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Commit | Line | Data |
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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 ${EMULATION_NAME} | |
3bcf5557 | 12 | Copyright 1991, 1993, 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003 |
8529105a | 13 | Free Software Foundation, Inc. |
252b5132 RH |
14 | Written by Steve Chamberlain <sac@cygnus.com> |
15 | AIX support by Ian Lance Taylor <ian@cygnus.com> | |
3b1b01cf | 16 | AIX 64 bit support by Tom Rix <trix@redhat.com> |
252b5132 RH |
17 | |
18 | This file is part of GLD, the Gnu Linker. | |
19 | ||
20 | This program is free software; you can redistribute it and/or modify | |
21 | it under the terms of the GNU General Public License as published by | |
22 | the Free Software Foundation; either version 2 of the License, or | |
23 | (at your option) any later version. | |
24 | ||
25 | This program is distributed in the hope that it will be useful, | |
26 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
27 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
28 | GNU General Public License for more details. | |
29 | ||
30 | You should have received a copy of the GNU General Public License | |
31 | along with this program; if not, write to the Free Software | |
32 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
33 | ||
34 | #define TARGET_IS_${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 | 51 | #include "ldctor.h" |
df2a7313 | 52 | #include <ldgram.h> |
252b5132 | 53 | |
3b1b01cf TR |
54 | #include "coff/internal.h" |
55 | #include "coff/xcoff.h" | |
f1f0d9ab TR |
56 | #include "libcoff.h" |
57 | #include "libxcoff.h" | |
3b1b01cf | 58 | |
b34976b6 AM |
59 | static void gld${EMULATION_NAME}_before_parse |
60 | PARAMS ((void)); | |
3bcf5557 | 61 | static bfd_boolean gld${EMULATION_NAME}_parse_args |
b34976b6 | 62 | PARAMS ((int, char **)); |
3bcf5557 AM |
63 | static void gld${EMULATION_NAME}_add_options |
64 | PARAMS ((int, char **, int, struct option **, int, struct option **)); | |
65 | static bfd_boolean gld${EMULATION_NAME}_handle_option | |
66 | PARAMS ((int)); | |
b34976b6 AM |
67 | static void gld${EMULATION_NAME}_after_open |
68 | PARAMS ((void)); | |
69 | static char *gld${EMULATION_NAME}_choose_target | |
70 | PARAMS ((int, char **)); | |
71 | static void gld${EMULATION_NAME}_before_allocation | |
72 | PARAMS ((void)); | |
73 | static void gld${EMULATION_NAME}_read_file | |
74 | PARAMS ((const char *, bfd_boolean)); | |
75 | static void gld${EMULATION_NAME}_free | |
76 | PARAMS ((PTR)); | |
7fc44b9c | 77 | static void gld${EMULATION_NAME}_find_relocs |
b34976b6 AM |
78 | PARAMS ((lang_statement_union_type *)); |
79 | static void gld${EMULATION_NAME}_find_exp_assignment | |
80 | PARAMS ((etree_type *)); | |
81 | static char *gld${EMULATION_NAME}_get_script | |
82 | PARAMS ((int *isfile)); | |
83 | static bfd_boolean gld${EMULATION_NAME}_unrecognized_file | |
48f6162b | 84 | PARAMS ((lang_input_statement_type *)); |
7fc44b9c | 85 | static void gld${EMULATION_NAME}_create_output_section_statements |
f1f0d9ab | 86 | PARAMS ((void)); |
b34976b6 AM |
87 | static void gld${EMULATION_NAME}_set_output_arch |
88 | PARAMS ((void)); | |
89 | static int is_syscall | |
90 | PARAMS ((char *, unsigned int *)); | |
91 | static int change_symbol_mode | |
92 | PARAMS ((char *)); | |
252b5132 RH |
93 | |
94 | /* The file alignment required for each section. */ | |
95 | static unsigned long file_align; | |
96 | ||
97 | /* The maximum size the stack is permitted to grow. This is stored in | |
98 | the a.out header. */ | |
99 | static unsigned long maxstack; | |
100 | ||
101 | /* The maximum data size. This is stored in the a.out header. */ | |
102 | static unsigned long maxdata; | |
103 | ||
104 | /* Whether to perform garbage collection. */ | |
105 | static int gc = 1; | |
106 | ||
107 | /* The module type to use. */ | |
108 | static unsigned short modtype = ('1' << 8) | 'L'; | |
109 | ||
110 | /* Whether the .text section must be read-only (i.e., no relocs | |
111 | permitted). */ | |
112 | static int textro; | |
113 | ||
114 | /* Whether to implement Unix like linker semantics. */ | |
115 | static int unix_ld; | |
116 | ||
117 | /* Structure used to hold import file list. */ | |
118 | ||
119 | struct filelist | |
120 | { | |
121 | struct filelist *next; | |
122 | const char *name; | |
123 | }; | |
124 | ||
125 | /* List of import files. */ | |
126 | static struct filelist *import_files; | |
127 | ||
128 | /* List of export symbols read from the export files. */ | |
129 | ||
130 | struct export_symbol_list | |
131 | { | |
132 | struct export_symbol_list *next; | |
133 | const char *name; | |
252b5132 RH |
134 | }; |
135 | ||
136 | static struct export_symbol_list *export_symbols; | |
137 | ||
3b1b01cf TR |
138 | /* Maintains the 32 or 64 bit mode state of import file */ |
139 | static unsigned int symbol_mode = 0x04; | |
140 | ||
742aeb63 TR |
141 | /* Which symbol modes are valid */ |
142 | static unsigned int symbol_mode_mask = 0x0d; | |
143 | ||
144 | /* Whether this is a 64 bit link */ | |
145 | static int is_64bit = 0; | |
146 | ||
147 | /* Which syscalls from import file are valid */ | |
148 | static unsigned int syscall_mask = 0x77; | |
149 | ||
9a4c7f16 TR |
150 | /* fake file for -binitfini support */ |
151 | static lang_input_statement_type *initfini_file; | |
69f284c7 | 152 | |
7fc44b9c | 153 | /* Whether to do run time linking |
ca10c62d | 154 | -brtl enables, -bnortl and -bnortllib disable. */ |
f1f0d9ab | 155 | static int rtld; |
69f284c7 | 156 | |
aa67bccf TR |
157 | /* Explicit command line library path, -blibpath */ |
158 | static char *command_line_blibpath = NULL; | |
159 | ||
252b5132 RH |
160 | /* This routine is called before anything else is done. */ |
161 | ||
162 | static void | |
fab80407 | 163 | gld${EMULATION_NAME}_before_parse () |
252b5132 | 164 | { |
7fc44b9c AM |
165 | const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}"); |
166 | if (arch) | |
167 | { | |
168 | ldfile_output_architecture = arch->arch; | |
169 | ldfile_output_machine = arch->mach; | |
170 | ldfile_output_machine_name = arch->printable_name; | |
171 | } | |
172 | else | |
173 | ldfile_output_architecture = bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`; | |
f1f0d9ab | 174 | |
b34976b6 | 175 | config.has_shared = TRUE; |
3b1b01cf | 176 | |
9a4c7f16 TR |
177 | /* The link_info.[init|fini]_functions are initialized in ld/lexsup.c. |
178 | Override them here so we can use the link_info.init_function as a | |
7fc44b9c | 179 | state flag that lets the backend know that -binitfini has been done. */ |
9a4c7f16 | 180 | |
3b1b01cf TR |
181 | link_info.init_function = NULL; |
182 | link_info.fini_function = NULL; | |
252b5132 RH |
183 | } |
184 | ||
185 | /* Handle AIX specific options. */ | |
186 | ||
3bcf5557 | 187 | enum |
249172c3 | 188 | { |
3b1b01cf | 189 | OPTION_IGNORE = 300, |
fab80407 AM |
190 | OPTION_AUTOIMP, |
191 | OPTION_ERNOTOK, | |
192 | OPTION_EROK, | |
193 | OPTION_EXPORT, | |
194 | OPTION_IMPORT, | |
195 | OPTION_INITFINI, | |
196 | OPTION_LOADMAP, | |
197 | OPTION_MAXDATA, | |
198 | OPTION_MAXSTACK, | |
199 | OPTION_MODTYPE, | |
200 | OPTION_NOAUTOIMP, | |
201 | OPTION_NOSTRCMPCT, | |
202 | OPTION_PD, | |
203 | OPTION_PT, | |
204 | OPTION_STRCMPCT, | |
742aeb63 TR |
205 | OPTION_UNIX, |
206 | OPTION_32, | |
207 | OPTION_64, | |
aa67bccf TR |
208 | OPTION_LIBPATH, |
209 | OPTION_NOLIBPATH, | |
3b1b01cf TR |
210 | }; |
211 | ||
3bcf5557 AM |
212 | static void |
213 | gld${EMULATION_NAME}_add_options (ns, shortopts, nl, longopts, nrl, really_longopts) | |
214 | int ns; | |
215 | char **shortopts; | |
216 | int nl; | |
217 | struct option **longopts; | |
218 | int nrl ATTRIBUTE_UNUSED; | |
219 | struct option **really_longopts ATTRIBUTE_UNUSED; | |
220 | { | |
221 | static const char xtra_short[] = "D:H:KT:z"; | |
222 | static const struct option xtra_long[] = { | |
9a4c7f16 TR |
223 | /* -binitfini has special handling in the linker backend. The native linker |
224 | uses the arguemnts to generate a table of init and fini functions for | |
225 | the executable. The important use for this option is to support aix 4.2+ | |
226 | c++ constructors and destructors. This is tied into gcc via collect2.c. | |
7fc44b9c | 227 | |
9a4c7f16 TR |
228 | The function table is accessed by the runtime linker/loader by checking if |
229 | the first symbol in the loader symbol table is __rtinit. The gnu linker | |
230 | generates this symbol and makes it the first loader symbol. */ | |
3b1b01cf | 231 | |
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}, | |
69f284c7 | 267 | {"brtl", no_argument, &rtld, 1}, |
ca10c62d TR |
268 | {"bnortl", no_argument, &rtld, 0}, |
269 | {"bnortllib", no_argument, &rtld, 0}, | |
252b5132 RH |
270 | {"bS", required_argument, NULL, OPTION_MAXSTACK}, |
271 | {"bso", no_argument, NULL, OPTION_AUTOIMP}, | |
272 | {"bstrcmpct", no_argument, NULL, OPTION_STRCMPCT}, | |
273 | {"btextro", no_argument, &textro, 1}, | |
742aeb63 TR |
274 | {"b32", no_argument, NULL, OPTION_32}, |
275 | {"b64", no_argument, NULL, OPTION_64}, | |
252b5132 RH |
276 | {"static", no_argument, NULL, OPTION_NOAUTOIMP}, |
277 | {"unix", no_argument, NULL, OPTION_UNIX}, | |
aa67bccf TR |
278 | {"blibpath", required_argument, NULL, OPTION_LIBPATH}, |
279 | {"bnolibpath", required_argument, NULL, OPTION_NOLIBPATH}, | |
252b5132 RH |
280 | {NULL, no_argument, NULL, 0} |
281 | }; | |
282 | ||
283 | /* Options supported by the AIX linker which we do not support: -f, | |
284 | -S, -v, -Z, -bbindcmds, -bbinder, -bbindopts, -bcalls, -bcaps, | |
285 | -bcror15, -bdebugopt, -bdbg, -bdelcsect, -bex?, -bfilelist, -bfl, | |
286 | -bgcbypass, -bglink, -binsert, -bi, -bloadmap, -bl, -bmap, -bnl, | |
287 | -bnobind, -bnocomprld, -bnocrld, -bnoerrmsg, -bnoglink, | |
288 | -bnoloadmap, -bnl, -bnoobjreorder, -bnoquiet, -bnoreorder, | |
289 | -bnotypchk, -bnox, -bquiet, -bR, -brename, -breorder, -btypchk, | |
290 | -bx, -bX, -bxref. */ | |
291 | ||
3bcf5557 AM |
292 | *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short)); |
293 | memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short)); | |
294 | *longopts = (struct option *) | |
295 | xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
296 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); | |
297 | } | |
298 | ||
299 | static bfd_boolean | |
300 | gld${EMULATION_NAME}_parse_args (argc, argv) | |
301 | int argc; | |
302 | char **argv; | |
303 | { | |
304 | int indx; | |
305 | ||
252b5132 RH |
306 | /* If the current option starts with -b, change the first : to an =. |
307 | The AIX linker uses : to separate the option from the argument; | |
308 | changing it to = lets us treat it as a getopt option. */ | |
309 | indx = optind; | |
fab80407 | 310 | if (indx == 0) |
249172c3 | 311 | indx = 1; |
fab80407 AM |
312 | |
313 | if (indx < argc && strncmp (argv[indx], "-b", 2) == 0) | |
314 | { | |
315 | char *s; | |
316 | ||
317 | for (s = argv[indx]; *s != '\0'; s++) | |
318 | { | |
319 | if (*s == ':') | |
320 | { | |
321 | *s = '='; | |
322 | break; | |
323 | } | |
324 | } | |
252b5132 | 325 | } |
3bcf5557 AM |
326 | return FALSE; |
327 | } | |
3b1b01cf | 328 | |
3bcf5557 AM |
329 | static bfd_boolean |
330 | gld${EMULATION_NAME}_handle_option (optc) | |
331 | int optc; | |
332 | { | |
333 | bfd_signed_vma val; | |
334 | const char *end; | |
252b5132 RH |
335 | |
336 | switch (optc) | |
337 | { | |
252b5132 | 338 | default: |
3bcf5557 | 339 | return FALSE; |
252b5132 RH |
340 | |
341 | case 0: | |
342 | /* Long option which just sets a flag. */ | |
343 | break; | |
344 | ||
345 | case 'D': | |
c89e8944 | 346 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 RH |
347 | if (*end != '\0') |
348 | einfo ("%P: warning: ignoring invalid -D number %s\n", optarg); | |
349 | else if (val != -1) | |
350 | lang_section_start (".data", exp_intop (val)); | |
351 | break; | |
352 | ||
353 | case 'H': | |
c89e8944 | 354 | val = bfd_scan_vma (optarg, &end, 0); |
249172c3 | 355 | if (*end != '\0' || (val & (val - 1)) != 0) |
252b5132 RH |
356 | einfo ("%P: warning: ignoring invalid -H number %s\n", optarg); |
357 | else | |
358 | file_align = val; | |
359 | break; | |
360 | ||
361 | case 'K': | |
362 | case 'z': | |
363 | /* FIXME: This should use the page size for the target system. */ | |
364 | file_align = 4096; | |
365 | break; | |
366 | ||
367 | case 'T': | |
368 | /* On AIX this is the same as GNU ld -Ttext. When we see -T | |
7fc44b9c AM |
369 | number, we assume the AIX option is intended. Otherwise, we |
370 | assume the usual GNU ld -T option is intended. We can't just | |
371 | ignore the AIX option, because gcc passes it to the linker. */ | |
c89e8944 | 372 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 | 373 | if (*end != '\0') |
3bcf5557 | 374 | return FALSE; |
252b5132 RH |
375 | lang_section_start (".text", exp_intop (val)); |
376 | break; | |
377 | ||
378 | case OPTION_IGNORE: | |
379 | break; | |
380 | ||
fab80407 AM |
381 | case OPTION_INITFINI: |
382 | { | |
383 | /* | |
384 | * The aix linker init fini has the format : | |
385 | * | |
386 | * -binitfini:[ Initial][:Termination][:Priority] | |
387 | * | |
388 | * it allows the Termination and Priority to be optional. | |
389 | * | |
390 | * Since we support only one init/fini pair, we ignore the Priority. | |
391 | * | |
392 | * Define the special symbol __rtinit. | |
393 | * | |
394 | * strtok does not correctly handle the case of -binitfini::fini: so | |
395 | * do it by hand | |
396 | */ | |
397 | char *t, *i, *f; | |
398 | ||
399 | i = t = optarg; | |
400 | while (*t && ':' != *t) | |
401 | t++; | |
402 | if (*t) | |
403 | *t++ = 0; | |
404 | ||
405 | if (0 != strlen (i)) | |
249172c3 | 406 | link_info.init_function = i; |
3b1b01cf | 407 | |
fab80407 AM |
408 | f = t; |
409 | while (*t && ':' != *t) | |
410 | t++; | |
411 | *t = 0; | |
3b1b01cf | 412 | |
fab80407 | 413 | if (0 != strlen (f)) |
249172c3 | 414 | link_info.fini_function = f; |
3b1b01cf | 415 | } |
249172c3 | 416 | break; |
7fc44b9c | 417 | |
252b5132 | 418 | case OPTION_AUTOIMP: |
b34976b6 | 419 | link_info.static_link = FALSE; |
252b5132 RH |
420 | break; |
421 | ||
422 | case OPTION_ERNOTOK: | |
b34976b6 | 423 | force_make_executable = FALSE; |
252b5132 RH |
424 | break; |
425 | ||
426 | case OPTION_EROK: | |
b34976b6 | 427 | force_make_executable = TRUE; |
252b5132 RH |
428 | break; |
429 | ||
430 | case OPTION_EXPORT: | |
b34976b6 | 431 | gld${EMULATION_NAME}_read_file (optarg, FALSE); |
252b5132 RH |
432 | break; |
433 | ||
434 | case OPTION_IMPORT: | |
435 | { | |
436 | struct filelist *n; | |
437 | struct filelist **flpp; | |
438 | ||
439 | n = (struct filelist *) xmalloc (sizeof (struct filelist)); | |
440 | n->next = NULL; | |
441 | n->name = optarg; | |
442 | flpp = &import_files; | |
443 | while (*flpp != NULL) | |
444 | flpp = &(*flpp)->next; | |
445 | *flpp = n; | |
446 | } | |
447 | break; | |
448 | ||
449 | case OPTION_LOADMAP: | |
450 | config.map_filename = optarg; | |
451 | break; | |
452 | ||
453 | case OPTION_MAXDATA: | |
c89e8944 | 454 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 | 455 | if (*end != '\0') |
fab80407 | 456 | einfo ("%P: warning: ignoring invalid -bmaxdata number %s\n", optarg); |
252b5132 RH |
457 | else |
458 | maxdata = val; | |
459 | break; | |
460 | ||
461 | case OPTION_MAXSTACK: | |
c89e8944 | 462 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 | 463 | if (*end != '\0') |
7fc44b9c | 464 | einfo ("%P: warning: ignoring invalid -bmaxstack number %s\n", |
249172c3 | 465 | optarg); |
252b5132 RH |
466 | else |
467 | maxstack = val; | |
468 | break; | |
469 | ||
470 | case OPTION_MODTYPE: | |
471 | if (*optarg == 'S') | |
472 | { | |
b34976b6 | 473 | link_info.shared = TRUE; |
252b5132 RH |
474 | ++optarg; |
475 | } | |
476 | if (*optarg == '\0' || optarg[1] == '\0') | |
477 | einfo ("%P: warning: ignoring invalid module type %s\n", optarg); | |
478 | else | |
479 | modtype = (*optarg << 8) | optarg[1]; | |
480 | break; | |
481 | ||
482 | case OPTION_NOAUTOIMP: | |
b34976b6 | 483 | link_info.static_link = TRUE; |
252b5132 RH |
484 | break; |
485 | ||
486 | case OPTION_NOSTRCMPCT: | |
b34976b6 | 487 | link_info.traditional_format = TRUE; |
252b5132 RH |
488 | break; |
489 | ||
490 | case OPTION_PD: | |
491 | /* This sets the page that the .data section is supposed to | |
7fc44b9c AM |
492 | start on. The offset within the page should still be the |
493 | offset within the file, so we need to build an appropriate | |
494 | expression. */ | |
c89e8944 | 495 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 RH |
496 | if (*end != '\0') |
497 | einfo ("%P: warning: ignoring invalid -pD number %s\n", optarg); | |
498 | else | |
499 | { | |
500 | etree_type *t; | |
501 | ||
502 | t = exp_binop ('+', | |
503 | exp_intop (val), | |
504 | exp_binop ('&', | |
505 | exp_nameop (NAME, "."), | |
506 | exp_intop (0xfff))); | |
507 | t = exp_binop ('&', | |
508 | exp_binop ('+', t, exp_intop (31)), | |
249172c3 | 509 | exp_intop (~(bfd_vma) 31)); |
252b5132 RH |
510 | lang_section_start (".data", t); |
511 | } | |
512 | break; | |
513 | ||
514 | case OPTION_PT: | |
515 | /* This set the page that the .text section is supposed to start | |
7fc44b9c AM |
516 | on. The offset within the page should still be the offset |
517 | within the file. */ | |
c89e8944 | 518 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 RH |
519 | if (*end != '\0') |
520 | einfo ("%P: warning: ignoring invalid -pT number %s\n", optarg); | |
521 | else | |
522 | { | |
523 | etree_type *t; | |
524 | ||
525 | t = exp_binop ('+', | |
526 | exp_intop (val), | |
527 | exp_nameop (SIZEOF_HEADERS, NULL)); | |
528 | t = exp_binop ('&', | |
529 | exp_binop ('+', t, exp_intop (31)), | |
249172c3 | 530 | exp_intop (~(bfd_vma) 31)); |
252b5132 RH |
531 | lang_section_start (".text", t); |
532 | } | |
533 | break; | |
534 | ||
535 | case OPTION_STRCMPCT: | |
b34976b6 | 536 | link_info.traditional_format = FALSE; |
252b5132 RH |
537 | break; |
538 | ||
539 | case OPTION_UNIX: | |
b34976b6 | 540 | unix_ld = TRUE; |
252b5132 | 541 | break; |
742aeb63 TR |
542 | |
543 | case OPTION_32: | |
544 | is_64bit = 0; | |
545 | syscall_mask = 0x77; | |
546 | symbol_mode_mask = 0x0d; | |
547 | break; | |
548 | ||
549 | case OPTION_64: | |
550 | is_64bit = 1; | |
551 | syscall_mask = 0xcc; | |
552 | symbol_mode_mask = 0x0e; | |
553 | break; | |
554 | ||
aa67bccf | 555 | case OPTION_LIBPATH: |
cc7e59b2 | 556 | command_line_blibpath = optarg; |
aa67bccf TR |
557 | break; |
558 | ||
559 | case OPTION_NOLIBPATH: | |
cc7e59b2 | 560 | command_line_blibpath = NULL; |
aa67bccf TR |
561 | break; |
562 | ||
252b5132 RH |
563 | } |
564 | ||
3bcf5557 | 565 | return TRUE; |
252b5132 RH |
566 | } |
567 | ||
568 | /* This is called when an input file can not be recognized as a BFD | |
569 | object or an archive. If the file starts with #!, we must treat it | |
570 | as an import file. This is for AIX compatibility. */ | |
571 | ||
b34976b6 | 572 | static bfd_boolean |
252b5132 RH |
573 | gld${EMULATION_NAME}_unrecognized_file (entry) |
574 | lang_input_statement_type *entry; | |
575 | { | |
576 | FILE *e; | |
b34976b6 | 577 | bfd_boolean ret; |
252b5132 RH |
578 | |
579 | e = fopen (entry->filename, FOPEN_RT); | |
580 | if (e == NULL) | |
b34976b6 | 581 | return FALSE; |
252b5132 | 582 | |
b34976b6 | 583 | ret = FALSE; |
252b5132 RH |
584 | |
585 | if (getc (e) == '#' && getc (e) == '!') | |
586 | { | |
587 | struct filelist *n; | |
588 | struct filelist **flpp; | |
589 | ||
590 | n = (struct filelist *) xmalloc (sizeof (struct filelist)); | |
591 | n->next = NULL; | |
592 | n->name = entry->filename; | |
593 | flpp = &import_files; | |
594 | while (*flpp != NULL) | |
595 | flpp = &(*flpp)->next; | |
596 | *flpp = n; | |
597 | ||
b34976b6 AM |
598 | ret = TRUE; |
599 | entry->loaded = TRUE; | |
252b5132 RH |
600 | } |
601 | ||
602 | fclose (e); | |
603 | ||
604 | return ret; | |
605 | } | |
606 | ||
607 | /* This is called after the input files have been opened. */ | |
608 | ||
609 | static void | |
610 | gld${EMULATION_NAME}_after_open () | |
611 | { | |
b34976b6 | 612 | bfd_boolean r; |
252b5132 RH |
613 | struct set_info *p; |
614 | ||
615 | /* Call ldctor_build_sets, after pretending that this is a | |
1049f94e | 616 | relocatable link. We do this because AIX requires relocation |
252b5132 RH |
617 | entries for all references to symbols, even in a final |
618 | executable. Of course, we only want to do this if we are | |
619 | producing an XCOFF output file. */ | |
1049f94e | 620 | r = link_info.relocatable; |
252b5132 | 621 | if (strstr (bfd_get_target (output_bfd), "xcoff") != NULL) |
1049f94e | 622 | link_info.relocatable = TRUE; |
252b5132 | 623 | ldctor_build_sets (); |
1049f94e | 624 | link_info.relocatable = r; |
252b5132 RH |
625 | |
626 | /* For each set, record the size, so that the XCOFF backend can | |
627 | output the correct csect length. */ | |
628 | for (p = sets; p != (struct set_info *) NULL; p = p->next) | |
629 | { | |
630 | bfd_size_type size; | |
631 | ||
632 | /* If the symbol is defined, we may have been invoked from | |
7fc44b9c AM |
633 | collect, and the sets may already have been built, so we do |
634 | not do anything. */ | |
252b5132 RH |
635 | if (p->h->type == bfd_link_hash_defined |
636 | || p->h->type == bfd_link_hash_defweak) | |
637 | continue; | |
638 | ||
639 | if (p->reloc != BFD_RELOC_CTOR) | |
640 | { | |
641 | /* Handle this if we need to. */ | |
642 | abort (); | |
643 | } | |
644 | ||
645 | size = (p->count + 2) * 4; | |
249172c3 | 646 | if (!bfd_xcoff_link_record_set (output_bfd, &link_info, p->h, size)) |
252b5132 RH |
647 | einfo ("%F%P: bfd_xcoff_link_record_set failed: %E\n"); |
648 | } | |
649 | } | |
650 | ||
651 | /* This is called after the sections have been attached to output | |
652 | sections, but before any sizes or addresses have been set. */ | |
653 | ||
654 | static void | |
655 | gld${EMULATION_NAME}_before_allocation () | |
656 | { | |
657 | struct filelist *fl; | |
658 | struct export_symbol_list *el; | |
659 | char *libpath; | |
3b1b01cf | 660 | asection *special_sections[XCOFF_NUMBER_OF_SPECIAL_SECTIONS]; |
252b5132 RH |
661 | int i; |
662 | ||
663 | /* Handle the import and export files, if any. */ | |
664 | for (fl = import_files; fl != NULL; fl = fl->next) | |
b34976b6 | 665 | gld${EMULATION_NAME}_read_file (fl->name, TRUE); |
fab80407 AM |
666 | for (el = export_symbols; el != NULL; el = el->next) |
667 | { | |
668 | struct bfd_link_hash_entry *h; | |
669 | ||
b34976b6 | 670 | h = bfd_link_hash_lookup (link_info.hash, el->name, FALSE, FALSE, FALSE); |
fab80407 AM |
671 | if (h == NULL) |
672 | einfo ("%P%F: bfd_link_hash_lookup of export symbol failed: %E\n"); | |
249172c3 | 673 | if (!bfd_xcoff_export_symbol (output_bfd, &link_info, h)) |
fab80407 AM |
674 | einfo ("%P%F: bfd_xcoff_export_symbol failed: %E\n"); |
675 | } | |
252b5132 RH |
676 | |
677 | /* Track down all relocations called for by the linker script (these | |
678 | are typically constructor/destructor entries created by | |
679 | CONSTRUCTORS) and let the backend know it will need to create | |
680 | .loader relocs for them. */ | |
681 | lang_for_each_statement (gld${EMULATION_NAME}_find_relocs); | |
682 | ||
aa67bccf | 683 | /* Precedence of LIBPATH |
7fc44b9c AM |
684 | -blibpath: native support always first |
685 | -rpath: gnu extension | |
686 | -L build from command line -L's */ | |
aa67bccf TR |
687 | if (command_line_blibpath != NULL) |
688 | libpath = command_line_blibpath; | |
689 | else if (command_line.rpath != NULL) | |
252b5132 RH |
690 | libpath = command_line.rpath; |
691 | else if (search_head == NULL) | |
692 | libpath = (char *) ""; | |
693 | else | |
694 | { | |
695 | size_t len; | |
696 | search_dirs_type *search; | |
697 | ||
698 | len = strlen (search_head->name); | |
699 | libpath = xmalloc (len + 1); | |
700 | strcpy (libpath, search_head->name); | |
701 | for (search = search_head->next; search != NULL; search = search->next) | |
702 | { | |
703 | size_t nlen; | |
704 | ||
705 | nlen = strlen (search->name); | |
706 | libpath = xrealloc (libpath, len + nlen + 2); | |
707 | libpath[len] = ':'; | |
708 | strcpy (libpath + len + 1, search->name); | |
709 | len += nlen + 1; | |
710 | } | |
711 | } | |
712 | ||
713 | /* Let the XCOFF backend set up the .loader section. */ | |
7fc44b9c | 714 | if (!bfd_xcoff_size_dynamic_sections |
e3e942e9 | 715 | (output_bfd, &link_info, libpath, entry_symbol.name, file_align, |
b34976b6 AM |
716 | maxstack, maxdata, gc && !unix_ld ? TRUE : FALSE, |
717 | modtype, textro ? TRUE : FALSE, unix_ld, special_sections, | |
718 | rtld ? TRUE : FALSE)) | |
252b5132 RH |
719 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); |
720 | ||
721 | /* Look through the special sections, and put them in the right | |
722 | place in the link ordering. This is especially magic. */ | |
fab80407 AM |
723 | for (i = 0; i < XCOFF_NUMBER_OF_SPECIAL_SECTIONS; i++) |
724 | { | |
725 | asection *sec; | |
726 | lang_output_section_statement_type *os; | |
727 | lang_statement_union_type **pls; | |
728 | lang_input_section_type *is; | |
729 | const char *oname; | |
b34976b6 | 730 | bfd_boolean start; |
fab80407 AM |
731 | |
732 | sec = special_sections[i]; | |
733 | if (sec == NULL) | |
734 | continue; | |
3b1b01cf | 735 | |
fab80407 | 736 | /* Remove this section from the list of the output section. |
7fc44b9c | 737 | This assumes we know what the script looks like. */ |
fab80407 AM |
738 | is = NULL; |
739 | os = lang_output_section_find (sec->output_section->name); | |
7fc44b9c | 740 | if (os == NULL) |
fab80407 AM |
741 | einfo ("%P%F: can't find output section %s\n", |
742 | sec->output_section->name); | |
fab80407 AM |
743 | |
744 | for (pls = &os->children.head; *pls != NULL; pls = &(*pls)->header.next) | |
745 | { | |
7fc44b9c | 746 | if ((*pls)->header.type == lang_input_section_enum |
249172c3 | 747 | && (*pls)->input_section.section == sec) |
fab80407 | 748 | { |
249172c3 | 749 | is = (lang_input_section_type *) * pls; |
fab80407 | 750 | *pls = (*pls)->header.next; |
252b5132 | 751 | break; |
fab80407 AM |
752 | } |
753 | ||
754 | if ((*pls)->header.type == lang_wild_statement_enum) | |
755 | { | |
756 | lang_statement_union_type **pwls; | |
757 | ||
758 | for (pwls = &(*pls)->wild_statement.children.head; | |
249172c3 | 759 | *pwls != NULL; pwls = &(*pwls)->header.next) |
fab80407 AM |
760 | { |
761 | ||
7fc44b9c | 762 | if ((*pwls)->header.type == lang_input_section_enum |
249172c3 | 763 | && (*pwls)->input_section.section == sec) |
fab80407 | 764 | { |
249172c3 | 765 | is = (lang_input_section_type *) * pwls; |
fab80407 AM |
766 | *pwls = (*pwls)->header.next; |
767 | break; | |
768 | } | |
769 | } | |
770 | ||
771 | if (is != NULL) | |
772 | break; | |
773 | } | |
774 | } | |
775 | ||
776 | if (is == NULL) | |
777 | { | |
778 | einfo ("%P%F: can't find %s in output section\n", | |
779 | bfd_get_section_name (sec->owner, sec)); | |
3b1b01cf | 780 | } |
fab80407 AM |
781 | |
782 | /* Now figure out where the section should go. */ | |
783 | switch (i) | |
784 | { | |
785 | ||
249172c3 | 786 | default: /* to avoid warnings */ |
fab80407 AM |
787 | case XCOFF_SPECIAL_SECTION_TEXT: |
788 | /* _text */ | |
789 | oname = ".text"; | |
b34976b6 | 790 | start = TRUE; |
3b1b01cf | 791 | break; |
252b5132 | 792 | |
fab80407 AM |
793 | case XCOFF_SPECIAL_SECTION_ETEXT: |
794 | /* _etext */ | |
795 | oname = ".text"; | |
b34976b6 | 796 | start = FALSE; |
fab80407 | 797 | break; |
252b5132 | 798 | |
fab80407 AM |
799 | case XCOFF_SPECIAL_SECTION_DATA: |
800 | /* _data */ | |
801 | oname = ".data"; | |
b34976b6 | 802 | start = TRUE; |
fab80407 | 803 | break; |
252b5132 | 804 | |
fab80407 AM |
805 | case XCOFF_SPECIAL_SECTION_EDATA: |
806 | /* _edata */ | |
807 | oname = ".data"; | |
b34976b6 | 808 | start = FALSE; |
fab80407 AM |
809 | break; |
810 | ||
811 | case XCOFF_SPECIAL_SECTION_END: | |
812 | case XCOFF_SPECIAL_SECTION_END2: | |
813 | /* _end and end */ | |
814 | oname = ".bss"; | |
b34976b6 | 815 | start = FALSE; |
fab80407 AM |
816 | break; |
817 | } | |
252b5132 | 818 | |
fab80407 | 819 | os = lang_output_section_find (oname); |
252b5132 | 820 | |
fab80407 AM |
821 | if (start) |
822 | { | |
823 | is->header.next = os->children.head; | |
824 | os->children.head = (lang_statement_union_type *) is; | |
825 | } | |
826 | else | |
827 | { | |
828 | is->header.next = NULL; | |
829 | lang_statement_append (&os->children, | |
830 | (lang_statement_union_type *) is, | |
831 | &is->header.next); | |
832 | } | |
3b1b01cf | 833 | } |
3b1b01cf TR |
834 | } |
835 | ||
742aeb63 | 836 | static char * |
f1f0d9ab | 837 | gld${EMULATION_NAME}_choose_target (argc, argv) |
742aeb63 TR |
838 | int argc; |
839 | char **argv; | |
840 | { | |
841 | int i, j, jmax; | |
842 | static char *from_outside; | |
843 | static char *from_inside; | |
7fc44b9c | 844 | static char *argv_to_target[][2] = { |
249172c3 | 845 | {NULL, "${OUTPUT_FORMAT}"}, |
eb1e0e80 NC |
846 | {"-b32", "${OUTPUT_FORMAT_32BIT}"}, |
847 | {"-b64", "${OUTPUT_FORMAT_64BIT}"}, | |
249172c3 | 848 | }; |
742aeb63 TR |
849 | |
850 | jmax = 3; | |
851 | ||
852 | from_outside = getenv (TARGET_ENVIRON); | |
249172c3 | 853 | if (from_outside != (char *) NULL) |
742aeb63 TR |
854 | return from_outside; |
855 | ||
856 | /* Set to default. */ | |
857 | from_inside = argv_to_target[0][1]; | |
858 | for (i = 1; i < argc; i++) | |
859 | { | |
7fc44b9c | 860 | for (j = 1; j < jmax; j++) |
742aeb63 TR |
861 | { |
862 | if (0 == strcmp (argv[i], argv_to_target[j][0])) | |
863 | from_inside = argv_to_target[j][1]; | |
864 | } | |
865 | } | |
249172c3 | 866 | |
742aeb63 TR |
867 | return from_inside; |
868 | } | |
869 | ||
7fc44b9c | 870 | /* Returns |
249172c3 TR |
871 | 1 : state changed |
872 | 0 : no change */ | |
7fc44b9c | 873 | static int |
249172c3 TR |
874 | change_symbol_mode (input) |
875 | char *input; | |
3b1b01cf | 876 | { |
3b1b01cf | 877 | char *symbol_mode_string[] = { |
249172c3 TR |
878 | "# 32", /* 0x01 */ |
879 | "# 64", /* 0x02 */ | |
880 | "# no32", /* 0x04 */ | |
881 | "# no64", /* 0x08 */ | |
3b1b01cf TR |
882 | NULL, |
883 | }; | |
249172c3 | 884 | |
3b1b01cf TR |
885 | unsigned int bit; |
886 | char *string; | |
887 | ||
249172c3 | 888 | for (bit = 0;; bit++) |
fab80407 AM |
889 | { |
890 | string = symbol_mode_string[bit]; | |
249172c3 | 891 | if (string == NULL) |
fab80407 AM |
892 | return 0; |
893 | ||
894 | if (0 == strcmp (input, string)) | |
895 | { | |
896 | symbol_mode = (1 << bit); | |
897 | return 1; | |
898 | } | |
3b1b01cf | 899 | } |
3b1b01cf TR |
900 | /* should not be here */ |
901 | return 0; | |
902 | } | |
903 | ||
7fc44b9c | 904 | /* Returns |
249172c3 TR |
905 | 1 : yes |
906 | 0 : ignore | |
907 | -1 : error, try something else */ | |
7fc44b9c | 908 | static int |
249172c3 TR |
909 | is_syscall (input, flag) |
910 | char *input; | |
911 | unsigned int *flag; | |
3b1b01cf | 912 | { |
3b1b01cf TR |
913 | unsigned int bit; |
914 | char *string; | |
7fc44b9c | 915 | |
1fdf0249 TR |
916 | struct sc { |
917 | char *syscall_string; | |
918 | unsigned int flag; | |
919 | } s [] = { | |
920 | { "svc" /* 0x01 */, XCOFF_SYSCALL32 }, | |
921 | { "svc32" /* 0x02 */, XCOFF_SYSCALL32 }, | |
922 | { "svc3264" /* 0x04 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 }, | |
923 | { "svc64" /* 0x08 */, XCOFF_SYSCALL64 }, | |
924 | { "syscall" /* 0x10 */, XCOFF_SYSCALL32 }, | |
925 | { "syscall32" /* 0x20 */, XCOFF_SYSCALL32 }, | |
926 | { "syscall3264" /* 0x40 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 }, | |
927 | { "syscall64" /* 0x80 */, XCOFF_SYSCALL64 }, | |
928 | { NULL, 0 }, | |
3b1b01cf TR |
929 | }; |
930 | ||
1fdf0249 | 931 | *flag = 0; |
3b1b01cf | 932 | |
7fc44b9c | 933 | for (bit = 0;; bit++) |
249172c3 TR |
934 | { |
935 | string = s[bit].syscall_string; | |
7fc44b9c | 936 | if (string == NULL) |
249172c3 | 937 | return -1; |
fab80407 | 938 | |
7fc44b9c | 939 | if (0 == strcmp (input, string)) |
249172c3 | 940 | { |
7fc44b9c | 941 | if (1 << bit & syscall_mask) |
249172c3 TR |
942 | { |
943 | *flag = s[bit].flag; | |
944 | return 1; | |
7fc44b9c AM |
945 | } |
946 | else | |
249172c3 TR |
947 | { |
948 | return 0; | |
949 | } | |
950 | } | |
252b5132 | 951 | } |
3b1b01cf TR |
952 | /* should not be here */ |
953 | return -1; | |
252b5132 RH |
954 | } |
955 | ||
956 | /* Read an import or export file. For an import file, this is called | |
957 | by the before_allocation emulation routine. For an export file, | |
3bcf5557 | 958 | this is called by the handle_option emulation routine. */ |
252b5132 RH |
959 | |
960 | static void | |
961 | gld${EMULATION_NAME}_read_file (filename, import) | |
962 | const char *filename; | |
b34976b6 | 963 | bfd_boolean import; |
252b5132 RH |
964 | { |
965 | struct obstack *o; | |
966 | FILE *f; | |
967 | int lineno; | |
968 | int c; | |
b34976b6 | 969 | bfd_boolean keep; |
252b5132 RH |
970 | const char *imppath; |
971 | const char *impfile; | |
972 | const char *impmember; | |
973 | ||
974 | o = (struct obstack *) xmalloc (sizeof (struct obstack)); | |
975 | obstack_specify_allocation (o, 0, 0, xmalloc, gld${EMULATION_NAME}_free); | |
976 | ||
977 | f = fopen (filename, FOPEN_RT); | |
978 | if (f == NULL) | |
979 | { | |
980 | bfd_set_error (bfd_error_system_call); | |
981 | einfo ("%F%s: %E\n", filename); | |
982 | } | |
983 | ||
b34976b6 | 984 | keep = FALSE; |
252b5132 RH |
985 | |
986 | imppath = NULL; | |
987 | impfile = NULL; | |
988 | impmember = NULL; | |
989 | ||
990 | lineno = 0; | |
3b1b01cf | 991 | |
69f284c7 TR |
992 | /* Default to 32 and 64 bit mode |
993 | symbols at top of /lib/syscalls.exp do not have a mode modifier and they | |
994 | are not repeated, assume 64 bit routines also want to use them. | |
995 | See the routine change_symbol_mode for more information. */ | |
996 | ||
3b1b01cf TR |
997 | symbol_mode = 0x04; |
998 | ||
252b5132 RH |
999 | while ((c = getc (f)) != EOF) |
1000 | { | |
1001 | char *s; | |
1002 | char *symname; | |
1fdf0249 | 1003 | unsigned int syscall_flag = 0; |
252b5132 RH |
1004 | bfd_vma address; |
1005 | struct bfd_link_hash_entry *h; | |
1006 | ||
1007 | if (c != '\n') | |
1008 | { | |
1009 | obstack_1grow (o, c); | |
1010 | continue; | |
1011 | } | |
1012 | ||
1013 | obstack_1grow (o, '\0'); | |
1014 | ++lineno; | |
1015 | ||
1016 | s = (char *) obstack_base (o); | |
3882b010 | 1017 | while (ISSPACE (*s)) |
252b5132 | 1018 | ++s; |
fab80407 AM |
1019 | if (*s == '\0' |
1020 | || *s == '*' | |
1021 | || change_symbol_mode (s) | |
1022 | || (*s == '#' && s[1] == ' ') | |
249172c3 | 1023 | || (!import && *s == '#' && s[1] == '!')) |
252b5132 RH |
1024 | { |
1025 | obstack_free (o, obstack_base (o)); | |
1026 | continue; | |
1027 | } | |
1028 | ||
1029 | if (*s == '#' && s[1] == '!') | |
1030 | { | |
1031 | s += 2; | |
3882b010 | 1032 | while (ISSPACE (*s)) |
252b5132 RH |
1033 | ++s; |
1034 | if (*s == '\0') | |
1035 | { | |
1036 | imppath = NULL; | |
1037 | impfile = NULL; | |
1038 | impmember = NULL; | |
1039 | obstack_free (o, obstack_base (o)); | |
1040 | } | |
1041 | else if (*s == '(') | |
1042 | einfo ("%F%s%d: #! ([member]) is not supported in import files\n", | |
1043 | filename, lineno); | |
1044 | else | |
1045 | { | |
1046 | char cs; | |
1047 | char *file; | |
1048 | ||
1049 | (void) obstack_finish (o); | |
b34976b6 | 1050 | keep = TRUE; |
252b5132 RH |
1051 | imppath = s; |
1052 | file = NULL; | |
249172c3 | 1053 | while (!ISSPACE (*s) && *s != '(' && *s != '\0') |
252b5132 RH |
1054 | { |
1055 | if (*s == '/') | |
1056 | file = s + 1; | |
1057 | ++s; | |
1058 | } | |
1059 | if (file != NULL) | |
1060 | { | |
1061 | file[-1] = '\0'; | |
1062 | impfile = file; | |
1063 | if (imppath == file - 1) | |
1064 | imppath = "/"; | |
1065 | } | |
1066 | else | |
1067 | { | |
1068 | impfile = imppath; | |
1069 | imppath = ""; | |
1070 | } | |
1071 | cs = *s; | |
1072 | *s = '\0'; | |
3882b010 | 1073 | while (ISSPACE (cs)) |
252b5132 RH |
1074 | { |
1075 | ++s; | |
1076 | cs = *s; | |
1077 | } | |
1078 | if (cs != '(') | |
1079 | { | |
1080 | impmember = ""; | |
1081 | if (cs != '\0') | |
1082 | einfo ("%s:%d: warning: syntax error in import file\n", | |
1083 | filename, lineno); | |
1084 | } | |
1085 | else | |
1086 | { | |
1087 | ++s; | |
1088 | impmember = s; | |
1089 | while (*s != ')' && *s != '\0') | |
1090 | ++s; | |
1091 | if (*s == ')') | |
1092 | *s = '\0'; | |
1093 | else | |
1094 | einfo ("%s:%d: warning: syntax error in import file\n", | |
1095 | filename, lineno); | |
1096 | } | |
1097 | } | |
1098 | ||
1099 | continue; | |
1100 | } | |
1101 | ||
742aeb63 | 1102 | if (symbol_mode & symbol_mode_mask) |
fab80407 AM |
1103 | { |
1104 | /* This is a symbol to be imported or exported. */ | |
1105 | symname = s; | |
1fdf0249 | 1106 | syscall_flag = 0; |
fab80407 AM |
1107 | address = (bfd_vma) -1; |
1108 | ||
249172c3 | 1109 | while (!ISSPACE (*s) && *s != '\0') |
fab80407 AM |
1110 | ++s; |
1111 | if (*s != '\0') | |
1112 | { | |
1113 | char *se; | |
3b1b01cf | 1114 | |
fab80407 | 1115 | *s++ = '\0'; |
3b1b01cf | 1116 | |
3882b010 | 1117 | while (ISSPACE (*s)) |
fab80407 AM |
1118 | ++s; |
1119 | ||
1120 | se = s; | |
249172c3 | 1121 | while (!ISSPACE (*se) && *se != '\0') |
fab80407 AM |
1122 | ++se; |
1123 | if (*se != '\0') | |
1124 | { | |
1125 | *se++ = '\0'; | |
3882b010 | 1126 | while (ISSPACE (*se)) |
fab80407 AM |
1127 | ++se; |
1128 | if (*se != '\0') | |
1129 | einfo ("%s%d: warning: syntax error in import/export file\n", | |
1130 | filename, lineno); | |
1131 | } | |
1132 | ||
1133 | if (s != se) | |
1134 | { | |
1135 | int status; | |
c89e8944 | 1136 | const char *end; |
fab80407 | 1137 | |
249172c3 | 1138 | status = is_syscall (s, &syscall_flag); |
7fc44b9c AM |
1139 | |
1140 | if (0 > status) | |
249172c3 TR |
1141 | { |
1142 | /* not a system call, check for address */ | |
c89e8944 | 1143 | address = bfd_scan_vma (s, &end, 0); |
249172c3 TR |
1144 | if (*end != '\0') |
1145 | { | |
1146 | einfo ("%s:%d: warning: syntax error in import/export file\n", | |
1147 | filename, lineno); | |
7fc44b9c | 1148 | |
249172c3 TR |
1149 | } |
1150 | } | |
3b1b01cf | 1151 | } |
252b5132 | 1152 | } |
3b1b01cf | 1153 | |
249172c3 | 1154 | if (!import) |
fab80407 AM |
1155 | { |
1156 | struct export_symbol_list *n; | |
1157 | ||
1158 | ldlang_add_undef (symname); | |
1159 | n = ((struct export_symbol_list *) | |
1160 | xmalloc (sizeof (struct export_symbol_list))); | |
1161 | n->next = export_symbols; | |
1162 | n->name = xstrdup (symname); | |
fab80407 AM |
1163 | export_symbols = n; |
1164 | } | |
1165 | else | |
1166 | { | |
b34976b6 AM |
1167 | h = bfd_link_hash_lookup (link_info.hash, symname, FALSE, FALSE, |
1168 | TRUE); | |
fab80407 AM |
1169 | if (h == NULL || h->type == bfd_link_hash_new) |
1170 | { | |
1171 | /* We can just ignore attempts to import an unreferenced | |
1172 | symbol. */ | |
1173 | } | |
1174 | else | |
1175 | { | |
249172c3 TR |
1176 | if (!bfd_xcoff_import_symbol (output_bfd, &link_info, h, |
1177 | address, imppath, impfile, | |
1178 | impmember, syscall_flag)) | |
fab80407 AM |
1179 | einfo ("%X%s:%d: failed to import symbol %s: %E\n", |
1180 | filename, lineno, symname); | |
1181 | } | |
1182 | } | |
1183 | } | |
252b5132 RH |
1184 | obstack_free (o, obstack_base (o)); |
1185 | } | |
fab80407 | 1186 | |
252b5132 RH |
1187 | if (obstack_object_size (o) > 0) |
1188 | { | |
fab80407 AM |
1189 | einfo ("%s:%d: warning: ignoring unterminated last line\n", |
1190 | filename, lineno); | |
1191 | obstack_free (o, obstack_base (o)); | |
1192 | } | |
252b5132 | 1193 | |
249172c3 | 1194 | if (!keep) |
fab80407 AM |
1195 | { |
1196 | obstack_free (o, NULL); | |
1197 | free (o); | |
252b5132 | 1198 | } |
fab80407 | 1199 | } |
252b5132 RH |
1200 | |
1201 | /* This routine saves us from worrying about declaring free. */ | |
1202 | ||
1203 | static void | |
1204 | gld${EMULATION_NAME}_free (p) | |
1205 | PTR p; | |
1206 | { | |
1207 | free (p); | |
1208 | } | |
1209 | ||
1210 | /* This is called by the before_allocation routine via | |
1211 | lang_for_each_statement. It looks for relocations and assignments | |
1212 | to symbols. */ | |
1213 | ||
1214 | static void | |
1215 | gld${EMULATION_NAME}_find_relocs (s) | |
1216 | lang_statement_union_type *s; | |
1217 | { | |
1218 | if (s->header.type == lang_reloc_statement_enum) | |
1219 | { | |
1220 | lang_reloc_statement_type *rs; | |
1221 | ||
1222 | rs = &s->reloc_statement; | |
1223 | if (rs->name == NULL) | |
1224 | einfo ("%F%P: only relocations against symbols are permitted\n"); | |
249172c3 | 1225 | if (!bfd_xcoff_link_count_reloc (output_bfd, &link_info, rs->name)) |
252b5132 RH |
1226 | einfo ("%F%P: bfd_xcoff_link_count_reloc failed: %E\n"); |
1227 | } | |
1228 | ||
1229 | if (s->header.type == lang_assignment_statement_enum) | |
1230 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
1231 | } | |
1232 | ||
1233 | /* Look through an expression for an assignment statement. */ | |
1234 | ||
1235 | static void | |
1236 | gld${EMULATION_NAME}_find_exp_assignment (exp) | |
1237 | etree_type *exp; | |
1238 | { | |
1239 | struct bfd_link_hash_entry *h; | |
1240 | ||
1241 | switch (exp->type.node_class) | |
1242 | { | |
1243 | case etree_provide: | |
1244 | h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst, | |
b34976b6 | 1245 | FALSE, FALSE, FALSE); |
252b5132 RH |
1246 | if (h == NULL) |
1247 | break; | |
1248 | /* Fall through. */ | |
1249 | case etree_assign: | |
1250 | if (strcmp (exp->assign.dst, ".") != 0) | |
1251 | { | |
249172c3 TR |
1252 | if (!bfd_xcoff_record_link_assignment (output_bfd, &link_info, |
1253 | exp->assign.dst)) | |
252b5132 RH |
1254 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
1255 | exp->assign.dst); | |
1256 | } | |
1257 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); | |
1258 | break; | |
1259 | ||
1260 | case etree_binary: | |
1261 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
1262 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
1263 | break; | |
1264 | ||
1265 | case etree_trinary: | |
1266 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
1267 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
1268 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
1269 | break; | |
1270 | ||
1271 | case etree_unary: | |
1272 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
1273 | break; | |
1274 | ||
1275 | default: | |
1276 | break; | |
1277 | } | |
1278 | } | |
1279 | ||
1280 | static char * | |
fab80407 | 1281 | gld${EMULATION_NAME}_get_script (isfile) |
252b5132 RH |
1282 | int *isfile; |
1283 | EOF | |
1284 | ||
1285 | if test -n "$COMPILE_IN" | |
1286 | then | |
1287 | # Scripts compiled in. | |
1288 | ||
1289 | # sed commands to quote an ld script as a C string. | |
5f642101 | 1290 | sc="-f ${srcdir}/emultempl/ostring.sed" |
252b5132 RH |
1291 | |
1292 | cat >>e${EMULATION_NAME}.c <<EOF | |
fab80407 | 1293 | { |
252b5132 RH |
1294 | *isfile = 0; |
1295 | ||
1049f94e | 1296 | if (link_info.relocatable && config.build_constructors) |
252b5132 RH |
1297 | return |
1298 | EOF | |
b34976b6 | 1299 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1049f94e | 1300 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c |
b34976b6 AM |
1301 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
1302 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1303 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
1304 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
1305 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
1306 | echo ' ; else return' >> e${EMULATION_NAME}.c | |
1307 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1308 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
1309 | |
1310 | else | |
1311 | # Scripts read from the filesystem. | |
1312 | ||
1313 | cat >>e${EMULATION_NAME}.c <<EOF | |
fab80407 | 1314 | { |
252b5132 RH |
1315 | *isfile = 1; |
1316 | ||
1049f94e | 1317 | if (link_info.relocatable && config.build_constructors) |
252b5132 | 1318 | return "ldscripts/${EMULATION_NAME}.xu"; |
1049f94e | 1319 | else if (link_info.relocatable) |
252b5132 RH |
1320 | return "ldscripts/${EMULATION_NAME}.xr"; |
1321 | else if (!config.text_read_only) | |
1322 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
1323 | else if (!config.magic_demand_paged) | |
1324 | return "ldscripts/${EMULATION_NAME}.xn"; | |
1325 | else | |
1326 | return "ldscripts/${EMULATION_NAME}.x"; | |
1327 | } | |
1328 | EOF | |
1329 | ||
1330 | fi | |
1331 | ||
1332 | cat >>e${EMULATION_NAME}.c <<EOF | |
1333 | ||
7fc44b9c | 1334 | static void |
f1f0d9ab | 1335 | gld${EMULATION_NAME}_create_output_section_statements () |
9a4c7f16 TR |
1336 | { |
1337 | /* __rtinit */ | |
7fc44b9c AM |
1338 | if ((bfd_get_flavour (output_bfd) == bfd_target_xcoff_flavour) |
1339 | && (link_info.init_function != NULL | |
69f284c7 | 1340 | || link_info.fini_function != NULL |
b34976b6 | 1341 | || rtld)) |
9a4c7f16 | 1342 | { |
9a4c7f16 TR |
1343 | initfini_file = lang_add_input_file ("initfini", |
1344 | lang_input_file_is_file_enum, | |
1345 | NULL); | |
7fc44b9c | 1346 | |
9a4c7f16 TR |
1347 | initfini_file->the_bfd = bfd_create ("initfini", output_bfd); |
1348 | if (initfini_file->the_bfd == NULL | |
1349 | || ! bfd_set_arch_mach (initfini_file->the_bfd, | |
1350 | bfd_get_arch (output_bfd), | |
1351 | bfd_get_mach (output_bfd))) | |
1352 | { | |
1353 | einfo ("%X%P: can not create BFD %E\n"); | |
1354 | return; | |
1355 | } | |
7fc44b9c | 1356 | |
9a4c7f16 | 1357 | /* Call backend to fill in the rest */ |
b34976b6 AM |
1358 | if (! bfd_xcoff_link_generate_rtinit (initfini_file->the_bfd, |
1359 | link_info.init_function, | |
1360 | link_info.fini_function, | |
1361 | rtld)) | |
9a4c7f16 TR |
1362 | { |
1363 | einfo ("%X%P: can not create BFD %E\n"); | |
1364 | return; | |
1365 | } | |
69f284c7 TR |
1366 | |
1367 | /* __rtld defined in /lib/librtl.a */ | |
b34976b6 | 1368 | if (rtld) |
69f284c7 | 1369 | lang_add_input_file ("rtl", lang_input_file_is_l_enum, NULL); |
9a4c7f16 TR |
1370 | } |
1371 | } | |
1372 | ||
f1f0d9ab TR |
1373 | static void |
1374 | gld${EMULATION_NAME}_set_output_arch () | |
1375 | { | |
1376 | bfd_set_arch_mach (output_bfd, | |
1377 | bfd_xcoff_architecture (output_bfd), | |
1378 | bfd_xcoff_machine (output_bfd)); | |
1379 | ||
1380 | ldfile_output_architecture = bfd_get_arch (output_bfd); | |
1381 | ldfile_output_machine = bfd_get_mach (output_bfd); | |
1382 | ldfile_output_machine_name = bfd_printable_name (output_bfd); | |
1383 | } | |
1384 | ||
249172c3 | 1385 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = { |
252b5132 RH |
1386 | gld${EMULATION_NAME}_before_parse, |
1387 | syslib_default, | |
1388 | hll_default, | |
1389 | after_parse_default, | |
1390 | gld${EMULATION_NAME}_after_open, | |
1391 | after_allocation_default, | |
f1f0d9ab TR |
1392 | gld${EMULATION_NAME}_set_output_arch, |
1393 | gld${EMULATION_NAME}_choose_target, | |
252b5132 RH |
1394 | gld${EMULATION_NAME}_before_allocation, |
1395 | gld${EMULATION_NAME}_get_script, | |
1396 | "${EMULATION_NAME}", | |
1397 | "${OUTPUT_FORMAT}", | |
249172c3 | 1398 | 0, /* finish */ |
9a4c7f16 | 1399 | gld${EMULATION_NAME}_create_output_section_statements, |
249172c3 TR |
1400 | 0, /* open_dynamic_archive */ |
1401 | 0, /* place_orphan */ | |
1402 | 0, /* set_symbols */ | |
252b5132 | 1403 | gld${EMULATION_NAME}_parse_args, |
3bcf5557 AM |
1404 | gld${EMULATION_NAME}_add_options, |
1405 | gld${EMULATION_NAME}_handle_option, | |
40d109bf | 1406 | gld${EMULATION_NAME}_unrecognized_file, |
249172c3 TR |
1407 | NULL, /* list_options */ |
1408 | NULL, /* recognized_file */ | |
1409 | NULL, /* find potential_libraries */ | |
fac1652d | 1410 | NULL /* new_vers_pattern */ |
252b5132 RH |
1411 | }; |
1412 | EOF |