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252b5132 | 1 | /* Generic symbol-table support for the BFD library. |
fd67aa11 | 2 | Copyright (C) 1990-2024 Free Software Foundation, Inc. |
252b5132 RH |
3 | Written by Cygnus Support. |
4 | ||
21efdc8d | 5 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 6 | |
21efdc8d NC |
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 | |
cd123cb7 | 9 | the Free Software Foundation; either version 3 of the License, or |
21efdc8d | 10 | (at your option) any later version. |
252b5132 | 11 | |
21efdc8d NC |
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. | |
252b5132 | 16 | |
21efdc8d NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
20 | MA 02110-1301, USA. */ | |
252b5132 RH |
21 | |
22 | /* | |
23 | SECTION | |
24 | Symbols | |
25 | ||
26 | BFD tries to maintain as much symbol information as it can when | |
27 | it moves information from file to file. BFD passes information | |
28 | to applications though the <<asymbol>> structure. When the | |
29 | application requests the symbol table, BFD reads the table in | |
30 | the native form and translates parts of it into the internal | |
31 | format. To maintain more than the information passed to | |
32 | applications, some targets keep some information ``behind the | |
33 | scenes'' in a structure only the particular back end knows | |
34 | about. For example, the coff back end keeps the original | |
35 | symbol table structure as well as the canonical structure when | |
36 | a BFD is read in. On output, the coff back end can reconstruct | |
37 | the output symbol table so that no information is lost, even | |
38 | information unique to coff which BFD doesn't know or | |
39 | understand. If a coff symbol table were read, but were written | |
40 | through an a.out back end, all the coff specific information | |
41 | would be lost. The symbol table of a BFD | |
42 | is not necessarily read in until a canonicalize request is | |
43 | made. Then the BFD back end fills in a table provided by the | |
44 | application with pointers to the canonical information. To | |
45 | output symbols, the application provides BFD with a table of | |
46 | pointers to pointers to <<asymbol>>s. This allows applications | |
47 | like the linker to output a symbol as it was read, since the ``behind | |
48 | the scenes'' information will be still available. | |
49 | @menu | |
50 | @* Reading Symbols:: | |
51 | @* Writing Symbols:: | |
52 | @* Mini Symbols:: | |
53 | @* typedef asymbol:: | |
54 | @* symbol handling functions:: | |
55 | @end menu | |
56 | ||
57 | INODE | |
58 | Reading Symbols, Writing Symbols, Symbols, Symbols | |
59 | SUBSECTION | |
60 | Reading symbols | |
61 | ||
62 | There are two stages to reading a symbol table from a BFD: | |
63 | allocating storage, and the actual reading process. This is an | |
64 | excerpt from an application which reads the symbol table: | |
65 | ||
07d6d2b8 AM |
66 | | long storage_needed; |
67 | | asymbol **symbol_table; | |
68 | | long number_of_symbols; | |
69 | | long i; | |
252b5132 | 70 | | |
07d6d2b8 | 71 | | storage_needed = bfd_get_symtab_upper_bound (abfd); |
252b5132 RH |
72 | | |
73 | | if (storage_needed < 0) | |
74 | | FAIL | |
75 | | | |
07d6d2b8 AM |
76 | | if (storage_needed == 0) |
77 | | return; | |
68ffbac6 | 78 | | |
07d6d2b8 AM |
79 | | symbol_table = xmalloc (storage_needed); |
80 | | ... | |
81 | | number_of_symbols = | |
82 | | bfd_canonicalize_symtab (abfd, symbol_table); | |
252b5132 RH |
83 | | |
84 | | if (number_of_symbols < 0) | |
85 | | FAIL | |
86 | | | |
07d6d2b8 AM |
87 | | for (i = 0; i < number_of_symbols; i++) |
88 | | process_symbol (symbol_table[i]); | |
252b5132 RH |
89 | |
90 | All storage for the symbols themselves is in an objalloc | |
91 | connected to the BFD; it is freed when the BFD is closed. | |
92 | ||
252b5132 RH |
93 | INODE |
94 | Writing Symbols, Mini Symbols, Reading Symbols, Symbols | |
95 | SUBSECTION | |
96 | Writing symbols | |
97 | ||
98 | Writing of a symbol table is automatic when a BFD open for | |
99 | writing is closed. The application attaches a vector of | |
100 | pointers to pointers to symbols to the BFD being written, and | |
101 | fills in the symbol count. The close and cleanup code reads | |
102 | through the table provided and performs all the necessary | |
103 | operations. The BFD output code must always be provided with an | |
104 | ``owned'' symbol: one which has come from another BFD, or one | |
105 | which has been created using <<bfd_make_empty_symbol>>. Here is an | |
106 | example showing the creation of a symbol table with only one element: | |
107 | ||
07d6d2b8 AM |
108 | | #include "sysdep.h" |
109 | | #include "bfd.h" | |
110 | | int main (void) | |
111 | | { | |
112 | | bfd *abfd; | |
113 | | asymbol *ptrs[2]; | |
114 | | asymbol *new; | |
252b5132 | 115 | | |
07d6d2b8 AM |
116 | | abfd = bfd_openw ("foo","a.out-sunos-big"); |
117 | | bfd_set_format (abfd, bfd_object); | |
118 | | new = bfd_make_empty_symbol (abfd); | |
119 | | new->name = "dummy_symbol"; | |
120 | | new->section = bfd_make_section_old_way (abfd, ".text"); | |
121 | | new->flags = BSF_GLOBAL; | |
122 | | new->value = 0x12345; | |
252b5132 | 123 | | |
07d6d2b8 AM |
124 | | ptrs[0] = new; |
125 | | ptrs[1] = 0; | |
252b5132 | 126 | | |
07d6d2b8 AM |
127 | | bfd_set_symtab (abfd, ptrs, 1); |
128 | | bfd_close (abfd); | |
129 | | return 0; | |
130 | | } | |
252b5132 | 131 | | |
07d6d2b8 AM |
132 | | ./makesym |
133 | | nm foo | |
134 | | 00012345 A dummy_symbol | |
252b5132 | 135 | |
7dee875e | 136 | Many formats cannot represent arbitrary symbol information; for |
07d6d2b8 | 137 | instance, the <<a.out>> object format does not allow an |
7dee875e | 138 | arbitrary number of sections. A symbol pointing to a section |
252b5132 RH |
139 | which is not one of <<.text>>, <<.data>> or <<.bss>> cannot |
140 | be described. | |
141 | ||
142 | INODE | |
143 | Mini Symbols, typedef asymbol, Writing Symbols, Symbols | |
144 | SUBSECTION | |
145 | Mini Symbols | |
146 | ||
147 | Mini symbols provide read-only access to the symbol table. | |
148 | They use less memory space, but require more time to access. | |
149 | They can be useful for tools like nm or objdump, which may | |
150 | have to handle symbol tables of extremely large executables. | |
151 | ||
152 | The <<bfd_read_minisymbols>> function will read the symbols | |
153 | into memory in an internal form. It will return a <<void *>> | |
154 | pointer to a block of memory, a symbol count, and the size of | |
155 | each symbol. The pointer is allocated using <<malloc>>, and | |
156 | should be freed by the caller when it is no longer needed. | |
157 | ||
158 | The function <<bfd_minisymbol_to_symbol>> will take a pointer | |
159 | to a minisymbol, and a pointer to a structure returned by | |
160 | <<bfd_make_empty_symbol>>, and return a <<asymbol>> structure. | |
161 | The return value may or may not be the same as the value from | |
162 | <<bfd_make_empty_symbol>> which was passed in. | |
163 | ||
164 | */ | |
165 | ||
252b5132 RH |
166 | /* |
167 | DOCDD | |
168 | INODE | |
169 | typedef asymbol, symbol handling functions, Mini Symbols, Symbols | |
170 | ||
252b5132 RH |
171 | SUBSECTION |
172 | typedef asymbol | |
173 | ||
174 | An <<asymbol>> has the form: | |
175 | ||
252b5132 | 176 | CODE_FRAGMENT |
fc0a2244 | 177 | .typedef struct bfd_symbol |
252b5132 | 178 | .{ |
b5f79c76 NC |
179 | . {* A pointer to the BFD which owns the symbol. This information |
180 | . is necessary so that a back end can work out what additional | |
181 | . information (invisible to the application writer) is carried | |
182 | . with the symbol. | |
252b5132 | 183 | . |
b5f79c76 NC |
184 | . This field is *almost* redundant, since you can use section->owner |
185 | . instead, except that some symbols point to the global sections | |
186 | . bfd_{abs,com,und}_section. This could be fixed by making | |
187 | . these globals be per-bfd (or per-target-flavor). FIXME. *} | |
2ce40c65 | 188 | . struct bfd *the_bfd; {* Use bfd_asymbol_bfd(sym) to access this field. *} |
252b5132 | 189 | . |
b5f79c76 NC |
190 | . {* The text of the symbol. The name is left alone, and not copied; the |
191 | . application may not alter it. *} | |
dc810e39 | 192 | . const char *name; |
252b5132 | 193 | . |
b5f79c76 NC |
194 | . {* The value of the symbol. This really should be a union of a |
195 | . numeric value with a pointer, since some flags indicate that | |
196 | . a pointer to another symbol is stored here. *} | |
252b5132 RH |
197 | . symvalue value; |
198 | . | |
b5f79c76 | 199 | . {* Attributes of a symbol. *} |
07d6d2b8 | 200 | .#define BSF_NO_FLAGS 0 |
252b5132 | 201 | . |
b5f79c76 NC |
202 | . {* The symbol has local scope; <<static>> in <<C>>. The value |
203 | . is the offset into the section of the data. *} | |
07d6d2b8 | 204 | .#define BSF_LOCAL (1 << 0) |
252b5132 | 205 | . |
b5f79c76 NC |
206 | . {* The symbol has global scope; initialized data in <<C>>. The |
207 | . value is the offset into the section of the data. *} | |
07d6d2b8 | 208 | .#define BSF_GLOBAL (1 << 1) |
252b5132 | 209 | . |
b5f79c76 NC |
210 | . {* The symbol has global scope and is exported. The value is |
211 | . the offset into the section of the data. *} | |
07d6d2b8 | 212 | .#define BSF_EXPORT BSF_GLOBAL {* No real difference. *} |
252b5132 | 213 | . |
b5f79c76 | 214 | . {* A normal C symbol would be one of: |
75c1920b | 215 | . <<BSF_LOCAL>>, <<BSF_UNDEFINED>> or <<BSF_GLOBAL>>. *} |
252b5132 | 216 | . |
7dee875e | 217 | . {* The symbol is a debugging record. The value has an arbitrary |
b5f79c76 | 218 | . meaning, unless BSF_DEBUGGING_RELOC is also set. *} |
07d6d2b8 | 219 | .#define BSF_DEBUGGING (1 << 2) |
252b5132 | 220 | . |
b5f79c76 NC |
221 | . {* The symbol denotes a function entry point. Used in ELF, |
222 | . perhaps others someday. *} | |
07d6d2b8 | 223 | .#define BSF_FUNCTION (1 << 3) |
e7c33416 | 224 | . |
b5f79c76 | 225 | . {* Used by the linker. *} |
07d6d2b8 | 226 | .#define BSF_KEEP (1 << 5) |
b8871f35 L |
227 | . |
228 | . {* An ELF common symbol. *} | |
07d6d2b8 | 229 | .#define BSF_ELF_COMMON (1 << 6) |
252b5132 | 230 | . |
b5f79c76 NC |
231 | . {* A weak global symbol, overridable without warnings by |
232 | . a regular global symbol of the same name. *} | |
07d6d2b8 | 233 | .#define BSF_WEAK (1 << 7) |
252b5132 | 234 | . |
b5f79c76 NC |
235 | . {* This symbol was created to point to a section, e.g. ELF's |
236 | . STT_SECTION symbols. *} | |
07d6d2b8 | 237 | .#define BSF_SECTION_SYM (1 << 8) |
252b5132 | 238 | . |
b5f79c76 NC |
239 | . {* The symbol used to be a common symbol, but now it is |
240 | . allocated. *} | |
07d6d2b8 | 241 | .#define BSF_OLD_COMMON (1 << 9) |
252b5132 | 242 | . |
b5f79c76 NC |
243 | . {* In some files the type of a symbol sometimes alters its |
244 | . location in an output file - ie in coff a <<ISFCN>> symbol | |
245 | . which is also <<C_EXT>> symbol appears where it was | |
246 | . declared and not at the end of a section. This bit is set | |
247 | . by the target BFD part to convey this information. *} | |
07d6d2b8 | 248 | .#define BSF_NOT_AT_END (1 << 10) |
252b5132 | 249 | . |
b5f79c76 | 250 | . {* Signal that the symbol is the label of constructor section. *} |
07d6d2b8 | 251 | .#define BSF_CONSTRUCTOR (1 << 11) |
252b5132 | 252 | . |
b5f79c76 NC |
253 | . {* Signal that the symbol is a warning symbol. The name is a |
254 | . warning. The name of the next symbol is the one to warn about; | |
255 | . if a reference is made to a symbol with the same name as the next | |
256 | . symbol, a warning is issued by the linker. *} | |
07d6d2b8 | 257 | .#define BSF_WARNING (1 << 12) |
252b5132 | 258 | . |
b5f79c76 NC |
259 | . {* Signal that the symbol is indirect. This symbol is an indirect |
260 | . pointer to the symbol with the same name as the next symbol. *} | |
07d6d2b8 | 261 | .#define BSF_INDIRECT (1 << 13) |
252b5132 | 262 | . |
b5f79c76 NC |
263 | . {* BSF_FILE marks symbols that contain a file name. This is used |
264 | . for ELF STT_FILE symbols. *} | |
07d6d2b8 | 265 | .#define BSF_FILE (1 << 14) |
252b5132 | 266 | . |
b5f79c76 | 267 | . {* Symbol is from dynamic linking information. *} |
07d6d2b8 | 268 | .#define BSF_DYNAMIC (1 << 15) |
252b5132 | 269 | . |
b5f79c76 NC |
270 | . {* The symbol denotes a data object. Used in ELF, and perhaps |
271 | . others someday. *} | |
07d6d2b8 | 272 | .#define BSF_OBJECT (1 << 16) |
252b5132 | 273 | . |
b5f79c76 NC |
274 | . {* This symbol is a debugging symbol. The value is the offset |
275 | . into the section of the data. BSF_DEBUGGING should be set | |
276 | . as well. *} | |
07d6d2b8 | 277 | .#define BSF_DEBUGGING_RELOC (1 << 17) |
703153b5 | 278 | . |
13ae64f3 | 279 | . {* This symbol is thread local. Used in ELF. *} |
07d6d2b8 | 280 | .#define BSF_THREAD_LOCAL (1 << 18) |
13ae64f3 | 281 | . |
d9352518 DB |
282 | . {* This symbol represents a complex relocation expression, |
283 | . with the expression tree serialized in the symbol name. *} | |
07d6d2b8 | 284 | .#define BSF_RELC (1 << 19) |
d9352518 DB |
285 | . |
286 | . {* This symbol represents a signed complex relocation expression, | |
287 | . with the expression tree serialized in the symbol name. *} | |
07d6d2b8 | 288 | .#define BSF_SRELC (1 << 20) |
d9352518 | 289 | . |
6ba2a415 | 290 | . {* This symbol was created by bfd_get_synthetic_symtab. *} |
07d6d2b8 | 291 | .#define BSF_SYNTHETIC (1 << 21) |
6ba2a415 | 292 | . |
d8045f23 NC |
293 | . {* This symbol is an indirect code object. Unrelated to BSF_INDIRECT. |
294 | . The dynamic linker will compute the value of this symbol by | |
295 | . calling the function that it points to. BSF_FUNCTION must | |
296 | . also be also set. *} | |
297 | .#define BSF_GNU_INDIRECT_FUNCTION (1 << 22) | |
3e7a7d11 NC |
298 | . {* This symbol is a globally unique data object. The dynamic linker |
299 | . will make sure that in the entire process there is just one symbol | |
300 | . with this name and type in use. BSF_OBJECT must also be set. *} | |
07d6d2b8 | 301 | .#define BSF_GNU_UNIQUE (1 << 23) |
d8045f23 | 302 | . |
d1bcae83 L |
303 | . {* This section symbol should be included in the symbol table. *} |
304 | .#define BSF_SECTION_SYM_USED (1 << 24) | |
305 | . | |
252b5132 RH |
306 | . flagword flags; |
307 | . | |
b5f79c76 NC |
308 | . {* A pointer to the section to which this symbol is |
309 | . relative. This will always be non NULL, there are special | |
310 | . sections for undefined and absolute symbols. *} | |
198beae2 | 311 | . struct bfd_section *section; |
252b5132 | 312 | . |
b5f79c76 | 313 | . {* Back end special data. *} |
252b5132 RH |
314 | . union |
315 | . { | |
c58b9523 | 316 | . void *p; |
252b5132 | 317 | . bfd_vma i; |
b5f79c76 NC |
318 | . } |
319 | . udata; | |
320 | .} | |
321 | .asymbol; | |
252b5132 | 322 | . |
717d4bd6 AM |
323 | |
324 | EXTERNAL | |
325 | .typedef enum bfd_print_symbol | |
326 | .{ | |
327 | . bfd_print_symbol_name, | |
328 | . bfd_print_symbol_more, | |
329 | . bfd_print_symbol_all | |
330 | .} bfd_print_symbol_type; | |
331 | . | |
332 | .{* Information about a symbol that nm needs. *} | |
333 | . | |
334 | .typedef struct _symbol_info | |
335 | .{ | |
336 | . symvalue value; | |
337 | . char type; | |
338 | . const char *name; {* Symbol name. *} | |
339 | . unsigned char stab_type; {* Stab type. *} | |
340 | . char stab_other; {* Stab other. *} | |
341 | . short stab_desc; {* Stab desc. *} | |
342 | . const char *stab_name; {* String for stab type. *} | |
343 | .} symbol_info; | |
344 | . | |
252b5132 RH |
345 | */ |
346 | ||
252b5132 | 347 | #include "sysdep.h" |
3db64b00 | 348 | #include "bfd.h" |
252b5132 | 349 | #include "libbfd.h" |
3882b010 | 350 | #include "safe-ctype.h" |
252b5132 RH |
351 | #include "bfdlink.h" |
352 | #include "aout/stab_gnu.h" | |
353 | ||
252b5132 RH |
354 | /* |
355 | DOCDD | |
356 | INODE | |
357 | symbol handling functions, , typedef asymbol, Symbols | |
358 | SUBSECTION | |
359 | Symbol handling functions | |
360 | */ | |
361 | ||
362 | /* | |
363 | FUNCTION | |
364 | bfd_get_symtab_upper_bound | |
365 | ||
366 | DESCRIPTION | |
367 | Return the number of bytes required to store a vector of pointers | |
368 | to <<asymbols>> for all the symbols in the BFD @var{abfd}, | |
369 | including a terminal NULL pointer. If there are no symbols in | |
370 | the BFD, then return 0. If an error occurs, return -1. | |
371 | ||
372 | .#define bfd_get_symtab_upper_bound(abfd) \ | |
07d6d2b8 | 373 | . BFD_SEND (abfd, _bfd_get_symtab_upper_bound, (abfd)) |
b5f79c76 | 374 | . |
252b5132 RH |
375 | */ |
376 | ||
377 | /* | |
378 | FUNCTION | |
379 | bfd_is_local_label | |
380 | ||
381 | SYNOPSIS | |
0a1b45a2 | 382 | bool bfd_is_local_label (bfd *abfd, asymbol *sym); |
252b5132 RH |
383 | |
384 | DESCRIPTION | |
b34976b6 AM |
385 | Return TRUE if the given symbol @var{sym} in the BFD @var{abfd} is |
386 | a compiler generated local label, else return FALSE. | |
252b5132 RH |
387 | */ |
388 | ||
0a1b45a2 | 389 | bool |
c58b9523 | 390 | bfd_is_local_label (bfd *abfd, asymbol *sym) |
252b5132 | 391 | { |
a78f18dc JW |
392 | /* The BSF_SECTION_SYM check is needed for IA-64, where every label that |
393 | starts with '.' is local. This would accidentally catch section names | |
394 | if we didn't reject them here. */ | |
864274b0 | 395 | if ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_FILE | BSF_SECTION_SYM)) != 0) |
0a1b45a2 | 396 | return false; |
252b5132 | 397 | if (sym->name == NULL) |
0a1b45a2 | 398 | return false; |
252b5132 RH |
399 | return bfd_is_local_label_name (abfd, sym->name); |
400 | } | |
401 | ||
402 | /* | |
403 | FUNCTION | |
404 | bfd_is_local_label_name | |
405 | ||
406 | SYNOPSIS | |
0a1b45a2 | 407 | bool bfd_is_local_label_name (bfd *abfd, const char *name); |
252b5132 RH |
408 | |
409 | DESCRIPTION | |
b34976b6 | 410 | Return TRUE if a symbol with the name @var{name} in the BFD |
252b5132 | 411 | @var{abfd} is a compiler generated local label, else return |
b34976b6 | 412 | FALSE. This just checks whether the name has the form of a |
252b5132 RH |
413 | local label. |
414 | ||
415 | .#define bfd_is_local_label_name(abfd, name) \ | |
07d6d2b8 | 416 | . BFD_SEND (abfd, _bfd_is_local_label_name, (abfd, name)) |
b5f79c76 | 417 | . |
252b5132 RH |
418 | */ |
419 | ||
3c9458e9 NC |
420 | /* |
421 | FUNCTION | |
422 | bfd_is_target_special_symbol | |
423 | ||
424 | SYNOPSIS | |
0a1b45a2 | 425 | bool bfd_is_target_special_symbol (bfd *abfd, asymbol *sym); |
3c9458e9 NC |
426 | |
427 | DESCRIPTION | |
428 | Return TRUE iff a symbol @var{sym} in the BFD @var{abfd} is something | |
429 | special to the particular target represented by the BFD. Such symbols | |
430 | should normally not be mentioned to the user. | |
431 | ||
432 | .#define bfd_is_target_special_symbol(abfd, sym) \ | |
07d6d2b8 | 433 | . BFD_SEND (abfd, _bfd_is_target_special_symbol, (abfd, sym)) |
3c9458e9 NC |
434 | . |
435 | */ | |
436 | ||
252b5132 RH |
437 | /* |
438 | FUNCTION | |
439 | bfd_canonicalize_symtab | |
440 | ||
441 | DESCRIPTION | |
442 | Read the symbols from the BFD @var{abfd}, and fills in | |
443 | the vector @var{location} with pointers to the symbols and | |
444 | a trailing NULL. | |
445 | Return the actual number of symbol pointers, not | |
446 | including the NULL. | |
447 | ||
252b5132 | 448 | .#define bfd_canonicalize_symtab(abfd, location) \ |
07d6d2b8 | 449 | . BFD_SEND (abfd, _bfd_canonicalize_symtab, (abfd, location)) |
b5f79c76 | 450 | . |
252b5132 RH |
451 | */ |
452 | ||
252b5132 RH |
453 | /* |
454 | FUNCTION | |
455 | bfd_set_symtab | |
456 | ||
457 | SYNOPSIS | |
0a1b45a2 | 458 | bool bfd_set_symtab |
c58b9523 | 459 | (bfd *abfd, asymbol **location, unsigned int count); |
252b5132 RH |
460 | |
461 | DESCRIPTION | |
462 | Arrange that when the output BFD @var{abfd} is closed, | |
463 | the table @var{location} of @var{count} pointers to symbols | |
464 | will be written. | |
465 | */ | |
466 | ||
0a1b45a2 | 467 | bool |
c58b9523 | 468 | bfd_set_symtab (bfd *abfd, asymbol **location, unsigned int symcount) |
252b5132 | 469 | { |
c58b9523 | 470 | if (abfd->format != bfd_object || bfd_read_p (abfd)) |
252b5132 RH |
471 | { |
472 | bfd_set_error (bfd_error_invalid_operation); | |
0a1b45a2 | 473 | return false; |
252b5132 RH |
474 | } |
475 | ||
ed48ec2e AM |
476 | abfd->outsymbols = location; |
477 | abfd->symcount = symcount; | |
0a1b45a2 | 478 | return true; |
252b5132 RH |
479 | } |
480 | ||
481 | /* | |
482 | FUNCTION | |
483 | bfd_print_symbol_vandf | |
484 | ||
485 | SYNOPSIS | |
c58b9523 | 486 | void bfd_print_symbol_vandf (bfd *abfd, void *file, asymbol *symbol); |
252b5132 RH |
487 | |
488 | DESCRIPTION | |
489 | Print the value and flags of the @var{symbol} supplied to the | |
490 | stream @var{file}. | |
491 | */ | |
492 | void | |
c58b9523 | 493 | bfd_print_symbol_vandf (bfd *abfd, void *arg, asymbol *symbol) |
252b5132 | 494 | { |
a50b1753 | 495 | FILE *file = (FILE *) arg; |
21efdc8d | 496 | |
252b5132 | 497 | flagword type = symbol->flags; |
21efdc8d | 498 | |
c58b9523 AM |
499 | if (symbol->section != NULL) |
500 | bfd_fprintf_vma (abfd, file, symbol->value + symbol->section->vma); | |
252b5132 | 501 | else |
21efdc8d | 502 | bfd_fprintf_vma (abfd, file, symbol->value); |
252b5132 RH |
503 | |
504 | /* This presumes that a symbol can not be both BSF_DEBUGGING and | |
505 | BSF_DYNAMIC, nor more than one of BSF_FUNCTION, BSF_FILE, and | |
506 | BSF_OBJECT. */ | |
507 | fprintf (file, " %c%c%c%c%c%c%c", | |
508 | ((type & BSF_LOCAL) | |
509 | ? (type & BSF_GLOBAL) ? '!' : 'l' | |
3e7a7d11 NC |
510 | : (type & BSF_GLOBAL) ? 'g' |
511 | : (type & BSF_GNU_UNIQUE) ? 'u' : ' '), | |
252b5132 RH |
512 | (type & BSF_WEAK) ? 'w' : ' ', |
513 | (type & BSF_CONSTRUCTOR) ? 'C' : ' ', | |
514 | (type & BSF_WARNING) ? 'W' : ' ', | |
d8045f23 | 515 | (type & BSF_INDIRECT) ? 'I' : (type & BSF_GNU_INDIRECT_FUNCTION) ? 'i' : ' ', |
252b5132 RH |
516 | (type & BSF_DEBUGGING) ? 'd' : (type & BSF_DYNAMIC) ? 'D' : ' ', |
517 | ((type & BSF_FUNCTION) | |
518 | ? 'F' | |
519 | : ((type & BSF_FILE) | |
520 | ? 'f' | |
521 | : ((type & BSF_OBJECT) ? 'O' : ' ')))); | |
522 | } | |
523 | ||
252b5132 RH |
524 | /* |
525 | FUNCTION | |
526 | bfd_make_empty_symbol | |
527 | ||
528 | DESCRIPTION | |
529 | Create a new <<asymbol>> structure for the BFD @var{abfd} | |
530 | and return a pointer to it. | |
531 | ||
532 | This routine is necessary because each back end has private | |
533 | information surrounding the <<asymbol>>. Building your own | |
534 | <<asymbol>> and pointing to it will not create the private | |
535 | information, and will cause problems later on. | |
536 | ||
537 | .#define bfd_make_empty_symbol(abfd) \ | |
07d6d2b8 | 538 | . BFD_SEND (abfd, _bfd_make_empty_symbol, (abfd)) |
b5f79c76 | 539 | . |
252b5132 RH |
540 | */ |
541 | ||
3f3c5c34 AM |
542 | /* |
543 | FUNCTION | |
544 | _bfd_generic_make_empty_symbol | |
545 | ||
546 | SYNOPSIS | |
c58b9523 | 547 | asymbol *_bfd_generic_make_empty_symbol (bfd *); |
3f3c5c34 AM |
548 | |
549 | DESCRIPTION | |
550 | Create a new <<asymbol>> structure for the BFD @var{abfd} | |
551 | and return a pointer to it. Used by core file routines, | |
552 | binary back-end and anywhere else where no private info | |
553 | is needed. | |
554 | */ | |
555 | ||
556 | asymbol * | |
c58b9523 | 557 | _bfd_generic_make_empty_symbol (bfd *abfd) |
3f3c5c34 | 558 | { |
986f0783 | 559 | size_t amt = sizeof (asymbol); |
d3ce72d0 NC |
560 | asymbol *new_symbol = (asymbol *) bfd_zalloc (abfd, amt); |
561 | if (new_symbol) | |
562 | new_symbol->the_bfd = abfd; | |
563 | return new_symbol; | |
3f3c5c34 AM |
564 | } |
565 | ||
252b5132 RH |
566 | /* |
567 | FUNCTION | |
568 | bfd_make_debug_symbol | |
569 | ||
570 | DESCRIPTION | |
571 | Create a new <<asymbol>> structure for the BFD @var{abfd}, | |
a0722319 | 572 | to be used as a debugging symbol. |
252b5132 | 573 | |
a0722319 AM |
574 | .#define bfd_make_debug_symbol(abfd) \ |
575 | . BFD_SEND (abfd, _bfd_make_debug_symbol, (abfd)) | |
b5f79c76 | 576 | . |
252b5132 RH |
577 | */ |
578 | ||
579 | struct section_to_type | |
580 | { | |
dc810e39 | 581 | const char *section; |
252b5132 RH |
582 | char type; |
583 | }; | |
584 | ||
49d9fd42 | 585 | /* Map special section names to POSIX/BSD single-character symbol types. |
252b5132 RH |
586 | This table is probably incomplete. It is sorted for convenience of |
587 | adding entries. Since it is so short, a linear search is used. */ | |
dc810e39 | 588 | static const struct section_to_type stt[] = |
252b5132 | 589 | { |
07d6d2b8 AM |
590 | {".drectve", 'i'}, /* MSVC's .drective section */ |
591 | {".edata", 'e'}, /* MSVC's .edata (export) section */ | |
07d6d2b8 | 592 | {".idata", 'i'}, /* MSVC's .idata (import) section */ |
07d6d2b8 | 593 | {".pdata", 'p'}, /* MSVC's .pdata (stack unwind) section */ |
252b5132 RH |
594 | {0, 0} |
595 | }; | |
596 | ||
597 | /* Return the single-character symbol type corresponding to | |
7b82c249 | 598 | section S, or '?' for an unknown COFF section. |
252b5132 | 599 | |
a288c270 | 600 | Check for leading strings which match, followed by a number, '.', |
49d9fd42 | 601 | or '$' so .idata5 matches the .idata entry. */ |
252b5132 RH |
602 | |
603 | static char | |
c58b9523 | 604 | coff_section_type (const char *s) |
252b5132 | 605 | { |
dc810e39 | 606 | const struct section_to_type *t; |
252b5132 | 607 | |
7b82c249 | 608 | for (t = &stt[0]; t->section; t++) |
a288c270 AM |
609 | { |
610 | size_t len = strlen (t->section); | |
611 | if (strncmp (s, t->section, len) == 0 | |
612 | && memchr (".$0123456789", s[len], 13) != 0) | |
613 | return t->type; | |
614 | } | |
252b5132 RH |
615 | |
616 | return '?'; | |
617 | } | |
618 | ||
b3212001 JW |
619 | /* Return the single-character symbol type corresponding to section |
620 | SECTION, or '?' for an unknown section. This uses section flags to | |
621 | identify sections. | |
622 | ||
49d9fd42 | 623 | FIXME These types are unhandled: e, i, p. If we handled these also, |
b3212001 JW |
624 | we could perhaps obsolete coff_section_type. */ |
625 | ||
626 | static char | |
198beae2 | 627 | decode_section_type (const struct bfd_section *section) |
b3212001 JW |
628 | { |
629 | if (section->flags & SEC_CODE) | |
630 | return 't'; | |
631 | if (section->flags & SEC_DATA) | |
632 | { | |
633 | if (section->flags & SEC_READONLY) | |
634 | return 'r'; | |
635 | else if (section->flags & SEC_SMALL_DATA) | |
636 | return 'g'; | |
637 | else | |
638 | return 'd'; | |
639 | } | |
640 | if ((section->flags & SEC_HAS_CONTENTS) == 0) | |
641 | { | |
642 | if (section->flags & SEC_SMALL_DATA) | |
643 | return 's'; | |
644 | else | |
645 | return 'b'; | |
646 | } | |
647 | if (section->flags & SEC_DEBUGGING) | |
648 | return 'N'; | |
c58b9523 | 649 | if ((section->flags & SEC_HAS_CONTENTS) && (section->flags & SEC_READONLY)) |
a3b6428f | 650 | return 'n'; |
b3212001 JW |
651 | |
652 | return '?'; | |
653 | } | |
654 | ||
252b5132 RH |
655 | /* |
656 | FUNCTION | |
657 | bfd_decode_symclass | |
658 | ||
b8e81f19 TT |
659 | SYNOPSIS |
660 | int bfd_decode_symclass (asymbol *symbol); | |
661 | ||
252b5132 RH |
662 | DESCRIPTION |
663 | Return a character corresponding to the symbol | |
664 | class of @var{symbol}, or '?' for an unknown class. | |
252b5132 RH |
665 | */ |
666 | int | |
c58b9523 | 667 | bfd_decode_symclass (asymbol *symbol) |
252b5132 RH |
668 | { |
669 | char c; | |
670 | ||
09e40e44 NC |
671 | /* Paranoia... */ |
672 | if (symbol == NULL || symbol->section == NULL) | |
673 | return '?'; | |
674 | ||
c82a7c57 | 675 | if (symbol->section && bfd_is_com_section (symbol->section)) |
49d9fd42 | 676 | { |
4d182367 | 677 | if (symbol->section->flags & SEC_SMALL_DATA) |
49d9fd42 | 678 | return 'c'; |
4d182367 AM |
679 | else |
680 | return 'C'; | |
49d9fd42 | 681 | } |
252b5132 | 682 | if (bfd_is_und_section (symbol->section)) |
92962560 ILT |
683 | { |
684 | if (symbol->flags & BSF_WEAK) | |
fad6fcbb NC |
685 | { |
686 | /* If weak, determine if it's specifically an object | |
687 | or non-object weak. */ | |
688 | if (symbol->flags & BSF_OBJECT) | |
689 | return 'v'; | |
690 | else | |
691 | return 'w'; | |
692 | } | |
92962560 ILT |
693 | else |
694 | return 'U'; | |
695 | } | |
252b5132 RH |
696 | if (bfd_is_ind_section (symbol->section)) |
697 | return 'I'; | |
d8045f23 NC |
698 | if (symbol->flags & BSF_GNU_INDIRECT_FUNCTION) |
699 | return 'i'; | |
252b5132 | 700 | if (symbol->flags & BSF_WEAK) |
fad6fcbb NC |
701 | { |
702 | /* If weak, determine if it's specifically an object | |
703 | or non-object weak. */ | |
704 | if (symbol->flags & BSF_OBJECT) | |
705 | return 'V'; | |
706 | else | |
707 | return 'W'; | |
708 | } | |
3e7a7d11 NC |
709 | if (symbol->flags & BSF_GNU_UNIQUE) |
710 | return 'u'; | |
252b5132 RH |
711 | if (!(symbol->flags & (BSF_GLOBAL | BSF_LOCAL))) |
712 | return '?'; | |
713 | ||
714 | if (bfd_is_abs_section (symbol->section)) | |
715 | c = 'a'; | |
716 | else if (symbol->section) | |
b3212001 | 717 | { |
49d9fd42 | 718 | c = coff_section_type (symbol->section->name); |
b3212001 | 719 | if (c == '?') |
49d9fd42 | 720 | c = decode_section_type (symbol->section); |
b3212001 | 721 | } |
252b5132 RH |
722 | else |
723 | return '?'; | |
724 | if (symbol->flags & BSF_GLOBAL) | |
3882b010 | 725 | c = TOUPPER (c); |
252b5132 RH |
726 | return c; |
727 | ||
728 | /* We don't have to handle these cases just yet, but we will soon: | |
729 | N_SETV: 'v'; | |
730 | N_SETA: 'l'; | |
731 | N_SETT: 'x'; | |
732 | N_SETD: 'z'; | |
733 | N_SETB: 's'; | |
734 | N_INDR: 'i'; | |
735 | */ | |
736 | } | |
737 | ||
fad6fcbb NC |
738 | /* |
739 | FUNCTION | |
7b82c249 | 740 | bfd_is_undefined_symclass |
fad6fcbb | 741 | |
b8e81f19 TT |
742 | SYNOPSIS |
743 | bool bfd_is_undefined_symclass (int symclass); | |
744 | ||
fad6fcbb NC |
745 | DESCRIPTION |
746 | Returns non-zero if the class symbol returned by | |
747 | bfd_decode_symclass represents an undefined symbol. | |
748 | Returns zero otherwise. | |
fad6fcbb NC |
749 | */ |
750 | ||
0a1b45a2 | 751 | bool |
c58b9523 | 752 | bfd_is_undefined_symclass (int symclass) |
fad6fcbb | 753 | { |
b34976b6 | 754 | return symclass == 'U' || symclass == 'w' || symclass == 'v'; |
fad6fcbb NC |
755 | } |
756 | ||
252b5132 RH |
757 | /* |
758 | FUNCTION | |
759 | bfd_symbol_info | |
760 | ||
b8e81f19 TT |
761 | SYNOPSIS |
762 | void bfd_symbol_info (asymbol *symbol, symbol_info *ret); | |
763 | ||
252b5132 RH |
764 | DESCRIPTION |
765 | Fill in the basic info about symbol that nm needs. | |
766 | Additional info may be added by the back-ends after | |
767 | calling this function. | |
252b5132 RH |
768 | */ |
769 | ||
770 | void | |
c58b9523 | 771 | bfd_symbol_info (asymbol *symbol, symbol_info *ret) |
252b5132 RH |
772 | { |
773 | ret->type = bfd_decode_symclass (symbol); | |
7b82c249 | 774 | |
fad6fcbb | 775 | if (bfd_is_undefined_symclass (ret->type)) |
252b5132 | 776 | ret->value = 0; |
fad6fcbb NC |
777 | else |
778 | ret->value = symbol->value + symbol->section->vma; | |
7b82c249 | 779 | |
252b5132 RH |
780 | ret->name = symbol->name; |
781 | } | |
782 | ||
783 | /* | |
784 | FUNCTION | |
785 | bfd_copy_private_symbol_data | |
786 | ||
787 | SYNOPSIS | |
0a1b45a2 | 788 | bool bfd_copy_private_symbol_data |
c58b9523 | 789 | (bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym); |
252b5132 RH |
790 | |
791 | DESCRIPTION | |
792 | Copy private symbol information from @var{isym} in the BFD | |
793 | @var{ibfd} to the symbol @var{osym} in the BFD @var{obfd}. | |
b34976b6 | 794 | Return <<TRUE>> on success, <<FALSE>> on error. Possible error |
252b5132 RH |
795 | returns are: |
796 | ||
797 | o <<bfd_error_no_memory>> - | |
798 | Not enough memory exists to create private data for @var{osec}. | |
799 | ||
800 | .#define bfd_copy_private_symbol_data(ibfd, isymbol, obfd, osymbol) \ | |
07d6d2b8 AM |
801 | . BFD_SEND (obfd, _bfd_copy_private_symbol_data, \ |
802 | . (ibfd, isymbol, obfd, osymbol)) | |
b5f79c76 | 803 | . |
252b5132 RH |
804 | */ |
805 | ||
806 | /* The generic version of the function which returns mini symbols. | |
807 | This is used when the backend does not provide a more efficient | |
808 | version. It just uses BFD asymbol structures as mini symbols. */ | |
809 | ||
810 | long | |
c58b9523 | 811 | _bfd_generic_read_minisymbols (bfd *abfd, |
0a1b45a2 | 812 | bool dynamic, |
c58b9523 AM |
813 | void **minisymsp, |
814 | unsigned int *sizep) | |
252b5132 RH |
815 | { |
816 | long storage; | |
817 | asymbol **syms = NULL; | |
818 | long symcount; | |
819 | ||
820 | if (dynamic) | |
821 | storage = bfd_get_dynamic_symtab_upper_bound (abfd); | |
822 | else | |
823 | storage = bfd_get_symtab_upper_bound (abfd); | |
824 | if (storage < 0) | |
825 | goto error_return; | |
ce9c7f50 RH |
826 | if (storage == 0) |
827 | return 0; | |
252b5132 | 828 | |
a50b1753 | 829 | syms = (asymbol **) bfd_malloc (storage); |
252b5132 RH |
830 | if (syms == NULL) |
831 | goto error_return; | |
832 | ||
833 | if (dynamic) | |
834 | symcount = bfd_canonicalize_dynamic_symtab (abfd, syms); | |
835 | else | |
836 | symcount = bfd_canonicalize_symtab (abfd, syms); | |
837 | if (symcount < 0) | |
838 | goto error_return; | |
839 | ||
c2f5dc30 AM |
840 | if (symcount == 0) |
841 | /* We return 0 above when storage is 0. Exit in the same state | |
842 | here, so as to not complicate callers with having to deal with | |
843 | freeing memory for zero symcount. */ | |
844 | free (syms); | |
845 | else | |
846 | { | |
847 | *minisymsp = syms; | |
848 | *sizep = sizeof (asymbol *); | |
849 | } | |
252b5132 RH |
850 | return symcount; |
851 | ||
852 | error_return: | |
0ab72ee2 | 853 | bfd_set_error (bfd_error_no_symbols); |
c9594989 | 854 | free (syms); |
252b5132 RH |
855 | return -1; |
856 | } | |
857 | ||
858 | /* The generic version of the function which converts a minisymbol to | |
859 | an asymbol. We don't worry about the sym argument we are passed; | |
860 | we just return the asymbol the minisymbol points to. */ | |
861 | ||
252b5132 | 862 | asymbol * |
c58b9523 | 863 | _bfd_generic_minisymbol_to_symbol (bfd *abfd ATTRIBUTE_UNUSED, |
0a1b45a2 | 864 | bool dynamic ATTRIBUTE_UNUSED, |
c58b9523 AM |
865 | const void *minisym, |
866 | asymbol *sym ATTRIBUTE_UNUSED) | |
252b5132 RH |
867 | { |
868 | return *(asymbol **) minisym; | |
869 | } | |
870 | ||
871 | /* Look through stabs debugging information in .stab and .stabstr | |
872 | sections to find the source file and line closest to a desired | |
873 | location. This is used by COFF and ELF targets. It sets *pfound | |
b34976b6 | 874 | to TRUE if it finds some information. The *pinfo field is used to |
252b5132 RH |
875 | pass cached information in and out of this routine; this first time |
876 | the routine is called for a BFD, *pinfo should be NULL. The value | |
877 | placed in *pinfo should be saved with the BFD, and passed back each | |
878 | time this function is called. */ | |
879 | ||
880 | /* We use a cache by default. */ | |
881 | ||
882 | #define ENABLE_CACHING | |
883 | ||
884 | /* We keep an array of indexentry structures to record where in the | |
885 | stabs section we should look to find line number information for a | |
886 | particular address. */ | |
887 | ||
888 | struct indexentry | |
889 | { | |
890 | bfd_vma val; | |
891 | bfd_byte *stab; | |
892 | bfd_byte *str; | |
893 | char *directory_name; | |
894 | char *file_name; | |
895 | char *function_name; | |
47f6ff2f | 896 | int idx; |
252b5132 RH |
897 | }; |
898 | ||
899 | /* Compare two indexentry structures. This is called via qsort. */ | |
900 | ||
901 | static int | |
c58b9523 | 902 | cmpindexentry (const void *a, const void *b) |
252b5132 | 903 | { |
a50b1753 NC |
904 | const struct indexentry *contestantA = (const struct indexentry *) a; |
905 | const struct indexentry *contestantB = (const struct indexentry *) b; | |
252b5132 RH |
906 | |
907 | if (contestantA->val < contestantB->val) | |
908 | return -1; | |
47f6ff2f | 909 | if (contestantA->val > contestantB->val) |
252b5132 | 910 | return 1; |
47f6ff2f | 911 | return contestantA->idx - contestantB->idx; |
252b5132 RH |
912 | } |
913 | ||
914 | /* A pointer to this structure is stored in *pinfo. */ | |
915 | ||
916 | struct stab_find_info | |
917 | { | |
918 | /* The .stab section. */ | |
919 | asection *stabsec; | |
920 | /* The .stabstr section. */ | |
921 | asection *strsec; | |
922 | /* The contents of the .stab section. */ | |
923 | bfd_byte *stabs; | |
924 | /* The contents of the .stabstr section. */ | |
925 | bfd_byte *strs; | |
926 | ||
927 | /* A table that indexes stabs by memory address. */ | |
928 | struct indexentry *indextable; | |
929 | /* The number of entries in indextable. */ | |
930 | int indextablesize; | |
931 | ||
932 | #ifdef ENABLE_CACHING | |
933 | /* Cached values to restart quickly. */ | |
934 | struct indexentry *cached_indexentry; | |
935 | bfd_vma cached_offset; | |
936 | bfd_byte *cached_stab; | |
937 | char *cached_file_name; | |
938 | #endif | |
939 | ||
940 | /* Saved ptr to malloc'ed filename. */ | |
941 | char *filename; | |
942 | }; | |
943 | ||
0a1b45a2 | 944 | bool |
c58b9523 AM |
945 | _bfd_stab_section_find_nearest_line (bfd *abfd, |
946 | asymbol **symbols, | |
947 | asection *section, | |
948 | bfd_vma offset, | |
0a1b45a2 | 949 | bool *pfound, |
c58b9523 AM |
950 | const char **pfilename, |
951 | const char **pfnname, | |
952 | unsigned int *pline, | |
953 | void **pinfo) | |
252b5132 RH |
954 | { |
955 | struct stab_find_info *info; | |
956 | bfd_size_type stabsize, strsize; | |
7442e600 | 957 | bfd_byte *stab, *str; |
8a865bcb | 958 | bfd_byte *nul_fun, *nul_str; |
252b5132 RH |
959 | bfd_size_type stroff; |
960 | struct indexentry *indexentry; | |
dc810e39 AM |
961 | char *file_name; |
962 | char *directory_name; | |
0a1b45a2 | 963 | bool saw_line, saw_func; |
252b5132 | 964 | |
0a1b45a2 | 965 | *pfound = false; |
252b5132 RH |
966 | *pfilename = bfd_get_filename (abfd); |
967 | *pfnname = NULL; | |
968 | *pline = 0; | |
969 | ||
970 | /* Stabs entries use a 12 byte format: | |
971 | 4 byte string table index | |
972 | 1 byte stab type | |
973 | 1 byte stab other field | |
974 | 2 byte stab desc field | |
975 | 4 byte stab value | |
976 | FIXME: This will have to change for a 64 bit object format. | |
977 | ||
978 | The stabs symbols are divided into compilation units. For the | |
979 | first entry in each unit, the type of 0, the value is the length | |
980 | of the string table for this unit, and the desc field is the | |
981 | number of stabs symbols for this unit. */ | |
982 | ||
983 | #define STRDXOFF (0) | |
984 | #define TYPEOFF (4) | |
985 | #define OTHEROFF (5) | |
986 | #define DESCOFF (6) | |
987 | #define VALOFF (8) | |
988 | #define STABSIZE (12) | |
989 | ||
a50b1753 | 990 | info = (struct stab_find_info *) *pinfo; |
252b5132 RH |
991 | if (info != NULL) |
992 | { | |
993 | if (info->stabsec == NULL || info->strsec == NULL) | |
994 | { | |
f3bc6035 | 995 | /* No usable stabs debugging information. */ |
0a1b45a2 | 996 | return true; |
252b5132 RH |
997 | } |
998 | ||
eea6121a AM |
999 | stabsize = (info->stabsec->rawsize |
1000 | ? info->stabsec->rawsize | |
1001 | : info->stabsec->size); | |
1002 | strsize = (info->strsec->rawsize | |
1003 | ? info->strsec->rawsize | |
1004 | : info->strsec->size); | |
252b5132 RH |
1005 | } |
1006 | else | |
1007 | { | |
1008 | long reloc_size, reloc_count; | |
1009 | arelent **reloc_vector; | |
1010 | int i; | |
252b5132 | 1011 | char *function_name; |
dc810e39 | 1012 | bfd_size_type amt = sizeof *info; |
252b5132 | 1013 | |
a50b1753 | 1014 | info = (struct stab_find_info *) bfd_zalloc (abfd, amt); |
252b5132 | 1015 | if (info == NULL) |
0a1b45a2 | 1016 | return false; |
f3bc6035 | 1017 | *pinfo = info; |
252b5132 RH |
1018 | |
1019 | /* FIXME: When using the linker --split-by-file or | |
1020 | --split-by-reloc options, it is possible for the .stab and | |
1021 | .stabstr sections to be split. We should handle that. */ | |
1022 | ||
1023 | info->stabsec = bfd_get_section_by_name (abfd, ".stab"); | |
1024 | info->strsec = bfd_get_section_by_name (abfd, ".stabstr"); | |
1025 | ||
1026 | if (info->stabsec == NULL || info->strsec == NULL) | |
1027 | { | |
6119d252 NC |
1028 | /* Try SOM section names. */ |
1029 | info->stabsec = bfd_get_section_by_name (abfd, "$GDB_SYMBOLS$"); | |
1030 | info->strsec = bfd_get_section_by_name (abfd, "$GDB_STRINGS$"); | |
68ffbac6 | 1031 | |
6119d252 | 1032 | if (info->stabsec == NULL || info->strsec == NULL) |
f3bc6035 | 1033 | return true; |
252b5132 RH |
1034 | } |
1035 | ||
011a1361 AM |
1036 | if ((info->stabsec->flags & SEC_HAS_CONTENTS) == 0 |
1037 | || (info->strsec->flags & SEC_HAS_CONTENTS) == 0) | |
1038 | goto out; | |
1039 | ||
eea6121a AM |
1040 | stabsize = (info->stabsec->rawsize |
1041 | ? info->stabsec->rawsize | |
1042 | : info->stabsec->size); | |
8a865bcb | 1043 | stabsize = (stabsize / STABSIZE) * STABSIZE; |
eea6121a AM |
1044 | strsize = (info->strsec->rawsize |
1045 | ? info->strsec->rawsize | |
1046 | : info->strsec->size); | |
252b5132 | 1047 | |
8e4a500a AM |
1048 | if (stabsize == 0 || strsize == 0) |
1049 | goto out; | |
1050 | ||
f3bc6035 AM |
1051 | if (!bfd_malloc_and_get_section (abfd, info->stabsec, &info->stabs)) |
1052 | goto out; | |
1053 | if (!bfd_malloc_and_get_section (abfd, info->strsec, &info->strs)) | |
1054 | goto out1; | |
252b5132 | 1055 | |
30838132 AM |
1056 | /* Stab strings ought to be nul terminated. Ensure the last one |
1057 | is, to prevent running off the end of the buffer. */ | |
1058 | info->strs[strsize - 1] = 0; | |
1059 | ||
1049f94e | 1060 | /* If this is a relocatable object file, we have to relocate |
252b5132 RH |
1061 | the entries in .stab. This should always be simple 32 bit |
1062 | relocations against symbols defined in this object file, so | |
1063 | this should be no big deal. */ | |
1064 | reloc_size = bfd_get_reloc_upper_bound (abfd, info->stabsec); | |
1065 | if (reloc_size < 0) | |
f3bc6035 | 1066 | goto out2; |
a50b1753 | 1067 | reloc_vector = (arelent **) bfd_malloc (reloc_size); |
252b5132 | 1068 | if (reloc_vector == NULL && reloc_size != 0) |
f3bc6035 | 1069 | goto out2; |
252b5132 RH |
1070 | reloc_count = bfd_canonicalize_reloc (abfd, info->stabsec, reloc_vector, |
1071 | symbols); | |
1072 | if (reloc_count < 0) | |
1073 | { | |
f3bc6035 | 1074 | out3: |
c9594989 | 1075 | free (reloc_vector); |
f3bc6035 AM |
1076 | out2: |
1077 | free (info->strs); | |
1078 | info->strs = NULL; | |
1079 | out1: | |
1080 | free (info->stabs); | |
1081 | info->stabs = NULL; | |
1082 | out: | |
1083 | info->stabsec = NULL; | |
0a1b45a2 | 1084 | return false; |
252b5132 RH |
1085 | } |
1086 | if (reloc_count > 0) | |
1087 | { | |
1088 | arelent **pr; | |
1089 | ||
1090 | for (pr = reloc_vector; *pr != NULL; pr++) | |
1091 | { | |
1092 | arelent *r; | |
1093 | unsigned long val; | |
1094 | asymbol *sym; | |
bb294208 | 1095 | bfd_size_type octets; |
252b5132 RH |
1096 | |
1097 | r = *pr; | |
7785be14 AM |
1098 | /* Ignore R_*_NONE relocs. */ |
1099 | if (r->howto->dst_mask == 0) | |
1100 | continue; | |
1101 | ||
bb294208 | 1102 | octets = r->address * bfd_octets_per_byte (abfd, NULL); |
252b5132 | 1103 | if (r->howto->rightshift != 0 |
57698478 | 1104 | || bfd_get_reloc_size (r->howto) != 4 |
252b5132 RH |
1105 | || r->howto->bitsize != 32 |
1106 | || r->howto->pc_relative | |
1107 | || r->howto->bitpos != 0 | |
30838132 | 1108 | || r->howto->dst_mask != 0xffffffff |
0bbd2b1a | 1109 | || octets > stabsize - 4) |
252b5132 | 1110 | { |
4eca0228 | 1111 | _bfd_error_handler |
6e05870c | 1112 | (_("unsupported .stab relocation")); |
252b5132 | 1113 | bfd_set_error (bfd_error_invalid_operation); |
f3bc6035 | 1114 | goto out3; |
252b5132 RH |
1115 | } |
1116 | ||
bb294208 | 1117 | val = bfd_get_32 (abfd, info->stabs + octets); |
252b5132 RH |
1118 | val &= r->howto->src_mask; |
1119 | sym = *r->sym_ptr_ptr; | |
1120 | val += sym->value + sym->section->vma + r->addend; | |
bb294208 | 1121 | bfd_put_32 (abfd, (bfd_vma) val, info->stabs + octets); |
252b5132 RH |
1122 | } |
1123 | } | |
1124 | ||
c9594989 | 1125 | free (reloc_vector); |
252b5132 RH |
1126 | |
1127 | /* First time through this function, build a table matching | |
1128 | function VM addresses to stabs, then sort based on starting | |
1129 | VM address. Do this in two passes: once to count how many | |
1130 | table entries we'll need, and a second to actually build the | |
1131 | table. */ | |
1132 | ||
1133 | info->indextablesize = 0; | |
8a865bcb | 1134 | nul_fun = NULL; |
252b5132 RH |
1135 | for (stab = info->stabs; stab < info->stabs + stabsize; stab += STABSIZE) |
1136 | { | |
d45913a0 | 1137 | if (stab[TYPEOFF] == (bfd_byte) N_SO) |
252b5132 | 1138 | { |
7b82c249 | 1139 | /* if we did not see a function def, leave space for one. */ |
8a865bcb | 1140 | if (nul_fun != NULL) |
252b5132 RH |
1141 | ++info->indextablesize; |
1142 | ||
8a865bcb AM |
1143 | /* N_SO with null name indicates EOF */ |
1144 | if (bfd_get_32 (abfd, stab + STRDXOFF) == 0) | |
1145 | nul_fun = NULL; | |
1146 | else | |
252b5132 | 1147 | { |
8a865bcb AM |
1148 | nul_fun = stab; |
1149 | ||
1150 | /* two N_SO's in a row is a filename and directory. Skip */ | |
1151 | if (stab + STABSIZE + TYPEOFF < info->stabs + stabsize | |
1152 | && *(stab + STABSIZE + TYPEOFF) == (bfd_byte) N_SO) | |
1153 | stab += STABSIZE; | |
252b5132 RH |
1154 | } |
1155 | } | |
8a865bcb AM |
1156 | else if (stab[TYPEOFF] == (bfd_byte) N_FUN |
1157 | && bfd_get_32 (abfd, stab + STRDXOFF) != 0) | |
252b5132 | 1158 | { |
8a865bcb | 1159 | nul_fun = NULL; |
252b5132 RH |
1160 | ++info->indextablesize; |
1161 | } | |
1162 | } | |
1163 | ||
8a865bcb | 1164 | if (nul_fun != NULL) |
252b5132 | 1165 | ++info->indextablesize; |
7b82c249 | 1166 | |
252b5132 | 1167 | if (info->indextablesize == 0) |
f3bc6035 AM |
1168 | { |
1169 | free (info->strs); | |
1170 | info->strs = NULL; | |
1171 | free (info->stabs); | |
1172 | info->stabs = NULL; | |
1173 | info->stabsec = NULL; | |
1174 | return true; | |
1175 | } | |
252b5132 RH |
1176 | ++info->indextablesize; |
1177 | ||
dc810e39 AM |
1178 | amt = info->indextablesize; |
1179 | amt *= sizeof (struct indexentry); | |
f3bc6035 | 1180 | info->indextable = (struct indexentry *) bfd_malloc (amt); |
252b5132 | 1181 | if (info->indextable == NULL) |
f3bc6035 | 1182 | goto out3; |
252b5132 RH |
1183 | |
1184 | file_name = NULL; | |
1185 | directory_name = NULL; | |
8a865bcb | 1186 | nul_fun = NULL; |
fa549f3b | 1187 | stroff = 0; |
252b5132 | 1188 | |
8a865bcb | 1189 | for (i = 0, stab = info->stabs, nul_str = str = info->strs; |
252b5132 RH |
1190 | i < info->indextablesize && stab < info->stabs + stabsize; |
1191 | stab += STABSIZE) | |
1192 | { | |
1193 | switch (stab[TYPEOFF]) | |
1194 | { | |
1195 | case 0: | |
1196 | /* This is the first entry in a compilation unit. */ | |
1197 | if ((bfd_size_type) ((info->strs + strsize) - str) < stroff) | |
1198 | break; | |
1199 | str += stroff; | |
1200 | stroff = bfd_get_32 (abfd, stab + VALOFF); | |
1201 | break; | |
1202 | ||
1203 | case N_SO: | |
1204 | /* The main file name. */ | |
1205 | ||
1206 | /* The following code creates a new indextable entry with | |
07d6d2b8 AM |
1207 | a NULL function name if there were no N_FUNs in a file. |
1208 | Note that a N_SO without a file name is an EOF and | |
1209 | there could be 2 N_SO following it with the new filename | |
1210 | and directory. */ | |
8a865bcb | 1211 | if (nul_fun != NULL) |
252b5132 | 1212 | { |
8a865bcb AM |
1213 | info->indextable[i].val = bfd_get_32 (abfd, nul_fun + VALOFF); |
1214 | info->indextable[i].stab = nul_fun; | |
1215 | info->indextable[i].str = nul_str; | |
252b5132 RH |
1216 | info->indextable[i].directory_name = directory_name; |
1217 | info->indextable[i].file_name = file_name; | |
1218 | info->indextable[i].function_name = NULL; | |
47f6ff2f | 1219 | info->indextable[i].idx = i; |
252b5132 RH |
1220 | ++i; |
1221 | } | |
7b82c249 | 1222 | |
8a865bcb | 1223 | directory_name = NULL; |
252b5132 | 1224 | file_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF); |
8a865bcb | 1225 | if (file_name == (char *) str) |
252b5132 | 1226 | { |
252b5132 | 1227 | file_name = NULL; |
8a865bcb | 1228 | nul_fun = NULL; |
252b5132 | 1229 | } |
7442e600 ILT |
1230 | else |
1231 | { | |
8a865bcb AM |
1232 | nul_fun = stab; |
1233 | nul_str = str; | |
30838132 AM |
1234 | if (file_name >= (char *) info->strs + strsize |
1235 | || file_name < (char *) str) | |
896ca098 | 1236 | file_name = NULL; |
8a865bcb AM |
1237 | if (stab + STABSIZE + TYPEOFF < info->stabs + stabsize |
1238 | && *(stab + STABSIZE + TYPEOFF) == (bfd_byte) N_SO) | |
7442e600 ILT |
1239 | { |
1240 | /* Two consecutive N_SOs are a directory and a | |
1241 | file name. */ | |
1242 | stab += STABSIZE; | |
1243 | directory_name = file_name; | |
1244 | file_name = ((char *) str | |
1245 | + bfd_get_32 (abfd, stab + STRDXOFF)); | |
30838132 AM |
1246 | if (file_name >= (char *) info->strs + strsize |
1247 | || file_name < (char *) str) | |
896ca098 | 1248 | file_name = NULL; |
7442e600 ILT |
1249 | } |
1250 | } | |
252b5132 RH |
1251 | break; |
1252 | ||
1253 | case N_SOL: | |
1254 | /* The name of an include file. */ | |
1255 | file_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF); | |
896ca098 | 1256 | /* PR 17512: file: 0c680a1f. */ |
dbb3fbbb | 1257 | /* PR 17512: file: 5da8aec4. */ |
30838132 AM |
1258 | if (file_name >= (char *) info->strs + strsize |
1259 | || file_name < (char *) str) | |
896ca098 | 1260 | file_name = NULL; |
252b5132 RH |
1261 | break; |
1262 | ||
1263 | case N_FUN: | |
1264 | /* A function name. */ | |
8a865bcb AM |
1265 | function_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF); |
1266 | if (function_name == (char *) str) | |
252b5132 | 1267 | continue; |
30838132 AM |
1268 | if (function_name >= (char *) info->strs + strsize |
1269 | || function_name < (char *) str) | |
896ca098 | 1270 | function_name = NULL; |
252b5132 | 1271 | |
8a865bcb | 1272 | nul_fun = NULL; |
252b5132 RH |
1273 | info->indextable[i].val = bfd_get_32 (abfd, stab + VALOFF); |
1274 | info->indextable[i].stab = stab; | |
1275 | info->indextable[i].str = str; | |
1276 | info->indextable[i].directory_name = directory_name; | |
1277 | info->indextable[i].file_name = file_name; | |
1278 | info->indextable[i].function_name = function_name; | |
47f6ff2f | 1279 | info->indextable[i].idx = i; |
252b5132 RH |
1280 | ++i; |
1281 | break; | |
1282 | } | |
1283 | } | |
1284 | ||
8a865bcb | 1285 | if (nul_fun != NULL) |
252b5132 | 1286 | { |
8a865bcb AM |
1287 | info->indextable[i].val = bfd_get_32 (abfd, nul_fun + VALOFF); |
1288 | info->indextable[i].stab = nul_fun; | |
1289 | info->indextable[i].str = nul_str; | |
252b5132 RH |
1290 | info->indextable[i].directory_name = directory_name; |
1291 | info->indextable[i].file_name = file_name; | |
1292 | info->indextable[i].function_name = NULL; | |
47f6ff2f | 1293 | info->indextable[i].idx = i; |
252b5132 RH |
1294 | ++i; |
1295 | } | |
1296 | ||
1297 | info->indextable[i].val = (bfd_vma) -1; | |
1298 | info->indextable[i].stab = info->stabs + stabsize; | |
1299 | info->indextable[i].str = str; | |
1300 | info->indextable[i].directory_name = NULL; | |
1301 | info->indextable[i].file_name = NULL; | |
1302 | info->indextable[i].function_name = NULL; | |
47f6ff2f | 1303 | info->indextable[i].idx = i; |
252b5132 RH |
1304 | ++i; |
1305 | ||
1306 | info->indextablesize = i; | |
dc810e39 AM |
1307 | qsort (info->indextable, (size_t) i, sizeof (struct indexentry), |
1308 | cmpindexentry); | |
252b5132 RH |
1309 | } |
1310 | ||
1311 | /* We are passed a section relative offset. The offsets in the | |
1312 | stabs information are absolute. */ | |
fd361982 | 1313 | offset += bfd_section_vma (section); |
252b5132 RH |
1314 | |
1315 | #ifdef ENABLE_CACHING | |
1316 | if (info->cached_indexentry != NULL | |
1317 | && offset >= info->cached_offset | |
1318 | && offset < (info->cached_indexentry + 1)->val) | |
1319 | { | |
1320 | stab = info->cached_stab; | |
1321 | indexentry = info->cached_indexentry; | |
1322 | file_name = info->cached_file_name; | |
1323 | } | |
1324 | else | |
1325 | #endif | |
1326 | { | |
252b5132 RH |
1327 | long low, high; |
1328 | long mid = -1; | |
1329 | ||
7dee875e | 1330 | /* Cache non-existent or invalid. Do binary search on |
07d6d2b8 | 1331 | indextable. */ |
252b5132 RH |
1332 | indexentry = NULL; |
1333 | ||
1334 | low = 0; | |
1335 | high = info->indextablesize - 1; | |
1336 | while (low != high) | |
1337 | { | |
1338 | mid = (high + low) / 2; | |
1339 | if (offset >= info->indextable[mid].val | |
1340 | && offset < info->indextable[mid + 1].val) | |
1341 | { | |
1342 | indexentry = &info->indextable[mid]; | |
1343 | break; | |
1344 | } | |
1345 | ||
1346 | if (info->indextable[mid].val > offset) | |
1347 | high = mid; | |
1348 | else | |
1349 | low = mid + 1; | |
1350 | } | |
1351 | ||
1352 | if (indexentry == NULL) | |
0a1b45a2 | 1353 | return true; |
252b5132 RH |
1354 | |
1355 | stab = indexentry->stab + STABSIZE; | |
1356 | file_name = indexentry->file_name; | |
1357 | } | |
1358 | ||
1359 | directory_name = indexentry->directory_name; | |
1360 | str = indexentry->str; | |
1361 | ||
0a1b45a2 AM |
1362 | saw_line = false; |
1363 | saw_func = false; | |
252b5132 RH |
1364 | for (; stab < (indexentry+1)->stab; stab += STABSIZE) |
1365 | { | |
0a1b45a2 | 1366 | bool done; |
252b5132 RH |
1367 | bfd_vma val; |
1368 | ||
0a1b45a2 | 1369 | done = false; |
252b5132 RH |
1370 | |
1371 | switch (stab[TYPEOFF]) | |
1372 | { | |
1373 | case N_SOL: | |
1374 | /* The name of an include file. */ | |
1375 | val = bfd_get_32 (abfd, stab + VALOFF); | |
1376 | if (val <= offset) | |
1377 | { | |
1378 | file_name = (char *) str + bfd_get_32 (abfd, stab + STRDXOFF); | |
30838132 AM |
1379 | if (file_name >= (char *) info->strs + strsize |
1380 | || file_name < (char *) str) | |
896ca098 | 1381 | file_name = NULL; |
252b5132 RH |
1382 | *pline = 0; |
1383 | } | |
1384 | break; | |
1385 | ||
1386 | case N_SLINE: | |
1387 | case N_DSLINE: | |
1388 | case N_BSLINE: | |
21efdc8d NC |
1389 | /* A line number. If the function was specified, then the value |
1390 | is relative to the start of the function. Otherwise, the | |
1391 | value is an absolute address. */ | |
1392 | val = ((indexentry->function_name ? indexentry->val : 0) | |
1393 | + bfd_get_32 (abfd, stab + VALOFF)); | |
1ee24f27 DJ |
1394 | /* If this line starts before our desired offset, or if it's |
1395 | the first line we've been able to find, use it. The | |
1396 | !saw_line check works around a bug in GCC 2.95.3, which emits | |
1397 | the first N_SLINE late. */ | |
1398 | if (!saw_line || val <= offset) | |
252b5132 RH |
1399 | { |
1400 | *pline = bfd_get_16 (abfd, stab + DESCOFF); | |
1401 | ||
1402 | #ifdef ENABLE_CACHING | |
1403 | info->cached_stab = stab; | |
1404 | info->cached_offset = val; | |
1405 | info->cached_file_name = file_name; | |
1406 | info->cached_indexentry = indexentry; | |
1407 | #endif | |
1408 | } | |
1409 | if (val > offset) | |
0a1b45a2 AM |
1410 | done = true; |
1411 | saw_line = true; | |
252b5132 RH |
1412 | break; |
1413 | ||
1414 | case N_FUN: | |
1415 | case N_SO: | |
1ee24f27 | 1416 | if (saw_func || saw_line) |
0a1b45a2 AM |
1417 | done = true; |
1418 | saw_func = true; | |
252b5132 RH |
1419 | break; |
1420 | } | |
1421 | ||
1422 | if (done) | |
1423 | break; | |
1424 | } | |
1425 | ||
0a1b45a2 | 1426 | *pfound = true; |
252b5132 | 1427 | |
818c39a3 AM |
1428 | if (file_name == NULL || IS_ABSOLUTE_PATH (file_name) |
1429 | || directory_name == NULL) | |
252b5132 RH |
1430 | *pfilename = file_name; |
1431 | else | |
1432 | { | |
1433 | size_t dirlen; | |
1434 | ||
1435 | dirlen = strlen (directory_name); | |
1436 | if (info->filename == NULL | |
007d6189 KT |
1437 | || filename_ncmp (info->filename, directory_name, dirlen) != 0 |
1438 | || filename_cmp (info->filename + dirlen, file_name) != 0) | |
252b5132 | 1439 | { |
d4c88bbb AM |
1440 | size_t len; |
1441 | ||
13c0e967 AM |
1442 | /* Don't free info->filename here. objdump and other |
1443 | apps keep a copy of a previously returned file name | |
1444 | pointer. */ | |
d4c88bbb | 1445 | len = strlen (file_name) + 1; |
a50b1753 | 1446 | info->filename = (char *) bfd_alloc (abfd, dirlen + len); |
252b5132 | 1447 | if (info->filename == NULL) |
0a1b45a2 | 1448 | return false; |
d4c88bbb AM |
1449 | memcpy (info->filename, directory_name, dirlen); |
1450 | memcpy (info->filename + dirlen, file_name, len); | |
252b5132 RH |
1451 | } |
1452 | ||
1453 | *pfilename = info->filename; | |
1454 | } | |
1455 | ||
1456 | if (indexentry->function_name != NULL) | |
1457 | { | |
1458 | char *s; | |
1459 | ||
1460 | /* This will typically be something like main:F(0,1), so we want | |
07d6d2b8 AM |
1461 | to clobber the colon. It's OK to change the name, since the |
1462 | string is in our own local storage anyhow. */ | |
252b5132 RH |
1463 | s = strchr (indexentry->function_name, ':'); |
1464 | if (s != NULL) | |
1465 | *s = '\0'; | |
1466 | ||
1467 | *pfnname = indexentry->function_name; | |
1468 | } | |
1469 | ||
0a1b45a2 | 1470 | return true; |
252b5132 | 1471 | } |
d00dd7dc | 1472 | |
f3bc6035 AM |
1473 | void |
1474 | _bfd_stab_cleanup (bfd *abfd ATTRIBUTE_UNUSED, void **pinfo) | |
1475 | { | |
1476 | struct stab_find_info *info = (struct stab_find_info *) *pinfo; | |
1477 | if (info == NULL) | |
1478 | return; | |
1479 | ||
1480 | free (info->indextable); | |
1481 | free (info->strs); | |
1482 | free (info->stabs); | |
1483 | } | |
1484 | ||
d00dd7dc AM |
1485 | long |
1486 | _bfd_nosymbols_canonicalize_symtab (bfd *abfd ATTRIBUTE_UNUSED, | |
1487 | asymbol **location ATTRIBUTE_UNUSED) | |
1488 | { | |
1489 | return 0; | |
1490 | } | |
1491 | ||
1492 | void | |
1493 | _bfd_nosymbols_print_symbol (bfd *abfd ATTRIBUTE_UNUSED, | |
1494 | void *afile ATTRIBUTE_UNUSED, | |
1495 | asymbol *symbol ATTRIBUTE_UNUSED, | |
1496 | bfd_print_symbol_type how ATTRIBUTE_UNUSED) | |
1497 | { | |
1498 | } | |
1499 | ||
1500 | void | |
1501 | _bfd_nosymbols_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, | |
1502 | asymbol *sym ATTRIBUTE_UNUSED, | |
1503 | symbol_info *ret ATTRIBUTE_UNUSED) | |
1504 | { | |
1505 | } | |
1506 | ||
1507 | const char * | |
1508 | _bfd_nosymbols_get_symbol_version_string (bfd *abfd, | |
1509 | asymbol *symbol ATTRIBUTE_UNUSED, | |
0a1b45a2 AM |
1510 | bool base_p ATTRIBUTE_UNUSED, |
1511 | bool *hidden ATTRIBUTE_UNUSED) | |
d00dd7dc AM |
1512 | { |
1513 | return (const char *) _bfd_ptr_bfd_null_error (abfd); | |
1514 | } | |
1515 | ||
0a1b45a2 | 1516 | bool |
d00dd7dc AM |
1517 | _bfd_nosymbols_bfd_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, |
1518 | const char *name ATTRIBUTE_UNUSED) | |
1519 | { | |
0a1b45a2 | 1520 | return false; |
d00dd7dc AM |
1521 | } |
1522 | ||
1523 | alent * | |
1524 | _bfd_nosymbols_get_lineno (bfd *abfd, asymbol *sym ATTRIBUTE_UNUSED) | |
1525 | { | |
1526 | return (alent *) _bfd_ptr_bfd_null_error (abfd); | |
1527 | } | |
1528 | ||
0a1b45a2 | 1529 | bool |
d00dd7dc AM |
1530 | _bfd_nosymbols_find_nearest_line |
1531 | (bfd *abfd, | |
1532 | asymbol **symbols ATTRIBUTE_UNUSED, | |
1533 | asection *section ATTRIBUTE_UNUSED, | |
1534 | bfd_vma offset ATTRIBUTE_UNUSED, | |
1535 | const char **filename_ptr ATTRIBUTE_UNUSED, | |
1536 | const char **functionname_ptr ATTRIBUTE_UNUSED, | |
1537 | unsigned int *line_ptr ATTRIBUTE_UNUSED, | |
1538 | unsigned int *discriminator_ptr ATTRIBUTE_UNUSED) | |
1539 | { | |
1540 | return _bfd_bool_bfd_false_error (abfd); | |
1541 | } | |
1542 | ||
6e7a29c7 AM |
1543 | bool |
1544 | _bfd_nosymbols_find_nearest_line_with_alt | |
1545 | (bfd *abfd, | |
1546 | const char *alt_filename ATTRIBUTE_UNUSED, | |
1547 | asymbol **symbols ATTRIBUTE_UNUSED, | |
1548 | asection *section ATTRIBUTE_UNUSED, | |
1549 | bfd_vma offset ATTRIBUTE_UNUSED, | |
1550 | const char **filename_ptr ATTRIBUTE_UNUSED, | |
1551 | const char **functionname_ptr ATTRIBUTE_UNUSED, | |
1552 | unsigned int *line_ptr ATTRIBUTE_UNUSED, | |
1553 | unsigned int *discriminator_ptr ATTRIBUTE_UNUSED) | |
1554 | { | |
1555 | return _bfd_bool_bfd_false_error (abfd); | |
1556 | } | |
1557 | ||
0a1b45a2 | 1558 | bool |
d00dd7dc AM |
1559 | _bfd_nosymbols_find_line (bfd *abfd, |
1560 | asymbol **symbols ATTRIBUTE_UNUSED, | |
1561 | asymbol *symbol ATTRIBUTE_UNUSED, | |
1562 | const char **filename_ptr ATTRIBUTE_UNUSED, | |
1563 | unsigned int *line_ptr ATTRIBUTE_UNUSED) | |
1564 | { | |
1565 | return _bfd_bool_bfd_false_error (abfd); | |
1566 | } | |
1567 | ||
0a1b45a2 | 1568 | bool |
d00dd7dc AM |
1569 | _bfd_nosymbols_find_inliner_info |
1570 | (bfd *abfd, | |
1571 | const char **filename_ptr ATTRIBUTE_UNUSED, | |
1572 | const char **functionname_ptr ATTRIBUTE_UNUSED, | |
1573 | unsigned int *line_ptr ATTRIBUTE_UNUSED) | |
1574 | { | |
1575 | return _bfd_bool_bfd_false_error (abfd); | |
1576 | } | |
1577 | ||
1578 | asymbol * | |
a0722319 | 1579 | _bfd_nosymbols_bfd_make_debug_symbol (bfd *abfd) |
d00dd7dc AM |
1580 | { |
1581 | return (asymbol *) _bfd_ptr_bfd_null_error (abfd); | |
1582 | } | |
1583 | ||
1584 | long | |
1585 | _bfd_nosymbols_read_minisymbols (bfd *abfd, | |
0a1b45a2 | 1586 | bool dynamic ATTRIBUTE_UNUSED, |
d00dd7dc AM |
1587 | void **minisymsp ATTRIBUTE_UNUSED, |
1588 | unsigned int *sizep ATTRIBUTE_UNUSED) | |
1589 | { | |
1590 | return _bfd_long_bfd_n1_error (abfd); | |
1591 | } | |
1592 | ||
1593 | asymbol * | |
1594 | _bfd_nosymbols_minisymbol_to_symbol (bfd *abfd, | |
0a1b45a2 | 1595 | bool dynamic ATTRIBUTE_UNUSED, |
d00dd7dc AM |
1596 | const void *minisym ATTRIBUTE_UNUSED, |
1597 | asymbol *sym ATTRIBUTE_UNUSED) | |
1598 | { | |
1599 | return (asymbol *) _bfd_ptr_bfd_null_error (abfd); | |
1600 | } | |
1601 | ||
1602 | long | |
1603 | _bfd_nodynamic_get_synthetic_symtab (bfd *abfd, | |
1604 | long symcount ATTRIBUTE_UNUSED, | |
1605 | asymbol **syms ATTRIBUTE_UNUSED, | |
1606 | long dynsymcount ATTRIBUTE_UNUSED, | |
1607 | asymbol **dynsyms ATTRIBUTE_UNUSED, | |
1608 | asymbol **ret ATTRIBUTE_UNUSED) | |
1609 | { | |
1610 | return _bfd_long_bfd_n1_error (abfd); | |
1611 | } |