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 | |
92b93329 | 8 | fragment <<EOF |
252b5132 RH |
9 | /* This file is is generated by a shell script. DO NOT EDIT! */ |
10 | ||
11 | /* AIX emulation code for ${EMULATION_NAME} | |
aef6203b | 12 | Copyright 1991, 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, |
c7e2358a | 13 | 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
8529105a | 14 | Free Software Foundation, Inc. |
252b5132 RH |
15 | Written by Steve Chamberlain <sac@cygnus.com> |
16 | AIX support by Ian Lance Taylor <ian@cygnus.com> | |
3b1b01cf | 17 | AIX 64 bit support by Tom Rix <trix@redhat.com> |
252b5132 | 18 | |
f96b4a7b | 19 | This file is part of the GNU Binutils. |
252b5132 | 20 | |
f96b4a7b NC |
21 | This program is free software; you can redistribute it and/or modify |
22 | it under the terms of the GNU General Public License as published by | |
23 | the Free Software Foundation; either version 3 of the License, or | |
24 | (at your option) any later version. | |
252b5132 | 25 | |
f96b4a7b NC |
26 | This program is distributed in the hope that it will be useful, |
27 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
28 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
29 | GNU General Public License for more details. | |
252b5132 | 30 | |
f96b4a7b NC |
31 | You should have received a copy of the GNU General Public License |
32 | along with this program; if not, write to the Free Software | |
33 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
34 | MA 02110-1301, USA. */ | |
252b5132 RH |
35 | |
36 | #define TARGET_IS_${EMULATION_NAME} | |
37 | ||
252b5132 | 38 | #include "sysdep.h" |
3db64b00 | 39 | #include "bfd.h" |
252b5132 | 40 | #include "libiberty.h" |
3882b010 | 41 | #include "safe-ctype.h" |
252b5132 RH |
42 | #include "getopt.h" |
43 | #include "obstack.h" | |
44 | #include "bfdlink.h" | |
45 | ||
252b5132 RH |
46 | #include "ld.h" |
47 | #include "ldmain.h" | |
252b5132 RH |
48 | #include "ldmisc.h" |
49 | #include "ldexp.h" | |
50 | #include "ldlang.h" | |
20713691 AM |
51 | #include "ldfile.h" |
52 | #include "ldemul.h" | |
252b5132 | 53 | #include "ldctor.h" |
df2a7313 | 54 | #include <ldgram.h> |
252b5132 | 55 | |
3b1b01cf TR |
56 | #include "coff/internal.h" |
57 | #include "coff/xcoff.h" | |
f1f0d9ab TR |
58 | #include "libcoff.h" |
59 | #include "libxcoff.h" | |
3b1b01cf | 60 | |
0c7a8e5a AM |
61 | static void gld${EMULATION_NAME}_read_file (const char *, bfd_boolean); |
62 | static void gld${EMULATION_NAME}_free (void *); | |
63 | static void gld${EMULATION_NAME}_find_relocs (lang_statement_union_type *); | |
64 | static void gld${EMULATION_NAME}_find_exp_assignment (etree_type *); | |
65 | ||
252b5132 RH |
66 | |
67 | /* The file alignment required for each section. */ | |
68 | static unsigned long file_align; | |
69 | ||
70 | /* The maximum size the stack is permitted to grow. This is stored in | |
71 | the a.out header. */ | |
72 | static unsigned long maxstack; | |
73 | ||
74 | /* The maximum data size. This is stored in the a.out header. */ | |
75 | static unsigned long maxdata; | |
76 | ||
77 | /* Whether to perform garbage collection. */ | |
78 | static int gc = 1; | |
79 | ||
80 | /* The module type to use. */ | |
81 | static unsigned short modtype = ('1' << 8) | 'L'; | |
82 | ||
83 | /* Whether the .text section must be read-only (i.e., no relocs | |
84 | permitted). */ | |
85 | static int textro; | |
86 | ||
b64232cc RS |
87 | /* A mask of XCOFF_EXPALL and XCOFF_EXPFULL flags, as set by their |
88 | associated -b and -bno options. */ | |
89 | static unsigned int auto_export_flags; | |
90 | ||
91 | /* A mask of auto_export_flags bits that were explicitly set on the | |
92 | command line. */ | |
93 | static unsigned int explicit_auto_export_flags; | |
94 | ||
252b5132 RH |
95 | /* Whether to implement Unix like linker semantics. */ |
96 | static int unix_ld; | |
97 | ||
98 | /* Structure used to hold import file list. */ | |
99 | ||
100 | struct filelist | |
101 | { | |
102 | struct filelist *next; | |
103 | const char *name; | |
104 | }; | |
105 | ||
106 | /* List of import files. */ | |
107 | static struct filelist *import_files; | |
108 | ||
109 | /* List of export symbols read from the export files. */ | |
110 | ||
111 | struct export_symbol_list | |
112 | { | |
113 | struct export_symbol_list *next; | |
114 | const char *name; | |
252b5132 RH |
115 | }; |
116 | ||
117 | static struct export_symbol_list *export_symbols; | |
118 | ||
3b1b01cf TR |
119 | /* Maintains the 32 or 64 bit mode state of import file */ |
120 | static unsigned int symbol_mode = 0x04; | |
121 | ||
742aeb63 TR |
122 | /* Which symbol modes are valid */ |
123 | static unsigned int symbol_mode_mask = 0x0d; | |
124 | ||
125 | /* Whether this is a 64 bit link */ | |
126 | static int is_64bit = 0; | |
127 | ||
128 | /* Which syscalls from import file are valid */ | |
129 | static unsigned int syscall_mask = 0x77; | |
130 | ||
9a4c7f16 TR |
131 | /* fake file for -binitfini support */ |
132 | static lang_input_statement_type *initfini_file; | |
69f284c7 | 133 | |
7fc44b9c | 134 | /* Whether to do run time linking |
ca10c62d | 135 | -brtl enables, -bnortl and -bnortllib disable. */ |
f1f0d9ab | 136 | static int rtld; |
69f284c7 | 137 | |
aa67bccf TR |
138 | /* Explicit command line library path, -blibpath */ |
139 | static char *command_line_blibpath = NULL; | |
140 | ||
252b5132 RH |
141 | /* This routine is called before anything else is done. */ |
142 | ||
143 | static void | |
0c7a8e5a | 144 | gld${EMULATION_NAME}_before_parse (void) |
252b5132 | 145 | { |
5e2f1575 | 146 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
f1f0d9ab | 147 | |
62008a16 | 148 | config.dynamic_link = TRUE; |
b34976b6 | 149 | config.has_shared = TRUE; |
3b1b01cf | 150 | |
9a4c7f16 TR |
151 | /* The link_info.[init|fini]_functions are initialized in ld/lexsup.c. |
152 | Override them here so we can use the link_info.init_function as a | |
7fc44b9c | 153 | state flag that lets the backend know that -binitfini has been done. */ |
9a4c7f16 | 154 | |
3b1b01cf TR |
155 | link_info.init_function = NULL; |
156 | link_info.fini_function = NULL; | |
252b5132 RH |
157 | } |
158 | ||
159 | /* Handle AIX specific options. */ | |
160 | ||
3bcf5557 | 161 | enum |
249172c3 | 162 | { |
3b1b01cf | 163 | OPTION_IGNORE = 300, |
fab80407 AM |
164 | OPTION_AUTOIMP, |
165 | OPTION_ERNOTOK, | |
166 | OPTION_EROK, | |
b64232cc RS |
167 | OPTION_EXPALL, |
168 | OPTION_EXPFULL, | |
fab80407 AM |
169 | OPTION_EXPORT, |
170 | OPTION_IMPORT, | |
171 | OPTION_INITFINI, | |
172 | OPTION_LOADMAP, | |
173 | OPTION_MAXDATA, | |
174 | OPTION_MAXSTACK, | |
175 | OPTION_MODTYPE, | |
176 | OPTION_NOAUTOIMP, | |
b64232cc RS |
177 | OPTION_NOEXPALL, |
178 | OPTION_NOEXPFULL, | |
fab80407 AM |
179 | OPTION_NOSTRCMPCT, |
180 | OPTION_PD, | |
181 | OPTION_PT, | |
182 | OPTION_STRCMPCT, | |
742aeb63 TR |
183 | OPTION_UNIX, |
184 | OPTION_32, | |
185 | OPTION_64, | |
aa67bccf TR |
186 | OPTION_LIBPATH, |
187 | OPTION_NOLIBPATH, | |
3b1b01cf TR |
188 | }; |
189 | ||
3bcf5557 | 190 | static void |
0c7a8e5a AM |
191 | gld${EMULATION_NAME}_add_options |
192 | (int ns, char **shortopts, int nl, struct option **longopts, | |
193 | int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED) | |
3bcf5557 AM |
194 | { |
195 | static const char xtra_short[] = "D:H:KT:z"; | |
196 | static const struct option xtra_long[] = { | |
9a4c7f16 TR |
197 | /* -binitfini has special handling in the linker backend. The native linker |
198 | uses the arguemnts to generate a table of init and fini functions for | |
199 | the executable. The important use for this option is to support aix 4.2+ | |
200 | c++ constructors and destructors. This is tied into gcc via collect2.c. | |
7fc44b9c | 201 | |
9a4c7f16 TR |
202 | The function table is accessed by the runtime linker/loader by checking if |
203 | the first symbol in the loader symbol table is __rtinit. The gnu linker | |
204 | generates this symbol and makes it the first loader symbol. */ | |
3b1b01cf | 205 | |
252b5132 RH |
206 | {"basis", no_argument, NULL, OPTION_IGNORE}, |
207 | {"bautoimp", no_argument, NULL, OPTION_AUTOIMP}, | |
208 | {"bcomprld", no_argument, NULL, OPTION_IGNORE}, | |
209 | {"bcrld", no_argument, NULL, OPTION_IGNORE}, | |
210 | {"bcror31", no_argument, NULL, OPTION_IGNORE}, | |
211 | {"bD", required_argument, NULL, OPTION_MAXDATA}, | |
212 | {"bE", required_argument, NULL, OPTION_EXPORT}, | |
213 | {"bernotok", no_argument, NULL, OPTION_ERNOTOK}, | |
214 | {"berok", no_argument, NULL, OPTION_EROK}, | |
215 | {"berrmsg", no_argument, NULL, OPTION_IGNORE}, | |
b64232cc RS |
216 | {"bexpall", no_argument, NULL, OPTION_EXPALL}, |
217 | {"bexpfull", no_argument, NULL, OPTION_EXPFULL}, | |
252b5132 RH |
218 | {"bexport", required_argument, NULL, OPTION_EXPORT}, |
219 | {"bf", no_argument, NULL, OPTION_ERNOTOK}, | |
220 | {"bgc", no_argument, &gc, 1}, | |
221 | {"bh", required_argument, NULL, OPTION_IGNORE}, | |
222 | {"bhalt", required_argument, NULL, OPTION_IGNORE}, | |
223 | {"bI", required_argument, NULL, OPTION_IMPORT}, | |
224 | {"bimport", required_argument, NULL, OPTION_IMPORT}, | |
3b1b01cf | 225 | {"binitfini", required_argument, NULL, OPTION_INITFINI}, |
252b5132 RH |
226 | {"bl", required_argument, NULL, OPTION_LOADMAP}, |
227 | {"bloadmap", required_argument, NULL, OPTION_LOADMAP}, | |
228 | {"bmaxdata", required_argument, NULL, OPTION_MAXDATA}, | |
229 | {"bmaxstack", required_argument, NULL, OPTION_MAXSTACK}, | |
230 | {"bM", required_argument, NULL, OPTION_MODTYPE}, | |
231 | {"bmodtype", required_argument, NULL, OPTION_MODTYPE}, | |
232 | {"bnoautoimp", no_argument, NULL, OPTION_NOAUTOIMP}, | |
b64232cc RS |
233 | {"bnoexpall", no_argument, NULL, OPTION_NOEXPALL}, |
234 | {"bnoexpfull", no_argument, NULL, OPTION_NOEXPFULL}, | |
252b5132 RH |
235 | {"bnodelcsect", no_argument, NULL, OPTION_IGNORE}, |
236 | {"bnoentry", no_argument, NULL, OPTION_IGNORE}, | |
237 | {"bnogc", no_argument, &gc, 0}, | |
238 | {"bnso", no_argument, NULL, OPTION_NOAUTOIMP}, | |
239 | {"bnostrcmpct", no_argument, NULL, OPTION_NOSTRCMPCT}, | |
240 | {"bnotextro", no_argument, &textro, 0}, | |
241 | {"bnro", no_argument, &textro, 0}, | |
242 | {"bpD", required_argument, NULL, OPTION_PD}, | |
243 | {"bpT", required_argument, NULL, OPTION_PT}, | |
244 | {"bro", no_argument, &textro, 1}, | |
69f284c7 | 245 | {"brtl", no_argument, &rtld, 1}, |
ca10c62d TR |
246 | {"bnortl", no_argument, &rtld, 0}, |
247 | {"bnortllib", no_argument, &rtld, 0}, | |
252b5132 RH |
248 | {"bS", required_argument, NULL, OPTION_MAXSTACK}, |
249 | {"bso", no_argument, NULL, OPTION_AUTOIMP}, | |
250 | {"bstrcmpct", no_argument, NULL, OPTION_STRCMPCT}, | |
251 | {"btextro", no_argument, &textro, 1}, | |
742aeb63 TR |
252 | {"b32", no_argument, NULL, OPTION_32}, |
253 | {"b64", no_argument, NULL, OPTION_64}, | |
252b5132 RH |
254 | {"static", no_argument, NULL, OPTION_NOAUTOIMP}, |
255 | {"unix", no_argument, NULL, OPTION_UNIX}, | |
aa67bccf TR |
256 | {"blibpath", required_argument, NULL, OPTION_LIBPATH}, |
257 | {"bnolibpath", required_argument, NULL, OPTION_NOLIBPATH}, | |
252b5132 RH |
258 | {NULL, no_argument, NULL, 0} |
259 | }; | |
260 | ||
261 | /* Options supported by the AIX linker which we do not support: -f, | |
262 | -S, -v, -Z, -bbindcmds, -bbinder, -bbindopts, -bcalls, -bcaps, | |
263 | -bcror15, -bdebugopt, -bdbg, -bdelcsect, -bex?, -bfilelist, -bfl, | |
264 | -bgcbypass, -bglink, -binsert, -bi, -bloadmap, -bl, -bmap, -bnl, | |
265 | -bnobind, -bnocomprld, -bnocrld, -bnoerrmsg, -bnoglink, | |
266 | -bnoloadmap, -bnl, -bnoobjreorder, -bnoquiet, -bnoreorder, | |
267 | -bnotypchk, -bnox, -bquiet, -bR, -brename, -breorder, -btypchk, | |
268 | -bx, -bX, -bxref. */ | |
269 | ||
3bcf5557 AM |
270 | *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short)); |
271 | memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short)); | |
0c7a8e5a AM |
272 | *longopts = xrealloc (*longopts, |
273 | nl * sizeof (struct option) + sizeof (xtra_long)); | |
3bcf5557 AM |
274 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); |
275 | } | |
276 | ||
277 | static bfd_boolean | |
0c7a8e5a | 278 | gld${EMULATION_NAME}_parse_args (int argc, char **argv) |
3bcf5557 AM |
279 | { |
280 | int indx; | |
281 | ||
252b5132 RH |
282 | /* If the current option starts with -b, change the first : to an =. |
283 | The AIX linker uses : to separate the option from the argument; | |
284 | changing it to = lets us treat it as a getopt option. */ | |
285 | indx = optind; | |
fab80407 | 286 | if (indx == 0) |
249172c3 | 287 | indx = 1; |
fab80407 | 288 | |
0112cd26 | 289 | if (indx < argc && CONST_STRNEQ (argv[indx], "-b")) |
fab80407 AM |
290 | { |
291 | char *s; | |
292 | ||
293 | for (s = argv[indx]; *s != '\0'; s++) | |
294 | { | |
295 | if (*s == ':') | |
296 | { | |
297 | *s = '='; | |
298 | break; | |
299 | } | |
300 | } | |
252b5132 | 301 | } |
3bcf5557 AM |
302 | return FALSE; |
303 | } | |
3b1b01cf | 304 | |
3bcf5557 | 305 | static bfd_boolean |
0c7a8e5a | 306 | gld${EMULATION_NAME}_handle_option (int optc) |
3bcf5557 AM |
307 | { |
308 | bfd_signed_vma val; | |
309 | const char *end; | |
252b5132 RH |
310 | |
311 | switch (optc) | |
312 | { | |
252b5132 | 313 | default: |
3bcf5557 | 314 | return FALSE; |
252b5132 RH |
315 | |
316 | case 0: | |
317 | /* Long option which just sets a flag. */ | |
318 | break; | |
319 | ||
320 | case 'D': | |
c89e8944 | 321 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 RH |
322 | if (*end != '\0') |
323 | einfo ("%P: warning: ignoring invalid -D number %s\n", optarg); | |
324 | else if (val != -1) | |
7a5df8d0 | 325 | lang_section_start (".data", exp_intop (val), NULL); |
252b5132 RH |
326 | break; |
327 | ||
328 | case 'H': | |
c89e8944 | 329 | val = bfd_scan_vma (optarg, &end, 0); |
249172c3 | 330 | if (*end != '\0' || (val & (val - 1)) != 0) |
252b5132 RH |
331 | einfo ("%P: warning: ignoring invalid -H number %s\n", optarg); |
332 | else | |
333 | file_align = val; | |
334 | break; | |
335 | ||
336 | case 'K': | |
337 | case 'z': | |
338 | /* FIXME: This should use the page size for the target system. */ | |
339 | file_align = 4096; | |
340 | break; | |
341 | ||
342 | case 'T': | |
343 | /* On AIX this is the same as GNU ld -Ttext. When we see -T | |
7fc44b9c AM |
344 | number, we assume the AIX option is intended. Otherwise, we |
345 | assume the usual GNU ld -T option is intended. We can't just | |
346 | ignore the AIX option, because gcc passes it to the linker. */ | |
c89e8944 | 347 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 | 348 | if (*end != '\0') |
3bcf5557 | 349 | return FALSE; |
7a5df8d0 | 350 | lang_section_start (".text", exp_intop (val), NULL); |
252b5132 RH |
351 | break; |
352 | ||
353 | case OPTION_IGNORE: | |
354 | break; | |
355 | ||
fab80407 AM |
356 | case OPTION_INITFINI: |
357 | { | |
358 | /* | |
359 | * The aix linker init fini has the format : | |
360 | * | |
361 | * -binitfini:[ Initial][:Termination][:Priority] | |
362 | * | |
363 | * it allows the Termination and Priority to be optional. | |
364 | * | |
365 | * Since we support only one init/fini pair, we ignore the Priority. | |
366 | * | |
367 | * Define the special symbol __rtinit. | |
368 | * | |
369 | * strtok does not correctly handle the case of -binitfini::fini: so | |
370 | * do it by hand | |
371 | */ | |
372 | char *t, *i, *f; | |
373 | ||
374 | i = t = optarg; | |
375 | while (*t && ':' != *t) | |
376 | t++; | |
377 | if (*t) | |
378 | *t++ = 0; | |
379 | ||
380 | if (0 != strlen (i)) | |
249172c3 | 381 | link_info.init_function = i; |
3b1b01cf | 382 | |
fab80407 AM |
383 | f = t; |
384 | while (*t && ':' != *t) | |
385 | t++; | |
386 | *t = 0; | |
3b1b01cf | 387 | |
fab80407 | 388 | if (0 != strlen (f)) |
249172c3 | 389 | link_info.fini_function = f; |
3b1b01cf | 390 | } |
249172c3 | 391 | break; |
7fc44b9c | 392 | |
252b5132 | 393 | case OPTION_AUTOIMP: |
b34976b6 | 394 | link_info.static_link = FALSE; |
252b5132 RH |
395 | break; |
396 | ||
397 | case OPTION_ERNOTOK: | |
858ef0ce RS |
398 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
399 | link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR; | |
252b5132 RH |
400 | break; |
401 | ||
402 | case OPTION_EROK: | |
858ef0ce RS |
403 | link_info.unresolved_syms_in_objects = RM_IGNORE; |
404 | link_info.unresolved_syms_in_shared_libs = RM_IGNORE; | |
252b5132 RH |
405 | break; |
406 | ||
b64232cc RS |
407 | case OPTION_EXPALL: |
408 | auto_export_flags |= XCOFF_EXPALL; | |
409 | explicit_auto_export_flags |= XCOFF_EXPALL; | |
410 | break; | |
411 | ||
412 | case OPTION_EXPFULL: | |
413 | auto_export_flags |= XCOFF_EXPFULL; | |
414 | explicit_auto_export_flags |= XCOFF_EXPFULL; | |
415 | break; | |
416 | ||
252b5132 | 417 | case OPTION_EXPORT: |
b34976b6 | 418 | gld${EMULATION_NAME}_read_file (optarg, FALSE); |
252b5132 RH |
419 | break; |
420 | ||
421 | case OPTION_IMPORT: | |
422 | { | |
423 | struct filelist *n; | |
424 | struct filelist **flpp; | |
425 | ||
426 | n = (struct filelist *) xmalloc (sizeof (struct filelist)); | |
427 | n->next = NULL; | |
428 | n->name = optarg; | |
429 | flpp = &import_files; | |
430 | while (*flpp != NULL) | |
431 | flpp = &(*flpp)->next; | |
432 | *flpp = n; | |
433 | } | |
434 | break; | |
435 | ||
436 | case OPTION_LOADMAP: | |
437 | config.map_filename = optarg; | |
438 | break; | |
439 | ||
440 | case OPTION_MAXDATA: | |
c89e8944 | 441 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 | 442 | if (*end != '\0') |
fab80407 | 443 | einfo ("%P: warning: ignoring invalid -bmaxdata number %s\n", optarg); |
252b5132 RH |
444 | else |
445 | maxdata = val; | |
446 | break; | |
447 | ||
448 | case OPTION_MAXSTACK: | |
c89e8944 | 449 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 | 450 | if (*end != '\0') |
7fc44b9c | 451 | einfo ("%P: warning: ignoring invalid -bmaxstack number %s\n", |
249172c3 | 452 | optarg); |
252b5132 RH |
453 | else |
454 | maxstack = val; | |
455 | break; | |
456 | ||
457 | case OPTION_MODTYPE: | |
458 | if (*optarg == 'S') | |
459 | { | |
b34976b6 | 460 | link_info.shared = TRUE; |
252b5132 RH |
461 | ++optarg; |
462 | } | |
463 | if (*optarg == '\0' || optarg[1] == '\0') | |
464 | einfo ("%P: warning: ignoring invalid module type %s\n", optarg); | |
465 | else | |
466 | modtype = (*optarg << 8) | optarg[1]; | |
467 | break; | |
468 | ||
469 | case OPTION_NOAUTOIMP: | |
b34976b6 | 470 | link_info.static_link = TRUE; |
252b5132 RH |
471 | break; |
472 | ||
b64232cc RS |
473 | case OPTION_NOEXPALL: |
474 | auto_export_flags &= ~XCOFF_EXPALL; | |
475 | explicit_auto_export_flags |= XCOFF_EXPALL; | |
476 | break; | |
477 | ||
478 | case OPTION_NOEXPFULL: | |
479 | auto_export_flags &= ~XCOFF_EXPFULL; | |
480 | explicit_auto_export_flags |= XCOFF_EXPFULL; | |
481 | break; | |
482 | ||
252b5132 | 483 | case OPTION_NOSTRCMPCT: |
b34976b6 | 484 | link_info.traditional_format = TRUE; |
252b5132 RH |
485 | break; |
486 | ||
487 | case OPTION_PD: | |
488 | /* This sets the page that the .data section is supposed to | |
7fc44b9c AM |
489 | start on. The offset within the page should still be the |
490 | offset within the file, so we need to build an appropriate | |
491 | expression. */ | |
c89e8944 | 492 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 RH |
493 | if (*end != '\0') |
494 | einfo ("%P: warning: ignoring invalid -pD number %s\n", optarg); | |
495 | else | |
496 | { | |
497 | etree_type *t; | |
498 | ||
499 | t = exp_binop ('+', | |
500 | exp_intop (val), | |
501 | exp_binop ('&', | |
502 | exp_nameop (NAME, "."), | |
503 | exp_intop (0xfff))); | |
504 | t = exp_binop ('&', | |
505 | exp_binop ('+', t, exp_intop (31)), | |
249172c3 | 506 | exp_intop (~(bfd_vma) 31)); |
7a5df8d0 | 507 | lang_section_start (".data", t, NULL); |
252b5132 RH |
508 | } |
509 | break; | |
510 | ||
511 | case OPTION_PT: | |
512 | /* This set the page that the .text section is supposed to start | |
7fc44b9c AM |
513 | on. The offset within the page should still be the offset |
514 | within the file. */ | |
c89e8944 | 515 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 RH |
516 | if (*end != '\0') |
517 | einfo ("%P: warning: ignoring invalid -pT number %s\n", optarg); | |
518 | else | |
519 | { | |
520 | etree_type *t; | |
521 | ||
522 | t = exp_binop ('+', | |
523 | exp_intop (val), | |
524 | exp_nameop (SIZEOF_HEADERS, NULL)); | |
525 | t = exp_binop ('&', | |
526 | exp_binop ('+', t, exp_intop (31)), | |
249172c3 | 527 | exp_intop (~(bfd_vma) 31)); |
7a5df8d0 | 528 | lang_section_start (".text", t, NULL); |
252b5132 RH |
529 | } |
530 | break; | |
531 | ||
532 | case OPTION_STRCMPCT: | |
b34976b6 | 533 | link_info.traditional_format = FALSE; |
252b5132 RH |
534 | break; |
535 | ||
536 | case OPTION_UNIX: | |
b34976b6 | 537 | unix_ld = TRUE; |
252b5132 | 538 | break; |
742aeb63 TR |
539 | |
540 | case OPTION_32: | |
541 | is_64bit = 0; | |
542 | syscall_mask = 0x77; | |
543 | symbol_mode_mask = 0x0d; | |
544 | break; | |
545 | ||
546 | case OPTION_64: | |
547 | is_64bit = 1; | |
548 | syscall_mask = 0xcc; | |
549 | symbol_mode_mask = 0x0e; | |
550 | break; | |
551 | ||
aa67bccf | 552 | case OPTION_LIBPATH: |
cc7e59b2 | 553 | command_line_blibpath = optarg; |
aa67bccf TR |
554 | break; |
555 | ||
556 | case OPTION_NOLIBPATH: | |
cc7e59b2 | 557 | command_line_blibpath = NULL; |
aa67bccf TR |
558 | break; |
559 | ||
252b5132 RH |
560 | } |
561 | ||
3bcf5557 | 562 | return TRUE; |
252b5132 RH |
563 | } |
564 | ||
565 | /* This is called when an input file can not be recognized as a BFD | |
566 | object or an archive. If the file starts with #!, we must treat it | |
567 | as an import file. This is for AIX compatibility. */ | |
568 | ||
b34976b6 | 569 | static bfd_boolean |
0c7a8e5a | 570 | gld${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry) |
252b5132 RH |
571 | { |
572 | FILE *e; | |
b34976b6 | 573 | bfd_boolean ret; |
252b5132 RH |
574 | |
575 | e = fopen (entry->filename, FOPEN_RT); | |
576 | if (e == NULL) | |
b34976b6 | 577 | return FALSE; |
252b5132 | 578 | |
b34976b6 | 579 | ret = FALSE; |
252b5132 RH |
580 | |
581 | if (getc (e) == '#' && getc (e) == '!') | |
582 | { | |
583 | struct filelist *n; | |
584 | struct filelist **flpp; | |
585 | ||
586 | n = (struct filelist *) xmalloc (sizeof (struct filelist)); | |
587 | n->next = NULL; | |
588 | n->name = entry->filename; | |
589 | flpp = &import_files; | |
590 | while (*flpp != NULL) | |
591 | flpp = &(*flpp)->next; | |
592 | *flpp = n; | |
593 | ||
b34976b6 AM |
594 | ret = TRUE; |
595 | entry->loaded = TRUE; | |
252b5132 RH |
596 | } |
597 | ||
598 | fclose (e); | |
599 | ||
600 | return ret; | |
601 | } | |
602 | ||
603 | /* This is called after the input files have been opened. */ | |
604 | ||
605 | static void | |
0c7a8e5a | 606 | gld${EMULATION_NAME}_after_open (void) |
252b5132 | 607 | { |
b34976b6 | 608 | bfd_boolean r; |
252b5132 RH |
609 | struct set_info *p; |
610 | ||
611 | /* Call ldctor_build_sets, after pretending that this is a | |
1049f94e | 612 | relocatable link. We do this because AIX requires relocation |
252b5132 RH |
613 | entries for all references to symbols, even in a final |
614 | executable. Of course, we only want to do this if we are | |
615 | producing an XCOFF output file. */ | |
1049f94e | 616 | r = link_info.relocatable; |
f13a99db | 617 | if (strstr (bfd_get_target (link_info.output_bfd), "xcoff") != NULL) |
1049f94e | 618 | link_info.relocatable = TRUE; |
252b5132 | 619 | ldctor_build_sets (); |
1049f94e | 620 | link_info.relocatable = r; |
252b5132 RH |
621 | |
622 | /* For each set, record the size, so that the XCOFF backend can | |
623 | output the correct csect length. */ | |
624 | for (p = sets; p != (struct set_info *) NULL; p = p->next) | |
625 | { | |
626 | bfd_size_type size; | |
627 | ||
628 | /* If the symbol is defined, we may have been invoked from | |
7fc44b9c AM |
629 | collect, and the sets may already have been built, so we do |
630 | not do anything. */ | |
252b5132 RH |
631 | if (p->h->type == bfd_link_hash_defined |
632 | || p->h->type == bfd_link_hash_defweak) | |
633 | continue; | |
634 | ||
635 | if (p->reloc != BFD_RELOC_CTOR) | |
636 | { | |
637 | /* Handle this if we need to. */ | |
638 | abort (); | |
639 | } | |
640 | ||
641 | size = (p->count + 2) * 4; | |
f13a99db AM |
642 | if (!bfd_xcoff_link_record_set (link_info.output_bfd, &link_info, |
643 | p->h, size)) | |
252b5132 RH |
644 | einfo ("%F%P: bfd_xcoff_link_record_set failed: %E\n"); |
645 | } | |
646 | } | |
647 | ||
648 | /* This is called after the sections have been attached to output | |
649 | sections, but before any sizes or addresses have been set. */ | |
650 | ||
651 | static void | |
0c7a8e5a | 652 | gld${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
653 | { |
654 | struct filelist *fl; | |
655 | struct export_symbol_list *el; | |
656 | char *libpath; | |
3b1b01cf | 657 | asection *special_sections[XCOFF_NUMBER_OF_SPECIAL_SECTIONS]; |
9ec59d51 RS |
658 | static const char *const must_keep_sections[] = { |
659 | ".text", | |
660 | ".data", | |
661 | ".bss" | |
662 | }; | |
b64232cc | 663 | unsigned int i, flags; |
252b5132 RH |
664 | |
665 | /* Handle the import and export files, if any. */ | |
666 | for (fl = import_files; fl != NULL; fl = fl->next) | |
b34976b6 | 667 | gld${EMULATION_NAME}_read_file (fl->name, TRUE); |
fab80407 AM |
668 | for (el = export_symbols; el != NULL; el = el->next) |
669 | { | |
670 | struct bfd_link_hash_entry *h; | |
671 | ||
b34976b6 | 672 | h = bfd_link_hash_lookup (link_info.hash, el->name, FALSE, FALSE, FALSE); |
fab80407 AM |
673 | if (h == NULL) |
674 | einfo ("%P%F: bfd_link_hash_lookup of export symbol failed: %E\n"); | |
f13a99db | 675 | if (!bfd_xcoff_export_symbol (link_info.output_bfd, &link_info, h)) |
fab80407 AM |
676 | einfo ("%P%F: bfd_xcoff_export_symbol failed: %E\n"); |
677 | } | |
252b5132 RH |
678 | |
679 | /* Track down all relocations called for by the linker script (these | |
680 | are typically constructor/destructor entries created by | |
681 | CONSTRUCTORS) and let the backend know it will need to create | |
682 | .loader relocs for them. */ | |
683 | lang_for_each_statement (gld${EMULATION_NAME}_find_relocs); | |
684 | ||
aa67bccf | 685 | /* Precedence of LIBPATH |
7fc44b9c AM |
686 | -blibpath: native support always first |
687 | -rpath: gnu extension | |
688 | -L build from command line -L's */ | |
aa67bccf TR |
689 | if (command_line_blibpath != NULL) |
690 | libpath = command_line_blibpath; | |
691 | else if (command_line.rpath != NULL) | |
252b5132 RH |
692 | libpath = command_line.rpath; |
693 | else if (search_head == NULL) | |
694 | libpath = (char *) ""; | |
695 | else | |
696 | { | |
697 | size_t len; | |
698 | search_dirs_type *search; | |
699 | ||
057cac08 NC |
700 | /* PR ld/4023: Strip sysroot prefix from any paths |
701 | being inserted into the output binary's DT_RPATH. */ | |
702 | if (ld_sysroot != NULL | |
703 | && * ld_sysroot != 0) | |
252b5132 | 704 | { |
057cac08 NC |
705 | const char * name = search_head->name; |
706 | size_t ld_sysroot_len = strlen (ld_sysroot); | |
252b5132 | 707 | |
057cac08 NC |
708 | if (strncmp (name, ld_sysroot, ld_sysroot_len) == 0) |
709 | name += ld_sysroot_len; | |
710 | ||
711 | len = strlen (name); | |
712 | libpath = xmalloc (len + 1); | |
713 | strcpy (libpath, name); | |
714 | ||
715 | for (search = search_head->next; search != NULL; search = search->next) | |
716 | { | |
717 | size_t nlen; | |
718 | ||
719 | name = search->name; | |
720 | if (strncmp (name, ld_sysroot, ld_sysroot_len) == 0) | |
721 | name += ld_sysroot_len; | |
722 | ||
723 | nlen = strlen (name); | |
724 | libpath = xrealloc (libpath, len + nlen + 2); | |
725 | libpath[len] = ':'; | |
726 | strcpy (libpath + len + 1, name); | |
727 | len += nlen + 1; | |
728 | } | |
729 | } | |
730 | else | |
731 | { | |
732 | len = strlen (search_head->name); | |
733 | libpath = xmalloc (len + 1); | |
734 | strcpy (libpath, search_head->name); | |
735 | ||
736 | for (search = search_head->next; search != NULL; search = search->next) | |
737 | { | |
738 | size_t nlen; | |
739 | ||
740 | nlen = strlen (search->name); | |
741 | libpath = xrealloc (libpath, len + nlen + 2); | |
742 | libpath[len] = ':'; | |
743 | strcpy (libpath + len + 1, search->name); | |
744 | len += nlen + 1; | |
745 | } | |
252b5132 RH |
746 | } |
747 | } | |
748 | ||
b64232cc RS |
749 | /* Default to -bexpfull for SVR4-like semantics. */ |
750 | flags = (unix_ld ? XCOFF_EXPFULL : 0); | |
751 | flags &= ~explicit_auto_export_flags; | |
752 | flags |= auto_export_flags; | |
753 | ||
252b5132 | 754 | /* Let the XCOFF backend set up the .loader section. */ |
7fc44b9c | 755 | if (!bfd_xcoff_size_dynamic_sections |
f13a99db | 756 | (link_info.output_bfd, &link_info, libpath, entry_symbol.name, file_align, |
b34976b6 | 757 | maxstack, maxdata, gc && !unix_ld ? TRUE : FALSE, |
b64232cc | 758 | modtype, textro ? TRUE : FALSE, flags, special_sections, |
b34976b6 | 759 | rtld ? TRUE : FALSE)) |
252b5132 RH |
760 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); |
761 | ||
762 | /* Look through the special sections, and put them in the right | |
763 | place in the link ordering. This is especially magic. */ | |
fab80407 AM |
764 | for (i = 0; i < XCOFF_NUMBER_OF_SPECIAL_SECTIONS; i++) |
765 | { | |
766 | asection *sec; | |
767 | lang_output_section_statement_type *os; | |
768 | lang_statement_union_type **pls; | |
769 | lang_input_section_type *is; | |
770 | const char *oname; | |
b34976b6 | 771 | bfd_boolean start; |
fab80407 AM |
772 | |
773 | sec = special_sections[i]; | |
774 | if (sec == NULL) | |
775 | continue; | |
3b1b01cf | 776 | |
fab80407 | 777 | /* Remove this section from the list of the output section. |
7fc44b9c | 778 | This assumes we know what the script looks like. */ |
fab80407 AM |
779 | is = NULL; |
780 | os = lang_output_section_find (sec->output_section->name); | |
7fc44b9c | 781 | if (os == NULL) |
fab80407 AM |
782 | einfo ("%P%F: can't find output section %s\n", |
783 | sec->output_section->name); | |
fab80407 AM |
784 | |
785 | for (pls = &os->children.head; *pls != NULL; pls = &(*pls)->header.next) | |
786 | { | |
7fc44b9c | 787 | if ((*pls)->header.type == lang_input_section_enum |
249172c3 | 788 | && (*pls)->input_section.section == sec) |
fab80407 | 789 | { |
249172c3 | 790 | is = (lang_input_section_type *) * pls; |
fab80407 | 791 | *pls = (*pls)->header.next; |
252b5132 | 792 | break; |
fab80407 AM |
793 | } |
794 | ||
795 | if ((*pls)->header.type == lang_wild_statement_enum) | |
796 | { | |
797 | lang_statement_union_type **pwls; | |
798 | ||
799 | for (pwls = &(*pls)->wild_statement.children.head; | |
249172c3 | 800 | *pwls != NULL; pwls = &(*pwls)->header.next) |
fab80407 AM |
801 | { |
802 | ||
7fc44b9c | 803 | if ((*pwls)->header.type == lang_input_section_enum |
249172c3 | 804 | && (*pwls)->input_section.section == sec) |
fab80407 | 805 | { |
249172c3 | 806 | is = (lang_input_section_type *) * pwls; |
fab80407 AM |
807 | *pwls = (*pwls)->header.next; |
808 | break; | |
809 | } | |
810 | } | |
811 | ||
812 | if (is != NULL) | |
813 | break; | |
814 | } | |
815 | } | |
816 | ||
817 | if (is == NULL) | |
818 | { | |
819 | einfo ("%P%F: can't find %s in output section\n", | |
820 | bfd_get_section_name (sec->owner, sec)); | |
3b1b01cf | 821 | } |
fab80407 AM |
822 | |
823 | /* Now figure out where the section should go. */ | |
824 | switch (i) | |
825 | { | |
826 | ||
249172c3 | 827 | default: /* to avoid warnings */ |
fab80407 AM |
828 | case XCOFF_SPECIAL_SECTION_TEXT: |
829 | /* _text */ | |
830 | oname = ".text"; | |
b34976b6 | 831 | start = TRUE; |
3b1b01cf | 832 | break; |
252b5132 | 833 | |
fab80407 AM |
834 | case XCOFF_SPECIAL_SECTION_ETEXT: |
835 | /* _etext */ | |
836 | oname = ".text"; | |
b34976b6 | 837 | start = FALSE; |
fab80407 | 838 | break; |
252b5132 | 839 | |
fab80407 AM |
840 | case XCOFF_SPECIAL_SECTION_DATA: |
841 | /* _data */ | |
842 | oname = ".data"; | |
b34976b6 | 843 | start = TRUE; |
fab80407 | 844 | break; |
252b5132 | 845 | |
fab80407 AM |
846 | case XCOFF_SPECIAL_SECTION_EDATA: |
847 | /* _edata */ | |
848 | oname = ".data"; | |
b34976b6 | 849 | start = FALSE; |
fab80407 AM |
850 | break; |
851 | ||
852 | case XCOFF_SPECIAL_SECTION_END: | |
853 | case XCOFF_SPECIAL_SECTION_END2: | |
854 | /* _end and end */ | |
855 | oname = ".bss"; | |
b34976b6 | 856 | start = FALSE; |
fab80407 AM |
857 | break; |
858 | } | |
252b5132 | 859 | |
fab80407 | 860 | os = lang_output_section_find (oname); |
252b5132 | 861 | |
fab80407 AM |
862 | if (start) |
863 | { | |
864 | is->header.next = os->children.head; | |
865 | os->children.head = (lang_statement_union_type *) is; | |
866 | } | |
867 | else | |
868 | { | |
869 | is->header.next = NULL; | |
870 | lang_statement_append (&os->children, | |
871 | (lang_statement_union_type *) is, | |
872 | &is->header.next); | |
873 | } | |
3b1b01cf | 874 | } |
8423293d | 875 | |
9ec59d51 RS |
876 | /* Executables and shared objects must always have .text, .data |
877 | and .bss output sections, so that the header can refer to them. | |
878 | The kernel refuses to load objects that have missing sections. */ | |
879 | if (!link_info.relocatable) | |
880 | for (i = 0; i < ARRAY_SIZE (must_keep_sections); i++) | |
881 | { | |
882 | asection *sec; | |
883 | ||
884 | sec = bfd_get_section_by_name (link_info.output_bfd, | |
885 | must_keep_sections[i]); | |
886 | if (sec == NULL) | |
887 | einfo ("%P: can't find required output section %s\n", must_keep_sections[i]); | |
888 | else | |
889 | sec->flags |= SEC_KEEP; | |
890 | } | |
891 | ||
1e035701 | 892 | before_allocation_default (); |
3b1b01cf TR |
893 | } |
894 | ||
742aeb63 | 895 | static char * |
0c7a8e5a | 896 | gld${EMULATION_NAME}_choose_target (int argc, char **argv) |
742aeb63 TR |
897 | { |
898 | int i, j, jmax; | |
899 | static char *from_outside; | |
900 | static char *from_inside; | |
7fc44b9c | 901 | static char *argv_to_target[][2] = { |
249172c3 | 902 | {NULL, "${OUTPUT_FORMAT}"}, |
eb1e0e80 NC |
903 | {"-b32", "${OUTPUT_FORMAT_32BIT}"}, |
904 | {"-b64", "${OUTPUT_FORMAT_64BIT}"}, | |
249172c3 | 905 | }; |
742aeb63 TR |
906 | |
907 | jmax = 3; | |
908 | ||
909 | from_outside = getenv (TARGET_ENVIRON); | |
249172c3 | 910 | if (from_outside != (char *) NULL) |
742aeb63 TR |
911 | return from_outside; |
912 | ||
913 | /* Set to default. */ | |
914 | from_inside = argv_to_target[0][1]; | |
915 | for (i = 1; i < argc; i++) | |
916 | { | |
7fc44b9c | 917 | for (j = 1; j < jmax; j++) |
742aeb63 TR |
918 | { |
919 | if (0 == strcmp (argv[i], argv_to_target[j][0])) | |
920 | from_inside = argv_to_target[j][1]; | |
921 | } | |
922 | } | |
249172c3 | 923 | |
742aeb63 TR |
924 | return from_inside; |
925 | } | |
926 | ||
7fc44b9c | 927 | /* Returns |
249172c3 TR |
928 | 1 : state changed |
929 | 0 : no change */ | |
7fc44b9c | 930 | static int |
0c7a8e5a | 931 | change_symbol_mode (char *input) |
3b1b01cf | 932 | { |
3b1b01cf | 933 | char *symbol_mode_string[] = { |
249172c3 TR |
934 | "# 32", /* 0x01 */ |
935 | "# 64", /* 0x02 */ | |
936 | "# no32", /* 0x04 */ | |
937 | "# no64", /* 0x08 */ | |
3b1b01cf TR |
938 | NULL, |
939 | }; | |
249172c3 | 940 | |
3b1b01cf TR |
941 | unsigned int bit; |
942 | char *string; | |
943 | ||
249172c3 | 944 | for (bit = 0;; bit++) |
fab80407 AM |
945 | { |
946 | string = symbol_mode_string[bit]; | |
249172c3 | 947 | if (string == NULL) |
fab80407 AM |
948 | return 0; |
949 | ||
950 | if (0 == strcmp (input, string)) | |
951 | { | |
952 | symbol_mode = (1 << bit); | |
953 | return 1; | |
954 | } | |
3b1b01cf | 955 | } |
3b1b01cf TR |
956 | /* should not be here */ |
957 | return 0; | |
958 | } | |
959 | ||
7fc44b9c | 960 | /* Returns |
249172c3 TR |
961 | 1 : yes |
962 | 0 : ignore | |
963 | -1 : error, try something else */ | |
7fc44b9c | 964 | static int |
0c7a8e5a | 965 | is_syscall (char *input, unsigned int *flag) |
3b1b01cf | 966 | { |
3b1b01cf TR |
967 | unsigned int bit; |
968 | char *string; | |
7fc44b9c | 969 | |
1fdf0249 TR |
970 | struct sc { |
971 | char *syscall_string; | |
972 | unsigned int flag; | |
973 | } s [] = { | |
974 | { "svc" /* 0x01 */, XCOFF_SYSCALL32 }, | |
975 | { "svc32" /* 0x02 */, XCOFF_SYSCALL32 }, | |
976 | { "svc3264" /* 0x04 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 }, | |
977 | { "svc64" /* 0x08 */, XCOFF_SYSCALL64 }, | |
978 | { "syscall" /* 0x10 */, XCOFF_SYSCALL32 }, | |
979 | { "syscall32" /* 0x20 */, XCOFF_SYSCALL32 }, | |
980 | { "syscall3264" /* 0x40 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 }, | |
981 | { "syscall64" /* 0x80 */, XCOFF_SYSCALL64 }, | |
982 | { NULL, 0 }, | |
3b1b01cf TR |
983 | }; |
984 | ||
1fdf0249 | 985 | *flag = 0; |
3b1b01cf | 986 | |
7fc44b9c | 987 | for (bit = 0;; bit++) |
249172c3 TR |
988 | { |
989 | string = s[bit].syscall_string; | |
7fc44b9c | 990 | if (string == NULL) |
249172c3 | 991 | return -1; |
fab80407 | 992 | |
7fc44b9c | 993 | if (0 == strcmp (input, string)) |
249172c3 | 994 | { |
7fc44b9c | 995 | if (1 << bit & syscall_mask) |
249172c3 TR |
996 | { |
997 | *flag = s[bit].flag; | |
998 | return 1; | |
7fc44b9c AM |
999 | } |
1000 | else | |
249172c3 TR |
1001 | { |
1002 | return 0; | |
1003 | } | |
1004 | } | |
252b5132 | 1005 | } |
3b1b01cf TR |
1006 | /* should not be here */ |
1007 | return -1; | |
252b5132 RH |
1008 | } |
1009 | ||
1010 | /* Read an import or export file. For an import file, this is called | |
1011 | by the before_allocation emulation routine. For an export file, | |
3bcf5557 | 1012 | this is called by the handle_option emulation routine. */ |
252b5132 RH |
1013 | |
1014 | static void | |
0c7a8e5a | 1015 | gld${EMULATION_NAME}_read_file (const char *filename, bfd_boolean import) |
252b5132 RH |
1016 | { |
1017 | struct obstack *o; | |
1018 | FILE *f; | |
1019 | int lineno; | |
1020 | int c; | |
b34976b6 | 1021 | bfd_boolean keep; |
252b5132 RH |
1022 | const char *imppath; |
1023 | const char *impfile; | |
1024 | const char *impmember; | |
1025 | ||
1026 | o = (struct obstack *) xmalloc (sizeof (struct obstack)); | |
1027 | obstack_specify_allocation (o, 0, 0, xmalloc, gld${EMULATION_NAME}_free); | |
1028 | ||
1029 | f = fopen (filename, FOPEN_RT); | |
1030 | if (f == NULL) | |
1031 | { | |
1032 | bfd_set_error (bfd_error_system_call); | |
1033 | einfo ("%F%s: %E\n", filename); | |
1034 | } | |
1035 | ||
b34976b6 | 1036 | keep = FALSE; |
252b5132 RH |
1037 | |
1038 | imppath = NULL; | |
1039 | impfile = NULL; | |
1040 | impmember = NULL; | |
1041 | ||
1042 | lineno = 0; | |
3b1b01cf | 1043 | |
69f284c7 TR |
1044 | /* Default to 32 and 64 bit mode |
1045 | symbols at top of /lib/syscalls.exp do not have a mode modifier and they | |
1046 | are not repeated, assume 64 bit routines also want to use them. | |
1047 | See the routine change_symbol_mode for more information. */ | |
1048 | ||
3b1b01cf TR |
1049 | symbol_mode = 0x04; |
1050 | ||
252b5132 RH |
1051 | while ((c = getc (f)) != EOF) |
1052 | { | |
1053 | char *s; | |
1054 | char *symname; | |
1fdf0249 | 1055 | unsigned int syscall_flag = 0; |
252b5132 RH |
1056 | bfd_vma address; |
1057 | struct bfd_link_hash_entry *h; | |
1058 | ||
1059 | if (c != '\n') | |
1060 | { | |
1061 | obstack_1grow (o, c); | |
1062 | continue; | |
1063 | } | |
1064 | ||
1065 | obstack_1grow (o, '\0'); | |
1066 | ++lineno; | |
1067 | ||
1068 | s = (char *) obstack_base (o); | |
3882b010 | 1069 | while (ISSPACE (*s)) |
252b5132 | 1070 | ++s; |
fab80407 AM |
1071 | if (*s == '\0' |
1072 | || *s == '*' | |
1073 | || change_symbol_mode (s) | |
1074 | || (*s == '#' && s[1] == ' ') | |
249172c3 | 1075 | || (!import && *s == '#' && s[1] == '!')) |
252b5132 RH |
1076 | { |
1077 | obstack_free (o, obstack_base (o)); | |
1078 | continue; | |
1079 | } | |
1080 | ||
1081 | if (*s == '#' && s[1] == '!') | |
1082 | { | |
1083 | s += 2; | |
3882b010 | 1084 | while (ISSPACE (*s)) |
252b5132 RH |
1085 | ++s; |
1086 | if (*s == '\0') | |
1087 | { | |
1088 | imppath = NULL; | |
1089 | impfile = NULL; | |
1090 | impmember = NULL; | |
1091 | obstack_free (o, obstack_base (o)); | |
1092 | } | |
1093 | else if (*s == '(') | |
1094 | einfo ("%F%s%d: #! ([member]) is not supported in import files\n", | |
1095 | filename, lineno); | |
1096 | else | |
1097 | { | |
1098 | char cs; | |
24c611d1 | 1099 | char *start; |
252b5132 RH |
1100 | |
1101 | (void) obstack_finish (o); | |
b34976b6 | 1102 | keep = TRUE; |
24c611d1 | 1103 | start = s; |
249172c3 | 1104 | while (!ISSPACE (*s) && *s != '(' && *s != '\0') |
24c611d1 | 1105 | ++s; |
252b5132 RH |
1106 | cs = *s; |
1107 | *s = '\0'; | |
24c611d1 RS |
1108 | if (!bfd_xcoff_split_import_path (link_info.output_bfd, |
1109 | start, &imppath, &impfile)) | |
1110 | einfo ("%F%P: Could not parse import path: %E\n"); | |
3882b010 | 1111 | while (ISSPACE (cs)) |
252b5132 RH |
1112 | { |
1113 | ++s; | |
1114 | cs = *s; | |
1115 | } | |
1116 | if (cs != '(') | |
1117 | { | |
1118 | impmember = ""; | |
1119 | if (cs != '\0') | |
1120 | einfo ("%s:%d: warning: syntax error in import file\n", | |
1121 | filename, lineno); | |
1122 | } | |
1123 | else | |
1124 | { | |
1125 | ++s; | |
1126 | impmember = s; | |
1127 | while (*s != ')' && *s != '\0') | |
1128 | ++s; | |
1129 | if (*s == ')') | |
1130 | *s = '\0'; | |
1131 | else | |
1132 | einfo ("%s:%d: warning: syntax error in import file\n", | |
1133 | filename, lineno); | |
1134 | } | |
1135 | } | |
1136 | ||
1137 | continue; | |
1138 | } | |
1139 | ||
742aeb63 | 1140 | if (symbol_mode & symbol_mode_mask) |
fab80407 AM |
1141 | { |
1142 | /* This is a symbol to be imported or exported. */ | |
1143 | symname = s; | |
1fdf0249 | 1144 | syscall_flag = 0; |
fab80407 AM |
1145 | address = (bfd_vma) -1; |
1146 | ||
249172c3 | 1147 | while (!ISSPACE (*s) && *s != '\0') |
fab80407 AM |
1148 | ++s; |
1149 | if (*s != '\0') | |
1150 | { | |
1151 | char *se; | |
3b1b01cf | 1152 | |
fab80407 | 1153 | *s++ = '\0'; |
3b1b01cf | 1154 | |
3882b010 | 1155 | while (ISSPACE (*s)) |
fab80407 AM |
1156 | ++s; |
1157 | ||
1158 | se = s; | |
249172c3 | 1159 | while (!ISSPACE (*se) && *se != '\0') |
fab80407 AM |
1160 | ++se; |
1161 | if (*se != '\0') | |
1162 | { | |
1163 | *se++ = '\0'; | |
3882b010 | 1164 | while (ISSPACE (*se)) |
fab80407 AM |
1165 | ++se; |
1166 | if (*se != '\0') | |
1167 | einfo ("%s%d: warning: syntax error in import/export file\n", | |
1168 | filename, lineno); | |
1169 | } | |
1170 | ||
1171 | if (s != se) | |
1172 | { | |
1173 | int status; | |
c89e8944 | 1174 | const char *end; |
fab80407 | 1175 | |
249172c3 | 1176 | status = is_syscall (s, &syscall_flag); |
7fc44b9c AM |
1177 | |
1178 | if (0 > status) | |
249172c3 TR |
1179 | { |
1180 | /* not a system call, check for address */ | |
c89e8944 | 1181 | address = bfd_scan_vma (s, &end, 0); |
249172c3 TR |
1182 | if (*end != '\0') |
1183 | { | |
1184 | einfo ("%s:%d: warning: syntax error in import/export file\n", | |
1185 | filename, lineno); | |
7fc44b9c | 1186 | |
249172c3 TR |
1187 | } |
1188 | } | |
3b1b01cf | 1189 | } |
252b5132 | 1190 | } |
3b1b01cf | 1191 | |
249172c3 | 1192 | if (!import) |
fab80407 AM |
1193 | { |
1194 | struct export_symbol_list *n; | |
1195 | ||
24898b70 | 1196 | ldlang_add_undef (symname, TRUE); |
fab80407 AM |
1197 | n = ((struct export_symbol_list *) |
1198 | xmalloc (sizeof (struct export_symbol_list))); | |
1199 | n->next = export_symbols; | |
1200 | n->name = xstrdup (symname); | |
fab80407 AM |
1201 | export_symbols = n; |
1202 | } | |
1203 | else | |
1204 | { | |
b34976b6 AM |
1205 | h = bfd_link_hash_lookup (link_info.hash, symname, FALSE, FALSE, |
1206 | TRUE); | |
fab80407 AM |
1207 | if (h == NULL || h->type == bfd_link_hash_new) |
1208 | { | |
1209 | /* We can just ignore attempts to import an unreferenced | |
1210 | symbol. */ | |
1211 | } | |
1212 | else | |
1213 | { | |
f13a99db AM |
1214 | if (!bfd_xcoff_import_symbol (link_info.output_bfd, |
1215 | &link_info, h, | |
249172c3 TR |
1216 | address, imppath, impfile, |
1217 | impmember, syscall_flag)) | |
fab80407 AM |
1218 | einfo ("%X%s:%d: failed to import symbol %s: %E\n", |
1219 | filename, lineno, symname); | |
1220 | } | |
1221 | } | |
1222 | } | |
252b5132 RH |
1223 | obstack_free (o, obstack_base (o)); |
1224 | } | |
fab80407 | 1225 | |
252b5132 RH |
1226 | if (obstack_object_size (o) > 0) |
1227 | { | |
fab80407 AM |
1228 | einfo ("%s:%d: warning: ignoring unterminated last line\n", |
1229 | filename, lineno); | |
1230 | obstack_free (o, obstack_base (o)); | |
1231 | } | |
252b5132 | 1232 | |
249172c3 | 1233 | if (!keep) |
fab80407 AM |
1234 | { |
1235 | obstack_free (o, NULL); | |
1236 | free (o); | |
252b5132 | 1237 | } |
fab80407 | 1238 | } |
252b5132 RH |
1239 | |
1240 | /* This routine saves us from worrying about declaring free. */ | |
1241 | ||
1242 | static void | |
0c7a8e5a | 1243 | gld${EMULATION_NAME}_free (void *p) |
252b5132 RH |
1244 | { |
1245 | free (p); | |
1246 | } | |
1247 | ||
1248 | /* This is called by the before_allocation routine via | |
1249 | lang_for_each_statement. It looks for relocations and assignments | |
1250 | to symbols. */ | |
1251 | ||
1252 | static void | |
0c7a8e5a | 1253 | gld${EMULATION_NAME}_find_relocs (lang_statement_union_type *s) |
252b5132 RH |
1254 | { |
1255 | if (s->header.type == lang_reloc_statement_enum) | |
1256 | { | |
1257 | lang_reloc_statement_type *rs; | |
1258 | ||
1259 | rs = &s->reloc_statement; | |
1260 | if (rs->name == NULL) | |
1261 | einfo ("%F%P: only relocations against symbols are permitted\n"); | |
f13a99db AM |
1262 | if (!bfd_xcoff_link_count_reloc (link_info.output_bfd, &link_info, |
1263 | rs->name)) | |
252b5132 RH |
1264 | einfo ("%F%P: bfd_xcoff_link_count_reloc failed: %E\n"); |
1265 | } | |
1266 | ||
1267 | if (s->header.type == lang_assignment_statement_enum) | |
1268 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
1269 | } | |
1270 | ||
1271 | /* Look through an expression for an assignment statement. */ | |
1272 | ||
1273 | static void | |
0c7a8e5a | 1274 | gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp) |
252b5132 RH |
1275 | { |
1276 | struct bfd_link_hash_entry *h; | |
1277 | ||
1278 | switch (exp->type.node_class) | |
1279 | { | |
1280 | case etree_provide: | |
1281 | h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst, | |
b34976b6 | 1282 | FALSE, FALSE, FALSE); |
252b5132 RH |
1283 | if (h == NULL) |
1284 | break; | |
1285 | /* Fall through. */ | |
1286 | case etree_assign: | |
1287 | if (strcmp (exp->assign.dst, ".") != 0) | |
1288 | { | |
f13a99db AM |
1289 | if (!bfd_xcoff_record_link_assignment (link_info.output_bfd, |
1290 | &link_info, | |
249172c3 | 1291 | exp->assign.dst)) |
252b5132 RH |
1292 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
1293 | exp->assign.dst); | |
1294 | } | |
1295 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); | |
1296 | break; | |
1297 | ||
1298 | case etree_binary: | |
1299 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
1300 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
1301 | break; | |
1302 | ||
1303 | case etree_trinary: | |
1304 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
1305 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
1306 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
1307 | break; | |
1308 | ||
1309 | case etree_unary: | |
1310 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
1311 | break; | |
1312 | ||
1313 | default: | |
1314 | break; | |
1315 | } | |
1316 | } | |
1317 | ||
1318 | static char * | |
0c7a8e5a | 1319 | gld${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
1320 | EOF |
1321 | ||
1322 | if test -n "$COMPILE_IN" | |
1323 | then | |
1324 | # Scripts compiled in. | |
1325 | ||
1326 | # sed commands to quote an ld script as a C string. | |
5f642101 | 1327 | sc="-f ${srcdir}/emultempl/ostring.sed" |
252b5132 | 1328 | |
92b93329 | 1329 | fragment <<EOF |
fab80407 | 1330 | { |
252b5132 RH |
1331 | *isfile = 0; |
1332 | ||
1049f94e | 1333 | if (link_info.relocatable && config.build_constructors) |
252b5132 RH |
1334 | return |
1335 | EOF | |
b34976b6 | 1336 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1049f94e | 1337 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c |
b34976b6 AM |
1338 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
1339 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1340 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
1341 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
1342 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
1343 | echo ' ; else return' >> e${EMULATION_NAME}.c | |
1344 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1345 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
1346 | |
1347 | else | |
1348 | # Scripts read from the filesystem. | |
1349 | ||
92b93329 | 1350 | fragment <<EOF |
fab80407 | 1351 | { |
252b5132 RH |
1352 | *isfile = 1; |
1353 | ||
1049f94e | 1354 | if (link_info.relocatable && config.build_constructors) |
252b5132 | 1355 | return "ldscripts/${EMULATION_NAME}.xu"; |
1049f94e | 1356 | else if (link_info.relocatable) |
252b5132 RH |
1357 | return "ldscripts/${EMULATION_NAME}.xr"; |
1358 | else if (!config.text_read_only) | |
1359 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
1360 | else if (!config.magic_demand_paged) | |
1361 | return "ldscripts/${EMULATION_NAME}.xn"; | |
1362 | else | |
1363 | return "ldscripts/${EMULATION_NAME}.x"; | |
1364 | } | |
1365 | EOF | |
1366 | ||
1367 | fi | |
1368 | ||
92b93329 | 1369 | fragment <<EOF |
252b5132 | 1370 | |
7fc44b9c | 1371 | static void |
0c7a8e5a | 1372 | gld${EMULATION_NAME}_create_output_section_statements (void) |
9a4c7f16 TR |
1373 | { |
1374 | /* __rtinit */ | |
f13a99db | 1375 | if ((bfd_get_flavour (link_info.output_bfd) == bfd_target_xcoff_flavour) |
7fc44b9c | 1376 | && (link_info.init_function != NULL |
69f284c7 | 1377 | || link_info.fini_function != NULL |
b34976b6 | 1378 | || rtld)) |
9a4c7f16 | 1379 | { |
9a4c7f16 TR |
1380 | initfini_file = lang_add_input_file ("initfini", |
1381 | lang_input_file_is_file_enum, | |
1382 | NULL); | |
7fc44b9c | 1383 | |
f13a99db | 1384 | initfini_file->the_bfd = bfd_create ("initfini", link_info.output_bfd); |
9a4c7f16 TR |
1385 | if (initfini_file->the_bfd == NULL |
1386 | || ! bfd_set_arch_mach (initfini_file->the_bfd, | |
f13a99db AM |
1387 | bfd_get_arch (link_info.output_bfd), |
1388 | bfd_get_mach (link_info.output_bfd))) | |
9a4c7f16 TR |
1389 | { |
1390 | einfo ("%X%P: can not create BFD %E\n"); | |
1391 | return; | |
1392 | } | |
7fc44b9c | 1393 | |
9a4c7f16 | 1394 | /* Call backend to fill in the rest */ |
b34976b6 AM |
1395 | if (! bfd_xcoff_link_generate_rtinit (initfini_file->the_bfd, |
1396 | link_info.init_function, | |
1397 | link_info.fini_function, | |
1398 | rtld)) | |
9a4c7f16 TR |
1399 | { |
1400 | einfo ("%X%P: can not create BFD %E\n"); | |
1401 | return; | |
1402 | } | |
69f284c7 TR |
1403 | |
1404 | /* __rtld defined in /lib/librtl.a */ | |
b34976b6 | 1405 | if (rtld) |
69f284c7 | 1406 | lang_add_input_file ("rtl", lang_input_file_is_l_enum, NULL); |
9a4c7f16 TR |
1407 | } |
1408 | } | |
1409 | ||
f1f0d9ab | 1410 | static void |
0c7a8e5a | 1411 | gld${EMULATION_NAME}_set_output_arch (void) |
f1f0d9ab | 1412 | { |
f13a99db AM |
1413 | bfd_set_arch_mach (link_info.output_bfd, |
1414 | bfd_xcoff_architecture (link_info.output_bfd), | |
1415 | bfd_xcoff_machine (link_info.output_bfd)); | |
f1f0d9ab | 1416 | |
f13a99db AM |
1417 | ldfile_output_architecture = bfd_get_arch (link_info.output_bfd); |
1418 | ldfile_output_machine = bfd_get_mach (link_info.output_bfd); | |
1419 | ldfile_output_machine_name = bfd_printable_name (link_info.output_bfd); | |
f1f0d9ab TR |
1420 | } |
1421 | ||
24c611d1 RS |
1422 | static bfd_boolean |
1423 | gld${EMULATION_NAME}_open_dynamic_archive (const char *arch, | |
1424 | search_dirs_type *search, | |
1425 | lang_input_statement_type *entry) | |
1426 | { | |
24c611d1 RS |
1427 | char *path; |
1428 | ||
b7f95647 | 1429 | if (!entry->maybe_archive) |
24c611d1 RS |
1430 | return FALSE; |
1431 | ||
24c611d1 RS |
1432 | path = concat (search->name, "/lib", entry->filename, arch, ".a", NULL); |
1433 | if (!ldfile_try_open_bfd (path, entry)) | |
1434 | { | |
1435 | free (path); | |
1436 | return FALSE; | |
1437 | } | |
1438 | /* Don't include the searched directory in the import path. */ | |
1439 | bfd_xcoff_set_archive_import_path (&link_info, entry->the_bfd, | |
1440 | path + strlen (search->name) + 1); | |
1441 | entry->filename = path; | |
1442 | return TRUE; | |
1443 | } | |
1444 | ||
249172c3 | 1445 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = { |
252b5132 RH |
1446 | gld${EMULATION_NAME}_before_parse, |
1447 | syslib_default, | |
1448 | hll_default, | |
1449 | after_parse_default, | |
1450 | gld${EMULATION_NAME}_after_open, | |
1451 | after_allocation_default, | |
f1f0d9ab TR |
1452 | gld${EMULATION_NAME}_set_output_arch, |
1453 | gld${EMULATION_NAME}_choose_target, | |
252b5132 RH |
1454 | gld${EMULATION_NAME}_before_allocation, |
1455 | gld${EMULATION_NAME}_get_script, | |
1456 | "${EMULATION_NAME}", | |
1457 | "${OUTPUT_FORMAT}", | |
1e035701 | 1458 | finish_default, |
9a4c7f16 | 1459 | gld${EMULATION_NAME}_create_output_section_statements, |
24c611d1 | 1460 | gld${EMULATION_NAME}_open_dynamic_archive, |
249172c3 TR |
1461 | 0, /* place_orphan */ |
1462 | 0, /* set_symbols */ | |
252b5132 | 1463 | gld${EMULATION_NAME}_parse_args, |
3bcf5557 AM |
1464 | gld${EMULATION_NAME}_add_options, |
1465 | gld${EMULATION_NAME}_handle_option, | |
40d109bf | 1466 | gld${EMULATION_NAME}_unrecognized_file, |
249172c3 TR |
1467 | NULL, /* list_options */ |
1468 | NULL, /* recognized_file */ | |
1469 | NULL, /* find potential_libraries */ | |
fac1652d | 1470 | NULL /* new_vers_pattern */ |
252b5132 RH |
1471 | }; |
1472 | EOF |