Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | # This shell script emits a C file. -*- C -*- |
2 | # It does some substitutions. | |
86af25fe L |
3 | if [ -z "$MACHINE" ]; then |
4 | OUTPUT_ARCH=${ARCH} | |
5 | else | |
6 | OUTPUT_ARCH=${ARCH}:${MACHINE} | |
7 | fi | |
252b5132 RH |
8 | cat >e${EMULATION_NAME}.c <<EOF |
9 | /* This file is is generated by a shell script. DO NOT EDIT! */ | |
10 | ||
11 | /* AIX emulation code for ${EMULATION_NAME} | |
8529105a AM |
12 | Copyright 1991, 1993, 1995, 1996, 1997, 1998, 2000, 2001 |
13 | Free Software Foundation, Inc. | |
252b5132 RH |
14 | Written by Steve Chamberlain <sac@cygnus.com> |
15 | AIX support by Ian Lance Taylor <ian@cygnus.com> | |
3b1b01cf | 16 | AIX 64 bit support by Tom Rix <trix@redhat.com> |
252b5132 RH |
17 | |
18 | This file is part of GLD, the Gnu Linker. | |
19 | ||
20 | This program is free software; you can redistribute it and/or modify | |
21 | it under the terms of the GNU General Public License as published by | |
22 | the Free Software Foundation; either version 2 of the License, or | |
23 | (at your option) any later version. | |
24 | ||
25 | This program is distributed in the hope that it will be useful, | |
26 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
27 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
28 | GNU General Public License for more details. | |
29 | ||
30 | You should have received a copy of the GNU General Public License | |
31 | along with this program; if not, write to the Free Software | |
32 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
33 | ||
34 | #define TARGET_IS_${EMULATION_NAME} | |
35 | ||
36 | #include "bfd.h" | |
37 | #include "sysdep.h" | |
38 | #include "libiberty.h" | |
3882b010 | 39 | #include "safe-ctype.h" |
252b5132 RH |
40 | #include "getopt.h" |
41 | #include "obstack.h" | |
42 | #include "bfdlink.h" | |
43 | ||
252b5132 RH |
44 | #include "ld.h" |
45 | #include "ldmain.h" | |
252b5132 RH |
46 | #include "ldmisc.h" |
47 | #include "ldexp.h" | |
48 | #include "ldlang.h" | |
20713691 AM |
49 | #include "ldfile.h" |
50 | #include "ldemul.h" | |
252b5132 RH |
51 | #include "ldctor.h" |
52 | #include "ldgram.h" | |
53 | ||
3b1b01cf TR |
54 | #include "coff/internal.h" |
55 | #include "coff/xcoff.h" | |
56 | ||
252b5132 RH |
57 | static void gld${EMULATION_NAME}_before_parse PARAMS ((void)); |
58 | static int gld${EMULATION_NAME}_parse_args PARAMS ((int, char **)); | |
59 | static void gld${EMULATION_NAME}_after_open PARAMS ((void)); | |
60 | static void gld${EMULATION_NAME}_before_allocation PARAMS ((void)); | |
61 | static void gld${EMULATION_NAME}_read_file PARAMS ((const char *, boolean)); | |
62 | static void gld${EMULATION_NAME}_free PARAMS ((PTR)); | |
63 | static void gld${EMULATION_NAME}_find_relocs | |
64 | PARAMS ((lang_statement_union_type *)); | |
65 | static void gld${EMULATION_NAME}_find_exp_assignment PARAMS ((etree_type *)); | |
66 | static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile)); | |
48f6162b AJ |
67 | static boolean gld${EMULATION_NAME}_unrecognized_file |
68 | PARAMS ((lang_input_statement_type *)); | |
252b5132 RH |
69 | |
70 | /* The file alignment required for each section. */ | |
71 | static unsigned long file_align; | |
72 | ||
73 | /* The maximum size the stack is permitted to grow. This is stored in | |
74 | the a.out header. */ | |
75 | static unsigned long maxstack; | |
76 | ||
77 | /* The maximum data size. This is stored in the a.out header. */ | |
78 | static unsigned long maxdata; | |
79 | ||
80 | /* Whether to perform garbage collection. */ | |
81 | static int gc = 1; | |
82 | ||
83 | /* The module type to use. */ | |
84 | static unsigned short modtype = ('1' << 8) | 'L'; | |
85 | ||
86 | /* Whether the .text section must be read-only (i.e., no relocs | |
87 | permitted). */ | |
88 | static int textro; | |
89 | ||
90 | /* Whether to implement Unix like linker semantics. */ | |
91 | static int unix_ld; | |
92 | ||
93 | /* Structure used to hold import file list. */ | |
94 | ||
95 | struct filelist | |
96 | { | |
97 | struct filelist *next; | |
98 | const char *name; | |
99 | }; | |
100 | ||
101 | /* List of import files. */ | |
102 | static struct filelist *import_files; | |
103 | ||
104 | /* List of export symbols read from the export files. */ | |
105 | ||
106 | struct export_symbol_list | |
107 | { | |
108 | struct export_symbol_list *next; | |
109 | const char *name; | |
252b5132 RH |
110 | }; |
111 | ||
112 | static struct export_symbol_list *export_symbols; | |
113 | ||
3b1b01cf TR |
114 | /* Maintains the 32 or 64 bit mode state of import file */ |
115 | static unsigned int symbol_mode = 0x04; | |
116 | ||
252b5132 RH |
117 | /* This routine is called before anything else is done. */ |
118 | ||
119 | static void | |
fab80407 | 120 | gld${EMULATION_NAME}_before_parse () |
252b5132 RH |
121 | { |
122 | #ifndef TARGET_ /* I.e., if not generic. */ | |
86af25fe L |
123 | const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}"); |
124 | if (arch) | |
125 | { | |
126 | ldfile_output_architecture = arch->arch; | |
127 | ldfile_output_machine = arch->mach; | |
128 | ldfile_output_machine_name = arch->printable_name; | |
129 | } | |
130 | else | |
131 | ldfile_output_architecture = bfd_arch_${ARCH}; | |
252b5132 RH |
132 | #endif /* not TARGET_ */ |
133 | config.has_shared = true; | |
3b1b01cf TR |
134 | |
135 | /* | |
136 | * The link_info.[init|fini]_functions are initialized in ld/lexsup.c. | |
137 | * Override them here so we can use the link_info.init_function as a | |
138 | * state flag that lets the backend know that -binitfini has been done. | |
fab80407 | 139 | */ |
3b1b01cf TR |
140 | link_info.init_function = NULL; |
141 | link_info.fini_function = NULL; | |
142 | ||
252b5132 RH |
143 | } |
144 | ||
145 | /* Handle AIX specific options. */ | |
146 | ||
147 | static int | |
148 | gld${EMULATION_NAME}_parse_args (argc, argv) | |
149 | int argc; | |
150 | char **argv; | |
151 | { | |
152 | int prevoptind = optind; | |
153 | int prevopterr = opterr; | |
154 | int indx; | |
155 | int longind; | |
156 | int optc; | |
3b1b01cf | 157 | bfd_signed_vma val; |
252b5132 RH |
158 | char *end; |
159 | ||
3b1b01cf TR |
160 | enum { |
161 | OPTION_IGNORE = 300, | |
fab80407 AM |
162 | OPTION_AUTOIMP, |
163 | OPTION_ERNOTOK, | |
164 | OPTION_EROK, | |
165 | OPTION_EXPORT, | |
166 | OPTION_IMPORT, | |
167 | OPTION_INITFINI, | |
168 | OPTION_LOADMAP, | |
169 | OPTION_MAXDATA, | |
170 | OPTION_MAXSTACK, | |
171 | OPTION_MODTYPE, | |
172 | OPTION_NOAUTOIMP, | |
173 | OPTION_NOSTRCMPCT, | |
174 | OPTION_PD, | |
175 | OPTION_PT, | |
176 | OPTION_STRCMPCT, | |
3b1b01cf TR |
177 | OPTION_UNIX |
178 | }; | |
179 | ||
180 | /* | |
181 | b64 is an empty option. The native linker uses -b64 for xcoff64 support | |
fab80407 | 182 | Our linker uses -m aixppc64 for xcoff64 support. The choice for the |
3b1b01cf TR |
183 | correct emulation is done in collect2.c via the environmental varible |
184 | LDEMULATION. | |
fab80407 | 185 | |
3b1b01cf TR |
186 | binitfini has special handling in the linker backend. The native linker |
187 | uses the arguemnts to generate a table of init and fini functions for | |
188 | the executable. The important use for this option is to support aix 4.2+ | |
189 | c++ constructors and destructors. This is tied into gcc via collect2.c. | |
fab80407 AM |
190 | The function table is accessed by the runtime linker/loader by checking if |
191 | the first symbol in the loader symbol table is "__rtinit". The native | |
192 | linker generates this table and the loader symbol. The gnu linker looks | |
193 | for the symbol "__rtinit" and makes it the first loader symbol. It is the | |
194 | responsiblity of the user to define the __rtinit symbol. The format for | |
195 | __rtinit is given by the aix system file /usr/include/rtinit.h. You can | |
196 | look at collect2.c to see an example of how this is done for 32 and 64 bit. | |
197 | Below is an exmaple of a 32 bit assembly file that defines __rtinit. | |
198 | ||
199 | .file "my_rtinit.s" | |
200 | ||
201 | .csect .data[RW],3 | |
202 | .globl __rtinit | |
203 | .extern init_function | |
204 | .extern fini_function | |
205 | ||
206 | __rtinit: | |
207 | .long 0 | |
208 | .long f1i - __rtinit | |
209 | .long f1f - __rtinit | |
210 | .long f2i - f1i | |
211 | .align 3 | |
212 | f1i: .long init_function | |
213 | .long s1i - __rtinit | |
214 | .long 0 | |
215 | f2i: .long 0 | |
216 | .long 0 | |
217 | .long 0 | |
218 | f1f: .long fini_function | |
219 | .long s1f - __rtinit | |
220 | .long 0 | |
221 | f2f: .long 0 | |
222 | .long 0 | |
223 | .long 0 | |
224 | .align 3 | |
225 | s1i: .string "init_function" | |
226 | .align 3 | |
227 | s1f: .string "fini_function" | |
3b1b01cf TR |
228 | |
229 | */ | |
230 | ||
231 | static const struct option longopts[] = { | |
252b5132 RH |
232 | {"basis", no_argument, NULL, OPTION_IGNORE}, |
233 | {"bautoimp", no_argument, NULL, OPTION_AUTOIMP}, | |
234 | {"bcomprld", no_argument, NULL, OPTION_IGNORE}, | |
235 | {"bcrld", no_argument, NULL, OPTION_IGNORE}, | |
236 | {"bcror31", no_argument, NULL, OPTION_IGNORE}, | |
237 | {"bD", required_argument, NULL, OPTION_MAXDATA}, | |
238 | {"bE", required_argument, NULL, OPTION_EXPORT}, | |
239 | {"bernotok", no_argument, NULL, OPTION_ERNOTOK}, | |
240 | {"berok", no_argument, NULL, OPTION_EROK}, | |
241 | {"berrmsg", no_argument, NULL, OPTION_IGNORE}, | |
242 | {"bexport", required_argument, NULL, OPTION_EXPORT}, | |
243 | {"bf", no_argument, NULL, OPTION_ERNOTOK}, | |
244 | {"bgc", no_argument, &gc, 1}, | |
245 | {"bh", required_argument, NULL, OPTION_IGNORE}, | |
246 | {"bhalt", required_argument, NULL, OPTION_IGNORE}, | |
247 | {"bI", required_argument, NULL, OPTION_IMPORT}, | |
248 | {"bimport", required_argument, NULL, OPTION_IMPORT}, | |
3b1b01cf | 249 | {"binitfini", required_argument, NULL, OPTION_INITFINI}, |
252b5132 RH |
250 | {"bl", required_argument, NULL, OPTION_LOADMAP}, |
251 | {"bloadmap", required_argument, NULL, OPTION_LOADMAP}, | |
252 | {"bmaxdata", required_argument, NULL, OPTION_MAXDATA}, | |
253 | {"bmaxstack", required_argument, NULL, OPTION_MAXSTACK}, | |
254 | {"bM", required_argument, NULL, OPTION_MODTYPE}, | |
255 | {"bmodtype", required_argument, NULL, OPTION_MODTYPE}, | |
256 | {"bnoautoimp", no_argument, NULL, OPTION_NOAUTOIMP}, | |
257 | {"bnodelcsect", no_argument, NULL, OPTION_IGNORE}, | |
258 | {"bnoentry", no_argument, NULL, OPTION_IGNORE}, | |
259 | {"bnogc", no_argument, &gc, 0}, | |
260 | {"bnso", no_argument, NULL, OPTION_NOAUTOIMP}, | |
261 | {"bnostrcmpct", no_argument, NULL, OPTION_NOSTRCMPCT}, | |
262 | {"bnotextro", no_argument, &textro, 0}, | |
263 | {"bnro", no_argument, &textro, 0}, | |
264 | {"bpD", required_argument, NULL, OPTION_PD}, | |
265 | {"bpT", required_argument, NULL, OPTION_PT}, | |
266 | {"bro", no_argument, &textro, 1}, | |
267 | {"bS", required_argument, NULL, OPTION_MAXSTACK}, | |
268 | {"bso", no_argument, NULL, OPTION_AUTOIMP}, | |
269 | {"bstrcmpct", no_argument, NULL, OPTION_STRCMPCT}, | |
270 | {"btextro", no_argument, &textro, 1}, | |
3b1b01cf | 271 | {"b64", no_argument, NULL, 0}, |
252b5132 RH |
272 | {"static", no_argument, NULL, OPTION_NOAUTOIMP}, |
273 | {"unix", no_argument, NULL, OPTION_UNIX}, | |
274 | {NULL, no_argument, NULL, 0} | |
275 | }; | |
276 | ||
277 | /* Options supported by the AIX linker which we do not support: -f, | |
278 | -S, -v, -Z, -bbindcmds, -bbinder, -bbindopts, -bcalls, -bcaps, | |
279 | -bcror15, -bdebugopt, -bdbg, -bdelcsect, -bex?, -bfilelist, -bfl, | |
280 | -bgcbypass, -bglink, -binsert, -bi, -bloadmap, -bl, -bmap, -bnl, | |
281 | -bnobind, -bnocomprld, -bnocrld, -bnoerrmsg, -bnoglink, | |
282 | -bnoloadmap, -bnl, -bnoobjreorder, -bnoquiet, -bnoreorder, | |
283 | -bnotypchk, -bnox, -bquiet, -bR, -brename, -breorder, -btypchk, | |
284 | -bx, -bX, -bxref. */ | |
285 | ||
286 | /* If the current option starts with -b, change the first : to an =. | |
287 | The AIX linker uses : to separate the option from the argument; | |
288 | changing it to = lets us treat it as a getopt option. */ | |
289 | indx = optind; | |
fab80407 AM |
290 | if (indx == 0) |
291 | { | |
292 | indx = 1; | |
293 | } | |
294 | ||
295 | if (indx < argc && strncmp (argv[indx], "-b", 2) == 0) | |
296 | { | |
297 | char *s; | |
298 | ||
299 | for (s = argv[indx]; *s != '\0'; s++) | |
300 | { | |
301 | if (*s == ':') | |
302 | { | |
303 | *s = '='; | |
304 | break; | |
305 | } | |
306 | } | |
252b5132 | 307 | } |
3b1b01cf | 308 | |
252b5132 RH |
309 | |
310 | /* We add s and u so to the short options list so that -s and -u on | |
311 | the command line do not match -static and -unix. */ | |
312 | ||
313 | opterr = 0; | |
314 | optc = getopt_long_only (argc, argv, "-D:H:KT:zsu", longopts, &longind); | |
315 | opterr = prevopterr; | |
316 | ||
317 | switch (optc) | |
318 | { | |
319 | case 's': | |
320 | case 'u': | |
321 | default: | |
322 | optind = prevoptind; | |
323 | return 0; | |
324 | ||
325 | case 0: | |
326 | /* Long option which just sets a flag. */ | |
327 | break; | |
328 | ||
329 | case 'D': | |
3b1b01cf | 330 | val = strtoll (optarg, &end, 0); |
252b5132 RH |
331 | if (*end != '\0') |
332 | einfo ("%P: warning: ignoring invalid -D number %s\n", optarg); | |
333 | else if (val != -1) | |
334 | lang_section_start (".data", exp_intop (val)); | |
335 | break; | |
336 | ||
337 | case 'H': | |
338 | val = strtoul (optarg, &end, 0); | |
339 | if (*end != '\0' | |
340 | || (val & (val - 1)) != 0) | |
341 | einfo ("%P: warning: ignoring invalid -H number %s\n", optarg); | |
342 | else | |
343 | file_align = val; | |
344 | break; | |
345 | ||
346 | case 'K': | |
347 | case 'z': | |
348 | /* FIXME: This should use the page size for the target system. */ | |
349 | file_align = 4096; | |
350 | break; | |
351 | ||
352 | case 'T': | |
353 | /* On AIX this is the same as GNU ld -Ttext. When we see -T | |
354 | number, we assume the AIX option is intended. Otherwise, we | |
355 | assume the usual GNU ld -T option is intended. We can't just | |
356 | ignore the AIX option, because gcc passes it to the linker. */ | |
3b1b01cf | 357 | val = strtoull (optarg, &end, 0); |
252b5132 RH |
358 | if (*end != '\0') |
359 | { | |
360 | optind = prevoptind; | |
361 | return 0; | |
362 | } | |
363 | lang_section_start (".text", exp_intop (val)); | |
364 | break; | |
365 | ||
366 | case OPTION_IGNORE: | |
367 | break; | |
368 | ||
fab80407 AM |
369 | case OPTION_INITFINI: |
370 | { | |
371 | /* | |
372 | * The aix linker init fini has the format : | |
373 | * | |
374 | * -binitfini:[ Initial][:Termination][:Priority] | |
375 | * | |
376 | * it allows the Termination and Priority to be optional. | |
377 | * | |
378 | * Since we support only one init/fini pair, we ignore the Priority. | |
379 | * | |
380 | * Define the special symbol __rtinit. | |
381 | * | |
382 | * strtok does not correctly handle the case of -binitfini::fini: so | |
383 | * do it by hand | |
384 | */ | |
385 | char *t, *i, *f; | |
386 | ||
387 | i = t = optarg; | |
388 | while (*t && ':' != *t) | |
389 | t++; | |
390 | if (*t) | |
391 | *t++ = 0; | |
392 | ||
393 | if (0 != strlen (i)) | |
394 | { | |
395 | link_info.init_function = i; | |
396 | } | |
3b1b01cf | 397 | |
fab80407 AM |
398 | f = t; |
399 | while (*t && ':' != *t) | |
400 | t++; | |
401 | *t = 0; | |
3b1b01cf | 402 | |
fab80407 AM |
403 | if (0 != strlen (f)) |
404 | { | |
405 | link_info.fini_function = f; | |
406 | } | |
3b1b01cf | 407 | } |
3b1b01cf TR |
408 | break; |
409 | ||
252b5132 RH |
410 | case OPTION_AUTOIMP: |
411 | link_info.static_link = false; | |
412 | break; | |
413 | ||
414 | case OPTION_ERNOTOK: | |
415 | force_make_executable = false; | |
416 | break; | |
417 | ||
418 | case OPTION_EROK: | |
419 | force_make_executable = true; | |
420 | break; | |
421 | ||
422 | case OPTION_EXPORT: | |
423 | gld${EMULATION_NAME}_read_file (optarg, false); | |
424 | break; | |
425 | ||
426 | case OPTION_IMPORT: | |
427 | { | |
428 | struct filelist *n; | |
429 | struct filelist **flpp; | |
430 | ||
431 | n = (struct filelist *) xmalloc (sizeof (struct filelist)); | |
432 | n->next = NULL; | |
433 | n->name = optarg; | |
434 | flpp = &import_files; | |
435 | while (*flpp != NULL) | |
436 | flpp = &(*flpp)->next; | |
437 | *flpp = n; | |
438 | } | |
439 | break; | |
440 | ||
441 | case OPTION_LOADMAP: | |
442 | config.map_filename = optarg; | |
443 | break; | |
444 | ||
445 | case OPTION_MAXDATA: | |
3b1b01cf | 446 | val = strtoull (optarg, &end, 0); |
252b5132 | 447 | if (*end != '\0') |
fab80407 | 448 | einfo ("%P: warning: ignoring invalid -bmaxdata number %s\n", optarg); |
252b5132 RH |
449 | else |
450 | maxdata = val; | |
451 | break; | |
452 | ||
453 | case OPTION_MAXSTACK: | |
3b1b01cf | 454 | val = strtoull (optarg, &end, 0); |
252b5132 | 455 | if (*end != '\0') |
fab80407 | 456 | einfo ("%P: warning: ignoring invalid -bmaxstack number %s\n", optarg); |
252b5132 RH |
457 | else |
458 | maxstack = val; | |
459 | break; | |
460 | ||
461 | case OPTION_MODTYPE: | |
462 | if (*optarg == 'S') | |
463 | { | |
464 | link_info.shared = true; | |
465 | ++optarg; | |
466 | } | |
467 | if (*optarg == '\0' || optarg[1] == '\0') | |
468 | einfo ("%P: warning: ignoring invalid module type %s\n", optarg); | |
469 | else | |
470 | modtype = (*optarg << 8) | optarg[1]; | |
471 | break; | |
472 | ||
473 | case OPTION_NOAUTOIMP: | |
474 | link_info.static_link = true; | |
475 | break; | |
476 | ||
477 | case OPTION_NOSTRCMPCT: | |
478 | link_info.traditional_format = true; | |
479 | break; | |
480 | ||
481 | case OPTION_PD: | |
482 | /* This sets the page that the .data section is supposed to | |
483 | start on. The offset within the page should still be the | |
484 | offset within the file, so we need to build an appropriate | |
485 | expression. */ | |
3b1b01cf | 486 | val = strtoull (optarg, &end, 0); |
252b5132 RH |
487 | if (*end != '\0') |
488 | einfo ("%P: warning: ignoring invalid -pD number %s\n", optarg); | |
489 | else | |
490 | { | |
491 | etree_type *t; | |
492 | ||
493 | t = exp_binop ('+', | |
494 | exp_intop (val), | |
495 | exp_binop ('&', | |
496 | exp_nameop (NAME, "."), | |
497 | exp_intop (0xfff))); | |
498 | t = exp_binop ('&', | |
499 | exp_binop ('+', t, exp_intop (31)), | |
500 | exp_intop (~ (bfd_vma) 31)); | |
501 | lang_section_start (".data", t); | |
502 | } | |
503 | break; | |
504 | ||
505 | case OPTION_PT: | |
506 | /* This set the page that the .text section is supposed to start | |
507 | on. The offset within the page should still be the offset | |
508 | within the file. */ | |
3b1b01cf | 509 | val = strtoull (optarg, &end, 0); |
252b5132 RH |
510 | if (*end != '\0') |
511 | einfo ("%P: warning: ignoring invalid -pT number %s\n", optarg); | |
512 | else | |
513 | { | |
514 | etree_type *t; | |
515 | ||
516 | t = exp_binop ('+', | |
517 | exp_intop (val), | |
518 | exp_nameop (SIZEOF_HEADERS, NULL)); | |
519 | t = exp_binop ('&', | |
520 | exp_binop ('+', t, exp_intop (31)), | |
521 | exp_intop (~ (bfd_vma) 31)); | |
522 | lang_section_start (".text", t); | |
523 | } | |
524 | break; | |
525 | ||
526 | case OPTION_STRCMPCT: | |
527 | link_info.traditional_format = false; | |
528 | break; | |
529 | ||
530 | case OPTION_UNIX: | |
531 | unix_ld = true; | |
532 | break; | |
533 | } | |
534 | ||
535 | return 1; | |
536 | } | |
537 | ||
538 | /* This is called when an input file can not be recognized as a BFD | |
539 | object or an archive. If the file starts with #!, we must treat it | |
540 | as an import file. This is for AIX compatibility. */ | |
541 | ||
542 | static boolean | |
543 | gld${EMULATION_NAME}_unrecognized_file (entry) | |
544 | lang_input_statement_type *entry; | |
545 | { | |
546 | FILE *e; | |
547 | boolean ret; | |
548 | ||
549 | e = fopen (entry->filename, FOPEN_RT); | |
550 | if (e == NULL) | |
551 | return false; | |
552 | ||
553 | ret = false; | |
554 | ||
555 | if (getc (e) == '#' && getc (e) == '!') | |
556 | { | |
557 | struct filelist *n; | |
558 | struct filelist **flpp; | |
559 | ||
560 | n = (struct filelist *) xmalloc (sizeof (struct filelist)); | |
561 | n->next = NULL; | |
562 | n->name = entry->filename; | |
563 | flpp = &import_files; | |
564 | while (*flpp != NULL) | |
565 | flpp = &(*flpp)->next; | |
566 | *flpp = n; | |
567 | ||
568 | ret = true; | |
569 | entry->loaded = true; | |
570 | } | |
571 | ||
572 | fclose (e); | |
573 | ||
574 | return ret; | |
575 | } | |
576 | ||
577 | /* This is called after the input files have been opened. */ | |
578 | ||
579 | static void | |
580 | gld${EMULATION_NAME}_after_open () | |
581 | { | |
582 | boolean r; | |
583 | struct set_info *p; | |
584 | ||
585 | /* Call ldctor_build_sets, after pretending that this is a | |
586 | relocateable link. We do this because AIX requires relocation | |
587 | entries for all references to symbols, even in a final | |
588 | executable. Of course, we only want to do this if we are | |
589 | producing an XCOFF output file. */ | |
590 | r = link_info.relocateable; | |
591 | if (strstr (bfd_get_target (output_bfd), "xcoff") != NULL) | |
592 | link_info.relocateable = true; | |
593 | ldctor_build_sets (); | |
594 | link_info.relocateable = r; | |
595 | ||
596 | /* For each set, record the size, so that the XCOFF backend can | |
597 | output the correct csect length. */ | |
598 | for (p = sets; p != (struct set_info *) NULL; p = p->next) | |
599 | { | |
600 | bfd_size_type size; | |
601 | ||
602 | /* If the symbol is defined, we may have been invoked from | |
603 | collect, and the sets may already have been built, so we do | |
604 | not do anything. */ | |
605 | if (p->h->type == bfd_link_hash_defined | |
606 | || p->h->type == bfd_link_hash_defweak) | |
607 | continue; | |
608 | ||
609 | if (p->reloc != BFD_RELOC_CTOR) | |
610 | { | |
611 | /* Handle this if we need to. */ | |
612 | abort (); | |
613 | } | |
614 | ||
615 | size = (p->count + 2) * 4; | |
616 | if (! bfd_xcoff_link_record_set (output_bfd, &link_info, p->h, size)) | |
617 | einfo ("%F%P: bfd_xcoff_link_record_set failed: %E\n"); | |
618 | } | |
619 | } | |
620 | ||
621 | /* This is called after the sections have been attached to output | |
622 | sections, but before any sizes or addresses have been set. */ | |
623 | ||
624 | static void | |
625 | gld${EMULATION_NAME}_before_allocation () | |
626 | { | |
627 | struct filelist *fl; | |
628 | struct export_symbol_list *el; | |
629 | char *libpath; | |
3b1b01cf | 630 | asection *special_sections[XCOFF_NUMBER_OF_SPECIAL_SECTIONS]; |
252b5132 RH |
631 | int i; |
632 | ||
633 | /* Handle the import and export files, if any. */ | |
634 | for (fl = import_files; fl != NULL; fl = fl->next) | |
635 | gld${EMULATION_NAME}_read_file (fl->name, true); | |
fab80407 AM |
636 | for (el = export_symbols; el != NULL; el = el->next) |
637 | { | |
638 | struct bfd_link_hash_entry *h; | |
639 | ||
640 | h = bfd_link_hash_lookup (link_info.hash, el->name, false, false, false); | |
641 | if (h == NULL) | |
642 | einfo ("%P%F: bfd_link_hash_lookup of export symbol failed: %E\n"); | |
1fdf0249 | 643 | if (! bfd_xcoff_export_symbol (output_bfd, &link_info, h)) |
fab80407 AM |
644 | einfo ("%P%F: bfd_xcoff_export_symbol failed: %E\n"); |
645 | } | |
252b5132 RH |
646 | |
647 | /* Track down all relocations called for by the linker script (these | |
648 | are typically constructor/destructor entries created by | |
649 | CONSTRUCTORS) and let the backend know it will need to create | |
650 | .loader relocs for them. */ | |
651 | lang_for_each_statement (gld${EMULATION_NAME}_find_relocs); | |
652 | ||
653 | /* We need to build LIBPATH from the -L arguments. If any -rpath | |
654 | arguments were used, though, we use -rpath instead, as a GNU | |
655 | extension. */ | |
656 | if (command_line.rpath != NULL) | |
657 | libpath = command_line.rpath; | |
658 | else if (search_head == NULL) | |
659 | libpath = (char *) ""; | |
660 | else | |
661 | { | |
662 | size_t len; | |
663 | search_dirs_type *search; | |
664 | ||
665 | len = strlen (search_head->name); | |
666 | libpath = xmalloc (len + 1); | |
667 | strcpy (libpath, search_head->name); | |
668 | for (search = search_head->next; search != NULL; search = search->next) | |
669 | { | |
670 | size_t nlen; | |
671 | ||
672 | nlen = strlen (search->name); | |
673 | libpath = xrealloc (libpath, len + nlen + 2); | |
674 | libpath[len] = ':'; | |
675 | strcpy (libpath + len + 1, search->name); | |
676 | len += nlen + 1; | |
677 | } | |
678 | } | |
679 | ||
680 | /* Let the XCOFF backend set up the .loader section. */ | |
681 | if (! bfd_xcoff_size_dynamic_sections (output_bfd, &link_info, libpath, | |
682 | entry_symbol, file_align, | |
683 | maxstack, maxdata, | |
684 | gc && ! unix_ld ? true : false, | |
685 | modtype, | |
686 | textro ? true : false, | |
687 | unix_ld, | |
688 | special_sections)) | |
689 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
690 | ||
691 | /* Look through the special sections, and put them in the right | |
692 | place in the link ordering. This is especially magic. */ | |
fab80407 AM |
693 | for (i = 0; i < XCOFF_NUMBER_OF_SPECIAL_SECTIONS; i++) |
694 | { | |
695 | asection *sec; | |
696 | lang_output_section_statement_type *os; | |
697 | lang_statement_union_type **pls; | |
698 | lang_input_section_type *is; | |
699 | const char *oname; | |
700 | boolean start; | |
701 | ||
702 | sec = special_sections[i]; | |
703 | if (sec == NULL) | |
704 | continue; | |
3b1b01cf | 705 | |
fab80407 AM |
706 | /* Remove this section from the list of the output section. |
707 | This assumes we know what the script looks like. */ | |
708 | is = NULL; | |
709 | os = lang_output_section_find (sec->output_section->name); | |
710 | if (os == NULL) { | |
711 | einfo ("%P%F: can't find output section %s\n", | |
712 | sec->output_section->name); | |
3b1b01cf | 713 | } |
fab80407 AM |
714 | |
715 | for (pls = &os->children.head; *pls != NULL; pls = &(*pls)->header.next) | |
716 | { | |
717 | ||
718 | if ((*pls)->header.type == lang_input_section_enum && | |
719 | (*pls)->input_section.section == sec) | |
720 | { | |
721 | is = (lang_input_section_type *) *pls; | |
722 | *pls = (*pls)->header.next; | |
252b5132 | 723 | break; |
fab80407 AM |
724 | } |
725 | ||
726 | if ((*pls)->header.type == lang_wild_statement_enum) | |
727 | { | |
728 | lang_statement_union_type **pwls; | |
729 | ||
730 | for (pwls = &(*pls)->wild_statement.children.head; | |
731 | *pwls != NULL; | |
732 | pwls = &(*pwls)->header.next) | |
733 | { | |
734 | ||
735 | if ((*pwls)->header.type == lang_input_section_enum && | |
736 | (*pwls)->input_section.section == sec) | |
737 | { | |
738 | ||
739 | is = (lang_input_section_type *) *pwls; | |
740 | *pwls = (*pwls)->header.next; | |
741 | break; | |
742 | } | |
743 | } | |
744 | ||
745 | if (is != NULL) | |
746 | break; | |
747 | } | |
748 | } | |
749 | ||
750 | if (is == NULL) | |
751 | { | |
752 | einfo ("%P%F: can't find %s in output section\n", | |
753 | bfd_get_section_name (sec->owner, sec)); | |
3b1b01cf | 754 | } |
fab80407 AM |
755 | |
756 | /* Now figure out where the section should go. */ | |
757 | switch (i) | |
758 | { | |
759 | ||
760 | default: /* to avoid warnings */ | |
761 | case XCOFF_SPECIAL_SECTION_TEXT: | |
762 | /* _text */ | |
763 | oname = ".text"; | |
764 | start = true; | |
3b1b01cf | 765 | break; |
252b5132 | 766 | |
fab80407 AM |
767 | case XCOFF_SPECIAL_SECTION_ETEXT: |
768 | /* _etext */ | |
769 | oname = ".text"; | |
770 | start = false; | |
771 | break; | |
252b5132 | 772 | |
fab80407 AM |
773 | case XCOFF_SPECIAL_SECTION_DATA: |
774 | /* _data */ | |
775 | oname = ".data"; | |
776 | start = true; | |
777 | break; | |
252b5132 | 778 | |
fab80407 AM |
779 | case XCOFF_SPECIAL_SECTION_EDATA: |
780 | /* _edata */ | |
781 | oname = ".data"; | |
782 | start = false; | |
783 | break; | |
784 | ||
785 | case XCOFF_SPECIAL_SECTION_END: | |
786 | case XCOFF_SPECIAL_SECTION_END2: | |
787 | /* _end and end */ | |
788 | oname = ".bss"; | |
789 | start = false; | |
790 | break; | |
791 | } | |
252b5132 | 792 | |
fab80407 | 793 | os = lang_output_section_find (oname); |
252b5132 | 794 | |
fab80407 AM |
795 | if (start) |
796 | { | |
797 | is->header.next = os->children.head; | |
798 | os->children.head = (lang_statement_union_type *) is; | |
799 | } | |
800 | else | |
801 | { | |
802 | is->header.next = NULL; | |
803 | lang_statement_append (&os->children, | |
804 | (lang_statement_union_type *) is, | |
805 | &is->header.next); | |
806 | } | |
3b1b01cf | 807 | } |
3b1b01cf TR |
808 | } |
809 | ||
fab80407 | 810 | static int change_symbol_mode (char *input) |
3b1b01cf TR |
811 | { |
812 | /* | |
813 | * 1 : state changed | |
814 | * 0 : no change | |
815 | */ | |
816 | ||
817 | char *symbol_mode_string[] = { | |
818 | "# 32", /* 0x01 */ | |
819 | "# 64", /* 0x02 */ | |
820 | "# no32", /* 0x04 */ | |
821 | "# no64", /* 0x08 */ | |
822 | NULL, | |
823 | }; | |
824 | unsigned int bit; | |
825 | char *string; | |
826 | ||
fab80407 AM |
827 | for (bit = 0; ; bit++) |
828 | { | |
829 | string = symbol_mode_string[bit]; | |
830 | if (NULL == string) | |
831 | return 0; | |
832 | ||
833 | if (0 == strcmp (input, string)) | |
834 | { | |
835 | symbol_mode = (1 << bit); | |
836 | return 1; | |
837 | } | |
3b1b01cf | 838 | } |
3b1b01cf TR |
839 | /* should not be here */ |
840 | return 0; | |
841 | } | |
842 | ||
1fdf0249 | 843 | static int is_syscall(char *input, unsigned int *flag) |
3b1b01cf TR |
844 | { |
845 | /* | |
846 | * 1 : yes | |
847 | * 0 : ignore | |
848 | * -1 : error, try something else | |
849 | */ | |
850 | unsigned int bit; | |
851 | char *string; | |
1fdf0249 TR |
852 | |
853 | struct sc { | |
854 | char *syscall_string; | |
855 | unsigned int flag; | |
856 | } s [] = { | |
857 | { "svc" /* 0x01 */, XCOFF_SYSCALL32 }, | |
858 | { "svc32" /* 0x02 */, XCOFF_SYSCALL32 }, | |
859 | { "svc3264" /* 0x04 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 }, | |
860 | { "svc64" /* 0x08 */, XCOFF_SYSCALL64 }, | |
861 | { "syscall" /* 0x10 */, XCOFF_SYSCALL32 }, | |
862 | { "syscall32" /* 0x20 */, XCOFF_SYSCALL32 }, | |
863 | { "syscall3264" /* 0x40 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 }, | |
864 | { "syscall64" /* 0x80 */, XCOFF_SYSCALL64 }, | |
865 | { NULL, 0 }, | |
3b1b01cf TR |
866 | }; |
867 | ||
1fdf0249 | 868 | *flag = 0; |
3b1b01cf | 869 | |
1fdf0249 TR |
870 | for (bit = 0; ;bit++) { |
871 | ||
872 | string = s[bit].syscall_string; | |
873 | if (NULL == string) { | |
874 | return -1; | |
875 | } | |
fab80407 | 876 | |
1fdf0249 TR |
877 | if (0 == strcmp(input, string)) { |
878 | if (1 << bit & ${SYSCALL_MASK}) { | |
879 | *flag = s[bit].flag; | |
880 | return 1; | |
881 | } else { | |
882 | return 0; | |
883 | } | |
252b5132 | 884 | } |
1fdf0249 | 885 | } |
3b1b01cf TR |
886 | /* should not be here */ |
887 | return -1; | |
252b5132 RH |
888 | } |
889 | ||
890 | /* Read an import or export file. For an import file, this is called | |
891 | by the before_allocation emulation routine. For an export file, | |
892 | this is called by the parse_args emulation routine. */ | |
893 | ||
894 | static void | |
895 | gld${EMULATION_NAME}_read_file (filename, import) | |
896 | const char *filename; | |
897 | boolean import; | |
898 | { | |
899 | struct obstack *o; | |
900 | FILE *f; | |
901 | int lineno; | |
902 | int c; | |
903 | boolean keep; | |
904 | const char *imppath; | |
905 | const char *impfile; | |
906 | const char *impmember; | |
907 | ||
908 | o = (struct obstack *) xmalloc (sizeof (struct obstack)); | |
909 | obstack_specify_allocation (o, 0, 0, xmalloc, gld${EMULATION_NAME}_free); | |
910 | ||
911 | f = fopen (filename, FOPEN_RT); | |
912 | if (f == NULL) | |
913 | { | |
914 | bfd_set_error (bfd_error_system_call); | |
915 | einfo ("%F%s: %E\n", filename); | |
916 | } | |
917 | ||
918 | keep = false; | |
919 | ||
920 | imppath = NULL; | |
921 | impfile = NULL; | |
922 | impmember = NULL; | |
923 | ||
924 | lineno = 0; | |
3b1b01cf | 925 | |
fab80407 | 926 | /* |
3b1b01cf TR |
927 | * default to 32 and 64 bit mode |
928 | * symbols at top of /lib/syscalls.exp do not have a mode modifier and they | |
929 | * are not repeated, assume 64 bit routines also want to use them. | |
930 | * See the routine change_symbol_mode for more information. | |
931 | */ | |
932 | symbol_mode = 0x04; | |
933 | ||
252b5132 RH |
934 | while ((c = getc (f)) != EOF) |
935 | { | |
936 | char *s; | |
937 | char *symname; | |
1fdf0249 | 938 | unsigned int syscall_flag = 0; |
252b5132 RH |
939 | bfd_vma address; |
940 | struct bfd_link_hash_entry *h; | |
941 | ||
942 | if (c != '\n') | |
943 | { | |
944 | obstack_1grow (o, c); | |
945 | continue; | |
946 | } | |
947 | ||
948 | obstack_1grow (o, '\0'); | |
949 | ++lineno; | |
950 | ||
951 | s = (char *) obstack_base (o); | |
3882b010 | 952 | while (ISSPACE (*s)) |
252b5132 | 953 | ++s; |
fab80407 AM |
954 | if (*s == '\0' |
955 | || *s == '*' | |
956 | || change_symbol_mode (s) | |
957 | || (*s == '#' && s[1] == ' ') | |
958 | || (! import && *s == '#' && s[1] == '!')) | |
252b5132 RH |
959 | { |
960 | obstack_free (o, obstack_base (o)); | |
961 | continue; | |
962 | } | |
963 | ||
964 | if (*s == '#' && s[1] == '!') | |
965 | { | |
966 | s += 2; | |
3882b010 | 967 | while (ISSPACE (*s)) |
252b5132 RH |
968 | ++s; |
969 | if (*s == '\0') | |
970 | { | |
971 | imppath = NULL; | |
972 | impfile = NULL; | |
973 | impmember = NULL; | |
974 | obstack_free (o, obstack_base (o)); | |
975 | } | |
976 | else if (*s == '(') | |
977 | einfo ("%F%s%d: #! ([member]) is not supported in import files\n", | |
978 | filename, lineno); | |
979 | else | |
980 | { | |
981 | char cs; | |
982 | char *file; | |
983 | ||
984 | (void) obstack_finish (o); | |
985 | keep = true; | |
986 | imppath = s; | |
987 | file = NULL; | |
3882b010 L |
988 | while (! ISSPACE (*s) |
989 | && *s != '(' && *s != '\0') | |
252b5132 RH |
990 | { |
991 | if (*s == '/') | |
992 | file = s + 1; | |
993 | ++s; | |
994 | } | |
995 | if (file != NULL) | |
996 | { | |
997 | file[-1] = '\0'; | |
998 | impfile = file; | |
999 | if (imppath == file - 1) | |
1000 | imppath = "/"; | |
1001 | } | |
1002 | else | |
1003 | { | |
1004 | impfile = imppath; | |
1005 | imppath = ""; | |
1006 | } | |
1007 | cs = *s; | |
1008 | *s = '\0'; | |
3882b010 | 1009 | while (ISSPACE (cs)) |
252b5132 RH |
1010 | { |
1011 | ++s; | |
1012 | cs = *s; | |
1013 | } | |
1014 | if (cs != '(') | |
1015 | { | |
1016 | impmember = ""; | |
1017 | if (cs != '\0') | |
1018 | einfo ("%s:%d: warning: syntax error in import file\n", | |
1019 | filename, lineno); | |
1020 | } | |
1021 | else | |
1022 | { | |
1023 | ++s; | |
1024 | impmember = s; | |
1025 | while (*s != ')' && *s != '\0') | |
1026 | ++s; | |
1027 | if (*s == ')') | |
1028 | *s = '\0'; | |
1029 | else | |
1030 | einfo ("%s:%d: warning: syntax error in import file\n", | |
1031 | filename, lineno); | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | continue; | |
1036 | } | |
1037 | ||
fab80407 AM |
1038 | if (symbol_mode & ${SYMBOL_MODE_MASK}) |
1039 | { | |
1040 | /* This is a symbol to be imported or exported. */ | |
1041 | symname = s; | |
1fdf0249 | 1042 | syscall_flag = 0; |
fab80407 AM |
1043 | address = (bfd_vma) -1; |
1044 | ||
3882b010 | 1045 | while (! ISSPACE (*s) && *s != '\0') |
fab80407 AM |
1046 | ++s; |
1047 | if (*s != '\0') | |
1048 | { | |
1049 | char *se; | |
3b1b01cf | 1050 | |
fab80407 | 1051 | *s++ = '\0'; |
3b1b01cf | 1052 | |
3882b010 | 1053 | while (ISSPACE (*s)) |
fab80407 AM |
1054 | ++s; |
1055 | ||
1056 | se = s; | |
3882b010 | 1057 | while (! ISSPACE (*se) && *se != '\0') |
fab80407 AM |
1058 | ++se; |
1059 | if (*se != '\0') | |
1060 | { | |
1061 | *se++ = '\0'; | |
3882b010 | 1062 | while (ISSPACE (*se)) |
fab80407 AM |
1063 | ++se; |
1064 | if (*se != '\0') | |
1065 | einfo ("%s%d: warning: syntax error in import/export file\n", | |
1066 | filename, lineno); | |
1067 | } | |
1068 | ||
1069 | if (s != se) | |
1070 | { | |
1071 | int status; | |
1072 | char *end; | |
1073 | ||
1fdf0249 TR |
1074 | status = is_syscall(s, &syscall_flag); |
1075 | ||
1076 | if (0 > status) { | |
1077 | /* not a system call, check for address */ | |
1078 | address = strtoul (s, &end, 0); | |
1079 | ||
1080 | /* not a system call, check for address */ | |
1081 | address = strtoul (s, &end, 0); | |
1082 | if (*end != '\0') | |
1083 | { | |
1084 | einfo ("%s:%d: warning: syntax error in import/export file\n", | |
1085 | filename, lineno); | |
1086 | ||
1087 | } | |
1088 | } | |
3b1b01cf | 1089 | } |
252b5132 | 1090 | } |
3b1b01cf | 1091 | |
fab80407 AM |
1092 | if (! import) |
1093 | { | |
1094 | struct export_symbol_list *n; | |
1095 | ||
1096 | ldlang_add_undef (symname); | |
1097 | n = ((struct export_symbol_list *) | |
1098 | xmalloc (sizeof (struct export_symbol_list))); | |
1099 | n->next = export_symbols; | |
1100 | n->name = xstrdup (symname); | |
fab80407 AM |
1101 | export_symbols = n; |
1102 | } | |
1103 | else | |
1104 | { | |
1105 | h = bfd_link_hash_lookup (link_info.hash, symname, false, false, | |
1106 | true); | |
1107 | if (h == NULL || h->type == bfd_link_hash_new) | |
1108 | { | |
1109 | /* We can just ignore attempts to import an unreferenced | |
1110 | symbol. */ | |
1111 | } | |
1112 | else | |
1113 | { | |
1114 | if (! bfd_xcoff_import_symbol (output_bfd, &link_info, h, | |
1115 | address, imppath, impfile, | |
1fdf0249 | 1116 | impmember, syscall_flag)) |
fab80407 AM |
1117 | einfo ("%X%s:%d: failed to import symbol %s: %E\n", |
1118 | filename, lineno, symname); | |
1119 | } | |
1120 | } | |
1121 | } | |
252b5132 RH |
1122 | obstack_free (o, obstack_base (o)); |
1123 | } | |
fab80407 | 1124 | |
252b5132 RH |
1125 | if (obstack_object_size (o) > 0) |
1126 | { | |
fab80407 AM |
1127 | einfo ("%s:%d: warning: ignoring unterminated last line\n", |
1128 | filename, lineno); | |
1129 | obstack_free (o, obstack_base (o)); | |
1130 | } | |
252b5132 | 1131 | |
fab80407 AM |
1132 | if (! keep) |
1133 | { | |
1134 | obstack_free (o, NULL); | |
1135 | free (o); | |
252b5132 | 1136 | } |
fab80407 | 1137 | } |
252b5132 RH |
1138 | |
1139 | /* This routine saves us from worrying about declaring free. */ | |
1140 | ||
1141 | static void | |
1142 | gld${EMULATION_NAME}_free (p) | |
1143 | PTR p; | |
1144 | { | |
1145 | free (p); | |
1146 | } | |
1147 | ||
1148 | /* This is called by the before_allocation routine via | |
1149 | lang_for_each_statement. It looks for relocations and assignments | |
1150 | to symbols. */ | |
1151 | ||
1152 | static void | |
1153 | gld${EMULATION_NAME}_find_relocs (s) | |
1154 | lang_statement_union_type *s; | |
1155 | { | |
1156 | if (s->header.type == lang_reloc_statement_enum) | |
1157 | { | |
1158 | lang_reloc_statement_type *rs; | |
1159 | ||
1160 | rs = &s->reloc_statement; | |
1161 | if (rs->name == NULL) | |
1162 | einfo ("%F%P: only relocations against symbols are permitted\n"); | |
1163 | if (! bfd_xcoff_link_count_reloc (output_bfd, &link_info, rs->name)) | |
1164 | einfo ("%F%P: bfd_xcoff_link_count_reloc failed: %E\n"); | |
1165 | } | |
1166 | ||
1167 | if (s->header.type == lang_assignment_statement_enum) | |
1168 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
1169 | } | |
1170 | ||
1171 | /* Look through an expression for an assignment statement. */ | |
1172 | ||
1173 | static void | |
1174 | gld${EMULATION_NAME}_find_exp_assignment (exp) | |
1175 | etree_type *exp; | |
1176 | { | |
1177 | struct bfd_link_hash_entry *h; | |
1178 | ||
1179 | switch (exp->type.node_class) | |
1180 | { | |
1181 | case etree_provide: | |
1182 | h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst, | |
1183 | false, false, false); | |
1184 | if (h == NULL) | |
1185 | break; | |
1186 | /* Fall through. */ | |
1187 | case etree_assign: | |
1188 | if (strcmp (exp->assign.dst, ".") != 0) | |
1189 | { | |
1190 | if (! bfd_xcoff_record_link_assignment (output_bfd, &link_info, | |
1191 | exp->assign.dst)) | |
1192 | einfo ("%P%F: failed to record assignment to %s: %E\n", | |
1193 | exp->assign.dst); | |
1194 | } | |
1195 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); | |
1196 | break; | |
1197 | ||
1198 | case etree_binary: | |
1199 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
1200 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
1201 | break; | |
1202 | ||
1203 | case etree_trinary: | |
1204 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
1205 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
1206 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
1207 | break; | |
1208 | ||
1209 | case etree_unary: | |
1210 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
1211 | break; | |
1212 | ||
1213 | default: | |
1214 | break; | |
1215 | } | |
1216 | } | |
1217 | ||
1218 | static char * | |
fab80407 | 1219 | gld${EMULATION_NAME}_get_script (isfile) |
252b5132 RH |
1220 | int *isfile; |
1221 | EOF | |
1222 | ||
1223 | if test -n "$COMPILE_IN" | |
1224 | then | |
1225 | # Scripts compiled in. | |
1226 | ||
1227 | # sed commands to quote an ld script as a C string. | |
5f642101 | 1228 | sc="-f ${srcdir}/emultempl/ostring.sed" |
252b5132 RH |
1229 | |
1230 | cat >>e${EMULATION_NAME}.c <<EOF | |
fab80407 | 1231 | { |
252b5132 RH |
1232 | *isfile = 0; |
1233 | ||
1234 | if (link_info.relocateable == true && config.build_constructors == true) | |
1235 | return | |
1236 | EOF | |
1237 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c | |
1238 | echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c | |
1239 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1240 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1241 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
1242 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
1243 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
1244 | echo ' ; else return' >> e${EMULATION_NAME}.c | |
1245 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1246 | echo '; }' >> e${EMULATION_NAME}.c | |
1247 | ||
1248 | else | |
1249 | # Scripts read from the filesystem. | |
1250 | ||
1251 | cat >>e${EMULATION_NAME}.c <<EOF | |
fab80407 | 1252 | { |
252b5132 RH |
1253 | *isfile = 1; |
1254 | ||
1255 | if (link_info.relocateable == true && config.build_constructors == true) | |
1256 | return "ldscripts/${EMULATION_NAME}.xu"; | |
1257 | else if (link_info.relocateable == true) | |
1258 | return "ldscripts/${EMULATION_NAME}.xr"; | |
1259 | else if (!config.text_read_only) | |
1260 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
1261 | else if (!config.magic_demand_paged) | |
1262 | return "ldscripts/${EMULATION_NAME}.xn"; | |
1263 | else | |
1264 | return "ldscripts/${EMULATION_NAME}.x"; | |
1265 | } | |
1266 | EOF | |
1267 | ||
1268 | fi | |
1269 | ||
1270 | cat >>e${EMULATION_NAME}.c <<EOF | |
1271 | ||
fab80407 | 1272 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 RH |
1273 | { |
1274 | gld${EMULATION_NAME}_before_parse, | |
1275 | syslib_default, | |
1276 | hll_default, | |
1277 | after_parse_default, | |
1278 | gld${EMULATION_NAME}_after_open, | |
1279 | after_allocation_default, | |
1280 | set_output_arch_default, | |
1281 | ldemul_default_target, | |
1282 | gld${EMULATION_NAME}_before_allocation, | |
1283 | gld${EMULATION_NAME}_get_script, | |
1284 | "${EMULATION_NAME}", | |
1285 | "${OUTPUT_FORMAT}", | |
1286 | 0, /* finish */ | |
1287 | 0, /* create_output_section_statements */ | |
1288 | 0, /* open_dynamic_archive */ | |
1289 | 0, /* place_orphan */ | |
1290 | 0, /* set_symbols */ | |
1291 | gld${EMULATION_NAME}_parse_args, | |
40d109bf | 1292 | gld${EMULATION_NAME}_unrecognized_file, |
3b1b01cf TR |
1293 | NULL, /* list_options */ |
1294 | NULL, /* recognized_file */ | |
1295 | NULL, /* find potential_libraries */ | |
252b5132 RH |
1296 | }; |
1297 | EOF |