Commit | Line | Data |
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252b5132 | 1 | /* nlmconv.c -- NLM conversion program |
8b53311e | 2 | Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 |
37cc8ec1 | 3 | Free Software Foundation, Inc. |
252b5132 | 4 | |
8b53311e | 5 | This file is part of GNU Binutils. |
252b5132 | 6 | |
8b53311e NC |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
252b5132 | 11 | |
8b53311e NC |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
252b5132 | 16 | |
8b53311e NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
252b5132 RH |
20 | |
21 | /* Written by Ian Lance Taylor <ian@cygnus.com>. | |
22 | ||
23 | This program can be used to convert any appropriate object file | |
24 | into a NetWare Loadable Module (an NLM). It will accept a linker | |
25 | specification file which is identical to that accepted by the | |
26 | NetWare linker, NLMLINK. */ | |
27 | ||
28 | /* AIX requires this to be the first thing in the file. */ | |
29 | #ifndef __GNUC__ | |
30 | # ifdef _AIX | |
31 | #pragma alloca | |
32 | #endif | |
33 | #endif | |
34 | ||
35 | #include "bfd.h" | |
36 | #include "libiberty.h" | |
37 | #include "bucomm.h" | |
3882b010 | 38 | #include "safe-ctype.h" |
252b5132 RH |
39 | |
40 | #include <ansidecl.h> | |
41 | #include <time.h> | |
252b5132 RH |
42 | #include <sys/stat.h> |
43 | #include <sys/file.h> | |
44 | #include <assert.h> | |
45 | #include <getopt.h> | |
46 | ||
47 | /* Internal BFD NLM header. */ | |
48 | #include "libnlm.h" | |
49 | #include "nlmconv.h" | |
50 | ||
51 | #ifdef NLMCONV_ALPHA | |
52 | #include "coff/sym.h" | |
53 | #include "coff/ecoff.h" | |
54 | #endif | |
55 | ||
56 | /* If strerror is just a macro, we want to use the one from libiberty | |
57 | since it will handle undefined values. */ | |
58 | #undef strerror | |
1d50f91e | 59 | extern char *strerror PARAMS ((int)); |
252b5132 RH |
60 | |
61 | #ifndef localtime | |
62 | extern struct tm *localtime (); | |
63 | #endif | |
64 | ||
65 | #ifndef SEEK_SET | |
66 | #define SEEK_SET 0 | |
67 | #endif | |
68 | ||
69 | #ifndef R_OK | |
70 | #define R_OK 4 | |
71 | #define W_OK 2 | |
72 | #define X_OK 1 | |
73 | #endif | |
74 | \f | |
75 | /* Global variables. */ | |
76 | ||
77 | /* The name used to invoke the program. */ | |
78 | char *program_name; | |
79 | ||
80 | /* Local variables. */ | |
81 | ||
82 | /* Whether to print out debugging information (currently just controls | |
83 | whether it prints the linker command if there is one). */ | |
84 | static int debug; | |
85 | ||
86 | /* The symbol table. */ | |
87 | static asymbol **symbols; | |
88 | ||
89 | /* A section we create in the output file to hold pointers to where | |
90 | the sections of the input file end up. We will put a pointer to | |
91 | this section in the NLM header. These is an entry for each input | |
92 | section. The format is | |
93 | null terminated section name | |
94 | zeroes to adjust to 4 byte boundary | |
95 | 4 byte section data file pointer | |
96 | 4 byte section size | |
97 | We don't need a version number. The way we find this information | |
98 | is by finding a stamp in the NLM header information. If we need to | |
99 | change the format of this information, we can simply change the | |
100 | stamp. */ | |
101 | static asection *secsec; | |
102 | ||
103 | /* A temporary file name to be unlinked on exit. Actually, for most | |
104 | errors, we leave it around. It's not clear whether that is helpful | |
105 | or not. */ | |
106 | static char *unlink_on_exit; | |
107 | ||
108 | /* The list of long options. */ | |
109 | static struct option long_options[] = | |
110 | { | |
111 | { "debug", no_argument, 0, 'd' }, | |
112 | { "header-file", required_argument, 0, 'T' }, | |
113 | { "help", no_argument, 0, 'h' }, | |
114 | { "input-target", required_argument, 0, 'I' }, | |
115 | { "input-format", required_argument, 0, 'I' }, /* Obsolete */ | |
116 | { "linker", required_argument, 0, 'l' }, | |
117 | { "output-target", required_argument, 0, 'O' }, | |
118 | { "output-format", required_argument, 0, 'O' }, /* Obsolete */ | |
119 | { "version", no_argument, 0, 'V' }, | |
120 | { NULL, no_argument, 0, 0 } | |
121 | }; | |
122 | ||
123 | /* Local routines. */ | |
124 | ||
252b5132 RH |
125 | static void show_usage PARAMS ((FILE *, int)); |
126 | static const char *select_output_format PARAMS ((enum bfd_architecture, | |
127 | unsigned long, boolean)); | |
128 | static void setup_sections PARAMS ((bfd *, asection *, PTR)); | |
129 | static void copy_sections PARAMS ((bfd *, asection *, PTR)); | |
130 | static void mangle_relocs PARAMS ((bfd *, asection *, arelent ***, | |
131 | long *, char *, | |
132 | bfd_size_type)); | |
133 | static void default_mangle_relocs PARAMS ((bfd *, asection *, arelent ***, | |
134 | long *, char *, | |
135 | bfd_size_type)); | |
136 | static char *link_inputs PARAMS ((struct string_list *, char *)); | |
137 | ||
138 | #ifdef NLMCONV_I386 | |
139 | static void i386_mangle_relocs PARAMS ((bfd *, asection *, arelent ***, | |
140 | long *, char *, | |
141 | bfd_size_type)); | |
142 | #endif | |
143 | ||
144 | #ifdef NLMCONV_ALPHA | |
145 | static void alpha_mangle_relocs PARAMS ((bfd *, asection *, arelent ***, | |
146 | long *, char *, | |
147 | bfd_size_type)); | |
148 | #endif | |
149 | ||
150 | #ifdef NLMCONV_POWERPC | |
151 | static void powerpc_build_stubs PARAMS ((bfd *, bfd *, asymbol ***, long *)); | |
152 | static void powerpc_resolve_stubs PARAMS ((bfd *, bfd *)); | |
153 | static void powerpc_mangle_relocs PARAMS ((bfd *, asection *, arelent ***, | |
154 | long *, char *, | |
155 | bfd_size_type)); | |
156 | #endif | |
157 | \f | |
158 | /* The main routine. */ | |
159 | ||
160 | int | |
161 | main (argc, argv) | |
162 | int argc; | |
163 | char **argv; | |
164 | { | |
165 | int opt; | |
166 | char *input_file = NULL; | |
167 | const char *input_format = NULL; | |
168 | const char *output_format = NULL; | |
169 | const char *header_file = NULL; | |
170 | char *ld_arg = NULL; | |
171 | Nlm_Internal_Fixed_Header fixed_hdr_struct; | |
172 | Nlm_Internal_Variable_Header var_hdr_struct; | |
173 | Nlm_Internal_Version_Header version_hdr_struct; | |
174 | Nlm_Internal_Copyright_Header copyright_hdr_struct; | |
175 | Nlm_Internal_Extended_Header extended_hdr_struct; | |
176 | bfd *inbfd; | |
177 | bfd *outbfd; | |
178 | asymbol **newsyms, **outsyms; | |
179 | long symcount, newsymalloc, newsymcount; | |
180 | long symsize; | |
181 | asection *text_sec, *bss_sec, *data_sec; | |
182 | bfd_vma vma; | |
183 | bfd_size_type align; | |
184 | asymbol *endsym; | |
185 | long i; | |
186 | char inlead, outlead; | |
187 | boolean gotstart, gotexit, gotcheck; | |
188 | struct stat st; | |
189 | FILE *custom_data = NULL; | |
190 | FILE *help_data = NULL; | |
191 | FILE *message_data = NULL; | |
192 | FILE *rpc_data = NULL; | |
193 | FILE *shared_data = NULL; | |
194 | size_t custom_size = 0; | |
195 | size_t help_size = 0; | |
196 | size_t message_size = 0; | |
197 | size_t module_size = 0; | |
198 | size_t rpc_size = 0; | |
199 | asection *custom_section = NULL; | |
200 | asection *help_section = NULL; | |
201 | asection *message_section = NULL; | |
202 | asection *module_section = NULL; | |
203 | asection *rpc_section = NULL; | |
204 | asection *shared_section = NULL; | |
205 | bfd *sharedbfd; | |
206 | size_t shared_offset = 0; | |
207 | size_t shared_size = 0; | |
208 | Nlm_Internal_Fixed_Header sharedhdr; | |
209 | int len; | |
210 | char *modname; | |
211 | char **matching; | |
212 | ||
213 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
214 | setlocale (LC_MESSAGES, ""); | |
3882b010 L |
215 | #endif |
216 | #if defined (HAVE_SETLOCALE) | |
217 | setlocale (LC_CTYPE, ""); | |
252b5132 RH |
218 | #endif |
219 | bindtextdomain (PACKAGE, LOCALEDIR); | |
220 | textdomain (PACKAGE); | |
221 | ||
222 | program_name = argv[0]; | |
223 | xmalloc_set_program_name (program_name); | |
224 | ||
225 | bfd_init (); | |
226 | set_default_bfd_target (); | |
227 | ||
8b53311e | 228 | while ((opt = getopt_long (argc, argv, "dHhI:l:O:T:Vv", long_options, |
252b5132 RH |
229 | (int *) NULL)) |
230 | != EOF) | |
231 | { | |
232 | switch (opt) | |
233 | { | |
234 | case 'd': | |
235 | debug = 1; | |
236 | break; | |
8b53311e | 237 | case 'H': |
252b5132 | 238 | case 'h': |
8b53311e NC |
239 | show_usage (stdout, 0); |
240 | break; | |
252b5132 RH |
241 | case 'I': |
242 | input_format = optarg; | |
243 | break; | |
244 | case 'l': | |
245 | ld_arg = optarg; | |
246 | break; | |
247 | case 'O': | |
248 | output_format = optarg; | |
249 | break; | |
250 | case 'T': | |
251 | header_file = optarg; | |
252 | break; | |
8b53311e | 253 | case 'v': |
252b5132 RH |
254 | case 'V': |
255 | print_version ("nlmconv"); | |
8b53311e | 256 | break; |
252b5132 RH |
257 | case 0: |
258 | break; | |
259 | default: | |
260 | show_usage (stderr, 1); | |
8b53311e | 261 | break; |
252b5132 RH |
262 | } |
263 | } | |
264 | ||
265 | /* The input and output files may be named on the command line. */ | |
266 | output_file = NULL; | |
267 | if (optind < argc) | |
268 | { | |
269 | input_file = argv[optind]; | |
270 | ++optind; | |
271 | if (optind < argc) | |
272 | { | |
273 | output_file = argv[optind]; | |
274 | ++optind; | |
275 | if (optind < argc) | |
276 | show_usage (stderr, 1); | |
277 | if (strcmp (input_file, output_file) == 0) | |
278 | { | |
37cc8ec1 | 279 | fatal (_("input and output files must be different")); |
252b5132 RH |
280 | } |
281 | } | |
282 | } | |
283 | ||
284 | /* Initialize the header information to default values. */ | |
285 | fixed_hdr = &fixed_hdr_struct; | |
286 | memset ((PTR) &fixed_hdr_struct, 0, sizeof fixed_hdr_struct); | |
287 | var_hdr = &var_hdr_struct; | |
288 | memset ((PTR) &var_hdr_struct, 0, sizeof var_hdr_struct); | |
289 | version_hdr = &version_hdr_struct; | |
290 | memset ((PTR) &version_hdr_struct, 0, sizeof version_hdr_struct); | |
291 | copyright_hdr = ©right_hdr_struct; | |
292 | memset ((PTR) ©right_hdr_struct, 0, sizeof copyright_hdr_struct); | |
293 | extended_hdr = &extended_hdr_struct; | |
294 | memset ((PTR) &extended_hdr_struct, 0, sizeof extended_hdr_struct); | |
295 | check_procedure = NULL; | |
296 | custom_file = NULL; | |
297 | debug_info = false; | |
298 | exit_procedure = "_Stop"; | |
299 | export_symbols = NULL; | |
300 | map_file = NULL; | |
301 | full_map = false; | |
302 | help_file = NULL; | |
303 | import_symbols = NULL; | |
304 | message_file = NULL; | |
305 | modules = NULL; | |
306 | sharelib_file = NULL; | |
307 | start_procedure = "_Prelude"; | |
308 | verbose = false; | |
309 | rpc_file = NULL; | |
310 | ||
311 | parse_errors = 0; | |
312 | ||
313 | /* Parse the header file (if there is one). */ | |
314 | if (header_file != NULL) | |
315 | { | |
316 | if (! nlmlex_file (header_file) | |
317 | || yyparse () != 0 | |
318 | || parse_errors != 0) | |
319 | exit (1); | |
320 | } | |
321 | ||
322 | if (input_files != NULL) | |
323 | { | |
324 | if (input_file != NULL) | |
325 | { | |
37cc8ec1 | 326 | fatal (_("input file named both on command line and with INPUT")); |
252b5132 RH |
327 | } |
328 | if (input_files->next == NULL) | |
329 | input_file = input_files->string; | |
330 | else | |
331 | input_file = link_inputs (input_files, ld_arg); | |
332 | } | |
333 | else if (input_file == NULL) | |
334 | { | |
37cc8ec1 | 335 | non_fatal (_("no input file")); |
252b5132 RH |
336 | show_usage (stderr, 1); |
337 | } | |
338 | ||
339 | inbfd = bfd_openr (input_file, input_format); | |
340 | if (inbfd == NULL) | |
341 | bfd_fatal (input_file); | |
342 | ||
343 | if (! bfd_check_format_matches (inbfd, bfd_object, &matching)) | |
344 | { | |
345 | bfd_nonfatal (input_file); | |
346 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) | |
347 | { | |
348 | list_matching_formats (matching); | |
349 | free (matching); | |
350 | } | |
351 | exit (1); | |
352 | } | |
353 | ||
354 | if (output_format == NULL) | |
355 | output_format = select_output_format (bfd_get_arch (inbfd), | |
356 | bfd_get_mach (inbfd), | |
357 | bfd_big_endian (inbfd)); | |
358 | ||
359 | assert (output_format != NULL); | |
360 | ||
361 | /* Use the output file named on the command line if it exists. | |
362 | Otherwise use the file named in the OUTPUT statement. */ | |
363 | if (output_file == NULL) | |
364 | { | |
37cc8ec1 | 365 | non_fatal (_("no name for output file")); |
252b5132 RH |
366 | show_usage (stderr, 1); |
367 | } | |
368 | ||
369 | outbfd = bfd_openw (output_file, output_format); | |
370 | if (outbfd == NULL) | |
371 | bfd_fatal (output_file); | |
372 | if (! bfd_set_format (outbfd, bfd_object)) | |
373 | bfd_fatal (output_file); | |
374 | ||
375 | assert (bfd_get_flavour (outbfd) == bfd_target_nlm_flavour); | |
376 | ||
377 | if (bfd_arch_get_compatible (inbfd, outbfd) == NULL) | |
37cc8ec1 | 378 | non_fatal (_("warning: input and output formats are not compatible")); |
252b5132 RH |
379 | |
380 | /* Move the values read from the command file into outbfd. */ | |
381 | *nlm_fixed_header (outbfd) = fixed_hdr_struct; | |
382 | *nlm_variable_header (outbfd) = var_hdr_struct; | |
383 | *nlm_version_header (outbfd) = version_hdr_struct; | |
384 | *nlm_copyright_header (outbfd) = copyright_hdr_struct; | |
385 | *nlm_extended_header (outbfd) = extended_hdr_struct; | |
386 | ||
387 | /* Start copying the input BFD to the output BFD. */ | |
388 | if (! bfd_set_file_flags (outbfd, bfd_get_file_flags (inbfd))) | |
389 | bfd_fatal (bfd_get_filename (outbfd)); | |
390 | ||
391 | symsize = bfd_get_symtab_upper_bound (inbfd); | |
392 | if (symsize < 0) | |
393 | bfd_fatal (input_file); | |
394 | symbols = (asymbol **) xmalloc (symsize); | |
395 | symcount = bfd_canonicalize_symtab (inbfd, symbols); | |
396 | if (symcount < 0) | |
397 | bfd_fatal (input_file); | |
398 | ||
399 | /* Make sure we have a .bss section. */ | |
400 | bss_sec = bfd_get_section_by_name (outbfd, NLM_UNINITIALIZED_DATA_NAME); | |
401 | if (bss_sec == NULL) | |
402 | { | |
403 | bss_sec = bfd_make_section (outbfd, NLM_UNINITIALIZED_DATA_NAME); | |
404 | if (bss_sec == NULL | |
405 | || ! bfd_set_section_flags (outbfd, bss_sec, SEC_ALLOC) | |
406 | || ! bfd_set_section_alignment (outbfd, bss_sec, 1)) | |
407 | bfd_fatal (_("make .bss section")); | |
408 | } | |
409 | ||
410 | /* We store the original section names in the .nlmsections section, | |
411 | so that programs which understand it can resurrect the original | |
412 | sections from the NLM. We will put a pointer to .nlmsections in | |
413 | the NLM header area. */ | |
414 | secsec = bfd_make_section (outbfd, ".nlmsections"); | |
415 | if (secsec == NULL) | |
416 | bfd_fatal (_("make .nlmsections section")); | |
417 | if (! bfd_set_section_flags (outbfd, secsec, SEC_HAS_CONTENTS)) | |
418 | bfd_fatal (_("set .nlmsections flags")); | |
419 | ||
420 | #ifdef NLMCONV_POWERPC | |
421 | /* For PowerPC NetWare we need to build stubs for calls to undefined | |
422 | symbols. Because each stub requires an entry in the TOC section | |
423 | which must be at the same location as other entries in the TOC | |
424 | section, we must do this before determining where the TOC section | |
425 | goes in setup_sections. */ | |
426 | if (bfd_get_arch (inbfd) == bfd_arch_powerpc) | |
427 | powerpc_build_stubs (inbfd, outbfd, &symbols, &symcount); | |
428 | #endif | |
429 | ||
430 | /* Set up the sections. */ | |
431 | bfd_map_over_sections (inbfd, setup_sections, (PTR) outbfd); | |
432 | ||
433 | text_sec = bfd_get_section_by_name (outbfd, NLM_CODE_NAME); | |
434 | ||
435 | /* The .bss section immediately follows the .data section. */ | |
436 | data_sec = bfd_get_section_by_name (outbfd, NLM_INITIALIZED_DATA_NAME); | |
437 | if (data_sec != NULL) | |
438 | { | |
439 | bfd_size_type add; | |
440 | ||
441 | vma = bfd_get_section_size_before_reloc (data_sec); | |
442 | align = 1 << bss_sec->alignment_power; | |
443 | add = ((vma + align - 1) &~ (align - 1)) - vma; | |
444 | vma += add; | |
445 | if (! bfd_set_section_vma (outbfd, bss_sec, vma)) | |
446 | bfd_fatal (_("set .bss vma")); | |
447 | if (add != 0) | |
448 | { | |
449 | bfd_size_type data_size; | |
450 | ||
451 | data_size = bfd_get_section_size_before_reloc (data_sec); | |
452 | if (! bfd_set_section_size (outbfd, data_sec, data_size + add)) | |
453 | bfd_fatal (_("set .data size")); | |
454 | } | |
455 | } | |
456 | ||
457 | /* Adjust symbol information. */ | |
458 | inlead = bfd_get_symbol_leading_char (inbfd); | |
459 | outlead = bfd_get_symbol_leading_char (outbfd); | |
460 | gotstart = false; | |
461 | gotexit = false; | |
462 | gotcheck = false; | |
463 | newsymalloc = 10; | |
464 | newsyms = (asymbol **) xmalloc (newsymalloc * sizeof (asymbol *)); | |
465 | newsymcount = 0; | |
466 | endsym = NULL; | |
467 | for (i = 0; i < symcount; i++) | |
468 | { | |
469 | register asymbol *sym; | |
470 | ||
471 | sym = symbols[i]; | |
472 | ||
473 | /* Add or remove a leading underscore. */ | |
474 | if (inlead != outlead) | |
475 | { | |
476 | if (inlead != '\0') | |
477 | { | |
478 | if (bfd_asymbol_name (sym)[0] == inlead) | |
479 | { | |
480 | if (outlead == '\0') | |
481 | ++sym->name; | |
482 | else | |
483 | { | |
484 | char *new; | |
485 | ||
486 | new = xmalloc (strlen (bfd_asymbol_name (sym)) + 1); | |
487 | new[0] = outlead; | |
488 | strcpy (new + 1, bfd_asymbol_name (sym) + 1); | |
489 | sym->name = new; | |
490 | } | |
491 | } | |
492 | } | |
493 | else | |
494 | { | |
495 | char *new; | |
496 | ||
497 | new = xmalloc (strlen (bfd_asymbol_name (sym)) + 2); | |
498 | new[0] = outlead; | |
499 | strcpy (new + 1, bfd_asymbol_name (sym)); | |
500 | sym->name = new; | |
501 | } | |
502 | } | |
503 | ||
504 | /* NLM's have an uninitialized data section, but they do not | |
505 | have a common section in the Unix sense. Move all common | |
506 | symbols into the .bss section, and mark them as exported. */ | |
507 | if (bfd_is_com_section (bfd_get_section (sym))) | |
508 | { | |
509 | bfd_vma size; | |
510 | ||
511 | sym->section = bss_sec; | |
512 | size = sym->value; | |
513 | sym->value = bss_sec->_raw_size; | |
514 | bss_sec->_raw_size += size; | |
515 | align = 1 << bss_sec->alignment_power; | |
516 | bss_sec->_raw_size = (bss_sec->_raw_size + align - 1) &~ (align - 1); | |
517 | sym->flags |= BSF_EXPORT | BSF_GLOBAL; | |
518 | } | |
519 | else if (bfd_get_section (sym)->output_section != NULL) | |
520 | { | |
521 | /* Move the symbol into the output section. */ | |
522 | sym->value += bfd_get_section (sym)->output_offset; | |
523 | sym->section = bfd_get_section (sym)->output_section; | |
524 | /* This is no longer a section symbol. */ | |
525 | sym->flags &=~ BSF_SECTION_SYM; | |
526 | } | |
527 | ||
528 | /* Force _edata and _end to be defined. This would normally be | |
529 | done by the linker, but the manipulation of the common | |
530 | symbols will confuse it. */ | |
531 | if ((sym->flags & BSF_DEBUGGING) == 0 | |
532 | && bfd_asymbol_name (sym)[0] == '_' | |
533 | && bfd_is_und_section (bfd_get_section (sym))) | |
534 | { | |
535 | if (strcmp (bfd_asymbol_name (sym), "_edata") == 0) | |
536 | { | |
537 | sym->section = bss_sec; | |
538 | sym->value = 0; | |
539 | } | |
540 | if (strcmp (bfd_asymbol_name (sym), "_end") == 0) | |
541 | { | |
542 | sym->section = bss_sec; | |
543 | endsym = sym; | |
544 | } | |
545 | ||
546 | #ifdef NLMCONV_POWERPC | |
547 | /* For PowerPC NetWare, we define __GOT0. This is the start | |
548 | of the .got section. */ | |
549 | if (bfd_get_arch (inbfd) == bfd_arch_powerpc | |
550 | && strcmp (bfd_asymbol_name (sym), "__GOT0") == 0) | |
551 | { | |
552 | asection *got_sec; | |
553 | ||
554 | got_sec = bfd_get_section_by_name (inbfd, ".got"); | |
555 | assert (got_sec != (asection *) NULL); | |
556 | sym->value = got_sec->output_offset; | |
557 | sym->section = got_sec->output_section; | |
558 | } | |
559 | #endif | |
560 | } | |
561 | ||
562 | /* If this is a global symbol, check the export list. */ | |
563 | if ((sym->flags & (BSF_EXPORT | BSF_GLOBAL)) != 0) | |
564 | { | |
565 | register struct string_list *l; | |
566 | int found_simple; | |
567 | ||
568 | /* Unfortunately, a symbol can appear multiple times on the | |
569 | export list, with and without prefixes. */ | |
570 | found_simple = 0; | |
571 | for (l = export_symbols; l != NULL; l = l->next) | |
572 | { | |
573 | if (strcmp (l->string, bfd_asymbol_name (sym)) == 0) | |
574 | found_simple = 1; | |
575 | else | |
576 | { | |
577 | char *zbase; | |
578 | ||
579 | zbase = strchr (l->string, '@'); | |
580 | if (zbase != NULL | |
581 | && strcmp (zbase + 1, bfd_asymbol_name (sym)) == 0) | |
582 | { | |
583 | /* We must add a symbol with this prefix. */ | |
584 | if (newsymcount >= newsymalloc) | |
585 | { | |
586 | newsymalloc += 10; | |
587 | newsyms = ((asymbol **) | |
588 | xrealloc ((PTR) newsyms, | |
589 | (newsymalloc | |
590 | * sizeof (asymbol *)))); | |
591 | } | |
592 | newsyms[newsymcount] = | |
593 | (asymbol *) xmalloc (sizeof (asymbol)); | |
594 | *newsyms[newsymcount] = *sym; | |
595 | newsyms[newsymcount]->name = l->string; | |
596 | ++newsymcount; | |
597 | } | |
598 | } | |
599 | } | |
600 | if (! found_simple) | |
601 | { | |
602 | /* The unmodified symbol is actually not exported at | |
603 | all. */ | |
604 | sym->flags &=~ (BSF_GLOBAL | BSF_EXPORT); | |
605 | sym->flags |= BSF_LOCAL; | |
606 | } | |
607 | } | |
608 | ||
609 | /* If it's an undefined symbol, see if it's on the import list. | |
610 | Change the prefix if necessary. */ | |
611 | if (bfd_is_und_section (bfd_get_section (sym))) | |
612 | { | |
613 | register struct string_list *l; | |
614 | ||
615 | for (l = import_symbols; l != NULL; l = l->next) | |
616 | { | |
617 | if (strcmp (l->string, bfd_asymbol_name (sym)) == 0) | |
618 | break; | |
619 | else | |
620 | { | |
621 | char *zbase; | |
622 | ||
623 | zbase = strchr (l->string, '@'); | |
624 | if (zbase != NULL | |
625 | && strcmp (zbase + 1, bfd_asymbol_name (sym)) == 0) | |
626 | { | |
627 | sym->name = l->string; | |
628 | break; | |
629 | } | |
630 | } | |
631 | } | |
632 | if (l == NULL) | |
37cc8ec1 AM |
633 | non_fatal (_("warning: symbol %s imported but not in import list"), |
634 | bfd_asymbol_name (sym)); | |
252b5132 RH |
635 | } |
636 | ||
637 | /* See if it's one of the special named symbols. */ | |
638 | if ((sym->flags & BSF_DEBUGGING) == 0) | |
639 | { | |
640 | bfd_vma val; | |
641 | ||
642 | /* FIXME: If these symbols are not in the .text section, we | |
643 | add the .text section size to the value. This may not be | |
644 | correct for all targets. I'm not sure how this should | |
645 | really be handled. */ | |
646 | if (strcmp (bfd_asymbol_name (sym), start_procedure) == 0) | |
647 | { | |
648 | val = bfd_asymbol_value (sym); | |
649 | if (bfd_get_section (sym) == data_sec | |
650 | && text_sec != (asection *) NULL) | |
651 | val += bfd_section_size (outbfd, text_sec); | |
652 | if (! bfd_set_start_address (outbfd, val)) | |
653 | bfd_fatal (_("set start address")); | |
654 | gotstart = true; | |
655 | } | |
656 | if (strcmp (bfd_asymbol_name (sym), exit_procedure) == 0) | |
657 | { | |
658 | val = bfd_asymbol_value (sym); | |
659 | if (bfd_get_section (sym) == data_sec | |
660 | && text_sec != (asection *) NULL) | |
661 | val += bfd_section_size (outbfd, text_sec); | |
662 | nlm_fixed_header (outbfd)->exitProcedureOffset = val; | |
663 | gotexit = true; | |
664 | } | |
665 | if (check_procedure != NULL | |
666 | && strcmp (bfd_asymbol_name (sym), check_procedure) == 0) | |
667 | { | |
668 | val = bfd_asymbol_value (sym); | |
669 | if (bfd_get_section (sym) == data_sec | |
670 | && text_sec != (asection *) NULL) | |
671 | val += bfd_section_size (outbfd, text_sec); | |
672 | nlm_fixed_header (outbfd)->checkUnloadProcedureOffset = val; | |
673 | gotcheck = true; | |
674 | } | |
675 | } | |
676 | } | |
677 | ||
678 | if (endsym != NULL) | |
679 | { | |
680 | endsym->value = bfd_get_section_size_before_reloc (bss_sec); | |
681 | ||
682 | /* FIXME: If any relocs referring to _end use inplace addends, | |
683 | then I think they need to be updated. This is handled by | |
684 | i386_mangle_relocs. Is it needed for any other object | |
685 | formats? */ | |
686 | } | |
687 | ||
688 | if (newsymcount == 0) | |
689 | outsyms = symbols; | |
690 | else | |
691 | { | |
692 | outsyms = (asymbol **) xmalloc ((symcount + newsymcount + 1) | |
693 | * sizeof (asymbol *)); | |
694 | memcpy (outsyms, symbols, symcount * sizeof (asymbol *)); | |
695 | memcpy (outsyms + symcount, newsyms, newsymcount * sizeof (asymbol *)); | |
696 | outsyms[symcount + newsymcount] = NULL; | |
697 | } | |
698 | ||
699 | bfd_set_symtab (outbfd, outsyms, symcount + newsymcount); | |
700 | ||
701 | if (! gotstart) | |
37cc8ec1 | 702 | non_fatal (_("warning: START procedure %s not defined"), start_procedure); |
252b5132 | 703 | if (! gotexit) |
37cc8ec1 AM |
704 | non_fatal (_("warning: EXIT procedure %s not defined"), exit_procedure); |
705 | if (check_procedure != NULL && ! gotcheck) | |
706 | non_fatal (_("warning: CHECK procedure %s not defined"), check_procedure); | |
252b5132 RH |
707 | |
708 | /* Add additional sections required for the header information. */ | |
709 | if (custom_file != NULL) | |
710 | { | |
711 | custom_data = fopen (custom_file, "r"); | |
712 | if (custom_data == NULL | |
713 | || fstat (fileno (custom_data), &st) < 0) | |
714 | { | |
715 | fprintf (stderr, "%s:%s: %s\n", program_name, custom_file, | |
716 | strerror (errno)); | |
717 | custom_file = NULL; | |
718 | } | |
719 | else | |
720 | { | |
721 | custom_size = st.st_size; | |
722 | custom_section = bfd_make_section (outbfd, ".nlmcustom"); | |
723 | if (custom_section == NULL | |
724 | || ! bfd_set_section_size (outbfd, custom_section, custom_size) | |
725 | || ! bfd_set_section_flags (outbfd, custom_section, | |
726 | SEC_HAS_CONTENTS)) | |
727 | bfd_fatal (_("custom section")); | |
728 | } | |
729 | } | |
730 | if (help_file != NULL) | |
731 | { | |
732 | help_data = fopen (help_file, "r"); | |
733 | if (help_data == NULL | |
734 | || fstat (fileno (help_data), &st) < 0) | |
735 | { | |
736 | fprintf (stderr, "%s:%s: %s\n", program_name, help_file, | |
737 | strerror (errno)); | |
738 | help_file = NULL; | |
739 | } | |
740 | else | |
741 | { | |
742 | help_size = st.st_size; | |
743 | help_section = bfd_make_section (outbfd, ".nlmhelp"); | |
744 | if (help_section == NULL | |
745 | || ! bfd_set_section_size (outbfd, help_section, help_size) | |
746 | || ! bfd_set_section_flags (outbfd, help_section, | |
747 | SEC_HAS_CONTENTS)) | |
748 | bfd_fatal (_("help section")); | |
749 | strncpy (nlm_extended_header (outbfd)->stamp, "MeSsAgEs", 8); | |
750 | } | |
751 | } | |
752 | if (message_file != NULL) | |
753 | { | |
754 | message_data = fopen (message_file, "r"); | |
755 | if (message_data == NULL | |
756 | || fstat (fileno (message_data), &st) < 0) | |
757 | { | |
758 | fprintf (stderr, "%s:%s: %s\n", program_name, message_file, | |
759 | strerror (errno)); | |
760 | message_file = NULL; | |
761 | } | |
762 | else | |
763 | { | |
764 | message_size = st.st_size; | |
765 | message_section = bfd_make_section (outbfd, ".nlmmessages"); | |
766 | if (message_section == NULL | |
767 | || ! bfd_set_section_size (outbfd, message_section, message_size) | |
768 | || ! bfd_set_section_flags (outbfd, message_section, | |
769 | SEC_HAS_CONTENTS)) | |
770 | bfd_fatal (_("message section")); | |
771 | strncpy (nlm_extended_header (outbfd)->stamp, "MeSsAgEs", 8); | |
772 | } | |
773 | } | |
774 | if (modules != NULL) | |
775 | { | |
776 | struct string_list *l; | |
777 | ||
778 | module_size = 0; | |
779 | for (l = modules; l != NULL; l = l->next) | |
780 | module_size += strlen (l->string) + 1; | |
781 | module_section = bfd_make_section (outbfd, ".nlmmodules"); | |
782 | if (module_section == NULL | |
783 | || ! bfd_set_section_size (outbfd, module_section, module_size) | |
784 | || ! bfd_set_section_flags (outbfd, module_section, | |
785 | SEC_HAS_CONTENTS)) | |
786 | bfd_fatal (_("module section")); | |
787 | } | |
788 | if (rpc_file != NULL) | |
789 | { | |
790 | rpc_data = fopen (rpc_file, "r"); | |
791 | if (rpc_data == NULL | |
792 | || fstat (fileno (rpc_data), &st) < 0) | |
793 | { | |
794 | fprintf (stderr, "%s:%s: %s\n", program_name, rpc_file, | |
795 | strerror (errno)); | |
796 | rpc_file = NULL; | |
797 | } | |
798 | else | |
799 | { | |
800 | rpc_size = st.st_size; | |
801 | rpc_section = bfd_make_section (outbfd, ".nlmrpc"); | |
802 | if (rpc_section == NULL | |
803 | || ! bfd_set_section_size (outbfd, rpc_section, rpc_size) | |
804 | || ! bfd_set_section_flags (outbfd, rpc_section, | |
805 | SEC_HAS_CONTENTS)) | |
806 | bfd_fatal (_("rpc section")); | |
807 | strncpy (nlm_extended_header (outbfd)->stamp, "MeSsAgEs", 8); | |
808 | } | |
809 | } | |
810 | if (sharelib_file != NULL) | |
811 | { | |
812 | sharedbfd = bfd_openr (sharelib_file, output_format); | |
813 | if (sharedbfd == NULL | |
814 | || ! bfd_check_format (sharedbfd, bfd_object)) | |
815 | { | |
816 | fprintf (stderr, "%s:%s: %s\n", program_name, sharelib_file, | |
817 | bfd_errmsg (bfd_get_error ())); | |
818 | sharelib_file = NULL; | |
819 | } | |
820 | else | |
821 | { | |
822 | sharedhdr = *nlm_fixed_header (sharedbfd); | |
823 | bfd_close (sharedbfd); | |
824 | shared_data = fopen (sharelib_file, "r"); | |
825 | if (shared_data == NULL | |
826 | || (fstat (fileno (shared_data), &st) < 0)) | |
827 | { | |
828 | fprintf (stderr, "%s:%s: %s\n", program_name, sharelib_file, | |
829 | strerror (errno)); | |
830 | sharelib_file = NULL; | |
831 | } | |
832 | else | |
833 | { | |
834 | /* If we were clever, we could just copy out the | |
835 | sections of the shared library which we actually | |
836 | need. However, we would have to figure out the sizes | |
837 | of the external and public information, and that can | |
838 | not be done without reading through them. */ | |
839 | if (sharedhdr.uninitializedDataSize > 0) | |
840 | { | |
841 | /* There is no place to record this information. */ | |
37cc8ec1 AM |
842 | non_fatal (_("%s: warning: shared libraries can not have uninitialized data"), |
843 | sharelib_file); | |
252b5132 RH |
844 | } |
845 | shared_offset = st.st_size; | |
846 | if (shared_offset > (size_t) sharedhdr.codeImageOffset) | |
847 | shared_offset = sharedhdr.codeImageOffset; | |
848 | if (shared_offset > (size_t) sharedhdr.dataImageOffset) | |
849 | shared_offset = sharedhdr.dataImageOffset; | |
850 | if (shared_offset > (size_t) sharedhdr.relocationFixupOffset) | |
851 | shared_offset = sharedhdr.relocationFixupOffset; | |
852 | if (shared_offset > (size_t) sharedhdr.externalReferencesOffset) | |
853 | shared_offset = sharedhdr.externalReferencesOffset; | |
854 | if (shared_offset > (size_t) sharedhdr.publicsOffset) | |
855 | shared_offset = sharedhdr.publicsOffset; | |
856 | shared_size = st.st_size - shared_offset; | |
857 | shared_section = bfd_make_section (outbfd, ".nlmshared"); | |
858 | if (shared_section == NULL | |
859 | || ! bfd_set_section_size (outbfd, shared_section, | |
860 | shared_size) | |
861 | || ! bfd_set_section_flags (outbfd, shared_section, | |
862 | SEC_HAS_CONTENTS)) | |
863 | bfd_fatal (_("shared section")); | |
864 | strncpy (nlm_extended_header (outbfd)->stamp, "MeSsAgEs", 8); | |
865 | } | |
866 | } | |
867 | } | |
868 | ||
869 | /* Check whether a version was given. */ | |
870 | if (strncmp (version_hdr->stamp, "VeRsIoN#", 8) != 0) | |
37cc8ec1 | 871 | non_fatal (_("warning: No version number given")); |
252b5132 RH |
872 | |
873 | /* At least for now, always create an extended header, because that | |
874 | is what NLMLINK does. */ | |
875 | strncpy (nlm_extended_header (outbfd)->stamp, "MeSsAgEs", 8); | |
876 | ||
877 | strncpy (nlm_cygnus_ext_header (outbfd)->stamp, "CyGnUsEx", 8); | |
878 | ||
879 | /* If the date was not given, force it in. */ | |
880 | if (nlm_version_header (outbfd)->month == 0 | |
881 | && nlm_version_header (outbfd)->day == 0 | |
882 | && nlm_version_header (outbfd)->year == 0) | |
883 | { | |
884 | time_t now; | |
885 | struct tm *ptm; | |
886 | ||
887 | time (&now); | |
888 | ptm = localtime (&now); | |
889 | nlm_version_header (outbfd)->month = ptm->tm_mon + 1; | |
890 | nlm_version_header (outbfd)->day = ptm->tm_mday; | |
891 | nlm_version_header (outbfd)->year = ptm->tm_year + 1900; | |
892 | strncpy (version_hdr->stamp, "VeRsIoN#", 8); | |
893 | } | |
894 | ||
895 | #ifdef NLMCONV_POWERPC | |
896 | /* Resolve the stubs we build for PowerPC NetWare. */ | |
897 | if (bfd_get_arch (inbfd) == bfd_arch_powerpc) | |
898 | powerpc_resolve_stubs (inbfd, outbfd); | |
899 | #endif | |
900 | ||
901 | /* Copy over the sections. */ | |
902 | bfd_map_over_sections (inbfd, copy_sections, (PTR) outbfd); | |
903 | ||
904 | /* Finish up the header information. */ | |
905 | if (custom_file != NULL) | |
906 | { | |
907 | PTR data; | |
908 | ||
909 | data = xmalloc (custom_size); | |
910 | if (fread (data, 1, custom_size, custom_data) != custom_size) | |
37cc8ec1 | 911 | non_fatal (_("%s: read: %s"), custom_file, strerror (errno)); |
252b5132 RH |
912 | else |
913 | { | |
914 | if (! bfd_set_section_contents (outbfd, custom_section, data, | |
915 | (file_ptr) 0, custom_size)) | |
916 | bfd_fatal (_("custom section")); | |
917 | nlm_fixed_header (outbfd)->customDataOffset = | |
918 | custom_section->filepos; | |
919 | nlm_fixed_header (outbfd)->customDataSize = custom_size; | |
920 | } | |
921 | free (data); | |
922 | } | |
923 | if (! debug_info) | |
924 | { | |
925 | /* As a special hack, the backend recognizes a debugInfoOffset | |
926 | of -1 to mean that it should not output any debugging | |
927 | information. This can not be handling by fiddling with the | |
928 | symbol table because exported symbols appear in both the | |
929 | export information and the debugging information. */ | |
930 | nlm_fixed_header (outbfd)->debugInfoOffset = (file_ptr) -1; | |
931 | } | |
932 | if (map_file != NULL) | |
37cc8ec1 | 933 | non_fatal (_("warning: MAP and FULLMAP are not supported; try ld -M")); |
252b5132 RH |
934 | if (help_file != NULL) |
935 | { | |
936 | PTR data; | |
937 | ||
938 | data = xmalloc (help_size); | |
939 | if (fread (data, 1, help_size, help_data) != help_size) | |
37cc8ec1 | 940 | non_fatal (_("%s: read: %s"), help_file, strerror (errno)); |
252b5132 RH |
941 | else |
942 | { | |
943 | if (! bfd_set_section_contents (outbfd, help_section, data, | |
944 | (file_ptr) 0, help_size)) | |
945 | bfd_fatal (_("help section")); | |
946 | nlm_extended_header (outbfd)->helpFileOffset = | |
947 | help_section->filepos; | |
948 | nlm_extended_header (outbfd)->helpFileLength = help_size; | |
949 | } | |
950 | free (data); | |
951 | } | |
952 | if (message_file != NULL) | |
953 | { | |
954 | PTR data; | |
955 | ||
956 | data = xmalloc (message_size); | |
957 | if (fread (data, 1, message_size, message_data) != message_size) | |
37cc8ec1 | 958 | non_fatal (_("%s: read: %s"), message_file, strerror (errno)); |
252b5132 RH |
959 | else |
960 | { | |
961 | if (! bfd_set_section_contents (outbfd, message_section, data, | |
962 | (file_ptr) 0, message_size)) | |
963 | bfd_fatal (_("message section")); | |
964 | nlm_extended_header (outbfd)->messageFileOffset = | |
965 | message_section->filepos; | |
966 | nlm_extended_header (outbfd)->messageFileLength = message_size; | |
967 | ||
968 | /* FIXME: Are these offsets correct on all platforms? Are | |
969 | they 32 bits on all platforms? What endianness? */ | |
970 | nlm_extended_header (outbfd)->languageID = | |
971 | bfd_h_get_32 (outbfd, (bfd_byte *) data + 106); | |
972 | nlm_extended_header (outbfd)->messageCount = | |
973 | bfd_h_get_32 (outbfd, (bfd_byte *) data + 110); | |
974 | } | |
975 | free (data); | |
976 | } | |
977 | if (modules != NULL) | |
978 | { | |
979 | PTR data; | |
980 | unsigned char *set; | |
981 | struct string_list *l; | |
982 | bfd_size_type c; | |
983 | ||
984 | data = xmalloc (module_size); | |
985 | c = 0; | |
986 | set = (unsigned char *) data; | |
987 | for (l = modules; l != NULL; l = l->next) | |
988 | { | |
989 | *set = strlen (l->string); | |
990 | strncpy (set + 1, l->string, *set); | |
991 | set += *set + 1; | |
992 | ++c; | |
993 | } | |
994 | if (! bfd_set_section_contents (outbfd, module_section, data, | |
995 | (file_ptr) 0, module_size)) | |
996 | bfd_fatal (_("module section")); | |
997 | nlm_fixed_header (outbfd)->moduleDependencyOffset = | |
998 | module_section->filepos; | |
999 | nlm_fixed_header (outbfd)->numberOfModuleDependencies = c; | |
1000 | } | |
1001 | if (rpc_file != NULL) | |
1002 | { | |
1003 | PTR data; | |
1004 | ||
1005 | data = xmalloc (rpc_size); | |
1006 | if (fread (data, 1, rpc_size, rpc_data) != rpc_size) | |
37cc8ec1 | 1007 | non_fatal (_("%s: read: %s"), rpc_file, strerror (errno)); |
252b5132 RH |
1008 | else |
1009 | { | |
1010 | if (! bfd_set_section_contents (outbfd, rpc_section, data, | |
1011 | (file_ptr) 0, rpc_size)) | |
1012 | bfd_fatal (_("rpc section")); | |
1013 | nlm_extended_header (outbfd)->RPCDataOffset = | |
1014 | rpc_section->filepos; | |
1015 | nlm_extended_header (outbfd)->RPCDataLength = rpc_size; | |
1016 | } | |
1017 | free (data); | |
1018 | } | |
1019 | if (sharelib_file != NULL) | |
1020 | { | |
1021 | PTR data; | |
1022 | ||
1023 | data = xmalloc (shared_size); | |
1024 | if (fseek (shared_data, shared_offset, SEEK_SET) != 0 | |
1025 | || fread (data, 1, shared_size, shared_data) != shared_size) | |
37cc8ec1 | 1026 | non_fatal (_("%s: read: %s"), sharelib_file, strerror (errno)); |
252b5132 RH |
1027 | else |
1028 | { | |
1029 | if (! bfd_set_section_contents (outbfd, shared_section, data, | |
1030 | (file_ptr) 0, shared_size)) | |
1031 | bfd_fatal (_("shared section")); | |
1032 | } | |
1033 | nlm_extended_header (outbfd)->sharedCodeOffset = | |
1034 | sharedhdr.codeImageOffset - shared_offset + shared_section->filepos; | |
1035 | nlm_extended_header (outbfd)->sharedCodeLength = | |
1036 | sharedhdr.codeImageSize; | |
1037 | nlm_extended_header (outbfd)->sharedDataOffset = | |
1038 | sharedhdr.dataImageOffset - shared_offset + shared_section->filepos; | |
1039 | nlm_extended_header (outbfd)->sharedDataLength = | |
1040 | sharedhdr.dataImageSize; | |
1041 | nlm_extended_header (outbfd)->sharedRelocationFixupOffset = | |
1042 | (sharedhdr.relocationFixupOffset | |
1043 | - shared_offset | |
1044 | + shared_section->filepos); | |
1045 | nlm_extended_header (outbfd)->sharedRelocationFixupCount = | |
1046 | sharedhdr.numberOfRelocationFixups; | |
1047 | nlm_extended_header (outbfd)->sharedExternalReferenceOffset = | |
1048 | (sharedhdr.externalReferencesOffset | |
1049 | - shared_offset | |
1050 | + shared_section->filepos); | |
1051 | nlm_extended_header (outbfd)->sharedExternalReferenceCount = | |
1052 | sharedhdr.numberOfExternalReferences; | |
1053 | nlm_extended_header (outbfd)->sharedPublicsOffset = | |
1054 | sharedhdr.publicsOffset - shared_offset + shared_section->filepos; | |
1055 | nlm_extended_header (outbfd)->sharedPublicsCount = | |
1056 | sharedhdr.numberOfPublics; | |
1057 | nlm_extended_header (outbfd)->sharedDebugRecordOffset = | |
1058 | sharedhdr.debugInfoOffset - shared_offset + shared_section->filepos; | |
1059 | nlm_extended_header (outbfd)->sharedDebugRecordCount = | |
1060 | sharedhdr.numberOfDebugRecords; | |
1061 | nlm_extended_header (outbfd)->SharedInitializationOffset = | |
1062 | sharedhdr.codeStartOffset; | |
1063 | nlm_extended_header (outbfd)->SharedExitProcedureOffset = | |
1064 | sharedhdr.exitProcedureOffset; | |
1065 | free (data); | |
1066 | } | |
1067 | len = strlen (output_file); | |
1068 | if (len > NLM_MODULE_NAME_SIZE - 2) | |
1069 | len = NLM_MODULE_NAME_SIZE - 2; | |
1070 | nlm_fixed_header (outbfd)->moduleName[0] = len; | |
1071 | ||
1072 | strncpy (nlm_fixed_header (outbfd)->moduleName + 1, output_file, | |
1073 | NLM_MODULE_NAME_SIZE - 2); | |
1074 | nlm_fixed_header (outbfd)->moduleName[NLM_MODULE_NAME_SIZE - 1] = '\0'; | |
1075 | for (modname = nlm_fixed_header (outbfd)->moduleName; | |
1076 | *modname != '\0'; | |
1077 | modname++) | |
3882b010 | 1078 | *modname = TOUPPER (*modname); |
252b5132 RH |
1079 | |
1080 | strncpy (nlm_variable_header (outbfd)->oldThreadName, " LONG", | |
1081 | NLM_OLD_THREAD_NAME_LENGTH); | |
1082 | ||
1083 | nlm_cygnus_ext_header (outbfd)->offset = secsec->filepos; | |
1084 | nlm_cygnus_ext_header (outbfd)->length = bfd_section_size (outbfd, secsec); | |
1085 | ||
1086 | if (! bfd_close (outbfd)) | |
1087 | bfd_fatal (output_file); | |
1088 | if (! bfd_close (inbfd)) | |
1089 | bfd_fatal (input_file); | |
1090 | ||
1091 | if (unlink_on_exit != NULL) | |
1092 | unlink (unlink_on_exit); | |
1093 | ||
1094 | return 0; | |
1095 | } | |
1096 | \f | |
252b5132 RH |
1097 | |
1098 | /* Show a usage message and exit. */ | |
1099 | ||
1100 | static void | |
1101 | show_usage (file, status) | |
1102 | FILE *file; | |
1103 | int status; | |
1104 | { | |
8b53311e NC |
1105 | fprintf (file, _("Usage: %s [option(s)] [in-file [out-file]]\n"), program_name); |
1106 | fprintf (file, _(" Convert an object file into a NetWare Loadable Module\n")); | |
1107 | fprintf (file, _(" The options are:\n\ | |
1108 | -I --input-target=<bfdname> Set the input binary file format\n\ | |
1109 | -O --output-target=<bfdname> Set the output binary file format\n\ | |
1110 | -T --header-file=<file> Read <file> for NLM header information\n\ | |
1111 | -l --linker=<linker> Use <linker> for any linking\n\ | |
1112 | -d --debug Display on stderr the linker command line\n\ | |
1113 | -h --help Display this information\n\ | |
1114 | -v --version Display the program's version\n\ | |
1115 | ")); | |
252b5132 | 1116 | if (status == 0) |
8ad3436c | 1117 | fprintf (file, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 RH |
1118 | exit (status); |
1119 | } | |
1120 | \f | |
1121 | /* Select the output format based on the input architecture, machine, | |
1122 | and endianness. This chooses the appropriate NLM target. */ | |
1123 | ||
1124 | static const char * | |
1125 | select_output_format (arch, mach, bigendian) | |
1126 | enum bfd_architecture arch; | |
1127 | unsigned long mach; | |
1d50f91e | 1128 | boolean bigendian ATTRIBUTE_UNUSED; |
252b5132 RH |
1129 | { |
1130 | switch (arch) | |
1131 | { | |
1132 | #ifdef NLMCONV_I386 | |
1133 | case bfd_arch_i386: | |
1134 | return "nlm32-i386"; | |
1135 | #endif | |
1136 | #ifdef NLMCONV_SPARC | |
1137 | case bfd_arch_sparc: | |
1138 | return "nlm32-sparc"; | |
1139 | #endif | |
1140 | #ifdef NLMCONV_ALPHA | |
1141 | case bfd_arch_alpha: | |
1142 | return "nlm32-alpha"; | |
1143 | #endif | |
1144 | #ifdef NLMCONV_POWERPC | |
1145 | case bfd_arch_powerpc: | |
1146 | return "nlm32-powerpc"; | |
1147 | #endif | |
1148 | default: | |
37cc8ec1 AM |
1149 | fatal (_("support not compiled in for %s"), |
1150 | bfd_printable_arch_mach (arch, mach)); | |
252b5132 RH |
1151 | } |
1152 | /*NOTREACHED*/ | |
1153 | } | |
1154 | \f | |
1155 | /* The BFD sections are copied in two passes. This function selects | |
1156 | the output section for each input section, and sets up the section | |
1157 | name, size, etc. */ | |
1158 | ||
1159 | static void | |
1160 | setup_sections (inbfd, insec, data_ptr) | |
1d50f91e | 1161 | bfd *inbfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1162 | asection *insec; |
1163 | PTR data_ptr; | |
1164 | { | |
1165 | bfd *outbfd = (bfd *) data_ptr; | |
1166 | flagword f; | |
1167 | const char *outname; | |
1168 | asection *outsec; | |
1169 | bfd_vma offset; | |
1170 | bfd_size_type align; | |
1171 | bfd_size_type add; | |
1172 | bfd_size_type secsecsize; | |
1173 | ||
1174 | f = bfd_get_section_flags (inbfd, insec); | |
1175 | if (f & SEC_CODE) | |
1176 | outname = NLM_CODE_NAME; | |
1177 | else if ((f & SEC_LOAD) && (f & SEC_HAS_CONTENTS)) | |
1178 | outname = NLM_INITIALIZED_DATA_NAME; | |
1179 | else if (f & SEC_ALLOC) | |
1180 | outname = NLM_UNINITIALIZED_DATA_NAME; | |
1181 | else | |
1182 | outname = bfd_section_name (inbfd, insec); | |
1183 | ||
1184 | outsec = bfd_get_section_by_name (outbfd, outname); | |
1185 | if (outsec == NULL) | |
1186 | { | |
1187 | outsec = bfd_make_section (outbfd, outname); | |
1188 | if (outsec == NULL) | |
1189 | bfd_fatal (_("make section")); | |
1190 | } | |
1191 | ||
1192 | insec->output_section = outsec; | |
1193 | ||
1194 | offset = bfd_section_size (outbfd, outsec); | |
1195 | align = 1 << bfd_section_alignment (inbfd, insec); | |
1196 | add = ((offset + align - 1) &~ (align - 1)) - offset; | |
1197 | insec->output_offset = offset + add; | |
1198 | ||
1199 | if (! bfd_set_section_size (outbfd, outsec, | |
1200 | (bfd_section_size (outbfd, outsec) | |
1201 | + bfd_section_size (inbfd, insec) | |
1202 | + add))) | |
1203 | bfd_fatal (_("set section size")); | |
1204 | ||
1205 | if ((bfd_section_alignment (inbfd, insec) | |
1206 | > bfd_section_alignment (outbfd, outsec)) | |
1207 | && ! bfd_set_section_alignment (outbfd, outsec, | |
1208 | bfd_section_alignment (inbfd, insec))) | |
1209 | bfd_fatal (_("set section alignment")); | |
1210 | ||
1211 | if (! bfd_set_section_flags (outbfd, outsec, | |
1212 | f | bfd_get_section_flags (outbfd, outsec))) | |
1213 | bfd_fatal (_("set section flags")); | |
1214 | ||
1215 | bfd_set_reloc (outbfd, outsec, (arelent **) NULL, 0); | |
1216 | ||
1217 | /* For each input section we allocate space for an entry in | |
1218 | .nlmsections. */ | |
1219 | secsecsize = bfd_section_size (outbfd, secsec); | |
1220 | secsecsize += strlen (bfd_section_name (inbfd, insec)) + 1; | |
1221 | secsecsize = (secsecsize + 3) &~ 3; | |
1222 | secsecsize += 8; | |
1223 | if (! bfd_set_section_size (outbfd, secsec, secsecsize)) | |
1224 | bfd_fatal (_("set .nlmsections size")); | |
1225 | } | |
1226 | ||
1227 | /* Copy the section contents. */ | |
1228 | ||
1229 | static void | |
1230 | copy_sections (inbfd, insec, data_ptr) | |
1231 | bfd *inbfd; | |
1232 | asection *insec; | |
1233 | PTR data_ptr; | |
1234 | { | |
1235 | static bfd_size_type secsecoff = 0; | |
1236 | bfd *outbfd = (bfd *) data_ptr; | |
1237 | const char *inname; | |
1238 | asection *outsec; | |
1239 | bfd_size_type size; | |
1240 | PTR contents; | |
1241 | long reloc_size; | |
1242 | bfd_byte buf[4]; | |
1243 | bfd_size_type add; | |
1244 | ||
1245 | inname = bfd_section_name (inbfd, insec); | |
1246 | ||
1247 | outsec = insec->output_section; | |
1248 | assert (outsec != NULL); | |
1249 | ||
1250 | size = bfd_get_section_size_before_reloc (insec); | |
1251 | ||
1252 | /* FIXME: Why are these necessary? */ | |
1253 | insec->_cooked_size = insec->_raw_size; | |
1254 | insec->reloc_done = true; | |
1255 | ||
1256 | if ((bfd_get_section_flags (inbfd, insec) & SEC_HAS_CONTENTS) == 0) | |
1257 | contents = NULL; | |
1258 | else | |
1259 | { | |
1260 | contents = xmalloc (size); | |
1261 | if (! bfd_get_section_contents (inbfd, insec, contents, | |
1262 | (file_ptr) 0, size)) | |
1263 | bfd_fatal (bfd_get_filename (inbfd)); | |
1264 | } | |
1265 | ||
1266 | reloc_size = bfd_get_reloc_upper_bound (inbfd, insec); | |
1267 | if (reloc_size < 0) | |
1268 | bfd_fatal (bfd_get_filename (inbfd)); | |
1269 | if (reloc_size != 0) | |
1270 | { | |
1271 | arelent **relocs; | |
1272 | long reloc_count; | |
1273 | ||
1274 | relocs = (arelent **) xmalloc (reloc_size); | |
1275 | reloc_count = bfd_canonicalize_reloc (inbfd, insec, relocs, symbols); | |
1276 | if (reloc_count < 0) | |
1277 | bfd_fatal (bfd_get_filename (inbfd)); | |
1278 | mangle_relocs (outbfd, insec, &relocs, &reloc_count, (char *) contents, | |
1279 | size); | |
1280 | ||
1281 | /* FIXME: refers to internal BFD fields. */ | |
1282 | if (outsec->orelocation != (arelent **) NULL) | |
1283 | { | |
1284 | bfd_size_type total_count; | |
1285 | arelent **combined; | |
1286 | ||
1287 | total_count = reloc_count + outsec->reloc_count; | |
1288 | combined = (arelent **) xmalloc (total_count * sizeof (arelent *)); | |
1289 | memcpy (combined, outsec->orelocation, | |
1290 | outsec->reloc_count * sizeof (arelent *)); | |
1291 | memcpy (combined + outsec->reloc_count, relocs, | |
1292 | (size_t) (reloc_count * sizeof (arelent *))); | |
1293 | free (outsec->orelocation); | |
1294 | reloc_count = total_count; | |
1295 | relocs = combined; | |
1296 | } | |
1297 | ||
1298 | bfd_set_reloc (outbfd, outsec, relocs, reloc_count); | |
1299 | } | |
1300 | ||
1301 | if (contents != NULL) | |
1302 | { | |
1303 | if (! bfd_set_section_contents (outbfd, outsec, contents, | |
1304 | insec->output_offset, size)) | |
1305 | bfd_fatal (bfd_get_filename (outbfd)); | |
1306 | free (contents); | |
1307 | } | |
1308 | ||
1309 | /* Add this section to .nlmsections. */ | |
1310 | if (! bfd_set_section_contents (outbfd, secsec, (PTR) inname, secsecoff, | |
1311 | strlen (inname) + 1)) | |
1312 | bfd_fatal (_("set .nlmsection contents")); | |
1313 | secsecoff += strlen (inname) + 1; | |
1314 | ||
1315 | add = ((secsecoff + 3) &~ 3) - secsecoff; | |
1316 | if (add != 0) | |
1317 | { | |
1318 | bfd_h_put_32 (outbfd, (bfd_vma) 0, buf); | |
1319 | if (! bfd_set_section_contents (outbfd, secsec, buf, secsecoff, add)) | |
1320 | bfd_fatal (_("set .nlmsection contents")); | |
1321 | secsecoff += add; | |
1322 | } | |
1323 | ||
1324 | if (contents != NULL) | |
1325 | bfd_h_put_32 (outbfd, (bfd_vma) outsec->filepos, buf); | |
1326 | else | |
1327 | bfd_h_put_32 (outbfd, (bfd_vma) 0, buf); | |
1328 | if (! bfd_set_section_contents (outbfd, secsec, buf, secsecoff, 4)) | |
1329 | bfd_fatal (_("set .nlmsection contents")); | |
1330 | secsecoff += 4; | |
1331 | ||
1332 | bfd_h_put_32 (outbfd, (bfd_vma) size, buf); | |
1333 | if (! bfd_set_section_contents (outbfd, secsec, buf, secsecoff, 4)) | |
1334 | bfd_fatal (_("set .nlmsection contents")); | |
1335 | secsecoff += 4; | |
1336 | } | |
1337 | ||
1338 | /* Some, perhaps all, NetWare targets require changing the relocs used | |
1339 | by the input formats. */ | |
1340 | ||
1341 | static void | |
1342 | mangle_relocs (outbfd, insec, relocs_ptr, reloc_count_ptr, contents, | |
1343 | contents_size) | |
1344 | bfd *outbfd; | |
1345 | asection *insec; | |
1346 | arelent ***relocs_ptr; | |
1347 | long *reloc_count_ptr; | |
1348 | char *contents; | |
1349 | bfd_size_type contents_size; | |
1350 | { | |
1351 | switch (bfd_get_arch (outbfd)) | |
1352 | { | |
1353 | #ifdef NLMCONV_I386 | |
1354 | case bfd_arch_i386: | |
1355 | i386_mangle_relocs (outbfd, insec, relocs_ptr, reloc_count_ptr, | |
1356 | contents, contents_size); | |
1357 | break; | |
1358 | #endif | |
1359 | #ifdef NLMCONV_ALPHA | |
1360 | case bfd_arch_alpha: | |
1361 | alpha_mangle_relocs (outbfd, insec, relocs_ptr, reloc_count_ptr, | |
1362 | contents, contents_size); | |
1363 | break; | |
1364 | #endif | |
1365 | #ifdef NLMCONV_POWERPC | |
1366 | case bfd_arch_powerpc: | |
1367 | powerpc_mangle_relocs (outbfd, insec, relocs_ptr, reloc_count_ptr, | |
1368 | contents, contents_size); | |
1369 | break; | |
1370 | #endif | |
1371 | default: | |
1372 | default_mangle_relocs (outbfd, insec, relocs_ptr, reloc_count_ptr, | |
1373 | contents, contents_size); | |
1374 | break; | |
1375 | } | |
1376 | } | |
1377 | ||
1378 | /* By default all we need to do for relocs is change the address by | |
1379 | the output_offset. */ | |
1380 | ||
1381 | /*ARGSUSED*/ | |
1382 | static void | |
1383 | default_mangle_relocs (outbfd, insec, relocs_ptr, reloc_count_ptr, contents, | |
1384 | contents_size) | |
1d50f91e | 1385 | bfd *outbfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1386 | asection *insec; |
1387 | arelent ***relocs_ptr; | |
1388 | long *reloc_count_ptr; | |
1d50f91e AJ |
1389 | char *contents ATTRIBUTE_UNUSED; |
1390 | bfd_size_type contents_size ATTRIBUTE_UNUSED; | |
252b5132 RH |
1391 | { |
1392 | if (insec->output_offset != 0) | |
1393 | { | |
1394 | long reloc_count; | |
1395 | register arelent **relocs; | |
1396 | register long i; | |
1397 | ||
1398 | reloc_count = *reloc_count_ptr; | |
1399 | relocs = *relocs_ptr; | |
1400 | for (i = 0; i < reloc_count; i++, relocs++) | |
1401 | (*relocs)->address += insec->output_offset; | |
1402 | } | |
1403 | } | |
1404 | \f | |
1405 | #ifdef NLMCONV_I386 | |
1406 | ||
1407 | /* NetWare on the i386 supports a restricted set of relocs, which are | |
1408 | different from those used on other i386 targets. This routine | |
1409 | converts the relocs. It is, obviously, very target dependent. At | |
1410 | the moment, the nlm32-i386 backend performs similar translations; | |
1411 | however, it is more reliable and efficient to do them here. */ | |
1412 | ||
1413 | static reloc_howto_type nlm_i386_pcrel_howto = | |
1414 | HOWTO (1, /* type */ | |
1415 | 0, /* rightshift */ | |
1416 | 2, /* size (0 = byte, 1 = short, 2 = long) */ | |
1417 | 32, /* bitsize */ | |
1418 | true, /* pc_relative */ | |
1419 | 0, /* bitpos */ | |
1420 | complain_overflow_signed, /* complain_on_overflow */ | |
1421 | 0, /* special_function */ | |
1422 | "DISP32", /* name */ | |
1423 | true, /* partial_inplace */ | |
1424 | 0xffffffff, /* src_mask */ | |
1425 | 0xffffffff, /* dst_mask */ | |
1426 | true); /* pcrel_offset */ | |
1427 | ||
1428 | static void | |
1429 | i386_mangle_relocs (outbfd, insec, relocs_ptr, reloc_count_ptr, contents, | |
1430 | contents_size) | |
1431 | bfd *outbfd; | |
1432 | asection *insec; | |
1433 | arelent ***relocs_ptr; | |
1434 | long *reloc_count_ptr; | |
1435 | char *contents; | |
1436 | bfd_size_type contents_size; | |
1437 | { | |
1438 | long reloc_count, i; | |
1439 | arelent **relocs; | |
1440 | ||
1441 | reloc_count = *reloc_count_ptr; | |
1442 | relocs = *relocs_ptr; | |
1443 | for (i = 0; i < reloc_count; i++) | |
1444 | { | |
1445 | arelent *rel; | |
1446 | asymbol *sym; | |
1447 | bfd_size_type address; | |
1448 | bfd_vma addend; | |
1449 | ||
1450 | rel = *relocs++; | |
1451 | sym = *rel->sym_ptr_ptr; | |
1452 | ||
1453 | /* We're moving the relocs from the input section to the output | |
1454 | section, so we must adjust the address accordingly. */ | |
1455 | address = rel->address; | |
1456 | rel->address += insec->output_offset; | |
1457 | ||
1458 | /* Note that no serious harm will ensue if we fail to change a | |
1459 | reloc. The backend will fail when writing out the reloc. */ | |
1460 | ||
1461 | /* Make sure this reloc is within the data we have. We use only | |
1462 | 4 byte relocs here, so we insist on having 4 bytes. */ | |
1463 | if (address + 4 > contents_size) | |
1464 | continue; | |
1465 | ||
1466 | /* A PC relative reloc entirely within a single section is | |
1467 | completely unnecessary. This can be generated by ld -r. */ | |
1468 | if (sym == insec->symbol | |
1469 | && rel->howto != NULL | |
1470 | && rel->howto->pc_relative | |
1471 | && ! rel->howto->pcrel_offset) | |
1472 | { | |
1473 | --*reloc_count_ptr; | |
1474 | --relocs; | |
1475 | memmove (relocs, relocs + 1, | |
1476 | (size_t) ((reloc_count - i) * sizeof (arelent *))); | |
1477 | continue; | |
1478 | } | |
1479 | ||
1480 | /* Get the amount the relocation will add in. */ | |
1481 | addend = rel->addend + sym->value; | |
1482 | ||
1483 | /* NetWare doesn't support PC relative relocs against defined | |
1484 | symbols, so we have to eliminate them by doing the relocation | |
1485 | now. We can only do this if the reloc is within a single | |
1486 | section. */ | |
1487 | if (rel->howto != NULL | |
1488 | && rel->howto->pc_relative | |
1489 | && bfd_get_section (sym) == insec->output_section) | |
1490 | { | |
1491 | bfd_vma val; | |
1492 | ||
1493 | if (rel->howto->pcrel_offset) | |
1494 | addend -= address; | |
1495 | ||
1496 | val = bfd_get_32 (outbfd, (bfd_byte *) contents + address); | |
1497 | val += addend; | |
1498 | bfd_put_32 (outbfd, val, (bfd_byte *) contents + address); | |
1499 | ||
1500 | --*reloc_count_ptr; | |
1501 | --relocs; | |
1502 | memmove (relocs, relocs + 1, | |
1503 | (size_t) ((reloc_count - i) * sizeof (arelent *))); | |
1504 | continue; | |
1505 | } | |
1506 | ||
1507 | /* NetWare doesn't support reloc addends, so we get rid of them | |
1508 | here by simply adding them into the object data. We handle | |
1509 | the symbol value, if any, the same way. */ | |
1510 | if (addend != 0 | |
1511 | && rel->howto != NULL | |
1512 | && rel->howto->rightshift == 0 | |
1513 | && rel->howto->size == 2 | |
1514 | && rel->howto->bitsize == 32 | |
1515 | && rel->howto->bitpos == 0 | |
1516 | && rel->howto->src_mask == 0xffffffff | |
1517 | && rel->howto->dst_mask == 0xffffffff) | |
1518 | { | |
1519 | bfd_vma val; | |
1520 | ||
1521 | val = bfd_get_32 (outbfd, (bfd_byte *) contents + address); | |
1522 | val += addend; | |
1523 | bfd_put_32 (outbfd, val, (bfd_byte *) contents + address); | |
1524 | ||
1525 | /* Adjust the reloc for the changes we just made. */ | |
1526 | rel->addend = 0; | |
1527 | if (! bfd_is_und_section (bfd_get_section (sym))) | |
1528 | rel->sym_ptr_ptr = bfd_get_section (sym)->symbol_ptr_ptr; | |
1529 | } | |
1530 | ||
1531 | /* NetWare uses a reloc with pcrel_offset set. We adjust | |
1532 | pc_relative relocs accordingly. We are going to change the | |
1533 | howto field, so we can only do this if the current one is | |
1534 | compatible. We should check that special_function is NULL | |
1535 | here, but at the moment coff-i386 uses a special_function | |
1536 | which does not affect what we are doing here. */ | |
1537 | if (rel->howto != NULL | |
1538 | && rel->howto->pc_relative | |
1539 | && ! rel->howto->pcrel_offset | |
1540 | && rel->howto->rightshift == 0 | |
1541 | && rel->howto->size == 2 | |
1542 | && rel->howto->bitsize == 32 | |
1543 | && rel->howto->bitpos == 0 | |
1544 | && rel->howto->src_mask == 0xffffffff | |
1545 | && rel->howto->dst_mask == 0xffffffff) | |
1546 | { | |
1547 | bfd_vma val; | |
1548 | ||
1549 | /* When pcrel_offset is not set, it means that the negative | |
1550 | of the address of the memory location is stored in the | |
1551 | memory location. We must add it back in. */ | |
1552 | val = bfd_get_32 (outbfd, (bfd_byte *) contents + address); | |
1553 | val += address; | |
1554 | bfd_put_32 (outbfd, val, (bfd_byte *) contents + address); | |
1555 | ||
1556 | /* We must change to a new howto. */ | |
1557 | rel->howto = &nlm_i386_pcrel_howto; | |
1558 | } | |
1559 | } | |
1560 | } | |
1561 | ||
1562 | #endif /* NLMCONV_I386 */ | |
1563 | \f | |
1564 | #ifdef NLMCONV_ALPHA | |
1565 | ||
1566 | /* On the Alpha the first reloc for every section must be a special | |
1567 | relocs which hold the GP address. Also, the first reloc in the | |
1568 | file must be a special reloc which holds the address of the .lita | |
1569 | section. */ | |
1570 | ||
1571 | static reloc_howto_type nlm32_alpha_nw_howto = | |
1572 | HOWTO (ALPHA_R_NW_RELOC, /* type */ | |
1573 | 0, /* rightshift */ | |
1574 | 0, /* size (0 = byte, 1 = short, 2 = long) */ | |
1575 | 0, /* bitsize */ | |
1576 | false, /* pc_relative */ | |
1577 | 0, /* bitpos */ | |
1578 | complain_overflow_dont, /* complain_on_overflow */ | |
1579 | 0, /* special_function */ | |
1580 | "NW_RELOC", /* name */ | |
1581 | false, /* partial_inplace */ | |
1582 | 0, /* src_mask */ | |
1583 | 0, /* dst_mask */ | |
1584 | false); /* pcrel_offset */ | |
1585 | ||
1586 | /*ARGSUSED*/ | |
1587 | static void | |
1588 | alpha_mangle_relocs (outbfd, insec, relocs_ptr, reloc_count_ptr, contents, | |
1589 | contents_size) | |
1590 | bfd *outbfd; | |
1591 | asection *insec; | |
1592 | register arelent ***relocs_ptr; | |
1593 | long *reloc_count_ptr; | |
1d50f91e AJ |
1594 | char *contents ATTRIBUTE_UNUSED; |
1595 | bfd_size_type contents_size ATTRIBUTE_UNUSED; | |
252b5132 RH |
1596 | { |
1597 | long old_reloc_count; | |
1598 | arelent **old_relocs; | |
1599 | register arelent **relocs; | |
1600 | ||
1601 | old_reloc_count = *reloc_count_ptr; | |
1602 | old_relocs = *relocs_ptr; | |
1603 | relocs = (arelent **) xmalloc ((old_reloc_count + 3) * sizeof (arelent *)); | |
1604 | *relocs_ptr = relocs; | |
1605 | ||
1606 | if (nlm_alpha_backend_data (outbfd)->lita_address == 0) | |
1607 | { | |
1608 | bfd *inbfd; | |
1609 | asection *lita_section; | |
1610 | ||
1611 | inbfd = insec->owner; | |
1612 | lita_section = bfd_get_section_by_name (inbfd, _LITA); | |
1613 | if (lita_section != (asection *) NULL) | |
1614 | { | |
1615 | nlm_alpha_backend_data (outbfd)->lita_address = | |
1616 | bfd_get_section_vma (inbfd, lita_section); | |
1617 | nlm_alpha_backend_data (outbfd)->lita_size = | |
1618 | bfd_section_size (inbfd, lita_section); | |
1619 | } | |
1620 | else | |
1621 | { | |
1622 | /* Avoid outputting this reloc again. */ | |
1623 | nlm_alpha_backend_data (outbfd)->lita_address = 4; | |
1624 | } | |
1625 | ||
1626 | *relocs = (arelent *) xmalloc (sizeof (arelent)); | |
1627 | (*relocs)->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1628 | (*relocs)->address = nlm_alpha_backend_data (outbfd)->lita_address; | |
1629 | (*relocs)->addend = nlm_alpha_backend_data (outbfd)->lita_size + 1; | |
1630 | (*relocs)->howto = &nlm32_alpha_nw_howto; | |
1631 | ++relocs; | |
1632 | ++(*reloc_count_ptr); | |
1633 | } | |
1634 | ||
1635 | /* Get the GP value from bfd. */ | |
1636 | if (nlm_alpha_backend_data (outbfd)->gp == 0) | |
1637 | nlm_alpha_backend_data (outbfd)->gp = | |
1638 | bfd_ecoff_get_gp_value (insec->owner); | |
1639 | ||
1640 | *relocs = (arelent *) xmalloc (sizeof (arelent)); | |
1641 | (*relocs)->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
1642 | (*relocs)->address = nlm_alpha_backend_data (outbfd)->gp; | |
1643 | (*relocs)->addend = 0; | |
1644 | (*relocs)->howto = &nlm32_alpha_nw_howto; | |
1645 | ++relocs; | |
1646 | ++(*reloc_count_ptr); | |
1647 | ||
1648 | memcpy ((PTR) relocs, (PTR) old_relocs, | |
1649 | (size_t) old_reloc_count * sizeof (arelent *)); | |
1650 | relocs[old_reloc_count] = (arelent *) NULL; | |
1651 | ||
1652 | free (old_relocs); | |
1653 | ||
1654 | if (insec->output_offset != 0) | |
1655 | { | |
1656 | register bfd_size_type i; | |
1657 | ||
1658 | for (i = 0; i < (bfd_size_type) old_reloc_count; i++, relocs++) | |
1659 | (*relocs)->address += insec->output_offset; | |
1660 | } | |
1661 | } | |
1662 | ||
1663 | #endif /* NLMCONV_ALPHA */ | |
1664 | \f | |
1665 | #ifdef NLMCONV_POWERPC | |
1666 | ||
1667 | /* We keep a linked list of stubs which we must build. Because BFD | |
1668 | requires us to know the sizes of all sections before we can set the | |
1669 | contents of any, we must figure out which stubs we want to build | |
1670 | before we can actually build any of them. */ | |
1671 | ||
1672 | struct powerpc_stub | |
1673 | { | |
1674 | /* Next stub in linked list. */ | |
1675 | struct powerpc_stub *next; | |
1676 | ||
1677 | /* Symbol whose value is the start of the stub. This is a symbol | |
1678 | whose name begins with `.'. */ | |
1679 | asymbol *start; | |
1680 | ||
1681 | /* Symbol we are going to create a reloc against. This is a symbol | |
1682 | with the same name as START but without the leading `.'. */ | |
1683 | asymbol *reloc; | |
1684 | ||
1685 | /* The TOC index for this stub. This is the index into the TOC | |
1686 | section at which the reloc is created. */ | |
1687 | unsigned int toc_index; | |
1688 | }; | |
1689 | ||
1690 | /* The linked list of stubs. */ | |
1691 | ||
1692 | static struct powerpc_stub *powerpc_stubs; | |
1693 | ||
1694 | /* This is what a stub looks like. The first instruction will get | |
1695 | adjusted with the correct TOC index. */ | |
1696 | ||
1697 | static unsigned long powerpc_stub_insns[] = | |
1698 | { | |
1699 | 0x81820000, /* lwz r12,0(r2) */ | |
1700 | 0x90410014, /* stw r2,20(r1) */ | |
1701 | 0x800c0000, /* lwz r0,0(r12) */ | |
1702 | 0x804c0004, /* lwz r2,r(r12) */ | |
1703 | 0x7c0903a6, /* mtctr r0 */ | |
1704 | 0x4e800420, /* bctr */ | |
1705 | 0, /* Traceback table. */ | |
1706 | 0xc8000, | |
1707 | 0 | |
1708 | }; | |
1709 | ||
1710 | #define POWERPC_STUB_INSN_COUNT \ | |
1711 | (sizeof powerpc_stub_insns / sizeof powerpc_stub_insns[0]) | |
1712 | ||
1713 | #define POWERPC_STUB_SIZE (4 * POWERPC_STUB_INSN_COUNT) | |
1714 | ||
1715 | /* Each stub uses a four byte TOC entry. */ | |
1716 | #define POWERPC_STUB_TOC_ENTRY_SIZE (4) | |
1717 | ||
1718 | /* The original size of the .got section. */ | |
1719 | static bfd_size_type powerpc_initial_got_size; | |
1720 | ||
1721 | /* Look for all undefined symbols beginning with `.', and prepare to | |
1722 | build a stub for each one. */ | |
1723 | ||
1724 | static void | |
1725 | powerpc_build_stubs (inbfd, outbfd, symbols_ptr, symcount_ptr) | |
1726 | bfd *inbfd; | |
1d50f91e | 1727 | bfd *outbfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1728 | asymbol ***symbols_ptr; |
1729 | long *symcount_ptr; | |
1730 | { | |
1731 | asection *stub_sec; | |
1732 | asection *got_sec; | |
1733 | unsigned int got_base; | |
1734 | long i; | |
1735 | long symcount; | |
1736 | long stubcount; | |
1737 | ||
1738 | /* Make a section to hold stubs. We don't set SEC_HAS_CONTENTS for | |
1739 | the section to prevent copy_sections from reading from it. */ | |
1740 | stub_sec = bfd_make_section (inbfd, ".stubs"); | |
1741 | if (stub_sec == (asection *) NULL | |
1742 | || ! bfd_set_section_flags (inbfd, stub_sec, | |
1743 | (SEC_CODE | |
1744 | | SEC_RELOC | |
1745 | | SEC_ALLOC | |
1746 | | SEC_LOAD)) | |
1747 | || ! bfd_set_section_alignment (inbfd, stub_sec, 2)) | |
1748 | bfd_fatal (".stubs"); | |
1749 | ||
1750 | /* Get the TOC section, which is named .got. */ | |
1751 | got_sec = bfd_get_section_by_name (inbfd, ".got"); | |
1752 | if (got_sec == (asection *) NULL) | |
1753 | { | |
1754 | got_sec = bfd_make_section (inbfd, ".got"); | |
1755 | if (got_sec == (asection *) NULL | |
1756 | || ! bfd_set_section_flags (inbfd, got_sec, | |
1757 | (SEC_DATA | |
1758 | | SEC_RELOC | |
1759 | | SEC_ALLOC | |
1760 | | SEC_LOAD | |
1761 | | SEC_HAS_CONTENTS)) | |
1762 | || ! bfd_set_section_alignment (inbfd, got_sec, 2)) | |
1763 | bfd_fatal (".got"); | |
1764 | } | |
1765 | ||
1766 | powerpc_initial_got_size = bfd_section_size (inbfd, got_sec); | |
1767 | got_base = powerpc_initial_got_size; | |
1768 | got_base = (got_base + 3) &~ 3; | |
1769 | ||
1770 | stubcount = 0; | |
1771 | ||
1772 | symcount = *symcount_ptr; | |
1773 | for (i = 0; i < symcount; i++) | |
1774 | { | |
1775 | asymbol *sym; | |
1776 | asymbol *newsym; | |
1777 | char *newname; | |
1778 | struct powerpc_stub *item; | |
1779 | ||
1780 | sym = (*symbols_ptr)[i]; | |
1781 | ||
1782 | /* We must make a stub for every undefined symbol whose name | |
1783 | starts with '.'. */ | |
1784 | if (bfd_asymbol_name (sym)[0] != '.' | |
1785 | || ! bfd_is_und_section (bfd_get_section (sym))) | |
1786 | continue; | |
1787 | ||
1788 | /* Make a new undefined symbol with the same name but without | |
1789 | the leading `.'. */ | |
1790 | newsym = (asymbol *) xmalloc (sizeof (asymbol)); | |
1791 | *newsym = *sym; | |
1792 | newname = (char *) xmalloc (strlen (bfd_asymbol_name (sym))); | |
1793 | strcpy (newname, bfd_asymbol_name (sym) + 1); | |
1794 | newsym->name = newname; | |
1795 | ||
1796 | /* Define the `.' symbol to be in the stub section. */ | |
1797 | sym->section = stub_sec; | |
1798 | sym->value = stubcount * POWERPC_STUB_SIZE; | |
1799 | /* We set the BSF_DYNAMIC flag here so that we can check it when | |
1800 | we are mangling relocs. FIXME: This is a hack. */ | |
1801 | sym->flags = BSF_LOCAL | BSF_DYNAMIC; | |
1802 | ||
1803 | /* Add this stub to the linked list. */ | |
1804 | item = (struct powerpc_stub *) xmalloc (sizeof (struct powerpc_stub)); | |
1805 | item->start = sym; | |
1806 | item->reloc = newsym; | |
1807 | item->toc_index = got_base + stubcount * POWERPC_STUB_TOC_ENTRY_SIZE; | |
1808 | ||
1809 | item->next = powerpc_stubs; | |
1810 | powerpc_stubs = item; | |
1811 | ||
1812 | ++stubcount; | |
1813 | } | |
1814 | ||
1815 | if (stubcount > 0) | |
1816 | { | |
1817 | asymbol **s; | |
1818 | struct powerpc_stub *l; | |
1819 | ||
1820 | /* Add the new symbols we just created to the symbol table. */ | |
1821 | *symbols_ptr = (asymbol **) xrealloc ((char *) *symbols_ptr, | |
1822 | ((symcount + stubcount) | |
1823 | * sizeof (asymbol))); | |
1824 | *symcount_ptr += stubcount; | |
1825 | s = &(*symbols_ptr)[symcount]; | |
1826 | for (l = powerpc_stubs; l != (struct powerpc_stub *) NULL; l = l->next) | |
1827 | *s++ = l->reloc; | |
1828 | ||
1829 | /* Set the size of the .stubs section and increase the size of | |
1830 | the .got section. */ | |
1831 | if (! bfd_set_section_size (inbfd, stub_sec, | |
1832 | stubcount * POWERPC_STUB_SIZE) | |
1833 | || ! bfd_set_section_size (inbfd, got_sec, | |
1834 | (got_base | |
1835 | + (stubcount | |
1836 | * POWERPC_STUB_TOC_ENTRY_SIZE)))) | |
1837 | bfd_fatal (_("stub section sizes")); | |
1838 | } | |
1839 | } | |
1840 | ||
1841 | /* Resolve all the stubs for PowerPC NetWare. We fill in the contents | |
1842 | of the output section, and create new relocs in the TOC. */ | |
1843 | ||
1844 | static void | |
1845 | powerpc_resolve_stubs (inbfd, outbfd) | |
1846 | bfd *inbfd; | |
1847 | bfd *outbfd; | |
1848 | { | |
1849 | bfd_byte buf[POWERPC_STUB_SIZE]; | |
1850 | unsigned int i; | |
1851 | unsigned int stubcount; | |
1852 | arelent **relocs; | |
1853 | asection *got_sec; | |
1854 | arelent **r; | |
1855 | struct powerpc_stub *l; | |
1856 | ||
1857 | if (powerpc_stubs == (struct powerpc_stub *) NULL) | |
1858 | return; | |
1859 | ||
1860 | for (i = 0; i < POWERPC_STUB_INSN_COUNT; i++) | |
1861 | bfd_put_32 (outbfd, (bfd_vma) powerpc_stub_insns[i], buf + i * 4); | |
1862 | ||
1863 | got_sec = bfd_get_section_by_name (inbfd, ".got"); | |
1864 | assert (got_sec != (asection *) NULL); | |
1865 | assert (got_sec->output_section->orelocation == (arelent **) NULL); | |
1866 | ||
1867 | stubcount = 0; | |
1868 | for (l = powerpc_stubs; l != (struct powerpc_stub *) NULL; l = l->next) | |
1869 | ++stubcount; | |
1870 | relocs = (arelent **) xmalloc (stubcount * sizeof (arelent *)); | |
1871 | ||
1872 | r = relocs; | |
1873 | for (l = powerpc_stubs; l != (struct powerpc_stub *) NULL; l = l->next) | |
1874 | { | |
1875 | arelent *reloc; | |
1876 | ||
1877 | /* Adjust the first instruction to use the right TOC index. */ | |
1878 | bfd_put_32 (outbfd, (bfd_vma) powerpc_stub_insns[0] + l->toc_index, buf); | |
1879 | ||
1880 | /* Write this stub out. */ | |
1881 | if (! bfd_set_section_contents (outbfd, | |
1882 | bfd_get_section (l->start), | |
1883 | buf, | |
1884 | l->start->value, | |
1885 | POWERPC_STUB_SIZE)) | |
1886 | bfd_fatal (_("writing stub")); | |
1887 | ||
1888 | /* Create a new reloc for the TOC entry. */ | |
1889 | reloc = (arelent *) xmalloc (sizeof (arelent)); | |
1890 | reloc->sym_ptr_ptr = &l->reloc; | |
1891 | reloc->address = l->toc_index + got_sec->output_offset; | |
1892 | reloc->addend = 0; | |
1893 | reloc->howto = bfd_reloc_type_lookup (inbfd, BFD_RELOC_32); | |
1894 | ||
1895 | *r++ = reloc; | |
1896 | } | |
1897 | ||
1898 | bfd_set_reloc (outbfd, got_sec->output_section, relocs, stubcount); | |
1899 | } | |
1900 | ||
1901 | /* Adjust relocation entries for PowerPC NetWare. We do not output | |
1902 | TOC relocations. The object code already contains the offset from | |
1903 | the TOC pointer. When the function is called, the TOC register, | |
1904 | r2, will be set to the correct TOC value, so there is no need for | |
1905 | any further reloc. */ | |
1906 | ||
1907 | /*ARGSUSED*/ | |
1908 | static void | |
1909 | powerpc_mangle_relocs (outbfd, insec, relocs_ptr, reloc_count_ptr, contents, | |
1910 | contents_size) | |
1911 | bfd *outbfd; | |
1912 | asection *insec; | |
1913 | register arelent ***relocs_ptr; | |
1914 | long *reloc_count_ptr; | |
1915 | char *contents; | |
1d50f91e | 1916 | bfd_size_type contents_size ATTRIBUTE_UNUSED; |
252b5132 RH |
1917 | { |
1918 | reloc_howto_type *toc_howto; | |
1919 | long reloc_count; | |
1920 | register arelent **relocs; | |
1921 | register long i; | |
1922 | ||
1923 | toc_howto = bfd_reloc_type_lookup (insec->owner, BFD_RELOC_PPC_TOC16); | |
1924 | if (toc_howto == (reloc_howto_type *) NULL) | |
1925 | abort (); | |
1926 | ||
1927 | /* If this is the .got section, clear out all the contents beyond | |
1928 | the initial size. We must do this here because copy_sections is | |
1929 | going to write out whatever we return in the contents field. */ | |
1930 | if (strcmp (bfd_get_section_name (insec->owner, insec), ".got") == 0) | |
1931 | memset (contents + powerpc_initial_got_size, 0, | |
1932 | (size_t) (bfd_get_section_size_after_reloc (insec) | |
1933 | - powerpc_initial_got_size)); | |
1934 | ||
1935 | reloc_count = *reloc_count_ptr; | |
1936 | relocs = *relocs_ptr; | |
1937 | for (i = 0; i < reloc_count; i++) | |
1938 | { | |
1939 | arelent *rel; | |
1940 | asymbol *sym; | |
1941 | bfd_vma sym_value; | |
1942 | ||
1943 | rel = *relocs++; | |
1944 | sym = *rel->sym_ptr_ptr; | |
1945 | ||
1946 | /* Convert any relocs against the .bss section into relocs | |
1947 | against the .data section. */ | |
1948 | if (strcmp (bfd_get_section_name (outbfd, bfd_get_section (sym)), | |
1949 | NLM_UNINITIALIZED_DATA_NAME) == 0) | |
1950 | { | |
1951 | asection *datasec; | |
1952 | ||
1953 | datasec = bfd_get_section_by_name (outbfd, | |
1954 | NLM_INITIALIZED_DATA_NAME); | |
1955 | if (datasec != NULL) | |
1956 | { | |
1957 | rel->addend += (bfd_get_section_vma (outbfd, | |
1958 | bfd_get_section (sym)) | |
1959 | + sym->value); | |
1960 | rel->sym_ptr_ptr = datasec->symbol_ptr_ptr; | |
1961 | sym = *rel->sym_ptr_ptr; | |
1962 | } | |
1963 | } | |
1964 | ||
1965 | /* We must be able to resolve all PC relative relocs at this | |
1966 | point. If we get a branch to an undefined symbol we build a | |
1967 | stub, since NetWare will resolve undefined symbols into a | |
1968 | pointer to a function descriptor. */ | |
1969 | if (rel->howto->pc_relative) | |
1970 | { | |
1971 | /* This check for whether a symbol is in the same section as | |
1972 | the reloc will be wrong if there is a PC relative reloc | |
1973 | between two sections both of which were placed in the | |
1974 | same output section. This should not happen. */ | |
1975 | if (bfd_get_section (sym) != insec->output_section) | |
37cc8ec1 AM |
1976 | non_fatal (_("unresolved PC relative reloc against %s"), |
1977 | bfd_asymbol_name (sym)); | |
252b5132 RH |
1978 | else |
1979 | { | |
1980 | bfd_vma val; | |
1981 | ||
1982 | assert (rel->howto->size == 2 && rel->howto->pcrel_offset); | |
1983 | val = bfd_get_32 (outbfd, (bfd_byte *) contents + rel->address); | |
1984 | val = ((val &~ rel->howto->dst_mask) | |
1985 | | (((val & rel->howto->src_mask) | |
1986 | + (sym->value - rel->address) | |
1987 | + rel->addend) | |
1988 | & rel->howto->dst_mask)); | |
1989 | bfd_put_32 (outbfd, val, (bfd_byte *) contents + rel->address); | |
1990 | ||
1991 | /* If this reloc is against an stubbed symbol and the | |
1992 | next instruction is | |
1993 | cror 31,31,31 | |
1994 | then we replace the next instruction with | |
1995 | lwz r2,20(r1) | |
1996 | This reloads the TOC pointer after a stub call. */ | |
1997 | if (bfd_asymbol_name (sym)[0] == '.' | |
1998 | && (sym->flags & BSF_DYNAMIC) != 0 | |
1999 | && (bfd_get_32 (outbfd, | |
2000 | (bfd_byte *) contents + rel->address + 4) | |
2001 | == 0x4ffffb82)) /* cror 31,31,31 */ | |
2002 | bfd_put_32 (outbfd, (bfd_vma) 0x80410014, /* lwz r2,20(r1) */ | |
2003 | (bfd_byte *) contents + rel->address + 4); | |
2004 | ||
2005 | --*reloc_count_ptr; | |
2006 | --relocs; | |
2007 | memmove (relocs, relocs + 1, | |
2008 | (size_t) ((reloc_count - 1) * sizeof (arelent *))); | |
2009 | continue; | |
2010 | } | |
2011 | } | |
2012 | ||
2013 | /* When considering a TOC reloc, we do not want to include the | |
2014 | symbol value. The symbol will be start of the TOC section | |
2015 | (which is named .got). We do want to include the addend. */ | |
2016 | if (rel->howto == toc_howto) | |
2017 | sym_value = 0; | |
2018 | else | |
2019 | sym_value = sym->value; | |
2020 | ||
2021 | /* If this is a relocation against a symbol with a value, or | |
2022 | there is a reloc addend, we need to update the addend in the | |
2023 | object file. */ | |
2024 | if (sym_value + rel->addend != 0) | |
2025 | { | |
2026 | bfd_vma val; | |
2027 | ||
2028 | switch (rel->howto->size) | |
2029 | { | |
2030 | case 1: | |
2031 | val = bfd_get_16 (outbfd, | |
2032 | (bfd_byte *) contents + rel->address); | |
2033 | val = ((val &~ rel->howto->dst_mask) | |
2034 | | (((val & rel->howto->src_mask) | |
2035 | + sym_value | |
2036 | + rel->addend) | |
2037 | & rel->howto->dst_mask)); | |
2038 | if ((bfd_signed_vma) val < - 0x8000 | |
2039 | || (bfd_signed_vma) val >= 0x8000) | |
37cc8ec1 AM |
2040 | non_fatal (_("overflow when adjusting relocation against %s"), |
2041 | bfd_asymbol_name (sym)); | |
252b5132 RH |
2042 | bfd_put_16 (outbfd, val, (bfd_byte *) contents + rel->address); |
2043 | break; | |
2044 | ||
2045 | case 2: | |
2046 | val = bfd_get_32 (outbfd, | |
2047 | (bfd_byte *) contents + rel->address); | |
2048 | val = ((val &~ rel->howto->dst_mask) | |
2049 | | (((val & rel->howto->src_mask) | |
2050 | + sym_value | |
2051 | + rel->addend) | |
2052 | & rel->howto->dst_mask)); | |
2053 | bfd_put_32 (outbfd, val, (bfd_byte *) contents + rel->address); | |
2054 | break; | |
2055 | ||
2056 | default: | |
2057 | abort (); | |
2058 | } | |
2059 | ||
2060 | if (! bfd_is_und_section (bfd_get_section (sym))) | |
2061 | rel->sym_ptr_ptr = bfd_get_section (sym)->symbol_ptr_ptr; | |
2062 | rel->addend = 0; | |
2063 | } | |
2064 | ||
2065 | /* Now that we have incorporated the addend, remove any TOC | |
2066 | relocs. */ | |
2067 | if (rel->howto == toc_howto) | |
2068 | { | |
2069 | --*reloc_count_ptr; | |
2070 | --relocs; | |
2071 | memmove (relocs, relocs + 1, | |
2072 | (size_t) ((reloc_count - i) * sizeof (arelent *))); | |
2073 | continue; | |
2074 | } | |
2075 | ||
2076 | rel->address += insec->output_offset; | |
2077 | } | |
2078 | } | |
2079 | ||
2080 | #endif /* NLMCONV_POWERPC */ | |
2081 | \f | |
2082 | /* Name of linker. */ | |
2083 | #ifndef LD_NAME | |
2084 | #define LD_NAME "ld" | |
2085 | #endif | |
2086 | ||
252b5132 RH |
2087 | /* The user has specified several input files. Invoke the linker to |
2088 | link them all together, and convert and delete the resulting output | |
2089 | file. */ | |
2090 | ||
2091 | static char * | |
2092 | link_inputs (inputs, ld) | |
2093 | struct string_list *inputs; | |
2094 | char *ld; | |
2095 | { | |
2096 | size_t c; | |
2097 | struct string_list *q; | |
2098 | char **argv; | |
2099 | size_t i; | |
2100 | int pid; | |
2101 | int status; | |
2102 | char *errfmt; | |
2103 | char *errarg; | |
2104 | ||
2105 | c = 0; | |
2106 | for (q = inputs; q != NULL; q = q->next) | |
2107 | ++c; | |
2108 | ||
2109 | argv = (char **) alloca ((c + 5) * sizeof(char *)); | |
2110 | ||
2111 | #ifndef __MSDOS__ | |
2112 | if (ld == NULL) | |
2113 | { | |
2114 | char *p; | |
2115 | ||
2116 | /* Find the linker to invoke based on how nlmconv was run. */ | |
2117 | p = program_name + strlen (program_name); | |
2118 | while (p != program_name) | |
2119 | { | |
2120 | if (p[-1] == '/') | |
2121 | { | |
2122 | ld = (char *) xmalloc (p - program_name + strlen (LD_NAME) + 1); | |
2123 | memcpy (ld, program_name, p - program_name); | |
2124 | strcpy (ld + (p - program_name), LD_NAME); | |
2125 | break; | |
2126 | } | |
2127 | --p; | |
2128 | } | |
2129 | } | |
2130 | #endif | |
2131 | ||
2132 | if (ld == NULL) | |
2133 | ld = (char *) LD_NAME; | |
2134 | ||
5ee1baa2 | 2135 | unlink_on_exit = make_temp_file (".O"); |
252b5132 RH |
2136 | |
2137 | argv[0] = ld; | |
2138 | argv[1] = (char *) "-Ur"; | |
2139 | argv[2] = (char *) "-o"; | |
2140 | argv[3] = unlink_on_exit; | |
2141 | i = 4; | |
2142 | for (q = inputs; q != NULL; q = q->next, i++) | |
2143 | argv[i] = q->string; | |
2144 | argv[i] = NULL; | |
2145 | ||
2146 | if (debug) | |
2147 | { | |
2148 | for (i = 0; argv[i] != NULL; i++) | |
2149 | fprintf (stderr, " %s", argv[i]); | |
2150 | fprintf (stderr, "\n"); | |
2151 | } | |
2152 | ||
2153 | pid = pexecute (ld, argv, program_name, (char *) NULL, &errfmt, &errarg, | |
2154 | PEXECUTE_SEARCH | PEXECUTE_ONE); | |
2155 | if (pid == -1) | |
2156 | { | |
2157 | fprintf (stderr, _("%s: execution of %s failed: "), program_name, ld); | |
2158 | fprintf (stderr, errfmt, errarg); | |
2159 | unlink (unlink_on_exit); | |
2160 | exit (1); | |
2161 | } | |
2162 | ||
2163 | if (pwait (pid, &status, 0) < 0) | |
2164 | { | |
2165 | perror ("pwait"); | |
2166 | unlink (unlink_on_exit); | |
2167 | exit (1); | |
2168 | } | |
2169 | ||
2170 | if (status != 0) | |
2171 | { | |
37cc8ec1 | 2172 | non_fatal (_("Execution of %s failed"), ld); |
252b5132 RH |
2173 | unlink (unlink_on_exit); |
2174 | exit (1); | |
2175 | } | |
2176 | ||
2177 | return unlink_on_exit; | |
2178 | } |