Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Read HP PA/Risc object files for GDB. |
28e7fd62 | 2 | Copyright (C) 1991-2013 Free Software Foundation, Inc. |
c906108c SS |
3 | Written by Fred Fish at Cygnus Support. |
4 | ||
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
21 | #include "bfd.h" | |
b2259038 | 22 | #include "som/aout.h" |
c906108c SS |
23 | #include "symtab.h" |
24 | #include "symfile.h" | |
25 | #include "objfiles.h" | |
26 | #include "buildsym.h" | |
27 | #include "stabsread.h" | |
28 | #include "gdb-stabs.h" | |
29 | #include "complaints.h" | |
30 | #include "gdb_string.h" | |
31 | #include "demangle.h" | |
32 | #include "som.h" | |
33 | #include "libhppa.h" | |
ccefe4c4 | 34 | #include "psymtab.h" |
c906108c | 35 | |
17fe2d6e | 36 | #include "solib-som.h" |
c906108c | 37 | |
7f86f058 | 38 | /* Read the symbol table of a SOM file. |
c906108c | 39 | |
c5aa993b JM |
40 | Given an open bfd, a base address to relocate symbols to, and a |
41 | flag that specifies whether or not this bfd is for an executable | |
42 | or not (may be shared library for example), add all the global | |
7f86f058 | 43 | function and data symbols to the minimal symbol table. */ |
c906108c SS |
44 | |
45 | static void | |
fba45db2 KB |
46 | som_symtab_read (bfd *abfd, struct objfile *objfile, |
47 | struct section_offsets *section_offsets) | |
c906108c | 48 | { |
fe48dfb1 | 49 | struct cleanup *cleanup; |
5e2b427d | 50 | struct gdbarch *gdbarch = get_objfile_arch (objfile); |
c906108c SS |
51 | unsigned int number_of_symbols; |
52 | int val, dynamic; | |
53 | char *stringtab; | |
54 | asection *shlib_info; | |
b2259038 | 55 | struct som_external_symbol_dictionary_record *buf, *bufp, *endbufp; |
c906108c | 56 | char *symname; |
b2259038 | 57 | CONST int symsize = sizeof (struct som_external_symbol_dictionary_record); |
c906108c SS |
58 | |
59 | ||
36192a8d TT |
60 | #define text_offset ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile)) |
61 | #define data_offset ANOFFSET (section_offsets, SECT_OFF_DATA (objfile)) | |
c906108c SS |
62 | |
63 | number_of_symbols = bfd_get_symcount (abfd); | |
64 | ||
f31b3751 JB |
65 | /* Allocate a buffer to read in the debug info. |
66 | We avoid using alloca because the memory size could be so large | |
67 | that we could hit the stack size limit. */ | |
68 | buf = xmalloc (symsize * number_of_symbols); | |
fe48dfb1 | 69 | cleanup = make_cleanup (xfree, buf); |
c906108c | 70 | bfd_seek (abfd, obj_som_sym_filepos (abfd), SEEK_SET); |
3a42e9d0 | 71 | val = bfd_bread (buf, symsize * number_of_symbols, abfd); |
c906108c | 72 | if (val != symsize * number_of_symbols) |
8a3fe4f8 | 73 | error (_("Couldn't read symbol dictionary!")); |
c906108c | 74 | |
f31b3751 JB |
75 | /* Allocate a buffer to read in the som stringtab section of |
76 | the debugging info. Again, we avoid using alloca because | |
77 | the data could be so large that we could potentially hit | |
78 | the stack size limitat. */ | |
79 | stringtab = xmalloc (obj_som_stringtab_size (abfd)); | |
80 | make_cleanup (xfree, stringtab); | |
c906108c | 81 | bfd_seek (abfd, obj_som_str_filepos (abfd), SEEK_SET); |
3a42e9d0 | 82 | val = bfd_bread (stringtab, obj_som_stringtab_size (abfd), abfd); |
c906108c | 83 | if (val != obj_som_stringtab_size (abfd)) |
8a3fe4f8 | 84 | error (_("Can't read in HP string table.")); |
c906108c SS |
85 | |
86 | /* We need to determine if objfile is a dynamic executable (so we | |
87 | can do the right thing for ST_ENTRY vs ST_CODE symbols). | |
88 | ||
89 | There's nothing in the header which easily allows us to do | |
3fa41cdb JL |
90 | this. |
91 | ||
92 | This code used to rely upon the existence of a $SHLIB_INFO$ | |
93 | section to make this determination. HP claims that it is | |
94 | more accurate to check for a nonzero text offset, but they | |
95 | have not provided any information about why that test is | |
96 | more accurate. */ | |
c906108c SS |
97 | dynamic = (text_offset != 0); |
98 | ||
99 | endbufp = buf + number_of_symbols; | |
100 | for (bufp = buf; bufp < endbufp; ++bufp) | |
101 | { | |
102 | enum minimal_symbol_type ms_type; | |
b2259038 TT |
103 | unsigned int flags = bfd_getb32 (bufp->flags); |
104 | unsigned int symbol_type | |
105 | = (flags >> SOM_SYMBOL_TYPE_SH) & SOM_SYMBOL_TYPE_MASK; | |
106 | unsigned int symbol_scope | |
107 | = (flags >> SOM_SYMBOL_SCOPE_SH) & SOM_SYMBOL_SCOPE_MASK; | |
108 | CORE_ADDR symbol_value = bfd_getb32 (bufp->symbol_value); | |
36192a8d | 109 | asection *section = NULL; |
c906108c SS |
110 | |
111 | QUIT; | |
112 | ||
36192a8d TT |
113 | /* Compute the section. */ |
114 | switch (symbol_scope) | |
115 | { | |
116 | case SS_EXTERNAL: | |
117 | if (symbol_type != ST_STORAGE) | |
118 | section = bfd_und_section_ptr; | |
119 | else | |
120 | section = bfd_com_section_ptr; | |
121 | break; | |
122 | ||
123 | case SS_UNSAT: | |
124 | if (symbol_type != ST_STORAGE) | |
125 | section = bfd_und_section_ptr; | |
126 | else | |
127 | section = bfd_com_section_ptr; | |
128 | break; | |
129 | ||
130 | case SS_UNIVERSAL: | |
131 | section = bfd_section_from_som_symbol (abfd, bufp); | |
132 | break; | |
133 | ||
134 | case SS_LOCAL: | |
135 | section = bfd_section_from_som_symbol (abfd, bufp); | |
136 | break; | |
137 | } | |
138 | ||
b2259038 | 139 | switch (symbol_scope) |
c906108c SS |
140 | { |
141 | case SS_UNIVERSAL: | |
142 | case SS_EXTERNAL: | |
b2259038 | 143 | switch (symbol_type) |
c906108c SS |
144 | { |
145 | case ST_SYM_EXT: | |
146 | case ST_ARG_EXT: | |
147 | continue; | |
148 | ||
149 | case ST_CODE: | |
150 | case ST_PRI_PROG: | |
151 | case ST_SEC_PROG: | |
152 | case ST_MILLICODE: | |
b2259038 | 153 | symname = bfd_getb32 (bufp->name) + stringtab; |
c906108c | 154 | ms_type = mst_text; |
b2259038 TT |
155 | symbol_value += text_offset; |
156 | symbol_value = gdbarch_addr_bits_remove (gdbarch, symbol_value); | |
c906108c SS |
157 | break; |
158 | ||
159 | case ST_ENTRY: | |
b2259038 | 160 | symname = bfd_getb32 (bufp->name) + stringtab; |
c906108c | 161 | /* For a dynamic executable, ST_ENTRY symbols are |
c5aa993b JM |
162 | the stubs, while the ST_CODE symbol is the real |
163 | function. */ | |
c906108c SS |
164 | if (dynamic) |
165 | ms_type = mst_solib_trampoline; | |
166 | else | |
167 | ms_type = mst_text; | |
b2259038 TT |
168 | symbol_value += text_offset; |
169 | symbol_value = gdbarch_addr_bits_remove (gdbarch, symbol_value); | |
c906108c SS |
170 | break; |
171 | ||
172 | case ST_STUB: | |
b2259038 | 173 | symname = bfd_getb32 (bufp->name) + stringtab; |
c906108c | 174 | ms_type = mst_solib_trampoline; |
b2259038 TT |
175 | symbol_value += text_offset; |
176 | symbol_value = gdbarch_addr_bits_remove (gdbarch, symbol_value); | |
c906108c SS |
177 | break; |
178 | ||
179 | case ST_DATA: | |
b2259038 TT |
180 | symname = bfd_getb32 (bufp->name) + stringtab; |
181 | symbol_value += data_offset; | |
c906108c SS |
182 | ms_type = mst_data; |
183 | break; | |
184 | default: | |
185 | continue; | |
186 | } | |
187 | break; | |
188 | ||
189 | #if 0 | |
190 | /* SS_GLOBAL and SS_LOCAL are two names for the same thing (!). */ | |
191 | case SS_GLOBAL: | |
192 | #endif | |
193 | case SS_LOCAL: | |
b2259038 | 194 | switch (symbol_type) |
c906108c SS |
195 | { |
196 | case ST_SYM_EXT: | |
197 | case ST_ARG_EXT: | |
198 | continue; | |
199 | ||
200 | case ST_CODE: | |
b2259038 | 201 | symname = bfd_getb32 (bufp->name) + stringtab; |
c906108c | 202 | ms_type = mst_file_text; |
b2259038 TT |
203 | symbol_value += text_offset; |
204 | symbol_value = gdbarch_addr_bits_remove (gdbarch, symbol_value); | |
c906108c SS |
205 | |
206 | check_strange_names: | |
207 | /* Utah GCC 2.5, FSF GCC 2.6 and later generate correct local | |
c5aa993b JM |
208 | label prefixes for stabs, constant data, etc. So we need |
209 | only filter out L$ symbols which are left in due to | |
210 | limitations in how GAS generates SOM relocations. | |
211 | ||
212 | When linking in the HPUX C-library the HP linker has | |
213 | the nasty habit of placing section symbols from the literal | |
214 | subspaces in the middle of the program's text. Filter | |
215 | those out as best we can. Check for first and last character | |
c378eb4e | 216 | being '$'. |
c5aa993b JM |
217 | |
218 | And finally, the newer HP compilers emit crud like $PIC_foo$N | |
219 | in some circumstance (PIC code I guess). It's also claimed | |
220 | that they emit D$ symbols too. What stupidity. */ | |
c906108c | 221 | if ((symname[0] == 'L' && symname[1] == '$') |
c5aa993b | 222 | || (symname[0] == '$' && symname[strlen (symname) - 1] == '$') |
c906108c | 223 | || (symname[0] == 'D' && symname[1] == '$') |
b887c273 | 224 | || (strncmp (symname, "L0\001", 3) == 0) |
c906108c SS |
225 | || (strncmp (symname, "$PIC", 4) == 0)) |
226 | continue; | |
227 | break; | |
228 | ||
229 | case ST_PRI_PROG: | |
230 | case ST_SEC_PROG: | |
231 | case ST_MILLICODE: | |
b2259038 | 232 | symname = bfd_getb32 (bufp->name) + stringtab; |
c906108c | 233 | ms_type = mst_file_text; |
b2259038 TT |
234 | symbol_value += text_offset; |
235 | symbol_value = gdbarch_addr_bits_remove (gdbarch, symbol_value); | |
c906108c SS |
236 | break; |
237 | ||
238 | case ST_ENTRY: | |
b2259038 | 239 | symname = bfd_getb32 (bufp->name) + stringtab; |
3fa41cdb JL |
240 | /* SS_LOCAL symbols in a shared library do not have |
241 | export stubs, so we do not have to worry about | |
242 | using mst_file_text vs mst_solib_trampoline here like | |
243 | we do for SS_UNIVERSAL and SS_EXTERNAL symbols above. */ | |
244 | ms_type = mst_file_text; | |
b2259038 TT |
245 | symbol_value += text_offset; |
246 | symbol_value = gdbarch_addr_bits_remove (gdbarch, symbol_value); | |
c906108c SS |
247 | break; |
248 | ||
249 | case ST_STUB: | |
b2259038 | 250 | symname = bfd_getb32 (bufp->name) + stringtab; |
c906108c | 251 | ms_type = mst_solib_trampoline; |
b2259038 TT |
252 | symbol_value += text_offset; |
253 | symbol_value = gdbarch_addr_bits_remove (gdbarch, symbol_value); | |
c906108c SS |
254 | break; |
255 | ||
256 | ||
257 | case ST_DATA: | |
b2259038 TT |
258 | symname = bfd_getb32 (bufp->name) + stringtab; |
259 | symbol_value += data_offset; | |
c906108c SS |
260 | ms_type = mst_file_data; |
261 | goto check_strange_names; | |
262 | ||
263 | default: | |
264 | continue; | |
265 | } | |
266 | break; | |
267 | ||
c5aa993b JM |
268 | /* This can happen for common symbols when -E is passed to the |
269 | final link. No idea _why_ that would make the linker force | |
270 | common symbols to have an SS_UNSAT scope, but it does. | |
c906108c | 271 | |
c5aa993b JM |
272 | This also happens for weak symbols, but their type is |
273 | ST_DATA. */ | |
c906108c | 274 | case SS_UNSAT: |
b2259038 | 275 | switch (symbol_type) |
c906108c | 276 | { |
c5aa993b JM |
277 | case ST_STORAGE: |
278 | case ST_DATA: | |
b2259038 TT |
279 | symname = bfd_getb32 (bufp->name) + stringtab; |
280 | symbol_value += data_offset; | |
c5aa993b JM |
281 | ms_type = mst_data; |
282 | break; | |
283 | ||
284 | default: | |
285 | continue; | |
c906108c SS |
286 | } |
287 | break; | |
288 | ||
289 | default: | |
290 | continue; | |
291 | } | |
292 | ||
b2259038 TT |
293 | if (bfd_getb32 (bufp->name) > obj_som_stringtab_size (abfd)) |
294 | error (_("Invalid symbol data; bad HP string table offset: %s"), | |
295 | plongest (bfd_getb32 (bufp->name))); | |
c906108c | 296 | |
36192a8d TT |
297 | if (bfd_is_const_section (section)) |
298 | { | |
299 | struct obj_section *iter; | |
300 | ||
301 | ALL_OBJFILE_OSECTIONS (objfile, iter) | |
302 | { | |
303 | if (bfd_is_const_section (iter->the_bfd_section)) | |
304 | continue; | |
305 | ||
306 | if (obj_section_addr (iter) <= symbol_value | |
307 | && symbol_value < obj_section_endaddr (iter)) | |
308 | { | |
309 | section = iter->the_bfd_section; | |
310 | break; | |
311 | } | |
312 | } | |
313 | } | |
314 | ||
315 | prim_record_minimal_symbol_and_info (symname, symbol_value, ms_type, | |
316 | gdb_bfd_section_index (objfile->obfd, | |
317 | section), | |
36192a8d | 318 | objfile); |
c906108c | 319 | } |
fe48dfb1 TT |
320 | |
321 | do_cleanups (cleanup); | |
c906108c SS |
322 | } |
323 | ||
324 | /* Scan and build partial symbols for a symbol file. | |
325 | We have been initialized by a call to som_symfile_init, which | |
326 | currently does nothing. | |
327 | ||
328 | SECTION_OFFSETS is a set of offsets to apply to relocate the symbols | |
329 | in each section. This is ignored, as it isn't needed for SOM. | |
330 | ||
c906108c SS |
331 | This function only does the minimum work necessary for letting the |
332 | user "name" things symbolically; it does not read the entire symtab. | |
333 | Instead, it reads the external and static symbols and puts them in partial | |
334 | symbol tables. When more extensive information is requested of a | |
335 | file, the corresponding partial symbol table is mutated into a full | |
336 | fledged symbol table by going back and reading the symbols | |
337 | for real. | |
338 | ||
339 | We look for sections with specific names, to tell us what debug | |
36192a8d | 340 | format to look for. |
c906108c SS |
341 | |
342 | somstab_build_psymtabs() handles STABS symbols. | |
343 | ||
344 | Note that SOM files have a "minimal" symbol table, which is vaguely | |
345 | reminiscent of a COFF symbol table, but has only the minimal information | |
346 | necessary for linking. We process this also, and use the information to | |
347 | build gdb's minimal symbol table. This gives us some minimal debugging | |
348 | capability even for files compiled without -g. */ | |
349 | ||
350 | static void | |
f4352531 | 351 | som_symfile_read (struct objfile *objfile, int symfile_flags) |
c906108c SS |
352 | { |
353 | bfd *abfd = objfile->obfd; | |
354 | struct cleanup *back_to; | |
355 | ||
c906108c | 356 | init_minimal_symbol_collection (); |
56e290f4 | 357 | back_to = make_cleanup_discard_minimal_symbols (); |
c906108c | 358 | |
c378eb4e | 359 | /* Process the normal SOM symbol table first. |
c906108c | 360 | This reads in the DNTT and string table, but doesn't |
c378eb4e MS |
361 | actually scan the DNTT. It does scan the linker symbol |
362 | table and thus build up a "minimal symbol table". */ | |
c5aa993b | 363 | |
96baa820 | 364 | som_symtab_read (abfd, objfile, objfile->section_offsets); |
c906108c | 365 | |
7134143f | 366 | /* Install any minimal symbols that have been collected as the current |
c378eb4e | 367 | minimal symbols for this objfile. |
7134143f | 368 | Further symbol-reading is done incrementally, file-by-file, |
c378eb4e MS |
369 | in a step known as "psymtab-to-symtab" expansion. hp-symtab-read.c |
370 | contains the code to do the actual DNTT scanning and symtab building. */ | |
7134143f DJ |
371 | install_minimal_symbols (objfile); |
372 | do_cleanups (back_to); | |
373 | ||
c906108c | 374 | /* Now read information from the stabs debug sections. |
4897bfb9 | 375 | This is emitted by gcc. */ |
c67a9c90 | 376 | stabsect_build_psymtabs (objfile, |
c906108c | 377 | "$GDB_SYMBOLS$", "$GDB_STRINGS$", "$TEXT$"); |
c906108c SS |
378 | } |
379 | ||
380 | /* Initialize anything that needs initializing when a completely new symbol | |
381 | file is specified (not just adding some symbols from another file, e.g. a | |
382 | shared library). | |
383 | ||
384 | We reinitialize buildsym, since we may be reading stabs from a SOM file. */ | |
385 | ||
386 | static void | |
fba45db2 | 387 | som_new_init (struct objfile *ignore) |
c906108c SS |
388 | { |
389 | stabsread_new_init (); | |
390 | buildsym_new_init (); | |
391 | } | |
392 | ||
393 | /* Perform any local cleanups required when we are done with a particular | |
c378eb4e | 394 | objfile. I.e, we are in the process of discarding all symbol information |
c906108c | 395 | for an objfile, freeing up all memory held for it, and unlinking the |
c378eb4e | 396 | objfile struct from the global list of known objfiles. */ |
c906108c SS |
397 | |
398 | static void | |
fba45db2 | 399 | som_symfile_finish (struct objfile *objfile) |
c906108c | 400 | { |
c906108c SS |
401 | } |
402 | ||
403 | /* SOM specific initialization routine for reading symbols. */ | |
404 | ||
405 | static void | |
fba45db2 | 406 | som_symfile_init (struct objfile *objfile) |
c906108c SS |
407 | { |
408 | /* SOM objects may be reordered, so set OBJF_REORDERED. If we | |
409 | find this causes a significant slowdown in gdb then we could | |
410 | set it in the debug symbol readers only when necessary. */ | |
411 | objfile->flags |= OBJF_REORDERED; | |
c906108c SS |
412 | } |
413 | ||
36192a8d TT |
414 | /* An object of this type is passed to find_section_offset. */ |
415 | ||
416 | struct find_section_offset_arg | |
417 | { | |
418 | /* The objfile. */ | |
419 | ||
420 | struct objfile *objfile; | |
421 | ||
422 | /* Flags to invert. */ | |
423 | ||
424 | flagword invert; | |
425 | ||
426 | /* Flags to look for. */ | |
427 | ||
428 | flagword flags; | |
429 | ||
430 | /* A text section with non-zero size, if any. */ | |
431 | ||
432 | asection *best_section; | |
433 | ||
434 | /* An empty text section, if any. */ | |
435 | ||
436 | asection *empty_section; | |
437 | }; | |
438 | ||
439 | /* A callback for bfd_map_over_sections that tries to find a section | |
440 | with particular flags in an objfile. */ | |
441 | ||
442 | static void | |
443 | find_section_offset (bfd *abfd, asection *sect, void *arg) | |
444 | { | |
445 | struct find_section_offset_arg *info = arg; | |
446 | flagword aflag; | |
447 | ||
448 | aflag = bfd_get_section_flags (abfd, sect); | |
449 | ||
450 | aflag ^= info->invert; | |
451 | ||
452 | if ((aflag & info->flags) == info->flags) | |
453 | { | |
454 | if (bfd_section_size (abfd, sect) > 0) | |
455 | { | |
456 | if (info->best_section == NULL) | |
457 | info->best_section = sect; | |
458 | } | |
459 | else | |
460 | { | |
461 | if (info->empty_section == NULL) | |
462 | info->empty_section = sect; | |
463 | } | |
464 | } | |
465 | } | |
466 | ||
467 | /* Set a section index from a BFD. */ | |
468 | ||
469 | static void | |
470 | set_section_index (struct objfile *objfile, flagword invert, flagword flags, | |
471 | int *index_ptr) | |
472 | { | |
473 | struct find_section_offset_arg info; | |
474 | ||
475 | info.objfile = objfile; | |
476 | info.best_section = NULL; | |
477 | info.empty_section = NULL; | |
478 | info.invert = invert; | |
479 | info.flags = flags; | |
480 | bfd_map_over_sections (objfile->obfd, find_section_offset, &info); | |
481 | ||
482 | if (info.best_section) | |
483 | *index_ptr = info.best_section->index; | |
484 | else if (info.empty_section) | |
485 | *index_ptr = info.empty_section->index; | |
486 | } | |
487 | ||
c906108c SS |
488 | /* SOM specific parsing routine for section offsets. |
489 | ||
490 | Plain and simple for now. */ | |
491 | ||
d4f3574e | 492 | static void |
66f65e2b TT |
493 | som_symfile_offsets (struct objfile *objfile, |
494 | const struct section_addr_info *addrs) | |
c906108c | 495 | { |
c906108c | 496 | int i; |
0aa9cf96 | 497 | CORE_ADDR text_addr; |
36192a8d | 498 | asection *sect; |
c906108c | 499 | |
a39a16c4 | 500 | objfile->num_sections = bfd_count_sections (objfile->obfd); |
d4f3574e | 501 | objfile->section_offsets = (struct section_offsets *) |
8b92e4d5 | 502 | obstack_alloc (&objfile->objfile_obstack, |
a39a16c4 | 503 | SIZEOF_N_SECTION_OFFSETS (objfile->num_sections)); |
c906108c | 504 | |
36192a8d TT |
505 | set_section_index (objfile, 0, SEC_ALLOC | SEC_CODE, |
506 | &objfile->sect_index_text); | |
507 | set_section_index (objfile, 0, SEC_ALLOC | SEC_DATA, | |
508 | &objfile->sect_index_data); | |
509 | set_section_index (objfile, SEC_LOAD, SEC_ALLOC | SEC_LOAD, | |
510 | &objfile->sect_index_bss); | |
511 | set_section_index (objfile, 0, SEC_ALLOC | SEC_READONLY, | |
512 | &objfile->sect_index_rodata); | |
b8fbeb18 | 513 | |
c906108c | 514 | /* First see if we're a shared library. If so, get the section |
2acceee2 | 515 | offsets from the library, else get them from addrs. */ |
d4f3574e | 516 | if (!som_solib_section_offsets (objfile, objfile->section_offsets)) |
c906108c | 517 | { |
b8fbeb18 EZ |
518 | /* Note: Here is OK to compare with ".text" because this is the |
519 | name that gdb itself gives to that section, not the SOM | |
c378eb4e | 520 | name. */ |
d76488d8 | 521 | for (i = 0; i < addrs->num_sections; i++) |
0aa9cf96 EZ |
522 | if (strcmp (addrs->other[i].name, ".text") == 0) |
523 | break; | |
524 | text_addr = addrs->other[i].addr; | |
525 | ||
a39a16c4 | 526 | for (i = 0; i < objfile->num_sections; i++) |
f0a58b0b | 527 | (objfile->section_offsets)->offsets[i] = text_addr; |
c906108c | 528 | } |
c906108c | 529 | } |
c5aa993b | 530 | \f |
c906108c SS |
531 | |
532 | ||
c906108c SS |
533 | /* Register that we are able to handle SOM object file formats. */ |
534 | ||
00b5771c | 535 | static const struct sym_fns som_sym_fns = |
c906108c | 536 | { |
3e43a32a MS |
537 | som_new_init, /* init anything gbl to entire symtab */ |
538 | som_symfile_init, /* read initial info, setup for sym_read() */ | |
539 | som_symfile_read, /* read a symbol file into symtab */ | |
b11896a5 | 540 | NULL, /* sym_read_psymbols */ |
3e43a32a MS |
541 | som_symfile_finish, /* finished with file, cleanup */ |
542 | som_symfile_offsets, /* Translate ext. to int. relocation */ | |
543 | default_symfile_segments, /* Get segment information from a file. */ | |
544 | NULL, | |
545 | default_symfile_relocate, /* Relocate a debug section. */ | |
55aa24fb | 546 | NULL, /* sym_get_probes */ |
00b5771c | 547 | &psym_functions |
c906108c SS |
548 | }; |
549 | ||
b2259038 TT |
550 | initialize_file_ftype _initialize_somread; |
551 | ||
c906108c | 552 | void |
fba45db2 | 553 | _initialize_somread (void) |
c906108c | 554 | { |
c256e171 | 555 | add_symtab_fns (bfd_target_som_flavour, &som_sym_fns); |
c906108c | 556 | } |