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 | 218 | {"bexport", required_argument, NULL, OPTION_EXPORT}, |
ced323bd | 219 | {"bbigtoc", no_argument, NULL, OPTION_IGNORE}, |
252b5132 RH |
220 | {"bf", no_argument, NULL, OPTION_ERNOTOK}, |
221 | {"bgc", no_argument, &gc, 1}, | |
222 | {"bh", required_argument, NULL, OPTION_IGNORE}, | |
223 | {"bhalt", required_argument, NULL, OPTION_IGNORE}, | |
224 | {"bI", required_argument, NULL, OPTION_IMPORT}, | |
225 | {"bimport", required_argument, NULL, OPTION_IMPORT}, | |
3b1b01cf | 226 | {"binitfini", required_argument, NULL, OPTION_INITFINI}, |
252b5132 RH |
227 | {"bl", required_argument, NULL, OPTION_LOADMAP}, |
228 | {"bloadmap", required_argument, NULL, OPTION_LOADMAP}, | |
229 | {"bmaxdata", required_argument, NULL, OPTION_MAXDATA}, | |
230 | {"bmaxstack", required_argument, NULL, OPTION_MAXSTACK}, | |
231 | {"bM", required_argument, NULL, OPTION_MODTYPE}, | |
232 | {"bmodtype", required_argument, NULL, OPTION_MODTYPE}, | |
233 | {"bnoautoimp", no_argument, NULL, OPTION_NOAUTOIMP}, | |
b64232cc RS |
234 | {"bnoexpall", no_argument, NULL, OPTION_NOEXPALL}, |
235 | {"bnoexpfull", no_argument, NULL, OPTION_NOEXPFULL}, | |
252b5132 RH |
236 | {"bnodelcsect", no_argument, NULL, OPTION_IGNORE}, |
237 | {"bnoentry", no_argument, NULL, OPTION_IGNORE}, | |
238 | {"bnogc", no_argument, &gc, 0}, | |
239 | {"bnso", no_argument, NULL, OPTION_NOAUTOIMP}, | |
240 | {"bnostrcmpct", no_argument, NULL, OPTION_NOSTRCMPCT}, | |
241 | {"bnotextro", no_argument, &textro, 0}, | |
242 | {"bnro", no_argument, &textro, 0}, | |
243 | {"bpD", required_argument, NULL, OPTION_PD}, | |
244 | {"bpT", required_argument, NULL, OPTION_PT}, | |
245 | {"bro", no_argument, &textro, 1}, | |
69f284c7 | 246 | {"brtl", no_argument, &rtld, 1}, |
ca10c62d TR |
247 | {"bnortl", no_argument, &rtld, 0}, |
248 | {"bnortllib", no_argument, &rtld, 0}, | |
252b5132 RH |
249 | {"bS", required_argument, NULL, OPTION_MAXSTACK}, |
250 | {"bso", no_argument, NULL, OPTION_AUTOIMP}, | |
251 | {"bstrcmpct", no_argument, NULL, OPTION_STRCMPCT}, | |
252 | {"btextro", no_argument, &textro, 1}, | |
742aeb63 TR |
253 | {"b32", no_argument, NULL, OPTION_32}, |
254 | {"b64", no_argument, NULL, OPTION_64}, | |
252b5132 RH |
255 | {"static", no_argument, NULL, OPTION_NOAUTOIMP}, |
256 | {"unix", no_argument, NULL, OPTION_UNIX}, | |
aa67bccf TR |
257 | {"blibpath", required_argument, NULL, OPTION_LIBPATH}, |
258 | {"bnolibpath", required_argument, NULL, OPTION_NOLIBPATH}, | |
252b5132 RH |
259 | {NULL, no_argument, NULL, 0} |
260 | }; | |
261 | ||
262 | /* Options supported by the AIX linker which we do not support: -f, | |
263 | -S, -v, -Z, -bbindcmds, -bbinder, -bbindopts, -bcalls, -bcaps, | |
264 | -bcror15, -bdebugopt, -bdbg, -bdelcsect, -bex?, -bfilelist, -bfl, | |
265 | -bgcbypass, -bglink, -binsert, -bi, -bloadmap, -bl, -bmap, -bnl, | |
266 | -bnobind, -bnocomprld, -bnocrld, -bnoerrmsg, -bnoglink, | |
267 | -bnoloadmap, -bnl, -bnoobjreorder, -bnoquiet, -bnoreorder, | |
268 | -bnotypchk, -bnox, -bquiet, -bR, -brename, -breorder, -btypchk, | |
269 | -bx, -bX, -bxref. */ | |
270 | ||
3bcf5557 AM |
271 | *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short)); |
272 | memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short)); | |
0c7a8e5a AM |
273 | *longopts = xrealloc (*longopts, |
274 | nl * sizeof (struct option) + sizeof (xtra_long)); | |
3bcf5557 AM |
275 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); |
276 | } | |
277 | ||
278 | static bfd_boolean | |
0c7a8e5a | 279 | gld${EMULATION_NAME}_parse_args (int argc, char **argv) |
3bcf5557 AM |
280 | { |
281 | int indx; | |
282 | ||
252b5132 RH |
283 | /* If the current option starts with -b, change the first : to an =. |
284 | The AIX linker uses : to separate the option from the argument; | |
285 | changing it to = lets us treat it as a getopt option. */ | |
286 | indx = optind; | |
fab80407 | 287 | if (indx == 0) |
249172c3 | 288 | indx = 1; |
fab80407 | 289 | |
0112cd26 | 290 | if (indx < argc && CONST_STRNEQ (argv[indx], "-b")) |
fab80407 AM |
291 | { |
292 | char *s; | |
293 | ||
294 | for (s = argv[indx]; *s != '\0'; s++) | |
295 | { | |
296 | if (*s == ':') | |
297 | { | |
298 | *s = '='; | |
299 | break; | |
300 | } | |
301 | } | |
252b5132 | 302 | } |
3bcf5557 AM |
303 | return FALSE; |
304 | } | |
3b1b01cf | 305 | |
3bcf5557 | 306 | static bfd_boolean |
0c7a8e5a | 307 | gld${EMULATION_NAME}_handle_option (int optc) |
3bcf5557 AM |
308 | { |
309 | bfd_signed_vma val; | |
310 | const char *end; | |
252b5132 RH |
311 | |
312 | switch (optc) | |
313 | { | |
252b5132 | 314 | default: |
3bcf5557 | 315 | return FALSE; |
252b5132 RH |
316 | |
317 | case 0: | |
318 | /* Long option which just sets a flag. */ | |
319 | break; | |
320 | ||
321 | case 'D': | |
c89e8944 | 322 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 RH |
323 | if (*end != '\0') |
324 | einfo ("%P: warning: ignoring invalid -D number %s\n", optarg); | |
325 | else if (val != -1) | |
7a5df8d0 | 326 | lang_section_start (".data", exp_intop (val), NULL); |
252b5132 RH |
327 | break; |
328 | ||
329 | case 'H': | |
c89e8944 | 330 | val = bfd_scan_vma (optarg, &end, 0); |
249172c3 | 331 | if (*end != '\0' || (val & (val - 1)) != 0) |
252b5132 RH |
332 | einfo ("%P: warning: ignoring invalid -H number %s\n", optarg); |
333 | else | |
334 | file_align = val; | |
335 | break; | |
336 | ||
337 | case 'K': | |
338 | case 'z': | |
339 | /* FIXME: This should use the page size for the target system. */ | |
340 | file_align = 4096; | |
341 | break; | |
342 | ||
343 | case 'T': | |
344 | /* On AIX this is the same as GNU ld -Ttext. When we see -T | |
7fc44b9c AM |
345 | number, we assume the AIX option is intended. Otherwise, we |
346 | assume the usual GNU ld -T option is intended. We can't just | |
347 | ignore the AIX option, because gcc passes it to the linker. */ | |
c89e8944 | 348 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 | 349 | if (*end != '\0') |
3bcf5557 | 350 | return FALSE; |
7a5df8d0 | 351 | lang_section_start (".text", exp_intop (val), NULL); |
252b5132 RH |
352 | break; |
353 | ||
354 | case OPTION_IGNORE: | |
355 | break; | |
356 | ||
fab80407 AM |
357 | case OPTION_INITFINI: |
358 | { | |
359 | /* | |
360 | * The aix linker init fini has the format : | |
361 | * | |
362 | * -binitfini:[ Initial][:Termination][:Priority] | |
363 | * | |
364 | * it allows the Termination and Priority to be optional. | |
365 | * | |
366 | * Since we support only one init/fini pair, we ignore the Priority. | |
367 | * | |
368 | * Define the special symbol __rtinit. | |
369 | * | |
370 | * strtok does not correctly handle the case of -binitfini::fini: so | |
371 | * do it by hand | |
372 | */ | |
373 | char *t, *i, *f; | |
374 | ||
375 | i = t = optarg; | |
376 | while (*t && ':' != *t) | |
377 | t++; | |
378 | if (*t) | |
379 | *t++ = 0; | |
380 | ||
381 | if (0 != strlen (i)) | |
249172c3 | 382 | link_info.init_function = i; |
3b1b01cf | 383 | |
fab80407 AM |
384 | f = t; |
385 | while (*t && ':' != *t) | |
386 | t++; | |
387 | *t = 0; | |
3b1b01cf | 388 | |
fab80407 | 389 | if (0 != strlen (f)) |
249172c3 | 390 | link_info.fini_function = f; |
3b1b01cf | 391 | } |
249172c3 | 392 | break; |
7fc44b9c | 393 | |
252b5132 | 394 | case OPTION_AUTOIMP: |
b34976b6 | 395 | link_info.static_link = FALSE; |
252b5132 RH |
396 | break; |
397 | ||
398 | case OPTION_ERNOTOK: | |
858ef0ce RS |
399 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
400 | link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR; | |
252b5132 RH |
401 | break; |
402 | ||
403 | case OPTION_EROK: | |
858ef0ce RS |
404 | link_info.unresolved_syms_in_objects = RM_IGNORE; |
405 | link_info.unresolved_syms_in_shared_libs = RM_IGNORE; | |
252b5132 RH |
406 | break; |
407 | ||
b64232cc RS |
408 | case OPTION_EXPALL: |
409 | auto_export_flags |= XCOFF_EXPALL; | |
410 | explicit_auto_export_flags |= XCOFF_EXPALL; | |
411 | break; | |
412 | ||
413 | case OPTION_EXPFULL: | |
414 | auto_export_flags |= XCOFF_EXPFULL; | |
415 | explicit_auto_export_flags |= XCOFF_EXPFULL; | |
416 | break; | |
417 | ||
252b5132 | 418 | case OPTION_EXPORT: |
b34976b6 | 419 | gld${EMULATION_NAME}_read_file (optarg, FALSE); |
252b5132 RH |
420 | break; |
421 | ||
422 | case OPTION_IMPORT: | |
423 | { | |
424 | struct filelist *n; | |
425 | struct filelist **flpp; | |
426 | ||
427 | n = (struct filelist *) xmalloc (sizeof (struct filelist)); | |
428 | n->next = NULL; | |
429 | n->name = optarg; | |
430 | flpp = &import_files; | |
431 | while (*flpp != NULL) | |
432 | flpp = &(*flpp)->next; | |
433 | *flpp = n; | |
434 | } | |
435 | break; | |
436 | ||
437 | case OPTION_LOADMAP: | |
438 | config.map_filename = optarg; | |
439 | break; | |
440 | ||
441 | case OPTION_MAXDATA: | |
c89e8944 | 442 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 | 443 | if (*end != '\0') |
fab80407 | 444 | einfo ("%P: warning: ignoring invalid -bmaxdata number %s\n", optarg); |
252b5132 RH |
445 | else |
446 | maxdata = val; | |
447 | break; | |
448 | ||
449 | case OPTION_MAXSTACK: | |
c89e8944 | 450 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 | 451 | if (*end != '\0') |
7fc44b9c | 452 | einfo ("%P: warning: ignoring invalid -bmaxstack number %s\n", |
249172c3 | 453 | optarg); |
252b5132 RH |
454 | else |
455 | maxstack = val; | |
456 | break; | |
457 | ||
458 | case OPTION_MODTYPE: | |
459 | if (*optarg == 'S') | |
460 | { | |
b34976b6 | 461 | link_info.shared = TRUE; |
252b5132 RH |
462 | ++optarg; |
463 | } | |
464 | if (*optarg == '\0' || optarg[1] == '\0') | |
465 | einfo ("%P: warning: ignoring invalid module type %s\n", optarg); | |
466 | else | |
467 | modtype = (*optarg << 8) | optarg[1]; | |
468 | break; | |
469 | ||
470 | case OPTION_NOAUTOIMP: | |
b34976b6 | 471 | link_info.static_link = TRUE; |
252b5132 RH |
472 | break; |
473 | ||
b64232cc RS |
474 | case OPTION_NOEXPALL: |
475 | auto_export_flags &= ~XCOFF_EXPALL; | |
476 | explicit_auto_export_flags |= XCOFF_EXPALL; | |
477 | break; | |
478 | ||
479 | case OPTION_NOEXPFULL: | |
480 | auto_export_flags &= ~XCOFF_EXPFULL; | |
481 | explicit_auto_export_flags |= XCOFF_EXPFULL; | |
482 | break; | |
483 | ||
252b5132 | 484 | case OPTION_NOSTRCMPCT: |
b34976b6 | 485 | link_info.traditional_format = TRUE; |
252b5132 RH |
486 | break; |
487 | ||
488 | case OPTION_PD: | |
489 | /* This sets the page that the .data section is supposed to | |
7fc44b9c AM |
490 | start on. The offset within the page should still be the |
491 | offset within the file, so we need to build an appropriate | |
492 | expression. */ | |
c89e8944 | 493 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 RH |
494 | if (*end != '\0') |
495 | einfo ("%P: warning: ignoring invalid -pD number %s\n", optarg); | |
496 | else | |
497 | { | |
498 | etree_type *t; | |
499 | ||
500 | t = exp_binop ('+', | |
501 | exp_intop (val), | |
502 | exp_binop ('&', | |
503 | exp_nameop (NAME, "."), | |
504 | exp_intop (0xfff))); | |
505 | t = exp_binop ('&', | |
506 | exp_binop ('+', t, exp_intop (31)), | |
249172c3 | 507 | exp_intop (~(bfd_vma) 31)); |
7a5df8d0 | 508 | lang_section_start (".data", t, NULL); |
252b5132 RH |
509 | } |
510 | break; | |
511 | ||
512 | case OPTION_PT: | |
513 | /* This set the page that the .text section is supposed to start | |
7fc44b9c AM |
514 | on. The offset within the page should still be the offset |
515 | within the file. */ | |
c89e8944 | 516 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 RH |
517 | if (*end != '\0') |
518 | einfo ("%P: warning: ignoring invalid -pT number %s\n", optarg); | |
519 | else | |
520 | { | |
521 | etree_type *t; | |
522 | ||
523 | t = exp_binop ('+', | |
524 | exp_intop (val), | |
525 | exp_nameop (SIZEOF_HEADERS, NULL)); | |
526 | t = exp_binop ('&', | |
527 | exp_binop ('+', t, exp_intop (31)), | |
249172c3 | 528 | exp_intop (~(bfd_vma) 31)); |
7a5df8d0 | 529 | lang_section_start (".text", t, NULL); |
252b5132 RH |
530 | } |
531 | break; | |
532 | ||
533 | case OPTION_STRCMPCT: | |
b34976b6 | 534 | link_info.traditional_format = FALSE; |
252b5132 RH |
535 | break; |
536 | ||
537 | case OPTION_UNIX: | |
b34976b6 | 538 | unix_ld = TRUE; |
252b5132 | 539 | break; |
742aeb63 TR |
540 | |
541 | case OPTION_32: | |
542 | is_64bit = 0; | |
543 | syscall_mask = 0x77; | |
544 | symbol_mode_mask = 0x0d; | |
545 | break; | |
546 | ||
547 | case OPTION_64: | |
548 | is_64bit = 1; | |
549 | syscall_mask = 0xcc; | |
550 | symbol_mode_mask = 0x0e; | |
551 | break; | |
552 | ||
aa67bccf | 553 | case OPTION_LIBPATH: |
cc7e59b2 | 554 | command_line_blibpath = optarg; |
aa67bccf TR |
555 | break; |
556 | ||
557 | case OPTION_NOLIBPATH: | |
cc7e59b2 | 558 | command_line_blibpath = NULL; |
aa67bccf TR |
559 | break; |
560 | ||
252b5132 RH |
561 | } |
562 | ||
3bcf5557 | 563 | return TRUE; |
252b5132 RH |
564 | } |
565 | ||
566 | /* This is called when an input file can not be recognized as a BFD | |
567 | object or an archive. If the file starts with #!, we must treat it | |
568 | as an import file. This is for AIX compatibility. */ | |
569 | ||
b34976b6 | 570 | static bfd_boolean |
0c7a8e5a | 571 | gld${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry) |
252b5132 RH |
572 | { |
573 | FILE *e; | |
b34976b6 | 574 | bfd_boolean ret; |
252b5132 RH |
575 | |
576 | e = fopen (entry->filename, FOPEN_RT); | |
577 | if (e == NULL) | |
b34976b6 | 578 | return FALSE; |
252b5132 | 579 | |
b34976b6 | 580 | ret = FALSE; |
252b5132 RH |
581 | |
582 | if (getc (e) == '#' && getc (e) == '!') | |
583 | { | |
584 | struct filelist *n; | |
585 | struct filelist **flpp; | |
586 | ||
587 | n = (struct filelist *) xmalloc (sizeof (struct filelist)); | |
588 | n->next = NULL; | |
589 | n->name = entry->filename; | |
590 | flpp = &import_files; | |
591 | while (*flpp != NULL) | |
592 | flpp = &(*flpp)->next; | |
593 | *flpp = n; | |
594 | ||
b34976b6 AM |
595 | ret = TRUE; |
596 | entry->loaded = TRUE; | |
252b5132 RH |
597 | } |
598 | ||
599 | fclose (e); | |
600 | ||
601 | return ret; | |
602 | } | |
603 | ||
604 | /* This is called after the input files have been opened. */ | |
605 | ||
606 | static void | |
0c7a8e5a | 607 | gld${EMULATION_NAME}_after_open (void) |
252b5132 | 608 | { |
b34976b6 | 609 | bfd_boolean r; |
252b5132 RH |
610 | struct set_info *p; |
611 | ||
5c3049d2 AM |
612 | after_open_default (); |
613 | ||
252b5132 | 614 | /* Call ldctor_build_sets, after pretending that this is a |
1049f94e | 615 | relocatable link. We do this because AIX requires relocation |
252b5132 RH |
616 | entries for all references to symbols, even in a final |
617 | executable. Of course, we only want to do this if we are | |
618 | producing an XCOFF output file. */ | |
1049f94e | 619 | r = link_info.relocatable; |
f13a99db | 620 | if (strstr (bfd_get_target (link_info.output_bfd), "xcoff") != NULL) |
1049f94e | 621 | link_info.relocatable = TRUE; |
252b5132 | 622 | ldctor_build_sets (); |
1049f94e | 623 | link_info.relocatable = r; |
252b5132 RH |
624 | |
625 | /* For each set, record the size, so that the XCOFF backend can | |
626 | output the correct csect length. */ | |
627 | for (p = sets; p != (struct set_info *) NULL; p = p->next) | |
628 | { | |
629 | bfd_size_type size; | |
630 | ||
631 | /* If the symbol is defined, we may have been invoked from | |
7fc44b9c AM |
632 | collect, and the sets may already have been built, so we do |
633 | not do anything. */ | |
252b5132 RH |
634 | if (p->h->type == bfd_link_hash_defined |
635 | || p->h->type == bfd_link_hash_defweak) | |
636 | continue; | |
637 | ||
638 | if (p->reloc != BFD_RELOC_CTOR) | |
639 | { | |
640 | /* Handle this if we need to. */ | |
641 | abort (); | |
642 | } | |
643 | ||
644 | size = (p->count + 2) * 4; | |
f13a99db AM |
645 | if (!bfd_xcoff_link_record_set (link_info.output_bfd, &link_info, |
646 | p->h, size)) | |
252b5132 RH |
647 | einfo ("%F%P: bfd_xcoff_link_record_set failed: %E\n"); |
648 | } | |
649 | } | |
650 | ||
651 | /* This is called after the sections have been attached to output | |
652 | sections, but before any sizes or addresses have been set. */ | |
653 | ||
654 | static void | |
0c7a8e5a | 655 | gld${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
656 | { |
657 | struct filelist *fl; | |
658 | struct export_symbol_list *el; | |
659 | char *libpath; | |
3b1b01cf | 660 | asection *special_sections[XCOFF_NUMBER_OF_SPECIAL_SECTIONS]; |
9ec59d51 RS |
661 | static const char *const must_keep_sections[] = { |
662 | ".text", | |
663 | ".data", | |
664 | ".bss" | |
665 | }; | |
b64232cc | 666 | unsigned int i, flags; |
252b5132 RH |
667 | |
668 | /* Handle the import and export files, if any. */ | |
669 | for (fl = import_files; fl != NULL; fl = fl->next) | |
b34976b6 | 670 | gld${EMULATION_NAME}_read_file (fl->name, TRUE); |
fab80407 AM |
671 | for (el = export_symbols; el != NULL; el = el->next) |
672 | { | |
673 | struct bfd_link_hash_entry *h; | |
674 | ||
b34976b6 | 675 | h = bfd_link_hash_lookup (link_info.hash, el->name, FALSE, FALSE, FALSE); |
fab80407 AM |
676 | if (h == NULL) |
677 | einfo ("%P%F: bfd_link_hash_lookup of export symbol failed: %E\n"); | |
f13a99db | 678 | if (!bfd_xcoff_export_symbol (link_info.output_bfd, &link_info, h)) |
fab80407 AM |
679 | einfo ("%P%F: bfd_xcoff_export_symbol failed: %E\n"); |
680 | } | |
252b5132 RH |
681 | |
682 | /* Track down all relocations called for by the linker script (these | |
683 | are typically constructor/destructor entries created by | |
684 | CONSTRUCTORS) and let the backend know it will need to create | |
685 | .loader relocs for them. */ | |
686 | lang_for_each_statement (gld${EMULATION_NAME}_find_relocs); | |
687 | ||
aa67bccf | 688 | /* Precedence of LIBPATH |
7fc44b9c AM |
689 | -blibpath: native support always first |
690 | -rpath: gnu extension | |
691 | -L build from command line -L's */ | |
aa67bccf TR |
692 | if (command_line_blibpath != NULL) |
693 | libpath = command_line_blibpath; | |
694 | else if (command_line.rpath != NULL) | |
252b5132 RH |
695 | libpath = command_line.rpath; |
696 | else if (search_head == NULL) | |
697 | libpath = (char *) ""; | |
698 | else | |
699 | { | |
700 | size_t len; | |
701 | search_dirs_type *search; | |
702 | ||
057cac08 NC |
703 | /* PR ld/4023: Strip sysroot prefix from any paths |
704 | being inserted into the output binary's DT_RPATH. */ | |
705 | if (ld_sysroot != NULL | |
706 | && * ld_sysroot != 0) | |
252b5132 | 707 | { |
057cac08 NC |
708 | const char * name = search_head->name; |
709 | size_t ld_sysroot_len = strlen (ld_sysroot); | |
252b5132 | 710 | |
057cac08 NC |
711 | if (strncmp (name, ld_sysroot, ld_sysroot_len) == 0) |
712 | name += ld_sysroot_len; | |
713 | ||
714 | len = strlen (name); | |
715 | libpath = xmalloc (len + 1); | |
716 | strcpy (libpath, name); | |
717 | ||
718 | for (search = search_head->next; search != NULL; search = search->next) | |
719 | { | |
720 | size_t nlen; | |
721 | ||
722 | name = search->name; | |
723 | if (strncmp (name, ld_sysroot, ld_sysroot_len) == 0) | |
724 | name += ld_sysroot_len; | |
725 | ||
726 | nlen = strlen (name); | |
727 | libpath = xrealloc (libpath, len + nlen + 2); | |
728 | libpath[len] = ':'; | |
729 | strcpy (libpath + len + 1, name); | |
730 | len += nlen + 1; | |
731 | } | |
732 | } | |
733 | else | |
734 | { | |
735 | len = strlen (search_head->name); | |
736 | libpath = xmalloc (len + 1); | |
737 | strcpy (libpath, search_head->name); | |
738 | ||
739 | for (search = search_head->next; search != NULL; search = search->next) | |
740 | { | |
741 | size_t nlen; | |
742 | ||
743 | nlen = strlen (search->name); | |
744 | libpath = xrealloc (libpath, len + nlen + 2); | |
745 | libpath[len] = ':'; | |
746 | strcpy (libpath + len + 1, search->name); | |
747 | len += nlen + 1; | |
748 | } | |
252b5132 RH |
749 | } |
750 | } | |
751 | ||
b64232cc RS |
752 | /* Default to -bexpfull for SVR4-like semantics. */ |
753 | flags = (unix_ld ? XCOFF_EXPFULL : 0); | |
754 | flags &= ~explicit_auto_export_flags; | |
755 | flags |= auto_export_flags; | |
756 | ||
252b5132 | 757 | /* Let the XCOFF backend set up the .loader section. */ |
7fc44b9c | 758 | if (!bfd_xcoff_size_dynamic_sections |
f13a99db | 759 | (link_info.output_bfd, &link_info, libpath, entry_symbol.name, file_align, |
b34976b6 | 760 | maxstack, maxdata, gc && !unix_ld ? TRUE : FALSE, |
b64232cc | 761 | modtype, textro ? TRUE : FALSE, flags, special_sections, |
b34976b6 | 762 | rtld ? TRUE : FALSE)) |
252b5132 RH |
763 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); |
764 | ||
765 | /* Look through the special sections, and put them in the right | |
766 | place in the link ordering. This is especially magic. */ | |
fab80407 AM |
767 | for (i = 0; i < XCOFF_NUMBER_OF_SPECIAL_SECTIONS; i++) |
768 | { | |
769 | asection *sec; | |
770 | lang_output_section_statement_type *os; | |
771 | lang_statement_union_type **pls; | |
772 | lang_input_section_type *is; | |
773 | const char *oname; | |
b34976b6 | 774 | bfd_boolean start; |
fab80407 AM |
775 | |
776 | sec = special_sections[i]; | |
777 | if (sec == NULL) | |
778 | continue; | |
3b1b01cf | 779 | |
fab80407 | 780 | /* Remove this section from the list of the output section. |
7fc44b9c | 781 | This assumes we know what the script looks like. */ |
fab80407 AM |
782 | is = NULL; |
783 | os = lang_output_section_find (sec->output_section->name); | |
7fc44b9c | 784 | if (os == NULL) |
fab80407 AM |
785 | einfo ("%P%F: can't find output section %s\n", |
786 | sec->output_section->name); | |
fab80407 AM |
787 | |
788 | for (pls = &os->children.head; *pls != NULL; pls = &(*pls)->header.next) | |
789 | { | |
7fc44b9c | 790 | if ((*pls)->header.type == lang_input_section_enum |
249172c3 | 791 | && (*pls)->input_section.section == sec) |
fab80407 | 792 | { |
249172c3 | 793 | is = (lang_input_section_type *) * pls; |
fab80407 | 794 | *pls = (*pls)->header.next; |
252b5132 | 795 | break; |
fab80407 AM |
796 | } |
797 | ||
798 | if ((*pls)->header.type == lang_wild_statement_enum) | |
799 | { | |
800 | lang_statement_union_type **pwls; | |
801 | ||
802 | for (pwls = &(*pls)->wild_statement.children.head; | |
249172c3 | 803 | *pwls != NULL; pwls = &(*pwls)->header.next) |
fab80407 AM |
804 | { |
805 | ||
7fc44b9c | 806 | if ((*pwls)->header.type == lang_input_section_enum |
249172c3 | 807 | && (*pwls)->input_section.section == sec) |
fab80407 | 808 | { |
249172c3 | 809 | is = (lang_input_section_type *) * pwls; |
fab80407 AM |
810 | *pwls = (*pwls)->header.next; |
811 | break; | |
812 | } | |
813 | } | |
814 | ||
815 | if (is != NULL) | |
816 | break; | |
817 | } | |
818 | } | |
819 | ||
820 | if (is == NULL) | |
821 | { | |
822 | einfo ("%P%F: can't find %s in output section\n", | |
823 | bfd_get_section_name (sec->owner, sec)); | |
3b1b01cf | 824 | } |
fab80407 AM |
825 | |
826 | /* Now figure out where the section should go. */ | |
827 | switch (i) | |
828 | { | |
829 | ||
249172c3 | 830 | default: /* to avoid warnings */ |
fab80407 AM |
831 | case XCOFF_SPECIAL_SECTION_TEXT: |
832 | /* _text */ | |
833 | oname = ".text"; | |
b34976b6 | 834 | start = TRUE; |
3b1b01cf | 835 | break; |
252b5132 | 836 | |
fab80407 AM |
837 | case XCOFF_SPECIAL_SECTION_ETEXT: |
838 | /* _etext */ | |
839 | oname = ".text"; | |
b34976b6 | 840 | start = FALSE; |
fab80407 | 841 | break; |
252b5132 | 842 | |
fab80407 AM |
843 | case XCOFF_SPECIAL_SECTION_DATA: |
844 | /* _data */ | |
845 | oname = ".data"; | |
b34976b6 | 846 | start = TRUE; |
fab80407 | 847 | break; |
252b5132 | 848 | |
fab80407 AM |
849 | case XCOFF_SPECIAL_SECTION_EDATA: |
850 | /* _edata */ | |
851 | oname = ".data"; | |
b34976b6 | 852 | start = FALSE; |
fab80407 AM |
853 | break; |
854 | ||
855 | case XCOFF_SPECIAL_SECTION_END: | |
856 | case XCOFF_SPECIAL_SECTION_END2: | |
857 | /* _end and end */ | |
858 | oname = ".bss"; | |
b34976b6 | 859 | start = FALSE; |
fab80407 AM |
860 | break; |
861 | } | |
252b5132 | 862 | |
fab80407 | 863 | os = lang_output_section_find (oname); |
252b5132 | 864 | |
fab80407 AM |
865 | if (start) |
866 | { | |
867 | is->header.next = os->children.head; | |
868 | os->children.head = (lang_statement_union_type *) is; | |
869 | } | |
870 | else | |
871 | { | |
872 | is->header.next = NULL; | |
873 | lang_statement_append (&os->children, | |
874 | (lang_statement_union_type *) is, | |
875 | &is->header.next); | |
876 | } | |
3b1b01cf | 877 | } |
8423293d | 878 | |
9ec59d51 RS |
879 | /* Executables and shared objects must always have .text, .data |
880 | and .bss output sections, so that the header can refer to them. | |
881 | The kernel refuses to load objects that have missing sections. */ | |
882 | if (!link_info.relocatable) | |
883 | for (i = 0; i < ARRAY_SIZE (must_keep_sections); i++) | |
884 | { | |
885 | asection *sec; | |
886 | ||
887 | sec = bfd_get_section_by_name (link_info.output_bfd, | |
888 | must_keep_sections[i]); | |
889 | if (sec == NULL) | |
890 | einfo ("%P: can't find required output section %s\n", must_keep_sections[i]); | |
891 | else | |
892 | sec->flags |= SEC_KEEP; | |
893 | } | |
894 | ||
1e035701 | 895 | before_allocation_default (); |
3b1b01cf TR |
896 | } |
897 | ||
742aeb63 | 898 | static char * |
0c7a8e5a | 899 | gld${EMULATION_NAME}_choose_target (int argc, char **argv) |
742aeb63 TR |
900 | { |
901 | int i, j, jmax; | |
902 | static char *from_outside; | |
903 | static char *from_inside; | |
7fc44b9c | 904 | static char *argv_to_target[][2] = { |
249172c3 | 905 | {NULL, "${OUTPUT_FORMAT}"}, |
eb1e0e80 NC |
906 | {"-b32", "${OUTPUT_FORMAT_32BIT}"}, |
907 | {"-b64", "${OUTPUT_FORMAT_64BIT}"}, | |
249172c3 | 908 | }; |
742aeb63 TR |
909 | |
910 | jmax = 3; | |
911 | ||
912 | from_outside = getenv (TARGET_ENVIRON); | |
249172c3 | 913 | if (from_outside != (char *) NULL) |
742aeb63 TR |
914 | return from_outside; |
915 | ||
916 | /* Set to default. */ | |
917 | from_inside = argv_to_target[0][1]; | |
918 | for (i = 1; i < argc; i++) | |
919 | { | |
7fc44b9c | 920 | for (j = 1; j < jmax; j++) |
742aeb63 TR |
921 | { |
922 | if (0 == strcmp (argv[i], argv_to_target[j][0])) | |
923 | from_inside = argv_to_target[j][1]; | |
924 | } | |
925 | } | |
249172c3 | 926 | |
742aeb63 TR |
927 | return from_inside; |
928 | } | |
929 | ||
7fc44b9c | 930 | /* Returns |
249172c3 TR |
931 | 1 : state changed |
932 | 0 : no change */ | |
7fc44b9c | 933 | static int |
0c7a8e5a | 934 | change_symbol_mode (char *input) |
3b1b01cf | 935 | { |
3b1b01cf | 936 | char *symbol_mode_string[] = { |
249172c3 TR |
937 | "# 32", /* 0x01 */ |
938 | "# 64", /* 0x02 */ | |
939 | "# no32", /* 0x04 */ | |
940 | "# no64", /* 0x08 */ | |
3b1b01cf TR |
941 | NULL, |
942 | }; | |
249172c3 | 943 | |
3b1b01cf TR |
944 | unsigned int bit; |
945 | char *string; | |
946 | ||
249172c3 | 947 | for (bit = 0;; bit++) |
fab80407 AM |
948 | { |
949 | string = symbol_mode_string[bit]; | |
249172c3 | 950 | if (string == NULL) |
fab80407 AM |
951 | return 0; |
952 | ||
953 | if (0 == strcmp (input, string)) | |
954 | { | |
955 | symbol_mode = (1 << bit); | |
956 | return 1; | |
957 | } | |
3b1b01cf | 958 | } |
3b1b01cf TR |
959 | /* should not be here */ |
960 | return 0; | |
961 | } | |
962 | ||
7fc44b9c | 963 | /* Returns |
249172c3 TR |
964 | 1 : yes |
965 | 0 : ignore | |
966 | -1 : error, try something else */ | |
7fc44b9c | 967 | static int |
0c7a8e5a | 968 | is_syscall (char *input, unsigned int *flag) |
3b1b01cf | 969 | { |
3b1b01cf TR |
970 | unsigned int bit; |
971 | char *string; | |
7fc44b9c | 972 | |
1fdf0249 TR |
973 | struct sc { |
974 | char *syscall_string; | |
975 | unsigned int flag; | |
976 | } s [] = { | |
977 | { "svc" /* 0x01 */, XCOFF_SYSCALL32 }, | |
978 | { "svc32" /* 0x02 */, XCOFF_SYSCALL32 }, | |
979 | { "svc3264" /* 0x04 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 }, | |
980 | { "svc64" /* 0x08 */, XCOFF_SYSCALL64 }, | |
981 | { "syscall" /* 0x10 */, XCOFF_SYSCALL32 }, | |
982 | { "syscall32" /* 0x20 */, XCOFF_SYSCALL32 }, | |
983 | { "syscall3264" /* 0x40 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 }, | |
984 | { "syscall64" /* 0x80 */, XCOFF_SYSCALL64 }, | |
985 | { NULL, 0 }, | |
3b1b01cf TR |
986 | }; |
987 | ||
1fdf0249 | 988 | *flag = 0; |
3b1b01cf | 989 | |
7fc44b9c | 990 | for (bit = 0;; bit++) |
249172c3 TR |
991 | { |
992 | string = s[bit].syscall_string; | |
7fc44b9c | 993 | if (string == NULL) |
249172c3 | 994 | return -1; |
fab80407 | 995 | |
7fc44b9c | 996 | if (0 == strcmp (input, string)) |
249172c3 | 997 | { |
7fc44b9c | 998 | if (1 << bit & syscall_mask) |
249172c3 TR |
999 | { |
1000 | *flag = s[bit].flag; | |
1001 | return 1; | |
7fc44b9c AM |
1002 | } |
1003 | else | |
249172c3 TR |
1004 | { |
1005 | return 0; | |
1006 | } | |
1007 | } | |
252b5132 | 1008 | } |
3b1b01cf TR |
1009 | /* should not be here */ |
1010 | return -1; | |
252b5132 RH |
1011 | } |
1012 | ||
1013 | /* Read an import or export file. For an import file, this is called | |
1014 | by the before_allocation emulation routine. For an export file, | |
3bcf5557 | 1015 | this is called by the handle_option emulation routine. */ |
252b5132 RH |
1016 | |
1017 | static void | |
0c7a8e5a | 1018 | gld${EMULATION_NAME}_read_file (const char *filename, bfd_boolean import) |
252b5132 RH |
1019 | { |
1020 | struct obstack *o; | |
1021 | FILE *f; | |
1022 | int lineno; | |
1023 | int c; | |
b34976b6 | 1024 | bfd_boolean keep; |
252b5132 RH |
1025 | const char *imppath; |
1026 | const char *impfile; | |
1027 | const char *impmember; | |
1028 | ||
1029 | o = (struct obstack *) xmalloc (sizeof (struct obstack)); | |
1030 | obstack_specify_allocation (o, 0, 0, xmalloc, gld${EMULATION_NAME}_free); | |
1031 | ||
1032 | f = fopen (filename, FOPEN_RT); | |
1033 | if (f == NULL) | |
1034 | { | |
1035 | bfd_set_error (bfd_error_system_call); | |
1036 | einfo ("%F%s: %E\n", filename); | |
1037 | } | |
1038 | ||
b34976b6 | 1039 | keep = FALSE; |
252b5132 RH |
1040 | |
1041 | imppath = NULL; | |
1042 | impfile = NULL; | |
1043 | impmember = NULL; | |
1044 | ||
1045 | lineno = 0; | |
3b1b01cf | 1046 | |
69f284c7 TR |
1047 | /* Default to 32 and 64 bit mode |
1048 | symbols at top of /lib/syscalls.exp do not have a mode modifier and they | |
1049 | are not repeated, assume 64 bit routines also want to use them. | |
1050 | See the routine change_symbol_mode for more information. */ | |
1051 | ||
3b1b01cf TR |
1052 | symbol_mode = 0x04; |
1053 | ||
252b5132 RH |
1054 | while ((c = getc (f)) != EOF) |
1055 | { | |
1056 | char *s; | |
1057 | char *symname; | |
1fdf0249 | 1058 | unsigned int syscall_flag = 0; |
252b5132 RH |
1059 | bfd_vma address; |
1060 | struct bfd_link_hash_entry *h; | |
1061 | ||
1062 | if (c != '\n') | |
1063 | { | |
1064 | obstack_1grow (o, c); | |
1065 | continue; | |
1066 | } | |
1067 | ||
1068 | obstack_1grow (o, '\0'); | |
1069 | ++lineno; | |
1070 | ||
1071 | s = (char *) obstack_base (o); | |
3882b010 | 1072 | while (ISSPACE (*s)) |
252b5132 | 1073 | ++s; |
fab80407 AM |
1074 | if (*s == '\0' |
1075 | || *s == '*' | |
1076 | || change_symbol_mode (s) | |
1077 | || (*s == '#' && s[1] == ' ') | |
249172c3 | 1078 | || (!import && *s == '#' && s[1] == '!')) |
252b5132 RH |
1079 | { |
1080 | obstack_free (o, obstack_base (o)); | |
1081 | continue; | |
1082 | } | |
1083 | ||
1084 | if (*s == '#' && s[1] == '!') | |
1085 | { | |
1086 | s += 2; | |
3882b010 | 1087 | while (ISSPACE (*s)) |
252b5132 RH |
1088 | ++s; |
1089 | if (*s == '\0') | |
1090 | { | |
1091 | imppath = NULL; | |
1092 | impfile = NULL; | |
1093 | impmember = NULL; | |
1094 | obstack_free (o, obstack_base (o)); | |
1095 | } | |
1096 | else if (*s == '(') | |
1097 | einfo ("%F%s%d: #! ([member]) is not supported in import files\n", | |
1098 | filename, lineno); | |
1099 | else | |
1100 | { | |
1101 | char cs; | |
24c611d1 | 1102 | char *start; |
252b5132 RH |
1103 | |
1104 | (void) obstack_finish (o); | |
b34976b6 | 1105 | keep = TRUE; |
24c611d1 | 1106 | start = s; |
249172c3 | 1107 | while (!ISSPACE (*s) && *s != '(' && *s != '\0') |
24c611d1 | 1108 | ++s; |
252b5132 RH |
1109 | cs = *s; |
1110 | *s = '\0'; | |
24c611d1 RS |
1111 | if (!bfd_xcoff_split_import_path (link_info.output_bfd, |
1112 | start, &imppath, &impfile)) | |
1113 | einfo ("%F%P: Could not parse import path: %E\n"); | |
3882b010 | 1114 | while (ISSPACE (cs)) |
252b5132 RH |
1115 | { |
1116 | ++s; | |
1117 | cs = *s; | |
1118 | } | |
1119 | if (cs != '(') | |
1120 | { | |
1121 | impmember = ""; | |
1122 | if (cs != '\0') | |
1123 | einfo ("%s:%d: warning: syntax error in import file\n", | |
1124 | filename, lineno); | |
1125 | } | |
1126 | else | |
1127 | { | |
1128 | ++s; | |
1129 | impmember = s; | |
1130 | while (*s != ')' && *s != '\0') | |
1131 | ++s; | |
1132 | if (*s == ')') | |
1133 | *s = '\0'; | |
1134 | else | |
1135 | einfo ("%s:%d: warning: syntax error in import file\n", | |
1136 | filename, lineno); | |
1137 | } | |
1138 | } | |
1139 | ||
1140 | continue; | |
1141 | } | |
1142 | ||
742aeb63 | 1143 | if (symbol_mode & symbol_mode_mask) |
fab80407 AM |
1144 | { |
1145 | /* This is a symbol to be imported or exported. */ | |
1146 | symname = s; | |
1fdf0249 | 1147 | syscall_flag = 0; |
fab80407 AM |
1148 | address = (bfd_vma) -1; |
1149 | ||
249172c3 | 1150 | while (!ISSPACE (*s) && *s != '\0') |
fab80407 AM |
1151 | ++s; |
1152 | if (*s != '\0') | |
1153 | { | |
1154 | char *se; | |
3b1b01cf | 1155 | |
fab80407 | 1156 | *s++ = '\0'; |
3b1b01cf | 1157 | |
3882b010 | 1158 | while (ISSPACE (*s)) |
fab80407 AM |
1159 | ++s; |
1160 | ||
1161 | se = s; | |
249172c3 | 1162 | while (!ISSPACE (*se) && *se != '\0') |
fab80407 AM |
1163 | ++se; |
1164 | if (*se != '\0') | |
1165 | { | |
1166 | *se++ = '\0'; | |
3882b010 | 1167 | while (ISSPACE (*se)) |
fab80407 AM |
1168 | ++se; |
1169 | if (*se != '\0') | |
1170 | einfo ("%s%d: warning: syntax error in import/export file\n", | |
1171 | filename, lineno); | |
1172 | } | |
1173 | ||
1174 | if (s != se) | |
1175 | { | |
1176 | int status; | |
c89e8944 | 1177 | const char *end; |
fab80407 | 1178 | |
249172c3 | 1179 | status = is_syscall (s, &syscall_flag); |
7fc44b9c AM |
1180 | |
1181 | if (0 > status) | |
249172c3 TR |
1182 | { |
1183 | /* not a system call, check for address */ | |
c89e8944 | 1184 | address = bfd_scan_vma (s, &end, 0); |
249172c3 TR |
1185 | if (*end != '\0') |
1186 | { | |
1187 | einfo ("%s:%d: warning: syntax error in import/export file\n", | |
1188 | filename, lineno); | |
7fc44b9c | 1189 | |
249172c3 TR |
1190 | } |
1191 | } | |
3b1b01cf | 1192 | } |
252b5132 | 1193 | } |
3b1b01cf | 1194 | |
249172c3 | 1195 | if (!import) |
fab80407 AM |
1196 | { |
1197 | struct export_symbol_list *n; | |
1198 | ||
24898b70 | 1199 | ldlang_add_undef (symname, TRUE); |
fab80407 AM |
1200 | n = ((struct export_symbol_list *) |
1201 | xmalloc (sizeof (struct export_symbol_list))); | |
1202 | n->next = export_symbols; | |
1203 | n->name = xstrdup (symname); | |
fab80407 AM |
1204 | export_symbols = n; |
1205 | } | |
1206 | else | |
1207 | { | |
b34976b6 AM |
1208 | h = bfd_link_hash_lookup (link_info.hash, symname, FALSE, FALSE, |
1209 | TRUE); | |
fab80407 AM |
1210 | if (h == NULL || h->type == bfd_link_hash_new) |
1211 | { | |
1212 | /* We can just ignore attempts to import an unreferenced | |
1213 | symbol. */ | |
1214 | } | |
1215 | else | |
1216 | { | |
f13a99db AM |
1217 | if (!bfd_xcoff_import_symbol (link_info.output_bfd, |
1218 | &link_info, h, | |
249172c3 TR |
1219 | address, imppath, impfile, |
1220 | impmember, syscall_flag)) | |
fab80407 AM |
1221 | einfo ("%X%s:%d: failed to import symbol %s: %E\n", |
1222 | filename, lineno, symname); | |
1223 | } | |
1224 | } | |
1225 | } | |
252b5132 RH |
1226 | obstack_free (o, obstack_base (o)); |
1227 | } | |
fab80407 | 1228 | |
252b5132 RH |
1229 | if (obstack_object_size (o) > 0) |
1230 | { | |
fab80407 AM |
1231 | einfo ("%s:%d: warning: ignoring unterminated last line\n", |
1232 | filename, lineno); | |
1233 | obstack_free (o, obstack_base (o)); | |
1234 | } | |
252b5132 | 1235 | |
249172c3 | 1236 | if (!keep) |
fab80407 AM |
1237 | { |
1238 | obstack_free (o, NULL); | |
1239 | free (o); | |
252b5132 | 1240 | } |
fab80407 | 1241 | } |
252b5132 RH |
1242 | |
1243 | /* This routine saves us from worrying about declaring free. */ | |
1244 | ||
1245 | static void | |
0c7a8e5a | 1246 | gld${EMULATION_NAME}_free (void *p) |
252b5132 RH |
1247 | { |
1248 | free (p); | |
1249 | } | |
1250 | ||
1251 | /* This is called by the before_allocation routine via | |
1252 | lang_for_each_statement. It looks for relocations and assignments | |
1253 | to symbols. */ | |
1254 | ||
1255 | static void | |
0c7a8e5a | 1256 | gld${EMULATION_NAME}_find_relocs (lang_statement_union_type *s) |
252b5132 RH |
1257 | { |
1258 | if (s->header.type == lang_reloc_statement_enum) | |
1259 | { | |
1260 | lang_reloc_statement_type *rs; | |
1261 | ||
1262 | rs = &s->reloc_statement; | |
1263 | if (rs->name == NULL) | |
1264 | einfo ("%F%P: only relocations against symbols are permitted\n"); | |
f13a99db AM |
1265 | if (!bfd_xcoff_link_count_reloc (link_info.output_bfd, &link_info, |
1266 | rs->name)) | |
252b5132 RH |
1267 | einfo ("%F%P: bfd_xcoff_link_count_reloc failed: %E\n"); |
1268 | } | |
1269 | ||
1270 | if (s->header.type == lang_assignment_statement_enum) | |
1271 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
1272 | } | |
1273 | ||
1274 | /* Look through an expression for an assignment statement. */ | |
1275 | ||
1276 | static void | |
0c7a8e5a | 1277 | gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp) |
252b5132 RH |
1278 | { |
1279 | struct bfd_link_hash_entry *h; | |
1280 | ||
1281 | switch (exp->type.node_class) | |
1282 | { | |
1283 | case etree_provide: | |
1284 | h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst, | |
b34976b6 | 1285 | FALSE, FALSE, FALSE); |
252b5132 RH |
1286 | if (h == NULL) |
1287 | break; | |
1288 | /* Fall through. */ | |
1289 | case etree_assign: | |
1290 | if (strcmp (exp->assign.dst, ".") != 0) | |
1291 | { | |
f13a99db AM |
1292 | if (!bfd_xcoff_record_link_assignment (link_info.output_bfd, |
1293 | &link_info, | |
249172c3 | 1294 | exp->assign.dst)) |
252b5132 RH |
1295 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
1296 | exp->assign.dst); | |
1297 | } | |
1298 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); | |
1299 | break; | |
1300 | ||
1301 | case etree_binary: | |
1302 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
1303 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
1304 | break; | |
1305 | ||
1306 | case etree_trinary: | |
1307 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
1308 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
1309 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
1310 | break; | |
1311 | ||
1312 | case etree_unary: | |
1313 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
1314 | break; | |
1315 | ||
1316 | default: | |
1317 | break; | |
1318 | } | |
1319 | } | |
1320 | ||
1321 | static char * | |
0c7a8e5a | 1322 | gld${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
1323 | EOF |
1324 | ||
1325 | if test -n "$COMPILE_IN" | |
1326 | then | |
1327 | # Scripts compiled in. | |
1328 | ||
1329 | # sed commands to quote an ld script as a C string. | |
5f642101 | 1330 | sc="-f ${srcdir}/emultempl/ostring.sed" |
252b5132 | 1331 | |
92b93329 | 1332 | fragment <<EOF |
fab80407 | 1333 | { |
252b5132 RH |
1334 | *isfile = 0; |
1335 | ||
1049f94e | 1336 | if (link_info.relocatable && config.build_constructors) |
252b5132 RH |
1337 | return |
1338 | EOF | |
b34976b6 | 1339 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1049f94e | 1340 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c |
b34976b6 AM |
1341 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
1342 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1343 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
1344 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
1345 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
1346 | echo ' ; else return' >> e${EMULATION_NAME}.c | |
1347 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1348 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
1349 | |
1350 | else | |
1351 | # Scripts read from the filesystem. | |
1352 | ||
92b93329 | 1353 | fragment <<EOF |
fab80407 | 1354 | { |
252b5132 RH |
1355 | *isfile = 1; |
1356 | ||
1049f94e | 1357 | if (link_info.relocatable && config.build_constructors) |
252b5132 | 1358 | return "ldscripts/${EMULATION_NAME}.xu"; |
1049f94e | 1359 | else if (link_info.relocatable) |
252b5132 RH |
1360 | return "ldscripts/${EMULATION_NAME}.xr"; |
1361 | else if (!config.text_read_only) | |
1362 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
1363 | else if (!config.magic_demand_paged) | |
1364 | return "ldscripts/${EMULATION_NAME}.xn"; | |
1365 | else | |
1366 | return "ldscripts/${EMULATION_NAME}.x"; | |
1367 | } | |
1368 | EOF | |
1369 | ||
1370 | fi | |
1371 | ||
92b93329 | 1372 | fragment <<EOF |
252b5132 | 1373 | |
7fc44b9c | 1374 | static void |
0c7a8e5a | 1375 | gld${EMULATION_NAME}_create_output_section_statements (void) |
9a4c7f16 TR |
1376 | { |
1377 | /* __rtinit */ | |
f13a99db | 1378 | if ((bfd_get_flavour (link_info.output_bfd) == bfd_target_xcoff_flavour) |
7fc44b9c | 1379 | && (link_info.init_function != NULL |
69f284c7 | 1380 | || link_info.fini_function != NULL |
b34976b6 | 1381 | || rtld)) |
9a4c7f16 | 1382 | { |
9a4c7f16 TR |
1383 | initfini_file = lang_add_input_file ("initfini", |
1384 | lang_input_file_is_file_enum, | |
1385 | NULL); | |
7fc44b9c | 1386 | |
f13a99db | 1387 | initfini_file->the_bfd = bfd_create ("initfini", link_info.output_bfd); |
9a4c7f16 TR |
1388 | if (initfini_file->the_bfd == NULL |
1389 | || ! bfd_set_arch_mach (initfini_file->the_bfd, | |
f13a99db AM |
1390 | bfd_get_arch (link_info.output_bfd), |
1391 | bfd_get_mach (link_info.output_bfd))) | |
9a4c7f16 TR |
1392 | { |
1393 | einfo ("%X%P: can not create BFD %E\n"); | |
1394 | return; | |
1395 | } | |
7fc44b9c | 1396 | |
9a4c7f16 | 1397 | /* Call backend to fill in the rest */ |
b34976b6 AM |
1398 | if (! bfd_xcoff_link_generate_rtinit (initfini_file->the_bfd, |
1399 | link_info.init_function, | |
1400 | link_info.fini_function, | |
1401 | rtld)) | |
9a4c7f16 TR |
1402 | { |
1403 | einfo ("%X%P: can not create BFD %E\n"); | |
1404 | return; | |
1405 | } | |
69f284c7 TR |
1406 | |
1407 | /* __rtld defined in /lib/librtl.a */ | |
b34976b6 | 1408 | if (rtld) |
69f284c7 | 1409 | lang_add_input_file ("rtl", lang_input_file_is_l_enum, NULL); |
9a4c7f16 TR |
1410 | } |
1411 | } | |
1412 | ||
f1f0d9ab | 1413 | static void |
0c7a8e5a | 1414 | gld${EMULATION_NAME}_set_output_arch (void) |
f1f0d9ab | 1415 | { |
f13a99db AM |
1416 | bfd_set_arch_mach (link_info.output_bfd, |
1417 | bfd_xcoff_architecture (link_info.output_bfd), | |
1418 | bfd_xcoff_machine (link_info.output_bfd)); | |
f1f0d9ab | 1419 | |
f13a99db AM |
1420 | ldfile_output_architecture = bfd_get_arch (link_info.output_bfd); |
1421 | ldfile_output_machine = bfd_get_mach (link_info.output_bfd); | |
1422 | ldfile_output_machine_name = bfd_printable_name (link_info.output_bfd); | |
f1f0d9ab TR |
1423 | } |
1424 | ||
24c611d1 RS |
1425 | static bfd_boolean |
1426 | gld${EMULATION_NAME}_open_dynamic_archive (const char *arch, | |
1427 | search_dirs_type *search, | |
1428 | lang_input_statement_type *entry) | |
1429 | { | |
24c611d1 RS |
1430 | char *path; |
1431 | ||
b7f95647 | 1432 | if (!entry->maybe_archive) |
24c611d1 RS |
1433 | return FALSE; |
1434 | ||
24c611d1 RS |
1435 | path = concat (search->name, "/lib", entry->filename, arch, ".a", NULL); |
1436 | if (!ldfile_try_open_bfd (path, entry)) | |
1437 | { | |
1438 | free (path); | |
1439 | return FALSE; | |
1440 | } | |
1441 | /* Don't include the searched directory in the import path. */ | |
1442 | bfd_xcoff_set_archive_import_path (&link_info, entry->the_bfd, | |
1443 | path + strlen (search->name) + 1); | |
1444 | entry->filename = path; | |
1445 | return TRUE; | |
1446 | } | |
1447 | ||
249172c3 | 1448 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = { |
252b5132 RH |
1449 | gld${EMULATION_NAME}_before_parse, |
1450 | syslib_default, | |
1451 | hll_default, | |
1452 | after_parse_default, | |
1453 | gld${EMULATION_NAME}_after_open, | |
1454 | after_allocation_default, | |
f1f0d9ab TR |
1455 | gld${EMULATION_NAME}_set_output_arch, |
1456 | gld${EMULATION_NAME}_choose_target, | |
252b5132 RH |
1457 | gld${EMULATION_NAME}_before_allocation, |
1458 | gld${EMULATION_NAME}_get_script, | |
1459 | "${EMULATION_NAME}", | |
1460 | "${OUTPUT_FORMAT}", | |
1e035701 | 1461 | finish_default, |
9a4c7f16 | 1462 | gld${EMULATION_NAME}_create_output_section_statements, |
24c611d1 | 1463 | gld${EMULATION_NAME}_open_dynamic_archive, |
249172c3 TR |
1464 | 0, /* place_orphan */ |
1465 | 0, /* set_symbols */ | |
252b5132 | 1466 | gld${EMULATION_NAME}_parse_args, |
3bcf5557 AM |
1467 | gld${EMULATION_NAME}_add_options, |
1468 | gld${EMULATION_NAME}_handle_option, | |
40d109bf | 1469 | gld${EMULATION_NAME}_unrecognized_file, |
249172c3 TR |
1470 | NULL, /* list_options */ |
1471 | NULL, /* recognized_file */ | |
1472 | NULL, /* find potential_libraries */ | |
fac1652d | 1473 | NULL /* new_vers_pattern */ |
252b5132 RH |
1474 | }; |
1475 | EOF |