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252b5132 | 1 | /* Support for the generic parts of most COFF variants, for BFD. |
d87bef3a | 2 | Copyright (C) 1990-2023 Free Software Foundation, Inc. |
252b5132 RH |
3 | Written by Cygnus Support. |
4 | ||
ed781d5d | 5 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 6 | |
ed781d5d 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 |
ed781d5d | 10 | (at your option) any later version. |
252b5132 | 11 | |
ed781d5d 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 | |
ed781d5d 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 | 21 | |
7920ce38 NC |
22 | /* Most of this hacked by Steve Chamberlain, |
23 | sac@cygnus.com. */ | |
252b5132 | 24 | /* |
252b5132 RH |
25 | SECTION |
26 | coff backends | |
27 | ||
28 | BFD supports a number of different flavours of coff format. | |
29 | The major differences between formats are the sizes and | |
30 | alignments of fields in structures on disk, and the occasional | |
31 | extra field. | |
32 | ||
33 | Coff in all its varieties is implemented with a few common | |
34 | files and a number of implementation specific files. For | |
c2bf1eec AM |
35 | example, the i386 coff format is implemented in the file |
36 | @file{coff-i386.c}. This file @code{#include}s | |
37 | @file{coff/i386.h} which defines the external structure of the | |
38 | coff format for the i386, and @file{coff/internal.h} which | |
39 | defines the internal structure. @file{coff-i386.c} also | |
40 | defines the relocations used by the i386 coff format | |
252b5132 RH |
41 | @xref{Relocations}. |
42 | ||
252b5132 RH |
43 | SUBSECTION |
44 | Porting to a new version of coff | |
45 | ||
46 | The recommended method is to select from the existing | |
47 | implementations the version of coff which is most like the one | |
48 | you want to use. For example, we'll say that i386 coff is | |
49 | the one you select, and that your coff flavour is called foo. | |
50 | Copy @file{i386coff.c} to @file{foocoff.c}, copy | |
51 | @file{../include/coff/i386.h} to @file{../include/coff/foo.h}, | |
52 | and add the lines to @file{targets.c} and @file{Makefile.in} | |
53 | so that your new back end is used. Alter the shapes of the | |
54 | structures in @file{../include/coff/foo.h} so that they match | |
55 | what you need. You will probably also have to add | |
56 | @code{#ifdef}s to the code in @file{coff/internal.h} and | |
57 | @file{coffcode.h} if your version of coff is too wild. | |
58 | ||
59 | You can verify that your new BFD backend works quite simply by | |
60 | building @file{objdump} from the @file{binutils} directory, | |
61 | and making sure that its version of what's going on and your | |
62 | host system's idea (assuming it has the pretty standard coff | |
63 | dump utility, usually called @code{att-dump} or just | |
64 | @code{dump}) are the same. Then clean up your code, and send | |
65 | what you've done to Cygnus. Then your stuff will be in the | |
66 | next release, and you won't have to keep integrating it. | |
67 | ||
68 | SUBSECTION | |
69 | How the coff backend works | |
70 | ||
71 | SUBSUBSECTION | |
72 | File layout | |
73 | ||
74 | The Coff backend is split into generic routines that are | |
75 | applicable to any Coff target and routines that are specific | |
76 | to a particular target. The target-specific routines are | |
77 | further split into ones which are basically the same for all | |
78 | Coff targets except that they use the external symbol format | |
79 | or use different values for certain constants. | |
80 | ||
81 | The generic routines are in @file{coffgen.c}. These routines | |
82 | work for any Coff target. They use some hooks into the target | |
83 | specific code; the hooks are in a @code{bfd_coff_backend_data} | |
84 | structure, one of which exists for each target. | |
85 | ||
86 | The essentially similar target-specific routines are in | |
87 | @file{coffcode.h}. This header file includes executable C code. | |
88 | The various Coff targets first include the appropriate Coff | |
89 | header file, make any special defines that are needed, and | |
90 | then include @file{coffcode.h}. | |
91 | ||
92 | Some of the Coff targets then also have additional routines in | |
93 | the target source file itself. | |
94 | ||
88183869 DK |
95 | SUBSUBSECTION |
96 | Coff long section names | |
97 | ||
98 | In the standard Coff object format, section names are limited to | |
99 | the eight bytes available in the @code{s_name} field of the | |
100 | @code{SCNHDR} section header structure. The format requires the | |
101 | field to be NUL-padded, but not necessarily NUL-terminated, so | |
102 | the longest section names permitted are a full eight characters. | |
103 | ||
104 | The Microsoft PE variants of the Coff object file format add | |
105 | an extension to support the use of long section names. This | |
68ffbac6 | 106 | extension is defined in section 4 of the Microsoft PE/COFF |
88183869 DK |
107 | specification (rev 8.1). If a section name is too long to fit |
108 | into the section header's @code{s_name} field, it is instead | |
109 | placed into the string table, and the @code{s_name} field is | |
68ffbac6 | 110 | filled with a slash ("/") followed by the ASCII decimal |
88183869 DK |
111 | representation of the offset of the full name relative to the |
112 | string table base. | |
113 | ||
114 | Note that this implies that the extension can only be used in object | |
115 | files, as executables do not contain a string table. The standard | |
116 | specifies that long section names from objects emitted into executable | |
117 | images are to be truncated. | |
118 | ||
119 | However, as a GNU extension, BFD can generate executable images | |
120 | that contain a string table and long section names. This | |
121 | would appear to be technically valid, as the standard only says | |
122 | that Coff debugging information is deprecated, not forbidden, | |
123 | and in practice it works, although some tools that parse PE files | |
124 | expecting the MS standard format may become confused; @file{PEview} is | |
125 | one known example. | |
126 | ||
68ffbac6 | 127 | The functionality is supported in BFD by code implemented under |
88183869 DK |
128 | the control of the macro @code{COFF_LONG_SECTION_NAMES}. If not |
129 | defined, the format does not support long section names in any way. | |
68ffbac6 L |
130 | If defined, it is used to initialise a flag, |
131 | @code{_bfd_coff_long_section_names}, and a hook function pointer, | |
88183869 DK |
132 | @code{_bfd_coff_set_long_section_names}, in the Coff backend data |
133 | structure. The flag controls the generation of long section names | |
134 | in output BFDs at runtime; if it is false, as it will be by default | |
135 | when generating an executable image, long section names are truncated; | |
136 | if true, the long section names extension is employed. The hook | |
22a95e1a AM |
137 | points to a function that allows the value of a copy of the flag |
138 | in coff object tdata to be altered at runtime, on formats that | |
139 | support long section names at all; on other formats it points | |
140 | to a stub that returns an error indication. | |
68ffbac6 | 141 | |
0408dee6 DK |
142 | With input BFDs, the flag is set according to whether any long section |
143 | names are detected while reading the section headers. For a completely | |
144 | new BFD, the flag is set to the default for the target format. This | |
145 | information can be used by a client of the BFD library when deciding | |
146 | what output format to generate, and means that a BFD that is opened | |
147 | for read and subsequently converted to a writeable BFD and modified | |
148 | in-place will retain whatever format it had on input. | |
88183869 DK |
149 | |
150 | If @code{COFF_LONG_SECTION_NAMES} is simply defined (blank), or is | |
151 | defined to the value "1", then long section names are enabled by | |
152 | default; if it is defined to the value zero, they are disabled by | |
153 | default (but still accepted in input BFDs). The header @file{coffcode.h} | |
154 | defines a macro, @code{COFF_DEFAULT_LONG_SECTION_NAMES}, which is | |
155 | used in the backends to initialise the backend data structure fields | |
156 | appropriately; see the comments for further detail. | |
157 | ||
252b5132 RH |
158 | SUBSUBSECTION |
159 | Bit twiddling | |
160 | ||
161 | Each flavour of coff supported in BFD has its own header file | |
162 | describing the external layout of the structures. There is also | |
163 | an internal description of the coff layout, in | |
164 | @file{coff/internal.h}. A major function of the | |
165 | coff backend is swapping the bytes and twiddling the bits to | |
166 | translate the external form of the structures into the normal | |
167 | internal form. This is all performed in the | |
168 | @code{bfd_swap}_@i{thing}_@i{direction} routines. Some | |
169 | elements are different sizes between different versions of | |
170 | coff; it is the duty of the coff version specific include file | |
171 | to override the definitions of various packing routines in | |
172 | @file{coffcode.h}. E.g., the size of line number entry in coff is | |
173 | sometimes 16 bits, and sometimes 32 bits. @code{#define}ing | |
174 | @code{PUT_LNSZ_LNNO} and @code{GET_LNSZ_LNNO} will select the | |
175 | correct one. No doubt, some day someone will find a version of | |
176 | coff which has a varying field size not catered to at the | |
177 | moment. To port BFD, that person will have to add more @code{#defines}. | |
178 | Three of the bit twiddling routines are exported to | |
179 | @code{gdb}; @code{coff_swap_aux_in}, @code{coff_swap_sym_in} | |
00692651 | 180 | and @code{coff_swap_lineno_in}. @code{GDB} reads the symbol |
252b5132 RH |
181 | table on its own, but uses BFD to fix things up. More of the |
182 | bit twiddlers are exported for @code{gas}; | |
183 | @code{coff_swap_aux_out}, @code{coff_swap_sym_out}, | |
184 | @code{coff_swap_lineno_out}, @code{coff_swap_reloc_out}, | |
185 | @code{coff_swap_filehdr_out}, @code{coff_swap_aouthdr_out}, | |
186 | @code{coff_swap_scnhdr_out}. @code{Gas} currently keeps track | |
187 | of all the symbol table and reloc drudgery itself, thereby | |
188 | saving the internal BFD overhead, but uses BFD to swap things | |
189 | on the way out, making cross ports much safer. Doing so also | |
190 | allows BFD (and thus the linker) to use the same header files | |
191 | as @code{gas}, which makes one avenue to disaster disappear. | |
192 | ||
193 | SUBSUBSECTION | |
194 | Symbol reading | |
195 | ||
196 | The simple canonical form for symbols used by BFD is not rich | |
197 | enough to keep all the information available in a coff symbol | |
198 | table. The back end gets around this problem by keeping the original | |
199 | symbol table around, "behind the scenes". | |
200 | ||
201 | When a symbol table is requested (through a call to | |
202 | @code{bfd_canonicalize_symtab}), a request gets through to | |
203 | @code{coff_get_normalized_symtab}. This reads the symbol table from | |
204 | the coff file and swaps all the structures inside into the | |
205 | internal form. It also fixes up all the pointers in the table | |
206 | (represented in the file by offsets from the first symbol in | |
207 | the table) into physical pointers to elements in the new | |
208 | internal table. This involves some work since the meanings of | |
209 | fields change depending upon context: a field that is a | |
210 | pointer to another structure in the symbol table at one moment | |
211 | may be the size in bytes of a structure at the next. Another | |
212 | pass is made over the table. All symbols which mark file names | |
213 | (<<C_FILE>> symbols) are modified so that the internal | |
214 | string points to the value in the auxent (the real filename) | |
215 | rather than the normal text associated with the symbol | |
216 | (@code{".file"}). | |
217 | ||
218 | At this time the symbol names are moved around. Coff stores | |
219 | all symbols less than nine characters long physically | |
220 | within the symbol table; longer strings are kept at the end of | |
46f2f11d | 221 | the file in the string table. This pass moves all strings |
252b5132 RH |
222 | into memory and replaces them with pointers to the strings. |
223 | ||
252b5132 RH |
224 | The symbol table is massaged once again, this time to create |
225 | the canonical table used by the BFD application. Each symbol | |
226 | is inspected in turn, and a decision made (using the | |
227 | @code{sclass} field) about the various flags to set in the | |
228 | @code{asymbol}. @xref{Symbols}. The generated canonical table | |
229 | shares strings with the hidden internal symbol table. | |
230 | ||
231 | Any linenumbers are read from the coff file too, and attached | |
232 | to the symbols which own the functions the linenumbers belong to. | |
233 | ||
234 | SUBSUBSECTION | |
235 | Symbol writing | |
236 | ||
237 | Writing a symbol to a coff file which didn't come from a coff | |
238 | file will lose any debugging information. The @code{asymbol} | |
239 | structure remembers the BFD from which the symbol was taken, and on | |
240 | output the back end makes sure that the same destination target as | |
241 | source target is present. | |
242 | ||
243 | When the symbols have come from a coff file then all the | |
244 | debugging information is preserved. | |
245 | ||
246 | Symbol tables are provided for writing to the back end in a | |
247 | vector of pointers to pointers. This allows applications like | |
248 | the linker to accumulate and output large symbol tables | |
249 | without having to do too much byte copying. | |
250 | ||
251 | This function runs through the provided symbol table and | |
252 | patches each symbol marked as a file place holder | |
253 | (@code{C_FILE}) to point to the next file place holder in the | |
254 | list. It also marks each @code{offset} field in the list with | |
255 | the offset from the first symbol of the current symbol. | |
256 | ||
257 | Another function of this procedure is to turn the canonical | |
258 | value form of BFD into the form used by coff. Internally, BFD | |
259 | expects symbol values to be offsets from a section base; so a | |
260 | symbol physically at 0x120, but in a section starting at | |
261 | 0x100, would have the value 0x20. Coff expects symbols to | |
262 | contain their final value, so symbols have their values | |
263 | changed at this point to reflect their sum with their owning | |
264 | section. This transformation uses the | |
265 | <<output_section>> field of the @code{asymbol}'s | |
266 | @code{asection} @xref{Sections}. | |
267 | ||
268 | o <<coff_mangle_symbols>> | |
269 | ||
270 | This routine runs though the provided symbol table and uses | |
271 | the offsets generated by the previous pass and the pointers | |
272 | generated when the symbol table was read in to create the | |
ed781d5d | 273 | structured hierarchy required by coff. It changes each pointer |
252b5132 RH |
274 | to a symbol into the index into the symbol table of the asymbol. |
275 | ||
276 | o <<coff_write_symbols>> | |
277 | ||
278 | This routine runs through the symbol table and patches up the | |
279 | symbols from their internal form into the coff way, calls the | |
280 | bit twiddlers, and writes out the table to the file. | |
281 | ||
282 | */ | |
283 | ||
284 | /* | |
285 | INTERNAL_DEFINITION | |
286 | coff_symbol_type | |
287 | ||
288 | DESCRIPTION | |
289 | The hidden information for an <<asymbol>> is described in a | |
290 | <<combined_entry_type>>: | |
291 | ||
292 | CODE_FRAGMENT | |
252b5132 RH |
293 | .typedef struct coff_ptr_struct |
294 | .{ | |
dc810e39 | 295 | . {* Remembers the offset from the first symbol in the file for |
695c3228 | 296 | . this symbol. Generated by coff_renumber_symbols. *} |
dc810e39 | 297 | . unsigned int offset; |
252b5132 | 298 | . |
695c3228 AM |
299 | . {* Selects between the elements of the union below. *} |
300 | . unsigned int is_sym : 1; | |
252b5132 | 301 | . |
695c3228 AM |
302 | . {* Selects between the elements of the x_sym.x_tagndx union. If set, |
303 | . p is valid and the field will be renumbered. *} | |
dc810e39 | 304 | . unsigned int fix_tag : 1; |
252b5132 | 305 | . |
695c3228 AM |
306 | . {* Selects between the elements of the x_sym.x_fcnary.x_fcn.x_endndx |
307 | . union. If set, p is valid and the field will be renumbered. *} | |
dc810e39 | 308 | . unsigned int fix_end : 1; |
252b5132 | 309 | . |
695c3228 AM |
310 | . {* Selects between the elements of the x_csect.x_scnlen union. If set, |
311 | . p is valid and the field will be renumbered. *} | |
dc810e39 | 312 | . unsigned int fix_scnlen : 1; |
252b5132 | 313 | . |
695c3228 AM |
314 | . {* If set, u.syment.n_value contains a pointer to a symbol. The final |
315 | . value will be the offset field. Used for XCOFF C_BSTAT symbols. *} | |
316 | . unsigned int fix_value : 1; | |
317 | . | |
318 | . {* If set, u.syment.n_value is an index into the line number entries. | |
319 | . Used for XCOFF C_BINCL/C_EINCL symbols. *} | |
dc810e39 | 320 | . unsigned int fix_line : 1; |
252b5132 | 321 | . |
dc810e39 | 322 | . {* The container for the symbol structure as read and translated |
a5c71af8 | 323 | . from the file. *} |
dc810e39 AM |
324 | . union |
325 | . { | |
326 | . union internal_auxent auxent; | |
327 | . struct internal_syment syment; | |
328 | . } u; | |
a5c71af8 | 329 | . |
e86fc4a5 CC |
330 | . {* An extra pointer which can used by format based on COFF (like XCOFF) |
331 | . to provide extra information to their backend. *} | |
332 | . void *extrap; | |
252b5132 RH |
333 | .} combined_entry_type; |
334 | . | |
252b5132 RH |
335 | .{* Each canonical asymbol really looks like this: *} |
336 | . | |
337 | .typedef struct coff_symbol_struct | |
338 | .{ | |
dc810e39 AM |
339 | . {* The actual symbol which the rest of BFD works with *} |
340 | . asymbol symbol; | |
252b5132 | 341 | . |
dc810e39 AM |
342 | . {* A pointer to the hidden information for this symbol *} |
343 | . combined_entry_type *native; | |
252b5132 | 344 | . |
dc810e39 AM |
345 | . {* A pointer to the linenumber information for this symbol *} |
346 | . struct lineno_cache_entry *lineno; | |
252b5132 | 347 | . |
dc810e39 | 348 | . {* Have the line numbers been relocated yet ? *} |
0a1b45a2 | 349 | . bool done_lineno; |
252b5132 | 350 | .} coff_symbol_type; |
717d4bd6 | 351 | . |
252b5132 RH |
352 | */ |
353 | ||
3d03da9a | 354 | #include "libiberty.h" |
6aadf8a0 | 355 | #include <string.h> |
3d03da9a | 356 | |
252b5132 RH |
357 | #ifdef COFF_WITH_PE |
358 | #include "peicode.h" | |
359 | #else | |
360 | #include "coffswap.h" | |
361 | #endif | |
362 | ||
b5b2699c | 363 | #define STRING_SIZE_SIZE 4 |
252b5132 | 364 | |
8a7140c3 | 365 | #define DOT_DEBUG ".debug" |
a29a8af8 | 366 | #define DOT_ZDEBUG ".zdebug" |
8a7140c3 | 367 | #define GNU_LINKONCE_WI ".gnu.linkonce.wi." |
802d4822 | 368 | #define GNU_LINKONCE_WT ".gnu.linkonce.wt." |
bdeb4032 | 369 | #define DOT_RELOC ".reloc" |
8a7140c3 | 370 | |
f717994f JMG |
371 | #if defined(COFF_WITH_PE) || defined(COFF_GO32_EXE) || defined(COFF_GO32) |
372 | # define COFF_WITH_EXTENDED_RELOC_COUNTER | |
373 | #endif | |
374 | ||
88183869 DK |
375 | #if defined (COFF_LONG_SECTION_NAMES) |
376 | /* Needed to expand the inputs to BLANKOR1TOODD. */ | |
377 | #define COFFLONGSECTIONCATHELPER(x,y) x ## y | |
378 | /* If the input macro Y is blank or '1', return an odd number; if it is | |
379 | '0', return an even number. Result undefined in all other cases. */ | |
07d6d2b8 | 380 | #define BLANKOR1TOODD(y) COFFLONGSECTIONCATHELPER(1,y) |
88183869 DK |
381 | /* Defined to numerical 0 or 1 according to whether generation of long |
382 | section names is disabled or enabled by default. */ | |
383 | #define COFF_ENABLE_LONG_SECTION_NAMES (BLANKOR1TOODD(COFF_LONG_SECTION_NAMES) & 1) | |
384 | /* Where long section names are supported, we allow them to be enabled | |
385 | and disabled at runtime, so select an appropriate hook function for | |
386 | _bfd_coff_set_long_section_names. */ | |
387 | #define COFF_LONG_SECTION_NAMES_SETTER bfd_coff_set_long_section_names_allowed | |
388 | #else /* !defined (COFF_LONG_SECTION_NAMES) */ | |
389 | /* If long section names are not supported, this stub disallows any | |
390 | attempt to enable them at run-time. */ | |
391 | #define COFF_LONG_SECTION_NAMES_SETTER bfd_coff_set_long_section_names_disallowed | |
392 | #endif /* defined (COFF_LONG_SECTION_NAMES) */ | |
393 | ||
394 | /* Define a macro that can be used to initialise both the fields relating | |
395 | to long section names in the backend data struct simultaneously. */ | |
396 | #if COFF_ENABLE_LONG_SECTION_NAMES | |
0a1b45a2 | 397 | #define COFF_DEFAULT_LONG_SECTION_NAMES (true), COFF_LONG_SECTION_NAMES_SETTER |
88183869 | 398 | #else /* !COFF_ENABLE_LONG_SECTION_NAMES */ |
0a1b45a2 | 399 | #define COFF_DEFAULT_LONG_SECTION_NAMES (false), COFF_LONG_SECTION_NAMES_SETTER |
88183869 DK |
400 | #endif /* COFF_ENABLE_LONG_SECTION_NAMES */ |
401 | ||
5d54c628 | 402 | static enum coff_symbol_classification coff_classify_symbol |
7920ce38 | 403 | (bfd *, struct internal_syment *); |
252b5132 RH |
404 | \f |
405 | /* void warning(); */ | |
406 | ||
88183869 | 407 | #if defined (COFF_LONG_SECTION_NAMES) |
0a1b45a2 | 408 | static bool |
88183869 DK |
409 | bfd_coff_set_long_section_names_allowed (bfd *abfd, int enable) |
410 | { | |
22a95e1a | 411 | bfd_coff_long_section_names (abfd) = enable; |
0a1b45a2 | 412 | return true; |
88183869 DK |
413 | } |
414 | #else /* !defined (COFF_LONG_SECTION_NAMES) */ | |
0a1b45a2 | 415 | static bool |
22a95e1a AM |
416 | bfd_coff_set_long_section_names_disallowed (bfd *abfd ATTRIBUTE_UNUSED, |
417 | int enable ATTRIBUTE_UNUSED) | |
88183869 | 418 | { |
0a1b45a2 | 419 | return false; |
88183869 DK |
420 | } |
421 | #endif /* defined (COFF_LONG_SECTION_NAMES) */ | |
422 | ||
41733515 ILT |
423 | /* Return a word with STYP_* (scnhdr.s_flags) flags set to represent |
424 | the incoming SEC_* flags. The inverse of this function is | |
425 | styp_to_sec_flags(). NOTE: If you add to/change this routine, you | |
426 | should probably mirror the changes in styp_to_sec_flags(). */ | |
427 | ||
428 | #ifndef COFF_WITH_PE | |
429 | ||
51db3708 | 430 | /* Macros for setting debugging flags. */ |
7920ce38 | 431 | |
51db3708 NC |
432 | #ifdef STYP_DEBUG |
433 | #define STYP_XCOFF_DEBUG STYP_DEBUG | |
434 | #else | |
435 | #define STYP_XCOFF_DEBUG STYP_INFO | |
436 | #endif | |
437 | ||
438 | #ifdef COFF_ALIGN_IN_S_FLAGS | |
439 | #define STYP_DEBUG_INFO STYP_DSECT | |
440 | #else | |
441 | #define STYP_DEBUG_INFO STYP_INFO | |
442 | #endif | |
443 | ||
252b5132 | 444 | static long |
7920ce38 | 445 | sec_to_styp_flags (const char *sec_name, flagword sec_flags) |
252b5132 RH |
446 | { |
447 | long styp_flags = 0; | |
448 | ||
449 | if (!strcmp (sec_name, _TEXT)) | |
450 | { | |
451 | styp_flags = STYP_TEXT; | |
452 | } | |
453 | else if (!strcmp (sec_name, _DATA)) | |
454 | { | |
455 | styp_flags = STYP_DATA; | |
456 | } | |
457 | else if (!strcmp (sec_name, _BSS)) | |
458 | { | |
459 | styp_flags = STYP_BSS; | |
460 | #ifdef _COMMENT | |
461 | } | |
462 | else if (!strcmp (sec_name, _COMMENT)) | |
463 | { | |
464 | styp_flags = STYP_INFO; | |
465 | #endif /* _COMMENT */ | |
466 | #ifdef _LIB | |
467 | } | |
468 | else if (!strcmp (sec_name, _LIB)) | |
469 | { | |
470 | styp_flags = STYP_LIB; | |
471 | #endif /* _LIB */ | |
472 | #ifdef _LIT | |
473 | } | |
474 | else if (!strcmp (sec_name, _LIT)) | |
475 | { | |
476 | styp_flags = STYP_LIT; | |
477 | #endif /* _LIT */ | |
478 | } | |
08dedd66 ML |
479 | else if (startswith (sec_name, DOT_DEBUG) |
480 | || startswith (sec_name, DOT_ZDEBUG)) | |
252b5132 | 481 | { |
51db3708 NC |
482 | /* Handle the XCOFF debug section and DWARF2 debug sections. */ |
483 | if (!sec_name[6]) | |
46f2f11d | 484 | styp_flags = STYP_XCOFF_DEBUG; |
51db3708 | 485 | else |
46f2f11d | 486 | styp_flags = STYP_DEBUG_INFO; |
252b5132 | 487 | } |
08dedd66 | 488 | else if (startswith (sec_name, ".stab")) |
252b5132 | 489 | { |
51db3708 NC |
490 | styp_flags = STYP_DEBUG_INFO; |
491 | } | |
492 | #ifdef COFF_LONG_SECTION_NAMES | |
08dedd66 ML |
493 | else if (startswith (sec_name, GNU_LINKONCE_WI) |
494 | || startswith (sec_name, GNU_LINKONCE_WT)) | |
51db3708 NC |
495 | { |
496 | styp_flags = STYP_DEBUG_INFO; | |
252b5132 | 497 | } |
51db3708 | 498 | #endif |
252b5132 | 499 | #ifdef RS6000COFF_C |
1b2cb8e2 CC |
500 | else if (!strcmp (sec_name, _TDATA)) |
501 | { | |
502 | styp_flags = STYP_TDATA; | |
503 | } | |
504 | else if (!strcmp (sec_name, _TBSS)) | |
505 | { | |
506 | styp_flags = STYP_TBSS; | |
507 | } | |
252b5132 RH |
508 | else if (!strcmp (sec_name, _PAD)) |
509 | { | |
510 | styp_flags = STYP_PAD; | |
511 | } | |
512 | else if (!strcmp (sec_name, _LOADER)) | |
513 | { | |
514 | styp_flags = STYP_LOADER; | |
515 | } | |
67fdeebe TR |
516 | else if (!strcmp (sec_name, _EXCEPT)) |
517 | { | |
518 | styp_flags = STYP_EXCEPT; | |
519 | } | |
520 | else if (!strcmp (sec_name, _TYPCHK)) | |
521 | { | |
522 | styp_flags = STYP_TYPCHK; | |
523 | } | |
85645aed TG |
524 | else if (sec_flags & SEC_DEBUGGING) |
525 | { | |
526 | int i; | |
527 | ||
528 | for (i = 0; i < XCOFF_DWSECT_NBR_NAMES; i++) | |
51d29b8c | 529 | if (!strcmp (sec_name, xcoff_dwsect_names[i].xcoff_name)) |
07d6d2b8 AM |
530 | { |
531 | styp_flags = STYP_DWARF | xcoff_dwsect_names[i].flag; | |
532 | break; | |
533 | } | |
85645aed | 534 | } |
252b5132 RH |
535 | #endif |
536 | /* Try and figure out what it should be */ | |
537 | else if (sec_flags & SEC_CODE) | |
538 | { | |
539 | styp_flags = STYP_TEXT; | |
540 | } | |
541 | else if (sec_flags & SEC_DATA) | |
542 | { | |
543 | styp_flags = STYP_DATA; | |
544 | } | |
545 | else if (sec_flags & SEC_READONLY) | |
546 | { | |
547 | #ifdef STYP_LIT /* 29k readonly text/data section */ | |
548 | styp_flags = STYP_LIT; | |
549 | #else | |
550 | styp_flags = STYP_TEXT; | |
551 | #endif /* STYP_LIT */ | |
552 | } | |
553 | else if (sec_flags & SEC_LOAD) | |
554 | { | |
555 | styp_flags = STYP_TEXT; | |
556 | } | |
557 | else if (sec_flags & SEC_ALLOC) | |
558 | { | |
559 | styp_flags = STYP_BSS; | |
560 | } | |
561 | ||
34cbe64e | 562 | #ifdef STYP_CLINK |
ebe372c1 | 563 | if (sec_flags & SEC_TIC54X_CLINK) |
34cbe64e TW |
564 | styp_flags |= STYP_CLINK; |
565 | #endif | |
566 | ||
567 | #ifdef STYP_BLOCK | |
ebe372c1 | 568 | if (sec_flags & SEC_TIC54X_BLOCK) |
34cbe64e TW |
569 | styp_flags |= STYP_BLOCK; |
570 | #endif | |
571 | ||
252b5132 RH |
572 | #ifdef STYP_NOLOAD |
573 | if ((sec_flags & (SEC_NEVER_LOAD | SEC_COFF_SHARED_LIBRARY)) != 0) | |
574 | styp_flags |= STYP_NOLOAD; | |
575 | #endif | |
576 | ||
41733515 ILT |
577 | return styp_flags; |
578 | } | |
579 | ||
580 | #else /* COFF_WITH_PE */ | |
581 | ||
582 | /* The PE version; see above for the general comments. The non-PE | |
583 | case seems to be more guessing, and breaks PE format; specifically, | |
584 | .rdata is readonly, but it sure ain't text. Really, all this | |
585 | should be set up properly in gas (or whatever assembler is in use), | |
586 | and honor whatever objcopy/strip, etc. sent us as input. */ | |
587 | ||
588 | static long | |
7920ce38 | 589 | sec_to_styp_flags (const char *sec_name, flagword sec_flags) |
41733515 ILT |
590 | { |
591 | long styp_flags = 0; | |
0a1b45a2 | 592 | bool is_dbg = false; |
72e4db75 | 593 | |
08dedd66 ML |
594 | if (startswith (sec_name, DOT_DEBUG) |
595 | || startswith (sec_name, DOT_ZDEBUG) | |
72e4db75 | 596 | #ifdef COFF_LONG_SECTION_NAMES |
08dedd66 ML |
597 | || startswith (sec_name, GNU_LINKONCE_WI) |
598 | || startswith (sec_name, GNU_LINKONCE_WT) | |
72e4db75 | 599 | #endif |
08dedd66 | 600 | || startswith (sec_name, ".stab")) |
0a1b45a2 | 601 | is_dbg = true; |
41733515 ILT |
602 | |
603 | /* caution: there are at least three groups of symbols that have | |
604 | very similar bits and meanings: IMAGE_SCN*, SEC_*, and STYP_*. | |
605 | SEC_* are the BFD internal flags, used for generic BFD | |
606 | information. STYP_* are the COFF section flags which appear in | |
607 | COFF files. IMAGE_SCN_* are the PE section flags which appear in | |
608 | PE files. The STYP_* flags and the IMAGE_SCN_* flags overlap, | |
609 | but there are more IMAGE_SCN_* flags. */ | |
610 | ||
8a7140c3 | 611 | /* FIXME: There is no gas syntax to specify the debug section flag. */ |
72e4db75 | 612 | if (is_dbg) |
72b016b4 | 613 | { |
2b914c2b | 614 | sec_flags &= (SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD |
07d6d2b8 AM |
615 | | SEC_LINK_DUPLICATES_SAME_CONTENTS |
616 | | SEC_LINK_DUPLICATES_SAME_SIZE); | |
72b016b4 NC |
617 | sec_flags |= SEC_DEBUGGING | SEC_READONLY; |
618 | } | |
8a7140c3 | 619 | |
41733515 ILT |
620 | /* skip LOAD */ |
621 | /* READONLY later */ | |
622 | /* skip RELOC */ | |
623 | if ((sec_flags & SEC_CODE) != 0) | |
624 | styp_flags |= IMAGE_SCN_CNT_CODE; | |
72e4db75 | 625 | if ((sec_flags & (SEC_DATA | SEC_DEBUGGING)) != 0) |
41733515 ILT |
626 | styp_flags |= IMAGE_SCN_CNT_INITIALIZED_DATA; |
627 | if ((sec_flags & SEC_ALLOC) != 0 && (sec_flags & SEC_LOAD) == 0) | |
628 | styp_flags |= IMAGE_SCN_CNT_UNINITIALIZED_DATA; /* ==STYP_BSS */ | |
629 | /* skip ROM */ | |
dc810e39 | 630 | /* skip constRUCTOR */ |
41733515 | 631 | /* skip CONTENTS */ |
6b5465b9 JB |
632 | #ifndef COFF_IMAGE_WITH_PE |
633 | /* I don't think any of the IMAGE_SCN_LNK_* flags set below should be set | |
634 | when the output is PE. Only object files should have them, for the linker | |
635 | to consume. */ | |
41733515 | 636 | if ((sec_flags & SEC_IS_COMMON) != 0) |
252b5132 | 637 | styp_flags |= IMAGE_SCN_LNK_COMDAT; |
6b5465b9 | 638 | #endif |
41733515 ILT |
639 | if ((sec_flags & SEC_DEBUGGING) != 0) |
640 | styp_flags |= IMAGE_SCN_MEM_DISCARDABLE; | |
6b5465b9 JB |
641 | if ((sec_flags & (SEC_EXCLUDE | SEC_NEVER_LOAD)) != 0 && !is_dbg) |
642 | #ifdef COFF_IMAGE_WITH_PE | |
643 | styp_flags |= IMAGE_SCN_MEM_DISCARDABLE; | |
644 | #else | |
41733515 | 645 | styp_flags |= IMAGE_SCN_LNK_REMOVE; |
6b5465b9 | 646 | #endif |
41733515 ILT |
647 | /* skip IN_MEMORY */ |
648 | /* skip SORT */ | |
6b5465b9 | 649 | #ifndef COFF_IMAGE_WITH_PE |
e60b52c6 KH |
650 | if (sec_flags & SEC_LINK_ONCE) |
651 | styp_flags |= IMAGE_SCN_LNK_COMDAT; | |
2b914c2b KT |
652 | if ((sec_flags |
653 | & (SEC_LINK_DUPLICATES_DISCARD | SEC_LINK_DUPLICATES_SAME_CONTENTS | |
07d6d2b8 | 654 | | SEC_LINK_DUPLICATES_SAME_SIZE)) != 0) |
2b914c2b | 655 | styp_flags |= IMAGE_SCN_LNK_COMDAT; |
6b5465b9 | 656 | #endif |
68ffbac6 | 657 | |
41733515 ILT |
658 | /* skip LINKER_CREATED */ |
659 | ||
156621f3 KT |
660 | if ((sec_flags & SEC_COFF_NOREAD) == 0) |
661 | styp_flags |= IMAGE_SCN_MEM_READ; /* Invert NOREAD for read. */ | |
662 | if ((sec_flags & SEC_READONLY) == 0) | |
663 | styp_flags |= IMAGE_SCN_MEM_WRITE; /* Invert READONLY for write. */ | |
664 | if (sec_flags & SEC_CODE) | |
665 | styp_flags |= IMAGE_SCN_MEM_EXECUTE; /* CODE->EXECUTE. */ | |
666 | if (sec_flags & SEC_COFF_SHARED) | |
667 | styp_flags |= IMAGE_SCN_MEM_SHARED; /* Shared remains meaningful. */ | |
252b5132 | 668 | |
e60b52c6 | 669 | return styp_flags; |
252b5132 | 670 | } |
41733515 ILT |
671 | |
672 | #endif /* COFF_WITH_PE */ | |
673 | ||
674 | /* Return a word with SEC_* flags set to represent the incoming STYP_* | |
675 | flags (from scnhdr.s_flags). The inverse of this function is | |
676 | sec_to_styp_flags(). NOTE: If you add to/change this routine, you | |
677 | should probably mirror the changes in sec_to_styp_flags(). */ | |
678 | ||
679 | #ifndef COFF_WITH_PE | |
680 | ||
0a1b45a2 | 681 | static bool |
a4dd6c97 | 682 | styp_to_sec_flags (bfd *abfd, |
7920ce38 NC |
683 | void * hdr, |
684 | const char *name, | |
685 | asection *section ATTRIBUTE_UNUSED, | |
686 | flagword *flags_ptr) | |
252b5132 RH |
687 | { |
688 | struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr; | |
6f8f6017 | 689 | unsigned long styp_flags = internal_s->s_flags; |
252b5132 RH |
690 | flagword sec_flags = 0; |
691 | ||
34cbe64e TW |
692 | #ifdef STYP_BLOCK |
693 | if (styp_flags & STYP_BLOCK) | |
ebe372c1 | 694 | sec_flags |= SEC_TIC54X_BLOCK; |
e60b52c6 | 695 | #endif |
34cbe64e TW |
696 | |
697 | #ifdef STYP_CLINK | |
698 | if (styp_flags & STYP_CLINK) | |
ebe372c1 | 699 | sec_flags |= SEC_TIC54X_CLINK; |
e60b52c6 | 700 | #endif |
34cbe64e | 701 | |
252b5132 RH |
702 | #ifdef STYP_NOLOAD |
703 | if (styp_flags & STYP_NOLOAD) | |
7c8ca0e4 | 704 | sec_flags |= SEC_NEVER_LOAD; |
252b5132 RH |
705 | #endif /* STYP_NOLOAD */ |
706 | ||
707 | /* For 386 COFF, at least, an unloadable text or data section is | |
708 | actually a shared library section. */ | |
709 | if (styp_flags & STYP_TEXT) | |
710 | { | |
711 | if (sec_flags & SEC_NEVER_LOAD) | |
712 | sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY; | |
713 | else | |
714 | sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
715 | } | |
716 | else if (styp_flags & STYP_DATA) | |
717 | { | |
718 | if (sec_flags & SEC_NEVER_LOAD) | |
719 | sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY; | |
720 | else | |
721 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
722 | } | |
723 | else if (styp_flags & STYP_BSS) | |
724 | { | |
725 | #ifdef BSS_NOLOAD_IS_SHARED_LIBRARY | |
726 | if (sec_flags & SEC_NEVER_LOAD) | |
727 | sec_flags |= SEC_ALLOC | SEC_COFF_SHARED_LIBRARY; | |
728 | else | |
729 | #endif | |
730 | sec_flags |= SEC_ALLOC; | |
731 | } | |
732 | else if (styp_flags & STYP_INFO) | |
733 | { | |
734 | /* We mark these as SEC_DEBUGGING, but only if COFF_PAGE_SIZE is | |
735 | defined. coff_compute_section_file_positions uses | |
736 | COFF_PAGE_SIZE to ensure that the low order bits of the | |
737 | section VMA and the file offset match. If we don't know | |
738 | COFF_PAGE_SIZE, we can't ensure the correct correspondence, | |
739 | and demand page loading of the file will fail. */ | |
740 | #if defined (COFF_PAGE_SIZE) && !defined (COFF_ALIGN_IN_S_FLAGS) | |
741 | sec_flags |= SEC_DEBUGGING; | |
742 | #endif | |
743 | } | |
744 | else if (styp_flags & STYP_PAD) | |
7c8ca0e4 | 745 | sec_flags = 0; |
85645aed | 746 | #ifdef RS6000COFF_C |
1b2cb8e2 CC |
747 | else if (styp_flags & STYP_TDATA) |
748 | { | |
749 | if (sec_flags & SEC_NEVER_LOAD) | |
750 | sec_flags |= SEC_DATA | SEC_THREAD_LOCAL | SEC_COFF_SHARED_LIBRARY; | |
751 | else | |
752 | sec_flags |= SEC_DATA | SEC_THREAD_LOCAL | SEC_LOAD | SEC_ALLOC; | |
753 | } | |
754 | else if (styp_flags & STYP_TBSS) | |
755 | { | |
756 | #ifdef BSS_NOLOAD_IS_SHARED_LIBRARY | |
757 | if (sec_flags & SEC_NEVER_LOAD) | |
758 | sec_flags |= SEC_ALLOC | SEC_THREAD_LOCAL | SEC_COFF_SHARED_LIBRARY; | |
759 | else | |
760 | #endif | |
761 | sec_flags |= SEC_ALLOC | SEC_THREAD_LOCAL; | |
762 | } | |
110a61d3 JB |
763 | else if (styp_flags & STYP_EXCEPT) |
764 | sec_flags |= SEC_LOAD; | |
765 | else if (styp_flags & STYP_LOADER) | |
766 | sec_flags |= SEC_LOAD; | |
767 | else if (styp_flags & STYP_TYPCHK) | |
768 | sec_flags |= SEC_LOAD; | |
85645aed TG |
769 | else if (styp_flags & STYP_DWARF) |
770 | sec_flags |= SEC_DEBUGGING; | |
771 | #endif | |
252b5132 RH |
772 | else if (strcmp (name, _TEXT) == 0) |
773 | { | |
774 | if (sec_flags & SEC_NEVER_LOAD) | |
775 | sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY; | |
776 | else | |
777 | sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
778 | } | |
779 | else if (strcmp (name, _DATA) == 0) | |
780 | { | |
781 | if (sec_flags & SEC_NEVER_LOAD) | |
782 | sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY; | |
783 | else | |
784 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
785 | } | |
786 | else if (strcmp (name, _BSS) == 0) | |
787 | { | |
788 | #ifdef BSS_NOLOAD_IS_SHARED_LIBRARY | |
789 | if (sec_flags & SEC_NEVER_LOAD) | |
790 | sec_flags |= SEC_ALLOC | SEC_COFF_SHARED_LIBRARY; | |
791 | else | |
792 | #endif | |
793 | sec_flags |= SEC_ALLOC; | |
794 | } | |
08dedd66 ML |
795 | else if (startswith (name, DOT_DEBUG) |
796 | || startswith (name, DOT_ZDEBUG) | |
252b5132 RH |
797 | #ifdef _COMMENT |
798 | || strcmp (name, _COMMENT) == 0 | |
51db3708 NC |
799 | #endif |
800 | #ifdef COFF_LONG_SECTION_NAMES | |
08dedd66 ML |
801 | || startswith (name, GNU_LINKONCE_WI) |
802 | || startswith (name, GNU_LINKONCE_WT) | |
252b5132 | 803 | #endif |
08dedd66 | 804 | || startswith (name, ".stab")) |
252b5132 RH |
805 | { |
806 | #ifdef COFF_PAGE_SIZE | |
807 | sec_flags |= SEC_DEBUGGING; | |
808 | #endif | |
809 | } | |
810 | #ifdef _LIB | |
811 | else if (strcmp (name, _LIB) == 0) | |
812 | ; | |
813 | #endif | |
814 | #ifdef _LIT | |
815 | else if (strcmp (name, _LIT) == 0) | |
7c8ca0e4 | 816 | sec_flags = SEC_LOAD | SEC_ALLOC | SEC_READONLY; |
252b5132 RH |
817 | #endif |
818 | else | |
7c8ca0e4 | 819 | sec_flags |= SEC_ALLOC | SEC_LOAD; |
252b5132 | 820 | |
ed781d5d | 821 | #ifdef STYP_LIT /* A29k readonly text/data section type. */ |
252b5132 | 822 | if ((styp_flags & STYP_LIT) == STYP_LIT) |
7c8ca0e4 | 823 | sec_flags = (SEC_LOAD | SEC_ALLOC | SEC_READONLY); |
252b5132 | 824 | #endif /* STYP_LIT */ |
7c8ca0e4 | 825 | |
ed781d5d | 826 | #ifdef STYP_OTHER_LOAD /* Other loaded sections. */ |
252b5132 | 827 | if (styp_flags & STYP_OTHER_LOAD) |
7c8ca0e4 | 828 | sec_flags = (SEC_LOAD | SEC_ALLOC); |
252b5132 RH |
829 | #endif /* STYP_SDATA */ |
830 | ||
a4dd6c97 | 831 | if ((bfd_applicable_section_flags (abfd) & SEC_SMALL_DATA) != 0 |
08dedd66 ML |
832 | && (startswith (name, ".sbss") |
833 | || startswith (name, ".sdata"))) | |
a4dd6c97 AM |
834 | sec_flags |= SEC_SMALL_DATA; |
835 | ||
41733515 ILT |
836 | #if defined (COFF_LONG_SECTION_NAMES) && defined (COFF_SUPPORT_GNU_LINKONCE) |
837 | /* As a GNU extension, if the name begins with .gnu.linkonce, we | |
838 | only link a single copy of the section. This is used to support | |
839 | g++. g++ will emit each template expansion in its own section. | |
840 | The symbols will be defined as weak, so that multiple definitions | |
841 | are permitted. The GNU linker extension is to actually discard | |
842 | all but one of the sections. */ | |
08dedd66 | 843 | if (startswith (name, ".gnu.linkonce")) |
41733515 ILT |
844 | sec_flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD; |
845 | #endif | |
846 | ||
7c8ca0e4 | 847 | if (flags_ptr == NULL) |
0a1b45a2 | 848 | return false; |
7c8ca0e4 NC |
849 | |
850 | * flags_ptr = sec_flags; | |
0a1b45a2 | 851 | return true; |
41733515 ILT |
852 | } |
853 | ||
854 | #else /* COFF_WITH_PE */ | |
855 | ||
8606b47e AM |
856 | static hashval_t |
857 | comdat_hashf (const void *entry) | |
858 | { | |
859 | const struct comdat_hash_entry *fe = entry; | |
860 | return fe->target_index; | |
861 | } | |
862 | ||
863 | static int | |
864 | comdat_eqf (const void *e1, const void *e2) | |
865 | { | |
866 | const struct comdat_hash_entry *fe1 = e1; | |
867 | const struct comdat_hash_entry *fe2 = e2; | |
868 | return fe1->target_index == fe2->target_index; | |
869 | } | |
870 | ||
871 | static void | |
872 | comdat_delf (void *ent) | |
873 | { | |
874 | struct comdat_hash_entry *e = ent; | |
875 | free (e->symname); | |
876 | free (e); | |
877 | } | |
878 | ||
6aadf8a0 OT |
879 | static struct comdat_hash_entry * |
880 | find_flags (htab_t comdat_hash, int target_index) | |
881 | { | |
882 | struct comdat_hash_entry needle; | |
883 | needle.target_index = target_index; | |
884 | ||
885 | return htab_find (comdat_hash, &needle); | |
886 | } | |
887 | ||
cb3f0ff4 | 888 | static bool |
6aadf8a0 | 889 | fill_comdat_hash (bfd *abfd) |
41733515 | 890 | { |
1276aefa | 891 | bfd_byte *esymstart, *esym, *esymend; |
1276aefa | 892 | |
398f1ddf AM |
893 | /* Unfortunately, the PE format stores essential information in the |
894 | symbol table, of all places. We need to extract that information | |
895 | now, so that objdump and the linker will know how to handle the | |
896 | section without worrying about the symbols. We can't call | |
897 | slurp_symtab, because the linker doesn't want the swapped symbols. */ | |
1276aefa NC |
898 | |
899 | /* COMDAT sections are special. The first symbol is the section | |
900 | symbol, which tells what kind of COMDAT section it is. The | |
398f1ddf AM |
901 | second symbol is the "comdat symbol" - the one with the unique |
902 | name. GNU uses the section symbol for the unique name; MS uses | |
903 | ".text" for every comdat section. Sigh. - DJ. */ | |
1276aefa | 904 | |
398f1ddf AM |
905 | /* This is not mirrored in sec_to_styp_flags(), but there doesn't |
906 | seem to be a need to, either, and it would at best be rather messy. */ | |
1276aefa NC |
907 | |
908 | if (! _bfd_coff_get_external_symbols (abfd)) | |
cb3f0ff4 | 909 | return true; |
dc810e39 | 910 | |
1276aefa NC |
911 | esymstart = esym = (bfd_byte *) obj_coff_external_syms (abfd); |
912 | esymend = esym + obj_raw_syment_count (abfd) * bfd_coff_symesz (abfd); | |
913 | ||
cb3f0ff4 AM |
914 | for (struct internal_syment isym; |
915 | esym < esymend; | |
916 | esym += (isym.n_numaux + 1) * bfd_coff_symesz (abfd)) | |
41733515 | 917 | { |
1276aefa NC |
918 | char buf[SYMNMLEN + 1]; |
919 | const char *symname; | |
6aadf8a0 | 920 | flagword sec_flags = SEC_LINK_ONCE; |
252b5132 | 921 | |
cb3f0ff4 | 922 | bfd_coff_swap_sym_in (abfd, esym, &isym); |
252b5132 | 923 | |
398f1ddf AM |
924 | /* According to the MSVC documentation, the first TWO entries |
925 | with the section # are both of interest to us. The first one | |
926 | is the "section symbol" (section name). The second is the | |
927 | comdat symbol name. Here, we've found the first qualifying | |
928 | entry; we distinguish it from the second with a state flag. | |
929 | ||
930 | In the case of gas-generated (at least until that is fixed) | |
931 | .o files, it isn't necessarily the second one. It may be | |
932 | some other later symbol. | |
933 | ||
934 | Since gas also doesn't follow MS conventions and emits the | |
935 | section similar to .text$<name>, where <something> is the | |
936 | name we're looking for, we distinguish the two as follows: | |
937 | ||
938 | If the section name is simply a section name (no $) we | |
939 | presume it's MS-generated, and look at precisely the second | |
940 | symbol for the comdat name. If the section name has a $, we | |
941 | assume it's gas-generated, and look for <something> (whatever | |
6aadf8a0 OT |
942 | follows the $) as the comdat symbol. */ |
943 | ||
944 | /* All 3 branches use this. */ | |
945 | symname = _bfd_coff_internal_syment_name (abfd, &isym, buf); | |
946 | ||
947 | /* PR 17512 file: 078-11867-0.004 */ | |
948 | if (symname == NULL) | |
949 | { | |
950 | _bfd_error_handler (_("%pB: unable to load COMDAT section name"), | |
951 | abfd); | |
952 | continue; | |
953 | } | |
954 | ||
955 | union internal_auxent aux; | |
956 | ||
957 | struct comdat_hash_entry needle; | |
958 | needle.target_index = isym.n_scnum; | |
1276aefa | 959 | |
6aadf8a0 OT |
960 | void **slot |
961 | = htab_find_slot (pe_data (abfd)->comdat_hash, &needle, INSERT); | |
962 | if (slot == NULL) | |
963 | return false; | |
964 | ||
965 | if (*slot == NULL) | |
1276aefa | 966 | { |
6aadf8a0 OT |
967 | if (isym.n_numaux == 0) |
968 | aux.x_scn.x_comdat = 0; | |
969 | else | |
a6f921c8 | 970 | { |
6aadf8a0 | 971 | /* PR 17512: file: e2cfe54f. */ |
398f1ddf | 972 | if (esym + isym.n_numaux * bfd_coff_symesz (abfd) >= esymend) |
6aadf8a0 OT |
973 | { |
974 | /* xgettext:c-format */ | |
398f1ddf AM |
975 | _bfd_error_handler (_("%pB: warning: no symbol for" |
976 | " section '%s' found"), | |
6aadf8a0 OT |
977 | abfd, symname); |
978 | continue; | |
979 | } | |
980 | bfd_coff_swap_aux_in (abfd, (esym + bfd_coff_symesz (abfd)), | |
981 | isym.n_type, isym.n_sclass, 0, | |
982 | isym.n_numaux, &aux); | |
a6f921c8 | 983 | } |
1276aefa | 984 | |
398f1ddf AM |
985 | /* FIXME: Microsoft uses NODUPLICATES and ASSOCIATIVE, but |
986 | gnu uses ANY and SAME_SIZE. Unfortunately, gnu doesn't | |
987 | do the comdat symbols right. So, until we can fix it to | |
988 | do the right thing, we are temporarily disabling comdats | |
989 | for the MS types (they're used in DLLs and C++, but we | |
990 | don't support *their* C++ libraries anyway - DJ. */ | |
991 | ||
992 | /* Cygwin does not follow the MS style, and uses ANY and | |
993 | SAME_SIZE where NODUPLICATES and ASSOCIATIVE should be | |
994 | used. For Interix, we just do the right thing up | |
6aadf8a0 OT |
995 | front. */ |
996 | ||
997 | switch (aux.x_scn.x_comdat) | |
252b5132 | 998 | { |
6aadf8a0 | 999 | case IMAGE_COMDAT_SELECT_NODUPLICATES: |
e60b52c6 | 1000 | #ifdef STRICT_PE_FORMAT |
6aadf8a0 | 1001 | sec_flags |= SEC_LINK_DUPLICATES_ONE_ONLY; |
ec0ef80e | 1002 | #else |
6aadf8a0 | 1003 | sec_flags &= ~SEC_LINK_ONCE; |
ec0ef80e | 1004 | #endif |
6aadf8a0 | 1005 | break; |
252b5132 | 1006 | |
6aadf8a0 OT |
1007 | case IMAGE_COMDAT_SELECT_ANY: |
1008 | sec_flags |= SEC_LINK_DUPLICATES_DISCARD; | |
1009 | break; | |
252b5132 | 1010 | |
6aadf8a0 OT |
1011 | case IMAGE_COMDAT_SELECT_SAME_SIZE: |
1012 | sec_flags |= SEC_LINK_DUPLICATES_SAME_SIZE; | |
1013 | break; | |
252b5132 | 1014 | |
6aadf8a0 OT |
1015 | case IMAGE_COMDAT_SELECT_EXACT_MATCH: |
1016 | /* Not yet fully implemented ??? */ | |
1017 | sec_flags |= SEC_LINK_DUPLICATES_SAME_CONTENTS; | |
1018 | break; | |
252b5132 | 1019 | |
398f1ddf | 1020 | /* debug$S gets this case; other implications ??? */ |
e5db213d | 1021 | |
398f1ddf AM |
1022 | /* There may be no symbol. We'll search the whole |
1023 | table. Is this the right place to play this game? | |
1024 | Or should we do it when reading it in? */ | |
6aadf8a0 | 1025 | case IMAGE_COMDAT_SELECT_ASSOCIATIVE: |
0717ebb7 | 1026 | #ifdef STRICT_PE_FORMAT |
6aadf8a0 OT |
1027 | /* FIXME: This is not currently implemented. */ |
1028 | sec_flags |= SEC_LINK_DUPLICATES_DISCARD; | |
ec0ef80e | 1029 | #else |
6aadf8a0 | 1030 | sec_flags &= ~SEC_LINK_ONCE; |
ec0ef80e | 1031 | #endif |
1276aefa | 1032 | break; |
41733515 | 1033 | |
6aadf8a0 | 1034 | default: /* 0 means "no symbol" */ |
398f1ddf | 1035 | /* debug$F gets this case; other implications ??? */ |
6aadf8a0 OT |
1036 | sec_flags |= SEC_LINK_DUPLICATES_DISCARD; |
1037 | break; | |
1038 | } | |
1039 | ||
1040 | *slot = bfd_zmalloc (sizeof (struct comdat_hash_entry)); | |
1041 | if (*slot == NULL) | |
1042 | return false; | |
1043 | struct comdat_hash_entry *newentry = *slot; | |
1044 | newentry->sec_flags = sec_flags; | |
1045 | newentry->symname = bfd_strdup (symname); | |
1046 | newentry->target_index = isym.n_scnum; | |
1047 | newentry->isym = isym; | |
1048 | newentry->comdat_symbol = -1; | |
1049 | } | |
1050 | else | |
1051 | { | |
1052 | struct comdat_hash_entry *entry = *slot; | |
1053 | ||
1054 | if (entry->comdat_symbol != -1) | |
1055 | continue; | |
1056 | ||
1057 | char *target_name = strchr (entry->symname, '$'); | |
1058 | if (target_name != NULL) | |
1059 | { | |
1276aefa | 1060 | /* Gas mode: the first matching on partial name. */ |
252b5132 | 1061 | |
6aadf8a0 | 1062 | target_name += 1; |
e5db213d ILT |
1063 | #ifndef TARGET_UNDERSCORE |
1064 | #define TARGET_UNDERSCORE 0 | |
1065 | #endif | |
ed781d5d | 1066 | /* Is this the name we're looking for ? */ |
1276aefa NC |
1067 | if (strcmp (target_name, |
1068 | symname + (TARGET_UNDERSCORE ? 1 : 0)) != 0) | |
1069 | { | |
1070 | /* Not the name we're looking for */ | |
1276aefa | 1071 | continue; |
252b5132 | 1072 | } |
252b5132 | 1073 | } |
398f1ddf AM |
1074 | /* MSVC mode: the lexically second symbol (or drop through |
1075 | from the above). */ | |
1076 | /* This must the second symbol with the section #. It is | |
1077 | the actual symbol name. Intel puts the two adjacent, but | |
1078 | Alpha (at least) spreads them out. */ | |
6aadf8a0 OT |
1079 | |
1080 | entry->comdat_symbol = (esym - esymstart) / bfd_coff_symesz (abfd); | |
1081 | entry->comdat_name = bfd_strdup (symname); | |
252b5132 | 1082 | } |
1276aefa NC |
1083 | } |
1084 | ||
cb3f0ff4 | 1085 | return true; |
1276aefa NC |
1086 | } |
1087 | ||
6aadf8a0 OT |
1088 | static bool |
1089 | insert_coff_comdat_info (bfd *abfd, asection *section, const char *symname, | |
1090 | long symbol) | |
1091 | { | |
1092 | struct coff_comdat_info *comdat; | |
1093 | size_t len = strlen (symname) + 1; | |
1094 | ||
1095 | comdat = bfd_alloc (abfd, sizeof (*comdat) + len); | |
1096 | if (comdat == NULL) | |
1097 | return false; | |
1098 | ||
1099 | coff_section_data (abfd, section)->comdat = comdat; | |
1100 | comdat->symbol = symbol; | |
1101 | char *newname = (char *) (comdat + 1); | |
1102 | comdat->name = newname; | |
1103 | memcpy (newname, symname, len); | |
1104 | return true; | |
1105 | } | |
1106 | ||
1107 | static bool | |
1108 | handle_COMDAT (bfd *abfd, flagword *sec_flags, const char *name, | |
1109 | asection *section) | |
1110 | { | |
8606b47e AM |
1111 | if (pe_data (abfd)->comdat_hash == NULL) |
1112 | { | |
1113 | pe_data (abfd)->comdat_hash = htab_create (10, comdat_hashf, comdat_eqf, | |
1114 | comdat_delf); | |
1115 | if (pe_data (abfd)->comdat_hash == NULL) | |
1116 | return false; | |
1117 | } | |
1118 | ||
6aadf8a0 OT |
1119 | if (htab_elements (pe_data (abfd)->comdat_hash) == 0) |
1120 | if (! fill_comdat_hash (abfd)) | |
1121 | return false; | |
1122 | ||
1123 | struct comdat_hash_entry *found | |
1124 | = find_flags (pe_data (abfd)->comdat_hash, section->target_index); | |
1125 | if (found != NULL) | |
1126 | { | |
6aadf8a0 OT |
1127 | struct internal_syment isym = found->isym; |
1128 | ||
398f1ddf AM |
1129 | /* If it isn't the stuff we're expecting, die; The MS |
1130 | documentation is vague, but it appears that the second entry | |
1131 | serves BOTH as the comdat symbol and the defining symbol | |
1132 | record (either C_STAT or C_EXT, possibly with an aux entry | |
1133 | with debug information if it's a function.) It appears the | |
1134 | only way to find the second one is to count. (On Intel, they | |
1135 | appear to be adjacent, but on Alpha, they have been found | |
1136 | separated.) | |
1137 | ||
1138 | Here, we think we've found the first one, but there's some | |
1139 | checking we can do to be sure. */ | |
6aadf8a0 OT |
1140 | |
1141 | if (! ((isym.n_sclass == C_STAT || isym.n_sclass == C_EXT) | |
1142 | && BTYPE (isym.n_type) == T_NULL && isym.n_value == 0)) | |
1143 | { | |
1144 | /* Malformed input files can trigger this test. | |
1145 | cf PR 21781. */ | |
398f1ddf AM |
1146 | _bfd_error_handler |
1147 | (_("%pB: error: unexpected symbol '%s' in COMDAT section"), | |
1148 | abfd, found->symname); | |
6aadf8a0 OT |
1149 | return false; |
1150 | } | |
1151 | ||
398f1ddf AM |
1152 | /* FIXME LATER: MSVC generates section names like .text for |
1153 | comdats. Gas generates names like .text$foo__Fv (in the case | |
1154 | of a function). See comment above for more. */ | |
6aadf8a0 OT |
1155 | |
1156 | if (isym.n_sclass == C_STAT && strcmp (name, found->symname) != 0) | |
1157 | /* xgettext:c-format */ | |
398f1ddf AM |
1158 | _bfd_error_handler (_("%pB: warning: COMDAT symbol '%s'" |
1159 | " does not match section name '%s'"), | |
6aadf8a0 OT |
1160 | abfd, found->symname, name); |
1161 | ||
1162 | if (found->comdat_symbol != -1) | |
1163 | { | |
1164 | if (! insert_coff_comdat_info (abfd, section, found->comdat_name, | |
1165 | found->comdat_symbol)) | |
1166 | return false; | |
1167 | } | |
1168 | *sec_flags = *sec_flags | found->sec_flags; | |
1169 | return true; | |
1170 | } | |
1171 | *sec_flags = *sec_flags | SEC_LINK_ONCE; | |
1172 | return true; | |
1173 | } | |
1174 | ||
1276aefa NC |
1175 | |
1176 | /* The PE version; see above for the general comments. | |
1177 | ||
1178 | Since to set the SEC_LINK_ONCE and associated flags, we have to | |
1179 | look at the symbol table anyway, we return the symbol table index | |
1180 | of the symbol being used as the COMDAT symbol. This is admittedly | |
1181 | ugly, but there's really nowhere else that we have access to the | |
1182 | required information. FIXME: Is the COMDAT symbol index used for | |
1183 | any purpose other than objdump? */ | |
1184 | ||
0a1b45a2 | 1185 | static bool |
7920ce38 NC |
1186 | styp_to_sec_flags (bfd *abfd, |
1187 | void * hdr, | |
1188 | const char *name, | |
1189 | asection *section, | |
1190 | flagword *flags_ptr) | |
1276aefa NC |
1191 | { |
1192 | struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr; | |
77ef8654 | 1193 | unsigned long styp_flags = internal_s->s_flags; |
1276aefa | 1194 | flagword sec_flags; |
0a1b45a2 AM |
1195 | bool result = true; |
1196 | bool is_dbg = false; | |
1276aefa | 1197 | |
08dedd66 ML |
1198 | if (startswith (name, DOT_DEBUG) |
1199 | || startswith (name, DOT_ZDEBUG) | |
72e4db75 | 1200 | #ifdef COFF_LONG_SECTION_NAMES |
08dedd66 ML |
1201 | || startswith (name, GNU_LINKONCE_WI) |
1202 | || startswith (name, GNU_LINKONCE_WT) | |
2cdc1a97 NC |
1203 | /* FIXME: These definitions ought to be in a header file. */ |
1204 | #define GNU_DEBUGLINK ".gnu_debuglink" | |
1205 | #define GNU_DEBUGALTLINK ".gnu_debugaltlink" | |
08dedd66 ML |
1206 | || startswith (name, GNU_DEBUGLINK) |
1207 | || startswith (name, GNU_DEBUGALTLINK) | |
72e4db75 | 1208 | #endif |
08dedd66 | 1209 | || startswith (name, ".stab")) |
0a1b45a2 | 1210 | is_dbg = true; |
1276aefa NC |
1211 | /* Assume read only unless IMAGE_SCN_MEM_WRITE is specified. */ |
1212 | sec_flags = SEC_READONLY; | |
1213 | ||
156621f3 KT |
1214 | /* If section disallows read, then set the NOREAD flag. */ |
1215 | if ((styp_flags & IMAGE_SCN_MEM_READ) == 0) | |
1216 | sec_flags |= SEC_COFF_NOREAD; | |
1217 | ||
1276aefa NC |
1218 | /* Process each flag bit in styp_flags in turn. */ |
1219 | while (styp_flags) | |
1220 | { | |
77ef8654 | 1221 | unsigned long flag = styp_flags & - styp_flags; |
1276aefa | 1222 | char * unhandled = NULL; |
dc810e39 | 1223 | |
1276aefa NC |
1224 | styp_flags &= ~ flag; |
1225 | ||
1226 | /* We infer from the distinct read/write/execute bits the settings | |
1227 | of some of the bfd flags; the actual values, should we need them, | |
1228 | are also in pei_section_data (abfd, section)->pe_flags. */ | |
1229 | ||
1230 | switch (flag) | |
1231 | { | |
1232 | case STYP_DSECT: | |
1233 | unhandled = "STYP_DSECT"; | |
1234 | break; | |
1235 | case STYP_GROUP: | |
1236 | unhandled = "STYP_GROUP"; | |
1237 | break; | |
1238 | case STYP_COPY: | |
1239 | unhandled = "STYP_COPY"; | |
1240 | break; | |
1241 | case STYP_OVER: | |
1242 | unhandled = "STYP_OVER"; | |
1243 | break; | |
1244 | #ifdef SEC_NEVER_LOAD | |
1245 | case STYP_NOLOAD: | |
1246 | sec_flags |= SEC_NEVER_LOAD; | |
1247 | break; | |
dc810e39 | 1248 | #endif |
1276aefa | 1249 | case IMAGE_SCN_MEM_READ: |
156621f3 | 1250 | sec_flags &= ~SEC_COFF_NOREAD; |
1276aefa NC |
1251 | break; |
1252 | case IMAGE_SCN_TYPE_NO_PAD: | |
1253 | /* Skip. */ | |
1254 | break; | |
1255 | case IMAGE_SCN_LNK_OTHER: | |
1256 | unhandled = "IMAGE_SCN_LNK_OTHER"; | |
1257 | break; | |
1258 | case IMAGE_SCN_MEM_NOT_CACHED: | |
1259 | unhandled = "IMAGE_SCN_MEM_NOT_CACHED"; | |
1260 | break; | |
1261 | case IMAGE_SCN_MEM_NOT_PAGED: | |
05576f10 NC |
1262 | /* Generate a warning message rather using the 'unhandled' |
1263 | variable as this will allow some .sys files generate by | |
1264 | other toolchains to be processed. See bugzilla issue 196. */ | |
695344c0 | 1265 | /* xgettext:c-format */ |
59d08d6c AM |
1266 | _bfd_error_handler (_("%pB: warning: ignoring section flag" |
1267 | " %s in section %s"), | |
1268 | abfd, "IMAGE_SCN_MEM_NOT_PAGED", name); | |
1276aefa NC |
1269 | break; |
1270 | case IMAGE_SCN_MEM_EXECUTE: | |
1271 | sec_flags |= SEC_CODE; | |
1272 | break; | |
1273 | case IMAGE_SCN_MEM_WRITE: | |
1274 | sec_flags &= ~ SEC_READONLY; | |
1275 | break; | |
1276 | case IMAGE_SCN_MEM_DISCARDABLE: | |
f6d29e26 KT |
1277 | /* The MS PE spec says that debug sections are DISCARDABLE, |
1278 | but the presence of a DISCARDABLE flag does not necessarily | |
1279 | mean that a given section contains debug information. Thus | |
1280 | we only set the SEC_DEBUGGING flag on sections that we | |
1281 | recognise as containing debug information. */ | |
72e4db75 | 1282 | if (is_dbg |
f6d29e26 KT |
1283 | #ifdef _COMMENT |
1284 | || strcmp (name, _COMMENT) == 0 | |
1285 | #endif | |
72e4db75 KT |
1286 | ) |
1287 | { | |
1288 | sec_flags |= SEC_DEBUGGING | SEC_READONLY; | |
1289 | } | |
1276aefa NC |
1290 | break; |
1291 | case IMAGE_SCN_MEM_SHARED: | |
ebe372c1 | 1292 | sec_flags |= SEC_COFF_SHARED; |
1276aefa NC |
1293 | break; |
1294 | case IMAGE_SCN_LNK_REMOVE: | |
72e4db75 KT |
1295 | if (!is_dbg) |
1296 | sec_flags |= SEC_EXCLUDE; | |
1276aefa NC |
1297 | break; |
1298 | case IMAGE_SCN_CNT_CODE: | |
1299 | sec_flags |= SEC_CODE | SEC_ALLOC | SEC_LOAD; | |
1300 | break; | |
1301 | case IMAGE_SCN_CNT_INITIALIZED_DATA: | |
72e4db75 KT |
1302 | if (is_dbg) |
1303 | sec_flags |= SEC_DEBUGGING; | |
1304 | else | |
1305 | sec_flags |= SEC_DATA | SEC_ALLOC | SEC_LOAD; | |
1276aefa NC |
1306 | break; |
1307 | case IMAGE_SCN_CNT_UNINITIALIZED_DATA: | |
1308 | sec_flags |= SEC_ALLOC; | |
1309 | break; | |
1310 | case IMAGE_SCN_LNK_INFO: | |
1311 | /* We mark these as SEC_DEBUGGING, but only if COFF_PAGE_SIZE is | |
1312 | defined. coff_compute_section_file_positions uses | |
1313 | COFF_PAGE_SIZE to ensure that the low order bits of the | |
1314 | section VMA and the file offset match. If we don't know | |
1315 | COFF_PAGE_SIZE, we can't ensure the correct correspondence, | |
1316 | and demand page loading of the file will fail. */ | |
1317 | #ifdef COFF_PAGE_SIZE | |
1318 | sec_flags |= SEC_DEBUGGING; | |
1319 | #endif | |
1320 | break; | |
1321 | case IMAGE_SCN_LNK_COMDAT: | |
1322 | /* COMDAT gets very special treatment. */ | |
6aadf8a0 | 1323 | if (!handle_COMDAT (abfd, &sec_flags, name, section)) |
cb3f0ff4 | 1324 | result = false; |
1276aefa NC |
1325 | break; |
1326 | default: | |
1327 | /* Silently ignore for now. */ | |
dc810e39 | 1328 | break; |
1276aefa NC |
1329 | } |
1330 | ||
7c8ca0e4 | 1331 | /* If the section flag was not handled, report it here. */ |
1276aefa | 1332 | if (unhandled != NULL) |
7c8ca0e4 | 1333 | { |
4eca0228 | 1334 | _bfd_error_handler |
695344c0 | 1335 | /* xgettext:c-format */ |
59d08d6c | 1336 | (_("%pB (%s): section flag %s (%#lx) ignored"), |
d003868e | 1337 | abfd, name, unhandled, flag); |
0a1b45a2 | 1338 | result = false; |
7c8ca0e4 | 1339 | } |
252b5132 | 1340 | } |
252b5132 | 1341 | |
a4dd6c97 | 1342 | if ((bfd_applicable_section_flags (abfd) & SEC_SMALL_DATA) != 0 |
08dedd66 ML |
1343 | && (startswith (name, ".sbss") |
1344 | || startswith (name, ".sdata"))) | |
a4dd6c97 AM |
1345 | sec_flags |= SEC_SMALL_DATA; |
1346 | ||
242eabea ILT |
1347 | #if defined (COFF_LONG_SECTION_NAMES) && defined (COFF_SUPPORT_GNU_LINKONCE) |
1348 | /* As a GNU extension, if the name begins with .gnu.linkonce, we | |
1349 | only link a single copy of the section. This is used to support | |
1350 | g++. g++ will emit each template expansion in its own section. | |
1351 | The symbols will be defined as weak, so that multiple definitions | |
1352 | are permitted. The GNU linker extension is to actually discard | |
1353 | all but one of the sections. */ | |
08dedd66 | 1354 | if (startswith (name, ".gnu.linkonce")) |
242eabea ILT |
1355 | sec_flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD; |
1356 | #endif | |
1357 | ||
7c8ca0e4 NC |
1358 | if (flags_ptr) |
1359 | * flags_ptr = sec_flags; | |
dc810e39 | 1360 | |
7c8ca0e4 | 1361 | return result; |
252b5132 RH |
1362 | } |
1363 | ||
41733515 ILT |
1364 | #endif /* COFF_WITH_PE */ |
1365 | ||
252b5132 RH |
1366 | #define get_index(symbol) ((symbol)->udata.i) |
1367 | ||
1368 | /* | |
1369 | INTERNAL_DEFINITION | |
1370 | bfd_coff_backend_data | |
1371 | ||
717d4bd6 | 1372 | INTERNAL |
5d54c628 ILT |
1373 | .{* COFF symbol classifications. *} |
1374 | . | |
1375 | .enum coff_symbol_classification | |
1376 | .{ | |
1377 | . {* Global symbol. *} | |
1378 | . COFF_SYMBOL_GLOBAL, | |
1379 | . {* Common symbol. *} | |
1380 | . COFF_SYMBOL_COMMON, | |
1381 | . {* Undefined symbol. *} | |
1382 | . COFF_SYMBOL_UNDEFINED, | |
1383 | . {* Local symbol. *} | |
1384 | . COFF_SYMBOL_LOCAL, | |
1385 | . {* PE section symbol. *} | |
1386 | . COFF_SYMBOL_PE_SECTION | |
1387 | .}; | |
1388 | . | |
0f088b2a KT |
1389 | .typedef asection * (*coff_gc_mark_hook_fn) |
1390 | . (asection *, struct bfd_link_info *, struct internal_reloc *, | |
1391 | . struct coff_link_hash_entry *, struct internal_syment *); | |
1392 | . | |
717d4bd6 | 1393 | |
252b5132 | 1394 | Special entry points for gdb to swap in coff symbol table parts: |
717d4bd6 AM |
1395 | |
1396 | CODE_FRAGMENT | |
252b5132 RH |
1397 | .typedef struct |
1398 | .{ | |
dc810e39 | 1399 | . void (*_bfd_coff_swap_aux_in) |
7920ce38 | 1400 | . (bfd *, void *, int, int, int, int, void *); |
252b5132 | 1401 | . |
dc810e39 | 1402 | . void (*_bfd_coff_swap_sym_in) |
7920ce38 | 1403 | . (bfd *, void *, void *); |
252b5132 | 1404 | . |
dc810e39 | 1405 | . void (*_bfd_coff_swap_lineno_in) |
7920ce38 | 1406 | . (bfd *, void *, void *); |
252b5132 | 1407 | . |
dc810e39 | 1408 | . unsigned int (*_bfd_coff_swap_aux_out) |
7920ce38 | 1409 | . (bfd *, void *, int, int, int, int, void *); |
252b5132 | 1410 | . |
dc810e39 | 1411 | . unsigned int (*_bfd_coff_swap_sym_out) |
7920ce38 | 1412 | . (bfd *, void *, void *); |
252b5132 | 1413 | . |
dc810e39 | 1414 | . unsigned int (*_bfd_coff_swap_lineno_out) |
7920ce38 | 1415 | . (bfd *, void *, void *); |
252b5132 | 1416 | . |
dc810e39 | 1417 | . unsigned int (*_bfd_coff_swap_reloc_out) |
7920ce38 | 1418 | . (bfd *, void *, void *); |
252b5132 | 1419 | . |
dc810e39 | 1420 | . unsigned int (*_bfd_coff_swap_filehdr_out) |
7920ce38 | 1421 | . (bfd *, void *, void *); |
252b5132 | 1422 | . |
dc810e39 | 1423 | . unsigned int (*_bfd_coff_swap_aouthdr_out) |
7920ce38 | 1424 | . (bfd *, void *, void *); |
252b5132 | 1425 | . |
dc810e39 | 1426 | . unsigned int (*_bfd_coff_swap_scnhdr_out) |
7920ce38 | 1427 | . (bfd *, void *, void *); |
252b5132 | 1428 | . |
dc810e39 AM |
1429 | . unsigned int _bfd_filhsz; |
1430 | . unsigned int _bfd_aoutsz; | |
1431 | . unsigned int _bfd_scnhsz; | |
1432 | . unsigned int _bfd_symesz; | |
1433 | . unsigned int _bfd_auxesz; | |
1434 | . unsigned int _bfd_relsz; | |
1435 | . unsigned int _bfd_linesz; | |
1436 | . unsigned int _bfd_filnmlen; | |
0a1b45a2 | 1437 | . bool _bfd_coff_long_filenames; |
88183869 | 1438 | . |
0a1b45a2 AM |
1439 | . bool _bfd_coff_long_section_names; |
1440 | . bool (*_bfd_coff_set_long_section_names) | |
88183869 | 1441 | . (bfd *, int); |
68ffbac6 | 1442 | . |
dc810e39 | 1443 | . unsigned int _bfd_coff_default_section_alignment_power; |
0a1b45a2 | 1444 | . bool _bfd_coff_force_symnames_in_strings; |
dc810e39 | 1445 | . unsigned int _bfd_coff_debug_string_prefix_length; |
167ad85b | 1446 | . unsigned int _bfd_coff_max_nscns; |
dc810e39 AM |
1447 | . |
1448 | . void (*_bfd_coff_swap_filehdr_in) | |
7920ce38 | 1449 | . (bfd *, void *, void *); |
dc810e39 AM |
1450 | . |
1451 | . void (*_bfd_coff_swap_aouthdr_in) | |
7920ce38 | 1452 | . (bfd *, void *, void *); |
dc810e39 AM |
1453 | . |
1454 | . void (*_bfd_coff_swap_scnhdr_in) | |
7920ce38 | 1455 | . (bfd *, void *, void *); |
dc810e39 AM |
1456 | . |
1457 | . void (*_bfd_coff_swap_reloc_in) | |
7920ce38 | 1458 | . (bfd *abfd, void *, void *); |
dc810e39 | 1459 | . |
0a1b45a2 | 1460 | . bool (*_bfd_coff_bad_format_hook) |
7920ce38 | 1461 | . (bfd *, void *); |
dc810e39 | 1462 | . |
0a1b45a2 | 1463 | . bool (*_bfd_coff_set_arch_mach_hook) |
7920ce38 | 1464 | . (bfd *, void *); |
dc810e39 | 1465 | . |
7920ce38 NC |
1466 | . void * (*_bfd_coff_mkobject_hook) |
1467 | . (bfd *, void *, void *); | |
dc810e39 | 1468 | . |
0a1b45a2 | 1469 | . bool (*_bfd_styp_to_sec_flags_hook) |
7920ce38 | 1470 | . (bfd *, void *, const char *, asection *, flagword *); |
dc810e39 AM |
1471 | . |
1472 | . void (*_bfd_set_alignment_hook) | |
7920ce38 | 1473 | . (bfd *, asection *, void *); |
dc810e39 | 1474 | . |
0a1b45a2 | 1475 | . bool (*_bfd_coff_slurp_symbol_table) |
7920ce38 | 1476 | . (bfd *); |
dc810e39 | 1477 | . |
0a1b45a2 | 1478 | . bool (*_bfd_coff_symname_in_debug) |
7920ce38 | 1479 | . (bfd *, struct internal_syment *); |
dc810e39 | 1480 | . |
0a1b45a2 | 1481 | . bool (*_bfd_coff_pointerize_aux_hook) |
7920ce38 | 1482 | . (bfd *, combined_entry_type *, combined_entry_type *, |
07d6d2b8 | 1483 | . unsigned int, combined_entry_type *); |
dc810e39 | 1484 | . |
0a1b45a2 | 1485 | . bool (*_bfd_coff_print_aux) |
7920ce38 | 1486 | . (bfd *, FILE *, combined_entry_type *, combined_entry_type *, |
07d6d2b8 | 1487 | . combined_entry_type *, unsigned int); |
dc810e39 | 1488 | . |
d64c8f71 | 1489 | . bool (*_bfd_coff_reloc16_extra_cases) |
7920ce38 | 1490 | . (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, |
d64c8f71 | 1491 | . bfd_byte *, size_t *, size_t *); |
dc810e39 AM |
1492 | . |
1493 | . int (*_bfd_coff_reloc16_estimate) | |
7920ce38 | 1494 | . (bfd *, asection *, arelent *, unsigned int, |
07d6d2b8 | 1495 | . struct bfd_link_info *); |
dc810e39 AM |
1496 | . |
1497 | . enum coff_symbol_classification (*_bfd_coff_classify_symbol) | |
7920ce38 | 1498 | . (bfd *, struct internal_syment *); |
dc810e39 | 1499 | . |
0a1b45a2 | 1500 | . bool (*_bfd_coff_compute_section_file_positions) |
7920ce38 | 1501 | . (bfd *); |
252b5132 | 1502 | . |
0a1b45a2 | 1503 | . bool (*_bfd_coff_start_final_link) |
7920ce38 | 1504 | . (bfd *, struct bfd_link_info *); |
dc810e39 | 1505 | . |
0a1b45a2 | 1506 | . bool (*_bfd_coff_relocate_section) |
7920ce38 | 1507 | . (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
07d6d2b8 | 1508 | . struct internal_reloc *, struct internal_syment *, asection **); |
dc810e39 AM |
1509 | . |
1510 | . reloc_howto_type *(*_bfd_coff_rtype_to_howto) | |
7920ce38 | 1511 | . (bfd *, asection *, struct internal_reloc *, |
07d6d2b8 | 1512 | . struct coff_link_hash_entry *, struct internal_syment *, bfd_vma *); |
dc810e39 | 1513 | . |
0a1b45a2 | 1514 | . bool (*_bfd_coff_adjust_symndx) |
7920ce38 | 1515 | . (bfd *, struct bfd_link_info *, bfd *, asection *, |
0a1b45a2 | 1516 | . struct internal_reloc *, bool *); |
dc810e39 | 1517 | . |
0a1b45a2 | 1518 | . bool (*_bfd_coff_link_add_one_symbol) |
7920ce38 | 1519 | . (struct bfd_link_info *, bfd *, const char *, flagword, |
0a1b45a2 | 1520 | . asection *, bfd_vma, const char *, bool, bool, |
07d6d2b8 | 1521 | . struct bfd_link_hash_entry **); |
dc810e39 | 1522 | . |
0a1b45a2 | 1523 | . bool (*_bfd_coff_link_output_has_begun) |
7920ce38 | 1524 | . (bfd *, struct coff_final_link_info *); |
dc810e39 | 1525 | . |
0a1b45a2 | 1526 | . bool (*_bfd_coff_final_link_postscript) |
7920ce38 | 1527 | . (bfd *, struct coff_final_link_info *); |
252b5132 | 1528 | . |
0a1b45a2 | 1529 | . bool (*_bfd_coff_print_pdata) |
2b5c217d NC |
1530 | . (bfd *, void *); |
1531 | . | |
252b5132 RH |
1532 | .} bfd_coff_backend_data; |
1533 | . | |
717d4bd6 AM |
1534 | |
1535 | INTERNAL | |
dc810e39 | 1536 | .#define coff_backend_info(abfd) \ |
22a95e1a | 1537 | . ((const bfd_coff_backend_data *) (abfd)->xvec->backend_data) |
252b5132 RH |
1538 | . |
1539 | .#define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ | |
dc810e39 | 1540 | . ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) |
252b5132 RH |
1541 | . |
1542 | .#define bfd_coff_swap_sym_in(a,e,i) \ | |
dc810e39 | 1543 | . ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) |
252b5132 RH |
1544 | . |
1545 | .#define bfd_coff_swap_lineno_in(a,e,i) \ | |
dc810e39 | 1546 | . ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) |
252b5132 RH |
1547 | . |
1548 | .#define bfd_coff_swap_reloc_out(abfd, i, o) \ | |
dc810e39 | 1549 | . ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) |
252b5132 RH |
1550 | . |
1551 | .#define bfd_coff_swap_lineno_out(abfd, i, o) \ | |
dc810e39 | 1552 | . ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) |
252b5132 RH |
1553 | . |
1554 | .#define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ | |
dc810e39 | 1555 | . ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) |
252b5132 RH |
1556 | . |
1557 | .#define bfd_coff_swap_sym_out(abfd, i,o) \ | |
dc810e39 | 1558 | . ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) |
252b5132 RH |
1559 | . |
1560 | .#define bfd_coff_swap_scnhdr_out(abfd, i,o) \ | |
dc810e39 | 1561 | . ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) |
252b5132 RH |
1562 | . |
1563 | .#define bfd_coff_swap_filehdr_out(abfd, i,o) \ | |
dc810e39 | 1564 | . ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) |
252b5132 RH |
1565 | . |
1566 | .#define bfd_coff_swap_aouthdr_out(abfd, i,o) \ | |
dc810e39 | 1567 | . ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) |
252b5132 RH |
1568 | . |
1569 | .#define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) | |
1570 | .#define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) | |
1571 | .#define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) | |
1572 | .#define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) | |
1573 | .#define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) | |
1574 | .#define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) | |
1575 | .#define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) | |
692b7d62 | 1576 | .#define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen) |
dc810e39 AM |
1577 | .#define bfd_coff_long_filenames(abfd) \ |
1578 | . (coff_backend_info (abfd)->_bfd_coff_long_filenames) | |
252b5132 | 1579 | .#define bfd_coff_long_section_names(abfd) \ |
22a95e1a | 1580 | . (coff_data (abfd)->long_section_names) |
88183869 DK |
1581 | .#define bfd_coff_set_long_section_names(abfd, enable) \ |
1582 | . ((coff_backend_info (abfd)->_bfd_coff_set_long_section_names) (abfd, enable)) | |
252b5132 | 1583 | .#define bfd_coff_default_section_alignment_power(abfd) \ |
dc810e39 | 1584 | . (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) |
167ad85b TG |
1585 | .#define bfd_coff_max_nscns(abfd) \ |
1586 | . (coff_backend_info (abfd)->_bfd_coff_max_nscns) | |
1587 | . | |
252b5132 | 1588 | .#define bfd_coff_swap_filehdr_in(abfd, i,o) \ |
dc810e39 | 1589 | . ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) |
252b5132 RH |
1590 | . |
1591 | .#define bfd_coff_swap_aouthdr_in(abfd, i,o) \ | |
dc810e39 | 1592 | . ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) |
252b5132 RH |
1593 | . |
1594 | .#define bfd_coff_swap_scnhdr_in(abfd, i,o) \ | |
dc810e39 | 1595 | . ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) |
252b5132 RH |
1596 | . |
1597 | .#define bfd_coff_swap_reloc_in(abfd, i, o) \ | |
dc810e39 | 1598 | . ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) |
252b5132 RH |
1599 | . |
1600 | .#define bfd_coff_bad_format_hook(abfd, filehdr) \ | |
dc810e39 | 1601 | . ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) |
252b5132 RH |
1602 | . |
1603 | .#define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ | |
dc810e39 | 1604 | . ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) |
252b5132 | 1605 | .#define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ |
ed781d5d NC |
1606 | . ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\ |
1607 | . (abfd, filehdr, aouthdr)) | |
252b5132 | 1608 | . |
7c8ca0e4 | 1609 | .#define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\ |
dc810e39 AM |
1610 | . ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\ |
1611 | . (abfd, scnhdr, name, section, flags_ptr)) | |
252b5132 RH |
1612 | . |
1613 | .#define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ | |
dc810e39 | 1614 | . ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) |
252b5132 RH |
1615 | . |
1616 | .#define bfd_coff_slurp_symbol_table(abfd)\ | |
dc810e39 | 1617 | . ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) |
252b5132 RH |
1618 | . |
1619 | .#define bfd_coff_symname_in_debug(abfd, sym)\ | |
dc810e39 | 1620 | . ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) |
252b5132 | 1621 | . |
2243c419 | 1622 | .#define bfd_coff_force_symnames_in_strings(abfd)\ |
dc810e39 | 1623 | . (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings) |
2243c419 CP |
1624 | . |
1625 | .#define bfd_coff_debug_string_prefix_length(abfd)\ | |
dc810e39 | 1626 | . (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length) |
2243c419 | 1627 | . |
252b5132 | 1628 | .#define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ |
dc810e39 AM |
1629 | . ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ |
1630 | . (abfd, file, base, symbol, aux, indaux)) | |
252b5132 | 1631 | . |
ed781d5d | 1632 | .#define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\ |
07d6d2b8 | 1633 | . reloc, data, src_ptr, dst_ptr)\ |
dc810e39 AM |
1634 | . ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ |
1635 | . (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) | |
252b5132 RH |
1636 | . |
1637 | .#define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ | |
dc810e39 AM |
1638 | . ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ |
1639 | . (abfd, section, reloc, shrink, link_info)) | |
252b5132 | 1640 | . |
5d54c628 | 1641 | .#define bfd_coff_classify_symbol(abfd, sym)\ |
dc810e39 AM |
1642 | . ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\ |
1643 | . (abfd, sym)) | |
252b5132 RH |
1644 | . |
1645 | .#define bfd_coff_compute_section_file_positions(abfd)\ | |
dc810e39 AM |
1646 | . ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ |
1647 | . (abfd)) | |
252b5132 RH |
1648 | . |
1649 | .#define bfd_coff_start_final_link(obfd, info)\ | |
dc810e39 AM |
1650 | . ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ |
1651 | . (obfd, info)) | |
252b5132 | 1652 | .#define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ |
dc810e39 AM |
1653 | . ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ |
1654 | . (obfd, info, ibfd, o, con, rel, isyms, secs)) | |
252b5132 | 1655 | .#define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ |
dc810e39 AM |
1656 | . ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ |
1657 | . (abfd, sec, rel, h, sym, addendp)) | |
252b5132 | 1658 | .#define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ |
dc810e39 AM |
1659 | . ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ |
1660 | . (obfd, info, ibfd, sec, rel, adjustedp)) | |
ed781d5d | 1661 | .#define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\ |
07d6d2b8 | 1662 | . value, string, cp, coll, hashp)\ |
dc810e39 AM |
1663 | . ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ |
1664 | . (info, abfd, name, flags, section, value, string, cp, coll, hashp)) | |
252b5132 RH |
1665 | . |
1666 | .#define bfd_coff_link_output_has_begun(a,p) \ | |
7920ce38 | 1667 | . ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p)) |
252b5132 | 1668 | .#define bfd_coff_final_link_postscript(a,p) \ |
7920ce38 | 1669 | . ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p)) |
252b5132 | 1670 | . |
2b5c217d NC |
1671 | .#define bfd_coff_have_print_pdata(a) \ |
1672 | . (coff_backend_info (a)->_bfd_coff_print_pdata) | |
1673 | .#define bfd_coff_print_pdata(a,p) \ | |
1674 | . ((coff_backend_info (a)->_bfd_coff_print_pdata) (a, p)) | |
1675 | . | |
92dd4511 L |
1676 | .{* Macro: Returns true if the bfd is a PE executable as opposed to a |
1677 | . PE object file. *} | |
1678 | .#define bfd_pei_p(abfd) \ | |
08dedd66 | 1679 | . (startswith ((abfd)->xvec->name, "pei-")) |
252b5132 RH |
1680 | */ |
1681 | ||
1682 | /* See whether the magic number matches. */ | |
1683 | ||
0a1b45a2 | 1684 | static bool |
7920ce38 | 1685 | coff_bad_format_hook (bfd * abfd ATTRIBUTE_UNUSED, void * filehdr) |
252b5132 RH |
1686 | { |
1687 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
1688 | ||
1689 | if (BADMAG (*internal_f)) | |
0a1b45a2 | 1690 | return false; |
252b5132 | 1691 | |
0a1b45a2 | 1692 | return true; |
252b5132 RH |
1693 | } |
1694 | ||
5a5b9651 | 1695 | #ifdef TICOFF |
0a1b45a2 | 1696 | static bool |
7920ce38 | 1697 | ticoff0_bad_format_hook (bfd *abfd ATTRIBUTE_UNUSED, void * filehdr) |
5a5b9651 SS |
1698 | { |
1699 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
1700 | ||
1701 | if (COFF0_BADMAG (*internal_f)) | |
0a1b45a2 | 1702 | return false; |
5a5b9651 | 1703 | |
0a1b45a2 | 1704 | return true; |
5a5b9651 SS |
1705 | } |
1706 | #endif | |
1707 | ||
1708 | #ifdef TICOFF | |
0a1b45a2 | 1709 | static bool |
7920ce38 | 1710 | ticoff1_bad_format_hook (bfd *abfd ATTRIBUTE_UNUSED, void * filehdr) |
5a5b9651 SS |
1711 | { |
1712 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
1713 | ||
1714 | if (COFF1_BADMAG (*internal_f)) | |
0a1b45a2 | 1715 | return false; |
5a5b9651 | 1716 | |
0a1b45a2 | 1717 | return true; |
5a5b9651 SS |
1718 | } |
1719 | #endif | |
1720 | ||
5dccc1dd ILT |
1721 | /* Check whether this section uses an alignment other than the |
1722 | default. */ | |
1723 | ||
1724 | static void | |
7920ce38 NC |
1725 | coff_set_custom_section_alignment (bfd *abfd ATTRIBUTE_UNUSED, |
1726 | asection *section, | |
1727 | const struct coff_section_alignment_entry *alignment_table, | |
1728 | const unsigned int table_size) | |
5dccc1dd ILT |
1729 | { |
1730 | const unsigned int default_alignment = COFF_DEFAULT_SECTION_ALIGNMENT_POWER; | |
1731 | unsigned int i; | |
1732 | ||
1733 | for (i = 0; i < table_size; ++i) | |
1734 | { | |
fd361982 | 1735 | const char *secname = bfd_section_name (section); |
ed781d5d | 1736 | |
5dccc1dd ILT |
1737 | if (alignment_table[i].comparison_length == (unsigned int) -1 |
1738 | ? strcmp (alignment_table[i].name, secname) == 0 | |
1739 | : strncmp (alignment_table[i].name, secname, | |
1740 | alignment_table[i].comparison_length) == 0) | |
1741 | break; | |
1742 | } | |
1743 | if (i >= table_size) | |
1744 | return; | |
1745 | ||
1746 | if (alignment_table[i].default_alignment_min != COFF_ALIGNMENT_FIELD_EMPTY | |
1747 | && default_alignment < alignment_table[i].default_alignment_min) | |
1748 | return; | |
1749 | ||
1750 | if (alignment_table[i].default_alignment_max != COFF_ALIGNMENT_FIELD_EMPTY | |
1e738b87 NC |
1751 | #if COFF_DEFAULT_SECTION_ALIGNMENT_POWER != 0 |
1752 | && default_alignment > alignment_table[i].default_alignment_max | |
1753 | #endif | |
1754 | ) | |
5dccc1dd ILT |
1755 | return; |
1756 | ||
1757 | section->alignment_power = alignment_table[i].alignment_power; | |
1758 | } | |
1759 | ||
1760 | /* Custom section alignment records. */ | |
1761 | ||
1762 | static const struct coff_section_alignment_entry | |
1763 | coff_section_alignment_table[] = | |
1764 | { | |
1765 | #ifdef COFF_SECTION_ALIGNMENT_ENTRIES | |
1766 | COFF_SECTION_ALIGNMENT_ENTRIES, | |
1767 | #endif | |
1768 | /* There must not be any gaps between .stabstr sections. */ | |
1769 | { COFF_SECTION_NAME_PARTIAL_MATCH (".stabstr"), | |
1770 | 1, COFF_ALIGNMENT_FIELD_EMPTY, 0 }, | |
1771 | /* The .stab section must be aligned to 2**2 at most, to avoid gaps. */ | |
1772 | { COFF_SECTION_NAME_PARTIAL_MATCH (".stab"), | |
1773 | 3, COFF_ALIGNMENT_FIELD_EMPTY, 2 }, | |
1774 | /* Similarly for the .ctors and .dtors sections. */ | |
1775 | { COFF_SECTION_NAME_EXACT_MATCH (".ctors"), | |
1776 | 3, COFF_ALIGNMENT_FIELD_EMPTY, 2 }, | |
1777 | { COFF_SECTION_NAME_EXACT_MATCH (".dtors"), | |
1778 | 3, COFF_ALIGNMENT_FIELD_EMPTY, 2 } | |
1779 | }; | |
1780 | ||
1781 | static const unsigned int coff_section_alignment_table_size = | |
1782 | sizeof coff_section_alignment_table / sizeof coff_section_alignment_table[0]; | |
1783 | ||
1784 | /* Initialize a section structure with information peculiar to this | |
1785 | particular implementation of COFF. */ | |
252b5132 | 1786 | |
0a1b45a2 | 1787 | static bool |
7920ce38 | 1788 | coff_new_section_hook (bfd * abfd, asection * section) |
252b5132 RH |
1789 | { |
1790 | combined_entry_type *native; | |
986f0783 | 1791 | size_t amt; |
85645aed | 1792 | unsigned char sclass = C_STAT; |
252b5132 RH |
1793 | |
1794 | section->alignment_power = COFF_DEFAULT_SECTION_ALIGNMENT_POWER; | |
1795 | ||
1796 | #ifdef RS6000COFF_C | |
eb1e0e80 | 1797 | if (bfd_xcoff_text_align_power (abfd) != 0 |
fd361982 | 1798 | && strcmp (bfd_section_name (section), ".text") == 0) |
eb1e0e80 | 1799 | section->alignment_power = bfd_xcoff_text_align_power (abfd); |
85645aed | 1800 | else if (bfd_xcoff_data_align_power (abfd) != 0 |
fd361982 | 1801 | && strcmp (bfd_section_name (section), ".data") == 0) |
eb1e0e80 | 1802 | section->alignment_power = bfd_xcoff_data_align_power (abfd); |
85645aed TG |
1803 | else |
1804 | { | |
1805 | int i; | |
1806 | ||
1807 | for (i = 0; i < XCOFF_DWSECT_NBR_NAMES; i++) | |
fd361982 | 1808 | if (strcmp (bfd_section_name (section), |
51d29b8c | 1809 | xcoff_dwsect_names[i].xcoff_name) == 0) |
07d6d2b8 AM |
1810 | { |
1811 | section->alignment_power = 0; | |
1812 | sclass = C_DWARF; | |
1813 | break; | |
1814 | } | |
85645aed | 1815 | } |
252b5132 RH |
1816 | #endif |
1817 | ||
f592407e AM |
1818 | /* Set up the section symbol. */ |
1819 | if (!_bfd_generic_new_section_hook (abfd, section)) | |
0a1b45a2 | 1820 | return false; |
f592407e | 1821 | |
252b5132 RH |
1822 | /* Allocate aux records for section symbols, to store size and |
1823 | related info. | |
1824 | ||
1825 | @@ The 10 is a guess at a plausible maximum number of aux entries | |
1826 | (but shouldn't be a constant). */ | |
dc810e39 | 1827 | amt = sizeof (combined_entry_type) * 10; |
a50b1753 | 1828 | native = (combined_entry_type *) bfd_zalloc (abfd, amt); |
252b5132 | 1829 | if (native == NULL) |
0a1b45a2 | 1830 | return false; |
252b5132 RH |
1831 | |
1832 | /* We don't need to set up n_name, n_value, or n_scnum in the native | |
5c4491d3 | 1833 | symbol information, since they'll be overridden by the BFD symbol |
252b5132 RH |
1834 | anyhow. However, we do need to set the type and storage class, |
1835 | in case this symbol winds up getting written out. The value 0 | |
1836 | for n_numaux is already correct. */ | |
1837 | ||
0a1b45a2 | 1838 | native->is_sym = true; |
252b5132 | 1839 | native->u.syment.n_type = T_NULL; |
85645aed | 1840 | native->u.syment.n_sclass = sclass; |
252b5132 RH |
1841 | |
1842 | coffsymbol (section->symbol)->native = native; | |
1843 | ||
5dccc1dd ILT |
1844 | coff_set_custom_section_alignment (abfd, section, |
1845 | coff_section_alignment_table, | |
1846 | coff_section_alignment_table_size); | |
252b5132 | 1847 | |
0a1b45a2 | 1848 | return true; |
252b5132 RH |
1849 | } |
1850 | ||
1851 | #ifdef COFF_ALIGN_IN_SECTION_HEADER | |
1852 | ||
1853 | /* Set the alignment of a BFD section. */ | |
1854 | ||
252b5132 | 1855 | static void |
7920ce38 NC |
1856 | coff_set_alignment_hook (bfd * abfd ATTRIBUTE_UNUSED, |
1857 | asection * section, | |
1858 | void * scnhdr) | |
252b5132 RH |
1859 | { |
1860 | struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr; | |
1861 | unsigned int i; | |
1862 | ||
81635ce4 TW |
1863 | #ifdef COFF_DECODE_ALIGNMENT |
1864 | i = COFF_DECODE_ALIGNMENT(hdr->s_flags); | |
252b5132 RH |
1865 | #endif |
1866 | section->alignment_power = i; | |
b9af77f5 TW |
1867 | |
1868 | #ifdef coff_set_section_load_page | |
1869 | coff_set_section_load_page (section, hdr->s_page); | |
1870 | #endif | |
252b5132 RH |
1871 | } |
1872 | ||
1873 | #else /* ! COFF_ALIGN_IN_SECTION_HEADER */ | |
1874 | #ifdef COFF_WITH_PE | |
1875 | ||
252b5132 | 1876 | static void |
7920ce38 NC |
1877 | coff_set_alignment_hook (bfd * abfd ATTRIBUTE_UNUSED, |
1878 | asection * section, | |
1879 | void * scnhdr) | |
252b5132 RH |
1880 | { |
1881 | struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr; | |
986f0783 | 1882 | size_t amt; |
bd33be6e L |
1883 | unsigned int alignment_power_const |
1884 | = hdr->s_flags & IMAGE_SCN_ALIGN_POWER_BIT_MASK; | |
252b5132 | 1885 | |
bd33be6e L |
1886 | switch (alignment_power_const) |
1887 | { | |
1888 | case IMAGE_SCN_ALIGN_8192BYTES: | |
1889 | case IMAGE_SCN_ALIGN_4096BYTES: | |
1890 | case IMAGE_SCN_ALIGN_2048BYTES: | |
1891 | case IMAGE_SCN_ALIGN_1024BYTES: | |
1892 | case IMAGE_SCN_ALIGN_512BYTES: | |
1893 | case IMAGE_SCN_ALIGN_256BYTES: | |
1894 | case IMAGE_SCN_ALIGN_128BYTES: | |
1895 | case IMAGE_SCN_ALIGN_64BYTES: | |
1896 | case IMAGE_SCN_ALIGN_32BYTES: | |
1897 | case IMAGE_SCN_ALIGN_16BYTES: | |
1898 | case IMAGE_SCN_ALIGN_8BYTES: | |
1899 | case IMAGE_SCN_ALIGN_4BYTES: | |
1900 | case IMAGE_SCN_ALIGN_2BYTES: | |
1901 | case IMAGE_SCN_ALIGN_1BYTES: | |
1902 | section->alignment_power | |
1903 | = IMAGE_SCN_ALIGN_POWER_NUM (alignment_power_const); | |
1904 | break; | |
1905 | default: | |
1906 | break; | |
1907 | } | |
252b5132 | 1908 | |
252b5132 | 1909 | /* In a PE image file, the s_paddr field holds the virtual size of a |
8d3ad4e1 ILT |
1910 | section, while the s_size field holds the raw size. We also keep |
1911 | the original section flag value, since not every bit can be | |
1912 | mapped onto a generic BFD section bit. */ | |
1913 | if (coff_section_data (abfd, section) == NULL) | |
252b5132 | 1914 | { |
dc810e39 | 1915 | amt = sizeof (struct coff_section_tdata); |
7920ce38 | 1916 | section->used_by_bfd = bfd_zalloc (abfd, amt); |
8d3ad4e1 | 1917 | if (section->used_by_bfd == NULL) |
7920ce38 NC |
1918 | /* FIXME: Return error. */ |
1919 | abort (); | |
8d3ad4e1 | 1920 | } |
7920ce38 | 1921 | |
8d3ad4e1 ILT |
1922 | if (pei_section_data (abfd, section) == NULL) |
1923 | { | |
dc810e39 | 1924 | amt = sizeof (struct pei_section_tdata); |
7920ce38 | 1925 | coff_section_data (abfd, section)->tdata = bfd_zalloc (abfd, amt); |
8d3ad4e1 | 1926 | if (coff_section_data (abfd, section)->tdata == NULL) |
7920ce38 NC |
1927 | /* FIXME: Return error. */ |
1928 | abort (); | |
252b5132 | 1929 | } |
8d3ad4e1 ILT |
1930 | pei_section_data (abfd, section)->virt_size = hdr->s_paddr; |
1931 | pei_section_data (abfd, section)->pe_flags = hdr->s_flags; | |
252b5132 | 1932 | |
9d8cefa9 | 1933 | section->lma = hdr->s_vaddr; |
3e4554a2 | 1934 | |
ed781d5d | 1935 | /* Check for extended relocs. */ |
3e4554a2 DD |
1936 | if (hdr->s_flags & IMAGE_SCN_LNK_NRELOC_OVFL) |
1937 | { | |
1938 | struct external_reloc dst; | |
57f3d89e | 1939 | struct internal_reloc n; |
dc810e39 | 1940 | file_ptr oldpos = bfd_tell (abfd); |
cd339148 | 1941 | bfd_size_type relsz = bfd_coff_relsz (abfd); |
46f2f11d | 1942 | |
226f9f4f | 1943 | if (bfd_seek (abfd, hdr->s_relptr, 0) != 0) |
b42adabf | 1944 | return; |
226f9f4f | 1945 | if (bfd_read (& dst, relsz, abfd) != relsz) |
3e4554a2 | 1946 | return; |
e60b52c6 | 1947 | |
1ed0032b | 1948 | bfd_coff_swap_reloc_in (abfd, &dst, &n); |
b42adabf NC |
1949 | if (bfd_seek (abfd, oldpos, 0) != 0) |
1950 | return; | |
29daccc9 | 1951 | if (n.r_vaddr < 0x10000) |
6329d1e1 AM |
1952 | { |
1953 | _bfd_error_handler (_("%pB: overflow reloc count too small"), abfd); | |
1954 | bfd_set_error (bfd_error_bad_value); | |
1955 | return; | |
1956 | } | |
cd339148 NS |
1957 | section->reloc_count = hdr->s_nreloc = n.r_vaddr - 1; |
1958 | section->rel_filepos += relsz; | |
3e4554a2 | 1959 | } |
cd339148 | 1960 | else if (hdr->s_nreloc == 0xffff) |
4eca0228 | 1961 | _bfd_error_handler |
871b3ab2 | 1962 | (_("%pB: warning: claims to have 0xffff relocs, without overflow"), |
dae82561 | 1963 | abfd); |
252b5132 RH |
1964 | } |
1965 | #undef ALIGN_SET | |
1966 | #undef ELIFALIGN_SET | |
1967 | ||
1968 | #else /* ! COFF_WITH_PE */ | |
1969 | #ifdef RS6000COFF_C | |
1970 | ||
1971 | /* We grossly abuse this function to handle XCOFF overflow headers. | |
1972 | When we see one, we correct the reloc and line number counts in the | |
1973 | real header, and remove the section we just created. */ | |
1974 | ||
252b5132 | 1975 | static void |
7920ce38 | 1976 | coff_set_alignment_hook (bfd *abfd, asection *section, void * scnhdr) |
252b5132 RH |
1977 | { |
1978 | struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr; | |
1979 | asection *real_sec; | |
252b5132 RH |
1980 | |
1981 | if ((hdr->s_flags & STYP_OVRFLO) == 0) | |
1982 | return; | |
1983 | ||
dc810e39 | 1984 | real_sec = coff_section_from_bfd_index (abfd, (int) hdr->s_nreloc); |
252b5132 RH |
1985 | if (real_sec == NULL) |
1986 | return; | |
1987 | ||
1988 | real_sec->reloc_count = hdr->s_paddr; | |
1989 | real_sec->lineno_count = hdr->s_vaddr; | |
1990 | ||
5daa8fe7 | 1991 | if (!bfd_section_removed_from_list (abfd, section)) |
252b5132 | 1992 | { |
5daa8fe7 L |
1993 | bfd_section_list_remove (abfd, section); |
1994 | --abfd->section_count; | |
252b5132 RH |
1995 | } |
1996 | } | |
1997 | ||
1998 | #else /* ! RS6000COFF_C */ | |
f717994f JMG |
1999 | #if defined (COFF_GO32_EXE) || defined (COFF_GO32) |
2000 | ||
2001 | static void | |
2002 | coff_set_alignment_hook (bfd * abfd, asection * section, void * scnhdr) | |
2003 | { | |
2004 | struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr; | |
2005 | ||
2006 | /* Check for extended relocs. */ | |
2007 | if (hdr->s_flags & IMAGE_SCN_LNK_NRELOC_OVFL) | |
2008 | { | |
2009 | struct external_reloc dst; | |
2010 | struct internal_reloc n; | |
2011 | const file_ptr oldpos = bfd_tell (abfd); | |
2012 | const bfd_size_type relsz = bfd_coff_relsz (abfd); | |
2013 | ||
226f9f4f | 2014 | if (bfd_seek (abfd, hdr->s_relptr, 0) != 0) |
f717994f | 2015 | return; |
226f9f4f | 2016 | if (bfd_read (& dst, relsz, abfd) != relsz) |
f717994f JMG |
2017 | return; |
2018 | ||
1ed0032b | 2019 | bfd_coff_swap_reloc_in (abfd, &dst, &n); |
f717994f JMG |
2020 | if (bfd_seek (abfd, oldpos, 0) != 0) |
2021 | return; | |
2022 | section->reloc_count = hdr->s_nreloc = n.r_vaddr - 1; | |
2023 | section->rel_filepos += relsz; | |
2024 | } | |
2025 | else if (hdr->s_nreloc == 0xffff) | |
2026 | _bfd_error_handler | |
2027 | (_("%pB: warning: claims to have 0xffff relocs, without overflow"), | |
2028 | abfd); | |
2029 | } | |
2030 | ||
2031 | #else /* ! COFF_GO32_EXE && ! COFF_GO32 */ | |
252b5132 | 2032 | |
d00dd7dc AM |
2033 | static void |
2034 | coff_set_alignment_hook (bfd *abfd ATTRIBUTE_UNUSED, | |
2035 | asection *section ATTRIBUTE_UNUSED, | |
2036 | void *scnhdr ATTRIBUTE_UNUSED) | |
2037 | { | |
2038 | } | |
252b5132 | 2039 | |
f717994f | 2040 | #endif /* ! COFF_GO32_EXE && ! COFF_GO32 */ |
252b5132 RH |
2041 | #endif /* ! RS6000COFF_C */ |
2042 | #endif /* ! COFF_WITH_PE */ | |
2043 | #endif /* ! COFF_ALIGN_IN_SECTION_HEADER */ | |
2044 | ||
2045 | #ifndef coff_mkobject | |
2046 | ||
0a1b45a2 | 2047 | static bool |
7920ce38 | 2048 | coff_mkobject (bfd * abfd) |
252b5132 RH |
2049 | { |
2050 | coff_data_type *coff; | |
986f0783 | 2051 | size_t amt = sizeof (coff_data_type); |
252b5132 | 2052 | |
7920ce38 NC |
2053 | abfd->tdata.coff_obj_data = bfd_zalloc (abfd, amt); |
2054 | if (abfd->tdata.coff_obj_data == NULL) | |
0a1b45a2 | 2055 | return false; |
0e759f23 | 2056 | |
252b5132 | 2057 | coff = coff_data (abfd); |
7920ce38 NC |
2058 | coff->symbols = NULL; |
2059 | coff->conversion_table = NULL; | |
2060 | coff->raw_syments = NULL; | |
252b5132 RH |
2061 | coff->relocbase = 0; |
2062 | coff->local_toc_sym_map = 0; | |
2063 | ||
22a95e1a AM |
2064 | bfd_coff_long_section_names (abfd) |
2065 | = coff_backend_info (abfd)->_bfd_coff_long_section_names; | |
2066 | ||
252b5132 RH |
2067 | /* make_abs_section(abfd);*/ |
2068 | ||
0a1b45a2 | 2069 | return true; |
252b5132 RH |
2070 | } |
2071 | #endif | |
2072 | ||
2073 | /* Create the COFF backend specific information. */ | |
ed781d5d | 2074 | |
252b5132 | 2075 | #ifndef coff_mkobject_hook |
7920ce38 NC |
2076 | static void * |
2077 | coff_mkobject_hook (bfd * abfd, | |
2078 | void * filehdr, | |
2079 | void * aouthdr ATTRIBUTE_UNUSED) | |
252b5132 RH |
2080 | { |
2081 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
2082 | coff_data_type *coff; | |
2083 | ||
82e51918 | 2084 | if (! coff_mkobject (abfd)) |
252b5132 RH |
2085 | return NULL; |
2086 | ||
2087 | coff = coff_data (abfd); | |
2088 | ||
2089 | coff->sym_filepos = internal_f->f_symptr; | |
2090 | ||
2091 | /* These members communicate important constants about the symbol | |
2092 | table to GDB's symbol-reading code. These `constants' | |
2093 | unfortunately vary among coff implementations... */ | |
2094 | coff->local_n_btmask = N_BTMASK; | |
2095 | coff->local_n_btshft = N_BTSHFT; | |
2096 | coff->local_n_tmask = N_TMASK; | |
2097 | coff->local_n_tshift = N_TSHIFT; | |
6b3b007b NC |
2098 | coff->local_symesz = bfd_coff_symesz (abfd); |
2099 | coff->local_auxesz = bfd_coff_auxesz (abfd); | |
2100 | coff->local_linesz = bfd_coff_linesz (abfd); | |
252b5132 | 2101 | |
1135238b ILT |
2102 | coff->timestamp = internal_f->f_timdat; |
2103 | ||
252b5132 RH |
2104 | obj_raw_syment_count (abfd) = |
2105 | obj_conv_table_size (abfd) = | |
2106 | internal_f->f_nsyms; | |
2107 | ||
2108 | #ifdef RS6000COFF_C | |
2109 | if ((internal_f->f_flags & F_SHROBJ) != 0) | |
2110 | abfd->flags |= DYNAMIC; | |
6b3b007b | 2111 | if (aouthdr != NULL && internal_f->f_opthdr >= bfd_coff_aoutsz (abfd)) |
252b5132 RH |
2112 | { |
2113 | struct internal_aouthdr *internal_a = | |
2114 | (struct internal_aouthdr *) aouthdr; | |
2115 | struct xcoff_tdata *xcoff; | |
2116 | ||
2117 | xcoff = xcoff_data (abfd); | |
a2fdf270 ND |
2118 | # ifdef U803XTOCMAGIC |
2119 | xcoff->xcoff64 = internal_f->f_magic == U803XTOCMAGIC; | |
2120 | # else | |
2121 | xcoff->xcoff64 = 0; | |
2122 | # endif | |
0a1b45a2 | 2123 | xcoff->full_aouthdr = true; |
252b5132 RH |
2124 | xcoff->toc = internal_a->o_toc; |
2125 | xcoff->sntoc = internal_a->o_sntoc; | |
2126 | xcoff->snentry = internal_a->o_snentry; | |
f3813499 TR |
2127 | bfd_xcoff_text_align_power (abfd) = internal_a->o_algntext; |
2128 | bfd_xcoff_data_align_power (abfd) = internal_a->o_algndata; | |
252b5132 RH |
2129 | xcoff->modtype = internal_a->o_modtype; |
2130 | xcoff->cputype = internal_a->o_cputype; | |
2131 | xcoff->maxdata = internal_a->o_maxdata; | |
2132 | xcoff->maxstack = internal_a->o_maxstack; | |
2133 | } | |
2134 | #endif | |
2135 | ||
e60b52c6 | 2136 | #ifdef ARM |
f13b834e | 2137 | /* Set the flags field from the COFF header read in. */ |
252b5132 RH |
2138 | if (! _bfd_coff_arm_set_private_flags (abfd, internal_f->f_flags)) |
2139 | coff->flags = 0; | |
2140 | #endif | |
e60b52c6 | 2141 | |
4cfec37b ILT |
2142 | #ifdef COFF_WITH_PE |
2143 | /* FIXME: I'm not sure this is ever executed, since peicode.h | |
2144 | defines coff_mkobject_hook. */ | |
2145 | if ((internal_f->f_flags & IMAGE_FILE_DEBUG_STRIPPED) == 0) | |
2146 | abfd->flags |= HAS_DEBUG; | |
2147 | #endif | |
2148 | ||
7920ce38 | 2149 | return coff; |
252b5132 RH |
2150 | } |
2151 | #endif | |
2152 | ||
2153 | /* Determine the machine architecture and type. FIXME: This is target | |
2154 | dependent because the magic numbers are defined in the target | |
2155 | dependent header files. But there is no particular need for this. | |
2156 | If the magic numbers were moved to a separate file, this function | |
2157 | would be target independent and would also be much more successful | |
2158 | at linking together COFF files for different architectures. */ | |
2159 | ||
0a1b45a2 | 2160 | static bool |
7920ce38 | 2161 | coff_set_arch_mach_hook (bfd *abfd, void * filehdr) |
252b5132 | 2162 | { |
dc810e39 | 2163 | unsigned long machine; |
252b5132 RH |
2164 | enum bfd_architecture arch; |
2165 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
2166 | ||
250d94fd | 2167 | /* Zero selects the default machine for an arch. */ |
252b5132 RH |
2168 | machine = 0; |
2169 | switch (internal_f->f_magic) | |
2170 | { | |
252b5132 RH |
2171 | #ifdef I386MAGIC |
2172 | case I386MAGIC: | |
2173 | case I386PTXMAGIC: | |
99ad8390 | 2174 | case I386AIXMAGIC: /* Danbury PS/2 AIX C Compiler. */ |
dc12032b | 2175 | case LYNXCOFFMAGIC: |
1dd1bc4d OM |
2176 | case I386_APPLE_MAGIC: |
2177 | case I386_FREEBSD_MAGIC: | |
2178 | case I386_LINUX_MAGIC: | |
2179 | case I386_NETBSD_MAGIC: | |
252b5132 | 2180 | arch = bfd_arch_i386; |
252b5132 RH |
2181 | break; |
2182 | #endif | |
99ad8390 NC |
2183 | #ifdef AMD64MAGIC |
2184 | case AMD64MAGIC: | |
1dd1bc4d OM |
2185 | case AMD64_APPLE_MAGIC: |
2186 | case AMD64_FREEBSD_MAGIC: | |
2187 | case AMD64_LINUX_MAGIC: | |
2188 | case AMD64_NETBSD_MAGIC: | |
99ad8390 NC |
2189 | arch = bfd_arch_i386; |
2190 | machine = bfd_mach_x86_64; | |
2191 | break; | |
2192 | #endif | |
fac41780 JW |
2193 | #ifdef IA64MAGIC |
2194 | case IA64MAGIC: | |
2195 | arch = bfd_arch_ia64; | |
fac41780 JW |
2196 | break; |
2197 | #endif | |
252b5132 RH |
2198 | #ifdef ARMMAGIC |
2199 | case ARMMAGIC: | |
17505c5c NC |
2200 | case ARMPEMAGIC: |
2201 | case THUMBPEMAGIC: | |
252b5132 | 2202 | arch = bfd_arch_arm; |
5a6c6817 NC |
2203 | machine = bfd_arm_get_mach_from_notes (abfd, ARM_NOTE_SECTION); |
2204 | if (machine == bfd_mach_arm_unknown) | |
252b5132 | 2205 | { |
5a6c6817 NC |
2206 | switch (internal_f->f_flags & F_ARM_ARCHITECTURE_MASK) |
2207 | { | |
2208 | case F_ARM_2: machine = bfd_mach_arm_2; break; | |
2209 | case F_ARM_2a: machine = bfd_mach_arm_2a; break; | |
2210 | case F_ARM_3: machine = bfd_mach_arm_3; break; | |
2211 | default: | |
2212 | case F_ARM_3M: machine = bfd_mach_arm_3M; break; | |
2213 | case F_ARM_4: machine = bfd_mach_arm_4; break; | |
2214 | case F_ARM_4T: machine = bfd_mach_arm_4T; break; | |
2215 | /* The COFF header does not have enough bits available | |
2216 | to cover all the different ARM architectures. So | |
2217 | we interpret F_ARM_5, the highest flag value to mean | |
2218 | "the highest ARM architecture known to BFD" which is | |
2219 | currently the XScale. */ | |
2220 | case F_ARM_5: machine = bfd_mach_arm_XScale; break; | |
2221 | } | |
252b5132 RH |
2222 | } |
2223 | break; | |
2224 | #endif | |
b69c9d41 TC |
2225 | #ifdef AARCH64MAGIC |
2226 | case AARCH64MAGIC: | |
2227 | arch = bfd_arch_aarch64; | |
2228 | machine = internal_f->f_flags & F_AARCH64_ARCHITECTURE_MASK; | |
2229 | break; | |
2230 | #endif | |
31f60095 YT |
2231 | #ifdef LOONGARCH64MAGIC |
2232 | case LOONGARCH64MAGIC: | |
2233 | arch = bfd_arch_loongarch; | |
2234 | machine = internal_f->f_flags & F_LOONGARCH64_ARCHITECTURE_MASK; | |
2235 | break; | |
2236 | #endif | |
3c9b82ba NC |
2237 | #ifdef Z80MAGIC |
2238 | case Z80MAGIC: | |
2239 | arch = bfd_arch_z80; | |
2240 | switch (internal_f->f_flags & F_MACHMASK) | |
2241 | { | |
3c9b82ba NC |
2242 | case bfd_mach_z80strict << 12: |
2243 | case bfd_mach_z80 << 12: | |
9fc0b501 | 2244 | case bfd_mach_z80n << 12: |
3c9b82ba NC |
2245 | case bfd_mach_z80full << 12: |
2246 | case bfd_mach_r800 << 12: | |
6655dba2 SB |
2247 | case bfd_mach_gbz80 << 12: |
2248 | case bfd_mach_z180 << 12: | |
2249 | case bfd_mach_ez80_z80 << 12: | |
2250 | case bfd_mach_ez80_adl << 12: | |
3c9b82ba NC |
2251 | machine = ((unsigned)internal_f->f_flags & F_MACHMASK) >> 12; |
2252 | break; | |
2253 | default: | |
0a1b45a2 | 2254 | return false; |
3c9b82ba NC |
2255 | } |
2256 | break; | |
2257 | #endif | |
252b5132 RH |
2258 | #ifdef Z8KMAGIC |
2259 | case Z8KMAGIC: | |
2260 | arch = bfd_arch_z8k; | |
2261 | switch (internal_f->f_flags & F_MACHMASK) | |
2262 | { | |
2263 | case F_Z8001: | |
2264 | machine = bfd_mach_z8001; | |
2265 | break; | |
2266 | case F_Z8002: | |
2267 | machine = bfd_mach_z8002; | |
2268 | break; | |
2269 | default: | |
0a1b45a2 | 2270 | return false; |
252b5132 RH |
2271 | } |
2272 | break; | |
2273 | #endif | |
252b5132 RH |
2274 | |
2275 | #ifdef RS6000COFF_C | |
7f6d05e8 | 2276 | #ifdef XCOFF64 |
eb1e0e80 | 2277 | case U64_TOCMAGIC: |
c6664dfb | 2278 | case U803XTOCMAGIC: |
7f6d05e8 | 2279 | #else |
252b5132 RH |
2280 | case U802ROMAGIC: |
2281 | case U802WRMAGIC: | |
2282 | case U802TOCMAGIC: | |
7f6d05e8 | 2283 | #endif |
252b5132 RH |
2284 | { |
2285 | int cputype; | |
2286 | ||
2287 | if (xcoff_data (abfd)->cputype != -1) | |
2288 | cputype = xcoff_data (abfd)->cputype & 0xff; | |
2289 | else | |
2290 | { | |
2291 | /* We did not get a value from the a.out header. If the | |
2292 | file has not been stripped, we may be able to get the | |
2293 | architecture information from the first symbol, if it | |
2294 | is a .file symbol. */ | |
2295 | if (obj_raw_syment_count (abfd) == 0) | |
2296 | cputype = 0; | |
2297 | else | |
2298 | { | |
5ea1af0d | 2299 | bfd_byte *buf; |
252b5132 | 2300 | struct internal_syment sym; |
dc810e39 | 2301 | bfd_size_type amt = bfd_coff_symesz (abfd); |
252b5132 | 2302 | |
2bb3687b | 2303 | if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0) |
0a1b45a2 | 2304 | return false; |
2bb3687b | 2305 | buf = _bfd_malloc_and_read (abfd, amt, amt); |
86eafac0 | 2306 | if (buf == NULL) |
0a1b45a2 | 2307 | return false; |
7920ce38 | 2308 | bfd_coff_swap_sym_in (abfd, buf, & sym); |
252b5132 RH |
2309 | if (sym.n_sclass == C_FILE) |
2310 | cputype = sym.n_type & 0xff; | |
2311 | else | |
2312 | cputype = 0; | |
2fca4467 | 2313 | free (buf); |
252b5132 RH |
2314 | } |
2315 | } | |
2316 | ||
2317 | /* FIXME: We don't handle all cases here. */ | |
2318 | switch (cputype) | |
2319 | { | |
2320 | default: | |
2321 | case 0: | |
beb1bf64 TR |
2322 | arch = bfd_xcoff_architecture (abfd); |
2323 | machine = bfd_xcoff_machine (abfd); | |
252b5132 RH |
2324 | break; |
2325 | ||
2326 | case 1: | |
2327 | arch = bfd_arch_powerpc; | |
87f33987 | 2328 | machine = bfd_mach_ppc_601; |
252b5132 RH |
2329 | break; |
2330 | case 2: /* 64 bit PowerPC */ | |
2331 | arch = bfd_arch_powerpc; | |
87f33987 | 2332 | machine = bfd_mach_ppc_620; |
252b5132 RH |
2333 | break; |
2334 | case 3: | |
2335 | arch = bfd_arch_powerpc; | |
87f33987 | 2336 | machine = bfd_mach_ppc; |
252b5132 RH |
2337 | break; |
2338 | case 4: | |
2339 | arch = bfd_arch_rs6000; | |
87f33987 | 2340 | machine = bfd_mach_rs6k; |
252b5132 RH |
2341 | break; |
2342 | } | |
2343 | } | |
2344 | break; | |
2345 | #endif | |
2346 | ||
252b5132 RH |
2347 | #ifdef SH_ARCH_MAGIC_BIG |
2348 | case SH_ARCH_MAGIC_BIG: | |
2349 | case SH_ARCH_MAGIC_LITTLE: | |
17505c5c NC |
2350 | #ifdef COFF_WITH_PE |
2351 | case SH_ARCH_MAGIC_WINCE: | |
2352 | #endif | |
252b5132 | 2353 | arch = bfd_arch_sh; |
252b5132 RH |
2354 | break; |
2355 | #endif | |
2356 | ||
17505c5c NC |
2357 | #ifdef MIPS_ARCH_MAGIC_WINCE |
2358 | case MIPS_ARCH_MAGIC_WINCE: | |
2359 | arch = bfd_arch_mips; | |
17505c5c NC |
2360 | break; |
2361 | #endif | |
2362 | ||
252b5132 RH |
2363 | #ifdef SPARCMAGIC |
2364 | case SPARCMAGIC: | |
2365 | #ifdef LYNXCOFFMAGIC | |
2366 | case LYNXCOFFMAGIC: | |
2367 | #endif | |
2368 | arch = bfd_arch_sparc; | |
252b5132 RH |
2369 | break; |
2370 | #endif | |
2371 | ||
2372 | #ifdef TIC30MAGIC | |
2373 | case TIC30MAGIC: | |
2374 | arch = bfd_arch_tic30; | |
2375 | break; | |
2376 | #endif | |
2377 | ||
81635ce4 TW |
2378 | #ifdef TICOFF0MAGIC |
2379 | #ifdef TICOFF_TARGET_ARCH | |
ed781d5d | 2380 | /* This TI COFF section should be used by all new TI COFF v0 targets. */ |
81635ce4 TW |
2381 | case TICOFF0MAGIC: |
2382 | arch = TICOFF_TARGET_ARCH; | |
0da35f8b | 2383 | machine = TICOFF_TARGET_MACHINE_GET (internal_f->f_flags); |
81635ce4 TW |
2384 | break; |
2385 | #endif | |
2386 | #endif | |
2387 | ||
2388 | #ifdef TICOFF1MAGIC | |
ed781d5d NC |
2389 | /* This TI COFF section should be used by all new TI COFF v1/2 targets. */ |
2390 | /* TI COFF1 and COFF2 use the target_id field to specify which arch. */ | |
81635ce4 TW |
2391 | case TICOFF1MAGIC: |
2392 | case TICOFF2MAGIC: | |
2393 | switch (internal_f->f_target_id) | |
46f2f11d | 2394 | { |
81635ce4 | 2395 | #ifdef TI_TARGET_ID |
46f2f11d AM |
2396 | case TI_TARGET_ID: |
2397 | arch = TICOFF_TARGET_ARCH; | |
0da35f8b | 2398 | machine = TICOFF_TARGET_MACHINE_GET (internal_f->f_flags); |
46f2f11d AM |
2399 | break; |
2400 | #endif | |
2401 | default: | |
2402 | arch = bfd_arch_obscure; | |
4eca0228 | 2403 | _bfd_error_handler |
59d08d6c | 2404 | (_("unrecognized TI COFF target id '0x%x'"), |
46f2f11d AM |
2405 | internal_f->f_target_id); |
2406 | break; | |
2407 | } | |
81635ce4 TW |
2408 | break; |
2409 | #endif | |
2410 | ||
252b5132 RH |
2411 | #ifdef MCOREMAGIC |
2412 | case MCOREMAGIC: | |
2413 | arch = bfd_arch_mcore; | |
2414 | break; | |
2415 | #endif | |
c8e48751 | 2416 | |
ed781d5d | 2417 | default: /* Unreadable input file type. */ |
252b5132 RH |
2418 | arch = bfd_arch_obscure; |
2419 | break; | |
2420 | } | |
2421 | ||
2422 | bfd_default_set_arch_mach (abfd, arch, machine); | |
0a1b45a2 | 2423 | return true; |
252b5132 RH |
2424 | } |
2425 | ||
0a1b45a2 | 2426 | static bool |
d00dd7dc AM |
2427 | symname_in_debug_hook (bfd *abfd ATTRIBUTE_UNUSED, |
2428 | struct internal_syment *sym ATTRIBUTE_UNUSED) | |
252b5132 | 2429 | { |
d00dd7dc | 2430 | #ifdef SYMNAME_IN_DEBUG |
82e51918 | 2431 | return SYMNAME_IN_DEBUG (sym) != 0; |
252b5132 | 2432 | #else |
0a1b45a2 | 2433 | return false; |
252b5132 | 2434 | #endif |
d00dd7dc | 2435 | } |
252b5132 RH |
2436 | |
2437 | #ifdef RS6000COFF_C | |
2438 | ||
7f6d05e8 CP |
2439 | #ifdef XCOFF64 |
2440 | #define FORCE_SYMNAMES_IN_STRINGS | |
2441 | #endif | |
a022216b | 2442 | |
8602d4fe | 2443 | /* Handle the csect auxent of a C_EXT, C_AIX_WEAKEXT or C_HIDEXT symbol. */ |
252b5132 | 2444 | |
0a1b45a2 | 2445 | static bool |
7920ce38 NC |
2446 | coff_pointerize_aux_hook (bfd *abfd ATTRIBUTE_UNUSED, |
2447 | combined_entry_type *table_base, | |
2448 | combined_entry_type *symbol, | |
2449 | unsigned int indaux, | |
2450 | combined_entry_type *aux) | |
252b5132 | 2451 | { |
a5c71af8 | 2452 | BFD_ASSERT (symbol->is_sym); |
96d56e9f | 2453 | int n_sclass = symbol->u.syment.n_sclass; |
252b5132 | 2454 | |
96d56e9f | 2455 | if (CSECT_SYM_P (n_sclass) |
252b5132 RH |
2456 | && indaux + 1 == symbol->u.syment.n_numaux) |
2457 | { | |
a5c71af8 | 2458 | BFD_ASSERT (! aux->is_sym); |
58c4c6a0 | 2459 | if (SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp) == XTY_LD |
a2c7ca15 | 2460 | && aux->u.auxent.x_csect.x_scnlen.u64 < obj_raw_syment_count (abfd)) |
252b5132 RH |
2461 | { |
2462 | aux->u.auxent.x_csect.x_scnlen.p = | |
a2c7ca15 | 2463 | table_base + aux->u.auxent.x_csect.x_scnlen.u64; |
252b5132 RH |
2464 | aux->fix_scnlen = 1; |
2465 | } | |
2466 | ||
b34976b6 | 2467 | /* Return TRUE to indicate that the caller should not do any |
46f2f11d | 2468 | further work on this auxent. */ |
0a1b45a2 | 2469 | return true; |
252b5132 RH |
2470 | } |
2471 | ||
b34976b6 | 2472 | /* Return FALSE to indicate that this auxent should be handled by |
252b5132 | 2473 | the caller. */ |
0a1b45a2 | 2474 | return false; |
252b5132 RH |
2475 | } |
2476 | ||
2477 | #else | |
252b5132 | 2478 | #define coff_pointerize_aux_hook 0 |
252b5132 RH |
2479 | #endif /* ! RS6000COFF_C */ |
2480 | ||
b34976b6 | 2481 | /* Print an aux entry. This returns TRUE if it has printed it. */ |
252b5132 | 2482 | |
0a1b45a2 | 2483 | static bool |
7920ce38 NC |
2484 | coff_print_aux (bfd *abfd ATTRIBUTE_UNUSED, |
2485 | FILE *file ATTRIBUTE_UNUSED, | |
2486 | combined_entry_type *table_base ATTRIBUTE_UNUSED, | |
2487 | combined_entry_type *symbol ATTRIBUTE_UNUSED, | |
2488 | combined_entry_type *aux ATTRIBUTE_UNUSED, | |
2489 | unsigned int indaux ATTRIBUTE_UNUSED) | |
252b5132 | 2490 | { |
a5c71af8 NC |
2491 | BFD_ASSERT (symbol->is_sym); |
2492 | BFD_ASSERT (! aux->is_sym); | |
252b5132 | 2493 | #ifdef RS6000COFF_C |
8602d4fe | 2494 | if (CSECT_SYM_P (symbol->u.syment.n_sclass) |
252b5132 RH |
2495 | && indaux + 1 == symbol->u.syment.n_numaux) |
2496 | { | |
2497 | /* This is a csect entry. */ | |
2498 | fprintf (file, "AUX "); | |
2499 | if (SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp) != XTY_LD) | |
2500 | { | |
2501 | BFD_ASSERT (! aux->fix_scnlen); | |
a2c7ca15 AM |
2502 | fprintf (file, "val %5" PRIu64, |
2503 | aux->u.auxent.x_csect.x_scnlen.u64); | |
252b5132 RH |
2504 | } |
2505 | else | |
2506 | { | |
2507 | fprintf (file, "indx "); | |
2508 | if (! aux->fix_scnlen) | |
a2c7ca15 AM |
2509 | fprintf (file, "%4" PRIu64, |
2510 | aux->u.auxent.x_csect.x_scnlen.u64); | |
252b5132 RH |
2511 | else |
2512 | fprintf (file, "%4ld", | |
2513 | (long) (aux->u.auxent.x_csect.x_scnlen.p - table_base)); | |
2514 | } | |
2515 | fprintf (file, | |
a2c7ca15 | 2516 | " prmhsh %u snhsh %u typ %d algn %d clss %u stb %u snstb %u", |
252b5132 RH |
2517 | aux->u.auxent.x_csect.x_parmhash, |
2518 | (unsigned int) aux->u.auxent.x_csect.x_snhash, | |
2519 | SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp), | |
2520 | SMTYP_ALIGN (aux->u.auxent.x_csect.x_smtyp), | |
2521 | (unsigned int) aux->u.auxent.x_csect.x_smclas, | |
2522 | aux->u.auxent.x_csect.x_stab, | |
2523 | (unsigned int) aux->u.auxent.x_csect.x_snstab); | |
0a1b45a2 | 2524 | return true; |
252b5132 RH |
2525 | } |
2526 | #endif | |
2527 | ||
b34976b6 | 2528 | /* Return FALSE to indicate that no special action was taken. */ |
0a1b45a2 | 2529 | return false; |
252b5132 RH |
2530 | } |
2531 | ||
2532 | /* | |
2533 | SUBSUBSECTION | |
2534 | Writing relocations | |
2535 | ||
2536 | To write relocations, the back end steps though the | |
2537 | canonical relocation table and create an | |
2538 | @code{internal_reloc}. The symbol index to use is removed from | |
2539 | the @code{offset} field in the symbol table supplied. The | |
2540 | address comes directly from the sum of the section base | |
2541 | address and the relocation offset; the type is dug directly | |
2542 | from the howto field. Then the @code{internal_reloc} is | |
2543 | swapped into the shape of an @code{external_reloc} and written | |
2544 | out to disk. | |
2545 | ||
2546 | */ | |
2547 | ||
2548 | #ifdef TARG_AUX | |
2549 | ||
252b5132 | 2550 | |
ed781d5d | 2551 | /* AUX's ld wants relocations to be sorted. */ |
252b5132 | 2552 | static int |
7920ce38 | 2553 | compare_arelent_ptr (const void * x, const void * y) |
252b5132 RH |
2554 | { |
2555 | const arelent **a = (const arelent **) x; | |
2556 | const arelent **b = (const arelent **) y; | |
2557 | bfd_size_type aadr = (*a)->address; | |
2558 | bfd_size_type badr = (*b)->address; | |
2559 | ||
2560 | return (aadr < badr ? -1 : badr < aadr ? 1 : 0); | |
2561 | } | |
2562 | ||
2563 | #endif /* TARG_AUX */ | |
2564 | ||
0a1b45a2 | 2565 | static bool |
7920ce38 | 2566 | coff_write_relocs (bfd * abfd, int first_undef) |
252b5132 RH |
2567 | { |
2568 | asection *s; | |
2569 | ||
7920ce38 | 2570 | for (s = abfd->sections; s != NULL; s = s->next) |
252b5132 RH |
2571 | { |
2572 | unsigned int i; | |
2573 | struct external_reloc dst; | |
2574 | arelent **p; | |
2575 | ||
2576 | #ifndef TARG_AUX | |
2577 | p = s->orelocation; | |
2578 | #else | |
dc810e39 | 2579 | { |
ed781d5d | 2580 | /* Sort relocations before we write them out. */ |
dc810e39 AM |
2581 | bfd_size_type amt; |
2582 | ||
2583 | amt = s->reloc_count; | |
2584 | amt *= sizeof (arelent *); | |
7920ce38 | 2585 | p = bfd_malloc (amt); |
86eafac0 NC |
2586 | if (p == NULL) |
2587 | { | |
2588 | if (s->reloc_count > 0) | |
0a1b45a2 | 2589 | return false; |
86eafac0 NC |
2590 | } |
2591 | else | |
2592 | { | |
2593 | memcpy (p, s->orelocation, (size_t) amt); | |
2594 | qsort (p, s->reloc_count, sizeof (arelent *), compare_arelent_ptr); | |
2595 | } | |
dc810e39 | 2596 | } |
252b5132 RH |
2597 | #endif |
2598 | ||
2599 | if (bfd_seek (abfd, s->rel_filepos, SEEK_SET) != 0) | |
0a1b45a2 | 2600 | return false; |
3e4554a2 | 2601 | |
f717994f JMG |
2602 | #ifdef COFF_WITH_EXTENDED_RELOC_COUNTER |
2603 | if ((obj_pe (abfd) || obj_go32 (abfd)) && s->reloc_count >= 0xffff) | |
3e4554a2 | 2604 | { |
ed781d5d | 2605 | /* Encode real count here as first reloc. */ |
3e4554a2 | 2606 | struct internal_reloc n; |
ed781d5d | 2607 | |
7920ce38 | 2608 | memset (& n, 0, sizeof (n)); |
ed781d5d | 2609 | /* Add one to count *this* reloc (grr). */ |
3e4554a2 DD |
2610 | n.r_vaddr = s->reloc_count + 1; |
2611 | coff_swap_reloc_out (abfd, &n, &dst); | |
226f9f4f AM |
2612 | if (bfd_write (&dst, bfd_coff_relsz (abfd), abfd) |
2613 | != bfd_coff_relsz (abfd)) | |
0a1b45a2 | 2614 | return false; |
3e4554a2 DD |
2615 | } |
2616 | #endif | |
2617 | ||
252b5132 RH |
2618 | for (i = 0; i < s->reloc_count; i++) |
2619 | { | |
2620 | struct internal_reloc n; | |
2621 | arelent *q = p[i]; | |
ed781d5d | 2622 | |
7920ce38 | 2623 | memset (& n, 0, sizeof (n)); |
252b5132 RH |
2624 | |
2625 | /* Now we've renumbered the symbols we know where the | |
2626 | undefined symbols live in the table. Check the reloc | |
2627 | entries for symbols who's output bfd isn't the right one. | |
2628 | This is because the symbol was undefined (which means | |
2629 | that all the pointers are never made to point to the same | |
2630 | place). This is a bad thing,'cause the symbols attached | |
2631 | to the output bfd are indexed, so that the relocation | |
2632 | entries know which symbol index they point to. So we | |
e60b52c6 | 2633 | have to look up the output symbol here. */ |
252b5132 | 2634 | |
ef72a554 | 2635 | if (q->sym_ptr_ptr[0] != NULL && q->sym_ptr_ptr[0]->the_bfd != abfd) |
252b5132 | 2636 | { |
dc810e39 | 2637 | int j; |
252b5132 RH |
2638 | const char *sname = q->sym_ptr_ptr[0]->name; |
2639 | asymbol **outsyms = abfd->outsymbols; | |
ed781d5d | 2640 | |
dc810e39 | 2641 | for (j = first_undef; outsyms[j]; j++) |
252b5132 | 2642 | { |
dc810e39 | 2643 | const char *intable = outsyms[j]->name; |
ed781d5d | 2644 | |
7920ce38 NC |
2645 | if (strcmp (intable, sname) == 0) |
2646 | { | |
2647 | /* Got a hit, so repoint the reloc. */ | |
2648 | q->sym_ptr_ptr = outsyms + j; | |
2649 | break; | |
2650 | } | |
252b5132 RH |
2651 | } |
2652 | } | |
2653 | ||
2654 | n.r_vaddr = q->address + s->vma; | |
2655 | ||
2656 | #ifdef R_IHCONST | |
2657 | /* The 29k const/consth reloc pair is a real kludge. The consth | |
2658 | part doesn't have a symbol; it has an offset. So rebuilt | |
2659 | that here. */ | |
2660 | if (q->howto->type == R_IHCONST) | |
2661 | n.r_symndx = q->addend; | |
2662 | else | |
2663 | #endif | |
ef72a554 | 2664 | if (q->sym_ptr_ptr && q->sym_ptr_ptr[0] != NULL) |
252b5132 | 2665 | { |
6c784c9a | 2666 | #ifdef SECTION_RELATIVE_ABSOLUTE_SYMBOL_P |
46f2f11d | 2667 | if (SECTION_RELATIVE_ABSOLUTE_SYMBOL_P (q, s)) |
6c784c9a | 2668 | #else |
250d94fd AM |
2669 | if ((*q->sym_ptr_ptr)->section == bfd_abs_section_ptr |
2670 | && ((*q->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0) | |
6c784c9a | 2671 | #endif |
252b5132 RH |
2672 | /* This is a relocation relative to the absolute symbol. */ |
2673 | n.r_symndx = -1; | |
2674 | else | |
2675 | { | |
2676 | n.r_symndx = get_index ((*(q->sym_ptr_ptr))); | |
337ff0a5 NC |
2677 | /* Check to see if the symbol reloc points to a symbol |
2678 | we don't have in our symbol table. */ | |
252b5132 | 2679 | if (n.r_symndx > obj_conv_table_size (abfd)) |
337ff0a5 NC |
2680 | { |
2681 | bfd_set_error (bfd_error_bad_value); | |
695344c0 | 2682 | /* xgettext:c-format */ |
871b3ab2 | 2683 | _bfd_error_handler (_("%pB: reloc against a non-existent" |
63a5468a | 2684 | " symbol index: %ld"), |
337ff0a5 | 2685 | abfd, n.r_symndx); |
0a1b45a2 | 2686 | return false; |
337ff0a5 | 2687 | } |
252b5132 RH |
2688 | } |
2689 | } | |
2690 | ||
2691 | #ifdef SWAP_OUT_RELOC_OFFSET | |
2692 | n.r_offset = q->addend; | |
2693 | #endif | |
2694 | ||
2695 | #ifdef SELECT_RELOC | |
ed781d5d | 2696 | /* Work out reloc type from what is required. */ |
f66d30a6 AM |
2697 | if (q->howto) |
2698 | SELECT_RELOC (n, q->howto); | |
252b5132 | 2699 | #else |
f66d30a6 AM |
2700 | if (q->howto) |
2701 | n.r_type = q->howto->type; | |
252b5132 RH |
2702 | #endif |
2703 | coff_swap_reloc_out (abfd, &n, &dst); | |
ed781d5d | 2704 | |
226f9f4f AM |
2705 | if (bfd_write (&dst, bfd_coff_relsz (abfd), abfd) |
2706 | != bfd_coff_relsz (abfd)) | |
0a1b45a2 | 2707 | return false; |
252b5132 RH |
2708 | } |
2709 | ||
2710 | #ifdef TARG_AUX | |
c9594989 | 2711 | free (p); |
252b5132 RH |
2712 | #endif |
2713 | } | |
2714 | ||
0a1b45a2 | 2715 | return true; |
252b5132 RH |
2716 | } |
2717 | ||
2718 | /* Set flags and magic number of a coff file from architecture and machine | |
b34976b6 | 2719 | type. Result is TRUE if we can represent the arch&type, FALSE if not. */ |
252b5132 | 2720 | |
0a1b45a2 | 2721 | static bool |
7920ce38 NC |
2722 | coff_set_flags (bfd * abfd, |
2723 | unsigned int *magicp ATTRIBUTE_UNUSED, | |
2724 | unsigned short *flagsp ATTRIBUTE_UNUSED) | |
252b5132 RH |
2725 | { |
2726 | switch (bfd_get_arch (abfd)) | |
2727 | { | |
3c9b82ba NC |
2728 | #ifdef Z80MAGIC |
2729 | case bfd_arch_z80: | |
2730 | *magicp = Z80MAGIC; | |
2731 | switch (bfd_get_mach (abfd)) | |
2732 | { | |
3c9b82ba NC |
2733 | case bfd_mach_z80strict: |
2734 | case bfd_mach_z80: | |
9fc0b501 | 2735 | case bfd_mach_z80n: |
3c9b82ba NC |
2736 | case bfd_mach_z80full: |
2737 | case bfd_mach_r800: | |
6655dba2 SB |
2738 | case bfd_mach_gbz80: |
2739 | case bfd_mach_z180: | |
2740 | case bfd_mach_ez80_z80: | |
2741 | case bfd_mach_ez80_adl: | |
3c9b82ba NC |
2742 | *flagsp = bfd_get_mach (abfd) << 12; |
2743 | break; | |
2744 | default: | |
0a1b45a2 | 2745 | return false; |
3c9b82ba | 2746 | } |
0a1b45a2 | 2747 | return true; |
3c9b82ba NC |
2748 | #endif |
2749 | ||
252b5132 RH |
2750 | #ifdef Z8KMAGIC |
2751 | case bfd_arch_z8k: | |
2752 | *magicp = Z8KMAGIC; | |
7920ce38 | 2753 | |
252b5132 RH |
2754 | switch (bfd_get_mach (abfd)) |
2755 | { | |
7920ce38 NC |
2756 | case bfd_mach_z8001: *flagsp = F_Z8001; break; |
2757 | case bfd_mach_z8002: *flagsp = F_Z8002; break; | |
0a1b45a2 | 2758 | default: return false; |
252b5132 | 2759 | } |
0a1b45a2 | 2760 | return true; |
252b5132 | 2761 | #endif |
252b5132 | 2762 | |
252b5132 RH |
2763 | #ifdef TIC30MAGIC |
2764 | case bfd_arch_tic30: | |
2765 | *magicp = TIC30MAGIC; | |
0a1b45a2 | 2766 | return true; |
252b5132 | 2767 | #endif |
81635ce4 TW |
2768 | |
2769 | #ifdef TICOFF_DEFAULT_MAGIC | |
2770 | case TICOFF_TARGET_ARCH: | |
ed781d5d | 2771 | /* If there's no indication of which version we want, use the default. */ |
81635ce4 | 2772 | if (!abfd->xvec ) |
46f2f11d | 2773 | *magicp = TICOFF_DEFAULT_MAGIC; |
81635ce4 | 2774 | else |
46f2f11d AM |
2775 | { |
2776 | /* We may want to output in a different COFF version. */ | |
2777 | switch (abfd->xvec->name[4]) | |
2778 | { | |
2779 | case '0': | |
2780 | *magicp = TICOFF0MAGIC; | |
2781 | break; | |
2782 | case '1': | |
2783 | *magicp = TICOFF1MAGIC; | |
2784 | break; | |
2785 | case '2': | |
2786 | *magicp = TICOFF2MAGIC; | |
2787 | break; | |
2788 | default: | |
0a1b45a2 | 2789 | return false; |
46f2f11d AM |
2790 | } |
2791 | } | |
0da35f8b | 2792 | TICOFF_TARGET_MACHINE_SET (flagsp, bfd_get_mach (abfd)); |
0a1b45a2 | 2793 | return true; |
81635ce4 TW |
2794 | #endif |
2795 | ||
b69c9d41 TC |
2796 | #ifdef AARCH64MAGIC |
2797 | case bfd_arch_aarch64: | |
2798 | * magicp = AARCH64MAGIC; | |
2799 | return true; | |
2800 | #endif | |
2801 | ||
31f60095 YT |
2802 | #ifdef LOONGARCH64MAGIC |
2803 | case bfd_arch_loongarch: | |
2804 | * magicp = LOONGARCH64MAGIC; | |
2805 | return true; | |
2806 | #endif | |
2807 | ||
252b5132 RH |
2808 | #ifdef ARMMAGIC |
2809 | case bfd_arch_arm: | |
17505c5c NC |
2810 | #ifdef ARM_WINCE |
2811 | * magicp = ARMPEMAGIC; | |
2812 | #else | |
252b5132 | 2813 | * magicp = ARMMAGIC; |
17505c5c | 2814 | #endif |
252b5132 RH |
2815 | * flagsp = 0; |
2816 | if (APCS_SET (abfd)) | |
2817 | { | |
2818 | if (APCS_26_FLAG (abfd)) | |
2819 | * flagsp |= F_APCS26; | |
e60b52c6 | 2820 | |
252b5132 RH |
2821 | if (APCS_FLOAT_FLAG (abfd)) |
2822 | * flagsp |= F_APCS_FLOAT; | |
e60b52c6 | 2823 | |
252b5132 | 2824 | if (PIC_FLAG (abfd)) |
948221a8 | 2825 | * flagsp |= F_PIC; |
252b5132 RH |
2826 | } |
2827 | if (INTERWORK_SET (abfd) && INTERWORK_FLAG (abfd)) | |
2828 | * flagsp |= F_INTERWORK; | |
2829 | switch (bfd_get_mach (abfd)) | |
2830 | { | |
2831 | case bfd_mach_arm_2: * flagsp |= F_ARM_2; break; | |
2832 | case bfd_mach_arm_2a: * flagsp |= F_ARM_2a; break; | |
2833 | case bfd_mach_arm_3: * flagsp |= F_ARM_3; break; | |
2834 | case bfd_mach_arm_3M: * flagsp |= F_ARM_3M; break; | |
2835 | case bfd_mach_arm_4: * flagsp |= F_ARM_4; break; | |
2836 | case bfd_mach_arm_4T: * flagsp |= F_ARM_4T; break; | |
478d07d6 | 2837 | case bfd_mach_arm_5: * flagsp |= F_ARM_5; break; |
f13b834e NC |
2838 | /* FIXME: we do not have F_ARM vaues greater than F_ARM_5. |
2839 | See also the comment in coff_set_arch_mach_hook(). */ | |
077b8428 NC |
2840 | case bfd_mach_arm_5T: * flagsp |= F_ARM_5; break; |
2841 | case bfd_mach_arm_5TE: * flagsp |= F_ARM_5; break; | |
2842 | case bfd_mach_arm_XScale: * flagsp |= F_ARM_5; break; | |
252b5132 | 2843 | } |
0a1b45a2 | 2844 | return true; |
252b5132 | 2845 | #endif |
7920ce38 | 2846 | |
99ad8390 | 2847 | #if defined(I386MAGIC) || defined(AMD64MAGIC) |
252b5132 | 2848 | case bfd_arch_i386: |
99ad8390 | 2849 | #if defined(I386MAGIC) |
252b5132 | 2850 | *magicp = I386MAGIC; |
99ad8390 NC |
2851 | #endif |
2852 | #if defined LYNXOS | |
e60b52c6 | 2853 | /* Just overwrite the usual value if we're doing Lynx. */ |
252b5132 | 2854 | *magicp = LYNXCOFFMAGIC; |
99ad8390 NC |
2855 | #endif |
2856 | #if defined AMD64MAGIC | |
2857 | *magicp = AMD64MAGIC; | |
252b5132 | 2858 | #endif |
0a1b45a2 | 2859 | return true; |
252b5132 | 2860 | #endif |
7920ce38 | 2861 | |
fac41780 JW |
2862 | #ifdef IA64MAGIC |
2863 | case bfd_arch_ia64: | |
2864 | *magicp = IA64MAGIC; | |
0a1b45a2 | 2865 | return true; |
fac41780 | 2866 | #endif |
7920ce38 | 2867 | |
252b5132 RH |
2868 | #ifdef SH_ARCH_MAGIC_BIG |
2869 | case bfd_arch_sh: | |
17505c5c NC |
2870 | #ifdef COFF_IMAGE_WITH_PE |
2871 | *magicp = SH_ARCH_MAGIC_WINCE; | |
2872 | #else | |
252b5132 RH |
2873 | if (bfd_big_endian (abfd)) |
2874 | *magicp = SH_ARCH_MAGIC_BIG; | |
2875 | else | |
2876 | *magicp = SH_ARCH_MAGIC_LITTLE; | |
17505c5c | 2877 | #endif |
0a1b45a2 | 2878 | return true; |
17505c5c NC |
2879 | #endif |
2880 | ||
2881 | #ifdef MIPS_ARCH_MAGIC_WINCE | |
2882 | case bfd_arch_mips: | |
2883 | *magicp = MIPS_ARCH_MAGIC_WINCE; | |
0a1b45a2 | 2884 | return true; |
252b5132 RH |
2885 | #endif |
2886 | ||
2887 | #ifdef SPARCMAGIC | |
2888 | case bfd_arch_sparc: | |
2889 | *magicp = SPARCMAGIC; | |
2890 | #ifdef LYNXOS | |
e60b52c6 | 2891 | /* Just overwrite the usual value if we're doing Lynx. */ |
252b5132 RH |
2892 | *magicp = LYNXCOFFMAGIC; |
2893 | #endif | |
0a1b45a2 | 2894 | return true; |
252b5132 RH |
2895 | #endif |
2896 | ||
7f6d05e8 | 2897 | #ifdef RS6000COFF_C |
252b5132 | 2898 | case bfd_arch_rs6000: |
252b5132 | 2899 | case bfd_arch_powerpc: |
eb1e0e80 NC |
2900 | BFD_ASSERT (bfd_get_flavour (abfd) == bfd_target_xcoff_flavour); |
2901 | *magicp = bfd_xcoff_magic_number (abfd); | |
0a1b45a2 | 2902 | return true; |
252b5132 RH |
2903 | #endif |
2904 | ||
2905 | #ifdef MCOREMAGIC | |
2906 | case bfd_arch_mcore: | |
2907 | * magicp = MCOREMAGIC; | |
0a1b45a2 | 2908 | return true; |
252b5132 | 2909 | #endif |
e60b52c6 | 2910 | |
371e71b8 | 2911 | default: /* Unknown architecture. */ |
252b5132 RH |
2912 | break; |
2913 | } | |
2914 | ||
0a1b45a2 | 2915 | return false; |
252b5132 RH |
2916 | } |
2917 | ||
0a1b45a2 | 2918 | static bool |
7920ce38 NC |
2919 | coff_set_arch_mach (bfd * abfd, |
2920 | enum bfd_architecture arch, | |
2921 | unsigned long machine) | |
252b5132 RH |
2922 | { |
2923 | unsigned dummy1; | |
2924 | unsigned short dummy2; | |
2925 | ||
2926 | if (! bfd_default_set_arch_mach (abfd, arch, machine)) | |
0a1b45a2 | 2927 | return false; |
252b5132 | 2928 | |
82e51918 AM |
2929 | if (arch != bfd_arch_unknown |
2930 | && ! coff_set_flags (abfd, &dummy1, &dummy2)) | |
0a1b45a2 | 2931 | return false; /* We can't represent this type. */ |
252b5132 | 2932 | |
0a1b45a2 | 2933 | return true; /* We're easy... */ |
252b5132 RH |
2934 | } |
2935 | ||
75cc7189 ILT |
2936 | #ifdef COFF_IMAGE_WITH_PE |
2937 | ||
2938 | /* This is used to sort sections by VMA, as required by PE image | |
2939 | files. */ | |
2940 | ||
75cc7189 | 2941 | static int |
7920ce38 | 2942 | sort_by_secaddr (const void * arg1, const void * arg2) |
75cc7189 ILT |
2943 | { |
2944 | const asection *a = *(const asection **) arg1; | |
2945 | const asection *b = *(const asection **) arg2; | |
2946 | ||
2947 | if (a->vma < b->vma) | |
2948 | return -1; | |
2949 | else if (a->vma > b->vma) | |
2950 | return 1; | |
7920ce38 NC |
2951 | |
2952 | return 0; | |
75cc7189 ILT |
2953 | } |
2954 | ||
2955 | #endif /* COFF_IMAGE_WITH_PE */ | |
252b5132 | 2956 | |
e60b52c6 | 2957 | /* Calculate the file position for each section. */ |
252b5132 | 2958 | |
252b5132 | 2959 | #define ALIGN_SECTIONS_IN_FILE |
5b660084 | 2960 | #ifdef TICOFF |
252b5132 RH |
2961 | #undef ALIGN_SECTIONS_IN_FILE |
2962 | #endif | |
2963 | ||
0a1b45a2 | 2964 | static bool |
7920ce38 | 2965 | coff_compute_section_file_positions (bfd * abfd) |
252b5132 RH |
2966 | { |
2967 | asection *current; | |
6b3b007b | 2968 | file_ptr sofar = bfd_coff_filhsz (abfd); |
0a1b45a2 | 2969 | bool align_adjust; |
167ad85b | 2970 | unsigned int target_index; |
252b5132 | 2971 | #ifdef ALIGN_SECTIONS_IN_FILE |
c7e2358a | 2972 | asection *previous = NULL; |
252b5132 RH |
2973 | file_ptr old_sofar; |
2974 | #endif | |
2975 | ||
22eb4b1d | 2976 | #ifdef COFF_IMAGE_WITH_PE |
bc5baa9f | 2977 | unsigned int page_size; |
22eb4b1d | 2978 | |
a4a027b7 KT |
2979 | if (coff_data (abfd)->link_info |
2980 | || (pe_data (abfd) && pe_data (abfd)->pe_opthdr.FileAlignment)) | |
22eb4b1d AM |
2981 | { |
2982 | page_size = pe_data (abfd)->pe_opthdr.FileAlignment; | |
2983 | ||
2984 | /* If no file alignment has been set, default to one. | |
2985 | This repairs 'ld -r' for arm-wince-pe target. */ | |
2986 | if (page_size == 0) | |
2987 | page_size = 1; | |
2988 | } | |
2989 | else | |
2990 | page_size = PE_DEF_FILE_ALIGNMENT; | |
2991 | #else | |
2992 | #ifdef COFF_PAGE_SIZE | |
bc5baa9f | 2993 | unsigned int page_size = COFF_PAGE_SIZE; |
22eb4b1d AM |
2994 | #endif |
2995 | #endif | |
2996 | ||
252b5132 RH |
2997 | #ifdef RS6000COFF_C |
2998 | /* On XCOFF, if we have symbols, set up the .debug section. */ | |
2999 | if (bfd_get_symcount (abfd) > 0) | |
3000 | { | |
3001 | bfd_size_type sz; | |
3002 | bfd_size_type i, symcount; | |
3003 | asymbol **symp; | |
3004 | ||
3005 | sz = 0; | |
3006 | symcount = bfd_get_symcount (abfd); | |
3007 | for (symp = abfd->outsymbols, i = 0; i < symcount; symp++, i++) | |
3008 | { | |
3009 | coff_symbol_type *cf; | |
3010 | ||
f4943d82 | 3011 | cf = coff_symbol_from (*symp); |
252b5132 RH |
3012 | if (cf != NULL |
3013 | && cf->native != NULL | |
a5c71af8 | 3014 | && cf->native->is_sym |
252b5132 RH |
3015 | && SYMNAME_IN_DEBUG (&cf->native->u.syment)) |
3016 | { | |
3017 | size_t len; | |
3018 | ||
3019 | len = strlen (bfd_asymbol_name (*symp)); | |
7f6d05e8 CP |
3020 | if (len > SYMNMLEN || bfd_coff_force_symnames_in_strings (abfd)) |
3021 | sz += len + 1 + bfd_coff_debug_string_prefix_length (abfd); | |
252b5132 RH |
3022 | } |
3023 | } | |
3024 | if (sz > 0) | |
3025 | { | |
3026 | asection *dsec; | |
3027 | ||
8a7140c3 | 3028 | dsec = bfd_make_section_old_way (abfd, DOT_DEBUG); |
252b5132 RH |
3029 | if (dsec == NULL) |
3030 | abort (); | |
eea6121a | 3031 | dsec->size = sz; |
252b5132 RH |
3032 | dsec->flags |= SEC_HAS_CONTENTS; |
3033 | } | |
3034 | } | |
3035 | #endif | |
3036 | ||
252b5132 | 3037 | if (bfd_get_start_address (abfd)) |
7920ce38 NC |
3038 | /* A start address may have been added to the original file. In this |
3039 | case it will need an optional header to record it. */ | |
3040 | abfd->flags |= EXEC_P; | |
252b5132 RH |
3041 | |
3042 | if (abfd->flags & EXEC_P) | |
6b3b007b | 3043 | sofar += bfd_coff_aoutsz (abfd); |
252b5132 RH |
3044 | #ifdef RS6000COFF_C |
3045 | else if (xcoff_data (abfd)->full_aouthdr) | |
6b3b007b | 3046 | sofar += bfd_coff_aoutsz (abfd); |
252b5132 RH |
3047 | else |
3048 | sofar += SMALL_AOUTSZ; | |
3049 | #endif | |
3050 | ||
6b3b007b | 3051 | sofar += abfd->section_count * bfd_coff_scnhsz (abfd); |
252b5132 RH |
3052 | |
3053 | #ifdef RS6000COFF_C | |
3054 | /* XCOFF handles overflows in the reloc and line number count fields | |
3055 | by allocating a new section header to hold the correct counts. */ | |
3056 | for (current = abfd->sections; current != NULL; current = current->next) | |
3057 | if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff) | |
6b3b007b | 3058 | sofar += bfd_coff_scnhsz (abfd); |
252b5132 RH |
3059 | #endif |
3060 | ||
204d627e AM |
3061 | if (coff_data (abfd)->section_by_target_index) |
3062 | htab_empty (coff_data (abfd)->section_by_target_index); | |
3063 | ||
75cc7189 ILT |
3064 | #ifdef COFF_IMAGE_WITH_PE |
3065 | { | |
3066 | /* PE requires the sections to be in memory order when listed in | |
3067 | the section headers. It also does not like empty loadable | |
3068 | sections. The sections apparently do not have to be in the | |
3069 | right order in the image file itself, but we do need to get the | |
3070 | target_index values right. */ | |
3071 | ||
dc810e39 | 3072 | unsigned int count; |
75cc7189 | 3073 | asection **section_list; |
dc810e39 | 3074 | unsigned int i; |
dc810e39 | 3075 | bfd_size_type amt; |
75cc7189 | 3076 | |
4f360784 | 3077 | #ifdef COFF_PAGE_SIZE |
bc5baa9f JB |
3078 | /* Clear D_PAGED if section / file alignment aren't suitable for |
3079 | paging at COFF_PAGE_SIZE granularity. */ | |
3080 | if (pe_data (abfd)->pe_opthdr.SectionAlignment < COFF_PAGE_SIZE | |
3081 | || page_size < COFF_PAGE_SIZE) | |
4f360784 L |
3082 | abfd->flags &= ~D_PAGED; |
3083 | #endif | |
3084 | ||
75cc7189 ILT |
3085 | count = 0; |
3086 | for (current = abfd->sections; current != NULL; current = current->next) | |
3087 | ++count; | |
3088 | ||
3089 | /* We allocate an extra cell to simplify the final loop. */ | |
dc810e39 | 3090 | amt = sizeof (struct asection *) * (count + 1); |
a50b1753 | 3091 | section_list = (asection **) bfd_malloc (amt); |
75cc7189 | 3092 | if (section_list == NULL) |
0a1b45a2 | 3093 | return false; |
75cc7189 ILT |
3094 | |
3095 | i = 0; | |
3096 | for (current = abfd->sections; current != NULL; current = current->next) | |
3097 | { | |
3098 | section_list[i] = current; | |
3099 | ++i; | |
3100 | } | |
3101 | section_list[i] = NULL; | |
3102 | ||
3103 | qsort (section_list, count, sizeof (asection *), sort_by_secaddr); | |
3104 | ||
3105 | /* Rethread the linked list into sorted order; at the same time, | |
3106 | assign target_index values. */ | |
3107 | target_index = 1; | |
5daa8fe7 L |
3108 | abfd->sections = NULL; |
3109 | abfd->section_last = NULL; | |
75cc7189 ILT |
3110 | for (i = 0; i < count; i++) |
3111 | { | |
3112 | current = section_list[i]; | |
5daa8fe7 | 3113 | bfd_section_list_append (abfd, current); |
75cc7189 ILT |
3114 | |
3115 | /* Later, if the section has zero size, we'll be throwing it | |
3116 | away, so we don't want to number it now. Note that having | |
3117 | a zero size and having real contents are different | |
3118 | concepts: .bss has no contents, but (usually) non-zero | |
3119 | size. */ | |
eea6121a | 3120 | if (current->size == 0) |
75cc7189 ILT |
3121 | { |
3122 | /* Discard. However, it still might have (valid) symbols | |
3123 | in it, so arbitrarily set it to section 1 (indexing is | |
3124 | 1-based here; usually .text). __end__ and other | |
3125 | contents of .endsection really have this happen. | |
3126 | FIXME: This seems somewhat dubious. */ | |
3127 | current->target_index = 1; | |
3128 | } | |
3129 | else | |
3130 | current->target_index = target_index++; | |
3131 | } | |
3132 | ||
2fca4467 | 3133 | free (section_list); |
75cc7189 ILT |
3134 | } |
3135 | #else /* ! COFF_IMAGE_WITH_PE */ | |
3136 | { | |
3137 | /* Set the target_index field. */ | |
75cc7189 ILT |
3138 | target_index = 1; |
3139 | for (current = abfd->sections; current != NULL; current = current->next) | |
3140 | current->target_index = target_index++; | |
3141 | } | |
3142 | #endif /* ! COFF_IMAGE_WITH_PE */ | |
3143 | ||
167ad85b | 3144 | if (target_index >= bfd_coff_max_nscns (abfd)) |
22eb4b1d AM |
3145 | { |
3146 | bfd_set_error (bfd_error_file_too_big); | |
4eca0228 | 3147 | _bfd_error_handler |
695344c0 | 3148 | /* xgettext:c-format */ |
871b3ab2 | 3149 | (_("%pB: too many sections (%d)"), abfd, target_index); |
0a1b45a2 | 3150 | return false; |
22eb4b1d AM |
3151 | } |
3152 | ||
0a1b45a2 | 3153 | align_adjust = false; |
75cc7189 | 3154 | for (current = abfd->sections; |
7920ce38 | 3155 | current != NULL; |
75cc7189 | 3156 | current = current->next) |
252b5132 RH |
3157 | { |
3158 | #ifdef COFF_IMAGE_WITH_PE | |
75cc7189 ILT |
3159 | /* With PE we have to pad each section to be a multiple of its |
3160 | page size too, and remember both sizes. */ | |
3161 | if (coff_section_data (abfd, current) == NULL) | |
252b5132 | 3162 | { |
986f0783 | 3163 | size_t amt = sizeof (struct coff_section_tdata); |
7920ce38 NC |
3164 | |
3165 | current->used_by_bfd = bfd_zalloc (abfd, amt); | |
75cc7189 | 3166 | if (current->used_by_bfd == NULL) |
0a1b45a2 | 3167 | return false; |
252b5132 | 3168 | } |
75cc7189 ILT |
3169 | if (pei_section_data (abfd, current) == NULL) |
3170 | { | |
986f0783 | 3171 | size_t amt = sizeof (struct pei_section_tdata); |
7920ce38 NC |
3172 | |
3173 | coff_section_data (abfd, current)->tdata = bfd_zalloc (abfd, amt); | |
75cc7189 | 3174 | if (coff_section_data (abfd, current)->tdata == NULL) |
0a1b45a2 | 3175 | return false; |
75cc7189 ILT |
3176 | } |
3177 | if (pei_section_data (abfd, current)->virt_size == 0) | |
eea6121a | 3178 | pei_section_data (abfd, current)->virt_size = current->size; |
252b5132 RH |
3179 | #endif |
3180 | ||
75cc7189 | 3181 | /* Only deal with sections which have contents. */ |
252b5132 RH |
3182 | if (!(current->flags & SEC_HAS_CONTENTS)) |
3183 | continue; | |
3184 | ||
21e68916 KT |
3185 | current->rawsize = current->size; |
3186 | ||
75cc7189 ILT |
3187 | #ifdef COFF_IMAGE_WITH_PE |
3188 | /* Make sure we skip empty sections in a PE image. */ | |
eea6121a | 3189 | if (current->size == 0) |
75cc7189 ILT |
3190 | continue; |
3191 | #endif | |
3192 | ||
252b5132 | 3193 | /* Align the sections in the file to the same boundary on |
a8eb42a8 | 3194 | which they are aligned in virtual memory. */ |
252b5132 RH |
3195 | #ifdef ALIGN_SECTIONS_IN_FILE |
3196 | if ((abfd->flags & EXEC_P) != 0) | |
3197 | { | |
ed781d5d NC |
3198 | /* Make sure this section is aligned on the right boundary - by |
3199 | padding the previous section up if necessary. */ | |
252b5132 | 3200 | old_sofar = sofar; |
7920ce38 | 3201 | |
bc5baa9f JB |
3202 | #ifdef COFF_IMAGE_WITH_PE |
3203 | sofar = BFD_ALIGN (sofar, page_size); | |
3204 | #else | |
578a7392 | 3205 | sofar = BFD_ALIGN (sofar, (bfd_vma) 1 << current->alignment_power); |
bc5baa9f | 3206 | #endif |
2eea2440 | 3207 | |
47ede03a | 3208 | #ifdef RS6000COFF_C |
2eea2440 TG |
3209 | /* Make sure the file offset and the vma of .text/.data are at the |
3210 | same page offset, so that the file can be mmap'ed without being | |
3211 | relocated. Failing that, AIX is able to load and execute the | |
3212 | program, but it will be silently relocated (possible as | |
3213 | executables are PIE). But the relocation is slightly costly and | |
3214 | complexify the use of addr2line or gdb. So better to avoid it, | |
3215 | like does the native linker. Usually gnu ld makes sure that | |
3216 | the vma of .text is the file offset so this issue shouldn't | |
3217 | appear unless you are stripping such an executable. | |
3218 | ||
3219 | AIX loader checks the text section alignment of (vma - filepos), | |
3220 | and the native linker doesn't try to align the text sections. | |
3221 | For example: | |
3222 | ||
07d6d2b8 AM |
3223 | 0 .text 000054cc 10000128 10000128 00000128 2**5 |
3224 | CONTENTS, ALLOC, LOAD, CODE | |
1b2cb8e2 CC |
3225 | |
3226 | Don't perform the above tweak if the previous one is .tdata, | |
3227 | as it will increase the memory allocated for every threads | |
3228 | created and not just improve performances with gdb. | |
2eea2440 TG |
3229 | */ |
3230 | ||
b5c37946 SJ |
3231 | if ((current->flags & SEC_LOAD) != 0 |
3232 | && (!strcmp (current->name, _TEXT) | |
3233 | || !strcmp (current->name, _DATA)) | |
1b2cb8e2 | 3234 | && (previous == NULL || strcmp(previous->name, _TDATA))) |
47ede03a | 3235 | { |
2eea2440 TG |
3236 | bfd_vma align = 4096; |
3237 | bfd_vma sofar_off = sofar % align; | |
3238 | bfd_vma vma_off = current->vma % align; | |
3239 | ||
3240 | if (vma_off > sofar_off) | |
3241 | sofar += vma_off - sofar_off; | |
3242 | else if (vma_off < sofar_off) | |
3243 | sofar += align + vma_off - sofar_off; | |
47ede03a TR |
3244 | } |
3245 | #endif | |
b5c37946 SJ |
3246 | if (previous != NULL |
3247 | && (previous->flags & SEC_LOAD) != 0) | |
eea6121a | 3248 | previous->size += sofar - old_sofar; |
252b5132 RH |
3249 | } |
3250 | ||
3251 | #endif | |
3252 | ||
3253 | /* In demand paged files the low order bits of the file offset | |
3254 | must match the low order bits of the virtual address. */ | |
3255 | #ifdef COFF_PAGE_SIZE | |
3256 | if ((abfd->flags & D_PAGED) != 0 | |
3257 | && (current->flags & SEC_ALLOC) != 0) | |
7bf6dede | 3258 | sofar += (current->vma - (bfd_vma) sofar) % page_size; |
252b5132 RH |
3259 | #endif |
3260 | current->filepos = sofar; | |
3261 | ||
3262 | #ifdef COFF_IMAGE_WITH_PE | |
75cc7189 | 3263 | /* Set the padded size. */ |
21e68916 | 3264 | current->size = (current->size + page_size - 1) & -page_size; |
252b5132 RH |
3265 | #endif |
3266 | ||
eea6121a | 3267 | sofar += current->size; |
252b5132 RH |
3268 | |
3269 | #ifdef ALIGN_SECTIONS_IN_FILE | |
ed781d5d | 3270 | /* Make sure that this section is of the right size too. */ |
252b5132 RH |
3271 | if ((abfd->flags & EXEC_P) == 0) |
3272 | { | |
3273 | bfd_size_type old_size; | |
3274 | ||
eea6121a AM |
3275 | old_size = current->size; |
3276 | current->size = BFD_ALIGN (current->size, | |
578a7392 | 3277 | (bfd_vma) 1 << current->alignment_power); |
eea6121a AM |
3278 | align_adjust = current->size != old_size; |
3279 | sofar += current->size - old_size; | |
252b5132 RH |
3280 | } |
3281 | else | |
3282 | { | |
3283 | old_sofar = sofar; | |
bc5baa9f JB |
3284 | #ifdef COFF_IMAGE_WITH_PE |
3285 | sofar = BFD_ALIGN (sofar, page_size); | |
3286 | #else | |
578a7392 | 3287 | sofar = BFD_ALIGN (sofar, (bfd_vma) 1 << current->alignment_power); |
bc5baa9f | 3288 | #endif |
252b5132 | 3289 | align_adjust = sofar != old_sofar; |
eea6121a | 3290 | current->size += sofar - old_sofar; |
252b5132 RH |
3291 | } |
3292 | #endif | |
3293 | ||
3294 | #ifdef COFF_IMAGE_WITH_PE | |
3295 | /* For PE we need to make sure we pad out to the aligned | |
46f2f11d AM |
3296 | size, in case the caller only writes out data to the |
3297 | unaligned size. */ | |
eea6121a | 3298 | if (pei_section_data (abfd, current)->virt_size < current->size) |
0a1b45a2 | 3299 | align_adjust = true; |
252b5132 RH |
3300 | #endif |
3301 | ||
3302 | #ifdef _LIB | |
3303 | /* Force .lib sections to start at zero. The vma is then | |
3304 | incremented in coff_set_section_contents. This is right for | |
3305 | SVR3.2. */ | |
3306 | if (strcmp (current->name, _LIB) == 0) | |
fd361982 | 3307 | bfd_set_section_vma (current, 0); |
252b5132 RH |
3308 | #endif |
3309 | ||
c7e2358a | 3310 | #ifdef ALIGN_SECTIONS_IN_FILE |
252b5132 | 3311 | previous = current; |
c7e2358a | 3312 | #endif |
252b5132 RH |
3313 | } |
3314 | ||
3315 | /* It is now safe to write to the output file. If we needed an | |
3316 | alignment adjustment for the last section, then make sure that | |
3317 | there is a byte at offset sofar. If there are no symbols and no | |
3318 | relocs, then nothing follows the last section. If we don't force | |
3319 | the last byte out, then the file may appear to be truncated. */ | |
3320 | if (align_adjust) | |
3321 | { | |
3322 | bfd_byte b; | |
3323 | ||
3324 | b = 0; | |
3325 | if (bfd_seek (abfd, sofar - 1, SEEK_SET) != 0 | |
226f9f4f | 3326 | || bfd_write (&b, 1, abfd) != 1) |
0a1b45a2 | 3327 | return false; |
252b5132 RH |
3328 | } |
3329 | ||
3330 | /* Make sure the relocations are aligned. We don't need to make | |
3331 | sure that this byte exists, because it will only matter if there | |
3332 | really are relocs. */ | |
578a7392 AM |
3333 | sofar = BFD_ALIGN (sofar, |
3334 | (bfd_vma) 1 << COFF_DEFAULT_SECTION_ALIGNMENT_POWER); | |
252b5132 RH |
3335 | |
3336 | obj_relocbase (abfd) = sofar; | |
0a1b45a2 | 3337 | abfd->output_has_begun = true; |
252b5132 | 3338 | |
0a1b45a2 | 3339 | return true; |
252b5132 RH |
3340 | } |
3341 | ||
05793179 NC |
3342 | #ifdef COFF_IMAGE_WITH_PE |
3343 | ||
0a1b45a2 | 3344 | static bool |
cf7a3c01 | 3345 | coff_read_word (bfd *abfd, unsigned int *value, unsigned int *pelength) |
05793179 NC |
3346 | { |
3347 | unsigned char b[2]; | |
3348 | int status; | |
3349 | ||
226f9f4f | 3350 | status = bfd_read (b, 2, abfd); |
05793179 NC |
3351 | if (status < 1) |
3352 | { | |
3353 | *value = 0; | |
0a1b45a2 | 3354 | return false; |
05793179 NC |
3355 | } |
3356 | ||
3357 | if (status == 1) | |
3358 | *value = (unsigned int) b[0]; | |
3359 | else | |
3360 | *value = (unsigned int) (b[0] + (b[1] << 8)); | |
3361 | ||
cf7a3c01 | 3362 | *pelength += status; |
05793179 | 3363 | |
0a1b45a2 | 3364 | return true; |
05793179 NC |
3365 | } |
3366 | ||
7e1b5887 OT |
3367 | /* Read a two byte number from buffer B returning the result in VALUE. |
3368 | No more than BUF_SIZE bytes will be read. | |
3369 | Returns true upobn success, false otherwise. | |
3370 | If successful, increases the value stored in PELENGTH by the number | |
3371 | of bytes read. */ | |
3372 | ||
3373 | static bool | |
3374 | coff_read_word_from_buffer (unsigned char * b, | |
3375 | int buf_size, | |
3376 | unsigned int * value, | |
3377 | unsigned int * pelength) | |
3378 | { | |
3379 | if (buf_size < 1) | |
3380 | { | |
3381 | *value = 0; | |
3382 | return false; | |
3383 | } | |
3384 | ||
3385 | if (buf_size == 1) | |
3386 | { | |
3387 | *value = (unsigned int)b[0]; | |
3388 | *pelength += 1; | |
3389 | } | |
3390 | else | |
3391 | { | |
3392 | *value = (unsigned int)(b[0] + (b[1] << 8)); | |
3393 | *pelength += 2; | |
3394 | } | |
3395 | ||
3396 | return true; | |
3397 | } | |
3398 | ||
3399 | #define COFF_CHECKSUM_BUFFER_SIZE 0x800000 | |
3400 | ||
05793179 | 3401 | static unsigned int |
cf7a3c01 | 3402 | coff_compute_checksum (bfd *abfd, unsigned int *pelength) |
05793179 | 3403 | { |
05793179 NC |
3404 | file_ptr filepos; |
3405 | unsigned int value; | |
3406 | unsigned int total; | |
7e1b5887 OT |
3407 | unsigned char *buf; |
3408 | int buf_size; | |
05793179 NC |
3409 | |
3410 | total = 0; | |
cf7a3c01 | 3411 | *pelength = 0; |
05793179 | 3412 | filepos = (file_ptr) 0; |
7e1b5887 OT |
3413 | buf = (unsigned char *) bfd_malloc (COFF_CHECKSUM_BUFFER_SIZE); |
3414 | if (buf == NULL) | |
3415 | return 0; | |
3416 | buf_size = 0; | |
05793179 NC |
3417 | |
3418 | do | |
3419 | { | |
7e1b5887 OT |
3420 | unsigned char *cur_buf; |
3421 | int cur_buf_size; | |
3422 | ||
05793179 NC |
3423 | if (bfd_seek (abfd, filepos, SEEK_SET) != 0) |
3424 | return 0; | |
3425 | ||
226f9f4f | 3426 | buf_size = bfd_read (buf, COFF_CHECKSUM_BUFFER_SIZE, abfd); |
7e1b5887 OT |
3427 | cur_buf_size = buf_size; |
3428 | cur_buf = buf; | |
3429 | ||
3430 | while (cur_buf_size > 0) | |
3431 | { | |
3432 | coff_read_word_from_buffer (cur_buf, cur_buf_size, &value, pelength); | |
3433 | cur_buf += 2; | |
3434 | cur_buf_size -= 2; | |
3435 | total += value; | |
3436 | total = 0xffff & (total + (total >> 0x10)); | |
3437 | } | |
3438 | ||
3439 | filepos += buf_size; | |
05793179 | 3440 | } |
7e1b5887 OT |
3441 | while (buf_size > 0); |
3442 | ||
3443 | free (buf); | |
05793179 NC |
3444 | |
3445 | return (0xffff & (total + (total >> 0x10))); | |
3446 | } | |
3447 | ||
0a1b45a2 | 3448 | static bool |
7920ce38 | 3449 | coff_apply_checksum (bfd *abfd) |
05793179 NC |
3450 | { |
3451 | unsigned int computed; | |
3452 | unsigned int checksum = 0; | |
cf7a3c01 AM |
3453 | unsigned int peheader; |
3454 | unsigned int pelength; | |
05793179 NC |
3455 | |
3456 | if (bfd_seek (abfd, 0x3c, SEEK_SET) != 0) | |
0a1b45a2 | 3457 | return false; |
05793179 | 3458 | |
cf7a3c01 | 3459 | if (!coff_read_word (abfd, &peheader, &pelength)) |
0a1b45a2 | 3460 | return false; |
05793179 NC |
3461 | |
3462 | if (bfd_seek (abfd, peheader + 0x58, SEEK_SET) != 0) | |
0a1b45a2 | 3463 | return false; |
05793179 NC |
3464 | |
3465 | checksum = 0; | |
e416bd75 AM |
3466 | if (bfd_write (&checksum, 4, abfd) != 4) |
3467 | return false; | |
05793179 NC |
3468 | |
3469 | if (bfd_seek (abfd, peheader, SEEK_SET) != 0) | |
0a1b45a2 | 3470 | return false; |
05793179 | 3471 | |
cf7a3c01 | 3472 | computed = coff_compute_checksum (abfd, &pelength); |
05793179 NC |
3473 | |
3474 | checksum = computed + pelength; | |
3475 | ||
3476 | if (bfd_seek (abfd, peheader + 0x58, SEEK_SET) != 0) | |
0a1b45a2 | 3477 | return false; |
05793179 | 3478 | |
e416bd75 | 3479 | return bfd_write (&checksum, 4, abfd) == 4; |
05793179 NC |
3480 | } |
3481 | ||
3482 | #endif /* COFF_IMAGE_WITH_PE */ | |
3483 | ||
0a1b45a2 | 3484 | static bool |
7920ce38 | 3485 | coff_write_object_contents (bfd * abfd) |
252b5132 RH |
3486 | { |
3487 | asection *current; | |
0a1b45a2 AM |
3488 | bool hasrelocs = false; |
3489 | bool haslinno = false; | |
3390ce30 | 3490 | #ifdef COFF_IMAGE_WITH_PE |
0a1b45a2 | 3491 | bool hasdebug = false; |
3390ce30 | 3492 | #endif |
252b5132 RH |
3493 | file_ptr scn_base; |
3494 | file_ptr reloc_base; | |
3495 | file_ptr lineno_base; | |
3496 | file_ptr sym_base; | |
3e4554a2 | 3497 | unsigned long reloc_size = 0, reloc_count = 0; |
252b5132 | 3498 | unsigned long lnno_size = 0; |
0a1b45a2 | 3499 | bool long_section_names; |
252b5132 RH |
3500 | asection *text_sec = NULL; |
3501 | asection *data_sec = NULL; | |
3502 | asection *bss_sec = NULL; | |
1b2cb8e2 CC |
3503 | #ifdef RS6000COFF_C |
3504 | asection *tdata_sec = NULL; | |
3505 | asection *tbss_sec = NULL; | |
3506 | #endif | |
252b5132 RH |
3507 | struct internal_filehdr internal_f; |
3508 | struct internal_aouthdr internal_a; | |
3509 | #ifdef COFF_LONG_SECTION_NAMES | |
3510 | size_t string_size = STRING_SIZE_SIZE; | |
3511 | #endif | |
3512 | ||
3513 | bfd_set_error (bfd_error_system_call); | |
3514 | ||
3515 | /* Make a pass through the symbol table to count line number entries and | |
ed781d5d | 3516 | put them into the correct asections. */ |
6b3b007b | 3517 | lnno_size = coff_count_linenumbers (abfd) * bfd_coff_linesz (abfd); |
252b5132 | 3518 | |
82e51918 | 3519 | if (! abfd->output_has_begun) |
252b5132 RH |
3520 | { |
3521 | if (! coff_compute_section_file_positions (abfd)) | |
0a1b45a2 | 3522 | return false; |
252b5132 RH |
3523 | } |
3524 | ||
3525 | reloc_base = obj_relocbase (abfd); | |
3526 | ||
ed781d5d | 3527 | /* Work out the size of the reloc and linno areas. */ |
252b5132 RH |
3528 | |
3529 | for (current = abfd->sections; current != NULL; current = | |
3530 | current->next) | |
3e4554a2 | 3531 | { |
f717994f | 3532 | #ifdef COFF_WITH_EXTENDED_RELOC_COUNTER |
ed781d5d | 3533 | /* We store the actual reloc count in the first reloc's addr. */ |
f717994f | 3534 | if ((obj_pe (abfd) || obj_go32 (abfd)) && current->reloc_count >= 0xffff) |
3e4554a2 DD |
3535 | reloc_count ++; |
3536 | #endif | |
3537 | reloc_count += current->reloc_count; | |
3538 | } | |
3539 | ||
3540 | reloc_size = reloc_count * bfd_coff_relsz (abfd); | |
252b5132 RH |
3541 | |
3542 | lineno_base = reloc_base + reloc_size; | |
3543 | sym_base = lineno_base + lnno_size; | |
3544 | ||
ed781d5d | 3545 | /* Indicate in each section->line_filepos its actual file address. */ |
252b5132 RH |
3546 | for (current = abfd->sections; current != NULL; current = |
3547 | current->next) | |
3548 | { | |
3549 | if (current->lineno_count) | |
3550 | { | |
3551 | current->line_filepos = lineno_base; | |
3552 | current->moving_line_filepos = lineno_base; | |
6b3b007b | 3553 | lineno_base += current->lineno_count * bfd_coff_linesz (abfd); |
252b5132 RH |
3554 | } |
3555 | else | |
7920ce38 NC |
3556 | current->line_filepos = 0; |
3557 | ||
252b5132 RH |
3558 | if (current->reloc_count) |
3559 | { | |
3560 | current->rel_filepos = reloc_base; | |
6b3b007b | 3561 | reloc_base += current->reloc_count * bfd_coff_relsz (abfd); |
f717994f | 3562 | #ifdef COFF_WITH_EXTENDED_RELOC_COUNTER |
ed781d5d | 3563 | /* Extra reloc to hold real count. */ |
f717994f | 3564 | if ((obj_pe (abfd) || obj_go32 (abfd)) && current->reloc_count >= 0xffff) |
3e4554a2 DD |
3565 | reloc_base += bfd_coff_relsz (abfd); |
3566 | #endif | |
252b5132 RH |
3567 | } |
3568 | else | |
7920ce38 | 3569 | current->rel_filepos = 0; |
252b5132 RH |
3570 | } |
3571 | ||
3572 | /* Write section headers to the file. */ | |
3573 | internal_f.f_nscns = 0; | |
3574 | ||
3575 | if ((abfd->flags & EXEC_P) != 0) | |
6b3b007b | 3576 | scn_base = bfd_coff_filhsz (abfd) + bfd_coff_aoutsz (abfd); |
252b5132 RH |
3577 | else |
3578 | { | |
6b3b007b | 3579 | scn_base = bfd_coff_filhsz (abfd); |
252b5132 | 3580 | #ifdef RS6000COFF_C |
dc810e39 | 3581 | #ifndef XCOFF64 |
252b5132 | 3582 | if (xcoff_data (abfd)->full_aouthdr) |
6b3b007b | 3583 | scn_base += bfd_coff_aoutsz (abfd); |
252b5132 RH |
3584 | else |
3585 | scn_base += SMALL_AOUTSZ; | |
dc810e39 | 3586 | #endif |
252b5132 RH |
3587 | #endif |
3588 | } | |
3589 | ||
3590 | if (bfd_seek (abfd, scn_base, SEEK_SET) != 0) | |
0a1b45a2 | 3591 | return false; |
252b5132 | 3592 | |
0a1b45a2 | 3593 | long_section_names = false; |
252b5132 RH |
3594 | for (current = abfd->sections; |
3595 | current != NULL; | |
3596 | current = current->next) | |
3597 | { | |
3598 | struct internal_scnhdr section; | |
3390ce30 | 3599 | #ifdef COFF_IMAGE_WITH_PE |
0a1b45a2 | 3600 | bool is_reloc_section = false; |
252b5132 | 3601 | |
bdeb4032 | 3602 | if (strcmp (current->name, DOT_RELOC) == 0) |
252b5132 | 3603 | { |
0a1b45a2 AM |
3604 | is_reloc_section = true; |
3605 | hasrelocs = true; | |
252b5132 RH |
3606 | pe_data (abfd)->has_reloc_section = 1; |
3607 | } | |
3608 | #endif | |
3609 | ||
252b5132 RH |
3610 | internal_f.f_nscns++; |
3611 | ||
3612 | strncpy (section.s_name, current->name, SCNNMLEN); | |
3613 | ||
3614 | #ifdef COFF_LONG_SECTION_NAMES | |
3615 | /* Handle long section names as in PE. This must be compatible | |
46f2f11d | 3616 | with the code in coff_write_symbols and _bfd_coff_final_link. */ |
88183869 DK |
3617 | if (bfd_coff_long_section_names (abfd)) |
3618 | { | |
3619 | size_t len; | |
252b5132 | 3620 | |
88183869 DK |
3621 | len = strlen (current->name); |
3622 | if (len > SCNNMLEN) | |
3623 | { | |
6b1cecf3 DK |
3624 | |
3625 | /* An inherent limitation of the /nnnnnnn notation used to indicate | |
3626 | the offset of the long name in the string table is that we | |
3627 | cannot address entries beyone the ten million byte boundary. */ | |
768d1d87 TG |
3628 | if (string_size < 10000000) |
3629 | { | |
3630 | /* The s_name field is defined to be NUL-padded but need not | |
3631 | be NUL-terminated. We use a temporary buffer so that we | |
3632 | can still sprintf all eight chars without splatting a | |
3633 | terminating NUL over the first byte of the following | |
3634 | member (s_paddr). */ | |
3635 | /* PR 21096: The +20 is to stop a bogus warning from gcc7 | |
3636 | about a possible buffer overflow. */ | |
3637 | char s_name_buf[SCNNMLEN + 1 + 20]; | |
3638 | ||
3639 | /* We do not need to use snprintf here as we have already | |
3640 | verified that string_size is not too big, plus we have | |
3641 | an overlarge buffer, just in case. */ | |
3642 | sprintf (s_name_buf, "/%lu", (unsigned long) string_size); | |
3643 | /* Then strncpy takes care of any padding for us. */ | |
3644 | strncpy (section.s_name, s_name_buf, SCNNMLEN); | |
3645 | } | |
3646 | else | |
3647 | #ifdef COFF_WITH_PE | |
3648 | { | |
3649 | /* PE use a base 64 encoding for long section names whose | |
3650 | index is very large. But contrary to RFC 4648, there is | |
3651 | no padding: 6 characters must be generated. */ | |
3652 | static const char base64[] = | |
3653 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
3654 | "abcdefghijklmnopqrstuvwxyz" | |
3655 | "0123456789+/"; | |
3656 | unsigned long off = string_size; | |
3657 | unsigned i; | |
3658 | ||
3659 | section.s_name[0] = '/'; | |
3660 | section.s_name[1] = '/'; | |
3661 | for (i = SCNNMLEN - 1; i >= 2; i--) | |
3662 | { | |
3663 | section.s_name[i] = base64[off & 0x3f]; | |
3664 | off >>= 6; | |
3665 | } | |
3666 | } | |
3667 | #endif | |
3668 | if (string_size > 0xffffffffUL - (len + 1) | |
3669 | #ifndef COFF_WITH_PE | |
3670 | || string_size >= 10000000 | |
3671 | #endif | |
3672 | ) | |
6b1cecf3 DK |
3673 | { |
3674 | bfd_set_error (bfd_error_file_too_big); | |
4eca0228 | 3675 | _bfd_error_handler |
695344c0 | 3676 | /* xgettext:c-format */ |
871b3ab2 | 3677 | (_("%pB: section %pA: string table overflow at offset %ld"), |
d42c267e | 3678 | abfd, current, (unsigned long) string_size); |
0a1b45a2 | 3679 | return false; |
6b1cecf3 DK |
3680 | } |
3681 | ||
88183869 | 3682 | string_size += len + 1; |
0a1b45a2 | 3683 | long_section_names = true; |
88183869 DK |
3684 | } |
3685 | } | |
252b5132 RH |
3686 | #endif |
3687 | ||
3688 | #ifdef _LIB | |
3689 | /* Always set s_vaddr of .lib to 0. This is right for SVR3.2 | |
3690 | Ian Taylor <ian@cygnus.com>. */ | |
3691 | if (strcmp (current->name, _LIB) == 0) | |
3692 | section.s_vaddr = 0; | |
3693 | else | |
3694 | #endif | |
3695 | section.s_vaddr = current->vma; | |
3696 | section.s_paddr = current->lma; | |
eea6121a | 3697 | section.s_size = current->size; |
b9af77f5 | 3698 | #ifdef coff_get_section_load_page |
e60b52c6 | 3699 | section.s_page = coff_get_section_load_page (current); |
44f74642 NC |
3700 | #else |
3701 | section.s_page = 0; | |
b9af77f5 | 3702 | #endif |
252b5132 RH |
3703 | |
3704 | #ifdef COFF_WITH_PE | |
3705 | section.s_paddr = 0; | |
3706 | #endif | |
3707 | #ifdef COFF_IMAGE_WITH_PE | |
3708 | /* Reminder: s_paddr holds the virtual size of the section. */ | |
3709 | if (coff_section_data (abfd, current) != NULL | |
3710 | && pei_section_data (abfd, current) != NULL) | |
3711 | section.s_paddr = pei_section_data (abfd, current)->virt_size; | |
3712 | else | |
3713 | section.s_paddr = 0; | |
3714 | #endif | |
3715 | ||
ed781d5d NC |
3716 | /* If this section has no size or is unloadable then the scnptr |
3717 | will be 0 too. */ | |
eea6121a AM |
3718 | if (current->size == 0 |
3719 | || (current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
ed781d5d | 3720 | section.s_scnptr = 0; |
252b5132 | 3721 | else |
ed781d5d NC |
3722 | section.s_scnptr = current->filepos; |
3723 | ||
252b5132 RH |
3724 | section.s_relptr = current->rel_filepos; |
3725 | section.s_lnnoptr = current->line_filepos; | |
3726 | section.s_nreloc = current->reloc_count; | |
3727 | section.s_nlnno = current->lineno_count; | |
79207490 ILT |
3728 | #ifndef COFF_IMAGE_WITH_PE |
3729 | /* In PEI, relocs come in the .reloc section. */ | |
252b5132 | 3730 | if (current->reloc_count != 0) |
0a1b45a2 | 3731 | hasrelocs = true; |
79207490 | 3732 | #endif |
252b5132 | 3733 | if (current->lineno_count != 0) |
0a1b45a2 | 3734 | haslinno = true; |
3390ce30 | 3735 | #ifdef COFF_IMAGE_WITH_PE |
4cfec37b ILT |
3736 | if ((current->flags & SEC_DEBUGGING) != 0 |
3737 | && ! is_reloc_section) | |
0a1b45a2 | 3738 | hasdebug = true; |
3390ce30 | 3739 | #endif |
252b5132 | 3740 | |
60bcf0fa | 3741 | #ifdef RS6000COFF_C |
7f6d05e8 | 3742 | #ifndef XCOFF64 |
252b5132 RH |
3743 | /* Indicate the use of an XCOFF overflow section header. */ |
3744 | if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff) | |
3745 | { | |
3746 | section.s_nreloc = 0xffff; | |
3747 | section.s_nlnno = 0xffff; | |
3748 | } | |
7f6d05e8 | 3749 | #endif |
252b5132 RH |
3750 | #endif |
3751 | ||
3752 | section.s_flags = sec_to_styp_flags (current->name, current->flags); | |
3753 | ||
3754 | if (!strcmp (current->name, _TEXT)) | |
ed781d5d | 3755 | text_sec = current; |
252b5132 | 3756 | else if (!strcmp (current->name, _DATA)) |
ed781d5d | 3757 | data_sec = current; |
252b5132 | 3758 | else if (!strcmp (current->name, _BSS)) |
ed781d5d | 3759 | bss_sec = current; |
1b2cb8e2 CC |
3760 | #ifdef RS6000COFF_C |
3761 | else if (!strcmp (current->name, _TDATA)) | |
3762 | tdata_sec = current; | |
3763 | else if (!strcmp (current->name, _TBSS)) | |
3764 | tbss_sec = current; | |
3765 | #endif | |
3766 | ||
252b5132 | 3767 | |
81635ce4 | 3768 | #ifdef COFF_ENCODE_ALIGNMENT |
6f8f6017 AM |
3769 | if (COFF_ENCODE_ALIGNMENT (abfd, section, current->alignment_power) |
3770 | && (COFF_DECODE_ALIGNMENT (section.s_flags) | |
3771 | != current->alignment_power)) | |
5be87c8f | 3772 | { |
6f8f6017 AM |
3773 | bool warn = (coff_data (abfd)->link_info |
3774 | && !bfd_link_relocatable (coff_data (abfd)->link_info)); | |
5be87c8f JB |
3775 | |
3776 | _bfd_error_handler | |
3777 | /* xgettext:c-format */ | |
871b3ab2 | 3778 | (_("%pB:%s section %s: alignment 2**%u not representable"), |
6f8f6017 AM |
3779 | abfd, warn ? " warning:" : "", current->name, |
3780 | current->alignment_power); | |
5be87c8f JB |
3781 | if (!warn) |
3782 | { | |
3783 | bfd_set_error (bfd_error_nonrepresentable_section); | |
0a1b45a2 | 3784 | return false; |
07d6d2b8 | 3785 | } |
5be87c8f | 3786 | } |
252b5132 RH |
3787 | #endif |
3788 | ||
3789 | #ifdef COFF_IMAGE_WITH_PE | |
00692651 ILT |
3790 | /* Suppress output of the sections if they are null. ld |
3791 | includes the bss and data sections even if there is no size | |
3792 | assigned to them. NT loader doesn't like it if these section | |
3793 | headers are included if the sections themselves are not | |
3794 | needed. See also coff_compute_section_file_positions. */ | |
252b5132 RH |
3795 | if (section.s_size == 0) |
3796 | internal_f.f_nscns--; | |
3797 | else | |
3798 | #endif | |
3799 | { | |
3800 | SCNHDR buff; | |
dc810e39 AM |
3801 | bfd_size_type amt = bfd_coff_scnhsz (abfd); |
3802 | ||
f717994f | 3803 | if (bfd_coff_swap_scnhdr_out (abfd, §ion, &buff) == 0 |
226f9f4f | 3804 | || bfd_write (& buff, amt, abfd) != amt) |
0a1b45a2 | 3805 | return false; |
252b5132 RH |
3806 | } |
3807 | ||
3808 | #ifdef COFF_WITH_PE | |
3809 | /* PE stores COMDAT section information in the symbol table. If | |
46f2f11d AM |
3810 | this section is supposed to have some COMDAT info, track down |
3811 | the symbol in the symbol table and modify it. */ | |
252b5132 RH |
3812 | if ((current->flags & SEC_LINK_ONCE) != 0) |
3813 | { | |
3814 | unsigned int i, count; | |
3815 | asymbol **psym; | |
3816 | coff_symbol_type *csym = NULL; | |
3817 | asymbol **psymsec; | |
3818 | ||
3819 | psymsec = NULL; | |
3820 | count = bfd_get_symcount (abfd); | |
3821 | for (i = 0, psym = abfd->outsymbols; i < count; i++, psym++) | |
3822 | { | |
3823 | if ((*psym)->section != current) | |
3824 | continue; | |
3825 | ||
3826 | /* Remember the location of the first symbol in this | |
46f2f11d | 3827 | section. */ |
252b5132 RH |
3828 | if (psymsec == NULL) |
3829 | psymsec = psym; | |
3830 | ||
3831 | /* See if this is the section symbol. */ | |
3832 | if (strcmp ((*psym)->name, current->name) == 0) | |
3833 | { | |
f4943d82 | 3834 | csym = coff_symbol_from (*psym); |
252b5132 RH |
3835 | if (csym == NULL |
3836 | || csym->native == NULL | |
a5c71af8 | 3837 | || ! csym->native->is_sym |
252b5132 RH |
3838 | || csym->native->u.syment.n_numaux < 1 |
3839 | || csym->native->u.syment.n_sclass != C_STAT | |
3840 | || csym->native->u.syment.n_type != T_NULL) | |
3841 | continue; | |
3842 | ||
3843 | /* Here *PSYM is the section symbol for CURRENT. */ | |
3844 | ||
3845 | break; | |
3846 | } | |
3847 | } | |
3848 | ||
3849 | /* Did we find it? | |
3850 | Note that we might not if we're converting the file from | |
3851 | some other object file format. */ | |
3852 | if (i < count) | |
3853 | { | |
3854 | combined_entry_type *aux; | |
3855 | ||
3856 | /* We don't touch the x_checksum field. The | |
3857 | x_associated field is not currently supported. */ | |
3858 | ||
3859 | aux = csym->native + 1; | |
a5c71af8 | 3860 | BFD_ASSERT (! aux->is_sym); |
252b5132 RH |
3861 | switch (current->flags & SEC_LINK_DUPLICATES) |
3862 | { | |
3863 | case SEC_LINK_DUPLICATES_DISCARD: | |
3864 | aux->u.auxent.x_scn.x_comdat = IMAGE_COMDAT_SELECT_ANY; | |
3865 | break; | |
3866 | ||
3867 | case SEC_LINK_DUPLICATES_ONE_ONLY: | |
3868 | aux->u.auxent.x_scn.x_comdat = | |
3869 | IMAGE_COMDAT_SELECT_NODUPLICATES; | |
3870 | break; | |
3871 | ||
3872 | case SEC_LINK_DUPLICATES_SAME_SIZE: | |
3873 | aux->u.auxent.x_scn.x_comdat = | |
3874 | IMAGE_COMDAT_SELECT_SAME_SIZE; | |
3875 | break; | |
3876 | ||
3877 | case SEC_LINK_DUPLICATES_SAME_CONTENTS: | |
3878 | aux->u.auxent.x_scn.x_comdat = | |
3879 | IMAGE_COMDAT_SELECT_EXACT_MATCH; | |
3880 | break; | |
3881 | } | |
3882 | ||
3883 | /* The COMDAT symbol must be the first symbol from this | |
46f2f11d AM |
3884 | section in the symbol table. In order to make this |
3885 | work, we move the COMDAT symbol before the first | |
3886 | symbol we found in the search above. It's OK to | |
3887 | rearrange the symbol table at this point, because | |
3888 | coff_renumber_symbols is going to rearrange it | |
3889 | further and fix up all the aux entries. */ | |
252b5132 RH |
3890 | if (psym != psymsec) |
3891 | { | |
3892 | asymbol *hold; | |
3893 | asymbol **pcopy; | |
3894 | ||
3895 | hold = *psym; | |
3896 | for (pcopy = psym; pcopy > psymsec; pcopy--) | |
3897 | pcopy[0] = pcopy[-1]; | |
3898 | *psymsec = hold; | |
3899 | } | |
3900 | } | |
3901 | } | |
3902 | #endif /* COFF_WITH_PE */ | |
3903 | } | |
3904 | ||
3905 | #ifdef RS6000COFF_C | |
dc810e39 | 3906 | #ifndef XCOFF64 |
252b5132 RH |
3907 | /* XCOFF handles overflows in the reloc and line number count fields |
3908 | by creating a new section header to hold the correct values. */ | |
3909 | for (current = abfd->sections; current != NULL; current = current->next) | |
3910 | { | |
3911 | if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff) | |
3912 | { | |
3913 | struct internal_scnhdr scnhdr; | |
3914 | SCNHDR buff; | |
dc810e39 | 3915 | bfd_size_type amt; |
252b5132 RH |
3916 | |
3917 | internal_f.f_nscns++; | |
2d63fb6c | 3918 | memcpy (scnhdr.s_name, ".ovrflo", 8); |
252b5132 RH |
3919 | scnhdr.s_paddr = current->reloc_count; |
3920 | scnhdr.s_vaddr = current->lineno_count; | |
3921 | scnhdr.s_size = 0; | |
3922 | scnhdr.s_scnptr = 0; | |
3923 | scnhdr.s_relptr = current->rel_filepos; | |
3924 | scnhdr.s_lnnoptr = current->line_filepos; | |
3925 | scnhdr.s_nreloc = current->target_index; | |
3926 | scnhdr.s_nlnno = current->target_index; | |
3927 | scnhdr.s_flags = STYP_OVRFLO; | |
dc810e39 | 3928 | amt = bfd_coff_scnhsz (abfd); |
f717994f | 3929 | if (bfd_coff_swap_scnhdr_out (abfd, &scnhdr, &buff) == 0 |
226f9f4f | 3930 | || bfd_write (& buff, amt, abfd) != amt) |
0a1b45a2 | 3931 | return false; |
252b5132 RH |
3932 | } |
3933 | } | |
beb1bf64 | 3934 | #endif |
252b5132 RH |
3935 | #endif |
3936 | ||
f717994f JMG |
3937 | #if defined (COFF_GO32_EXE) || defined (COFF_GO32) |
3938 | /* Pad section headers. */ | |
e416bd75 | 3939 | if ((abfd->flags & EXEC_P) != 0) |
f717994f | 3940 | { |
e416bd75 AM |
3941 | asection *s = abfd->sections; |
3942 | while (s != NULL && s->filepos == 0) | |
3943 | s = s->next; | |
3944 | if (s != NULL) | |
f717994f | 3945 | { |
e416bd75 AM |
3946 | file_ptr cur_ptr |
3947 | = scn_base + abfd->section_count * bfd_coff_scnhsz (abfd); | |
3948 | file_ptr fill_size = s->filepos - cur_ptr; | |
3949 | if (fill_size > 0) | |
3950 | { | |
3951 | bfd_byte *b = bfd_zmalloc (fill_size); | |
3952 | if (!b) | |
3953 | return false; | |
3954 | if (bfd_write (b, fill_size, abfd) != (ufile_ptr) fill_size) | |
3955 | { | |
3956 | free (b); | |
3957 | return false; | |
3958 | } | |
3959 | free (b); | |
3960 | } | |
f717994f JMG |
3961 | } |
3962 | } | |
3963 | #endif | |
3964 | ||
e60b52c6 | 3965 | /* OK, now set up the filehdr... */ |
252b5132 RH |
3966 | |
3967 | /* Don't include the internal abs section in the section count */ | |
3968 | ||
ed781d5d | 3969 | /* We will NOT put a fucking timestamp in the header here. Every time you |
252b5132 RH |
3970 | put it back, I will come in and take it out again. I'm sorry. This |
3971 | field does not belong here. We fill it with a 0 so it compares the | |
ed781d5d | 3972 | same but is not a reasonable time. -- gnu@cygnus.com */ |
252b5132 | 3973 | internal_f.f_timdat = 0; |
252b5132 RH |
3974 | internal_f.f_flags = 0; |
3975 | ||
3976 | if (abfd->flags & EXEC_P) | |
6b3b007b | 3977 | internal_f.f_opthdr = bfd_coff_aoutsz (abfd); |
252b5132 RH |
3978 | else |
3979 | { | |
3980 | internal_f.f_opthdr = 0; | |
3981 | #ifdef RS6000COFF_C | |
dc810e39 | 3982 | #ifndef XCOFF64 |
252b5132 | 3983 | if (xcoff_data (abfd)->full_aouthdr) |
6b3b007b | 3984 | internal_f.f_opthdr = bfd_coff_aoutsz (abfd); |
252b5132 RH |
3985 | else |
3986 | internal_f.f_opthdr = SMALL_AOUTSZ; | |
dc810e39 | 3987 | #endif |
252b5132 RH |
3988 | #endif |
3989 | } | |
3990 | ||
3991 | if (!hasrelocs) | |
3992 | internal_f.f_flags |= F_RELFLG; | |
3993 | if (!haslinno) | |
3994 | internal_f.f_flags |= F_LNNO; | |
3995 | if (abfd->flags & EXEC_P) | |
3996 | internal_f.f_flags |= F_EXEC; | |
4cfec37b ILT |
3997 | #ifdef COFF_IMAGE_WITH_PE |
3998 | if (! hasdebug) | |
3999 | internal_f.f_flags |= IMAGE_FILE_DEBUG_STRIPPED; | |
d70270c5 BF |
4000 | if (pe_data (abfd)->real_flags & IMAGE_FILE_LARGE_ADDRESS_AWARE) |
4001 | internal_f.f_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE; | |
4cfec37b | 4002 | #endif |
252b5132 | 4003 | |
31f60095 | 4004 | #if !defined(COFF_WITH_pex64) && !defined(COFF_WITH_peAArch64) && !defined(COFF_WITH_peLoongArch64) |
bcb9b88d NC |
4005 | #ifdef COFF_WITH_PE |
4006 | internal_f.f_flags |= IMAGE_FILE_32BIT_MACHINE; | |
4007 | #else | |
252b5132 RH |
4008 | if (bfd_little_endian (abfd)) |
4009 | internal_f.f_flags |= F_AR32WR; | |
4010 | else | |
4011 | internal_f.f_flags |= F_AR32W; | |
8a1ad8e7 | 4012 | #endif |
99ad8390 | 4013 | #endif |
252b5132 | 4014 | |
81635ce4 | 4015 | #ifdef TI_TARGET_ID |
ed781d5d NC |
4016 | /* Target id is used in TI COFF v1 and later; COFF0 won't use this field, |
4017 | but it doesn't hurt to set it internally. */ | |
81635ce4 TW |
4018 | internal_f.f_target_id = TI_TARGET_ID; |
4019 | #endif | |
252b5132 | 4020 | |
ed781d5d NC |
4021 | /* FIXME, should do something about the other byte orders and |
4022 | architectures. */ | |
252b5132 RH |
4023 | |
4024 | #ifdef RS6000COFF_C | |
4025 | if ((abfd->flags & DYNAMIC) != 0) | |
4026 | internal_f.f_flags |= F_SHROBJ; | |
4027 | if (bfd_get_section_by_name (abfd, _LOADER) != NULL) | |
4028 | internal_f.f_flags |= F_DYNLOAD; | |
4029 | #endif | |
4030 | ||
e2b4fc91 TS |
4031 | memset (&internal_a, 0, sizeof internal_a); |
4032 | ||
ed781d5d | 4033 | /* Set up architecture-dependent stuff. */ |
252b5132 RH |
4034 | { |
4035 | unsigned int magic = 0; | |
4036 | unsigned short flags = 0; | |
ed781d5d | 4037 | |
252b5132 RH |
4038 | coff_set_flags (abfd, &magic, &flags); |
4039 | internal_f.f_magic = magic; | |
4040 | internal_f.f_flags |= flags; | |
e60b52c6 | 4041 | /* ...and the "opt"hdr... */ |
252b5132 | 4042 | |
81635ce4 TW |
4043 | #ifdef TICOFF_AOUT_MAGIC |
4044 | internal_a.magic = TICOFF_AOUT_MAGIC; | |
4045 | #define __A_MAGIC_SET__ | |
4046 | #endif | |
252b5132 | 4047 | |
252b5132 RH |
4048 | #if defined(ARM) |
4049 | #define __A_MAGIC_SET__ | |
4050 | internal_a.magic = ZMAGIC; | |
e60b52c6 | 4051 | #endif |
252b5132 | 4052 | |
b69c9d41 TC |
4053 | #if defined(AARCH64) |
4054 | #define __A_MAGIC_SET__ | |
4055 | internal_a.magic = ZMAGIC; | |
4056 | #endif | |
4057 | ||
31f60095 YT |
4058 | #if defined(LOONGARCH64) |
4059 | #define __A_MAGIC_SET__ | |
4060 | internal_a.magic = ZMAGIC; | |
4061 | #endif | |
4062 | ||
252b5132 RH |
4063 | #if defined MCORE_PE |
4064 | #define __A_MAGIC_SET__ | |
4065 | internal_a.magic = IMAGE_NT_OPTIONAL_HDR_MAGIC; | |
e60b52c6 | 4066 | #endif |
252b5132 RH |
4067 | |
4068 | #if defined(I386) | |
4069 | #define __A_MAGIC_SET__ | |
99ad8390 | 4070 | #if defined LYNXOS |
252b5132 | 4071 | internal_a.magic = LYNXCOFFMAGIC; |
99ad8390 NC |
4072 | #elif defined AMD64 |
4073 | internal_a.magic = IMAGE_NT_OPTIONAL_HDR64_MAGIC; | |
4074 | #else | |
252b5132 | 4075 | internal_a.magic = ZMAGIC; |
99ad8390 | 4076 | #endif |
252b5132 RH |
4077 | #endif /* I386 */ |
4078 | ||
fac41780 JW |
4079 | #if defined(IA64) |
4080 | #define __A_MAGIC_SET__ | |
7a2ec0a6 | 4081 | internal_a.magic = PE32PMAGIC; |
fac41780 JW |
4082 | #endif /* IA64 */ |
4083 | ||
252b5132 RH |
4084 | #if defined(SPARC) |
4085 | #define __A_MAGIC_SET__ | |
4086 | #if defined(LYNXOS) | |
4087 | internal_a.magic = LYNXCOFFMAGIC; | |
4088 | #endif /* LYNXOS */ | |
4089 | #endif /* SPARC */ | |
4090 | ||
4091 | #ifdef RS6000COFF_C | |
4092 | #define __A_MAGIC_SET__ | |
4093 | internal_a.magic = (abfd->flags & D_PAGED) ? RS6K_AOUTHDR_ZMAGIC : | |
4094 | (abfd->flags & WP_TEXT) ? RS6K_AOUTHDR_NMAGIC : | |
4095 | RS6K_AOUTHDR_OMAGIC; | |
4096 | #endif | |
4097 | ||
17505c5c NC |
4098 | #if defined(SH) && defined(COFF_WITH_PE) |
4099 | #define __A_MAGIC_SET__ | |
4100 | internal_a.magic = SH_PE_MAGIC; | |
4101 | #endif | |
4102 | ||
4103 | #if defined(MIPS) && defined(COFF_WITH_PE) | |
4104 | #define __A_MAGIC_SET__ | |
4105 | internal_a.magic = MIPS_PE_MAGIC; | |
4106 | #endif | |
4107 | ||
252b5132 RH |
4108 | #ifndef __A_MAGIC_SET__ |
4109 | #include "Your aouthdr magic number is not being set!" | |
4110 | #else | |
4111 | #undef __A_MAGIC_SET__ | |
4112 | #endif | |
4113 | } | |
4114 | ||
add588a8 CC |
4115 | #ifdef RS6000COFF_C |
4116 | /* XCOFF 32bit needs this to have new behaviour for n_type field. */ | |
4117 | internal_a.vstamp = 2; | |
4118 | #else | |
252b5132 RH |
4119 | /* FIXME: Does anybody ever set this to another value? */ |
4120 | internal_a.vstamp = 0; | |
add588a8 | 4121 | #endif |
252b5132 | 4122 | |
ed781d5d | 4123 | /* Now should write relocs, strings, syms. */ |
252b5132 RH |
4124 | obj_sym_filepos (abfd) = sym_base; |
4125 | ||
4126 | if (bfd_get_symcount (abfd) != 0) | |
4127 | { | |
4128 | int firstundef; | |
0e71e495 | 4129 | |
252b5132 | 4130 | if (!coff_renumber_symbols (abfd, &firstundef)) |
0a1b45a2 | 4131 | return false; |
252b5132 RH |
4132 | coff_mangle_symbols (abfd); |
4133 | if (! coff_write_symbols (abfd)) | |
0a1b45a2 | 4134 | return false; |
252b5132 | 4135 | if (! coff_write_linenumbers (abfd)) |
0a1b45a2 | 4136 | return false; |
252b5132 | 4137 | if (! coff_write_relocs (abfd, firstundef)) |
0a1b45a2 | 4138 | return false; |
252b5132 RH |
4139 | } |
4140 | #ifdef COFF_LONG_SECTION_NAMES | |
d71f672e | 4141 | else if (long_section_names && ! obj_coff_strings_written (abfd)) |
252b5132 RH |
4142 | { |
4143 | /* If we have long section names we have to write out the string | |
46f2f11d | 4144 | table even if there are no symbols. */ |
252b5132 | 4145 | if (! coff_write_symbols (abfd)) |
0a1b45a2 | 4146 | return false; |
252b5132 RH |
4147 | } |
4148 | #endif | |
252b5132 RH |
4149 | /* If bfd_get_symcount (abfd) != 0, then we are not using the COFF |
4150 | backend linker, and obj_raw_syment_count is not valid until after | |
4151 | coff_write_symbols is called. */ | |
4152 | if (obj_raw_syment_count (abfd) != 0) | |
4153 | { | |
4154 | internal_f.f_symptr = sym_base; | |
4155 | #ifdef RS6000COFF_C | |
4156 | /* AIX appears to require that F_RELFLG not be set if there are | |
46f2f11d | 4157 | local symbols but no relocations. */ |
252b5132 RH |
4158 | internal_f.f_flags &=~ F_RELFLG; |
4159 | #endif | |
4160 | } | |
4161 | else | |
4162 | { | |
4163 | if (long_section_names) | |
4164 | internal_f.f_symptr = sym_base; | |
4165 | else | |
4166 | internal_f.f_symptr = 0; | |
4167 | internal_f.f_flags |= F_LSYMS; | |
4168 | } | |
4169 | ||
4170 | if (text_sec) | |
4171 | { | |
eea6121a | 4172 | internal_a.tsize = text_sec->size; |
252b5132 RH |
4173 | internal_a.text_start = internal_a.tsize ? text_sec->vma : 0; |
4174 | } | |
4175 | if (data_sec) | |
4176 | { | |
eea6121a | 4177 | internal_a.dsize = data_sec->size; |
252b5132 RH |
4178 | internal_a.data_start = internal_a.dsize ? data_sec->vma : 0; |
4179 | } | |
4180 | if (bss_sec) | |
4181 | { | |
eea6121a | 4182 | internal_a.bsize = bss_sec->size; |
252b5132 RH |
4183 | if (internal_a.bsize && bss_sec->vma < internal_a.data_start) |
4184 | internal_a.data_start = bss_sec->vma; | |
4185 | } | |
4186 | ||
4187 | internal_a.entry = bfd_get_start_address (abfd); | |
4188 | internal_f.f_nsyms = obj_raw_syment_count (abfd); | |
4189 | ||
4190 | #ifdef RS6000COFF_C | |
4191 | if (xcoff_data (abfd)->full_aouthdr) | |
4192 | { | |
4193 | bfd_vma toc; | |
4194 | asection *loader_sec; | |
4195 | ||
add588a8 | 4196 | internal_a.vstamp = 2; |
252b5132 RH |
4197 | |
4198 | internal_a.o_snentry = xcoff_data (abfd)->snentry; | |
4199 | if (internal_a.o_snentry == 0) | |
4200 | internal_a.entry = (bfd_vma) -1; | |
4201 | ||
4202 | if (text_sec != NULL) | |
4203 | { | |
4204 | internal_a.o_sntext = text_sec->target_index; | |
fd361982 | 4205 | internal_a.o_algntext = bfd_section_alignment (text_sec); |
252b5132 RH |
4206 | } |
4207 | else | |
4208 | { | |
4209 | internal_a.o_sntext = 0; | |
4210 | internal_a.o_algntext = 0; | |
4211 | } | |
4212 | if (data_sec != NULL) | |
4213 | { | |
4214 | internal_a.o_sndata = data_sec->target_index; | |
fd361982 | 4215 | internal_a.o_algndata = bfd_section_alignment (data_sec); |
252b5132 RH |
4216 | } |
4217 | else | |
4218 | { | |
4219 | internal_a.o_sndata = 0; | |
4220 | internal_a.o_algndata = 0; | |
4221 | } | |
4222 | loader_sec = bfd_get_section_by_name (abfd, ".loader"); | |
4223 | if (loader_sec != NULL) | |
4224 | internal_a.o_snloader = loader_sec->target_index; | |
4225 | else | |
4226 | internal_a.o_snloader = 0; | |
4227 | if (bss_sec != NULL) | |
4228 | internal_a.o_snbss = bss_sec->target_index; | |
4229 | else | |
4230 | internal_a.o_snbss = 0; | |
4231 | ||
1b2cb8e2 CC |
4232 | if (tdata_sec != NULL) |
4233 | { | |
4234 | internal_a.o_sntdata = tdata_sec->target_index; | |
4235 | /* TODO: o_flags should be set to RS6K_AOUTHDR_TLS_LE | |
4236 | if there is at least one R_TLS_LE relocations. */ | |
4237 | internal_a.o_flags = 0; | |
4238 | #ifdef XCOFF64 | |
4239 | internal_a.o_x64flags = 0; | |
4240 | #endif | |
4241 | } | |
4242 | else | |
4243 | { | |
4244 | internal_a.o_sntdata = 0; | |
4245 | internal_a.o_flags = 0; | |
4246 | #ifdef XCOFF64 | |
4247 | internal_a.o_x64flags = 0; | |
4248 | #endif | |
4249 | } | |
4250 | if (tbss_sec != NULL) | |
4251 | internal_a.o_sntbss = tbss_sec->target_index; | |
4252 | else | |
4253 | internal_a.o_sntbss = 0; | |
4254 | ||
252b5132 RH |
4255 | toc = xcoff_data (abfd)->toc; |
4256 | internal_a.o_toc = toc; | |
4257 | internal_a.o_sntoc = xcoff_data (abfd)->sntoc; | |
4258 | ||
4259 | internal_a.o_modtype = xcoff_data (abfd)->modtype; | |
4260 | if (xcoff_data (abfd)->cputype != -1) | |
4261 | internal_a.o_cputype = xcoff_data (abfd)->cputype; | |
4262 | else | |
4263 | { | |
4264 | switch (bfd_get_arch (abfd)) | |
4265 | { | |
4266 | case bfd_arch_rs6000: | |
4267 | internal_a.o_cputype = 4; | |
4268 | break; | |
4269 | case bfd_arch_powerpc: | |
250d94fd | 4270 | if (bfd_get_mach (abfd) == bfd_mach_ppc) |
252b5132 | 4271 | internal_a.o_cputype = 3; |
6d4d9328 CC |
4272 | else if (bfd_get_mach (abfd) == bfd_mach_ppc_620) |
4273 | internal_a.o_cputype = 2; | |
252b5132 RH |
4274 | else |
4275 | internal_a.o_cputype = 1; | |
4276 | break; | |
4277 | default: | |
4278 | abort (); | |
4279 | } | |
4280 | } | |
4281 | internal_a.o_maxstack = xcoff_data (abfd)->maxstack; | |
4282 | internal_a.o_maxdata = xcoff_data (abfd)->maxdata; | |
4283 | } | |
4284 | #endif | |
4285 | ||
61e2488c JT |
4286 | #ifdef COFF_WITH_PE |
4287 | { | |
4288 | /* After object contents are finalized so we can compute a reasonable hash, | |
4289 | but before header is written so we can update it to point to debug directory. */ | |
4290 | struct pe_tdata *pe = pe_data (abfd); | |
4291 | ||
4292 | if (pe->build_id.after_write_object_contents != NULL) | |
4293 | (*pe->build_id.after_write_object_contents) (abfd); | |
4294 | } | |
4295 | #endif | |
4296 | ||
4297 | /* Now write header. */ | |
226f9f4f | 4298 | if (bfd_seek (abfd, 0, SEEK_SET) != 0) |
0a1b45a2 | 4299 | return false; |
e60b52c6 | 4300 | |
252b5132 | 4301 | { |
b5f303f0 | 4302 | char * buff; |
dc810e39 | 4303 | bfd_size_type amount = bfd_coff_filhsz (abfd); |
e60b52c6 | 4304 | |
a50b1753 | 4305 | buff = (char *) bfd_malloc (amount); |
e60b52c6 | 4306 | if (buff == NULL) |
0a1b45a2 | 4307 | return false; |
e60b52c6 | 4308 | |
7920ce38 | 4309 | bfd_coff_swap_filehdr_out (abfd, & internal_f, buff); |
226f9f4f | 4310 | amount = bfd_write (buff, amount, abfd); |
e60b52c6 | 4311 | |
2fca4467 | 4312 | free (buff); |
e60b52c6 | 4313 | |
b5f303f0 | 4314 | if (amount != bfd_coff_filhsz (abfd)) |
0a1b45a2 | 4315 | return false; |
252b5132 | 4316 | } |
e60b52c6 | 4317 | |
252b5132 RH |
4318 | if (abfd->flags & EXEC_P) |
4319 | { | |
e60b52c6 | 4320 | /* Note that peicode.h fills in a PEAOUTHDR, not an AOUTHDR. |
ed781d5d | 4321 | include/coff/pe.h sets AOUTSZ == sizeof (PEAOUTHDR)). */ |
b5f303f0 | 4322 | char * buff; |
dc810e39 | 4323 | bfd_size_type amount = bfd_coff_aoutsz (abfd); |
b5f303f0 | 4324 | |
a50b1753 | 4325 | buff = (char *) bfd_malloc (amount); |
e60b52c6 | 4326 | if (buff == NULL) |
0a1b45a2 | 4327 | return false; |
e60b52c6 | 4328 | |
7920ce38 | 4329 | coff_swap_aouthdr_out (abfd, & internal_a, buff); |
226f9f4f | 4330 | amount = bfd_write (buff, amount, abfd); |
e60b52c6 | 4331 | |
2fca4467 | 4332 | free (buff); |
e60b52c6 | 4333 | |
b5f303f0 | 4334 | if (amount != bfd_coff_aoutsz (abfd)) |
0a1b45a2 | 4335 | return false; |
05793179 NC |
4336 | |
4337 | #ifdef COFF_IMAGE_WITH_PE | |
4338 | if (! coff_apply_checksum (abfd)) | |
0a1b45a2 | 4339 | return false; |
05793179 | 4340 | #endif |
252b5132 RH |
4341 | } |
4342 | #ifdef RS6000COFF_C | |
6d4d9328 | 4343 | #ifndef XCOFF64 |
252b5132 RH |
4344 | else |
4345 | { | |
4346 | AOUTHDR buff; | |
4347 | size_t size; | |
4348 | ||
6d4d9328 | 4349 | /* XCOFF32 seems to always write at least a small a.out header. */ |
7920ce38 | 4350 | coff_swap_aouthdr_out (abfd, & internal_a, & buff); |
252b5132 | 4351 | if (xcoff_data (abfd)->full_aouthdr) |
6b3b007b | 4352 | size = bfd_coff_aoutsz (abfd); |
252b5132 RH |
4353 | else |
4354 | size = SMALL_AOUTSZ; | |
226f9f4f | 4355 | if (bfd_write (&buff, size, abfd) != size) |
0a1b45a2 | 4356 | return false; |
252b5132 | 4357 | } |
6d4d9328 | 4358 | #endif |
252b5132 RH |
4359 | #endif |
4360 | ||
0a1b45a2 | 4361 | return true; |
252b5132 RH |
4362 | } |
4363 | ||
0a1b45a2 | 4364 | static bool |
7920ce38 NC |
4365 | coff_set_section_contents (bfd * abfd, |
4366 | sec_ptr section, | |
4367 | const void * location, | |
4368 | file_ptr offset, | |
4369 | bfd_size_type count) | |
252b5132 | 4370 | { |
ed781d5d | 4371 | if (! abfd->output_has_begun) /* Set by bfd.c handler. */ |
252b5132 RH |
4372 | { |
4373 | if (! coff_compute_section_file_positions (abfd)) | |
0a1b45a2 | 4374 | return false; |
252b5132 RH |
4375 | } |
4376 | ||
4377 | #if defined(_LIB) && !defined(TARG_AUX) | |
252b5132 RH |
4378 | /* The physical address field of a .lib section is used to hold the |
4379 | number of shared libraries in the section. This code counts the | |
4380 | number of sections being written, and increments the lma field | |
4381 | with the number. | |
4382 | ||
4383 | I have found no documentation on the contents of this section. | |
4384 | Experimentation indicates that the section contains zero or more | |
4385 | records, each of which has the following structure: | |
4386 | ||
4387 | - a (four byte) word holding the length of this record, in words, | |
4388 | - a word that always seems to be set to "2", | |
4389 | - the path to a shared library, null-terminated and then padded | |
07d6d2b8 | 4390 | to a whole word boundary. |
252b5132 RH |
4391 | |
4392 | bfd_assert calls have been added to alert if an attempt is made | |
4393 | to write a section which doesn't follow these assumptions. The | |
4394 | code has been tested on ISC 4.1 by me, and on SCO by Robert Lipe | |
4395 | <robertl@arnet.com> (Thanks!). | |
e60b52c6 | 4396 | |
ed781d5d | 4397 | Gvran Uddeborg <gvran@uddeborg.pp.se>. */ |
252b5132 RH |
4398 | if (strcmp (section->name, _LIB) == 0) |
4399 | { | |
4400 | bfd_byte *rec, *recend; | |
4401 | ||
4402 | rec = (bfd_byte *) location; | |
4403 | recend = rec + count; | |
ef186fe5 | 4404 | while (recend - rec >= 4) |
252b5132 | 4405 | { |
ef186fe5 AM |
4406 | size_t len = bfd_get_32 (abfd, rec); |
4407 | if (len == 0 || len > (size_t) (recend - rec) / 4) | |
4408 | break; | |
4409 | rec += len * 4; | |
252b5132 | 4410 | ++section->lma; |
252b5132 RH |
4411 | } |
4412 | ||
4413 | BFD_ASSERT (rec == recend); | |
4414 | } | |
252b5132 RH |
4415 | #endif |
4416 | ||
4417 | /* Don't write out bss sections - one way to do this is to | |
e60b52c6 | 4418 | see if the filepos has not been set. */ |
252b5132 | 4419 | if (section->filepos == 0) |
0a1b45a2 | 4420 | return true; |
252b5132 | 4421 | |
dc810e39 | 4422 | if (bfd_seek (abfd, section->filepos + offset, SEEK_SET) != 0) |
0a1b45a2 | 4423 | return false; |
252b5132 | 4424 | |
dc810e39 | 4425 | if (count == 0) |
0a1b45a2 | 4426 | return true; |
dc810e39 | 4427 | |
226f9f4f | 4428 | return bfd_write (location, count, abfd) == count; |
252b5132 | 4429 | } |
252b5132 | 4430 | |
7920ce38 | 4431 | static void * |
7a6e0d89 AM |
4432 | buy_and_read (bfd *abfd, file_ptr where, |
4433 | bfd_size_type nmemb, bfd_size_type size) | |
252b5132 | 4434 | { |
1f4361a7 | 4435 | size_t amt; |
7920ce38 | 4436 | |
1f4361a7 AM |
4437 | if (_bfd_mul_overflow (nmemb, size, &amt)) |
4438 | { | |
4439 | bfd_set_error (bfd_error_file_too_big); | |
4440 | return NULL; | |
4441 | } | |
2bb3687b | 4442 | if (bfd_seek (abfd, where, SEEK_SET) != 0) |
201159ec | 4443 | return NULL; |
1808483c | 4444 | return _bfd_malloc_and_read (abfd, amt, amt); |
7920ce38 | 4445 | } |
252b5132 RH |
4446 | |
4447 | /* | |
4448 | SUBSUBSECTION | |
4449 | Reading linenumbers | |
4450 | ||
4451 | Creating the linenumber table is done by reading in the entire | |
4452 | coff linenumber table, and creating another table for internal use. | |
4453 | ||
4454 | A coff linenumber table is structured so that each function | |
4455 | is marked as having a line number of 0. Each line within the | |
4456 | function is an offset from the first line in the function. The | |
4457 | base of the line number information for the table is stored in | |
4458 | the symbol associated with the function. | |
4459 | ||
00692651 ILT |
4460 | Note: The PE format uses line number 0 for a flag indicating a |
4461 | new source file. | |
4462 | ||
252b5132 RH |
4463 | The information is copied from the external to the internal |
4464 | table, and each symbol which marks a function is marked by | |
4465 | pointing its... | |
4466 | ||
4467 | How does this work ? | |
252b5132 RH |
4468 | */ |
4469 | ||
e708816d NC |
4470 | static int |
4471 | coff_sort_func_alent (const void * arg1, const void * arg2) | |
4472 | { | |
4473 | const alent *al1 = *(const alent **) arg1; | |
4474 | const alent *al2 = *(const alent **) arg2; | |
4475 | const coff_symbol_type *s1 = (const coff_symbol_type *) (al1->u.sym); | |
4476 | const coff_symbol_type *s2 = (const coff_symbol_type *) (al2->u.sym); | |
4477 | ||
20ad5e28 NC |
4478 | if (s1 == NULL || s2 == NULL) |
4479 | return 0; | |
e708816d NC |
4480 | if (s1->symbol.value < s2->symbol.value) |
4481 | return -1; | |
4482 | else if (s1->symbol.value > s2->symbol.value) | |
4483 | return 1; | |
4484 | ||
4485 | return 0; | |
4486 | } | |
4487 | ||
0a1b45a2 | 4488 | static bool |
7920ce38 | 4489 | coff_slurp_line_table (bfd *abfd, asection *asect) |
252b5132 RH |
4490 | { |
4491 | LINENO *native_lineno; | |
4492 | alent *lineno_cache; | |
e708816d NC |
4493 | unsigned int counter; |
4494 | alent *cache_ptr; | |
4495 | bfd_vma prev_offset = 0; | |
0a1b45a2 | 4496 | bool ordered = true; |
e708816d NC |
4497 | unsigned int nbr_func; |
4498 | LINENO *src; | |
0a1b45a2 AM |
4499 | bool have_func; |
4500 | bool ret = true; | |
1f4361a7 | 4501 | size_t amt; |
252b5132 | 4502 | |
5c4ce239 | 4503 | if (asect->lineno_count == 0) |
0a1b45a2 | 4504 | return true; |
5c4ce239 | 4505 | |
7920ce38 | 4506 | BFD_ASSERT (asect->lineno == NULL); |
252b5132 | 4507 | |
1808483c AM |
4508 | native_lineno = (LINENO *) buy_and_read (abfd, asect->line_filepos, |
4509 | asect->lineno_count, | |
4510 | bfd_coff_linesz (abfd)); | |
4511 | if (native_lineno == NULL) | |
a67d66eb NC |
4512 | { |
4513 | _bfd_error_handler | |
1808483c | 4514 | (_("%pB: warning: line number table read failed"), abfd); |
0a1b45a2 | 4515 | return false; |
a67d66eb NC |
4516 | } |
4517 | ||
1f4361a7 AM |
4518 | if (_bfd_mul_overflow (asect->lineno_count + 1, sizeof (alent), &amt)) |
4519 | { | |
4520 | bfd_set_error (bfd_error_file_too_big); | |
1808483c | 4521 | free (native_lineno); |
0a1b45a2 | 4522 | return false; |
1f4361a7 AM |
4523 | } |
4524 | lineno_cache = (alent *) bfd_alloc (abfd, amt); | |
46f2f11d | 4525 | if (lineno_cache == NULL) |
14abcef9 | 4526 | { |
1808483c | 4527 | free (native_lineno); |
0a1b45a2 | 4528 | return false; |
14abcef9 | 4529 | } |
e708816d | 4530 | |
e708816d | 4531 | cache_ptr = lineno_cache; |
46f2f11d | 4532 | asect->lineno = lineno_cache; |
e708816d NC |
4533 | src = native_lineno; |
4534 | nbr_func = 0; | |
0a1b45a2 | 4535 | have_func = false; |
e708816d | 4536 | |
fcfa6240 | 4537 | for (counter = 0; counter < asect->lineno_count; counter++, src++) |
252b5132 | 4538 | { |
e708816d | 4539 | struct internal_lineno dst; |
252b5132 | 4540 | |
e708816d NC |
4541 | bfd_coff_swap_lineno_in (abfd, src, &dst); |
4542 | cache_ptr->line_number = dst.l_lnno; | |
fcfa6240 AM |
4543 | /* Appease memory checkers that get all excited about |
4544 | uninitialised memory when copying alents if u.offset is | |
4545 | larger than u.sym. (64-bit BFD on 32-bit host.) */ | |
4546 | memset (&cache_ptr->u, 0, sizeof (cache_ptr->u)); | |
e708816d NC |
4547 | |
4548 | if (cache_ptr->line_number == 0) | |
252b5132 | 4549 | { |
a5c71af8 | 4550 | combined_entry_type * ent; |
d42c267e | 4551 | unsigned long symndx; |
e708816d NC |
4552 | coff_symbol_type *sym; |
4553 | ||
0a1b45a2 | 4554 | have_func = false; |
e708816d | 4555 | symndx = dst.l_addr.l_symndx; |
fcfa6240 | 4556 | if (symndx >= obj_raw_syment_count (abfd)) |
e708816d | 4557 | { |
4eca0228 | 4558 | _bfd_error_handler |
695344c0 | 4559 | /* xgettext:c-format */ |
871b3ab2 | 4560 | (_("%pB: warning: illegal symbol index 0x%lx in line number entry %d"), |
d42c267e | 4561 | abfd, symndx, counter); |
f41e4712 | 4562 | cache_ptr->line_number = -1; |
0a1b45a2 | 4563 | ret = false; |
5a3f568b | 4564 | continue; |
e708816d | 4565 | } |
ed781d5d | 4566 | |
a5c71af8 | 4567 | ent = obj_raw_syments (abfd) + symndx; |
e708816d NC |
4568 | /* FIXME: We should not be casting between ints and |
4569 | pointers like this. */ | |
a5c71af8 NC |
4570 | if (! ent->is_sym) |
4571 | { | |
4eca0228 | 4572 | _bfd_error_handler |
695344c0 | 4573 | /* xgettext:c-format */ |
871b3ab2 | 4574 | (_("%pB: warning: illegal symbol index 0x%lx in line number entry %d"), |
d42c267e | 4575 | abfd, symndx, counter); |
a5c71af8 | 4576 | cache_ptr->line_number = -1; |
0a1b45a2 | 4577 | ret = false; |
a5c71af8 NC |
4578 | continue; |
4579 | } | |
4580 | sym = (coff_symbol_type *) (ent->u.syment._n._n_n._n_zeroes); | |
a6f921c8 NC |
4581 | |
4582 | /* PR 17512 file: 078-10659-0.004 */ | |
4583 | if (sym < obj_symbols (abfd) | |
f41e4712 | 4584 | || sym >= obj_symbols (abfd) + bfd_get_symcount (abfd)) |
fcfa6240 | 4585 | { |
4eca0228 | 4586 | _bfd_error_handler |
695344c0 | 4587 | /* xgettext:c-format */ |
871b3ab2 | 4588 | (_("%pB: warning: illegal symbol in line number entry %d"), |
fcfa6240 | 4589 | abfd, counter); |
f41e4712 | 4590 | cache_ptr->line_number = -1; |
0a1b45a2 | 4591 | ret = false; |
20ad5e28 | 4592 | continue; |
fcfa6240 | 4593 | } |
20ad5e28 | 4594 | |
0a1b45a2 | 4595 | have_func = true; |
fcfa6240 AM |
4596 | nbr_func++; |
4597 | cache_ptr->u.sym = (asymbol *) sym; | |
5a3f568b | 4598 | if (sym->lineno != NULL) |
4eca0228 | 4599 | _bfd_error_handler |
695344c0 | 4600 | /* xgettext:c-format */ |
871b3ab2 | 4601 | (_("%pB: warning: duplicate line number information for `%s'"), |
e708816d NC |
4602 | abfd, bfd_asymbol_name (&sym->symbol)); |
4603 | ||
4604 | sym->lineno = cache_ptr; | |
4605 | if (sym->symbol.value < prev_offset) | |
0a1b45a2 | 4606 | ordered = false; |
e708816d NC |
4607 | prev_offset = sym->symbol.value; |
4608 | } | |
6bb3e679 AM |
4609 | else if (!have_func) |
4610 | /* Drop line information that has no associated function. | |
4611 | PR 17521: file: 078-10659-0.004. */ | |
4612 | continue; | |
e708816d | 4613 | else |
fd361982 | 4614 | cache_ptr->u.offset = dst.l_addr.l_paddr - bfd_section_vma (asect); |
e708816d | 4615 | cache_ptr++; |
e708816d | 4616 | } |
a6f921c8 | 4617 | |
fcfa6240 AM |
4618 | asect->lineno_count = cache_ptr - lineno_cache; |
4619 | memset (cache_ptr, 0, sizeof (*cache_ptr)); | |
1808483c | 4620 | free (native_lineno); |
e708816d NC |
4621 | |
4622 | /* On some systems (eg AIX5.3) the lineno table may not be sorted. */ | |
4623 | if (!ordered) | |
4624 | { | |
4625 | /* Sort the table. */ | |
4626 | alent **func_table; | |
4627 | alent *n_lineno_cache; | |
4628 | ||
4629 | /* Create a table of functions. */ | |
1f4361a7 AM |
4630 | if (_bfd_mul_overflow (nbr_func, sizeof (alent *), &amt)) |
4631 | { | |
4632 | bfd_set_error (bfd_error_file_too_big); | |
0a1b45a2 | 4633 | ret = false; |
1f4361a7 AM |
4634 | } |
4635 | else if ((func_table = (alent **) bfd_alloc (abfd, amt)) != NULL) | |
e708816d NC |
4636 | { |
4637 | alent **p = func_table; | |
4638 | unsigned int i; | |
4639 | ||
0ac23374 | 4640 | for (i = 0; i < asect->lineno_count; i++) |
e708816d NC |
4641 | if (lineno_cache[i].line_number == 0) |
4642 | *p++ = &lineno_cache[i]; | |
252b5132 | 4643 | |
57494d81 | 4644 | BFD_ASSERT ((unsigned int) (p - func_table) == nbr_func); |
1b786873 | 4645 | |
e708816d NC |
4646 | /* Sort by functions. */ |
4647 | qsort (func_table, nbr_func, sizeof (alent *), coff_sort_func_alent); | |
4648 | ||
4649 | /* Create the new sorted table. */ | |
1f4361a7 AM |
4650 | if (_bfd_mul_overflow (asect->lineno_count, sizeof (alent), &amt)) |
4651 | { | |
4652 | bfd_set_error (bfd_error_file_too_big); | |
0a1b45a2 | 4653 | ret = false; |
1f4361a7 AM |
4654 | } |
4655 | else if ((n_lineno_cache = (alent *) bfd_alloc (abfd, amt)) != NULL) | |
252b5132 | 4656 | { |
e708816d NC |
4657 | alent *n_cache_ptr = n_lineno_cache; |
4658 | ||
4659 | for (i = 0; i < nbr_func; i++) | |
252b5132 | 4660 | { |
e708816d NC |
4661 | coff_symbol_type *sym; |
4662 | alent *old_ptr = func_table[i]; | |
4663 | ||
fcfa6240 AM |
4664 | /* Update the function entry. */ |
4665 | sym = (coff_symbol_type *) old_ptr->u.sym; | |
4666 | /* PR binutils/17512: Point the lineno to where | |
4667 | this entry will be after the memcpy below. */ | |
4668 | sym->lineno = lineno_cache + (n_cache_ptr - n_lineno_cache); | |
fcfa6240 AM |
4669 | /* Copy the function and line number entries. */ |
4670 | do | |
e708816d | 4671 | *n_cache_ptr++ = *old_ptr++; |
fcfa6240 | 4672 | while (old_ptr->line_number != 0); |
252b5132 | 4673 | } |
f41e4712 | 4674 | |
7a6e0d89 AM |
4675 | memcpy (lineno_cache, n_lineno_cache, |
4676 | asect->lineno_count * sizeof (alent)); | |
252b5132 | 4677 | } |
86eafac0 | 4678 | else |
0a1b45a2 | 4679 | ret = false; |
fcfa6240 | 4680 | bfd_release (abfd, func_table); |
252b5132 | 4681 | } |
86eafac0 | 4682 | else |
0a1b45a2 | 4683 | ret = false; |
252b5132 | 4684 | } |
e708816d | 4685 | |
86eafac0 | 4686 | return ret; |
252b5132 RH |
4687 | } |
4688 | ||
00692651 ILT |
4689 | /* Slurp in the symbol table, converting it to generic form. Note |
4690 | that if coff_relocate_section is defined, the linker will read | |
4691 | symbols via coff_link_add_symbols, rather than via this routine. */ | |
4692 | ||
0a1b45a2 | 4693 | static bool |
7920ce38 | 4694 | coff_slurp_symbol_table (bfd * abfd) |
252b5132 RH |
4695 | { |
4696 | combined_entry_type *native_symbols; | |
4697 | coff_symbol_type *cached_area; | |
4698 | unsigned int *table_ptr; | |
252b5132 | 4699 | unsigned int number_of_symbols = 0; |
0a1b45a2 | 4700 | bool ret = true; |
1f4361a7 | 4701 | size_t amt; |
252b5132 RH |
4702 | |
4703 | if (obj_symbols (abfd)) | |
0a1b45a2 | 4704 | return true; |
252b5132 | 4705 | |
ed781d5d | 4706 | /* Read in the symbol table. */ |
252b5132 | 4707 | if ((native_symbols = coff_get_normalized_symtab (abfd)) == NULL) |
0a1b45a2 | 4708 | return false; |
252b5132 | 4709 | |
ed781d5d | 4710 | /* Allocate enough room for all the symbols in cached form. */ |
1f4361a7 AM |
4711 | if (_bfd_mul_overflow (obj_raw_syment_count (abfd), |
4712 | sizeof (*cached_area), &amt)) | |
4713 | { | |
4714 | bfd_set_error (bfd_error_file_too_big); | |
0a1b45a2 | 4715 | return false; |
1f4361a7 AM |
4716 | } |
4717 | cached_area = (coff_symbol_type *) bfd_alloc (abfd, amt); | |
252b5132 | 4718 | if (cached_area == NULL) |
0a1b45a2 | 4719 | return false; |
dc810e39 | 4720 | |
1f4361a7 AM |
4721 | if (_bfd_mul_overflow (obj_raw_syment_count (abfd), |
4722 | sizeof (*table_ptr), &amt)) | |
4723 | { | |
4724 | bfd_set_error (bfd_error_file_too_big); | |
0a1b45a2 | 4725 | return false; |
1f4361a7 AM |
4726 | } |
4727 | table_ptr = (unsigned int *) bfd_zalloc (abfd, amt); | |
252b5132 | 4728 | if (table_ptr == NULL) |
0a1b45a2 | 4729 | return false; |
252b5132 RH |
4730 | else |
4731 | { | |
4732 | coff_symbol_type *dst = cached_area; | |
4733 | unsigned int last_native_index = obj_raw_syment_count (abfd); | |
4734 | unsigned int this_index = 0; | |
ed781d5d | 4735 | |
252b5132 RH |
4736 | while (this_index < last_native_index) |
4737 | { | |
4738 | combined_entry_type *src = native_symbols + this_index; | |
4739 | table_ptr[this_index] = number_of_symbols; | |
252b5132 | 4740 | |
36e9d67b | 4741 | dst->symbol.the_bfd = abfd; |
a5c71af8 | 4742 | BFD_ASSERT (src->is_sym); |
252b5132 RH |
4743 | dst->symbol.name = (char *) (src->u.syment._n._n_n._n_offset); |
4744 | /* We use the native name field to point to the cached field. */ | |
60159858 | 4745 | src->u.syment._n._n_n._n_zeroes = (uintptr_t) dst; |
252b5132 RH |
4746 | dst->symbol.section = coff_section_from_bfd_index (abfd, |
4747 | src->u.syment.n_scnum); | |
4748 | dst->symbol.flags = 0; | |
f41e4712 NC |
4749 | /* PR 17512: file: 079-7098-0.001:0.1. */ |
4750 | dst->symbol.value = 0; | |
0a1b45a2 | 4751 | dst->done_lineno = false; |
252b5132 RH |
4752 | |
4753 | switch (src->u.syment.n_sclass) | |
4754 | { | |
252b5132 RH |
4755 | case C_EXT: |
4756 | case C_WEAKEXT: | |
4757 | #if defined ARM | |
46f2f11d AM |
4758 | case C_THUMBEXT: |
4759 | case C_THUMBEXTFUNC: | |
252b5132 RH |
4760 | #endif |
4761 | #ifdef RS6000COFF_C | |
4762 | case C_HIDEXT: | |
b5c37946 | 4763 | #ifndef AIX_WEAK_SUPPORT |
532cc313 | 4764 | case C_AIX_WEAKEXT: |
252b5132 | 4765 | #endif |
adce5b39 | 4766 | #endif |
252b5132 | 4767 | #ifdef C_SYSTEM |
ed781d5d | 4768 | case C_SYSTEM: /* System Wide variable. */ |
252b5132 RH |
4769 | #endif |
4770 | #ifdef COFF_WITH_PE | |
46f2f11d AM |
4771 | /* In PE, 0x68 (104) denotes a section symbol. */ |
4772 | case C_SECTION: | |
5d54c628 | 4773 | /* In PE, 0x69 (105) denotes a weak external symbol. */ |
252b5132 RH |
4774 | case C_NT_WEAK: |
4775 | #endif | |
5d54c628 | 4776 | switch (coff_classify_symbol (abfd, &src->u.syment)) |
252b5132 | 4777 | { |
5d54c628 | 4778 | case COFF_SYMBOL_GLOBAL: |
252b5132 | 4779 | dst->symbol.flags = BSF_EXPORT | BSF_GLOBAL; |
252b5132 RH |
4780 | #if defined COFF_WITH_PE |
4781 | /* PE sets the symbol to a value relative to the | |
46f2f11d | 4782 | start of the section. */ |
252b5132 RH |
4783 | dst->symbol.value = src->u.syment.n_value; |
4784 | #else | |
4785 | dst->symbol.value = (src->u.syment.n_value | |
4786 | - dst->symbol.section->vma); | |
4787 | #endif | |
252b5132 | 4788 | if (ISFCN ((src->u.syment.n_type))) |
7920ce38 NC |
4789 | /* A function ext does not go at the end of a |
4790 | file. */ | |
4791 | dst->symbol.flags |= BSF_NOT_AT_END | BSF_FUNCTION; | |
5d54c628 ILT |
4792 | break; |
4793 | ||
4794 | case COFF_SYMBOL_COMMON: | |
4795 | dst->symbol.section = bfd_com_section_ptr; | |
4796 | dst->symbol.value = src->u.syment.n_value; | |
4797 | break; | |
4798 | ||
4799 | case COFF_SYMBOL_UNDEFINED: | |
4800 | dst->symbol.section = bfd_und_section_ptr; | |
4801 | dst->symbol.value = 0; | |
e60b52c6 | 4802 | break; |
5d54c628 ILT |
4803 | |
4804 | case COFF_SYMBOL_PE_SECTION: | |
4805 | dst->symbol.flags |= BSF_EXPORT | BSF_SECTION_SYM; | |
4806 | dst->symbol.value = 0; | |
4807 | break; | |
4808 | ||
4809 | case COFF_SYMBOL_LOCAL: | |
4810 | dst->symbol.flags = BSF_LOCAL; | |
4811 | #if defined COFF_WITH_PE | |
4812 | /* PE sets the symbol to a value relative to the | |
46f2f11d | 4813 | start of the section. */ |
5d54c628 ILT |
4814 | dst->symbol.value = src->u.syment.n_value; |
4815 | #else | |
4816 | dst->symbol.value = (src->u.syment.n_value | |
4817 | - dst->symbol.section->vma); | |
4818 | #endif | |
4819 | if (ISFCN ((src->u.syment.n_type))) | |
4820 | dst->symbol.flags |= BSF_NOT_AT_END | BSF_FUNCTION; | |
4821 | break; | |
252b5132 RH |
4822 | } |
4823 | ||
4824 | #ifdef RS6000COFF_C | |
252b5132 RH |
4825 | /* A symbol with a csect entry should not go at the end. */ |
4826 | if (src->u.syment.n_numaux > 0) | |
4827 | dst->symbol.flags |= BSF_NOT_AT_END; | |
4828 | #endif | |
4829 | ||
4830 | #ifdef COFF_WITH_PE | |
4831 | if (src->u.syment.n_sclass == C_NT_WEAK) | |
a181be0a NC |
4832 | dst->symbol.flags |= BSF_WEAK; |
4833 | ||
ec0ef80e DD |
4834 | if (src->u.syment.n_sclass == C_SECTION |
4835 | && src->u.syment.n_scnum > 0) | |
eb1e0e80 | 4836 | dst->symbol.flags = BSF_LOCAL; |
252b5132 | 4837 | #endif |
532cc313 AM |
4838 | if (src->u.syment.n_sclass == C_WEAKEXT |
4839 | #ifdef RS6000COFF_C | |
4840 | || src->u.syment.n_sclass == C_AIX_WEAKEXT | |
4841 | #endif | |
4842 | ) | |
a181be0a | 4843 | dst->symbol.flags |= BSF_WEAK; |
252b5132 RH |
4844 | |
4845 | break; | |
4846 | ||
ed781d5d | 4847 | case C_STAT: /* Static. */ |
e60b52c6 | 4848 | #if defined ARM |
46f2f11d AM |
4849 | case C_THUMBSTAT: /* Thumb static. */ |
4850 | case C_THUMBLABEL: /* Thumb label. */ | |
4851 | case C_THUMBSTATFUNC:/* Thumb static function. */ | |
85645aed TG |
4852 | #endif |
4853 | #ifdef RS6000COFF_C | |
07d6d2b8 AM |
4854 | case C_DWARF: /* A label in a dwarf section. */ |
4855 | case C_INFO: /* A label in a comment section. */ | |
252b5132 | 4856 | #endif |
ed781d5d | 4857 | case C_LABEL: /* Label. */ |
00692651 | 4858 | if (src->u.syment.n_scnum == N_DEBUG) |
252b5132 RH |
4859 | dst->symbol.flags = BSF_DEBUGGING; |
4860 | else | |
4861 | dst->symbol.flags = BSF_LOCAL; | |
4862 | ||
4863 | /* Base the value as an index from the base of the | |
4864 | section, if there is one. */ | |
4865 | if (dst->symbol.section) | |
4866 | { | |
4867 | #if defined COFF_WITH_PE | |
4868 | /* PE sets the symbol to a value relative to the | |
46f2f11d | 4869 | start of the section. */ |
252b5132 RH |
4870 | dst->symbol.value = src->u.syment.n_value; |
4871 | #else | |
4872 | dst->symbol.value = (src->u.syment.n_value | |
4873 | - dst->symbol.section->vma); | |
4874 | #endif | |
4875 | } | |
4876 | else | |
4877 | dst->symbol.value = src->u.syment.n_value; | |
4878 | break; | |
4879 | ||
ce462d04 JB |
4880 | case C_FILE: /* File name. */ |
4881 | dst->symbol.flags = BSF_FILE; | |
4882 | /* Fall through. */ | |
ed781d5d NC |
4883 | case C_MOS: /* Member of structure. */ |
4884 | case C_EOS: /* End of structure. */ | |
ed781d5d NC |
4885 | case C_REGPARM: /* Register parameter. */ |
4886 | case C_REG: /* register variable. */ | |
46f2f11d | 4887 | /* C_AUTOARG conflicts with TI COFF C_UEXT. */ |
ed781d5d | 4888 | case C_TPDEF: /* Type definition. */ |
252b5132 | 4889 | case C_ARG: |
ed781d5d NC |
4890 | case C_AUTO: /* Automatic variable. */ |
4891 | case C_FIELD: /* Bit field. */ | |
4892 | case C_ENTAG: /* Enumeration tag. */ | |
4893 | case C_MOE: /* Member of enumeration. */ | |
4894 | case C_MOU: /* Member of union. */ | |
4895 | case C_UNTAG: /* Union tag. */ | |
ed781d5d | 4896 | case C_STRTAG: /* Structure tag. */ |
252b5132 RH |
4897 | #ifdef RS6000COFF_C |
4898 | case C_GSYM: | |
4899 | case C_LSYM: | |
4900 | case C_PSYM: | |
4901 | case C_RSYM: | |
4902 | case C_RPSYM: | |
4903 | case C_STSYM: | |
f9f3cf65 | 4904 | case C_TCSYM: |
252b5132 | 4905 | case C_BCOMM: |
f9f3cf65 | 4906 | case C_ECOML: |
252b5132 RH |
4907 | case C_ECOMM: |
4908 | case C_DECL: | |
4909 | case C_ENTRY: | |
4910 | case C_FUN: | |
4911 | case C_ESTAT: | |
4912 | #endif | |
ce462d04 | 4913 | dst->symbol.flags |= BSF_DEBUGGING; |
252b5132 RH |
4914 | dst->symbol.value = (src->u.syment.n_value); |
4915 | break; | |
4916 | ||
4917 | #ifdef RS6000COFF_C | |
ed781d5d NC |
4918 | case C_BINCL: /* Beginning of include file. */ |
4919 | case C_EINCL: /* Ending of include file. */ | |
252b5132 | 4920 | /* The value is actually a pointer into the line numbers |
46f2f11d AM |
4921 | of the file. We locate the line number entry, and |
4922 | set the section to the section which contains it, and | |
4923 | the value to the index in that section. */ | |
252b5132 RH |
4924 | { |
4925 | asection *sec; | |
4926 | ||
4927 | dst->symbol.flags = BSF_DEBUGGING; | |
4928 | for (sec = abfd->sections; sec != NULL; sec = sec->next) | |
4929 | if (sec->line_filepos <= (file_ptr) src->u.syment.n_value | |
4930 | && ((file_ptr) (sec->line_filepos | |
6b3b007b | 4931 | + sec->lineno_count * bfd_coff_linesz (abfd)) |
252b5132 RH |
4932 | > (file_ptr) src->u.syment.n_value)) |
4933 | break; | |
4934 | if (sec == NULL) | |
4935 | dst->symbol.value = 0; | |
4936 | else | |
4937 | { | |
4938 | dst->symbol.section = sec; | |
4939 | dst->symbol.value = ((src->u.syment.n_value | |
4940 | - sec->line_filepos) | |
6b3b007b | 4941 | / bfd_coff_linesz (abfd)); |
252b5132 RH |
4942 | src->fix_line = 1; |
4943 | } | |
4944 | } | |
4945 | break; | |
4946 | ||
4947 | case C_BSTAT: | |
4948 | dst->symbol.flags = BSF_DEBUGGING; | |
4949 | ||
2043ddb2 AM |
4950 | if (src->u.syment.n_value >= obj_raw_syment_count (abfd)) |
4951 | dst->symbol.value = 0; | |
4952 | else | |
4953 | { | |
4954 | /* The value is actually a symbol index. Save a pointer | |
4955 | to the symbol instead of the index. FIXME: This | |
4956 | should use a union. */ | |
4957 | src->u.syment.n_value | |
4958 | = (uintptr_t) (native_symbols + src->u.syment.n_value); | |
4959 | dst->symbol.value = src->u.syment.n_value; | |
4960 | src->fix_value = 1; | |
4961 | } | |
252b5132 RH |
4962 | break; |
4963 | #endif | |
4964 | ||
ed781d5d NC |
4965 | case C_BLOCK: /* ".bb" or ".eb". */ |
4966 | case C_FCN: /* ".bf" or ".ef" (or PE ".lf"). */ | |
4967 | case C_EFCN: /* Physical end of function. */ | |
252b5132 RH |
4968 | #if defined COFF_WITH_PE |
4969 | /* PE sets the symbol to a value relative to the start | |
4970 | of the section. */ | |
4971 | dst->symbol.value = src->u.syment.n_value; | |
d510f9a6 ILT |
4972 | if (strcmp (dst->symbol.name, ".bf") != 0) |
4973 | { | |
4974 | /* PE uses funny values for .ef and .lf; don't | |
46f2f11d | 4975 | relocate them. */ |
d510f9a6 ILT |
4976 | dst->symbol.flags = BSF_DEBUGGING; |
4977 | } | |
4978 | else | |
4979 | dst->symbol.flags = BSF_DEBUGGING | BSF_DEBUGGING_RELOC; | |
252b5132 RH |
4980 | #else |
4981 | /* Base the value as an index from the base of the | |
4982 | section. */ | |
d510f9a6 | 4983 | dst->symbol.flags = BSF_LOCAL; |
252b5132 RH |
4984 | dst->symbol.value = (src->u.syment.n_value |
4985 | - dst->symbol.section->vma); | |
4986 | #endif | |
4987 | break; | |
4988 | ||
ed781d5d | 4989 | case C_STATLAB: /* Static load time label. */ |
46f2f11d AM |
4990 | dst->symbol.value = src->u.syment.n_value; |
4991 | dst->symbol.flags = BSF_GLOBAL; | |
4992 | break; | |
34cbe64e | 4993 | |
252b5132 | 4994 | case C_NULL: |
00692651 | 4995 | /* PE DLLs sometimes have zeroed out symbols for some |
46f2f11d | 4996 | reason. Just ignore them without a warning. */ |
00692651 ILT |
4997 | if (src->u.syment.n_type == 0 |
4998 | && src->u.syment.n_value == 0 | |
4999 | && src->u.syment.n_scnum == 0) | |
5000 | break; | |
53dd76d3 | 5001 | #ifdef RS6000COFF_C |
07d6d2b8 AM |
5002 | /* XCOFF specific: deleted entry. */ |
5003 | if (src->u.syment.n_value == C_NULL_VALUE) | |
5004 | break; | |
53dd76d3 | 5005 | #endif |
00692651 | 5006 | /* Fall through. */ |
ed781d5d NC |
5007 | case C_EXTDEF: /* External definition. */ |
5008 | case C_ULABEL: /* Undefined label. */ | |
5009 | case C_USTATIC: /* Undefined static. */ | |
252b5132 | 5010 | #ifndef COFF_WITH_PE |
46f2f11d AM |
5011 | /* C_LINE in regular coff is 0x68. NT has taken over this storage |
5012 | class to represent a section symbol. */ | |
ed781d5d | 5013 | case C_LINE: /* line # reformatted as symbol table entry. */ |
252b5132 | 5014 | /* NT uses 0x67 for a weak symbol, not C_ALIAS. */ |
ed781d5d | 5015 | case C_ALIAS: /* Duplicate tag. */ |
252b5132 | 5016 | #endif |
ed781d5d | 5017 | /* New storage classes for TI COFF. */ |
5b660084 | 5018 | #ifdef TICOFF |
ed781d5d | 5019 | case C_UEXT: /* Tentative external definition. */ |
252b5132 | 5020 | #endif |
2b804145 | 5021 | case C_EXTLAB: /* External load time label. */ |
252b5132 | 5022 | default: |
4eca0228 | 5023 | _bfd_error_handler |
695344c0 | 5024 | /* xgettext:c-format */ |
59d08d6c | 5025 | (_("%pB: unrecognized storage class %d for %s symbol `%s'"), |
d003868e | 5026 | abfd, src->u.syment.n_sclass, |
252b5132 | 5027 | dst->symbol.section->name, dst->symbol.name); |
0a1b45a2 | 5028 | ret = false; |
63f2433d | 5029 | /* Fall through. */ |
7103ad76 LA |
5030 | case C_HIDDEN: /* Ext symbol in dmert public lib. */ |
5031 | /* PR 20722: These symbols can also be generated by | |
5032 | building DLLs with --gc-sections enabled. */ | |
252b5132 RH |
5033 | dst->symbol.flags = BSF_DEBUGGING; |
5034 | dst->symbol.value = (src->u.syment.n_value); | |
5035 | break; | |
5036 | } | |
5037 | ||
252b5132 | 5038 | dst->native = src; |
252b5132 | 5039 | dst->symbol.udata.i = 0; |
7920ce38 | 5040 | dst->lineno = NULL; |
a5c71af8 | 5041 | |
252b5132 RH |
5042 | this_index += (src->u.syment.n_numaux) + 1; |
5043 | dst++; | |
5044 | number_of_symbols++; | |
ed781d5d NC |
5045 | } |
5046 | } | |
252b5132 RH |
5047 | |
5048 | obj_symbols (abfd) = cached_area; | |
5049 | obj_raw_syments (abfd) = native_symbols; | |
5050 | ||
ed48ec2e | 5051 | abfd->symcount = number_of_symbols; |
252b5132 | 5052 | obj_convert (abfd) = table_ptr; |
ed781d5d | 5053 | /* Slurp the line tables for each section too. */ |
252b5132 RH |
5054 | { |
5055 | asection *p; | |
ed781d5d | 5056 | |
252b5132 RH |
5057 | p = abfd->sections; |
5058 | while (p) | |
5059 | { | |
063bb025 | 5060 | if (! coff_slurp_line_table (abfd, p)) |
0a1b45a2 | 5061 | return false; |
252b5132 RH |
5062 | p = p->next; |
5063 | } | |
5064 | } | |
ed781d5d | 5065 | |
86eafac0 | 5066 | return ret; |
7920ce38 | 5067 | } |
252b5132 | 5068 | |
5d54c628 ILT |
5069 | /* Classify a COFF symbol. A couple of targets have globally visible |
5070 | symbols which are not class C_EXT, and this handles those. It also | |
5071 | recognizes some special PE cases. */ | |
252b5132 | 5072 | |
5d54c628 | 5073 | static enum coff_symbol_classification |
7920ce38 NC |
5074 | coff_classify_symbol (bfd *abfd, |
5075 | struct internal_syment *syment) | |
5d54c628 ILT |
5076 | { |
5077 | /* FIXME: This partially duplicates the switch in | |
5078 | coff_slurp_symbol_table. */ | |
5079 | switch (syment->n_sclass) | |
5080 | { | |
5081 | case C_EXT: | |
5082 | case C_WEAKEXT: | |
5d54c628 ILT |
5083 | #ifdef ARM |
5084 | case C_THUMBEXT: | |
5085 | case C_THUMBEXTFUNC: | |
252b5132 | 5086 | #endif |
8af7926f AM |
5087 | #ifdef RS6000COFF_C |
5088 | case C_HIDEXT: | |
b5c37946 | 5089 | #ifndef AIX_WEAK_SUPPORT |
8af7926f AM |
5090 | case C_AIX_WEAKEXT: |
5091 | #endif | |
5092 | #endif | |
5d54c628 ILT |
5093 | #ifdef C_SYSTEM |
5094 | case C_SYSTEM: | |
252b5132 | 5095 | #endif |
5d54c628 ILT |
5096 | #ifdef COFF_WITH_PE |
5097 | case C_NT_WEAK: | |
5098 | #endif | |
5099 | if (syment->n_scnum == 0) | |
5100 | { | |
5101 | if (syment->n_value == 0) | |
5102 | return COFF_SYMBOL_UNDEFINED; | |
5103 | else | |
5104 | return COFF_SYMBOL_COMMON; | |
5105 | } | |
8af7926f AM |
5106 | #ifdef RS6000COFF_C |
5107 | if (syment->n_sclass == C_HIDEXT) | |
5108 | return COFF_SYMBOL_LOCAL; | |
5109 | #endif | |
5d54c628 ILT |
5110 | return COFF_SYMBOL_GLOBAL; |
5111 | ||
5112 | default: | |
5113 | break; | |
5114 | } | |
252b5132 | 5115 | |
5d54c628 ILT |
5116 | #ifdef COFF_WITH_PE |
5117 | if (syment->n_sclass == C_STAT) | |
5118 | { | |
5119 | if (syment->n_scnum == 0) | |
7920ce38 NC |
5120 | /* The Microsoft compiler sometimes generates these if a |
5121 | small static function is inlined every time it is used. | |
5122 | The function is discarded, but the symbol table entry | |
5123 | remains. */ | |
5124 | return COFF_SYMBOL_LOCAL; | |
252b5132 | 5125 | |
0717ebb7 | 5126 | #ifdef STRICT_PE_FORMAT |
bd826630 | 5127 | /* This is correct for Microsoft generated objects, but it |
46f2f11d | 5128 | breaks gas generated objects. */ |
5d54c628 ILT |
5129 | if (syment->n_value == 0) |
5130 | { | |
ae272fb8 JB |
5131 | const asection *sec; |
5132 | const char *name; | |
07d6d2b8 | 5133 | char buf[SYMNMLEN + 1]; |
1b786873 | 5134 | |
ae272fb8 | 5135 | name = _bfd_coff_internal_syment_name (abfd, syment, buf); |
07d6d2b8 | 5136 | sec = coff_section_from_bfd_index (abfd, syment->n_scnum); |
201159ec | 5137 | if (sec != NULL && name != NULL |
fd361982 | 5138 | && (strcmp (bfd_section_name (sec), name) == 0)) |
5d54c628 ILT |
5139 | return COFF_SYMBOL_PE_SECTION; |
5140 | } | |
bd826630 | 5141 | #endif |
252b5132 | 5142 | |
5d54c628 ILT |
5143 | return COFF_SYMBOL_LOCAL; |
5144 | } | |
252b5132 | 5145 | |
5d54c628 ILT |
5146 | if (syment->n_sclass == C_SECTION) |
5147 | { | |
5148 | /* In some cases in a DLL generated by the Microsoft linker, the | |
46f2f11d AM |
5149 | n_value field will contain garbage. FIXME: This should |
5150 | probably be handled by the swapping function instead. */ | |
5d54c628 ILT |
5151 | syment->n_value = 0; |
5152 | if (syment->n_scnum == 0) | |
5153 | return COFF_SYMBOL_UNDEFINED; | |
5154 | return COFF_SYMBOL_PE_SECTION; | |
5155 | } | |
5156 | #endif /* COFF_WITH_PE */ | |
252b5132 | 5157 | |
5d54c628 | 5158 | /* If it is not a global symbol, we presume it is a local symbol. */ |
5d54c628 ILT |
5159 | if (syment->n_scnum == 0) |
5160 | { | |
5161 | char buf[SYMNMLEN + 1]; | |
252b5132 | 5162 | |
4eca0228 | 5163 | _bfd_error_handler |
695344c0 | 5164 | /* xgettext:c-format */ |
871b3ab2 | 5165 | (_("warning: %pB: local symbol `%s' has no section"), |
d003868e | 5166 | abfd, _bfd_coff_internal_syment_name (abfd, syment, buf)); |
5d54c628 | 5167 | } |
252b5132 | 5168 | |
5d54c628 ILT |
5169 | return COFF_SYMBOL_LOCAL; |
5170 | } | |
252b5132 RH |
5171 | |
5172 | /* | |
5173 | SUBSUBSECTION | |
5174 | Reading relocations | |
5175 | ||
5176 | Coff relocations are easily transformed into the internal BFD form | |
5177 | (@code{arelent}). | |
5178 | ||
5179 | Reading a coff relocation table is done in the following stages: | |
5180 | ||
5181 | o Read the entire coff relocation table into memory. | |
5182 | ||
5183 | o Process each relocation in turn; first swap it from the | |
5184 | external to the internal form. | |
5185 | ||
5186 | o Turn the symbol referenced in the relocation's symbol index | |
5187 | into a pointer into the canonical symbol table. | |
5188 | This table is the same as the one returned by a call to | |
5189 | @code{bfd_canonicalize_symtab}. The back end will call that | |
5190 | routine and save the result if a canonicalization hasn't been done. | |
5191 | ||
5192 | o The reloc index is turned into a pointer to a howto | |
5193 | structure, in a back end specific way. For instance, the 386 | |
a8eb42a8 | 5194 | uses the @code{r_type} to directly produce an index |
c2bf1eec | 5195 | into a howto table vector. |
4a3ab085 AM |
5196 | |
5197 | o Note that @code{arelent.addend} for COFF is often not what | |
5198 | most people understand as a relocation addend, but rather an | |
5199 | adjustment to the relocation addend stored in section contents | |
5200 | of relocatable object files. The value found in section | |
5201 | contents may also be confusing, depending on both symbol value | |
5202 | and addend somewhat similar to the field value for a | |
5203 | final-linked object. See @code{CALC_ADDEND}. | |
252b5132 RH |
5204 | */ |
5205 | ||
67694446 JB |
5206 | #ifdef COFF_WITH_PE |
5207 | #define COFF_PE_ADDEND_BIAS(ptr) 0 /* Symbol value not stored in raw data. */ | |
5208 | #else | |
5209 | #define COFF_PE_ADDEND_BIAS(ptr) ((ptr)->value) | |
5210 | #endif | |
5211 | ||
252b5132 | 5212 | #ifndef CALC_ADDEND |
46f2f11d AM |
5213 | #define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \ |
5214 | { \ | |
5215 | coff_symbol_type *coffsym = NULL; \ | |
5216 | \ | |
5217 | if (ptr && bfd_asymbol_bfd (ptr) != abfd) \ | |
5218 | coffsym = (obj_symbols (abfd) \ | |
5219 | + (cache_ptr->sym_ptr_ptr - symbols)); \ | |
5220 | else if (ptr) \ | |
f4943d82 | 5221 | coffsym = coff_symbol_from (ptr); \ |
46f2f11d | 5222 | if (coffsym != NULL \ |
a5c71af8 | 5223 | && coffsym->native->is_sym \ |
46f2f11d AM |
5224 | && coffsym->native->u.syment.n_scnum == 0) \ |
5225 | cache_ptr->addend = 0; \ | |
5226 | else if (ptr && bfd_asymbol_bfd (ptr) == abfd \ | |
5227 | && ptr->section != NULL) \ | |
67694446 JB |
5228 | cache_ptr->addend = - (ptr->section->vma \ |
5229 | + COFF_PE_ADDEND_BIAS (ptr)); \ | |
46f2f11d AM |
5230 | else \ |
5231 | cache_ptr->addend = 0; \ | |
252b5132 RH |
5232 | } |
5233 | #endif | |
5234 | ||
0a1b45a2 | 5235 | static bool |
7920ce38 | 5236 | coff_slurp_reloc_table (bfd * abfd, sec_ptr asect, asymbol ** symbols) |
252b5132 | 5237 | { |
1ed0032b | 5238 | bfd_byte *native_relocs; |
252b5132 RH |
5239 | arelent *reloc_cache; |
5240 | arelent *cache_ptr; | |
252b5132 | 5241 | unsigned int idx; |
1f4361a7 | 5242 | size_t amt; |
252b5132 RH |
5243 | |
5244 | if (asect->relocation) | |
0a1b45a2 | 5245 | return true; |
252b5132 | 5246 | if (asect->reloc_count == 0) |
0a1b45a2 | 5247 | return true; |
252b5132 | 5248 | if (asect->flags & SEC_CONSTRUCTOR) |
0a1b45a2 | 5249 | return true; |
252b5132 | 5250 | if (!coff_slurp_symbol_table (abfd)) |
0a1b45a2 | 5251 | return false; |
7920ce38 | 5252 | |
1ed0032b AM |
5253 | native_relocs = (bfd_byte *) buy_and_read (abfd, asect->rel_filepos, |
5254 | asect->reloc_count, | |
5255 | bfd_coff_relsz (abfd)); | |
1808483c AM |
5256 | if (native_relocs == NULL) |
5257 | return false; | |
5258 | ||
1f4361a7 AM |
5259 | if (_bfd_mul_overflow (asect->reloc_count, sizeof (arelent), &amt)) |
5260 | { | |
5261 | bfd_set_error (bfd_error_file_too_big); | |
0a1b45a2 | 5262 | return false; |
1f4361a7 AM |
5263 | } |
5264 | reloc_cache = (arelent *) bfd_alloc (abfd, amt); | |
1808483c AM |
5265 | if (reloc_cache == NULL) |
5266 | { | |
5267 | free (native_relocs); | |
5268 | return false; | |
5269 | } | |
252b5132 | 5270 | |
252b5132 RH |
5271 | for (idx = 0; idx < asect->reloc_count; idx++) |
5272 | { | |
5273 | struct internal_reloc dst; | |
1ed0032b | 5274 | void *src; |
252b5132 RH |
5275 | #ifndef RELOC_PROCESSING |
5276 | asymbol *ptr; | |
5277 | #endif | |
5278 | ||
5279 | cache_ptr = reloc_cache + idx; | |
1ed0032b | 5280 | src = native_relocs + idx * (size_t) bfd_coff_relsz (abfd); |
252b5132 | 5281 | |
40b1c6c5 | 5282 | dst.r_offset = 0; |
1ed0032b | 5283 | bfd_coff_swap_reloc_in (abfd, src, &dst); |
252b5132 RH |
5284 | |
5285 | #ifdef RELOC_PROCESSING | |
5286 | RELOC_PROCESSING (cache_ptr, &dst, symbols, abfd, asect); | |
5287 | #else | |
5288 | cache_ptr->address = dst.r_vaddr; | |
5289 | ||
4581a1c7 | 5290 | if (dst.r_symndx != -1 && symbols != NULL) |
252b5132 RH |
5291 | { |
5292 | if (dst.r_symndx < 0 || dst.r_symndx >= obj_conv_table_size (abfd)) | |
5293 | { | |
4eca0228 | 5294 | _bfd_error_handler |
695344c0 | 5295 | /* xgettext:c-format */ |
871b3ab2 | 5296 | (_("%pB: warning: illegal symbol index %ld in relocs"), |
d42c267e | 5297 | abfd, dst.r_symndx); |
252b5132 RH |
5298 | cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; |
5299 | ptr = NULL; | |
5300 | } | |
5301 | else | |
5302 | { | |
5303 | cache_ptr->sym_ptr_ptr = (symbols | |
5304 | + obj_convert (abfd)[dst.r_symndx]); | |
5305 | ptr = *(cache_ptr->sym_ptr_ptr); | |
5306 | } | |
5307 | } | |
5308 | else | |
5309 | { | |
5310 | cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
5311 | ptr = NULL; | |
5312 | } | |
5313 | ||
5314 | /* The symbols definitions that we have read in have been | |
5315 | relocated as if their sections started at 0. But the offsets | |
5316 | refering to the symbols in the raw data have not been | |
5317 | modified, so we have to have a negative addend to compensate. | |
5318 | ||
ed781d5d | 5319 | Note that symbols which used to be common must be left alone. */ |
252b5132 | 5320 | |
ed781d5d | 5321 | /* Calculate any reloc addend by looking at the symbol. */ |
252b5132 | 5322 | CALC_ADDEND (abfd, ptr, dst, cache_ptr); |
c7e2358a | 5323 | (void) ptr; |
252b5132 RH |
5324 | |
5325 | cache_ptr->address -= asect->vma; | |
7920ce38 | 5326 | /* !! cache_ptr->section = NULL;*/ |
252b5132 | 5327 | |
ed781d5d | 5328 | /* Fill in the cache_ptr->howto field from dst.r_type. */ |
252b5132 RH |
5329 | RTYPE2HOWTO (cache_ptr, &dst); |
5330 | #endif /* RELOC_PROCESSING */ | |
5331 | ||
5332 | if (cache_ptr->howto == NULL) | |
5333 | { | |
4eca0228 | 5334 | _bfd_error_handler |
695344c0 | 5335 | /* xgettext:c-format */ |
2dcf00ce AM |
5336 | (_("%pB: illegal relocation type %d at address %#" PRIx64), |
5337 | abfd, dst.r_type, (uint64_t) dst.r_vaddr); | |
252b5132 | 5338 | bfd_set_error (bfd_error_bad_value); |
1808483c | 5339 | free (native_relocs); |
0a1b45a2 | 5340 | return false; |
252b5132 RH |
5341 | } |
5342 | } | |
5343 | ||
1808483c | 5344 | free (native_relocs); |
252b5132 | 5345 | asect->relocation = reloc_cache; |
0a1b45a2 | 5346 | return true; |
252b5132 RH |
5347 | } |
5348 | ||
5349 | #ifndef coff_rtype_to_howto | |
5350 | #ifdef RTYPE2HOWTO | |
5351 | ||
5352 | /* Get the howto structure for a reloc. This is only used if the file | |
5353 | including this one defines coff_relocate_section to be | |
5354 | _bfd_coff_generic_relocate_section, so it is OK if it does not | |
5355 | always work. It is the responsibility of the including file to | |
5356 | make sure it is reasonable if it is needed. */ | |
5357 | ||
252b5132 | 5358 | static reloc_howto_type * |
7920ce38 NC |
5359 | coff_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED, |
5360 | asection *sec ATTRIBUTE_UNUSED, | |
a1165289 | 5361 | struct internal_reloc *rel ATTRIBUTE_UNUSED, |
7920ce38 NC |
5362 | struct coff_link_hash_entry *h ATTRIBUTE_UNUSED, |
5363 | struct internal_syment *sym ATTRIBUTE_UNUSED, | |
5364 | bfd_vma *addendp ATTRIBUTE_UNUSED) | |
252b5132 RH |
5365 | { |
5366 | arelent genrel; | |
5367 | ||
964597d0 | 5368 | genrel.howto = NULL; |
252b5132 RH |
5369 | RTYPE2HOWTO (&genrel, rel); |
5370 | return genrel.howto; | |
5371 | } | |
5372 | ||
5373 | #else /* ! defined (RTYPE2HOWTO) */ | |
5374 | ||
5375 | #define coff_rtype_to_howto NULL | |
5376 | ||
5377 | #endif /* ! defined (RTYPE2HOWTO) */ | |
5378 | #endif /* ! defined (coff_rtype_to_howto) */ | |
5379 | ||
5380 | /* This is stupid. This function should be a boolean predicate. */ | |
7920ce38 | 5381 | |
252b5132 | 5382 | static long |
7920ce38 NC |
5383 | coff_canonicalize_reloc (bfd * abfd, |
5384 | sec_ptr section, | |
5385 | arelent ** relptr, | |
5386 | asymbol ** symbols) | |
252b5132 RH |
5387 | { |
5388 | arelent *tblptr = section->relocation; | |
5389 | unsigned int count = 0; | |
5390 | ||
252b5132 RH |
5391 | if (section->flags & SEC_CONSTRUCTOR) |
5392 | { | |
ed781d5d NC |
5393 | /* This section has relocs made up by us, they are not in the |
5394 | file, so take them out of their chain and place them into | |
5395 | the data area provided. */ | |
252b5132 | 5396 | arelent_chain *chain = section->constructor_chain; |
ed781d5d | 5397 | |
252b5132 RH |
5398 | for (count = 0; count < section->reloc_count; count++) |
5399 | { | |
5400 | *relptr++ = &chain->relent; | |
5401 | chain = chain->next; | |
5402 | } | |
252b5132 RH |
5403 | } |
5404 | else | |
5405 | { | |
5406 | if (! coff_slurp_reloc_table (abfd, section, symbols)) | |
5407 | return -1; | |
5408 | ||
5409 | tblptr = section->relocation; | |
5410 | ||
5411 | for (; count++ < section->reloc_count;) | |
5412 | *relptr++ = tblptr++; | |
252b5132 RH |
5413 | } |
5414 | *relptr = 0; | |
5415 | return section->reloc_count; | |
5416 | } | |
5417 | ||
23186865 JM |
5418 | #ifndef coff_set_reloc |
5419 | #define coff_set_reloc _bfd_generic_set_reloc | |
5420 | #endif | |
5421 | ||
252b5132 RH |
5422 | #ifndef coff_reloc16_estimate |
5423 | #define coff_reloc16_estimate dummy_reloc16_estimate | |
5424 | ||
252b5132 | 5425 | static int |
7920ce38 NC |
5426 | dummy_reloc16_estimate (bfd *abfd ATTRIBUTE_UNUSED, |
5427 | asection *input_section ATTRIBUTE_UNUSED, | |
5428 | arelent *reloc ATTRIBUTE_UNUSED, | |
5429 | unsigned int shrink ATTRIBUTE_UNUSED, | |
5430 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED) | |
252b5132 RH |
5431 | { |
5432 | abort (); | |
00692651 | 5433 | return 0; |
252b5132 RH |
5434 | } |
5435 | ||
5436 | #endif | |
5437 | ||
5438 | #ifndef coff_reloc16_extra_cases | |
5439 | ||
5440 | #define coff_reloc16_extra_cases dummy_reloc16_extra_cases | |
5441 | ||
d64c8f71 | 5442 | static bool |
7920ce38 NC |
5443 | dummy_reloc16_extra_cases (bfd *abfd ATTRIBUTE_UNUSED, |
5444 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED, | |
5445 | struct bfd_link_order *link_order ATTRIBUTE_UNUSED, | |
5446 | arelent *reloc ATTRIBUTE_UNUSED, | |
5447 | bfd_byte *data ATTRIBUTE_UNUSED, | |
d64c8f71 AM |
5448 | size_t *src_ptr ATTRIBUTE_UNUSED, |
5449 | size_t *dst_ptr ATTRIBUTE_UNUSED) | |
252b5132 | 5450 | { |
d64c8f71 | 5451 | return false; |
252b5132 RH |
5452 | } |
5453 | #endif | |
5454 | ||
5455 | /* If coff_relocate_section is defined, we can use the optimized COFF | |
5456 | backend linker. Otherwise we must continue to use the old linker. */ | |
7920ce38 | 5457 | |
252b5132 | 5458 | #ifdef coff_relocate_section |
7920ce38 | 5459 | |
252b5132 RH |
5460 | #ifndef coff_bfd_link_hash_table_create |
5461 | #define coff_bfd_link_hash_table_create _bfd_coff_link_hash_table_create | |
5462 | #endif | |
5463 | #ifndef coff_bfd_link_add_symbols | |
5464 | #define coff_bfd_link_add_symbols _bfd_coff_link_add_symbols | |
5465 | #endif | |
5466 | #ifndef coff_bfd_final_link | |
5467 | #define coff_bfd_final_link _bfd_coff_final_link | |
5468 | #endif | |
7920ce38 | 5469 | |
252b5132 | 5470 | #else /* ! defined (coff_relocate_section) */ |
7920ce38 | 5471 | |
252b5132 RH |
5472 | #define coff_relocate_section NULL |
5473 | #ifndef coff_bfd_link_hash_table_create | |
5474 | #define coff_bfd_link_hash_table_create _bfd_generic_link_hash_table_create | |
5475 | #endif | |
5476 | #ifndef coff_bfd_link_add_symbols | |
5477 | #define coff_bfd_link_add_symbols _bfd_generic_link_add_symbols | |
5478 | #endif | |
5479 | #define coff_bfd_final_link _bfd_generic_final_link | |
7920ce38 | 5480 | |
252b5132 RH |
5481 | #endif /* ! defined (coff_relocate_section) */ |
5482 | ||
7920ce38 | 5483 | #define coff_bfd_link_just_syms _bfd_generic_link_just_syms |
1338dd10 PB |
5484 | #define coff_bfd_copy_link_hash_symbol_type \ |
5485 | _bfd_generic_copy_link_hash_symbol_type | |
252b5132 RH |
5486 | #define coff_bfd_link_split_section _bfd_generic_link_split_section |
5487 | ||
4f3b23b3 NC |
5488 | #define coff_bfd_link_check_relocs _bfd_generic_link_check_relocs |
5489 | ||
252b5132 RH |
5490 | #ifndef coff_start_final_link |
5491 | #define coff_start_final_link NULL | |
5492 | #endif | |
5493 | ||
5494 | #ifndef coff_adjust_symndx | |
5495 | #define coff_adjust_symndx NULL | |
5496 | #endif | |
5497 | ||
5498 | #ifndef coff_link_add_one_symbol | |
5499 | #define coff_link_add_one_symbol _bfd_generic_link_add_one_symbol | |
5500 | #endif | |
5501 | ||
5502 | #ifndef coff_link_output_has_begun | |
5503 | ||
0a1b45a2 | 5504 | static bool |
7920ce38 NC |
5505 | coff_link_output_has_begun (bfd * abfd, |
5506 | struct coff_final_link_info * info ATTRIBUTE_UNUSED) | |
252b5132 RH |
5507 | { |
5508 | return abfd->output_has_begun; | |
5509 | } | |
5510 | #endif | |
5511 | ||
5512 | #ifndef coff_final_link_postscript | |
5513 | ||
0a1b45a2 | 5514 | static bool |
7920ce38 NC |
5515 | coff_final_link_postscript (bfd * abfd ATTRIBUTE_UNUSED, |
5516 | struct coff_final_link_info * pfinfo ATTRIBUTE_UNUSED) | |
252b5132 | 5517 | { |
0a1b45a2 | 5518 | return true; |
252b5132 RH |
5519 | } |
5520 | #endif | |
5521 | ||
5522 | #ifndef coff_SWAP_aux_in | |
5523 | #define coff_SWAP_aux_in coff_swap_aux_in | |
5524 | #endif | |
5525 | #ifndef coff_SWAP_sym_in | |
5526 | #define coff_SWAP_sym_in coff_swap_sym_in | |
5527 | #endif | |
5528 | #ifndef coff_SWAP_lineno_in | |
5529 | #define coff_SWAP_lineno_in coff_swap_lineno_in | |
5530 | #endif | |
5531 | #ifndef coff_SWAP_aux_out | |
5532 | #define coff_SWAP_aux_out coff_swap_aux_out | |
5533 | #endif | |
5534 | #ifndef coff_SWAP_sym_out | |
5535 | #define coff_SWAP_sym_out coff_swap_sym_out | |
5536 | #endif | |
5537 | #ifndef coff_SWAP_lineno_out | |
5538 | #define coff_SWAP_lineno_out coff_swap_lineno_out | |
5539 | #endif | |
5540 | #ifndef coff_SWAP_reloc_out | |
5541 | #define coff_SWAP_reloc_out coff_swap_reloc_out | |
5542 | #endif | |
5543 | #ifndef coff_SWAP_filehdr_out | |
5544 | #define coff_SWAP_filehdr_out coff_swap_filehdr_out | |
5545 | #endif | |
5546 | #ifndef coff_SWAP_aouthdr_out | |
5547 | #define coff_SWAP_aouthdr_out coff_swap_aouthdr_out | |
5548 | #endif | |
5549 | #ifndef coff_SWAP_scnhdr_out | |
5550 | #define coff_SWAP_scnhdr_out coff_swap_scnhdr_out | |
5551 | #endif | |
5552 | #ifndef coff_SWAP_reloc_in | |
5553 | #define coff_SWAP_reloc_in coff_swap_reloc_in | |
5554 | #endif | |
5555 | #ifndef coff_SWAP_filehdr_in | |
5556 | #define coff_SWAP_filehdr_in coff_swap_filehdr_in | |
5557 | #endif | |
5558 | #ifndef coff_SWAP_aouthdr_in | |
5559 | #define coff_SWAP_aouthdr_in coff_swap_aouthdr_in | |
5560 | #endif | |
5561 | #ifndef coff_SWAP_scnhdr_in | |
5562 | #define coff_SWAP_scnhdr_in coff_swap_scnhdr_in | |
5563 | #endif | |
5564 | ||
717d4bd6 AM |
5565 | #define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table |
5566 | ||
22a95e1a | 5567 | static const bfd_coff_backend_data bfd_coff_std_swap_table ATTRIBUTE_UNUSED = |
252b5132 RH |
5568 | { |
5569 | coff_SWAP_aux_in, coff_SWAP_sym_in, coff_SWAP_lineno_in, | |
5570 | coff_SWAP_aux_out, coff_SWAP_sym_out, | |
5571 | coff_SWAP_lineno_out, coff_SWAP_reloc_out, | |
5572 | coff_SWAP_filehdr_out, coff_SWAP_aouthdr_out, | |
5573 | coff_SWAP_scnhdr_out, | |
692b7d62 | 5574 | FILHSZ, AOUTSZ, SCNHSZ, SYMESZ, AUXESZ, RELSZ, LINESZ, FILNMLEN, |
252b5132 | 5575 | #ifdef COFF_LONG_FILENAMES |
0a1b45a2 | 5576 | true, |
252b5132 | 5577 | #else |
0a1b45a2 | 5578 | false, |
252b5132 | 5579 | #endif |
88183869 | 5580 | COFF_DEFAULT_LONG_SECTION_NAMES, |
a022216b | 5581 | COFF_DEFAULT_SECTION_ALIGNMENT_POWER, |
7f6d05e8 | 5582 | #ifdef COFF_FORCE_SYMBOLS_IN_STRINGS |
0a1b45a2 | 5583 | true, |
7f6d05e8 | 5584 | #else |
0a1b45a2 | 5585 | false, |
7f6d05e8 CP |
5586 | #endif |
5587 | #ifdef COFF_DEBUG_STRING_WIDE_PREFIX | |
5588 | 4, | |
5589 | #else | |
5590 | 2, | |
5591 | #endif | |
167ad85b | 5592 | 32768, |
252b5132 RH |
5593 | coff_SWAP_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in, |
5594 | coff_SWAP_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook, | |
5595 | coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook, | |
5596 | coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook, | |
5597 | coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate, | |
5d54c628 | 5598 | coff_classify_symbol, coff_compute_section_file_positions, |
252b5132 RH |
5599 | coff_start_final_link, coff_relocate_section, coff_rtype_to_howto, |
5600 | coff_adjust_symndx, coff_link_add_one_symbol, | |
2b5c217d NC |
5601 | coff_link_output_has_begun, coff_final_link_postscript, |
5602 | bfd_pe_print_pdata | |
252b5132 RH |
5603 | }; |
5604 | ||
5a5b9651 SS |
5605 | #ifdef TICOFF |
5606 | /* COFF0 differs in file/section header size and relocation entry size. */ | |
7920ce38 | 5607 | |
22a95e1a | 5608 | static const bfd_coff_backend_data ticoff0_swap_table = |
5a5b9651 SS |
5609 | { |
5610 | coff_SWAP_aux_in, coff_SWAP_sym_in, coff_SWAP_lineno_in, | |
5611 | coff_SWAP_aux_out, coff_SWAP_sym_out, | |
1ed0032b | 5612 | coff_SWAP_lineno_out, coff_swap_reloc_v0_out, |
5a5b9651 SS |
5613 | coff_SWAP_filehdr_out, coff_SWAP_aouthdr_out, |
5614 | coff_SWAP_scnhdr_out, | |
5615 | FILHSZ_V0, AOUTSZ, SCNHSZ_V01, SYMESZ, AUXESZ, RELSZ_V0, LINESZ, FILNMLEN, | |
5616 | #ifdef COFF_LONG_FILENAMES | |
0a1b45a2 | 5617 | true, |
5a5b9651 | 5618 | #else |
0a1b45a2 | 5619 | false, |
5a5b9651 | 5620 | #endif |
88183869 | 5621 | COFF_DEFAULT_LONG_SECTION_NAMES, |
5a5b9651 SS |
5622 | COFF_DEFAULT_SECTION_ALIGNMENT_POWER, |
5623 | #ifdef COFF_FORCE_SYMBOLS_IN_STRINGS | |
0a1b45a2 | 5624 | true, |
5a5b9651 | 5625 | #else |
0a1b45a2 | 5626 | false, |
5a5b9651 SS |
5627 | #endif |
5628 | #ifdef COFF_DEBUG_STRING_WIDE_PREFIX | |
5629 | 4, | |
5630 | #else | |
5631 | 2, | |
5632 | #endif | |
167ad85b | 5633 | 32768, |
5a5b9651 | 5634 | coff_SWAP_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in, |
1ed0032b | 5635 | coff_swap_reloc_v0_in, ticoff0_bad_format_hook, coff_set_arch_mach_hook, |
5a5b9651 SS |
5636 | coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook, |
5637 | coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook, | |
5638 | coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate, | |
5639 | coff_classify_symbol, coff_compute_section_file_positions, | |
5640 | coff_start_final_link, coff_relocate_section, coff_rtype_to_howto, | |
5641 | coff_adjust_symndx, coff_link_add_one_symbol, | |
2b5c217d NC |
5642 | coff_link_output_has_begun, coff_final_link_postscript, |
5643 | bfd_pe_print_pdata | |
5a5b9651 SS |
5644 | }; |
5645 | #endif | |
5646 | ||
5647 | #ifdef TICOFF | |
5648 | /* COFF1 differs in section header size. */ | |
7920ce38 | 5649 | |
22a95e1a | 5650 | static const bfd_coff_backend_data ticoff1_swap_table = |
5a5b9651 SS |
5651 | { |
5652 | coff_SWAP_aux_in, coff_SWAP_sym_in, coff_SWAP_lineno_in, | |
5653 | coff_SWAP_aux_out, coff_SWAP_sym_out, | |
5654 | coff_SWAP_lineno_out, coff_SWAP_reloc_out, | |
5655 | coff_SWAP_filehdr_out, coff_SWAP_aouthdr_out, | |
5656 | coff_SWAP_scnhdr_out, | |
5657 | FILHSZ, AOUTSZ, SCNHSZ_V01, SYMESZ, AUXESZ, RELSZ, LINESZ, FILNMLEN, | |
5658 | #ifdef COFF_LONG_FILENAMES | |
0a1b45a2 | 5659 | true, |
5a5b9651 | 5660 | #else |
0a1b45a2 | 5661 | false, |
5a5b9651 | 5662 | #endif |
88183869 | 5663 | COFF_DEFAULT_LONG_SECTION_NAMES, |
5a5b9651 SS |
5664 | COFF_DEFAULT_SECTION_ALIGNMENT_POWER, |
5665 | #ifdef COFF_FORCE_SYMBOLS_IN_STRINGS | |
0a1b45a2 | 5666 | true, |
5a5b9651 | 5667 | #else |
0a1b45a2 | 5668 | false, |
5a5b9651 SS |
5669 | #endif |
5670 | #ifdef COFF_DEBUG_STRING_WIDE_PREFIX | |
5671 | 4, | |
5672 | #else | |
5673 | 2, | |
5674 | #endif | |
167ad85b | 5675 | 32768, |
5a5b9651 SS |
5676 | coff_SWAP_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in, |
5677 | coff_SWAP_reloc_in, ticoff1_bad_format_hook, coff_set_arch_mach_hook, | |
5678 | coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook, | |
5679 | coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook, | |
5680 | coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate, | |
5681 | coff_classify_symbol, coff_compute_section_file_positions, | |
5682 | coff_start_final_link, coff_relocate_section, coff_rtype_to_howto, | |
5683 | coff_adjust_symndx, coff_link_add_one_symbol, | |
2b5c217d NC |
5684 | coff_link_output_has_begun, coff_final_link_postscript, |
5685 | bfd_pe_print_pdata /* huh */ | |
5a5b9651 SS |
5686 | }; |
5687 | #endif | |
5688 | ||
167ad85b | 5689 | #ifdef COFF_WITH_PE_BIGOBJ |
a5c71af8 | 5690 | /* The UID for bigobj files. */ |
167ad85b TG |
5691 | |
5692 | static const char header_bigobj_classid[16] = | |
5693 | { | |
5694 | 0xC7, 0xA1, 0xBA, 0xD1, | |
5695 | 0xEE, 0xBA, | |
5696 | 0xa9, 0x4b, | |
5697 | 0xAF, 0x20, | |
5698 | 0xFA, 0xF6, 0x6A, 0xA4, 0xDC, 0xB8 | |
5699 | }; | |
5700 | ||
5701 | /* Swap routines. */ | |
5702 | ||
5703 | static void | |
5704 | coff_bigobj_swap_filehdr_in (bfd * abfd, void * src, void * dst) | |
5705 | { | |
5706 | struct external_ANON_OBJECT_HEADER_BIGOBJ *filehdr_src = | |
5707 | (struct external_ANON_OBJECT_HEADER_BIGOBJ *) src; | |
5708 | struct internal_filehdr *filehdr_dst = (struct internal_filehdr *) dst; | |
5709 | ||
5710 | filehdr_dst->f_magic = H_GET_16 (abfd, filehdr_src->Machine); | |
5711 | filehdr_dst->f_nscns = H_GET_32 (abfd, filehdr_src->NumberOfSections); | |
5712 | filehdr_dst->f_timdat = H_GET_32 (abfd, filehdr_src->TimeDateStamp); | |
5713 | filehdr_dst->f_symptr = | |
5714 | GET_FILEHDR_SYMPTR (abfd, filehdr_src->PointerToSymbolTable); | |
5715 | filehdr_dst->f_nsyms = H_GET_32 (abfd, filehdr_src->NumberOfSymbols); | |
5716 | filehdr_dst->f_opthdr = 0; | |
5717 | filehdr_dst->f_flags = 0; | |
5718 | ||
5719 | /* Check other magic numbers. */ | |
5720 | if (H_GET_16 (abfd, filehdr_src->Sig1) != IMAGE_FILE_MACHINE_UNKNOWN | |
5721 | || H_GET_16 (abfd, filehdr_src->Sig2) != 0xffff | |
5722 | || H_GET_16 (abfd, filehdr_src->Version) != 2 | |
5723 | || memcmp (filehdr_src->ClassID, header_bigobj_classid, 16) != 0) | |
5724 | filehdr_dst->f_opthdr = 0xffff; | |
5725 | ||
5726 | /* Note that CLR metadata are ignored. */ | |
5727 | } | |
5728 | ||
5729 | static unsigned int | |
5730 | coff_bigobj_swap_filehdr_out (bfd *abfd, void * in, void * out) | |
5731 | { | |
5732 | struct internal_filehdr *filehdr_in = (struct internal_filehdr *) in; | |
5733 | struct external_ANON_OBJECT_HEADER_BIGOBJ *filehdr_out = | |
5734 | (struct external_ANON_OBJECT_HEADER_BIGOBJ *) out; | |
5735 | ||
5736 | memset (filehdr_out, 0, sizeof (*filehdr_out)); | |
5737 | ||
5738 | H_PUT_16 (abfd, IMAGE_FILE_MACHINE_UNKNOWN, filehdr_out->Sig1); | |
5739 | H_PUT_16 (abfd, 0xffff, filehdr_out->Sig2); | |
5740 | H_PUT_16 (abfd, 2, filehdr_out->Version); | |
5741 | memcpy (filehdr_out->ClassID, header_bigobj_classid, 16); | |
5742 | H_PUT_16 (abfd, filehdr_in->f_magic, filehdr_out->Machine); | |
5743 | H_PUT_32 (abfd, filehdr_in->f_nscns, filehdr_out->NumberOfSections); | |
5744 | H_PUT_32 (abfd, filehdr_in->f_timdat, filehdr_out->TimeDateStamp); | |
5745 | PUT_FILEHDR_SYMPTR (abfd, filehdr_in->f_symptr, | |
5746 | filehdr_out->PointerToSymbolTable); | |
5747 | H_PUT_32 (abfd, filehdr_in->f_nsyms, filehdr_out->NumberOfSymbols); | |
5748 | ||
5749 | return bfd_coff_filhsz (abfd); | |
5750 | } | |
5751 | ||
5752 | static void | |
5753 | coff_bigobj_swap_sym_in (bfd * abfd, void * ext1, void * in1) | |
5754 | { | |
5755 | SYMENT_BIGOBJ *ext = (SYMENT_BIGOBJ *) ext1; | |
5756 | struct internal_syment *in = (struct internal_syment *) in1; | |
5757 | ||
5758 | if (ext->e.e_name[0] == 0) | |
5759 | { | |
5760 | in->_n._n_n._n_zeroes = 0; | |
5761 | in->_n._n_n._n_offset = H_GET_32 (abfd, ext->e.e.e_offset); | |
5762 | } | |
5763 | else | |
5764 | { | |
5765 | #if SYMNMLEN != E_SYMNMLEN | |
5766 | #error we need to cope with truncating or extending SYMNMLEN | |
5767 | #else | |
5768 | memcpy (in->_n._n_name, ext->e.e_name, SYMNMLEN); | |
5769 | #endif | |
5770 | } | |
5771 | ||
5772 | in->n_value = H_GET_32 (abfd, ext->e_value); | |
9ae678af | 5773 | BFD_ASSERT (sizeof (in->n_scnum) >= 4); |
167ad85b TG |
5774 | in->n_scnum = H_GET_32 (abfd, ext->e_scnum); |
5775 | in->n_type = H_GET_16 (abfd, ext->e_type); | |
5776 | in->n_sclass = H_GET_8 (abfd, ext->e_sclass); | |
5777 | in->n_numaux = H_GET_8 (abfd, ext->e_numaux); | |
5778 | } | |
5779 | ||
5780 | static unsigned int | |
5781 | coff_bigobj_swap_sym_out (bfd * abfd, void * inp, void * extp) | |
5782 | { | |
5783 | struct internal_syment *in = (struct internal_syment *) inp; | |
5784 | SYMENT_BIGOBJ *ext = (SYMENT_BIGOBJ *) extp; | |
5785 | ||
5786 | if (in->_n._n_name[0] == 0) | |
5787 | { | |
5788 | H_PUT_32 (abfd, 0, ext->e.e.e_zeroes); | |
5789 | H_PUT_32 (abfd, in->_n._n_n._n_offset, ext->e.e.e_offset); | |
5790 | } | |
5791 | else | |
5792 | { | |
5793 | #if SYMNMLEN != E_SYMNMLEN | |
5794 | #error we need to cope with truncating or extending SYMNMLEN | |
5795 | #else | |
5796 | memcpy (ext->e.e_name, in->_n._n_name, SYMNMLEN); | |
5797 | #endif | |
5798 | } | |
5799 | ||
5800 | H_PUT_32 (abfd, in->n_value, ext->e_value); | |
5801 | H_PUT_32 (abfd, in->n_scnum, ext->e_scnum); | |
5802 | ||
5803 | H_PUT_16 (abfd, in->n_type, ext->e_type); | |
5804 | H_PUT_8 (abfd, in->n_sclass, ext->e_sclass); | |
5805 | H_PUT_8 (abfd, in->n_numaux, ext->e_numaux); | |
5806 | ||
5807 | return SYMESZ_BIGOBJ; | |
5808 | } | |
5809 | ||
5810 | static void | |
5811 | coff_bigobj_swap_aux_in (bfd *abfd, | |
5812 | void * ext1, | |
5813 | int type, | |
5814 | int in_class, | |
5815 | int indx, | |
5816 | int numaux, | |
5817 | void * in1) | |
5818 | { | |
5819 | AUXENT_BIGOBJ *ext = (AUXENT_BIGOBJ *) ext1; | |
5820 | union internal_auxent *in = (union internal_auxent *) in1; | |
5821 | ||
810ed4db CG |
5822 | /* Make sure that all fields in the aux structure are |
5823 | initialised. */ | |
5824 | memset (in, 0, sizeof * in); | |
167ad85b TG |
5825 | switch (in_class) |
5826 | { | |
5827 | case C_FILE: | |
5828 | if (numaux > 1) | |
5829 | { | |
5830 | if (indx == 0) | |
e86fc4a5 | 5831 | memcpy (in->x_file.x_n.x_fname, ext->File.Name, |
167ad85b TG |
5832 | numaux * sizeof (AUXENT_BIGOBJ)); |
5833 | } | |
5834 | else | |
e86fc4a5 | 5835 | memcpy (in->x_file.x_n.x_fname, ext->File.Name, sizeof (ext->File.Name)); |
167ad85b TG |
5836 | break; |
5837 | ||
5838 | case C_STAT: | |
5839 | case C_LEAFSTAT: | |
5840 | case C_HIDDEN: | |
5841 | if (type == T_NULL) | |
5842 | { | |
5843 | in->x_scn.x_scnlen = H_GET_32 (abfd, ext->Section.Length); | |
5844 | in->x_scn.x_nreloc = | |
5845 | H_GET_16 (abfd, ext->Section.NumberOfRelocations); | |
5846 | in->x_scn.x_nlinno = | |
5847 | H_GET_16 (abfd, ext->Section.NumberOfLinenumbers); | |
5848 | in->x_scn.x_checksum = H_GET_32 (abfd, ext->Section.Checksum); | |
5849 | in->x_scn.x_associated = H_GET_16 (abfd, ext->Section.Number) | |
5850 | | (H_GET_16 (abfd, ext->Section.HighNumber) << 16); | |
5851 | in->x_scn.x_comdat = H_GET_8 (abfd, ext->Section.Selection); | |
5852 | return; | |
5853 | } | |
5854 | break; | |
5855 | ||
5856 | default: | |
a2c7ca15 | 5857 | in->x_sym.x_tagndx.u32 = H_GET_32 (abfd, ext->Sym.WeakDefaultSymIndex); |
167ad85b TG |
5858 | /* Characteristics is ignored. */ |
5859 | break; | |
5860 | } | |
5861 | } | |
5862 | ||
5863 | static unsigned int | |
5864 | coff_bigobj_swap_aux_out (bfd * abfd, | |
5865 | void * inp, | |
5866 | int type, | |
5867 | int in_class, | |
5868 | int indx ATTRIBUTE_UNUSED, | |
5869 | int numaux ATTRIBUTE_UNUSED, | |
5870 | void * extp) | |
5871 | { | |
5872 | union internal_auxent * in = (union internal_auxent *) inp; | |
5873 | AUXENT_BIGOBJ *ext = (AUXENT_BIGOBJ *) extp; | |
5874 | ||
5875 | memset (ext, 0, AUXESZ); | |
5876 | ||
5877 | switch (in_class) | |
5878 | { | |
5879 | case C_FILE: | |
e86fc4a5 | 5880 | memcpy (ext->File.Name, in->x_file.x_n.x_fname, sizeof (ext->File.Name)); |
167ad85b TG |
5881 | |
5882 | return AUXESZ; | |
5883 | ||
5884 | case C_STAT: | |
5885 | case C_LEAFSTAT: | |
5886 | case C_HIDDEN: | |
5887 | if (type == T_NULL) | |
5888 | { | |
5889 | H_PUT_32 (abfd, in->x_scn.x_scnlen, ext->Section.Length); | |
5890 | H_PUT_16 (abfd, in->x_scn.x_nreloc, | |
5891 | ext->Section.NumberOfRelocations); | |
5892 | H_PUT_16 (abfd, in->x_scn.x_nlinno, | |
5893 | ext->Section.NumberOfLinenumbers); | |
5894 | H_PUT_32 (abfd, in->x_scn.x_checksum, ext->Section.Checksum); | |
5895 | H_PUT_16 (abfd, in->x_scn.x_associated & 0xffff, | |
5896 | ext->Section.Number); | |
5897 | H_PUT_16 (abfd, (in->x_scn.x_associated >> 16), | |
5898 | ext->Section.HighNumber); | |
5899 | H_PUT_8 (abfd, in->x_scn.x_comdat, ext->Section.Selection); | |
5900 | return AUXESZ; | |
5901 | } | |
5902 | break; | |
5903 | } | |
5904 | ||
a2c7ca15 | 5905 | H_PUT_32 (abfd, in->x_sym.x_tagndx.u32, ext->Sym.WeakDefaultSymIndex); |
167ad85b TG |
5906 | H_PUT_32 (abfd, 1, ext->Sym.WeakSearchType); |
5907 | ||
5908 | return AUXESZ; | |
5909 | } | |
5910 | ||
22a95e1a | 5911 | static const bfd_coff_backend_data bigobj_swap_table = |
167ad85b TG |
5912 | { |
5913 | coff_bigobj_swap_aux_in, coff_bigobj_swap_sym_in, coff_SWAP_lineno_in, | |
5914 | coff_bigobj_swap_aux_out, coff_bigobj_swap_sym_out, | |
5915 | coff_SWAP_lineno_out, coff_SWAP_reloc_out, | |
5916 | coff_bigobj_swap_filehdr_out, coff_SWAP_aouthdr_out, | |
5917 | coff_SWAP_scnhdr_out, | |
5918 | FILHSZ_BIGOBJ, AOUTSZ, SCNHSZ, SYMESZ_BIGOBJ, AUXESZ_BIGOBJ, | |
5919 | RELSZ, LINESZ, FILNMLEN_BIGOBJ, | |
0a1b45a2 | 5920 | true, |
167ad85b TG |
5921 | COFF_DEFAULT_LONG_SECTION_NAMES, |
5922 | COFF_DEFAULT_SECTION_ALIGNMENT_POWER, | |
0a1b45a2 | 5923 | false, |
167ad85b TG |
5924 | 2, |
5925 | 1U << 31, | |
5926 | coff_bigobj_swap_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in, | |
5927 | coff_SWAP_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook, | |
5928 | coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook, | |
5929 | coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook, | |
5930 | coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate, | |
5931 | coff_classify_symbol, coff_compute_section_file_positions, | |
5932 | coff_start_final_link, coff_relocate_section, coff_rtype_to_howto, | |
5933 | coff_adjust_symndx, coff_link_add_one_symbol, | |
5934 | coff_link_output_has_begun, coff_final_link_postscript, | |
5935 | bfd_pe_print_pdata /* huh */ | |
5936 | }; | |
5937 | ||
5938 | #endif /* COFF_WITH_PE_BIGOBJ */ | |
5939 | ||
252b5132 | 5940 | #ifndef coff_close_and_cleanup |
ba75d1c5 | 5941 | #define coff_close_and_cleanup _bfd_generic_close_and_cleanup |
252b5132 RH |
5942 | #endif |
5943 | ||
5944 | #ifndef coff_bfd_free_cached_info | |
ba75d1c5 | 5945 | #define coff_bfd_free_cached_info _bfd_coff_free_cached_info |
252b5132 RH |
5946 | #endif |
5947 | ||
5948 | #ifndef coff_get_section_contents | |
46f2f11d | 5949 | #define coff_get_section_contents _bfd_generic_get_section_contents |
252b5132 RH |
5950 | #endif |
5951 | ||
5952 | #ifndef coff_bfd_copy_private_symbol_data | |
5953 | #define coff_bfd_copy_private_symbol_data _bfd_generic_bfd_copy_private_symbol_data | |
5954 | #endif | |
5955 | ||
80fccad2 BW |
5956 | #ifndef coff_bfd_copy_private_header_data |
5957 | #define coff_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data | |
5958 | #endif | |
5959 | ||
252b5132 RH |
5960 | #ifndef coff_bfd_copy_private_section_data |
5961 | #define coff_bfd_copy_private_section_data _bfd_generic_bfd_copy_private_section_data | |
5962 | #endif | |
5963 | ||
e60b52c6 | 5964 | #ifndef coff_bfd_copy_private_bfd_data |
252b5132 RH |
5965 | #define coff_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data |
5966 | #endif | |
5967 | ||
5968 | #ifndef coff_bfd_merge_private_bfd_data | |
5969 | #define coff_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data | |
5970 | #endif | |
5971 | ||
5972 | #ifndef coff_bfd_set_private_flags | |
46f2f11d | 5973 | #define coff_bfd_set_private_flags _bfd_generic_bfd_set_private_flags |
252b5132 RH |
5974 | #endif |
5975 | ||
e60b52c6 | 5976 | #ifndef coff_bfd_print_private_bfd_data |
252b5132 RH |
5977 | #define coff_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data |
5978 | #endif | |
5979 | ||
5980 | #ifndef coff_bfd_is_local_label_name | |
5981 | #define coff_bfd_is_local_label_name _bfd_coff_is_local_label_name | |
5982 | #endif | |
5983 | ||
3c9458e9 | 5984 | #ifndef coff_bfd_is_target_special_symbol |
d00dd7dc | 5985 | #define coff_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false |
3c9458e9 NC |
5986 | #endif |
5987 | ||
252b5132 RH |
5988 | #ifndef coff_read_minisymbols |
5989 | #define coff_read_minisymbols _bfd_generic_read_minisymbols | |
5990 | #endif | |
5991 | ||
5992 | #ifndef coff_minisymbol_to_symbol | |
5993 | #define coff_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol | |
5994 | #endif | |
5995 | ||
5996 | /* The reloc lookup routine must be supplied by each individual COFF | |
5997 | backend. */ | |
5998 | #ifndef coff_bfd_reloc_type_lookup | |
5999 | #define coff_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup | |
6000 | #endif | |
157090f7 AM |
6001 | #ifndef coff_bfd_reloc_name_lookup |
6002 | #define coff_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup | |
6003 | #endif | |
252b5132 RH |
6004 | |
6005 | #ifndef coff_bfd_get_relocated_section_contents | |
6006 | #define coff_bfd_get_relocated_section_contents \ | |
6007 | bfd_generic_get_relocated_section_contents | |
6008 | #endif | |
6009 | ||
6010 | #ifndef coff_bfd_relax_section | |
6011 | #define coff_bfd_relax_section bfd_generic_relax_section | |
6012 | #endif | |
6013 | ||
6014 | #ifndef coff_bfd_gc_sections | |
0f088b2a | 6015 | #define coff_bfd_gc_sections bfd_coff_gc_sections |
252b5132 | 6016 | #endif |
c3c89269 | 6017 | |
ae17ab41 CM |
6018 | #ifndef coff_bfd_lookup_section_flags |
6019 | #define coff_bfd_lookup_section_flags bfd_generic_lookup_section_flags | |
6020 | #endif | |
6021 | ||
8550eb6e JJ |
6022 | #ifndef coff_bfd_merge_sections |
6023 | #define coff_bfd_merge_sections bfd_generic_merge_sections | |
6024 | #endif | |
6025 | ||
72adc230 AM |
6026 | #ifndef coff_bfd_is_group_section |
6027 | #define coff_bfd_is_group_section bfd_generic_is_group_section | |
6028 | #endif | |
6029 | ||
cb7f4b29 AM |
6030 | #ifndef coff_bfd_group_name |
6031 | #define coff_bfd_group_name bfd_coff_group_name | |
6032 | #endif | |
6033 | ||
e61463e1 AM |
6034 | #ifndef coff_bfd_discard_group |
6035 | #define coff_bfd_discard_group bfd_generic_discard_group | |
6036 | #endif | |
6037 | ||
082b7297 L |
6038 | #ifndef coff_section_already_linked |
6039 | #define coff_section_already_linked \ | |
c77ec726 | 6040 | _bfd_coff_section_already_linked |
082b7297 L |
6041 | #endif |
6042 | ||
3023e3f6 RS |
6043 | #ifndef coff_bfd_define_common_symbol |
6044 | #define coff_bfd_define_common_symbol bfd_generic_define_common_symbol | |
6045 | #endif | |
6046 | ||
34a87bb0 L |
6047 | #ifndef coff_bfd_link_hide_symbol |
6048 | #define coff_bfd_link_hide_symbol _bfd_generic_link_hide_symbol | |
6049 | #endif | |
6050 | ||
7dba9362 AM |
6051 | #ifndef coff_bfd_define_start_stop |
6052 | #define coff_bfd_define_start_stop bfd_generic_define_start_stop | |
6053 | #endif | |
6054 | ||
3fa78519 | 6055 | #define CREATE_BIG_COFF_TARGET_VEC(VAR, NAME, EXTRA_O_FLAGS, EXTRA_S_FLAGS, UNDER, ALTERNATIVE, SWAP_TABLE) \ |
4c117b10 ILT |
6056 | const bfd_target VAR = \ |
6057 | { \ | |
6058 | NAME , \ | |
6059 | bfd_target_coff_flavour, \ | |
7920ce38 NC |
6060 | BFD_ENDIAN_BIG, /* Data byte order is big. */ \ |
6061 | BFD_ENDIAN_BIG, /* Header byte order is big. */ \ | |
4c117b10 ILT |
6062 | /* object flags */ \ |
6063 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | \ | |
6064 | HAS_SYMS | HAS_LOCALS | WP_TEXT | EXTRA_O_FLAGS), \ | |
6065 | /* section flags */ \ | |
6066 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | EXTRA_S_FLAGS),\ | |
7920ce38 NC |
6067 | UNDER, /* Leading symbol underscore. */ \ |
6068 | '/', /* AR_pad_char. */ \ | |
6069 | 15, /* AR_max_namelen. */ \ | |
0aabe54e | 6070 | 0, /* match priority. */ \ |
d1bcae83 | 6071 | TARGET_KEEP_UNUSED_SECTION_SYMBOLS, /* keep unused section symbols. */ \ |
46f2f11d | 6072 | \ |
4c117b10 ILT |
6073 | /* Data conversion functions. */ \ |
6074 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, \ | |
6075 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, \ | |
6076 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, \ | |
46f2f11d | 6077 | \ |
4c117b10 ILT |
6078 | /* Header conversion functions. */ \ |
6079 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, \ | |
6080 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, \ | |
6081 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, \ | |
6082 | \ | |
d00dd7dc AM |
6083 | { /* bfd_check_format. */ \ |
6084 | _bfd_dummy_target, \ | |
6085 | coff_object_p, \ | |
6086 | bfd_generic_archive_p, \ | |
6087 | _bfd_dummy_target \ | |
6088 | }, \ | |
6089 | { /* bfd_set_format. */ \ | |
6090 | _bfd_bool_bfd_false_error, \ | |
6091 | coff_mkobject, \ | |
6092 | _bfd_generic_mkarchive, \ | |
6093 | _bfd_bool_bfd_false_error \ | |
6094 | }, \ | |
6095 | { /* bfd_write_contents. */ \ | |
6096 | _bfd_bool_bfd_false_error, \ | |
6097 | coff_write_object_contents, \ | |
6098 | _bfd_write_archive_contents, \ | |
6099 | _bfd_bool_bfd_false_error \ | |
6100 | }, \ | |
4c117b10 ILT |
6101 | \ |
6102 | BFD_JUMP_TABLE_GENERIC (coff), \ | |
6103 | BFD_JUMP_TABLE_COPY (coff), \ | |
6104 | BFD_JUMP_TABLE_CORE (_bfd_nocore), \ | |
6105 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), \ | |
6106 | BFD_JUMP_TABLE_SYMBOLS (coff), \ | |
6107 | BFD_JUMP_TABLE_RELOCS (coff), \ | |
6108 | BFD_JUMP_TABLE_WRITE (coff), \ | |
6109 | BFD_JUMP_TABLE_LINK (coff), \ | |
6110 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), \ | |
46f2f11d | 6111 | \ |
4c117b10 | 6112 | ALTERNATIVE, \ |
46f2f11d | 6113 | \ |
3fa78519 | 6114 | SWAP_TABLE \ |
c3c89269 NC |
6115 | }; |
6116 | ||
3fa78519 SS |
6117 | #define CREATE_BIGHDR_COFF_TARGET_VEC(VAR, NAME, EXTRA_O_FLAGS, EXTRA_S_FLAGS, UNDER, ALTERNATIVE, SWAP_TABLE) \ |
6118 | const bfd_target VAR = \ | |
6119 | { \ | |
6120 | NAME , \ | |
6121 | bfd_target_coff_flavour, \ | |
7920ce38 NC |
6122 | BFD_ENDIAN_LITTLE, /* Data byte order is little. */ \ |
6123 | BFD_ENDIAN_BIG, /* Header byte order is big. */ \ | |
3fa78519 SS |
6124 | /* object flags */ \ |
6125 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | \ | |
6126 | HAS_SYMS | HAS_LOCALS | WP_TEXT | EXTRA_O_FLAGS), \ | |
6127 | /* section flags */ \ | |
6128 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | EXTRA_S_FLAGS),\ | |
7920ce38 NC |
6129 | UNDER, /* Leading symbol underscore. */ \ |
6130 | '/', /* AR_pad_char. */ \ | |
6131 | 15, /* AR_max_namelen. */ \ | |
0aabe54e | 6132 | 0, /* match priority. */ \ |
d1bcae83 | 6133 | TARGET_KEEP_UNUSED_SECTION_SYMBOLS, /* keep unused section symbols. */ \ |
46f2f11d | 6134 | \ |
3fa78519 SS |
6135 | /* Data conversion functions. */ \ |
6136 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, \ | |
6137 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, \ | |
6138 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, \ | |
46f2f11d | 6139 | \ |
3fa78519 SS |
6140 | /* Header conversion functions. */ \ |
6141 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, \ | |
6142 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, \ | |
6143 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, \ | |
6144 | \ | |
d00dd7dc AM |
6145 | { /* bfd_check_format. */ \ |
6146 | _bfd_dummy_target, \ | |
6147 | coff_object_p, \ | |
6148 | bfd_generic_archive_p, \ | |
6149 | _bfd_dummy_target \ | |
6150 | }, \ | |
6151 | { /* bfd_set_format. */ \ | |
6152 | _bfd_bool_bfd_false_error, \ | |
6153 | coff_mkobject, \ | |
6154 | _bfd_generic_mkarchive, \ | |
6155 | _bfd_bool_bfd_false_error \ | |
6156 | }, \ | |
6157 | { /* bfd_write_contents. */ \ | |
6158 | _bfd_bool_bfd_false_error, \ | |
6159 | coff_write_object_contents, \ | |
6160 | _bfd_write_archive_contents, \ | |
6161 | _bfd_bool_bfd_false_error \ | |
6162 | }, \ | |
3fa78519 SS |
6163 | \ |
6164 | BFD_JUMP_TABLE_GENERIC (coff), \ | |
6165 | BFD_JUMP_TABLE_COPY (coff), \ | |
6166 | BFD_JUMP_TABLE_CORE (_bfd_nocore), \ | |
6167 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), \ | |
6168 | BFD_JUMP_TABLE_SYMBOLS (coff), \ | |
6169 | BFD_JUMP_TABLE_RELOCS (coff), \ | |
6170 | BFD_JUMP_TABLE_WRITE (coff), \ | |
6171 | BFD_JUMP_TABLE_LINK (coff), \ | |
6172 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), \ | |
46f2f11d | 6173 | \ |
3fa78519 | 6174 | ALTERNATIVE, \ |
46f2f11d | 6175 | \ |
3fa78519 SS |
6176 | SWAP_TABLE \ |
6177 | }; | |
6178 | ||
6179 | #define CREATE_LITTLE_COFF_TARGET_VEC(VAR, NAME, EXTRA_O_FLAGS, EXTRA_S_FLAGS, UNDER, ALTERNATIVE, SWAP_TABLE) \ | |
4c117b10 ILT |
6180 | const bfd_target VAR = \ |
6181 | { \ | |
6182 | NAME , \ | |
6183 | bfd_target_coff_flavour, \ | |
7920ce38 NC |
6184 | BFD_ENDIAN_LITTLE, /* Data byte order is little. */ \ |
6185 | BFD_ENDIAN_LITTLE, /* Header byte order is little. */ \ | |
4c117b10 ILT |
6186 | /* object flags */ \ |
6187 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | \ | |
6188 | HAS_SYMS | HAS_LOCALS | WP_TEXT | EXTRA_O_FLAGS), \ | |
6189 | /* section flags */ \ | |
6190 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | EXTRA_S_FLAGS),\ | |
7920ce38 NC |
6191 | UNDER, /* Leading symbol underscore. */ \ |
6192 | '/', /* AR_pad_char. */ \ | |
6193 | 15, /* AR_max_namelen. */ \ | |
0aabe54e | 6194 | 0, /* match priority. */ \ |
d1bcae83 | 6195 | TARGET_KEEP_UNUSED_SECTION_SYMBOLS, /* keep unused section symbols. */ \ |
4c117b10 ILT |
6196 | \ |
6197 | /* Data conversion functions. */ \ | |
6198 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, \ | |
6199 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, \ | |
6200 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, \ | |
6201 | /* Header conversion functions. */ \ | |
6202 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, \ | |
6203 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, \ | |
6204 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, \ | |
d00dd7dc AM |
6205 | \ |
6206 | { /* bfd_check_format. */ \ | |
6207 | _bfd_dummy_target, \ | |
6208 | coff_object_p, \ | |
6209 | bfd_generic_archive_p, \ | |
6210 | _bfd_dummy_target \ | |
6211 | }, \ | |
6212 | { /* bfd_set_format. */ \ | |
6213 | _bfd_bool_bfd_false_error, \ | |
6214 | coff_mkobject, \ | |
6215 | _bfd_generic_mkarchive, \ | |
6216 | _bfd_bool_bfd_false_error \ | |
6217 | }, \ | |
6218 | { /* bfd_write_contents. */ \ | |
6219 | _bfd_bool_bfd_false_error, \ | |
6220 | coff_write_object_contents, \ | |
6221 | _bfd_write_archive_contents, \ | |
6222 | _bfd_bool_bfd_false_error \ | |
6223 | }, \ | |
4c117b10 ILT |
6224 | \ |
6225 | BFD_JUMP_TABLE_GENERIC (coff), \ | |
6226 | BFD_JUMP_TABLE_COPY (coff), \ | |
6227 | BFD_JUMP_TABLE_CORE (_bfd_nocore), \ | |
6228 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), \ | |
6229 | BFD_JUMP_TABLE_SYMBOLS (coff), \ | |
6230 | BFD_JUMP_TABLE_RELOCS (coff), \ | |
6231 | BFD_JUMP_TABLE_WRITE (coff), \ | |
6232 | BFD_JUMP_TABLE_LINK (coff), \ | |
6233 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), \ | |
6234 | \ | |
6235 | ALTERNATIVE, \ | |
46f2f11d | 6236 | \ |
3fa78519 | 6237 | SWAP_TABLE \ |
c3c89269 | 6238 | }; |