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6d7c88c3 | 1 | /* Support for the generic parts of most COFF variants, for BFD. |
d04efb80 ILT |
2 | Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 1998 |
3 | Free Software Foundation, Inc. | |
7a8b18b6 | 4 | Written by Cygnus Support. |
0f268757 | 5 | |
7a8b18b6 | 6 | This file is part of BFD, the Binary File Descriptor library. |
0f268757 | 7 | |
7a8b18b6 SC |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
0f268757 | 12 | |
7a8b18b6 SC |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
0f268757 | 17 | |
7a8b18b6 SC |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
e9614321 | 20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
6f715d66 | 21 | |
9783e04a | 22 | /* |
6590a8c9 | 23 | Most of this hacked by Steve Chamberlain, |
9783e04a | 24 | sac@cygnus.com |
6590a8c9 | 25 | */ |
9fda1a39 | 26 | /* |
6f715d66 | 27 | |
9fda1a39 SC |
28 | SECTION |
29 | coff backends | |
30 | ||
9fda1a39 | 31 | BFD supports a number of different flavours of coff format. |
c188b0be | 32 | The major differences between formats are the sizes and |
9fda1a39 | 33 | alignments of fields in structures on disk, and the occasional |
9783e04a | 34 | extra field. |
9fda1a39 | 35 | |
c188b0be | 36 | Coff in all its varieties is implemented with a few common |
9fda1a39 SC |
37 | files and a number of implementation specific files. For |
38 | example, The 88k bcs coff format is implemented in the file | |
c188b0be DM |
39 | @file{coff-m88k.c}. This file @code{#include}s |
40 | @file{coff/m88k.h} which defines the external structure of the | |
41 | coff format for the 88k, and @file{coff/internal.h} which | |
42 | defines the internal structure. @file{coff-m88k.c} also | |
075caafd ILT |
43 | defines the relocations used by the 88k format |
44 | @xref{Relocations}. | |
9fda1a39 SC |
45 | |
46 | The Intel i960 processor version of coff is implemented in | |
c188b0be DM |
47 | @file{coff-i960.c}. This file has the same structure as |
48 | @file{coff-m88k.c}, except that it includes @file{coff/i960.h} | |
9783e04a | 49 | rather than @file{coff-m88k.h}. |
9fda1a39 SC |
50 | |
51 | SUBSECTION | |
c188b0be | 52 | Porting to a new version of coff |
9fda1a39 | 53 | |
9fda1a39 | 54 | The recommended method is to select from the existing |
c188b0be DM |
55 | implementations the version of coff which is most like the one |
56 | you want to use. For example, we'll say that i386 coff is | |
9fda1a39 | 57 | the one you select, and that your coff flavour is called foo. |
c188b0be DM |
58 | Copy @file{i386coff.c} to @file{foocoff.c}, copy |
59 | @file{../include/coff/i386.h} to @file{../include/coff/foo.h}, | |
60 | and add the lines to @file{targets.c} and @file{Makefile.in} | |
9fda1a39 | 61 | so that your new back end is used. Alter the shapes of the |
c188b0be | 62 | structures in @file{../include/coff/foo.h} so that they match |
9fda1a39 | 63 | what you need. You will probably also have to add |
c188b0be | 64 | @code{#ifdef}s to the code in @file{coff/internal.h} and |
9783e04a | 65 | @file{coffcode.h} if your version of coff is too wild. |
9fda1a39 SC |
66 | |
67 | You can verify that your new BFD backend works quite simply by | |
c188b0be DM |
68 | building @file{objdump} from the @file{binutils} directory, |
69 | and making sure that its version of what's going on and your | |
70 | host system's idea (assuming it has the pretty standard coff | |
71 | dump utility, usually called @code{att-dump} or just | |
72 | @code{dump}) are the same. Then clean up your code, and send | |
9fda1a39 SC |
73 | what you've done to Cygnus. Then your stuff will be in the |
74 | next release, and you won't have to keep integrating it. | |
75 | ||
76 | SUBSECTION | |
c188b0be | 77 | How the coff backend works |
9fda1a39 | 78 | |
075caafd | 79 | SUBSUBSECTION |
c188b0be | 80 | File layout |
075caafd ILT |
81 | |
82 | The Coff backend is split into generic routines that are | |
83 | applicable to any Coff target and routines that are specific | |
84 | to a particular target. The target-specific routines are | |
85 | further split into ones which are basically the same for all | |
86 | Coff targets except that they use the external symbol format | |
87 | or use different values for certain constants. | |
88 | ||
89 | The generic routines are in @file{coffgen.c}. These routines | |
90 | work for any Coff target. They use some hooks into the target | |
91 | specific code; the hooks are in a @code{bfd_coff_backend_data} | |
92 | structure, one of which exists for each target. | |
93 | ||
94 | The essentially similar target-specific routines are in | |
c188b0be | 95 | @file{coffcode.h}. This header file includes executable C code. |
075caafd ILT |
96 | The various Coff targets first include the appropriate Coff |
97 | header file, make any special defines that are needed, and | |
98 | then include @file{coffcode.h}. | |
99 | ||
100 | Some of the Coff targets then also have additional routines in | |
101 | the target source file itself. | |
102 | ||
103 | For example, @file{coff-i960.c} includes | |
104 | @file{coff/internal.h} and @file{coff/i960.h}. It then | |
105 | defines a few constants, such as @code{I960}, and includes | |
106 | @file{coffcode.h}. Since the i960 has complex relocation | |
107 | types, @file{coff-i960.c} also includes some code to | |
108 | manipulate the i960 relocs. This code is not in | |
109 | @file{coffcode.h} because it would not be used by any other | |
110 | target. | |
111 | ||
9fda1a39 | 112 | SUBSUBSECTION |
c188b0be | 113 | Bit twiddling |
9fda1a39 | 114 | |
9fda1a39 | 115 | Each flavour of coff supported in BFD has its own header file |
c188b0be DM |
116 | describing the external layout of the structures. There is also |
117 | an internal description of the coff layout, in | |
118 | @file{coff/internal.h}. A major function of the | |
9fda1a39 SC |
119 | coff backend is swapping the bytes and twiddling the bits to |
120 | translate the external form of the structures into the normal | |
121 | internal form. This is all performed in the | |
122 | @code{bfd_swap}_@i{thing}_@i{direction} routines. Some | |
123 | elements are different sizes between different versions of | |
c188b0be | 124 | coff; it is the duty of the coff version specific include file |
9fda1a39 | 125 | to override the definitions of various packing routines in |
c188b0be | 126 | @file{coffcode.h}. E.g., the size of line number entry in coff is |
9fda1a39 SC |
127 | sometimes 16 bits, and sometimes 32 bits. @code{#define}ing |
128 | @code{PUT_LNSZ_LNNO} and @code{GET_LNSZ_LNNO} will select the | |
129 | correct one. No doubt, some day someone will find a version of | |
c188b0be | 130 | coff which has a varying field size not catered to at the |
9783e04a | 131 | moment. To port BFD, that person will have to add more @code{#defines}. |
9fda1a39 SC |
132 | Three of the bit twiddling routines are exported to |
133 | @code{gdb}; @code{coff_swap_aux_in}, @code{coff_swap_sym_in} | |
134 | and @code{coff_swap_linno_in}. @code{GDB} reads the symbol | |
135 | table on its own, but uses BFD to fix things up. More of the | |
136 | bit twiddlers are exported for @code{gas}; | |
137 | @code{coff_swap_aux_out}, @code{coff_swap_sym_out}, | |
138 | @code{coff_swap_lineno_out}, @code{coff_swap_reloc_out}, | |
139 | @code{coff_swap_filehdr_out}, @code{coff_swap_aouthdr_out}, | |
140 | @code{coff_swap_scnhdr_out}. @code{Gas} currently keeps track | |
141 | of all the symbol table and reloc drudgery itself, thereby | |
142 | saving the internal BFD overhead, but uses BFD to swap things | |
c188b0be | 143 | on the way out, making cross ports much safer. Doing so also |
9fda1a39 SC |
144 | allows BFD (and thus the linker) to use the same header files |
145 | as @code{gas}, which makes one avenue to disaster disappear. | |
146 | ||
147 | SUBSUBSECTION | |
c188b0be | 148 | Symbol reading |
9fda1a39 | 149 | |
9fda1a39 SC |
150 | The simple canonical form for symbols used by BFD is not rich |
151 | enough to keep all the information available in a coff symbol | |
c188b0be | 152 | table. The back end gets around this problem by keeping the original |
9783e04a | 153 | symbol table around, "behind the scenes". |
9fda1a39 SC |
154 | |
155 | When a symbol table is requested (through a call to | |
c188b0be | 156 | @code{bfd_canonicalize_symtab}), a request gets through to |
075caafd | 157 | @code{coff_get_normalized_symtab}. This reads the symbol table from |
9fda1a39 SC |
158 | the coff file and swaps all the structures inside into the |
159 | internal form. It also fixes up all the pointers in the table | |
160 | (represented in the file by offsets from the first symbol in | |
161 | the table) into physical pointers to elements in the new | |
162 | internal table. This involves some work since the meanings of | |
c188b0be | 163 | fields change depending upon context: a field that is a |
9fda1a39 | 164 | pointer to another structure in the symbol table at one moment |
c188b0be | 165 | may be the size in bytes of a structure at the next. Another |
9fda1a39 | 166 | pass is made over the table. All symbols which mark file names |
616ebcfd | 167 | (<<C_FILE>> symbols) are modified so that the internal |
9fda1a39 SC |
168 | string points to the value in the auxent (the real filename) |
169 | rather than the normal text associated with the symbol | |
9783e04a | 170 | (@code{".file"}). |
9fda1a39 SC |
171 | |
172 | At this time the symbol names are moved around. Coff stores | |
173 | all symbols less than nine characters long physically | |
c188b0be | 174 | within the symbol table; longer strings are kept at the end of |
9fda1a39 | 175 | the file in the string table. This pass moves all strings |
c188b0be | 176 | into memory and replaces them with pointers to the strings. |
9fda1a39 SC |
177 | |
178 | ||
179 | The symbol table is massaged once again, this time to create | |
180 | the canonical table used by the BFD application. Each symbol | |
181 | is inspected in turn, and a decision made (using the | |
182 | @code{sclass} field) about the various flags to set in the | |
c188b0be | 183 | @code{asymbol}. @xref{Symbols}. The generated canonical table |
9783e04a | 184 | shares strings with the hidden internal symbol table. |
9fda1a39 SC |
185 | |
186 | Any linenumbers are read from the coff file too, and attached | |
9783e04a | 187 | to the symbols which own the functions the linenumbers belong to. |
9fda1a39 SC |
188 | |
189 | SUBSUBSECTION | |
c188b0be | 190 | Symbol writing |
9fda1a39 | 191 | |
9fda1a39 SC |
192 | Writing a symbol to a coff file which didn't come from a coff |
193 | file will lose any debugging information. The @code{asymbol} | |
c188b0be DM |
194 | structure remembers the BFD from which the symbol was taken, and on |
195 | output the back end makes sure that the same destination target as | |
9fda1a39 SC |
196 | source target is present. |
197 | ||
198 | When the symbols have come from a coff file then all the | |
199 | debugging information is preserved. | |
200 | ||
201 | Symbol tables are provided for writing to the back end in a | |
202 | vector of pointers to pointers. This allows applications like | |
203 | the linker to accumulate and output large symbol tables | |
204 | without having to do too much byte copying. | |
205 | ||
9fda1a39 SC |
206 | This function runs through the provided symbol table and |
207 | patches each symbol marked as a file place holder | |
208 | (@code{C_FILE}) to point to the next file place holder in the | |
209 | list. It also marks each @code{offset} field in the list with | |
210 | the offset from the first symbol of the current symbol. | |
211 | ||
212 | Another function of this procedure is to turn the canonical | |
213 | value form of BFD into the form used by coff. Internally, BFD | |
214 | expects symbol values to be offsets from a section base; so a | |
215 | symbol physically at 0x120, but in a section starting at | |
216 | 0x100, would have the value 0x20. Coff expects symbols to | |
217 | contain their final value, so symbols have their values | |
218 | changed at this point to reflect their sum with their owning | |
c188b0be | 219 | section. This transformation uses the |
9fda1a39 | 220 | <<output_section>> field of the @code{asymbol}'s |
9783e04a | 221 | @code{asection} @xref{Sections}. |
9fda1a39 | 222 | |
c188b0be | 223 | o <<coff_mangle_symbols>> |
616ebcfd | 224 | |
9fda1a39 SC |
225 | This routine runs though the provided symbol table and uses |
226 | the offsets generated by the previous pass and the pointers | |
227 | generated when the symbol table was read in to create the | |
228 | structured hierachy required by coff. It changes each pointer | |
c188b0be | 229 | to a symbol into the index into the symbol table of the asymbol. |
9fda1a39 | 230 | |
c188b0be | 231 | o <<coff_write_symbols>> |
616ebcfd | 232 | |
9fda1a39 SC |
233 | This routine runs through the symbol table and patches up the |
234 | symbols from their internal form into the coff way, calls the | |
9783e04a | 235 | bit twiddlers, and writes out the table to the file. |
6f715d66 | 236 | |
9fda1a39 | 237 | */ |
6f715d66 | 238 | |
9fda1a39 | 239 | /* |
616ebcfd SC |
240 | INTERNAL_DEFINITION |
241 | coff_symbol_type | |
6f715d66 | 242 | |
616ebcfd | 243 | DESCRIPTION |
c188b0be DM |
244 | The hidden information for an <<asymbol>> is described in a |
245 | <<combined_entry_type>>: | |
6f715d66 | 246 | |
616ebcfd | 247 | CODE_FRAGMENT |
e98e6ec1 | 248 | . |
9783e04a | 249 | .typedef struct coff_ptr_struct |
616ebcfd SC |
250 | .{ |
251 | . | |
252 | . {* Remembers the offset from the first symbol in the file for | |
253 | . this symbol. Generated by coff_renumber_symbols. *} | |
254 | .unsigned int offset; | |
255 | . | |
9783e04a DM |
256 | . {* Should the value of this symbol be renumbered. Used for |
257 | . XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. *} | |
258 | .unsigned int fix_value : 1; | |
259 | . | |
616ebcfd SC |
260 | . {* Should the tag field of this symbol be renumbered. |
261 | . Created by coff_pointerize_aux. *} | |
9783e04a | 262 | .unsigned int fix_tag : 1; |
616ebcfd SC |
263 | . |
264 | . {* Should the endidx field of this symbol be renumbered. | |
265 | . Created by coff_pointerize_aux. *} | |
9783e04a DM |
266 | .unsigned int fix_end : 1; |
267 | . | |
268 | . {* Should the x_csect.x_scnlen field be renumbered. | |
0fc9ada9 | 269 | . Created by coff_pointerize_aux. *} |
9783e04a | 270 | .unsigned int fix_scnlen : 1; |
616ebcfd | 271 | . |
49488f2b ILT |
272 | . {* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the |
273 | . index into the line number entries. Set by | |
274 | . coff_slurp_symbol_table. *} | |
275 | .unsigned int fix_line : 1; | |
276 | . | |
616ebcfd SC |
277 | . {* The container for the symbol structure as read and translated |
278 | . from the file. *} | |
279 | . | |
280 | .union { | |
281 | . union internal_auxent auxent; | |
282 | . struct internal_syment syment; | |
283 | . } u; | |
284 | .} combined_entry_type; | |
285 | . | |
286 | . | |
287 | .{* Each canonical asymbol really looks like this: *} | |
288 | . | |
289 | .typedef struct coff_symbol_struct | |
290 | .{ | |
291 | . {* The actual symbol which the rest of BFD works with *} | |
292 | .asymbol symbol; | |
293 | . | |
294 | . {* A pointer to the hidden information for this symbol *} | |
295 | .combined_entry_type *native; | |
296 | . | |
297 | . {* A pointer to the linenumber information for this symbol *} | |
298 | .struct lineno_cache_entry *lineno; | |
299 | . | |
d58b7049 SC |
300 | . {* Have the line numbers been relocated yet ? *} |
301 | .boolean done_lineno; | |
616ebcfd | 302 | .} coff_symbol_type; |
6f715d66 | 303 | |
6f715d66 | 304 | |
0f268757 SC |
305 | */ |
306 | ||
dd984644 | 307 | #ifdef COFF_WITH_PE |
beee31b1 SC |
308 | #include "peicode.h" |
309 | #else | |
310 | #include "coffswap.h" | |
89665c85 SC |
311 | #endif |
312 | ||
e8f3bb64 | 313 | #define STRING_SIZE_SIZE (4) |
46686c78 NC |
314 | |
315 | static long sec_to_styp_flags PARAMS ((const char *, flagword)); | |
316 | static flagword styp_to_sec_flags PARAMS ((bfd *, PTR, const char *)); | |
317 | static boolean coff_bad_format_hook PARAMS ((bfd *, PTR)); | |
318 | static boolean coff_new_section_hook PARAMS ((bfd *, asection *)); | |
319 | static boolean coff_set_arch_mach_hook PARAMS ((bfd *, PTR)); | |
320 | static boolean coff_write_relocs PARAMS ((bfd *, int)); | |
321 | static boolean coff_set_flags | |
322 | PARAMS ((bfd *, unsigned int *, unsigned short *)); | |
323 | static boolean coff_set_arch_mach | |
324 | PARAMS ((bfd *, enum bfd_architecture, unsigned long)); | |
325 | static boolean coff_compute_section_file_positions PARAMS ((bfd *)); | |
326 | static boolean coff_write_object_contents PARAMS ((bfd *)); | |
327 | static boolean coff_set_section_contents | |
328 | PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type)); | |
329 | static PTR buy_and_read PARAMS ((bfd *, file_ptr, int, size_t)); | |
330 | static boolean coff_slurp_line_table PARAMS ((bfd *, asection *)); | |
331 | static boolean coff_slurp_symbol_table PARAMS ((bfd *)); | |
332 | static boolean coff_slurp_reloc_table PARAMS ((bfd *, asection *, asymbol **)); | |
333 | static long coff_canonicalize_reloc | |
334 | PARAMS ((bfd *, asection *, arelent **, asymbol **)); | |
335 | #ifndef coff_mkobject_hook | |
336 | static PTR coff_mkobject_hook PARAMS ((bfd *, PTR, PTR)); | |
337 | #endif | |
0f268757 SC |
338 | \f |
339 | /* void warning(); */ | |
6f715d66 | 340 | |
cbdc7909 JG |
341 | /* |
342 | * Return a word with STYP_* (scnhdr.s_flags) flags set to represent the | |
41f50af0 SC |
343 | * incoming SEC_* flags. The inverse of this function is styp_to_sec_flags(). |
344 | * NOTE: If you add to/change this routine, you should mirror the changes | |
345 | * in styp_to_sec_flags(). | |
346 | */ | |
cbdc7909 | 347 | static long |
fbb61b50 SC |
348 | sec_to_styp_flags (sec_name, sec_flags) |
349 | CONST char *sec_name; | |
350 | flagword sec_flags; | |
41f50af0 | 351 | { |
47cf4997 SC |
352 | long styp_flags = 0; |
353 | ||
9783e04a | 354 | if (!strcmp (sec_name, _TEXT)) |
fbb61b50 SC |
355 | { |
356 | styp_flags = STYP_TEXT; | |
357 | } | |
9783e04a | 358 | else if (!strcmp (sec_name, _DATA)) |
fbb61b50 SC |
359 | { |
360 | styp_flags = STYP_DATA; | |
fbb61b50 | 361 | } |
9783e04a | 362 | else if (!strcmp (sec_name, _BSS)) |
fbb61b50 SC |
363 | { |
364 | styp_flags = STYP_BSS; | |
8c4a1ace | 365 | #ifdef _COMMENT |
9783e04a DM |
366 | } |
367 | else if (!strcmp (sec_name, _COMMENT)) | |
fbb61b50 SC |
368 | { |
369 | styp_flags = STYP_INFO; | |
9783e04a | 370 | #endif /* _COMMENT */ |
b26059aa | 371 | #ifdef _LIB |
fbb61b50 | 372 | } |
9783e04a | 373 | else if (!strcmp (sec_name, _LIB)) |
fbb61b50 SC |
374 | { |
375 | styp_flags = STYP_LIB; | |
9783e04a | 376 | #endif /* _LIB */ |
35d835c4 | 377 | #ifdef _LIT |
fbb61b50 | 378 | } |
35d835c4 | 379 | else if (!strcmp (sec_name, _LIT)) |
fbb61b50 SC |
380 | { |
381 | styp_flags = STYP_LIT; | |
35d835c4 | 382 | #endif /* _LIT */ |
fbb61b50 | 383 | } |
9783e04a | 384 | else if (!strcmp (sec_name, ".debug")) |
fbb61b50 | 385 | { |
9783e04a DM |
386 | #ifdef STYP_DEBUG |
387 | styp_flags = STYP_DEBUG; | |
388 | #else | |
fbb61b50 | 389 | styp_flags = STYP_INFO; |
9783e04a | 390 | #endif |
fbb61b50 | 391 | } |
89665c85 | 392 | else if (!strncmp (sec_name, ".stab", 5)) |
fbb61b50 SC |
393 | { |
394 | styp_flags = STYP_INFO; | |
395 | } | |
3ea928f5 SC |
396 | #ifdef COFF_WITH_PE |
397 | else if (!strcmp (sec_name, ".edata")) | |
398 | { | |
399 | styp_flags = STYP_DATA; | |
400 | } | |
5f710a3a ILT |
401 | #endif |
402 | #ifdef RS6000COFF_C | |
403 | else if (!strcmp (sec_name, _PAD)) | |
404 | { | |
405 | styp_flags = STYP_PAD; | |
406 | } | |
407 | else if (!strcmp (sec_name, _LOADER)) | |
408 | { | |
409 | styp_flags = STYP_LOADER; | |
410 | } | |
3ea928f5 | 411 | #endif |
47cf4997 | 412 | /* Try and figure out what it should be */ |
9783e04a | 413 | else if (sec_flags & SEC_CODE) |
fbb61b50 SC |
414 | { |
415 | styp_flags = STYP_TEXT; | |
416 | } | |
9783e04a | 417 | else if (sec_flags & SEC_DATA) |
fbb61b50 SC |
418 | { |
419 | styp_flags = STYP_DATA; | |
420 | } | |
47cf4997 | 421 | else if (sec_flags & SEC_READONLY) |
fbb61b50 | 422 | { |
47cf4997 | 423 | #ifdef STYP_LIT /* 29k readonly text/data section */ |
fbb61b50 | 424 | styp_flags = STYP_LIT; |
41f50af0 | 425 | #else |
fbb61b50 | 426 | styp_flags = STYP_TEXT; |
9783e04a | 427 | #endif /* STYP_LIT */ |
fbb61b50 | 428 | } |
47cf4997 | 429 | else if (sec_flags & SEC_LOAD) |
fbb61b50 SC |
430 | { |
431 | styp_flags = STYP_TEXT; | |
432 | } | |
433 | else if (sec_flags & SEC_ALLOC) | |
434 | { | |
435 | styp_flags = STYP_BSS; | |
436 | } | |
41f50af0 | 437 | |
b26059aa | 438 | #ifdef STYP_NOLOAD |
c16313f0 | 439 | if ((sec_flags & (SEC_NEVER_LOAD | SEC_COFF_SHARED_LIBRARY)) != 0) |
9783e04a | 440 | styp_flags |= STYP_NOLOAD; |
b26059aa ILT |
441 | #endif |
442 | ||
5a28331f ILT |
443 | #ifdef COFF_WITH_PE |
444 | if (sec_flags & SEC_LINK_ONCE) | |
445 | styp_flags |= IMAGE_SCN_LNK_COMDAT; | |
446 | #endif | |
447 | ||
9783e04a | 448 | return (styp_flags); |
41f50af0 | 449 | } |
cbdc7909 | 450 | /* |
41f50af0 | 451 | * Return a word with SEC_* flags set to represent the incoming |
cbdc7909 JG |
452 | * STYP_* flags (from scnhdr.s_flags). The inverse of this |
453 | * function is sec_to_styp_flags(). | |
41f50af0 SC |
454 | * NOTE: If you add to/change this routine, you should mirror the changes |
455 | * in sec_to_styp_flags(). | |
456 | */ | |
cbdc7909 | 457 | static flagword |
e8fbe6d9 ILT |
458 | styp_to_sec_flags (abfd, hdr, name) |
459 | bfd *abfd; | |
57a1867e | 460 | PTR hdr; |
e8fbe6d9 | 461 | const char *name; |
41f50af0 | 462 | { |
075caafd ILT |
463 | struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr; |
464 | long styp_flags = internal_s->s_flags; | |
9783e04a | 465 | flagword sec_flags = 0; |
41f50af0 | 466 | |
b26059aa ILT |
467 | #ifdef STYP_NOLOAD |
468 | if (styp_flags & STYP_NOLOAD) | |
9783e04a DM |
469 | { |
470 | sec_flags |= SEC_NEVER_LOAD; | |
471 | } | |
b26059aa ILT |
472 | #endif /* STYP_NOLOAD */ |
473 | ||
8f718ed3 ILT |
474 | /* For 386 COFF, at least, an unloadable text or data section is |
475 | actually a shared library section. */ | |
476 | if (styp_flags & STYP_TEXT) | |
9783e04a DM |
477 | { |
478 | if (sec_flags & SEC_NEVER_LOAD) | |
c16313f0 | 479 | sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY; |
9783e04a DM |
480 | else |
481 | sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
482 | } | |
8f718ed3 | 483 | else if (styp_flags & STYP_DATA) |
9783e04a DM |
484 | { |
485 | if (sec_flags & SEC_NEVER_LOAD) | |
c16313f0 | 486 | sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY; |
9783e04a DM |
487 | else |
488 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
489 | } | |
490 | else if (styp_flags & STYP_BSS) | |
491 | { | |
35d835c4 | 492 | #ifdef BSS_NOLOAD_IS_SHARED_LIBRARY |
9783e04a | 493 | if (sec_flags & SEC_NEVER_LOAD) |
c16313f0 | 494 | sec_flags |= SEC_ALLOC | SEC_COFF_SHARED_LIBRARY; |
9783e04a | 495 | else |
35d835c4 | 496 | #endif |
9783e04a DM |
497 | sec_flags |= SEC_ALLOC; |
498 | } | |
499 | else if (styp_flags & STYP_INFO) | |
fbb61b50 | 500 | { |
b5b056fc KR |
501 | /* We mark these as SEC_DEBUGGING, but only if COFF_PAGE_SIZE is |
502 | defined. coff_compute_section_file_positions uses | |
503 | COFF_PAGE_SIZE to ensure that the low order bits of the | |
504 | section VMA and the file offset match. If we don't know | |
505 | COFF_PAGE_SIZE, we can't ensure the correct correspondence, | |
506 | and demand page loading of the file will fail. */ | |
803fea79 | 507 | #if defined (COFF_PAGE_SIZE) && !defined (COFF_ALIGN_IN_S_FLAGS) |
b5b056fc KR |
508 | sec_flags |= SEC_DEBUGGING; |
509 | #endif | |
fbb61b50 | 510 | } |
28a0c103 ILT |
511 | else if (styp_flags & STYP_PAD) |
512 | { | |
513 | sec_flags = 0; | |
514 | } | |
e8fbe6d9 ILT |
515 | else if (strcmp (name, _TEXT) == 0) |
516 | { | |
517 | if (sec_flags & SEC_NEVER_LOAD) | |
518 | sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY; | |
519 | else | |
520 | sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
521 | } | |
1af85fbb | 522 | else if (strcmp (name, _DATA) == 0) |
e8fbe6d9 ILT |
523 | { |
524 | if (sec_flags & SEC_NEVER_LOAD) | |
525 | sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY; | |
526 | else | |
527 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
528 | } | |
529 | else if (strcmp (name, _BSS) == 0) | |
530 | { | |
531 | #ifdef BSS_NOLOAD_IS_SHARED_LIBRARY | |
532 | if (sec_flags & SEC_NEVER_LOAD) | |
533 | sec_flags |= SEC_ALLOC | SEC_COFF_SHARED_LIBRARY; | |
534 | else | |
535 | #endif | |
536 | sec_flags |= SEC_ALLOC; | |
537 | } | |
538 | else if (strcmp (name, ".debug") == 0 | |
539 | #ifdef _COMMENT | |
540 | || strcmp (name, _COMMENT) == 0 | |
541 | #endif | |
89665c85 | 542 | || strncmp (name, ".stab", 5) == 0) |
e8fbe6d9 ILT |
543 | { |
544 | #ifdef COFF_PAGE_SIZE | |
545 | sec_flags |= SEC_DEBUGGING; | |
546 | #endif | |
547 | } | |
548 | #ifdef _LIB | |
549 | else if (strcmp (name, _LIB) == 0) | |
550 | ; | |
551 | #endif | |
552 | #ifdef _LIT | |
553 | else if (strcmp (name, _LIT) == 0) | |
554 | { | |
555 | sec_flags = SEC_LOAD | SEC_ALLOC | SEC_READONLY; | |
556 | } | |
557 | #endif | |
8070f29d | 558 | else |
9783e04a DM |
559 | { |
560 | sec_flags |= SEC_ALLOC | SEC_LOAD; | |
561 | } | |
b26059aa | 562 | |
8070f29d KR |
563 | #ifdef STYP_LIT /* A29k readonly text/data section type */ |
564 | if ((styp_flags & STYP_LIT) == STYP_LIT) | |
9783e04a DM |
565 | { |
566 | sec_flags = (SEC_LOAD | SEC_ALLOC | SEC_READONLY); | |
567 | } | |
568 | #endif /* STYP_LIT */ | |
8070f29d KR |
569 | #ifdef STYP_OTHER_LOAD /* Other loaded sections */ |
570 | if (styp_flags & STYP_OTHER_LOAD) | |
9783e04a DM |
571 | { |
572 | sec_flags = (SEC_LOAD | SEC_ALLOC); | |
573 | } | |
574 | #endif /* STYP_SDATA */ | |
41f50af0 | 575 | |
5a28331f ILT |
576 | #ifdef COFF_WITH_PE |
577 | if (styp_flags & IMAGE_SCN_LNK_REMOVE) | |
578 | sec_flags |= SEC_EXCLUDE; | |
579 | ||
580 | if (styp_flags & IMAGE_SCN_LNK_COMDAT) | |
581 | { | |
582 | sec_flags |= SEC_LINK_ONCE; | |
583 | ||
584 | /* Unfortunately, the PE format stores essential information in | |
585 | the symbol table, of all places. We need to extract that | |
586 | information now, so that objdump and the linker will know how | |
587 | to handle the section without worrying about the symbols. We | |
588 | can't call slurp_symtab, because the linker doesn't want the | |
589 | swapped symbols. */ | |
590 | ||
591 | if (_bfd_coff_get_external_symbols (abfd)) | |
592 | { | |
593 | bfd_byte *esym, *esymend; | |
594 | ||
595 | esym = (bfd_byte *) obj_coff_external_syms (abfd); | |
596 | esymend = esym + obj_raw_syment_count (abfd) * SYMESZ; | |
597 | ||
598 | while (esym < esymend) | |
599 | { | |
600 | struct internal_syment isym; | |
601 | ||
602 | bfd_coff_swap_sym_in (abfd, (PTR) esym, (PTR) &isym); | |
603 | ||
604 | if (sizeof (internal_s->s_name) > SYMNMLEN) | |
605 | { | |
606 | /* This case implies that the matching symbol name | |
607 | will be in the string table. */ | |
608 | abort (); | |
609 | } | |
610 | ||
611 | if (isym.n_sclass == C_STAT | |
612 | && isym.n_type == T_NULL | |
9aac8e83 | 613 | && isym.n_numaux == 1) |
5a28331f ILT |
614 | { |
615 | char buf[SYMNMLEN + 1]; | |
9aac8e83 | 616 | const char *symname; |
5a28331f | 617 | |
9aac8e83 ILT |
618 | symname = _bfd_coff_internal_syment_name (abfd, &isym, buf); |
619 | if (symname == NULL) | |
620 | abort (); | |
5a28331f | 621 | |
9aac8e83 | 622 | if (strcmp (name, symname) == 0) |
5a28331f ILT |
623 | { |
624 | union internal_auxent aux; | |
625 | ||
626 | /* This is the section symbol. */ | |
627 | ||
628 | bfd_coff_swap_aux_in (abfd, (PTR) (esym + SYMESZ), | |
629 | isym.n_type, isym.n_sclass, | |
630 | 0, isym.n_numaux, (PTR) &aux); | |
631 | ||
632 | switch (aux.x_scn.x_comdat) | |
633 | { | |
634 | case IMAGE_COMDAT_SELECT_NODUPLICATES: | |
635 | sec_flags |= SEC_LINK_DUPLICATES_ONE_ONLY; | |
636 | break; | |
637 | ||
638 | default: | |
639 | case IMAGE_COMDAT_SELECT_ANY: | |
640 | sec_flags |= SEC_LINK_DUPLICATES_DISCARD; | |
641 | break; | |
642 | ||
643 | case IMAGE_COMDAT_SELECT_SAME_SIZE: | |
644 | sec_flags |= SEC_LINK_DUPLICATES_SAME_SIZE; | |
645 | break; | |
646 | ||
647 | case IMAGE_COMDAT_SELECT_EXACT_MATCH: | |
648 | sec_flags |= SEC_LINK_DUPLICATES_SAME_CONTENTS; | |
649 | break; | |
650 | ||
651 | case IMAGE_COMDAT_SELECT_ASSOCIATIVE: | |
652 | /* FIXME: This is not currently implemented. */ | |
653 | sec_flags |= SEC_LINK_DUPLICATES_DISCARD; | |
654 | break; | |
655 | } | |
656 | ||
657 | break; | |
658 | } | |
659 | } | |
660 | ||
661 | esym += (isym.n_numaux + 1) * SYMESZ; | |
662 | } | |
663 | } | |
664 | } | |
665 | #endif | |
666 | ||
9783e04a | 667 | return (sec_flags); |
41f50af0 | 668 | } |
0f268757 | 669 | |
f135c692 | 670 | #define get_index(symbol) ((symbol)->udata.i) |
0f268757 | 671 | |
07de8e96 KR |
672 | /* |
673 | INTERNAL_DEFINITION | |
674 | bfd_coff_backend_data | |
675 | ||
676 | CODE_FRAGMENT | |
677 | ||
c188b0be | 678 | Special entry points for gdb to swap in coff symbol table parts: |
9783e04a | 679 | .typedef struct |
60ac749c | 680 | .{ |
07de8e96 | 681 | . void (*_bfd_coff_swap_aux_in) PARAMS (( |
330595d0 | 682 | . bfd *abfd, |
07de8e96 KR |
683 | . PTR ext, |
684 | . int type, | |
330595d0 ILT |
685 | . int class, |
686 | . int indaux, | |
687 | . int numaux, | |
07de8e96 KR |
688 | . PTR in)); |
689 | . | |
690 | . void (*_bfd_coff_swap_sym_in) PARAMS (( | |
691 | . bfd *abfd , | |
692 | . PTR ext, | |
693 | . PTR in)); | |
694 | . | |
695 | . void (*_bfd_coff_swap_lineno_in) PARAMS (( | |
696 | . bfd *abfd, | |
697 | . PTR ext, | |
698 | . PTR in)); | |
699 | . | |
700 | ||
c188b0be | 701 | Special entry points for gas to swap out coff parts: |
07de8e96 KR |
702 | |
703 | . unsigned int (*_bfd_coff_swap_aux_out) PARAMS (( | |
704 | . bfd *abfd, | |
705 | . PTR in, | |
706 | . int type, | |
707 | . int class, | |
330595d0 ILT |
708 | . int indaux, |
709 | . int numaux, | |
07de8e96 KR |
710 | . PTR ext)); |
711 | . | |
712 | . unsigned int (*_bfd_coff_swap_sym_out) PARAMS (( | |
713 | . bfd *abfd, | |
714 | . PTR in, | |
715 | . PTR ext)); | |
716 | . | |
717 | . unsigned int (*_bfd_coff_swap_lineno_out) PARAMS (( | |
718 | . bfd *abfd, | |
719 | . PTR in, | |
720 | . PTR ext)); | |
721 | . | |
722 | . unsigned int (*_bfd_coff_swap_reloc_out) PARAMS (( | |
723 | . bfd *abfd, | |
724 | . PTR src, | |
725 | . PTR dst)); | |
726 | . | |
727 | . unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS (( | |
728 | . bfd *abfd, | |
729 | . PTR in, | |
730 | . PTR out)); | |
731 | . | |
732 | . unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS (( | |
733 | . bfd *abfd, | |
734 | . PTR in, | |
735 | . PTR out)); | |
736 | . | |
737 | . unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS (( | |
738 | . bfd *abfd, | |
739 | . PTR in, | |
740 | . PTR out)); | |
741 | . | |
075caafd ILT |
742 | |
743 | Special entry points for generic COFF routines to call target | |
c188b0be | 744 | dependent COFF routines: |
075caafd ILT |
745 | |
746 | . unsigned int _bfd_filhsz; | |
747 | . unsigned int _bfd_aoutsz; | |
748 | . unsigned int _bfd_scnhsz; | |
749 | . unsigned int _bfd_symesz; | |
750 | . unsigned int _bfd_auxesz; | |
69645d10 | 751 | . unsigned int _bfd_relsz; |
075caafd ILT |
752 | . unsigned int _bfd_linesz; |
753 | . boolean _bfd_coff_long_filenames; | |
e8f3bb64 | 754 | . boolean _bfd_coff_long_section_names; |
46686c78 | 755 | . unsigned int _bfd_coff_default_section_alignment_power; |
075caafd ILT |
756 | . void (*_bfd_coff_swap_filehdr_in) PARAMS (( |
757 | . bfd *abfd, | |
758 | . PTR ext, | |
759 | . PTR in)); | |
760 | . void (*_bfd_coff_swap_aouthdr_in) PARAMS (( | |
761 | . bfd *abfd, | |
762 | . PTR ext, | |
763 | . PTR in)); | |
764 | . void (*_bfd_coff_swap_scnhdr_in) PARAMS (( | |
765 | . bfd *abfd, | |
766 | . PTR ext, | |
767 | . PTR in)); | |
69645d10 ILT |
768 | . void (*_bfd_coff_swap_reloc_in) PARAMS (( |
769 | . bfd *abfd, | |
770 | . PTR ext, | |
771 | . PTR in)); | |
075caafd ILT |
772 | . boolean (*_bfd_coff_bad_format_hook) PARAMS (( |
773 | . bfd *abfd, | |
774 | . PTR internal_filehdr)); | |
775 | . boolean (*_bfd_coff_set_arch_mach_hook) PARAMS (( | |
776 | . bfd *abfd, | |
777 | . PTR internal_filehdr)); | |
778 | . PTR (*_bfd_coff_mkobject_hook) PARAMS (( | |
779 | . bfd *abfd, | |
27f524a3 ILT |
780 | . PTR internal_filehdr, |
781 | . PTR internal_aouthdr)); | |
075caafd ILT |
782 | . flagword (*_bfd_styp_to_sec_flags_hook) PARAMS (( |
783 | . bfd *abfd, | |
e8fbe6d9 ILT |
784 | . PTR internal_scnhdr, |
785 | . const char *name)); | |
075caafd ILT |
786 | . void (*_bfd_set_alignment_hook) PARAMS (( |
787 | . bfd *abfd, | |
788 | . asection *sec, | |
789 | . PTR internal_scnhdr)); | |
790 | . boolean (*_bfd_coff_slurp_symbol_table) PARAMS (( | |
791 | . bfd *abfd)); | |
792 | . boolean (*_bfd_coff_symname_in_debug) PARAMS (( | |
793 | . bfd *abfd, | |
794 | . struct internal_syment *sym)); | |
c80cc833 ILT |
795 | . boolean (*_bfd_coff_pointerize_aux_hook) PARAMS (( |
796 | . bfd *abfd, | |
797 | . combined_entry_type *table_base, | |
798 | . combined_entry_type *symbol, | |
799 | . unsigned int indaux, | |
800 | . combined_entry_type *aux)); | |
0fc9ada9 ILT |
801 | . boolean (*_bfd_coff_print_aux) PARAMS (( |
802 | . bfd *abfd, | |
803 | . FILE *file, | |
804 | . combined_entry_type *table_base, | |
805 | . combined_entry_type *symbol, | |
806 | . combined_entry_type *aux, | |
807 | . unsigned int indaux)); | |
075caafd ILT |
808 | . void (*_bfd_coff_reloc16_extra_cases) PARAMS (( |
809 | . bfd *abfd, | |
330595d0 ILT |
810 | . struct bfd_link_info *link_info, |
811 | . struct bfd_link_order *link_order, | |
075caafd ILT |
812 | . arelent *reloc, |
813 | . bfd_byte *data, | |
814 | . unsigned int *src_ptr, | |
815 | . unsigned int *dst_ptr)); | |
fbb61b50 | 816 | . int (*_bfd_coff_reloc16_estimate) PARAMS (( |
09a28207 | 817 | . bfd *abfd, |
fbb61b50 | 818 | . asection *input_section, |
fbb61b50 | 819 | . arelent *r, |
330595d0 ILT |
820 | . unsigned int shrink, |
821 | . struct bfd_link_info *link_info)); | |
69645d10 ILT |
822 | . boolean (*_bfd_coff_sym_is_global) PARAMS (( |
823 | . bfd *abfd, | |
824 | . struct internal_syment *)); | |
50ede03d | 825 | . boolean (*_bfd_coff_compute_section_file_positions) PARAMS (( |
69645d10 | 826 | . bfd *abfd)); |
a208a70f ILT |
827 | . boolean (*_bfd_coff_start_final_link) PARAMS (( |
828 | . bfd *output_bfd, | |
829 | . struct bfd_link_info *info)); | |
69645d10 ILT |
830 | . boolean (*_bfd_coff_relocate_section) PARAMS (( |
831 | . bfd *output_bfd, | |
832 | . struct bfd_link_info *info, | |
833 | . bfd *input_bfd, | |
834 | . asection *input_section, | |
835 | . bfd_byte *contents, | |
836 | . struct internal_reloc *relocs, | |
837 | . struct internal_syment *syms, | |
838 | . asection **sections)); | |
f135c692 ILT |
839 | . reloc_howto_type *(*_bfd_coff_rtype_to_howto) PARAMS (( |
840 | . bfd *abfd, | |
841 | . asection *sec, | |
842 | . struct internal_reloc *rel, | |
843 | . struct coff_link_hash_entry *h, | |
844 | . struct internal_syment *sym, | |
845 | . bfd_vma *addendp)); | |
846 | . boolean (*_bfd_coff_adjust_symndx) PARAMS (( | |
847 | . bfd *obfd, | |
848 | . struct bfd_link_info *info, | |
849 | . bfd *ibfd, | |
850 | . asection *sec, | |
851 | . struct internal_reloc *reloc, | |
852 | . boolean *adjustedp)); | |
d19df9b5 ILT |
853 | . boolean (*_bfd_coff_link_add_one_symbol) PARAMS (( |
854 | . struct bfd_link_info *info, | |
855 | . bfd *abfd, | |
856 | . const char *name, | |
857 | . flagword flags, | |
858 | . asection *section, | |
859 | . bfd_vma value, | |
860 | . const char *string, | |
861 | . boolean copy, | |
862 | . boolean collect, | |
863 | . struct bfd_link_hash_entry **hashp)); | |
fbb61b50 | 864 | . |
86274b9b ILT |
865 | . boolean (*_bfd_coff_link_output_has_begun) PARAMS (( |
866 | . bfd * abfd )); | |
867 | . boolean (*_bfd_coff_final_link_postscript) PARAMS (( | |
868 | . bfd * abfd, | |
869 | . struct coff_final_link_info * pfinfo)); | |
870 | . | |
07de8e96 KR |
871 | .} bfd_coff_backend_data; |
872 | . | |
07de8e96 KR |
873 | .#define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) |
874 | . | |
330595d0 ILT |
875 | .#define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ |
876 | . ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) | |
07de8e96 KR |
877 | . |
878 | .#define bfd_coff_swap_sym_in(a,e,i) \ | |
879 | . ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) | |
880 | . | |
881 | .#define bfd_coff_swap_lineno_in(a,e,i) \ | |
882 | . ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) | |
883 | . | |
884 | .#define bfd_coff_swap_reloc_out(abfd, i, o) \ | |
885 | . ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) | |
886 | . | |
887 | .#define bfd_coff_swap_lineno_out(abfd, i, o) \ | |
888 | . ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) | |
889 | . | |
330595d0 ILT |
890 | .#define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ |
891 | . ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) | |
07de8e96 KR |
892 | . |
893 | .#define bfd_coff_swap_sym_out(abfd, i,o) \ | |
894 | . ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) | |
895 | . | |
896 | .#define bfd_coff_swap_scnhdr_out(abfd, i,o) \ | |
897 | . ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) | |
898 | . | |
899 | .#define bfd_coff_swap_filehdr_out(abfd, i,o) \ | |
900 | . ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) | |
901 | . | |
902 | .#define bfd_coff_swap_aouthdr_out(abfd, i,o) \ | |
903 | . ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) | |
904 | . | |
075caafd ILT |
905 | .#define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) |
906 | .#define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) | |
907 | .#define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) | |
908 | .#define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) | |
909 | .#define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) | |
69645d10 | 910 | .#define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) |
075caafd ILT |
911 | .#define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) |
912 | .#define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames) | |
e8f3bb64 ILT |
913 | .#define bfd_coff_long_section_names(abfd) \ |
914 | . (coff_backend_info (abfd)->_bfd_coff_long_section_names) | |
46686c78 NC |
915 | .#define bfd_coff_default_section_alignment_power(abfd) \ |
916 | . (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) | |
075caafd ILT |
917 | .#define bfd_coff_swap_filehdr_in(abfd, i,o) \ |
918 | . ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) | |
919 | . | |
920 | .#define bfd_coff_swap_aouthdr_in(abfd, i,o) \ | |
921 | . ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) | |
922 | . | |
923 | .#define bfd_coff_swap_scnhdr_in(abfd, i,o) \ | |
924 | . ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) | |
925 | . | |
69645d10 ILT |
926 | .#define bfd_coff_swap_reloc_in(abfd, i, o) \ |
927 | . ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) | |
928 | . | |
075caafd ILT |
929 | .#define bfd_coff_bad_format_hook(abfd, filehdr) \ |
930 | . ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) | |
931 | . | |
932 | .#define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ | |
933 | . ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) | |
27f524a3 ILT |
934 | .#define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ |
935 | . ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr)) | |
075caafd | 936 | . |
e8fbe6d9 ILT |
937 | .#define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name)\ |
938 | . ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr, name)) | |
075caafd | 939 | . |
075caafd ILT |
940 | .#define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ |
941 | . ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) | |
942 | . | |
943 | .#define bfd_coff_slurp_symbol_table(abfd)\ | |
944 | . ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) | |
945 | . | |
946 | .#define bfd_coff_symname_in_debug(abfd, sym)\ | |
947 | . ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) | |
948 | . | |
0fc9ada9 ILT |
949 | .#define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ |
950 | . ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ | |
951 | . (abfd, file, base, symbol, aux, indaux)) | |
952 | . | |
330595d0 | 953 | .#define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)\ |
075caafd | 954 | . ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ |
330595d0 | 955 | . (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) |
fbb61b50 | 956 | . |
09a28207 | 957 | .#define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ |
fbb61b50 | 958 | . ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ |
09a28207 | 959 | . (abfd, section, reloc, shrink, link_info)) |
9783e04a | 960 | . |
69645d10 ILT |
961 | .#define bfd_coff_sym_is_global(abfd, sym)\ |
962 | . ((coff_backend_info (abfd)->_bfd_coff_sym_is_global)\ | |
963 | . (abfd, sym)) | |
964 | . | |
965 | .#define bfd_coff_compute_section_file_positions(abfd)\ | |
966 | . ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ | |
967 | . (abfd)) | |
968 | . | |
a208a70f ILT |
969 | .#define bfd_coff_start_final_link(obfd, info)\ |
970 | . ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ | |
971 | . (obfd, info)) | |
69645d10 ILT |
972 | .#define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ |
973 | . ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ | |
974 | . (obfd, info, ibfd, o, con, rel, isyms, secs)) | |
f135c692 ILT |
975 | .#define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ |
976 | . ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ | |
977 | . (abfd, sec, rel, h, sym, addendp)) | |
978 | .#define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ | |
979 | . ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ | |
980 | . (obfd, info, ibfd, sec, rel, adjustedp)) | |
cbe75cb6 | 981 | .#define bfd_coff_link_add_one_symbol(info,abfd,name,flags,section,value,string,cp,coll,hashp)\ |
d19df9b5 ILT |
982 | . ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ |
983 | . (info, abfd, name, flags, section, value, string, cp, coll, hashp)) | |
69645d10 | 984 | . |
86274b9b ILT |
985 | .#define bfd_coff_link_output_has_begun(a) \ |
986 | . ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a)) | |
987 | .#define bfd_coff_final_link_postscript(a,p) \ | |
988 | . ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a,p)) | |
989 | . | |
07de8e96 | 990 | */ |
0f268757 | 991 | |
075caafd | 992 | /* See whether the magic number matches. */ |
7a8b18b6 | 993 | |
075caafd | 994 | static boolean |
57a1867e DM |
995 | coff_bad_format_hook (abfd, filehdr) |
996 | bfd * abfd; | |
997 | PTR filehdr; | |
0f268757 | 998 | { |
075caafd | 999 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; |
0f268757 | 1000 | |
075caafd ILT |
1001 | if (BADMAG (*internal_f)) |
1002 | return false; | |
0f268757 | 1003 | |
075caafd ILT |
1004 | /* if the optional header is NULL or not the correct size then |
1005 | quit; the only difference I can see between m88k dgux headers (MC88DMAGIC) | |
1006 | and Intel 960 readwrite headers (I960WRMAGIC) is that the | |
1007 | optional header is of a different size. | |
cbdc7909 | 1008 | |
075caafd ILT |
1009 | But the mips keeps extra stuff in it's opthdr, so dont check |
1010 | when doing that | |
1011 | */ | |
0f268757 | 1012 | |
075caafd ILT |
1013 | #if defined(M88) || defined(I960) |
1014 | if (internal_f->f_opthdr != 0 && AOUTSZ != internal_f->f_opthdr) | |
1015 | return false; | |
0f268757 | 1016 | #endif |
0f268757 | 1017 | |
075caafd | 1018 | return true; |
0f268757 SC |
1019 | } |
1020 | ||
0f268757 SC |
1021 | /* |
1022 | initialize a section structure with information peculiar to this | |
1023 | particular implementation of coff | |
1024 | */ | |
1025 | ||
075caafd | 1026 | static boolean |
57a1867e DM |
1027 | coff_new_section_hook (abfd, section) |
1028 | bfd * abfd; | |
1029 | asection * section; | |
0f268757 | 1030 | { |
f135c692 ILT |
1031 | section->alignment_power = COFF_DEFAULT_SECTION_ALIGNMENT_POWER; |
1032 | ||
5f710a3a ILT |
1033 | #ifdef RS6000COFF_C |
1034 | if (xcoff_data (abfd)->text_align_power != 0 | |
1035 | && strcmp (bfd_get_section_name (abfd, section), ".text") == 0) | |
1036 | section->alignment_power = xcoff_data (abfd)->text_align_power; | |
1037 | if (xcoff_data (abfd)->data_align_power != 0 | |
1038 | && strcmp (bfd_get_section_name (abfd, section), ".data") == 0) | |
1039 | section->alignment_power = xcoff_data (abfd)->data_align_power; | |
1040 | #endif | |
1041 | ||
8070f29d KR |
1042 | /* Allocate aux records for section symbols, to store size and |
1043 | related info. | |
1044 | ||
1d8eda7a DE |
1045 | @@ The 10 is a guess at a plausible maximum number of aux entries |
1046 | (but shouldn't be a constant). */ | |
8070f29d KR |
1047 | coffsymbol (section->symbol)->native = |
1048 | (combined_entry_type *) bfd_zalloc (abfd, | |
1049 | sizeof (combined_entry_type) * 10); | |
c16313f0 | 1050 | |
f135c692 ILT |
1051 | /* The .stab section must be aligned to 2**2 at most, because |
1052 | otherwise there may be gaps in the section which gdb will not | |
1053 | know how to interpret. Examining the section name is a hack, but | |
850985ee ILT |
1054 | that is also how gdb locates the section. |
1055 | We need to handle the .ctors and .dtors sections similarly, to | |
1056 | avoid introducing null words in the tables. */ | |
f135c692 | 1057 | if (COFF_DEFAULT_SECTION_ALIGNMENT_POWER > 2 |
850985ee ILT |
1058 | && (strncmp (section->name, ".stab", 5) == 0 |
1059 | || strcmp (section->name, ".ctors") == 0 | |
1060 | || strcmp (section->name, ".dtors") == 0)) | |
f135c692 | 1061 | section->alignment_power = 2; |
c16313f0 | 1062 | |
4a3d3b42 ILT |
1063 | /* Similarly, the .stabstr section must be aligned to 2**0 at most. */ |
1064 | if (COFF_DEFAULT_SECTION_ALIGNMENT_POWER > 0 | |
1065 | && strncmp (section->name, ".stabstr", 8) == 0) | |
1066 | section->alignment_power = 0; | |
1067 | ||
0f268757 SC |
1068 | return true; |
1069 | } | |
1070 | ||
c4188c2a | 1071 | #ifdef COFF_ALIGN_IN_SECTION_HEADER |
e98e6ec1 | 1072 | |
075caafd ILT |
1073 | /* Set the alignment of a BFD section. */ |
1074 | ||
46686c78 NC |
1075 | static void coff_set_alignment_hook PARAMS ((bfd *, asection *, PTR)); |
1076 | ||
075caafd | 1077 | static void |
57a1867e DM |
1078 | coff_set_alignment_hook (abfd, section, scnhdr) |
1079 | bfd * abfd; | |
1080 | asection * section; | |
1081 | PTR scnhdr; | |
e98e6ec1 | 1082 | { |
075caafd ILT |
1083 | struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr; |
1084 | unsigned int i; | |
1085 | ||
c4188c2a FF |
1086 | #ifdef I960 |
1087 | /* Extract ALIGN from 2**ALIGN stored in section header */ | |
075caafd ILT |
1088 | for (i = 0; i < 32; i++) |
1089 | if ((1 << i) >= hdr->s_align) | |
1090 | break; | |
c4188c2a FF |
1091 | #endif |
1092 | /* start-sanitize-tic80 */ | |
1093 | #ifdef TIC80COFF | |
1094 | /* TI tools hijack bits 8-11 for the alignment */ | |
1095 | i = (hdr->s_flags >> 8) & 0xF ; | |
1096 | #endif | |
1097 | /* end-sanitize-tic80 */ | |
075caafd | 1098 | section->alignment_power = i; |
e98e6ec1 SC |
1099 | } |
1100 | ||
c4188c2a | 1101 | #else /* ! COFF_ALIGN_IN_SECTION_HEADER */ |
c769947b | 1102 | #ifdef COFF_WITH_PE |
d6f41a7d KK |
1103 | |
1104 | /* a couple of macros to help setting the alignment power field */ | |
1105 | #define ALIGN_SET(field,x,y) \ | |
1106 | if (((field) & IMAGE_SCN_ALIGN_64BYTES) == x )\ | |
1107 | {\ | |
1108 | section->alignment_power = y;\ | |
1109 | } | |
1110 | ||
1111 | #define ELIFALIGN_SET(field,x,y) \ | |
1112 | else if (( (field) & IMAGE_SCN_ALIGN_64BYTES) == x ) \ | |
1113 | {\ | |
1114 | section->alignment_power = y;\ | |
1115 | } | |
1116 | ||
46686c78 NC |
1117 | static void coff_set_alignment_hook PARAMS ((bfd *, asection *, PTR)); |
1118 | ||
d6f41a7d KK |
1119 | static void |
1120 | coff_set_alignment_hook (abfd, section, scnhdr) | |
1121 | bfd * abfd; | |
1122 | asection * section; | |
1123 | PTR scnhdr; | |
1124 | { | |
1125 | struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr; | |
1126 | ||
1127 | ALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_64BYTES, 6) | |
1128 | ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_32BYTES, 5) | |
1129 | ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_16BYTES, 4) | |
1130 | ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_8BYTES, 3) | |
1131 | ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_4BYTES, 2) | |
1132 | ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_2BYTES, 1) | |
1133 | ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_1BYTES, 0) | |
59066248 KK |
1134 | |
1135 | #ifdef POWERPC_LE_PE | |
1136 | if (strcmp (section->name, ".idata$2") == 0) | |
1137 | { | |
59066248 KK |
1138 | section->alignment_power = 0; |
1139 | } | |
1140 | else if (strcmp (section->name, ".idata$3") == 0) | |
1141 | { | |
59066248 KK |
1142 | section->alignment_power = 0; |
1143 | } | |
1144 | else if (strcmp (section->name, ".idata$4") == 0) | |
1145 | { | |
59066248 KK |
1146 | section->alignment_power = 2; |
1147 | } | |
1148 | else if (strcmp (section->name, ".idata$5") == 0) | |
1149 | { | |
59066248 KK |
1150 | section->alignment_power = 2; |
1151 | } | |
1152 | else if (strcmp (section->name, ".idata$6") == 0) | |
1153 | { | |
59066248 KK |
1154 | section->alignment_power = 1; |
1155 | } | |
caa740be KK |
1156 | else if (strcmp (section->name, ".reloc") == 0) |
1157 | { | |
1158 | section->alignment_power = 1; | |
1159 | } | |
e7894f6b KK |
1160 | else if (strncmp (section->name, ".stab", 5) == 0) |
1161 | { | |
1162 | section->alignment_power = 2; | |
1163 | } | |
59066248 | 1164 | #endif |
b9110a3c | 1165 | |
34255b70 | 1166 | #ifdef COFF_IMAGE_WITH_PE |
b9110a3c DE |
1167 | /* In a PE image file, the s_paddr field holds the virtual size of a |
1168 | section, while the s_size field holds the raw size. */ | |
1169 | if (hdr->s_paddr != 0) | |
1170 | { | |
1171 | if (coff_section_data (abfd, section) == NULL) | |
1172 | { | |
1173 | section->used_by_bfd = | |
1174 | (PTR) bfd_zalloc (abfd, sizeof (struct coff_section_tdata)); | |
1175 | if (section->used_by_bfd == NULL) | |
1176 | { | |
1177 | /* FIXME: Return error. */ | |
1178 | abort (); | |
1179 | } | |
1180 | } | |
1181 | if (pei_section_data (abfd, section) == NULL) | |
1182 | { | |
1183 | coff_section_data (abfd, section)->tdata = | |
1184 | (PTR) bfd_zalloc (abfd, sizeof (struct pei_section_tdata)); | |
1185 | if (coff_section_data (abfd, section)->tdata == NULL) | |
1186 | { | |
1187 | /* FIXME: Return error. */ | |
1188 | abort (); | |
1189 | } | |
1190 | } | |
1191 | pei_section_data (abfd, section)->virt_size = hdr->s_paddr; | |
1192 | } | |
1193 | #endif | |
1194 | ||
d6f41a7d KK |
1195 | } |
1196 | #undef ALIGN_SET | |
1197 | #undef ELIFALIGN_SET | |
1198 | ||
c769947b SS |
1199 | #else /* ! COFF_WITH_PE */ |
1200 | #ifdef RS6000COFF_C | |
1201 | ||
1202 | /* We grossly abuse this function to handle XCOFF overflow headers. | |
1203 | When we see one, we correct the reloc and line number counts in the | |
1204 | real header, and remove the section we just created. */ | |
1205 | ||
46686c78 NC |
1206 | static void coff_set_alignment_hook PARAMS ((bfd *, asection *, PTR)); |
1207 | ||
c769947b SS |
1208 | static void |
1209 | coff_set_alignment_hook (abfd, section, scnhdr) | |
1210 | bfd *abfd; | |
1211 | asection *section; | |
1212 | PTR scnhdr; | |
1213 | { | |
1214 | struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr; | |
1215 | asection *real_sec; | |
1216 | asection **ps; | |
1217 | ||
1218 | if ((hdr->s_flags & STYP_OVRFLO) == 0) | |
1219 | return; | |
1220 | ||
1221 | real_sec = coff_section_from_bfd_index (abfd, hdr->s_nreloc); | |
1222 | if (real_sec == NULL) | |
1223 | return; | |
1224 | ||
1225 | real_sec->reloc_count = hdr->s_paddr; | |
1226 | real_sec->lineno_count = hdr->s_vaddr; | |
1227 | ||
1228 | for (ps = &abfd->sections; *ps != NULL; ps = &(*ps)->next) | |
1229 | { | |
1230 | if (*ps == section) | |
1231 | { | |
1232 | *ps = (*ps)->next; | |
1233 | --abfd->section_count; | |
1234 | break; | |
1235 | } | |
1236 | } | |
1237 | } | |
1238 | ||
1239 | #else /* ! RS6000COFF_C */ | |
0f268757 | 1240 | |
075caafd ILT |
1241 | #define coff_set_alignment_hook \ |
1242 | ((void (*) PARAMS ((bfd *, asection *, PTR))) bfd_void) | |
41f50af0 | 1243 | |
c769947b SS |
1244 | #endif /* ! RS6000COFF_C */ |
1245 | #endif /* ! COFF_WITH_PE */ | |
c4188c2a | 1246 | #endif /* ! COFF_ALIGN_IN_SECTION_HEADER */ |
0f268757 | 1247 | |
beee31b1 | 1248 | #ifndef coff_mkobject |
46686c78 NC |
1249 | |
1250 | static boolean coff_mkobject PARAMS ((bfd *)); | |
1251 | ||
9783e04a | 1252 | static boolean |
57a1867e DM |
1253 | coff_mkobject (abfd) |
1254 | bfd * abfd; | |
0f268757 | 1255 | { |
075caafd ILT |
1256 | coff_data_type *coff; |
1257 | ||
9783e04a DM |
1258 | abfd->tdata.coff_obj_data = (struct coff_tdata *) bfd_zalloc (abfd, sizeof (coff_data_type)); |
1259 | if (abfd->tdata.coff_obj_data == 0) | |
a9713b91 | 1260 | return false; |
075caafd ILT |
1261 | coff = coff_data (abfd); |
1262 | coff->symbols = (coff_symbol_type *) NULL; | |
1263 | coff->conversion_table = (unsigned int *) NULL; | |
1264 | coff->raw_syments = (struct coff_ptr_struct *) NULL; | |
075caafd | 1265 | coff->relocbase = 0; |
d6f41a7d KK |
1266 | coff->local_toc_sym_map = 0; |
1267 | ||
6590a8c9 | 1268 | /* make_abs_section(abfd);*/ |
89665c85 | 1269 | |
0f268757 SC |
1270 | return true; |
1271 | } | |
beee31b1 | 1272 | #endif |
0f268757 | 1273 | |
075caafd | 1274 | /* Create the COFF backend specific information. */ |
beee31b1 | 1275 | #ifndef coff_mkobject_hook |
9783e04a | 1276 | static PTR |
57a1867e DM |
1277 | coff_mkobject_hook (abfd, filehdr, aouthdr) |
1278 | bfd * abfd; | |
1279 | PTR filehdr; | |
1280 | PTR aouthdr; | |
0f268757 | 1281 | { |
075caafd | 1282 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; |
0f268757 | 1283 | coff_data_type *coff; |
cbdc7909 | 1284 | |
075caafd ILT |
1285 | if (coff_mkobject (abfd) == false) |
1286 | return NULL; | |
e98e6ec1 | 1287 | |
075caafd | 1288 | coff = coff_data (abfd); |
cbdc7909 | 1289 | |
075caafd | 1290 | coff->sym_filepos = internal_f->f_symptr; |
cbdc7909 | 1291 | |
075caafd ILT |
1292 | /* These members communicate important constants about the symbol |
1293 | table to GDB's symbol-reading code. These `constants' | |
1294 | unfortunately vary among coff implementations... */ | |
1295 | coff->local_n_btmask = N_BTMASK; | |
1296 | coff->local_n_btshft = N_BTSHFT; | |
9783e04a | 1297 | coff->local_n_tmask = N_TMASK; |
075caafd | 1298 | coff->local_n_tshift = N_TSHIFT; |
9783e04a DM |
1299 | coff->local_symesz = SYMESZ; |
1300 | coff->local_auxesz = AUXESZ; | |
1301 | coff->local_linesz = LINESZ; | |
cbdc7909 | 1302 | |
69645d10 ILT |
1303 | obj_raw_syment_count (abfd) = |
1304 | obj_conv_table_size (abfd) = | |
1305 | internal_f->f_nsyms; | |
1306 | ||
5f710a3a ILT |
1307 | #ifdef RS6000COFF_C |
1308 | if ((internal_f->f_flags & F_SHROBJ) != 0) | |
1309 | abfd->flags |= DYNAMIC; | |
1310 | if (aouthdr != NULL && internal_f->f_opthdr >= AOUTSZ) | |
1311 | { | |
1312 | struct internal_aouthdr *internal_a = | |
1313 | (struct internal_aouthdr *) aouthdr; | |
1314 | struct xcoff_tdata *xcoff; | |
1315 | ||
1316 | xcoff = xcoff_data (abfd); | |
867d923d | 1317 | xcoff->full_aouthdr = true; |
5f710a3a | 1318 | xcoff->toc = internal_a->o_toc; |
d19df9b5 ILT |
1319 | xcoff->sntoc = internal_a->o_sntoc; |
1320 | xcoff->snentry = internal_a->o_snentry; | |
5f710a3a ILT |
1321 | xcoff->text_align_power = internal_a->o_algntext; |
1322 | xcoff->data_align_power = internal_a->o_algndata; | |
1323 | xcoff->modtype = internal_a->o_modtype; | |
dd984644 | 1324 | xcoff->cputype = internal_a->o_cputype; |
5f710a3a ILT |
1325 | xcoff->maxdata = internal_a->o_maxdata; |
1326 | xcoff->maxstack = internal_a->o_maxstack; | |
1327 | } | |
1328 | #endif | |
1329 | ||
aed5701b | 1330 | #ifdef ARM |
46686c78 NC |
1331 | /* Set the flags field from the COFF header read in */ |
1332 | if (! coff_arm_bfd_set_private_flags (abfd, internal_f->f_flags)) | |
1333 | coff->flags = 0; | |
1334 | #endif | |
1335 | ||
075caafd ILT |
1336 | return (PTR) coff; |
1337 | } | |
beee31b1 | 1338 | #endif |
cbdc7909 | 1339 | |
075caafd ILT |
1340 | /* Determine the machine architecture and type. FIXME: This is target |
1341 | dependent because the magic numbers are defined in the target | |
1342 | dependent header files. But there is no particular need for this. | |
1343 | If the magic numbers were moved to a separate file, this function | |
1344 | would be target independent and would also be much more successful | |
1345 | at linking together COFF files for different architectures. */ | |
cbdc7909 | 1346 | |
075caafd | 1347 | static boolean |
9783e04a | 1348 | coff_set_arch_mach_hook (abfd, filehdr) |
4d09e8ac JK |
1349 | bfd *abfd; |
1350 | PTR filehdr; | |
075caafd ILT |
1351 | { |
1352 | long machine; | |
1353 | enum bfd_architecture arch; | |
1354 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
e98e6ec1 | 1355 | |
075caafd | 1356 | machine = 0; |
9783e04a DM |
1357 | switch (internal_f->f_magic) |
1358 | { | |
80b2dd82 KK |
1359 | #ifdef PPCMAGIC |
1360 | case PPCMAGIC: | |
1361 | arch = bfd_arch_powerpc; | |
1362 | machine = 0; /* what does this mean? (krk) */ | |
1363 | break; | |
1364 | #endif | |
20fdc627 | 1365 | #ifdef I386MAGIC |
9783e04a DM |
1366 | case I386MAGIC: |
1367 | case I386PTXMAGIC: | |
1368 | case I386AIXMAGIC: /* Danbury PS/2 AIX C Compiler */ | |
1369 | case LYNXCOFFMAGIC: /* shadows the m68k Lynx number below, sigh */ | |
1370 | arch = bfd_arch_i386; | |
1371 | machine = 0; | |
1372 | break; | |
20fdc627 | 1373 | #endif |
cbdc7909 | 1374 | #ifdef A29K_MAGIC_BIG |
9783e04a DM |
1375 | case A29K_MAGIC_BIG: |
1376 | case A29K_MAGIC_LITTLE: | |
1377 | arch = bfd_arch_a29k; | |
1378 | machine = 0; | |
1379 | break; | |
41f50af0 | 1380 | #endif |
89665c85 SC |
1381 | #ifdef ARMMAGIC |
1382 | case ARMMAGIC: | |
1383 | arch = bfd_arch_arm; | |
46686c78 NC |
1384 | switch (internal_f->f_flags & F_ARM_ARCHITECTURE_MASK) |
1385 | { | |
1386 | case F_ARM_2: machine = bfd_mach_arm_2; break; | |
1387 | case F_ARM_2a: machine = bfd_mach_arm_2a; break; | |
1388 | case F_ARM_3: machine = bfd_mach_arm_3; break; | |
1389 | default: | |
1390 | case F_ARM_3M: machine = bfd_mach_arm_3M; break; | |
1391 | case F_ARM_4: machine = bfd_mach_arm_4; break; | |
1392 | case F_ARM_4T: machine = bfd_mach_arm_4T; break; | |
1393 | } | |
89665c85 SC |
1394 | break; |
1395 | #endif | |
0f268757 | 1396 | #ifdef MC68MAGIC |
9783e04a DM |
1397 | case MC68MAGIC: |
1398 | case M68MAGIC: | |
97eb2f0c | 1399 | #ifdef MC68KBCSMAGIC |
9783e04a | 1400 | case MC68KBCSMAGIC: |
97eb2f0c KR |
1401 | #endif |
1402 | #ifdef APOLLOM68KMAGIC | |
9783e04a | 1403 | case APOLLOM68KMAGIC: |
c188b0be DM |
1404 | #endif |
1405 | #ifdef LYNXCOFFMAGIC | |
9783e04a | 1406 | case LYNXCOFFMAGIC: |
97eb2f0c | 1407 | #endif |
9783e04a | 1408 | arch = bfd_arch_m68k; |
d04efb80 | 1409 | machine = bfd_mach_m68020; |
9783e04a | 1410 | break; |
0f268757 SC |
1411 | #endif |
1412 | #ifdef MC88MAGIC | |
9783e04a DM |
1413 | case MC88MAGIC: |
1414 | case MC88DMAGIC: | |
1415 | case MC88OMAGIC: | |
1416 | arch = bfd_arch_m88k; | |
1417 | machine = 88100; | |
1418 | break; | |
0f268757 | 1419 | #endif |
dc999ad9 | 1420 | #ifdef Z8KMAGIC |
9783e04a DM |
1421 | case Z8KMAGIC: |
1422 | arch = bfd_arch_z8k; | |
1423 | switch (internal_f->f_flags & F_MACHMASK) | |
1424 | { | |
1425 | case F_Z8001: | |
1426 | machine = bfd_mach_z8001; | |
1427 | break; | |
1428 | case F_Z8002: | |
1429 | machine = bfd_mach_z8002; | |
1430 | break; | |
1431 | default: | |
1432 | return false; | |
1433 | } | |
1434 | break; | |
dc999ad9 | 1435 | #endif |
cf587de8 ILT |
1436 | #ifdef I860 |
1437 | case I860MAGIC: | |
1438 | arch = bfd_arch_i860; | |
1439 | break; | |
1440 | #endif | |
0f268757 SC |
1441 | #ifdef I960 |
1442 | #ifdef I960ROMAGIC | |
9783e04a DM |
1443 | case I960ROMAGIC: |
1444 | case I960RWMAGIC: | |
1445 | arch = bfd_arch_i960; | |
1446 | switch (F_I960TYPE & internal_f->f_flags) | |
0f268757 SC |
1447 | { |
1448 | default: | |
1449 | case F_I960CORE: | |
0d740984 | 1450 | machine = bfd_mach_i960_core; |
0f268757 SC |
1451 | break; |
1452 | case F_I960KB: | |
0d740984 | 1453 | machine = bfd_mach_i960_kb_sb; |
0f268757 | 1454 | break; |
9783e04a | 1455 | case F_I960MC: |
0d740984 | 1456 | machine = bfd_mach_i960_mc; |
0f268757 SC |
1457 | break; |
1458 | case F_I960XA: | |
0d740984 | 1459 | machine = bfd_mach_i960_xa; |
0f268757 SC |
1460 | break; |
1461 | case F_I960CA: | |
0d740984 | 1462 | machine = bfd_mach_i960_ca; |
0f268757 SC |
1463 | break; |
1464 | case F_I960KA: | |
0d740984 | 1465 | machine = bfd_mach_i960_ka_sa; |
0f268757 | 1466 | break; |
57289b5c JL |
1467 | case F_I960JX: |
1468 | machine = bfd_mach_i960_jx; | |
b5b056fc | 1469 | break; |
cbe75cb6 ILT |
1470 | case F_I960HX: |
1471 | machine = bfd_mach_i960_hx; | |
1472 | break; | |
0f268757 | 1473 | } |
9783e04a | 1474 | break; |
0f268757 SC |
1475 | #endif |
1476 | #endif | |
cbdc7909 | 1477 | |
dd984644 | 1478 | #ifdef RS6000COFF_C |
9783e04a DM |
1479 | case U802ROMAGIC: |
1480 | case U802WRMAGIC: | |
1481 | case U802TOCMAGIC: | |
dd984644 ILT |
1482 | { |
1483 | int cputype; | |
1484 | ||
1485 | if (xcoff_data (abfd)->cputype != -1) | |
1486 | cputype = xcoff_data (abfd)->cputype & 0xff; | |
1487 | else | |
1488 | { | |
1489 | /* We did not get a value from the a.out header. If the | |
1490 | file has not been stripped, we may be able to get the | |
1491 | architecture information from the first symbol, if it | |
1492 | is a .file symbol. */ | |
1493 | if (obj_raw_syment_count (abfd) == 0) | |
1494 | cputype = 0; | |
1495 | else | |
1496 | { | |
1497 | bfd_byte buf[SYMESZ]; | |
1498 | struct internal_syment sym; | |
1499 | ||
1500 | if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0 | |
1501 | || bfd_read (buf, 1, SYMESZ, abfd) != SYMESZ) | |
1502 | return false; | |
1503 | coff_swap_sym_in (abfd, (PTR) buf, (PTR) &sym); | |
1504 | if (sym.n_sclass == C_FILE) | |
1505 | cputype = sym.n_type & 0xff; | |
1506 | else | |
1507 | cputype = 0; | |
1508 | } | |
1509 | } | |
1510 | ||
1511 | /* FIXME: We don't handle all cases here. */ | |
1512 | switch (cputype) | |
1513 | { | |
1514 | default: | |
1515 | case 0: | |
db344f82 | 1516 | #ifdef POWERMAC |
dd984644 ILT |
1517 | /* PowerPC Macs use the same magic numbers as RS/6000 |
1518 | (because that's how they were bootstrapped originally), | |
1519 | but they are always PowerPC architecture. */ | |
1520 | arch = bfd_arch_powerpc; | |
c769947b | 1521 | machine = 0; |
db344f82 | 1522 | #else |
dd984644 ILT |
1523 | arch = bfd_arch_rs6000; |
1524 | machine = 6000; | |
db344f82 | 1525 | #endif /* POWERMAC */ |
dd984644 ILT |
1526 | break; |
1527 | ||
1528 | case 1: | |
1529 | arch = bfd_arch_powerpc; | |
1530 | machine = 601; | |
1531 | break; | |
1532 | case 2: /* 64 bit PowerPC */ | |
1533 | arch = bfd_arch_powerpc; | |
1534 | machine = 620; | |
1535 | break; | |
1536 | case 3: | |
1537 | arch = bfd_arch_powerpc; | |
1538 | machine = 0; | |
1539 | break; | |
1540 | case 4: | |
1541 | arch = bfd_arch_rs6000; | |
1542 | machine = 6000; | |
1543 | break; | |
1544 | } | |
1545 | } | |
9783e04a | 1546 | break; |
cbdc7909 JG |
1547 | #endif |
1548 | ||
dc999ad9 | 1549 | #ifdef WE32KMAGIC |
9783e04a DM |
1550 | case WE32KMAGIC: |
1551 | arch = bfd_arch_we32k; | |
1552 | machine = 0; | |
1553 | break; | |
dc999ad9 ILT |
1554 | #endif |
1555 | ||
3b4f1a5d | 1556 | #ifdef H8300MAGIC |
9783e04a DM |
1557 | case H8300MAGIC: |
1558 | arch = bfd_arch_h8300; | |
1559 | machine = bfd_mach_h8300; | |
1560 | /* !! FIXME this probably isn't the right place for this */ | |
1561 | abfd->flags |= BFD_IS_RELAXABLE; | |
1562 | break; | |
4d09e8ac JK |
1563 | #endif |
1564 | ||
1565 | #ifdef H8300HMAGIC | |
9783e04a DM |
1566 | case H8300HMAGIC: |
1567 | arch = bfd_arch_h8300; | |
1568 | machine = bfd_mach_h8300h; | |
1569 | /* !! FIXME this probably isn't the right place for this */ | |
1570 | abfd->flags |= BFD_IS_RELAXABLE; | |
1571 | break; | |
142ce43e SC |
1572 | #endif |
1573 | ||
b9110a3c DE |
1574 | #ifdef H8300SMAGIC |
1575 | case H8300SMAGIC: | |
1576 | arch = bfd_arch_h8300; | |
1577 | machine = bfd_mach_h8300s; | |
1578 | /* !! FIXME this probably isn't the right place for this */ | |
1579 | abfd->flags |= BFD_IS_RELAXABLE; | |
1580 | break; | |
1581 | #endif | |
1582 | ||
f135c692 ILT |
1583 | #ifdef SH_ARCH_MAGIC_BIG |
1584 | case SH_ARCH_MAGIC_BIG: | |
1585 | case SH_ARCH_MAGIC_LITTLE: | |
9783e04a DM |
1586 | arch = bfd_arch_sh; |
1587 | machine = 0; | |
1588 | break; | |
9faacb92 SC |
1589 | #endif |
1590 | ||
142ce43e | 1591 | #ifdef H8500MAGIC |
9783e04a DM |
1592 | case H8500MAGIC: |
1593 | arch = bfd_arch_h8500; | |
1594 | machine = 0; | |
1595 | break; | |
3b4f1a5d | 1596 | #endif |
cbdc7909 | 1597 | |
c188b0be | 1598 | #ifdef SPARCMAGIC |
9783e04a | 1599 | case SPARCMAGIC: |
c16313f0 ILT |
1600 | #ifdef LYNXCOFFMAGIC |
1601 | case LYNXCOFFMAGIC: | |
1602 | #endif | |
9783e04a DM |
1603 | arch = bfd_arch_sparc; |
1604 | machine = 0; | |
1605 | break; | |
c188b0be DM |
1606 | #endif |
1607 | ||
e8f2efef ILT |
1608 | #ifdef TIC30MAGIC |
1609 | case TIC30MAGIC: | |
1610 | arch = bfd_arch_tic30; | |
1611 | break; | |
1612 | #endif | |
1613 | ||
c4188c2a | 1614 | /* start-sanitize-tic80 */ |
28eb95aa FF |
1615 | #ifdef TIC80_ARCH_MAGIC |
1616 | case TIC80_ARCH_MAGIC: | |
1617 | arch = bfd_arch_tic80; | |
1618 | break; | |
1619 | #endif | |
c4188c2a | 1620 | /* end-sanitize-tic80 */ |
28eb95aa | 1621 | |
9783e04a DM |
1622 | default: /* Unreadable input file type */ |
1623 | arch = bfd_arch_obscure; | |
1624 | break; | |
1625 | } | |
cbdc7909 | 1626 | |
9783e04a | 1627 | bfd_default_set_arch_mach (abfd, arch, machine); |
075caafd ILT |
1628 | return true; |
1629 | } | |
cbdc7909 | 1630 | |
075caafd | 1631 | #ifdef SYMNAME_IN_DEBUG |
6f715d66 | 1632 | |
46686c78 NC |
1633 | static boolean symname_in_debug_hook |
1634 | PARAMS ((bfd *, struct internal_syment *)); | |
1635 | ||
075caafd | 1636 | static boolean |
57a1867e DM |
1637 | symname_in_debug_hook (abfd, sym) |
1638 | bfd * abfd; | |
1639 | struct internal_syment *sym; | |
075caafd ILT |
1640 | { |
1641 | return SYMNAME_IN_DEBUG (sym) ? true : false; | |
1642 | } | |
6f715d66 | 1643 | |
075caafd | 1644 | #else |
cbdc7909 | 1645 | |
075caafd ILT |
1646 | #define symname_in_debug_hook \ |
1647 | (boolean (*) PARAMS ((bfd *, struct internal_syment *))) bfd_false | |
cbdc7909 | 1648 | |
075caafd | 1649 | #endif |
7a8b18b6 | 1650 | |
c80cc833 ILT |
1651 | #ifdef RS6000COFF_C |
1652 | ||
0fc9ada9 | 1653 | /* Handle the csect auxent of a C_EXT or C_HIDEXT symbol. */ |
c80cc833 ILT |
1654 | |
1655 | static boolean coff_pointerize_aux_hook | |
1656 | PARAMS ((bfd *, combined_entry_type *, combined_entry_type *, | |
1657 | unsigned int, combined_entry_type *)); | |
1658 | ||
1659 | /*ARGSUSED*/ | |
1660 | static boolean | |
1661 | coff_pointerize_aux_hook (abfd, table_base, symbol, indaux, aux) | |
1662 | bfd *abfd; | |
1663 | combined_entry_type *table_base; | |
1664 | combined_entry_type *symbol; | |
1665 | unsigned int indaux; | |
1666 | combined_entry_type *aux; | |
1667 | { | |
1668 | int class = symbol->u.syment.n_sclass; | |
1669 | ||
0fc9ada9 ILT |
1670 | if ((class == C_EXT || class == C_HIDEXT) |
1671 | && indaux + 1 == symbol->u.syment.n_numaux) | |
1672 | { | |
1673 | if (SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp) == XTY_LD) | |
1674 | { | |
1675 | aux->u.auxent.x_csect.x_scnlen.p = | |
1676 | table_base + aux->u.auxent.x_csect.x_scnlen.l; | |
1677 | aux->fix_scnlen = 1; | |
1678 | } | |
1679 | ||
1680 | /* Return true to indicate that the caller should not do any | |
1681 | further work on this auxent. */ | |
1682 | return true; | |
1683 | } | |
1684 | ||
1685 | /* Return false to indicate that this auxent should be handled by | |
1686 | the caller. */ | |
1687 | return false; | |
c80cc833 ILT |
1688 | } |
1689 | ||
1690 | #else | |
1691 | #ifdef I960 | |
1692 | ||
1693 | /* We don't want to pointerize bal entries. */ | |
1694 | ||
1695 | static boolean coff_pointerize_aux_hook | |
1696 | PARAMS ((bfd *, combined_entry_type *, combined_entry_type *, | |
1697 | unsigned int, combined_entry_type *)); | |
1698 | ||
1699 | /*ARGSUSED*/ | |
1700 | static boolean | |
1701 | coff_pointerize_aux_hook (abfd, table_base, symbol, indaux, aux) | |
1702 | bfd *abfd; | |
1703 | combined_entry_type *table_base; | |
1704 | combined_entry_type *symbol; | |
1705 | unsigned int indaux; | |
1706 | combined_entry_type *aux; | |
1707 | { | |
1708 | /* Return true if we don't want to pointerize this aux entry, which | |
1709 | is the case for the lastfirst aux entry for a C_LEAFPROC symbol. */ | |
a418e05d ILT |
1710 | return (indaux == 1 |
1711 | && (symbol->u.syment.n_sclass == C_LEAFPROC | |
1712 | || symbol->u.syment.n_sclass == C_LEAFSTAT | |
1713 | || symbol->u.syment.n_sclass == C_LEAFEXT)); | |
c80cc833 ILT |
1714 | } |
1715 | ||
1716 | #else /* ! I960 */ | |
1717 | ||
1718 | #define coff_pointerize_aux_hook 0 | |
1719 | ||
1720 | #endif /* ! I960 */ | |
1721 | #endif /* ! RS6000COFF_C */ | |
1722 | ||
0fc9ada9 ILT |
1723 | /* Print an aux entry. This returns true if it has printed it. */ |
1724 | ||
1725 | static boolean coff_print_aux | |
1726 | PARAMS ((bfd *, FILE *, combined_entry_type *, combined_entry_type *, | |
1727 | combined_entry_type *, unsigned int)); | |
1728 | ||
1729 | static boolean | |
1730 | coff_print_aux (abfd, file, table_base, symbol, aux, indaux) | |
1731 | bfd *abfd; | |
1732 | FILE *file; | |
1733 | combined_entry_type *table_base; | |
1734 | combined_entry_type *symbol; | |
1735 | combined_entry_type *aux; | |
1736 | unsigned int indaux; | |
1737 | { | |
1738 | #ifdef RS6000COFF_C | |
1739 | if ((symbol->u.syment.n_sclass == C_EXT | |
1740 | || symbol->u.syment.n_sclass == C_HIDEXT) | |
1741 | && indaux + 1 == symbol->u.syment.n_numaux) | |
1742 | { | |
1743 | /* This is a csect entry. */ | |
1744 | fprintf (file, "AUX "); | |
1745 | if (SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp) != XTY_LD) | |
1746 | { | |
1747 | BFD_ASSERT (! aux->fix_scnlen); | |
1748 | fprintf (file, "val %5ld", aux->u.auxent.x_csect.x_scnlen.l); | |
1749 | } | |
1750 | else | |
1751 | { | |
1752 | fprintf (file, "indx "); | |
1753 | if (! aux->fix_scnlen) | |
1754 | fprintf (file, "%4ld", aux->u.auxent.x_csect.x_scnlen.l); | |
1755 | else | |
1756 | fprintf (file, "%4ld", | |
1757 | (long) (aux->u.auxent.x_csect.x_scnlen.p - table_base)); | |
1758 | } | |
1759 | fprintf (file, | |
1760 | " prmhsh %ld snhsh %u typ %d algn %d clss %u stb %ld snstb %u", | |
1761 | aux->u.auxent.x_csect.x_parmhash, | |
1762 | (unsigned int) aux->u.auxent.x_csect.x_snhash, | |
1763 | SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp), | |
1764 | SMTYP_ALIGN (aux->u.auxent.x_csect.x_smtyp), | |
1765 | (unsigned int) aux->u.auxent.x_csect.x_smclas, | |
1766 | aux->u.auxent.x_csect.x_stab, | |
1767 | (unsigned int) aux->u.auxent.x_csect.x_snstab); | |
1768 | return true; | |
1769 | } | |
1770 | #endif | |
1771 | ||
1772 | /* Return false to indicate that no special action was taken. */ | |
1773 | return false; | |
1774 | } | |
1775 | ||
9fda1a39 SC |
1776 | /* |
1777 | SUBSUBSECTION | |
c188b0be | 1778 | Writing relocations |
9fda1a39 | 1779 | |
c188b0be DM |
1780 | To write relocations, the back end steps though the |
1781 | canonical relocation table and create an | |
9fda1a39 | 1782 | @code{internal_reloc}. The symbol index to use is removed from |
c188b0be | 1783 | the @code{offset} field in the symbol table supplied. The |
9fda1a39 | 1784 | address comes directly from the sum of the section base |
c188b0be | 1785 | address and the relocation offset; the type is dug directly |
9fda1a39 SC |
1786 | from the howto field. Then the @code{internal_reloc} is |
1787 | swapped into the shape of an @code{external_reloc} and written | |
9783e04a | 1788 | out to disk. |
9fda1a39 | 1789 | |
6f715d66 | 1790 | */ |
0f268757 | 1791 | |
d19df9b5 ILT |
1792 | #ifdef TARG_AUX |
1793 | ||
1794 | static int compare_arelent_ptr PARAMS ((const PTR, const PTR)); | |
1795 | ||
1796 | /* AUX's ld wants relocations to be sorted */ | |
1797 | static int | |
1798 | compare_arelent_ptr (x, y) | |
1799 | const PTR x; | |
1800 | const PTR y; | |
1801 | { | |
1802 | const arelent **a = (const arelent **) x; | |
1803 | const arelent **b = (const arelent **) y; | |
1804 | bfd_size_type aadr = (*a)->address; | |
1805 | bfd_size_type badr = (*b)->address; | |
1806 | ||
1807 | return (aadr < badr ? -1 : badr < aadr ? 1 : 0); | |
1808 | } | |
1809 | ||
1810 | #endif /* TARG_AUX */ | |
1811 | ||
791a3db4 | 1812 | static boolean |
89665c85 | 1813 | coff_write_relocs (abfd, first_undef) |
57a1867e | 1814 | bfd * abfd; |
89665c85 | 1815 | int first_undef; |
6f715d66 | 1816 | { |
9783e04a | 1817 | asection *s; |
d19df9b5 | 1818 | |
9783e04a DM |
1819 | for (s = abfd->sections; s != (asection *) NULL; s = s->next) |
1820 | { | |
1821 | unsigned int i; | |
1822 | struct external_reloc dst; | |
d19df9b5 ILT |
1823 | arelent **p; |
1824 | ||
1825 | #ifndef TARG_AUX | |
1826 | p = s->orelocation; | |
1827 | #else | |
1828 | /* sort relocations before we write them out */ | |
1829 | p = (arelent **) bfd_malloc (s->reloc_count * sizeof (arelent *)); | |
1830 | if (p == NULL && s->reloc_count > 0) | |
1831 | return false; | |
1832 | memcpy (p, s->orelocation, s->reloc_count * sizeof (arelent *)); | |
1833 | qsort (p, s->reloc_count, sizeof (arelent *), compare_arelent_ptr); | |
1834 | #endif | |
9783e04a | 1835 | |
791a3db4 ILT |
1836 | if (bfd_seek (abfd, s->rel_filepos, SEEK_SET) != 0) |
1837 | return false; | |
9783e04a DM |
1838 | for (i = 0; i < s->reloc_count; i++) |
1839 | { | |
1840 | struct internal_reloc n; | |
1841 | arelent *q = p[i]; | |
1842 | memset ((PTR) & n, 0, sizeof (n)); | |
1843 | ||
89665c85 SC |
1844 | /* Now we've renumbered the symbols we know where the |
1845 | undefined symbols live in the table. Check the reloc | |
1846 | entries for symbols who's output bfd isn't the right one. | |
1847 | This is because the symbol was undefined (which means | |
1848 | that all the pointers are never made to point to the same | |
1849 | place). This is a bad thing,'cause the symbols attached | |
1850 | to the output bfd are indexed, so that the relocation | |
1851 | entries know which symbol index they point to. So we | |
1852 | have to look up the output symbol here. */ | |
1853 | ||
1854 | if (q->sym_ptr_ptr[0]->the_bfd != abfd) | |
1855 | { | |
1856 | int i; | |
1857 | const char *sname = q->sym_ptr_ptr[0]->name; | |
1858 | asymbol **outsyms = abfd->outsymbols; | |
1859 | for (i = first_undef; outsyms[i]; i++) | |
1860 | { | |
1861 | const char *intable = outsyms[i]->name; | |
1862 | if (strcmp (intable, sname) == 0) { | |
1863 | /* got a hit, so repoint the reloc */ | |
1864 | q->sym_ptr_ptr = outsyms + i; | |
1865 | break; | |
1866 | } | |
1867 | } | |
1868 | } | |
1869 | ||
9783e04a DM |
1870 | n.r_vaddr = q->address + s->vma; |
1871 | ||
1872 | #ifdef R_IHCONST | |
1873 | /* The 29k const/consth reloc pair is a real kludge. The consth | |
89665c85 SC |
1874 | part doesn't have a symbol; it has an offset. So rebuilt |
1875 | that here. */ | |
9783e04a DM |
1876 | if (q->howto->type == R_IHCONST) |
1877 | n.r_symndx = q->addend; | |
1878 | else | |
780c477a | 1879 | #endif |
89665c85 SC |
1880 | if (q->sym_ptr_ptr) |
1881 | { | |
1882 | if (q->sym_ptr_ptr == bfd_abs_section_ptr->symbol_ptr_ptr) | |
1883 | /* This is a relocation relative to the absolute symbol. */ | |
1884 | n.r_symndx = -1; | |
1885 | else | |
1886 | { | |
1887 | n.r_symndx = get_index ((*(q->sym_ptr_ptr))); | |
1888 | /* Take notice if the symbol reloc points to a symbol | |
1889 | we don't have in our symbol table. What should we | |
1890 | do for this?? */ | |
1891 | if (n.r_symndx > obj_conv_table_size (abfd)) | |
1892 | abort (); | |
1893 | } | |
1894 | } | |
780c477a | 1895 | |
cd83759c | 1896 | #ifdef SWAP_OUT_RELOC_OFFSET |
9783e04a | 1897 | n.r_offset = q->addend; |
cd83759c | 1898 | #endif |
c26d7d17 | 1899 | |
0f268757 | 1900 | #ifdef SELECT_RELOC |
9783e04a DM |
1901 | /* Work out reloc type from what is required */ |
1902 | SELECT_RELOC (n, q->howto); | |
0f268757 | 1903 | #else |
9783e04a | 1904 | n.r_type = q->howto->type; |
0f268757 | 1905 | #endif |
9783e04a | 1906 | coff_swap_reloc_out (abfd, &n, &dst); |
791a3db4 ILT |
1907 | if (bfd_write ((PTR) & dst, 1, RELSZ, abfd) != RELSZ) |
1908 | return false; | |
9783e04a | 1909 | } |
d19df9b5 ILT |
1910 | |
1911 | #ifdef TARG_AUX | |
1912 | if (p != NULL) | |
1913 | free (p); | |
1914 | #endif | |
0f268757 | 1915 | } |
791a3db4 ILT |
1916 | |
1917 | return true; | |
6f715d66 | 1918 | } |
7a8b18b6 SC |
1919 | |
1920 | /* Set flags and magic number of a coff file from architecture and machine | |
1921 | type. Result is true if we can represent the arch&type, false if not. */ | |
0f268757 | 1922 | |
9783e04a | 1923 | static boolean |
57a1867e DM |
1924 | coff_set_flags (abfd, magicp, flagsp) |
1925 | bfd * abfd; | |
46686c78 | 1926 | unsigned int *magicp; |
57a1867e | 1927 | unsigned short *flagsp; |
6f715d66 | 1928 | { |
9783e04a | 1929 | switch (bfd_get_arch (abfd)) |
dc999ad9 | 1930 | { |
9783e04a DM |
1931 | #ifdef Z8KMAGIC |
1932 | case bfd_arch_z8k: | |
1933 | *magicp = Z8KMAGIC; | |
1934 | switch (bfd_get_mach (abfd)) | |
1935 | { | |
1936 | case bfd_mach_z8001: | |
1937 | *flagsp = F_Z8001; | |
1938 | break; | |
1939 | case bfd_mach_z8002: | |
1940 | *flagsp = F_Z8002; | |
1941 | break; | |
1942 | default: | |
1943 | return false; | |
1944 | } | |
1945 | return true; | |
dc999ad9 | 1946 | #endif |
0f268757 | 1947 | #ifdef I960ROMAGIC |
cbdc7909 | 1948 | |
3b4f1a5d | 1949 | case bfd_arch_i960: |
cbdc7909 | 1950 | |
6f715d66 | 1951 | { |
9783e04a | 1952 | unsigned flags; |
6f715d66 SC |
1953 | *magicp = I960ROMAGIC; |
1954 | /* | |
1955 | ((bfd_get_file_flags(abfd) & WP_TEXT) ? I960ROMAGIC : | |
1956 | I960RWMAGIC); FIXME??? | |
1957 | */ | |
9783e04a DM |
1958 | switch (bfd_get_mach (abfd)) |
1959 | { | |
1960 | case bfd_mach_i960_core: | |
1961 | flags = F_I960CORE; | |
1962 | break; | |
1963 | case bfd_mach_i960_kb_sb: | |
1964 | flags = F_I960KB; | |
1965 | break; | |
1966 | case bfd_mach_i960_mc: | |
1967 | flags = F_I960MC; | |
1968 | break; | |
1969 | case bfd_mach_i960_xa: | |
1970 | flags = F_I960XA; | |
1971 | break; | |
1972 | case bfd_mach_i960_ca: | |
1973 | flags = F_I960CA; | |
1974 | break; | |
1975 | case bfd_mach_i960_ka_sa: | |
1976 | flags = F_I960KA; | |
1977 | break; | |
57289b5c JL |
1978 | case bfd_mach_i960_jx: |
1979 | flags = F_I960JX; | |
b5b056fc | 1980 | break; |
cbe75cb6 ILT |
1981 | case bfd_mach_i960_hx: |
1982 | flags = F_I960HX; | |
1983 | break; | |
9783e04a DM |
1984 | default: |
1985 | return false; | |
1986 | } | |
6f715d66 SC |
1987 | *flagsp = flags; |
1988 | return true; | |
1989 | } | |
9783e04a | 1990 | break; |
0f268757 | 1991 | #endif |
e8f2efef ILT |
1992 | |
1993 | #ifdef TIC30MAGIC | |
1994 | case bfd_arch_tic30: | |
1995 | *magicp = TIC30MAGIC; | |
1996 | return true; | |
1997 | #endif | |
13b58694 FF |
1998 | /* start-sanitize-tic80 */ |
1999 | #ifdef TIC80_ARCH_MAGIC | |
2000 | case bfd_arch_tic80: | |
2001 | *magicp = TIC80_ARCH_MAGIC; | |
2002 | return true; | |
2003 | #endif | |
2004 | /* end-sanitize-tic80 */ | |
89665c85 SC |
2005 | #ifdef ARMMAGIC |
2006 | case bfd_arch_arm: | |
46686c78 | 2007 | * magicp = ARMMAGIC; |
4c4badea | 2008 | * flagsp = 0; |
803fea79 NC |
2009 | if (APCS_SET (abfd)) |
2010 | { | |
2011 | if (APCS_26_FLAG (abfd)) | |
2012 | * flagsp |= F_APCS26; | |
2013 | ||
2014 | if (APCS_FLOAT_FLAG (abfd)) | |
2015 | * flagsp |= F_APCS_FLOAT; | |
2016 | ||
2017 | if (PIC_FLAG (abfd)) | |
2018 | * flagsp |= F_PIC; | |
2019 | } | |
2020 | if (INTERWORK_SET (abfd) && INTERWORK_FLAG (abfd)) | |
2021 | * flagsp |= F_INTERWORK; | |
46686c78 NC |
2022 | switch (bfd_get_mach (abfd)) |
2023 | { | |
2024 | case bfd_mach_arm_2: * flagsp |= F_ARM_2; break; | |
2025 | case bfd_mach_arm_2a: * flagsp |= F_ARM_2a; break; | |
2026 | case bfd_mach_arm_3: * flagsp |= F_ARM_3; break; | |
2027 | case bfd_mach_arm_3M: * flagsp |= F_ARM_3M; break; | |
2028 | case bfd_mach_arm_4: * flagsp |= F_ARM_4; break; | |
2029 | case bfd_mach_arm_4T: * flagsp |= F_ARM_4T; break; | |
2030 | } | |
89665c85 SC |
2031 | return true; |
2032 | #endif | |
80b2dd82 KK |
2033 | #ifdef PPCMAGIC |
2034 | case bfd_arch_powerpc: | |
2035 | *magicp = PPCMAGIC; | |
2036 | return true; | |
2037 | break; | |
2038 | #endif | |
20fdc627 | 2039 | #ifdef I386MAGIC |
9783e04a DM |
2040 | case bfd_arch_i386: |
2041 | *magicp = I386MAGIC; | |
c188b0be | 2042 | #ifdef LYNXOS |
9783e04a DM |
2043 | /* Just overwrite the usual value if we're doing Lynx. */ |
2044 | *magicp = LYNXCOFFMAGIC; | |
c188b0be | 2045 | #endif |
9783e04a DM |
2046 | return true; |
2047 | break; | |
20fdc627 | 2048 | #endif |
cf587de8 ILT |
2049 | #ifdef I860MAGIC |
2050 | case bfd_arch_i860: | |
2051 | *magicp = I860MAGIC; | |
2052 | return true; | |
2053 | break; | |
2054 | #endif | |
0f268757 | 2055 | #ifdef MC68MAGIC |
9783e04a | 2056 | case bfd_arch_m68k: |
97eb2f0c | 2057 | #ifdef APOLLOM68KMAGIC |
9783e04a | 2058 | *magicp = APOLLO_COFF_VERSION_NUMBER; |
6270adfb ILT |
2059 | #else |
2060 | /* NAMES_HAVE_UNDERSCORE may be defined by coff-u68k.c. */ | |
2061 | #ifdef NAMES_HAVE_UNDERSCORE | |
2062 | *magicp = MC68KBCSMAGIC; | |
97eb2f0c | 2063 | #else |
9783e04a | 2064 | *magicp = MC68MAGIC; |
c188b0be | 2065 | #endif |
6270adfb | 2066 | #endif |
c188b0be | 2067 | #ifdef LYNXOS |
9783e04a DM |
2068 | /* Just overwrite the usual value if we're doing Lynx. */ |
2069 | *magicp = LYNXCOFFMAGIC; | |
97eb2f0c | 2070 | #endif |
9783e04a DM |
2071 | return true; |
2072 | break; | |
0f268757 | 2073 | #endif |
cbdc7909 | 2074 | |
0f268757 | 2075 | #ifdef MC88MAGIC |
3b4f1a5d SC |
2076 | case bfd_arch_m88k: |
2077 | *magicp = MC88OMAGIC; | |
2078 | return true; | |
2079 | break; | |
2080 | #endif | |
2081 | #ifdef H8300MAGIC | |
2082 | case bfd_arch_h8300: | |
9783e04a DM |
2083 | switch (bfd_get_mach (abfd)) |
2084 | { | |
2085 | case bfd_mach_h8300: | |
2086 | *magicp = H8300MAGIC; | |
2087 | return true; | |
2088 | case bfd_mach_h8300h: | |
2089 | *magicp = H8300HMAGIC; | |
2090 | return true; | |
b9110a3c DE |
2091 | case bfd_mach_h8300s: |
2092 | *magicp = H8300SMAGIC; | |
2093 | return true; | |
9783e04a | 2094 | } |
3b4f1a5d | 2095 | break; |
0f268757 | 2096 | #endif |
9faacb92 | 2097 | |
f135c692 | 2098 | #ifdef SH_ARCH_MAGIC_BIG |
9783e04a | 2099 | case bfd_arch_sh: |
d812945a | 2100 | if (bfd_big_endian (abfd)) |
f135c692 ILT |
2101 | *magicp = SH_ARCH_MAGIC_BIG; |
2102 | else | |
2103 | *magicp = SH_ARCH_MAGIC_LITTLE; | |
9faacb92 SC |
2104 | return true; |
2105 | break; | |
2106 | #endif | |
2107 | ||
c188b0be | 2108 | #ifdef SPARCMAGIC |
9783e04a DM |
2109 | case bfd_arch_sparc: |
2110 | *magicp = SPARCMAGIC; | |
c188b0be | 2111 | #ifdef LYNXOS |
9783e04a DM |
2112 | /* Just overwrite the usual value if we're doing Lynx. */ |
2113 | *magicp = LYNXCOFFMAGIC; | |
c188b0be | 2114 | #endif |
9783e04a DM |
2115 | return true; |
2116 | break; | |
c188b0be DM |
2117 | #endif |
2118 | ||
142ce43e SC |
2119 | #ifdef H8500MAGIC |
2120 | case bfd_arch_h8500: | |
2121 | *magicp = H8500MAGIC; | |
2122 | return true; | |
2123 | break; | |
2124 | #endif | |
41f50af0 | 2125 | #ifdef A29K_MAGIC_BIG |
3b4f1a5d | 2126 | case bfd_arch_a29k: |
d812945a | 2127 | if (bfd_big_endian (abfd)) |
9783e04a | 2128 | *magicp = A29K_MAGIC_BIG; |
3b4f1a5d | 2129 | else |
9783e04a | 2130 | *magicp = A29K_MAGIC_LITTLE; |
3b4f1a5d SC |
2131 | return true; |
2132 | break; | |
41f50af0 | 2133 | #endif |
cbdc7909 | 2134 | |
dc999ad9 | 2135 | #ifdef WE32KMAGIC |
9783e04a DM |
2136 | case bfd_arch_we32k: |
2137 | *magicp = WE32KMAGIC; | |
2138 | return true; | |
2139 | break; | |
dc999ad9 ILT |
2140 | #endif |
2141 | ||
cbdc7909 | 2142 | #ifdef U802TOCMAGIC |
9783e04a | 2143 | case bfd_arch_rs6000: |
80b2dd82 | 2144 | #ifndef PPCMAGIC |
09a28207 | 2145 | case bfd_arch_powerpc: |
80b2dd82 | 2146 | #endif |
9783e04a DM |
2147 | *magicp = U802TOCMAGIC; |
2148 | return true; | |
2149 | break; | |
cbdc7909 JG |
2150 | #endif |
2151 | ||
9783e04a DM |
2152 | default: /* Unknown architecture */ |
2153 | /* return false; -- fall through to "return false" below, to avoid | |
cbdc7909 | 2154 | "statement never reached" errors on the one below. */ |
9783e04a DM |
2155 | break; |
2156 | } | |
cbdc7909 | 2157 | |
6f715d66 SC |
2158 | return false; |
2159 | } | |
0f268757 SC |
2160 | |
2161 | ||
9783e04a | 2162 | static boolean |
57a1867e DM |
2163 | coff_set_arch_mach (abfd, arch, machine) |
2164 | bfd * abfd; | |
2165 | enum bfd_architecture arch; | |
2166 | unsigned long machine; | |
6f715d66 | 2167 | { |
9783e04a DM |
2168 | unsigned dummy1; |
2169 | unsigned short dummy2; | |
c16313f0 ILT |
2170 | |
2171 | if (! bfd_default_set_arch_mach (abfd, arch, machine)) | |
2172 | return false; | |
0d740984 SC |
2173 | |
2174 | if (arch != bfd_arch_unknown && | |
9783e04a | 2175 | coff_set_flags (abfd, &dummy1, &dummy2) != true) |
0d740984 | 2176 | return false; /* We can't represent this type */ |
c16313f0 | 2177 | |
0d740984 SC |
2178 | return true; /* We're easy ... */ |
2179 | } | |
0f268757 SC |
2180 | |
2181 | ||
2182 | /* Calculate the file position for each section. */ | |
2183 | ||
e8f2efef ILT |
2184 | #ifndef I960 |
2185 | #define ALIGN_SECTIONS_IN_FILE | |
2186 | #endif | |
2187 | /* start-sanitize-tic80 */ | |
2188 | #ifdef TIC80COFF | |
2189 | #undef ALIGN_SECTIONS_IN_FILE | |
2190 | #endif | |
2191 | /* end-sanitize-tic80 */ | |
2192 | ||
50ede03d | 2193 | static boolean |
57a1867e DM |
2194 | coff_compute_section_file_positions (abfd) |
2195 | bfd * abfd; | |
6f715d66 | 2196 | { |
9783e04a DM |
2197 | asection *current; |
2198 | asection *previous = (asection *) NULL; | |
2199 | file_ptr sofar = FILHSZ; | |
50ede03d | 2200 | boolean align_adjust; |
275143eb | 2201 | |
55c95b04 | 2202 | #ifndef I960 |
9783e04a | 2203 | file_ptr old_sofar; |
55c95b04 | 2204 | #endif |
69645d10 ILT |
2205 | unsigned int count; |
2206 | ||
a418e05d ILT |
2207 | #ifdef RS6000COFF_C |
2208 | /* On XCOFF, if we have symbols, set up the .debug section. */ | |
2209 | if (bfd_get_symcount (abfd) > 0) | |
2210 | { | |
2211 | bfd_size_type sz; | |
2212 | bfd_size_type i, symcount; | |
2213 | asymbol **symp; | |
2214 | ||
2215 | sz = 0; | |
2216 | symcount = bfd_get_symcount (abfd); | |
2217 | for (symp = abfd->outsymbols, i = 0; i < symcount; symp++, i++) | |
2218 | { | |
2219 | coff_symbol_type *cf; | |
2220 | ||
2221 | cf = coff_symbol_from (abfd, *symp); | |
2222 | if (cf != NULL | |
2223 | && cf->native != NULL | |
2224 | && SYMNAME_IN_DEBUG (&cf->native->u.syment)) | |
2225 | { | |
2226 | size_t len; | |
2227 | ||
2228 | len = strlen (bfd_asymbol_name (*symp)); | |
2229 | if (len > SYMNMLEN) | |
2230 | sz += len + 3; | |
2231 | } | |
2232 | } | |
2233 | if (sz > 0) | |
2234 | { | |
2235 | asection *dsec; | |
2236 | ||
2237 | dsec = bfd_make_section_old_way (abfd, ".debug"); | |
2238 | if (dsec == NULL) | |
2239 | abort (); | |
2240 | dsec->_raw_size = sz; | |
2241 | dsec->flags |= SEC_HAS_CONTENTS; | |
2242 | } | |
2243 | } | |
2244 | #endif | |
c7f6ebe2 | 2245 | |
3ea928f5 | 2246 | #ifdef COFF_IMAGE_WITH_PE |
275143eb | 2247 | int page_size; |
c7f6ebe2 SC |
2248 | if (coff_data (abfd)->link_info) |
2249 | { | |
beee31b1 | 2250 | page_size = pe_data (abfd)->pe_opthdr.FileAlignment; |
c7f6ebe2 SC |
2251 | } |
2252 | else | |
2253 | page_size = PE_DEF_FILE_ALIGNMENT; | |
a418e05d ILT |
2254 | #else |
2255 | #ifdef COFF_PAGE_SIZE | |
275143eb | 2256 | int page_size = COFF_PAGE_SIZE; |
a418e05d | 2257 | #endif |
3ea928f5 | 2258 | #endif |
275143eb | 2259 | |
9783e04a DM |
2260 | if (bfd_get_start_address (abfd)) |
2261 | { | |
2262 | /* A start address may have been added to the original file. In this | |
c7f6ebe2 | 2263 | case it will need an optional header to record it. */ |
9783e04a DM |
2264 | abfd->flags |= EXEC_P; |
2265 | } | |
85e0c721 | 2266 | |
e98e6ec1 | 2267 | if (abfd->flags & EXEC_P) |
9783e04a | 2268 | sofar += AOUTSZ; |
dd984644 | 2269 | #ifdef RS6000COFF_C |
867d923d ILT |
2270 | else if (xcoff_data (abfd)->full_aouthdr) |
2271 | sofar += AOUTSZ; | |
dd984644 ILT |
2272 | else |
2273 | sofar += SMALL_AOUTSZ; | |
2274 | #endif | |
cbdc7909 | 2275 | |
e98e6ec1 | 2276 | sofar += abfd->section_count * SCNHSZ; |
c769947b SS |
2277 | |
2278 | #ifdef RS6000COFF_C | |
2279 | /* XCOFF handles overflows in the reloc and line number count fields | |
2280 | by allocating a new section header to hold the correct counts. */ | |
2281 | for (current = abfd->sections; current != NULL; current = current->next) | |
2282 | if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff) | |
2283 | sofar += SCNHSZ; | |
2284 | #endif | |
2285 | ||
50ede03d | 2286 | align_adjust = false; |
69645d10 | 2287 | for (current = abfd->sections, count = 1; |
9783e04a | 2288 | current != (asection *) NULL; |
69645d10 | 2289 | current = current->next, ++count) |
9783e04a | 2290 | { |
d04efb80 ILT |
2291 | #ifdef COFF_IMAGE_WITH_PE |
2292 | /* The NT loader does not want empty section headers, so we omit | |
2293 | them. We don't actually remove the section from the BFD, | |
2294 | although we probably should. This matches code in | |
2295 | coff_write_object_contents. */ | |
2296 | if (current->_raw_size == 0) | |
2297 | { | |
2298 | current->target_index = -1; | |
2299 | --count; | |
2300 | continue; | |
2301 | } | |
2302 | #endif | |
2303 | ||
69645d10 | 2304 | current->target_index = count; |
cbdc7909 | 2305 | |
e98e6ec1 SC |
2306 | /* Only deal with sections which have contents */ |
2307 | if (!(current->flags & SEC_HAS_CONTENTS)) | |
9783e04a | 2308 | continue; |
cbdc7909 | 2309 | |
e98e6ec1 SC |
2310 | /* Align the sections in the file to the same boundary on |
2311 | which they are aligned in virtual memory. I960 doesn't | |
2312 | do this (FIXME) so we can stay in sync with Intel. 960 | |
2313 | doesn't yet page from files... */ | |
e8f2efef | 2314 | #ifdef ALIGN_SECTIONS_IN_FILE |
31a52a51 ILT |
2315 | if ((abfd->flags & EXEC_P) != 0) |
2316 | { | |
2317 | /* make sure this section is aligned on the right boundary - by | |
2318 | padding the previous section up if necessary */ | |
e98e6ec1 | 2319 | |
31a52a51 ILT |
2320 | old_sofar = sofar; |
2321 | sofar = BFD_ALIGN (sofar, 1 << current->alignment_power); | |
2322 | if (previous != (asection *) NULL) | |
2323 | { | |
2324 | previous->_raw_size += sofar - old_sofar; | |
2325 | } | |
2326 | } | |
85e0c721 | 2327 | |
0f268757 | 2328 | #endif |
b5b056fc | 2329 | |
b5b056fc KR |
2330 | /* In demand paged files the low order bits of the file offset |
2331 | must match the low order bits of the virtual address. */ | |
275143eb | 2332 | #ifdef COFF_PAGE_SIZE |
e8fbe6d9 ILT |
2333 | if ((abfd->flags & D_PAGED) != 0 |
2334 | && (current->flags & SEC_ALLOC) != 0) | |
3ea928f5 | 2335 | sofar += (current->vma - sofar) % page_size; |
275143eb | 2336 | #endif |
e98e6ec1 | 2337 | current->filepos = sofar; |
85e0c721 | 2338 | |
34255b70 | 2339 | #ifdef COFF_IMAGE_WITH_PE |
b9110a3c DE |
2340 | /* With PE we have to pad each section to be a multiple of its |
2341 | page size too, and remember both sizes. */ | |
2342 | ||
2343 | if (coff_section_data (abfd, current) == NULL) | |
2344 | { | |
2345 | current->used_by_bfd = | |
2346 | (PTR) bfd_zalloc (abfd, sizeof (struct coff_section_tdata)); | |
2347 | if (current->used_by_bfd == NULL) | |
50ede03d | 2348 | return false; |
b9110a3c DE |
2349 | } |
2350 | if (pei_section_data (abfd, current) == NULL) | |
2351 | { | |
2352 | coff_section_data (abfd, current)->tdata = | |
2353 | (PTR) bfd_zalloc (abfd, sizeof (struct pei_section_tdata)); | |
2354 | if (coff_section_data (abfd, current)->tdata == NULL) | |
50ede03d | 2355 | return false; |
b9110a3c DE |
2356 | } |
2357 | if (pei_section_data (abfd, current)->virt_size == 0) | |
2358 | pei_section_data (abfd, current)->virt_size = current->_raw_size; | |
2359 | ||
beee31b1 SC |
2360 | current->_raw_size = (current->_raw_size + page_size -1) & -page_size; |
2361 | #endif | |
2362 | ||
5e167886 | 2363 | sofar += current->_raw_size; |
beee31b1 | 2364 | |
e8f2efef | 2365 | #ifdef ALIGN_SECTIONS_IN_FILE |
e98e6ec1 | 2366 | /* make sure that this section is of the right size too */ |
51776a11 | 2367 | if ((abfd->flags & EXEC_P) == 0) |
6270adfb ILT |
2368 | { |
2369 | bfd_size_type old_size; | |
2370 | ||
2371 | old_size = current->_raw_size; | |
2372 | current->_raw_size = BFD_ALIGN (current->_raw_size, | |
2373 | 1 << current->alignment_power); | |
50ede03d | 2374 | align_adjust = current->_raw_size != old_size; |
6270adfb ILT |
2375 | sofar += current->_raw_size - old_size; |
2376 | } | |
51776a11 SC |
2377 | else |
2378 | { | |
2379 | old_sofar = sofar; | |
2380 | sofar = BFD_ALIGN (sofar, 1 << current->alignment_power); | |
50ede03d | 2381 | align_adjust = sofar != old_sofar; |
51776a11 SC |
2382 | current->_raw_size += sofar - old_sofar; |
2383 | } | |
5e167886 | 2384 | #endif |
85e0c721 | 2385 | |
46686c78 NC |
2386 | #ifdef COFF_IMAGE_WITH_PE |
2387 | /* For PE we need to make sure we pad out to the aligned | |
2388 | _raw_size, in case the caller only writes out data to the | |
2389 | unaligned _raw_size. */ | |
2390 | if (pei_section_data (abfd, current)->virt_size < current->_raw_size) | |
2391 | align_adjust = true; | |
2392 | #endif | |
2393 | ||
35d835c4 JK |
2394 | #ifdef _LIB |
2395 | /* Force .lib sections to start at zero. The vma is then | |
2396 | incremented in coff_set_section_contents. This is right for | |
2397 | SVR3.2. */ | |
2398 | if (strcmp (current->name, _LIB) == 0) | |
2399 | bfd_set_section_vma (abfd, current, 0); | |
2400 | #endif | |
2401 | ||
e98e6ec1 | 2402 | previous = current; |
85e0c721 | 2403 | } |
89665c85 | 2404 | |
50ede03d ILT |
2405 | /* It is now safe to write to the output file. If we needed an |
2406 | alignment adjustment for the last section, then make sure that | |
2407 | there is a byte at offset sofar. If there are no symbols and no | |
2408 | relocs, then nothing follows the last section. If we don't force | |
2409 | the last byte out, then the file may appear to be truncated. */ | |
2410 | if (align_adjust) | |
2411 | { | |
2412 | bfd_byte b; | |
2413 | ||
2414 | b = 0; | |
2415 | if (bfd_seek (abfd, sofar - 1, SEEK_SET) != 0 | |
2416 | || bfd_write (&b, 1, 1, abfd) != 1) | |
2417 | return false; | |
2418 | } | |
2419 | ||
2420 | /* Make sure the relocations are aligned. We don't need to make | |
2421 | sure that this byte exists, because it will only matter if there | |
2422 | really are relocs. */ | |
35a3e78e ILT |
2423 | sofar = BFD_ALIGN (sofar, 1 << COFF_DEFAULT_SECTION_ALIGNMENT_POWER); |
2424 | ||
9783e04a | 2425 | obj_relocbase (abfd) = sofar; |
69645d10 | 2426 | abfd->output_has_begun = true; |
89665c85 | 2427 | |
50ede03d | 2428 | return true; |
6f715d66 | 2429 | } |
0f268757 | 2430 | |
51776a11 SC |
2431 | #if 0 |
2432 | ||
2433 | /* This can never work, because it is called too late--after the | |
2434 | section positions have been set. I can't figure out what it is | |
2435 | for, so I am going to disable it--Ian Taylor 20 March 1996. */ | |
9783e04a | 2436 | |
8070f29d KR |
2437 | /* If .file, .text, .data, .bss symbols are missing, add them. */ |
2438 | /* @@ Should we only be adding missing symbols, or overriding the aux | |
2439 | values for existing section symbols? */ | |
9783e04a | 2440 | static boolean |
8070f29d KR |
2441 | coff_add_missing_symbols (abfd) |
2442 | bfd *abfd; | |
2443 | { | |
2444 | unsigned int nsyms = bfd_get_symcount (abfd); | |
2445 | asymbol **sympp = abfd->outsymbols; | |
2446 | asymbol **sympp2; | |
2447 | unsigned int i; | |
2448 | int need_text = 1, need_data = 1, need_bss = 1, need_file = 1; | |
0f268757 | 2449 | |
8070f29d KR |
2450 | for (i = 0; i < nsyms; i++) |
2451 | { | |
2452 | coff_symbol_type *csym = coff_symbol_from (abfd, sympp[i]); | |
2453 | CONST char *name; | |
9783e04a | 2454 | if (csym) |
8070f29d | 2455 | { |
9783e04a DM |
2456 | /* only do this if there is a coff representation of the input |
2457 | symbol */ | |
2458 | if (csym->native && csym->native->u.syment.n_sclass == C_FILE) | |
2459 | { | |
2460 | need_file = 0; | |
2461 | continue; | |
2462 | } | |
2463 | name = csym->symbol.name; | |
2464 | if (!name) | |
2465 | continue; | |
2466 | if (!strcmp (name, _TEXT)) | |
2467 | need_text = 0; | |
97eb2f0c | 2468 | #ifdef APOLLO_M68 |
9783e04a DM |
2469 | else if (!strcmp (name, ".wtext")) |
2470 | need_text = 0; | |
97eb2f0c | 2471 | #endif |
9783e04a DM |
2472 | else if (!strcmp (name, _DATA)) |
2473 | need_data = 0; | |
2474 | else if (!strcmp (name, _BSS)) | |
2475 | need_bss = 0; | |
2476 | } | |
8070f29d KR |
2477 | } |
2478 | /* Now i == bfd_get_symcount (abfd). */ | |
2479 | /* @@ For now, don't deal with .file symbol. */ | |
2480 | need_file = 0; | |
2481 | ||
2482 | if (!need_text && !need_data && !need_bss && !need_file) | |
9783e04a | 2483 | return true; |
8070f29d | 2484 | nsyms += need_text + need_data + need_bss + need_file; |
50ede03d | 2485 | sympp2 = (asymbol **) bfd_alloc (abfd, nsyms * sizeof (asymbol *)); |
9783e04a | 2486 | if (!sympp2) |
a9713b91 | 2487 | return false; |
8070f29d KR |
2488 | memcpy (sympp2, sympp, i * sizeof (asymbol *)); |
2489 | if (need_file) | |
2490 | { | |
2491 | /* @@ Generate fake .file symbol, in sympp2[i], and increment i. */ | |
2492 | abort (); | |
2493 | } | |
2494 | if (need_text) | |
2495 | sympp2[i++] = coff_section_symbol (abfd, _TEXT); | |
2496 | if (need_data) | |
2497 | sympp2[i++] = coff_section_symbol (abfd, _DATA); | |
2498 | if (need_bss) | |
2499 | sympp2[i++] = coff_section_symbol (abfd, _BSS); | |
9465d03e | 2500 | BFD_ASSERT (i == nsyms); |
8070f29d | 2501 | bfd_set_symtab (abfd, sympp2, nsyms); |
9783e04a | 2502 | return true; |
8070f29d | 2503 | } |
0f268757 | 2504 | |
51776a11 | 2505 | #endif /* 0 */ |
89665c85 | 2506 | |
0f268757 SC |
2507 | /* SUPPRESS 558 */ |
2508 | /* SUPPRESS 529 */ | |
9783e04a | 2509 | static boolean |
57a1867e DM |
2510 | coff_write_object_contents (abfd) |
2511 | bfd * abfd; | |
e98e6ec1 | 2512 | { |
9783e04a | 2513 | asection *current; |
9783e04a DM |
2514 | boolean hasrelocs = false; |
2515 | boolean haslinno = false; | |
dd984644 | 2516 | file_ptr scn_base; |
9783e04a DM |
2517 | file_ptr reloc_base; |
2518 | file_ptr lineno_base; | |
2519 | file_ptr sym_base; | |
9783e04a DM |
2520 | unsigned long reloc_size = 0; |
2521 | unsigned long lnno_size = 0; | |
b9110a3c | 2522 | boolean long_section_names; |
9783e04a DM |
2523 | asection *text_sec = NULL; |
2524 | asection *data_sec = NULL; | |
2525 | asection *bss_sec = NULL; | |
e98e6ec1 SC |
2526 | struct internal_filehdr internal_f; |
2527 | struct internal_aouthdr internal_a; | |
e8f3bb64 ILT |
2528 | #ifdef COFF_LONG_SECTION_NAMES |
2529 | size_t string_size = STRING_SIZE_SIZE; | |
2530 | #endif | |
cbdc7909 | 2531 | |
57a1867e | 2532 | bfd_set_error (bfd_error_system_call); |
6590a8c9 | 2533 | |
0f268757 SC |
2534 | /* Make a pass through the symbol table to count line number entries and |
2535 | put them into the correct asections */ | |
cbdc7909 | 2536 | |
9783e04a | 2537 | lnno_size = coff_count_linenumbers (abfd) * LINESZ; |
cbdc7909 | 2538 | |
c769947b | 2539 | if (abfd->output_has_begun == false) |
50ede03d ILT |
2540 | { |
2541 | if (! coff_compute_section_file_positions (abfd)) | |
2542 | return false; | |
2543 | } | |
c769947b SS |
2544 | |
2545 | reloc_base = obj_relocbase (abfd); | |
2546 | ||
0f268757 | 2547 | /* Work out the size of the reloc and linno areas */ |
cbdc7909 | 2548 | |
e98e6ec1 | 2549 | for (current = abfd->sections; current != NULL; current = |
9783e04a | 2550 | current->next) |
69645d10 | 2551 | reloc_size += current->reloc_count * RELSZ; |
cbdc7909 | 2552 | |
0f268757 SC |
2553 | lineno_base = reloc_base + reloc_size; |
2554 | sym_base = lineno_base + lnno_size; | |
cbdc7909 | 2555 | |
0f268757 | 2556 | /* Indicate in each section->line_filepos its actual file address */ |
e98e6ec1 | 2557 | for (current = abfd->sections; current != NULL; current = |
9783e04a | 2558 | current->next) |
e98e6ec1 | 2559 | { |
69645d10 | 2560 | if (current->lineno_count) |
9783e04a | 2561 | { |
69645d10 ILT |
2562 | current->line_filepos = lineno_base; |
2563 | current->moving_line_filepos = lineno_base; | |
2564 | lineno_base += current->lineno_count * LINESZ; | |
2565 | } | |
2566 | else | |
2567 | { | |
2568 | current->line_filepos = 0; | |
2569 | } | |
2570 | if (current->reloc_count) | |
2571 | { | |
2572 | current->rel_filepos = reloc_base; | |
2573 | reloc_base += current->reloc_count * RELSZ; | |
2574 | } | |
2575 | else | |
2576 | { | |
2577 | current->rel_filepos = 0; | |
e98e6ec1 | 2578 | } |
0f268757 | 2579 | } |
9783e04a | 2580 | |
e98e6ec1 SC |
2581 | /* Write section headers to the file. */ |
2582 | internal_f.f_nscns = 0; | |
89665c85 | 2583 | |
dd984644 ILT |
2584 | if ((abfd->flags & EXEC_P) != 0) |
2585 | scn_base = FILHSZ + AOUTSZ; | |
2586 | else | |
2587 | { | |
2588 | scn_base = FILHSZ; | |
2589 | #ifdef RS6000COFF_C | |
867d923d ILT |
2590 | if (xcoff_data (abfd)->full_aouthdr) |
2591 | scn_base += AOUTSZ; | |
2592 | else | |
2593 | scn_base += SMALL_AOUTSZ; | |
dd984644 ILT |
2594 | #endif |
2595 | } | |
2596 | ||
2597 | if (bfd_seek (abfd, scn_base, SEEK_SET) != 0) | |
3332ea9c | 2598 | return false; |
cbdc7909 | 2599 | |
b9110a3c | 2600 | long_section_names = false; |
3332ea9c SC |
2601 | for (current = abfd->sections; |
2602 | current != NULL; | |
2603 | current = current->next) | |
2604 | { | |
2605 | struct internal_scnhdr section; | |
69645d10 | 2606 | |
89665c85 | 2607 | #ifdef COFF_WITH_PE |
beee31b1 SC |
2608 | /* If we've got a .reloc section, remember. */ |
2609 | ||
dd984644 | 2610 | #ifdef COFF_IMAGE_WITH_PE |
beee31b1 SC |
2611 | if (strcmp (current->name, ".reloc") == 0) |
2612 | { | |
2613 | pe_data (abfd)->has_reloc_section = 1; | |
2614 | } | |
dd984644 ILT |
2615 | #endif |
2616 | ||
89665c85 | 2617 | #endif |
3332ea9c | 2618 | internal_f.f_nscns++; |
e8f3bb64 ILT |
2619 | |
2620 | strncpy (section.s_name, current->name, SCNNMLEN); | |
2621 | ||
2622 | #ifdef COFF_LONG_SECTION_NAMES | |
2623 | /* Handle long section names as in PE. This must be compatible | |
2624 | with the code in coff_write_symbols. */ | |
2625 | { | |
2626 | size_t len; | |
2627 | ||
2628 | len = strlen (current->name); | |
2629 | if (len > SCNNMLEN) | |
2630 | { | |
2631 | memset (section.s_name, 0, SCNNMLEN); | |
9aac8e83 | 2632 | sprintf (section.s_name, "/%lu", (unsigned long) string_size); |
e8f3bb64 | 2633 | string_size += len + 1; |
b9110a3c | 2634 | long_section_names = true; |
e8f3bb64 ILT |
2635 | } |
2636 | } | |
2637 | #endif | |
2638 | ||
b26059aa | 2639 | #ifdef _LIB |
3332ea9c SC |
2640 | /* Always set s_vaddr of .lib to 0. This is right for SVR3.2 |
2641 | Ian Taylor <ian@cygnus.com>. */ | |
2642 | if (strcmp (current->name, _LIB) == 0) | |
2643 | section.s_vaddr = 0; | |
2644 | else | |
69645d10 | 2645 | #endif |
010a405a | 2646 | section.s_vaddr = current->vma; |
3332ea9c | 2647 | section.s_paddr = current->lma; |
beee31b1 SC |
2648 | section.s_size = current->_raw_size; |
2649 | ||
2650 | #ifdef COFF_WITH_PE | |
34255b70 JL |
2651 | section.s_paddr = 0; |
2652 | #endif | |
2653 | #ifdef COFF_IMAGE_WITH_PE | |
b9110a3c DE |
2654 | /* Reminder: s_paddr holds the virtual size of the section. */ |
2655 | if (coff_section_data (abfd, current) != NULL | |
2656 | && pei_section_data (abfd, current) != NULL) | |
2657 | section.s_paddr = pei_section_data (abfd, current)->virt_size; | |
2658 | else | |
2659 | section.s_paddr = 0; | |
beee31b1 | 2660 | #endif |
3332ea9c SC |
2661 | |
2662 | /* | |
2663 | If this section has no size or is unloadable then the scnptr | |
2664 | will be 0 too | |
2665 | */ | |
2666 | if (current->_raw_size == 0 || | |
2667 | (current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
2668 | { | |
2669 | section.s_scnptr = 0; | |
2670 | } | |
2671 | else | |
2672 | { | |
2673 | section.s_scnptr = current->filepos; | |
2674 | } | |
2675 | section.s_relptr = current->rel_filepos; | |
2676 | section.s_lnnoptr = current->line_filepos; | |
2677 | section.s_nreloc = current->reloc_count; | |
2678 | section.s_nlnno = current->lineno_count; | |
2679 | if (current->reloc_count != 0) | |
2680 | hasrelocs = true; | |
2681 | if (current->lineno_count != 0) | |
2682 | haslinno = true; | |
2683 | ||
c769947b SS |
2684 | #ifdef RS6000COFF_C |
2685 | /* Indicate the use of an XCOFF overflow section header. */ | |
2686 | if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff) | |
2687 | { | |
2688 | section.s_nreloc = 0xffff; | |
2689 | section.s_nlnno = 0xffff; | |
2690 | } | |
2691 | #endif | |
2692 | ||
3332ea9c SC |
2693 | section.s_flags = sec_to_styp_flags (current->name, current->flags); |
2694 | ||
2695 | if (!strcmp (current->name, _TEXT)) | |
2696 | { | |
2697 | text_sec = current; | |
2698 | } | |
2699 | else if (!strcmp (current->name, _DATA)) | |
2700 | { | |
2701 | data_sec = current; | |
3332ea9c SC |
2702 | } |
2703 | else if (!strcmp (current->name, _BSS)) | |
2704 | { | |
2705 | bss_sec = current; | |
2706 | } | |
cbdc7909 | 2707 | |
0f268757 | 2708 | #ifdef I960 |
3332ea9c SC |
2709 | section.s_align = (current->alignment_power |
2710 | ? 1 << current->alignment_power | |
2711 | : 0); | |
c4188c2a FF |
2712 | /* start-sanitize-tic80 */ |
2713 | #else | |
2714 | #ifdef TIC80COFF | |
2715 | section.s_flags |= (current->alignment_power & 0xF) << 8; | |
2716 | #endif | |
2717 | /* end-sanitize-tic80 */ | |
3332ea9c | 2718 | #endif |
0f268757 | 2719 | |
3332ea9c SC |
2720 | #ifdef COFF_IMAGE_WITH_PE |
2721 | /* suppress output of the sections if they are null. ld includes | |
2722 | the bss and data sections even if there is no size assigned | |
2723 | to them. NT loader doesn't like it if these section headers are | |
2724 | included if the sections themselves are not needed */ | |
2725 | if (section.s_size == 0) | |
2726 | internal_f.f_nscns--; | |
2727 | else | |
0f268757 | 2728 | #endif |
69645d10 ILT |
2729 | { |
2730 | SCNHDR buff; | |
3332ea9c SC |
2731 | if (coff_swap_scnhdr_out (abfd, §ion, &buff) == 0 |
2732 | || bfd_write ((PTR) (&buff), 1, SCNHSZ, abfd) != SCNHSZ) | |
2733 | return false; | |
69645d10 | 2734 | } |
5a28331f ILT |
2735 | |
2736 | #ifdef COFF_WITH_PE | |
2737 | /* PE stores COMDAT section information in the symbol table. If | |
2738 | this section is supposed to have some COMDAT info, track down | |
2739 | the symbol in the symbol table and modify it. */ | |
2740 | if ((current->flags & SEC_LINK_ONCE) != 0) | |
2741 | { | |
2742 | unsigned int i, count; | |
2743 | asymbol **psym; | |
9c7a5748 | 2744 | coff_symbol_type *csym; |
5a28331f ILT |
2745 | |
2746 | count = bfd_get_symcount (abfd); | |
2747 | for (i = 0, psym = abfd->outsymbols; i < count; i++, psym++) | |
2748 | { | |
9c7a5748 | 2749 | /* Here *PSYM is the section symbol for CURRENT. */ |
5a28331f | 2750 | |
9c7a5748 DE |
2751 | if (strcmp ((*psym)->name, current->name) == 0) |
2752 | { | |
2753 | csym = coff_symbol_from (abfd, *psym); | |
2754 | if (csym == NULL | |
2755 | || csym->native == NULL | |
2756 | || csym->native->u.syment.n_numaux < 1 | |
2757 | || csym->native->u.syment.n_sclass != C_STAT | |
2758 | || csym->native->u.syment.n_type != T_NULL) | |
2759 | continue; | |
2760 | break; | |
2761 | } | |
2762 | } | |
5a28331f | 2763 | |
9c7a5748 DE |
2764 | /* Did we find it? |
2765 | Note that we might not if we're converting the file from | |
2766 | some other object file format. */ | |
2767 | if (i < count) | |
2768 | { | |
2769 | combined_entry_type *aux; | |
5a28331f ILT |
2770 | |
2771 | /* We don't touch the x_checksum field. The | |
9c7a5748 | 2772 | x_associated field is not currently supported. */ |
5a28331f ILT |
2773 | |
2774 | aux = csym->native + 1; | |
2775 | switch (current->flags & SEC_LINK_DUPLICATES) | |
2776 | { | |
2777 | case SEC_LINK_DUPLICATES_DISCARD: | |
2778 | aux->u.auxent.x_scn.x_comdat = IMAGE_COMDAT_SELECT_ANY; | |
2779 | break; | |
2780 | ||
2781 | case SEC_LINK_DUPLICATES_ONE_ONLY: | |
2782 | aux->u.auxent.x_scn.x_comdat = | |
2783 | IMAGE_COMDAT_SELECT_NODUPLICATES; | |
2784 | break; | |
2785 | ||
2786 | case SEC_LINK_DUPLICATES_SAME_SIZE: | |
2787 | aux->u.auxent.x_scn.x_comdat = | |
2788 | IMAGE_COMDAT_SELECT_SAME_SIZE; | |
2789 | break; | |
2790 | ||
2791 | case SEC_LINK_DUPLICATES_SAME_CONTENTS: | |
2792 | aux->u.auxent.x_scn.x_comdat = | |
2793 | IMAGE_COMDAT_SELECT_EXACT_MATCH; | |
2794 | break; | |
2795 | } | |
2796 | } | |
2797 | } | |
2798 | #endif /* COFF_WITH_PE */ | |
3332ea9c SC |
2799 | } |
2800 | ||
c769947b SS |
2801 | #ifdef RS6000COFF_C |
2802 | /* XCOFF handles overflows in the reloc and line number count fields | |
2803 | by creating a new section header to hold the correct values. */ | |
2804 | for (current = abfd->sections; current != NULL; current = current->next) | |
2805 | { | |
2806 | if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff) | |
2807 | { | |
2808 | struct internal_scnhdr scnhdr; | |
2809 | SCNHDR buff; | |
e98e6ec1 | 2810 | |
c769947b SS |
2811 | internal_f.f_nscns++; |
2812 | strncpy (&(scnhdr.s_name[0]), current->name, 8); | |
2813 | scnhdr.s_paddr = current->reloc_count; | |
2814 | scnhdr.s_vaddr = current->lineno_count; | |
2815 | scnhdr.s_size = 0; | |
2816 | scnhdr.s_scnptr = 0; | |
2817 | scnhdr.s_relptr = current->rel_filepos; | |
2818 | scnhdr.s_lnnoptr = current->line_filepos; | |
2819 | scnhdr.s_nreloc = current->target_index; | |
2820 | scnhdr.s_nlnno = current->target_index; | |
2821 | scnhdr.s_flags = STYP_OVRFLO; | |
2822 | if (coff_swap_scnhdr_out (abfd, &scnhdr, &buff) == 0 | |
2823 | || bfd_write ((PTR) &buff, 1, SCNHSZ, abfd) != SCNHSZ) | |
2824 | return false; | |
2825 | } | |
2826 | } | |
2827 | #endif | |
0f268757 SC |
2828 | |
2829 | /* OK, now set up the filehdr... */ | |
e98e6ec1 SC |
2830 | |
2831 | /* Don't include the internal abs section in the section count */ | |
2832 | ||
0f268757 | 2833 | /* |
89665c85 SC |
2834 | We will NOT put a fucking timestamp in the header here. Every time you |
2835 | put it back, I will come in and take it out again. I'm sorry. This | |
2836 | field does not belong here. We fill it with a 0 so it compares the | |
2837 | same but is not a reasonable time. -- gnu@cygnus.com | |
2838 | */ | |
5944d75b | 2839 | internal_f.f_timdat = 0; |
0f268757 | 2840 | |
0f268757 SC |
2841 | internal_f.f_flags = 0; |
2842 | ||
2843 | if (abfd->flags & EXEC_P) | |
9783e04a | 2844 | internal_f.f_opthdr = AOUTSZ; |
0f268757 | 2845 | else |
dd984644 ILT |
2846 | { |
2847 | internal_f.f_opthdr = 0; | |
2848 | #ifdef RS6000COFF_C | |
867d923d ILT |
2849 | if (xcoff_data (abfd)->full_aouthdr) |
2850 | internal_f.f_opthdr = AOUTSZ; | |
2851 | else | |
2852 | internal_f.f_opthdr = SMALL_AOUTSZ; | |
dd984644 ILT |
2853 | #endif |
2854 | } | |
0f268757 SC |
2855 | |
2856 | if (!hasrelocs) | |
9783e04a | 2857 | internal_f.f_flags |= F_RELFLG; |
0f268757 | 2858 | if (!haslinno) |
9783e04a | 2859 | internal_f.f_flags |= F_LNNO; |
0f268757 | 2860 | if (abfd->flags & EXEC_P) |
9783e04a | 2861 | internal_f.f_flags |= F_EXEC; |
a0f3f080 | 2862 | |
d6f41a7d | 2863 | /* FIXME: this is wrong for PPC_PE! */ |
d812945a | 2864 | if (bfd_little_endian (abfd)) |
9783e04a DM |
2865 | internal_f.f_flags |= F_AR32WR; |
2866 | else | |
2867 | internal_f.f_flags |= F_AR32W; | |
a0f3f080 | 2868 | |
c4188c2a FF |
2869 | /* start-sanitize-tic80 */ |
2870 | #ifdef TIC80_TARGET_ID | |
2871 | internal_f.f_target_id = TIC80_TARGET_ID; | |
2872 | #endif | |
2873 | /* end-sanitize-tic80 */ | |
2874 | ||
0f268757 | 2875 | /* |
89665c85 SC |
2876 | FIXME, should do something about the other byte orders and |
2877 | architectures. | |
2878 | */ | |
0f268757 | 2879 | |
5f710a3a ILT |
2880 | #ifdef RS6000COFF_C |
2881 | if ((abfd->flags & DYNAMIC) != 0) | |
2882 | internal_f.f_flags |= F_SHROBJ; | |
2883 | if (bfd_get_section_by_name (abfd, _LOADER) != NULL) | |
2884 | internal_f.f_flags |= F_DYNLOAD; | |
2885 | #endif | |
2886 | ||
ab31ae53 KR |
2887 | memset (&internal_a, 0, sizeof internal_a); |
2888 | ||
0f268757 SC |
2889 | /* Set up architecture-dependent stuff */ |
2890 | ||
9783e04a DM |
2891 | { |
2892 | unsigned int magic = 0; | |
2893 | unsigned short flags = 0; | |
2894 | coff_set_flags (abfd, &magic, &flags); | |
2895 | internal_f.f_magic = magic; | |
2896 | internal_f.f_flags |= flags; | |
2897 | /* ...and the "opt"hdr... */ | |
0f268757 | 2898 | |
cbdc7909 | 2899 | #ifdef A29K |
9783e04a DM |
2900 | #ifdef ULTRA3 /* NYU's machine */ |
2901 | /* FIXME: This is a bogus check. I really want to see if there | |
89665c85 SC |
2902 | * is a .shbss or a .shdata section, if so then set the magic |
2903 | * number to indicate a shared data executable. | |
2904 | */ | |
9783e04a | 2905 | if (internal_f.f_nscns >= 7) |
89665c85 | 2906 | internal_a.magic = SHMAGIC; /* Shared magic */ |
9783e04a DM |
2907 | else |
2908 | #endif /* ULTRA3 */ | |
89665c85 | 2909 | internal_a.magic = NMAGIC; /* Assume separate i/d */ |
41f50af0 | 2910 | #define __A_MAGIC_SET__ |
9783e04a | 2911 | #endif /* A29K */ |
c4188c2a FF |
2912 | /* start-sanitize-tic80 */ |
2913 | #ifdef TIC80COFF | |
35a3e78e | 2914 | internal_a.magic = TIC80_ARCH_MAGIC; |
5a608f5b FF |
2915 | #define __A_MAGIC_SET__ |
2916 | #endif /* TIC80 */ | |
c4188c2a | 2917 | /* end-sanitize-tic80 */ |
cf587de8 ILT |
2918 | #ifdef I860 |
2919 | /* FIXME: What are the a.out magic numbers for the i860? */ | |
2920 | internal_a.magic = 0; | |
2921 | #define __A_MAGIC_SET__ | |
2922 | #endif /* I860 */ | |
0f268757 | 2923 | #ifdef I960 |
9783e04a | 2924 | internal_a.magic = (magic == I960ROMAGIC ? NMAGIC : OMAGIC); |
41f50af0 | 2925 | #define __A_MAGIC_SET__ |
9783e04a | 2926 | #endif /* I960 */ |
0f268757 | 2927 | #if M88 |
41f50af0 | 2928 | #define __A_MAGIC_SET__ |
9783e04a DM |
2929 | internal_a.magic = PAGEMAGICBCS; |
2930 | #endif /* M88 */ | |
41f50af0 | 2931 | |
97eb2f0c KR |
2932 | #if APOLLO_M68 |
2933 | #define __A_MAGIC_SET__ | |
9783e04a | 2934 | internal_a.magic = APOLLO_COFF_VERSION_NUMBER; |
97eb2f0c KR |
2935 | #endif |
2936 | ||
e8fbe6d9 | 2937 | #if defined(M68) || defined(WE32K) || defined(M68K) |
41f50af0 | 2938 | #define __A_MAGIC_SET__ |
e8fbe6d9 ILT |
2939 | #if defined(LYNXOS) |
2940 | internal_a.magic = LYNXCOFFMAGIC; | |
7f82c7e1 | 2941 | #else |
d19df9b5 ILT |
2942 | #if defined(TARG_AUX) |
2943 | internal_a.magic = (abfd->flags & D_PAGED ? PAGEMAGICPEXECPAGED : | |
2944 | abfd->flags & WP_TEXT ? PAGEMAGICPEXECSWAPPED : | |
2945 | PAGEMAGICEXECSWAPPED); | |
2946 | #else | |
7f82c7e1 ILT |
2947 | #if defined (PAGEMAGICPEXECPAGED) |
2948 | internal_a.magic = PAGEMAGICPEXECPAGED; | |
2949 | #endif | |
d19df9b5 | 2950 | #endif /* TARG_AUX */ |
fa0c23eb | 2951 | #endif /* LYNXOS */ |
89665c85 | 2952 | #endif /* M68 || WE32K || M68K */ |
8ad2a31d | 2953 | |
89665c85 SC |
2954 | #if defined(ARM) |
2955 | #define __A_MAGIC_SET__ | |
2956 | internal_a.magic = ZMAGIC; | |
2957 | #endif | |
46686c78 | 2958 | |
221d1e19 | 2959 | #if defined(PPC_PE) |
80b2dd82 | 2960 | #define __A_MAGIC_SET__ |
d6f41a7d | 2961 | internal_a.magic = IMAGE_NT_OPTIONAL_HDR_MAGIC; |
80b2dd82 | 2962 | #endif |
46686c78 | 2963 | |
e8fbe6d9 | 2964 | #if defined(I386) |
9783e04a | 2965 | #define __A_MAGIC_SET__ |
e8fbe6d9 ILT |
2966 | #if defined(LYNXOS) |
2967 | internal_a.magic = LYNXCOFFMAGIC; | |
89665c85 | 2968 | #else /* LYNXOS */ |
9783e04a | 2969 | internal_a.magic = ZMAGIC; |
e8fbe6d9 | 2970 | #endif /* LYNXOS */ |
8ad2a31d | 2971 | #endif /* I386 */ |
41f50af0 | 2972 | |
e8fbe6d9 ILT |
2973 | #if defined(SPARC) |
2974 | #define __A_MAGIC_SET__ | |
2975 | #if defined(LYNXOS) | |
89665c85 SC |
2976 | internal_a.magic = LYNXCOFFMAGIC; |
2977 | #endif /* LYNXOS */ | |
2978 | #endif /* SPARC */ | |
e8fbe6d9 | 2979 | |
c4188c2a | 2980 | #ifdef RS6000COFF_C |
cbdc7909 | 2981 | #define __A_MAGIC_SET__ |
9783e04a | 2982 | internal_a.magic = (abfd->flags & D_PAGED) ? RS6K_AOUTHDR_ZMAGIC : |
89665c85 SC |
2983 | (abfd->flags & WP_TEXT) ? RS6K_AOUTHDR_NMAGIC : |
2984 | RS6K_AOUTHDR_OMAGIC; | |
cbdc7909 JG |
2985 | #endif |
2986 | ||
41f50af0 | 2987 | #ifndef __A_MAGIC_SET__ |
9783e04a | 2988 | #include "Your aouthdr magic number is not being set!" |
41f50af0 | 2989 | #else |
9783e04a | 2990 | #undef __A_MAGIC_SET__ |
0f268757 | 2991 | #endif |
9783e04a | 2992 | } |
e18c4e8f ILT |
2993 | |
2994 | /* FIXME: Does anybody ever set this to another value? */ | |
2995 | internal_a.vstamp = 0; | |
2996 | ||
0f268757 | 2997 | /* Now should write relocs, strings, syms */ |
9783e04a DM |
2998 | obj_sym_filepos (abfd) = sym_base; |
2999 | ||
3000 | if (bfd_get_symcount (abfd) != 0) | |
3001 | { | |
89665c85 | 3002 | int firstundef; |
51776a11 | 3003 | #if 0 |
9783e04a DM |
3004 | if (!coff_add_missing_symbols (abfd)) |
3005 | return false; | |
3006 | #endif | |
89665c85 | 3007 | if (!coff_renumber_symbols (abfd, &firstundef)) |
9783e04a DM |
3008 | return false; |
3009 | coff_mangle_symbols (abfd); | |
bfe8224f ILT |
3010 | if (! coff_write_symbols (abfd)) |
3011 | return false; | |
791a3db4 ILT |
3012 | if (! coff_write_linenumbers (abfd)) |
3013 | return false; | |
89665c85 | 3014 | if (! coff_write_relocs (abfd, firstundef)) |
9783e04a | 3015 | return false; |
e98e6ec1 | 3016 | } |
a418e05d | 3017 | #ifdef COFF_IMAGE_WITH_PE |
221d1e19 | 3018 | #ifdef PPC_PE |
a418e05d ILT |
3019 | else if ((abfd->flags & EXEC_P) != 0) |
3020 | { | |
3021 | bfd_byte b; | |
3022 | ||
3023 | /* PowerPC PE appears to require that all executable files be | |
3024 | rounded up to the page size. */ | |
3025 | b = 0; | |
3026 | if (bfd_seek (abfd, | |
3027 | BFD_ALIGN (sym_base, COFF_PAGE_SIZE) - 1, | |
3028 | SEEK_SET) != 0 | |
3029 | || bfd_write (&b, 1, 1, abfd) != 1) | |
3030 | return false; | |
3031 | } | |
3032 | #endif | |
3033 | #endif | |
6ceff8e7 ILT |
3034 | |
3035 | /* If bfd_get_symcount (abfd) != 0, then we are not using the COFF | |
3036 | backend linker, and obj_raw_syment_count is not valid until after | |
3037 | coff_write_symbols is called. */ | |
3038 | if (obj_raw_syment_count (abfd) != 0) | |
7860fe38 ILT |
3039 | { |
3040 | internal_f.f_symptr = sym_base; | |
3041 | #ifdef RS6000COFF_C | |
3042 | /* AIX appears to require that F_RELFLG not be set if there are | |
3043 | local symbols but no relocations. */ | |
3044 | internal_f.f_flags &=~ F_RELFLG; | |
3045 | #endif | |
3046 | } | |
6ceff8e7 ILT |
3047 | else |
3048 | { | |
b9110a3c DE |
3049 | if (long_section_names) |
3050 | internal_f.f_symptr = sym_base; | |
3051 | else | |
3052 | internal_f.f_symptr = 0; | |
6ceff8e7 ILT |
3053 | internal_f.f_flags |= F_LSYMS; |
3054 | } | |
3055 | ||
9783e04a DM |
3056 | if (text_sec) |
3057 | { | |
3058 | internal_a.tsize = bfd_get_section_size_before_reloc (text_sec); | |
e9614321 | 3059 | internal_a.text_start = internal_a.tsize ? text_sec->vma : 0; |
e98e6ec1 | 3060 | } |
9783e04a DM |
3061 | if (data_sec) |
3062 | { | |
3063 | internal_a.dsize = bfd_get_section_size_before_reloc (data_sec); | |
e9614321 | 3064 | internal_a.data_start = internal_a.dsize ? data_sec->vma : 0; |
e98e6ec1 | 3065 | } |
9783e04a DM |
3066 | if (bss_sec) |
3067 | { | |
3068 | internal_a.bsize = bfd_get_section_size_before_reloc (bss_sec); | |
28a0c103 ILT |
3069 | if (internal_a.bsize && bss_sec->vma < internal_a.data_start) |
3070 | internal_a.data_start = bss_sec->vma; | |
e98e6ec1 | 3071 | } |
0f268757 | 3072 | |
e9614321 | 3073 | internal_a.entry = bfd_get_start_address (abfd); |
69645d10 | 3074 | internal_f.f_nsyms = obj_raw_syment_count (abfd); |
0f268757 | 3075 | |
5f710a3a | 3076 | #ifdef RS6000COFF_C |
867d923d | 3077 | if (xcoff_data (abfd)->full_aouthdr) |
5f710a3a | 3078 | { |
867d923d | 3079 | bfd_vma toc; |
5f710a3a ILT |
3080 | asection *loader_sec; |
3081 | ||
7906bf87 ILT |
3082 | internal_a.vstamp = 1; |
3083 | ||
d19df9b5 ILT |
3084 | internal_a.o_snentry = xcoff_data (abfd)->snentry; |
3085 | if (internal_a.o_snentry == 0) | |
3086 | internal_a.entry = (bfd_vma) -1; | |
867d923d | 3087 | |
5f710a3a ILT |
3088 | if (text_sec != NULL) |
3089 | { | |
3090 | internal_a.o_sntext = text_sec->target_index; | |
3091 | internal_a.o_algntext = bfd_get_section_alignment (abfd, text_sec); | |
3092 | } | |
3093 | else | |
3094 | { | |
3095 | internal_a.o_sntext = 0; | |
3096 | internal_a.o_algntext = 0; | |
3097 | } | |
3098 | if (data_sec != NULL) | |
3099 | { | |
3100 | internal_a.o_sndata = data_sec->target_index; | |
3101 | internal_a.o_algndata = bfd_get_section_alignment (abfd, data_sec); | |
3102 | } | |
3103 | else | |
3104 | { | |
3105 | internal_a.o_sndata = 0; | |
3106 | internal_a.o_algndata = 0; | |
3107 | } | |
3108 | loader_sec = bfd_get_section_by_name (abfd, ".loader"); | |
3109 | if (loader_sec != NULL) | |
3110 | internal_a.o_snloader = loader_sec->target_index; | |
3111 | else | |
3112 | internal_a.o_snloader = 0; | |
3113 | if (bss_sec != NULL) | |
3114 | internal_a.o_snbss = bss_sec->target_index; | |
3115 | else | |
3116 | internal_a.o_snbss = 0; | |
3117 | ||
3118 | toc = xcoff_data (abfd)->toc; | |
3119 | internal_a.o_toc = toc; | |
d19df9b5 | 3120 | internal_a.o_sntoc = xcoff_data (abfd)->sntoc; |
5f710a3a ILT |
3121 | |
3122 | internal_a.o_modtype = xcoff_data (abfd)->modtype; | |
dd984644 ILT |
3123 | if (xcoff_data (abfd)->cputype != -1) |
3124 | internal_a.o_cputype = xcoff_data (abfd)->cputype; | |
3125 | else | |
3126 | { | |
3127 | switch (bfd_get_arch (abfd)) | |
3128 | { | |
3129 | case bfd_arch_rs6000: | |
3130 | internal_a.o_cputype = 4; | |
3131 | break; | |
3132 | case bfd_arch_powerpc: | |
3133 | if (bfd_get_mach (abfd) == 0) | |
3134 | internal_a.o_cputype = 3; | |
3135 | else | |
3136 | internal_a.o_cputype = 1; | |
3137 | break; | |
3138 | default: | |
3139 | abort (); | |
3140 | } | |
3141 | } | |
5f710a3a ILT |
3142 | internal_a.o_maxstack = xcoff_data (abfd)->maxstack; |
3143 | internal_a.o_maxdata = xcoff_data (abfd)->maxdata; | |
3144 | } | |
3145 | #endif | |
3146 | ||
0f268757 | 3147 | /* now write them */ |
9783e04a DM |
3148 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) |
3149 | return false; | |
3150 | { | |
51776a11 | 3151 | char buff[FILHSZ]; |
e8f3bb64 ILT |
3152 | coff_swap_filehdr_out (abfd, (PTR) & internal_f, (PTR) buff); |
3153 | if (bfd_write ((PTR) buff, 1, FILHSZ, abfd) != FILHSZ) | |
791a3db4 | 3154 | return false; |
9783e04a DM |
3155 | } |
3156 | if (abfd->flags & EXEC_P) | |
3157 | { | |
51776a11 SC |
3158 | /* Note that peicode.h fills in a PEAOUTHDR, not an AOUTHDR. |
3159 | include/coff/pe.h sets AOUTSZ == sizeof(PEAOUTHDR)) */ | |
3160 | char buff[AOUTSZ]; | |
e8f3bb64 ILT |
3161 | coff_swap_aouthdr_out (abfd, (PTR) & internal_a, (PTR) buff); |
3162 | if (bfd_write ((PTR) buff, 1, AOUTSZ, abfd) != AOUTSZ) | |
791a3db4 | 3163 | return false; |
e98e6ec1 | 3164 | } |
dd984644 ILT |
3165 | #ifdef RS6000COFF_C |
3166 | else | |
3167 | { | |
3168 | AOUTHDR buff; | |
867d923d ILT |
3169 | size_t size; |
3170 | ||
dd984644 ILT |
3171 | /* XCOFF seems to always write at least a small a.out header. */ |
3172 | coff_swap_aouthdr_out (abfd, (PTR) &internal_a, (PTR) &buff); | |
867d923d ILT |
3173 | if (xcoff_data (abfd)->full_aouthdr) |
3174 | size = AOUTSZ; | |
3175 | else | |
3176 | size = SMALL_AOUTSZ; | |
3177 | if (bfd_write ((PTR) &buff, 1, size, abfd) != size) | |
dd984644 ILT |
3178 | return false; |
3179 | } | |
3180 | #endif | |
89665c85 | 3181 | |
0f268757 | 3182 | return true; |
6f715d66 SC |
3183 | } |
3184 | ||
9783e04a | 3185 | static boolean |
57a1867e DM |
3186 | coff_set_section_contents (abfd, section, location, offset, count) |
3187 | bfd * abfd; | |
3188 | sec_ptr section; | |
3189 | PTR location; | |
3190 | file_ptr offset; | |
3191 | bfd_size_type count; | |
0f268757 | 3192 | { |
9783e04a | 3193 | if (abfd->output_has_begun == false) /* set by bfd.c handler */ |
50ede03d ILT |
3194 | { |
3195 | if (! coff_compute_section_file_positions (abfd)) | |
3196 | return false; | |
3197 | } | |
cbdc7909 | 3198 | |
7f21c97c | 3199 | #if defined(_LIB) && !defined(TARG_AUX) |
5eb83ede ILT |
3200 | |
3201 | /* The physical address field of a .lib section is used to hold the | |
3202 | number of shared libraries in the section. This code counts the | |
3203 | number of sections being written, and increments the lma field | |
3204 | with the number. | |
3205 | ||
3206 | I have found no documentation on the contents of this section. | |
3207 | Experimentation indicates that the section contains zero or more | |
3208 | records, each of which has the following structure: | |
3209 | ||
3210 | - a (four byte) word holding the length of this record, in words, | |
3211 | - a word that always seems to be set to "2", | |
3212 | - the path to a shared library, null-terminated and then padded | |
3213 | to a whole word boundary. | |
3214 | ||
3215 | bfd_assert calls have been added to alert if an attempt is made | |
3216 | to write a section which doesn't follow these assumptions. The | |
3217 | code has been tested on ISC 4.1 by me, and on SCO by Robert Lipe | |
3218 | <robertl@arnet.com> (Thanks!). | |
3219 | ||
3220 | Gvran Uddeborg <gvran@uddeborg.pp.se> */ | |
3221 | ||
3222 | if (strcmp (section->name, _LIB) == 0) | |
3223 | { | |
3224 | bfd_byte *rec, *recend; | |
3225 | ||
3226 | rec = (bfd_byte *) location; | |
3227 | recend = rec + count; | |
3228 | while (rec < recend) | |
3229 | { | |
5eb83ede | 3230 | ++section->lma; |
5a4d8c40 | 3231 | rec += bfd_get_32 (abfd, rec) * 4; |
5eb83ede ILT |
3232 | } |
3233 | ||
3234 | BFD_ASSERT (rec == recend); | |
3235 | } | |
3236 | ||
075caafd | 3237 | #endif |
0f268757 | 3238 | |
9783e04a DM |
3239 | /* Don't write out bss sections - one way to do this is to |
3240 | see if the filepos has not been set. */ | |
3241 | if (section->filepos == 0) | |
3242 | return true; | |
55c95b04 | 3243 | |
791a3db4 ILT |
3244 | if (bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET) != 0) |
3245 | return false; | |
7a8b18b6 | 3246 | |
9783e04a DM |
3247 | if (count != 0) |
3248 | { | |
3249 | return (bfd_write (location, 1, count, abfd) == count) ? true : false; | |
075caafd | 3250 | } |
9783e04a | 3251 | return true; |
075caafd ILT |
3252 | } |
3253 | #if 0 | |
9783e04a DM |
3254 | static boolean |
3255 | coff_close_and_cleanup (abfd) | |
3256 | bfd *abfd; | |
0f268757 | 3257 | { |
9783e04a DM |
3258 | if (!bfd_read_p (abfd)) |
3259 | switch (abfd->format) | |
3260 | { | |
3261 | case bfd_archive: | |
3262 | if (!_bfd_write_archive_contents (abfd)) | |
3263 | return false; | |
3264 | break; | |
3265 | case bfd_object: | |
3266 | if (!coff_write_object_contents (abfd)) | |
3267 | return false; | |
3268 | break; | |
3269 | default: | |
57a1867e | 3270 | bfd_set_error (bfd_error_invalid_operation); |
075caafd | 3271 | return false; |
9783e04a | 3272 | } |
075caafd | 3273 | |
508539ab | 3274 | /* We depend on bfd_close to free all the memory on the objalloc. */ |
075caafd | 3275 | return true; |
0f268757 SC |
3276 | } |
3277 | ||
075caafd ILT |
3278 | #endif |
3279 | ||
3280 | static PTR | |
9783e04a DM |
3281 | buy_and_read (abfd, where, seek_direction, size) |
3282 | bfd *abfd; | |
3283 | file_ptr where; | |
3284 | int seek_direction; | |
3285 | size_t size; | |
075caafd | 3286 | { |
9783e04a DM |
3287 | PTR area = (PTR) bfd_alloc (abfd, size); |
3288 | if (!area) | |
a9713b91 | 3289 | return (NULL); |
791a3db4 ILT |
3290 | if (bfd_seek (abfd, where, seek_direction) != 0 |
3291 | || bfd_read (area, 1, size, abfd) != size) | |
3292 | return (NULL); | |
9783e04a | 3293 | return (area); |
075caafd | 3294 | } /* buy_and_read() */ |
0f268757 | 3295 | |
9fda1a39 | 3296 | /* |
9783e04a | 3297 | SUBSUBSECTION |
c188b0be | 3298 | Reading linenumbers |
9fda1a39 | 3299 | |
9fda1a39 SC |
3300 | Creating the linenumber table is done by reading in the entire |
3301 | coff linenumber table, and creating another table for internal use. | |
6f715d66 | 3302 | |
c188b0be | 3303 | A coff linenumber table is structured so that each function |
9fda1a39 SC |
3304 | is marked as having a line number of 0. Each line within the |
3305 | function is an offset from the first line in the function. The | |
3306 | base of the line number information for the table is stored in | |
9783e04a | 3307 | the symbol associated with the function. |
6f715d66 | 3308 | |
9fda1a39 SC |
3309 | The information is copied from the external to the internal |
3310 | table, and each symbol which marks a function is marked by | |
3311 | pointing its... | |
6f715d66 | 3312 | |
9fda1a39 | 3313 | How does this work ? |
6f715d66 SC |
3314 | |
3315 | */ | |
0f268757 SC |
3316 | |
3317 | static boolean | |
9783e04a | 3318 | coff_slurp_line_table (abfd, asect) |
ab31ae53 KR |
3319 | bfd *abfd; |
3320 | asection *asect; | |
3321 | { | |
9783e04a | 3322 | LINENO *native_lineno; |
ab31ae53 KR |
3323 | alent *lineno_cache; |
3324 | ||
9783e04a | 3325 | BFD_ASSERT (asect->lineno == (alent *) NULL); |
ab31ae53 | 3326 | |
9783e04a DM |
3327 | native_lineno = (LINENO *) buy_and_read (abfd, |
3328 | asect->line_filepos, | |
3329 | SEEK_SET, | |
3330 | (size_t) (LINESZ * | |
3331 | asect->lineno_count)); | |
ab31ae53 | 3332 | lineno_cache = |
9783e04a | 3333 | (alent *) bfd_alloc (abfd, (size_t) ((asect->lineno_count + 1) * sizeof (alent))); |
ab31ae53 | 3334 | if (lineno_cache == NULL) |
a9713b91 | 3335 | return false; |
ab31ae53 KR |
3336 | else |
3337 | { | |
9783e04a DM |
3338 | unsigned int counter = 0; |
3339 | alent *cache_ptr = lineno_cache; | |
3340 | LINENO *src = native_lineno; | |
cbdc7909 | 3341 | |
ab31ae53 KR |
3342 | while (counter < asect->lineno_count) |
3343 | { | |
3344 | struct internal_lineno dst; | |
9783e04a | 3345 | coff_swap_lineno_in (abfd, src, &dst); |
ab31ae53 KR |
3346 | cache_ptr->line_number = dst.l_lnno; |
3347 | ||
3348 | if (cache_ptr->line_number == 0) | |
3349 | { | |
7f21c97c ILT |
3350 | boolean warned; |
3351 | long symndx; | |
3352 | coff_symbol_type *sym; | |
3353 | ||
3354 | warned = false; | |
3355 | symndx = dst.l_addr.l_symndx; | |
3356 | if (symndx < 0 || symndx >= obj_raw_syment_count (abfd)) | |
3357 | { | |
3358 | (*_bfd_error_handler) | |
3359 | ("%s: warning: illegal symbol index %ld in line numbers", | |
3360 | bfd_get_filename (abfd), dst.l_addr.l_symndx); | |
3361 | symndx = 0; | |
3362 | warned = true; | |
3363 | } | |
3364 | /* FIXME: We should not be casting between ints and | |
3365 | pointers like this. */ | |
3366 | sym = ((coff_symbol_type *) | |
3367 | ((symndx + obj_raw_syments (abfd)) | |
3368 | ->u.syment._n._n_n._n_zeroes)); | |
ab31ae53 | 3369 | cache_ptr->u.sym = (asymbol *) sym; |
7f21c97c | 3370 | if (sym->lineno != NULL && ! warned) |
49488f2b ILT |
3371 | { |
3372 | (*_bfd_error_handler) | |
3373 | ("%s: warning: duplicate line number information for `%s'", | |
3374 | bfd_get_filename (abfd), | |
3375 | bfd_asymbol_name (&sym->symbol)); | |
3376 | } | |
ab31ae53 KR |
3377 | sym->lineno = cache_ptr; |
3378 | } | |
3379 | else | |
3380 | { | |
3381 | cache_ptr->u.offset = dst.l_addr.l_paddr | |
9783e04a DM |
3382 | - bfd_section_vma (abfd, asect); |
3383 | } /* If no linenumber expect a symbol index */ | |
ab31ae53 KR |
3384 | |
3385 | cache_ptr++; | |
3386 | src++; | |
3387 | counter++; | |
0f268757 | 3388 | } |
0f268757 | 3389 | cache_ptr->line_number = 0; |
cbdc7909 | 3390 | |
0f268757 | 3391 | } |
ab31ae53 KR |
3392 | asect->lineno = lineno_cache; |
3393 | /* FIXME, free native_lineno here, or use alloca or something. */ | |
3394 | return true; | |
3395 | } | |
0f268757 | 3396 | |
ab31ae53 | 3397 | static boolean |
57a1867e DM |
3398 | coff_slurp_symbol_table (abfd) |
3399 | bfd * abfd; | |
6f715d66 | 3400 | { |
9783e04a | 3401 | combined_entry_type *native_symbols; |
6f715d66 | 3402 | coff_symbol_type *cached_area; |
9783e04a | 3403 | unsigned int *table_ptr; |
cbdc7909 | 3404 | |
9783e04a | 3405 | unsigned int number_of_symbols = 0; |
89665c85 | 3406 | |
9783e04a | 3407 | if (obj_symbols (abfd)) |
6f715d66 | 3408 | return true; |
cbdc7909 | 3409 | |
6f715d66 | 3410 | /* Read in the symbol table */ |
9783e04a DM |
3411 | if ((native_symbols = coff_get_normalized_symtab (abfd)) == NULL) |
3412 | { | |
3413 | return (false); | |
3414 | } /* on error */ | |
cbdc7909 | 3415 | |
6f715d66 | 3416 | /* Allocate enough room for all the symbols in cached form */ |
69645d10 ILT |
3417 | cached_area = ((coff_symbol_type *) |
3418 | bfd_alloc (abfd, | |
3419 | (obj_raw_syment_count (abfd) | |
3420 | * sizeof (coff_symbol_type)))); | |
cbdc7909 | 3421 | |
9783e04a | 3422 | if (cached_area == NULL) |
a9713b91 | 3423 | return false; |
69645d10 ILT |
3424 | table_ptr = ((unsigned int *) |
3425 | bfd_alloc (abfd, | |
3426 | (obj_raw_syment_count (abfd) | |
3427 | * sizeof (unsigned int)))); | |
cbdc7909 | 3428 | |
9783e04a | 3429 | if (table_ptr == NULL) |
a9713b91 | 3430 | return false; |
9783e04a DM |
3431 | else |
3432 | { | |
3433 | coff_symbol_type *dst = cached_area; | |
69645d10 | 3434 | unsigned int last_native_index = obj_raw_syment_count (abfd); |
9783e04a DM |
3435 | unsigned int this_index = 0; |
3436 | while (this_index < last_native_index) | |
3437 | { | |
3438 | combined_entry_type *src = native_symbols + this_index; | |
3439 | table_ptr[this_index] = number_of_symbols; | |
3440 | dst->symbol.the_bfd = abfd; | |
3441 | ||
3442 | dst->symbol.name = (char *) (src->u.syment._n._n_n._n_offset); | |
3443 | /* We use the native name field to point to the cached field. */ | |
3444 | src->u.syment._n._n_n._n_zeroes = (long) dst; | |
3445 | dst->symbol.section = coff_section_from_bfd_index (abfd, | |
3446 | src->u.syment.n_scnum); | |
3447 | dst->symbol.flags = 0; | |
3448 | dst->done_lineno = false; | |
3449 | ||
3450 | switch (src->u.syment.n_sclass) | |
3451 | { | |
0f268757 | 3452 | #ifdef I960 |
9783e04a | 3453 | case C_LEAFEXT: |
0f268757 | 3454 | #if 0 |
9783e04a DM |
3455 | dst->symbol.value = src->u.syment.n_value - dst->symbol.section->vma; |
3456 | dst->symbol.flags = BSF_EXPORT | BSF_GLOBAL; | |
c7e76b5e | 3457 | dst->symbol.flags |= BSF_NOT_AT_END | BSF_FUNCTION; |
0f268757 | 3458 | #endif |
9783e04a | 3459 | /* Fall through to next case */ |
cbdc7909 | 3460 | |
0f268757 | 3461 | #endif |
cbdc7909 | 3462 | |
9783e04a | 3463 | case C_EXT: |
38c574bb | 3464 | #if defined ARM |
0fa555ea NC |
3465 | case C_THUMBEXT: |
3466 | case C_THUMBEXTFUNC: | |
3467 | #endif | |
cbdc7909 | 3468 | #ifdef RS6000COFF_C |
9783e04a | 3469 | case C_HIDEXT: |
89665c85 | 3470 | #endif |
c4188c2a FF |
3471 | #ifdef C_SYSTEM |
3472 | case C_SYSTEM: /* System Wide variable */ | |
3473 | #endif | |
89665c85 SC |
3474 | #ifdef COFF_WITH_PE |
3475 | /* PE uses storage class 0x68 to denote a section symbol */ | |
3476 | case C_SECTION: | |
a418e05d ILT |
3477 | /* PE uses storage class 0x67 for a weak external symbol. */ |
3478 | case C_NT_WEAK: | |
9783e04a DM |
3479 | #endif |
3480 | if ((src->u.syment.n_scnum) == 0) | |
3481 | { | |
3482 | if ((src->u.syment.n_value) == 0) | |
3483 | { | |
b5b056fc | 3484 | dst->symbol.section = bfd_und_section_ptr; |
9783e04a DM |
3485 | dst->symbol.value = 0; |
3486 | } | |
3487 | else | |
3488 | { | |
b5b056fc | 3489 | dst->symbol.section = bfd_com_section_ptr; |
9783e04a DM |
3490 | dst->symbol.value = (src->u.syment.n_value); |
3491 | } | |
3492 | } | |
3493 | else | |
3494 | { | |
e7cac9de ILT |
3495 | /* Base the value as an index from the base of the |
3496 | section */ | |
e98e6ec1 | 3497 | |
9783e04a | 3498 | dst->symbol.flags = BSF_EXPORT | BSF_GLOBAL; |
20a9631a | 3499 | |
38c574bb | 3500 | #if defined COFF_WITH_PE |
20a9631a ILT |
3501 | /* PE sets the symbol to a value relative to the |
3502 | start of the section. */ | |
3503 | dst->symbol.value = src->u.syment.n_value; | |
3504 | #else | |
e7cac9de ILT |
3505 | dst->symbol.value = (src->u.syment.n_value |
3506 | - dst->symbol.section->vma); | |
20a9631a | 3507 | #endif |
e98e6ec1 | 3508 | |
9783e04a DM |
3509 | if (ISFCN ((src->u.syment.n_type))) |
3510 | { | |
e7cac9de ILT |
3511 | /* A function ext does not go at the end of a |
3512 | file. */ | |
c7e76b5e | 3513 | dst->symbol.flags |= BSF_NOT_AT_END | BSF_FUNCTION; |
9783e04a DM |
3514 | } |
3515 | } | |
85e0c721 | 3516 | |
9783e04a | 3517 | #ifdef RS6000COFF_C |
e7cac9de ILT |
3518 | /* A C_HIDEXT symbol is not global. */ |
3519 | if (src->u.syment.n_sclass == C_HIDEXT) | |
3520 | dst->symbol.flags = BSF_LOCAL; | |
5f710a3a | 3521 | /* A symbol with a csect entry should not go at the end. */ |
3f2c5b2d | 3522 | if (src->u.syment.n_numaux > 0) |
5f710a3a | 3523 | dst->symbol.flags |= BSF_NOT_AT_END; |
9783e04a DM |
3524 | #endif |
3525 | ||
a418e05d ILT |
3526 | #ifdef COFF_WITH_PE |
3527 | if (src->u.syment.n_sclass == C_NT_WEAK) | |
3528 | dst->symbol.flags = BSF_WEAK; | |
3529 | #endif | |
3530 | ||
9783e04a DM |
3531 | break; |
3532 | ||
3533 | case C_STAT: /* static */ | |
0f268757 | 3534 | #ifdef I960 |
9783e04a | 3535 | case C_LEAFSTAT: /* static leaf procedure */ |
0fa555ea | 3536 | #endif |
38c574bb | 3537 | #if defined ARM |
0fa555ea NC |
3538 | case C_THUMBSTAT: /* Thumb static */ |
3539 | case C_THUMBLABEL: /* Thumb label */ | |
3540 | case C_THUMBSTATFUNC:/* Thumb static function */ | |
9783e04a DM |
3541 | #endif |
3542 | case C_LABEL: /* label */ | |
3543 | if (src->u.syment.n_scnum == -2) | |
3544 | dst->symbol.flags = BSF_DEBUGGING; | |
3545 | else | |
3546 | dst->symbol.flags = BSF_LOCAL; | |
5a28331f ILT |
3547 | |
3548 | /* Base the value as an index from the base of the | |
3549 | section, if there is one. */ | |
9783e04a | 3550 | if (dst->symbol.section) |
20a9631a | 3551 | { |
38c574bb | 3552 | #if defined COFF_WITH_PE |
20a9631a ILT |
3553 | /* PE sets the symbol to a value relative to the |
3554 | start of the section. */ | |
3555 | dst->symbol.value = src->u.syment.n_value; | |
3556 | #else | |
3557 | dst->symbol.value = (src->u.syment.n_value | |
3558 | - dst->symbol.section->vma); | |
3559 | #endif | |
3560 | } | |
9783e04a | 3561 | else |
5a28331f | 3562 | dst->symbol.value = src->u.syment.n_value; |
9783e04a DM |
3563 | break; |
3564 | ||
3565 | case C_MOS: /* member of structure */ | |
3566 | case C_EOS: /* end of structure */ | |
3567 | #ifdef NOTDEF /* C_AUTOARG has the same value */ | |
41f50af0 | 3568 | #ifdef C_GLBLREG |
9783e04a | 3569 | case C_GLBLREG: /* A29k-specific storage class */ |
41f50af0 SC |
3570 | #endif |
3571 | #endif | |
9783e04a DM |
3572 | case C_REGPARM: /* register parameter */ |
3573 | case C_REG: /* register variable */ | |
c4188c2a FF |
3574 | /* start-sanitize-tic80 */ |
3575 | #ifndef TIC80COFF | |
3576 | /* end-sanitize-tic80 */ | |
0f268757 | 3577 | #ifdef C_AUTOARG |
9783e04a DM |
3578 | case C_AUTOARG: /* 960-specific storage class */ |
3579 | #endif | |
c4188c2a FF |
3580 | /* start-sanitize-tic80 */ |
3581 | #endif | |
3582 | /* end-sanitize-tic80 */ | |
9783e04a DM |
3583 | case C_TPDEF: /* type definition */ |
3584 | case C_ARG: | |
3585 | case C_AUTO: /* automatic variable */ | |
3586 | case C_FIELD: /* bit field */ | |
3587 | case C_ENTAG: /* enumeration tag */ | |
3588 | case C_MOE: /* member of enumeration */ | |
3589 | case C_MOU: /* member of union */ | |
3590 | case C_UNTAG: /* union tag */ | |
3591 | dst->symbol.flags = BSF_DEBUGGING; | |
3592 | dst->symbol.value = (src->u.syment.n_value); | |
3593 | break; | |
3594 | ||
3595 | case C_FILE: /* file name */ | |
3596 | case C_STRTAG: /* structure tag */ | |
cbdc7909 | 3597 | #ifdef RS6000COFF_C |
9783e04a DM |
3598 | case C_GSYM: |
3599 | case C_LSYM: | |
3600 | case C_PSYM: | |
3601 | case C_RSYM: | |
3602 | case C_RPSYM: | |
3603 | case C_STSYM: | |
2bd0aeb9 ILT |
3604 | case C_BCOMM: |
3605 | case C_ECOMM: | |
9783e04a DM |
3606 | case C_DECL: |
3607 | case C_ENTRY: | |
3608 | case C_FUN: | |
3609 | case C_ESTAT: | |
3610 | #endif | |
3611 | dst->symbol.flags = BSF_DEBUGGING; | |
3612 | dst->symbol.value = (src->u.syment.n_value); | |
3613 | break; | |
cbdc7909 | 3614 | |
9783e04a | 3615 | #ifdef RS6000COFF_C |
49488f2b ILT |
3616 | case C_BINCL: /* beginning of include file */ |
3617 | case C_EINCL: /* ending of include file */ | |
3618 | /* The value is actually a pointer into the line numbers | |
3619 | of the file. We locate the line number entry, and | |
3620 | set the section to the section which contains it, and | |
3621 | the value to the index in that section. */ | |
3622 | { | |
3623 | asection *sec; | |
3624 | ||
3625 | dst->symbol.flags = BSF_DEBUGGING; | |
3626 | for (sec = abfd->sections; sec != NULL; sec = sec->next) | |
dd984644 ILT |
3627 | if (sec->line_filepos <= (file_ptr) src->u.syment.n_value |
3628 | && ((file_ptr) (sec->line_filepos | |
3629 | + sec->lineno_count * LINESZ) | |
3630 | > (file_ptr) src->u.syment.n_value)) | |
49488f2b ILT |
3631 | break; |
3632 | if (sec == NULL) | |
3633 | dst->symbol.value = 0; | |
3634 | else | |
3635 | { | |
3636 | dst->symbol.section = sec; | |
3637 | dst->symbol.value = ((src->u.syment.n_value | |
3638 | - sec->line_filepos) | |
3639 | / LINESZ); | |
3640 | src->fix_line = 1; | |
3641 | } | |
3642 | } | |
3643 | break; | |
3644 | ||
9783e04a DM |
3645 | case C_BSTAT: |
3646 | dst->symbol.flags = BSF_DEBUGGING; | |
9783e04a | 3647 | |
3f2c5b2d ILT |
3648 | /* The value is actually a symbol index. Save a pointer |
3649 | to the symbol instead of the index. FIXME: This | |
3650 | should use a union. */ | |
9783e04a DM |
3651 | src->u.syment.n_value = |
3652 | (long) (native_symbols + src->u.syment.n_value); | |
49488f2b | 3653 | dst->symbol.value = src->u.syment.n_value; |
9783e04a DM |
3654 | src->fix_value = 1; |
3655 | break; | |
3656 | #endif | |
3657 | ||
3658 | case C_BLOCK: /* ".bb" or ".eb" */ | |
5a28331f | 3659 | case C_FCN: /* ".bf" or ".ef" */ |
9783e04a DM |
3660 | case C_EFCN: /* physical end of function */ |
3661 | dst->symbol.flags = BSF_LOCAL; | |
38c574bb | 3662 | #if defined COFF_WITH_PE |
20a9631a ILT |
3663 | /* PE sets the symbol to a value relative to the start |
3664 | of the section. */ | |
3665 | dst->symbol.value = src->u.syment.n_value; | |
3666 | #else | |
5a28331f ILT |
3667 | /* Base the value as an index from the base of the |
3668 | section. */ | |
3669 | dst->symbol.value = (src->u.syment.n_value | |
3670 | - dst->symbol.section->vma); | |
20a9631a | 3671 | #endif |
9783e04a DM |
3672 | break; |
3673 | ||
3674 | case C_NULL: | |
3675 | case C_EXTDEF: /* external definition */ | |
3676 | case C_ULABEL: /* undefined label */ | |
3677 | case C_USTATIC: /* undefined static */ | |
89665c85 SC |
3678 | #ifndef COFF_WITH_PE |
3679 | /* C_LINE in regular coff is 0x68. NT has taken over this storage | |
3680 | class to represent a section symbol */ | |
9783e04a | 3681 | case C_LINE: /* line # reformatted as symbol table entry */ |
a418e05d | 3682 | /* NT uses 0x67 for a weak symbol, not C_ALIAS. */ |
9783e04a | 3683 | case C_ALIAS: /* duplicate tag */ |
a418e05d | 3684 | #endif |
c4188c2a FF |
3685 | /* start-sanitize-tic80 */ |
3686 | /* New storage classes for TIc80 */ | |
3687 | #ifdef TIC80COFF | |
3688 | case C_UEXT: /* Tentative external definition */ | |
3689 | #endif | |
3690 | case C_STATLAB: /* Static load time label */ | |
3691 | case C_EXTLAB: /* External load time label */ | |
3692 | /* end-sanitize-tic80 */ | |
9783e04a DM |
3693 | case C_HIDDEN: /* ext symbol in dmert public lib */ |
3694 | default: | |
7a7fbffb ILT |
3695 | (*_bfd_error_handler) |
3696 | ("%s: Unrecognized storage class %d for %s symbol `%s'", | |
3697 | bfd_get_filename (abfd), src->u.syment.n_sclass, | |
3698 | dst->symbol.section->name, dst->symbol.name); | |
9783e04a DM |
3699 | dst->symbol.flags = BSF_DEBUGGING; |
3700 | dst->symbol.value = (src->u.syment.n_value); | |
3701 | break; | |
3702 | } | |
cbdc7909 | 3703 | |
6590a8c9 | 3704 | /* BFD_ASSERT(dst->symbol.flags != 0);*/ |
cbdc7909 | 3705 | |
9783e04a | 3706 | dst->native = src; |
cbdc7909 | 3707 | |
f135c692 | 3708 | dst->symbol.udata.i = 0; |
9783e04a DM |
3709 | dst->lineno = (alent *) NULL; |
3710 | this_index += (src->u.syment.n_numaux) + 1; | |
3711 | dst++; | |
3712 | number_of_symbols++; | |
3713 | } /* walk the native symtab */ | |
3714 | } /* bfdize the native symtab */ | |
cbdc7909 | 3715 | |
9783e04a DM |
3716 | obj_symbols (abfd) = cached_area; |
3717 | obj_raw_syments (abfd) = native_symbols; | |
cbdc7909 | 3718 | |
9783e04a DM |
3719 | bfd_get_symcount (abfd) = number_of_symbols; |
3720 | obj_convert (abfd) = table_ptr; | |
6f715d66 | 3721 | /* Slurp the line tables for each section too */ |
9783e04a DM |
3722 | { |
3723 | asection *p; | |
3724 | p = abfd->sections; | |
3725 | while (p) | |
3726 | { | |
3727 | coff_slurp_line_table (abfd, p); | |
6f715d66 | 3728 | p = p->next; |
0f268757 | 3729 | } |
9783e04a | 3730 | } |
6f715d66 SC |
3731 | return true; |
3732 | } /* coff_slurp_symbol_table() */ | |
0f268757 | 3733 | |
69645d10 ILT |
3734 | /* Check whether a symbol is globally visible. This is used by the |
3735 | COFF backend linker code in cofflink.c, since a couple of targets | |
3736 | have globally visible symbols which are not class C_EXT. This | |
3737 | function need not handle the case of n_class == C_EXT. */ | |
3738 | ||
3739 | #undef OTHER_GLOBAL_CLASS | |
3740 | ||
3741 | #ifdef I960 | |
3742 | #define OTHER_GLOBAL_CLASS C_LEAFEXT | |
3743 | #endif | |
3744 | ||
0fa555ea | 3745 | #ifdef COFFARM |
0fa555ea | 3746 | #define OTHER_GLOBAL_CLASS C_THUMBEXT || syment->n_sclass == C_THUMBEXTFUNC |
0fa555ea | 3747 | #else |
89665c85 SC |
3748 | #ifdef COFF_WITH_PE |
3749 | #define OTHER_GLOBAL_CLASS C_SECTION | |
3750 | #endif | |
0fa555ea | 3751 | #endif |
89665c85 | 3752 | |
69645d10 ILT |
3753 | #ifdef OTHER_GLOBAL_CLASS |
3754 | ||
46686c78 NC |
3755 | static boolean coff_sym_is_global PARAMS ((bfd *, struct internal_syment *)); |
3756 | ||
69645d10 ILT |
3757 | static boolean |
3758 | coff_sym_is_global (abfd, syment) | |
86274b9b ILT |
3759 | bfd * abfd; |
3760 | struct internal_syment * syment; | |
69645d10 | 3761 | { |
86274b9b | 3762 | return (syment->n_sclass == OTHER_GLOBAL_CLASS); |
69645d10 ILT |
3763 | } |
3764 | ||
3765 | #undef OTHER_GLOBAL_CLASS | |
3766 | ||
3767 | #else /* ! defined (OTHER_GLOBAL_CLASS) */ | |
3768 | ||
3769 | /* sym_is_global should not be defined if it has nothing to do. */ | |
3770 | ||
3771 | #define coff_sym_is_global 0 | |
3772 | ||
3773 | #endif /* ! defined (OTHER_GLOBAL_CLASS) */ | |
3774 | ||
9fda1a39 | 3775 | /* |
9783e04a | 3776 | SUBSUBSECTION |
c188b0be | 3777 | Reading relocations |
9fda1a39 | 3778 | |
9fda1a39 SC |
3779 | Coff relocations are easily transformed into the internal BFD form |
3780 | (@code{arelent}). | |
3781 | ||
3782 | Reading a coff relocation table is done in the following stages: | |
3783 | ||
c188b0be | 3784 | o Read the entire coff relocation table into memory. |
9fda1a39 | 3785 | |
c188b0be | 3786 | o Process each relocation in turn; first swap it from the |
9fda1a39 SC |
3787 | external to the internal form. |
3788 | ||
c188b0be DM |
3789 | o Turn the symbol referenced in the relocation's symbol index |
3790 | into a pointer into the canonical symbol table. | |
3791 | This table is the same as the one returned by a call to | |
3792 | @code{bfd_canonicalize_symtab}. The back end will call that | |
9fda1a39 SC |
3793 | routine and save the result if a canonicalization hasn't been done. |
3794 | ||
3795 | o The reloc index is turned into a pointer to a howto | |
3796 | structure, in a back end specific way. For instance, the 386 | |
3797 | and 960 use the @code{r_type} to directly produce an index | |
3798 | into a howto table vector; the 88k subtracts a number from the | |
3799 | @code{r_type} field and creates an addend field. | |
3800 | ||
3801 | ||
6f715d66 SC |
3802 | */ |
3803 | ||
3b4f1a5d | 3804 | #ifndef CALC_ADDEND |
492d52cc ILT |
3805 | #define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \ |
3806 | { \ | |
3807 | coff_symbol_type *coffsym = (coff_symbol_type *) NULL; \ | |
3808 | if (ptr && bfd_asymbol_bfd (ptr) != abfd) \ | |
3809 | coffsym = (obj_symbols (abfd) \ | |
3810 | + (cache_ptr->sym_ptr_ptr - symbols)); \ | |
3811 | else if (ptr) \ | |
3812 | coffsym = coff_symbol_from (abfd, ptr); \ | |
3813 | if (coffsym != (coff_symbol_type *) NULL \ | |
3814 | && coffsym->native->u.syment.n_scnum == 0) \ | |
3815 | cache_ptr->addend = 0; \ | |
3816 | else if (ptr && bfd_asymbol_bfd (ptr) == abfd \ | |
3817 | && ptr->section != (asection *) NULL) \ | |
3818 | cache_ptr->addend = - (ptr->section->vma + ptr->value); \ | |
3819 | else \ | |
3820 | cache_ptr->addend = 0; \ | |
3821 | } | |
3b4f1a5d SC |
3822 | #endif |
3823 | ||
9783e04a | 3824 | static boolean |
57a1867e DM |
3825 | coff_slurp_reloc_table (abfd, asect, symbols) |
3826 | bfd * abfd; | |
3827 | sec_ptr asect; | |
3828 | asymbol ** symbols; | |
85e0c721 | 3829 | { |
9783e04a DM |
3830 | RELOC *native_relocs; |
3831 | arelent *reloc_cache; | |
3832 | arelent *cache_ptr; | |
3b4f1a5d SC |
3833 | |
3834 | unsigned int idx; | |
9783e04a | 3835 | |
3b4f1a5d | 3836 | if (asect->relocation) |
9783e04a | 3837 | return true; |
3b4f1a5d | 3838 | if (asect->reloc_count == 0) |
9783e04a | 3839 | return true; |
3b4f1a5d | 3840 | if (asect->flags & SEC_CONSTRUCTOR) |
9783e04a DM |
3841 | return true; |
3842 | if (!coff_slurp_symbol_table (abfd)) | |
3843 | return false; | |
3b4f1a5d | 3844 | native_relocs = |
9783e04a DM |
3845 | (RELOC *) buy_and_read (abfd, |
3846 | asect->rel_filepos, | |
3847 | SEEK_SET, | |
3848 | (size_t) (RELSZ * | |
3849 | asect->reloc_count)); | |
3b4f1a5d | 3850 | reloc_cache = (arelent *) |
9783e04a | 3851 | bfd_alloc (abfd, (size_t) (asect->reloc_count * sizeof (arelent))); |
3b4f1a5d | 3852 | |
9783e04a | 3853 | if (reloc_cache == NULL) |
a9713b91 | 3854 | return false; |
3b4f1a5d | 3855 | |
9783e04a DM |
3856 | |
3857 | for (idx = 0; idx < asect->reloc_count; idx++) | |
3858 | { | |
3b4f1a5d | 3859 | struct internal_reloc dst; |
9783e04a | 3860 | struct external_reloc *src; |
13b58694 | 3861 | #ifndef RELOC_PROCESSING |
9783e04a | 3862 | asymbol *ptr; |
13b58694 | 3863 | #endif |
616ebcfd SC |
3864 | |
3865 | cache_ptr = reloc_cache + idx; | |
3866 | src = native_relocs + idx; | |
3867 | ||
69645d10 | 3868 | coff_swap_reloc_in (abfd, src, &dst); |
616ebcfd | 3869 | |
13b58694 FF |
3870 | #ifdef RELOC_PROCESSING |
3871 | RELOC_PROCESSING (cache_ptr, &dst, symbols, abfd, asect); | |
3872 | #else | |
9898b929 JG |
3873 | cache_ptr->address = dst.r_vaddr; |
3874 | ||
9783e04a | 3875 | if (dst.r_symndx != -1) |
8070f29d | 3876 | { |
7f21c97c ILT |
3877 | if (dst.r_symndx < 0 || dst.r_symndx >= obj_conv_table_size (abfd)) |
3878 | { | |
3879 | (*_bfd_error_handler) | |
3880 | ("%s: warning: illegal symbol index %ld in relocs", | |
3881 | bfd_get_filename (abfd), dst.r_symndx); | |
3882 | cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
13b58694 | 3883 | ptr = NULL; |
7f21c97c ILT |
3884 | } |
3885 | else | |
3886 | { | |
3887 | cache_ptr->sym_ptr_ptr = (symbols | |
3888 | + obj_convert (abfd)[dst.r_symndx]); | |
3889 | ptr = *(cache_ptr->sym_ptr_ptr); | |
3890 | } | |
8070f29d | 3891 | } |
9783e04a | 3892 | else |
8070f29d | 3893 | { |
b5b056fc | 3894 | cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; |
13b58694 | 3895 | ptr = NULL; |
8070f29d | 3896 | } |
85e0c721 | 3897 | |
cd83759c KR |
3898 | /* The symbols definitions that we have read in have been |
3899 | relocated as if their sections started at 0. But the offsets | |
3900 | refering to the symbols in the raw data have not been | |
3901 | modified, so we have to have a negative addend to compensate. | |
3902 | ||
3903 | Note that symbols which used to be common must be left alone */ | |
cbdc7909 | 3904 | |
3b4f1a5d | 3905 | /* Calculate any reloc addend by looking at the symbol */ |
9783e04a | 3906 | CALC_ADDEND (abfd, ptr, dst, cache_ptr); |
cbdc7909 | 3907 | |
3b4f1a5d | 3908 | cache_ptr->address -= asect->vma; |
e98e6ec1 | 3909 | /* !! cache_ptr->section = (asection *) NULL;*/ |
20fdc627 | 3910 | |
3b4f1a5d | 3911 | /* Fill in the cache_ptr->howto field from dst.r_type */ |
9783e04a | 3912 | RTYPE2HOWTO (cache_ptr, &dst); |
13b58694 | 3913 | #endif /* RELOC_PROCESSING */ |
9898b929 | 3914 | |
7f21c97c ILT |
3915 | if (cache_ptr->howto == NULL) |
3916 | { | |
3917 | (*_bfd_error_handler) | |
3918 | ("%s: illegal relocation type %d at address 0x%lx", | |
3919 | bfd_get_filename (abfd), dst.r_type, (long) dst.r_vaddr); | |
6270adfb | 3920 | bfd_set_error (bfd_error_bad_value); |
7f21c97c ILT |
3921 | return false; |
3922 | } | |
9783e04a | 3923 | } |
cbdc7909 | 3924 | |
3b4f1a5d SC |
3925 | asect->relocation = reloc_cache; |
3926 | return true; | |
85e0c721 | 3927 | } |
0f268757 | 3928 | |
f135c692 ILT |
3929 | #ifndef coff_rtype_to_howto |
3930 | #ifdef RTYPE2HOWTO | |
3931 | ||
3932 | /* Get the howto structure for a reloc. This is only used if the file | |
3933 | including this one defines coff_relocate_section to be | |
3934 | _bfd_coff_generic_relocate_section, so it is OK if it does not | |
3935 | always work. It is the responsibility of the including file to | |
3936 | make sure it is reasonable if it is needed. */ | |
3937 | ||
3938 | static reloc_howto_type *coff_rtype_to_howto | |
3939 | PARAMS ((bfd *, asection *, struct internal_reloc *, | |
3940 | struct coff_link_hash_entry *, struct internal_syment *, | |
3941 | bfd_vma *)); | |
3942 | ||
3943 | /*ARGSUSED*/ | |
3944 | static reloc_howto_type * | |
3945 | coff_rtype_to_howto (abfd, sec, rel, h, sym, addendp) | |
3946 | bfd *abfd; | |
3947 | asection *sec; | |
3948 | struct internal_reloc *rel; | |
3949 | struct coff_link_hash_entry *h; | |
3950 | struct internal_syment *sym; | |
3951 | bfd_vma *addendp; | |
3952 | { | |
3953 | arelent genrel; | |
3954 | ||
3955 | RTYPE2HOWTO (&genrel, rel); | |
3956 | return genrel.howto; | |
3957 | } | |
3958 | ||
3959 | #else /* ! defined (RTYPE2HOWTO) */ | |
3960 | ||
3961 | #define coff_rtype_to_howto NULL | |
3962 | ||
3963 | #endif /* ! defined (RTYPE2HOWTO) */ | |
3964 | #endif /* ! defined (coff_rtype_to_howto) */ | |
0f268757 | 3965 | |
cd83759c | 3966 | /* This is stupid. This function should be a boolean predicate. */ |
326e32d7 | 3967 | static long |
57a1867e DM |
3968 | coff_canonicalize_reloc (abfd, section, relptr, symbols) |
3969 | bfd * abfd; | |
3970 | sec_ptr section; | |
3971 | arelent ** relptr; | |
3972 | asymbol ** symbols; | |
85e0c721 | 3973 | { |
9783e04a DM |
3974 | arelent *tblptr = section->relocation; |
3975 | unsigned int count = 0; | |
cbdc7909 | 3976 | |
cbdc7909 | 3977 | |
9783e04a DM |
3978 | if (section->flags & SEC_CONSTRUCTOR) |
3979 | { | |
3980 | /* this section has relocs made up by us, they are not in the | |
e98e6ec1 SC |
3981 | file, so take them out of their chain and place them into |
3982 | the data area provided */ | |
9783e04a DM |
3983 | arelent_chain *chain = section->constructor_chain; |
3984 | for (count = 0; count < section->reloc_count; count++) | |
3985 | { | |
3986 | *relptr++ = &chain->relent; | |
3987 | chain = chain->next; | |
3988 | } | |
e98e6ec1 | 3989 | |
9783e04a DM |
3990 | } |
3991 | else | |
3992 | { | |
326e32d7 ILT |
3993 | if (! coff_slurp_reloc_table (abfd, section, symbols)) |
3994 | return -1; | |
85e0c721 | 3995 | |
9783e04a | 3996 | tblptr = section->relocation; |
85e0c721 | 3997 | |
9783e04a DM |
3998 | for (; count++ < section->reloc_count;) |
3999 | *relptr++ = tblptr++; | |
cbdc7909 | 4000 | |
85e0c721 | 4001 | |
9783e04a | 4002 | } |
e98e6ec1 SC |
4003 | *relptr = 0; |
4004 | return section->reloc_count; | |
85e0c721 | 4005 | } |
0f268757 | 4006 | |
0f268757 SC |
4007 | #ifdef GNU960 |
4008 | file_ptr | |
9783e04a DM |
4009 | coff_sym_filepos (abfd) |
4010 | bfd *abfd; | |
4011 | { | |
4012 | return obj_sym_filepos (abfd); | |
4013 | } | |
0f268757 SC |
4014 | #endif |
4015 | ||
fbb61b50 SC |
4016 | #ifndef coff_reloc16_estimate |
4017 | #define coff_reloc16_estimate dummy_reloc16_estimate | |
4018 | ||
46686c78 NC |
4019 | static int dummy_reloc16_estimate |
4020 | PARAMS ((bfd *, asection *, arelent *, unsigned int, | |
4021 | struct bfd_link_info *)); | |
4022 | ||
56775366 | 4023 | static int |
09a28207 ILT |
4024 | dummy_reloc16_estimate (abfd, input_section, reloc, shrink, link_info) |
4025 | bfd *abfd; | |
fbb61b50 | 4026 | asection *input_section; |
fbb61b50 | 4027 | arelent *reloc; |
56775366 | 4028 | unsigned int shrink; |
330595d0 | 4029 | struct bfd_link_info *link_info; |
fbb61b50 | 4030 | { |
56775366 | 4031 | abort (); |
fbb61b50 SC |
4032 | } |
4033 | ||
4034 | #endif | |
4035 | ||
075caafd | 4036 | #ifndef coff_reloc16_extra_cases |
46686c78 | 4037 | |
9e768fa2 | 4038 | #define coff_reloc16_extra_cases dummy_reloc16_extra_cases |
46686c78 | 4039 | |
9e768fa2 | 4040 | /* This works even if abort is not declared in any header file. */ |
46686c78 NC |
4041 | |
4042 | static void dummy_reloc16_extra_cases | |
4043 | PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, | |
4044 | bfd_byte *, unsigned int *, unsigned int *)); | |
4045 | ||
4d09e8ac | 4046 | static void |
330595d0 ILT |
4047 | dummy_reloc16_extra_cases (abfd, link_info, link_order, reloc, data, src_ptr, |
4048 | dst_ptr) | |
9e768fa2 | 4049 | bfd *abfd; |
330595d0 ILT |
4050 | struct bfd_link_info *link_info; |
4051 | struct bfd_link_order *link_order; | |
9e768fa2 JK |
4052 | arelent *reloc; |
4053 | bfd_byte *data; | |
4054 | unsigned int *src_ptr; | |
4055 | unsigned int *dst_ptr; | |
4056 | { | |
4057 | abort (); | |
4058 | } | |
8ad2a31d | 4059 | #endif |
6590a8c9 | 4060 | |
69645d10 ILT |
4061 | /* If coff_relocate_section is defined, we can use the optimized COFF |
4062 | backend linker. Otherwise we must continue to use the old linker. */ | |
4063 | #ifdef coff_relocate_section | |
f135c692 | 4064 | #ifndef coff_bfd_link_hash_table_create |
69645d10 | 4065 | #define coff_bfd_link_hash_table_create _bfd_coff_link_hash_table_create |
f135c692 ILT |
4066 | #endif |
4067 | #ifndef coff_bfd_link_add_symbols | |
69645d10 | 4068 | #define coff_bfd_link_add_symbols _bfd_coff_link_add_symbols |
f135c692 ILT |
4069 | #endif |
4070 | #ifndef coff_bfd_final_link | |
69645d10 | 4071 | #define coff_bfd_final_link _bfd_coff_final_link |
f135c692 | 4072 | #endif |
69645d10 ILT |
4073 | #else /* ! defined (coff_relocate_section) */ |
4074 | #define coff_relocate_section NULL | |
39f27966 | 4075 | #ifndef coff_bfd_link_hash_table_create |
69645d10 | 4076 | #define coff_bfd_link_hash_table_create _bfd_generic_link_hash_table_create |
39f27966 | 4077 | #endif |
57289b5c | 4078 | #ifndef coff_bfd_link_add_symbols |
69645d10 | 4079 | #define coff_bfd_link_add_symbols _bfd_generic_link_add_symbols |
57289b5c | 4080 | #endif |
69645d10 ILT |
4081 | #define coff_bfd_final_link _bfd_generic_final_link |
4082 | #endif /* ! defined (coff_relocate_section) */ | |
46686c78 | 4083 | |
89665c85 | 4084 | #define coff_bfd_link_split_section _bfd_generic_link_split_section |
69645d10 | 4085 | |
a208a70f ILT |
4086 | #ifndef coff_start_final_link |
4087 | #define coff_start_final_link NULL | |
4088 | #endif | |
4089 | ||
f135c692 ILT |
4090 | #ifndef coff_adjust_symndx |
4091 | #define coff_adjust_symndx NULL | |
4092 | #endif | |
4093 | ||
d19df9b5 ILT |
4094 | #ifndef coff_link_add_one_symbol |
4095 | #define coff_link_add_one_symbol _bfd_generic_link_add_one_symbol | |
4096 | #endif | |
4097 | ||
86274b9b ILT |
4098 | #ifndef coff_link_output_has_begun |
4099 | #define coff_link_output_has_begun _coff_link_output_has_begun | |
4100 | static boolean | |
4101 | _coff_link_output_has_begun (abfd) | |
4102 | bfd * abfd; | |
4103 | { | |
4104 | return abfd->output_has_begun; | |
4105 | } | |
4106 | #endif | |
4107 | ||
4108 | #ifndef coff_final_link_postscript | |
4109 | #define coff_final_link_postscript _coff_final_link_postscript | |
4110 | static boolean | |
4111 | _coff_final_link_postscript (abfd, pfinfo) | |
4112 | bfd * abfd; | |
4113 | struct coff_final_link_info * pfinfo; | |
4114 | { | |
4115 | return true; | |
4116 | } | |
4117 | #endif | |
4118 | ||
4119 | #ifndef coff_SWAP_aux_in | |
4120 | #define coff_SWAP_aux_in coff_swap_aux_in | |
4121 | #endif | |
4122 | #ifndef coff_SWAP_sym_in | |
4123 | #define coff_SWAP_sym_in coff_swap_sym_in | |
4124 | #endif | |
4125 | #ifndef coff_SWAP_lineno_in | |
4126 | #define coff_SWAP_lineno_in coff_swap_lineno_in | |
4127 | #endif | |
4128 | #ifndef coff_SWAP_aux_out | |
4129 | #define coff_SWAP_aux_out coff_swap_aux_out | |
4130 | #endif | |
4131 | #ifndef coff_SWAP_sym_out | |
4132 | #define coff_SWAP_sym_out coff_swap_sym_out | |
4133 | #endif | |
4134 | #ifndef coff_SWAP_lineno_out | |
4135 | #define coff_SWAP_lineno_out coff_swap_lineno_out | |
4136 | #endif | |
4137 | #ifndef coff_SWAP_reloc_out | |
4138 | #define coff_SWAP_reloc_out coff_swap_reloc_out | |
4139 | #endif | |
4140 | #ifndef coff_SWAP_filehdr_out | |
4141 | #define coff_SWAP_filehdr_out coff_swap_filehdr_out | |
4142 | #endif | |
4143 | #ifndef coff_SWAP_aouthdr_out | |
4144 | #define coff_SWAP_aouthdr_out coff_swap_aouthdr_out | |
4145 | #endif | |
4146 | #ifndef coff_SWAP_scnhdr_out | |
4147 | #define coff_SWAP_scnhdr_out coff_swap_scnhdr_out | |
4148 | #endif | |
4149 | #ifndef coff_SWAP_reloc_in | |
4150 | #define coff_SWAP_reloc_in coff_swap_reloc_in | |
4151 | #endif | |
4152 | #ifndef coff_SWAP_filehdr_in | |
4153 | #define coff_SWAP_filehdr_in coff_swap_filehdr_in | |
4154 | #endif | |
4155 | #ifndef coff_SWAP_aouthdr_in | |
4156 | #define coff_SWAP_aouthdr_in coff_swap_aouthdr_in | |
4157 | #endif | |
4158 | #ifndef coff_SWAP_scnhdr_in | |
4159 | #define coff_SWAP_scnhdr_in coff_swap_scnhdr_in | |
4160 | #endif | |
4161 | ||
4162 | ||
4163 | ||
9783e04a DM |
4164 | static CONST bfd_coff_backend_data bfd_coff_std_swap_table = |
4165 | { | |
86274b9b ILT |
4166 | coff_SWAP_aux_in, coff_SWAP_sym_in, coff_SWAP_lineno_in, |
4167 | coff_SWAP_aux_out, coff_SWAP_sym_out, | |
4168 | coff_SWAP_lineno_out, coff_SWAP_reloc_out, | |
4169 | coff_SWAP_filehdr_out, coff_SWAP_aouthdr_out, | |
4170 | coff_SWAP_scnhdr_out, | |
69645d10 | 4171 | FILHSZ, AOUTSZ, SCNHSZ, SYMESZ, AUXESZ, RELSZ, LINESZ, |
075caafd | 4172 | #ifdef COFF_LONG_FILENAMES |
9783e04a | 4173 | true, |
075caafd | 4174 | #else |
9783e04a | 4175 | false, |
e8f3bb64 ILT |
4176 | #endif |
4177 | #ifdef COFF_LONG_SECTION_NAMES | |
4178 | true, | |
4179 | #else | |
4180 | false, | |
07de8e96 | 4181 | #endif |
46686c78 | 4182 | COFF_DEFAULT_SECTION_ALIGNMENT_POWER, |
86274b9b ILT |
4183 | coff_SWAP_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in, |
4184 | coff_SWAP_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook, | |
1af85fbb | 4185 | coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook, |
c80cc833 | 4186 | coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook, |
0fc9ada9 | 4187 | coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate, |
69645d10 | 4188 | coff_sym_is_global, coff_compute_section_file_positions, |
a208a70f | 4189 | coff_start_final_link, coff_relocate_section, coff_rtype_to_howto, |
86274b9b ILT |
4190 | coff_adjust_symndx, coff_link_add_one_symbol, |
4191 | coff_link_output_has_begun, coff_final_link_postscript | |
075caafd | 4192 | }; |
0f268757 | 4193 | |
46686c78 NC |
4194 | #ifndef coff_close_and_cleanup |
4195 | #define coff_close_and_cleanup _bfd_generic_close_and_cleanup | |
4196 | #endif | |
4197 | ||
4198 | #ifndef coff_bfd_free_cached_info | |
4199 | #define coff_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
4200 | #endif | |
4201 | ||
4202 | #ifndef coff_get_section_contents | |
4203 | #define coff_get_section_contents _bfd_generic_get_section_contents | |
4204 | #endif | |
09a28207 | 4205 | |
db344f82 | 4206 | #ifndef coff_bfd_copy_private_symbol_data |
46686c78 | 4207 | #define coff_bfd_copy_private_symbol_data _bfd_generic_bfd_copy_private_symbol_data |
db344f82 SC |
4208 | #endif |
4209 | ||
4210 | #ifndef coff_bfd_copy_private_section_data | |
4211 | #define coff_bfd_copy_private_section_data _bfd_generic_bfd_copy_private_section_data | |
4212 | #endif | |
4213 | ||
4214 | #ifndef coff_bfd_copy_private_bfd_data | |
46686c78 NC |
4215 | #define coff_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data |
4216 | #endif | |
4217 | ||
4218 | #ifndef coff_bfd_merge_private_bfd_data | |
4219 | #define coff_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data | |
db344f82 SC |
4220 | #endif |
4221 | ||
46686c78 NC |
4222 | #ifndef coff_bfd_set_private_flags |
4223 | #define coff_bfd_set_private_flags _bfd_generic_bfd_set_private_flags | |
4224 | #endif | |
6812b607 | 4225 | |
beee31b1 | 4226 | #ifndef coff_bfd_print_private_bfd_data |
46686c78 | 4227 | #define coff_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data |
beee31b1 SC |
4228 | #endif |
4229 | ||
35a3e78e | 4230 | #ifndef coff_bfd_is_local_label_name |
46686c78 | 4231 | #define coff_bfd_is_local_label_name _bfd_coff_is_local_label_name |
09a28207 | 4232 | #endif |
46686c78 | 4233 | |
e9614321 | 4234 | #ifndef coff_read_minisymbols |
46686c78 | 4235 | #define coff_read_minisymbols _bfd_generic_read_minisymbols |
e9614321 | 4236 | #endif |
46686c78 | 4237 | |
e9614321 | 4238 | #ifndef coff_minisymbol_to_symbol |
46686c78 | 4239 | #define coff_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol |
e9614321 | 4240 | #endif |
6812b607 ILT |
4241 | |
4242 | /* The reloc lookup routine must be supplied by each individual COFF | |
4243 | backend. */ | |
4244 | #ifndef coff_bfd_reloc_type_lookup | |
46686c78 | 4245 | #define coff_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup |
6812b607 ILT |
4246 | #endif |
4247 | ||
e9614321 | 4248 | #ifndef coff_bfd_get_relocated_section_contents |
6812b607 ILT |
4249 | #define coff_bfd_get_relocated_section_contents \ |
4250 | bfd_generic_get_relocated_section_contents | |
e9614321 | 4251 | #endif |
46686c78 | 4252 | |
e9614321 | 4253 | #ifndef coff_bfd_relax_section |
46686c78 | 4254 | #define coff_bfd_relax_section bfd_generic_relax_section |
e9614321 | 4255 | #endif |