Commit | Line | Data |
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cfa9d6d9 DJ |
1 | /* Definitions for targets which report shared library events. |
2 | ||
e2882c85 | 3 | Copyright (C) 2007-2018 Free Software Foundation, Inc. |
cfa9d6d9 DJ |
4 | |
5 | This file is part of GDB. | |
6 | ||
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 |
cfa9d6d9 DJ |
10 | (at your option) any later version. |
11 | ||
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. | |
16 | ||
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/>. */ |
cfa9d6d9 DJ |
19 | |
20 | #include "defs.h" | |
21 | #include "objfiles.h" | |
22 | #include "solist.h" | |
23 | #include "symtab.h" | |
24 | #include "symfile.h" | |
25 | #include "target.h" | |
26 | #include "vec.h" | |
8d465389 | 27 | #include "solib-target.h" |
f2f46dfc | 28 | #include <vector> |
cfa9d6d9 | 29 | |
cfa9d6d9 | 30 | /* Private data for each loaded library. */ |
d0e449a1 | 31 | struct lm_info_target : public lm_info_base |
cfa9d6d9 DJ |
32 | { |
33 | /* The library's name. The name is normally kept in the struct | |
34 | so_list; it is only here during XML parsing. */ | |
51046d9e | 35 | std::string name; |
cfa9d6d9 | 36 | |
1fddbabb PA |
37 | /* The target can either specify segment bases or section bases, not |
38 | both. */ | |
39 | ||
cfa9d6d9 DJ |
40 | /* The base addresses for each independently relocatable segment of |
41 | this shared library. */ | |
f2f46dfc | 42 | std::vector<CORE_ADDR> segment_bases; |
cfa9d6d9 | 43 | |
1fddbabb PA |
44 | /* The base addresses for each independently allocatable, |
45 | relocatable section of this shared library. */ | |
f2f46dfc | 46 | std::vector<CORE_ADDR> section_bases; |
1fddbabb | 47 | |
cfa9d6d9 | 48 | /* The cached offsets for each section of this shared library, |
1fddbabb | 49 | determined from SEGMENT_BASES, or SECTION_BASES. */ |
51046d9e | 50 | section_offsets *offsets = NULL; |
cfa9d6d9 DJ |
51 | }; |
52 | ||
d0e449a1 SM |
53 | typedef lm_info_target *lm_info_target_p; |
54 | DEF_VEC_P(lm_info_target_p); | |
cfa9d6d9 DJ |
55 | |
56 | #if !defined(HAVE_LIBEXPAT) | |
57 | ||
d0e449a1 | 58 | static VEC(lm_info_target_p) * |
cfa9d6d9 DJ |
59 | solib_target_parse_libraries (const char *library) |
60 | { | |
61 | static int have_warned; | |
62 | ||
63 | if (!have_warned) | |
64 | { | |
65 | have_warned = 1; | |
66 | warning (_("Can not parse XML library list; XML support was disabled " | |
67 | "at compile time")); | |
68 | } | |
69 | ||
70 | return NULL; | |
71 | } | |
72 | ||
73 | #else /* HAVE_LIBEXPAT */ | |
74 | ||
75 | #include "xml-support.h" | |
76 | ||
77 | /* Handle the start of a <segment> element. */ | |
78 | ||
79 | static void | |
80 | library_list_start_segment (struct gdb_xml_parser *parser, | |
81 | const struct gdb_xml_element *element, | |
4d0fdd9b SM |
82 | void *user_data, |
83 | std::vector<gdb_xml_value> &attributes) | |
cfa9d6d9 | 84 | { |
d0e449a1 SM |
85 | VEC(lm_info_target_p) **list = (VEC(lm_info_target_p) **) user_data; |
86 | lm_info_target *last = VEC_last (lm_info_target_p, *list); | |
19ba03f4 | 87 | ULONGEST *address_p |
4d0fdd9b | 88 | = (ULONGEST *) xml_find_attribute (attributes, "address")->value.get (); |
358eb95e | 89 | CORE_ADDR address = (CORE_ADDR) *address_p; |
cfa9d6d9 | 90 | |
f2f46dfc | 91 | if (!last->section_bases.empty ()) |
1fddbabb PA |
92 | gdb_xml_error (parser, |
93 | _("Library list with both segments and sections")); | |
94 | ||
f2f46dfc | 95 | last->segment_bases.push_back (address); |
cfa9d6d9 DJ |
96 | } |
97 | ||
1fddbabb PA |
98 | static void |
99 | library_list_start_section (struct gdb_xml_parser *parser, | |
100 | const struct gdb_xml_element *element, | |
4d0fdd9b SM |
101 | void *user_data, |
102 | std::vector<gdb_xml_value> &attributes) | |
1fddbabb | 103 | { |
d0e449a1 SM |
104 | VEC(lm_info_target_p) **list = (VEC(lm_info_target_p) **) user_data; |
105 | lm_info_target *last = VEC_last (lm_info_target_p, *list); | |
19ba03f4 | 106 | ULONGEST *address_p |
4d0fdd9b | 107 | = (ULONGEST *) xml_find_attribute (attributes, "address")->value.get (); |
1fddbabb PA |
108 | CORE_ADDR address = (CORE_ADDR) *address_p; |
109 | ||
f2f46dfc | 110 | if (!last->segment_bases.empty ()) |
1fddbabb PA |
111 | gdb_xml_error (parser, |
112 | _("Library list with both segments and sections")); | |
113 | ||
f2f46dfc | 114 | last->section_bases.push_back (address); |
1fddbabb PA |
115 | } |
116 | ||
cfa9d6d9 DJ |
117 | /* Handle the start of a <library> element. */ |
118 | ||
119 | static void | |
120 | library_list_start_library (struct gdb_xml_parser *parser, | |
121 | const struct gdb_xml_element *element, | |
4d0fdd9b SM |
122 | void *user_data, |
123 | std::vector<gdb_xml_value> &attributes) | |
cfa9d6d9 | 124 | { |
d0e449a1 | 125 | VEC(lm_info_target_p) **list = (VEC(lm_info_target_p) **) user_data; |
51046d9e | 126 | lm_info_target *item = new lm_info_target; |
19ba03f4 | 127 | const char *name |
4d0fdd9b | 128 | = (const char *) xml_find_attribute (attributes, "name")->value.get (); |
cfa9d6d9 DJ |
129 | |
130 | item->name = xstrdup (name); | |
d0e449a1 | 131 | VEC_safe_push (lm_info_target_p, *list, item); |
cfa9d6d9 DJ |
132 | } |
133 | ||
1fddbabb PA |
134 | static void |
135 | library_list_end_library (struct gdb_xml_parser *parser, | |
136 | const struct gdb_xml_element *element, | |
137 | void *user_data, const char *body_text) | |
138 | { | |
d0e449a1 SM |
139 | VEC(lm_info_target_p) **list = (VEC(lm_info_target_p) **) user_data; |
140 | lm_info_target *lm_info = VEC_last (lm_info_target_p, *list); | |
433759f7 | 141 | |
f2f46dfc SM |
142 | if (lm_info->segment_bases.empty () && lm_info->section_bases.empty ()) |
143 | gdb_xml_error (parser, _("No segment or section bases defined")); | |
1fddbabb PA |
144 | } |
145 | ||
146 | ||
cfa9d6d9 DJ |
147 | /* Handle the start of a <library-list> element. */ |
148 | ||
149 | static void | |
150 | library_list_start_list (struct gdb_xml_parser *parser, | |
151 | const struct gdb_xml_element *element, | |
4d0fdd9b SM |
152 | void *user_data, |
153 | std::vector<gdb_xml_value> &attributes) | |
cfa9d6d9 | 154 | { |
24c05f46 | 155 | struct gdb_xml_value *version = xml_find_attribute (attributes, "version"); |
cfa9d6d9 | 156 | |
24c05f46 | 157 | /* #FIXED attribute may be omitted, Expat returns NULL in such case. */ |
8847cac2 | 158 | if (version != NULL) |
24c05f46 | 159 | { |
4d0fdd9b | 160 | const char *string = (const char *) version->value.get (); |
24c05f46 JK |
161 | |
162 | if (strcmp (string, "1.0") != 0) | |
163 | gdb_xml_error (parser, | |
164 | _("Library list has unsupported version \"%s\""), | |
21047726 | 165 | string); |
24c05f46 | 166 | } |
cfa9d6d9 DJ |
167 | } |
168 | ||
169 | /* Discard the constructed library list. */ | |
170 | ||
171 | static void | |
172 | solib_target_free_library_list (void *p) | |
173 | { | |
d0e449a1 SM |
174 | VEC(lm_info_target_p) **result = (VEC(lm_info_target_p) **) p; |
175 | lm_info_target *info; | |
cfa9d6d9 DJ |
176 | int ix; |
177 | ||
d0e449a1 | 178 | for (ix = 0; VEC_iterate (lm_info_target_p, *result, ix, info); ix++) |
51046d9e SM |
179 | delete info; |
180 | ||
d0e449a1 | 181 | VEC_free (lm_info_target_p, *result); |
cfa9d6d9 DJ |
182 | *result = NULL; |
183 | } | |
184 | ||
185 | /* The allowed elements and attributes for an XML library list. | |
186 | The root element is a <library-list>. */ | |
187 | ||
d6c10e95 | 188 | static const struct gdb_xml_attribute segment_attributes[] = { |
cfa9d6d9 DJ |
189 | { "address", GDB_XML_AF_NONE, gdb_xml_parse_attr_ulongest, NULL }, |
190 | { NULL, GDB_XML_AF_NONE, NULL, NULL } | |
191 | }; | |
192 | ||
d6c10e95 | 193 | static const struct gdb_xml_attribute section_attributes[] = { |
1fddbabb PA |
194 | { "address", GDB_XML_AF_NONE, gdb_xml_parse_attr_ulongest, NULL }, |
195 | { NULL, GDB_XML_AF_NONE, NULL, NULL } | |
196 | }; | |
197 | ||
d6c10e95 | 198 | static const struct gdb_xml_element library_children[] = { |
1fddbabb PA |
199 | { "segment", segment_attributes, NULL, |
200 | GDB_XML_EF_REPEATABLE | GDB_XML_EF_OPTIONAL, | |
cfa9d6d9 | 201 | library_list_start_segment, NULL }, |
1fddbabb PA |
202 | { "section", section_attributes, NULL, |
203 | GDB_XML_EF_REPEATABLE | GDB_XML_EF_OPTIONAL, | |
204 | library_list_start_section, NULL }, | |
cfa9d6d9 DJ |
205 | { NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL } |
206 | }; | |
207 | ||
d6c10e95 | 208 | static const struct gdb_xml_attribute library_attributes[] = { |
cfa9d6d9 DJ |
209 | { "name", GDB_XML_AF_NONE, NULL, NULL }, |
210 | { NULL, GDB_XML_AF_NONE, NULL, NULL } | |
211 | }; | |
212 | ||
d6c10e95 | 213 | static const struct gdb_xml_element library_list_children[] = { |
cfa9d6d9 DJ |
214 | { "library", library_attributes, library_children, |
215 | GDB_XML_EF_REPEATABLE | GDB_XML_EF_OPTIONAL, | |
1fddbabb | 216 | library_list_start_library, library_list_end_library }, |
cfa9d6d9 DJ |
217 | { NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL } |
218 | }; | |
219 | ||
d6c10e95 | 220 | static const struct gdb_xml_attribute library_list_attributes[] = { |
24c05f46 | 221 | { "version", GDB_XML_AF_OPTIONAL, NULL, NULL }, |
cfa9d6d9 DJ |
222 | { NULL, GDB_XML_AF_NONE, NULL, NULL } |
223 | }; | |
224 | ||
d6c10e95 | 225 | static const struct gdb_xml_element library_list_elements[] = { |
cfa9d6d9 DJ |
226 | { "library-list", library_list_attributes, library_list_children, |
227 | GDB_XML_EF_NONE, library_list_start_list, NULL }, | |
228 | { NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL } | |
229 | }; | |
230 | ||
d0e449a1 | 231 | static VEC(lm_info_target_p) * |
cfa9d6d9 DJ |
232 | solib_target_parse_libraries (const char *library) |
233 | { | |
d0e449a1 | 234 | VEC(lm_info_target_p) *result = NULL; |
efc0eabd PA |
235 | struct cleanup *back_to = make_cleanup (solib_target_free_library_list, |
236 | &result); | |
cfa9d6d9 | 237 | |
efc0eabd PA |
238 | if (gdb_xml_parse_quick (_("target library list"), "library-list.dtd", |
239 | library_list_elements, library, &result) == 0) | |
240 | { | |
241 | /* Parsed successfully, keep the result. */ | |
242 | discard_cleanups (back_to); | |
243 | return result; | |
244 | } | |
cfa9d6d9 DJ |
245 | |
246 | do_cleanups (back_to); | |
efc0eabd | 247 | return NULL; |
cfa9d6d9 DJ |
248 | } |
249 | #endif | |
250 | ||
251 | static struct so_list * | |
252 | solib_target_current_sos (void) | |
253 | { | |
254 | struct so_list *new_solib, *start = NULL, *last = NULL; | |
d0e449a1 SM |
255 | VEC(lm_info_target_p) *library_list; |
256 | lm_info_target *info; | |
cfa9d6d9 DJ |
257 | int ix; |
258 | ||
259 | /* Fetch the list of shared libraries. */ | |
9018be22 | 260 | gdb::optional<gdb::char_vector> library_document |
f6ac5f3d | 261 | = target_read_stralloc (target_stack, TARGET_OBJECT_LIBRARIES, NULL); |
9018be22 | 262 | if (!library_document) |
cfa9d6d9 DJ |
263 | return NULL; |
264 | ||
265 | /* Parse the list. */ | |
9018be22 | 266 | library_list = solib_target_parse_libraries (library_document->data ()); |
b25d79d4 | 267 | |
cfa9d6d9 DJ |
268 | if (library_list == NULL) |
269 | return NULL; | |
270 | ||
271 | /* Build a struct so_list for each entry on the list. */ | |
d0e449a1 | 272 | for (ix = 0; VEC_iterate (lm_info_target_p, library_list, ix, info); ix++) |
cfa9d6d9 | 273 | { |
41bf6aca | 274 | new_solib = XCNEW (struct so_list); |
51046d9e SM |
275 | strncpy (new_solib->so_name, info->name.c_str (), |
276 | SO_NAME_MAX_PATH_SIZE - 1); | |
cfa9d6d9 | 277 | new_solib->so_name[SO_NAME_MAX_PATH_SIZE - 1] = '\0'; |
51046d9e | 278 | strncpy (new_solib->so_original_name, info->name.c_str (), |
cfa9d6d9 DJ |
279 | SO_NAME_MAX_PATH_SIZE - 1); |
280 | new_solib->so_original_name[SO_NAME_MAX_PATH_SIZE - 1] = '\0'; | |
281 | new_solib->lm_info = info; | |
282 | ||
283 | /* We no longer need this copy of the name. */ | |
51046d9e | 284 | info->name.clear (); |
cfa9d6d9 DJ |
285 | |
286 | /* Add it to the list. */ | |
287 | if (!start) | |
288 | last = start = new_solib; | |
289 | else | |
290 | { | |
291 | last->next = new_solib; | |
292 | last = new_solib; | |
293 | } | |
294 | } | |
295 | ||
296 | /* Free the library list, but not its members. */ | |
d0e449a1 | 297 | VEC_free (lm_info_target_p, library_list); |
cfa9d6d9 DJ |
298 | |
299 | return start; | |
300 | } | |
301 | ||
cfa9d6d9 | 302 | static void |
268a4a75 | 303 | solib_target_solib_create_inferior_hook (int from_tty) |
cfa9d6d9 DJ |
304 | { |
305 | /* Nothing needed. */ | |
306 | } | |
307 | ||
308 | static void | |
309 | solib_target_clear_solib (void) | |
310 | { | |
311 | /* Nothing needed. */ | |
312 | } | |
313 | ||
314 | static void | |
315 | solib_target_free_so (struct so_list *so) | |
316 | { | |
d0e449a1 SM |
317 | lm_info_target *li = (lm_info_target *) so->lm_info; |
318 | ||
51046d9e SM |
319 | gdb_assert (li->name.empty ()); |
320 | ||
321 | delete li; | |
cfa9d6d9 DJ |
322 | } |
323 | ||
324 | static void | |
325 | solib_target_relocate_section_addresses (struct so_list *so, | |
0542c86d | 326 | struct target_section *sec) |
cfa9d6d9 | 327 | { |
cfa9d6d9 | 328 | CORE_ADDR offset; |
d0e449a1 | 329 | lm_info_target *li = (lm_info_target *) so->lm_info; |
cfa9d6d9 DJ |
330 | |
331 | /* Build the offset table only once per object file. We can not do | |
332 | it any earlier, since we need to open the file first. */ | |
d0e449a1 | 333 | if (li->offsets == NULL) |
cfa9d6d9 | 334 | { |
d445b2f6 | 335 | int num_sections = gdb_bfd_count_sections (so->abfd); |
cfa9d6d9 | 336 | |
d0e449a1 | 337 | li->offsets |
224c3ddb SM |
338 | = ((struct section_offsets *) |
339 | xzalloc (SIZEOF_N_SECTION_OFFSETS (num_sections))); | |
cfa9d6d9 | 340 | |
f2f46dfc | 341 | if (!li->section_bases.empty ()) |
cfa9d6d9 | 342 | { |
cfa9d6d9 | 343 | int i; |
1fddbabb | 344 | asection *sect; |
1fddbabb PA |
345 | int num_alloc_sections = 0; |
346 | ||
347 | for (i = 0, sect = so->abfd->sections; | |
348 | sect != NULL; | |
349 | i++, sect = sect->next) | |
350 | if ((bfd_get_section_flags (so->abfd, sect) & SEC_ALLOC)) | |
351 | num_alloc_sections++; | |
352 | ||
d17f7b36 | 353 | if (num_alloc_sections != li->section_bases.size ()) |
1fddbabb PA |
354 | warning (_("\ |
355 | Could not relocate shared library \"%s\": wrong number of ALLOC sections"), | |
cfa9d6d9 | 356 | so->so_name); |
1fddbabb | 357 | else |
cfa9d6d9 | 358 | { |
1fddbabb PA |
359 | int bases_index = 0; |
360 | int found_range = 0; | |
1fddbabb PA |
361 | |
362 | so->addr_low = ~(CORE_ADDR) 0; | |
363 | so->addr_high = 0; | |
364 | for (i = 0, sect = so->abfd->sections; | |
365 | sect != NULL; | |
366 | i++, sect = sect->next) | |
367 | { | |
368 | if (!(bfd_get_section_flags (so->abfd, sect) & SEC_ALLOC)) | |
369 | continue; | |
370 | if (bfd_section_size (so->abfd, sect) > 0) | |
371 | { | |
372 | CORE_ADDR low, high; | |
433759f7 | 373 | |
f2f46dfc | 374 | low = li->section_bases[i]; |
1fddbabb PA |
375 | high = low + bfd_section_size (so->abfd, sect) - 1; |
376 | ||
377 | if (low < so->addr_low) | |
378 | so->addr_low = low; | |
379 | if (high > so->addr_high) | |
380 | so->addr_high = high; | |
381 | gdb_assert (so->addr_low <= so->addr_high); | |
382 | found_range = 1; | |
383 | } | |
f2f46dfc | 384 | li->offsets->offsets[i] = li->section_bases[bases_index]; |
1fddbabb PA |
385 | bases_index++; |
386 | } | |
387 | if (!found_range) | |
388 | so->addr_low = so->addr_high = 0; | |
389 | gdb_assert (so->addr_low <= so->addr_high); | |
390 | } | |
391 | } | |
f2f46dfc | 392 | else if (!li->segment_bases.empty ()) |
1fddbabb PA |
393 | { |
394 | struct symfile_segment_data *data; | |
433759f7 | 395 | |
1fddbabb PA |
396 | data = get_symfile_segment_data (so->abfd); |
397 | if (data == NULL) | |
398 | warning (_("\ | |
399 | Could not relocate shared library \"%s\": no segments"), so->so_name); | |
400 | else | |
401 | { | |
402 | ULONGEST orig_delta; | |
403 | int i; | |
1fddbabb | 404 | |
d0e449a1 | 405 | if (!symfile_map_offsets_to_segments (so->abfd, data, li->offsets, |
d17f7b36 SM |
406 | li->segment_bases.size (), |
407 | li->segment_bases.data ())) | |
1fddbabb PA |
408 | warning (_("\ |
409 | Could not relocate shared library \"%s\": bad offsets"), so->so_name); | |
410 | ||
411 | /* Find the range of addresses to report for this library in | |
412 | "info sharedlibrary". Report any consecutive segments | |
413 | which were relocated as a single unit. */ | |
d17f7b36 SM |
414 | gdb_assert (li->segment_bases.size () > 0); |
415 | orig_delta = li->segment_bases[0] - data->segment_bases[0]; | |
1fddbabb PA |
416 | |
417 | for (i = 1; i < data->num_segments; i++) | |
418 | { | |
419 | /* If we have run out of offsets, assume all | |
420 | remaining segments have the same offset. */ | |
d17f7b36 | 421 | if (i >= li->segment_bases.size ()) |
1fddbabb PA |
422 | continue; |
423 | ||
424 | /* If this segment does not have the same offset, do | |
425 | not include it in the library's range. */ | |
d17f7b36 SM |
426 | if (li->segment_bases[i] - data->segment_bases[i] |
427 | != orig_delta) | |
1fddbabb PA |
428 | break; |
429 | } | |
430 | ||
d17f7b36 | 431 | so->addr_low = li->segment_bases[0]; |
1fddbabb PA |
432 | so->addr_high = (data->segment_bases[i - 1] |
433 | + data->segment_sizes[i - 1] | |
434 | + orig_delta); | |
435 | gdb_assert (so->addr_low <= so->addr_high); | |
436 | ||
437 | free_symfile_segment_data (data); | |
cfa9d6d9 | 438 | } |
cfa9d6d9 DJ |
439 | } |
440 | } | |
441 | ||
d0e449a1 SM |
442 | offset = li->offsets->offsets[gdb_bfd_section_index |
443 | (sec->the_bfd_section->owner, | |
444 | sec->the_bfd_section)]; | |
cfa9d6d9 DJ |
445 | sec->addr += offset; |
446 | sec->endaddr += offset; | |
447 | } | |
448 | ||
449 | static int | |
bf469271 | 450 | solib_target_open_symbol_file_object (int from_tty) |
cfa9d6d9 DJ |
451 | { |
452 | /* We can't locate the main symbol file based on the target's | |
453 | knowledge; the user has to specify it. */ | |
454 | return 0; | |
455 | } | |
456 | ||
457 | static int | |
458 | solib_target_in_dynsym_resolve_code (CORE_ADDR pc) | |
459 | { | |
460 | /* We don't have a range of addresses for the dynamic linker; there | |
461 | may not be one in the program's address space. So only report | |
462 | PLT entries (which may be import stubs). */ | |
3e5d3a5a | 463 | return in_plt_section (pc); |
cfa9d6d9 DJ |
464 | } |
465 | ||
8d465389 | 466 | struct target_so_ops solib_target_so_ops; |
cfa9d6d9 | 467 | |
cfa9d6d9 DJ |
468 | void |
469 | _initialize_solib_target (void) | |
470 | { | |
471 | solib_target_so_ops.relocate_section_addresses | |
472 | = solib_target_relocate_section_addresses; | |
473 | solib_target_so_ops.free_so = solib_target_free_so; | |
474 | solib_target_so_ops.clear_solib = solib_target_clear_solib; | |
475 | solib_target_so_ops.solib_create_inferior_hook | |
476 | = solib_target_solib_create_inferior_hook; | |
cfa9d6d9 DJ |
477 | solib_target_so_ops.current_sos = solib_target_current_sos; |
478 | solib_target_so_ops.open_symbol_file_object | |
479 | = solib_target_open_symbol_file_object; | |
480 | solib_target_so_ops.in_dynsym_resolve_code | |
481 | = solib_target_in_dynsym_resolve_code; | |
831a0c44 | 482 | solib_target_so_ops.bfd_open = solib_bfd_open; |
98d64339 PA |
483 | |
484 | /* Set current_target_so_ops to solib_target_so_ops if not already | |
485 | set. */ | |
486 | if (current_target_so_ops == 0) | |
487 | current_target_so_ops = &solib_target_so_ops; | |
cfa9d6d9 | 488 | } |