Commit | Line | Data |
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1f29e30b | 1 | /* BFD back-end for MIPS Extended-Coff files. |
f6409552 | 2 | Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc. |
8fa0d3a0 | 3 | Original version by Per Bothner. |
f6409552 | 4 | Full support added by Ian Lance Taylor, ian@cygnus.com. |
1327fb29 | 5 | |
68b70212 | 6 | This file is part of BFD, the Binary File Descriptor library. |
23b0b558 | 7 | |
68b70212 | 8 | This program is free software; you can redistribute it and/or modify |
23b0b558 | 9 | it under the terms of the GNU General Public License as published by |
68b70212 JG |
10 | the Free Software Foundation; either version 2 of the License, or |
11 | (at your option) any later version. | |
23b0b558 | 12 | |
68b70212 | 13 | This program is distributed in the hope that it will be useful, |
23b0b558 JG |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
68b70212 JG |
19 | along with this program; if not, write to the Free Software |
20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
1327fb29 | 21 | |
23b0b558 | 22 | #include "bfd.h" |
dd4646ca | 23 | #include "sysdep.h" |
1327fb29 | 24 | #include "libbfd.h" |
8fa0d3a0 | 25 | #include "seclet.h" |
c3fe0c41 ILT |
26 | #include "aout/ar.h" |
27 | #include "aout/ranlib.h" | |
294eaca4 SC |
28 | #include "coff/mips.h" |
29 | #include "coff/internal.h" | |
515c4292 ILT |
30 | #include "coff/sym.h" |
31 | #include "coff/symconst.h" | |
32 | #include "coff/ecoff-ext.h" | |
33 | #include "libcoff.h" | |
34 | ||
35 | /* `Tdata' information kept for ECOFF files. */ | |
36 | ||
37 | #define ecoff_data(abfd) ((abfd)->tdata.ecoff_obj_data) | |
38 | ||
39 | typedef struct ecoff_tdata | |
40 | { | |
8fa0d3a0 ILT |
41 | /* The reloc file position, set by |
42 | ecoff_compute_section_file_positions. */ | |
43 | file_ptr reloc_filepos; | |
44 | ||
45 | /* The symbol table file position, set by ecoff_mkobject_hook. */ | |
515c4292 ILT |
46 | file_ptr sym_filepos; |
47 | ||
6d18a99d ILT |
48 | /* The start and end of the text segment. Only valid for an |
49 | existing file, not for one we are creating. */ | |
50 | unsigned long text_start; | |
51 | unsigned long text_end; | |
52 | ||
b6bef862 ILT |
53 | /* The cached gp value. This is used when relocating. */ |
54 | bfd_vma gp; | |
55 | ||
c3fe0c41 ILT |
56 | /* The register masks. When linking, all the masks found in the |
57 | input files are combined into the masks of the output file. */ | |
58 | unsigned long gprmask; | |
59 | unsigned long cprmask[4]; | |
60 | ||
8fa0d3a0 ILT |
61 | /* The size of the unswapped ECOFF symbolic information. */ |
62 | bfd_size_type raw_size; | |
63 | ||
515c4292 ILT |
64 | /* The unswapped ECOFF symbolic information. */ |
65 | PTR raw_syments; | |
66 | ||
67 | /* The swapped ECOFF symbolic header. */ | |
68 | HDRR symbolic_header; | |
69 | ||
70 | /* Pointers to the unswapped symbolic information. */ | |
71 | unsigned char *line; | |
72 | struct dnr_ext *external_dnr; | |
73 | struct pdr_ext *external_pdr; | |
74 | struct sym_ext *external_sym; | |
75 | struct opt_ext *external_opt; | |
76 | union aux_ext *external_aux; | |
77 | char *ss; | |
78 | char *ssext; | |
79 | struct fdr_ext *external_fdr; | |
80 | struct rfd_ext *external_rfd; | |
81 | struct ext_ext *external_ext; | |
82 | ||
c3fe0c41 | 83 | /* The swapped FDR information. */ |
515c4292 ILT |
84 | FDR *fdr; |
85 | ||
c3fe0c41 ILT |
86 | /* The FDR index. This is set for an input BFD to a link so that |
87 | the external symbols can set their FDR index correctly. */ | |
88 | unsigned int ifdbase; | |
89 | ||
515c4292 ILT |
90 | /* The canonical BFD symbols. */ |
91 | struct ecoff_symbol_struct *canonical_symbols; | |
92 | ||
93 | } ecoff_data_type; | |
94 | ||
95 | /* Each canonical asymbol really looks like this. */ | |
96 | ||
97 | typedef struct ecoff_symbol_struct | |
98 | { | |
99 | /* The actual symbol which the rest of BFD works with */ | |
100 | asymbol symbol; | |
101 | ||
102 | /* The fdr for this symbol. */ | |
103 | FDR *fdr; | |
104 | ||
105 | /* true if this is a local symbol rather than an external one. */ | |
106 | boolean local; | |
107 | ||
108 | /* A pointer to the unswapped hidden information for this symbol */ | |
109 | union | |
110 | { | |
111 | struct sym_ext *lnative; | |
112 | struct ext_ext *enative; | |
113 | } | |
114 | native; | |
115 | } ecoff_symbol_type; | |
116 | ||
117 | /* We take the address of the first element of a asymbol to ensure that the | |
118 | macro is only ever applied to an asymbol. */ | |
119 | #define ecoffsymbol(asymbol) ((ecoff_symbol_type *) (&((asymbol)->the_bfd))) | |
120 | ||
c3fe0c41 ILT |
121 | /* This is a hack borrowed from coffcode.h; we need to save the index |
122 | of a symbol when we write it out so that can set the symbol index | |
123 | correctly when we write out the relocs. */ | |
124 | #define ecoff_get_sym_index(symbol) ((unsigned long) (symbol)->udata) | |
125 | #define ecoff_set_sym_index(symbol, idx) ((symbol)->udata = (PTR) (idx)) | |
126 | ||
127 | /* The page boundary used to align sections in the executable file. */ | |
128 | #define PAGE_SIZE 0x2000 | |
129 | ||
5e462ed9 ILT |
130 | /* The linker needs a section to hold small common variables while |
131 | linking. There is no convenient way to create it when the linker | |
132 | needs it, so we always create one for each BFD. We then avoid | |
133 | writing it out. */ | |
134 | #define SCOMMON ".scommon" | |
135 | ||
515c4292 ILT |
136 | /* MIPS ECOFF has COFF sections, but the debugging information is |
137 | stored in a completely different format. This files uses the some | |
138 | of the swapping routines from coffswap.h, and some of the generic | |
139 | COFF routines in coffgen.c, but, unlike the real COFF targets, does | |
140 | not use coffcode.h itself. */ | |
f6409552 ILT |
141 | \f |
142 | /* Prototypes for static functions. */ | |
143 | ||
144 | static boolean ecoff_bad_format_hook PARAMS ((bfd *abfd, PTR filehdr)); | |
145 | static asection *ecoff_make_section_hook PARAMS ((bfd *abfd, char *name)); | |
146 | static boolean ecoff_new_section_hook PARAMS ((bfd *abfd, asection *section)); | |
147 | static boolean ecoff_mkobject PARAMS ((bfd *abfd)); | |
148 | static PTR ecoff_mkobject_hook PARAMS ((bfd *abfd, PTR filehdr, PTR aouthdr)); | |
149 | static boolean ecoff_set_arch_mach_hook PARAMS ((bfd *abfd, PTR filehdr)); | |
150 | static long ecoff_sec_to_styp_flags PARAMS ((CONST char *name, | |
151 | flagword flags)); | |
152 | static flagword ecoff_styp_to_sec_flags PARAMS ((bfd *abfd, PTR hdr)); | |
153 | static boolean ecoff_slurp_symbolic_info PARAMS ((bfd *abfd)); | |
154 | static asymbol *ecoff_make_empty_symbol PARAMS ((bfd *abfd)); | |
155 | static void ecoff_set_symbol_info PARAMS ((bfd *abfd, SYMR *ecoff_sym, | |
156 | asymbol *asym, int ext)); | |
157 | static boolean ecoff_slurp_symbol_table PARAMS ((bfd *abfd)); | |
158 | static unsigned int ecoff_get_symtab_upper_bound PARAMS ((bfd *abfd)); | |
159 | static unsigned int ecoff_get_symtab PARAMS ((bfd *abfd, | |
160 | asymbol **alocation)); | |
161 | static void ecoff_emit_aggregate PARAMS ((bfd *abfd, char *string, | |
162 | RNDXR *rndx, long isym, | |
163 | CONST char *which)); | |
164 | static char *ecoff_type_to_string PARAMS ((bfd *abfd, union aux_ext *aux_ptr, | |
165 | int indx, int bigendian)); | |
166 | static void ecoff_print_symbol PARAMS ((bfd *abfd, PTR filep, | |
167 | asymbol *symbol, | |
168 | bfd_print_symbol_type how)); | |
169 | static void ecoff_swap_reloc_in PARAMS ((bfd *abfd, RELOC *ext, | |
170 | struct internal_reloc *intern)); | |
171 | static unsigned int ecoff_swap_reloc_out PARAMS ((bfd *abfd, PTR src, | |
172 | PTR dst)); | |
173 | static bfd_reloc_status_type ecoff_generic_reloc PARAMS ((bfd *abfd, | |
174 | arelent *reloc, | |
175 | asymbol *symbol, | |
176 | PTR data, | |
177 | asection *section, | |
178 | bfd *output_bfd)); | |
179 | static bfd_reloc_status_type ecoff_refhi_reloc PARAMS ((bfd *abfd, | |
180 | arelent *reloc, | |
181 | asymbol *symbol, | |
182 | PTR data, | |
183 | asection *section, | |
184 | bfd *output_bfd)); | |
185 | static bfd_reloc_status_type ecoff_gprel_reloc PARAMS ((bfd *abfd, | |
186 | arelent *reloc, | |
187 | asymbol *symbol, | |
188 | PTR data, | |
189 | asection *section, | |
190 | bfd *output_bfd)); | |
191 | static boolean ecoff_slurp_reloc_table PARAMS ((bfd *abfd, asection *section, | |
192 | asymbol **symbols)); | |
193 | static unsigned int ecoff_canonicalize_reloc PARAMS ((bfd *abfd, | |
194 | asection *section, | |
195 | arelent **relptr, | |
196 | asymbol **symbols)); | |
197 | static boolean ecoff_find_nearest_line PARAMS ((bfd *abfd, | |
198 | asection *section, | |
199 | asymbol **symbols, | |
200 | bfd_vma offset, | |
201 | CONST char **filename_ptr, | |
202 | CONST char **fnname_ptr, | |
203 | unsigned int *retline_ptr)); | |
204 | static void ecoff_clear_output_flags PARAMS ((bfd *abfd)); | |
205 | static boolean ecoff_rel PARAMS ((bfd *output_bfd, bfd_seclet_type *seclet, | |
206 | asection *output_section, PTR data, | |
207 | boolean relocateable)); | |
208 | static boolean ecoff_dump_seclet PARAMS ((bfd *abfd, bfd_seclet_type *seclet, | |
209 | asection *section, PTR data, | |
210 | boolean relocateable)); | |
211 | static long ecoff_add_string PARAMS ((bfd *output_bfd, FDR *fdr, | |
212 | CONST char *string, boolean external)); | |
213 | static boolean ecoff_get_debug PARAMS ((bfd *output_bfd, | |
214 | bfd_seclet_type *seclet, | |
215 | asection *section, | |
216 | boolean relocateable)); | |
217 | static boolean ecoff_bfd_seclet_link PARAMS ((bfd *abfd, PTR data, | |
218 | boolean relocateable)); | |
219 | static boolean ecoff_set_arch_mach PARAMS ((bfd *abfd, | |
220 | enum bfd_architecture arch, | |
221 | unsigned long machine)); | |
222 | static int ecoff_sizeof_headers PARAMS ((bfd *abfd, boolean reloc)); | |
223 | static void ecoff_compute_section_file_positions PARAMS ((bfd *abfd)); | |
224 | static boolean ecoff_set_section_contents PARAMS ((bfd *abfd, | |
225 | asection *section, | |
226 | PTR location, | |
227 | file_ptr offset, | |
228 | bfd_size_type count)); | |
229 | static boolean ecoff_write_object_contents PARAMS ((bfd *abfd)); | |
230 | static unsigned int ecoff_armap_hash PARAMS ((CONST char *s, | |
231 | unsigned int *rehash, | |
232 | unsigned int size, | |
233 | unsigned int hlog)); | |
234 | static boolean ecoff_slurp_armap PARAMS ((bfd *abfd)); | |
235 | static boolean ecoff_write_armap PARAMS ((bfd *abfd, unsigned int elength, | |
236 | struct orl *map, | |
237 | unsigned int orl_count, | |
238 | int stridx)); | |
239 | static bfd_target *ecoff_archive_p PARAMS ((bfd *abfd)); | |
240 | \f | |
8fa0d3a0 ILT |
241 | /* Get the generic COFF swapping routines, except for the reloc, |
242 | symbol, and lineno ones. Give them ecoff names. */ | |
c3fe0c41 | 243 | #define MIPSECOFF |
8fa0d3a0 | 244 | #define NO_COFF_RELOCS |
515c4292 ILT |
245 | #define NO_COFF_SYMBOLS |
246 | #define NO_COFF_LINENOS | |
515c4292 ILT |
247 | #define coff_swap_filehdr_in ecoff_swap_filehdr_in |
248 | #define coff_swap_filehdr_out ecoff_swap_filehdr_out | |
249 | #define coff_swap_aouthdr_in ecoff_swap_aouthdr_in | |
250 | #define coff_swap_aouthdr_out ecoff_swap_aouthdr_out | |
251 | #define coff_swap_scnhdr_in ecoff_swap_scnhdr_in | |
252 | #define coff_swap_scnhdr_out ecoff_swap_scnhdr_out | |
253 | #include "coffswap.h" | |
254 | \f | |
255 | /* This stuff is somewhat copied from coffcode.h. */ | |
256 | ||
257 | static asection bfd_debug_section = { "*DEBUG*" }; | |
258 | ||
259 | /* See whether the magic number matches. */ | |
260 | ||
261 | static boolean | |
f6409552 ILT |
262 | ecoff_bad_format_hook (abfd, filehdr) |
263 | bfd *abfd; | |
264 | PTR filehdr; | |
515c4292 ILT |
265 | { |
266 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
267 | ||
268 | if (ECOFFBADMAG (*internal_f)) | |
269 | return false; | |
270 | ||
271 | return true; | |
272 | } | |
273 | ||
274 | /* This is a hook needed by SCO COFF, but we have nothing to do. */ | |
275 | ||
276 | static asection * | |
f6409552 ILT |
277 | ecoff_make_section_hook (abfd, name) |
278 | bfd *abfd; | |
279 | char *name; | |
515c4292 ILT |
280 | { |
281 | return (asection *) NULL; | |
282 | } | |
283 | ||
284 | /* Initialize a new section. */ | |
285 | ||
286 | static boolean | |
f6409552 ILT |
287 | ecoff_new_section_hook (abfd, section) |
288 | bfd *abfd; | |
289 | asection *section; | |
515c4292 ILT |
290 | { |
291 | section->alignment_power = abfd->xvec->align_power_min; | |
8fa0d3a0 ILT |
292 | |
293 | if (strcmp (section->name, _TEXT) == 0) | |
294 | section->flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
295 | else if (strcmp (section->name, _DATA) == 0 | |
296 | || strcmp (section->name, _SDATA) == 0) | |
297 | section->flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
298 | else if (strcmp (section->name, _RDATA) == 0 | |
299 | || strcmp (section->name, _LIT8) == 0 | |
300 | || strcmp (section->name, _LIT4) == 0) | |
301 | section->flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC | SEC_READONLY; | |
302 | else if (strcmp (section->name, _BSS) == 0 | |
303 | || strcmp (section->name, _SBSS) == 0) | |
bf4b84bc | 304 | section->flags |= SEC_ALLOC; |
8fa0d3a0 ILT |
305 | |
306 | /* Probably any other section name is SEC_NEVER_LOAD, but I'm | |
307 | uncertain about .init on some systems and I don't know how shared | |
308 | libraries work. */ | |
309 | ||
515c4292 ILT |
310 | return true; |
311 | } | |
312 | ||
f6409552 ILT |
313 | /* Set the alignment of a section; we have nothing to do. */ |
314 | ||
515c4292 ILT |
315 | #define ecoff_set_alignment_hook \ |
316 | ((void (*) PARAMS ((bfd *, asection *, PTR))) bfd_void) | |
317 | ||
f6409552 ILT |
318 | /* Create an ECOFF object. */ |
319 | ||
515c4292 | 320 | static boolean |
f6409552 ILT |
321 | ecoff_mkobject (abfd) |
322 | bfd *abfd; | |
515c4292 ILT |
323 | { |
324 | abfd->tdata.ecoff_obj_data = ((struct ecoff_tdata *) | |
325 | bfd_zalloc (abfd, sizeof(ecoff_data_type))); | |
326 | if (abfd->tdata.ecoff_obj_data == NULL) | |
327 | { | |
328 | bfd_error = no_memory; | |
329 | return false; | |
330 | } | |
331 | ||
5e462ed9 ILT |
332 | /* Always create a .scommon section for every BFD. This is a hack so |
333 | that the linker has something to attach scSCommon symbols to. */ | |
334 | bfd_make_section (abfd, SCOMMON); | |
335 | ||
515c4292 ILT |
336 | return true; |
337 | } | |
338 | ||
f6409552 | 339 | /* Create the ECOFF backend specific information. */ |
515c4292 | 340 | |
c3fe0c41 ILT |
341 | static PTR |
342 | ecoff_mkobject_hook (abfd, filehdr, aouthdr) | |
343 | bfd *abfd; | |
344 | PTR filehdr; | |
345 | PTR aouthdr; | |
515c4292 ILT |
346 | { |
347 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
c3fe0c41 | 348 | struct internal_aouthdr *internal_a = (struct internal_aouthdr *) aouthdr; |
515c4292 ILT |
349 | ecoff_data_type *ecoff; |
350 | ||
351 | if (ecoff_mkobject (abfd) == false) | |
352 | return NULL; | |
353 | ||
354 | ecoff = ecoff_data (abfd); | |
355 | ecoff->sym_filepos = internal_f->f_symptr; | |
c3fe0c41 ILT |
356 | |
357 | if (internal_a != (struct internal_aouthdr *) NULL) | |
358 | { | |
359 | int i; | |
360 | ||
6d18a99d ILT |
361 | ecoff->text_start = internal_a->text_start; |
362 | ecoff->text_end = internal_a->text_start + internal_a->tsize; | |
c3fe0c41 ILT |
363 | ecoff->gp = internal_a->gp_value; |
364 | ecoff->gprmask = internal_a->gprmask; | |
5e462ed9 | 365 | for (i = 0; i < 4; i++) |
c3fe0c41 ILT |
366 | ecoff->cprmask[i] = internal_a->cprmask[i]; |
367 | } | |
368 | ||
515c4292 ILT |
369 | return (PTR) ecoff; |
370 | } | |
371 | ||
372 | /* Determine the machine architecture and type. */ | |
f6409552 | 373 | |
515c4292 | 374 | static boolean |
f6409552 ILT |
375 | ecoff_set_arch_mach_hook (abfd, filehdr) |
376 | bfd *abfd; | |
377 | PTR filehdr; | |
515c4292 | 378 | { |
515c4292 | 379 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; |
f6409552 | 380 | enum bfd_architecture arch; |
515c4292 | 381 | |
f6409552 ILT |
382 | switch (internal_f->f_magic) |
383 | { | |
384 | case MIPS_MAGIC_1: | |
6d18a99d ILT |
385 | case MIPS_MAGIC_LITTLE: |
386 | case MIPS_MAGIC_BIG: | |
f6409552 ILT |
387 | arch = bfd_arch_mips; |
388 | break; | |
389 | ||
390 | default: | |
391 | arch = bfd_arch_obscure; | |
392 | break; | |
393 | } | |
394 | ||
395 | bfd_default_set_arch_mach (abfd, arch, (unsigned long) 0); | |
515c4292 | 396 | |
515c4292 ILT |
397 | return true; |
398 | } | |
399 | ||
8fa0d3a0 ILT |
400 | /* Get the section s_flags to use for a section. */ |
401 | ||
402 | static long | |
f6409552 ILT |
403 | ecoff_sec_to_styp_flags (name, flags) |
404 | CONST char *name; | |
405 | flagword flags; | |
8fa0d3a0 ILT |
406 | { |
407 | long styp; | |
408 | ||
409 | styp = 0; | |
410 | ||
411 | if (strcmp (name, _TEXT) == 0) | |
412 | styp = STYP_TEXT; | |
413 | else if (strcmp (name, _DATA) == 0) | |
c3fe0c41 | 414 | styp = STYP_DATA; |
8fa0d3a0 | 415 | else if (strcmp (name, _SDATA) == 0) |
c3fe0c41 | 416 | styp = STYP_SDATA; |
8fa0d3a0 ILT |
417 | else if (strcmp (name, _RDATA) == 0) |
418 | styp = STYP_RDATA; | |
419 | else if (strcmp (name, _LIT8) == 0) | |
420 | styp = STYP_LIT8; | |
421 | else if (strcmp (name, _LIT4) == 0) | |
422 | styp = STYP_LIT4; | |
423 | else if (strcmp (name, _BSS) == 0) | |
424 | styp = STYP_BSS; | |
425 | else if (strcmp (name, _SBSS) == 0) | |
426 | styp = STYP_SBSS; | |
427 | else if (flags & SEC_CODE) | |
428 | styp = STYP_TEXT; | |
429 | else if (flags & SEC_DATA) | |
430 | styp = STYP_DATA; | |
431 | else if (flags & SEC_READONLY) | |
432 | styp = STYP_RDATA; | |
433 | else if (flags & SEC_LOAD) | |
434 | styp = STYP_TEXT; | |
435 | else | |
436 | styp = STYP_BSS; | |
437 | ||
438 | if (flags & SEC_NEVER_LOAD) | |
439 | styp |= STYP_NOLOAD; | |
440 | ||
441 | return styp; | |
442 | } | |
443 | ||
515c4292 ILT |
444 | /* Get the BFD flags to use for a section. */ |
445 | ||
446 | static flagword | |
f6409552 ILT |
447 | ecoff_styp_to_sec_flags (abfd, hdr) |
448 | bfd *abfd; | |
449 | PTR hdr; | |
515c4292 ILT |
450 | { |
451 | struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr; | |
452 | long styp_flags = internal_s->s_flags; | |
453 | flagword sec_flags=0; | |
454 | ||
455 | if (styp_flags & STYP_NOLOAD) | |
456 | sec_flags |= SEC_NEVER_LOAD; | |
457 | ||
458 | /* For 386 COFF, at least, an unloadable text or data section is | |
459 | actually a shared library section. */ | |
460 | if (styp_flags & STYP_TEXT) | |
461 | { | |
462 | if (sec_flags & SEC_NEVER_LOAD) | |
463 | sec_flags |= SEC_CODE | SEC_SHARED_LIBRARY; | |
464 | else | |
465 | sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
466 | } | |
467 | else if ((styp_flags & STYP_DATA) | |
468 | || (styp_flags & STYP_RDATA) | |
469 | || (styp_flags & STYP_SDATA)) | |
470 | { | |
471 | if (sec_flags & SEC_NEVER_LOAD) | |
472 | sec_flags |= SEC_DATA | SEC_SHARED_LIBRARY; | |
473 | else | |
474 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
475 | if (styp_flags & STYP_RDATA) | |
476 | sec_flags |= SEC_READONLY; | |
477 | } | |
478 | else if ((styp_flags & STYP_BSS) | |
479 | || (styp_flags & STYP_SBSS)) | |
480 | { | |
481 | sec_flags |= SEC_ALLOC; | |
482 | } | |
483 | else if (styp_flags & STYP_INFO) | |
484 | { | |
485 | sec_flags |= SEC_NEVER_LOAD; | |
486 | } | |
487 | else if ((styp_flags & STYP_LIT8) | |
488 | || (styp_flags & STYP_LIT4)) | |
489 | { | |
490 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC | SEC_READONLY; | |
491 | } | |
492 | else | |
493 | { | |
494 | sec_flags |= SEC_ALLOC | SEC_LOAD; | |
495 | } | |
496 | ||
497 | return sec_flags; | |
498 | } | |
499 | \f | |
8fa0d3a0 ILT |
500 | /* Read in and swap the important symbolic information for an ECOFF |
501 | object file. */ | |
502 | ||
503 | static boolean | |
f6409552 ILT |
504 | ecoff_slurp_symbolic_info (abfd) |
505 | bfd *abfd; | |
8fa0d3a0 ILT |
506 | { |
507 | struct hdr_ext external_symhdr; | |
508 | HDRR *internal_symhdr; | |
509 | bfd_size_type raw_base; | |
510 | bfd_size_type raw_size; | |
511 | PTR raw; | |
512 | struct fdr_ext *fraw_src; | |
513 | struct fdr_ext *fraw_end; | |
514 | struct fdr *fdr_ptr; | |
515 | ||
516 | /* Check whether we've already gotten it, and whether there's any to | |
517 | get. */ | |
518 | if (ecoff_data (abfd)->raw_syments != (PTR) NULL) | |
519 | return true; | |
520 | if (ecoff_data (abfd)->sym_filepos == 0) | |
521 | { | |
522 | bfd_get_symcount (abfd) = 0; | |
523 | return true; | |
524 | } | |
525 | ||
526 | /* At this point bfd_get_symcount (abfd) holds the number of symbols | |
527 | as read from the file header, but on ECOFF this is always the | |
528 | size of the symbolic information header. It would be cleaner to | |
529 | handle this when we first read the file in coffgen.c. */ | |
530 | if (bfd_get_symcount (abfd) != sizeof (external_symhdr)) | |
531 | { | |
532 | bfd_error = bad_value; | |
533 | return false; | |
534 | } | |
535 | ||
536 | /* Read the symbolic information header. */ | |
537 | if (bfd_seek (abfd, ecoff_data (abfd)->sym_filepos, SEEK_SET) == -1 | |
538 | || (bfd_read ((PTR) &external_symhdr, sizeof (external_symhdr), 1, abfd) | |
539 | != sizeof (external_symhdr))) | |
540 | { | |
541 | bfd_error = system_call_error; | |
542 | return false; | |
543 | } | |
544 | internal_symhdr = &ecoff_data (abfd)->symbolic_header; | |
545 | ecoff_swap_hdr_in (abfd, &external_symhdr, internal_symhdr); | |
546 | ||
547 | if (internal_symhdr->magic != magicSym) | |
548 | { | |
549 | bfd_error = bad_value; | |
550 | return false; | |
551 | } | |
552 | ||
553 | /* Now we can get the correct number of symbols. */ | |
554 | bfd_get_symcount (abfd) = (internal_symhdr->isymMax | |
555 | + internal_symhdr->iextMax); | |
556 | ||
c3fe0c41 | 557 | /* Read all the symbolic information at once. */ |
23ba15b7 ILT |
558 | raw_base = ecoff_data (abfd)->sym_filepos + sizeof (struct hdr_ext); |
559 | ||
560 | if (internal_symhdr->cbExtOffset != 0) | |
561 | raw_size = (internal_symhdr->cbExtOffset | |
562 | - raw_base | |
563 | + internal_symhdr->iextMax * sizeof (struct ext_ext)); | |
564 | else | |
565 | { | |
566 | long cbline, issmax, issextmax; | |
567 | ||
6d18a99d ILT |
568 | cbline = (internal_symhdr->cbLine + 3) &~ 3; |
569 | issmax = (internal_symhdr->issMax + 3) &~ 3; | |
570 | issextmax = (internal_symhdr->issExtMax + 3) &~ 3; | |
23ba15b7 ILT |
571 | raw_size = (cbline * sizeof (unsigned char) |
572 | + internal_symhdr->idnMax * sizeof (struct dnr_ext) | |
573 | + internal_symhdr->ipdMax * sizeof (struct pdr_ext) | |
574 | + internal_symhdr->isymMax * sizeof (struct sym_ext) | |
575 | + internal_symhdr->ioptMax * sizeof (struct opt_ext) | |
576 | + internal_symhdr->iauxMax * sizeof (union aux_ext) | |
577 | + issmax * sizeof (char) | |
578 | + issextmax * sizeof (char) | |
579 | + internal_symhdr->ifdMax * sizeof (struct fdr_ext) | |
580 | + internal_symhdr->crfd * sizeof (struct rfd_ext) | |
581 | + internal_symhdr->iextMax * sizeof (struct ext_ext)); | |
582 | } | |
583 | ||
c3fe0c41 ILT |
584 | if (raw_size == 0) |
585 | { | |
586 | ecoff_data (abfd)->sym_filepos = 0; | |
587 | return true; | |
588 | } | |
8fa0d3a0 ILT |
589 | raw = (PTR) bfd_alloc (abfd, raw_size); |
590 | if (raw == NULL) | |
591 | { | |
592 | bfd_error = no_memory; | |
593 | return false; | |
594 | } | |
595 | if (bfd_read (raw, raw_size, 1, abfd) != raw_size) | |
596 | { | |
597 | bfd_error = system_call_error; | |
598 | bfd_release (abfd, raw); | |
599 | return false; | |
600 | } | |
601 | ||
602 | ecoff_data (abfd)->raw_size = raw_size; | |
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 | ecoff_data (abfd)->off2 = (type *) NULL; \ | |
609 | else \ | |
610 | ecoff_data (abfd)->off2 = (type *) ((char *) raw \ | |
611 | + internal_symhdr->off1 \ | |
612 | - raw_base) | |
613 | FIX (cbLineOffset, line, unsigned char); | |
614 | FIX (cbDnOffset, external_dnr, struct dnr_ext); | |
615 | FIX (cbPdOffset, external_pdr, struct pdr_ext); | |
616 | FIX (cbSymOffset, external_sym, struct sym_ext); | |
617 | FIX (cbOptOffset, external_opt, struct opt_ext); | |
618 | FIX (cbAuxOffset, external_aux, union aux_ext); | |
619 | FIX (cbSsOffset, ss, char); | |
620 | FIX (cbSsExtOffset, ssext, char); | |
621 | FIX (cbFdOffset, external_fdr, struct fdr_ext); | |
622 | FIX (cbRfdOffset, external_rfd, struct rfd_ext); | |
623 | FIX (cbExtOffset, external_ext, struct ext_ext); | |
624 | #undef FIX | |
625 | ||
626 | /* I don't want to always swap all the data, because it will just | |
627 | waste time and most programs will never look at it. The only | |
628 | time the linker needs most of the debugging information swapped | |
629 | is when linking big-endian and little-endian MIPS object files | |
630 | together, which is not a common occurrence. | |
631 | ||
632 | We need to look at the fdr to deal with a lot of information in | |
633 | the symbols, so we swap them here. */ | |
634 | ecoff_data (abfd)->fdr = (struct fdr *) bfd_alloc (abfd, | |
635 | (internal_symhdr->ifdMax * | |
636 | sizeof (struct fdr))); | |
637 | if (ecoff_data (abfd)->fdr == NULL) | |
638 | { | |
639 | bfd_error = no_memory; | |
640 | return false; | |
641 | } | |
642 | fdr_ptr = ecoff_data (abfd)->fdr; | |
643 | fraw_src = ecoff_data (abfd)->external_fdr; | |
644 | fraw_end = fraw_src + internal_symhdr->ifdMax; | |
645 | for (; fraw_src < fraw_end; fraw_src++, fdr_ptr++) | |
646 | ecoff_swap_fdr_in (abfd, fraw_src, fdr_ptr); | |
647 | ||
648 | return true; | |
649 | } | |
650 | \f | |
515c4292 ILT |
651 | /* ECOFF symbol table routines. The ECOFF symbol table is described |
652 | in gcc/mips-tfile.c. */ | |
653 | ||
bf4b84bc ILT |
654 | /* ECOFF uses two common sections. One is the usual one, and the |
655 | other is for small objects. All the small objects are kept | |
656 | together, and then referenced via the gp pointer, which yields | |
657 | faster assembler code. This is what we use for the small common | |
658 | section. */ | |
659 | static asection ecoff_scom_section; | |
660 | static asymbol ecoff_scom_symbol; | |
661 | static asymbol *ecoff_scom_symbol_ptr; | |
662 | ||
515c4292 ILT |
663 | /* Create an empty symbol. */ |
664 | ||
665 | static asymbol * | |
f6409552 ILT |
666 | ecoff_make_empty_symbol (abfd) |
667 | bfd *abfd; | |
515c4292 ILT |
668 | { |
669 | ecoff_symbol_type *new; | |
670 | ||
671 | new = (ecoff_symbol_type *) bfd_alloc (abfd, sizeof (ecoff_symbol_type)); | |
672 | if (new == (ecoff_symbol_type *) NULL) | |
673 | { | |
674 | bfd_error = no_memory; | |
675 | return (asymbol *) NULL; | |
676 | } | |
677 | new->symbol.section = (asection *) NULL; | |
678 | new->fdr = (FDR *) NULL; | |
679 | new->local = false; | |
680 | new->native.lnative = (struct sym_ext *) NULL; | |
681 | new->symbol.the_bfd = abfd; | |
682 | return &new->symbol; | |
683 | } | |
684 | ||
685 | /* Set the BFD flags and section for an ECOFF symbol. */ | |
686 | ||
687 | static void | |
f6409552 ILT |
688 | ecoff_set_symbol_info (abfd, ecoff_sym, asym, ext) |
689 | bfd *abfd; | |
690 | SYMR *ecoff_sym; | |
691 | asymbol *asym; | |
692 | int ext; | |
515c4292 ILT |
693 | { |
694 | asym->the_bfd = abfd; | |
695 | asym->value = ecoff_sym->value; | |
696 | asym->section = &bfd_debug_section; | |
697 | asym->udata = NULL; | |
c3fe0c41 ILT |
698 | |
699 | /* Most symbol types are just for debugging. */ | |
700 | switch (ecoff_sym->st) | |
701 | { | |
702 | case stGlobal: | |
703 | case stStatic: | |
704 | case stLabel: | |
705 | case stProc: | |
706 | case stStaticProc: | |
707 | case stBlock: | |
23ba15b7 | 708 | case stNil: |
c3fe0c41 ILT |
709 | break; |
710 | default: | |
711 | asym->flags = BSF_DEBUGGING; | |
712 | return; | |
713 | } | |
714 | ||
515c4292 ILT |
715 | if (ext) |
716 | asym->flags = BSF_EXPORT | BSF_GLOBAL; | |
717 | else | |
718 | asym->flags = BSF_LOCAL; | |
719 | switch (ecoff_sym->sc) | |
720 | { | |
721 | case scNil: | |
23ba15b7 ILT |
722 | /* Used for compiler generated labels. Leave them in the |
723 | debugging section, and mark them as local. If BSF_DEBUGGING | |
724 | is set, then nm does not display them for some reason. If no | |
725 | flags are set then the linker whines about them. */ | |
726 | asym->flags = BSF_LOCAL; | |
515c4292 ILT |
727 | break; |
728 | case scText: | |
729 | asym->section = bfd_make_section_old_way (abfd, ".text"); | |
730 | asym->value -= asym->section->vma; | |
731 | break; | |
732 | case scData: | |
733 | asym->section = bfd_make_section_old_way (abfd, ".data"); | |
734 | asym->value -= asym->section->vma; | |
735 | break; | |
736 | case scBss: | |
c3fe0c41 | 737 | if (ext) |
23ba15b7 ILT |
738 | { |
739 | asym->section = &bfd_com_section; | |
740 | asym->flags = 0; | |
741 | } | |
c3fe0c41 ILT |
742 | else |
743 | { | |
744 | asym->section = bfd_make_section_old_way (abfd, ".bss"); | |
745 | asym->value -= asym->section->vma; | |
746 | } | |
515c4292 ILT |
747 | break; |
748 | case scRegister: | |
749 | asym->flags = BSF_DEBUGGING; | |
750 | break; | |
751 | case scAbs: | |
752 | asym->section = &bfd_abs_section; | |
515c4292 ILT |
753 | break; |
754 | case scUndefined: | |
755 | asym->section = &bfd_und_section; | |
23ba15b7 ILT |
756 | asym->flags = 0; |
757 | asym->value = 0; | |
515c4292 ILT |
758 | break; |
759 | case scCdbLocal: | |
760 | case scBits: | |
761 | case scCdbSystem: | |
762 | case scRegImage: | |
763 | case scInfo: | |
764 | case scUserStruct: | |
765 | asym->flags = BSF_DEBUGGING; | |
766 | break; | |
767 | case scSData: | |
768 | asym->section = bfd_make_section_old_way (abfd, ".sdata"); | |
769 | asym->value -= asym->section->vma; | |
770 | break; | |
771 | case scSBss: | |
382f2a3d | 772 | asym->section = bfd_make_section_old_way (abfd, ".sbss"); |
bf4b84bc ILT |
773 | if (! ext) |
774 | asym->value -= asym->section->vma; | |
515c4292 ILT |
775 | break; |
776 | case scRData: | |
777 | asym->section = bfd_make_section_old_way (abfd, ".rdata"); | |
778 | asym->value -= asym->section->vma; | |
779 | break; | |
780 | case scVar: | |
781 | asym->flags = BSF_DEBUGGING; | |
782 | break; | |
783 | case scCommon: | |
5e462ed9 ILT |
784 | /* FIXME: We should take a -G argument, which gives the maximum |
785 | size of objects to be put in the small common section. Until | |
786 | we do, we put objects of sizes up to 8 in the small common | |
787 | section. The assembler should do this for us, but the native | |
788 | assembler seems to get confused. */ | |
789 | if (asym->value > 8) | |
790 | { | |
791 | asym->section = &bfd_com_section; | |
792 | break; | |
793 | } | |
794 | /* Fall through. */ | |
382f2a3d | 795 | case scSCommon: |
bf4b84bc ILT |
796 | if (ecoff_scom_section.name == NULL) |
797 | { | |
798 | /* Initialize the small common section. */ | |
5e462ed9 | 799 | ecoff_scom_section.name = SCOMMON; |
bf4b84bc ILT |
800 | ecoff_scom_section.flags = SEC_IS_COMMON; |
801 | ecoff_scom_section.output_section = &ecoff_scom_section; | |
802 | ecoff_scom_section.symbol = &ecoff_scom_symbol; | |
803 | ecoff_scom_section.symbol_ptr_ptr = &ecoff_scom_symbol_ptr; | |
5e462ed9 | 804 | ecoff_scom_symbol.name = SCOMMON; |
bf4b84bc ILT |
805 | ecoff_scom_symbol.flags = BSF_SECTION_SYM; |
806 | ecoff_scom_symbol.section = &ecoff_scom_section; | |
807 | ecoff_scom_symbol_ptr = &ecoff_scom_symbol; | |
808 | } | |
809 | asym->section = &ecoff_scom_section; | |
23ba15b7 | 810 | asym->flags = 0; |
382f2a3d | 811 | break; |
515c4292 ILT |
812 | case scVarRegister: |
813 | case scVariant: | |
814 | asym->flags = BSF_DEBUGGING; | |
815 | break; | |
816 | case scSUndefined: | |
817 | asym->section = &bfd_und_section; | |
23ba15b7 ILT |
818 | asym->flags = 0; |
819 | asym->value = 0; | |
515c4292 ILT |
820 | break; |
821 | case scInit: | |
822 | asym->section = bfd_make_section_old_way (abfd, ".init"); | |
823 | asym->value -= asym->section->vma; | |
824 | break; | |
825 | case scBasedVar: | |
826 | case scXData: | |
827 | case scPData: | |
828 | asym->flags = BSF_DEBUGGING; | |
829 | break; | |
830 | case scFini: | |
831 | asym->section = bfd_make_section_old_way (abfd, ".fini"); | |
832 | asym->value -= asym->section->vma; | |
833 | break; | |
834 | default: | |
515c4292 ILT |
835 | break; |
836 | } | |
837 | } | |
838 | ||
839 | /* Read an ECOFF symbol table. */ | |
840 | ||
841 | static boolean | |
f6409552 ILT |
842 | ecoff_slurp_symbol_table (abfd) |
843 | bfd *abfd; | |
515c4292 | 844 | { |
515c4292 | 845 | bfd_size_type internal_size; |
515c4292 ILT |
846 | ecoff_symbol_type *internal; |
847 | ecoff_symbol_type *internal_ptr; | |
848 | struct ext_ext *eraw_src; | |
849 | struct ext_ext *eraw_end; | |
8fa0d3a0 ILT |
850 | FDR *fdr_ptr; |
851 | FDR *fdr_end; | |
515c4292 ILT |
852 | |
853 | /* If we've already read in the symbol table, do nothing. */ | |
854 | if (ecoff_data (abfd)->canonical_symbols != NULL) | |
855 | return true; | |
856 | ||
8fa0d3a0 ILT |
857 | /* Get the symbolic information. */ |
858 | if (ecoff_slurp_symbolic_info (abfd) == false) | |
859 | return false; | |
860 | if (bfd_get_symcount (abfd) == 0) | |
861 | return true; | |
515c4292 ILT |
862 | |
863 | internal_size = bfd_get_symcount (abfd) * sizeof (ecoff_symbol_type); | |
864 | internal = (ecoff_symbol_type *) bfd_alloc (abfd, internal_size); | |
865 | if (internal == NULL) | |
866 | { | |
867 | bfd_error = no_memory; | |
868 | return false; | |
869 | } | |
870 | ||
871 | internal_ptr = internal; | |
872 | eraw_src = ecoff_data (abfd)->external_ext; | |
8fa0d3a0 | 873 | eraw_end = eraw_src + ecoff_data (abfd)->symbolic_header.iextMax; |
515c4292 ILT |
874 | for (; eraw_src < eraw_end; eraw_src++, internal_ptr++) |
875 | { | |
876 | EXTR internal_esym; | |
877 | ||
878 | ecoff_swap_ext_in (abfd, eraw_src, &internal_esym); | |
879 | internal_ptr->symbol.name = (ecoff_data (abfd)->ssext | |
880 | + internal_esym.asym.iss); | |
881 | ecoff_set_symbol_info (abfd, &internal_esym.asym, | |
882 | &internal_ptr->symbol, 1); | |
883 | internal_ptr->fdr = ecoff_data (abfd)->fdr + internal_esym.ifd; | |
884 | internal_ptr->local = false; | |
885 | internal_ptr->native.enative = eraw_src; | |
886 | } | |
887 | ||
888 | /* The local symbols must be accessed via the fdr's, because the | |
889 | string and aux indices are relative to the fdr information. */ | |
890 | fdr_ptr = ecoff_data (abfd)->fdr; | |
8fa0d3a0 | 891 | fdr_end = fdr_ptr + ecoff_data (abfd)->symbolic_header.ifdMax; |
515c4292 ILT |
892 | for (; fdr_ptr < fdr_end; fdr_ptr++) |
893 | { | |
894 | struct sym_ext *lraw_src; | |
895 | struct sym_ext *lraw_end; | |
896 | ||
897 | lraw_src = ecoff_data (abfd)->external_sym + fdr_ptr->isymBase; | |
898 | lraw_end = lraw_src + fdr_ptr->csym; | |
899 | for (; lraw_src < lraw_end; lraw_src++, internal_ptr++) | |
900 | { | |
901 | SYMR internal_sym; | |
902 | ||
903 | ecoff_swap_sym_in (abfd, lraw_src, &internal_sym); | |
904 | internal_ptr->symbol.name = (ecoff_data (abfd)->ss | |
905 | + fdr_ptr->issBase | |
906 | + internal_sym.iss); | |
907 | ecoff_set_symbol_info (abfd, &internal_sym, | |
908 | &internal_ptr->symbol, 0); | |
909 | internal_ptr->fdr = fdr_ptr; | |
910 | internal_ptr->local = true; | |
911 | internal_ptr->native.lnative = lraw_src; | |
912 | } | |
913 | } | |
914 | ||
915 | ecoff_data (abfd)->canonical_symbols = internal; | |
916 | ||
917 | return true; | |
918 | } | |
919 | ||
920 | static unsigned int | |
f6409552 ILT |
921 | ecoff_get_symtab_upper_bound (abfd) |
922 | bfd *abfd; | |
515c4292 | 923 | { |
8fa0d3a0 ILT |
924 | if (ecoff_slurp_symbolic_info (abfd) == false |
925 | || bfd_get_symcount (abfd) == 0) | |
515c4292 ILT |
926 | return 0; |
927 | ||
928 | return (bfd_get_symcount (abfd) + 1) * (sizeof (ecoff_symbol_type *)); | |
929 | } | |
930 | ||
931 | static unsigned int | |
f6409552 ILT |
932 | ecoff_get_symtab (abfd, alocation) |
933 | bfd *abfd; | |
934 | asymbol **alocation; | |
515c4292 ILT |
935 | { |
936 | unsigned int counter = 0; | |
937 | ecoff_symbol_type *symbase; | |
938 | ecoff_symbol_type **location = (ecoff_symbol_type **) alocation; | |
939 | ||
8fa0d3a0 ILT |
940 | if (ecoff_slurp_symbol_table (abfd) == false |
941 | || bfd_get_symcount (abfd) == 0) | |
515c4292 ILT |
942 | return 0; |
943 | ||
944 | symbase = ecoff_data (abfd)->canonical_symbols; | |
945 | while (counter < bfd_get_symcount (abfd)) | |
946 | { | |
947 | *(location++) = symbase++; | |
948 | counter++; | |
949 | } | |
950 | *location++ = (ecoff_symbol_type *) NULL; | |
951 | return bfd_get_symcount (abfd); | |
952 | } | |
953 | ||
954 | /* Turn ECOFF type information into a printable string. | |
f6409552 ILT |
955 | ecoff_emit_aggregate and ecoff_type_to_string are from |
956 | gcc/mips-tdump.c, with swapping added and used_ptr removed. */ | |
515c4292 ILT |
957 | |
958 | /* Write aggregate information to a string. */ | |
959 | ||
960 | static void | |
f6409552 ILT |
961 | ecoff_emit_aggregate (abfd, string, rndx, isym, which) |
962 | bfd *abfd; | |
963 | char *string; | |
964 | RNDXR *rndx; | |
965 | long isym; | |
966 | CONST char *which; | |
515c4292 ILT |
967 | { |
968 | int ifd = rndx->rfd; | |
969 | int indx = rndx->index; | |
970 | int sym_base, ss_base; | |
971 | CONST char *name; | |
972 | ||
973 | if (ifd == 0xfff) | |
974 | ifd = isym; | |
975 | ||
976 | sym_base = ecoff_data (abfd)->fdr[ifd].isymBase; | |
977 | ss_base = ecoff_data (abfd)->fdr[ifd].issBase; | |
978 | ||
979 | if (indx == indexNil) | |
980 | name = "/* no name */"; | |
981 | else | |
982 | { | |
983 | SYMR sym; | |
984 | ||
985 | indx += sym_base; | |
986 | ecoff_swap_sym_in (abfd, | |
987 | ecoff_data (abfd)->external_sym + indx, | |
988 | &sym); | |
989 | name = ecoff_data (abfd)->ss + ss_base + sym.iss; | |
990 | } | |
991 | ||
992 | sprintf (string, | |
993 | "%s %s { ifd = %d, index = %d }", | |
994 | which, name, ifd, | |
995 | indx + ecoff_data (abfd)->symbolic_header.iextMax); | |
996 | } | |
997 | ||
998 | /* Convert the type information to string format. */ | |
999 | ||
1000 | static char * | |
f6409552 ILT |
1001 | ecoff_type_to_string (abfd, aux_ptr, indx, bigendian) |
1002 | bfd *abfd; | |
1003 | union aux_ext *aux_ptr; | |
1004 | int indx; | |
1005 | int bigendian; | |
515c4292 ILT |
1006 | { |
1007 | AUXU u; | |
1008 | struct qual { | |
1009 | unsigned int type; | |
1010 | int low_bound; | |
1011 | int high_bound; | |
1012 | int stride; | |
1013 | } qualifiers[7]; | |
1014 | ||
1015 | unsigned int basic_type; | |
1016 | int i; | |
1017 | static char buffer1[1024]; | |
1018 | static char buffer2[1024]; | |
1019 | char *p1 = buffer1; | |
1020 | char *p2 = buffer2; | |
1021 | RNDXR rndx; | |
1022 | ||
1023 | for (i = 0; i < 7; i++) | |
1024 | { | |
1025 | qualifiers[i].low_bound = 0; | |
1026 | qualifiers[i].high_bound = 0; | |
1027 | qualifiers[i].stride = 0; | |
1028 | } | |
1029 | ||
1030 | if (AUX_GET_ISYM (bigendian, &aux_ptr[indx]) == -1) | |
1031 | return "-1 (no type)"; | |
1032 | ecoff_swap_tir_in (bigendian, &aux_ptr[indx++].a_ti, &u.ti); | |
1033 | ||
1034 | basic_type = u.ti.bt; | |
1035 | qualifiers[0].type = u.ti.tq0; | |
1036 | qualifiers[1].type = u.ti.tq1; | |
1037 | qualifiers[2].type = u.ti.tq2; | |
1038 | qualifiers[3].type = u.ti.tq3; | |
1039 | qualifiers[4].type = u.ti.tq4; | |
1040 | qualifiers[5].type = u.ti.tq5; | |
1041 | qualifiers[6].type = tqNil; | |
1042 | ||
1043 | /* | |
1044 | * Go get the basic type. | |
1045 | */ | |
1046 | switch (basic_type) | |
1047 | { | |
1048 | case btNil: /* undefined */ | |
1049 | strcpy (p1, "nil"); | |
1050 | break; | |
1051 | ||
1052 | case btAdr: /* address - integer same size as pointer */ | |
1053 | strcpy (p1, "address"); | |
1054 | break; | |
1055 | ||
1056 | case btChar: /* character */ | |
1057 | strcpy (p1, "char"); | |
1058 | break; | |
1059 | ||
1060 | case btUChar: /* unsigned character */ | |
1061 | strcpy (p1, "unsigned char"); | |
1062 | break; | |
1063 | ||
1064 | case btShort: /* short */ | |
1065 | strcpy (p1, "short"); | |
1066 | break; | |
1067 | ||
1068 | case btUShort: /* unsigned short */ | |
1069 | strcpy (p1, "unsigned short"); | |
1070 | break; | |
1071 | ||
1072 | case btInt: /* int */ | |
1073 | strcpy (p1, "int"); | |
1074 | break; | |
1075 | ||
1076 | case btUInt: /* unsigned int */ | |
1077 | strcpy (p1, "unsigned int"); | |
1078 | break; | |
1079 | ||
1080 | case btLong: /* long */ | |
1081 | strcpy (p1, "long"); | |
1082 | break; | |
1083 | ||
1084 | case btULong: /* unsigned long */ | |
1085 | strcpy (p1, "unsigned long"); | |
1086 | break; | |
1087 | ||
1088 | case btFloat: /* float (real) */ | |
1089 | strcpy (p1, "float"); | |
1090 | break; | |
1091 | ||
1092 | case btDouble: /* Double (real) */ | |
1093 | strcpy (p1, "double"); | |
1094 | break; | |
1095 | ||
1096 | /* Structures add 1-2 aux words: | |
1097 | 1st word is [ST_RFDESCAPE, offset] pointer to struct def; | |
1098 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1099 | ||
1100 | case btStruct: /* Structure (Record) */ | |
1101 | ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); | |
f6409552 ILT |
1102 | ecoff_emit_aggregate (abfd, p1, &rndx, |
1103 | AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1104 | "struct"); | |
515c4292 ILT |
1105 | indx++; /* skip aux words */ |
1106 | break; | |
1107 | ||
1108 | /* Unions add 1-2 aux words: | |
1109 | 1st word is [ST_RFDESCAPE, offset] pointer to union def; | |
1110 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1111 | ||
1112 | case btUnion: /* Union */ | |
1113 | ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); | |
f6409552 ILT |
1114 | ecoff_emit_aggregate (abfd, p1, &rndx, |
1115 | AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1116 | "union"); | |
515c4292 ILT |
1117 | indx++; /* skip aux words */ |
1118 | break; | |
1119 | ||
1120 | /* Enumerations add 1-2 aux words: | |
1121 | 1st word is [ST_RFDESCAPE, offset] pointer to enum def; | |
1122 | 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */ | |
1123 | ||
1124 | case btEnum: /* Enumeration */ | |
1125 | ecoff_swap_rndx_in (bigendian, &aux_ptr[indx].a_rndx, &rndx); | |
f6409552 ILT |
1126 | ecoff_emit_aggregate (abfd, p1, &rndx, |
1127 | AUX_GET_ISYM (bigendian, &aux_ptr[indx+1]), | |
1128 | "enum"); | |
515c4292 ILT |
1129 | indx++; /* skip aux words */ |
1130 | break; | |
1131 | ||
1132 | case btTypedef: /* defined via a typedef, isymRef points */ | |
1133 | strcpy (p1, "typedef"); | |
1134 | break; | |
1135 | ||
1136 | case btRange: /* subrange of int */ | |
1137 | strcpy (p1, "subrange"); | |
1138 | break; | |
1139 | ||
1140 | case btSet: /* pascal sets */ | |
1141 | strcpy (p1, "set"); | |
1142 | break; | |
1143 | ||
1144 | case btComplex: /* fortran complex */ | |
1145 | strcpy (p1, "complex"); | |
1146 | break; | |
1147 | ||
1148 | case btDComplex: /* fortran double complex */ | |
1149 | strcpy (p1, "double complex"); | |
1150 | break; | |
1151 | ||
1152 | case btIndirect: /* forward or unnamed typedef */ | |
1153 | strcpy (p1, "forward/unamed typedef"); | |
1154 | break; | |
1155 | ||
1156 | case btFixedDec: /* Fixed Decimal */ | |
1157 | strcpy (p1, "fixed decimal"); | |
1158 | break; | |
1159 | ||
1160 | case btFloatDec: /* Float Decimal */ | |
1161 | strcpy (p1, "float decimal"); | |
1162 | break; | |
1163 | ||
1164 | case btString: /* Varying Length Character String */ | |
1165 | strcpy (p1, "string"); | |
1166 | break; | |
1167 | ||
1168 | case btBit: /* Aligned Bit String */ | |
1169 | strcpy (p1, "bit"); | |
1170 | break; | |
1171 | ||
1172 | case btPicture: /* Picture */ | |
1173 | strcpy (p1, "picture"); | |
1174 | break; | |
1175 | ||
1176 | case btVoid: /* Void */ | |
1177 | strcpy (p1, "void"); | |
1178 | break; | |
1179 | ||
1180 | default: | |
1181 | sprintf (p1, "Unknown basic type %d", (int) basic_type); | |
1182 | break; | |
1183 | } | |
1184 | ||
1185 | p1 += strlen (buffer1); | |
1186 | ||
1187 | /* | |
1188 | * If this is a bitfield, get the bitsize. | |
1189 | */ | |
1190 | if (u.ti.fBitfield) | |
1191 | { | |
1192 | int bitsize; | |
1193 | ||
1194 | bitsize = AUX_GET_WIDTH (bigendian, &aux_ptr[indx++]); | |
1195 | sprintf (p1, " : %d", bitsize); | |
1196 | p1 += strlen (buffer1); | |
1197 | } | |
1198 | ||
1199 | ||
1200 | /* | |
1201 | * Deal with any qualifiers. | |
1202 | */ | |
1203 | if (qualifiers[0].type != tqNil) | |
1204 | { | |
1205 | /* | |
1206 | * Snarf up any array bounds in the correct order. Arrays | |
1207 | * store 5 successive words in the aux. table: | |
1208 | * word 0 RNDXR to type of the bounds (ie, int) | |
1209 | * word 1 Current file descriptor index | |
1210 | * word 2 low bound | |
1211 | * word 3 high bound (or -1 if []) | |
1212 | * word 4 stride size in bits | |
1213 | */ | |
1214 | for (i = 0; i < 7; i++) | |
1215 | { | |
1216 | if (qualifiers[i].type == tqArray) | |
1217 | { | |
1218 | qualifiers[i].low_bound = | |
1219 | AUX_GET_DNLOW (bigendian, &aux_ptr[indx+2]); | |
1220 | qualifiers[i].high_bound = | |
1221 | AUX_GET_DNHIGH (bigendian, &aux_ptr[indx+3]); | |
1222 | qualifiers[i].stride = | |
1223 | AUX_GET_WIDTH (bigendian, &aux_ptr[indx+4]); | |
1224 | indx += 5; | |
1225 | } | |
1226 | } | |
1227 | ||
1228 | /* | |
1229 | * Now print out the qualifiers. | |
1230 | */ | |
1231 | for (i = 0; i < 6; i++) | |
1232 | { | |
1233 | switch (qualifiers[i].type) | |
1234 | { | |
1235 | case tqNil: | |
1236 | case tqMax: | |
1237 | break; | |
1238 | ||
1239 | case tqPtr: | |
1240 | strcpy (p2, "ptr to "); | |
1241 | p2 += sizeof ("ptr to ")-1; | |
1242 | break; | |
1243 | ||
1244 | case tqVol: | |
1245 | strcpy (p2, "volatile "); | |
1246 | p2 += sizeof ("volatile ")-1; | |
1247 | break; | |
1248 | ||
1249 | case tqFar: | |
1250 | strcpy (p2, "far "); | |
1251 | p2 += sizeof ("far ")-1; | |
1252 | break; | |
1253 | ||
1254 | case tqProc: | |
1255 | strcpy (p2, "func. ret. "); | |
1256 | p2 += sizeof ("func. ret. "); | |
1257 | break; | |
1258 | ||
1259 | case tqArray: | |
1260 | { | |
1261 | int first_array = i; | |
1262 | int j; | |
1263 | ||
1264 | /* Print array bounds reversed (ie, in the order the C | |
1265 | programmer writes them). C is such a fun language.... */ | |
1266 | ||
1267 | while (i < 5 && qualifiers[i+1].type == tqArray) | |
1268 | i++; | |
1269 | ||
1270 | for (j = i; j >= first_array; j--) | |
1271 | { | |
1272 | strcpy (p2, "array ["); | |
1273 | p2 += sizeof ("array [")-1; | |
1274 | if (qualifiers[j].low_bound != 0) | |
1275 | sprintf (p2, | |
1276 | "%ld:%ld {%ld bits}", | |
1277 | (long) qualifiers[j].low_bound, | |
1278 | (long) qualifiers[j].high_bound, | |
1279 | (long) qualifiers[j].stride); | |
1280 | ||
1281 | else if (qualifiers[j].high_bound != -1) | |
1282 | sprintf (p2, | |
1283 | "%ld {%ld bits}", | |
1284 | (long) (qualifiers[j].high_bound + 1), | |
1285 | (long) (qualifiers[j].stride)); | |
1286 | ||
1287 | else | |
1288 | sprintf (p2, " {%ld bits}", (long) (qualifiers[j].stride)); | |
1289 | ||
1290 | p2 += strlen (p2); | |
1291 | strcpy (p2, "] of "); | |
1292 | p2 += sizeof ("] of ")-1; | |
1293 | } | |
1294 | } | |
1295 | break; | |
1296 | } | |
1297 | } | |
1298 | } | |
1299 | ||
1300 | strcpy (p2, buffer1); | |
1301 | return buffer2; | |
1302 | } | |
1303 | ||
1304 | /* Print information about an ECOFF symbol. */ | |
1305 | ||
1306 | static void | |
f6409552 ILT |
1307 | ecoff_print_symbol (abfd, filep, symbol, how) |
1308 | bfd *abfd; | |
1309 | PTR filep; | |
1310 | asymbol *symbol; | |
1311 | bfd_print_symbol_type how; | |
515c4292 ILT |
1312 | { |
1313 | FILE *file = (FILE *)filep; | |
1314 | ||
1315 | switch (how) | |
1316 | { | |
1317 | case bfd_print_symbol_name: | |
1318 | fprintf (file, "%s", symbol->name); | |
1319 | break; | |
1320 | case bfd_print_symbol_more: | |
1321 | if (ecoffsymbol (symbol)->local) | |
1322 | { | |
1323 | SYMR ecoff_sym; | |
1324 | ||
1325 | ecoff_swap_sym_in (abfd, ecoffsymbol (symbol)->native.lnative, | |
1326 | &ecoff_sym); | |
1327 | fprintf (file, "ecoff local %lx %x %x", | |
1328 | (unsigned long) ecoff_sym.value, | |
1329 | (unsigned) ecoff_sym.st, (unsigned) ecoff_sym.sc); | |
1330 | } | |
1331 | else | |
1332 | { | |
1333 | EXTR ecoff_ext; | |
1334 | ||
1335 | ecoff_swap_ext_in (abfd, ecoffsymbol (symbol)->native.enative, | |
1336 | &ecoff_ext); | |
1337 | fprintf (file, "ecoff extern %lx %x %x", | |
1338 | (unsigned long) ecoff_ext.asym.value, | |
1339 | (unsigned) ecoff_ext.asym.st, | |
1340 | (unsigned) ecoff_ext.asym.sc); | |
1341 | } | |
1342 | break; | |
1343 | case bfd_print_symbol_nm: | |
1344 | { | |
1345 | CONST char *section_name = symbol->section->name; | |
1346 | ||
1347 | bfd_print_symbol_vandf ((PTR) file, symbol); | |
1348 | fprintf (file, " %-5s %s %s", | |
1349 | section_name, | |
1350 | ecoffsymbol (symbol)->local ? "l" : "e", | |
1351 | symbol->name); | |
1352 | } | |
1353 | break; | |
1354 | case bfd_print_symbol_all: | |
1355 | /* Print out the symbols in a reasonable way */ | |
1356 | { | |
515c4292 ILT |
1357 | char type; |
1358 | int pos; | |
1359 | EXTR ecoff_ext; | |
1360 | char jmptbl; | |
1361 | char cobol_main; | |
1362 | char weakext; | |
1363 | ||
1364 | if (ecoffsymbol (symbol)->local) | |
1365 | { | |
1366 | ecoff_swap_sym_in (abfd, ecoffsymbol (symbol)->native.lnative, | |
1367 | &ecoff_ext.asym); | |
1368 | type = 'l'; | |
1369 | pos = (ecoffsymbol (symbol)->native.lnative | |
1370 | - ecoff_data (abfd)->external_sym | |
1371 | + ecoff_data (abfd)->symbolic_header.iextMax); | |
1372 | jmptbl = ' '; | |
1373 | cobol_main = ' '; | |
1374 | weakext = ' '; | |
1375 | } | |
1376 | else | |
1377 | { | |
1378 | ecoff_swap_ext_in (abfd, ecoffsymbol (symbol)->native.enative, | |
1379 | &ecoff_ext); | |
1380 | type = 'e'; | |
1381 | pos = (ecoffsymbol (symbol)->native.enative | |
1382 | - ecoff_data (abfd)->external_ext); | |
1383 | jmptbl = ecoff_ext.jmptbl ? 'j' : ' '; | |
1384 | cobol_main = ecoff_ext.cobol_main ? 'c' : ' '; | |
1385 | weakext = ecoff_ext.weakext ? 'w' : ' '; | |
1386 | } | |
1387 | ||
1388 | fprintf (file, "[%3d] %c %lx st %x sc %x indx %x %c%c%c %s", | |
1389 | pos, type, (unsigned long) ecoff_ext.asym.value, | |
1390 | (unsigned) ecoff_ext.asym.st, | |
1391 | (unsigned) ecoff_ext.asym.sc, | |
1392 | (unsigned) ecoff_ext.asym.index, | |
1393 | jmptbl, cobol_main, weakext, | |
1394 | symbol->name); | |
1395 | ||
1396 | if (ecoffsymbol (symbol)->fdr != NULL | |
1397 | && ecoff_ext.asym.index != indexNil) | |
1398 | { | |
1399 | unsigned indx; | |
1400 | int bigendian; | |
1401 | long sym_base; | |
1402 | union aux_ext *aux_base; | |
1403 | ||
1404 | indx = ecoff_ext.asym.index; | |
1405 | ||
1406 | /* sym_base is used to map the fdr relative indices which | |
1407 | appear in the file to the position number which we are | |
1408 | using. */ | |
1409 | sym_base = ecoffsymbol (symbol)->fdr->isymBase; | |
1410 | if (ecoffsymbol (symbol)->local) | |
1411 | sym_base += ecoff_data (abfd)->symbolic_header.iextMax; | |
1412 | ||
1413 | /* aux_base is the start of the aux entries for this file; | |
1414 | asym.index is an offset from this. */ | |
1415 | aux_base = (ecoff_data (abfd)->external_aux | |
1416 | + ecoffsymbol (symbol)->fdr->iauxBase); | |
1417 | ||
1418 | /* The aux entries are stored in host byte order; the | |
1419 | order is indicated by a bit in the fdr. */ | |
1420 | bigendian = ecoffsymbol (symbol)->fdr->fBigendian; | |
1421 | ||
1422 | /* This switch is basically from gcc/mips-tdump.c */ | |
1423 | switch (ecoff_ext.asym.st) | |
1424 | { | |
1425 | case stNil: | |
1426 | case stLabel: | |
1427 | break; | |
1428 | ||
1429 | case stFile: | |
1430 | case stBlock: | |
1431 | printf ("\n End+1 symbol: %ld", indx + sym_base); | |
1432 | break; | |
1433 | ||
1434 | case stEnd: | |
1435 | if (ecoff_ext.asym.sc == scText | |
1436 | || ecoff_ext.asym.sc == scInfo) | |
1437 | printf ("\n First symbol: %ld", indx + sym_base); | |
1438 | else | |
1439 | printf ("\n First symbol: %ld", | |
1440 | (AUX_GET_ISYM (bigendian, | |
1441 | &aux_base[ecoff_ext.asym.index]) | |
1442 | + sym_base)); | |
1443 | break; | |
1444 | ||
1445 | case stProc: | |
1446 | case stStaticProc: | |
1447 | if (MIPS_IS_STAB (&ecoff_ext.asym)) | |
1448 | ; | |
1449 | else if (ecoffsymbol (symbol)->local) | |
1450 | printf ("\n End+1 symbol: %-7ld Type: %s", | |
1451 | (AUX_GET_ISYM (bigendian, | |
1452 | &aux_base[ecoff_ext.asym.index]) | |
1453 | + sym_base), | |
f6409552 ILT |
1454 | ecoff_type_to_string (abfd, aux_base, indx + 1, |
1455 | bigendian)); | |
515c4292 | 1456 | else |
b6bef862 ILT |
1457 | printf ("\n Local symbol: %d", |
1458 | (indx | |
1459 | + sym_base | |
1460 | + ecoff_data (abfd)->symbolic_header.iextMax)); | |
515c4292 ILT |
1461 | break; |
1462 | ||
1463 | default: | |
1464 | if (!MIPS_IS_STAB (&ecoff_ext.asym)) | |
1465 | printf ("\n Type: %s", | |
f6409552 ILT |
1466 | ecoff_type_to_string (abfd, aux_base, indx, |
1467 | bigendian)); | |
515c4292 ILT |
1468 | break; |
1469 | } | |
1470 | } | |
1471 | } | |
1472 | break; | |
1473 | } | |
1474 | } | |
1475 | \f | |
b6bef862 ILT |
1476 | /* Reloc handling. MIPS ECOFF relocs are packed into 8 bytes in |
1477 | external form. They use a bit which indicates whether the symbol | |
1478 | is external. */ | |
1479 | ||
1480 | /* Swap a reloc in. */ | |
1481 | ||
1482 | static void | |
f6409552 ILT |
1483 | ecoff_swap_reloc_in (abfd, ext, intern) |
1484 | bfd *abfd; | |
1485 | RELOC *ext; | |
1486 | struct internal_reloc *intern; | |
b6bef862 ILT |
1487 | { |
1488 | intern->r_vaddr = bfd_h_get_32 (abfd, (bfd_byte *) ext->r_vaddr); | |
1489 | if (abfd->xvec->header_byteorder_big_p != false) | |
1490 | { | |
c3fe0c41 | 1491 | intern->r_symndx = (((int) ext->r_bits[0] |
b6bef862 | 1492 | << RELOC_BITS0_SYMNDX_SH_LEFT_BIG) |
c3fe0c41 | 1493 | | ((int) ext->r_bits[1] |
b6bef862 | 1494 | << RELOC_BITS1_SYMNDX_SH_LEFT_BIG) |
c3fe0c41 | 1495 | | ((int) ext->r_bits[2] |
b6bef862 ILT |
1496 | << RELOC_BITS2_SYMNDX_SH_LEFT_BIG)); |
1497 | intern->r_type = ((ext->r_bits[3] & RELOC_BITS3_TYPE_BIG) | |
1498 | >> RELOC_BITS3_TYPE_SH_BIG); | |
1499 | intern->r_extern = (ext->r_bits[3] & RELOC_BITS3_EXTERN_BIG) != 0; | |
1500 | } | |
1501 | else | |
1502 | { | |
c3fe0c41 | 1503 | intern->r_symndx = (((int) ext->r_bits[0] |
b6bef862 | 1504 | << RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE) |
c3fe0c41 | 1505 | | ((int) ext->r_bits[1] |
b6bef862 | 1506 | << RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE) |
c3fe0c41 | 1507 | | ((int) ext->r_bits[2] |
b6bef862 ILT |
1508 | << RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE)); |
1509 | intern->r_type = ((ext->r_bits[3] & RELOC_BITS3_TYPE_LITTLE) | |
1510 | >> RELOC_BITS3_TYPE_SH_LITTLE); | |
1511 | intern->r_extern = (ext->r_bits[3] & RELOC_BITS3_EXTERN_LITTLE) != 0; | |
1512 | } | |
1513 | } | |
1514 | ||
1515 | /* Swap a reloc out. */ | |
1516 | ||
1517 | static unsigned int | |
f6409552 ILT |
1518 | ecoff_swap_reloc_out (abfd, src, dst) |
1519 | bfd *abfd; | |
1520 | PTR src; | |
1521 | PTR dst; | |
b6bef862 ILT |
1522 | { |
1523 | struct internal_reloc *intern = (struct internal_reloc *) src; | |
1524 | RELOC *ext = (RELOC *) dst; | |
1525 | ||
1526 | bfd_h_put_32 (abfd, intern->r_vaddr, (bfd_byte *) ext->r_vaddr); | |
1527 | if (abfd->xvec->header_byteorder_big_p != false) | |
1528 | { | |
1529 | ext->r_bits[0] = intern->r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_BIG; | |
1530 | ext->r_bits[1] = intern->r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_BIG; | |
1531 | ext->r_bits[2] = intern->r_symndx >> RELOC_BITS2_SYMNDX_SH_LEFT_BIG; | |
1532 | ext->r_bits[3] = (((intern->r_type << RELOC_BITS3_TYPE_SH_BIG) | |
1533 | & RELOC_BITS3_TYPE_BIG) | |
1534 | | (intern->r_extern ? RELOC_BITS3_EXTERN_BIG : 0)); | |
1535 | } | |
1536 | else | |
1537 | { | |
1538 | ext->r_bits[0] = intern->r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE; | |
1539 | ext->r_bits[1] = intern->r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE; | |
1540 | ext->r_bits[2] = intern->r_symndx >> RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE; | |
1541 | ext->r_bits[3] = (((intern->r_type << RELOC_BITS3_TYPE_SH_LITTLE) | |
1542 | & RELOC_BITS3_TYPE_LITTLE) | |
1543 | | (intern->r_extern ? RELOC_BITS3_EXTERN_LITTLE : 0)); | |
1544 | } | |
1545 | ||
1546 | return RELSZ; | |
1547 | } | |
1548 | ||
bf4b84bc ILT |
1549 | /* ECOFF relocs are either against external symbols, or against |
1550 | sections. If we are producing relocateable output, and the reloc | |
1551 | is against an external symbol, the resulting reloc will also be | |
1552 | against the same symbol. In such a case, we don't want to change | |
1553 | anything about the way the reloc is handled, since it will all be | |
1554 | done at final link time. Rather than put special case code into | |
1555 | bfd_perform_relocation, all the reloc types use this howto | |
1556 | function. It just short circuits the reloc if producing | |
1557 | relocateable output against an external symbol. */ | |
1558 | ||
1559 | static bfd_reloc_status_type | |
1560 | ecoff_generic_reloc (abfd, | |
1561 | reloc_entry, | |
1562 | symbol, | |
1563 | data, | |
1564 | input_section, | |
1565 | output_bfd) | |
1566 | bfd *abfd; | |
1567 | arelent *reloc_entry; | |
1568 | asymbol *symbol; | |
1569 | PTR data; | |
1570 | asection *input_section; | |
1571 | bfd *output_bfd; | |
1572 | { | |
1573 | if (output_bfd != (bfd *) NULL | |
1574 | && (symbol->flags & BSF_SECTION_SYM) == 0) | |
1575 | { | |
1576 | reloc_entry->address += input_section->output_offset; | |
1577 | return bfd_reloc_ok; | |
1578 | } | |
1579 | ||
1580 | return bfd_reloc_continue; | |
1581 | } | |
1582 | ||
b6bef862 ILT |
1583 | /* Do a REFHI relocation. The next reloc must be the corresponding |
1584 | REFLO. This has to be done in a function so that carry is handled | |
1585 | correctly. */ | |
1586 | ||
1587 | static bfd_reloc_status_type | |
bf4b84bc ILT |
1588 | ecoff_refhi_reloc (abfd, |
1589 | reloc_entry, | |
1590 | symbol, | |
1591 | data, | |
1592 | input_section, | |
1593 | output_bfd) | |
1594 | bfd *abfd; | |
1595 | arelent *reloc_entry; | |
1596 | asymbol *symbol; | |
1597 | PTR data; | |
1598 | asection *input_section; | |
1599 | bfd *output_bfd; | |
b6bef862 ILT |
1600 | { |
1601 | bfd_reloc_status_type ret; | |
1602 | arelent *rello; | |
1603 | bfd_vma relocation; | |
b6bef862 | 1604 | unsigned long insn; |
c3fe0c41 ILT |
1605 | unsigned long val; |
1606 | unsigned long vallo; | |
b6bef862 | 1607 | |
bf4b84bc ILT |
1608 | /* If we're relocating, and this an external symbol, we don't want |
1609 | to change anything. */ | |
1610 | if (output_bfd != (bfd *) NULL | |
1611 | && (symbol->flags & BSF_SECTION_SYM) == 0) | |
1612 | { | |
1613 | reloc_entry->address += input_section->output_offset; | |
1614 | return bfd_reloc_ok; | |
1615 | } | |
1616 | ||
b6bef862 ILT |
1617 | ret = bfd_reloc_ok; |
1618 | if (symbol->section == &bfd_und_section | |
1619 | && output_bfd == (bfd *) NULL) | |
1620 | ret = bfd_reloc_undefined; | |
1621 | ||
1622 | rello = reloc_entry + 1; | |
1623 | BFD_ASSERT (rello->howto->type == ECOFF_R_REFLO | |
1624 | && *rello->sym_ptr_ptr == *reloc_entry->sym_ptr_ptr); | |
1625 | ||
382f2a3d | 1626 | if (bfd_is_com_section (symbol->section)) |
b6bef862 ILT |
1627 | relocation = 0; |
1628 | else | |
1629 | relocation = symbol->value; | |
1630 | ||
bf4b84bc ILT |
1631 | relocation += symbol->section->output_section->vma; |
1632 | relocation += symbol->section->output_offset; | |
c3fe0c41 | 1633 | relocation += reloc_entry->addend; |
b6bef862 ILT |
1634 | |
1635 | if (reloc_entry->address > input_section->_cooked_size) | |
1636 | return bfd_reloc_outofrange; | |
1637 | ||
b6bef862 | 1638 | insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); |
c3fe0c41 ILT |
1639 | vallo = bfd_get_32 (abfd, (bfd_byte *) data + rello->address) & 0xffff; |
1640 | val = ((insn & 0xffff) << 16) + vallo; | |
1641 | val += relocation; | |
1642 | ||
1643 | /* The low order 16 bits are always treated as a signed value. | |
1644 | Therefore, a negative value in the low order bits requires an | |
1645 | adjustment in the high order bits. We need to make this | |
1646 | adjustment in two ways: once for the bits we took from the data, | |
1647 | and once for the bits we are putting back in to the data. */ | |
1648 | if ((vallo & 0x8000) != 0) | |
1649 | val -= 0x10000; | |
1650 | if ((val & 0x8000) != 0) | |
1651 | val += 0x10000; | |
1652 | ||
1653 | insn = (insn &~ 0xffff) | ((val >> 16) & 0xffff); | |
b6bef862 ILT |
1654 | bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address); |
1655 | ||
c3fe0c41 ILT |
1656 | if (output_bfd != (bfd *) NULL) |
1657 | reloc_entry->address += input_section->output_offset; | |
1658 | ||
b6bef862 ILT |
1659 | return ret; |
1660 | } | |
1661 | ||
1662 | /* Do a GPREL relocation. This is a 16 bit value which must become | |
1663 | the offset from the gp register. */ | |
1664 | ||
1665 | static bfd_reloc_status_type | |
bf4b84bc ILT |
1666 | ecoff_gprel_reloc (abfd, |
1667 | reloc_entry, | |
1668 | symbol, | |
1669 | data, | |
1670 | input_section, | |
1671 | output_bfd) | |
1672 | bfd *abfd; | |
1673 | arelent *reloc_entry; | |
1674 | asymbol *symbol; | |
1675 | PTR data; | |
1676 | asection *input_section; | |
1677 | bfd *output_bfd; | |
b6bef862 | 1678 | { |
c3fe0c41 | 1679 | boolean relocateable; |
b6bef862 ILT |
1680 | bfd_vma relocation; |
1681 | unsigned long val; | |
1682 | unsigned long insn; | |
1683 | ||
bf4b84bc ILT |
1684 | /* If we're relocating, and this an external symbol, we don't want |
1685 | to change anything. */ | |
1686 | if (output_bfd != (bfd *) NULL | |
1687 | && (symbol->flags & BSF_SECTION_SYM) == 0) | |
1688 | { | |
1689 | reloc_entry->address += input_section->output_offset; | |
1690 | return bfd_reloc_ok; | |
1691 | } | |
1692 | ||
b6bef862 | 1693 | if (output_bfd != (bfd *) NULL) |
c3fe0c41 ILT |
1694 | relocateable = true; |
1695 | else | |
1696 | { | |
1697 | relocateable = false; | |
1698 | output_bfd = symbol->section->output_section->owner; | |
1699 | } | |
b6bef862 | 1700 | |
c3fe0c41 ILT |
1701 | if (symbol->section == &bfd_und_section |
1702 | && relocateable == false) | |
1703 | return bfd_reloc_undefined; | |
b6bef862 | 1704 | |
c3fe0c41 ILT |
1705 | /* We have to figure out the gp value, so that we can adjust the |
1706 | symbol value correctly. We look up the symbol _gp in the output | |
1707 | BFD. If we can't find it, we're stuck. We cache it in the ECOFF | |
1708 | target data. */ | |
b6bef862 ILT |
1709 | if (ecoff_data (output_bfd)->gp == 0) |
1710 | { | |
bf4b84bc | 1711 | if (relocateable != false) |
c3fe0c41 ILT |
1712 | { |
1713 | /* Make up a value. */ | |
1714 | ecoff_data (output_bfd)->gp = | |
1715 | symbol->section->output_section->vma + 0x4000; | |
1716 | } | |
1717 | else | |
1718 | { | |
1719 | unsigned int count; | |
1720 | asymbol **sym; | |
1721 | unsigned int i; | |
b6bef862 | 1722 | |
c3fe0c41 ILT |
1723 | count = bfd_get_symcount (output_bfd); |
1724 | sym = bfd_get_outsymbols (output_bfd); | |
b6bef862 | 1725 | |
c3fe0c41 ILT |
1726 | /* We should do something more friendly here, but we don't |
1727 | have a good reloc status to return. */ | |
1728 | if (sym == (asymbol **) NULL) | |
1729 | abort (); | |
b6bef862 | 1730 | |
c3fe0c41 | 1731 | for (i = 0; i < count; i++, sym++) |
b6bef862 | 1732 | { |
c3fe0c41 ILT |
1733 | register CONST char *name; |
1734 | ||
1735 | name = bfd_asymbol_name (*sym); | |
1736 | if (*name == '_' && strcmp (name, "_gp") == 0) | |
1737 | { | |
1738 | ecoff_data (output_bfd)->gp = bfd_asymbol_value (*sym); | |
1739 | break; | |
1740 | } | |
b6bef862 | 1741 | } |
b6bef862 | 1742 | |
c3fe0c41 ILT |
1743 | /* We should do something more friendly here, but we don't have |
1744 | a good reloc status to return. */ | |
1745 | if (i >= count) | |
1746 | abort (); | |
1747 | } | |
b6bef862 ILT |
1748 | } |
1749 | ||
382f2a3d | 1750 | if (bfd_is_com_section (symbol->section)) |
b6bef862 ILT |
1751 | relocation = 0; |
1752 | else | |
1753 | relocation = symbol->value; | |
1754 | ||
1755 | relocation += symbol->section->output_section->vma; | |
1756 | relocation += symbol->section->output_offset; | |
1757 | ||
1758 | if (reloc_entry->address > input_section->_cooked_size) | |
1759 | return bfd_reloc_outofrange; | |
1760 | ||
1761 | insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); | |
c3fe0c41 ILT |
1762 | |
1763 | /* Set val to the offset into the section (if we are relocating | |
1764 | against an external symbol, insn & 0xffff will be zero and so | |
1765 | will reloc_entry->addend). */ | |
1766 | val = ((insn & 0xffff) + reloc_entry->addend) & 0xffff; | |
1767 | if (val & 0x8000) | |
b6bef862 | 1768 | val -= 0x10000; |
c3fe0c41 ILT |
1769 | |
1770 | /* Adjust val for the final section location and GP value. */ | |
1771 | val += (relocation - ecoff_data (output_bfd)->gp); | |
1772 | ||
b6bef862 ILT |
1773 | insn = (insn &~ 0xffff) | (val & 0xffff); |
1774 | bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address); | |
1775 | ||
bf4b84bc | 1776 | if (relocateable != false) |
c3fe0c41 ILT |
1777 | reloc_entry->address += input_section->output_offset; |
1778 | ||
1779 | /* Make sure it fit in 16 bits. */ | |
1780 | if (val >= 0x8000 && val < 0xffff8000) | |
1781 | return bfd_reloc_outofrange; | |
1782 | ||
1783 | return bfd_reloc_ok; | |
b6bef862 ILT |
1784 | } |
1785 | ||
1786 | /* How to process the various relocs types. */ | |
1787 | ||
1788 | static reloc_howto_type ecoff_howto_table[] = | |
1789 | { | |
1790 | /* Reloc type 0 is ignored. The reloc reading code ensures that | |
1791 | this is a reference to the .abs section, which will cause | |
1792 | bfd_perform_relocation to do nothing. */ | |
1793 | HOWTO (ECOFF_R_IGNORE, /* type */ | |
1794 | 0, /* rightshift */ | |
1795 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1796 | 8, /* bitsize (obsolete) */ | |
1797 | false, /* pc_relative */ | |
1798 | 0, /* bitpos */ | |
1799 | false, /* absolute (obsolete) */ | |
1800 | false, /* complain_on_overflow */ | |
1801 | 0, /* special_function */ | |
1802 | "IGNORE", /* name */ | |
1803 | false, /* partial_inplace */ | |
1804 | 0, /* src_mask */ | |
1805 | 0, /* dst_mask */ | |
1806 | false), /* pcrel_offset */ | |
1807 | ||
1808 | /* A 16 bit reference to a symbol, normally from a data section. */ | |
1809 | HOWTO (ECOFF_R_REFHALF, /* type */ | |
1810 | 0, /* rightshift */ | |
1811 | 1, /* size (0 = byte, 1 = short, 2 = long) */ | |
1812 | 16, /* bitsize (obsolete) */ | |
1813 | false, /* pc_relative */ | |
1814 | 0, /* bitpos */ | |
1815 | false, /* absolute (obsolete) */ | |
1816 | true, /* complain_on_overflow */ | |
bf4b84bc | 1817 | ecoff_generic_reloc, /* special_function */ |
b6bef862 ILT |
1818 | "REFHALF", /* name */ |
1819 | true, /* partial_inplace */ | |
1820 | 0xffff, /* src_mask */ | |
1821 | 0xffff, /* dst_mask */ | |
1822 | false), /* pcrel_offset */ | |
1823 | ||
1824 | /* A 32 bit reference to a symbol, normally from a data section. */ | |
1825 | HOWTO (ECOFF_R_REFWORD, /* type */ | |
1826 | 0, /* rightshift */ | |
1827 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1828 | 32, /* bitsize (obsolete) */ | |
1829 | false, /* pc_relative */ | |
1830 | 0, /* bitpos */ | |
1831 | false, /* absolute (obsolete) */ | |
1832 | true, /* complain_on_overflow */ | |
bf4b84bc | 1833 | ecoff_generic_reloc, /* special_function */ |
b6bef862 ILT |
1834 | "REFWORD", /* name */ |
1835 | true, /* partial_inplace */ | |
1836 | 0xffffffff, /* src_mask */ | |
1837 | 0xffffffff, /* dst_mask */ | |
1838 | false), /* pcrel_offset */ | |
1839 | ||
1840 | /* A 26 bit absolute jump address. */ | |
1841 | HOWTO (ECOFF_R_JMPADDR, /* type */ | |
1842 | 2, /* rightshift */ | |
1843 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1844 | 32, /* bitsize (obsolete) */ | |
1845 | false, /* pc_relative */ | |
1846 | 0, /* bitpos */ | |
1847 | false, /* absolute (obsolete) */ | |
1848 | true, /* complain_on_overflow */ | |
bf4b84bc | 1849 | ecoff_generic_reloc, /* special_function */ |
b6bef862 ILT |
1850 | "JMPADDR", /* name */ |
1851 | true, /* partial_inplace */ | |
1852 | 0x3ffffff, /* src_mask */ | |
1853 | 0x3ffffff, /* dst_mask */ | |
1854 | false), /* pcrel_offset */ | |
1855 | ||
1856 | /* The high 16 bits of a symbol value. Handled by the function | |
1857 | ecoff_refhi_reloc. */ | |
1858 | HOWTO (ECOFF_R_REFHI, /* type */ | |
1859 | 16, /* rightshift */ | |
1860 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1861 | 32, /* bitsize (obsolete) */ | |
1862 | false, /* pc_relative */ | |
1863 | 0, /* bitpos */ | |
1864 | false, /* absolute (obsolete) */ | |
1865 | true, /* complain_on_overflow */ | |
1866 | ecoff_refhi_reloc, /* special_function */ | |
1867 | "REFHI", /* name */ | |
1868 | true, /* partial_inplace */ | |
1869 | 0xffff, /* src_mask */ | |
1870 | 0xffff, /* dst_mask */ | |
1871 | false), /* pcrel_offset */ | |
1872 | ||
1873 | /* The low 16 bits of a symbol value. */ | |
1874 | HOWTO (ECOFF_R_REFLO, /* type */ | |
1875 | 0, /* rightshift */ | |
1876 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1877 | 32, /* bitsize (obsolete) */ | |
1878 | false, /* pc_relative */ | |
1879 | 0, /* bitpos */ | |
1880 | false, /* absolute (obsolete) */ | |
1881 | true, /* complain_on_overflow */ | |
bf4b84bc | 1882 | ecoff_generic_reloc, /* special_function */ |
b6bef862 ILT |
1883 | "REFLO", /* name */ |
1884 | true, /* partial_inplace */ | |
1885 | 0xffff, /* src_mask */ | |
1886 | 0xffff, /* dst_mask */ | |
1887 | false), /* pcrel_offset */ | |
1888 | ||
1889 | /* A reference to an offset from the gp register. Handled by the | |
1890 | function ecoff_gprel_reloc. */ | |
1891 | HOWTO (ECOFF_R_GPREL, /* type */ | |
1892 | 0, /* rightshift */ | |
1893 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1894 | 32, /* bitsize (obsolete) */ | |
1895 | false, /* pc_relative */ | |
1896 | 0, /* bitpos */ | |
1897 | false, /* absolute (obsolete) */ | |
1898 | true, /* complain_on_overflow */ | |
1899 | ecoff_gprel_reloc, /* special_function */ | |
1900 | "GPREL", /* name */ | |
1901 | true, /* partial_inplace */ | |
1902 | 0xffff, /* src_mask */ | |
1903 | 0xffff, /* dst_mask */ | |
1904 | false), /* pcrel_offset */ | |
1905 | ||
1906 | /* A reference to a literal using an offset from the gp register. | |
1907 | Handled by the function ecoff_gprel_reloc. */ | |
1908 | HOWTO (ECOFF_R_LITERAL, /* type */ | |
1909 | 0, /* rightshift */ | |
1910 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1911 | 32, /* bitsize (obsolete) */ | |
1912 | false, /* pc_relative */ | |
1913 | 0, /* bitpos */ | |
1914 | false, /* absolute (obsolete) */ | |
1915 | true, /* complain_on_overflow */ | |
1916 | ecoff_gprel_reloc, /* special_function */ | |
1917 | "LITERAL", /* name */ | |
1918 | true, /* partial_inplace */ | |
1919 | 0xffff, /* src_mask */ | |
1920 | 0xffff, /* dst_mask */ | |
1921 | false) /* pcrel_offset */ | |
1922 | }; | |
1923 | ||
1924 | /* Read in the relocs for a section. */ | |
1925 | ||
1926 | static boolean | |
f6409552 ILT |
1927 | ecoff_slurp_reloc_table (abfd, section, symbols) |
1928 | bfd *abfd; | |
1929 | asection *section; | |
1930 | asymbol **symbols; | |
b6bef862 ILT |
1931 | { |
1932 | RELOC *external_relocs; | |
1933 | arelent *internal_relocs; | |
1934 | arelent *rptr; | |
1935 | unsigned int i; | |
1936 | ||
1937 | if (section->relocation != (arelent *) NULL | |
1938 | || section->reloc_count == 0 | |
1939 | || (section->flags & SEC_CONSTRUCTOR) != 0) | |
1940 | return true; | |
1941 | ||
1942 | if (ecoff_slurp_symbol_table (abfd) == false) | |
1943 | return false; | |
1944 | ||
1945 | internal_relocs = (arelent *) bfd_alloc (abfd, | |
1946 | (sizeof (arelent) | |
1947 | * section->reloc_count)); | |
1948 | external_relocs = (RELOC *) bfd_alloc (abfd, RELSZ * section->reloc_count); | |
1949 | if (internal_relocs == (arelent *) NULL | |
1950 | || external_relocs == (RELOC *) NULL) | |
1951 | { | |
1952 | bfd_error = no_memory; | |
1953 | return false; | |
1954 | } | |
1955 | if (bfd_seek (abfd, section->rel_filepos, SEEK_SET) != 0) | |
1956 | return false; | |
1957 | if (bfd_read (external_relocs, 1, RELSZ * section->reloc_count, abfd) | |
1958 | != RELSZ * section->reloc_count) | |
1959 | { | |
1960 | bfd_error = system_call_error; | |
1961 | return false; | |
1962 | } | |
1963 | ||
1964 | for (i = 0, rptr = internal_relocs; i < section->reloc_count; i++, rptr++) | |
1965 | { | |
1966 | struct internal_reloc intern; | |
1967 | ||
1968 | ecoff_swap_reloc_in (abfd, external_relocs + i, &intern); | |
1969 | ||
c3fe0c41 | 1970 | if (intern.r_type > ECOFF_R_LITERAL) |
b6bef862 ILT |
1971 | abort (); |
1972 | ||
1973 | if (intern.r_extern) | |
1974 | { | |
1975 | /* r_symndx is an index into the external symbols. */ | |
1976 | BFD_ASSERT (intern.r_symndx >= 0 | |
1977 | && (intern.r_symndx | |
1978 | < ecoff_data (abfd)->symbolic_header.iextMax)); | |
1979 | rptr->sym_ptr_ptr = symbols + intern.r_symndx; | |
c3fe0c41 | 1980 | rptr->addend = 0; |
b6bef862 ILT |
1981 | } |
1982 | else | |
1983 | { | |
1984 | CONST char *sec_name; | |
1985 | asection *sec; | |
1986 | ||
1987 | /* r_symndx is a section key. */ | |
1988 | switch (intern.r_symndx) | |
1989 | { | |
1990 | case RELOC_SECTION_TEXT: sec_name = ".text"; break; | |
1991 | case RELOC_SECTION_RDATA: sec_name = ".rdata"; break; | |
1992 | case RELOC_SECTION_DATA: sec_name = ".data"; break; | |
1993 | case RELOC_SECTION_SDATA: sec_name = ".sdata"; break; | |
1994 | case RELOC_SECTION_SBSS: sec_name = ".sbss"; break; | |
1995 | case RELOC_SECTION_BSS: sec_name = ".bss"; break; | |
1996 | case RELOC_SECTION_INIT: sec_name = ".init"; break; | |
1997 | case RELOC_SECTION_LIT8: sec_name = ".lit8"; break; | |
1998 | case RELOC_SECTION_LIT4: sec_name = ".lit4"; break; | |
1999 | default: abort (); | |
2000 | } | |
2001 | ||
2002 | sec = bfd_get_section_by_name (abfd, sec_name); | |
2003 | if (sec == (asection *) NULL) | |
2004 | abort (); | |
2005 | rptr->sym_ptr_ptr = sec->symbol_ptr_ptr; | |
c3fe0c41 ILT |
2006 | |
2007 | rptr->addend = - bfd_get_section_vma (abfd, sec); | |
2008 | if (intern.r_type == ECOFF_R_GPREL | |
2009 | || intern.r_type == ECOFF_R_LITERAL) | |
2010 | rptr->addend += ecoff_data (abfd)->gp; | |
b6bef862 ILT |
2011 | } |
2012 | ||
2013 | rptr->address = intern.r_vaddr - bfd_get_section_vma (abfd, section); | |
b6bef862 ILT |
2014 | rptr->howto = &ecoff_howto_table[intern.r_type]; |
2015 | ||
2016 | /* If the type is ECOFF_R_IGNORE, make sure this is a reference | |
2017 | to the absolute section so that the reloc is ignored. */ | |
2018 | if (intern.r_type == ECOFF_R_IGNORE) | |
2019 | rptr->sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr; | |
2020 | } | |
2021 | ||
2022 | bfd_release (abfd, external_relocs); | |
2023 | ||
2024 | section->relocation = internal_relocs; | |
2025 | ||
2026 | return true; | |
2027 | } | |
2028 | ||
2029 | /* Get a canonical list of relocs. */ | |
2030 | ||
2031 | static unsigned int | |
f6409552 ILT |
2032 | ecoff_canonicalize_reloc (abfd, section, relptr, symbols) |
2033 | bfd *abfd; | |
2034 | asection *section; | |
2035 | arelent **relptr; | |
2036 | asymbol **symbols; | |
b6bef862 ILT |
2037 | { |
2038 | unsigned int count; | |
2039 | ||
2040 | if (section->flags & SEC_CONSTRUCTOR) | |
2041 | { | |
2042 | arelent_chain *chain; | |
2043 | ||
2044 | /* This section has relocs made up by us, not the file, so take | |
2045 | them out of their chain and place them into the data area | |
2046 | provided. */ | |
2047 | for (count = 0, chain = section->constructor_chain; | |
2048 | count < section->reloc_count; | |
2049 | count++, chain = chain->next) | |
2050 | *relptr++ = &chain->relent; | |
2051 | } | |
bf4b84bc | 2052 | else |
b6bef862 ILT |
2053 | { |
2054 | arelent *tblptr; | |
2055 | ||
2056 | if (ecoff_slurp_reloc_table (abfd, section, symbols) == false) | |
2057 | return 0; | |
2058 | ||
2059 | tblptr = section->relocation; | |
2060 | if (tblptr == (arelent *) NULL) | |
2061 | return 0; | |
2062 | ||
2063 | for (count = 0; count < section->reloc_count; count++) | |
2064 | *relptr++ = tblptr++; | |
2065 | } | |
2066 | ||
2067 | *relptr = (arelent *) NULL; | |
2068 | ||
2069 | return section->reloc_count; | |
2070 | } | |
2071 | \f | |
515c4292 ILT |
2072 | /* Provided a BFD, a section and an offset into the section, calculate |
2073 | and return the name of the source file and the line nearest to the | |
2074 | wanted location. */ | |
2075 | ||
2076 | static boolean | |
f6409552 ILT |
2077 | ecoff_find_nearest_line (abfd, |
2078 | section, | |
2079 | ignore_symbols, | |
2080 | offset, | |
2081 | filename_ptr, | |
2082 | functionname_ptr, | |
2083 | retline_ptr) | |
2084 | bfd *abfd; | |
2085 | asection *section; | |
2086 | asymbol **ignore_symbols; | |
2087 | bfd_vma offset; | |
2088 | CONST char **filename_ptr; | |
2089 | CONST char **functionname_ptr; | |
2090 | unsigned int *retline_ptr; | |
515c4292 ILT |
2091 | { |
2092 | FDR *fdr_ptr; | |
2093 | FDR *fdr_start; | |
2094 | FDR *fdr_end; | |
2095 | FDR *fdr_hold; | |
2096 | struct pdr_ext *pdr_ptr; | |
2097 | struct pdr_ext *pdr_end; | |
2098 | PDR pdr; | |
2099 | unsigned char *line_ptr; | |
2100 | unsigned char *line_end; | |
2101 | int lineno; | |
515c4292 ILT |
2102 | |
2103 | /* If we're not in the .text section, we don't have any line | |
2104 | numbers. */ | |
6d18a99d ILT |
2105 | if (strcmp (section->name, _TEXT) != 0 |
2106 | || offset < ecoff_data (abfd)->text_start | |
2107 | || offset >= ecoff_data (abfd)->text_end) | |
515c4292 ILT |
2108 | return false; |
2109 | ||
8fa0d3a0 ILT |
2110 | /* Make sure we have the FDR's. */ |
2111 | if (ecoff_slurp_symbolic_info (abfd) == false | |
2112 | || bfd_get_symcount (abfd) == 0) | |
2113 | return false; | |
2114 | ||
515c4292 ILT |
2115 | /* Each file descriptor (FDR) has a memory address. Here we track |
2116 | down which FDR we want. The FDR's are stored in increasing | |
2117 | memory order. If speed is ever important, this can become a | |
2118 | binary search. We must ignore FDR's with no PDR entries; they | |
2119 | will have the adr of the FDR before or after them. */ | |
2120 | fdr_start = ecoff_data (abfd)->fdr; | |
2121 | fdr_end = fdr_start + ecoff_data (abfd)->symbolic_header.ifdMax; | |
2122 | fdr_hold = (FDR *) NULL; | |
2123 | for (fdr_ptr = fdr_start; fdr_ptr < fdr_end; fdr_ptr++) | |
2124 | { | |
6d18a99d ILT |
2125 | if (fdr_ptr->cpd == 0) |
2126 | continue; | |
515c4292 ILT |
2127 | if (offset < fdr_ptr->adr) |
2128 | break; | |
6d18a99d | 2129 | fdr_hold = fdr_ptr; |
515c4292 ILT |
2130 | } |
2131 | if (fdr_hold == (FDR *) NULL) | |
2132 | return false; | |
2133 | fdr_ptr = fdr_hold; | |
2134 | ||
2135 | /* Each FDR has a list of procedure descriptors (PDR). PDR's also | |
2136 | have an address, which is relative to the FDR address, and are | |
2137 | also stored in increasing memory order. */ | |
2138 | offset -= fdr_ptr->adr; | |
2139 | pdr_ptr = ecoff_data (abfd)->external_pdr + fdr_ptr->ipdFirst; | |
2140 | pdr_end = pdr_ptr + fdr_ptr->cpd; | |
2141 | ecoff_swap_pdr_in (abfd, pdr_ptr, &pdr); | |
2142 | if (offset < pdr.adr) | |
2143 | return false; | |
2144 | for (pdr_ptr++; pdr_ptr < pdr_end; pdr_ptr++) | |
2145 | { | |
2146 | ecoff_swap_pdr_in (abfd, pdr_ptr, &pdr); | |
2147 | if (offset < pdr.adr) | |
2148 | break; | |
2149 | } | |
2150 | ||
2151 | /* Now we can look for the actual line number. The line numbers are | |
2152 | stored in a very funky format, which I won't try to describe. | |
2153 | Note that right here pdr_ptr and pdr hold the PDR *after* the one | |
2154 | we want; we need this to compute line_end. */ | |
2155 | line_end = ecoff_data (abfd)->line; | |
2156 | if (pdr_ptr == pdr_end) | |
2157 | line_end += fdr_ptr->cbLineOffset + fdr_ptr->cbLine; | |
2158 | else | |
2159 | line_end += fdr_ptr->cbLineOffset + pdr.cbLineOffset; | |
2160 | ||
2161 | /* Now change pdr and pdr_ptr to the one we want. */ | |
2162 | pdr_ptr--; | |
2163 | ecoff_swap_pdr_in (abfd, pdr_ptr, &pdr); | |
2164 | ||
2165 | offset -= pdr.adr; | |
2166 | lineno = pdr.lnLow; | |
2167 | line_ptr = (ecoff_data (abfd)->line | |
2168 | + fdr_ptr->cbLineOffset | |
2169 | + pdr.cbLineOffset); | |
2170 | while (line_ptr < line_end) | |
2171 | { | |
2172 | int delta; | |
2173 | int count; | |
2174 | ||
2175 | delta = *line_ptr >> 4; | |
2176 | if (delta >= 0x8) | |
2177 | delta -= 0x10; | |
2178 | count = (*line_ptr & 0xf) + 1; | |
2179 | ++line_ptr; | |
2180 | if (delta == -8) | |
2181 | { | |
2182 | delta = (((line_ptr[0]) & 0xff) << 8) + ((line_ptr[1]) & 0xff); | |
2183 | if (delta >= 0x8000) | |
2184 | delta -= 0x10000; | |
2185 | line_ptr += 2; | |
2186 | } | |
2187 | lineno += delta; | |
2188 | if (offset < count * 4) | |
2189 | break; | |
2190 | offset -= count * 4; | |
2191 | } | |
2192 | ||
bf4b84bc ILT |
2193 | /* If fdr_ptr->rss is -1, then this file does not have full symbols, |
2194 | at least according to gdb/mipsread.c. */ | |
2195 | if (fdr_ptr->rss == -1) | |
2196 | { | |
2197 | *filename_ptr = NULL; | |
2198 | if (pdr.isym == -1) | |
2199 | *functionname_ptr = NULL; | |
2200 | else | |
2201 | { | |
2202 | EXTR proc_ext; | |
2203 | ||
2204 | ecoff_swap_ext_in (abfd, | |
2205 | (ecoff_data (abfd)->external_ext | |
2206 | + pdr.isym), | |
2207 | &proc_ext); | |
2208 | *functionname_ptr = ecoff_data (abfd)->ssext + proc_ext.asym.iss; | |
2209 | } | |
2210 | } | |
2211 | else | |
2212 | { | |
2213 | SYMR proc_sym; | |
2214 | ||
2215 | *filename_ptr = ecoff_data (abfd)->ss + fdr_ptr->issBase + fdr_ptr->rss; | |
2216 | ecoff_swap_sym_in (abfd, | |
2217 | (ecoff_data (abfd)->external_sym | |
2218 | + fdr_ptr->isymBase | |
2219 | + pdr.isym), | |
2220 | &proc_sym); | |
2221 | *functionname_ptr = (ecoff_data (abfd)->ss | |
2222 | + fdr_ptr->issBase | |
2223 | + proc_sym.iss); | |
2224 | } | |
515c4292 ILT |
2225 | *retline_ptr = lineno; |
2226 | return true; | |
2227 | } | |
2228 | \f | |
8fa0d3a0 ILT |
2229 | /* We can't use the generic linking routines for ECOFF, because we |
2230 | have to handle all the debugging information. The generic link | |
2231 | routine just works out the section contents and attaches a list of | |
2232 | symbols. | |
2233 | ||
2234 | We link by looping over all the seclets. We make two passes. On | |
2235 | the first we set the actual section contents and determine the size | |
2236 | of the debugging information. On the second we accumulate the | |
2237 | debugging information and write it out. | |
2238 | ||
2239 | This currently always accumulates the debugging information, which | |
2240 | is incorrect, because it ignores the -s and -S options of the | |
2241 | linker. The linker needs to be modified to give us that | |
2242 | information in a more useful format (currently it just provides a | |
2243 | list of symbols which should appear in the output file). */ | |
2244 | ||
2245 | /* Clear the output_has_begun flag for all the input BFD's. We use it | |
2246 | to avoid linking in the debugging information for a BFD more than | |
2247 | once. */ | |
2248 | ||
2249 | static void | |
f6409552 ILT |
2250 | ecoff_clear_output_flags (abfd) |
2251 | bfd *abfd; | |
8fa0d3a0 ILT |
2252 | { |
2253 | register asection *o; | |
2254 | register bfd_seclet_type *p; | |
2255 | ||
2256 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
2257 | for (p = o->seclets_head; | |
2258 | p != (bfd_seclet_type *) NULL; | |
2259 | p = p->next) | |
2260 | if (p->type == bfd_indirect_seclet) | |
2261 | p->u.indirect.section->owner->output_has_begun = false; | |
2262 | } | |
2263 | ||
2264 | /* Handle an indirect seclet on the first pass. Set the contents of | |
2265 | the output section, and accumulate the debugging information if | |
2266 | any. */ | |
2267 | ||
2268 | static boolean | |
f6409552 ILT |
2269 | ecoff_rel (output_bfd, seclet, output_section, data, relocateable) |
2270 | bfd *output_bfd; | |
2271 | bfd_seclet_type *seclet; | |
2272 | asection *output_section; | |
2273 | PTR data; | |
2274 | boolean relocateable; | |
8fa0d3a0 ILT |
2275 | { |
2276 | bfd *input_bfd; | |
2277 | HDRR *output_symhdr; | |
2278 | HDRR *input_symhdr; | |
2279 | ||
2280 | if ((output_section->flags & SEC_HAS_CONTENTS) | |
2281 | && !(output_section->flags & SEC_NEVER_LOAD) | |
2282 | && (output_section->flags & SEC_LOAD) | |
2283 | && seclet->size) | |
2284 | { | |
2285 | data = (PTR) bfd_get_relocated_section_contents (output_bfd, | |
2286 | seclet, | |
2287 | data, | |
2288 | relocateable); | |
2289 | if (bfd_set_section_contents (output_bfd, | |
2290 | output_section, | |
2291 | data, | |
2292 | seclet->offset, | |
2293 | seclet->size) | |
2294 | == false) | |
2295 | { | |
2296 | abort(); | |
2297 | } | |
2298 | } | |
2299 | ||
2300 | input_bfd = seclet->u.indirect.section->owner; | |
2301 | ||
2302 | /* We want to figure out how much space will be required to | |
2303 | incorporate all the debugging information from input_bfd. We use | |
2304 | the output_has_begun field to avoid adding it in more than once. | |
2305 | The actual incorporation is done in the second pass, in | |
2306 | ecoff_get_debug. The code has to parallel that code in its | |
2307 | manipulations of output_symhdr. */ | |
2308 | ||
2309 | if (input_bfd->output_has_begun) | |
2310 | return true; | |
2311 | input_bfd->output_has_begun = true; | |
2312 | ||
2313 | output_symhdr = &ecoff_data (output_bfd)->symbolic_header; | |
2314 | ||
2315 | if (input_bfd->xvec->flavour != bfd_target_ecoff_flavour) | |
2316 | { | |
2317 | asymbol **symbols; | |
2318 | asymbol **sym_ptr; | |
2319 | asymbol **sym_end; | |
2320 | ||
c3fe0c41 ILT |
2321 | /* We just accumulate local symbols from a non-ECOFF BFD. The |
2322 | external symbols are handled separately. */ | |
8fa0d3a0 ILT |
2323 | |
2324 | symbols = (asymbol **) bfd_alloc (output_bfd, | |
2325 | get_symtab_upper_bound (input_bfd)); | |
2326 | if (symbols == (asymbol **) NULL) | |
2327 | { | |
2328 | bfd_error = no_memory; | |
2329 | return false; | |
2330 | } | |
2331 | sym_end = symbols + bfd_canonicalize_symtab (input_bfd, symbols); | |
2332 | ||
2333 | for (sym_ptr = symbols; sym_ptr < sym_end; sym_ptr++) | |
2334 | { | |
2335 | size_t len; | |
2336 | ||
2337 | len = strlen ((*sym_ptr)->name); | |
2338 | if (((*sym_ptr)->flags & BSF_EXPORT) == 0) | |
2339 | { | |
2340 | ++output_symhdr->isymMax; | |
2341 | output_symhdr->issMax += len + 1; | |
2342 | } | |
8fa0d3a0 ILT |
2343 | } |
2344 | ||
2345 | bfd_release (output_bfd, (PTR) symbols); | |
2346 | ||
2347 | ++output_symhdr->ifdMax; | |
2348 | ||
2349 | return true; | |
2350 | } | |
2351 | ||
2352 | /* We simply add in the information from another ECOFF BFD. First | |
2353 | we make sure we have the symbolic information. */ | |
c3fe0c41 | 2354 | if (ecoff_slurp_symbol_table (input_bfd) == false) |
8fa0d3a0 ILT |
2355 | return false; |
2356 | if (bfd_get_symcount (input_bfd) == 0) | |
2357 | return true; | |
2358 | ||
2359 | input_symhdr = &ecoff_data (input_bfd)->symbolic_header; | |
2360 | ||
c3fe0c41 ILT |
2361 | /* Figure out how much information we are going to be putting in. |
2362 | The external symbols are handled separately. */ | |
8fa0d3a0 ILT |
2363 | output_symhdr->ilineMax += input_symhdr->ilineMax; |
2364 | output_symhdr->cbLine += input_symhdr->cbLine; | |
2365 | output_symhdr->idnMax += input_symhdr->idnMax; | |
2366 | output_symhdr->ipdMax += input_symhdr->ipdMax; | |
2367 | output_symhdr->isymMax += input_symhdr->isymMax; | |
2368 | output_symhdr->ioptMax += input_symhdr->ioptMax; | |
2369 | output_symhdr->iauxMax += input_symhdr->iauxMax; | |
2370 | output_symhdr->issMax += input_symhdr->issMax; | |
8fa0d3a0 | 2371 | output_symhdr->ifdMax += input_symhdr->ifdMax; |
8fa0d3a0 ILT |
2372 | |
2373 | /* The RFD's are special, since we create them if needed. */ | |
2374 | if (input_symhdr->crfd > 0) | |
2375 | output_symhdr->crfd += input_symhdr->crfd; | |
2376 | else | |
2377 | output_symhdr->crfd += input_symhdr->ifdMax; | |
2378 | ||
2379 | return true; | |
2380 | } | |
2381 | ||
2382 | /* Handle an arbitrary seclet on the first pass. */ | |
2383 | ||
2384 | static boolean | |
f6409552 ILT |
2385 | ecoff_dump_seclet (abfd, seclet, section, data, relocateable) |
2386 | bfd *abfd; | |
2387 | bfd_seclet_type *seclet; | |
2388 | asection *section; | |
2389 | PTR data; | |
2390 | boolean relocateable; | |
8fa0d3a0 ILT |
2391 | { |
2392 | switch (seclet->type) | |
2393 | { | |
2394 | case bfd_indirect_seclet: | |
2395 | /* The contents of this section come from another one somewhere | |
2396 | else. */ | |
2397 | return ecoff_rel (abfd, seclet, section, data, relocateable); | |
2398 | ||
2399 | case bfd_fill_seclet: | |
c3fe0c41 ILT |
2400 | /* Fill in the section with fill.value. This is used to pad out |
2401 | sections, but we must avoid padding the .bss section. */ | |
2402 | if ((section->flags & SEC_HAS_CONTENTS) == 0) | |
2403 | { | |
2404 | if (seclet->u.fill.value != 0) | |
2405 | abort (); | |
2406 | } | |
2407 | else | |
2408 | { | |
2409 | char *d = (char *) bfd_alloc (abfd, seclet->size); | |
2410 | unsigned int i; | |
2411 | boolean ret; | |
2412 | ||
2413 | for (i = 0; i < seclet->size; i+=2) | |
2414 | d[i] = seclet->u.fill.value >> 8; | |
2415 | for (i = 1; i < seclet->size; i+=2) | |
2416 | d[i] = seclet->u.fill.value; | |
2417 | ret = bfd_set_section_contents (abfd, section, d, seclet->offset, | |
2418 | seclet->size); | |
2419 | bfd_release (abfd, (PTR) d); | |
2420 | return ret; | |
2421 | } | |
2422 | break; | |
8fa0d3a0 ILT |
2423 | |
2424 | default: | |
2425 | abort(); | |
2426 | } | |
2427 | ||
2428 | return true; | |
2429 | } | |
2430 | ||
2431 | /* Add a string to the debugging information we are accumulating for a | |
2432 | file. Return the offset from the fdr string base or from the | |
2433 | external string base. */ | |
2434 | ||
2435 | static long | |
f6409552 ILT |
2436 | ecoff_add_string (output_bfd, fdr, string, external) |
2437 | bfd *output_bfd; | |
2438 | FDR *fdr; | |
2439 | CONST char *string; | |
2440 | boolean external; | |
8fa0d3a0 ILT |
2441 | { |
2442 | HDRR *symhdr; | |
2443 | size_t len; | |
2444 | long ret; | |
2445 | ||
2446 | symhdr = &ecoff_data (output_bfd)->symbolic_header; | |
2447 | len = strlen (string); | |
2448 | if (external) | |
2449 | { | |
2450 | strcpy (ecoff_data (output_bfd)->ssext + symhdr->issExtMax, string); | |
2451 | ret = symhdr->issExtMax; | |
2452 | symhdr->issExtMax += len + 1; | |
2453 | } | |
2454 | else | |
2455 | { | |
2456 | strcpy (ecoff_data (output_bfd)->ss + symhdr->issMax, string); | |
2457 | ret = fdr->cbSs; | |
2458 | symhdr->issMax += len + 1; | |
2459 | fdr->cbSs += len + 1; | |
2460 | } | |
2461 | return ret; | |
2462 | } | |
2463 | ||
2464 | /* Accumulate the debugging information from an input section. */ | |
2465 | ||
2466 | static boolean | |
f6409552 ILT |
2467 | ecoff_get_debug (output_bfd, seclet, section, relocateable) |
2468 | bfd *output_bfd; | |
2469 | bfd_seclet_type *seclet; | |
2470 | asection *section; | |
2471 | boolean relocateable; | |
8fa0d3a0 ILT |
2472 | { |
2473 | bfd *input_bfd; | |
2474 | HDRR *output_symhdr; | |
2475 | HDRR *input_symhdr; | |
2476 | ecoff_data_type *output_ecoff; | |
2477 | ecoff_data_type *input_ecoff; | |
c3fe0c41 ILT |
2478 | unsigned int count; |
2479 | struct sym_ext *sym_out; | |
c3fe0c41 ILT |
2480 | ecoff_symbol_type *esym_ptr; |
2481 | ecoff_symbol_type *esym_end; | |
8fa0d3a0 ILT |
2482 | FDR *fdr_ptr; |
2483 | FDR *fdr_end; | |
2484 | struct fdr_ext *fdr_out; | |
8fa0d3a0 ILT |
2485 | |
2486 | input_bfd = seclet->u.indirect.section->owner; | |
2487 | ||
2488 | /* Don't get the information more than once. */ | |
2489 | if (input_bfd->output_has_begun) | |
2490 | return true; | |
2491 | input_bfd->output_has_begun = true; | |
2492 | ||
2493 | output_ecoff = ecoff_data (output_bfd); | |
2494 | output_symhdr = &output_ecoff->symbolic_header; | |
2495 | ||
2496 | if (input_bfd->xvec->flavour != bfd_target_ecoff_flavour) | |
2497 | { | |
2498 | FDR fdr; | |
2499 | asymbol **symbols; | |
2500 | asymbol **sym_ptr; | |
2501 | asymbol **sym_end; | |
2502 | ||
2503 | /* This is not an ECOFF BFD. Just gather the symbols. */ | |
2504 | ||
2505 | memset (&fdr, 0, sizeof fdr); | |
2506 | ||
2507 | fdr.adr = bfd_get_section_vma (output_bfd, section) + seclet->offset; | |
2508 | fdr.issBase = output_symhdr->issMax; | |
2509 | fdr.cbSs = 0; | |
2510 | fdr.rss = ecoff_add_string (output_bfd, | |
2511 | &fdr, | |
2512 | bfd_get_filename (input_bfd), | |
2513 | false); | |
2514 | fdr.isymBase = output_symhdr->isymMax; | |
2515 | ||
c3fe0c41 | 2516 | /* Get the local symbols from the input BFD. */ |
8fa0d3a0 ILT |
2517 | symbols = (asymbol **) bfd_alloc (output_bfd, |
2518 | get_symtab_upper_bound (input_bfd)); | |
2519 | if (symbols == (asymbol **) NULL) | |
2520 | { | |
2521 | bfd_error = no_memory; | |
2522 | return false; | |
2523 | } | |
2524 | sym_end = symbols + bfd_canonicalize_symtab (input_bfd, symbols); | |
2525 | ||
c3fe0c41 ILT |
2526 | /* Handle the local symbols. Any external symbols are handled |
2527 | separately. */ | |
8fa0d3a0 ILT |
2528 | fdr.csym = 0; |
2529 | for (sym_ptr = symbols; sym_ptr != sym_end; sym_ptr++) | |
2530 | { | |
2531 | SYMR internal_sym; | |
2532 | ||
2533 | if (((*sym_ptr)->flags & BSF_EXPORT) != 0) | |
2534 | continue; | |
2535 | memset (&internal_sym, 0, sizeof internal_sym); | |
2536 | internal_sym.iss = ecoff_add_string (output_bfd, | |
2537 | &fdr, | |
2538 | (*sym_ptr)->name, | |
2539 | false); | |
5e462ed9 ILT |
2540 | |
2541 | if (bfd_is_com_section ((*sym_ptr)->section) | |
2542 | || (*sym_ptr)->section == &bfd_und_section) | |
2543 | internal_sym.value = (*sym_ptr)->value; | |
2544 | else | |
2545 | internal_sym.value = ((*sym_ptr)->value | |
2546 | + (*sym_ptr)->section->output_offset | |
2547 | + (*sym_ptr)->section->output_section->vma); | |
8fa0d3a0 ILT |
2548 | internal_sym.st = stNil; |
2549 | internal_sym.sc = scUndefined; | |
2550 | internal_sym.index = indexNil; | |
2551 | ecoff_swap_sym_out (output_bfd, &internal_sym, | |
2552 | (output_ecoff->external_sym | |
2553 | + output_symhdr->isymMax)); | |
2554 | ++fdr.csym; | |
2555 | ++output_symhdr->isymMax; | |
2556 | } | |
2557 | ||
8fa0d3a0 ILT |
2558 | bfd_release (output_bfd, (PTR) symbols); |
2559 | ||
c3fe0c41 ILT |
2560 | /* Leave everything else in the FDR zeroed out. This will cause |
2561 | the lang field to be langC. The fBigendian field will | |
2562 | indicate little endian format, but it doesn't matter because | |
2563 | it only applies to aux fields and there are none. */ | |
8fa0d3a0 ILT |
2564 | |
2565 | ecoff_swap_fdr_out (output_bfd, &fdr, | |
2566 | (output_ecoff->external_fdr | |
2567 | + output_symhdr->ifdMax)); | |
2568 | ++output_symhdr->ifdMax; | |
2569 | return true; | |
2570 | } | |
2571 | ||
2572 | /* This is an ECOFF BFD. We want to grab the information from | |
2573 | input_bfd and attach it to output_bfd. */ | |
c3fe0c41 ILT |
2574 | count = bfd_get_symcount (input_bfd); |
2575 | if (count == 0) | |
8fa0d3a0 ILT |
2576 | return true; |
2577 | input_ecoff = ecoff_data (input_bfd); | |
2578 | input_symhdr = &input_ecoff->symbolic_header; | |
2579 | ||
c3fe0c41 ILT |
2580 | /* I think that it is more efficient to simply copy the debugging |
2581 | information from the input BFD to the output BFD. Because ECOFF | |
2582 | uses relative pointers for most of the debugging information, | |
2583 | only a little of it has to be changed at all. */ | |
2584 | ||
2585 | /* Swap in the local symbols, adjust their values, and swap them out | |
2586 | again. The external symbols are handled separately. */ | |
2587 | sym_out = output_ecoff->external_sym + output_symhdr->isymMax; | |
2588 | ||
2589 | esym_ptr = ecoff_data (input_bfd)->canonical_symbols; | |
2590 | esym_end = esym_ptr + count; | |
2591 | for (; esym_ptr < esym_end; esym_ptr++) | |
2592 | { | |
2593 | if (esym_ptr->local) | |
2594 | { | |
2595 | SYMR sym; | |
2596 | ||
2597 | ecoff_swap_sym_in (input_bfd, esym_ptr->native.lnative, &sym); | |
5e462ed9 ILT |
2598 | |
2599 | /* If we're producing an executable, move common symbols | |
2600 | into bss. */ | |
2601 | if (relocateable == false) | |
2602 | { | |
2603 | if (sym.sc == scCommon) | |
2604 | sym.sc = scBss; | |
2605 | else if (sym.sc == scSCommon) | |
2606 | sym.sc = scSBss; | |
2607 | } | |
2608 | ||
382f2a3d | 2609 | if (! bfd_is_com_section (esym_ptr->symbol.section) |
c3fe0c41 ILT |
2610 | && (esym_ptr->symbol.flags & BSF_DEBUGGING) == 0 |
2611 | && esym_ptr->symbol.section != &bfd_und_section) | |
2612 | sym.value = (esym_ptr->symbol.value | |
2613 | + esym_ptr->symbol.section->output_offset | |
2614 | + esym_ptr->symbol.section->output_section->vma); | |
2615 | ecoff_swap_sym_out (output_bfd, &sym, sym_out); | |
2616 | ++sym_out; | |
2617 | } | |
2618 | } | |
2619 | ||
2620 | /* That should have accounted for all the local symbols in | |
2621 | input_bfd. */ | |
2622 | BFD_ASSERT ((sym_out - output_ecoff->external_sym) - output_symhdr->isymMax | |
2623 | == input_symhdr->isymMax); | |
2624 | ||
2625 | /* Copy the information that does not need swapping. */ | |
2626 | memcpy (output_ecoff->line + output_symhdr->cbLine, | |
8fa0d3a0 ILT |
2627 | input_ecoff->line, |
2628 | input_symhdr->cbLine * sizeof (unsigned char)); | |
2629 | memcpy (output_ecoff->external_aux + output_symhdr->iauxMax, | |
2630 | input_ecoff->external_aux, | |
2631 | input_symhdr->iauxMax * sizeof (union aux_ext)); | |
2632 | memcpy (output_ecoff->ss + output_symhdr->issMax, | |
2633 | input_ecoff->ss, | |
2634 | input_symhdr->issMax * sizeof (char)); | |
8fa0d3a0 ILT |
2635 | |
2636 | /* Some of the information may need to be swapped. */ | |
c3fe0c41 ILT |
2637 | if (output_bfd->xvec->header_byteorder_big_p |
2638 | == input_bfd->xvec->header_byteorder_big_p) | |
8fa0d3a0 ILT |
2639 | { |
2640 | /* The two BFD's have the same endianness, so memcpy will | |
2641 | suffice. */ | |
2642 | memcpy (output_ecoff->external_dnr + output_symhdr->idnMax, | |
2643 | input_ecoff->external_dnr, | |
2644 | input_symhdr->idnMax * sizeof (struct dnr_ext)); | |
2645 | memcpy (output_ecoff->external_pdr + output_symhdr->ipdMax, | |
2646 | input_ecoff->external_pdr, | |
2647 | input_symhdr->ipdMax * sizeof (struct pdr_ext)); | |
8fa0d3a0 ILT |
2648 | memcpy (output_ecoff->external_opt + output_symhdr->ioptMax, |
2649 | input_ecoff->external_opt, | |
2650 | input_symhdr->ioptMax * sizeof (struct opt_ext)); | |
2651 | } | |
2652 | else | |
2653 | { | |
2654 | struct dnr_ext *dnr_in; | |
2655 | struct dnr_ext *dnr_end; | |
2656 | struct dnr_ext *dnr_out; | |
2657 | struct pdr_ext *pdr_in; | |
2658 | struct pdr_ext *pdr_end; | |
2659 | struct pdr_ext *pdr_out; | |
8fa0d3a0 ILT |
2660 | struct opt_ext *opt_in; |
2661 | struct opt_ext *opt_end; | |
2662 | struct opt_ext *opt_out; | |
2663 | ||
2664 | /* The two BFD's have different endianness, so we must swap | |
2665 | everything in and out. This code would always work, but it | |
c3fe0c41 | 2666 | would be slow in the normal case. */ |
8fa0d3a0 ILT |
2667 | dnr_in = input_ecoff->external_dnr; |
2668 | dnr_end = dnr_in + input_symhdr->idnMax; | |
2669 | dnr_out = output_ecoff->external_dnr + output_symhdr->idnMax; | |
2670 | for (; dnr_in < dnr_end; dnr_in++, dnr_out++) | |
2671 | { | |
2672 | DNR dnr; | |
2673 | ||
2674 | ecoff_swap_dnr_in (input_bfd, dnr_in, &dnr); | |
2675 | ecoff_swap_dnr_out (output_bfd, &dnr, dnr_out); | |
2676 | } | |
2677 | pdr_in = input_ecoff->external_pdr; | |
2678 | pdr_end = pdr_in + input_symhdr->ipdMax; | |
2679 | pdr_out = output_ecoff->external_pdr + output_symhdr->ipdMax; | |
2680 | for (; pdr_in < pdr_end; pdr_in++, pdr_out++) | |
2681 | { | |
2682 | PDR pdr; | |
2683 | ||
2684 | ecoff_swap_pdr_in (input_bfd, pdr_in, &pdr); | |
2685 | ecoff_swap_pdr_out (output_bfd, &pdr, pdr_out); | |
2686 | } | |
8fa0d3a0 ILT |
2687 | opt_in = input_ecoff->external_opt; |
2688 | opt_end = opt_in + input_symhdr->ioptMax; | |
2689 | opt_out = output_ecoff->external_opt + output_symhdr->ioptMax; | |
2690 | for (; opt_in < opt_end; opt_in++, opt_out++) | |
2691 | { | |
2692 | OPTR opt; | |
2693 | ||
2694 | ecoff_swap_opt_in (input_bfd, opt_in, &opt); | |
2695 | ecoff_swap_opt_out (output_bfd, &opt, opt_out); | |
2696 | } | |
2697 | } | |
2698 | ||
c3fe0c41 ILT |
2699 | /* Set ifdbase so that the external symbols know how to adjust their |
2700 | ifd values. */ | |
2701 | input_ecoff->ifdbase = output_symhdr->ifdMax; | |
2702 | ||
8fa0d3a0 ILT |
2703 | fdr_ptr = input_ecoff->fdr; |
2704 | fdr_end = fdr_ptr + input_symhdr->ifdMax; | |
2705 | fdr_out = output_ecoff->external_fdr + output_symhdr->ifdMax; | |
2706 | for (; fdr_ptr < fdr_end; fdr_ptr++, fdr_out++) | |
2707 | { | |
2708 | FDR fdr; | |
2709 | ||
2710 | fdr = *fdr_ptr; | |
2711 | ||
2712 | /* The memory address for this fdr is the address for the seclet | |
2713 | plus the offset to this fdr within input_bfd. */ | |
2714 | fdr.adr = (bfd_get_section_vma (output_bfd, section) | |
2715 | + seclet->offset | |
2716 | + (fdr_ptr->adr - input_ecoff->fdr->adr)); | |
2717 | ||
bf4b84bc ILT |
2718 | fdr.issBase += output_symhdr->issMax; |
2719 | fdr.isymBase += output_symhdr->isymMax; | |
2720 | fdr.ilineBase += output_symhdr->ilineMax; | |
2721 | fdr.ioptBase += output_symhdr->ioptMax; | |
2722 | fdr.ipdFirst += output_symhdr->ipdMax; | |
2723 | fdr.iauxBase += output_symhdr->iauxMax; | |
2724 | fdr.rfdBase += output_symhdr->crfd; | |
c3fe0c41 ILT |
2725 | |
2726 | /* If there are no RFD's, we are going to add some. We don't | |
2727 | want to adjust irfd for this, so that all the FDR's can share | |
2728 | the RFD's. */ | |
2729 | if (input_symhdr->crfd == 0) | |
2730 | fdr.crfd = input_symhdr->ifdMax; | |
2731 | ||
2732 | if (fdr.cbLine != 0) | |
bf4b84bc | 2733 | fdr.cbLineOffset += output_symhdr->cbLine; |
8fa0d3a0 ILT |
2734 | |
2735 | ecoff_swap_fdr_out (output_bfd, &fdr, fdr_out); | |
2736 | } | |
2737 | ||
2738 | if (input_symhdr->crfd > 0) | |
2739 | { | |
2740 | struct rfd_ext *rfd_in; | |
2741 | struct rfd_ext *rfd_end; | |
2742 | struct rfd_ext *rfd_out; | |
2743 | ||
2744 | /* Swap and adjust the RFD's. RFD's are only created by the | |
2745 | linker, so this will only be necessary if one of the input | |
2746 | files is the result of a partial link. Presumably all | |
2747 | necessary RFD's are present. */ | |
2748 | rfd_in = input_ecoff->external_rfd; | |
2749 | rfd_end = rfd_in + input_symhdr->crfd; | |
2750 | rfd_out = output_ecoff->external_rfd + output_symhdr->crfd; | |
2751 | for (; rfd_in < rfd_end; rfd_in++, rfd_out++) | |
2752 | { | |
2753 | RFDT rfd; | |
2754 | ||
2755 | ecoff_swap_rfd_in (input_bfd, rfd_in, &rfd); | |
2756 | rfd += output_symhdr->ifdMax; | |
2757 | ecoff_swap_rfd_out (output_bfd, &rfd, rfd_out); | |
2758 | } | |
2759 | output_symhdr->crfd += input_symhdr->crfd; | |
2760 | } | |
2761 | else | |
2762 | { | |
2763 | struct rfd_ext *rfd_out; | |
2764 | struct rfd_ext *rfd_end; | |
2765 | RFDT rfd; | |
2766 | ||
2767 | /* Create RFD's. Some of the debugging information includes | |
2768 | relative file indices. These indices are taken as indices to | |
2769 | the RFD table if there is one, or to the global table if | |
2770 | there is not. If we did not create RFD's, we would have to | |
2771 | parse and adjust all the debugging information which contains | |
2772 | file indices. */ | |
2773 | rfd = output_symhdr->ifdMax; | |
2774 | rfd_out = output_ecoff->external_rfd + output_symhdr->crfd; | |
2775 | rfd_end = rfd_out + input_symhdr->ifdMax; | |
2776 | for (; rfd_out < rfd_end; rfd_out++, rfd++) | |
2777 | ecoff_swap_rfd_out (output_bfd, &rfd, rfd_out); | |
2778 | output_symhdr->crfd += input_symhdr->ifdMax; | |
2779 | } | |
2780 | ||
c3fe0c41 ILT |
2781 | /* Combine the register masks. */ |
2782 | { | |
2783 | int i; | |
8fa0d3a0 | 2784 | |
c3fe0c41 | 2785 | output_ecoff->gprmask |= input_ecoff->gprmask; |
5e462ed9 | 2786 | for (i = 0; i < 4; i++) |
c3fe0c41 ILT |
2787 | output_ecoff->cprmask[i] |= input_ecoff->cprmask[i]; |
2788 | } | |
8fa0d3a0 ILT |
2789 | |
2790 | /* Update the counts. */ | |
2791 | output_symhdr->ilineMax += input_symhdr->ilineMax; | |
2792 | output_symhdr->cbLine += input_symhdr->cbLine; | |
2793 | output_symhdr->idnMax += input_symhdr->idnMax; | |
2794 | output_symhdr->ipdMax += input_symhdr->ipdMax; | |
2795 | output_symhdr->isymMax += input_symhdr->isymMax; | |
2796 | output_symhdr->ioptMax += input_symhdr->ioptMax; | |
2797 | output_symhdr->iauxMax += input_symhdr->iauxMax; | |
2798 | output_symhdr->issMax += input_symhdr->issMax; | |
8fa0d3a0 | 2799 | output_symhdr->ifdMax += input_symhdr->ifdMax; |
8fa0d3a0 | 2800 | |
8fa0d3a0 ILT |
2801 | return true; |
2802 | } | |
2803 | ||
2804 | /* This is the actual link routine. It makes two passes over all the | |
2805 | seclets. */ | |
2806 | ||
2807 | static boolean | |
f6409552 ILT |
2808 | ecoff_bfd_seclet_link (abfd, data, relocateable) |
2809 | bfd *abfd; | |
2810 | PTR data; | |
2811 | boolean relocateable; | |
8fa0d3a0 ILT |
2812 | { |
2813 | HDRR *symhdr; | |
2814 | int ipass; | |
2815 | register asection *o; | |
2816 | register bfd_seclet_type *p; | |
c3fe0c41 | 2817 | asymbol **sym_ptr_ptr; |
8fa0d3a0 ILT |
2818 | bfd_size_type size; |
2819 | char *raw; | |
2820 | ||
2821 | /* We accumulate the debugging information counts in the symbolic | |
2822 | header. */ | |
2823 | symhdr = &ecoff_data (abfd)->symbolic_header; | |
c3fe0c41 ILT |
2824 | symhdr->magic = magicSym; |
2825 | /* FIXME: What should the version stamp be? */ | |
2826 | symhdr->vstamp = 0; | |
8fa0d3a0 ILT |
2827 | symhdr->ilineMax = 0; |
2828 | symhdr->cbLine = 0; | |
2829 | symhdr->idnMax = 0; | |
2830 | symhdr->ipdMax = 0; | |
2831 | symhdr->isymMax = 0; | |
2832 | symhdr->ioptMax = 0; | |
2833 | symhdr->iauxMax = 0; | |
2834 | symhdr->issMax = 0; | |
2835 | symhdr->issExtMax = 0; | |
2836 | symhdr->ifdMax = 0; | |
2837 | symhdr->crfd = 0; | |
2838 | symhdr->iextMax = 0; | |
2839 | ||
c3fe0c41 ILT |
2840 | /* We need to copy over the debugging symbols from each input BFD. |
2841 | When we do this copying, we have to adjust the text address in | |
2842 | the FDR structures, so we have to know the text address used for | |
2843 | the input BFD. Since we only want to copy the symbols once per | |
2844 | input BFD, but we are going to look at each input BFD multiple | |
2845 | times (once for each section it provides), we arrange to always | |
2846 | look at the text section first. That means that when we copy the | |
2847 | debugging information, we always know the text address. So we | |
2848 | actually do each pass in two sub passes; first the text sections, | |
2849 | then the non-text sections. We use the output_has_begun flag to | |
2850 | determine whether we have copied over the debugging information | |
2851 | yet. */ | |
8fa0d3a0 ILT |
2852 | |
2853 | /* Do the first pass: set the output section contents and count the | |
2854 | debugging information. */ | |
2855 | ecoff_clear_output_flags (abfd); | |
2856 | for (ipass = 0; ipass < 2; ipass++) | |
2857 | { | |
2858 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
2859 | { | |
2860 | /* For SEC_CODE sections, (flags & SEC_CODE) == 0 is false, | |
2861 | so they are done on pass 0. For other sections the | |
2862 | expression is true, so they are done on pass 1. */ | |
2863 | if (((o->flags & SEC_CODE) == 0) != ipass) | |
2864 | continue; | |
2865 | ||
2866 | for (p = o->seclets_head; | |
2867 | p != (bfd_seclet_type *) NULL; | |
2868 | p = p->next) | |
2869 | { | |
2870 | if (ecoff_dump_seclet (abfd, p, o, data, relocateable) | |
2871 | == false) | |
2872 | return false; | |
2873 | } | |
2874 | } | |
2875 | } | |
2876 | ||
c3fe0c41 ILT |
2877 | /* We handle the external symbols differently. We use the ones |
2878 | attached to the output_bfd. The linker will have already | |
2879 | determined which symbols are to be attached. Here we just | |
2880 | determine how much space we will need for them. */ | |
2881 | sym_ptr_ptr = bfd_get_outsymbols (abfd); | |
2882 | if (sym_ptr_ptr != NULL) | |
2883 | { | |
2884 | asymbol **sym_end; | |
2885 | ||
2886 | sym_end = sym_ptr_ptr + bfd_get_symcount (abfd); | |
2887 | for (; sym_ptr_ptr < sym_end; sym_ptr_ptr++) | |
2888 | { | |
2889 | if (((*sym_ptr_ptr)->flags & BSF_DEBUGGING) == 0 | |
2890 | && ((*sym_ptr_ptr)->flags & BSF_LOCAL) == 0) | |
2891 | { | |
2892 | ++symhdr->iextMax; | |
2893 | symhdr->issExtMax += strlen ((*sym_ptr_ptr)->name) + 1; | |
2894 | } | |
2895 | } | |
2896 | } | |
2897 | ||
2898 | /* Adjust the counts so that structures are longword aligned. */ | |
2899 | symhdr->cbLine = (symhdr->cbLine + 3) &~ 3; | |
2900 | symhdr->issMax = (symhdr->issMax + 3) &~ 3; | |
2901 | symhdr->issExtMax = (symhdr->issExtMax + 3) &~ 3; | |
2902 | ||
8fa0d3a0 ILT |
2903 | /* Now the counts in symhdr are the correct size for the debugging |
2904 | information. We allocate the right amount of space, and reset | |
2905 | the counts so that the second pass can use them as indices. It | |
2906 | would be possible to output the debugging information directly to | |
2907 | the file in pass 2, rather than to build it in memory and then | |
2908 | write it out. Outputting to the file would require a lot of | |
2909 | seeks and small writes, though, and I think this approach is | |
2910 | faster. */ | |
2911 | size = (symhdr->cbLine * sizeof (unsigned char) | |
2912 | + symhdr->idnMax * sizeof (struct dnr_ext) | |
2913 | + symhdr->ipdMax * sizeof (struct pdr_ext) | |
2914 | + symhdr->isymMax * sizeof (struct sym_ext) | |
2915 | + symhdr->ioptMax * sizeof (struct opt_ext) | |
2916 | + symhdr->iauxMax * sizeof (union aux_ext) | |
2917 | + symhdr->issMax * sizeof (char) | |
2918 | + symhdr->issExtMax * sizeof (char) | |
2919 | + symhdr->ifdMax * sizeof (struct fdr_ext) | |
2920 | + symhdr->crfd * sizeof (struct rfd_ext) | |
2921 | + symhdr->iextMax * sizeof (struct ext_ext)); | |
2922 | raw = (char *) bfd_alloc (abfd, size); | |
2923 | if (raw == (char *) NULL) | |
2924 | { | |
2925 | bfd_error = no_memory; | |
2926 | return false; | |
2927 | } | |
2928 | ecoff_data (abfd)->raw_size = size; | |
2929 | ecoff_data (abfd)->raw_syments = (PTR) raw; | |
2930 | ||
2931 | /* Initialize the raw pointers. */ | |
2932 | #define SET(field, count, type) \ | |
2933 | ecoff_data (abfd)->field = (type *) raw; \ | |
2934 | raw += symhdr->count * sizeof (type) | |
2935 | ||
2936 | SET (line, cbLine, unsigned char); | |
2937 | SET (external_dnr, idnMax, struct dnr_ext); | |
2938 | SET (external_pdr, ipdMax, struct pdr_ext); | |
2939 | SET (external_sym, isymMax, struct sym_ext); | |
2940 | SET (external_opt, ioptMax, struct opt_ext); | |
2941 | SET (external_aux, iauxMax, union aux_ext); | |
2942 | SET (ss, issMax, char); | |
2943 | SET (ssext, issExtMax, char); | |
2944 | SET (external_fdr, ifdMax, struct fdr_ext); | |
2945 | SET (external_rfd, crfd, struct rfd_ext); | |
2946 | SET (external_ext, iextMax, struct ext_ext); | |
2947 | #undef SET | |
2948 | ||
2949 | /* Reset the counts so the second pass can use them to know how far | |
2950 | it has gotten. */ | |
2951 | symhdr->ilineMax = 0; | |
2952 | symhdr->cbLine = 0; | |
2953 | symhdr->idnMax = 0; | |
2954 | symhdr->ipdMax = 0; | |
2955 | symhdr->isymMax = 0; | |
2956 | symhdr->ioptMax = 0; | |
2957 | symhdr->iauxMax = 0; | |
2958 | symhdr->issMax = 0; | |
2959 | symhdr->issExtMax = 0; | |
2960 | symhdr->ifdMax = 0; | |
2961 | symhdr->crfd = 0; | |
2962 | symhdr->iextMax = 0; | |
2963 | ||
2964 | /* Do the second pass: accumulate the debugging information. */ | |
2965 | ecoff_clear_output_flags (abfd); | |
2966 | for (ipass = 0; ipass < 2; ipass++) | |
2967 | { | |
2968 | for (o = abfd->sections; o != (asection *) NULL; o = o->next) | |
2969 | { | |
2970 | if (((o->flags & SEC_CODE) == 0) != ipass) | |
2971 | continue; | |
2972 | for (p = o->seclets_head; | |
2973 | p != (bfd_seclet_type *) NULL; | |
2974 | p = p->next) | |
2975 | { | |
2976 | if (p->type == bfd_indirect_seclet) | |
2977 | { | |
5e462ed9 | 2978 | if (ecoff_get_debug (abfd, p, o, relocateable) == false) |
8fa0d3a0 ILT |
2979 | return false; |
2980 | } | |
2981 | } | |
2982 | } | |
2983 | } | |
2984 | ||
c3fe0c41 ILT |
2985 | /* Put in the external symbols. */ |
2986 | sym_ptr_ptr = bfd_get_outsymbols (abfd); | |
2987 | if (sym_ptr_ptr != NULL) | |
2988 | { | |
2989 | char *ssext; | |
2990 | struct ext_ext *external_ext; | |
2991 | ||
2992 | ssext = ecoff_data (abfd)->ssext; | |
2993 | external_ext = ecoff_data (abfd)->external_ext; | |
2994 | for (; *sym_ptr_ptr != NULL; sym_ptr_ptr++) | |
2995 | { | |
2996 | asymbol *sym_ptr; | |
2997 | EXTR esym; | |
2998 | ||
2999 | sym_ptr = *sym_ptr_ptr; | |
3000 | ||
3001 | if ((sym_ptr->flags & BSF_DEBUGGING) != 0 | |
3002 | || (sym_ptr->flags & BSF_LOCAL) != 0) | |
3003 | continue; | |
3004 | ||
3005 | /* The enative pointer can be NULL for a symbol created by | |
3006 | the linker via ecoff_make_empty_symbol. */ | |
3007 | if (bfd_asymbol_flavour (sym_ptr) != bfd_target_ecoff_flavour | |
3008 | || (((ecoff_symbol_type *) sym_ptr)->native.enative | |
3009 | == (struct ext_ext *) NULL)) | |
3010 | { | |
3011 | esym.jmptbl = 0; | |
3012 | esym.cobol_main = 0; | |
3013 | esym.weakext = 0; | |
3014 | esym.reserved = 0; | |
3015 | esym.ifd = ifdNil; | |
3016 | /* FIXME: we can do better than this for st and sc. */ | |
3017 | esym.asym.st = stGlobal; | |
3018 | esym.asym.sc = scAbs; | |
3019 | esym.asym.reserved = 0; | |
3020 | esym.asym.index = indexNil; | |
3021 | } | |
3022 | else | |
3023 | { | |
3024 | ecoff_symbol_type *ecoff_sym_ptr; | |
3025 | ||
3026 | ecoff_sym_ptr = (ecoff_symbol_type *) sym_ptr; | |
3027 | if (ecoff_sym_ptr->local) | |
3028 | abort (); | |
3029 | ecoff_swap_ext_in (abfd, ecoff_sym_ptr->native.enative, &esym); | |
3030 | ||
5e462ed9 ILT |
3031 | /* If we're producing an executable, move common symbols |
3032 | into bss. */ | |
3033 | if (relocateable == false) | |
3034 | { | |
3035 | if (esym.asym.sc == scCommon) | |
3036 | esym.asym.sc = scBss; | |
3037 | else if (esym.asym.sc == scSCommon) | |
3038 | esym.asym.sc = scSBss; | |
3039 | } | |
3040 | ||
c3fe0c41 ILT |
3041 | /* Adjust the FDR index for the symbol by that used for |
3042 | the input BFD. */ | |
3043 | esym.ifd += ecoff_data (bfd_asymbol_bfd (sym_ptr))->ifdbase; | |
3044 | } | |
3045 | ||
3046 | esym.asym.iss = symhdr->issExtMax; | |
3047 | ||
382f2a3d | 3048 | if (bfd_is_com_section (sym_ptr->section) |
c3fe0c41 ILT |
3049 | || sym_ptr->section == &bfd_und_section) |
3050 | esym.asym.value = sym_ptr->value; | |
3051 | else | |
3052 | esym.asym.value = (sym_ptr->value | |
3053 | + sym_ptr->section->output_offset | |
3054 | + sym_ptr->section->output_section->vma); | |
3055 | ||
3056 | ecoff_swap_ext_out (abfd, &esym, external_ext + symhdr->iextMax); | |
3057 | ||
3058 | ecoff_set_sym_index (sym_ptr, symhdr->iextMax); | |
3059 | ||
3060 | ++symhdr->iextMax; | |
3061 | ||
3062 | strcpy (ssext + symhdr->issExtMax, sym_ptr->name); | |
3063 | symhdr->issExtMax += strlen (sym_ptr->name) + 1; | |
3064 | } | |
3065 | } | |
3066 | ||
3067 | /* Adjust the counts so that structures are longword aligned. */ | |
3068 | symhdr->cbLine = (symhdr->cbLine + 3) &~ 3; | |
3069 | symhdr->issMax = (symhdr->issMax + 3) &~ 3; | |
3070 | symhdr->issExtMax = (symhdr->issExtMax + 3) &~ 3; | |
3071 | ||
8fa0d3a0 ILT |
3072 | return true; |
3073 | } | |
3074 | \f | |
3075 | /* Set the architecture. The only architecture we support here is | |
3076 | mips. We set the architecture anyhow, since many callers ignore | |
3077 | the return value. */ | |
3078 | ||
3079 | static boolean | |
f6409552 ILT |
3080 | ecoff_set_arch_mach (abfd, arch, machine) |
3081 | bfd *abfd; | |
3082 | enum bfd_architecture arch; | |
3083 | unsigned long machine; | |
8fa0d3a0 ILT |
3084 | { |
3085 | bfd_default_set_arch_mach (abfd, arch, machine); | |
3086 | return arch == bfd_arch_mips; | |
3087 | } | |
3088 | ||
5e462ed9 ILT |
3089 | /* Get the size of the section headers. We do not output the .scommon |
3090 | section which we created in ecoff_mkobject. */ | |
3091 | ||
3092 | static int | |
3093 | ecoff_sizeof_headers (abfd, reloc) | |
3094 | bfd *abfd; | |
3095 | boolean reloc; | |
3096 | { | |
3097 | return FILHSZ + AOUTSZ + (abfd->section_count - 1) * SCNHSZ; | |
3098 | } | |
3099 | ||
8fa0d3a0 ILT |
3100 | /* Calculate the file position for each section, and set |
3101 | reloc_filepos. */ | |
3102 | ||
3103 | static void | |
f6409552 ILT |
3104 | ecoff_compute_section_file_positions (abfd) |
3105 | bfd *abfd; | |
8fa0d3a0 ILT |
3106 | { |
3107 | asection *current; | |
8fa0d3a0 ILT |
3108 | file_ptr sofar; |
3109 | file_ptr old_sofar; | |
c3fe0c41 | 3110 | boolean first_data; |
8fa0d3a0 | 3111 | |
8fa0d3a0 | 3112 | if (bfd_get_start_address (abfd)) |
c3fe0c41 | 3113 | abfd->flags |= EXEC_P; |
8fa0d3a0 | 3114 | |
5e462ed9 | 3115 | sofar = ecoff_sizeof_headers (abfd, false); |
8fa0d3a0 | 3116 | |
c3fe0c41 | 3117 | first_data = true; |
8fa0d3a0 ILT |
3118 | for (current = abfd->sections; |
3119 | current != (asection *) NULL; | |
3120 | current = current->next) | |
3121 | { | |
3122 | /* Only deal with sections which have contents */ | |
5e462ed9 ILT |
3123 | if (! (current->flags & SEC_HAS_CONTENTS) |
3124 | || strcmp (current->name, SCOMMON) == 0) | |
8fa0d3a0 ILT |
3125 | continue; |
3126 | ||
c3fe0c41 ILT |
3127 | /* On Ultrix, the data sections in an executable file must be |
3128 | aligned to a page boundary within the file. This does not | |
3129 | affect the section size, though. FIXME: Does this work for | |
3130 | other platforms? */ | |
3131 | if ((abfd->flags & EXEC_P) != 0 | |
3132 | && first_data != false | |
3133 | && (current->flags & SEC_CODE) == 0) | |
3134 | { | |
3135 | sofar = (sofar + PAGE_SIZE - 1) &~ (PAGE_SIZE - 1); | |
3136 | first_data = false; | |
3137 | } | |
3138 | ||
8fa0d3a0 ILT |
3139 | /* Align the sections in the file to the same boundary on |
3140 | which they are aligned in virtual memory. */ | |
3141 | old_sofar = sofar; | |
3142 | sofar = BFD_ALIGN (sofar, 1 << current->alignment_power); | |
8fa0d3a0 ILT |
3143 | |
3144 | current->filepos = sofar; | |
3145 | ||
3146 | sofar += current->_raw_size; | |
3147 | ||
3148 | /* make sure that this section is of the right size too */ | |
3149 | old_sofar = sofar; | |
3150 | sofar = BFD_ALIGN (sofar, 1 << current->alignment_power); | |
3151 | current->_raw_size += sofar - old_sofar; | |
8fa0d3a0 ILT |
3152 | } |
3153 | ||
3154 | ecoff_data (abfd)->reloc_filepos = sofar; | |
3155 | } | |
3156 | ||
3157 | /* Set the contents of a section. */ | |
3158 | ||
3159 | static boolean | |
f6409552 ILT |
3160 | ecoff_set_section_contents (abfd, section, location, offset, count) |
3161 | bfd *abfd; | |
3162 | asection *section; | |
3163 | PTR location; | |
3164 | file_ptr offset; | |
3165 | bfd_size_type count; | |
8fa0d3a0 ILT |
3166 | { |
3167 | if (abfd->output_has_begun == false) | |
3168 | ecoff_compute_section_file_positions (abfd); | |
3169 | ||
3170 | bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET); | |
3171 | ||
3172 | if (count != 0) | |
3173 | return (bfd_write (location, 1, count, abfd) == count) ? true : false; | |
3174 | ||
3175 | return true; | |
3176 | } | |
3177 | ||
3178 | /* Write out an ECOFF file. */ | |
3179 | ||
3180 | static boolean | |
f6409552 ILT |
3181 | ecoff_write_object_contents (abfd) |
3182 | bfd *abfd; | |
8fa0d3a0 ILT |
3183 | { |
3184 | asection *current; | |
3185 | unsigned int count; | |
3186 | file_ptr scn_base; | |
3187 | file_ptr reloc_base; | |
3188 | file_ptr sym_base; | |
3189 | unsigned long reloc_size; | |
3190 | unsigned long text_size; | |
3191 | unsigned long text_start; | |
3192 | unsigned long data_size; | |
3193 | unsigned long data_start; | |
3194 | unsigned long bss_size; | |
3195 | struct internal_filehdr internal_f; | |
3196 | struct internal_aouthdr internal_a; | |
c3fe0c41 | 3197 | int i; |
8fa0d3a0 ILT |
3198 | |
3199 | bfd_error = system_call_error; | |
3200 | ||
3201 | if(abfd->output_has_begun == false) | |
3202 | ecoff_compute_section_file_positions(abfd); | |
3203 | ||
3204 | if (abfd->sections != (asection *) NULL) | |
3205 | scn_base = abfd->sections->filepos; | |
3206 | else | |
3207 | scn_base = 0; | |
3208 | reloc_base = ecoff_data (abfd)->reloc_filepos; | |
3209 | ||
3210 | count = 1; | |
3211 | reloc_size = 0; | |
3212 | for (current = abfd->sections; | |
3213 | current != (asection *)NULL; | |
3214 | current = current->next) | |
3215 | { | |
5e462ed9 ILT |
3216 | if (strcmp (current->name, SCOMMON) == 0) |
3217 | continue; | |
8fa0d3a0 ILT |
3218 | current->target_index = count; |
3219 | ++count; | |
3220 | if (current->reloc_count != 0) | |
3221 | { | |
3222 | bfd_size_type relsize; | |
3223 | ||
3224 | current->rel_filepos = reloc_base; | |
3225 | relsize = current->reloc_count * RELSZ; | |
3226 | reloc_size += relsize; | |
3227 | reloc_base += relsize; | |
3228 | } | |
3229 | else | |
3230 | current->rel_filepos = 0; | |
3231 | } | |
3232 | ||
3233 | sym_base = reloc_base + reloc_size; | |
c3fe0c41 ILT |
3234 | |
3235 | /* At least on Ultrix, the symbol table of an executable file must | |
3236 | be aligned to a page boundary. FIXME: Is this true on other | |
3237 | platforms? */ | |
3238 | if ((abfd->flags & EXEC_P) != 0) | |
3239 | sym_base = (sym_base + PAGE_SIZE - 1) &~ (PAGE_SIZE - 1); | |
3240 | ||
8fa0d3a0 ILT |
3241 | ecoff_data (abfd)->sym_filepos = sym_base; |
3242 | ||
5e462ed9 | 3243 | text_size = ecoff_sizeof_headers (abfd, false); |
8fa0d3a0 ILT |
3244 | text_start = 0; |
3245 | data_size = 0; | |
3246 | data_start = 0; | |
3247 | bss_size = 0; | |
3248 | ||
3249 | /* Write section headers to the file. */ | |
3250 | ||
3251 | internal_f.f_nscns = 0; | |
c3fe0c41 | 3252 | if (bfd_seek (abfd, (file_ptr) (FILHSZ + AOUTSZ), SEEK_SET) != 0) |
8fa0d3a0 ILT |
3253 | return false; |
3254 | for (current = abfd->sections; | |
3255 | current != (asection *) NULL; | |
3256 | current = current->next) | |
3257 | { | |
3258 | struct internal_scnhdr section; | |
3259 | bfd_vma vma; | |
3260 | ||
5e462ed9 ILT |
3261 | if (strcmp (current->name, SCOMMON) == 0) |
3262 | { | |
3263 | BFD_ASSERT (bfd_get_section_size_before_reloc (current) == 0 | |
3264 | && current->reloc_count == 0); | |
3265 | continue; | |
3266 | } | |
3267 | ||
8fa0d3a0 ILT |
3268 | ++internal_f.f_nscns; |
3269 | ||
3270 | strncpy (section.s_name, current->name, sizeof section.s_name); | |
3271 | ||
3272 | /* FIXME: is this correct for shared libraries? I think it is | |
3273 | but I have no platform to check. Ian Lance Taylor. */ | |
3274 | vma = bfd_get_section_vma (abfd, current); | |
3275 | if (strcmp (current->name, _LIB) == 0) | |
3276 | section.s_vaddr = 0; | |
3277 | else | |
3278 | section.s_vaddr = vma; | |
3279 | ||
3280 | section.s_paddr = vma; | |
3281 | section.s_size = bfd_get_section_size_before_reloc (current); | |
3282 | ||
3283 | /* If this section has no size or is unloadable then the scnptr | |
3284 | will be 0 too. */ | |
3285 | if (current->_raw_size == 0 | |
3286 | || (current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
3287 | section.s_scnptr = 0; | |
3288 | else | |
3289 | section.s_scnptr = current->filepos; | |
3290 | section.s_relptr = current->rel_filepos; | |
3291 | ||
3292 | /* FIXME: the lnnoptr of the .sbss or .sdata section of an | |
3293 | object file produced by the assembler is supposed to point to | |
3294 | information about how much room is required by objects of | |
3295 | various different sizes. I think this only matters if we | |
3296 | want the linker to compute the best size to use, or | |
3297 | something. I don't know what happens if the information is | |
3298 | not present. */ | |
3299 | section.s_lnnoptr = 0; | |
3300 | ||
3301 | section.s_nreloc = current->reloc_count; | |
3302 | section.s_nlnno = 0; | |
f6409552 ILT |
3303 | section.s_flags = ecoff_sec_to_styp_flags (current->name, |
3304 | current->flags); | |
8fa0d3a0 ILT |
3305 | |
3306 | { | |
3307 | SCNHDR buff; | |
3308 | ||
3309 | ecoff_swap_scnhdr_out (abfd, (PTR) §ion, (PTR) &buff); | |
3310 | if (bfd_write ((PTR) &buff, 1, SCNHSZ, abfd) != SCNHSZ) | |
3311 | return false; | |
3312 | } | |
3313 | ||
c3fe0c41 | 3314 | if ((section.s_flags & STYP_TEXT) != 0) |
8fa0d3a0 ILT |
3315 | { |
3316 | text_size += bfd_get_section_size_before_reloc (current); | |
3317 | if (text_start == 0 || text_start > vma) | |
3318 | text_start = vma; | |
3319 | } | |
c3fe0c41 ILT |
3320 | else if ((section.s_flags & STYP_RDATA) != 0 |
3321 | || (section.s_flags & STYP_DATA) != 0 | |
3322 | || (section.s_flags & STYP_LIT8) != 0 | |
3323 | || (section.s_flags & STYP_LIT4) != 0 | |
8fa0d3a0 ILT |
3324 | || (section.s_flags & STYP_SDATA) != 0) |
3325 | { | |
3326 | data_size += bfd_get_section_size_before_reloc (current); | |
3327 | if (data_start == 0 || data_start > vma) | |
3328 | data_start = vma; | |
3329 | } | |
3330 | else if ((section.s_flags & STYP_BSS) != 0 | |
3331 | || (section.s_flags & STYP_SBSS) != 0) | |
3332 | bss_size += bfd_get_section_size_before_reloc (current); | |
3333 | } | |
3334 | ||
3335 | /* Set up the file header. */ | |
3336 | ||
6d18a99d ILT |
3337 | if (abfd->xvec->header_byteorder_big_p != false) |
3338 | internal_f.f_magic = MIPS_MAGIC_BIG; | |
3339 | else | |
3340 | internal_f.f_magic = MIPS_MAGIC_LITTLE; | |
8fa0d3a0 ILT |
3341 | |
3342 | /* | |
3343 | We will NOT put a fucking timestamp in the header here. Every time you | |
3344 | put it back, I will come in and take it out again. I'm sorry. This | |
3345 | field does not belong here. We fill it with a 0 so it compares the | |
3346 | same but is not a reasonable time. -- gnu@cygnus.com | |
3347 | */ | |
3348 | internal_f.f_timdat = 0; | |
3349 | ||
c3fe0c41 ILT |
3350 | if (bfd_get_symcount (abfd) != 0) |
3351 | { | |
3352 | /* The ECOFF f_nsyms field is not actually the number of | |
3353 | symbols, it's the size of symbolic information header. */ | |
3354 | internal_f.f_nsyms = sizeof (struct hdr_ext); | |
3355 | internal_f.f_symptr = sym_base; | |
3356 | } | |
8fa0d3a0 | 3357 | else |
c3fe0c41 ILT |
3358 | { |
3359 | internal_f.f_nsyms = 0; | |
3360 | internal_f.f_symptr = 0; | |
3361 | } | |
8fa0d3a0 | 3362 | |
c3fe0c41 | 3363 | internal_f.f_opthdr = AOUTSZ; |
8fa0d3a0 | 3364 | |
c3fe0c41 | 3365 | internal_f.f_flags = F_LNNO; |
8fa0d3a0 ILT |
3366 | if (reloc_size == 0) |
3367 | internal_f.f_flags |= F_RELFLG; | |
3368 | if (bfd_get_symcount (abfd) == 0) | |
3369 | internal_f.f_flags |= F_LSYMS; | |
3370 | if (abfd->flags & EXEC_P) | |
3371 | internal_f.f_flags |= F_EXEC; | |
3372 | ||
3373 | if (! abfd->xvec->byteorder_big_p) | |
3374 | internal_f.f_flags |= F_AR32WR; | |
3375 | else | |
3376 | internal_f.f_flags |= F_AR32W; | |
3377 | ||
c3fe0c41 ILT |
3378 | /* Set up the ``optional'' header. */ |
3379 | internal_a.magic = ZMAGIC; | |
3380 | ||
f6409552 ILT |
3381 | /* FIXME: This is what Ultrix puts in, and it makes the Ultrix |
3382 | linker happy. But, is it right? */ | |
3383 | internal_a.vstamp = 0x20a; | |
c3fe0c41 ILT |
3384 | |
3385 | /* At least on Ultrix, these have to be rounded to page boundaries. | |
3386 | FIXME: Is this true on other platforms? */ | |
3387 | internal_a.tsize = (text_size + PAGE_SIZE - 1) &~ (PAGE_SIZE - 1); | |
3388 | internal_a.text_start = text_start &~ (PAGE_SIZE - 1); | |
3389 | internal_a.dsize = (data_size + PAGE_SIZE - 1) &~ (PAGE_SIZE - 1); | |
3390 | internal_a.data_start = data_start &~ (PAGE_SIZE - 1); | |
3391 | ||
3392 | /* On Ultrix, the initial portions of the .sbss and .bss segments | |
3393 | are at the end of the data section. The bsize field in the | |
3394 | optional header records how many bss bytes are required beyond | |
3395 | those in the data section. The value is not rounded to a page | |
3396 | boundary. */ | |
3397 | if (bss_size < internal_a.dsize - data_size) | |
3398 | bss_size = 0; | |
3399 | else | |
3400 | bss_size -= internal_a.dsize - data_size; | |
3401 | internal_a.bsize = bss_size; | |
3402 | internal_a.bss_start = internal_a.data_start + internal_a.dsize; | |
8fa0d3a0 | 3403 | |
c3fe0c41 | 3404 | internal_a.entry = bfd_get_start_address (abfd); |
8fa0d3a0 | 3405 | |
c3fe0c41 | 3406 | internal_a.gp_value = ecoff_data (abfd)->gp; |
8fa0d3a0 | 3407 | |
c3fe0c41 | 3408 | internal_a.gprmask = ecoff_data (abfd)->gprmask; |
5e462ed9 | 3409 | for (i = 0; i < 4; i++) |
c3fe0c41 | 3410 | internal_a.cprmask[i] = ecoff_data (abfd)->cprmask[i]; |
8fa0d3a0 ILT |
3411 | |
3412 | /* Write out the file header and the optional header. */ | |
3413 | ||
3414 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) | |
3415 | return false; | |
3416 | ||
3417 | { | |
3418 | FILHDR buff; | |
3419 | ecoff_swap_filehdr_out (abfd, (PTR) &internal_f, (PTR) &buff); | |
3420 | if (bfd_write ((PTR) &buff, 1, FILHSZ, abfd) != FILHSZ) | |
3421 | return false; | |
3422 | } | |
3423 | ||
c3fe0c41 ILT |
3424 | { |
3425 | AOUTHDR buff; | |
3426 | ||
3427 | ecoff_swap_aouthdr_out (abfd, (PTR) &internal_a, (PTR) &buff); | |
3428 | if (bfd_write ((PTR) &buff, 1, AOUTSZ, abfd) != AOUTSZ) | |
3429 | return false; | |
3430 | } | |
3431 | ||
3432 | /* Write out the relocs. */ | |
3433 | for (current = abfd->sections; | |
3434 | current != (asection *) NULL; | |
3435 | current = current->next) | |
8fa0d3a0 | 3436 | { |
c3fe0c41 ILT |
3437 | RELOC *buff; |
3438 | arelent **reloc_ptr_ptr; | |
3439 | arelent **reloc_end; | |
3440 | RELOC *out_ptr; | |
3441 | ||
3442 | if (current->reloc_count == 0) | |
3443 | continue; | |
8fa0d3a0 | 3444 | |
c3fe0c41 ILT |
3445 | buff = (RELOC *) bfd_alloc (abfd, current->reloc_count * RELSZ); |
3446 | if (buff == (RELOC *) NULL) | |
3447 | { | |
3448 | bfd_error = no_memory; | |
3449 | return false; | |
3450 | } | |
3451 | ||
3452 | reloc_ptr_ptr = current->orelocation; | |
3453 | reloc_end = reloc_ptr_ptr + current->reloc_count; | |
3454 | out_ptr = buff; | |
3455 | for (; reloc_ptr_ptr < reloc_end; reloc_ptr_ptr++, out_ptr++) | |
3456 | { | |
3457 | arelent *reloc; | |
3458 | asymbol *sym; | |
3459 | struct internal_reloc in; | |
3460 | ||
3461 | memset (&in, 0, sizeof in); | |
3462 | ||
3463 | reloc = *reloc_ptr_ptr; | |
3464 | sym = *reloc->sym_ptr_ptr; | |
3465 | ||
3466 | in.r_vaddr = reloc->address + bfd_get_section_vma (abfd, current); | |
3467 | in.r_type = reloc->howto->type; | |
3468 | if ((sym->flags & BSF_SECTION_SYM) == 0) | |
3469 | { | |
3470 | in.r_symndx = ecoff_get_sym_index (*reloc->sym_ptr_ptr); | |
3471 | in.r_extern = 1; | |
3472 | } | |
3473 | else | |
3474 | { | |
3475 | CONST char *name; | |
3476 | ||
3477 | name = bfd_get_section_name (abfd, bfd_get_section (sym)); | |
3478 | if (strcmp (name, ".text") == 0) | |
3479 | in.r_symndx = RELOC_SECTION_TEXT; | |
3480 | else if (strcmp (name, ".rdata") == 0) | |
3481 | in.r_symndx = RELOC_SECTION_RDATA; | |
3482 | else if (strcmp (name, ".data") == 0) | |
3483 | in.r_symndx = RELOC_SECTION_DATA; | |
3484 | else if (strcmp (name, ".sdata") == 0) | |
3485 | in.r_symndx = RELOC_SECTION_SDATA; | |
3486 | else if (strcmp (name, ".sbss") == 0) | |
3487 | in.r_symndx = RELOC_SECTION_SBSS; | |
3488 | else if (strcmp (name, ".bss") == 0) | |
3489 | in.r_symndx = RELOC_SECTION_BSS; | |
3490 | else if (strcmp (name, ".init") == 0) | |
3491 | in.r_symndx = RELOC_SECTION_INIT; | |
3492 | else if (strcmp (name, ".lit8") == 0) | |
3493 | in.r_symndx = RELOC_SECTION_LIT8; | |
3494 | else if (strcmp (name, ".lit4") == 0) | |
3495 | in.r_symndx = RELOC_SECTION_LIT4; | |
3496 | else | |
3497 | abort (); | |
3498 | in.r_extern = 0; | |
3499 | } | |
3500 | ||
3501 | ecoff_swap_reloc_out (abfd, (PTR) &in, (PTR) out_ptr); | |
3502 | } | |
3503 | ||
3504 | if (bfd_seek (abfd, current->rel_filepos, SEEK_SET) != 0) | |
8fa0d3a0 | 3505 | return false; |
c3fe0c41 ILT |
3506 | if (bfd_write ((PTR) buff, RELSZ, current->reloc_count, abfd) |
3507 | != RELSZ * current->reloc_count) | |
3508 | return false; | |
3509 | bfd_release (abfd, (PTR) buff); | |
8fa0d3a0 ILT |
3510 | } |
3511 | ||
8fa0d3a0 ILT |
3512 | /* Write out the symbolic debugging information. */ |
3513 | if (bfd_get_symcount (abfd) > 0) | |
3514 | { | |
c3fe0c41 ILT |
3515 | HDRR *symhdr; |
3516 | unsigned long sym_offset; | |
8fa0d3a0 ILT |
3517 | struct hdr_ext buff; |
3518 | ||
c3fe0c41 ILT |
3519 | /* Set up the offsets in the symbolic header. */ |
3520 | symhdr = &ecoff_data (abfd)->symbolic_header; | |
3521 | sym_offset = ecoff_data (abfd)->sym_filepos + sizeof (struct hdr_ext); | |
3522 | ||
3523 | #define SET(offset, size, ptr) \ | |
3524 | if (symhdr->size == 0) \ | |
3525 | symhdr->offset = 0; \ | |
3526 | else \ | |
3527 | symhdr->offset = (((char *) ecoff_data (abfd)->ptr \ | |
3528 | - (char *) ecoff_data (abfd)->raw_syments) \ | |
3529 | + sym_offset); | |
3530 | ||
3531 | SET (cbLineOffset, cbLine, line); | |
3532 | SET (cbDnOffset, idnMax, external_dnr); | |
3533 | SET (cbPdOffset, ipdMax, external_pdr); | |
3534 | SET (cbSymOffset, isymMax, external_sym); | |
3535 | SET (cbOptOffset, ioptMax, external_opt); | |
3536 | SET (cbAuxOffset, iauxMax, external_aux); | |
3537 | SET (cbSsOffset, issMax, ss); | |
3538 | SET (cbSsExtOffset, issExtMax, ssext); | |
3539 | SET (cbFdOffset, ifdMax, external_fdr); | |
3540 | SET (cbRfdOffset, crfd, external_rfd); | |
3541 | SET (cbExtOffset, iextMax, external_ext); | |
3542 | #undef SET | |
3543 | ||
3544 | if (bfd_seek (abfd, (file_ptr) ecoff_data (abfd)->sym_filepos, | |
3545 | SEEK_SET) != 0) | |
3546 | return false; | |
8fa0d3a0 ILT |
3547 | ecoff_swap_hdr_out (abfd, &ecoff_data (abfd)->symbolic_header, &buff); |
3548 | if (bfd_write ((PTR) &buff, 1, sizeof buff, abfd) != sizeof buff) | |
3549 | return false; | |
3550 | if (bfd_write ((PTR) ecoff_data (abfd)->raw_syments, 1, | |
3551 | ecoff_data (abfd)->raw_size, abfd) | |
3552 | != ecoff_data (abfd)->raw_size) | |
3553 | return false; | |
3554 | } | |
3555 | ||
3556 | return true; | |
3557 | } | |
3558 | \f | |
c3fe0c41 ILT |
3559 | /* Archive handling. ECOFF uses what appears to be a unique type of |
3560 | archive header (which I call an armap). The byte ordering of the | |
3561 | armap and the contents are encoded in the name of the armap itself. | |
3562 | At least for now, we only support archives with the same byte | |
3563 | ordering in the armap and the contents. | |
3564 | ||
3565 | The first four bytes in the armap are the number of symbol | |
23ba15b7 | 3566 | definitions. This is always a power of two. |
c3fe0c41 ILT |
3567 | |
3568 | This is followed by the symbol definitions. Each symbol definition | |
3569 | occupies 8 bytes. The first four bytes are the offset from the | |
3570 | start of the armap strings to the null-terminated string naming | |
3571 | this symbol. The second four bytes are the file offset to the | |
3572 | archive member which defines this symbol. If the second four bytes | |
3573 | are 0, then this is not actually a symbol definition, and it should | |
3574 | be ignored. | |
3575 | ||
23ba15b7 ILT |
3576 | The symbols are hashed into the armap with a closed hashing scheme. |
3577 | See the functions below for the details of the algorithm. | |
3578 | ||
3579 | We could use the hash table when looking up symbols in a library. | |
3580 | This would require a new BFD target entry point to replace the | |
3581 | bfd_get_next_mapent function used by the linker. | |
3582 | ||
c3fe0c41 ILT |
3583 | After the symbol definitions comes four bytes holding the size of |
3584 | the string table, followed by the string table itself. */ | |
3585 | ||
3586 | /* The name of an archive headers looks like this: | |
23ba15b7 ILT |
3587 | __________E[BL]E[BL]_ (with a trailing space). |
3588 | The trailing space is changed to an X if the archive is changed to | |
3589 | indicate that the armap is out of date. */ | |
c3fe0c41 ILT |
3590 | |
3591 | #define ARMAP_BIG_ENDIAN 'B' | |
3592 | #define ARMAP_LITTLE_ENDIAN 'L' | |
3593 | #define ARMAP_MARKER 'E' | |
3594 | #define ARMAP_START "__________" | |
3595 | #define ARMAP_HEADER_MARKER_INDEX 10 | |
3596 | #define ARMAP_HEADER_ENDIAN_INDEX 11 | |
3597 | #define ARMAP_OBJECT_MARKER_INDEX 12 | |
3598 | #define ARMAP_OBJECT_ENDIAN_INDEX 13 | |
3599 | #define ARMAP_END_INDEX 14 | |
3600 | #define ARMAP_END "_ " | |
3601 | ||
23ba15b7 ILT |
3602 | /* This is a magic number used in the hashing algorithm. */ |
3603 | #define ARMAP_HASH_MAGIC 0x9dd68ab5 | |
3604 | ||
3605 | /* This returns the hash value to use for a string. It also sets | |
3606 | *REHASH to the rehash adjustment if the first slot is taken. SIZE | |
3607 | is the number of entries in the hash table, and HLOG is the log | |
3608 | base 2 of SIZE. */ | |
3609 | ||
3610 | static unsigned int | |
3611 | ecoff_armap_hash (s, rehash, size, hlog) | |
3612 | CONST char *s; | |
3613 | unsigned int *rehash; | |
3614 | unsigned int size; | |
3615 | unsigned int hlog; | |
3616 | { | |
3617 | unsigned int hash; | |
3618 | ||
3619 | hash = *s++; | |
3620 | while (*s != '\0') | |
3621 | hash = ((hash >> 27) | (hash << 5)) + *s++; | |
3622 | hash *= ARMAP_HASH_MAGIC; | |
3623 | *rehash = (hash & (size - 1)) | 1; | |
3624 | return hash >> (32 - hlog); | |
3625 | } | |
3626 | ||
c3fe0c41 ILT |
3627 | /* Read in the armap. */ |
3628 | ||
3629 | static boolean | |
f6409552 ILT |
3630 | ecoff_slurp_armap (abfd) |
3631 | bfd *abfd; | |
c3fe0c41 ILT |
3632 | { |
3633 | char nextname[17]; | |
3634 | unsigned int i; | |
3635 | struct areltdata *mapdata; | |
3636 | bfd_size_type parsed_size; | |
3637 | char *raw_armap; | |
3638 | struct artdata *ardata; | |
3639 | unsigned int count; | |
3640 | char *raw_ptr; | |
3641 | struct symdef *symdef_ptr; | |
3642 | char *stringbase; | |
3643 | ||
3644 | /* Get the name of the first element. */ | |
3645 | i = bfd_read ((PTR) nextname, 1, 16, abfd); | |
3646 | if (i == 0) | |
3647 | return true; | |
3648 | if (i != 16) | |
3649 | return false; | |
3650 | ||
3651 | bfd_seek (abfd, (file_ptr) -16, SEEK_CUR); | |
3652 | ||
3653 | /* See if the first element is an armap. */ | |
3654 | if (strncmp (nextname, ARMAP_START, sizeof ARMAP_START - 1) != 0 | |
3655 | || nextname[ARMAP_HEADER_MARKER_INDEX] != ARMAP_MARKER | |
3656 | || (nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN | |
3657 | && nextname[ARMAP_HEADER_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN) | |
3658 | || nextname[ARMAP_OBJECT_MARKER_INDEX] != ARMAP_MARKER | |
3659 | || (nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_BIG_ENDIAN | |
3660 | && nextname[ARMAP_OBJECT_ENDIAN_INDEX] != ARMAP_LITTLE_ENDIAN) | |
3661 | || strncmp (nextname + ARMAP_END_INDEX, | |
3662 | ARMAP_END, sizeof ARMAP_END - 1) != 0) | |
3663 | { | |
3664 | bfd_has_map (abfd) = false; | |
3665 | return true; | |
3666 | } | |
3667 | ||
3668 | /* Make sure we have the right byte ordering. */ | |
3669 | if (((nextname[ARMAP_HEADER_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN) | |
3670 | ^ (abfd->xvec->header_byteorder_big_p != false)) | |
6d18a99d | 3671 | || ((nextname[ARMAP_OBJECT_ENDIAN_INDEX] == ARMAP_BIG_ENDIAN) |
c3fe0c41 ILT |
3672 | ^ (abfd->xvec->byteorder_big_p != false))) |
3673 | { | |
3674 | bfd_error = wrong_format; | |
3675 | return false; | |
3676 | } | |
3677 | ||
3678 | /* Read in the armap. */ | |
3679 | ardata = bfd_ardata (abfd); | |
3680 | mapdata = snarf_ar_hdr (abfd); | |
3681 | if (mapdata == (struct areltdata *) NULL) | |
3682 | return false; | |
3683 | parsed_size = mapdata->parsed_size; | |
3684 | bfd_release (abfd, (PTR) mapdata); | |
3685 | ||
3686 | raw_armap = (char *) bfd_alloc (abfd, parsed_size); | |
3687 | if (raw_armap == (char *) NULL) | |
3688 | { | |
3689 | bfd_error = no_memory; | |
3690 | return false; | |
3691 | } | |
3692 | ||
3693 | if (bfd_read ((PTR) raw_armap, 1, parsed_size, abfd) != parsed_size) | |
3694 | { | |
3695 | bfd_error = malformed_archive; | |
3696 | bfd_release (abfd, (PTR) raw_armap); | |
3697 | return false; | |
3698 | } | |
3699 | ||
3700 | count = bfd_h_get_32 (abfd, (PTR) raw_armap); | |
3701 | ||
3702 | ardata->symdef_count = 0; | |
3703 | ardata->cache = (struct ar_cache *) NULL; | |
3704 | ||
3705 | /* Hack: overlay the symdefs on top of the raw archive data. This | |
3706 | is the way do_slurp_bsd_armap works. */ | |
3707 | raw_ptr = raw_armap + LONG_SIZE; | |
3708 | symdef_ptr = (struct symdef *) raw_ptr; | |
3709 | ardata->symdefs = (carsym *) symdef_ptr; | |
3710 | stringbase = raw_ptr + count * (2 * LONG_SIZE) + LONG_SIZE; | |
3711 | ||
23ba15b7 ILT |
3712 | #ifdef CHECK_ARMAP_HASH |
3713 | { | |
3714 | unsigned int hlog; | |
3715 | ||
3716 | /* Double check that I have the hashing algorithm right by making | |
3717 | sure that every symbol can be looked up successfully. */ | |
3718 | hlog = 0; | |
3719 | for (i = 1; i < count; i <<= 1) | |
3720 | hlog++; | |
3721 | BFD_ASSERT (i == count); | |
3722 | ||
3723 | for (i = 0; i < count; i++, raw_ptr += 2 * LONG_SIZE) | |
3724 | { | |
3725 | unsigned int name_offset, file_offset; | |
3726 | unsigned int hash, rehash, srch; | |
3727 | ||
3728 | name_offset = bfd_h_get_32 (abfd, (PTR) raw_ptr); | |
3729 | file_offset = bfd_h_get_32 (abfd, (PTR) (raw_ptr + LONG_SIZE)); | |
3730 | if (file_offset == 0) | |
3731 | continue; | |
3732 | hash = ecoff_armap_hash (stringbase + name_offset, &rehash, count, | |
3733 | hlog); | |
3734 | if (hash == i) | |
3735 | continue; | |
3736 | ||
3737 | /* See if we can rehash to this location. */ | |
3738 | for (srch = (hash + rehash) & (count - 1); | |
3739 | srch != hash && srch != i; | |
3740 | srch = (srch + rehash) & (count - 1)) | |
3741 | BFD_ASSERT (bfd_h_get_32 (abfd, | |
3742 | (PTR) (raw_armap | |
3743 | + LONG_SIZE | |
3744 | + (srch * 2 * LONG_SIZE) | |
3745 | + LONG_SIZE)) | |
3746 | != 0); | |
3747 | BFD_ASSERT (srch == i); | |
3748 | } | |
3749 | } | |
3750 | ||
3751 | raw_ptr = raw_armap + LONG_SIZE; | |
3752 | #endif /* CHECK_ARMAP_HASH */ | |
3753 | ||
c3fe0c41 ILT |
3754 | for (i = 0; i < count; i++, raw_ptr += 2 * LONG_SIZE) |
3755 | { | |
23ba15b7 | 3756 | unsigned int name_offset, file_offset; |
c3fe0c41 ILT |
3757 | |
3758 | name_offset = bfd_h_get_32 (abfd, (PTR) raw_ptr); | |
3759 | file_offset = bfd_h_get_32 (abfd, (PTR) (raw_ptr + LONG_SIZE)); | |
3760 | if (file_offset == 0) | |
3761 | continue; | |
3762 | symdef_ptr->s.name = stringbase + name_offset; | |
3763 | symdef_ptr->file_offset = file_offset; | |
3764 | ++symdef_ptr; | |
3765 | ++ardata->symdef_count; | |
3766 | } | |
3767 | ||
3768 | ardata->first_file_filepos = bfd_tell (abfd); | |
3769 | /* Pad to an even boundary. */ | |
3770 | ardata->first_file_filepos += ardata->first_file_filepos % 2; | |
3771 | ||
3772 | bfd_has_map (abfd) = true; | |
3773 | ||
3774 | return true; | |
3775 | } | |
3776 | ||
3777 | /* Write out an armap. */ | |
3778 | ||
3779 | static boolean | |
f6409552 ILT |
3780 | ecoff_write_armap (abfd, elength, map, orl_count, stridx) |
3781 | bfd *abfd; | |
3782 | unsigned int elength; | |
3783 | struct orl *map; | |
3784 | unsigned int orl_count; | |
3785 | int stridx; | |
c3fe0c41 | 3786 | { |
23ba15b7 | 3787 | unsigned int hashsize, hashlog; |
c3fe0c41 ILT |
3788 | unsigned int symdefsize; |
3789 | int padit; | |
3790 | unsigned int stringsize; | |
3791 | unsigned int mapsize; | |
3792 | file_ptr firstreal; | |
3793 | struct ar_hdr hdr; | |
3794 | struct stat statbuf; | |
3795 | unsigned int i; | |
23ba15b7 ILT |
3796 | bfd_byte temp[LONG_SIZE]; |
3797 | bfd_byte *hashtable; | |
c3fe0c41 ILT |
3798 | bfd *current; |
3799 | bfd *last_elt; | |
3800 | ||
23ba15b7 ILT |
3801 | /* Ultrix appears to use as a hash table size the least power of two |
3802 | greater than twice the number of entries. */ | |
3803 | for (hashlog = 0; (1 << hashlog) <= 2 * orl_count; hashlog++) | |
3804 | ; | |
3805 | hashsize = 1 << hashlog; | |
3806 | ||
3807 | symdefsize = hashsize * 2 * LONG_SIZE; | |
c3fe0c41 ILT |
3808 | padit = stridx % 2; |
3809 | stringsize = stridx + padit; | |
3810 | ||
3811 | /* Include 8 bytes to store symdefsize and stringsize in output. */ | |
23ba15b7 | 3812 | mapsize = LONG_SIZE + symdefsize + stringsize + LONG_SIZE; |
c3fe0c41 ILT |
3813 | |
3814 | firstreal = SARMAG + sizeof (struct ar_hdr) + mapsize + elength; | |
3815 | ||
3816 | memset ((PTR) &hdr, 0, sizeof hdr); | |
3817 | ||
3818 | /* Work out the ECOFF armap name. */ | |
3819 | strcpy (hdr.ar_name, ARMAP_START); | |
3820 | hdr.ar_name[ARMAP_HEADER_MARKER_INDEX] = ARMAP_MARKER; | |
3821 | hdr.ar_name[ARMAP_HEADER_ENDIAN_INDEX] = | |
3822 | (abfd->xvec->header_byteorder_big_p | |
3823 | ? ARMAP_BIG_ENDIAN | |
3824 | : ARMAP_LITTLE_ENDIAN); | |
3825 | hdr.ar_name[ARMAP_OBJECT_MARKER_INDEX] = ARMAP_MARKER; | |
3826 | hdr.ar_name[ARMAP_OBJECT_ENDIAN_INDEX] = | |
3827 | abfd->xvec->byteorder_big_p ? ARMAP_BIG_ENDIAN : ARMAP_LITTLE_ENDIAN; | |
3828 | memcpy (hdr.ar_name + ARMAP_END_INDEX, ARMAP_END, sizeof ARMAP_END - 1); | |
3829 | ||
3830 | /* Write the timestamp of the archive header to be just a little bit | |
3831 | later than the timestamp of the file, otherwise the linker will | |
23ba15b7 ILT |
3832 | complain that the index is out of date. Actually, the Ultrix |
3833 | linker just checks the archive name; the GNU linker may check the | |
3834 | date. */ | |
f6409552 | 3835 | stat (abfd->filename, &statbuf); |
c3fe0c41 ILT |
3836 | sprintf (hdr.ar_date, "%ld", (long) (statbuf.st_mtime + 60)); |
3837 | ||
3838 | /* The DECstation uses zeroes for the uid, gid and mode of the | |
3839 | armap. */ | |
3840 | hdr.ar_uid[0] = '0'; | |
3841 | hdr.ar_gid[0] = '0'; | |
3842 | hdr.ar_mode[0] = '0'; | |
3843 | ||
3844 | sprintf (hdr.ar_size, "%-10d", (int) mapsize); | |
3845 | ||
3846 | hdr.ar_fmag[0] = '`'; | |
3847 | hdr.ar_fmag[1] = '\n'; | |
3848 | ||
3849 | /* Turn all null bytes in the header into spaces. */ | |
3850 | for (i = 0; i < sizeof (struct ar_hdr); i++) | |
3851 | if (((char *)(&hdr))[i] == '\0') | |
3852 | (((char *)(&hdr))[i]) = ' '; | |
3853 | ||
23ba15b7 ILT |
3854 | if (bfd_write ((PTR) &hdr, 1, sizeof (struct ar_hdr), abfd) |
3855 | != sizeof (struct ar_hdr)) | |
3856 | return false; | |
c3fe0c41 | 3857 | |
23ba15b7 ILT |
3858 | bfd_h_put_32 (abfd, hashsize, temp); |
3859 | if (bfd_write (temp, 1, LONG_SIZE, abfd) != LONG_SIZE) | |
3860 | return false; | |
c3fe0c41 | 3861 | |
23ba15b7 ILT |
3862 | hashtable = (bfd_byte *) bfd_zalloc (abfd, symdefsize); |
3863 | ||
c3fe0c41 ILT |
3864 | current = abfd->archive_head; |
3865 | last_elt = current; | |
3866 | for (i = 0; i < orl_count; i++) | |
3867 | { | |
23ba15b7 | 3868 | unsigned int hash, rehash; |
c3fe0c41 ILT |
3869 | |
3870 | /* Advance firstreal to the file position of this archive | |
3871 | element. */ | |
3872 | if (((bfd *) map[i].pos) != last_elt) | |
3873 | { | |
3874 | do | |
3875 | { | |
3876 | firstreal += arelt_size (current) + sizeof (struct ar_hdr); | |
3877 | firstreal += firstreal % 2; | |
3878 | current = current->next; | |
3879 | } | |
3880 | while (current != (bfd *) map[i].pos); | |
3881 | } | |
3882 | ||
3883 | last_elt = current; | |
3884 | ||
23ba15b7 ILT |
3885 | hash = ecoff_armap_hash (*map[i].name, &rehash, hashsize, hashlog); |
3886 | if (bfd_h_get_32 (abfd, (PTR) (hashtable | |
3887 | + (hash * 2 * LONG_SIZE) | |
3888 | + LONG_SIZE)) | |
3889 | != 0) | |
3890 | { | |
3891 | unsigned int srch; | |
3892 | ||
3893 | /* The desired slot is already taken. */ | |
3894 | for (srch = (hash + rehash) & (hashsize - 1); | |
3895 | srch != hash; | |
3896 | srch = (srch + rehash) & (hashsize - 1)) | |
3897 | if (bfd_h_get_32 (abfd, (PTR) (hashtable | |
3898 | + (srch * 2 * LONG_SIZE) | |
3899 | + LONG_SIZE)) | |
3900 | == 0) | |
3901 | break; | |
3902 | ||
3903 | BFD_ASSERT (srch != hash); | |
3904 | ||
3905 | hash = srch; | |
3906 | } | |
3907 | ||
3908 | bfd_h_put_32 (abfd, map[i].namidx, | |
3909 | (PTR) (hashtable + hash * 2 * LONG_SIZE)); | |
3910 | bfd_h_put_32 (abfd, firstreal, | |
3911 | (PTR) (hashtable + hash * 2 * LONG_SIZE + LONG_SIZE)); | |
c3fe0c41 ILT |
3912 | } |
3913 | ||
23ba15b7 ILT |
3914 | if (bfd_write (hashtable, 1, symdefsize, abfd) != symdefsize) |
3915 | return false; | |
3916 | ||
3917 | bfd_release (abfd, hashtable); | |
3918 | ||
c3fe0c41 ILT |
3919 | /* Now write the strings. */ |
3920 | bfd_h_put_32 (abfd, stringsize, temp); | |
23ba15b7 ILT |
3921 | if (bfd_write (temp, 1, LONG_SIZE, abfd) != LONG_SIZE) |
3922 | return false; | |
c3fe0c41 | 3923 | for (i = 0; i < orl_count; i++) |
23ba15b7 ILT |
3924 | { |
3925 | bfd_size_type len; | |
3926 | ||
3927 | len = strlen (*map[i].name) + 1; | |
3928 | if (bfd_write ((PTR) (*map[i].name), 1, len, abfd) != len) | |
3929 | return false; | |
3930 | } | |
c3fe0c41 ILT |
3931 | |
3932 | /* The spec sez this should be a newline. But in order to be | |
3933 | bug-compatible for DECstation ar we use a null. */ | |
3934 | if (padit) | |
23ba15b7 ILT |
3935 | { |
3936 | if (bfd_write ("\0", 1, 1, abfd) != 1) | |
3937 | return false; | |
3938 | } | |
c3fe0c41 ILT |
3939 | |
3940 | return true; | |
3941 | } | |
3942 | ||
3943 | /* We just use the generic extended name support. This is a GNU | |
3944 | extension. */ | |
3945 | #define ecoff_slurp_extended_name_table _bfd_slurp_extended_name_table | |
3946 | ||
3947 | /* See whether this BFD is an archive. If it is, read in the armap | |
3948 | and the extended name table. */ | |
3949 | ||
3950 | static bfd_target * | |
f6409552 ILT |
3951 | ecoff_archive_p (abfd) |
3952 | bfd *abfd; | |
c3fe0c41 ILT |
3953 | { |
3954 | char armag[SARMAG + 1]; | |
3955 | ||
3956 | if (bfd_read ((PTR) armag, 1, SARMAG, abfd) != SARMAG | |
3957 | || strncmp (armag, ARMAG, SARMAG) != 0) | |
3958 | { | |
3959 | bfd_error = wrong_format; | |
3960 | return (bfd_target *) NULL; | |
3961 | } | |
3962 | ||
3963 | /* We are setting bfd_ardata(abfd) here, but since bfd_ardata | |
3964 | involves a cast, we can't do it as the left operand of | |
3965 | assignment. */ | |
3966 | abfd->tdata.aout_ar_data = | |
3967 | (struct artdata *) bfd_zalloc (abfd, sizeof (struct artdata)); | |
3968 | ||
3969 | if (bfd_ardata (abfd) == (struct artdata *) NULL) | |
3970 | { | |
3971 | bfd_error = no_memory; | |
3972 | return (bfd_target *) NULL; | |
3973 | } | |
3974 | ||
3975 | bfd_ardata (abfd)->first_file_filepos = SARMAG; | |
3976 | ||
3977 | if (ecoff_slurp_armap (abfd) == false | |
3978 | || ecoff_slurp_extended_name_table (abfd) == false) | |
3979 | { | |
3980 | bfd_release (abfd, bfd_ardata (abfd)); | |
3981 | abfd->tdata.aout_ar_data = (struct artdata *) NULL; | |
3982 | return (bfd_target *) NULL; | |
3983 | } | |
3984 | ||
3985 | return abfd->xvec; | |
3986 | } | |
3987 | \f | |
f6409552 ILT |
3988 | /* This is the COFF backend structure. The backend_data field of the |
3989 | bfd_target structure is set to this. The section reading code in | |
3990 | coffgen.c uses this structure. */ | |
3991 | ||
515c4292 ILT |
3992 | static CONST bfd_coff_backend_data bfd_ecoff_std_swap_table = { |
3993 | (void (*) PARAMS ((bfd *,PTR,int,int,PTR))) bfd_void, /* aux_in */ | |
3994 | (void (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* sym_in */ | |
3995 | (void (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* lineno_in */ | |
3996 | (unsigned (*) PARAMS ((bfd *,PTR,int,int,PTR))) bfd_void, /* aux_out */ | |
3997 | (unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* sym_out */ | |
3998 | (unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* lineno_out */ | |
3999 | ecoff_swap_reloc_out, ecoff_swap_filehdr_out, ecoff_swap_aouthdr_out, | |
4000 | ecoff_swap_scnhdr_out, | |
4001 | FILHSZ, AOUTSZ, SCNHSZ, 0, 0, 0, true, | |
4002 | ecoff_swap_filehdr_in, ecoff_swap_aouthdr_in, ecoff_swap_scnhdr_in, | |
4003 | ecoff_bad_format_hook, ecoff_set_arch_mach_hook, ecoff_mkobject_hook, | |
f6409552 | 4004 | ecoff_styp_to_sec_flags, ecoff_make_section_hook, ecoff_set_alignment_hook, |
515c4292 ILT |
4005 | ecoff_slurp_symbol_table |
4006 | }; | |
4007 | ||
515c4292 ILT |
4008 | /* get_lineno could be written for ECOFF, but it would currently only |
4009 | be useful for linking ECOFF and COFF files together, which doesn't | |
4010 | seem too likely. */ | |
8fa0d3a0 ILT |
4011 | #define ecoff_get_lineno \ |
4012 | ((alent *(*) PARAMS ((bfd *, asymbol *))) bfd_nullvoidptr) | |
515c4292 | 4013 | |
f6409552 ILT |
4014 | /* These bfd_target functions are defined in other files. */ |
4015 | ||
515c4292 ILT |
4016 | #define ecoff_core_file_failing_command _bfd_dummy_core_file_failing_command |
4017 | #define ecoff_core_file_failing_signal _bfd_dummy_core_file_failing_signal | |
f6409552 ILT |
4018 | #define ecoff_core_file_matches_executable_p \ |
4019 | _bfd_dummy_core_file_matches_executable_p | |
515c4292 ILT |
4020 | #define ecoff_truncate_arname bfd_dont_truncate_arname |
4021 | #define ecoff_openr_next_archived_file bfd_generic_openr_next_archived_file | |
4022 | #define ecoff_generic_stat_arch_elt bfd_generic_stat_arch_elt | |
4023 | #define ecoff_get_section_contents bfd_generic_get_section_contents | |
8fa0d3a0 | 4024 | #define ecoff_get_reloc_upper_bound coff_get_reloc_upper_bound |
515c4292 | 4025 | #define ecoff_close_and_cleanup bfd_generic_close_and_cleanup |
515c4292 | 4026 | #define ecoff_bfd_debug_info_start bfd_void |
8fa0d3a0 | 4027 | #define ecoff_bfd_debug_info_end bfd_void |
515c4292 | 4028 | #define ecoff_bfd_debug_info_accumulate \ |
8fa0d3a0 | 4029 | ((void (*) PARAMS ((bfd *, struct sec *))) bfd_void) |
f6409552 ILT |
4030 | #define ecoff_bfd_get_relocated_section_contents \ |
4031 | bfd_generic_get_relocated_section_contents | |
515c4292 | 4032 | #define ecoff_bfd_relax_section bfd_generic_relax_section |
c9301d7b | 4033 | |
1327fb29 | 4034 | bfd_target ecoff_little_vec = |
294eaca4 SC |
4035 | { |
4036 | "ecoff-littlemips", /* name */ | |
515c4292 | 4037 | bfd_target_ecoff_flavour, |
294eaca4 SC |
4038 | false, /* data byte order is little */ |
4039 | false, /* header byte order is little */ | |
4040 | ||
4041 | (HAS_RELOC | EXEC_P | /* object flags */ | |
4042 | HAS_LINENO | HAS_DEBUG | | |
4043 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT), | |
4044 | ||
4045 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* sect | |
4046 | flags */ | |
4047 | 0, /* leading underscore */ | |
4048 | '/', /* ar_pad_char */ | |
4049 | 15, /* ar_max_namelen */ | |
4050 | 3, /* minimum alignment power */ | |
4051 | _do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* data */ | |
4052 | _do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* hdrs */ | |
4053 | ||
515c4292 | 4054 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ |
c3fe0c41 ILT |
4055 | ecoff_archive_p, _bfd_dummy_target}, |
4056 | {bfd_false, ecoff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ | |
4057 | bfd_false}, | |
4058 | {bfd_false, ecoff_write_object_contents, /* bfd_write_contents */ | |
4059 | _bfd_write_archive_contents, bfd_false}, | |
515c4292 ILT |
4060 | JUMP_TABLE (ecoff), |
4061 | 0, 0, | |
4062 | (PTR) &bfd_ecoff_std_swap_table | |
4063 | }; | |
1327fb29 SC |
4064 | |
4065 | bfd_target ecoff_big_vec = | |
294eaca4 SC |
4066 | { |
4067 | "ecoff-bigmips", /* name */ | |
515c4292 | 4068 | bfd_target_ecoff_flavour, |
294eaca4 SC |
4069 | true, /* data byte order is big */ |
4070 | true, /* header byte order is big */ | |
4071 | ||
4072 | (HAS_RELOC | EXEC_P | /* object flags */ | |
4073 | HAS_LINENO | HAS_DEBUG | | |
4074 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT), | |
4075 | ||
4076 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* sect flags */ | |
4077 | 0, /* leading underscore */ | |
4078 | ' ', /* ar_pad_char */ | |
4079 | 16, /* ar_max_namelen */ | |
4080 | 3, /* minimum alignment power */ | |
4081 | _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, | |
4082 | _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, | |
4083 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ | |
c3fe0c41 ILT |
4084 | ecoff_archive_p, _bfd_dummy_target}, |
4085 | {bfd_false, ecoff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */ | |
4086 | bfd_false}, | |
515c4292 | 4087 | {bfd_false, ecoff_write_object_contents, /* bfd_write_contents */ |
c3fe0c41 | 4088 | _bfd_write_archive_contents, bfd_false}, |
515c4292 ILT |
4089 | JUMP_TABLE(ecoff), |
4090 | 0, 0, | |
4091 | (PTR) &bfd_ecoff_std_swap_table | |
4092 | /* Note that there is another bfd_target just above this one. If | |
4093 | you are adding initializers here, you should be adding them there | |
4094 | as well. */ | |
4095 | }; |