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6d7c88c3 | 1 | /* Support for the generic parts of most COFF variants, for BFD. |
35a3e78e | 2 | Copyright 1990, 91, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc. |
7a8b18b6 | 3 | Written by Cygnus Support. |
0f268757 | 4 | |
7a8b18b6 | 5 | This file is part of BFD, the Binary File Descriptor library. |
0f268757 | 6 | |
7a8b18b6 SC |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
0f268757 | 11 | |
7a8b18b6 SC |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
0f268757 | 16 | |
7a8b18b6 SC |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
e9614321 | 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
6f715d66 | 20 | |
9783e04a | 21 | /* |
6590a8c9 | 22 | Most of this hacked by Steve Chamberlain, |
9783e04a | 23 | sac@cygnus.com |
6590a8c9 | 24 | */ |
9fda1a39 | 25 | /* |
6f715d66 | 26 | |
9fda1a39 SC |
27 | SECTION |
28 | coff backends | |
29 | ||
9fda1a39 | 30 | BFD supports a number of different flavours of coff format. |
c188b0be | 31 | The major differences between formats are the sizes and |
9fda1a39 | 32 | alignments of fields in structures on disk, and the occasional |
9783e04a | 33 | extra field. |
9fda1a39 | 34 | |
c188b0be | 35 | Coff in all its varieties is implemented with a few common |
9fda1a39 SC |
36 | files and a number of implementation specific files. For |
37 | example, The 88k bcs coff format is implemented in the file | |
c188b0be DM |
38 | @file{coff-m88k.c}. This file @code{#include}s |
39 | @file{coff/m88k.h} which defines the external structure of the | |
40 | coff format for the 88k, and @file{coff/internal.h} which | |
41 | defines the internal structure. @file{coff-m88k.c} also | |
075caafd ILT |
42 | defines the relocations used by the 88k format |
43 | @xref{Relocations}. | |
9fda1a39 SC |
44 | |
45 | The Intel i960 processor version of coff is implemented in | |
c188b0be DM |
46 | @file{coff-i960.c}. This file has the same structure as |
47 | @file{coff-m88k.c}, except that it includes @file{coff/i960.h} | |
9783e04a | 48 | rather than @file{coff-m88k.h}. |
9fda1a39 SC |
49 | |
50 | SUBSECTION | |
c188b0be | 51 | Porting to a new version of coff |
9fda1a39 | 52 | |
9fda1a39 | 53 | The recommended method is to select from the existing |
c188b0be DM |
54 | implementations the version of coff which is most like the one |
55 | you want to use. For example, we'll say that i386 coff is | |
9fda1a39 | 56 | the one you select, and that your coff flavour is called foo. |
c188b0be DM |
57 | Copy @file{i386coff.c} to @file{foocoff.c}, copy |
58 | @file{../include/coff/i386.h} to @file{../include/coff/foo.h}, | |
59 | and add the lines to @file{targets.c} and @file{Makefile.in} | |
9fda1a39 | 60 | so that your new back end is used. Alter the shapes of the |
c188b0be | 61 | structures in @file{../include/coff/foo.h} so that they match |
9fda1a39 | 62 | what you need. You will probably also have to add |
c188b0be | 63 | @code{#ifdef}s to the code in @file{coff/internal.h} and |
9783e04a | 64 | @file{coffcode.h} if your version of coff is too wild. |
9fda1a39 SC |
65 | |
66 | You can verify that your new BFD backend works quite simply by | |
c188b0be DM |
67 | building @file{objdump} from the @file{binutils} directory, |
68 | and making sure that its version of what's going on and your | |
69 | host system's idea (assuming it has the pretty standard coff | |
70 | dump utility, usually called @code{att-dump} or just | |
71 | @code{dump}) are the same. Then clean up your code, and send | |
9fda1a39 SC |
72 | what you've done to Cygnus. Then your stuff will be in the |
73 | next release, and you won't have to keep integrating it. | |
74 | ||
75 | SUBSECTION | |
c188b0be | 76 | How the coff backend works |
9fda1a39 | 77 | |
075caafd | 78 | SUBSUBSECTION |
c188b0be | 79 | File layout |
075caafd ILT |
80 | |
81 | The Coff backend is split into generic routines that are | |
82 | applicable to any Coff target and routines that are specific | |
83 | to a particular target. The target-specific routines are | |
84 | further split into ones which are basically the same for all | |
85 | Coff targets except that they use the external symbol format | |
86 | or use different values for certain constants. | |
87 | ||
88 | The generic routines are in @file{coffgen.c}. These routines | |
89 | work for any Coff target. They use some hooks into the target | |
90 | specific code; the hooks are in a @code{bfd_coff_backend_data} | |
91 | structure, one of which exists for each target. | |
92 | ||
93 | The essentially similar target-specific routines are in | |
c188b0be | 94 | @file{coffcode.h}. This header file includes executable C code. |
075caafd ILT |
95 | The various Coff targets first include the appropriate Coff |
96 | header file, make any special defines that are needed, and | |
97 | then include @file{coffcode.h}. | |
98 | ||
99 | Some of the Coff targets then also have additional routines in | |
100 | the target source file itself. | |
101 | ||
102 | For example, @file{coff-i960.c} includes | |
103 | @file{coff/internal.h} and @file{coff/i960.h}. It then | |
104 | defines a few constants, such as @code{I960}, and includes | |
105 | @file{coffcode.h}. Since the i960 has complex relocation | |
106 | types, @file{coff-i960.c} also includes some code to | |
107 | manipulate the i960 relocs. This code is not in | |
108 | @file{coffcode.h} because it would not be used by any other | |
109 | target. | |
110 | ||
9fda1a39 | 111 | SUBSUBSECTION |
c188b0be | 112 | Bit twiddling |
9fda1a39 | 113 | |
9fda1a39 | 114 | Each flavour of coff supported in BFD has its own header file |
c188b0be DM |
115 | describing the external layout of the structures. There is also |
116 | an internal description of the coff layout, in | |
117 | @file{coff/internal.h}. A major function of the | |
9fda1a39 SC |
118 | coff backend is swapping the bytes and twiddling the bits to |
119 | translate the external form of the structures into the normal | |
120 | internal form. This is all performed in the | |
121 | @code{bfd_swap}_@i{thing}_@i{direction} routines. Some | |
122 | elements are different sizes between different versions of | |
c188b0be | 123 | coff; it is the duty of the coff version specific include file |
9fda1a39 | 124 | to override the definitions of various packing routines in |
c188b0be | 125 | @file{coffcode.h}. E.g., the size of line number entry in coff is |
9fda1a39 SC |
126 | sometimes 16 bits, and sometimes 32 bits. @code{#define}ing |
127 | @code{PUT_LNSZ_LNNO} and @code{GET_LNSZ_LNNO} will select the | |
128 | correct one. No doubt, some day someone will find a version of | |
c188b0be | 129 | coff which has a varying field size not catered to at the |
9783e04a | 130 | moment. To port BFD, that person will have to add more @code{#defines}. |
9fda1a39 SC |
131 | Three of the bit twiddling routines are exported to |
132 | @code{gdb}; @code{coff_swap_aux_in}, @code{coff_swap_sym_in} | |
133 | and @code{coff_swap_linno_in}. @code{GDB} reads the symbol | |
134 | table on its own, but uses BFD to fix things up. More of the | |
135 | bit twiddlers are exported for @code{gas}; | |
136 | @code{coff_swap_aux_out}, @code{coff_swap_sym_out}, | |
137 | @code{coff_swap_lineno_out}, @code{coff_swap_reloc_out}, | |
138 | @code{coff_swap_filehdr_out}, @code{coff_swap_aouthdr_out}, | |
139 | @code{coff_swap_scnhdr_out}. @code{Gas} currently keeps track | |
140 | of all the symbol table and reloc drudgery itself, thereby | |
141 | saving the internal BFD overhead, but uses BFD to swap things | |
c188b0be | 142 | on the way out, making cross ports much safer. Doing so also |
9fda1a39 SC |
143 | allows BFD (and thus the linker) to use the same header files |
144 | as @code{gas}, which makes one avenue to disaster disappear. | |
145 | ||
146 | SUBSUBSECTION | |
c188b0be | 147 | Symbol reading |
9fda1a39 | 148 | |
9fda1a39 SC |
149 | The simple canonical form for symbols used by BFD is not rich |
150 | enough to keep all the information available in a coff symbol | |
c188b0be | 151 | table. The back end gets around this problem by keeping the original |
9783e04a | 152 | symbol table around, "behind the scenes". |
9fda1a39 SC |
153 | |
154 | When a symbol table is requested (through a call to | |
c188b0be | 155 | @code{bfd_canonicalize_symtab}), a request gets through to |
075caafd | 156 | @code{coff_get_normalized_symtab}. This reads the symbol table from |
9fda1a39 SC |
157 | the coff file and swaps all the structures inside into the |
158 | internal form. It also fixes up all the pointers in the table | |
159 | (represented in the file by offsets from the first symbol in | |
160 | the table) into physical pointers to elements in the new | |
161 | internal table. This involves some work since the meanings of | |
c188b0be | 162 | fields change depending upon context: a field that is a |
9fda1a39 | 163 | pointer to another structure in the symbol table at one moment |
c188b0be | 164 | may be the size in bytes of a structure at the next. Another |
9fda1a39 | 165 | pass is made over the table. All symbols which mark file names |
616ebcfd | 166 | (<<C_FILE>> symbols) are modified so that the internal |
9fda1a39 SC |
167 | string points to the value in the auxent (the real filename) |
168 | rather than the normal text associated with the symbol | |
9783e04a | 169 | (@code{".file"}). |
9fda1a39 SC |
170 | |
171 | At this time the symbol names are moved around. Coff stores | |
172 | all symbols less than nine characters long physically | |
c188b0be | 173 | within the symbol table; longer strings are kept at the end of |
9fda1a39 | 174 | the file in the string table. This pass moves all strings |
c188b0be | 175 | into memory and replaces them with pointers to the strings. |
9fda1a39 SC |
176 | |
177 | ||
178 | The symbol table is massaged once again, this time to create | |
179 | the canonical table used by the BFD application. Each symbol | |
180 | is inspected in turn, and a decision made (using the | |
181 | @code{sclass} field) about the various flags to set in the | |
c188b0be | 182 | @code{asymbol}. @xref{Symbols}. The generated canonical table |
9783e04a | 183 | shares strings with the hidden internal symbol table. |
9fda1a39 SC |
184 | |
185 | Any linenumbers are read from the coff file too, and attached | |
9783e04a | 186 | to the symbols which own the functions the linenumbers belong to. |
9fda1a39 SC |
187 | |
188 | SUBSUBSECTION | |
c188b0be | 189 | Symbol writing |
9fda1a39 | 190 | |
9fda1a39 SC |
191 | Writing a symbol to a coff file which didn't come from a coff |
192 | file will lose any debugging information. The @code{asymbol} | |
c188b0be DM |
193 | structure remembers the BFD from which the symbol was taken, and on |
194 | output the back end makes sure that the same destination target as | |
9fda1a39 SC |
195 | source target is present. |
196 | ||
197 | When the symbols have come from a coff file then all the | |
198 | debugging information is preserved. | |
199 | ||
200 | Symbol tables are provided for writing to the back end in a | |
201 | vector of pointers to pointers. This allows applications like | |
202 | the linker to accumulate and output large symbol tables | |
203 | without having to do too much byte copying. | |
204 | ||
9fda1a39 SC |
205 | This function runs through the provided symbol table and |
206 | patches each symbol marked as a file place holder | |
207 | (@code{C_FILE}) to point to the next file place holder in the | |
208 | list. It also marks each @code{offset} field in the list with | |
209 | the offset from the first symbol of the current symbol. | |
210 | ||
211 | Another function of this procedure is to turn the canonical | |
212 | value form of BFD into the form used by coff. Internally, BFD | |
213 | expects symbol values to be offsets from a section base; so a | |
214 | symbol physically at 0x120, but in a section starting at | |
215 | 0x100, would have the value 0x20. Coff expects symbols to | |
216 | contain their final value, so symbols have their values | |
217 | changed at this point to reflect their sum with their owning | |
c188b0be | 218 | section. This transformation uses the |
9fda1a39 | 219 | <<output_section>> field of the @code{asymbol}'s |
9783e04a | 220 | @code{asection} @xref{Sections}. |
9fda1a39 | 221 | |
c188b0be | 222 | o <<coff_mangle_symbols>> |
616ebcfd | 223 | |
9fda1a39 SC |
224 | This routine runs though the provided symbol table and uses |
225 | the offsets generated by the previous pass and the pointers | |
226 | generated when the symbol table was read in to create the | |
227 | structured hierachy required by coff. It changes each pointer | |
c188b0be | 228 | to a symbol into the index into the symbol table of the asymbol. |
9fda1a39 | 229 | |
c188b0be | 230 | o <<coff_write_symbols>> |
616ebcfd | 231 | |
9fda1a39 SC |
232 | This routine runs through the symbol table and patches up the |
233 | symbols from their internal form into the coff way, calls the | |
9783e04a | 234 | bit twiddlers, and writes out the table to the file. |
6f715d66 | 235 | |
9fda1a39 | 236 | */ |
6f715d66 | 237 | |
9fda1a39 | 238 | /* |
616ebcfd SC |
239 | INTERNAL_DEFINITION |
240 | coff_symbol_type | |
6f715d66 | 241 | |
616ebcfd | 242 | DESCRIPTION |
c188b0be DM |
243 | The hidden information for an <<asymbol>> is described in a |
244 | <<combined_entry_type>>: | |
6f715d66 | 245 | |
616ebcfd | 246 | CODE_FRAGMENT |
e98e6ec1 | 247 | . |
9783e04a | 248 | .typedef struct coff_ptr_struct |
616ebcfd SC |
249 | .{ |
250 | . | |
251 | . {* Remembers the offset from the first symbol in the file for | |
252 | . this symbol. Generated by coff_renumber_symbols. *} | |
253 | .unsigned int offset; | |
254 | . | |
9783e04a DM |
255 | . {* Should the value of this symbol be renumbered. Used for |
256 | . XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. *} | |
257 | .unsigned int fix_value : 1; | |
258 | . | |
616ebcfd SC |
259 | . {* Should the tag field of this symbol be renumbered. |
260 | . Created by coff_pointerize_aux. *} | |
9783e04a | 261 | .unsigned int fix_tag : 1; |
616ebcfd SC |
262 | . |
263 | . {* Should the endidx field of this symbol be renumbered. | |
264 | . Created by coff_pointerize_aux. *} | |
9783e04a DM |
265 | .unsigned int fix_end : 1; |
266 | . | |
267 | . {* Should the x_csect.x_scnlen field be renumbered. | |
0fc9ada9 | 268 | . Created by coff_pointerize_aux. *} |
9783e04a | 269 | .unsigned int fix_scnlen : 1; |
616ebcfd | 270 | . |
49488f2b ILT |
271 | . {* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the |
272 | . index into the line number entries. Set by | |
273 | . coff_slurp_symbol_table. *} | |
274 | .unsigned int fix_line : 1; | |
275 | . | |
616ebcfd SC |
276 | . {* The container for the symbol structure as read and translated |
277 | . from the file. *} | |
278 | . | |
279 | .union { | |
280 | . union internal_auxent auxent; | |
281 | . struct internal_syment syment; | |
282 | . } u; | |
283 | .} combined_entry_type; | |
284 | . | |
285 | . | |
286 | .{* Each canonical asymbol really looks like this: *} | |
287 | . | |
288 | .typedef struct coff_symbol_struct | |
289 | .{ | |
290 | . {* The actual symbol which the rest of BFD works with *} | |
291 | .asymbol symbol; | |
292 | . | |
293 | . {* A pointer to the hidden information for this symbol *} | |
294 | .combined_entry_type *native; | |
295 | . | |
296 | . {* A pointer to the linenumber information for this symbol *} | |
297 | .struct lineno_cache_entry *lineno; | |
298 | . | |
d58b7049 SC |
299 | . {* Have the line numbers been relocated yet ? *} |
300 | .boolean done_lineno; | |
616ebcfd | 301 | .} coff_symbol_type; |
6f715d66 | 302 | |
6f715d66 | 303 | |
0f268757 SC |
304 | */ |
305 | ||
dd984644 | 306 | #ifdef COFF_WITH_PE |
beee31b1 SC |
307 | #include "peicode.h" |
308 | #else | |
309 | #include "coffswap.h" | |
89665c85 SC |
310 | #endif |
311 | ||
e8f3bb64 | 312 | #define STRING_SIZE_SIZE (4) |
46686c78 NC |
313 | |
314 | static long sec_to_styp_flags PARAMS ((const char *, flagword)); | |
315 | static flagword styp_to_sec_flags PARAMS ((bfd *, PTR, const char *)); | |
316 | static boolean coff_bad_format_hook PARAMS ((bfd *, PTR)); | |
317 | static boolean coff_new_section_hook PARAMS ((bfd *, asection *)); | |
318 | static boolean coff_set_arch_mach_hook PARAMS ((bfd *, PTR)); | |
319 | static boolean coff_write_relocs PARAMS ((bfd *, int)); | |
320 | static boolean coff_set_flags | |
321 | PARAMS ((bfd *, unsigned int *, unsigned short *)); | |
322 | static boolean coff_set_arch_mach | |
323 | PARAMS ((bfd *, enum bfd_architecture, unsigned long)); | |
324 | static boolean coff_compute_section_file_positions PARAMS ((bfd *)); | |
325 | static boolean coff_write_object_contents PARAMS ((bfd *)); | |
326 | static boolean coff_set_section_contents | |
327 | PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type)); | |
328 | static PTR buy_and_read PARAMS ((bfd *, file_ptr, int, size_t)); | |
329 | static boolean coff_slurp_line_table PARAMS ((bfd *, asection *)); | |
330 | static boolean coff_slurp_symbol_table PARAMS ((bfd *)); | |
331 | static boolean coff_slurp_reloc_table PARAMS ((bfd *, asection *, asymbol **)); | |
332 | static long coff_canonicalize_reloc | |
333 | PARAMS ((bfd *, asection *, arelent **, asymbol **)); | |
334 | #ifndef coff_mkobject_hook | |
335 | static PTR coff_mkobject_hook PARAMS ((bfd *, PTR, PTR)); | |
336 | #endif | |
0f268757 SC |
337 | \f |
338 | /* void warning(); */ | |
6f715d66 | 339 | |
cbdc7909 JG |
340 | /* |
341 | * Return a word with STYP_* (scnhdr.s_flags) flags set to represent the | |
41f50af0 SC |
342 | * incoming SEC_* flags. The inverse of this function is styp_to_sec_flags(). |
343 | * NOTE: If you add to/change this routine, you should mirror the changes | |
344 | * in styp_to_sec_flags(). | |
345 | */ | |
cbdc7909 | 346 | static long |
fbb61b50 SC |
347 | sec_to_styp_flags (sec_name, sec_flags) |
348 | CONST char *sec_name; | |
349 | flagword sec_flags; | |
41f50af0 | 350 | { |
47cf4997 SC |
351 | long styp_flags = 0; |
352 | ||
9783e04a | 353 | if (!strcmp (sec_name, _TEXT)) |
fbb61b50 SC |
354 | { |
355 | styp_flags = STYP_TEXT; | |
356 | } | |
9783e04a | 357 | else if (!strcmp (sec_name, _DATA)) |
fbb61b50 SC |
358 | { |
359 | styp_flags = STYP_DATA; | |
fbb61b50 | 360 | } |
9783e04a | 361 | else if (!strcmp (sec_name, _BSS)) |
fbb61b50 SC |
362 | { |
363 | styp_flags = STYP_BSS; | |
8c4a1ace | 364 | #ifdef _COMMENT |
9783e04a DM |
365 | } |
366 | else if (!strcmp (sec_name, _COMMENT)) | |
fbb61b50 SC |
367 | { |
368 | styp_flags = STYP_INFO; | |
9783e04a | 369 | #endif /* _COMMENT */ |
b26059aa | 370 | #ifdef _LIB |
fbb61b50 | 371 | } |
9783e04a | 372 | else if (!strcmp (sec_name, _LIB)) |
fbb61b50 SC |
373 | { |
374 | styp_flags = STYP_LIB; | |
9783e04a | 375 | #endif /* _LIB */ |
35d835c4 | 376 | #ifdef _LIT |
fbb61b50 | 377 | } |
35d835c4 | 378 | else if (!strcmp (sec_name, _LIT)) |
fbb61b50 SC |
379 | { |
380 | styp_flags = STYP_LIT; | |
35d835c4 | 381 | #endif /* _LIT */ |
fbb61b50 | 382 | } |
9783e04a | 383 | else if (!strcmp (sec_name, ".debug")) |
fbb61b50 | 384 | { |
9783e04a DM |
385 | #ifdef STYP_DEBUG |
386 | styp_flags = STYP_DEBUG; | |
387 | #else | |
fbb61b50 | 388 | styp_flags = STYP_INFO; |
9783e04a | 389 | #endif |
fbb61b50 | 390 | } |
89665c85 | 391 | else if (!strncmp (sec_name, ".stab", 5)) |
fbb61b50 SC |
392 | { |
393 | styp_flags = STYP_INFO; | |
394 | } | |
3ea928f5 SC |
395 | #ifdef COFF_WITH_PE |
396 | else if (!strcmp (sec_name, ".edata")) | |
397 | { | |
398 | styp_flags = STYP_DATA; | |
399 | } | |
5f710a3a ILT |
400 | #endif |
401 | #ifdef RS6000COFF_C | |
402 | else if (!strcmp (sec_name, _PAD)) | |
403 | { | |
404 | styp_flags = STYP_PAD; | |
405 | } | |
406 | else if (!strcmp (sec_name, _LOADER)) | |
407 | { | |
408 | styp_flags = STYP_LOADER; | |
409 | } | |
3ea928f5 | 410 | #endif |
47cf4997 | 411 | /* Try and figure out what it should be */ |
9783e04a | 412 | else if (sec_flags & SEC_CODE) |
fbb61b50 SC |
413 | { |
414 | styp_flags = STYP_TEXT; | |
415 | } | |
9783e04a | 416 | else if (sec_flags & SEC_DATA) |
fbb61b50 SC |
417 | { |
418 | styp_flags = STYP_DATA; | |
419 | } | |
47cf4997 | 420 | else if (sec_flags & SEC_READONLY) |
fbb61b50 | 421 | { |
47cf4997 | 422 | #ifdef STYP_LIT /* 29k readonly text/data section */ |
fbb61b50 | 423 | styp_flags = STYP_LIT; |
41f50af0 | 424 | #else |
fbb61b50 | 425 | styp_flags = STYP_TEXT; |
9783e04a | 426 | #endif /* STYP_LIT */ |
fbb61b50 | 427 | } |
47cf4997 | 428 | else if (sec_flags & SEC_LOAD) |
fbb61b50 SC |
429 | { |
430 | styp_flags = STYP_TEXT; | |
431 | } | |
432 | else if (sec_flags & SEC_ALLOC) | |
433 | { | |
434 | styp_flags = STYP_BSS; | |
435 | } | |
41f50af0 | 436 | |
b26059aa | 437 | #ifdef STYP_NOLOAD |
c16313f0 | 438 | if ((sec_flags & (SEC_NEVER_LOAD | SEC_COFF_SHARED_LIBRARY)) != 0) |
9783e04a | 439 | styp_flags |= STYP_NOLOAD; |
b26059aa ILT |
440 | #endif |
441 | ||
5a28331f ILT |
442 | #ifdef COFF_WITH_PE |
443 | if (sec_flags & SEC_LINK_ONCE) | |
444 | styp_flags |= IMAGE_SCN_LNK_COMDAT; | |
445 | #endif | |
446 | ||
9783e04a | 447 | return (styp_flags); |
41f50af0 | 448 | } |
cbdc7909 | 449 | /* |
41f50af0 | 450 | * Return a word with SEC_* flags set to represent the incoming |
cbdc7909 JG |
451 | * STYP_* flags (from scnhdr.s_flags). The inverse of this |
452 | * function is sec_to_styp_flags(). | |
41f50af0 SC |
453 | * NOTE: If you add to/change this routine, you should mirror the changes |
454 | * in sec_to_styp_flags(). | |
455 | */ | |
cbdc7909 | 456 | static flagword |
e8fbe6d9 ILT |
457 | styp_to_sec_flags (abfd, hdr, name) |
458 | bfd *abfd; | |
57a1867e | 459 | PTR hdr; |
e8fbe6d9 | 460 | const char *name; |
41f50af0 | 461 | { |
075caafd ILT |
462 | struct internal_scnhdr *internal_s = (struct internal_scnhdr *) hdr; |
463 | long styp_flags = internal_s->s_flags; | |
9783e04a | 464 | flagword sec_flags = 0; |
41f50af0 | 465 | |
b26059aa ILT |
466 | #ifdef STYP_NOLOAD |
467 | if (styp_flags & STYP_NOLOAD) | |
9783e04a DM |
468 | { |
469 | sec_flags |= SEC_NEVER_LOAD; | |
470 | } | |
b26059aa ILT |
471 | #endif /* STYP_NOLOAD */ |
472 | ||
8f718ed3 ILT |
473 | /* For 386 COFF, at least, an unloadable text or data section is |
474 | actually a shared library section. */ | |
475 | if (styp_flags & STYP_TEXT) | |
9783e04a DM |
476 | { |
477 | if (sec_flags & SEC_NEVER_LOAD) | |
c16313f0 | 478 | sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY; |
9783e04a DM |
479 | else |
480 | sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
481 | } | |
8f718ed3 | 482 | else if (styp_flags & STYP_DATA) |
9783e04a DM |
483 | { |
484 | if (sec_flags & SEC_NEVER_LOAD) | |
c16313f0 | 485 | sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY; |
9783e04a DM |
486 | else |
487 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
488 | } | |
489 | else if (styp_flags & STYP_BSS) | |
490 | { | |
35d835c4 | 491 | #ifdef BSS_NOLOAD_IS_SHARED_LIBRARY |
9783e04a | 492 | if (sec_flags & SEC_NEVER_LOAD) |
c16313f0 | 493 | sec_flags |= SEC_ALLOC | SEC_COFF_SHARED_LIBRARY; |
9783e04a | 494 | else |
35d835c4 | 495 | #endif |
9783e04a DM |
496 | sec_flags |= SEC_ALLOC; |
497 | } | |
498 | else if (styp_flags & STYP_INFO) | |
fbb61b50 | 499 | { |
b5b056fc KR |
500 | /* We mark these as SEC_DEBUGGING, but only if COFF_PAGE_SIZE is |
501 | defined. coff_compute_section_file_positions uses | |
502 | COFF_PAGE_SIZE to ensure that the low order bits of the | |
503 | section VMA and the file offset match. If we don't know | |
504 | COFF_PAGE_SIZE, we can't ensure the correct correspondence, | |
505 | and demand page loading of the file will fail. */ | |
506 | #ifdef COFF_PAGE_SIZE | |
507 | sec_flags |= SEC_DEBUGGING; | |
508 | #endif | |
fbb61b50 | 509 | } |
28a0c103 ILT |
510 | else if (styp_flags & STYP_PAD) |
511 | { | |
512 | sec_flags = 0; | |
513 | } | |
e8fbe6d9 ILT |
514 | else if (strcmp (name, _TEXT) == 0) |
515 | { | |
516 | if (sec_flags & SEC_NEVER_LOAD) | |
517 | sec_flags |= SEC_CODE | SEC_COFF_SHARED_LIBRARY; | |
518 | else | |
519 | sec_flags |= SEC_CODE | SEC_LOAD | SEC_ALLOC; | |
520 | } | |
1af85fbb | 521 | else if (strcmp (name, _DATA) == 0) |
e8fbe6d9 ILT |
522 | { |
523 | if (sec_flags & SEC_NEVER_LOAD) | |
524 | sec_flags |= SEC_DATA | SEC_COFF_SHARED_LIBRARY; | |
525 | else | |
526 | sec_flags |= SEC_DATA | SEC_LOAD | SEC_ALLOC; | |
527 | } | |
528 | else if (strcmp (name, _BSS) == 0) | |
529 | { | |
530 | #ifdef BSS_NOLOAD_IS_SHARED_LIBRARY | |
531 | if (sec_flags & SEC_NEVER_LOAD) | |
532 | sec_flags |= SEC_ALLOC | SEC_COFF_SHARED_LIBRARY; | |
533 | else | |
534 | #endif | |
535 | sec_flags |= SEC_ALLOC; | |
536 | } | |
537 | else if (strcmp (name, ".debug") == 0 | |
538 | #ifdef _COMMENT | |
539 | || strcmp (name, _COMMENT) == 0 | |
540 | #endif | |
89665c85 | 541 | || strncmp (name, ".stab", 5) == 0) |
e8fbe6d9 ILT |
542 | { |
543 | #ifdef COFF_PAGE_SIZE | |
544 | sec_flags |= SEC_DEBUGGING; | |
545 | #endif | |
546 | } | |
547 | #ifdef _LIB | |
548 | else if (strcmp (name, _LIB) == 0) | |
549 | ; | |
550 | #endif | |
551 | #ifdef _LIT | |
552 | else if (strcmp (name, _LIT) == 0) | |
553 | { | |
554 | sec_flags = SEC_LOAD | SEC_ALLOC | SEC_READONLY; | |
555 | } | |
556 | #endif | |
8070f29d | 557 | else |
9783e04a DM |
558 | { |
559 | sec_flags |= SEC_ALLOC | SEC_LOAD; | |
560 | } | |
b26059aa | 561 | |
8070f29d KR |
562 | #ifdef STYP_LIT /* A29k readonly text/data section type */ |
563 | if ((styp_flags & STYP_LIT) == STYP_LIT) | |
9783e04a DM |
564 | { |
565 | sec_flags = (SEC_LOAD | SEC_ALLOC | SEC_READONLY); | |
566 | } | |
567 | #endif /* STYP_LIT */ | |
8070f29d KR |
568 | #ifdef STYP_OTHER_LOAD /* Other loaded sections */ |
569 | if (styp_flags & STYP_OTHER_LOAD) | |
9783e04a DM |
570 | { |
571 | sec_flags = (SEC_LOAD | SEC_ALLOC); | |
572 | } | |
573 | #endif /* STYP_SDATA */ | |
41f50af0 | 574 | |
5a28331f ILT |
575 | #ifdef COFF_WITH_PE |
576 | if (styp_flags & IMAGE_SCN_LNK_REMOVE) | |
577 | sec_flags |= SEC_EXCLUDE; | |
578 | ||
579 | if (styp_flags & IMAGE_SCN_LNK_COMDAT) | |
580 | { | |
581 | sec_flags |= SEC_LINK_ONCE; | |
582 | ||
583 | /* Unfortunately, the PE format stores essential information in | |
584 | the symbol table, of all places. We need to extract that | |
585 | information now, so that objdump and the linker will know how | |
586 | to handle the section without worrying about the symbols. We | |
587 | can't call slurp_symtab, because the linker doesn't want the | |
588 | swapped symbols. */ | |
589 | ||
590 | if (_bfd_coff_get_external_symbols (abfd)) | |
591 | { | |
592 | bfd_byte *esym, *esymend; | |
593 | ||
594 | esym = (bfd_byte *) obj_coff_external_syms (abfd); | |
595 | esymend = esym + obj_raw_syment_count (abfd) * SYMESZ; | |
596 | ||
597 | while (esym < esymend) | |
598 | { | |
599 | struct internal_syment isym; | |
600 | ||
601 | bfd_coff_swap_sym_in (abfd, (PTR) esym, (PTR) &isym); | |
602 | ||
603 | if (sizeof (internal_s->s_name) > SYMNMLEN) | |
604 | { | |
605 | /* This case implies that the matching symbol name | |
606 | will be in the string table. */ | |
607 | abort (); | |
608 | } | |
609 | ||
610 | if (isym.n_sclass == C_STAT | |
611 | && isym.n_type == T_NULL | |
9aac8e83 | 612 | && isym.n_numaux == 1) |
5a28331f ILT |
613 | { |
614 | char buf[SYMNMLEN + 1]; | |
9aac8e83 | 615 | const char *symname; |
5a28331f | 616 | |
9aac8e83 ILT |
617 | symname = _bfd_coff_internal_syment_name (abfd, &isym, buf); |
618 | if (symname == NULL) | |
619 | abort (); | |
5a28331f | 620 | |
9aac8e83 | 621 | if (strcmp (name, symname) == 0) |
5a28331f ILT |
622 | { |
623 | union internal_auxent aux; | |
624 | ||
625 | /* This is the section symbol. */ | |
626 | ||
627 | bfd_coff_swap_aux_in (abfd, (PTR) (esym + SYMESZ), | |
628 | isym.n_type, isym.n_sclass, | |
629 | 0, isym.n_numaux, (PTR) &aux); | |
630 | ||
631 | switch (aux.x_scn.x_comdat) | |
632 | { | |
633 | case IMAGE_COMDAT_SELECT_NODUPLICATES: | |
634 | sec_flags |= SEC_LINK_DUPLICATES_ONE_ONLY; | |
635 | break; | |
636 | ||
637 | default: | |
638 | case IMAGE_COMDAT_SELECT_ANY: | |
639 | sec_flags |= SEC_LINK_DUPLICATES_DISCARD; | |
640 | break; | |
641 | ||
642 | case IMAGE_COMDAT_SELECT_SAME_SIZE: | |
643 | sec_flags |= SEC_LINK_DUPLICATES_SAME_SIZE; | |
644 | break; | |
645 | ||
646 | case IMAGE_COMDAT_SELECT_EXACT_MATCH: | |
647 | sec_flags |= SEC_LINK_DUPLICATES_SAME_CONTENTS; | |
648 | break; | |
649 | ||
650 | case IMAGE_COMDAT_SELECT_ASSOCIATIVE: | |
651 | /* FIXME: This is not currently implemented. */ | |
652 | sec_flags |= SEC_LINK_DUPLICATES_DISCARD; | |
653 | break; | |
654 | } | |
655 | ||
656 | break; | |
657 | } | |
658 | } | |
659 | ||
660 | esym += (isym.n_numaux + 1) * SYMESZ; | |
661 | } | |
662 | } | |
663 | } | |
664 | #endif | |
665 | ||
9783e04a | 666 | return (sec_flags); |
41f50af0 | 667 | } |
0f268757 | 668 | |
f135c692 | 669 | #define get_index(symbol) ((symbol)->udata.i) |
0f268757 | 670 | |
07de8e96 KR |
671 | /* |
672 | INTERNAL_DEFINITION | |
673 | bfd_coff_backend_data | |
674 | ||
675 | CODE_FRAGMENT | |
676 | ||
c188b0be | 677 | Special entry points for gdb to swap in coff symbol table parts: |
9783e04a | 678 | .typedef struct |
60ac749c | 679 | .{ |
07de8e96 | 680 | . void (*_bfd_coff_swap_aux_in) PARAMS (( |
330595d0 | 681 | . bfd *abfd, |
07de8e96 KR |
682 | . PTR ext, |
683 | . int type, | |
330595d0 ILT |
684 | . int class, |
685 | . int indaux, | |
686 | . int numaux, | |
07de8e96 KR |
687 | . PTR in)); |
688 | . | |
689 | . void (*_bfd_coff_swap_sym_in) PARAMS (( | |
690 | . bfd *abfd , | |
691 | . PTR ext, | |
692 | . PTR in)); | |
693 | . | |
694 | . void (*_bfd_coff_swap_lineno_in) PARAMS (( | |
695 | . bfd *abfd, | |
696 | . PTR ext, | |
697 | . PTR in)); | |
698 | . | |
699 | ||
c188b0be | 700 | Special entry points for gas to swap out coff parts: |
07de8e96 KR |
701 | |
702 | . unsigned int (*_bfd_coff_swap_aux_out) PARAMS (( | |
703 | . bfd *abfd, | |
704 | . PTR in, | |
705 | . int type, | |
706 | . int class, | |
330595d0 ILT |
707 | . int indaux, |
708 | . int numaux, | |
07de8e96 KR |
709 | . PTR ext)); |
710 | . | |
711 | . unsigned int (*_bfd_coff_swap_sym_out) PARAMS (( | |
712 | . bfd *abfd, | |
713 | . PTR in, | |
714 | . PTR ext)); | |
715 | . | |
716 | . unsigned int (*_bfd_coff_swap_lineno_out) PARAMS (( | |
717 | . bfd *abfd, | |
718 | . PTR in, | |
719 | . PTR ext)); | |
720 | . | |
721 | . unsigned int (*_bfd_coff_swap_reloc_out) PARAMS (( | |
722 | . bfd *abfd, | |
723 | . PTR src, | |
724 | . PTR dst)); | |
725 | . | |
726 | . unsigned int (*_bfd_coff_swap_filehdr_out) PARAMS (( | |
727 | . bfd *abfd, | |
728 | . PTR in, | |
729 | . PTR out)); | |
730 | . | |
731 | . unsigned int (*_bfd_coff_swap_aouthdr_out) PARAMS (( | |
732 | . bfd *abfd, | |
733 | . PTR in, | |
734 | . PTR out)); | |
735 | . | |
736 | . unsigned int (*_bfd_coff_swap_scnhdr_out) PARAMS (( | |
737 | . bfd *abfd, | |
738 | . PTR in, | |
739 | . PTR out)); | |
740 | . | |
075caafd ILT |
741 | |
742 | Special entry points for generic COFF routines to call target | |
c188b0be | 743 | dependent COFF routines: |
075caafd ILT |
744 | |
745 | . unsigned int _bfd_filhsz; | |
746 | . unsigned int _bfd_aoutsz; | |
747 | . unsigned int _bfd_scnhsz; | |
748 | . unsigned int _bfd_symesz; | |
749 | . unsigned int _bfd_auxesz; | |
69645d10 | 750 | . unsigned int _bfd_relsz; |
075caafd ILT |
751 | . unsigned int _bfd_linesz; |
752 | . boolean _bfd_coff_long_filenames; | |
e8f3bb64 | 753 | . boolean _bfd_coff_long_section_names; |
46686c78 | 754 | . unsigned int _bfd_coff_default_section_alignment_power; |
075caafd ILT |
755 | . void (*_bfd_coff_swap_filehdr_in) PARAMS (( |
756 | . bfd *abfd, | |
757 | . PTR ext, | |
758 | . PTR in)); | |
759 | . void (*_bfd_coff_swap_aouthdr_in) PARAMS (( | |
760 | . bfd *abfd, | |
761 | . PTR ext, | |
762 | . PTR in)); | |
763 | . void (*_bfd_coff_swap_scnhdr_in) PARAMS (( | |
764 | . bfd *abfd, | |
765 | . PTR ext, | |
766 | . PTR in)); | |
69645d10 ILT |
767 | . void (*_bfd_coff_swap_reloc_in) PARAMS (( |
768 | . bfd *abfd, | |
769 | . PTR ext, | |
770 | . PTR in)); | |
075caafd ILT |
771 | . boolean (*_bfd_coff_bad_format_hook) PARAMS (( |
772 | . bfd *abfd, | |
773 | . PTR internal_filehdr)); | |
774 | . boolean (*_bfd_coff_set_arch_mach_hook) PARAMS (( | |
775 | . bfd *abfd, | |
776 | . PTR internal_filehdr)); | |
777 | . PTR (*_bfd_coff_mkobject_hook) PARAMS (( | |
778 | . bfd *abfd, | |
27f524a3 ILT |
779 | . PTR internal_filehdr, |
780 | . PTR internal_aouthdr)); | |
075caafd ILT |
781 | . flagword (*_bfd_styp_to_sec_flags_hook) PARAMS (( |
782 | . bfd *abfd, | |
e8fbe6d9 ILT |
783 | . PTR internal_scnhdr, |
784 | . const char *name)); | |
075caafd ILT |
785 | . void (*_bfd_set_alignment_hook) PARAMS (( |
786 | . bfd *abfd, | |
787 | . asection *sec, | |
788 | . PTR internal_scnhdr)); | |
789 | . boolean (*_bfd_coff_slurp_symbol_table) PARAMS (( | |
790 | . bfd *abfd)); | |
791 | . boolean (*_bfd_coff_symname_in_debug) PARAMS (( | |
792 | . bfd *abfd, | |
793 | . struct internal_syment *sym)); | |
c80cc833 ILT |
794 | . boolean (*_bfd_coff_pointerize_aux_hook) PARAMS (( |
795 | . bfd *abfd, | |
796 | . combined_entry_type *table_base, | |
797 | . combined_entry_type *symbol, | |
798 | . unsigned int indaux, | |
799 | . combined_entry_type *aux)); | |
0fc9ada9 ILT |
800 | . boolean (*_bfd_coff_print_aux) PARAMS (( |
801 | . bfd *abfd, | |
802 | . FILE *file, | |
803 | . combined_entry_type *table_base, | |
804 | . combined_entry_type *symbol, | |
805 | . combined_entry_type *aux, | |
806 | . unsigned int indaux)); | |
075caafd ILT |
807 | . void (*_bfd_coff_reloc16_extra_cases) PARAMS (( |
808 | . bfd *abfd, | |
330595d0 ILT |
809 | . struct bfd_link_info *link_info, |
810 | . struct bfd_link_order *link_order, | |
075caafd ILT |
811 | . arelent *reloc, |
812 | . bfd_byte *data, | |
813 | . unsigned int *src_ptr, | |
814 | . unsigned int *dst_ptr)); | |
fbb61b50 | 815 | . int (*_bfd_coff_reloc16_estimate) PARAMS (( |
09a28207 | 816 | . bfd *abfd, |
fbb61b50 | 817 | . asection *input_section, |
fbb61b50 | 818 | . arelent *r, |
330595d0 ILT |
819 | . unsigned int shrink, |
820 | . struct bfd_link_info *link_info)); | |
69645d10 ILT |
821 | . boolean (*_bfd_coff_sym_is_global) PARAMS (( |
822 | . bfd *abfd, | |
823 | . struct internal_syment *)); | |
50ede03d | 824 | . boolean (*_bfd_coff_compute_section_file_positions) PARAMS (( |
69645d10 | 825 | . bfd *abfd)); |
a208a70f ILT |
826 | . boolean (*_bfd_coff_start_final_link) PARAMS (( |
827 | . bfd *output_bfd, | |
828 | . struct bfd_link_info *info)); | |
69645d10 ILT |
829 | . boolean (*_bfd_coff_relocate_section) PARAMS (( |
830 | . bfd *output_bfd, | |
831 | . struct bfd_link_info *info, | |
832 | . bfd *input_bfd, | |
833 | . asection *input_section, | |
834 | . bfd_byte *contents, | |
835 | . struct internal_reloc *relocs, | |
836 | . struct internal_syment *syms, | |
837 | . asection **sections)); | |
f135c692 ILT |
838 | . reloc_howto_type *(*_bfd_coff_rtype_to_howto) PARAMS (( |
839 | . bfd *abfd, | |
840 | . asection *sec, | |
841 | . struct internal_reloc *rel, | |
842 | . struct coff_link_hash_entry *h, | |
843 | . struct internal_syment *sym, | |
844 | . bfd_vma *addendp)); | |
845 | . boolean (*_bfd_coff_adjust_symndx) PARAMS (( | |
846 | . bfd *obfd, | |
847 | . struct bfd_link_info *info, | |
848 | . bfd *ibfd, | |
849 | . asection *sec, | |
850 | . struct internal_reloc *reloc, | |
851 | . boolean *adjustedp)); | |
d19df9b5 ILT |
852 | . boolean (*_bfd_coff_link_add_one_symbol) PARAMS (( |
853 | . struct bfd_link_info *info, | |
854 | . bfd *abfd, | |
855 | . const char *name, | |
856 | . flagword flags, | |
857 | . asection *section, | |
858 | . bfd_vma value, | |
859 | . const char *string, | |
860 | . boolean copy, | |
861 | . boolean collect, | |
862 | . struct bfd_link_hash_entry **hashp)); | |
fbb61b50 | 863 | . |
07de8e96 KR |
864 | .} bfd_coff_backend_data; |
865 | . | |
07de8e96 KR |
866 | .#define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) |
867 | . | |
330595d0 ILT |
868 | .#define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ |
869 | . ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) | |
07de8e96 KR |
870 | . |
871 | .#define bfd_coff_swap_sym_in(a,e,i) \ | |
872 | . ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) | |
873 | . | |
874 | .#define bfd_coff_swap_lineno_in(a,e,i) \ | |
875 | . ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) | |
876 | . | |
877 | .#define bfd_coff_swap_reloc_out(abfd, i, o) \ | |
878 | . ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) | |
879 | . | |
880 | .#define bfd_coff_swap_lineno_out(abfd, i, o) \ | |
881 | . ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) | |
882 | . | |
330595d0 ILT |
883 | .#define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ |
884 | . ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) | |
07de8e96 KR |
885 | . |
886 | .#define bfd_coff_swap_sym_out(abfd, i,o) \ | |
887 | . ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) | |
888 | . | |
889 | .#define bfd_coff_swap_scnhdr_out(abfd, i,o) \ | |
890 | . ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) | |
891 | . | |
892 | .#define bfd_coff_swap_filehdr_out(abfd, i,o) \ | |
893 | . ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) | |
894 | . | |
895 | .#define bfd_coff_swap_aouthdr_out(abfd, i,o) \ | |
896 | . ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) | |
897 | . | |
075caafd ILT |
898 | .#define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) |
899 | .#define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) | |
900 | .#define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) | |
901 | .#define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) | |
902 | .#define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) | |
69645d10 | 903 | .#define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) |
075caafd ILT |
904 | .#define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) |
905 | .#define bfd_coff_long_filenames(abfd) (coff_backend_info (abfd)->_bfd_coff_long_filenames) | |
e8f3bb64 ILT |
906 | .#define bfd_coff_long_section_names(abfd) \ |
907 | . (coff_backend_info (abfd)->_bfd_coff_long_section_names) | |
46686c78 NC |
908 | .#define bfd_coff_default_section_alignment_power(abfd) \ |
909 | . (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) | |
075caafd ILT |
910 | .#define bfd_coff_swap_filehdr_in(abfd, i,o) \ |
911 | . ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) | |
912 | . | |
913 | .#define bfd_coff_swap_aouthdr_in(abfd, i,o) \ | |
914 | . ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) | |
915 | . | |
916 | .#define bfd_coff_swap_scnhdr_in(abfd, i,o) \ | |
917 | . ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) | |
918 | . | |
69645d10 ILT |
919 | .#define bfd_coff_swap_reloc_in(abfd, i, o) \ |
920 | . ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) | |
921 | . | |
075caafd ILT |
922 | .#define bfd_coff_bad_format_hook(abfd, filehdr) \ |
923 | . ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) | |
924 | . | |
925 | .#define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ | |
926 | . ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) | |
27f524a3 ILT |
927 | .#define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ |
928 | . ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook) (abfd, filehdr, aouthdr)) | |
075caafd | 929 | . |
e8fbe6d9 ILT |
930 | .#define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name)\ |
931 | . ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook) (abfd, scnhdr, name)) | |
075caafd | 932 | . |
075caafd ILT |
933 | .#define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ |
934 | . ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) | |
935 | . | |
936 | .#define bfd_coff_slurp_symbol_table(abfd)\ | |
937 | . ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) | |
938 | . | |
939 | .#define bfd_coff_symname_in_debug(abfd, sym)\ | |
940 | . ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) | |
941 | . | |
0fc9ada9 ILT |
942 | .#define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ |
943 | . ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ | |
944 | . (abfd, file, base, symbol, aux, indaux)) | |
945 | . | |
330595d0 | 946 | .#define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)\ |
075caafd | 947 | . ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ |
330595d0 | 948 | . (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) |
fbb61b50 | 949 | . |
09a28207 | 950 | .#define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ |
fbb61b50 | 951 | . ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ |
09a28207 | 952 | . (abfd, section, reloc, shrink, link_info)) |
9783e04a | 953 | . |
69645d10 ILT |
954 | .#define bfd_coff_sym_is_global(abfd, sym)\ |
955 | . ((coff_backend_info (abfd)->_bfd_coff_sym_is_global)\ | |
956 | . (abfd, sym)) | |
957 | . | |
958 | .#define bfd_coff_compute_section_file_positions(abfd)\ | |
959 | . ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ | |
960 | . (abfd)) | |
961 | . | |
a208a70f ILT |
962 | .#define bfd_coff_start_final_link(obfd, info)\ |
963 | . ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ | |
964 | . (obfd, info)) | |
69645d10 ILT |
965 | .#define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ |
966 | . ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ | |
967 | . (obfd, info, ibfd, o, con, rel, isyms, secs)) | |
f135c692 ILT |
968 | .#define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ |
969 | . ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ | |
970 | . (abfd, sec, rel, h, sym, addendp)) | |
971 | .#define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ | |
972 | . ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ | |
973 | . (obfd, info, ibfd, sec, rel, adjustedp)) | |
cbe75cb6 | 974 | .#define bfd_coff_link_add_one_symbol(info,abfd,name,flags,section,value,string,cp,coll,hashp)\ |
d19df9b5 ILT |
975 | . ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ |
976 | . (info, abfd, name, flags, section, value, string, cp, coll, hashp)) | |
69645d10 | 977 | . |
07de8e96 | 978 | */ |
0f268757 | 979 | |
075caafd | 980 | /* See whether the magic number matches. */ |
7a8b18b6 | 981 | |
075caafd | 982 | static boolean |
57a1867e DM |
983 | coff_bad_format_hook (abfd, filehdr) |
984 | bfd * abfd; | |
985 | PTR filehdr; | |
0f268757 | 986 | { |
075caafd | 987 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; |
0f268757 | 988 | |
075caafd ILT |
989 | if (BADMAG (*internal_f)) |
990 | return false; | |
0f268757 | 991 | |
075caafd ILT |
992 | /* if the optional header is NULL or not the correct size then |
993 | quit; the only difference I can see between m88k dgux headers (MC88DMAGIC) | |
994 | and Intel 960 readwrite headers (I960WRMAGIC) is that the | |
995 | optional header is of a different size. | |
cbdc7909 | 996 | |
075caafd ILT |
997 | But the mips keeps extra stuff in it's opthdr, so dont check |
998 | when doing that | |
999 | */ | |
0f268757 | 1000 | |
075caafd ILT |
1001 | #if defined(M88) || defined(I960) |
1002 | if (internal_f->f_opthdr != 0 && AOUTSZ != internal_f->f_opthdr) | |
1003 | return false; | |
0f268757 | 1004 | #endif |
0f268757 | 1005 | |
075caafd | 1006 | return true; |
0f268757 SC |
1007 | } |
1008 | ||
0f268757 SC |
1009 | /* |
1010 | initialize a section structure with information peculiar to this | |
1011 | particular implementation of coff | |
1012 | */ | |
1013 | ||
075caafd | 1014 | static boolean |
57a1867e DM |
1015 | coff_new_section_hook (abfd, section) |
1016 | bfd * abfd; | |
1017 | asection * section; | |
0f268757 | 1018 | { |
f135c692 ILT |
1019 | section->alignment_power = COFF_DEFAULT_SECTION_ALIGNMENT_POWER; |
1020 | ||
5f710a3a ILT |
1021 | #ifdef RS6000COFF_C |
1022 | if (xcoff_data (abfd)->text_align_power != 0 | |
1023 | && strcmp (bfd_get_section_name (abfd, section), ".text") == 0) | |
1024 | section->alignment_power = xcoff_data (abfd)->text_align_power; | |
1025 | if (xcoff_data (abfd)->data_align_power != 0 | |
1026 | && strcmp (bfd_get_section_name (abfd, section), ".data") == 0) | |
1027 | section->alignment_power = xcoff_data (abfd)->data_align_power; | |
1028 | #endif | |
1029 | ||
8070f29d KR |
1030 | /* Allocate aux records for section symbols, to store size and |
1031 | related info. | |
1032 | ||
1d8eda7a DE |
1033 | @@ The 10 is a guess at a plausible maximum number of aux entries |
1034 | (but shouldn't be a constant). */ | |
8070f29d KR |
1035 | coffsymbol (section->symbol)->native = |
1036 | (combined_entry_type *) bfd_zalloc (abfd, | |
1037 | sizeof (combined_entry_type) * 10); | |
c16313f0 | 1038 | |
f135c692 ILT |
1039 | /* The .stab section must be aligned to 2**2 at most, because |
1040 | otherwise there may be gaps in the section which gdb will not | |
1041 | know how to interpret. Examining the section name is a hack, but | |
850985ee ILT |
1042 | that is also how gdb locates the section. |
1043 | We need to handle the .ctors and .dtors sections similarly, to | |
1044 | avoid introducing null words in the tables. */ | |
f135c692 | 1045 | if (COFF_DEFAULT_SECTION_ALIGNMENT_POWER > 2 |
850985ee ILT |
1046 | && (strncmp (section->name, ".stab", 5) == 0 |
1047 | || strcmp (section->name, ".ctors") == 0 | |
1048 | || strcmp (section->name, ".dtors") == 0)) | |
f135c692 | 1049 | section->alignment_power = 2; |
c16313f0 | 1050 | |
4a3d3b42 ILT |
1051 | /* Similarly, the .stabstr section must be aligned to 2**0 at most. */ |
1052 | if (COFF_DEFAULT_SECTION_ALIGNMENT_POWER > 0 | |
1053 | && strncmp (section->name, ".stabstr", 8) == 0) | |
1054 | section->alignment_power = 0; | |
1055 | ||
0f268757 SC |
1056 | return true; |
1057 | } | |
1058 | ||
0f268757 | 1059 | #ifdef I960 |
e98e6ec1 | 1060 | |
075caafd ILT |
1061 | /* Set the alignment of a BFD section. */ |
1062 | ||
46686c78 NC |
1063 | static void coff_set_alignment_hook PARAMS ((bfd *, asection *, PTR)); |
1064 | ||
075caafd | 1065 | static void |
57a1867e DM |
1066 | coff_set_alignment_hook (abfd, section, scnhdr) |
1067 | bfd * abfd; | |
1068 | asection * section; | |
1069 | PTR scnhdr; | |
e98e6ec1 | 1070 | { |
075caafd ILT |
1071 | struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr; |
1072 | unsigned int i; | |
1073 | ||
1074 | for (i = 0; i < 32; i++) | |
1075 | if ((1 << i) >= hdr->s_align) | |
1076 | break; | |
1077 | section->alignment_power = i; | |
e98e6ec1 SC |
1078 | } |
1079 | ||
c769947b SS |
1080 | #else /* ! I960 */ |
1081 | #ifdef COFF_WITH_PE | |
d6f41a7d KK |
1082 | |
1083 | /* a couple of macros to help setting the alignment power field */ | |
1084 | #define ALIGN_SET(field,x,y) \ | |
1085 | if (((field) & IMAGE_SCN_ALIGN_64BYTES) == x )\ | |
1086 | {\ | |
1087 | section->alignment_power = y;\ | |
1088 | } | |
1089 | ||
1090 | #define ELIFALIGN_SET(field,x,y) \ | |
1091 | else if (( (field) & IMAGE_SCN_ALIGN_64BYTES) == x ) \ | |
1092 | {\ | |
1093 | section->alignment_power = y;\ | |
1094 | } | |
1095 | ||
46686c78 NC |
1096 | static void coff_set_alignment_hook PARAMS ((bfd *, asection *, PTR)); |
1097 | ||
d6f41a7d KK |
1098 | static void |
1099 | coff_set_alignment_hook (abfd, section, scnhdr) | |
1100 | bfd * abfd; | |
1101 | asection * section; | |
1102 | PTR scnhdr; | |
1103 | { | |
1104 | struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr; | |
1105 | ||
1106 | ALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_64BYTES, 6) | |
1107 | ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_32BYTES, 5) | |
1108 | ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_16BYTES, 4) | |
1109 | ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_8BYTES, 3) | |
1110 | ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_4BYTES, 2) | |
1111 | ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_2BYTES, 1) | |
1112 | ELIFALIGN_SET (hdr->s_flags, IMAGE_SCN_ALIGN_1BYTES, 0) | |
59066248 KK |
1113 | |
1114 | #ifdef POWERPC_LE_PE | |
1115 | if (strcmp (section->name, ".idata$2") == 0) | |
1116 | { | |
59066248 KK |
1117 | section->alignment_power = 0; |
1118 | } | |
1119 | else if (strcmp (section->name, ".idata$3") == 0) | |
1120 | { | |
59066248 KK |
1121 | section->alignment_power = 0; |
1122 | } | |
1123 | else if (strcmp (section->name, ".idata$4") == 0) | |
1124 | { | |
59066248 KK |
1125 | section->alignment_power = 2; |
1126 | } | |
1127 | else if (strcmp (section->name, ".idata$5") == 0) | |
1128 | { | |
59066248 KK |
1129 | section->alignment_power = 2; |
1130 | } | |
1131 | else if (strcmp (section->name, ".idata$6") == 0) | |
1132 | { | |
59066248 KK |
1133 | section->alignment_power = 1; |
1134 | } | |
caa740be KK |
1135 | else if (strcmp (section->name, ".reloc") == 0) |
1136 | { | |
1137 | section->alignment_power = 1; | |
1138 | } | |
e7894f6b KK |
1139 | else if (strncmp (section->name, ".stab", 5) == 0) |
1140 | { | |
1141 | section->alignment_power = 2; | |
1142 | } | |
59066248 | 1143 | #endif |
b9110a3c | 1144 | |
34255b70 | 1145 | #ifdef COFF_IMAGE_WITH_PE |
b9110a3c DE |
1146 | /* In a PE image file, the s_paddr field holds the virtual size of a |
1147 | section, while the s_size field holds the raw size. */ | |
1148 | if (hdr->s_paddr != 0) | |
1149 | { | |
1150 | if (coff_section_data (abfd, section) == NULL) | |
1151 | { | |
1152 | section->used_by_bfd = | |
1153 | (PTR) bfd_zalloc (abfd, sizeof (struct coff_section_tdata)); | |
1154 | if (section->used_by_bfd == NULL) | |
1155 | { | |
1156 | /* FIXME: Return error. */ | |
1157 | abort (); | |
1158 | } | |
1159 | } | |
1160 | if (pei_section_data (abfd, section) == NULL) | |
1161 | { | |
1162 | coff_section_data (abfd, section)->tdata = | |
1163 | (PTR) bfd_zalloc (abfd, sizeof (struct pei_section_tdata)); | |
1164 | if (coff_section_data (abfd, section)->tdata == NULL) | |
1165 | { | |
1166 | /* FIXME: Return error. */ | |
1167 | abort (); | |
1168 | } | |
1169 | } | |
1170 | pei_section_data (abfd, section)->virt_size = hdr->s_paddr; | |
1171 | } | |
1172 | #endif | |
1173 | ||
d6f41a7d KK |
1174 | } |
1175 | #undef ALIGN_SET | |
1176 | #undef ELIFALIGN_SET | |
1177 | ||
c769947b SS |
1178 | #else /* ! COFF_WITH_PE */ |
1179 | #ifdef RS6000COFF_C | |
1180 | ||
1181 | /* We grossly abuse this function to handle XCOFF overflow headers. | |
1182 | When we see one, we correct the reloc and line number counts in the | |
1183 | real header, and remove the section we just created. */ | |
1184 | ||
46686c78 NC |
1185 | static void coff_set_alignment_hook PARAMS ((bfd *, asection *, PTR)); |
1186 | ||
c769947b SS |
1187 | static void |
1188 | coff_set_alignment_hook (abfd, section, scnhdr) | |
1189 | bfd *abfd; | |
1190 | asection *section; | |
1191 | PTR scnhdr; | |
1192 | { | |
1193 | struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr; | |
1194 | asection *real_sec; | |
1195 | asection **ps; | |
1196 | ||
1197 | if ((hdr->s_flags & STYP_OVRFLO) == 0) | |
1198 | return; | |
1199 | ||
1200 | real_sec = coff_section_from_bfd_index (abfd, hdr->s_nreloc); | |
1201 | if (real_sec == NULL) | |
1202 | return; | |
1203 | ||
1204 | real_sec->reloc_count = hdr->s_paddr; | |
1205 | real_sec->lineno_count = hdr->s_vaddr; | |
1206 | ||
1207 | for (ps = &abfd->sections; *ps != NULL; ps = &(*ps)->next) | |
1208 | { | |
1209 | if (*ps == section) | |
1210 | { | |
1211 | *ps = (*ps)->next; | |
1212 | --abfd->section_count; | |
1213 | break; | |
1214 | } | |
1215 | } | |
1216 | } | |
1217 | ||
1218 | #else /* ! RS6000COFF_C */ | |
0f268757 | 1219 | |
075caafd ILT |
1220 | #define coff_set_alignment_hook \ |
1221 | ((void (*) PARAMS ((bfd *, asection *, PTR))) bfd_void) | |
41f50af0 | 1222 | |
c769947b SS |
1223 | #endif /* ! RS6000COFF_C */ |
1224 | #endif /* ! COFF_WITH_PE */ | |
075caafd | 1225 | #endif /* ! I960 */ |
0f268757 | 1226 | |
beee31b1 | 1227 | #ifndef coff_mkobject |
46686c78 NC |
1228 | |
1229 | static boolean coff_mkobject PARAMS ((bfd *)); | |
1230 | ||
9783e04a | 1231 | static boolean |
57a1867e DM |
1232 | coff_mkobject (abfd) |
1233 | bfd * abfd; | |
0f268757 | 1234 | { |
075caafd ILT |
1235 | coff_data_type *coff; |
1236 | ||
9783e04a DM |
1237 | abfd->tdata.coff_obj_data = (struct coff_tdata *) bfd_zalloc (abfd, sizeof (coff_data_type)); |
1238 | if (abfd->tdata.coff_obj_data == 0) | |
a9713b91 | 1239 | return false; |
075caafd ILT |
1240 | coff = coff_data (abfd); |
1241 | coff->symbols = (coff_symbol_type *) NULL; | |
1242 | coff->conversion_table = (unsigned int *) NULL; | |
1243 | coff->raw_syments = (struct coff_ptr_struct *) NULL; | |
075caafd | 1244 | coff->relocbase = 0; |
d6f41a7d KK |
1245 | coff->local_toc_sym_map = 0; |
1246 | ||
6590a8c9 | 1247 | /* make_abs_section(abfd);*/ |
89665c85 | 1248 | |
0f268757 SC |
1249 | return true; |
1250 | } | |
beee31b1 | 1251 | #endif |
0f268757 | 1252 | |
075caafd | 1253 | /* Create the COFF backend specific information. */ |
beee31b1 | 1254 | #ifndef coff_mkobject_hook |
9783e04a | 1255 | static PTR |
57a1867e DM |
1256 | coff_mkobject_hook (abfd, filehdr, aouthdr) |
1257 | bfd * abfd; | |
1258 | PTR filehdr; | |
1259 | PTR aouthdr; | |
0f268757 | 1260 | { |
075caafd | 1261 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; |
0f268757 | 1262 | coff_data_type *coff; |
cbdc7909 | 1263 | |
075caafd ILT |
1264 | if (coff_mkobject (abfd) == false) |
1265 | return NULL; | |
e98e6ec1 | 1266 | |
075caafd | 1267 | coff = coff_data (abfd); |
cbdc7909 | 1268 | |
075caafd | 1269 | coff->sym_filepos = internal_f->f_symptr; |
cbdc7909 | 1270 | |
075caafd ILT |
1271 | /* These members communicate important constants about the symbol |
1272 | table to GDB's symbol-reading code. These `constants' | |
1273 | unfortunately vary among coff implementations... */ | |
1274 | coff->local_n_btmask = N_BTMASK; | |
1275 | coff->local_n_btshft = N_BTSHFT; | |
9783e04a | 1276 | coff->local_n_tmask = N_TMASK; |
075caafd | 1277 | coff->local_n_tshift = N_TSHIFT; |
9783e04a DM |
1278 | coff->local_symesz = SYMESZ; |
1279 | coff->local_auxesz = AUXESZ; | |
1280 | coff->local_linesz = LINESZ; | |
cbdc7909 | 1281 | |
69645d10 ILT |
1282 | obj_raw_syment_count (abfd) = |
1283 | obj_conv_table_size (abfd) = | |
1284 | internal_f->f_nsyms; | |
1285 | ||
5f710a3a ILT |
1286 | #ifdef RS6000COFF_C |
1287 | if ((internal_f->f_flags & F_SHROBJ) != 0) | |
1288 | abfd->flags |= DYNAMIC; | |
1289 | if (aouthdr != NULL && internal_f->f_opthdr >= AOUTSZ) | |
1290 | { | |
1291 | struct internal_aouthdr *internal_a = | |
1292 | (struct internal_aouthdr *) aouthdr; | |
1293 | struct xcoff_tdata *xcoff; | |
1294 | ||
1295 | xcoff = xcoff_data (abfd); | |
867d923d | 1296 | xcoff->full_aouthdr = true; |
5f710a3a | 1297 | xcoff->toc = internal_a->o_toc; |
d19df9b5 ILT |
1298 | xcoff->sntoc = internal_a->o_sntoc; |
1299 | xcoff->snentry = internal_a->o_snentry; | |
5f710a3a ILT |
1300 | xcoff->text_align_power = internal_a->o_algntext; |
1301 | xcoff->data_align_power = internal_a->o_algndata; | |
1302 | xcoff->modtype = internal_a->o_modtype; | |
dd984644 | 1303 | xcoff->cputype = internal_a->o_cputype; |
5f710a3a ILT |
1304 | xcoff->maxdata = internal_a->o_maxdata; |
1305 | xcoff->maxstack = internal_a->o_maxstack; | |
1306 | } | |
1307 | #endif | |
1308 | ||
46686c78 NC |
1309 | #ifdef ARM |
1310 | /* Set the flags field from the COFF header read in */ | |
1311 | if (! coff_arm_bfd_set_private_flags (abfd, internal_f->f_flags)) | |
1312 | coff->flags = 0; | |
1313 | #endif | |
1314 | ||
075caafd ILT |
1315 | return (PTR) coff; |
1316 | } | |
beee31b1 | 1317 | #endif |
cbdc7909 | 1318 | |
075caafd ILT |
1319 | /* Determine the machine architecture and type. FIXME: This is target |
1320 | dependent because the magic numbers are defined in the target | |
1321 | dependent header files. But there is no particular need for this. | |
1322 | If the magic numbers were moved to a separate file, this function | |
1323 | would be target independent and would also be much more successful | |
1324 | at linking together COFF files for different architectures. */ | |
cbdc7909 | 1325 | |
075caafd | 1326 | static boolean |
9783e04a | 1327 | coff_set_arch_mach_hook (abfd, filehdr) |
4d09e8ac JK |
1328 | bfd *abfd; |
1329 | PTR filehdr; | |
075caafd ILT |
1330 | { |
1331 | long machine; | |
1332 | enum bfd_architecture arch; | |
1333 | struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; | |
e98e6ec1 | 1334 | |
075caafd | 1335 | machine = 0; |
9783e04a DM |
1336 | switch (internal_f->f_magic) |
1337 | { | |
80b2dd82 KK |
1338 | #ifdef PPCMAGIC |
1339 | case PPCMAGIC: | |
1340 | arch = bfd_arch_powerpc; | |
1341 | machine = 0; /* what does this mean? (krk) */ | |
1342 | break; | |
1343 | #endif | |
20fdc627 | 1344 | #ifdef I386MAGIC |
9783e04a DM |
1345 | case I386MAGIC: |
1346 | case I386PTXMAGIC: | |
1347 | case I386AIXMAGIC: /* Danbury PS/2 AIX C Compiler */ | |
1348 | case LYNXCOFFMAGIC: /* shadows the m68k Lynx number below, sigh */ | |
1349 | arch = bfd_arch_i386; | |
1350 | machine = 0; | |
1351 | break; | |
20fdc627 | 1352 | #endif |
cbdc7909 | 1353 | #ifdef A29K_MAGIC_BIG |
9783e04a DM |
1354 | case A29K_MAGIC_BIG: |
1355 | case A29K_MAGIC_LITTLE: | |
1356 | arch = bfd_arch_a29k; | |
1357 | machine = 0; | |
1358 | break; | |
41f50af0 | 1359 | #endif |
89665c85 SC |
1360 | #ifdef ARMMAGIC |
1361 | case ARMMAGIC: | |
1362 | arch = bfd_arch_arm; | |
46686c78 NC |
1363 | switch (internal_f->f_flags & F_ARM_ARCHITECTURE_MASK) |
1364 | { | |
1365 | case F_ARM_2: machine = bfd_mach_arm_2; break; | |
1366 | case F_ARM_2a: machine = bfd_mach_arm_2a; break; | |
1367 | case F_ARM_3: machine = bfd_mach_arm_3; break; | |
1368 | default: | |
1369 | case F_ARM_3M: machine = bfd_mach_arm_3M; break; | |
1370 | case F_ARM_4: machine = bfd_mach_arm_4; break; | |
1371 | case F_ARM_4T: machine = bfd_mach_arm_4T; break; | |
1372 | } | |
89665c85 SC |
1373 | break; |
1374 | #endif | |
0f268757 | 1375 | #ifdef MC68MAGIC |
9783e04a DM |
1376 | case MC68MAGIC: |
1377 | case M68MAGIC: | |
97eb2f0c | 1378 | #ifdef MC68KBCSMAGIC |
9783e04a | 1379 | case MC68KBCSMAGIC: |
97eb2f0c KR |
1380 | #endif |
1381 | #ifdef APOLLOM68KMAGIC | |
9783e04a | 1382 | case APOLLOM68KMAGIC: |
c188b0be DM |
1383 | #endif |
1384 | #ifdef LYNXCOFFMAGIC | |
9783e04a | 1385 | case LYNXCOFFMAGIC: |
97eb2f0c | 1386 | #endif |
9783e04a DM |
1387 | arch = bfd_arch_m68k; |
1388 | machine = 68020; | |
1389 | break; | |
0f268757 SC |
1390 | #endif |
1391 | #ifdef MC88MAGIC | |
9783e04a DM |
1392 | case MC88MAGIC: |
1393 | case MC88DMAGIC: | |
1394 | case MC88OMAGIC: | |
1395 | arch = bfd_arch_m88k; | |
1396 | machine = 88100; | |
1397 | break; | |
0f268757 | 1398 | #endif |
dc999ad9 | 1399 | #ifdef Z8KMAGIC |
9783e04a DM |
1400 | case Z8KMAGIC: |
1401 | arch = bfd_arch_z8k; | |
1402 | switch (internal_f->f_flags & F_MACHMASK) | |
1403 | { | |
1404 | case F_Z8001: | |
1405 | machine = bfd_mach_z8001; | |
1406 | break; | |
1407 | case F_Z8002: | |
1408 | machine = bfd_mach_z8002; | |
1409 | break; | |
1410 | default: | |
1411 | return false; | |
1412 | } | |
1413 | break; | |
dc999ad9 | 1414 | #endif |
cf587de8 ILT |
1415 | #ifdef I860 |
1416 | case I860MAGIC: | |
1417 | arch = bfd_arch_i860; | |
1418 | break; | |
1419 | #endif | |
0f268757 SC |
1420 | #ifdef I960 |
1421 | #ifdef I960ROMAGIC | |
9783e04a DM |
1422 | case I960ROMAGIC: |
1423 | case I960RWMAGIC: | |
1424 | arch = bfd_arch_i960; | |
1425 | switch (F_I960TYPE & internal_f->f_flags) | |
0f268757 SC |
1426 | { |
1427 | default: | |
1428 | case F_I960CORE: | |
0d740984 | 1429 | machine = bfd_mach_i960_core; |
0f268757 SC |
1430 | break; |
1431 | case F_I960KB: | |
0d740984 | 1432 | machine = bfd_mach_i960_kb_sb; |
0f268757 | 1433 | break; |
9783e04a | 1434 | case F_I960MC: |
0d740984 | 1435 | machine = bfd_mach_i960_mc; |
0f268757 SC |
1436 | break; |
1437 | case F_I960XA: | |
0d740984 | 1438 | machine = bfd_mach_i960_xa; |
0f268757 SC |
1439 | break; |
1440 | case F_I960CA: | |
0d740984 | 1441 | machine = bfd_mach_i960_ca; |
0f268757 SC |
1442 | break; |
1443 | case F_I960KA: | |
0d740984 | 1444 | machine = bfd_mach_i960_ka_sa; |
0f268757 | 1445 | break; |
57289b5c JL |
1446 | case F_I960JX: |
1447 | machine = bfd_mach_i960_jx; | |
b5b056fc | 1448 | break; |
cbe75cb6 ILT |
1449 | case F_I960HX: |
1450 | machine = bfd_mach_i960_hx; | |
1451 | break; | |
0f268757 | 1452 | } |
9783e04a | 1453 | break; |
0f268757 SC |
1454 | #endif |
1455 | #endif | |
cbdc7909 | 1456 | |
dd984644 | 1457 | #ifdef RS6000COFF_C |
9783e04a DM |
1458 | case U802ROMAGIC: |
1459 | case U802WRMAGIC: | |
1460 | case U802TOCMAGIC: | |
dd984644 ILT |
1461 | { |
1462 | int cputype; | |
1463 | ||
1464 | if (xcoff_data (abfd)->cputype != -1) | |
1465 | cputype = xcoff_data (abfd)->cputype & 0xff; | |
1466 | else | |
1467 | { | |
1468 | /* We did not get a value from the a.out header. If the | |
1469 | file has not been stripped, we may be able to get the | |
1470 | architecture information from the first symbol, if it | |
1471 | is a .file symbol. */ | |
1472 | if (obj_raw_syment_count (abfd) == 0) | |
1473 | cputype = 0; | |
1474 | else | |
1475 | { | |
1476 | bfd_byte buf[SYMESZ]; | |
1477 | struct internal_syment sym; | |
1478 | ||
1479 | if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0 | |
1480 | || bfd_read (buf, 1, SYMESZ, abfd) != SYMESZ) | |
1481 | return false; | |
1482 | coff_swap_sym_in (abfd, (PTR) buf, (PTR) &sym); | |
1483 | if (sym.n_sclass == C_FILE) | |
1484 | cputype = sym.n_type & 0xff; | |
1485 | else | |
1486 | cputype = 0; | |
1487 | } | |
1488 | } | |
1489 | ||
1490 | /* FIXME: We don't handle all cases here. */ | |
1491 | switch (cputype) | |
1492 | { | |
1493 | default: | |
1494 | case 0: | |
db344f82 | 1495 | #ifdef POWERMAC |
dd984644 ILT |
1496 | /* PowerPC Macs use the same magic numbers as RS/6000 |
1497 | (because that's how they were bootstrapped originally), | |
1498 | but they are always PowerPC architecture. */ | |
1499 | arch = bfd_arch_powerpc; | |
c769947b | 1500 | machine = 0; |
db344f82 | 1501 | #else |
dd984644 ILT |
1502 | arch = bfd_arch_rs6000; |
1503 | machine = 6000; | |
db344f82 | 1504 | #endif /* POWERMAC */ |
dd984644 ILT |
1505 | break; |
1506 | ||
1507 | case 1: | |
1508 | arch = bfd_arch_powerpc; | |
1509 | machine = 601; | |
1510 | break; | |
1511 | case 2: /* 64 bit PowerPC */ | |
1512 | arch = bfd_arch_powerpc; | |
1513 | machine = 620; | |
1514 | break; | |
1515 | case 3: | |
1516 | arch = bfd_arch_powerpc; | |
1517 | machine = 0; | |
1518 | break; | |
1519 | case 4: | |
1520 | arch = bfd_arch_rs6000; | |
1521 | machine = 6000; | |
1522 | break; | |
1523 | } | |
1524 | } | |
9783e04a | 1525 | break; |
cbdc7909 JG |
1526 | #endif |
1527 | ||
dc999ad9 | 1528 | #ifdef WE32KMAGIC |
9783e04a DM |
1529 | case WE32KMAGIC: |
1530 | arch = bfd_arch_we32k; | |
1531 | machine = 0; | |
1532 | break; | |
dc999ad9 ILT |
1533 | #endif |
1534 | ||
3b4f1a5d | 1535 | #ifdef H8300MAGIC |
9783e04a DM |
1536 | case H8300MAGIC: |
1537 | arch = bfd_arch_h8300; | |
1538 | machine = bfd_mach_h8300; | |
1539 | /* !! FIXME this probably isn't the right place for this */ | |
1540 | abfd->flags |= BFD_IS_RELAXABLE; | |
1541 | break; | |
4d09e8ac JK |
1542 | #endif |
1543 | ||
1544 | #ifdef H8300HMAGIC | |
9783e04a DM |
1545 | case H8300HMAGIC: |
1546 | arch = bfd_arch_h8300; | |
1547 | machine = bfd_mach_h8300h; | |
1548 | /* !! FIXME this probably isn't the right place for this */ | |
1549 | abfd->flags |= BFD_IS_RELAXABLE; | |
1550 | break; | |
142ce43e SC |
1551 | #endif |
1552 | ||
b9110a3c DE |
1553 | #ifdef H8300SMAGIC |
1554 | case H8300SMAGIC: | |
1555 | arch = bfd_arch_h8300; | |
1556 | machine = bfd_mach_h8300s; | |
1557 | /* !! FIXME this probably isn't the right place for this */ | |
1558 | abfd->flags |= BFD_IS_RELAXABLE; | |
1559 | break; | |
1560 | #endif | |
1561 | ||
f135c692 ILT |
1562 | #ifdef SH_ARCH_MAGIC_BIG |
1563 | case SH_ARCH_MAGIC_BIG: | |
1564 | case SH_ARCH_MAGIC_LITTLE: | |
9783e04a DM |
1565 | arch = bfd_arch_sh; |
1566 | machine = 0; | |
1567 | break; | |
9faacb92 SC |
1568 | #endif |
1569 | ||
142ce43e | 1570 | #ifdef H8500MAGIC |
9783e04a DM |
1571 | case H8500MAGIC: |
1572 | arch = bfd_arch_h8500; | |
1573 | machine = 0; | |
1574 | break; | |
3b4f1a5d | 1575 | #endif |
cbdc7909 | 1576 | |
c188b0be | 1577 | #ifdef SPARCMAGIC |
9783e04a | 1578 | case SPARCMAGIC: |
c16313f0 ILT |
1579 | #ifdef LYNXCOFFMAGIC |
1580 | case LYNXCOFFMAGIC: | |
1581 | #endif | |
9783e04a DM |
1582 | arch = bfd_arch_sparc; |
1583 | machine = 0; | |
1584 | break; | |
c188b0be DM |
1585 | #endif |
1586 | ||
28eb95aa FF |
1587 | #ifdef TIC80_ARCH_MAGIC |
1588 | case TIC80_ARCH_MAGIC: | |
1589 | arch = bfd_arch_tic80; | |
1590 | break; | |
1591 | #endif | |
1592 | ||
9783e04a DM |
1593 | default: /* Unreadable input file type */ |
1594 | arch = bfd_arch_obscure; | |
1595 | break; | |
1596 | } | |
cbdc7909 | 1597 | |
9783e04a | 1598 | bfd_default_set_arch_mach (abfd, arch, machine); |
075caafd ILT |
1599 | return true; |
1600 | } | |
cbdc7909 | 1601 | |
075caafd | 1602 | #ifdef SYMNAME_IN_DEBUG |
6f715d66 | 1603 | |
46686c78 NC |
1604 | static boolean symname_in_debug_hook |
1605 | PARAMS ((bfd *, struct internal_syment *)); | |
1606 | ||
075caafd | 1607 | static boolean |
57a1867e DM |
1608 | symname_in_debug_hook (abfd, sym) |
1609 | bfd * abfd; | |
1610 | struct internal_syment *sym; | |
075caafd ILT |
1611 | { |
1612 | return SYMNAME_IN_DEBUG (sym) ? true : false; | |
1613 | } | |
6f715d66 | 1614 | |
075caafd | 1615 | #else |
cbdc7909 | 1616 | |
075caafd ILT |
1617 | #define symname_in_debug_hook \ |
1618 | (boolean (*) PARAMS ((bfd *, struct internal_syment *))) bfd_false | |
cbdc7909 | 1619 | |
075caafd | 1620 | #endif |
7a8b18b6 | 1621 | |
c80cc833 ILT |
1622 | #ifdef RS6000COFF_C |
1623 | ||
0fc9ada9 | 1624 | /* Handle the csect auxent of a C_EXT or C_HIDEXT symbol. */ |
c80cc833 ILT |
1625 | |
1626 | static boolean coff_pointerize_aux_hook | |
1627 | PARAMS ((bfd *, combined_entry_type *, combined_entry_type *, | |
1628 | unsigned int, combined_entry_type *)); | |
1629 | ||
1630 | /*ARGSUSED*/ | |
1631 | static boolean | |
1632 | coff_pointerize_aux_hook (abfd, table_base, symbol, indaux, aux) | |
1633 | bfd *abfd; | |
1634 | combined_entry_type *table_base; | |
1635 | combined_entry_type *symbol; | |
1636 | unsigned int indaux; | |
1637 | combined_entry_type *aux; | |
1638 | { | |
1639 | int class = symbol->u.syment.n_sclass; | |
1640 | ||
0fc9ada9 ILT |
1641 | if ((class == C_EXT || class == C_HIDEXT) |
1642 | && indaux + 1 == symbol->u.syment.n_numaux) | |
1643 | { | |
1644 | if (SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp) == XTY_LD) | |
1645 | { | |
1646 | aux->u.auxent.x_csect.x_scnlen.p = | |
1647 | table_base + aux->u.auxent.x_csect.x_scnlen.l; | |
1648 | aux->fix_scnlen = 1; | |
1649 | } | |
1650 | ||
1651 | /* Return true to indicate that the caller should not do any | |
1652 | further work on this auxent. */ | |
1653 | return true; | |
1654 | } | |
1655 | ||
1656 | /* Return false to indicate that this auxent should be handled by | |
1657 | the caller. */ | |
1658 | return false; | |
c80cc833 ILT |
1659 | } |
1660 | ||
1661 | #else | |
1662 | #ifdef I960 | |
1663 | ||
1664 | /* We don't want to pointerize bal entries. */ | |
1665 | ||
1666 | static boolean coff_pointerize_aux_hook | |
1667 | PARAMS ((bfd *, combined_entry_type *, combined_entry_type *, | |
1668 | unsigned int, combined_entry_type *)); | |
1669 | ||
1670 | /*ARGSUSED*/ | |
1671 | static boolean | |
1672 | coff_pointerize_aux_hook (abfd, table_base, symbol, indaux, aux) | |
1673 | bfd *abfd; | |
1674 | combined_entry_type *table_base; | |
1675 | combined_entry_type *symbol; | |
1676 | unsigned int indaux; | |
1677 | combined_entry_type *aux; | |
1678 | { | |
1679 | /* Return true if we don't want to pointerize this aux entry, which | |
1680 | is the case for the lastfirst aux entry for a C_LEAFPROC symbol. */ | |
a418e05d ILT |
1681 | return (indaux == 1 |
1682 | && (symbol->u.syment.n_sclass == C_LEAFPROC | |
1683 | || symbol->u.syment.n_sclass == C_LEAFSTAT | |
1684 | || symbol->u.syment.n_sclass == C_LEAFEXT)); | |
c80cc833 ILT |
1685 | } |
1686 | ||
1687 | #else /* ! I960 */ | |
1688 | ||
1689 | #define coff_pointerize_aux_hook 0 | |
1690 | ||
1691 | #endif /* ! I960 */ | |
1692 | #endif /* ! RS6000COFF_C */ | |
1693 | ||
0fc9ada9 ILT |
1694 | /* Print an aux entry. This returns true if it has printed it. */ |
1695 | ||
1696 | static boolean coff_print_aux | |
1697 | PARAMS ((bfd *, FILE *, combined_entry_type *, combined_entry_type *, | |
1698 | combined_entry_type *, unsigned int)); | |
1699 | ||
1700 | static boolean | |
1701 | coff_print_aux (abfd, file, table_base, symbol, aux, indaux) | |
1702 | bfd *abfd; | |
1703 | FILE *file; | |
1704 | combined_entry_type *table_base; | |
1705 | combined_entry_type *symbol; | |
1706 | combined_entry_type *aux; | |
1707 | unsigned int indaux; | |
1708 | { | |
1709 | #ifdef RS6000COFF_C | |
1710 | if ((symbol->u.syment.n_sclass == C_EXT | |
1711 | || symbol->u.syment.n_sclass == C_HIDEXT) | |
1712 | && indaux + 1 == symbol->u.syment.n_numaux) | |
1713 | { | |
1714 | /* This is a csect entry. */ | |
1715 | fprintf (file, "AUX "); | |
1716 | if (SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp) != XTY_LD) | |
1717 | { | |
1718 | BFD_ASSERT (! aux->fix_scnlen); | |
1719 | fprintf (file, "val %5ld", aux->u.auxent.x_csect.x_scnlen.l); | |
1720 | } | |
1721 | else | |
1722 | { | |
1723 | fprintf (file, "indx "); | |
1724 | if (! aux->fix_scnlen) | |
1725 | fprintf (file, "%4ld", aux->u.auxent.x_csect.x_scnlen.l); | |
1726 | else | |
1727 | fprintf (file, "%4ld", | |
1728 | (long) (aux->u.auxent.x_csect.x_scnlen.p - table_base)); | |
1729 | } | |
1730 | fprintf (file, | |
1731 | " prmhsh %ld snhsh %u typ %d algn %d clss %u stb %ld snstb %u", | |
1732 | aux->u.auxent.x_csect.x_parmhash, | |
1733 | (unsigned int) aux->u.auxent.x_csect.x_snhash, | |
1734 | SMTYP_SMTYP (aux->u.auxent.x_csect.x_smtyp), | |
1735 | SMTYP_ALIGN (aux->u.auxent.x_csect.x_smtyp), | |
1736 | (unsigned int) aux->u.auxent.x_csect.x_smclas, | |
1737 | aux->u.auxent.x_csect.x_stab, | |
1738 | (unsigned int) aux->u.auxent.x_csect.x_snstab); | |
1739 | return true; | |
1740 | } | |
1741 | #endif | |
1742 | ||
1743 | /* Return false to indicate that no special action was taken. */ | |
1744 | return false; | |
1745 | } | |
1746 | ||
9fda1a39 SC |
1747 | /* |
1748 | SUBSUBSECTION | |
c188b0be | 1749 | Writing relocations |
9fda1a39 | 1750 | |
c188b0be DM |
1751 | To write relocations, the back end steps though the |
1752 | canonical relocation table and create an | |
9fda1a39 | 1753 | @code{internal_reloc}. The symbol index to use is removed from |
c188b0be | 1754 | the @code{offset} field in the symbol table supplied. The |
9fda1a39 | 1755 | address comes directly from the sum of the section base |
c188b0be | 1756 | address and the relocation offset; the type is dug directly |
9fda1a39 SC |
1757 | from the howto field. Then the @code{internal_reloc} is |
1758 | swapped into the shape of an @code{external_reloc} and written | |
9783e04a | 1759 | out to disk. |
9fda1a39 | 1760 | |
6f715d66 | 1761 | */ |
0f268757 | 1762 | |
d19df9b5 ILT |
1763 | #ifdef TARG_AUX |
1764 | ||
1765 | static int compare_arelent_ptr PARAMS ((const PTR, const PTR)); | |
1766 | ||
1767 | /* AUX's ld wants relocations to be sorted */ | |
1768 | static int | |
1769 | compare_arelent_ptr (x, y) | |
1770 | const PTR x; | |
1771 | const PTR y; | |
1772 | { | |
1773 | const arelent **a = (const arelent **) x; | |
1774 | const arelent **b = (const arelent **) y; | |
1775 | bfd_size_type aadr = (*a)->address; | |
1776 | bfd_size_type badr = (*b)->address; | |
1777 | ||
1778 | return (aadr < badr ? -1 : badr < aadr ? 1 : 0); | |
1779 | } | |
1780 | ||
1781 | #endif /* TARG_AUX */ | |
1782 | ||
791a3db4 | 1783 | static boolean |
89665c85 | 1784 | coff_write_relocs (abfd, first_undef) |
57a1867e | 1785 | bfd * abfd; |
89665c85 | 1786 | int first_undef; |
6f715d66 | 1787 | { |
9783e04a | 1788 | asection *s; |
d19df9b5 | 1789 | |
9783e04a DM |
1790 | for (s = abfd->sections; s != (asection *) NULL; s = s->next) |
1791 | { | |
1792 | unsigned int i; | |
1793 | struct external_reloc dst; | |
d19df9b5 ILT |
1794 | arelent **p; |
1795 | ||
1796 | #ifndef TARG_AUX | |
1797 | p = s->orelocation; | |
1798 | #else | |
1799 | /* sort relocations before we write them out */ | |
1800 | p = (arelent **) bfd_malloc (s->reloc_count * sizeof (arelent *)); | |
1801 | if (p == NULL && s->reloc_count > 0) | |
1802 | return false; | |
1803 | memcpy (p, s->orelocation, s->reloc_count * sizeof (arelent *)); | |
1804 | qsort (p, s->reloc_count, sizeof (arelent *), compare_arelent_ptr); | |
1805 | #endif | |
9783e04a | 1806 | |
791a3db4 ILT |
1807 | if (bfd_seek (abfd, s->rel_filepos, SEEK_SET) != 0) |
1808 | return false; | |
9783e04a DM |
1809 | for (i = 0; i < s->reloc_count; i++) |
1810 | { | |
1811 | struct internal_reloc n; | |
1812 | arelent *q = p[i]; | |
1813 | memset ((PTR) & n, 0, sizeof (n)); | |
1814 | ||
89665c85 SC |
1815 | /* Now we've renumbered the symbols we know where the |
1816 | undefined symbols live in the table. Check the reloc | |
1817 | entries for symbols who's output bfd isn't the right one. | |
1818 | This is because the symbol was undefined (which means | |
1819 | that all the pointers are never made to point to the same | |
1820 | place). This is a bad thing,'cause the symbols attached | |
1821 | to the output bfd are indexed, so that the relocation | |
1822 | entries know which symbol index they point to. So we | |
1823 | have to look up the output symbol here. */ | |
1824 | ||
1825 | if (q->sym_ptr_ptr[0]->the_bfd != abfd) | |
1826 | { | |
1827 | int i; | |
1828 | const char *sname = q->sym_ptr_ptr[0]->name; | |
1829 | asymbol **outsyms = abfd->outsymbols; | |
1830 | for (i = first_undef; outsyms[i]; i++) | |
1831 | { | |
1832 | const char *intable = outsyms[i]->name; | |
1833 | if (strcmp (intable, sname) == 0) { | |
1834 | /* got a hit, so repoint the reloc */ | |
1835 | q->sym_ptr_ptr = outsyms + i; | |
1836 | break; | |
1837 | } | |
1838 | } | |
1839 | } | |
1840 | ||
9783e04a DM |
1841 | n.r_vaddr = q->address + s->vma; |
1842 | ||
1843 | #ifdef R_IHCONST | |
1844 | /* The 29k const/consth reloc pair is a real kludge. The consth | |
89665c85 SC |
1845 | part doesn't have a symbol; it has an offset. So rebuilt |
1846 | that here. */ | |
9783e04a DM |
1847 | if (q->howto->type == R_IHCONST) |
1848 | n.r_symndx = q->addend; | |
1849 | else | |
780c477a | 1850 | #endif |
89665c85 SC |
1851 | if (q->sym_ptr_ptr) |
1852 | { | |
1853 | if (q->sym_ptr_ptr == bfd_abs_section_ptr->symbol_ptr_ptr) | |
1854 | /* This is a relocation relative to the absolute symbol. */ | |
1855 | n.r_symndx = -1; | |
1856 | else | |
1857 | { | |
1858 | n.r_symndx = get_index ((*(q->sym_ptr_ptr))); | |
1859 | /* Take notice if the symbol reloc points to a symbol | |
1860 | we don't have in our symbol table. What should we | |
1861 | do for this?? */ | |
1862 | if (n.r_symndx > obj_conv_table_size (abfd)) | |
1863 | abort (); | |
1864 | } | |
1865 | } | |
780c477a | 1866 | |
cd83759c | 1867 | #ifdef SWAP_OUT_RELOC_OFFSET |
9783e04a | 1868 | n.r_offset = q->addend; |
cd83759c | 1869 | #endif |
c26d7d17 | 1870 | |
0f268757 | 1871 | #ifdef SELECT_RELOC |
9783e04a DM |
1872 | /* Work out reloc type from what is required */ |
1873 | SELECT_RELOC (n, q->howto); | |
0f268757 | 1874 | #else |
9783e04a | 1875 | n.r_type = q->howto->type; |
0f268757 | 1876 | #endif |
9783e04a | 1877 | coff_swap_reloc_out (abfd, &n, &dst); |
791a3db4 ILT |
1878 | if (bfd_write ((PTR) & dst, 1, RELSZ, abfd) != RELSZ) |
1879 | return false; | |
9783e04a | 1880 | } |
d19df9b5 ILT |
1881 | |
1882 | #ifdef TARG_AUX | |
1883 | if (p != NULL) | |
1884 | free (p); | |
1885 | #endif | |
0f268757 | 1886 | } |
791a3db4 ILT |
1887 | |
1888 | return true; | |
6f715d66 | 1889 | } |
7a8b18b6 SC |
1890 | |
1891 | /* Set flags and magic number of a coff file from architecture and machine | |
1892 | type. Result is true if we can represent the arch&type, false if not. */ | |
0f268757 | 1893 | |
9783e04a | 1894 | static boolean |
57a1867e DM |
1895 | coff_set_flags (abfd, magicp, flagsp) |
1896 | bfd * abfd; | |
46686c78 | 1897 | unsigned int *magicp; |
57a1867e | 1898 | unsigned short *flagsp; |
6f715d66 | 1899 | { |
9783e04a | 1900 | switch (bfd_get_arch (abfd)) |
dc999ad9 | 1901 | { |
9783e04a DM |
1902 | #ifdef Z8KMAGIC |
1903 | case bfd_arch_z8k: | |
1904 | *magicp = Z8KMAGIC; | |
1905 | switch (bfd_get_mach (abfd)) | |
1906 | { | |
1907 | case bfd_mach_z8001: | |
1908 | *flagsp = F_Z8001; | |
1909 | break; | |
1910 | case bfd_mach_z8002: | |
1911 | *flagsp = F_Z8002; | |
1912 | break; | |
1913 | default: | |
1914 | return false; | |
1915 | } | |
1916 | return true; | |
dc999ad9 | 1917 | #endif |
0f268757 | 1918 | #ifdef I960ROMAGIC |
cbdc7909 | 1919 | |
3b4f1a5d | 1920 | case bfd_arch_i960: |
cbdc7909 | 1921 | |
6f715d66 | 1922 | { |
9783e04a | 1923 | unsigned flags; |
6f715d66 SC |
1924 | *magicp = I960ROMAGIC; |
1925 | /* | |
1926 | ((bfd_get_file_flags(abfd) & WP_TEXT) ? I960ROMAGIC : | |
1927 | I960RWMAGIC); FIXME??? | |
1928 | */ | |
9783e04a DM |
1929 | switch (bfd_get_mach (abfd)) |
1930 | { | |
1931 | case bfd_mach_i960_core: | |
1932 | flags = F_I960CORE; | |
1933 | break; | |
1934 | case bfd_mach_i960_kb_sb: | |
1935 | flags = F_I960KB; | |
1936 | break; | |
1937 | case bfd_mach_i960_mc: | |
1938 | flags = F_I960MC; | |
1939 | break; | |
1940 | case bfd_mach_i960_xa: | |
1941 | flags = F_I960XA; | |
1942 | break; | |
1943 | case bfd_mach_i960_ca: | |
1944 | flags = F_I960CA; | |
1945 | break; | |
1946 | case bfd_mach_i960_ka_sa: | |
1947 | flags = F_I960KA; | |
1948 | break; | |
57289b5c JL |
1949 | case bfd_mach_i960_jx: |
1950 | flags = F_I960JX; | |
b5b056fc | 1951 | break; |
cbe75cb6 ILT |
1952 | case bfd_mach_i960_hx: |
1953 | flags = F_I960HX; | |
1954 | break; | |
9783e04a DM |
1955 | default: |
1956 | return false; | |
1957 | } | |
6f715d66 SC |
1958 | *flagsp = flags; |
1959 | return true; | |
1960 | } | |
9783e04a | 1961 | break; |
0f268757 | 1962 | #endif |
13b58694 FF |
1963 | /* start-sanitize-tic80 */ |
1964 | #ifdef TIC80_ARCH_MAGIC | |
1965 | case bfd_arch_tic80: | |
1966 | *magicp = TIC80_ARCH_MAGIC; | |
1967 | return true; | |
1968 | #endif | |
1969 | /* end-sanitize-tic80 */ | |
89665c85 SC |
1970 | #ifdef ARMMAGIC |
1971 | case bfd_arch_arm: | |
46686c78 | 1972 | * magicp = ARMMAGIC; |
4c4badea NC |
1973 | * flagsp = 0; |
1974 | if (APCS_SET (abfd) && APCS_FLAG (abfd)) | |
46686c78 NC |
1975 | * flagsp = F_APCS26; |
1976 | switch (bfd_get_mach (abfd)) | |
1977 | { | |
1978 | case bfd_mach_arm_2: * flagsp |= F_ARM_2; break; | |
1979 | case bfd_mach_arm_2a: * flagsp |= F_ARM_2a; break; | |
1980 | case bfd_mach_arm_3: * flagsp |= F_ARM_3; break; | |
1981 | case bfd_mach_arm_3M: * flagsp |= F_ARM_3M; break; | |
1982 | case bfd_mach_arm_4: * flagsp |= F_ARM_4; break; | |
1983 | case bfd_mach_arm_4T: * flagsp |= F_ARM_4T; break; | |
1984 | } | |
89665c85 SC |
1985 | return true; |
1986 | #endif | |
80b2dd82 KK |
1987 | #ifdef PPCMAGIC |
1988 | case bfd_arch_powerpc: | |
1989 | *magicp = PPCMAGIC; | |
1990 | return true; | |
1991 | break; | |
1992 | #endif | |
20fdc627 | 1993 | #ifdef I386MAGIC |
9783e04a DM |
1994 | case bfd_arch_i386: |
1995 | *magicp = I386MAGIC; | |
c188b0be | 1996 | #ifdef LYNXOS |
9783e04a DM |
1997 | /* Just overwrite the usual value if we're doing Lynx. */ |
1998 | *magicp = LYNXCOFFMAGIC; | |
c188b0be | 1999 | #endif |
9783e04a DM |
2000 | return true; |
2001 | break; | |
20fdc627 | 2002 | #endif |
cf587de8 ILT |
2003 | #ifdef I860MAGIC |
2004 | case bfd_arch_i860: | |
2005 | *magicp = I860MAGIC; | |
2006 | return true; | |
2007 | break; | |
2008 | #endif | |
0f268757 | 2009 | #ifdef MC68MAGIC |
9783e04a | 2010 | case bfd_arch_m68k: |
97eb2f0c | 2011 | #ifdef APOLLOM68KMAGIC |
9783e04a | 2012 | *magicp = APOLLO_COFF_VERSION_NUMBER; |
6270adfb ILT |
2013 | #else |
2014 | /* NAMES_HAVE_UNDERSCORE may be defined by coff-u68k.c. */ | |
2015 | #ifdef NAMES_HAVE_UNDERSCORE | |
2016 | *magicp = MC68KBCSMAGIC; | |
97eb2f0c | 2017 | #else |
9783e04a | 2018 | *magicp = MC68MAGIC; |
c188b0be | 2019 | #endif |
6270adfb | 2020 | #endif |
c188b0be | 2021 | #ifdef LYNXOS |
9783e04a DM |
2022 | /* Just overwrite the usual value if we're doing Lynx. */ |
2023 | *magicp = LYNXCOFFMAGIC; | |
97eb2f0c | 2024 | #endif |
9783e04a DM |
2025 | return true; |
2026 | break; | |
0f268757 | 2027 | #endif |
cbdc7909 | 2028 | |
0f268757 | 2029 | #ifdef MC88MAGIC |
3b4f1a5d SC |
2030 | case bfd_arch_m88k: |
2031 | *magicp = MC88OMAGIC; | |
2032 | return true; | |
2033 | break; | |
2034 | #endif | |
2035 | #ifdef H8300MAGIC | |
2036 | case bfd_arch_h8300: | |
9783e04a DM |
2037 | switch (bfd_get_mach (abfd)) |
2038 | { | |
2039 | case bfd_mach_h8300: | |
2040 | *magicp = H8300MAGIC; | |
2041 | return true; | |
2042 | case bfd_mach_h8300h: | |
2043 | *magicp = H8300HMAGIC; | |
2044 | return true; | |
b9110a3c DE |
2045 | case bfd_mach_h8300s: |
2046 | *magicp = H8300SMAGIC; | |
2047 | return true; | |
9783e04a | 2048 | } |
3b4f1a5d | 2049 | break; |
0f268757 | 2050 | #endif |
9faacb92 | 2051 | |
f135c692 | 2052 | #ifdef SH_ARCH_MAGIC_BIG |
9783e04a | 2053 | case bfd_arch_sh: |
d812945a | 2054 | if (bfd_big_endian (abfd)) |
f135c692 ILT |
2055 | *magicp = SH_ARCH_MAGIC_BIG; |
2056 | else | |
2057 | *magicp = SH_ARCH_MAGIC_LITTLE; | |
9faacb92 SC |
2058 | return true; |
2059 | break; | |
2060 | #endif | |
2061 | ||
c188b0be | 2062 | #ifdef SPARCMAGIC |
9783e04a DM |
2063 | case bfd_arch_sparc: |
2064 | *magicp = SPARCMAGIC; | |
c188b0be | 2065 | #ifdef LYNXOS |
9783e04a DM |
2066 | /* Just overwrite the usual value if we're doing Lynx. */ |
2067 | *magicp = LYNXCOFFMAGIC; | |
c188b0be | 2068 | #endif |
9783e04a DM |
2069 | return true; |
2070 | break; | |
c188b0be DM |
2071 | #endif |
2072 | ||
142ce43e SC |
2073 | #ifdef H8500MAGIC |
2074 | case bfd_arch_h8500: | |
2075 | *magicp = H8500MAGIC; | |
2076 | return true; | |
2077 | break; | |
2078 | #endif | |
41f50af0 | 2079 | #ifdef A29K_MAGIC_BIG |
3b4f1a5d | 2080 | case bfd_arch_a29k: |
d812945a | 2081 | if (bfd_big_endian (abfd)) |
9783e04a | 2082 | *magicp = A29K_MAGIC_BIG; |
3b4f1a5d | 2083 | else |
9783e04a | 2084 | *magicp = A29K_MAGIC_LITTLE; |
3b4f1a5d SC |
2085 | return true; |
2086 | break; | |
41f50af0 | 2087 | #endif |
cbdc7909 | 2088 | |
dc999ad9 | 2089 | #ifdef WE32KMAGIC |
9783e04a DM |
2090 | case bfd_arch_we32k: |
2091 | *magicp = WE32KMAGIC; | |
2092 | return true; | |
2093 | break; | |
dc999ad9 ILT |
2094 | #endif |
2095 | ||
cbdc7909 | 2096 | #ifdef U802TOCMAGIC |
9783e04a | 2097 | case bfd_arch_rs6000: |
80b2dd82 | 2098 | #ifndef PPCMAGIC |
09a28207 | 2099 | case bfd_arch_powerpc: |
80b2dd82 | 2100 | #endif |
9783e04a DM |
2101 | *magicp = U802TOCMAGIC; |
2102 | return true; | |
2103 | break; | |
cbdc7909 JG |
2104 | #endif |
2105 | ||
9783e04a DM |
2106 | default: /* Unknown architecture */ |
2107 | /* return false; -- fall through to "return false" below, to avoid | |
cbdc7909 | 2108 | "statement never reached" errors on the one below. */ |
9783e04a DM |
2109 | break; |
2110 | } | |
cbdc7909 | 2111 | |
6f715d66 SC |
2112 | return false; |
2113 | } | |
0f268757 SC |
2114 | |
2115 | ||
9783e04a | 2116 | static boolean |
57a1867e DM |
2117 | coff_set_arch_mach (abfd, arch, machine) |
2118 | bfd * abfd; | |
2119 | enum bfd_architecture arch; | |
2120 | unsigned long machine; | |
6f715d66 | 2121 | { |
9783e04a DM |
2122 | unsigned dummy1; |
2123 | unsigned short dummy2; | |
c16313f0 ILT |
2124 | |
2125 | if (! bfd_default_set_arch_mach (abfd, arch, machine)) | |
2126 | return false; | |
0d740984 SC |
2127 | |
2128 | if (arch != bfd_arch_unknown && | |
9783e04a | 2129 | coff_set_flags (abfd, &dummy1, &dummy2) != true) |
0d740984 | 2130 | return false; /* We can't represent this type */ |
c16313f0 | 2131 | |
0d740984 SC |
2132 | return true; /* We're easy ... */ |
2133 | } | |
0f268757 SC |
2134 | |
2135 | ||
2136 | /* Calculate the file position for each section. */ | |
2137 | ||
50ede03d | 2138 | static boolean |
57a1867e DM |
2139 | coff_compute_section_file_positions (abfd) |
2140 | bfd * abfd; | |
6f715d66 | 2141 | { |
9783e04a DM |
2142 | asection *current; |
2143 | asection *previous = (asection *) NULL; | |
2144 | file_ptr sofar = FILHSZ; | |
50ede03d | 2145 | boolean align_adjust; |
275143eb | 2146 | |
55c95b04 | 2147 | #ifndef I960 |
9783e04a | 2148 | file_ptr old_sofar; |
55c95b04 | 2149 | #endif |
69645d10 ILT |
2150 | unsigned int count; |
2151 | ||
a418e05d ILT |
2152 | #ifdef RS6000COFF_C |
2153 | /* On XCOFF, if we have symbols, set up the .debug section. */ | |
2154 | if (bfd_get_symcount (abfd) > 0) | |
2155 | { | |
2156 | bfd_size_type sz; | |
2157 | bfd_size_type i, symcount; | |
2158 | asymbol **symp; | |
2159 | ||
2160 | sz = 0; | |
2161 | symcount = bfd_get_symcount (abfd); | |
2162 | for (symp = abfd->outsymbols, i = 0; i < symcount; symp++, i++) | |
2163 | { | |
2164 | coff_symbol_type *cf; | |
2165 | ||
2166 | cf = coff_symbol_from (abfd, *symp); | |
2167 | if (cf != NULL | |
2168 | && cf->native != NULL | |
2169 | && SYMNAME_IN_DEBUG (&cf->native->u.syment)) | |
2170 | { | |
2171 | size_t len; | |
2172 | ||
2173 | len = strlen (bfd_asymbol_name (*symp)); | |
2174 | if (len > SYMNMLEN) | |
2175 | sz += len + 3; | |
2176 | } | |
2177 | } | |
2178 | if (sz > 0) | |
2179 | { | |
2180 | asection *dsec; | |
2181 | ||
2182 | dsec = bfd_make_section_old_way (abfd, ".debug"); | |
2183 | if (dsec == NULL) | |
2184 | abort (); | |
2185 | dsec->_raw_size = sz; | |
2186 | dsec->flags |= SEC_HAS_CONTENTS; | |
2187 | } | |
2188 | } | |
2189 | #endif | |
c7f6ebe2 | 2190 | |
3ea928f5 | 2191 | #ifdef COFF_IMAGE_WITH_PE |
275143eb | 2192 | int page_size; |
c7f6ebe2 SC |
2193 | if (coff_data (abfd)->link_info) |
2194 | { | |
beee31b1 | 2195 | page_size = pe_data (abfd)->pe_opthdr.FileAlignment; |
c7f6ebe2 SC |
2196 | } |
2197 | else | |
2198 | page_size = PE_DEF_FILE_ALIGNMENT; | |
a418e05d ILT |
2199 | #else |
2200 | #ifdef COFF_PAGE_SIZE | |
275143eb | 2201 | int page_size = COFF_PAGE_SIZE; |
a418e05d | 2202 | #endif |
3ea928f5 | 2203 | #endif |
275143eb | 2204 | |
9783e04a DM |
2205 | if (bfd_get_start_address (abfd)) |
2206 | { | |
2207 | /* A start address may have been added to the original file. In this | |
c7f6ebe2 | 2208 | case it will need an optional header to record it. */ |
9783e04a DM |
2209 | abfd->flags |= EXEC_P; |
2210 | } | |
85e0c721 | 2211 | |
e98e6ec1 | 2212 | if (abfd->flags & EXEC_P) |
9783e04a | 2213 | sofar += AOUTSZ; |
dd984644 | 2214 | #ifdef RS6000COFF_C |
867d923d ILT |
2215 | else if (xcoff_data (abfd)->full_aouthdr) |
2216 | sofar += AOUTSZ; | |
dd984644 ILT |
2217 | else |
2218 | sofar += SMALL_AOUTSZ; | |
2219 | #endif | |
cbdc7909 | 2220 | |
e98e6ec1 | 2221 | sofar += abfd->section_count * SCNHSZ; |
c769947b SS |
2222 | |
2223 | #ifdef RS6000COFF_C | |
2224 | /* XCOFF handles overflows in the reloc and line number count fields | |
2225 | by allocating a new section header to hold the correct counts. */ | |
2226 | for (current = abfd->sections; current != NULL; current = current->next) | |
2227 | if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff) | |
2228 | sofar += SCNHSZ; | |
2229 | #endif | |
2230 | ||
50ede03d | 2231 | align_adjust = false; |
69645d10 | 2232 | for (current = abfd->sections, count = 1; |
9783e04a | 2233 | current != (asection *) NULL; |
69645d10 | 2234 | current = current->next, ++count) |
9783e04a | 2235 | { |
69645d10 | 2236 | current->target_index = count; |
cbdc7909 | 2237 | |
e98e6ec1 SC |
2238 | /* Only deal with sections which have contents */ |
2239 | if (!(current->flags & SEC_HAS_CONTENTS)) | |
9783e04a | 2240 | continue; |
cbdc7909 | 2241 | |
e98e6ec1 SC |
2242 | /* Align the sections in the file to the same boundary on |
2243 | which they are aligned in virtual memory. I960 doesn't | |
2244 | do this (FIXME) so we can stay in sync with Intel. 960 | |
2245 | doesn't yet page from files... */ | |
0f268757 | 2246 | #ifndef I960 |
31a52a51 ILT |
2247 | if ((abfd->flags & EXEC_P) != 0) |
2248 | { | |
2249 | /* make sure this section is aligned on the right boundary - by | |
2250 | padding the previous section up if necessary */ | |
e98e6ec1 | 2251 | |
31a52a51 ILT |
2252 | old_sofar = sofar; |
2253 | sofar = BFD_ALIGN (sofar, 1 << current->alignment_power); | |
2254 | if (previous != (asection *) NULL) | |
2255 | { | |
2256 | previous->_raw_size += sofar - old_sofar; | |
2257 | } | |
2258 | } | |
85e0c721 | 2259 | |
0f268757 | 2260 | #endif |
b5b056fc | 2261 | |
b5b056fc KR |
2262 | /* In demand paged files the low order bits of the file offset |
2263 | must match the low order bits of the virtual address. */ | |
275143eb | 2264 | #ifdef COFF_PAGE_SIZE |
e8fbe6d9 ILT |
2265 | if ((abfd->flags & D_PAGED) != 0 |
2266 | && (current->flags & SEC_ALLOC) != 0) | |
3ea928f5 | 2267 | sofar += (current->vma - sofar) % page_size; |
275143eb | 2268 | #endif |
e98e6ec1 | 2269 | current->filepos = sofar; |
85e0c721 | 2270 | |
34255b70 | 2271 | #ifdef COFF_IMAGE_WITH_PE |
b9110a3c DE |
2272 | /* With PE we have to pad each section to be a multiple of its |
2273 | page size too, and remember both sizes. */ | |
2274 | ||
2275 | if (coff_section_data (abfd, current) == NULL) | |
2276 | { | |
2277 | current->used_by_bfd = | |
2278 | (PTR) bfd_zalloc (abfd, sizeof (struct coff_section_tdata)); | |
2279 | if (current->used_by_bfd == NULL) | |
50ede03d | 2280 | return false; |
b9110a3c DE |
2281 | } |
2282 | if (pei_section_data (abfd, current) == NULL) | |
2283 | { | |
2284 | coff_section_data (abfd, current)->tdata = | |
2285 | (PTR) bfd_zalloc (abfd, sizeof (struct pei_section_tdata)); | |
2286 | if (coff_section_data (abfd, current)->tdata == NULL) | |
50ede03d | 2287 | return false; |
b9110a3c DE |
2288 | } |
2289 | if (pei_section_data (abfd, current)->virt_size == 0) | |
2290 | pei_section_data (abfd, current)->virt_size = current->_raw_size; | |
2291 | ||
beee31b1 SC |
2292 | current->_raw_size = (current->_raw_size + page_size -1) & -page_size; |
2293 | #endif | |
2294 | ||
5e167886 | 2295 | sofar += current->_raw_size; |
beee31b1 | 2296 | |
5e167886 | 2297 | #ifndef I960 |
e98e6ec1 | 2298 | /* make sure that this section is of the right size too */ |
51776a11 | 2299 | if ((abfd->flags & EXEC_P) == 0) |
6270adfb ILT |
2300 | { |
2301 | bfd_size_type old_size; | |
2302 | ||
2303 | old_size = current->_raw_size; | |
2304 | current->_raw_size = BFD_ALIGN (current->_raw_size, | |
2305 | 1 << current->alignment_power); | |
50ede03d | 2306 | align_adjust = current->_raw_size != old_size; |
6270adfb ILT |
2307 | sofar += current->_raw_size - old_size; |
2308 | } | |
51776a11 SC |
2309 | else |
2310 | { | |
2311 | old_sofar = sofar; | |
2312 | sofar = BFD_ALIGN (sofar, 1 << current->alignment_power); | |
50ede03d | 2313 | align_adjust = sofar != old_sofar; |
51776a11 SC |
2314 | current->_raw_size += sofar - old_sofar; |
2315 | } | |
5e167886 | 2316 | #endif |
85e0c721 | 2317 | |
46686c78 NC |
2318 | #ifdef COFF_IMAGE_WITH_PE |
2319 | /* For PE we need to make sure we pad out to the aligned | |
2320 | _raw_size, in case the caller only writes out data to the | |
2321 | unaligned _raw_size. */ | |
2322 | if (pei_section_data (abfd, current)->virt_size < current->_raw_size) | |
2323 | align_adjust = true; | |
2324 | #endif | |
2325 | ||
35d835c4 JK |
2326 | #ifdef _LIB |
2327 | /* Force .lib sections to start at zero. The vma is then | |
2328 | incremented in coff_set_section_contents. This is right for | |
2329 | SVR3.2. */ | |
2330 | if (strcmp (current->name, _LIB) == 0) | |
2331 | bfd_set_section_vma (abfd, current, 0); | |
2332 | #endif | |
2333 | ||
e98e6ec1 | 2334 | previous = current; |
85e0c721 | 2335 | } |
89665c85 | 2336 | |
50ede03d ILT |
2337 | /* It is now safe to write to the output file. If we needed an |
2338 | alignment adjustment for the last section, then make sure that | |
2339 | there is a byte at offset sofar. If there are no symbols and no | |
2340 | relocs, then nothing follows the last section. If we don't force | |
2341 | the last byte out, then the file may appear to be truncated. */ | |
2342 | if (align_adjust) | |
2343 | { | |
2344 | bfd_byte b; | |
2345 | ||
2346 | b = 0; | |
2347 | if (bfd_seek (abfd, sofar - 1, SEEK_SET) != 0 | |
2348 | || bfd_write (&b, 1, 1, abfd) != 1) | |
2349 | return false; | |
2350 | } | |
2351 | ||
2352 | /* Make sure the relocations are aligned. We don't need to make | |
2353 | sure that this byte exists, because it will only matter if there | |
2354 | really are relocs. */ | |
35a3e78e ILT |
2355 | sofar = BFD_ALIGN (sofar, 1 << COFF_DEFAULT_SECTION_ALIGNMENT_POWER); |
2356 | ||
9783e04a | 2357 | obj_relocbase (abfd) = sofar; |
69645d10 | 2358 | abfd->output_has_begun = true; |
89665c85 | 2359 | |
50ede03d | 2360 | return true; |
6f715d66 | 2361 | } |
0f268757 | 2362 | |
51776a11 SC |
2363 | #if 0 |
2364 | ||
2365 | /* This can never work, because it is called too late--after the | |
2366 | section positions have been set. I can't figure out what it is | |
2367 | for, so I am going to disable it--Ian Taylor 20 March 1996. */ | |
9783e04a | 2368 | |
8070f29d KR |
2369 | /* If .file, .text, .data, .bss symbols are missing, add them. */ |
2370 | /* @@ Should we only be adding missing symbols, or overriding the aux | |
2371 | values for existing section symbols? */ | |
9783e04a | 2372 | static boolean |
8070f29d KR |
2373 | coff_add_missing_symbols (abfd) |
2374 | bfd *abfd; | |
2375 | { | |
2376 | unsigned int nsyms = bfd_get_symcount (abfd); | |
2377 | asymbol **sympp = abfd->outsymbols; | |
2378 | asymbol **sympp2; | |
2379 | unsigned int i; | |
2380 | int need_text = 1, need_data = 1, need_bss = 1, need_file = 1; | |
0f268757 | 2381 | |
8070f29d KR |
2382 | for (i = 0; i < nsyms; i++) |
2383 | { | |
2384 | coff_symbol_type *csym = coff_symbol_from (abfd, sympp[i]); | |
2385 | CONST char *name; | |
9783e04a | 2386 | if (csym) |
8070f29d | 2387 | { |
9783e04a DM |
2388 | /* only do this if there is a coff representation of the input |
2389 | symbol */ | |
2390 | if (csym->native && csym->native->u.syment.n_sclass == C_FILE) | |
2391 | { | |
2392 | need_file = 0; | |
2393 | continue; | |
2394 | } | |
2395 | name = csym->symbol.name; | |
2396 | if (!name) | |
2397 | continue; | |
2398 | if (!strcmp (name, _TEXT)) | |
2399 | need_text = 0; | |
97eb2f0c | 2400 | #ifdef APOLLO_M68 |
9783e04a DM |
2401 | else if (!strcmp (name, ".wtext")) |
2402 | need_text = 0; | |
97eb2f0c | 2403 | #endif |
9783e04a DM |
2404 | else if (!strcmp (name, _DATA)) |
2405 | need_data = 0; | |
2406 | else if (!strcmp (name, _BSS)) | |
2407 | need_bss = 0; | |
2408 | } | |
8070f29d KR |
2409 | } |
2410 | /* Now i == bfd_get_symcount (abfd). */ | |
2411 | /* @@ For now, don't deal with .file symbol. */ | |
2412 | need_file = 0; | |
2413 | ||
2414 | if (!need_text && !need_data && !need_bss && !need_file) | |
9783e04a | 2415 | return true; |
8070f29d | 2416 | nsyms += need_text + need_data + need_bss + need_file; |
50ede03d | 2417 | sympp2 = (asymbol **) bfd_alloc (abfd, nsyms * sizeof (asymbol *)); |
9783e04a | 2418 | if (!sympp2) |
a9713b91 | 2419 | return false; |
8070f29d KR |
2420 | memcpy (sympp2, sympp, i * sizeof (asymbol *)); |
2421 | if (need_file) | |
2422 | { | |
2423 | /* @@ Generate fake .file symbol, in sympp2[i], and increment i. */ | |
2424 | abort (); | |
2425 | } | |
2426 | if (need_text) | |
2427 | sympp2[i++] = coff_section_symbol (abfd, _TEXT); | |
2428 | if (need_data) | |
2429 | sympp2[i++] = coff_section_symbol (abfd, _DATA); | |
2430 | if (need_bss) | |
2431 | sympp2[i++] = coff_section_symbol (abfd, _BSS); | |
9465d03e | 2432 | BFD_ASSERT (i == nsyms); |
8070f29d | 2433 | bfd_set_symtab (abfd, sympp2, nsyms); |
9783e04a | 2434 | return true; |
8070f29d | 2435 | } |
0f268757 | 2436 | |
51776a11 | 2437 | #endif /* 0 */ |
89665c85 | 2438 | |
0f268757 SC |
2439 | /* SUPPRESS 558 */ |
2440 | /* SUPPRESS 529 */ | |
9783e04a | 2441 | static boolean |
57a1867e DM |
2442 | coff_write_object_contents (abfd) |
2443 | bfd * abfd; | |
e98e6ec1 | 2444 | { |
9783e04a | 2445 | asection *current; |
9783e04a DM |
2446 | boolean hasrelocs = false; |
2447 | boolean haslinno = false; | |
dd984644 | 2448 | file_ptr scn_base; |
9783e04a DM |
2449 | file_ptr reloc_base; |
2450 | file_ptr lineno_base; | |
2451 | file_ptr sym_base; | |
9783e04a DM |
2452 | unsigned long reloc_size = 0; |
2453 | unsigned long lnno_size = 0; | |
b9110a3c | 2454 | boolean long_section_names; |
9783e04a DM |
2455 | asection *text_sec = NULL; |
2456 | asection *data_sec = NULL; | |
2457 | asection *bss_sec = NULL; | |
e98e6ec1 SC |
2458 | struct internal_filehdr internal_f; |
2459 | struct internal_aouthdr internal_a; | |
e8f3bb64 ILT |
2460 | #ifdef COFF_LONG_SECTION_NAMES |
2461 | size_t string_size = STRING_SIZE_SIZE; | |
2462 | #endif | |
cbdc7909 | 2463 | |
57a1867e | 2464 | bfd_set_error (bfd_error_system_call); |
6590a8c9 | 2465 | |
0f268757 SC |
2466 | /* Make a pass through the symbol table to count line number entries and |
2467 | put them into the correct asections */ | |
cbdc7909 | 2468 | |
9783e04a | 2469 | lnno_size = coff_count_linenumbers (abfd) * LINESZ; |
cbdc7909 | 2470 | |
c769947b | 2471 | if (abfd->output_has_begun == false) |
50ede03d ILT |
2472 | { |
2473 | if (! coff_compute_section_file_positions (abfd)) | |
2474 | return false; | |
2475 | } | |
c769947b SS |
2476 | |
2477 | reloc_base = obj_relocbase (abfd); | |
2478 | ||
0f268757 | 2479 | /* Work out the size of the reloc and linno areas */ |
cbdc7909 | 2480 | |
e98e6ec1 | 2481 | for (current = abfd->sections; current != NULL; current = |
9783e04a | 2482 | current->next) |
69645d10 | 2483 | reloc_size += current->reloc_count * RELSZ; |
cbdc7909 | 2484 | |
0f268757 SC |
2485 | lineno_base = reloc_base + reloc_size; |
2486 | sym_base = lineno_base + lnno_size; | |
cbdc7909 | 2487 | |
0f268757 | 2488 | /* Indicate in each section->line_filepos its actual file address */ |
e98e6ec1 | 2489 | for (current = abfd->sections; current != NULL; current = |
9783e04a | 2490 | current->next) |
e98e6ec1 | 2491 | { |
69645d10 | 2492 | if (current->lineno_count) |
9783e04a | 2493 | { |
69645d10 ILT |
2494 | current->line_filepos = lineno_base; |
2495 | current->moving_line_filepos = lineno_base; | |
2496 | lineno_base += current->lineno_count * LINESZ; | |
2497 | } | |
2498 | else | |
2499 | { | |
2500 | current->line_filepos = 0; | |
2501 | } | |
2502 | if (current->reloc_count) | |
2503 | { | |
2504 | current->rel_filepos = reloc_base; | |
2505 | reloc_base += current->reloc_count * RELSZ; | |
2506 | } | |
2507 | else | |
2508 | { | |
2509 | current->rel_filepos = 0; | |
e98e6ec1 | 2510 | } |
0f268757 | 2511 | } |
9783e04a | 2512 | |
e98e6ec1 SC |
2513 | /* Write section headers to the file. */ |
2514 | internal_f.f_nscns = 0; | |
89665c85 | 2515 | |
dd984644 ILT |
2516 | if ((abfd->flags & EXEC_P) != 0) |
2517 | scn_base = FILHSZ + AOUTSZ; | |
2518 | else | |
2519 | { | |
2520 | scn_base = FILHSZ; | |
2521 | #ifdef RS6000COFF_C | |
867d923d ILT |
2522 | if (xcoff_data (abfd)->full_aouthdr) |
2523 | scn_base += AOUTSZ; | |
2524 | else | |
2525 | scn_base += SMALL_AOUTSZ; | |
dd984644 ILT |
2526 | #endif |
2527 | } | |
2528 | ||
2529 | if (bfd_seek (abfd, scn_base, SEEK_SET) != 0) | |
3332ea9c | 2530 | return false; |
cbdc7909 | 2531 | |
b9110a3c | 2532 | long_section_names = false; |
3332ea9c SC |
2533 | for (current = abfd->sections; |
2534 | current != NULL; | |
2535 | current = current->next) | |
2536 | { | |
2537 | struct internal_scnhdr section; | |
69645d10 | 2538 | |
89665c85 | 2539 | #ifdef COFF_WITH_PE |
beee31b1 SC |
2540 | /* If we've got a .reloc section, remember. */ |
2541 | ||
dd984644 | 2542 | #ifdef COFF_IMAGE_WITH_PE |
beee31b1 SC |
2543 | if (strcmp (current->name, ".reloc") == 0) |
2544 | { | |
2545 | pe_data (abfd)->has_reloc_section = 1; | |
2546 | } | |
dd984644 ILT |
2547 | #endif |
2548 | ||
89665c85 | 2549 | #endif |
3332ea9c | 2550 | internal_f.f_nscns++; |
e8f3bb64 ILT |
2551 | |
2552 | strncpy (section.s_name, current->name, SCNNMLEN); | |
2553 | ||
2554 | #ifdef COFF_LONG_SECTION_NAMES | |
2555 | /* Handle long section names as in PE. This must be compatible | |
2556 | with the code in coff_write_symbols. */ | |
2557 | { | |
2558 | size_t len; | |
2559 | ||
2560 | len = strlen (current->name); | |
2561 | if (len > SCNNMLEN) | |
2562 | { | |
2563 | memset (section.s_name, 0, SCNNMLEN); | |
9aac8e83 | 2564 | sprintf (section.s_name, "/%lu", (unsigned long) string_size); |
e8f3bb64 | 2565 | string_size += len + 1; |
b9110a3c | 2566 | long_section_names = true; |
e8f3bb64 ILT |
2567 | } |
2568 | } | |
2569 | #endif | |
2570 | ||
b26059aa | 2571 | #ifdef _LIB |
3332ea9c SC |
2572 | /* Always set s_vaddr of .lib to 0. This is right for SVR3.2 |
2573 | Ian Taylor <ian@cygnus.com>. */ | |
2574 | if (strcmp (current->name, _LIB) == 0) | |
2575 | section.s_vaddr = 0; | |
2576 | else | |
69645d10 | 2577 | #endif |
010a405a | 2578 | section.s_vaddr = current->vma; |
3332ea9c | 2579 | section.s_paddr = current->lma; |
beee31b1 SC |
2580 | section.s_size = current->_raw_size; |
2581 | ||
2582 | #ifdef COFF_WITH_PE | |
34255b70 JL |
2583 | section.s_paddr = 0; |
2584 | #endif | |
2585 | #ifdef COFF_IMAGE_WITH_PE | |
b9110a3c DE |
2586 | /* Reminder: s_paddr holds the virtual size of the section. */ |
2587 | if (coff_section_data (abfd, current) != NULL | |
2588 | && pei_section_data (abfd, current) != NULL) | |
2589 | section.s_paddr = pei_section_data (abfd, current)->virt_size; | |
2590 | else | |
2591 | section.s_paddr = 0; | |
beee31b1 | 2592 | #endif |
3332ea9c SC |
2593 | |
2594 | /* | |
2595 | If this section has no size or is unloadable then the scnptr | |
2596 | will be 0 too | |
2597 | */ | |
2598 | if (current->_raw_size == 0 || | |
2599 | (current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
2600 | { | |
2601 | section.s_scnptr = 0; | |
2602 | } | |
2603 | else | |
2604 | { | |
2605 | section.s_scnptr = current->filepos; | |
2606 | } | |
2607 | section.s_relptr = current->rel_filepos; | |
2608 | section.s_lnnoptr = current->line_filepos; | |
2609 | section.s_nreloc = current->reloc_count; | |
2610 | section.s_nlnno = current->lineno_count; | |
2611 | if (current->reloc_count != 0) | |
2612 | hasrelocs = true; | |
2613 | if (current->lineno_count != 0) | |
2614 | haslinno = true; | |
2615 | ||
c769947b SS |
2616 | #ifdef RS6000COFF_C |
2617 | /* Indicate the use of an XCOFF overflow section header. */ | |
2618 | if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff) | |
2619 | { | |
2620 | section.s_nreloc = 0xffff; | |
2621 | section.s_nlnno = 0xffff; | |
2622 | } | |
2623 | #endif | |
2624 | ||
3332ea9c SC |
2625 | section.s_flags = sec_to_styp_flags (current->name, current->flags); |
2626 | ||
2627 | if (!strcmp (current->name, _TEXT)) | |
2628 | { | |
2629 | text_sec = current; | |
2630 | } | |
2631 | else if (!strcmp (current->name, _DATA)) | |
2632 | { | |
2633 | data_sec = current; | |
3332ea9c SC |
2634 | } |
2635 | else if (!strcmp (current->name, _BSS)) | |
2636 | { | |
2637 | bss_sec = current; | |
2638 | } | |
cbdc7909 | 2639 | |
0f268757 | 2640 | #ifdef I960 |
3332ea9c SC |
2641 | section.s_align = (current->alignment_power |
2642 | ? 1 << current->alignment_power | |
2643 | : 0); | |
2644 | ||
2645 | #endif | |
0f268757 | 2646 | |
3332ea9c SC |
2647 | #ifdef COFF_IMAGE_WITH_PE |
2648 | /* suppress output of the sections if they are null. ld includes | |
2649 | the bss and data sections even if there is no size assigned | |
2650 | to them. NT loader doesn't like it if these section headers are | |
2651 | included if the sections themselves are not needed */ | |
2652 | if (section.s_size == 0) | |
2653 | internal_f.f_nscns--; | |
2654 | else | |
0f268757 | 2655 | #endif |
69645d10 ILT |
2656 | { |
2657 | SCNHDR buff; | |
3332ea9c SC |
2658 | if (coff_swap_scnhdr_out (abfd, §ion, &buff) == 0 |
2659 | || bfd_write ((PTR) (&buff), 1, SCNHSZ, abfd) != SCNHSZ) | |
2660 | return false; | |
69645d10 | 2661 | } |
5a28331f ILT |
2662 | |
2663 | #ifdef COFF_WITH_PE | |
2664 | /* PE stores COMDAT section information in the symbol table. If | |
2665 | this section is supposed to have some COMDAT info, track down | |
2666 | the symbol in the symbol table and modify it. */ | |
2667 | if ((current->flags & SEC_LINK_ONCE) != 0) | |
2668 | { | |
2669 | unsigned int i, count; | |
2670 | asymbol **psym; | |
9c7a5748 | 2671 | coff_symbol_type *csym; |
5a28331f ILT |
2672 | |
2673 | count = bfd_get_symcount (abfd); | |
2674 | for (i = 0, psym = abfd->outsymbols; i < count; i++, psym++) | |
2675 | { | |
9c7a5748 | 2676 | /* Here *PSYM is the section symbol for CURRENT. */ |
5a28331f | 2677 | |
9c7a5748 DE |
2678 | if (strcmp ((*psym)->name, current->name) == 0) |
2679 | { | |
2680 | csym = coff_symbol_from (abfd, *psym); | |
2681 | if (csym == NULL | |
2682 | || csym->native == NULL | |
2683 | || csym->native->u.syment.n_numaux < 1 | |
2684 | || csym->native->u.syment.n_sclass != C_STAT | |
2685 | || csym->native->u.syment.n_type != T_NULL) | |
2686 | continue; | |
2687 | break; | |
2688 | } | |
2689 | } | |
5a28331f | 2690 | |
9c7a5748 DE |
2691 | /* Did we find it? |
2692 | Note that we might not if we're converting the file from | |
2693 | some other object file format. */ | |
2694 | if (i < count) | |
2695 | { | |
2696 | combined_entry_type *aux; | |
5a28331f ILT |
2697 | |
2698 | /* We don't touch the x_checksum field. The | |
9c7a5748 | 2699 | x_associated field is not currently supported. */ |
5a28331f ILT |
2700 | |
2701 | aux = csym->native + 1; | |
2702 | switch (current->flags & SEC_LINK_DUPLICATES) | |
2703 | { | |
2704 | case SEC_LINK_DUPLICATES_DISCARD: | |
2705 | aux->u.auxent.x_scn.x_comdat = IMAGE_COMDAT_SELECT_ANY; | |
2706 | break; | |
2707 | ||
2708 | case SEC_LINK_DUPLICATES_ONE_ONLY: | |
2709 | aux->u.auxent.x_scn.x_comdat = | |
2710 | IMAGE_COMDAT_SELECT_NODUPLICATES; | |
2711 | break; | |
2712 | ||
2713 | case SEC_LINK_DUPLICATES_SAME_SIZE: | |
2714 | aux->u.auxent.x_scn.x_comdat = | |
2715 | IMAGE_COMDAT_SELECT_SAME_SIZE; | |
2716 | break; | |
2717 | ||
2718 | case SEC_LINK_DUPLICATES_SAME_CONTENTS: | |
2719 | aux->u.auxent.x_scn.x_comdat = | |
2720 | IMAGE_COMDAT_SELECT_EXACT_MATCH; | |
2721 | break; | |
2722 | } | |
2723 | } | |
2724 | } | |
2725 | #endif /* COFF_WITH_PE */ | |
3332ea9c SC |
2726 | } |
2727 | ||
c769947b SS |
2728 | #ifdef RS6000COFF_C |
2729 | /* XCOFF handles overflows in the reloc and line number count fields | |
2730 | by creating a new section header to hold the correct values. */ | |
2731 | for (current = abfd->sections; current != NULL; current = current->next) | |
2732 | { | |
2733 | if (current->reloc_count >= 0xffff || current->lineno_count >= 0xffff) | |
2734 | { | |
2735 | struct internal_scnhdr scnhdr; | |
2736 | SCNHDR buff; | |
e98e6ec1 | 2737 | |
c769947b SS |
2738 | internal_f.f_nscns++; |
2739 | strncpy (&(scnhdr.s_name[0]), current->name, 8); | |
2740 | scnhdr.s_paddr = current->reloc_count; | |
2741 | scnhdr.s_vaddr = current->lineno_count; | |
2742 | scnhdr.s_size = 0; | |
2743 | scnhdr.s_scnptr = 0; | |
2744 | scnhdr.s_relptr = current->rel_filepos; | |
2745 | scnhdr.s_lnnoptr = current->line_filepos; | |
2746 | scnhdr.s_nreloc = current->target_index; | |
2747 | scnhdr.s_nlnno = current->target_index; | |
2748 | scnhdr.s_flags = STYP_OVRFLO; | |
2749 | if (coff_swap_scnhdr_out (abfd, &scnhdr, &buff) == 0 | |
2750 | || bfd_write ((PTR) &buff, 1, SCNHSZ, abfd) != SCNHSZ) | |
2751 | return false; | |
2752 | } | |
2753 | } | |
2754 | #endif | |
0f268757 SC |
2755 | |
2756 | /* OK, now set up the filehdr... */ | |
e98e6ec1 SC |
2757 | |
2758 | /* Don't include the internal abs section in the section count */ | |
2759 | ||
0f268757 | 2760 | /* |
89665c85 SC |
2761 | We will NOT put a fucking timestamp in the header here. Every time you |
2762 | put it back, I will come in and take it out again. I'm sorry. This | |
2763 | field does not belong here. We fill it with a 0 so it compares the | |
2764 | same but is not a reasonable time. -- gnu@cygnus.com | |
2765 | */ | |
5944d75b | 2766 | internal_f.f_timdat = 0; |
0f268757 | 2767 | |
0f268757 SC |
2768 | internal_f.f_flags = 0; |
2769 | ||
2770 | if (abfd->flags & EXEC_P) | |
9783e04a | 2771 | internal_f.f_opthdr = AOUTSZ; |
0f268757 | 2772 | else |
dd984644 ILT |
2773 | { |
2774 | internal_f.f_opthdr = 0; | |
2775 | #ifdef RS6000COFF_C | |
867d923d ILT |
2776 | if (xcoff_data (abfd)->full_aouthdr) |
2777 | internal_f.f_opthdr = AOUTSZ; | |
2778 | else | |
2779 | internal_f.f_opthdr = SMALL_AOUTSZ; | |
dd984644 ILT |
2780 | #endif |
2781 | } | |
0f268757 SC |
2782 | |
2783 | if (!hasrelocs) | |
9783e04a | 2784 | internal_f.f_flags |= F_RELFLG; |
0f268757 | 2785 | if (!haslinno) |
9783e04a | 2786 | internal_f.f_flags |= F_LNNO; |
0f268757 | 2787 | if (abfd->flags & EXEC_P) |
9783e04a | 2788 | internal_f.f_flags |= F_EXEC; |
a0f3f080 | 2789 | |
d6f41a7d | 2790 | /* FIXME: this is wrong for PPC_PE! */ |
d812945a | 2791 | if (bfd_little_endian (abfd)) |
9783e04a DM |
2792 | internal_f.f_flags |= F_AR32WR; |
2793 | else | |
2794 | internal_f.f_flags |= F_AR32W; | |
a0f3f080 | 2795 | |
0f268757 | 2796 | /* |
89665c85 SC |
2797 | FIXME, should do something about the other byte orders and |
2798 | architectures. | |
2799 | */ | |
0f268757 | 2800 | |
5f710a3a ILT |
2801 | #ifdef RS6000COFF_C |
2802 | if ((abfd->flags & DYNAMIC) != 0) | |
2803 | internal_f.f_flags |= F_SHROBJ; | |
2804 | if (bfd_get_section_by_name (abfd, _LOADER) != NULL) | |
2805 | internal_f.f_flags |= F_DYNLOAD; | |
2806 | #endif | |
2807 | ||
ab31ae53 KR |
2808 | memset (&internal_a, 0, sizeof internal_a); |
2809 | ||
0f268757 SC |
2810 | /* Set up architecture-dependent stuff */ |
2811 | ||
9783e04a DM |
2812 | { |
2813 | unsigned int magic = 0; | |
2814 | unsigned short flags = 0; | |
2815 | coff_set_flags (abfd, &magic, &flags); | |
2816 | internal_f.f_magic = magic; | |
2817 | internal_f.f_flags |= flags; | |
2818 | /* ...and the "opt"hdr... */ | |
0f268757 | 2819 | |
cbdc7909 | 2820 | #ifdef A29K |
9783e04a DM |
2821 | #ifdef ULTRA3 /* NYU's machine */ |
2822 | /* FIXME: This is a bogus check. I really want to see if there | |
89665c85 SC |
2823 | * is a .shbss or a .shdata section, if so then set the magic |
2824 | * number to indicate a shared data executable. | |
2825 | */ | |
9783e04a | 2826 | if (internal_f.f_nscns >= 7) |
89665c85 | 2827 | internal_a.magic = SHMAGIC; /* Shared magic */ |
9783e04a DM |
2828 | else |
2829 | #endif /* ULTRA3 */ | |
89665c85 | 2830 | internal_a.magic = NMAGIC; /* Assume separate i/d */ |
41f50af0 | 2831 | #define __A_MAGIC_SET__ |
9783e04a | 2832 | #endif /* A29K */ |
5a608f5b | 2833 | #ifdef TIC80 |
35a3e78e | 2834 | internal_a.magic = TIC80_ARCH_MAGIC; |
5a608f5b FF |
2835 | #define __A_MAGIC_SET__ |
2836 | #endif /* TIC80 */ | |
cf587de8 ILT |
2837 | #ifdef I860 |
2838 | /* FIXME: What are the a.out magic numbers for the i860? */ | |
2839 | internal_a.magic = 0; | |
2840 | #define __A_MAGIC_SET__ | |
2841 | #endif /* I860 */ | |
0f268757 | 2842 | #ifdef I960 |
9783e04a | 2843 | internal_a.magic = (magic == I960ROMAGIC ? NMAGIC : OMAGIC); |
41f50af0 | 2844 | #define __A_MAGIC_SET__ |
9783e04a | 2845 | #endif /* I960 */ |
0f268757 | 2846 | #if M88 |
41f50af0 | 2847 | #define __A_MAGIC_SET__ |
9783e04a DM |
2848 | internal_a.magic = PAGEMAGICBCS; |
2849 | #endif /* M88 */ | |
41f50af0 | 2850 | |
97eb2f0c KR |
2851 | #if APOLLO_M68 |
2852 | #define __A_MAGIC_SET__ | |
9783e04a | 2853 | internal_a.magic = APOLLO_COFF_VERSION_NUMBER; |
97eb2f0c KR |
2854 | #endif |
2855 | ||
e8fbe6d9 | 2856 | #if defined(M68) || defined(WE32K) || defined(M68K) |
41f50af0 | 2857 | #define __A_MAGIC_SET__ |
e8fbe6d9 ILT |
2858 | #if defined(LYNXOS) |
2859 | internal_a.magic = LYNXCOFFMAGIC; | |
7f82c7e1 | 2860 | #else |
d19df9b5 ILT |
2861 | #if defined(TARG_AUX) |
2862 | internal_a.magic = (abfd->flags & D_PAGED ? PAGEMAGICPEXECPAGED : | |
2863 | abfd->flags & WP_TEXT ? PAGEMAGICPEXECSWAPPED : | |
2864 | PAGEMAGICEXECSWAPPED); | |
2865 | #else | |
7f82c7e1 ILT |
2866 | #if defined (PAGEMAGICPEXECPAGED) |
2867 | internal_a.magic = PAGEMAGICPEXECPAGED; | |
2868 | #endif | |
d19df9b5 | 2869 | #endif /* TARG_AUX */ |
fa0c23eb | 2870 | #endif /* LYNXOS */ |
89665c85 | 2871 | #endif /* M68 || WE32K || M68K */ |
8ad2a31d | 2872 | |
89665c85 SC |
2873 | #if defined(ARM) |
2874 | #define __A_MAGIC_SET__ | |
2875 | internal_a.magic = ZMAGIC; | |
2876 | #endif | |
46686c78 | 2877 | |
221d1e19 | 2878 | #if defined(PPC_PE) |
80b2dd82 | 2879 | #define __A_MAGIC_SET__ |
d6f41a7d | 2880 | internal_a.magic = IMAGE_NT_OPTIONAL_HDR_MAGIC; |
80b2dd82 | 2881 | #endif |
46686c78 | 2882 | |
e8fbe6d9 | 2883 | #if defined(I386) |
9783e04a | 2884 | #define __A_MAGIC_SET__ |
e8fbe6d9 ILT |
2885 | #if defined(LYNXOS) |
2886 | internal_a.magic = LYNXCOFFMAGIC; | |
89665c85 | 2887 | #else /* LYNXOS */ |
9783e04a | 2888 | internal_a.magic = ZMAGIC; |
e8fbe6d9 | 2889 | #endif /* LYNXOS */ |
8ad2a31d | 2890 | #endif /* I386 */ |
41f50af0 | 2891 | |
e8fbe6d9 ILT |
2892 | #if defined(SPARC) |
2893 | #define __A_MAGIC_SET__ | |
2894 | #if defined(LYNXOS) | |
89665c85 SC |
2895 | internal_a.magic = LYNXCOFFMAGIC; |
2896 | #endif /* LYNXOS */ | |
2897 | #endif /* SPARC */ | |
e8fbe6d9 | 2898 | |
cbdc7909 JG |
2899 | #if RS6000COFF_C |
2900 | #define __A_MAGIC_SET__ | |
9783e04a | 2901 | internal_a.magic = (abfd->flags & D_PAGED) ? RS6K_AOUTHDR_ZMAGIC : |
89665c85 SC |
2902 | (abfd->flags & WP_TEXT) ? RS6K_AOUTHDR_NMAGIC : |
2903 | RS6K_AOUTHDR_OMAGIC; | |
cbdc7909 JG |
2904 | #endif |
2905 | ||
41f50af0 | 2906 | #ifndef __A_MAGIC_SET__ |
9783e04a | 2907 | #include "Your aouthdr magic number is not being set!" |
41f50af0 | 2908 | #else |
9783e04a | 2909 | #undef __A_MAGIC_SET__ |
0f268757 | 2910 | #endif |
9783e04a | 2911 | } |
e18c4e8f ILT |
2912 | |
2913 | /* FIXME: Does anybody ever set this to another value? */ | |
2914 | internal_a.vstamp = 0; | |
2915 | ||
0f268757 | 2916 | /* Now should write relocs, strings, syms */ |
9783e04a DM |
2917 | obj_sym_filepos (abfd) = sym_base; |
2918 | ||
2919 | if (bfd_get_symcount (abfd) != 0) | |
2920 | { | |
89665c85 | 2921 | int firstundef; |
51776a11 | 2922 | #if 0 |
9783e04a DM |
2923 | if (!coff_add_missing_symbols (abfd)) |
2924 | return false; | |
2925 | #endif | |
89665c85 | 2926 | if (!coff_renumber_symbols (abfd, &firstundef)) |
9783e04a DM |
2927 | return false; |
2928 | coff_mangle_symbols (abfd); | |
bfe8224f ILT |
2929 | if (! coff_write_symbols (abfd)) |
2930 | return false; | |
791a3db4 ILT |
2931 | if (! coff_write_linenumbers (abfd)) |
2932 | return false; | |
89665c85 | 2933 | if (! coff_write_relocs (abfd, firstundef)) |
9783e04a | 2934 | return false; |
e98e6ec1 | 2935 | } |
a418e05d | 2936 | #ifdef COFF_IMAGE_WITH_PE |
221d1e19 | 2937 | #ifdef PPC_PE |
a418e05d ILT |
2938 | else if ((abfd->flags & EXEC_P) != 0) |
2939 | { | |
2940 | bfd_byte b; | |
2941 | ||
2942 | /* PowerPC PE appears to require that all executable files be | |
2943 | rounded up to the page size. */ | |
2944 | b = 0; | |
2945 | if (bfd_seek (abfd, | |
2946 | BFD_ALIGN (sym_base, COFF_PAGE_SIZE) - 1, | |
2947 | SEEK_SET) != 0 | |
2948 | || bfd_write (&b, 1, 1, abfd) != 1) | |
2949 | return false; | |
2950 | } | |
2951 | #endif | |
2952 | #endif | |
6ceff8e7 ILT |
2953 | |
2954 | /* If bfd_get_symcount (abfd) != 0, then we are not using the COFF | |
2955 | backend linker, and obj_raw_syment_count is not valid until after | |
2956 | coff_write_symbols is called. */ | |
2957 | if (obj_raw_syment_count (abfd) != 0) | |
7860fe38 ILT |
2958 | { |
2959 | internal_f.f_symptr = sym_base; | |
2960 | #ifdef RS6000COFF_C | |
2961 | /* AIX appears to require that F_RELFLG not be set if there are | |
2962 | local symbols but no relocations. */ | |
2963 | internal_f.f_flags &=~ F_RELFLG; | |
2964 | #endif | |
2965 | } | |
6ceff8e7 ILT |
2966 | else |
2967 | { | |
b9110a3c DE |
2968 | if (long_section_names) |
2969 | internal_f.f_symptr = sym_base; | |
2970 | else | |
2971 | internal_f.f_symptr = 0; | |
6ceff8e7 ILT |
2972 | internal_f.f_flags |= F_LSYMS; |
2973 | } | |
2974 | ||
9783e04a DM |
2975 | if (text_sec) |
2976 | { | |
2977 | internal_a.tsize = bfd_get_section_size_before_reloc (text_sec); | |
e9614321 | 2978 | internal_a.text_start = internal_a.tsize ? text_sec->vma : 0; |
e98e6ec1 | 2979 | } |
9783e04a DM |
2980 | if (data_sec) |
2981 | { | |
2982 | internal_a.dsize = bfd_get_section_size_before_reloc (data_sec); | |
e9614321 | 2983 | internal_a.data_start = internal_a.dsize ? data_sec->vma : 0; |
e98e6ec1 | 2984 | } |
9783e04a DM |
2985 | if (bss_sec) |
2986 | { | |
2987 | internal_a.bsize = bfd_get_section_size_before_reloc (bss_sec); | |
28a0c103 ILT |
2988 | if (internal_a.bsize && bss_sec->vma < internal_a.data_start) |
2989 | internal_a.data_start = bss_sec->vma; | |
e98e6ec1 | 2990 | } |
0f268757 | 2991 | |
e9614321 | 2992 | internal_a.entry = bfd_get_start_address (abfd); |
69645d10 | 2993 | internal_f.f_nsyms = obj_raw_syment_count (abfd); |
0f268757 | 2994 | |
5f710a3a | 2995 | #ifdef RS6000COFF_C |
867d923d | 2996 | if (xcoff_data (abfd)->full_aouthdr) |
5f710a3a | 2997 | { |
867d923d | 2998 | bfd_vma toc; |
5f710a3a ILT |
2999 | asection *loader_sec; |
3000 | ||
7906bf87 ILT |
3001 | internal_a.vstamp = 1; |
3002 | ||
d19df9b5 ILT |
3003 | internal_a.o_snentry = xcoff_data (abfd)->snentry; |
3004 | if (internal_a.o_snentry == 0) | |
3005 | internal_a.entry = (bfd_vma) -1; | |
867d923d | 3006 | |
5f710a3a ILT |
3007 | if (text_sec != NULL) |
3008 | { | |
3009 | internal_a.o_sntext = text_sec->target_index; | |
3010 | internal_a.o_algntext = bfd_get_section_alignment (abfd, text_sec); | |
3011 | } | |
3012 | else | |
3013 | { | |
3014 | internal_a.o_sntext = 0; | |
3015 | internal_a.o_algntext = 0; | |
3016 | } | |
3017 | if (data_sec != NULL) | |
3018 | { | |
3019 | internal_a.o_sndata = data_sec->target_index; | |
3020 | internal_a.o_algndata = bfd_get_section_alignment (abfd, data_sec); | |
3021 | } | |
3022 | else | |
3023 | { | |
3024 | internal_a.o_sndata = 0; | |
3025 | internal_a.o_algndata = 0; | |
3026 | } | |
3027 | loader_sec = bfd_get_section_by_name (abfd, ".loader"); | |
3028 | if (loader_sec != NULL) | |
3029 | internal_a.o_snloader = loader_sec->target_index; | |
3030 | else | |
3031 | internal_a.o_snloader = 0; | |
3032 | if (bss_sec != NULL) | |
3033 | internal_a.o_snbss = bss_sec->target_index; | |
3034 | else | |
3035 | internal_a.o_snbss = 0; | |
3036 | ||
3037 | toc = xcoff_data (abfd)->toc; | |
3038 | internal_a.o_toc = toc; | |
d19df9b5 | 3039 | internal_a.o_sntoc = xcoff_data (abfd)->sntoc; |
5f710a3a ILT |
3040 | |
3041 | internal_a.o_modtype = xcoff_data (abfd)->modtype; | |
dd984644 ILT |
3042 | if (xcoff_data (abfd)->cputype != -1) |
3043 | internal_a.o_cputype = xcoff_data (abfd)->cputype; | |
3044 | else | |
3045 | { | |
3046 | switch (bfd_get_arch (abfd)) | |
3047 | { | |
3048 | case bfd_arch_rs6000: | |
3049 | internal_a.o_cputype = 4; | |
3050 | break; | |
3051 | case bfd_arch_powerpc: | |
3052 | if (bfd_get_mach (abfd) == 0) | |
3053 | internal_a.o_cputype = 3; | |
3054 | else | |
3055 | internal_a.o_cputype = 1; | |
3056 | break; | |
3057 | default: | |
3058 | abort (); | |
3059 | } | |
3060 | } | |
5f710a3a ILT |
3061 | internal_a.o_maxstack = xcoff_data (abfd)->maxstack; |
3062 | internal_a.o_maxdata = xcoff_data (abfd)->maxdata; | |
3063 | } | |
3064 | #endif | |
3065 | ||
0f268757 | 3066 | /* now write them */ |
9783e04a DM |
3067 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) |
3068 | return false; | |
3069 | { | |
51776a11 | 3070 | char buff[FILHSZ]; |
e8f3bb64 ILT |
3071 | coff_swap_filehdr_out (abfd, (PTR) & internal_f, (PTR) buff); |
3072 | if (bfd_write ((PTR) buff, 1, FILHSZ, abfd) != FILHSZ) | |
791a3db4 | 3073 | return false; |
9783e04a DM |
3074 | } |
3075 | if (abfd->flags & EXEC_P) | |
3076 | { | |
51776a11 SC |
3077 | /* Note that peicode.h fills in a PEAOUTHDR, not an AOUTHDR. |
3078 | include/coff/pe.h sets AOUTSZ == sizeof(PEAOUTHDR)) */ | |
3079 | char buff[AOUTSZ]; | |
e8f3bb64 ILT |
3080 | coff_swap_aouthdr_out (abfd, (PTR) & internal_a, (PTR) buff); |
3081 | if (bfd_write ((PTR) buff, 1, AOUTSZ, abfd) != AOUTSZ) | |
791a3db4 | 3082 | return false; |
e98e6ec1 | 3083 | } |
dd984644 ILT |
3084 | #ifdef RS6000COFF_C |
3085 | else | |
3086 | { | |
3087 | AOUTHDR buff; | |
867d923d ILT |
3088 | size_t size; |
3089 | ||
dd984644 ILT |
3090 | /* XCOFF seems to always write at least a small a.out header. */ |
3091 | coff_swap_aouthdr_out (abfd, (PTR) &internal_a, (PTR) &buff); | |
867d923d ILT |
3092 | if (xcoff_data (abfd)->full_aouthdr) |
3093 | size = AOUTSZ; | |
3094 | else | |
3095 | size = SMALL_AOUTSZ; | |
3096 | if (bfd_write ((PTR) &buff, 1, size, abfd) != size) | |
dd984644 ILT |
3097 | return false; |
3098 | } | |
3099 | #endif | |
89665c85 | 3100 | |
0f268757 | 3101 | return true; |
6f715d66 SC |
3102 | } |
3103 | ||
9783e04a | 3104 | static boolean |
57a1867e DM |
3105 | coff_set_section_contents (abfd, section, location, offset, count) |
3106 | bfd * abfd; | |
3107 | sec_ptr section; | |
3108 | PTR location; | |
3109 | file_ptr offset; | |
3110 | bfd_size_type count; | |
0f268757 | 3111 | { |
9783e04a | 3112 | if (abfd->output_has_begun == false) /* set by bfd.c handler */ |
50ede03d ILT |
3113 | { |
3114 | if (! coff_compute_section_file_positions (abfd)) | |
3115 | return false; | |
3116 | } | |
cbdc7909 | 3117 | |
7f21c97c | 3118 | #if defined(_LIB) && !defined(TARG_AUX) |
5eb83ede ILT |
3119 | |
3120 | /* The physical address field of a .lib section is used to hold the | |
3121 | number of shared libraries in the section. This code counts the | |
3122 | number of sections being written, and increments the lma field | |
3123 | with the number. | |
3124 | ||
3125 | I have found no documentation on the contents of this section. | |
3126 | Experimentation indicates that the section contains zero or more | |
3127 | records, each of which has the following structure: | |
3128 | ||
3129 | - a (four byte) word holding the length of this record, in words, | |
3130 | - a word that always seems to be set to "2", | |
3131 | - the path to a shared library, null-terminated and then padded | |
3132 | to a whole word boundary. | |
3133 | ||
3134 | bfd_assert calls have been added to alert if an attempt is made | |
3135 | to write a section which doesn't follow these assumptions. The | |
3136 | code has been tested on ISC 4.1 by me, and on SCO by Robert Lipe | |
3137 | <robertl@arnet.com> (Thanks!). | |
3138 | ||
3139 | Gvran Uddeborg <gvran@uddeborg.pp.se> */ | |
3140 | ||
3141 | if (strcmp (section->name, _LIB) == 0) | |
3142 | { | |
3143 | bfd_byte *rec, *recend; | |
3144 | ||
3145 | rec = (bfd_byte *) location; | |
3146 | recend = rec + count; | |
3147 | while (rec < recend) | |
3148 | { | |
5eb83ede | 3149 | ++section->lma; |
5a4d8c40 | 3150 | rec += bfd_get_32 (abfd, rec) * 4; |
5eb83ede ILT |
3151 | } |
3152 | ||
3153 | BFD_ASSERT (rec == recend); | |
3154 | } | |
3155 | ||
075caafd | 3156 | #endif |
0f268757 | 3157 | |
9783e04a DM |
3158 | /* Don't write out bss sections - one way to do this is to |
3159 | see if the filepos has not been set. */ | |
3160 | if (section->filepos == 0) | |
3161 | return true; | |
55c95b04 | 3162 | |
791a3db4 ILT |
3163 | if (bfd_seek (abfd, (file_ptr) (section->filepos + offset), SEEK_SET) != 0) |
3164 | return false; | |
7a8b18b6 | 3165 | |
9783e04a DM |
3166 | if (count != 0) |
3167 | { | |
3168 | return (bfd_write (location, 1, count, abfd) == count) ? true : false; | |
075caafd | 3169 | } |
9783e04a | 3170 | return true; |
075caafd ILT |
3171 | } |
3172 | #if 0 | |
9783e04a DM |
3173 | static boolean |
3174 | coff_close_and_cleanup (abfd) | |
3175 | bfd *abfd; | |
0f268757 | 3176 | { |
9783e04a DM |
3177 | if (!bfd_read_p (abfd)) |
3178 | switch (abfd->format) | |
3179 | { | |
3180 | case bfd_archive: | |
3181 | if (!_bfd_write_archive_contents (abfd)) | |
3182 | return false; | |
3183 | break; | |
3184 | case bfd_object: | |
3185 | if (!coff_write_object_contents (abfd)) | |
3186 | return false; | |
3187 | break; | |
3188 | default: | |
57a1867e | 3189 | bfd_set_error (bfd_error_invalid_operation); |
075caafd | 3190 | return false; |
9783e04a | 3191 | } |
075caafd | 3192 | |
508539ab | 3193 | /* We depend on bfd_close to free all the memory on the objalloc. */ |
075caafd | 3194 | return true; |
0f268757 SC |
3195 | } |
3196 | ||
075caafd ILT |
3197 | #endif |
3198 | ||
3199 | static PTR | |
9783e04a DM |
3200 | buy_and_read (abfd, where, seek_direction, size) |
3201 | bfd *abfd; | |
3202 | file_ptr where; | |
3203 | int seek_direction; | |
3204 | size_t size; | |
075caafd | 3205 | { |
9783e04a DM |
3206 | PTR area = (PTR) bfd_alloc (abfd, size); |
3207 | if (!area) | |
a9713b91 | 3208 | return (NULL); |
791a3db4 ILT |
3209 | if (bfd_seek (abfd, where, seek_direction) != 0 |
3210 | || bfd_read (area, 1, size, abfd) != size) | |
3211 | return (NULL); | |
9783e04a | 3212 | return (area); |
075caafd | 3213 | } /* buy_and_read() */ |
0f268757 | 3214 | |
9fda1a39 | 3215 | /* |
9783e04a | 3216 | SUBSUBSECTION |
c188b0be | 3217 | Reading linenumbers |
9fda1a39 | 3218 | |
9fda1a39 SC |
3219 | Creating the linenumber table is done by reading in the entire |
3220 | coff linenumber table, and creating another table for internal use. | |
6f715d66 | 3221 | |
c188b0be | 3222 | A coff linenumber table is structured so that each function |
9fda1a39 SC |
3223 | is marked as having a line number of 0. Each line within the |
3224 | function is an offset from the first line in the function. The | |
3225 | base of the line number information for the table is stored in | |
9783e04a | 3226 | the symbol associated with the function. |
6f715d66 | 3227 | |
9fda1a39 SC |
3228 | The information is copied from the external to the internal |
3229 | table, and each symbol which marks a function is marked by | |
3230 | pointing its... | |
6f715d66 | 3231 | |
9fda1a39 | 3232 | How does this work ? |
6f715d66 SC |
3233 | |
3234 | */ | |
0f268757 SC |
3235 | |
3236 | static boolean | |
9783e04a | 3237 | coff_slurp_line_table (abfd, asect) |
ab31ae53 KR |
3238 | bfd *abfd; |
3239 | asection *asect; | |
3240 | { | |
9783e04a | 3241 | LINENO *native_lineno; |
ab31ae53 KR |
3242 | alent *lineno_cache; |
3243 | ||
9783e04a | 3244 | BFD_ASSERT (asect->lineno == (alent *) NULL); |
ab31ae53 | 3245 | |
9783e04a DM |
3246 | native_lineno = (LINENO *) buy_and_read (abfd, |
3247 | asect->line_filepos, | |
3248 | SEEK_SET, | |
3249 | (size_t) (LINESZ * | |
3250 | asect->lineno_count)); | |
ab31ae53 | 3251 | lineno_cache = |
9783e04a | 3252 | (alent *) bfd_alloc (abfd, (size_t) ((asect->lineno_count + 1) * sizeof (alent))); |
ab31ae53 | 3253 | if (lineno_cache == NULL) |
a9713b91 | 3254 | return false; |
ab31ae53 KR |
3255 | else |
3256 | { | |
9783e04a DM |
3257 | unsigned int counter = 0; |
3258 | alent *cache_ptr = lineno_cache; | |
3259 | LINENO *src = native_lineno; | |
cbdc7909 | 3260 | |
ab31ae53 KR |
3261 | while (counter < asect->lineno_count) |
3262 | { | |
3263 | struct internal_lineno dst; | |
9783e04a | 3264 | coff_swap_lineno_in (abfd, src, &dst); |
ab31ae53 KR |
3265 | cache_ptr->line_number = dst.l_lnno; |
3266 | ||
3267 | if (cache_ptr->line_number == 0) | |
3268 | { | |
7f21c97c ILT |
3269 | boolean warned; |
3270 | long symndx; | |
3271 | coff_symbol_type *sym; | |
3272 | ||
3273 | warned = false; | |
3274 | symndx = dst.l_addr.l_symndx; | |
3275 | if (symndx < 0 || symndx >= obj_raw_syment_count (abfd)) | |
3276 | { | |
3277 | (*_bfd_error_handler) | |
3278 | ("%s: warning: illegal symbol index %ld in line numbers", | |
3279 | bfd_get_filename (abfd), dst.l_addr.l_symndx); | |
3280 | symndx = 0; | |
3281 | warned = true; | |
3282 | } | |
3283 | /* FIXME: We should not be casting between ints and | |
3284 | pointers like this. */ | |
3285 | sym = ((coff_symbol_type *) | |
3286 | ((symndx + obj_raw_syments (abfd)) | |
3287 | ->u.syment._n._n_n._n_zeroes)); | |
ab31ae53 | 3288 | cache_ptr->u.sym = (asymbol *) sym; |
7f21c97c | 3289 | if (sym->lineno != NULL && ! warned) |
49488f2b ILT |
3290 | { |
3291 | (*_bfd_error_handler) | |
3292 | ("%s: warning: duplicate line number information for `%s'", | |
3293 | bfd_get_filename (abfd), | |
3294 | bfd_asymbol_name (&sym->symbol)); | |
3295 | } | |
ab31ae53 KR |
3296 | sym->lineno = cache_ptr; |
3297 | } | |
3298 | else | |
3299 | { | |
3300 | cache_ptr->u.offset = dst.l_addr.l_paddr | |
9783e04a DM |
3301 | - bfd_section_vma (abfd, asect); |
3302 | } /* If no linenumber expect a symbol index */ | |
ab31ae53 KR |
3303 | |
3304 | cache_ptr++; | |
3305 | src++; | |
3306 | counter++; | |
0f268757 | 3307 | } |
0f268757 | 3308 | cache_ptr->line_number = 0; |
cbdc7909 | 3309 | |
0f268757 | 3310 | } |
ab31ae53 KR |
3311 | asect->lineno = lineno_cache; |
3312 | /* FIXME, free native_lineno here, or use alloca or something. */ | |
3313 | return true; | |
3314 | } | |
0f268757 | 3315 | |
ab31ae53 | 3316 | static boolean |
57a1867e DM |
3317 | coff_slurp_symbol_table (abfd) |
3318 | bfd * abfd; | |
6f715d66 | 3319 | { |
9783e04a | 3320 | combined_entry_type *native_symbols; |
6f715d66 | 3321 | coff_symbol_type *cached_area; |
9783e04a | 3322 | unsigned int *table_ptr; |
cbdc7909 | 3323 | |
9783e04a | 3324 | unsigned int number_of_symbols = 0; |
89665c85 | 3325 | |
9783e04a | 3326 | if (obj_symbols (abfd)) |
6f715d66 | 3327 | return true; |
cbdc7909 | 3328 | |
6f715d66 | 3329 | /* Read in the symbol table */ |
9783e04a DM |
3330 | if ((native_symbols = coff_get_normalized_symtab (abfd)) == NULL) |
3331 | { | |
3332 | return (false); | |
3333 | } /* on error */ | |
cbdc7909 | 3334 | |
6f715d66 | 3335 | /* Allocate enough room for all the symbols in cached form */ |
69645d10 ILT |
3336 | cached_area = ((coff_symbol_type *) |
3337 | bfd_alloc (abfd, | |
3338 | (obj_raw_syment_count (abfd) | |
3339 | * sizeof (coff_symbol_type)))); | |
cbdc7909 | 3340 | |
9783e04a | 3341 | if (cached_area == NULL) |
a9713b91 | 3342 | return false; |
69645d10 ILT |
3343 | table_ptr = ((unsigned int *) |
3344 | bfd_alloc (abfd, | |
3345 | (obj_raw_syment_count (abfd) | |
3346 | * sizeof (unsigned int)))); | |
cbdc7909 | 3347 | |
9783e04a | 3348 | if (table_ptr == NULL) |
a9713b91 | 3349 | return false; |
9783e04a DM |
3350 | else |
3351 | { | |
3352 | coff_symbol_type *dst = cached_area; | |
69645d10 | 3353 | unsigned int last_native_index = obj_raw_syment_count (abfd); |
9783e04a DM |
3354 | unsigned int this_index = 0; |
3355 | while (this_index < last_native_index) | |
3356 | { | |
3357 | combined_entry_type *src = native_symbols + this_index; | |
3358 | table_ptr[this_index] = number_of_symbols; | |
3359 | dst->symbol.the_bfd = abfd; | |
3360 | ||
3361 | dst->symbol.name = (char *) (src->u.syment._n._n_n._n_offset); | |
3362 | /* We use the native name field to point to the cached field. */ | |
3363 | src->u.syment._n._n_n._n_zeroes = (long) dst; | |
3364 | dst->symbol.section = coff_section_from_bfd_index (abfd, | |
3365 | src->u.syment.n_scnum); | |
3366 | dst->symbol.flags = 0; | |
3367 | dst->done_lineno = false; | |
3368 | ||
3369 | switch (src->u.syment.n_sclass) | |
3370 | { | |
0f268757 | 3371 | #ifdef I960 |
9783e04a | 3372 | case C_LEAFEXT: |
0f268757 | 3373 | #if 0 |
9783e04a DM |
3374 | dst->symbol.value = src->u.syment.n_value - dst->symbol.section->vma; |
3375 | dst->symbol.flags = BSF_EXPORT | BSF_GLOBAL; | |
c7e76b5e | 3376 | dst->symbol.flags |= BSF_NOT_AT_END | BSF_FUNCTION; |
0f268757 | 3377 | #endif |
9783e04a | 3378 | /* Fall through to next case */ |
cbdc7909 | 3379 | |
0f268757 | 3380 | #endif |
cbdc7909 | 3381 | |
9783e04a | 3382 | case C_EXT: |
cbdc7909 | 3383 | #ifdef RS6000COFF_C |
9783e04a | 3384 | case C_HIDEXT: |
89665c85 SC |
3385 | #endif |
3386 | #ifdef COFF_WITH_PE | |
3387 | /* PE uses storage class 0x68 to denote a section symbol */ | |
3388 | case C_SECTION: | |
a418e05d ILT |
3389 | /* PE uses storage class 0x67 for a weak external symbol. */ |
3390 | case C_NT_WEAK: | |
9783e04a DM |
3391 | #endif |
3392 | if ((src->u.syment.n_scnum) == 0) | |
3393 | { | |
3394 | if ((src->u.syment.n_value) == 0) | |
3395 | { | |
b5b056fc | 3396 | dst->symbol.section = bfd_und_section_ptr; |
9783e04a DM |
3397 | dst->symbol.value = 0; |
3398 | } | |
3399 | else | |
3400 | { | |
b5b056fc | 3401 | dst->symbol.section = bfd_com_section_ptr; |
9783e04a DM |
3402 | dst->symbol.value = (src->u.syment.n_value); |
3403 | } | |
3404 | } | |
3405 | else | |
3406 | { | |
e7cac9de ILT |
3407 | /* Base the value as an index from the base of the |
3408 | section */ | |
e98e6ec1 | 3409 | |
9783e04a | 3410 | dst->symbol.flags = BSF_EXPORT | BSF_GLOBAL; |
20a9631a ILT |
3411 | |
3412 | #if defined (COFF_WITH_PE) || defined (COFF_IMAGE_WITH_PE) | |
3413 | /* PE sets the symbol to a value relative to the | |
3414 | start of the section. */ | |
3415 | dst->symbol.value = src->u.syment.n_value; | |
3416 | #else | |
e7cac9de ILT |
3417 | dst->symbol.value = (src->u.syment.n_value |
3418 | - dst->symbol.section->vma); | |
20a9631a | 3419 | #endif |
e98e6ec1 | 3420 | |
9783e04a DM |
3421 | if (ISFCN ((src->u.syment.n_type))) |
3422 | { | |
e7cac9de ILT |
3423 | /* A function ext does not go at the end of a |
3424 | file. */ | |
c7e76b5e | 3425 | dst->symbol.flags |= BSF_NOT_AT_END | BSF_FUNCTION; |
9783e04a DM |
3426 | } |
3427 | } | |
85e0c721 | 3428 | |
9783e04a | 3429 | #ifdef RS6000COFF_C |
e7cac9de ILT |
3430 | /* A C_HIDEXT symbol is not global. */ |
3431 | if (src->u.syment.n_sclass == C_HIDEXT) | |
3432 | dst->symbol.flags = BSF_LOCAL; | |
5f710a3a | 3433 | /* A symbol with a csect entry should not go at the end. */ |
3f2c5b2d | 3434 | if (src->u.syment.n_numaux > 0) |
5f710a3a | 3435 | dst->symbol.flags |= BSF_NOT_AT_END; |
9783e04a DM |
3436 | #endif |
3437 | ||
a418e05d ILT |
3438 | #ifdef COFF_WITH_PE |
3439 | if (src->u.syment.n_sclass == C_NT_WEAK) | |
3440 | dst->symbol.flags = BSF_WEAK; | |
3441 | #endif | |
3442 | ||
9783e04a DM |
3443 | break; |
3444 | ||
3445 | case C_STAT: /* static */ | |
0f268757 | 3446 | #ifdef I960 |
9783e04a DM |
3447 | case C_LEAFSTAT: /* static leaf procedure */ |
3448 | #endif | |
3449 | case C_LABEL: /* label */ | |
3450 | if (src->u.syment.n_scnum == -2) | |
3451 | dst->symbol.flags = BSF_DEBUGGING; | |
3452 | else | |
3453 | dst->symbol.flags = BSF_LOCAL; | |
5a28331f ILT |
3454 | |
3455 | /* Base the value as an index from the base of the | |
3456 | section, if there is one. */ | |
9783e04a | 3457 | if (dst->symbol.section) |
20a9631a ILT |
3458 | { |
3459 | #if defined (COFF_WITH_PE) || defined (COFF_IMAGE_WITH_PE) | |
3460 | /* PE sets the symbol to a value relative to the | |
3461 | start of the section. */ | |
3462 | dst->symbol.value = src->u.syment.n_value; | |
3463 | #else | |
3464 | dst->symbol.value = (src->u.syment.n_value | |
3465 | - dst->symbol.section->vma); | |
3466 | #endif | |
3467 | } | |
9783e04a | 3468 | else |
5a28331f | 3469 | dst->symbol.value = src->u.syment.n_value; |
9783e04a DM |
3470 | break; |
3471 | ||
3472 | case C_MOS: /* member of structure */ | |
3473 | case C_EOS: /* end of structure */ | |
3474 | #ifdef NOTDEF /* C_AUTOARG has the same value */ | |
41f50af0 | 3475 | #ifdef C_GLBLREG |
9783e04a | 3476 | case C_GLBLREG: /* A29k-specific storage class */ |
41f50af0 SC |
3477 | #endif |
3478 | #endif | |
9783e04a DM |
3479 | case C_REGPARM: /* register parameter */ |
3480 | case C_REG: /* register variable */ | |
0f268757 | 3481 | #ifdef C_AUTOARG |
9783e04a DM |
3482 | case C_AUTOARG: /* 960-specific storage class */ |
3483 | #endif | |
3484 | case C_TPDEF: /* type definition */ | |
3485 | case C_ARG: | |
3486 | case C_AUTO: /* automatic variable */ | |
3487 | case C_FIELD: /* bit field */ | |
3488 | case C_ENTAG: /* enumeration tag */ | |
3489 | case C_MOE: /* member of enumeration */ | |
3490 | case C_MOU: /* member of union */ | |
3491 | case C_UNTAG: /* union tag */ | |
3492 | dst->symbol.flags = BSF_DEBUGGING; | |
3493 | dst->symbol.value = (src->u.syment.n_value); | |
3494 | break; | |
3495 | ||
3496 | case C_FILE: /* file name */ | |
3497 | case C_STRTAG: /* structure tag */ | |
cbdc7909 | 3498 | #ifdef RS6000COFF_C |
9783e04a DM |
3499 | case C_GSYM: |
3500 | case C_LSYM: | |
3501 | case C_PSYM: | |
3502 | case C_RSYM: | |
3503 | case C_RPSYM: | |
3504 | case C_STSYM: | |
2bd0aeb9 ILT |
3505 | case C_BCOMM: |
3506 | case C_ECOMM: | |
9783e04a DM |
3507 | case C_DECL: |
3508 | case C_ENTRY: | |
3509 | case C_FUN: | |
3510 | case C_ESTAT: | |
3511 | #endif | |
3512 | dst->symbol.flags = BSF_DEBUGGING; | |
3513 | dst->symbol.value = (src->u.syment.n_value); | |
3514 | break; | |
cbdc7909 | 3515 | |
9783e04a | 3516 | #ifdef RS6000COFF_C |
49488f2b ILT |
3517 | case C_BINCL: /* beginning of include file */ |
3518 | case C_EINCL: /* ending of include file */ | |
3519 | /* The value is actually a pointer into the line numbers | |
3520 | of the file. We locate the line number entry, and | |
3521 | set the section to the section which contains it, and | |
3522 | the value to the index in that section. */ | |
3523 | { | |
3524 | asection *sec; | |
3525 | ||
3526 | dst->symbol.flags = BSF_DEBUGGING; | |
3527 | for (sec = abfd->sections; sec != NULL; sec = sec->next) | |
dd984644 ILT |
3528 | if (sec->line_filepos <= (file_ptr) src->u.syment.n_value |
3529 | && ((file_ptr) (sec->line_filepos | |
3530 | + sec->lineno_count * LINESZ) | |
3531 | > (file_ptr) src->u.syment.n_value)) | |
49488f2b ILT |
3532 | break; |
3533 | if (sec == NULL) | |
3534 | dst->symbol.value = 0; | |
3535 | else | |
3536 | { | |
3537 | dst->symbol.section = sec; | |
3538 | dst->symbol.value = ((src->u.syment.n_value | |
3539 | - sec->line_filepos) | |
3540 | / LINESZ); | |
3541 | src->fix_line = 1; | |
3542 | } | |
3543 | } | |
3544 | break; | |
3545 | ||
9783e04a DM |
3546 | case C_BSTAT: |
3547 | dst->symbol.flags = BSF_DEBUGGING; | |
9783e04a | 3548 | |
3f2c5b2d ILT |
3549 | /* The value is actually a symbol index. Save a pointer |
3550 | to the symbol instead of the index. FIXME: This | |
3551 | should use a union. */ | |
9783e04a DM |
3552 | src->u.syment.n_value = |
3553 | (long) (native_symbols + src->u.syment.n_value); | |
49488f2b | 3554 | dst->symbol.value = src->u.syment.n_value; |
9783e04a DM |
3555 | src->fix_value = 1; |
3556 | break; | |
3557 | #endif | |
3558 | ||
3559 | case C_BLOCK: /* ".bb" or ".eb" */ | |
5a28331f | 3560 | case C_FCN: /* ".bf" or ".ef" */ |
9783e04a DM |
3561 | case C_EFCN: /* physical end of function */ |
3562 | dst->symbol.flags = BSF_LOCAL; | |
20a9631a ILT |
3563 | #if defined (COFF_WITH_PE) || defined (COFF_IMAGE_WITH_PE) |
3564 | /* PE sets the symbol to a value relative to the start | |
3565 | of the section. */ | |
3566 | dst->symbol.value = src->u.syment.n_value; | |
3567 | #else | |
5a28331f ILT |
3568 | /* Base the value as an index from the base of the |
3569 | section. */ | |
3570 | dst->symbol.value = (src->u.syment.n_value | |
3571 | - dst->symbol.section->vma); | |
20a9631a | 3572 | #endif |
9783e04a DM |
3573 | break; |
3574 | ||
3575 | case C_NULL: | |
3576 | case C_EXTDEF: /* external definition */ | |
3577 | case C_ULABEL: /* undefined label */ | |
3578 | case C_USTATIC: /* undefined static */ | |
89665c85 SC |
3579 | #ifndef COFF_WITH_PE |
3580 | /* C_LINE in regular coff is 0x68. NT has taken over this storage | |
3581 | class to represent a section symbol */ | |
9783e04a | 3582 | case C_LINE: /* line # reformatted as symbol table entry */ |
a418e05d | 3583 | /* NT uses 0x67 for a weak symbol, not C_ALIAS. */ |
9783e04a | 3584 | case C_ALIAS: /* duplicate tag */ |
a418e05d | 3585 | #endif |
9783e04a DM |
3586 | case C_HIDDEN: /* ext symbol in dmert public lib */ |
3587 | default: | |
7a7fbffb ILT |
3588 | (*_bfd_error_handler) |
3589 | ("%s: Unrecognized storage class %d for %s symbol `%s'", | |
3590 | bfd_get_filename (abfd), src->u.syment.n_sclass, | |
3591 | dst->symbol.section->name, dst->symbol.name); | |
9783e04a DM |
3592 | dst->symbol.flags = BSF_DEBUGGING; |
3593 | dst->symbol.value = (src->u.syment.n_value); | |
3594 | break; | |
3595 | } | |
cbdc7909 | 3596 | |
6590a8c9 | 3597 | /* BFD_ASSERT(dst->symbol.flags != 0);*/ |
cbdc7909 | 3598 | |
9783e04a | 3599 | dst->native = src; |
cbdc7909 | 3600 | |
f135c692 | 3601 | dst->symbol.udata.i = 0; |
9783e04a DM |
3602 | dst->lineno = (alent *) NULL; |
3603 | this_index += (src->u.syment.n_numaux) + 1; | |
3604 | dst++; | |
3605 | number_of_symbols++; | |
3606 | } /* walk the native symtab */ | |
3607 | } /* bfdize the native symtab */ | |
cbdc7909 | 3608 | |
9783e04a DM |
3609 | obj_symbols (abfd) = cached_area; |
3610 | obj_raw_syments (abfd) = native_symbols; | |
cbdc7909 | 3611 | |
9783e04a DM |
3612 | bfd_get_symcount (abfd) = number_of_symbols; |
3613 | obj_convert (abfd) = table_ptr; | |
6f715d66 | 3614 | /* Slurp the line tables for each section too */ |
9783e04a DM |
3615 | { |
3616 | asection *p; | |
3617 | p = abfd->sections; | |
3618 | while (p) | |
3619 | { | |
3620 | coff_slurp_line_table (abfd, p); | |
6f715d66 | 3621 | p = p->next; |
0f268757 | 3622 | } |
9783e04a | 3623 | } |
6f715d66 SC |
3624 | return true; |
3625 | } /* coff_slurp_symbol_table() */ | |
0f268757 | 3626 | |
69645d10 ILT |
3627 | /* Check whether a symbol is globally visible. This is used by the |
3628 | COFF backend linker code in cofflink.c, since a couple of targets | |
3629 | have globally visible symbols which are not class C_EXT. This | |
3630 | function need not handle the case of n_class == C_EXT. */ | |
3631 | ||
3632 | #undef OTHER_GLOBAL_CLASS | |
3633 | ||
3634 | #ifdef I960 | |
3635 | #define OTHER_GLOBAL_CLASS C_LEAFEXT | |
3636 | #endif | |
3637 | ||
89665c85 SC |
3638 | #ifdef COFF_WITH_PE |
3639 | #define OTHER_GLOBAL_CLASS C_SECTION | |
3640 | #endif | |
3641 | ||
69645d10 ILT |
3642 | #ifdef OTHER_GLOBAL_CLASS |
3643 | ||
46686c78 NC |
3644 | static boolean coff_sym_is_global PARAMS ((bfd *, struct internal_syment *)); |
3645 | ||
69645d10 ILT |
3646 | static boolean |
3647 | coff_sym_is_global (abfd, syment) | |
3648 | bfd *abfd; | |
3649 | struct internal_syment *syment; | |
3650 | { | |
3651 | if (syment->n_sclass == OTHER_GLOBAL_CLASS) | |
3652 | return true; | |
3653 | return false; | |
3654 | } | |
3655 | ||
3656 | #undef OTHER_GLOBAL_CLASS | |
3657 | ||
3658 | #else /* ! defined (OTHER_GLOBAL_CLASS) */ | |
3659 | ||
3660 | /* sym_is_global should not be defined if it has nothing to do. */ | |
3661 | ||
3662 | #define coff_sym_is_global 0 | |
3663 | ||
3664 | #endif /* ! defined (OTHER_GLOBAL_CLASS) */ | |
3665 | ||
9fda1a39 | 3666 | /* |
9783e04a | 3667 | SUBSUBSECTION |
c188b0be | 3668 | Reading relocations |
9fda1a39 | 3669 | |
9fda1a39 SC |
3670 | Coff relocations are easily transformed into the internal BFD form |
3671 | (@code{arelent}). | |
3672 | ||
3673 | Reading a coff relocation table is done in the following stages: | |
3674 | ||
c188b0be | 3675 | o Read the entire coff relocation table into memory. |
9fda1a39 | 3676 | |
c188b0be | 3677 | o Process each relocation in turn; first swap it from the |
9fda1a39 SC |
3678 | external to the internal form. |
3679 | ||
c188b0be DM |
3680 | o Turn the symbol referenced in the relocation's symbol index |
3681 | into a pointer into the canonical symbol table. | |
3682 | This table is the same as the one returned by a call to | |
3683 | @code{bfd_canonicalize_symtab}. The back end will call that | |
9fda1a39 SC |
3684 | routine and save the result if a canonicalization hasn't been done. |
3685 | ||
3686 | o The reloc index is turned into a pointer to a howto | |
3687 | structure, in a back end specific way. For instance, the 386 | |
3688 | and 960 use the @code{r_type} to directly produce an index | |
3689 | into a howto table vector; the 88k subtracts a number from the | |
3690 | @code{r_type} field and creates an addend field. | |
3691 | ||
3692 | ||
6f715d66 SC |
3693 | */ |
3694 | ||
3b4f1a5d | 3695 | #ifndef CALC_ADDEND |
492d52cc ILT |
3696 | #define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \ |
3697 | { \ | |
3698 | coff_symbol_type *coffsym = (coff_symbol_type *) NULL; \ | |
3699 | if (ptr && bfd_asymbol_bfd (ptr) != abfd) \ | |
3700 | coffsym = (obj_symbols (abfd) \ | |
3701 | + (cache_ptr->sym_ptr_ptr - symbols)); \ | |
3702 | else if (ptr) \ | |
3703 | coffsym = coff_symbol_from (abfd, ptr); \ | |
3704 | if (coffsym != (coff_symbol_type *) NULL \ | |
3705 | && coffsym->native->u.syment.n_scnum == 0) \ | |
3706 | cache_ptr->addend = 0; \ | |
3707 | else if (ptr && bfd_asymbol_bfd (ptr) == abfd \ | |
3708 | && ptr->section != (asection *) NULL) \ | |
3709 | cache_ptr->addend = - (ptr->section->vma + ptr->value); \ | |
3710 | else \ | |
3711 | cache_ptr->addend = 0; \ | |
3712 | } | |
3b4f1a5d SC |
3713 | #endif |
3714 | ||
9783e04a | 3715 | static boolean |
57a1867e DM |
3716 | coff_slurp_reloc_table (abfd, asect, symbols) |
3717 | bfd * abfd; | |
3718 | sec_ptr asect; | |
3719 | asymbol ** symbols; | |
85e0c721 | 3720 | { |
9783e04a DM |
3721 | RELOC *native_relocs; |
3722 | arelent *reloc_cache; | |
3723 | arelent *cache_ptr; | |
3b4f1a5d SC |
3724 | |
3725 | unsigned int idx; | |
9783e04a | 3726 | |
3b4f1a5d | 3727 | if (asect->relocation) |
9783e04a | 3728 | return true; |
3b4f1a5d | 3729 | if (asect->reloc_count == 0) |
9783e04a | 3730 | return true; |
3b4f1a5d | 3731 | if (asect->flags & SEC_CONSTRUCTOR) |
9783e04a DM |
3732 | return true; |
3733 | if (!coff_slurp_symbol_table (abfd)) | |
3734 | return false; | |
3b4f1a5d | 3735 | native_relocs = |
9783e04a DM |
3736 | (RELOC *) buy_and_read (abfd, |
3737 | asect->rel_filepos, | |
3738 | SEEK_SET, | |
3739 | (size_t) (RELSZ * | |
3740 | asect->reloc_count)); | |
3b4f1a5d | 3741 | reloc_cache = (arelent *) |
9783e04a | 3742 | bfd_alloc (abfd, (size_t) (asect->reloc_count * sizeof (arelent))); |
3b4f1a5d | 3743 | |
9783e04a | 3744 | if (reloc_cache == NULL) |
a9713b91 | 3745 | return false; |
3b4f1a5d | 3746 | |
9783e04a DM |
3747 | |
3748 | for (idx = 0; idx < asect->reloc_count; idx++) | |
3749 | { | |
3b4f1a5d | 3750 | struct internal_reloc dst; |
9783e04a | 3751 | struct external_reloc *src; |
13b58694 | 3752 | #ifndef RELOC_PROCESSING |
9783e04a | 3753 | asymbol *ptr; |
13b58694 | 3754 | #endif |
616ebcfd SC |
3755 | |
3756 | cache_ptr = reloc_cache + idx; | |
3757 | src = native_relocs + idx; | |
3758 | ||
69645d10 | 3759 | coff_swap_reloc_in (abfd, src, &dst); |
616ebcfd | 3760 | |
13b58694 FF |
3761 | #ifdef RELOC_PROCESSING |
3762 | RELOC_PROCESSING (cache_ptr, &dst, symbols, abfd, asect); | |
3763 | #else | |
9898b929 JG |
3764 | cache_ptr->address = dst.r_vaddr; |
3765 | ||
9783e04a | 3766 | if (dst.r_symndx != -1) |
8070f29d | 3767 | { |
7f21c97c ILT |
3768 | if (dst.r_symndx < 0 || dst.r_symndx >= obj_conv_table_size (abfd)) |
3769 | { | |
3770 | (*_bfd_error_handler) | |
3771 | ("%s: warning: illegal symbol index %ld in relocs", | |
3772 | bfd_get_filename (abfd), dst.r_symndx); | |
3773 | cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
13b58694 | 3774 | ptr = NULL; |
7f21c97c ILT |
3775 | } |
3776 | else | |
3777 | { | |
3778 | cache_ptr->sym_ptr_ptr = (symbols | |
3779 | + obj_convert (abfd)[dst.r_symndx]); | |
3780 | ptr = *(cache_ptr->sym_ptr_ptr); | |
3781 | } | |
8070f29d | 3782 | } |
9783e04a | 3783 | else |
8070f29d | 3784 | { |
b5b056fc | 3785 | cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; |
13b58694 | 3786 | ptr = NULL; |
8070f29d | 3787 | } |
85e0c721 | 3788 | |
cd83759c KR |
3789 | /* The symbols definitions that we have read in have been |
3790 | relocated as if their sections started at 0. But the offsets | |
3791 | refering to the symbols in the raw data have not been | |
3792 | modified, so we have to have a negative addend to compensate. | |
3793 | ||
3794 | Note that symbols which used to be common must be left alone */ | |
cbdc7909 | 3795 | |
3b4f1a5d | 3796 | /* Calculate any reloc addend by looking at the symbol */ |
9783e04a | 3797 | CALC_ADDEND (abfd, ptr, dst, cache_ptr); |
cbdc7909 | 3798 | |
3b4f1a5d | 3799 | cache_ptr->address -= asect->vma; |
e98e6ec1 | 3800 | /* !! cache_ptr->section = (asection *) NULL;*/ |
20fdc627 | 3801 | |
3b4f1a5d | 3802 | /* Fill in the cache_ptr->howto field from dst.r_type */ |
9783e04a | 3803 | RTYPE2HOWTO (cache_ptr, &dst); |
13b58694 | 3804 | #endif /* RELOC_PROCESSING */ |
9898b929 | 3805 | |
7f21c97c ILT |
3806 | if (cache_ptr->howto == NULL) |
3807 | { | |
3808 | (*_bfd_error_handler) | |
3809 | ("%s: illegal relocation type %d at address 0x%lx", | |
3810 | bfd_get_filename (abfd), dst.r_type, (long) dst.r_vaddr); | |
6270adfb | 3811 | bfd_set_error (bfd_error_bad_value); |
7f21c97c ILT |
3812 | return false; |
3813 | } | |
9783e04a | 3814 | } |
cbdc7909 | 3815 | |
3b4f1a5d SC |
3816 | asect->relocation = reloc_cache; |
3817 | return true; | |
85e0c721 | 3818 | } |
0f268757 | 3819 | |
f135c692 ILT |
3820 | #ifndef coff_rtype_to_howto |
3821 | #ifdef RTYPE2HOWTO | |
3822 | ||
3823 | /* Get the howto structure for a reloc. This is only used if the file | |
3824 | including this one defines coff_relocate_section to be | |
3825 | _bfd_coff_generic_relocate_section, so it is OK if it does not | |
3826 | always work. It is the responsibility of the including file to | |
3827 | make sure it is reasonable if it is needed. */ | |
3828 | ||
3829 | static reloc_howto_type *coff_rtype_to_howto | |
3830 | PARAMS ((bfd *, asection *, struct internal_reloc *, | |
3831 | struct coff_link_hash_entry *, struct internal_syment *, | |
3832 | bfd_vma *)); | |
3833 | ||
3834 | /*ARGSUSED*/ | |
3835 | static reloc_howto_type * | |
3836 | coff_rtype_to_howto (abfd, sec, rel, h, sym, addendp) | |
3837 | bfd *abfd; | |
3838 | asection *sec; | |
3839 | struct internal_reloc *rel; | |
3840 | struct coff_link_hash_entry *h; | |
3841 | struct internal_syment *sym; | |
3842 | bfd_vma *addendp; | |
3843 | { | |
3844 | arelent genrel; | |
3845 | ||
3846 | RTYPE2HOWTO (&genrel, rel); | |
3847 | return genrel.howto; | |
3848 | } | |
3849 | ||
3850 | #else /* ! defined (RTYPE2HOWTO) */ | |
3851 | ||
3852 | #define coff_rtype_to_howto NULL | |
3853 | ||
3854 | #endif /* ! defined (RTYPE2HOWTO) */ | |
3855 | #endif /* ! defined (coff_rtype_to_howto) */ | |
0f268757 | 3856 | |
cd83759c | 3857 | /* This is stupid. This function should be a boolean predicate. */ |
326e32d7 | 3858 | static long |
57a1867e DM |
3859 | coff_canonicalize_reloc (abfd, section, relptr, symbols) |
3860 | bfd * abfd; | |
3861 | sec_ptr section; | |
3862 | arelent ** relptr; | |
3863 | asymbol ** symbols; | |
85e0c721 | 3864 | { |
9783e04a DM |
3865 | arelent *tblptr = section->relocation; |
3866 | unsigned int count = 0; | |
cbdc7909 | 3867 | |
cbdc7909 | 3868 | |
9783e04a DM |
3869 | if (section->flags & SEC_CONSTRUCTOR) |
3870 | { | |
3871 | /* this section has relocs made up by us, they are not in the | |
e98e6ec1 SC |
3872 | file, so take them out of their chain and place them into |
3873 | the data area provided */ | |
9783e04a DM |
3874 | arelent_chain *chain = section->constructor_chain; |
3875 | for (count = 0; count < section->reloc_count; count++) | |
3876 | { | |
3877 | *relptr++ = &chain->relent; | |
3878 | chain = chain->next; | |
3879 | } | |
e98e6ec1 | 3880 | |
9783e04a DM |
3881 | } |
3882 | else | |
3883 | { | |
326e32d7 ILT |
3884 | if (! coff_slurp_reloc_table (abfd, section, symbols)) |
3885 | return -1; | |
85e0c721 | 3886 | |
9783e04a | 3887 | tblptr = section->relocation; |
85e0c721 | 3888 | |
9783e04a DM |
3889 | for (; count++ < section->reloc_count;) |
3890 | *relptr++ = tblptr++; | |
cbdc7909 | 3891 | |
85e0c721 | 3892 | |
9783e04a | 3893 | } |
e98e6ec1 SC |
3894 | *relptr = 0; |
3895 | return section->reloc_count; | |
85e0c721 | 3896 | } |
0f268757 | 3897 | |
0f268757 SC |
3898 | #ifdef GNU960 |
3899 | file_ptr | |
9783e04a DM |
3900 | coff_sym_filepos (abfd) |
3901 | bfd *abfd; | |
3902 | { | |
3903 | return obj_sym_filepos (abfd); | |
3904 | } | |
0f268757 SC |
3905 | #endif |
3906 | ||
fbb61b50 SC |
3907 | #ifndef coff_reloc16_estimate |
3908 | #define coff_reloc16_estimate dummy_reloc16_estimate | |
3909 | ||
46686c78 NC |
3910 | static int dummy_reloc16_estimate |
3911 | PARAMS ((bfd *, asection *, arelent *, unsigned int, | |
3912 | struct bfd_link_info *)); | |
3913 | ||
56775366 | 3914 | static int |
09a28207 ILT |
3915 | dummy_reloc16_estimate (abfd, input_section, reloc, shrink, link_info) |
3916 | bfd *abfd; | |
fbb61b50 | 3917 | asection *input_section; |
fbb61b50 | 3918 | arelent *reloc; |
56775366 | 3919 | unsigned int shrink; |
330595d0 | 3920 | struct bfd_link_info *link_info; |
fbb61b50 | 3921 | { |
56775366 | 3922 | abort (); |
fbb61b50 SC |
3923 | } |
3924 | ||
3925 | #endif | |
3926 | ||
075caafd | 3927 | #ifndef coff_reloc16_extra_cases |
46686c78 | 3928 | |
9e768fa2 | 3929 | #define coff_reloc16_extra_cases dummy_reloc16_extra_cases |
46686c78 | 3930 | |
9e768fa2 | 3931 | /* This works even if abort is not declared in any header file. */ |
46686c78 NC |
3932 | |
3933 | static void dummy_reloc16_extra_cases | |
3934 | PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, | |
3935 | bfd_byte *, unsigned int *, unsigned int *)); | |
3936 | ||
4d09e8ac | 3937 | static void |
330595d0 ILT |
3938 | dummy_reloc16_extra_cases (abfd, link_info, link_order, reloc, data, src_ptr, |
3939 | dst_ptr) | |
9e768fa2 | 3940 | bfd *abfd; |
330595d0 ILT |
3941 | struct bfd_link_info *link_info; |
3942 | struct bfd_link_order *link_order; | |
9e768fa2 JK |
3943 | arelent *reloc; |
3944 | bfd_byte *data; | |
3945 | unsigned int *src_ptr; | |
3946 | unsigned int *dst_ptr; | |
3947 | { | |
3948 | abort (); | |
3949 | } | |
8ad2a31d | 3950 | #endif |
6590a8c9 | 3951 | |
69645d10 ILT |
3952 | /* If coff_relocate_section is defined, we can use the optimized COFF |
3953 | backend linker. Otherwise we must continue to use the old linker. */ | |
3954 | #ifdef coff_relocate_section | |
f135c692 | 3955 | #ifndef coff_bfd_link_hash_table_create |
69645d10 | 3956 | #define coff_bfd_link_hash_table_create _bfd_coff_link_hash_table_create |
f135c692 ILT |
3957 | #endif |
3958 | #ifndef coff_bfd_link_add_symbols | |
69645d10 | 3959 | #define coff_bfd_link_add_symbols _bfd_coff_link_add_symbols |
f135c692 ILT |
3960 | #endif |
3961 | #ifndef coff_bfd_final_link | |
69645d10 | 3962 | #define coff_bfd_final_link _bfd_coff_final_link |
f135c692 | 3963 | #endif |
69645d10 ILT |
3964 | #else /* ! defined (coff_relocate_section) */ |
3965 | #define coff_relocate_section NULL | |
39f27966 | 3966 | #ifndef coff_bfd_link_hash_table_create |
69645d10 | 3967 | #define coff_bfd_link_hash_table_create _bfd_generic_link_hash_table_create |
39f27966 | 3968 | #endif |
57289b5c | 3969 | #ifndef coff_bfd_link_add_symbols |
69645d10 | 3970 | #define coff_bfd_link_add_symbols _bfd_generic_link_add_symbols |
57289b5c | 3971 | #endif |
69645d10 ILT |
3972 | #define coff_bfd_final_link _bfd_generic_final_link |
3973 | #endif /* ! defined (coff_relocate_section) */ | |
46686c78 | 3974 | |
89665c85 | 3975 | #define coff_bfd_link_split_section _bfd_generic_link_split_section |
69645d10 | 3976 | |
a208a70f ILT |
3977 | #ifndef coff_start_final_link |
3978 | #define coff_start_final_link NULL | |
3979 | #endif | |
3980 | ||
f135c692 ILT |
3981 | #ifndef coff_adjust_symndx |
3982 | #define coff_adjust_symndx NULL | |
3983 | #endif | |
3984 | ||
d19df9b5 ILT |
3985 | #ifndef coff_link_add_one_symbol |
3986 | #define coff_link_add_one_symbol _bfd_generic_link_add_one_symbol | |
3987 | #endif | |
3988 | ||
9783e04a DM |
3989 | static CONST bfd_coff_backend_data bfd_coff_std_swap_table = |
3990 | { | |
3991 | coff_swap_aux_in, coff_swap_sym_in, coff_swap_lineno_in, | |
3992 | coff_swap_aux_out, coff_swap_sym_out, | |
3993 | coff_swap_lineno_out, coff_swap_reloc_out, | |
3994 | coff_swap_filehdr_out, coff_swap_aouthdr_out, | |
3995 | coff_swap_scnhdr_out, | |
69645d10 | 3996 | FILHSZ, AOUTSZ, SCNHSZ, SYMESZ, AUXESZ, RELSZ, LINESZ, |
075caafd | 3997 | #ifdef COFF_LONG_FILENAMES |
9783e04a | 3998 | true, |
075caafd | 3999 | #else |
9783e04a | 4000 | false, |
e8f3bb64 ILT |
4001 | #endif |
4002 | #ifdef COFF_LONG_SECTION_NAMES | |
4003 | true, | |
4004 | #else | |
4005 | false, | |
07de8e96 | 4006 | #endif |
46686c78 | 4007 | COFF_DEFAULT_SECTION_ALIGNMENT_POWER, |
9783e04a | 4008 | coff_swap_filehdr_in, coff_swap_aouthdr_in, coff_swap_scnhdr_in, |
69645d10 | 4009 | coff_swap_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook, |
1af85fbb | 4010 | coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook, |
c80cc833 | 4011 | coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook, |
0fc9ada9 | 4012 | coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate, |
69645d10 | 4013 | coff_sym_is_global, coff_compute_section_file_positions, |
a208a70f | 4014 | coff_start_final_link, coff_relocate_section, coff_rtype_to_howto, |
d19df9b5 | 4015 | coff_adjust_symndx, coff_link_add_one_symbol |
075caafd | 4016 | }; |
0f268757 | 4017 | |
46686c78 NC |
4018 | #ifndef coff_close_and_cleanup |
4019 | #define coff_close_and_cleanup _bfd_generic_close_and_cleanup | |
4020 | #endif | |
4021 | ||
4022 | #ifndef coff_bfd_free_cached_info | |
4023 | #define coff_bfd_free_cached_info _bfd_generic_bfd_free_cached_info | |
4024 | #endif | |
4025 | ||
4026 | #ifndef coff_get_section_contents | |
4027 | #define coff_get_section_contents _bfd_generic_get_section_contents | |
4028 | #endif | |
09a28207 | 4029 | |
db344f82 | 4030 | #ifndef coff_bfd_copy_private_symbol_data |
46686c78 | 4031 | #define coff_bfd_copy_private_symbol_data _bfd_generic_bfd_copy_private_symbol_data |
db344f82 SC |
4032 | #endif |
4033 | ||
4034 | #ifndef coff_bfd_copy_private_section_data | |
4035 | #define coff_bfd_copy_private_section_data _bfd_generic_bfd_copy_private_section_data | |
4036 | #endif | |
4037 | ||
4038 | #ifndef coff_bfd_copy_private_bfd_data | |
46686c78 NC |
4039 | #define coff_bfd_copy_private_bfd_data _bfd_generic_bfd_copy_private_bfd_data |
4040 | #endif | |
4041 | ||
4042 | #ifndef coff_bfd_merge_private_bfd_data | |
4043 | #define coff_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data | |
db344f82 SC |
4044 | #endif |
4045 | ||
46686c78 NC |
4046 | #ifndef coff_bfd_set_private_flags |
4047 | #define coff_bfd_set_private_flags _bfd_generic_bfd_set_private_flags | |
4048 | #endif | |
6812b607 | 4049 | |
beee31b1 | 4050 | #ifndef coff_bfd_print_private_bfd_data |
46686c78 | 4051 | #define coff_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data |
beee31b1 SC |
4052 | #endif |
4053 | ||
35a3e78e | 4054 | #ifndef coff_bfd_is_local_label_name |
46686c78 | 4055 | #define coff_bfd_is_local_label_name _bfd_coff_is_local_label_name |
09a28207 | 4056 | #endif |
46686c78 | 4057 | |
e9614321 | 4058 | #ifndef coff_read_minisymbols |
46686c78 | 4059 | #define coff_read_minisymbols _bfd_generic_read_minisymbols |
e9614321 | 4060 | #endif |
46686c78 | 4061 | |
e9614321 | 4062 | #ifndef coff_minisymbol_to_symbol |
46686c78 | 4063 | #define coff_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol |
e9614321 | 4064 | #endif |
6812b607 ILT |
4065 | |
4066 | /* The reloc lookup routine must be supplied by each individual COFF | |
4067 | backend. */ | |
4068 | #ifndef coff_bfd_reloc_type_lookup | |
46686c78 | 4069 | #define coff_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup |
6812b607 ILT |
4070 | #endif |
4071 | ||
e9614321 | 4072 | #ifndef coff_bfd_get_relocated_section_contents |
6812b607 ILT |
4073 | #define coff_bfd_get_relocated_section_contents \ |
4074 | bfd_generic_get_relocated_section_contents | |
e9614321 | 4075 | #endif |
46686c78 | 4076 | |
e9614321 | 4077 | #ifndef coff_bfd_relax_section |
46686c78 | 4078 | #define coff_bfd_relax_section bfd_generic_relax_section |
e9614321 | 4079 | #endif |