_ARMAP_HASH */ | |
3093 | ||
3094 | raw_ptr = raw_armap + 4; | |
3095 | for (i = 0; i < count; i++, raw_ptr += 8) | |
dc810e39 | 3096 | if (H_GET_32 (abfd, (raw_ptr + 4)) != 0) |
252b5132 RH |
3097 | ++ardata->symdef_count; |
3098 | ||
dc810e39 AM |
3099 | amt = ardata->symdef_count; |
3100 | amt *= sizeof (struct symdef); | |
3101 | symdef_ptr = (struct symdef *) bfd_alloc (abfd, amt); | |
252b5132 | 3102 | if (!symdef_ptr) |
b34976b6 | 3103 | return FALSE; |
252b5132 RH |
3104 | |
3105 | ardata->symdefs = (carsym *) symdef_ptr; | |
3106 | ||
3107 | raw_ptr = raw_armap + 4; | |
3108 | for (i = 0; i < count; i++, raw_ptr += 8) | |
3109 | { | |
3110 | unsigned int name_offset, file_offset; | |
3111 | ||
dc810e39 | 3112 | file_offset = H_GET_32 (abfd, (raw_ptr + 4)); |
252b5132 RH |
3113 | if (file_offset == 0) |
3114 | continue; | |
dc810e39 | 3115 | name_offset = H_GET_32 (abfd, raw_ptr); |
252b5132 RH |
3116 | symdef_ptr->s.name = stringbase + name_offset; |
3117 | symdef_ptr->file_offset = file_offset; | |
3118 | ++symdef_ptr; | |
3119 | } | |
3120 | ||
3121 | ardata->first_file_filepos = bfd_tell (abfd); | |
3122 | /* Pad to an even boundary. */ | |
3123 | ardata->first_file_filepos += ardata->first_file_filepos % 2; | |
3124 | ||
b34976b6 | 3125 | bfd_has_map (abfd) = TRUE; |
252b5132 | 3126 | |
b34976b6 | 3127 | return TRUE; |
252b5132 RH |
3128 | } |
3129 | ||
3130 | /* Write out an armap. */ | |
3131 | ||
b34976b6 | 3132 | bfd_boolean |
252b5132 RH |
3133 | _bfd_ecoff_write_armap (abfd, elength, map, orl_count, stridx) |
3134 | bfd *abfd; | |
3135 | unsigned int elength; | |
3136 | struct orl *map; | |
3137 | unsigned int orl_count; | |
3138 | int stridx; | |
3139 | { | |
3140 | unsigned int hashsize, hashlog; | |
dc810e39 | 3141 | bfd_size_type symdefsize; |
252b5132 RH |
3142 | int padit; |
3143 | unsigned int stringsize; | |
3144 | unsigned int mapsize; | |
3145 | file_ptr firstreal; | |
3146 | struct ar_hdr hdr; | |
3147 | struct stat statbuf; | |
3148 | unsigned int i; | |
3149 | bfd_byte temp[4]; | |
3150 | bfd_byte *hashtable; | |
3151 | bfd *current; | |
3152 | bfd *last_elt; | |
3153 | ||
3154 | /* Ultrix appears to use as a hash table size the least power of two | |
3155 | greater than twice the number of entries. */ | |
3156 | for (hashlog = 0; ((unsigned int) 1 << hashlog) <= 2 * orl_count; hashlog++) | |
3157 | ; | |
3158 | hashsize = 1 << hashlog; | |
3159 | ||
3160 | symdefsize = hashsize * 8; | |
3161 | padit = stridx % 2; | |
3162 | stringsize = stridx + padit; | |
3163 | ||
1abaf976 | 3164 | /* Include 8 bytes to store symdefsize and stringsize in output. */ |
252b5132 RH |
3165 | mapsize = symdefsize + stringsize + 8; |
3166 | ||
3167 | firstreal = SARMAG + sizeof (struct ar_hdr) + mapsize + elength; | |
3168 | ||
3169 | memset ((PTR) &hdr, 0, sizeof hdr); | |
3170 | ||
3171 | /* Work out the ECOFF armap name. */ | |
3172 | strcpy (hdr.ar_name, ecoff_backend (abfd)->armap_start); | |
3173 | hdr.ar_name[ARMAP_HEADER_MARKER_INDEX] = ARMAP_MARKER; | |
3174 | hdr.ar_name[ARMAP_HEADER_ENDIAN_INDEX] = | |
3175 | (bfd_header_big_endian (abfd) | |
3176 | ? ARMAP_BIG_ENDIAN | |
3177 | : ARMAP_LITTLE_ENDIAN); | |
3178 | hdr.ar_name[ARMAP_OBJECT_MARKER_INDEX] = ARMAP_MARKER; | |
3179 | hdr.ar_name[ARMAP_OBJECT_ENDIAN_INDEX] = | |
3180 | bfd_big_endian (abfd) ? ARMAP_BIG_ENDIAN : ARMAP_LITTLE_ENDIAN; | |
3181 | memcpy (hdr.ar_name + ARMAP_END_INDEX, ARMAP_END, sizeof ARMAP_END - 1); | |
3182 | ||
3183 | /* Write the timestamp of the archive header to be just a little bit | |
3184 | later than the timestamp of the file, otherwise the linker will | |
3185 | complain that the index is out of date. Actually, the Ultrix | |
3186 | linker just checks the archive name; the GNU linker may check the | |
3187 | date. */ | |
3188 | stat (abfd->filename, &statbuf); | |
3189 | sprintf (hdr.ar_date, "%ld", (long) (statbuf.st_mtime + 60)); | |
3190 | ||
3191 | /* The DECstation uses zeroes for the uid, gid and mode of the | |
3192 | armap. */ | |
3193 | hdr.ar_uid[0] = '0'; | |
3194 | hdr.ar_gid[0] = '0'; | |
ec0ef80e | 3195 | #if 0 |
252b5132 | 3196 | hdr.ar_mode[0] = '0'; |
ec0ef80e | 3197 | #else |
1abaf976 | 3198 | /* Building gcc ends up extracting the armap as a file - twice. */ |
ec0ef80e DD |
3199 | hdr.ar_mode[0] = '6'; |
3200 | hdr.ar_mode[1] = '4'; | |
3201 | hdr.ar_mode[2] = '4'; | |
3202 | #endif | |
252b5132 RH |
3203 | |
3204 | sprintf (hdr.ar_size, "%-10d", (int) mapsize); | |
3205 | ||
3206 | hdr.ar_fmag[0] = '`'; | |
3207 | hdr.ar_fmag[1] = '\012'; | |
3208 | ||
3209 | /* Turn all null bytes in the header into spaces. */ | |
3210 | for (i = 0; i < sizeof (struct ar_hdr); i++) | |
1abaf976 KH |
3211 | if (((char *) (&hdr))[i] == '\0') |
3212 | (((char *) (&hdr))[i]) = ' '; | |
252b5132 | 3213 | |
dc810e39 | 3214 | if (bfd_bwrite ((PTR) &hdr, (bfd_size_type) sizeof (struct ar_hdr), abfd) |
252b5132 | 3215 | != sizeof (struct ar_hdr)) |
b34976b6 | 3216 | return FALSE; |
252b5132 | 3217 | |
dc810e39 AM |
3218 | H_PUT_32 (abfd, hashsize, temp); |
3219 | if (bfd_bwrite ((PTR) temp, (bfd_size_type) 4, abfd) != 4) | |
b34976b6 | 3220 | return FALSE; |
1abaf976 | 3221 | |
252b5132 RH |
3222 | hashtable = (bfd_byte *) bfd_zalloc (abfd, symdefsize); |
3223 | if (!hashtable) | |
b34976b6 | 3224 | return FALSE; |
252b5132 RH |
3225 | |
3226 | current = abfd->archive_head; | |
3227 | last_elt = current; | |
3228 | for (i = 0; i < orl_count; i++) | |
3229 | { | |
3230 | unsigned int hash, rehash; | |
3231 | ||
3232 | /* Advance firstreal to the file position of this archive | |
3233 | element. */ | |
dc810e39 | 3234 | if (map[i].u.abfd != last_elt) |
252b5132 RH |
3235 | { |
3236 | do | |
3237 | { | |
3238 | firstreal += arelt_size (current) + sizeof (struct ar_hdr); | |
3239 | firstreal += firstreal % 2; | |
3240 | current = current->next; | |
3241 | } | |
dc810e39 | 3242 | while (current != map[i].u.abfd); |
252b5132 RH |
3243 | } |
3244 | ||
3245 | last_elt = current; | |
3246 | ||
3247 | hash = ecoff_armap_hash (*map[i].name, &rehash, hashsize, hashlog); | |
dc810e39 | 3248 | if (H_GET_32 (abfd, (hashtable + (hash * 8) + 4)) != 0) |
252b5132 RH |
3249 | { |
3250 | unsigned int srch; | |
3251 | ||
3252 | /* The desired slot is already taken. */ | |
3253 | for (srch = (hash + rehash) & (hashsize - 1); | |
3254 | srch != hash; | |
3255 | srch = (srch + rehash) & (hashsize - 1)) | |
dc810e39 | 3256 | if (H_GET_32 (abfd, (hashtable + (srch * 8) + 4)) == 0) |
252b5132 RH |
3257 | break; |
3258 | ||
3259 | BFD_ASSERT (srch != hash); | |
3260 | ||
3261 | hash = srch; | |
3262 | } | |
1abaf976 | 3263 | |
dc810e39 AM |
3264 | H_PUT_32 (abfd, map[i].namidx, (hashtable + hash * 8)); |
3265 | H_PUT_32 (abfd, firstreal, (hashtable + hash * 8 + 4)); | |
252b5132 RH |
3266 | } |
3267 | ||
dc810e39 | 3268 | if (bfd_bwrite ((PTR) hashtable, symdefsize, abfd) != symdefsize) |
b34976b6 | 3269 | return FALSE; |
252b5132 RH |
3270 | |
3271 | bfd_release (abfd, hashtable); | |
3272 | ||
3273 | /* Now write the strings. */ | |
dc810e39 AM |
3274 | H_PUT_32 (abfd, stringsize, temp); |
3275 | if (bfd_bwrite ((PTR) temp, (bfd_size_type) 4, abfd) != 4) | |
b34976b6 | 3276 | return FALSE; |
252b5132 RH |
3277 | for (i = 0; i < orl_count; i++) |
3278 | { | |
3279 | bfd_size_type len; | |
3280 | ||
3281 | len = strlen (*map[i].name) + 1; | |
dc810e39 | 3282 | if (bfd_bwrite ((PTR) (*map[i].name), len, abfd) != len) |
b34976b6 | 3283 | return FALSE; |
252b5132 RH |
3284 | } |
3285 | ||
3286 | /* The spec sez this should be a newline. But in order to be | |
3287 | bug-compatible for DECstation ar we use a null. */ | |
3288 | if (padit) | |
3289 | { | |
dc810e39 | 3290 | if (bfd_bwrite ("", (bfd_size_type) 1, abfd) != 1) |
b34976b6 | 3291 | return FALSE; |
252b5132 RH |
3292 | } |
3293 | ||
b34976b6 | 3294 | return TRUE; |
252b5132 RH |
3295 | } |
3296 | ||
3297 | /* See whether this BFD is an archive. If it is, read in the armap | |
3298 | and the extended name table. */ | |
3299 | ||
3300 | const bfd_target * | |
3301 | _bfd_ecoff_archive_p (abfd) | |
3302 | bfd *abfd; | |
3303 | { | |
3304 | struct artdata *tdata_hold; | |
3305 | char armag[SARMAG + 1]; | |
dc810e39 | 3306 | bfd_size_type amt; |
252b5132 | 3307 | |
dc810e39 | 3308 | if (bfd_bread ((PTR) armag, (bfd_size_type) SARMAG, abfd) != SARMAG) |
252b5132 RH |
3309 | { |
3310 | if (bfd_get_error () != bfd_error_system_call) | |
3311 | bfd_set_error (bfd_error_wrong_format); | |
3312 | return (const bfd_target *) NULL; | |
3313 | } | |
3314 | ||
3315 | if (strncmp (armag, ARMAG, SARMAG) != 0) | |
3316 | { | |
3317 | bfd_set_error (bfd_error_wrong_format); | |
3318 | return NULL; | |
3319 | } | |
3320 | ||
487e54f2 | 3321 | tdata_hold = bfd_ardata (abfd); |
252b5132 | 3322 | |
487e54f2 AM |
3323 | amt = sizeof (struct artdata); |
3324 | bfd_ardata (abfd) = (struct artdata *) bfd_zalloc (abfd, amt); | |
252b5132 RH |
3325 | if (bfd_ardata (abfd) == (struct artdata *) NULL) |
3326 | { | |
487e54f2 | 3327 | bfd_ardata (abfd) = tdata_hold; |
252b5132 RH |
3328 | return (const bfd_target *) NULL; |
3329 | } | |
3330 | ||
3331 | bfd_ardata (abfd)->first_file_filepos = SARMAG; | |
3332 | bfd_ardata (abfd)->cache = NULL; | |
3333 | bfd_ardata (abfd)->archive_head = NULL; | |
3334 | bfd_ardata (abfd)->symdefs = NULL; | |
3335 | bfd_ardata (abfd)->extended_names = NULL; | |
3336 | bfd_ardata (abfd)->tdata = NULL; | |
1abaf976 | 3337 | |
82e51918 AM |
3338 | if (! _bfd_ecoff_slurp_armap (abfd) |
3339 | || ! _bfd_ecoff_slurp_extended_name_table (abfd)) | |
252b5132 RH |
3340 | { |
3341 | bfd_release (abfd, bfd_ardata (abfd)); | |
487e54f2 | 3342 | bfd_ardata (abfd) = tdata_hold; |
252b5132 RH |
3343 | return (const bfd_target *) NULL; |
3344 | } | |
1abaf976 | 3345 | |
252b5132 RH |
3346 | if (bfd_has_map (abfd)) |
3347 | { | |
3348 | bfd *first; | |
3349 | ||
3350 | /* This archive has a map, so we may presume that the contents | |
3351 | are object files. Make sure that if the first file in the | |
3352 | archive can be recognized as an object file, it is for this | |
3353 | target. If not, assume that this is the wrong format. If | |
3354 | the first file is not an object file, somebody is doing | |
3355 | something weird, and we permit it so that ar -t will work. */ | |
3356 | ||
3357 | first = bfd_openr_next_archived_file (abfd, (bfd *) NULL); | |
3358 | if (first != NULL) | |
3359 | { | |
b34976b6 | 3360 | first->target_defaulted = FALSE; |
252b5132 RH |
3361 | if (bfd_check_format (first, bfd_object) |
3362 | && first->xvec != abfd->xvec) | |
3363 | { | |
487e54f2 AM |
3364 | #if 0 |
3365 | /* We ought to close `first' here, but we can't, because | |
3366 | we have no way to remove it from the archive cache. | |
3367 | It's close to impossible to figure out when we can | |
3368 | release bfd_ardata. FIXME. */ | |
252b5132 RH |
3369 | (void) bfd_close (first); |
3370 | bfd_release (abfd, bfd_ardata (abfd)); | |
487e54f2 AM |
3371 | #endif |
3372 | bfd_set_error (bfd_error_wrong_object_format); | |
3373 | bfd_ardata (abfd) = tdata_hold; | |
252b5132 RH |
3374 | return NULL; |
3375 | } | |
487e54f2 | 3376 | /* And we ought to close `first' here too. */ |
252b5132 RH |
3377 | } |
3378 | } | |
3379 | ||
3380 | return abfd->xvec; | |
3381 | } | |
3382 | \f | |
3383 | /* ECOFF linker code. */ | |
3384 | ||
3385 | static struct bfd_hash_entry *ecoff_link_hash_newfunc | |
3386 | PARAMS ((struct bfd_hash_entry *entry, | |
3387 | struct bfd_hash_table *table, | |
3388 | const char *string)); | |
b34976b6 | 3389 | static bfd_boolean ecoff_link_add_archive_symbols |
252b5132 | 3390 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 AM |
3391 | static bfd_boolean ecoff_link_check_archive_element |
3392 | PARAMS ((bfd *, struct bfd_link_info *, bfd_boolean *pneeded)); | |
3393 | static bfd_boolean ecoff_link_add_object_symbols | |
252b5132 | 3394 | PARAMS ((bfd *, struct bfd_link_info *)); |
b34976b6 | 3395 | static bfd_boolean ecoff_link_add_externals |
252b5132 RH |
3396 | PARAMS ((bfd *, struct bfd_link_info *, PTR, char *)); |
3397 | ||
3398 | /* Routine to create an entry in an ECOFF link hash table. */ | |
3399 | ||
3400 | static struct bfd_hash_entry * | |
3401 | ecoff_link_hash_newfunc (entry, table, string) | |
3402 | struct bfd_hash_entry *entry; | |
3403 | struct bfd_hash_table *table; | |
3404 | const char *string; | |
3405 | { | |
3406 | struct ecoff_link_hash_entry *ret = (struct ecoff_link_hash_entry *) entry; | |
3407 | ||
3408 | /* Allocate the structure if it has not already been allocated by a | |
3409 | subclass. */ | |
3410 | if (ret == (struct ecoff_link_hash_entry *) NULL) | |
3411 | ret = ((struct ecoff_link_hash_entry *) | |
3412 | bfd_hash_allocate (table, sizeof (struct ecoff_link_hash_entry))); | |
3413 | if (ret == (struct ecoff_link_hash_entry *) NULL) | |
3414 | return NULL; | |
3415 | ||
3416 | /* Call the allocation method of the superclass. */ | |
3417 | ret = ((struct ecoff_link_hash_entry *) | |
3418 | _bfd_link_hash_newfunc ((struct bfd_hash_entry *) ret, | |
3419 | table, string)); | |
3420 | ||
3421 | if (ret) | |
3422 | { | |
3423 | /* Set local fields. */ | |
3424 | ret->indx = -1; | |
3425 | ret->abfd = NULL; | |
3426 | ret->written = 0; | |
3427 | ret->small = 0; | |
3428 | } | |
3429 | memset ((PTR) &ret->esym, 0, sizeof ret->esym); | |
3430 | ||
3431 | return (struct bfd_hash_entry *) ret; | |
3432 | } | |
3433 | ||
3434 | /* Create an ECOFF link hash table. */ | |
3435 | ||
3436 | struct bfd_link_hash_table * | |
3437 | _bfd_ecoff_bfd_link_hash_table_create (abfd) | |
3438 | bfd *abfd; | |
3439 | { | |
3440 | struct ecoff_link_hash_table *ret; | |
dc810e39 | 3441 | bfd_size_type amt = sizeof (struct ecoff_link_hash_table); |
252b5132 | 3442 | |
e2d34d7d | 3443 | ret = (struct ecoff_link_hash_table *) bfd_malloc (amt); |
252b5132 RH |
3444 | if (ret == NULL) |
3445 | return NULL; | |
3446 | if (! _bfd_link_hash_table_init (&ret->root, abfd, | |
3447 | ecoff_link_hash_newfunc)) | |
3448 | { | |
3449 | free (ret); | |
3450 | return (struct bfd_link_hash_table *) NULL; | |
3451 | } | |
3452 | return &ret->root; | |
3453 | } | |
3454 | ||
3455 | /* Look up an entry in an ECOFF link hash table. */ | |
3456 | ||
3457 | #define ecoff_link_hash_lookup(table, string, create, copy, follow) \ | |
3458 | ((struct ecoff_link_hash_entry *) \ | |
3459 | bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow))) | |
3460 | ||
3461 | /* Traverse an ECOFF link hash table. */ | |
3462 | ||
3463 | #define ecoff_link_hash_traverse(table, func, info) \ | |
3464 | (bfd_link_hash_traverse \ | |
3465 | (&(table)->root, \ | |
b34976b6 | 3466 | (bfd_boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \ |
252b5132 RH |
3467 | (info))) |
3468 | ||
3469 | /* Get the ECOFF link hash table from the info structure. This is | |
3470 | just a cast. */ | |
3471 | ||
3472 | #define ecoff_hash_table(p) ((struct ecoff_link_hash_table *) ((p)->hash)) | |
3473 | ||
3474 | /* Given an ECOFF BFD, add symbols to the global hash table as | |
3475 | appropriate. */ | |
3476 | ||
b34976b6 | 3477 | bfd_boolean |
252b5132 RH |
3478 | _bfd_ecoff_bfd_link_add_symbols (abfd, info) |
3479 | bfd *abfd; | |
3480 | struct bfd_link_info *info; | |
3481 | { | |
3482 | switch (bfd_get_format (abfd)) | |
3483 | { | |
3484 | case bfd_object: | |
3485 | return ecoff_link_add_object_symbols (abfd, info); | |
3486 | case bfd_archive: | |
3487 | return ecoff_link_add_archive_symbols (abfd, info); | |
3488 | default: | |
3489 | bfd_set_error (bfd_error_wrong_format); | |
b34976b6 | 3490 | return FALSE; |
252b5132 RH |
3491 | } |
3492 | } | |
3493 | ||
3494 | /* Add the symbols from an archive file to the global hash table. | |
3495 | This looks through the undefined symbols, looks each one up in the | |
3496 | archive hash table, and adds any associated object file. We do not | |
3497 | use _bfd_generic_link_add_archive_symbols because ECOFF archives | |
3498 | already have a hash table, so there is no reason to construct | |
3499 | another one. */ | |
3500 | ||
b34976b6 | 3501 | static bfd_boolean |
252b5132 RH |
3502 | ecoff_link_add_archive_symbols (abfd, info) |
3503 | bfd *abfd; | |
3504 | struct bfd_link_info *info; | |
3505 | { | |
3506 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
3507 | const bfd_byte *raw_armap; | |
3508 | struct bfd_link_hash_entry **pundef; | |
3509 | unsigned int armap_count; | |
3510 | unsigned int armap_log; | |
3511 | unsigned int i; | |
3512 | const bfd_byte *hashtable; | |
3513 | const char *stringbase; | |
3514 | ||
3515 | if (! bfd_has_map (abfd)) | |
3516 | { | |
3517 | /* An empty archive is a special case. */ | |
3518 | if (bfd_openr_next_archived_file (abfd, (bfd *) NULL) == NULL) | |
b34976b6 | 3519 | return TRUE; |
252b5132 | 3520 | bfd_set_error (bfd_error_no_armap); |
b34976b6 | 3521 | return FALSE; |
252b5132 RH |
3522 | } |
3523 | ||
3524 | /* If we don't have any raw data for this archive, as can happen on | |
3525 | Irix 4.0.5F, we call the generic routine. | |
3526 | FIXME: We should be more clever about this, since someday tdata | |
3527 | may get to something for a generic archive. */ | |
3528 | raw_armap = (const bfd_byte *) bfd_ardata (abfd)->tdata; | |
3529 | if (raw_armap == (bfd_byte *) NULL) | |
3530 | return (_bfd_generic_link_add_archive_symbols | |
3531 | (abfd, info, ecoff_link_check_archive_element)); | |
3532 | ||
dc810e39 | 3533 | armap_count = H_GET_32 (abfd, raw_armap); |
252b5132 RH |
3534 | |
3535 | armap_log = 0; | |
3536 | for (i = 1; i < armap_count; i <<= 1) | |
3537 | armap_log++; | |
3538 | BFD_ASSERT (i == armap_count); | |
3539 | ||
3540 | hashtable = raw_armap + 4; | |
3541 | stringbase = (const char *) raw_armap + armap_count * 8 + 8; | |
3542 | ||
3543 | /* Look through the list of undefined symbols. */ | |
3544 | pundef = &info->hash->undefs; | |
3545 | while (*pundef != (struct bfd_link_hash_entry *) NULL) | |
3546 | { | |
3547 | struct bfd_link_hash_entry *h; | |
3548 | unsigned int hash, rehash; | |
3549 | unsigned int file_offset; | |
3550 | const char *name; | |
3551 | bfd *element; | |
3552 | ||
3553 | h = *pundef; | |
3554 | ||
3555 | /* When a symbol is defined, it is not necessarily removed from | |
3556 | the list. */ | |
3557 | if (h->type != bfd_link_hash_undefined | |
3558 | && h->type != bfd_link_hash_common) | |
3559 | { | |
3560 | /* Remove this entry from the list, for general cleanliness | |
3561 | and because we are going to look through the list again | |
3562 | if we search any more libraries. We can't remove the | |
3563 | entry if it is the tail, because that would lose any | |
3564 | entries we add to the list later on. */ | |
3565 | if (*pundef != info->hash->undefs_tail) | |
f6e332e6 | 3566 | *pundef = (*pundef)->u.undef.next; |
252b5132 | 3567 | else |
f6e332e6 | 3568 | pundef = &(*pundef)->u.undef.next; |
252b5132 RH |
3569 | continue; |
3570 | } | |
3571 | ||
3572 | /* Native ECOFF linkers do not pull in archive elements merely | |
3573 | to satisfy common definitions, so neither do we. We leave | |
3574 | them on the list, though, in case we are linking against some | |
3575 | other object format. */ | |
3576 | if (h->type != bfd_link_hash_undefined) | |
3577 | { | |
f6e332e6 | 3578 | pundef = &(*pundef)->u.undef.next; |
252b5132 RH |
3579 | continue; |
3580 | } | |
3581 | ||
3582 | /* Look for this symbol in the archive hash table. */ | |
3583 | hash = ecoff_armap_hash (h->root.string, &rehash, armap_count, | |
3584 | armap_log); | |
3585 | ||
dc810e39 | 3586 | file_offset = H_GET_32 (abfd, hashtable + (hash * 8) + 4); |
252b5132 RH |
3587 | if (file_offset == 0) |
3588 | { | |
3589 | /* Nothing in this slot. */ | |
f6e332e6 | 3590 | pundef = &(*pundef)->u.undef.next; |
252b5132 RH |
3591 | continue; |
3592 | } | |
3593 | ||
dc810e39 | 3594 | name = stringbase + H_GET_32 (abfd, hashtable + (hash * 8)); |
252b5132 RH |
3595 | if (name[0] != h->root.string[0] |
3596 | || strcmp (name, h->root.string) != 0) | |
3597 | { | |
3598 | unsigned int srch; | |
b34976b6 | 3599 | bfd_boolean found; |
252b5132 RH |
3600 | |
3601 | /* That was the wrong symbol. Try rehashing. */ | |
b34976b6 | 3602 | found = FALSE; |
252b5132 RH |
3603 | for (srch = (hash + rehash) & (armap_count - 1); |
3604 | srch != hash; | |
3605 | srch = (srch + rehash) & (armap_count - 1)) | |
3606 | { | |
dc810e39 | 3607 | file_offset = H_GET_32 (abfd, hashtable + (srch * 8) + 4); |
252b5132 RH |
3608 | if (file_offset == 0) |
3609 | break; | |
dc810e39 | 3610 | name = stringbase + H_GET_32 (abfd, hashtable + (srch * 8)); |
252b5132 RH |
3611 | if (name[0] == h->root.string[0] |
3612 | && strcmp (name, h->root.string) == 0) | |
3613 | { | |
b34976b6 | 3614 | found = TRUE; |
252b5132 RH |
3615 | break; |
3616 | } | |
3617 | } | |
3618 | ||
3619 | if (! found) | |
3620 | { | |
f6e332e6 | 3621 | pundef = &(*pundef)->u.undef.next; |
252b5132 RH |
3622 | continue; |
3623 | } | |
3624 | ||
3625 | hash = srch; | |
3626 | } | |
3627 | ||
dc810e39 | 3628 | element = (*backend->get_elt_at_filepos) (abfd, (file_ptr) file_offset); |
252b5132 | 3629 | if (element == (bfd *) NULL) |
b34976b6 | 3630 | return FALSE; |
252b5132 RH |
3631 | |
3632 | if (! bfd_check_format (element, bfd_object)) | |
b34976b6 | 3633 | return FALSE; |
252b5132 RH |
3634 | |
3635 | /* Unlike the generic linker, we know that this element provides | |
3636 | a definition for an undefined symbol and we know that we want | |
3637 | to include it. We don't need to check anything. */ | |
3638 | if (! (*info->callbacks->add_archive_element) (info, element, name)) | |
b34976b6 | 3639 | return FALSE; |
252b5132 | 3640 | if (! ecoff_link_add_object_symbols (element, info)) |
b34976b6 | 3641 | return FALSE; |
252b5132 | 3642 | |
f6e332e6 | 3643 | pundef = &(*pundef)->u.undef.next; |
252b5132 RH |
3644 | } |
3645 | ||
b34976b6 | 3646 | return TRUE; |
252b5132 RH |
3647 | } |
3648 | ||
3649 | /* This is called if we used _bfd_generic_link_add_archive_symbols | |
3650 | because we were not dealing with an ECOFF archive. */ | |
3651 | ||
b34976b6 | 3652 | static bfd_boolean |
252b5132 RH |
3653 | ecoff_link_check_archive_element (abfd, info, pneeded) |
3654 | bfd *abfd; | |
3655 | struct bfd_link_info *info; | |
b34976b6 | 3656 | bfd_boolean *pneeded; |
252b5132 RH |
3657 | { |
3658 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
3659 | void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *)) | |
3660 | = backend->debug_swap.swap_ext_in; | |
3661 | HDRR *symhdr; | |
3662 | bfd_size_type external_ext_size; | |
3663 | PTR external_ext = NULL; | |
dc810e39 | 3664 | bfd_size_type esize; |
252b5132 RH |
3665 | char *ssext = NULL; |
3666 | char *ext_ptr; | |
3667 | char *ext_end; | |
3668 | ||
b34976b6 | 3669 | *pneeded = FALSE; |
252b5132 RH |
3670 | |
3671 | if (! ecoff_slurp_symbolic_header (abfd)) | |
3672 | goto error_return; | |
3673 | ||
3674 | /* If there are no symbols, we don't want it. */ | |
3675 | if (bfd_get_symcount (abfd) == 0) | |
3676 | goto successful_return; | |
3677 | ||
3678 | symhdr = &ecoff_data (abfd)->debug_info.symbolic_header; | |
3679 | ||
3680 | /* Read in the external symbols and external strings. */ | |
3681 | external_ext_size = backend->debug_swap.external_ext_size; | |
3682 | esize = symhdr->iextMax * external_ext_size; | |
3683 | external_ext = (PTR) bfd_malloc (esize); | |
3684 | if (external_ext == NULL && esize != 0) | |
3685 | goto error_return; | |
3686 | ||
dc810e39 AM |
3687 | if (bfd_seek (abfd, (file_ptr) symhdr->cbExtOffset, SEEK_SET) != 0 |
3688 | || bfd_bread (external_ext, esize, abfd) != esize) | |
252b5132 RH |
3689 | goto error_return; |
3690 | ||
dc810e39 | 3691 | ssext = (char *) bfd_malloc ((bfd_size_type) symhdr->issExtMax); |
252b5132 RH |
3692 | if (ssext == NULL && symhdr->issExtMax != 0) |
3693 | goto error_return; | |
3694 | ||
dc810e39 AM |
3695 | if (bfd_seek (abfd, (file_ptr) symhdr->cbSsExtOffset, SEEK_SET) != 0 |
3696 | || (bfd_bread (ssext, (bfd_size_type) symhdr->issExtMax, abfd) | |
3697 | != (bfd_size_type) symhdr->issExtMax)) | |
252b5132 RH |
3698 | goto error_return; |
3699 | ||
3700 | /* Look through the external symbols to see if they define some | |
3701 | symbol that is currently undefined. */ | |
3702 | ext_ptr = (char *) external_ext; | |
3703 | ext_end = ext_ptr + esize; | |
3704 | for (; ext_ptr < ext_end; ext_ptr += external_ext_size) | |
3705 | { | |
3706 | EXTR esym; | |
b34976b6 | 3707 | bfd_boolean def; |
252b5132 RH |
3708 | const char *name; |
3709 | struct bfd_link_hash_entry *h; | |
3710 | ||
3711 | (*swap_ext_in) (abfd, (PTR) ext_ptr, &esym); | |
3712 | ||
3713 | /* See if this symbol defines something. */ | |
3714 | if (esym.asym.st != stGlobal | |
3715 | && esym.asym.st != stLabel | |
3716 | && esym.asym.st != stProc) | |
3717 | continue; | |
3718 | ||
3719 | switch (esym.asym.sc) | |
3720 | { | |
3721 | case scText: | |
3722 | case scData: | |
3723 | case scBss: | |
3724 | case scAbs: | |
3725 | case scSData: | |
3726 | case scSBss: | |
3727 | case scRData: | |
3728 | case scCommon: | |
3729 | case scSCommon: | |
3730 | case scInit: | |
3731 | case scFini: | |
3732 | case scRConst: | |
b34976b6 | 3733 | def = TRUE; |
252b5132 RH |
3734 | break; |
3735 | default: | |
b34976b6 | 3736 | def = FALSE; |
252b5132 RH |
3737 | break; |
3738 | } | |
3739 | ||
3740 | if (! def) | |
3741 | continue; | |
3742 | ||
3743 | name = ssext + esym.asym.iss; | |
b34976b6 | 3744 | h = bfd_link_hash_lookup (info->hash, name, FALSE, FALSE, TRUE); |
252b5132 RH |
3745 | |
3746 | /* Unlike the generic linker, we do not pull in elements because | |
3747 | of common symbols. */ | |
3748 | if (h == (struct bfd_link_hash_entry *) NULL | |
3749 | || h->type != bfd_link_hash_undefined) | |
3750 | continue; | |
3751 | ||
3752 | /* Include this element. */ | |
3753 | if (! (*info->callbacks->add_archive_element) (info, abfd, name)) | |
3754 | goto error_return; | |
3755 | if (! ecoff_link_add_externals (abfd, info, external_ext, ssext)) | |
3756 | goto error_return; | |
3757 | ||
b34976b6 | 3758 | *pneeded = TRUE; |
252b5132 RH |
3759 | goto successful_return; |
3760 | } | |
3761 | ||
3762 | successful_return: | |
3763 | if (external_ext != NULL) | |
3764 | free (external_ext); | |
3765 | if (ssext != NULL) | |
3766 | free (ssext); | |
b34976b6 | 3767 | return TRUE; |
252b5132 RH |
3768 | error_return: |
3769 | if (external_ext != NULL) | |
3770 | free (external_ext); | |
3771 | if (ssext != NULL) | |
3772 | free (ssext); | |
b34976b6 | 3773 | return FALSE; |
252b5132 RH |
3774 | } |
3775 | ||
3776 | /* Add symbols from an ECOFF object file to the global linker hash | |
3777 | table. */ | |
3778 | ||
b34976b6 | 3779 | static bfd_boolean |
252b5132 RH |
3780 | ecoff_link_add_object_symbols (abfd, info) |
3781 | bfd *abfd; | |
3782 | struct bfd_link_info *info; | |
3783 | { | |
3784 | HDRR *symhdr; | |
3785 | bfd_size_type external_ext_size; | |
3786 | PTR external_ext = NULL; | |
dc810e39 | 3787 | bfd_size_type esize; |
252b5132 | 3788 | char *ssext = NULL; |
b34976b6 | 3789 | bfd_boolean result; |
252b5132 RH |
3790 | |
3791 | if (! ecoff_slurp_symbolic_header (abfd)) | |
b34976b6 | 3792 | return FALSE; |
252b5132 RH |
3793 | |
3794 | /* If there are no symbols, we don't want it. */ | |
3795 | if (bfd_get_symcount (abfd) == 0) | |
b34976b6 | 3796 | return TRUE; |
252b5132 RH |
3797 | |
3798 | symhdr = &ecoff_data (abfd)->debug_info.symbolic_header; | |
3799 | ||
3800 | /* Read in the external symbols and external strings. */ | |
3801 | external_ext_size = ecoff_backend (abfd)->debug_swap.external_ext_size; | |
3802 | esize = symhdr->iextMax * external_ext_size; | |
3803 | external_ext = (PTR) bfd_malloc (esize); | |
3804 | if (external_ext == NULL && esize != 0) | |
3805 | goto error_return; | |
3806 | ||
dc810e39 AM |
3807 | if (bfd_seek (abfd, (file_ptr) symhdr->cbExtOffset, SEEK_SET) != 0 |
3808 | || bfd_bread (external_ext, esize, abfd) != esize) | |
252b5132 RH |
3809 | goto error_return; |
3810 | ||
dc810e39 | 3811 | ssext = (char *) bfd_malloc ((bfd_size_type) symhdr->issExtMax); |
252b5132 RH |
3812 | if (ssext == NULL && symhdr->issExtMax != 0) |
3813 | goto error_return; | |
3814 | ||
dc810e39 AM |
3815 | if (bfd_seek (abfd, (file_ptr) symhdr->cbSsExtOffset, SEEK_SET) != 0 |
3816 | || (bfd_bread (ssext, (bfd_size_type) symhdr->issExtMax, abfd) | |
252b5132 RH |
3817 | != (bfd_size_type) symhdr->issExtMax)) |
3818 | goto error_return; | |
3819 | ||
3820 | result = ecoff_link_add_externals (abfd, info, external_ext, ssext); | |
3821 | ||
3822 | if (ssext != NULL) | |
3823 | free (ssext); | |
3824 | if (external_ext != NULL) | |
3825 | free (external_ext); | |
3826 | return result; | |
3827 | ||
3828 | error_return: | |
3829 | if (ssext != NULL) | |
3830 | free (ssext); | |
3831 | if (external_ext != NULL) | |
3832 | free (external_ext); | |
b34976b6 | 3833 | return FALSE; |
252b5132 RH |
3834 | } |
3835 | ||
3836 | /* Add the external symbols of an object file to the global linker | |
3837 | hash table. The external symbols and strings we are passed are | |
3838 | just allocated on the stack, and will be discarded. We must | |
3839 | explicitly save any information we may need later on in the link. | |
3840 | We do not want to read the external symbol information again. */ | |
3841 | ||
b34976b6 | 3842 | static bfd_boolean |
252b5132 RH |
3843 | ecoff_link_add_externals (abfd, info, external_ext, ssext) |
3844 | bfd *abfd; | |
3845 | struct bfd_link_info *info; | |
3846 | PTR external_ext; | |
3847 | char *ssext; | |
3848 | { | |
3849 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
3850 | void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *)) | |
3851 | = backend->debug_swap.swap_ext_in; | |
3852 | bfd_size_type external_ext_size = backend->debug_swap.external_ext_size; | |
3853 | unsigned long ext_count; | |
14a793b2 | 3854 | struct bfd_link_hash_entry **sym_hash; |
252b5132 RH |
3855 | char *ext_ptr; |
3856 | char *ext_end; | |
dc810e39 | 3857 | bfd_size_type amt; |
252b5132 RH |
3858 | |
3859 | ext_count = ecoff_data (abfd)->debug_info.symbolic_header.iextMax; | |
3860 | ||
dc810e39 AM |
3861 | amt = ext_count; |
3862 | amt *= sizeof (struct bfd_link_hash_entry *); | |
14a793b2 | 3863 | sym_hash = (struct bfd_link_hash_entry **) bfd_alloc (abfd, amt); |
252b5132 | 3864 | if (!sym_hash) |
b34976b6 | 3865 | return FALSE; |
14a793b2 | 3866 | ecoff_data (abfd)->sym_hashes = (struct ecoff_link_hash_entry **) sym_hash; |
252b5132 RH |
3867 | |
3868 | ext_ptr = (char *) external_ext; | |
3869 | ext_end = ext_ptr + ext_count * external_ext_size; | |
3870 | for (; ext_ptr < ext_end; ext_ptr += external_ext_size, sym_hash++) | |
3871 | { | |
3872 | EXTR esym; | |
b34976b6 | 3873 | bfd_boolean skip; |
252b5132 RH |
3874 | bfd_vma value; |
3875 | asection *section; | |
3876 | const char *name; | |
3877 | struct ecoff_link_hash_entry *h; | |
3878 | ||
3879 | *sym_hash = NULL; | |
3880 | ||
3881 | (*swap_ext_in) (abfd, (PTR) ext_ptr, &esym); | |
3882 | ||
3883 | /* Skip debugging symbols. */ | |
b34976b6 | 3884 | skip = FALSE; |
252b5132 RH |
3885 | switch (esym.asym.st) |
3886 | { | |
3887 | case stGlobal: | |
3888 | case stStatic: | |
3889 | case stLabel: | |
3890 | case stProc: | |
3891 | case stStaticProc: | |
3892 | break; | |
3893 | default: | |
b34976b6 | 3894 | skip = TRUE; |
252b5132 RH |
3895 | break; |
3896 | } | |
3897 | ||
3898 | if (skip) | |
3899 | continue; | |
3900 | ||
3901 | /* Get the information for this symbol. */ | |
3902 | value = esym.asym.value; | |
3903 | switch (esym.asym.sc) | |
3904 | { | |
3905 | default: | |
3906 | case scNil: | |
3907 | case scRegister: | |
3908 | case scCdbLocal: | |
3909 | case scBits: | |
3910 | case scCdbSystem: | |
3911 | case scRegImage: | |
3912 | case scInfo: | |
3913 | case scUserStruct: | |
3914 | case scVar: | |
3915 | case scVarRegister: | |
3916 | case scVariant: | |
3917 | case scBasedVar: | |
3918 | case scXData: | |
3919 | case scPData: | |
3920 | section = NULL; | |
3921 | break; | |
3922 | case scText: | |
3923 | section = bfd_make_section_old_way (abfd, ".text"); | |
3924 | value -= section->vma; | |
3925 | break; | |
3926 | case scData: | |
3927 | section = bfd_make_section_old_way (abfd, ".data"); | |
3928 | value -= section->vma; | |
3929 | break; | |
3930 | case scBss: | |
3931 | section = bfd_make_section_old_way (abfd, ".bss"); | |
3932 | value -= section->vma; | |
3933 | break; | |
3934 | case scAbs: | |
3935 | section = bfd_abs_section_ptr; | |
3936 | break; | |
3937 | case scUndefined: | |
3938 | section = bfd_und_section_ptr; | |
3939 | break; | |
3940 | case scSData: | |
3941 | section = bfd_make_section_old_way (abfd, ".sdata"); | |
3942 | value -= section->vma; | |
3943 | break; | |
3944 | case scSBss: | |
3945 | section = bfd_make_section_old_way (abfd, ".sbss"); | |
3946 | value -= section->vma; | |
3947 | break; | |
3948 | case scRData: | |
3949 | section = bfd_make_section_old_way (abfd, ".rdata"); | |
3950 | value -= section->vma; | |
3951 | break; | |
3952 | case scCommon: | |
3953 | if (value > ecoff_data (abfd)->gp_size) | |
3954 | { | |
3955 | section = bfd_com_section_ptr; | |
3956 | break; | |
3957 | } | |
3958 | /* Fall through. */ | |
3959 | case scSCommon: | |
3960 | if (ecoff_scom_section.name == NULL) | |
3961 | { | |
3962 | /* Initialize the small common section. */ | |
3963 | ecoff_scom_section.name = SCOMMON; | |
3964 | ecoff_scom_section.flags = SEC_IS_COMMON; | |
3965 | ecoff_scom_section.output_section = &ecoff_scom_section; | |
3966 | ecoff_scom_section.symbol = &ecoff_scom_symbol; | |
3967 | ecoff_scom_section.symbol_ptr_ptr = &ecoff_scom_symbol_ptr; | |
3968 | ecoff_scom_symbol.name = SCOMMON; | |
3969 | ecoff_scom_symbol.flags = BSF_SECTION_SYM; | |
3970 | ecoff_scom_symbol.section = &ecoff_scom_section; | |
3971 | ecoff_scom_symbol_ptr = &ecoff_scom_symbol; | |
3972 | } | |
3973 | section = &ecoff_scom_section; | |
3974 | break; | |
3975 | case scSUndefined: | |
3976 | section = bfd_und_section_ptr; | |
3977 | break; | |
3978 | case scInit: | |
3979 | section = bfd_make_section_old_way (abfd, ".init"); | |
3980 | value -= section->vma; | |
3981 | break; | |
3982 | case scFini: | |
3983 | section = bfd_make_section_old_way (abfd, ".fini"); | |
3984 | value -= section->vma; | |
3985 | break; | |
3986 | case scRConst: | |
3987 | section = bfd_make_section_old_way (abfd, ".rconst"); | |
3988 | value -= section->vma; | |
3989 | break; | |
3990 | } | |
3991 | ||
3992 | if (section == (asection *) NULL) | |
3993 | continue; | |
3994 | ||
3995 | name = ssext + esym.asym.iss; | |
3996 | ||
252b5132 RH |
3997 | if (! (_bfd_generic_link_add_one_symbol |
3998 | (info, abfd, name, | |
dc810e39 | 3999 | (flagword) (esym.weakext ? BSF_WEAK : BSF_GLOBAL), |
b34976b6 AM |
4000 | section, value, (const char *) NULL, TRUE, TRUE, sym_hash))) |
4001 | return FALSE; | |
252b5132 | 4002 | |
14a793b2 | 4003 | h = (struct ecoff_link_hash_entry *) *sym_hash; |
252b5132 RH |
4004 | |
4005 | /* If we are building an ECOFF hash table, save the external | |
4006 | symbol information. */ | |
4007 | if (info->hash->creator->flavour == bfd_get_flavour (abfd)) | |
4008 | { | |
4009 | if (h->abfd == (bfd *) NULL | |
4010 | || (! bfd_is_und_section (section) | |
4011 | && (! bfd_is_com_section (section) | |
4012 | || (h->root.type != bfd_link_hash_defined | |
4013 | && h->root.type != bfd_link_hash_defweak)))) | |
4014 | { | |
4015 | h->abfd = abfd; | |
4016 | h->esym = esym; | |
4017 | } | |
4018 | ||
4019 | /* Remember whether this symbol was small undefined. */ | |
4020 | if (esym.asym.sc == scSUndefined) | |
4021 | h->small = 1; | |
4022 | ||
4023 | /* If this symbol was ever small undefined, it needs to wind | |
4024 | up in a GP relative section. We can't control the | |
4025 | section of a defined symbol, but we can control the | |
4026 | section of a common symbol. This case is actually needed | |
4027 | on Ultrix 4.2 to handle the symbol cred in -lckrb. */ | |
4028 | if (h->small | |
4029 | && h->root.type == bfd_link_hash_common | |
4030 | && strcmp (h->root.u.c.p->section->name, SCOMMON) != 0) | |
4031 | { | |
4032 | h->root.u.c.p->section = bfd_make_section_old_way (abfd, | |
4033 | SCOMMON); | |
4034 | h->root.u.c.p->section->flags = SEC_ALLOC; | |
4035 | if (h->esym.asym.sc == scCommon) | |
4036 | h->esym.asym.sc = scSCommon; | |
4037 | } | |
4038 | } | |
4039 | } | |
4040 | ||
b34976b6 | 4041 | return TRUE; |
252b5132 RH |
4042 | } |
4043 | \f | |
4044 | /* ECOFF final link routines. */ | |
4045 | ||
b34976b6 | 4046 | static bfd_boolean ecoff_final_link_debug_accumulate |
252b5132 RH |
4047 | PARAMS ((bfd *output_bfd, bfd *input_bfd, struct bfd_link_info *, |
4048 | PTR handle)); | |
b34976b6 | 4049 | static bfd_boolean ecoff_link_write_external |
252b5132 | 4050 | PARAMS ((struct ecoff_link_hash_entry *, PTR)); |
b34976b6 | 4051 | static bfd_boolean ecoff_indirect_link_order |
252b5132 RH |
4052 | PARAMS ((bfd *, struct bfd_link_info *, asection *, |
4053 | struct bfd_link_order *)); | |
b34976b6 | 4054 | static bfd_boolean ecoff_reloc_link_order |
252b5132 RH |
4055 | PARAMS ((bfd *, struct bfd_link_info *, asection *, |
4056 | struct bfd_link_order *)); | |
4057 | ||
4058 | /* Structure used to pass information to ecoff_link_write_external. */ | |
4059 | ||
4060 | struct extsym_info | |
4061 | { | |
4062 | bfd *abfd; | |
4063 | struct bfd_link_info *info; | |
4064 | }; | |
4065 | ||
4066 | /* ECOFF final link routine. This looks through all the input BFDs | |
4067 | and gathers together all the debugging information, and then | |
4068 | processes all the link order information. This may cause it to | |
4069 | close and reopen some input BFDs; I'll see how bad this is. */ | |
4070 | ||
b34976b6 | 4071 | bfd_boolean |
252b5132 RH |
4072 | _bfd_ecoff_bfd_final_link (abfd, info) |
4073 | bfd *abfd; | |
4074 | struct bfd_link_info *info; | |
4075 | { | |
4076 | const struct ecoff_backend_data * const backend = ecoff_backend (abfd); | |
4077 | struct ecoff_debug_info * const debug = &ecoff_data (abfd)->debug_info; | |
4078 | HDRR *symhdr; | |
4079 | PTR handle; | |
4080 | register bfd *input_bfd; | |
4081 | asection *o; | |
4082 | struct bfd_link_order *p; | |
4083 | struct extsym_info einfo; | |
4084 | ||
4085 | /* We accumulate the debugging information counts in the symbolic | |
4086 | header. */ | |
4087 | symhdr = &debug->symbolic_header; | |
4088 | symhdr->vstamp = 0; | |
4089 | symhdr->ilineMax = 0; | |
4090 | symhdr->cbLine = 0; | |
4091 | symhdr->idnMax = 0; | |
4092 | symhdr->ipdMax = 0; | |
4093 | symhdr->isymMax = 0; | |
4094 | symhdr->ioptMax = 0; | |
4095 | symhdr->iauxMax = 0; | |
4096 | symhdr->issMax = 0; | |
4097 | symhdr->issExtMax = 0; | |
4098 | symhdr->ifdMax = 0; | |
4099 | symhdr->crfd = 0; | |
4100 | symhdr->iextMax = 0; | |
4101 | ||
4102 | /* We accumulate the debugging information itself in the debug_info | |
4103 | structure. */ | |
4104 | debug->line = NULL; | |
4105 | debug->external_dnr = NULL; | |
4106 | debug->external_pdr = NULL; | |
4107 | debug->external_sym = NULL; | |
4108 | debug->external_opt = NULL; | |
4109 | debug->external_aux = NULL; | |
4110 | debug->ss = NULL; | |
4111 | debug->ssext = debug->ssext_end = NULL; | |
4112 | debug->external_fdr = NULL; | |
4113 | debug->external_rfd = NULL; | |
4114 | debug->external_ext = debug->external_ext_end = NULL; | |
4115 | ||
4116 | handle = bfd_ecoff_debug_init (abfd, debug, &backend->debug_swap, info); | |
4117 | if (handle == (PTR) NULL) | |
b34976b6 | 4118 | return FALSE; |
252b5132 RH |
4119 | |
4120 | /* Accumulate the debugging symbols from each input BFD. */ | |
4121 | for (input_bfd = info->input_bfds; | |
4122 | input_bfd != (bfd *) NULL; | |
4123 | input_bfd = input_bfd->link_next) | |
4124 | { | |
b34976b6 | 4125 | bfd_boolean ret; |
252b5132 RH |
4126 | |
4127 | if (bfd_get_flavour (input_bfd) == bfd_target_ecoff_flavour) | |
4128 | { | |
7dee875e | 4129 | /* Arbitrarily set the symbolic header vstamp to the vstamp |
252b5132 RH |
4130 | of the first object file in the link. */ |
4131 | if (symhdr->vstamp == 0) | |
4132 | symhdr->vstamp | |
4133 | = ecoff_data (input_bfd)->debug_info.symbolic_header.vstamp; | |
4134 | ret = ecoff_final_link_debug_accumulate (abfd, input_bfd, info, | |
4135 | handle); | |
4136 | } | |
4137 | else | |
4138 | ret = bfd_ecoff_debug_accumulate_other (handle, abfd, | |
4139 | debug, &backend->debug_swap, | |
4140 | input_bfd, info); | |
4141 | if (! ret) | |
b34976b6 | 4142 | return FALSE; |
252b5132 RH |
4143 | |
4144 | /* Combine the register masks. */ | |
4145 | ecoff_data (abfd)->gprmask |= ecoff_data (input_bfd)->gprmask; | |
4146 | ecoff_data (abfd)->fprmask |= ecoff_data (input_bfd)->fprmask; | |
4147 | ecoff_data (abfd)->cprmask[0] |= ecoff_data (input_bfd)->cprmask[0]; | |
4148 | ecoff_data (abfd)->cprmask[1] |= ecoff_data (input_bfd)->cprmask[1]; | |
4149 | ecoff_data (abfd)->cprmask[2] |= ecoff_data (input_bfd)->cprmask[2]; | |
4150 | ecoff_data (abfd)->cprmask[3] |= ecoff_data (input_bfd)->cprmask[3]; | |
4151 | } | |
4152 | ||
4153 | /* Write out the external symbols. */ | |
4154 | einfo.abfd = abfd; | |
4155 | einfo.info = info; | |
4156 | ecoff_link_hash_traverse (ecoff_hash_table (info), | |
4157 | ecoff_link_write_external, | |
4158 | (PTR) &einfo); | |
4159 | ||
1049f94e | 4160 | if (info->relocatable) |
252b5132 RH |
4161 | { |
4162 | /* We need to make a pass over the link_orders to count up the | |
4163 | number of relocations we will need to output, so that we know | |
4164 | how much space they will take up. */ | |
4165 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
4166 | { | |
4167 | o->reloc_count = 0; | |
4168 | for (p = o->link_order_head; | |
4169 | p != (struct bfd_link_order *) NULL; | |
4170 | p = p->next) | |
4171 | if (p->type == bfd_indirect_link_order) | |
4172 | o->reloc_count += p->u.indirect.section->reloc_count; | |
4173 | else if (p->type == bfd_section_reloc_link_order | |
4174 | || p->type == bfd_symbol_reloc_link_order) | |
4175 | ++o->reloc_count; | |
4176 | } | |
4177 | } | |
4178 | ||
4179 | /* Compute the reloc and symbol file positions. */ | |
4180 | ecoff_compute_reloc_file_positions (abfd); | |
4181 | ||
4182 | /* Write out the debugging information. */ | |
4183 | if (! bfd_ecoff_write_accumulated_debug (handle, abfd, debug, | |
4184 | &backend->debug_swap, info, | |
4185 | ecoff_data (abfd)->sym_filepos)) | |
b34976b6 | 4186 | return FALSE; |
252b5132 RH |
4187 | |
4188 | bfd_ecoff_debug_free (handle, abfd, debug, &backend->debug_swap, info); | |
4189 | ||
1049f94e | 4190 | if (info->relocatable) |
252b5132 RH |
4191 | { |
4192 | /* Now reset the reloc_count field of the sections in the output | |
4193 | BFD to 0, so that we can use them to keep track of how many | |
4194 | relocs we have output thus far. */ | |
4195 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
4196 | o->reloc_count = 0; | |
4197 | } | |
4198 | ||
4199 | /* Get a value for the GP register. */ | |
4200 | if (ecoff_data (abfd)->gp == 0) | |
4201 | { | |
4202 | struct bfd_link_hash_entry *h; | |
4203 | ||
b34976b6 | 4204 | h = bfd_link_hash_lookup (info->hash, "_gp", FALSE, FALSE, TRUE); |
252b5132 RH |
4205 | if (h != (struct bfd_link_hash_entry *) NULL |
4206 | && h->type == bfd_link_hash_defined) | |
4207 | ecoff_data (abfd)->gp = (h->u.def.value | |
4208 | + h->u.def.section->output_section->vma | |
4209 | + h->u.def.section->output_offset); | |
1049f94e | 4210 | else if (info->relocatable) |
252b5132 RH |
4211 | { |
4212 | bfd_vma lo; | |
4213 | ||
4214 | /* Make up a value. */ | |
4215 | lo = (bfd_vma) -1; | |
4216 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
4217 | { | |
4218 | if (o->vma < lo | |
4219 | && (strcmp (o->name, _SBSS) == 0 | |
4220 | || strcmp (o->name, _SDATA) == 0 | |
4221 | || strcmp (o->name, _LIT4) == 0 | |
4222 | || strcmp (o->name, _LIT8) == 0 | |
4223 | || strcmp (o->name, _LITA) == 0)) | |
4224 | lo = o->vma; | |
4225 | } | |
4226 | ecoff_data (abfd)->gp = lo + 0x8000; | |
4227 | } | |
4228 | else | |
4229 | { | |
4230 | /* If the relocate_section function needs to do a reloc | |
4231 | involving the GP value, it should make a reloc_dangerous | |
4232 | callback to warn that GP is not defined. */ | |
4233 | } | |
4234 | } | |
4235 | ||
4236 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
4237 | { | |
4238 | for (p = o->link_order_head; | |
4239 | p != (struct bfd_link_order *) NULL; | |
4240 | p = p->next) | |
4241 | { | |
4242 | if (p->type == bfd_indirect_link_order | |
4243 | && (bfd_get_flavour (p->u.indirect.section->owner) | |
4244 | == bfd_target_ecoff_flavour)) | |
4245 | { | |
4246 | if (! ecoff_indirect_link_order (abfd, info, o, p)) | |
b34976b6 | 4247 | return FALSE; |
252b5132 RH |
4248 | } |
4249 | else if (p->type == bfd_section_reloc_link_order | |
4250 | || p->type == bfd_symbol_reloc_link_order) | |
4251 | { | |
4252 | if (! ecoff_reloc_link_order (abfd, info, o, p)) | |
b34976b6 | 4253 | return FALSE; |
252b5132 RH |
4254 | } |
4255 | else | |
4256 | { | |
4257 | if (! _bfd_default_link_order (abfd, info, o, p)) | |
b34976b6 | 4258 | return FALSE; |
252b5132 RH |
4259 | } |
4260 | } | |
4261 | } | |
4262 | ||
4263 | bfd_get_symcount (abfd) = symhdr->iextMax + symhdr->isymMax; | |
4264 | ||
b34976b6 | 4265 | ecoff_data (abfd)->linker = TRUE; |
252b5132 | 4266 | |
b34976b6 | 4267 | return TRUE; |
252b5132 RH |
4268 | } |
4269 | ||
4270 | /* Accumulate the debugging information for an input BFD into the | |
4271 | output BFD. This must read in the symbolic information of the | |
4272 | input BFD. */ | |
4273 | ||
b34976b6 | 4274 | static bfd_boolean |
252b5132 RH |
4275 | ecoff_final_link_debug_accumulate (output_bfd, input_bfd, info, handle) |
4276 | bfd *output_bfd; | |
4277 | bfd *input_bfd; | |
4278 | struct bfd_link_info *info; | |
4279 | PTR handle; | |
4280 | { | |
4281 | struct ecoff_debug_info * const debug = &ecoff_data (input_bfd)->debug_info; | |
4282 | const struct ecoff_debug_swap * const swap = | |
4283 | &ecoff_backend (input_bfd)->debug_swap; | |
4284 | HDRR *symhdr = &debug->symbolic_header; | |
b34976b6 | 4285 | bfd_boolean ret; |
252b5132 | 4286 | |
dc810e39 AM |
4287 | #define READ(ptr, offset, count, size, type) \ |
4288 | if (symhdr->count == 0) \ | |
4289 | debug->ptr = NULL; \ | |
4290 | else \ | |
4291 | { \ | |
4292 | bfd_size_type amt = (bfd_size_type) size * symhdr->count; \ | |
4293 | debug->ptr = (type) bfd_malloc (amt); \ | |
4294 | if (debug->ptr == NULL) \ | |
4295 | { \ | |
b34976b6 | 4296 | ret = FALSE; \ |
dc810e39 AM |
4297 | goto return_something; \ |
4298 | } \ | |
4299 | if (bfd_seek (input_bfd, (file_ptr) symhdr->offset, SEEK_SET) != 0 \ | |
4300 | || bfd_bread (debug->ptr, amt, input_bfd) != amt) \ | |
4301 | { \ | |
b34976b6 | 4302 | ret = FALSE; \ |
dc810e39 AM |
4303 | goto return_something; \ |
4304 | } \ | |
252b5132 RH |
4305 | } |
4306 | ||
4307 | /* If raw_syments is not NULL, then the data was already by read by | |
4308 | _bfd_ecoff_slurp_symbolic_info. */ | |
4309 | if (ecoff_data (input_bfd)->raw_syments == NULL) | |
4310 | { | |
4311 | READ (line, cbLineOffset, cbLine, sizeof (unsigned char), | |
4312 | unsigned char *); | |
4313 | READ (external_dnr, cbDnOffset, idnMax, swap->external_dnr_size, PTR); | |
4314 | READ (external_pdr, cbPdOffset, ipdMax, swap->external_pdr_size, PTR); | |
4315 | READ (external_sym, cbSymOffset, isymMax, swap->external_sym_size, PTR); | |
4316 | READ (external_opt, cbOptOffset, ioptMax, swap->external_opt_size, PTR); | |
4317 | READ (external_aux, cbAuxOffset, iauxMax, sizeof (union aux_ext), | |
4318 | union aux_ext *); | |
4319 | READ (ss, cbSsOffset, issMax, sizeof (char), char *); | |
4320 | READ (external_fdr, cbFdOffset, ifdMax, swap->external_fdr_size, PTR); | |
4321 | READ (external_rfd, cbRfdOffset, crfd, swap->external_rfd_size, PTR); | |
4322 | } | |
4323 | #undef READ | |
4324 | ||
4325 | /* We do not read the external strings or the external symbols. */ | |
4326 | ||
4327 | ret = (bfd_ecoff_debug_accumulate | |
4328 | (handle, output_bfd, &ecoff_data (output_bfd)->debug_info, | |
4329 | &ecoff_backend (output_bfd)->debug_swap, | |
4330 | input_bfd, debug, swap, info)); | |
4331 | ||
4332 | return_something: | |
4333 | if (ecoff_data (input_bfd)->raw_syments == NULL) | |
4334 | { | |
4335 | if (debug->line != NULL) | |
4336 | free (debug->line); | |
4337 | if (debug->external_dnr != NULL) | |
4338 | free (debug->external_dnr); | |
4339 | if (debug->external_pdr != NULL) | |
4340 | free (debug->external_pdr); | |
4341 | if (debug->external_sym != NULL) | |
4342 | free (debug->external_sym); | |
4343 | if (debug->external_opt != NULL) | |
4344 | free (debug->external_opt); | |
4345 | if (debug->external_aux != NULL) | |
4346 | free (debug->external_aux); | |
4347 | if (debug->ss != NULL) | |
4348 | free (debug->ss); | |
4349 | if (debug->external_fdr != NULL) | |
4350 | free (debug->external_fdr); | |
4351 | if (debug->external_rfd != NULL) | |
4352 | free (debug->external_rfd); | |
4353 | ||
4354 | /* Make sure we don't accidentally follow one of these pointers | |
4355 | into freed memory. */ | |
4356 | debug->line = NULL; | |
4357 | debug->external_dnr = NULL; | |
4358 | debug->external_pdr = NULL; | |
4359 | debug->external_sym = NULL; | |
4360 | debug->external_opt = NULL; | |
4361 | debug->external_aux = NULL; | |
4362 | debug->ss = NULL; | |
4363 | debug->external_fdr = NULL; | |
4364 | debug->external_rfd = NULL; | |
4365 | } | |
4366 | ||
4367 | return ret; | |
4368 | } | |
4369 | ||
4370 | /* Put out information for an external symbol. These come only from | |
4371 | the hash table. */ | |
4372 | ||
b34976b6 | 4373 | static bfd_boolean |
252b5132 RH |
4374 | ecoff_link_write_external (h, data) |
4375 | struct ecoff_link_hash_entry *h; | |
4376 | PTR data; | |
4377 | { | |
4378 | struct extsym_info *einfo = (struct extsym_info *) data; | |
4379 | bfd *output_bfd = einfo->abfd; | |
b34976b6 | 4380 | bfd_boolean strip; |
252b5132 | 4381 | |
e92d460e AM |
4382 | if (h->root.type == bfd_link_hash_warning) |
4383 | { | |
4384 | h = (struct ecoff_link_hash_entry *) h->root.u.i.link; | |
4385 | if (h->root.type == bfd_link_hash_new) | |
b34976b6 | 4386 | return TRUE; |
e92d460e AM |
4387 | } |
4388 | ||
1abaf976 | 4389 | /* We need to check if this symbol is being stripped. */ |
252b5132 RH |
4390 | if (h->root.type == bfd_link_hash_undefined |
4391 | || h->root.type == bfd_link_hash_undefweak) | |
b34976b6 | 4392 | strip = FALSE; |
252b5132 RH |
4393 | else if (einfo->info->strip == strip_all |
4394 | || (einfo->info->strip == strip_some | |
4395 | && bfd_hash_lookup (einfo->info->keep_hash, | |
4396 | h->root.root.string, | |
b34976b6 AM |
4397 | FALSE, FALSE) == NULL)) |
4398 | strip = TRUE; | |
252b5132 | 4399 | else |
b34976b6 | 4400 | strip = FALSE; |
252b5132 RH |
4401 | |
4402 | if (strip || h->written) | |
b34976b6 | 4403 | return TRUE; |
252b5132 RH |
4404 | |
4405 | if (h->abfd == (bfd *) NULL) | |
4406 | { | |
4407 | h->esym.jmptbl = 0; | |
4408 | h->esym.cobol_main = 0; | |
4409 | h->esym.weakext = 0; | |
4410 | h->esym.reserved = 0; | |
4411 | h->esym.ifd = ifdNil; | |
4412 | h->esym.asym.value = 0; | |
4413 | h->esym.asym.st = stGlobal; | |
4414 | ||
4415 | if (h->root.type != bfd_link_hash_defined | |
4416 | && h->root.type != bfd_link_hash_defweak) | |
4417 | h->esym.asym.sc = scAbs; | |
4418 | else | |
4419 | { | |
4420 | asection *output_section; | |
4421 | const char *name; | |
4422 | ||
4423 | output_section = h->root.u.def.section->output_section; | |
4424 | name = bfd_section_name (output_section->owner, output_section); | |
1abaf976 | 4425 | |
252b5132 RH |
4426 | if (strcmp (name, _TEXT) == 0) |
4427 | h->esym.asym.sc = scText; | |
4428 | else if (strcmp (name, _DATA) == 0) | |
4429 | h->esym.asym.sc = scData; | |
4430 | else if (strcmp (name, _SDATA) == 0) | |
4431 | h->esym.asym.sc = scSData; | |
4432 | else if (strcmp (name, _RDATA) == 0) | |
4433 | h->esym.asym.sc = scRData; | |
4434 | else if (strcmp (name, _BSS) == 0) | |
4435 | h->esym.asym.sc = scBss; | |
4436 | else if (strcmp (name, _SBSS) == 0) | |
4437 | h->esym.asym.sc = scSBss; | |
4438 | else if (strcmp (name, _INIT) == 0) | |
4439 | h->esym.asym.sc = scInit; | |
4440 | else if (strcmp (name, _FINI) == 0) | |
4441 | h->esym.asym.sc = scFini; | |
4442 | else if (strcmp (name, _PDATA) == 0) | |
4443 | h->esym.asym.sc = scPData; | |
4444 | else if (strcmp (name, _XDATA) == 0) | |
4445 | h->esym.asym.sc = scXData; | |
4446 | else if (strcmp (name, _RCONST) == 0) | |
4447 | h->esym.asym.sc = scRConst; | |
4448 | else | |
4449 | h->esym.asym.sc = scAbs; | |
4450 | } | |
4451 | ||
4452 | h->esym.asym.reserved = 0; | |
4453 | h->esym.asym.index = indexNil; | |
4454 | } | |
4455 | else if (h->esym.ifd != -1) | |
4456 | { | |
4457 | struct ecoff_debug_info *debug; | |
4458 | ||
4459 | /* Adjust the FDR index for the symbol by that used for the | |
4460 | input BFD. */ | |
4461 | debug = &ecoff_data (h->abfd)->debug_info; | |
4462 | BFD_ASSERT (h->esym.ifd >= 0 | |
4463 | && h->esym.ifd < debug->symbolic_header.ifdMax); | |
4464 | h->esym.ifd = debug->ifdmap[h->esym.ifd]; | |
4465 | } | |
4466 | ||
4467 | switch (h->root.type) | |
4468 | { | |
4469 | default: | |
e92d460e | 4470 | case bfd_link_hash_warning: |
252b5132 RH |
4471 | case bfd_link_hash_new: |
4472 | abort (); | |
4473 | case bfd_link_hash_undefined: | |
4474 | case bfd_link_hash_undefweak: | |
4475 | if (h->esym.asym.sc != scUndefined | |
4476 | && h->esym.asym.sc != scSUndefined) | |
4477 | h->esym.asym.sc = scUndefined; | |
4478 | break; | |
4479 | case bfd_link_hash_defined: | |
4480 | case bfd_link_hash_defweak: | |
4481 | if (h->esym.asym.sc == scUndefined | |
4482 | || h->esym.asym.sc == scSUndefined) | |
4483 | h->esym.asym.sc = scAbs; | |
4484 | else if (h->esym.asym.sc == scCommon) | |
4485 | h->esym.asym.sc = scBss; | |
4486 | else if (h->esym.asym.sc == scSCommon) | |
4487 | h->esym.asym.sc = scSBss; | |
4488 | h->esym.asym.value = (h->root.u.def.value | |
4489 | + h->root.u.def.section->output_section->vma | |
4490 | + h->root.u.def.section->output_offset); | |
4491 | break; | |
4492 | case bfd_link_hash_common: | |
4493 | if (h->esym.asym.sc != scCommon | |
4494 | && h->esym.asym.sc != scSCommon) | |
4495 | h->esym.asym.sc = scCommon; | |
4496 | h->esym.asym.value = h->root.u.c.size; | |
4497 | break; | |
4498 | case bfd_link_hash_indirect: | |
e92d460e AM |
4499 | /* We ignore these symbols, since the indirected symbol is |
4500 | already in the hash table. */ | |
b34976b6 | 4501 | return TRUE; |
252b5132 RH |
4502 | } |
4503 | ||
4504 | /* bfd_ecoff_debug_one_external uses iextMax to keep track of the | |
4505 | symbol number. */ | |
4506 | h->indx = ecoff_data (output_bfd)->debug_info.symbolic_header.iextMax; | |
4507 | h->written = 1; | |
4508 | ||
4509 | return (bfd_ecoff_debug_one_external | |
4510 | (output_bfd, &ecoff_data (output_bfd)->debug_info, | |
4511 | &ecoff_backend (output_bfd)->debug_swap, h->root.root.string, | |
4512 | &h->esym)); | |
4513 | } | |
4514 | ||
4515 | /* Relocate and write an ECOFF section into an ECOFF output file. */ | |
4516 | ||
b34976b6 | 4517 | static bfd_boolean |
252b5132 RH |
4518 | ecoff_indirect_link_order (output_bfd, info, output_section, link_order) |
4519 | bfd *output_bfd; | |
4520 | struct bfd_link_info *info; | |
4521 | asection *output_section; | |
4522 | struct bfd_link_order *link_order; | |
4523 | { | |
4524 | asection *input_section; | |
4525 | bfd *input_bfd; | |
252b5132 RH |
4526 | bfd_byte *contents = NULL; |
4527 | bfd_size_type external_reloc_size; | |
4528 | bfd_size_type external_relocs_size; | |
4529 | PTR external_relocs = NULL; | |
4530 | ||
4531 | BFD_ASSERT ((output_section->flags & SEC_HAS_CONTENTS) != 0); | |
4532 | ||
4533 | if (link_order->size == 0) | |
b34976b6 | 4534 | return TRUE; |
252b5132 RH |
4535 | |
4536 | input_section = link_order->u.indirect.section; | |
4537 | input_bfd = input_section->owner; | |
252b5132 | 4538 | |
252b5132 RH |
4539 | BFD_ASSERT (input_section->output_section == output_section); |
4540 | BFD_ASSERT (input_section->output_offset == link_order->offset); | |
eea6121a | 4541 | BFD_ASSERT (input_section->size == link_order->size); |
252b5132 | 4542 | |
eea6121a AM |
4543 | /* Get the section contents. */ |
4544 | if (!bfd_malloc_and_get_section (input_bfd, input_section, &contents)) | |
3e27568f | 4545 | goto error_return; |
252b5132 RH |
4546 | |
4547 | /* Get the relocs. If we are relaxing MIPS code, they will already | |
4548 | have been read in. Otherwise, we read them in now. */ | |
4549 | external_reloc_size = ecoff_backend (input_bfd)->external_reloc_size; | |
4550 | external_relocs_size = external_reloc_size * input_section->reloc_count; | |
4551 | ||
3e27568f CD |
4552 | external_relocs = (PTR) bfd_malloc (external_relocs_size); |
4553 | if (external_relocs == NULL && external_relocs_size != 0) | |
4554 | goto error_return; | |
252b5132 | 4555 | |
3e27568f CD |
4556 | if (bfd_seek (input_bfd, input_section->rel_filepos, SEEK_SET) != 0 |
4557 | || (bfd_bread (external_relocs, external_relocs_size, input_bfd) | |
4558 | != external_relocs_size)) | |
4559 | goto error_return; | |
252b5132 RH |
4560 | |
4561 | /* Relocate the section contents. */ | |
4562 | if (! ((*ecoff_backend (input_bfd)->relocate_section) | |
4563 | (output_bfd, info, input_bfd, input_section, contents, | |
4564 | external_relocs))) | |
4565 | goto error_return; | |
4566 | ||
4567 | /* Write out the relocated section. */ | |
4568 | if (! bfd_set_section_contents (output_bfd, | |
4569 | output_section, | |
eea6121a AM |
4570 | contents, |
4571 | input_section->output_offset, | |
4572 | input_section->size)) | |
252b5132 RH |
4573 | goto error_return; |
4574 | ||
1049f94e | 4575 | /* If we are producing relocatable output, the relocs were |
252b5132 RH |
4576 | modified, and we write them out now. We use the reloc_count |
4577 | field of output_section to keep track of the number of relocs we | |
4578 | have output so far. */ | |
1049f94e | 4579 | if (info->relocatable) |
252b5132 | 4580 | { |
dc810e39 AM |
4581 | file_ptr pos = (output_section->rel_filepos |
4582 | + output_section->reloc_count * external_reloc_size); | |
4583 | if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 | |
4584 | || (bfd_bwrite (external_relocs, external_relocs_size, output_bfd) | |
252b5132 RH |
4585 | != external_relocs_size)) |
4586 | goto error_return; | |
4587 | output_section->reloc_count += input_section->reloc_count; | |
4588 | } | |
4589 | ||
4590 | if (contents != NULL) | |
4591 | free (contents); | |
3e27568f | 4592 | if (external_relocs != NULL) |
252b5132 | 4593 | free (external_relocs); |
b34976b6 | 4594 | return TRUE; |
252b5132 RH |
4595 | |
4596 | error_return: | |
4597 | if (contents != NULL) | |
4598 | free (contents); | |
3e27568f | 4599 | if (external_relocs != NULL) |
252b5132 | 4600 | free (external_relocs); |
b34976b6 | 4601 | return FALSE; |
252b5132 RH |
4602 | } |
4603 | ||
4604 | /* Generate a reloc when linking an ECOFF file. This is a reloc | |
4605 | requested by the linker, and does come from any input file. This | |
4606 | is used to build constructor and destructor tables when linking | |
4607 | with -Ur. */ | |
4608 | ||
b34976b6 | 4609 | static bfd_boolean |
252b5132 RH |
4610 | ecoff_reloc_link_order (output_bfd, info, output_section, link_order) |
4611 | bfd *output_bfd; | |
4612 | struct bfd_link_info *info; | |
4613 | asection *output_section; | |
4614 | struct bfd_link_order *link_order; | |
4615 | { | |
4616 | enum bfd_link_order_type type; | |
4617 | asection *section; | |
4618 | bfd_vma addend; | |
4619 | arelent rel; | |
4620 | struct internal_reloc in; | |
4621 | bfd_size_type external_reloc_size; | |
4622 | bfd_byte *rbuf; | |
b34976b6 | 4623 | bfd_boolean ok; |
dc810e39 | 4624 | file_ptr pos; |
252b5132 RH |
4625 | |
4626 | type = link_order->type; | |
4627 | section = NULL; | |
4628 | addend = link_order->u.reloc.p->addend; | |
4629 | ||
4630 | /* We set up an arelent to pass to the backend adjust_reloc_out | |
4631 | routine. */ | |
4632 | rel.address = link_order->offset; | |
4633 | ||
4634 | rel.howto = bfd_reloc_type_lookup (output_bfd, link_order->u.reloc.p->reloc); | |
4635 | if (rel.howto == 0) | |
4636 | { | |
4637 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 4638 | return FALSE; |
252b5132 RH |
4639 | } |
4640 | ||
4641 | if (type == bfd_section_reloc_link_order) | |
4642 | { | |
4643 | section = link_order->u.reloc.p->u.section; | |
4644 | rel.sym_ptr_ptr = section->symbol_ptr_ptr; | |
4645 | } | |
4646 | else | |
4647 | { | |
4648 | struct bfd_link_hash_entry *h; | |
4649 | ||
4650 | /* Treat a reloc against a defined symbol as though it were | |
4651 | actually against the section. */ | |
4652 | h = bfd_wrapped_link_hash_lookup (output_bfd, info, | |
4653 | link_order->u.reloc.p->u.name, | |
b34976b6 | 4654 | FALSE, FALSE, FALSE); |
252b5132 RH |
4655 | if (h != NULL |
4656 | && (h->type == bfd_link_hash_defined | |
4657 | || h->type == bfd_link_hash_defweak)) | |
4658 | { | |
4659 | type = bfd_section_reloc_link_order; | |
4660 | section = h->u.def.section->output_section; | |
4661 | /* It seems that we ought to add the symbol value to the | |
4662 | addend here, but in practice it has already been added | |
4663 | because it was passed to constructor_callback. */ | |
4664 | addend += section->vma + h->u.def.section->output_offset; | |
4665 | } | |
4666 | else | |
4667 | { | |
4668 | /* We can't set up a reloc against a symbol correctly, | |
4669 | because we have no asymbol structure. Currently no | |
4670 | adjust_reloc_out routine cares. */ | |
4671 | rel.sym_ptr_ptr = (asymbol **) NULL; | |
4672 | } | |
4673 | } | |
4674 | ||
4675 | /* All ECOFF relocs are in-place. Put the addend into the object | |
4676 | file. */ | |
4677 | ||
4678 | BFD_ASSERT (rel.howto->partial_inplace); | |
4679 | if (addend != 0) | |
4680 | { | |
4681 | bfd_size_type size; | |
4682 | bfd_reloc_status_type rstat; | |
4683 | bfd_byte *buf; | |
252b5132 RH |
4684 | |
4685 | size = bfd_get_reloc_size (rel.howto); | |
4686 | buf = (bfd_byte *) bfd_zmalloc (size); | |
4687 | if (buf == (bfd_byte *) NULL) | |
b34976b6 | 4688 | return FALSE; |
dc810e39 AM |
4689 | rstat = _bfd_relocate_contents (rel.howto, output_bfd, |
4690 | (bfd_vma) addend, buf); | |
252b5132 RH |
4691 | switch (rstat) |
4692 | { | |
4693 | case bfd_reloc_ok: | |
4694 | break; | |
4695 | default: | |
4696 | case bfd_reloc_outofrange: | |
4697 | abort (); | |
4698 | case bfd_reloc_overflow: | |
4699 | if (! ((*info->callbacks->reloc_overflow) | |
dfeffb9f | 4700 | (info, NULL, |
252b5132 RH |
4701 | (link_order->type == bfd_section_reloc_link_order |
4702 | ? bfd_section_name (output_bfd, section) | |
4703 | : link_order->u.reloc.p->u.name), | |
4704 | rel.howto->name, addend, (bfd *) NULL, | |
4705 | (asection *) NULL, (bfd_vma) 0))) | |
4706 | { | |
4707 | free (buf); | |
b34976b6 | 4708 | return FALSE; |
252b5132 RH |
4709 | } |
4710 | break; | |
4711 | } | |
4712 | ok = bfd_set_section_contents (output_bfd, output_section, (PTR) buf, | |
4713 | (file_ptr) link_order->offset, size); | |
4714 | free (buf); | |
4715 | if (! ok) | |
b34976b6 | 4716 | return FALSE; |
252b5132 RH |
4717 | } |
4718 | ||
4719 | rel.addend = 0; | |
4720 | ||
08da05b0 | 4721 | /* Move the information into an internal_reloc structure. */ |
252b5132 RH |
4722 | in.r_vaddr = (rel.address |
4723 | + bfd_get_section_vma (output_bfd, output_section)); | |
4724 | in.r_type = rel.howto->type; | |
4725 | ||
4726 | if (type == bfd_symbol_reloc_link_order) | |
4727 | { | |
4728 | struct ecoff_link_hash_entry *h; | |
4729 | ||
4730 | h = ((struct ecoff_link_hash_entry *) | |
4731 | bfd_wrapped_link_hash_lookup (output_bfd, info, | |
4732 | link_order->u.reloc.p->u.name, | |
b34976b6 | 4733 | FALSE, FALSE, TRUE)); |
252b5132 RH |
4734 | if (h != (struct ecoff_link_hash_entry *) NULL |
4735 | && h->indx != -1) | |
4736 | in.r_symndx = h->indx; | |
4737 | else | |
4738 | { | |
4739 | if (! ((*info->callbacks->unattached_reloc) | |
4740 | (info, link_order->u.reloc.p->u.name, (bfd *) NULL, | |
4741 | (asection *) NULL, (bfd_vma) 0))) | |
b34976b6 | 4742 | return FALSE; |
252b5132 RH |
4743 | in.r_symndx = 0; |
4744 | } | |
4745 | in.r_extern = 1; | |
4746 | } | |
4747 | else | |
4748 | { | |
dc810e39 | 4749 | const char *name; |
252b5132 RH |
4750 | |
4751 | name = bfd_get_section_name (output_bfd, section); | |
4752 | if (strcmp (name, ".text") == 0) | |
4753 | in.r_symndx = RELOC_SECTION_TEXT; | |
4754 | else if (strcmp (name, ".rdata") == 0) | |
4755 | in.r_symndx = RELOC_SECTION_RDATA; | |
4756 | else if (strcmp (name, ".data") == 0) | |
4757 | in.r_symndx = RELOC_SECTION_DATA; | |
4758 | else if (strcmp (name, ".sdata") == 0) | |
4759 | in.r_symndx = RELOC_SECTION_SDATA; | |
4760 | else if (strcmp (name, ".sbss") == 0) | |
4761 | in.r_symndx = RELOC_SECTION_SBSS; | |
4762 | else if (strcmp (name, ".bss") == 0) | |
4763 | in.r_symndx = RELOC_SECTION_BSS; | |
4764 | else if (strcmp (name, ".init") == 0) | |
4765 | in.r_symndx = RELOC_SECTION_INIT; | |
4766 | else if (strcmp (name, ".lit8") == 0) | |
4767 | in.r_symndx = RELOC_SECTION_LIT8; | |
4768 | else if (strcmp (name, ".lit4") == 0) | |
4769 | in.r_symndx = RELOC_SECTION_LIT4; | |
4770 | else if (strcmp (name, ".xdata") == 0) | |
4771 | in.r_symndx = RELOC_SECTION_XDATA; | |
4772 | else if (strcmp (name, ".pdata") == 0) | |
4773 | in.r_symndx = RELOC_SECTION_PDATA; | |
4774 | else if (strcmp (name, ".fini") == 0) | |
4775 | in.r_symndx = RELOC_SECTION_FINI; | |
4776 | else if (strcmp (name, ".lita") == 0) | |
4777 | in.r_symndx = RELOC_SECTION_LITA; | |
4778 | else if (strcmp (name, "*ABS*") == 0) | |
4779 | in.r_symndx = RELOC_SECTION_ABS; | |
4780 | else if (strcmp (name, ".rconst") == 0) | |
4781 | in.r_symndx = RELOC_SECTION_RCONST; | |
4782 | else | |
4783 | abort (); | |
4784 | in.r_extern = 0; | |
4785 | } | |
4786 | ||
4787 | /* Let the BFD backend adjust the reloc. */ | |
4788 | (*ecoff_backend (output_bfd)->adjust_reloc_out) (output_bfd, &rel, &in); | |
4789 | ||
4790 | /* Get some memory and swap out the reloc. */ | |
4791 | external_reloc_size = ecoff_backend (output_bfd)->external_reloc_size; | |
dc810e39 | 4792 | rbuf = (bfd_byte *) bfd_malloc (external_reloc_size); |
252b5132 | 4793 | if (rbuf == (bfd_byte *) NULL) |
b34976b6 | 4794 | return FALSE; |
252b5132 RH |
4795 | |
4796 | (*ecoff_backend (output_bfd)->swap_reloc_out) (output_bfd, &in, (PTR) rbuf); | |
4797 | ||
dc810e39 AM |
4798 | pos = (output_section->rel_filepos |
4799 | + output_section->reloc_count * external_reloc_size); | |
4800 | ok = (bfd_seek (output_bfd, pos, SEEK_SET) == 0 | |
4801 | && (bfd_bwrite ((PTR) rbuf, external_reloc_size, output_bfd) | |
252b5132 RH |
4802 | == external_reloc_size)); |
4803 | ||
4804 | if (ok) | |
4805 | ++output_section->reloc_count; | |
4806 | ||
4807 | free (rbuf); | |
4808 | ||
4809 | return ok; | |
4810 | } |