Commit | Line | Data |
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bb140953 JL |
1 | /* Handle HP SOM shared libraries for GDB, the GNU Debugger. |
2 | Copyright 1993 Free Software Foundation, Inc. | |
b1c6705a | 3 | |
bb140953 JL |
4 | This file is part of GDB. |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | ||
20 | Written by the Center for Software Science at the Univerity of Utah | |
21 | and by Cygnus Support. */ | |
22 | ||
23 | ||
24 | #include "defs.h" | |
25 | ||
26 | #include "frame.h" | |
27 | #include "bfd.h" | |
28 | #include "som.h" | |
29 | #include "libhppa.h" | |
30 | #include "gdbcore.h" | |
31 | #include "symtab.h" | |
32 | #include "breakpoint.h" | |
33 | #include "symfile.h" | |
34 | #include "objfiles.h" | |
35 | #include "inferior.h" | |
36 | ||
b1c6705a JL |
37 | /* TODO: |
38 | ||
39 | * Relocate data addresses in the shared library. | |
40 | ||
41 | * Most of this code should work for hp300 shared libraries. Does | |
42 | anyone care enough to weed out any SOM-isms. | |
43 | ||
44 | * Do we need/want a command to load a shared library? | |
45 | ||
b1c6705a JL |
46 | * Support for hpux8 dynamic linker. |
47 | ||
48 | * Support for tracking user calls to dld_load, dld_unload. */ | |
49 | ||
50 | /* The basic structure which describes a dynamically loaded object. This | |
51 | data structure is private to the dynamic linker and isn't found in | |
52 | any HPUX include file. */ | |
bb140953 JL |
53 | |
54 | struct som_solib_mapped_entry | |
55 | { | |
56 | /* The name of the library. */ | |
57 | char *name; | |
58 | ||
b1c6705a | 59 | /* Version of this structure (it is expected to change again in hpux10). */ |
bb140953 JL |
60 | unsigned char struct_version; |
61 | ||
62 | /* Binding mode for this library. */ | |
63 | unsigned char bind_mode; | |
64 | ||
65 | /* Version of this library. */ | |
66 | short library_version; | |
67 | ||
68 | /* Start of text address, link-time text location, end of text address. */ | |
69 | CORE_ADDR text_addr; | |
70 | CORE_ADDR text_link_addr; | |
71 | CORE_ADDR text_end; | |
72 | ||
73 | /* Start of data, start of bss and end of data. */ | |
74 | CORE_ADDR data_start; | |
75 | CORE_ADDR bss_start; | |
76 | CORE_ADDR data_end; | |
77 | ||
78 | /* Value of linkage pointer (%r19). */ | |
79 | CORE_ADDR got_value; | |
80 | ||
81 | /* Next entry. */ | |
82 | struct som_solib_mapped_entry *next; | |
83 | ||
84 | /* There are other fields, but I don't have information as to what is | |
85 | contained in them. */ | |
86 | }; | |
87 | ||
b1c6705a JL |
88 | /* A structure to keep track of all the known shared objects. */ |
89 | struct so_list | |
90 | { | |
91 | struct som_solib_mapped_entry som_solib; | |
92 | struct objfile *objfile; | |
93 | bfd *abfd; | |
94 | struct section_table *sections; | |
95 | struct section_table *sections_end; | |
96 | struct so_list *next; | |
97 | }; | |
98 | ||
99 | static struct so_list *so_list_head; | |
100 | ||
101 | static void som_sharedlibrary_info_command PARAMS ((char *, int)); | |
102 | ||
bb140953 JL |
103 | /* Add symbols from shared libraries into the symtab list. */ |
104 | ||
105 | void | |
106 | som_solib_add (arg_string, from_tty, target) | |
107 | char *arg_string; | |
108 | int from_tty; | |
109 | struct target_ops *target; | |
b1c6705a | 110 | { |
bb140953 | 111 | struct minimal_symbol *msymbol; |
b1c6705a | 112 | struct so_list *so_list_tail; |
bb140953 | 113 | CORE_ADDR addr; |
b1c6705a | 114 | asection *shlib_info; |
bb140953 | 115 | int status; |
c2e00af6 | 116 | unsigned int dld_flags; |
bb140953 JL |
117 | char buf[4]; |
118 | ||
c2e00af6 JL |
119 | /* If we're debugging a core file, or have attached to a running |
120 | process, then som_solib_create_inferior_hook will not have been | |
121 | called. | |
122 | ||
b1c6705a JL |
123 | We need to first determine if we're dealing with a dynamically |
124 | linked executable. If not, then return without an error or warning. | |
125 | ||
126 | We also need to examine __dld_flags to determine if the shared library | |
127 | list is valid and to determine if the libraries have been privately | |
c2e00af6 | 128 | mapped. */ |
b1c6705a JL |
129 | /* First see if the objfile was dynamically linked. */ |
130 | shlib_info = bfd_get_section_by_name (symfile_objfile->obfd, "$SHLIB_INFO$"); | |
131 | if (!shlib_info) | |
132 | return; | |
133 | ||
134 | /* It's got a $SHLIB_INFO$ section, make sure it's not empty. */ | |
135 | if (bfd_section_size (symfile_objfile->obfd, shlib_info) == 0) | |
136 | return; | |
137 | ||
c2e00af6 JL |
138 | msymbol = lookup_minimal_symbol ("__dld_flags", (struct objfile *) NULL); |
139 | if (msymbol == NULL) | |
140 | { | |
141 | error ("Unable to find __dld_flags symbol in object file.\n"); | |
142 | return; | |
143 | } | |
144 | ||
145 | addr = SYMBOL_VALUE_ADDRESS (msymbol); | |
146 | /* Read the current contents. */ | |
147 | status = target_read_memory (addr, buf, 4); | |
148 | if (status != 0) | |
149 | { | |
150 | error ("Unable to read __dld_flags\n"); | |
151 | return; | |
152 | } | |
153 | dld_flags = extract_unsigned_integer (buf, 4); | |
154 | ||
155 | /* __dld_list may not be valid. If it's not valid tell the user. */ | |
156 | if ((dld_flags & 4) == 0) | |
157 | { | |
158 | error ("__dld_list is not valid according to __dld_flags.\n"); | |
159 | return; | |
160 | } | |
161 | ||
162 | /* If the libraries were not mapped private, warn the user. */ | |
163 | if ((dld_flags & 1) == 0) | |
b1c6705a | 164 | warning ("The shared libraries were not privately mapped; setting a\nbreakpoint in a shared library will not work until you rerun the program.\n"); |
c2e00af6 | 165 | |
bb140953 JL |
166 | msymbol = lookup_minimal_symbol ("__dld_list", (struct objfile *) NULL); |
167 | if (!msymbol) | |
168 | { | |
169 | /* Older crt0.o files (hpux8) don't have __dld_list as a symbol, | |
170 | but the data is still available if you know where to look. */ | |
171 | msymbol = lookup_minimal_symbol ("__dld_flags", (struct objfile *)NULL); | |
172 | if (!msymbol) | |
173 | { | |
174 | error ("Unable to find dynamic library list.\n"); | |
175 | return; | |
176 | } | |
177 | addr = SYMBOL_VALUE_ADDRESS (msymbol) - 8; | |
178 | } | |
179 | else | |
180 | addr = SYMBOL_VALUE_ADDRESS (msymbol); | |
181 | ||
182 | status = target_read_memory (addr, buf, 4); | |
183 | if (status != 0) | |
184 | { | |
185 | error ("Unable to find dynamic library list.\n"); | |
186 | return; | |
187 | } | |
188 | ||
189 | addr = extract_unsigned_integer (buf, 4); | |
190 | ||
191 | /* If addr is zero, then we're using an old dynamic loader which | |
192 | doesn't maintain __dld_list. We'll have to use a completely | |
193 | different approach to get shared library information. */ | |
194 | if (addr == 0) | |
195 | goto old_dld; | |
196 | ||
197 | /* Using the information in __dld_list is the preferred method | |
198 | to get at shared library information. It doesn't depend on | |
199 | any functions in /usr/lib/end.o and has a chance of working | |
200 | with hpux10 when it is released. */ | |
201 | status = target_read_memory (addr, buf, 4); | |
202 | if (status != 0) | |
203 | { | |
204 | error ("Unable to find dynamic library list.\n"); | |
205 | return; | |
206 | } | |
207 | ||
208 | /* addr now holds the address of the first entry in the dynamic | |
209 | library list. */ | |
210 | addr = extract_unsigned_integer (buf, 4); | |
211 | ||
212 | /* Now that we have a pointer to the dynamic library list, walk | |
213 | through it and add the symbols for each library. | |
214 | ||
215 | Skip the first entry since it's our executable. */ | |
216 | status = target_read_memory (addr + 36, buf, 4); | |
217 | if (status != 0) | |
b1c6705a JL |
218 | goto err; |
219 | ||
bb140953 JL |
220 | addr = extract_unsigned_integer (buf, 4); |
221 | ||
b1c6705a JL |
222 | so_list_tail = so_list_head; |
223 | /* Find the end of the list of shared objects. */ | |
224 | while (so_list_tail && so_list_tail->next) | |
225 | so_list_tail = so_list_tail->next; | |
226 | ||
bb140953 JL |
227 | while (1) |
228 | { | |
229 | CORE_ADDR name_addr, text_addr; | |
230 | unsigned int name_len; | |
231 | char *name; | |
b1c6705a JL |
232 | struct so_list *new_so; |
233 | struct section_table *p; | |
234 | ||
bb140953 JL |
235 | if (addr == 0) |
236 | break; | |
237 | ||
238 | /* Get a pointer to the name of this library. */ | |
239 | status = target_read_memory (addr, buf, 4); | |
240 | if (status != 0) | |
b1c6705a JL |
241 | goto err; |
242 | ||
bb140953 JL |
243 | name_addr = extract_unsigned_integer (buf, 4); |
244 | name_len = 0; | |
245 | while (1) | |
246 | { | |
247 | target_read_memory (name_addr + name_len, buf, 1); | |
248 | if (status != 0) | |
b1c6705a JL |
249 | goto err; |
250 | ||
bb140953 JL |
251 | name_len++; |
252 | if (*buf == '\0') | |
253 | break; | |
254 | } | |
255 | name = alloca (name_len); | |
256 | status = target_read_memory (name_addr, name, name_len); | |
257 | if (status != 0) | |
b1c6705a JL |
258 | goto err; |
259 | ||
bb140953 JL |
260 | name = obsavestring (name, name_len - 1, |
261 | &symfile_objfile->symbol_obstack); | |
262 | ||
263 | status = target_read_memory (addr + 8, buf, 4); | |
264 | if (status != 0) | |
b1c6705a JL |
265 | goto err; |
266 | ||
267 | text_addr = extract_unsigned_integer (buf, 4); | |
268 | ||
269 | ||
270 | new_so = (struct so_list *) malloc (sizeof (struct so_list)); | |
271 | memset ((char *)new_so, 0, sizeof (struct so_list)); | |
272 | if (so_list_head == NULL) | |
bb140953 | 273 | { |
b1c6705a JL |
274 | so_list_head = new_so; |
275 | so_list_tail = new_so; | |
bb140953 | 276 | } |
b1c6705a JL |
277 | else |
278 | { | |
279 | so_list_tail->next = new_so; | |
280 | so_list_tail = new_so; | |
281 | } | |
282 | ||
283 | /* Fill in all the entries in GDB's shared library list. */ | |
284 | new_so->som_solib.name = name; | |
285 | status = target_read_memory (addr + 4, buf, 4); | |
286 | if (status != 0) | |
287 | goto err; | |
288 | ||
289 | new_so->som_solib.struct_version = extract_unsigned_integer (buf + 3, 1); | |
290 | new_so->som_solib.bind_mode = extract_unsigned_integer (buf + 2, 1); | |
291 | new_so->som_solib.library_version = extract_unsigned_integer (buf, 2); | |
292 | new_so->som_solib.text_addr = text_addr; | |
293 | ||
294 | status = target_read_memory (addr + 12, buf, 4); | |
295 | if (status != 0) | |
296 | goto err; | |
297 | ||
298 | new_so->som_solib.text_link_addr = extract_unsigned_integer (buf, 4); | |
bb140953 | 299 | |
b1c6705a JL |
300 | status = target_read_memory (addr + 16, buf, 4); |
301 | if (status != 0) | |
302 | goto err; | |
303 | ||
304 | new_so->som_solib.text_end = extract_unsigned_integer (buf, 4); | |
305 | ||
306 | status = target_read_memory (addr + 20, buf, 4); | |
307 | if (status != 0) | |
308 | goto err; | |
309 | ||
310 | new_so->som_solib.data_start = extract_unsigned_integer (buf, 4); | |
311 | ||
312 | status = target_read_memory (addr + 24, buf, 4); | |
313 | if (status != 0) | |
314 | goto err; | |
315 | ||
316 | new_so->som_solib.bss_start = extract_unsigned_integer (buf, 4); | |
317 | ||
318 | status = target_read_memory (addr + 28, buf, 4); | |
319 | if (status != 0) | |
320 | goto err; | |
321 | ||
322 | new_so->som_solib.data_end = extract_unsigned_integer (buf, 4); | |
323 | ||
324 | status = target_read_memory (addr + 32, buf, 4); | |
325 | if (status != 0) | |
326 | goto err; | |
327 | ||
328 | new_so->som_solib.got_value = extract_unsigned_integer (buf, 4); | |
bb140953 | 329 | |
bb140953 JL |
330 | status = target_read_memory (addr + 36, buf, 4); |
331 | if (status != 0) | |
b1c6705a JL |
332 | goto err; |
333 | ||
334 | new_so->som_solib.next = (void *)extract_unsigned_integer (buf, 4); | |
335 | addr = (CORE_ADDR)new_so->som_solib.next; | |
336 | ||
337 | new_so->objfile = symbol_file_add (name, from_tty, text_addr, 0, 0, 0); | |
338 | new_so->abfd = bfd_openr (name, gnutarget); | |
339 | new_so->abfd->cacheable = true; | |
340 | ||
341 | if (!bfd_check_format (new_so->abfd, bfd_object)) | |
342 | { | |
343 | error ("\"%s\": not in executable format: %s.", | |
344 | name, bfd_errmsg (bfd_get_error ())); | |
345 | } | |
346 | ||
347 | /* Now we need to build a section table for this library since | |
348 | we might be debugging a core file from a dynamically linked | |
349 | executable in which the libraries were not privately mapped. */ | |
350 | if (build_section_table (new_so->abfd, | |
351 | &new_so->sections, | |
352 | &new_so->sections_end)) | |
bb140953 | 353 | { |
b1c6705a | 354 | error ("Unable to build section table for shared library\n."); |
bb140953 JL |
355 | return; |
356 | } | |
b1c6705a JL |
357 | |
358 | /* Relocate all the sections based on where they got loaded. */ | |
359 | for (p = new_so->sections; p < new_so->sections_end; p++) | |
360 | { | |
361 | if (p->the_bfd_section->flags & SEC_CODE) | |
362 | { | |
363 | p->addr += text_addr - new_so->som_solib.text_link_addr; | |
364 | p->endaddr += text_addr - new_so->som_solib.text_link_addr; | |
365 | } | |
366 | else if (p->the_bfd_section->flags & SEC_DATA) | |
367 | { | |
368 | p->addr += new_so->som_solib.data_start; | |
369 | p->endaddr += new_so->som_solib.data_start; | |
370 | } | |
371 | } | |
372 | ||
373 | /* Now see if we need to map in the text and data for this shared | |
374 | library (for example debugging a core file which does not use | |
375 | private shared libraries.). | |
376 | ||
377 | Carefully peek at the first text address in the library. If the | |
378 | read succeeds, then the libraries were privately mapped and were | |
379 | included in the core dump file. | |
380 | ||
381 | If the peek failed, then the libraries were not privately mapped | |
382 | and are not in the core file, we'll have to read them in ourselves. */ | |
383 | status = target_read_memory (text_addr, buf, 4); | |
384 | if (status != 0) | |
385 | { | |
386 | int old; | |
387 | ||
388 | /* Add sections from the shared library to the core target. */ | |
389 | if (target->to_sections) | |
390 | { | |
391 | old = target->to_sections_end - target->to_sections; | |
392 | target->to_sections = (struct section_table *) | |
393 | xrealloc ((char *)target->to_sections, | |
394 | ((sizeof (struct section_table)) | |
395 | * (old + bfd_count_sections (new_so->abfd)))); | |
396 | } | |
397 | else | |
398 | { | |
399 | old = 0; | |
400 | target->to_sections = (struct section_table *) | |
401 | xmalloc ((sizeof (struct section_table)) | |
402 | * bfd_count_sections (new_so->abfd)); | |
403 | } | |
404 | target->to_sections_end = (target->to_sections | |
405 | + old + bfd_count_sections (new_so->abfd)); | |
406 | memcpy ((char *)(target->to_sections + old), | |
407 | new_so->sections, | |
408 | ((sizeof (struct section_table)) | |
409 | * bfd_count_sections (new_so->abfd))); | |
410 | } | |
bb140953 JL |
411 | } |
412 | ||
413 | /* Getting new symbols may change our opinion about what is | |
414 | frameless. */ | |
415 | reinit_frame_cache (); | |
416 | return; | |
417 | ||
418 | old_dld: | |
419 | error ("Debugging dynamic executables loaded via the hpux8 dld.sl is not supported.\n"); | |
420 | return; | |
b1c6705a JL |
421 | |
422 | err: | |
423 | error ("Error while reading dynamic library list.\n"); | |
424 | return; | |
bb140953 JL |
425 | } |
426 | ||
b1c6705a | 427 | |
bb140953 JL |
428 | /* This hook gets called just before the first instruction in the |
429 | inferior process is executed. | |
430 | ||
431 | This is our opportunity to set magic flags in the inferior so | |
432 | that GDB can be notified when a shared library is mapped in and | |
433 | to tell the dynamic linker that a private copy of the library is | |
434 | needed (so GDB can set breakpoints in the library). | |
435 | ||
436 | __dld_flags is the location of the magic flags; as of this implementation | |
437 | there are 3 flags of interest: | |
438 | ||
439 | bit 0 when set indicates that private copies of the libraries are needed | |
440 | bit 1 when set indicates that the callback hook routine is valid | |
441 | bit 2 when set indicates that the dynamic linker should maintain the | |
442 | __dld_list structure when loading/unloading libraries. | |
443 | ||
444 | Note that shared libraries are not mapped in at this time, so we have | |
445 | run the inferior until the libraries are mapped in. Typically this | |
446 | means running until the "_start" is called. */ | |
b1c6705a JL |
447 | |
448 | void | |
bb140953 JL |
449 | som_solib_create_inferior_hook() |
450 | { | |
451 | struct minimal_symbol *msymbol; | |
bb140953 | 452 | unsigned int dld_flags, status; |
b1c6705a | 453 | asection *shlib_info; |
bb140953 JL |
454 | char shadow_contents[BREAKPOINT_MAX], buf[4]; |
455 | CORE_ADDR anaddr; | |
456 | ||
457 | /* First see if the objfile was dynamically linked. */ | |
458 | shlib_info = bfd_get_section_by_name (symfile_objfile->obfd, "$SHLIB_INFO$"); | |
459 | if (!shlib_info) | |
460 | return; | |
461 | ||
462 | /* It's got a $SHLIB_INFO$ section, make sure it's not empty. */ | |
463 | if (bfd_section_size (symfile_objfile->obfd, shlib_info) == 0) | |
464 | return; | |
465 | ||
466 | /* Get the address of __dld_flags, if no such symbol exists, then we can | |
467 | not debug the shared code. */ | |
468 | msymbol = lookup_minimal_symbol ("__dld_flags", (struct objfile *) NULL); | |
469 | if (msymbol == NULL) | |
470 | { | |
471 | error ("Unable to find __dld_flags symbol in object file.\n"); | |
472 | return; | |
473 | } | |
474 | ||
475 | anaddr = SYMBOL_VALUE_ADDRESS (msymbol); | |
476 | /* Read the current contents. */ | |
477 | status = target_read_memory (anaddr, buf, 4); | |
478 | if (status != 0) | |
479 | { | |
480 | error ("Unable to read __dld_flags\n"); | |
481 | return; | |
482 | } | |
483 | dld_flags = extract_unsigned_integer (buf, 4); | |
484 | ||
485 | /* Turn on the flags we care about. */ | |
486 | dld_flags |= 0x5; | |
487 | store_unsigned_integer (buf, 4, dld_flags); | |
488 | status = target_write_memory (anaddr, buf, 4); | |
489 | if (status != 0) | |
490 | { | |
491 | error ("Unable to write __dld_flags\n"); | |
492 | return; | |
493 | } | |
494 | ||
495 | /* Now find the address of _start and set a breakpoint there. */ | |
496 | msymbol = lookup_minimal_symbol ("_start", symfile_objfile); | |
497 | if (msymbol == NULL) | |
498 | { | |
499 | error ("Unable to find _start symbol in object file.\n"); | |
500 | return; | |
501 | } | |
502 | ||
503 | anaddr = SYMBOL_VALUE_ADDRESS (msymbol); | |
504 | if (target_insert_breakpoint (anaddr, shadow_contents)) | |
505 | { | |
506 | error ("Unable to set breakpoint at _start.\n"); | |
507 | return; | |
508 | } | |
509 | ||
b1c6705a JL |
510 | /* Wipe out all knowledge of old shared libraries since their |
511 | mapping can change from one exec to another! */ | |
512 | while (so_list_head) | |
513 | { | |
514 | struct so_list *temp; | |
515 | ||
516 | free_objfile (so_list_head->objfile); | |
517 | temp = so_list_head; | |
518 | free (so_list_head); | |
519 | so_list_head = temp->next; | |
520 | } | |
521 | ||
bb140953 JL |
522 | /* Start the process again and wait for it to hit our breakpoint. */ |
523 | clear_proceed_status (); | |
524 | stop_soon_quietly = 1; | |
525 | stop_signal = TARGET_SIGNAL_0; | |
526 | do | |
527 | { | |
528 | target_resume (-1, 0, stop_signal); | |
529 | wait_for_inferior (); | |
530 | } | |
531 | while (stop_signal != TARGET_SIGNAL_TRAP); | |
532 | stop_soon_quietly = 0; | |
533 | ||
534 | /* All the libraries should be mapped in now. Remove our breakpoint and | |
535 | read in the symbol tables from the shared libraries. */ | |
536 | if (target_remove_breakpoint (anaddr, shadow_contents)) | |
537 | { | |
538 | error ("Unable to remove breakpoint at _start.\n"); | |
539 | return; | |
540 | } | |
541 | ||
542 | som_solib_add ((char *) 0, 0, (struct target_ops *) 0); | |
543 | } | |
b1c6705a | 544 | |
b1bbe38b JL |
545 | /* Return the GOT value for the shared library in which ADDR belongs. If |
546 | ADDR isn't in any known shared library, return zero. */ | |
547 | ||
548 | CORE_ADDR | |
549 | som_solib_get_got_by_pc (addr) | |
550 | CORE_ADDR addr; | |
551 | { | |
552 | struct so_list *so_list = so_list_head; | |
553 | CORE_ADDR got_value = 0; | |
554 | ||
555 | while (so_list) | |
556 | { | |
557 | if (so_list->som_solib.text_addr <= addr | |
558 | && so_list->som_solib.text_end > addr) | |
559 | { | |
560 | got_value = so_list->som_solib.got_value; | |
561 | break; | |
562 | } | |
563 | so_list = so_list->next; | |
564 | } | |
565 | return got_value; | |
566 | } | |
567 | ||
b1c6705a JL |
568 | /* Dump information about all the currently loaded shared libraries. */ |
569 | ||
570 | static void | |
571 | som_sharedlibrary_info_command (ignore, from_tty) | |
572 | char *ignore; | |
573 | int from_tty; | |
574 | { | |
575 | struct so_list *so_list = so_list_head; | |
576 | ||
577 | if (exec_bfd == NULL) | |
578 | { | |
579 | printf_unfiltered ("no exec file.\n"); | |
580 | return; | |
581 | } | |
582 | ||
583 | if (so_list == NULL) | |
584 | { | |
585 | printf_unfiltered ("No shared libraries loaded at this time.\n"); | |
586 | return; | |
587 | } | |
588 | ||
589 | printf_unfiltered ("Shared Object Libraries\n"); | |
590 | printf_unfiltered (" %-12s%-12s%-12s%-12s%-12s%-12s\n", | |
591 | " flags", " tstart", " tend", " dstart", " dend", " dlt"); | |
592 | while (so_list) | |
593 | { | |
594 | unsigned int flags; | |
595 | ||
596 | flags = so_list->som_solib.struct_version << 24; | |
597 | flags |= so_list->som_solib.bind_mode << 16; | |
598 | flags |= so_list->som_solib.library_version; | |
599 | printf_unfiltered ("%s\n", so_list->som_solib.name); | |
600 | printf_unfiltered (" %-12s", local_hex_string_custom (flags, "08l")); | |
601 | printf_unfiltered ("%-12s", | |
602 | local_hex_string_custom (so_list->som_solib.text_addr, "08l")); | |
603 | printf_unfiltered ("%-12s", | |
604 | local_hex_string_custom (so_list->som_solib.text_end, "08l")); | |
605 | printf_unfiltered ("%-12s", | |
606 | local_hex_string_custom (so_list->som_solib.data_start, "08l")); | |
607 | printf_unfiltered ("%-12s", | |
608 | local_hex_string_custom (so_list->som_solib.data_end, "08l")); | |
609 | printf_unfiltered ("%-12s\n", | |
610 | local_hex_string_custom (so_list->som_solib.got_value, "08l")); | |
611 | so_list = so_list->next; | |
612 | } | |
613 | } | |
614 | ||
615 | void | |
616 | _initialize_som_solib () | |
617 | { | |
618 | add_info ("sharedlibrary", som_sharedlibrary_info_command, | |
619 | "Status of loaded shared object libraries."); | |
620 | } |