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Commit | Line | Data |
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252b5132 RH |
1 | # This shell script emits a C file. -*- C -*- |
2 | # It does some substitutions. | |
86af25fe L |
3 | if [ -z "$MACHINE" ]; then |
4 | OUTPUT_ARCH=${ARCH} | |
5 | else | |
6 | OUTPUT_ARCH=${ARCH}:${MACHINE} | |
7 | fi | |
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 ${EMULATION_NAME} | |
fd67aa11 | 12 | Copyright (C) 1991-2024 Free Software Foundation, Inc. |
252b5132 RH |
13 | Written by Steve Chamberlain <sac@cygnus.com> |
14 | AIX support by Ian Lance Taylor <ian@cygnus.com> | |
3b1b01cf | 15 | AIX 64 bit support by Tom Rix <trix@redhat.com> |
252b5132 | 16 | |
f96b4a7b | 17 | This file is part of the GNU Binutils. |
252b5132 | 18 | |
f96b4a7b NC |
19 | This program is free software; you can redistribute it and/or modify |
20 | it under the terms of the GNU General Public License as published by | |
21 | the Free Software Foundation; either version 3 of the License, or | |
22 | (at your option) any later version. | |
252b5132 | 23 | |
f96b4a7b NC |
24 | This program is distributed in the hope that it will be useful, |
25 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
27 | GNU General Public License for more details. | |
252b5132 | 28 | |
f96b4a7b NC |
29 | You should have received a copy of the GNU General Public License |
30 | along with this program; if not, write to the Free Software | |
31 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
32 | MA 02110-1301, USA. */ | |
252b5132 RH |
33 | |
34 | #define TARGET_IS_${EMULATION_NAME} | |
35 | ||
252b5132 | 36 | #include "sysdep.h" |
3db64b00 | 37 | #include "bfd.h" |
252b5132 | 38 | #include "libiberty.h" |
3882b010 | 39 | #include "safe-ctype.h" |
252b5132 RH |
40 | #include "getopt.h" |
41 | #include "obstack.h" | |
42 | #include "bfdlink.h" | |
1ff6de03 | 43 | #include "ctf-api.h" |
252b5132 | 44 | |
252b5132 RH |
45 | #include "ld.h" |
46 | #include "ldmain.h" | |
252b5132 RH |
47 | #include "ldmisc.h" |
48 | #include "ldexp.h" | |
49 | #include "ldlang.h" | |
20713691 AM |
50 | #include "ldfile.h" |
51 | #include "ldemul.h" | |
252b5132 | 52 | #include "ldctor.h" |
df2a7313 | 53 | #include <ldgram.h> |
252b5132 | 54 | |
3b1b01cf TR |
55 | #include "coff/internal.h" |
56 | #include "coff/xcoff.h" | |
f1f0d9ab TR |
57 | #include "libcoff.h" |
58 | #include "libxcoff.h" | |
6ea7de32 | 59 | #include "xcofflink.h" |
3b1b01cf | 60 | |
f38a2680 | 61 | static void gld${EMULATION_NAME}_read_file (const char *, bool); |
0c7a8e5a AM |
62 | static void gld${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 | ||
2d23f965 CC |
66 | static asection *xcoff_add_stub_section (const char *, asection *); |
67 | static void xcoff_layout_sections_again (void); | |
68 | ||
69 | static struct bfd_xcoff_link_params params = { | |
70 | NULL, | |
71 | &xcoff_add_stub_section, | |
72 | &xcoff_layout_sections_again | |
73 | }; | |
74 | ||
252b5132 RH |
75 | |
76 | /* The file alignment required for each section. */ | |
77 | static unsigned long file_align; | |
78 | ||
79 | /* The maximum size the stack is permitted to grow. This is stored in | |
80 | the a.out header. */ | |
81 | static unsigned long maxstack; | |
82 | ||
83 | /* The maximum data size. This is stored in the a.out header. */ | |
84 | static unsigned long maxdata; | |
85 | ||
86 | /* Whether to perform garbage collection. */ | |
87 | static int gc = 1; | |
88 | ||
89 | /* The module type to use. */ | |
90 | static unsigned short modtype = ('1' << 8) | 'L'; | |
91 | ||
92 | /* Whether the .text section must be read-only (i.e., no relocs | |
93 | permitted). */ | |
94 | static int textro; | |
95 | ||
b64232cc RS |
96 | /* A mask of XCOFF_EXPALL and XCOFF_EXPFULL flags, as set by their |
97 | associated -b and -bno options. */ | |
98 | static unsigned int auto_export_flags; | |
99 | ||
100 | /* A mask of auto_export_flags bits that were explicitly set on the | |
101 | command line. */ | |
102 | static unsigned int explicit_auto_export_flags; | |
103 | ||
252b5132 RH |
104 | /* Whether to implement Unix like linker semantics. */ |
105 | static int unix_ld; | |
106 | ||
107 | /* Structure used to hold import file list. */ | |
108 | ||
109 | struct filelist | |
110 | { | |
111 | struct filelist *next; | |
112 | const char *name; | |
113 | }; | |
114 | ||
115 | /* List of import files. */ | |
116 | static struct filelist *import_files; | |
117 | ||
118 | /* List of export symbols read from the export files. */ | |
119 | ||
120 | struct export_symbol_list | |
121 | { | |
122 | struct export_symbol_list *next; | |
123 | const char *name; | |
252b5132 RH |
124 | }; |
125 | ||
126 | static struct export_symbol_list *export_symbols; | |
127 | ||
3b1b01cf TR |
128 | /* Maintains the 32 or 64 bit mode state of import file */ |
129 | static unsigned int symbol_mode = 0x04; | |
130 | ||
742aeb63 TR |
131 | /* Which symbol modes are valid */ |
132 | static unsigned int symbol_mode_mask = 0x0d; | |
133 | ||
134 | /* Whether this is a 64 bit link */ | |
135 | static int is_64bit = 0; | |
136 | ||
137 | /* Which syscalls from import file are valid */ | |
138 | static unsigned int syscall_mask = 0x77; | |
139 | ||
9a4c7f16 TR |
140 | /* fake file for -binitfini support */ |
141 | static lang_input_statement_type *initfini_file; | |
69f284c7 | 142 | |
7fc44b9c | 143 | /* Whether to do run time linking |
ca10c62d | 144 | -brtl enables, -bnortl and -bnortllib disable. */ |
f1f0d9ab | 145 | static int rtld; |
69f284c7 | 146 | |
aa67bccf TR |
147 | /* Explicit command line library path, -blibpath */ |
148 | static char *command_line_blibpath = NULL; | |
149 | ||
2d23f965 CC |
150 | /* Fake input file for stubs. */ |
151 | static lang_input_statement_type *stub_file; | |
152 | ||
252b5132 RH |
153 | /* This routine is called before anything else is done. */ |
154 | ||
155 | static void | |
0c7a8e5a | 156 | gld${EMULATION_NAME}_before_parse (void) |
252b5132 | 157 | { |
5e2f1575 | 158 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
f1f0d9ab | 159 | |
f38a2680 AM |
160 | input_flags.dynamic = true; |
161 | config.has_shared = true; | |
3b1b01cf | 162 | |
9a4c7f16 TR |
163 | /* The link_info.[init|fini]_functions are initialized in ld/lexsup.c. |
164 | Override them here so we can use the link_info.init_function as a | |
7fc44b9c | 165 | state flag that lets the backend know that -binitfini has been done. */ |
9a4c7f16 | 166 | |
3b1b01cf TR |
167 | link_info.init_function = NULL; |
168 | link_info.fini_function = NULL; | |
2d23f965 | 169 | |
252b5132 RH |
170 | } |
171 | ||
172 | /* Handle AIX specific options. */ | |
173 | ||
3bcf5557 | 174 | enum |
249172c3 | 175 | { |
3b1b01cf | 176 | OPTION_IGNORE = 300, |
fab80407 AM |
177 | OPTION_AUTOIMP, |
178 | OPTION_ERNOTOK, | |
179 | OPTION_EROK, | |
b64232cc RS |
180 | OPTION_EXPALL, |
181 | OPTION_EXPFULL, | |
fab80407 AM |
182 | OPTION_EXPORT, |
183 | OPTION_IMPORT, | |
184 | OPTION_INITFINI, | |
185 | OPTION_LOADMAP, | |
186 | OPTION_MAXDATA, | |
187 | OPTION_MAXSTACK, | |
188 | OPTION_MODTYPE, | |
189 | OPTION_NOAUTOIMP, | |
b64232cc RS |
190 | OPTION_NOEXPALL, |
191 | OPTION_NOEXPFULL, | |
fab80407 AM |
192 | OPTION_NOSTRCMPCT, |
193 | OPTION_PD, | |
194 | OPTION_PT, | |
195 | OPTION_STRCMPCT, | |
742aeb63 TR |
196 | OPTION_UNIX, |
197 | OPTION_32, | |
198 | OPTION_64, | |
aa67bccf TR |
199 | OPTION_LIBPATH, |
200 | OPTION_NOLIBPATH, | |
3b1b01cf TR |
201 | }; |
202 | ||
3bcf5557 | 203 | static void |
0c7a8e5a AM |
204 | gld${EMULATION_NAME}_add_options |
205 | (int ns, char **shortopts, int nl, struct option **longopts, | |
206 | int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED) | |
3bcf5557 AM |
207 | { |
208 | static const char xtra_short[] = "D:H:KT:z"; | |
209 | static const struct option xtra_long[] = { | |
9a4c7f16 TR |
210 | /* -binitfini has special handling in the linker backend. The native linker |
211 | uses the arguemnts to generate a table of init and fini functions for | |
212 | the executable. The important use for this option is to support aix 4.2+ | |
213 | c++ constructors and destructors. This is tied into gcc via collect2.c. | |
7fc44b9c | 214 | |
9a4c7f16 TR |
215 | The function table is accessed by the runtime linker/loader by checking if |
216 | the first symbol in the loader symbol table is __rtinit. The gnu linker | |
217 | generates this symbol and makes it the first loader symbol. */ | |
3b1b01cf | 218 | |
252b5132 RH |
219 | {"basis", no_argument, NULL, OPTION_IGNORE}, |
220 | {"bautoimp", no_argument, NULL, OPTION_AUTOIMP}, | |
221 | {"bcomprld", no_argument, NULL, OPTION_IGNORE}, | |
222 | {"bcrld", no_argument, NULL, OPTION_IGNORE}, | |
223 | {"bcror31", no_argument, NULL, OPTION_IGNORE}, | |
224 | {"bD", required_argument, NULL, OPTION_MAXDATA}, | |
225 | {"bE", required_argument, NULL, OPTION_EXPORT}, | |
226 | {"bernotok", no_argument, NULL, OPTION_ERNOTOK}, | |
227 | {"berok", no_argument, NULL, OPTION_EROK}, | |
228 | {"berrmsg", no_argument, NULL, OPTION_IGNORE}, | |
b64232cc RS |
229 | {"bexpall", no_argument, NULL, OPTION_EXPALL}, |
230 | {"bexpfull", no_argument, NULL, OPTION_EXPFULL}, | |
252b5132 | 231 | {"bexport", required_argument, NULL, OPTION_EXPORT}, |
ced323bd | 232 | {"bbigtoc", no_argument, NULL, OPTION_IGNORE}, |
252b5132 RH |
233 | {"bf", no_argument, NULL, OPTION_ERNOTOK}, |
234 | {"bgc", no_argument, &gc, 1}, | |
235 | {"bh", required_argument, NULL, OPTION_IGNORE}, | |
236 | {"bhalt", required_argument, NULL, OPTION_IGNORE}, | |
237 | {"bI", required_argument, NULL, OPTION_IMPORT}, | |
238 | {"bimport", required_argument, NULL, OPTION_IMPORT}, | |
3b1b01cf | 239 | {"binitfini", required_argument, NULL, OPTION_INITFINI}, |
252b5132 RH |
240 | {"bl", required_argument, NULL, OPTION_LOADMAP}, |
241 | {"bloadmap", required_argument, NULL, OPTION_LOADMAP}, | |
242 | {"bmaxdata", required_argument, NULL, OPTION_MAXDATA}, | |
243 | {"bmaxstack", required_argument, NULL, OPTION_MAXSTACK}, | |
244 | {"bM", required_argument, NULL, OPTION_MODTYPE}, | |
245 | {"bmodtype", required_argument, NULL, OPTION_MODTYPE}, | |
246 | {"bnoautoimp", no_argument, NULL, OPTION_NOAUTOIMP}, | |
b64232cc RS |
247 | {"bnoexpall", no_argument, NULL, OPTION_NOEXPALL}, |
248 | {"bnoexpfull", no_argument, NULL, OPTION_NOEXPFULL}, | |
252b5132 RH |
249 | {"bnodelcsect", no_argument, NULL, OPTION_IGNORE}, |
250 | {"bnoentry", no_argument, NULL, OPTION_IGNORE}, | |
251 | {"bnogc", no_argument, &gc, 0}, | |
252 | {"bnso", no_argument, NULL, OPTION_NOAUTOIMP}, | |
253 | {"bnostrcmpct", no_argument, NULL, OPTION_NOSTRCMPCT}, | |
254 | {"bnotextro", no_argument, &textro, 0}, | |
255 | {"bnro", no_argument, &textro, 0}, | |
256 | {"bpD", required_argument, NULL, OPTION_PD}, | |
257 | {"bpT", required_argument, NULL, OPTION_PT}, | |
258 | {"bro", no_argument, &textro, 1}, | |
69f284c7 | 259 | {"brtl", no_argument, &rtld, 1}, |
ca10c62d TR |
260 | {"bnortl", no_argument, &rtld, 0}, |
261 | {"bnortllib", no_argument, &rtld, 0}, | |
252b5132 RH |
262 | {"bS", required_argument, NULL, OPTION_MAXSTACK}, |
263 | {"bso", no_argument, NULL, OPTION_AUTOIMP}, | |
264 | {"bstrcmpct", no_argument, NULL, OPTION_STRCMPCT}, | |
265 | {"btextro", no_argument, &textro, 1}, | |
742aeb63 TR |
266 | {"b32", no_argument, NULL, OPTION_32}, |
267 | {"b64", no_argument, NULL, OPTION_64}, | |
252b5132 RH |
268 | {"static", no_argument, NULL, OPTION_NOAUTOIMP}, |
269 | {"unix", no_argument, NULL, OPTION_UNIX}, | |
aa67bccf TR |
270 | {"blibpath", required_argument, NULL, OPTION_LIBPATH}, |
271 | {"bnolibpath", required_argument, NULL, OPTION_NOLIBPATH}, | |
252b5132 RH |
272 | {NULL, no_argument, NULL, 0} |
273 | }; | |
274 | ||
a72173de | 275 | /* Options supported by the AIX linker which we do not support: |
252b5132 RH |
276 | -S, -v, -Z, -bbindcmds, -bbinder, -bbindopts, -bcalls, -bcaps, |
277 | -bcror15, -bdebugopt, -bdbg, -bdelcsect, -bex?, -bfilelist, -bfl, | |
278 | -bgcbypass, -bglink, -binsert, -bi, -bloadmap, -bl, -bmap, -bnl, | |
279 | -bnobind, -bnocomprld, -bnocrld, -bnoerrmsg, -bnoglink, | |
280 | -bnoloadmap, -bnl, -bnoobjreorder, -bnoquiet, -bnoreorder, | |
281 | -bnotypchk, -bnox, -bquiet, -bR, -brename, -breorder, -btypchk, | |
282 | -bx, -bX, -bxref. */ | |
283 | ||
3bcf5557 AM |
284 | *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short)); |
285 | memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short)); | |
0c7a8e5a AM |
286 | *longopts = xrealloc (*longopts, |
287 | nl * sizeof (struct option) + sizeof (xtra_long)); | |
3bcf5557 AM |
288 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); |
289 | } | |
290 | ||
f38a2680 | 291 | static bool |
0c7a8e5a | 292 | gld${EMULATION_NAME}_parse_args (int argc, char **argv) |
3bcf5557 AM |
293 | { |
294 | int indx; | |
295 | ||
252b5132 RH |
296 | /* If the current option starts with -b, change the first : to an =. |
297 | The AIX linker uses : to separate the option from the argument; | |
298 | changing it to = lets us treat it as a getopt option. */ | |
299 | indx = optind; | |
fab80407 | 300 | if (indx == 0) |
249172c3 | 301 | indx = 1; |
fab80407 | 302 | |
08dedd66 | 303 | if (indx < argc && startswith (argv[indx], "-b")) |
fab80407 AM |
304 | { |
305 | char *s; | |
306 | ||
307 | for (s = argv[indx]; *s != '\0'; s++) | |
308 | { | |
309 | if (*s == ':') | |
310 | { | |
311 | *s = '='; | |
312 | break; | |
313 | } | |
314 | } | |
252b5132 | 315 | } |
f38a2680 | 316 | return false; |
3bcf5557 | 317 | } |
3b1b01cf | 318 | |
a72173de TG |
319 | /* Helper for option '-f', which specify a list of input files. |
320 | Contrary to the native linker, we don't support shell patterns | |
321 | (simply because glob isn't always available). */ | |
322 | ||
323 | static void | |
324 | read_file_list (const char *filename) | |
325 | { | |
326 | FILE *f; | |
327 | /* An upper bound on the number of characters in the file. */ | |
328 | long pos; | |
329 | /* File in memory. */ | |
330 | char *buffer; | |
331 | size_t len; | |
332 | char *b; | |
333 | char *e; | |
334 | ||
335 | f = fopen (filename, FOPEN_RT); | |
336 | if (f == NULL) | |
337 | { | |
d003af55 | 338 | einfo (_("%F%P: cannot open %s\n"), filename); |
a72173de TG |
339 | return; |
340 | } | |
341 | if (fseek (f, 0L, SEEK_END) == -1) | |
342 | goto error; | |
343 | pos = ftell (f); | |
344 | if (pos == -1) | |
345 | goto error; | |
346 | if (fseek (f, 0L, SEEK_SET) == -1) | |
347 | goto error; | |
348 | ||
349 | buffer = (char *) xmalloc (pos + 1); | |
350 | len = fread (buffer, sizeof (char), pos, f); | |
351 | if (len != (size_t) pos && ferror (f)) | |
352 | goto error; | |
353 | /* Add a NUL terminator. */ | |
354 | buffer[len] = '\0'; | |
355 | fclose (f); | |
356 | ||
357 | /* Parse files. */ | |
358 | b = buffer; | |
359 | while (1) | |
360 | { | |
361 | /* Skip empty lines. */ | |
362 | while (*b == '\n' || *b == '\r') | |
6c19b93b | 363 | b++; |
a72173de TG |
364 | |
365 | /* Stop if end of buffer. */ | |
366 | if (b == buffer + len) | |
6c19b93b | 367 | break; |
a72173de TG |
368 | |
369 | /* Eat any byte until end of line. */ | |
370 | for (e = b; *e != '\0'; e++) | |
6c19b93b AM |
371 | if (*e == '\n' || *e == '\r') |
372 | break; | |
a72173de TG |
373 | |
374 | /* Replace end of line by nul. */ | |
375 | if (*e != '\0') | |
6c19b93b | 376 | *e++ = '\0'; |
e4492aa0 | 377 | |
a72173de | 378 | if (b != e) |
6c19b93b | 379 | lang_add_input_file (b, lang_input_file_is_search_file_enum, NULL); |
a72173de TG |
380 | b = e; |
381 | } | |
382 | return; | |
383 | ||
384 | error: | |
d003af55 | 385 | einfo (_("%F%P: cannot read %s\n"), optarg); |
a72173de TG |
386 | fclose (f); |
387 | } | |
388 | ||
f38a2680 | 389 | static bool |
0c7a8e5a | 390 | gld${EMULATION_NAME}_handle_option (int optc) |
3bcf5557 AM |
391 | { |
392 | bfd_signed_vma val; | |
393 | const char *end; | |
252b5132 RH |
394 | |
395 | switch (optc) | |
396 | { | |
252b5132 | 397 | default: |
f38a2680 | 398 | return false; |
252b5132 RH |
399 | |
400 | case 0: | |
401 | /* Long option which just sets a flag. */ | |
402 | break; | |
403 | ||
a72173de TG |
404 | case 'f': |
405 | /* This overrides --auxiliary. This option specifies a file containing | |
6c19b93b | 406 | a list of input files. */ |
a72173de TG |
407 | read_file_list (optarg); |
408 | break; | |
409 | ||
252b5132 | 410 | case 'D': |
c89e8944 | 411 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 | 412 | if (*end != '\0') |
d003af55 | 413 | einfo (_("%P: warning: ignoring invalid -D number %s\n"), optarg); |
252b5132 | 414 | else if (val != -1) |
7a5df8d0 | 415 | lang_section_start (".data", exp_intop (val), NULL); |
252b5132 RH |
416 | break; |
417 | ||
418 | case 'H': | |
c89e8944 | 419 | val = bfd_scan_vma (optarg, &end, 0); |
249172c3 | 420 | if (*end != '\0' || (val & (val - 1)) != 0) |
d003af55 | 421 | einfo (_("%P: warning: ignoring invalid -H number %s\n"), optarg); |
252b5132 RH |
422 | else |
423 | file_align = val; | |
424 | break; | |
425 | ||
426 | case 'K': | |
427 | case 'z': | |
428 | /* FIXME: This should use the page size for the target system. */ | |
429 | file_align = 4096; | |
430 | break; | |
431 | ||
432 | case 'T': | |
433 | /* On AIX this is the same as GNU ld -Ttext. When we see -T | |
7fc44b9c AM |
434 | number, we assume the AIX option is intended. Otherwise, we |
435 | assume the usual GNU ld -T option is intended. We can't just | |
436 | ignore the AIX option, because gcc passes it to the linker. */ | |
c89e8944 | 437 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 | 438 | if (*end != '\0') |
f38a2680 | 439 | return false; |
7a5df8d0 | 440 | lang_section_start (".text", exp_intop (val), NULL); |
252b5132 RH |
441 | break; |
442 | ||
443 | case OPTION_IGNORE: | |
444 | break; | |
445 | ||
fab80407 AM |
446 | case OPTION_INITFINI: |
447 | { | |
448 | /* | |
449 | * The aix linker init fini has the format : | |
450 | * | |
451 | * -binitfini:[ Initial][:Termination][:Priority] | |
452 | * | |
453 | * it allows the Termination and Priority to be optional. | |
454 | * | |
455 | * Since we support only one init/fini pair, we ignore the Priority. | |
456 | * | |
457 | * Define the special symbol __rtinit. | |
458 | * | |
459 | * strtok does not correctly handle the case of -binitfini::fini: so | |
460 | * do it by hand | |
461 | */ | |
462 | char *t, *i, *f; | |
463 | ||
464 | i = t = optarg; | |
465 | while (*t && ':' != *t) | |
466 | t++; | |
467 | if (*t) | |
468 | *t++ = 0; | |
469 | ||
470 | if (0 != strlen (i)) | |
249172c3 | 471 | link_info.init_function = i; |
3b1b01cf | 472 | |
fab80407 AM |
473 | f = t; |
474 | while (*t && ':' != *t) | |
475 | t++; | |
476 | *t = 0; | |
3b1b01cf | 477 | |
fab80407 | 478 | if (0 != strlen (f)) |
249172c3 | 479 | link_info.fini_function = f; |
3b1b01cf | 480 | } |
249172c3 | 481 | break; |
7fc44b9c | 482 | |
252b5132 | 483 | case OPTION_AUTOIMP: |
f38a2680 | 484 | link_info.static_link = false; |
252b5132 RH |
485 | break; |
486 | ||
487 | case OPTION_ERNOTOK: | |
95a51568 FS |
488 | link_info.unresolved_syms_in_objects = RM_DIAGNOSE; |
489 | link_info.unresolved_syms_in_shared_libs = RM_DIAGNOSE; | |
252b5132 RH |
490 | break; |
491 | ||
492 | case OPTION_EROK: | |
858ef0ce RS |
493 | link_info.unresolved_syms_in_objects = RM_IGNORE; |
494 | link_info.unresolved_syms_in_shared_libs = RM_IGNORE; | |
252b5132 RH |
495 | break; |
496 | ||
b64232cc RS |
497 | case OPTION_EXPALL: |
498 | auto_export_flags |= XCOFF_EXPALL; | |
499 | explicit_auto_export_flags |= XCOFF_EXPALL; | |
500 | break; | |
501 | ||
502 | case OPTION_EXPFULL: | |
503 | auto_export_flags |= XCOFF_EXPFULL; | |
504 | explicit_auto_export_flags |= XCOFF_EXPFULL; | |
505 | break; | |
506 | ||
252b5132 | 507 | case OPTION_EXPORT: |
f38a2680 | 508 | gld${EMULATION_NAME}_read_file (optarg, false); |
252b5132 RH |
509 | break; |
510 | ||
511 | case OPTION_IMPORT: | |
512 | { | |
513 | struct filelist *n; | |
514 | struct filelist **flpp; | |
515 | ||
516 | n = (struct filelist *) xmalloc (sizeof (struct filelist)); | |
517 | n->next = NULL; | |
518 | n->name = optarg; | |
519 | flpp = &import_files; | |
520 | while (*flpp != NULL) | |
521 | flpp = &(*flpp)->next; | |
522 | *flpp = n; | |
523 | } | |
524 | break; | |
525 | ||
526 | case OPTION_LOADMAP: | |
527 | config.map_filename = optarg; | |
528 | break; | |
529 | ||
530 | case OPTION_MAXDATA: | |
c89e8944 | 531 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 | 532 | if (*end != '\0') |
d003af55 AM |
533 | einfo (_("%P: warning: ignoring invalid -bmaxdata number %s\n"), |
534 | optarg); | |
252b5132 RH |
535 | else |
536 | maxdata = val; | |
537 | break; | |
538 | ||
539 | case OPTION_MAXSTACK: | |
c89e8944 | 540 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 | 541 | if (*end != '\0') |
d003af55 | 542 | einfo (_("%P: warning: ignoring invalid -bmaxstack number %s\n"), |
249172c3 | 543 | optarg); |
252b5132 RH |
544 | else |
545 | maxstack = val; | |
546 | break; | |
547 | ||
548 | case OPTION_MODTYPE: | |
549 | if (*optarg == 'S') | |
550 | { | |
0e1862bb | 551 | link_info.type = type_dll; |
252b5132 RH |
552 | ++optarg; |
553 | } | |
554 | if (*optarg == '\0' || optarg[1] == '\0') | |
d003af55 | 555 | einfo (_("%P: warning: ignoring invalid module type %s\n"), optarg); |
252b5132 RH |
556 | else |
557 | modtype = (*optarg << 8) | optarg[1]; | |
558 | break; | |
559 | ||
560 | case OPTION_NOAUTOIMP: | |
f38a2680 | 561 | link_info.static_link = true; |
252b5132 RH |
562 | break; |
563 | ||
b64232cc RS |
564 | case OPTION_NOEXPALL: |
565 | auto_export_flags &= ~XCOFF_EXPALL; | |
566 | explicit_auto_export_flags |= XCOFF_EXPALL; | |
567 | break; | |
568 | ||
569 | case OPTION_NOEXPFULL: | |
570 | auto_export_flags &= ~XCOFF_EXPFULL; | |
571 | explicit_auto_export_flags |= XCOFF_EXPFULL; | |
572 | break; | |
573 | ||
252b5132 | 574 | case OPTION_NOSTRCMPCT: |
f38a2680 | 575 | link_info.traditional_format = true; |
252b5132 RH |
576 | break; |
577 | ||
578 | case OPTION_PD: | |
579 | /* This sets the page that the .data section is supposed to | |
7fc44b9c AM |
580 | start on. The offset within the page should still be the |
581 | offset within the file, so we need to build an appropriate | |
582 | expression. */ | |
c89e8944 | 583 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 | 584 | if (*end != '\0') |
d003af55 | 585 | einfo (_("%P: warning: ignoring invalid -pD number %s\n"), optarg); |
252b5132 RH |
586 | else |
587 | { | |
588 | etree_type *t; | |
589 | ||
590 | t = exp_binop ('+', | |
591 | exp_intop (val), | |
592 | exp_binop ('&', | |
593 | exp_nameop (NAME, "."), | |
594 | exp_intop (0xfff))); | |
595 | t = exp_binop ('&', | |
596 | exp_binop ('+', t, exp_intop (31)), | |
249172c3 | 597 | exp_intop (~(bfd_vma) 31)); |
7a5df8d0 | 598 | lang_section_start (".data", t, NULL); |
252b5132 RH |
599 | } |
600 | break; | |
601 | ||
602 | case OPTION_PT: | |
603 | /* This set the page that the .text section is supposed to start | |
7fc44b9c AM |
604 | on. The offset within the page should still be the offset |
605 | within the file. */ | |
c89e8944 | 606 | val = bfd_scan_vma (optarg, &end, 0); |
252b5132 | 607 | if (*end != '\0') |
d003af55 | 608 | einfo (_("%P: warning: ignoring invalid -pT number %s\n"), optarg); |
252b5132 RH |
609 | else |
610 | { | |
611 | etree_type *t; | |
612 | ||
613 | t = exp_binop ('+', | |
614 | exp_intop (val), | |
615 | exp_nameop (SIZEOF_HEADERS, NULL)); | |
616 | t = exp_binop ('&', | |
617 | exp_binop ('+', t, exp_intop (31)), | |
249172c3 | 618 | exp_intop (~(bfd_vma) 31)); |
7a5df8d0 | 619 | lang_section_start (".text", t, NULL); |
252b5132 RH |
620 | } |
621 | break; | |
622 | ||
623 | case OPTION_STRCMPCT: | |
f38a2680 | 624 | link_info.traditional_format = false; |
252b5132 RH |
625 | break; |
626 | ||
627 | case OPTION_UNIX: | |
f38a2680 | 628 | unix_ld = true; |
252b5132 | 629 | break; |
742aeb63 TR |
630 | |
631 | case OPTION_32: | |
632 | is_64bit = 0; | |
633 | syscall_mask = 0x77; | |
634 | symbol_mode_mask = 0x0d; | |
635 | break; | |
636 | ||
637 | case OPTION_64: | |
638 | is_64bit = 1; | |
639 | syscall_mask = 0xcc; | |
640 | symbol_mode_mask = 0x0e; | |
641 | break; | |
642 | ||
aa67bccf | 643 | case OPTION_LIBPATH: |
cc7e59b2 | 644 | command_line_blibpath = optarg; |
aa67bccf TR |
645 | break; |
646 | ||
647 | case OPTION_NOLIBPATH: | |
cc7e59b2 | 648 | command_line_blibpath = NULL; |
aa67bccf TR |
649 | break; |
650 | ||
252b5132 RH |
651 | } |
652 | ||
f38a2680 | 653 | return true; |
252b5132 RH |
654 | } |
655 | ||
656 | /* This is called when an input file can not be recognized as a BFD | |
657 | object or an archive. If the file starts with #!, we must treat it | |
658 | as an import file. This is for AIX compatibility. */ | |
659 | ||
f38a2680 | 660 | static bool |
0c7a8e5a | 661 | gld${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry) |
252b5132 RH |
662 | { |
663 | FILE *e; | |
f38a2680 | 664 | bool ret; |
252b5132 RH |
665 | |
666 | e = fopen (entry->filename, FOPEN_RT); | |
667 | if (e == NULL) | |
f38a2680 | 668 | return false; |
252b5132 | 669 | |
f38a2680 | 670 | ret = false; |
252b5132 RH |
671 | |
672 | if (getc (e) == '#' && getc (e) == '!') | |
673 | { | |
674 | struct filelist *n; | |
675 | struct filelist **flpp; | |
676 | ||
677 | n = (struct filelist *) xmalloc (sizeof (struct filelist)); | |
678 | n->next = NULL; | |
679 | n->name = entry->filename; | |
680 | flpp = &import_files; | |
681 | while (*flpp != NULL) | |
682 | flpp = &(*flpp)->next; | |
683 | *flpp = n; | |
684 | ||
f38a2680 AM |
685 | ret = true; |
686 | entry->flags.loaded = true; | |
252b5132 RH |
687 | } |
688 | ||
689 | fclose (e); | |
690 | ||
691 | return ret; | |
692 | } | |
693 | ||
694 | /* This is called after the input files have been opened. */ | |
695 | ||
696 | static void | |
0c7a8e5a | 697 | gld${EMULATION_NAME}_after_open (void) |
252b5132 | 698 | { |
0e1862bb | 699 | enum output_type t; |
252b5132 RH |
700 | struct set_info *p; |
701 | ||
5c3049d2 AM |
702 | after_open_default (); |
703 | ||
252b5132 | 704 | /* Call ldctor_build_sets, after pretending that this is a |
1049f94e | 705 | relocatable link. We do this because AIX requires relocation |
252b5132 RH |
706 | entries for all references to symbols, even in a final |
707 | executable. Of course, we only want to do this if we are | |
708 | producing an XCOFF output file. */ | |
0e1862bb | 709 | t = link_info.type; |
f13a99db | 710 | if (strstr (bfd_get_target (link_info.output_bfd), "xcoff") != NULL) |
0e1862bb | 711 | link_info.type = type_relocatable; |
252b5132 | 712 | ldctor_build_sets (); |
0e1862bb | 713 | link_info.type = t; |
252b5132 RH |
714 | |
715 | /* For each set, record the size, so that the XCOFF backend can | |
716 | output the correct csect length. */ | |
717 | for (p = sets; p != (struct set_info *) NULL; p = p->next) | |
718 | { | |
719 | bfd_size_type size; | |
720 | ||
721 | /* If the symbol is defined, we may have been invoked from | |
7fc44b9c AM |
722 | collect, and the sets may already have been built, so we do |
723 | not do anything. */ | |
252b5132 RH |
724 | if (p->h->type == bfd_link_hash_defined |
725 | || p->h->type == bfd_link_hash_defweak) | |
726 | continue; | |
727 | ||
728 | if (p->reloc != BFD_RELOC_CTOR) | |
729 | { | |
730 | /* Handle this if we need to. */ | |
731 | abort (); | |
732 | } | |
733 | ||
734 | size = (p->count + 2) * 4; | |
f13a99db AM |
735 | if (!bfd_xcoff_link_record_set (link_info.output_bfd, &link_info, |
736 | p->h, size)) | |
d003af55 | 737 | einfo (_("%F%P: bfd_xcoff_link_record_set failed: %E\n")); |
252b5132 RH |
738 | } |
739 | } | |
740 | ||
741 | /* This is called after the sections have been attached to output | |
742 | sections, but before any sizes or addresses have been set. */ | |
743 | ||
744 | static void | |
0c7a8e5a | 745 | gld${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
746 | { |
747 | struct filelist *fl; | |
748 | struct export_symbol_list *el; | |
749 | char *libpath; | |
3b1b01cf | 750 | asection *special_sections[XCOFF_NUMBER_OF_SPECIAL_SECTIONS]; |
9ec59d51 RS |
751 | static const char *const must_keep_sections[] = { |
752 | ".text", | |
753 | ".data", | |
754 | ".bss" | |
755 | }; | |
b64232cc | 756 | unsigned int i, flags; |
252b5132 RH |
757 | |
758 | /* Handle the import and export files, if any. */ | |
759 | for (fl = import_files; fl != NULL; fl = fl->next) | |
f38a2680 | 760 | gld${EMULATION_NAME}_read_file (fl->name, true); |
fab80407 AM |
761 | for (el = export_symbols; el != NULL; el = el->next) |
762 | { | |
763 | struct bfd_link_hash_entry *h; | |
764 | ||
f38a2680 | 765 | h = bfd_link_hash_lookup (link_info.hash, el->name, false, false, false); |
fab80407 | 766 | if (h == NULL) |
df5f2391 | 767 | einfo (_("%F%P: bfd_link_hash_lookup of export symbol failed: %E\n")); |
f13a99db | 768 | if (!bfd_xcoff_export_symbol (link_info.output_bfd, &link_info, h)) |
df5f2391 | 769 | einfo (_("%F%P: bfd_xcoff_export_symbol failed: %E\n")); |
fab80407 | 770 | } |
252b5132 RH |
771 | |
772 | /* Track down all relocations called for by the linker script (these | |
773 | are typically constructor/destructor entries created by | |
774 | CONSTRUCTORS) and let the backend know it will need to create | |
775 | .loader relocs for them. */ | |
776 | lang_for_each_statement (gld${EMULATION_NAME}_find_relocs); | |
777 | ||
aa67bccf | 778 | /* Precedence of LIBPATH |
7fc44b9c AM |
779 | -blibpath: native support always first |
780 | -rpath: gnu extension | |
781 | -L build from command line -L's */ | |
aa67bccf TR |
782 | if (command_line_blibpath != NULL) |
783 | libpath = command_line_blibpath; | |
784 | else if (command_line.rpath != NULL) | |
252b5132 RH |
785 | libpath = command_line.rpath; |
786 | else if (search_head == NULL) | |
787 | libpath = (char *) ""; | |
788 | else | |
789 | { | |
790 | size_t len; | |
791 | search_dirs_type *search; | |
792 | ||
057cac08 NC |
793 | /* PR ld/4023: Strip sysroot prefix from any paths |
794 | being inserted into the output binary's DT_RPATH. */ | |
795 | if (ld_sysroot != NULL | |
796 | && * ld_sysroot != 0) | |
252b5132 | 797 | { |
057cac08 NC |
798 | const char * name = search_head->name; |
799 | size_t ld_sysroot_len = strlen (ld_sysroot); | |
252b5132 | 800 | |
057cac08 NC |
801 | if (strncmp (name, ld_sysroot, ld_sysroot_len) == 0) |
802 | name += ld_sysroot_len; | |
803 | ||
804 | len = strlen (name); | |
805 | libpath = xmalloc (len + 1); | |
806 | strcpy (libpath, name); | |
807 | ||
808 | for (search = search_head->next; search != NULL; search = search->next) | |
809 | { | |
810 | size_t nlen; | |
811 | ||
812 | name = search->name; | |
813 | if (strncmp (name, ld_sysroot, ld_sysroot_len) == 0) | |
814 | name += ld_sysroot_len; | |
815 | ||
816 | nlen = strlen (name); | |
817 | libpath = xrealloc (libpath, len + nlen + 2); | |
818 | libpath[len] = ':'; | |
819 | strcpy (libpath + len + 1, name); | |
820 | len += nlen + 1; | |
821 | } | |
822 | } | |
823 | else | |
824 | { | |
825 | len = strlen (search_head->name); | |
826 | libpath = xmalloc (len + 1); | |
827 | strcpy (libpath, search_head->name); | |
828 | ||
829 | for (search = search_head->next; search != NULL; search = search->next) | |
830 | { | |
831 | size_t nlen; | |
832 | ||
833 | nlen = strlen (search->name); | |
834 | libpath = xrealloc (libpath, len + nlen + 2); | |
835 | libpath[len] = ':'; | |
836 | strcpy (libpath + len + 1, search->name); | |
837 | len += nlen + 1; | |
838 | } | |
252b5132 RH |
839 | } |
840 | } | |
841 | ||
b64232cc RS |
842 | /* Default to -bexpfull for SVR4-like semantics. */ |
843 | flags = (unix_ld ? XCOFF_EXPFULL : 0); | |
844 | flags &= ~explicit_auto_export_flags; | |
845 | flags |= auto_export_flags; | |
846 | ||
252b5132 | 847 | /* Let the XCOFF backend set up the .loader section. */ |
7fc44b9c | 848 | if (!bfd_xcoff_size_dynamic_sections |
f38a2680 AM |
849 | (link_info.output_bfd, &link_info, libpath, entry_symbol.name, |
850 | file_align, maxstack, maxdata, gc && !unix_ld, | |
63b4cc53 | 851 | modtype, textro, flags, special_sections, rtld)) |
df5f2391 | 852 | einfo (_("%F%P: failed to set dynamic section sizes: %E\n")); |
252b5132 RH |
853 | |
854 | /* Look through the special sections, and put them in the right | |
855 | place in the link ordering. This is especially magic. */ | |
fab80407 AM |
856 | for (i = 0; i < XCOFF_NUMBER_OF_SPECIAL_SECTIONS; i++) |
857 | { | |
858 | asection *sec; | |
859 | lang_output_section_statement_type *os; | |
860 | lang_statement_union_type **pls; | |
861 | lang_input_section_type *is; | |
862 | const char *oname; | |
f38a2680 | 863 | bool start; |
fab80407 AM |
864 | |
865 | sec = special_sections[i]; | |
866 | if (sec == NULL) | |
867 | continue; | |
3b1b01cf | 868 | |
fab80407 | 869 | /* Remove this section from the list of the output section. |
7fc44b9c | 870 | This assumes we know what the script looks like. */ |
fab80407 | 871 | is = NULL; |
24ef1aa7 | 872 | os = lang_output_section_get (sec->output_section); |
7fc44b9c | 873 | if (os == NULL) |
df5f2391 | 874 | einfo (_("%F%P: can't find output section %s\n"), |
fab80407 | 875 | sec->output_section->name); |
fab80407 AM |
876 | |
877 | for (pls = &os->children.head; *pls != NULL; pls = &(*pls)->header.next) | |
878 | { | |
7fc44b9c | 879 | if ((*pls)->header.type == lang_input_section_enum |
249172c3 | 880 | && (*pls)->input_section.section == sec) |
fab80407 | 881 | { |
249172c3 | 882 | is = (lang_input_section_type *) * pls; |
fab80407 | 883 | *pls = (*pls)->header.next; |
252b5132 | 884 | break; |
fab80407 AM |
885 | } |
886 | ||
887 | if ((*pls)->header.type == lang_wild_statement_enum) | |
888 | { | |
889 | lang_statement_union_type **pwls; | |
890 | ||
891 | for (pwls = &(*pls)->wild_statement.children.head; | |
249172c3 | 892 | *pwls != NULL; pwls = &(*pwls)->header.next) |
fab80407 AM |
893 | { |
894 | ||
7fc44b9c | 895 | if ((*pwls)->header.type == lang_input_section_enum |
249172c3 | 896 | && (*pwls)->input_section.section == sec) |
fab80407 | 897 | { |
249172c3 | 898 | is = (lang_input_section_type *) * pwls; |
fab80407 AM |
899 | *pwls = (*pwls)->header.next; |
900 | break; | |
901 | } | |
902 | } | |
903 | ||
904 | if (is != NULL) | |
905 | break; | |
906 | } | |
907 | } | |
908 | ||
909 | if (is == NULL) | |
910 | { | |
df5f2391 | 911 | einfo (_("%F%P: can't find %s in output section\n"), |
fd361982 | 912 | bfd_section_name (sec)); |
3b1b01cf | 913 | } |
fab80407 AM |
914 | |
915 | /* Now figure out where the section should go. */ | |
916 | switch (i) | |
917 | { | |
918 | ||
249172c3 | 919 | default: /* to avoid warnings */ |
fab80407 AM |
920 | case XCOFF_SPECIAL_SECTION_TEXT: |
921 | /* _text */ | |
922 | oname = ".text"; | |
f38a2680 | 923 | start = true; |
3b1b01cf | 924 | break; |
252b5132 | 925 | |
fab80407 AM |
926 | case XCOFF_SPECIAL_SECTION_ETEXT: |
927 | /* _etext */ | |
928 | oname = ".text"; | |
f38a2680 | 929 | start = false; |
fab80407 | 930 | break; |
252b5132 | 931 | |
fab80407 AM |
932 | case XCOFF_SPECIAL_SECTION_DATA: |
933 | /* _data */ | |
934 | oname = ".data"; | |
f38a2680 | 935 | start = true; |
fab80407 | 936 | break; |
252b5132 | 937 | |
fab80407 AM |
938 | case XCOFF_SPECIAL_SECTION_EDATA: |
939 | /* _edata */ | |
940 | oname = ".data"; | |
f38a2680 | 941 | start = false; |
fab80407 AM |
942 | break; |
943 | ||
944 | case XCOFF_SPECIAL_SECTION_END: | |
945 | case XCOFF_SPECIAL_SECTION_END2: | |
946 | /* _end and end */ | |
947 | oname = ".bss"; | |
f38a2680 | 948 | start = false; |
fab80407 AM |
949 | break; |
950 | } | |
252b5132 | 951 | |
fab80407 | 952 | os = lang_output_section_find (oname); |
252b5132 | 953 | |
fab80407 AM |
954 | if (start) |
955 | { | |
956 | is->header.next = os->children.head; | |
957 | os->children.head = (lang_statement_union_type *) is; | |
958 | } | |
959 | else | |
960 | { | |
961 | is->header.next = NULL; | |
36983a93 AM |
962 | *os->children.tail = (lang_statement_union_type *) is; |
963 | os->children.tail = &is->header.next; | |
fab80407 | 964 | } |
3b1b01cf | 965 | } |
8423293d | 966 | |
9ec59d51 RS |
967 | /* Executables and shared objects must always have .text, .data |
968 | and .bss output sections, so that the header can refer to them. | |
969 | The kernel refuses to load objects that have missing sections. */ | |
0e1862bb | 970 | if (!bfd_link_relocatable (&link_info)) |
9ec59d51 RS |
971 | for (i = 0; i < ARRAY_SIZE (must_keep_sections); i++) |
972 | { | |
973 | asection *sec; | |
974 | ||
975 | sec = bfd_get_section_by_name (link_info.output_bfd, | |
976 | must_keep_sections[i]); | |
977 | if (sec == NULL) | |
d003af55 AM |
978 | einfo (_("%P: can't find required output section %s\n"), |
979 | must_keep_sections[i]); | |
9ec59d51 RS |
980 | else |
981 | sec->flags |= SEC_KEEP; | |
982 | } | |
983 | ||
1b2cb8e2 CC |
984 | /* Make sure .tdata is removed if empty, even with -r flag. |
985 | .tdata is always being generated because its size is needed | |
986 | to cumpute .data address. */ | |
987 | if (bfd_link_relocatable (&link_info)) | |
988 | { | |
989 | static const char *const thread_sections[] = { | |
990 | ".tdata", | |
991 | ".tbss" | |
992 | }; | |
993 | ||
994 | /* Run lang_size_sections (if not already done). */ | |
995 | if (expld.phase != lang_mark_phase_enum) | |
996 | { | |
997 | expld.phase = lang_mark_phase_enum; | |
998 | expld.dataseg.phase = exp_seg_none; | |
f38a2680 | 999 | one_lang_size_sections_pass (NULL, false); |
1b2cb8e2 CC |
1000 | lang_reset_memory_regions (); |
1001 | } | |
1002 | ||
1003 | for (i = 0; i < ARRAY_SIZE (thread_sections); i++) | |
1004 | { | |
1005 | asection *sec; | |
1006 | ||
1007 | sec = bfd_get_section_by_name (link_info.output_bfd, | |
1008 | thread_sections[i]); | |
1009 | ||
1010 | if (sec != NULL && sec->rawsize == 0 | |
1011 | && (sec->flags & SEC_KEEP) == 0 | |
1012 | && !bfd_section_removed_from_list (link_info.output_bfd, | |
1013 | sec)) | |
1014 | { | |
1015 | sec->flags |= SEC_EXCLUDE; | |
1016 | bfd_section_list_remove (link_info.output_bfd, sec); | |
1017 | link_info.output_bfd->section_count--; | |
1018 | } | |
1019 | } | |
1020 | } | |
1021 | ||
1e035701 | 1022 | before_allocation_default (); |
3b1b01cf TR |
1023 | } |
1024 | ||
2d23f965 CC |
1025 | struct hook_stub_info |
1026 | { | |
1027 | lang_statement_list_type add; | |
1028 | asection *input_section; | |
1029 | }; | |
1030 | ||
1031 | /* Traverse the linker tree to find the spot where the stub goes. */ | |
1032 | ||
1033 | static bool | |
1034 | hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp) | |
1035 | { | |
1036 | lang_statement_union_type *l; | |
1037 | bool ret; | |
1038 | ||
1039 | for (; (l = *lp) != NULL; lp = &l->header.next) | |
1040 | { | |
1041 | switch (l->header.type) | |
1042 | { | |
1043 | case lang_constructors_statement_enum: | |
1044 | ret = hook_in_stub (info, &constructor_list.head); | |
1045 | if (ret) | |
1046 | return ret; | |
1047 | break; | |
1048 | ||
1049 | case lang_output_section_statement_enum: | |
1050 | ret = hook_in_stub (info, | |
1051 | &l->output_section_statement.children.head); | |
1052 | if (ret) | |
1053 | return ret; | |
1054 | break; | |
1055 | ||
1056 | case lang_wild_statement_enum: | |
1057 | ret = hook_in_stub (info, &l->wild_statement.children.head); | |
1058 | if (ret) | |
1059 | return ret; | |
1060 | break; | |
1061 | ||
1062 | case lang_group_statement_enum: | |
1063 | ret = hook_in_stub (info, &l->group_statement.children.head); | |
1064 | if (ret) | |
1065 | return ret; | |
1066 | break; | |
1067 | ||
1068 | case lang_input_section_enum: | |
1069 | if (l->input_section.section == info->input_section) | |
1070 | { | |
1071 | /* We've found our section. Insert the stub immediately | |
1072 | after its associated input section. */ | |
1073 | *(info->add.tail) = l->header.next; | |
1074 | l->header.next = info->add.head; | |
1075 | return true; | |
1076 | } | |
1077 | break; | |
1078 | ||
1079 | case lang_data_statement_enum: | |
1080 | case lang_reloc_statement_enum: | |
1081 | case lang_object_symbols_statement_enum: | |
1082 | case lang_output_statement_enum: | |
1083 | case lang_target_statement_enum: | |
1084 | case lang_input_statement_enum: | |
1085 | case lang_assignment_statement_enum: | |
1086 | case lang_padding_statement_enum: | |
1087 | case lang_address_statement_enum: | |
1088 | case lang_fill_statement_enum: | |
1089 | break; | |
1090 | ||
1091 | default: | |
1092 | FAIL (); | |
1093 | break; | |
1094 | } | |
1095 | } | |
1096 | return false; | |
1097 | } | |
1098 | ||
1099 | /* Call-back for bfd_xcoff_link_relocations. | |
1100 | Create a new stub section, and arrange for it to be linked | |
1101 | immediately before INPUT_SECTION. */ | |
1102 | ||
1103 | static asection * | |
1104 | xcoff_add_stub_section (const char *stub_sec_name, asection *input_section) | |
1105 | { | |
1106 | asection *stub_sec; | |
1107 | flagword flags; | |
1108 | asection *output_section; | |
1109 | lang_output_section_statement_type *os; | |
1110 | struct hook_stub_info info; | |
1111 | ||
1112 | flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | |
1113 | | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_KEEP); | |
1114 | stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd, | |
1115 | stub_sec_name, flags); | |
1116 | if (stub_sec == NULL) | |
1117 | goto err_ret; | |
1118 | ||
1119 | output_section = input_section->output_section; | |
1120 | os = lang_output_section_get (output_section); | |
1121 | ||
1122 | info.input_section = input_section; | |
1123 | lang_list_init (&info.add); | |
1124 | lang_add_section (&info.add, stub_sec, NULL, NULL, os); | |
1125 | ||
1126 | if (info.add.head == NULL) | |
1127 | goto err_ret; | |
1128 | ||
1129 | if (hook_in_stub (&info, &os->children.head)) | |
1130 | return stub_sec; | |
1131 | ||
1132 | err_ret: | |
1133 | einfo (_("%X%P: can not make stub section: %E\n")); | |
1134 | return NULL; | |
1135 | } | |
1136 | ||
1137 | /* Another call-back for bfd_xcoff_link_relocations. */ | |
1138 | ||
1139 | static void | |
1140 | xcoff_layout_sections_again (void) | |
1141 | { | |
1142 | /* If we have changed sizes of the stub sections, then we need | |
1143 | to recalculate all the section offsets. This may mean we need to | |
1144 | add even more stubs. */ | |
1145 | lang_relax_sections (true); | |
1146 | } | |
1147 | ||
1148 | /* Call the back-end to verify relocations. */ | |
1149 | ||
1876a542 CC |
1150 | static void |
1151 | gld${EMULATION_NAME}_after_allocation (void) | |
1152 | { | |
2d23f965 CC |
1153 | |
1154 | /* If generating a relocatable output file, then we don't have any | |
1155 | stubs. */ | |
1156 | if (stub_file != NULL && !bfd_link_relocatable (&link_info)) | |
1157 | { | |
1158 | /* Call into the BFD backend to do the real work. */ | |
1159 | if (!bfd_xcoff_size_stubs (&link_info)) | |
1160 | einfo (_("%X%P: can not size stub sections: %E\n")); | |
1161 | } | |
1162 | ||
1876a542 CC |
1163 | /* Now that everything is in place, finalize the dynamic sections. */ |
1164 | if (!bfd_xcoff_build_dynamic_sections (link_info.output_bfd, &link_info)) | |
1165 | einfo (_("%F%P: failed to layout dynamic sections: %E\n")); | |
2d23f965 CC |
1166 | |
1167 | if (!bfd_link_relocatable (&link_info)) | |
1168 | { | |
1169 | /* Now build the linker stubs. */ | |
1170 | if (stub_file != NULL && stub_file->the_bfd->sections != NULL) | |
1171 | { | |
1172 | if (! bfd_xcoff_build_stubs (&link_info)) | |
1173 | einfo (_("%X%P: can not build stubs: %E\n")); | |
1174 | } | |
1175 | } | |
1876a542 CC |
1176 | } |
1177 | ||
742aeb63 | 1178 | static char * |
0c7a8e5a | 1179 | gld${EMULATION_NAME}_choose_target (int argc, char **argv) |
742aeb63 TR |
1180 | { |
1181 | int i, j, jmax; | |
1182 | static char *from_outside; | |
1183 | static char *from_inside; | |
7fc44b9c | 1184 | static char *argv_to_target[][2] = { |
249172c3 | 1185 | {NULL, "${OUTPUT_FORMAT}"}, |
eb1e0e80 NC |
1186 | {"-b32", "${OUTPUT_FORMAT_32BIT}"}, |
1187 | {"-b64", "${OUTPUT_FORMAT_64BIT}"}, | |
249172c3 | 1188 | }; |
742aeb63 TR |
1189 | |
1190 | jmax = 3; | |
1191 | ||
1192 | from_outside = getenv (TARGET_ENVIRON); | |
249172c3 | 1193 | if (from_outside != (char *) NULL) |
742aeb63 TR |
1194 | return from_outside; |
1195 | ||
1196 | /* Set to default. */ | |
1197 | from_inside = argv_to_target[0][1]; | |
1198 | for (i = 1; i < argc; i++) | |
1199 | { | |
7fc44b9c | 1200 | for (j = 1; j < jmax; j++) |
742aeb63 TR |
1201 | { |
1202 | if (0 == strcmp (argv[i], argv_to_target[j][0])) | |
1203 | from_inside = argv_to_target[j][1]; | |
1204 | } | |
1205 | } | |
249172c3 | 1206 | |
742aeb63 TR |
1207 | return from_inside; |
1208 | } | |
1209 | ||
7fc44b9c | 1210 | /* Returns |
249172c3 TR |
1211 | 1 : state changed |
1212 | 0 : no change */ | |
7fc44b9c | 1213 | static int |
0c7a8e5a | 1214 | change_symbol_mode (char *input) |
3b1b01cf | 1215 | { |
3b1b01cf | 1216 | char *symbol_mode_string[] = { |
249172c3 TR |
1217 | "# 32", /* 0x01 */ |
1218 | "# 64", /* 0x02 */ | |
1219 | "# no32", /* 0x04 */ | |
1220 | "# no64", /* 0x08 */ | |
3b1b01cf TR |
1221 | NULL, |
1222 | }; | |
249172c3 | 1223 | |
3b1b01cf TR |
1224 | unsigned int bit; |
1225 | char *string; | |
1226 | ||
249172c3 | 1227 | for (bit = 0;; bit++) |
fab80407 AM |
1228 | { |
1229 | string = symbol_mode_string[bit]; | |
249172c3 | 1230 | if (string == NULL) |
fab80407 AM |
1231 | return 0; |
1232 | ||
1233 | if (0 == strcmp (input, string)) | |
1234 | { | |
1235 | symbol_mode = (1 << bit); | |
1236 | return 1; | |
1237 | } | |
3b1b01cf | 1238 | } |
3b1b01cf TR |
1239 | /* should not be here */ |
1240 | return 0; | |
1241 | } | |
1242 | ||
7fc44b9c | 1243 | /* Returns |
249172c3 TR |
1244 | 1 : yes |
1245 | 0 : ignore | |
1246 | -1 : error, try something else */ | |
7fc44b9c | 1247 | static int |
0c7a8e5a | 1248 | is_syscall (char *input, unsigned int *flag) |
3b1b01cf | 1249 | { |
3b1b01cf TR |
1250 | unsigned int bit; |
1251 | char *string; | |
7fc44b9c | 1252 | |
1fdf0249 TR |
1253 | struct sc { |
1254 | char *syscall_string; | |
1255 | unsigned int flag; | |
1256 | } s [] = { | |
1257 | { "svc" /* 0x01 */, XCOFF_SYSCALL32 }, | |
1258 | { "svc32" /* 0x02 */, XCOFF_SYSCALL32 }, | |
1259 | { "svc3264" /* 0x04 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 }, | |
1260 | { "svc64" /* 0x08 */, XCOFF_SYSCALL64 }, | |
1261 | { "syscall" /* 0x10 */, XCOFF_SYSCALL32 }, | |
1262 | { "syscall32" /* 0x20 */, XCOFF_SYSCALL32 }, | |
1263 | { "syscall3264" /* 0x40 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 }, | |
1264 | { "syscall64" /* 0x80 */, XCOFF_SYSCALL64 }, | |
1265 | { NULL, 0 }, | |
3b1b01cf TR |
1266 | }; |
1267 | ||
1fdf0249 | 1268 | *flag = 0; |
3b1b01cf | 1269 | |
7fc44b9c | 1270 | for (bit = 0;; bit++) |
249172c3 TR |
1271 | { |
1272 | string = s[bit].syscall_string; | |
7fc44b9c | 1273 | if (string == NULL) |
249172c3 | 1274 | return -1; |
fab80407 | 1275 | |
7fc44b9c | 1276 | if (0 == strcmp (input, string)) |
249172c3 | 1277 | { |
7fc44b9c | 1278 | if (1 << bit & syscall_mask) |
249172c3 TR |
1279 | { |
1280 | *flag = s[bit].flag; | |
1281 | return 1; | |
7fc44b9c AM |
1282 | } |
1283 | else | |
249172c3 TR |
1284 | { |
1285 | return 0; | |
1286 | } | |
1287 | } | |
252b5132 | 1288 | } |
3b1b01cf TR |
1289 | /* should not be here */ |
1290 | return -1; | |
252b5132 RH |
1291 | } |
1292 | ||
1293 | /* Read an import or export file. For an import file, this is called | |
1294 | by the before_allocation emulation routine. For an export file, | |
3bcf5557 | 1295 | this is called by the handle_option emulation routine. */ |
252b5132 RH |
1296 | |
1297 | static void | |
f38a2680 | 1298 | gld${EMULATION_NAME}_read_file (const char *filename, bool import) |
252b5132 RH |
1299 | { |
1300 | struct obstack *o; | |
1301 | FILE *f; | |
1302 | int lineno; | |
1303 | int c; | |
f38a2680 | 1304 | bool keep; |
252b5132 RH |
1305 | const char *imppath; |
1306 | const char *impfile; | |
1307 | const char *impmember; | |
1308 | ||
1309 | o = (struct obstack *) xmalloc (sizeof (struct obstack)); | |
1310 | obstack_specify_allocation (o, 0, 0, xmalloc, gld${EMULATION_NAME}_free); | |
1311 | ||
1312 | f = fopen (filename, FOPEN_RT); | |
1313 | if (f == NULL) | |
1314 | { | |
1315 | bfd_set_error (bfd_error_system_call); | |
df5f2391 | 1316 | einfo ("%F%P: %s: %E\n", filename); |
b2e951ec | 1317 | return; |
252b5132 RH |
1318 | } |
1319 | ||
f38a2680 | 1320 | keep = false; |
252b5132 RH |
1321 | |
1322 | imppath = NULL; | |
1323 | impfile = NULL; | |
1324 | impmember = NULL; | |
1325 | ||
1326 | lineno = 0; | |
3b1b01cf | 1327 | |
69f284c7 TR |
1328 | /* Default to 32 and 64 bit mode |
1329 | symbols at top of /lib/syscalls.exp do not have a mode modifier and they | |
1330 | are not repeated, assume 64 bit routines also want to use them. | |
1331 | See the routine change_symbol_mode for more information. */ | |
1332 | ||
3b1b01cf TR |
1333 | symbol_mode = 0x04; |
1334 | ||
252b5132 RH |
1335 | while ((c = getc (f)) != EOF) |
1336 | { | |
1337 | char *s; | |
1338 | char *symname; | |
1fdf0249 | 1339 | unsigned int syscall_flag = 0; |
252b5132 RH |
1340 | bfd_vma address; |
1341 | struct bfd_link_hash_entry *h; | |
1342 | ||
1343 | if (c != '\n') | |
1344 | { | |
1345 | obstack_1grow (o, c); | |
1346 | continue; | |
1347 | } | |
1348 | ||
1349 | obstack_1grow (o, '\0'); | |
1350 | ++lineno; | |
1351 | ||
1352 | s = (char *) obstack_base (o); | |
3882b010 | 1353 | while (ISSPACE (*s)) |
252b5132 | 1354 | ++s; |
fab80407 AM |
1355 | if (*s == '\0' |
1356 | || *s == '*' | |
1357 | || change_symbol_mode (s) | |
1358 | || (*s == '#' && s[1] == ' ') | |
249172c3 | 1359 | || (!import && *s == '#' && s[1] == '!')) |
252b5132 RH |
1360 | { |
1361 | obstack_free (o, obstack_base (o)); | |
1362 | continue; | |
1363 | } | |
1364 | ||
1365 | if (*s == '#' && s[1] == '!') | |
1366 | { | |
1367 | s += 2; | |
3882b010 | 1368 | while (ISSPACE (*s)) |
252b5132 RH |
1369 | ++s; |
1370 | if (*s == '\0') | |
1371 | { | |
1372 | imppath = NULL; | |
1373 | impfile = NULL; | |
1374 | impmember = NULL; | |
1375 | obstack_free (o, obstack_base (o)); | |
1376 | } | |
1377 | else if (*s == '(') | |
df5f2391 | 1378 | einfo (_("%F%P:%s:%d: #! ([member]) is not supported " |
d003af55 | 1379 | "in import files\n"), |
252b5132 RH |
1380 | filename, lineno); |
1381 | else | |
1382 | { | |
1383 | char cs; | |
24c611d1 | 1384 | char *start; |
252b5132 RH |
1385 | |
1386 | (void) obstack_finish (o); | |
f38a2680 | 1387 | keep = true; |
24c611d1 | 1388 | start = s; |
249172c3 | 1389 | while (!ISSPACE (*s) && *s != '(' && *s != '\0') |
24c611d1 | 1390 | ++s; |
252b5132 RH |
1391 | cs = *s; |
1392 | *s = '\0'; | |
24c611d1 RS |
1393 | if (!bfd_xcoff_split_import_path (link_info.output_bfd, |
1394 | start, &imppath, &impfile)) | |
df5f2391 | 1395 | einfo (_("%F%P: could not parse import path: %E\n")); |
3882b010 | 1396 | while (ISSPACE (cs)) |
252b5132 RH |
1397 | { |
1398 | ++s; | |
1399 | cs = *s; | |
1400 | } | |
1401 | if (cs != '(') | |
1402 | { | |
1403 | impmember = ""; | |
1404 | if (cs != '\0') | |
df5f2391 | 1405 | einfo (_("%P:%s:%d: warning: syntax error in import file\n"), |
252b5132 RH |
1406 | filename, lineno); |
1407 | } | |
1408 | else | |
1409 | { | |
1410 | ++s; | |
1411 | impmember = s; | |
1412 | while (*s != ')' && *s != '\0') | |
1413 | ++s; | |
1414 | if (*s == ')') | |
1415 | *s = '\0'; | |
1416 | else | |
df5f2391 | 1417 | einfo (_("%P:%s:%d: warning: syntax error in import file\n"), |
252b5132 RH |
1418 | filename, lineno); |
1419 | } | |
1420 | } | |
1421 | ||
1422 | continue; | |
1423 | } | |
1424 | ||
742aeb63 | 1425 | if (symbol_mode & symbol_mode_mask) |
fab80407 AM |
1426 | { |
1427 | /* This is a symbol to be imported or exported. */ | |
1428 | symname = s; | |
1fdf0249 | 1429 | syscall_flag = 0; |
fab80407 AM |
1430 | address = (bfd_vma) -1; |
1431 | ||
249172c3 | 1432 | while (!ISSPACE (*s) && *s != '\0') |
fab80407 AM |
1433 | ++s; |
1434 | if (*s != '\0') | |
1435 | { | |
1436 | char *se; | |
3b1b01cf | 1437 | |
fab80407 | 1438 | *s++ = '\0'; |
3b1b01cf | 1439 | |
3882b010 | 1440 | while (ISSPACE (*s)) |
fab80407 AM |
1441 | ++s; |
1442 | ||
1443 | se = s; | |
249172c3 | 1444 | while (!ISSPACE (*se) && *se != '\0') |
fab80407 AM |
1445 | ++se; |
1446 | if (*se != '\0') | |
1447 | { | |
1448 | *se++ = '\0'; | |
3882b010 | 1449 | while (ISSPACE (*se)) |
fab80407 AM |
1450 | ++se; |
1451 | if (*se != '\0') | |
df5f2391 | 1452 | einfo (_("%P:%s%d: warning: syntax error in " |
d003af55 | 1453 | "import/export file\n"), |
fab80407 AM |
1454 | filename, lineno); |
1455 | } | |
1456 | ||
1457 | if (s != se) | |
1458 | { | |
1459 | int status; | |
c89e8944 | 1460 | const char *end; |
fab80407 | 1461 | |
249172c3 | 1462 | status = is_syscall (s, &syscall_flag); |
7fc44b9c AM |
1463 | |
1464 | if (0 > status) | |
249172c3 TR |
1465 | { |
1466 | /* not a system call, check for address */ | |
c89e8944 | 1467 | address = bfd_scan_vma (s, &end, 0); |
249172c3 TR |
1468 | if (*end != '\0') |
1469 | { | |
df5f2391 | 1470 | einfo (_("%P:%s:%d: warning: syntax error in " |
d003af55 | 1471 | "import/export file\n"), |
249172c3 | 1472 | filename, lineno); |
7fc44b9c | 1473 | |
249172c3 TR |
1474 | } |
1475 | } | |
3b1b01cf | 1476 | } |
252b5132 | 1477 | } |
3b1b01cf | 1478 | |
249172c3 | 1479 | if (!import) |
fab80407 AM |
1480 | { |
1481 | struct export_symbol_list *n; | |
1482 | ||
f38a2680 | 1483 | ldlang_add_undef (symname, true); |
fab80407 AM |
1484 | n = ((struct export_symbol_list *) |
1485 | xmalloc (sizeof (struct export_symbol_list))); | |
1486 | n->next = export_symbols; | |
1487 | n->name = xstrdup (symname); | |
fab80407 AM |
1488 | export_symbols = n; |
1489 | } | |
1490 | else | |
1491 | { | |
f38a2680 AM |
1492 | h = bfd_link_hash_lookup (link_info.hash, symname, false, false, |
1493 | true); | |
fab80407 AM |
1494 | if (h == NULL || h->type == bfd_link_hash_new) |
1495 | { | |
1496 | /* We can just ignore attempts to import an unreferenced | |
1497 | symbol. */ | |
1498 | } | |
1499 | else | |
1500 | { | |
f13a99db AM |
1501 | if (!bfd_xcoff_import_symbol (link_info.output_bfd, |
1502 | &link_info, h, | |
249172c3 TR |
1503 | address, imppath, impfile, |
1504 | impmember, syscall_flag)) | |
df5f2391 | 1505 | einfo (_("%X%P:%s:%d: failed to import symbol %s: %E\n"), |
fab80407 AM |
1506 | filename, lineno, symname); |
1507 | } | |
1508 | } | |
1509 | } | |
252b5132 RH |
1510 | obstack_free (o, obstack_base (o)); |
1511 | } | |
fab80407 | 1512 | |
252b5132 RH |
1513 | if (obstack_object_size (o) > 0) |
1514 | { | |
df5f2391 | 1515 | einfo (_("%P:%s:%d: warning: ignoring unterminated last line\n"), |
fab80407 AM |
1516 | filename, lineno); |
1517 | obstack_free (o, obstack_base (o)); | |
1518 | } | |
252b5132 | 1519 | |
249172c3 | 1520 | if (!keep) |
fab80407 AM |
1521 | { |
1522 | obstack_free (o, NULL); | |
1523 | free (o); | |
252b5132 | 1524 | } |
b2e951ec NC |
1525 | |
1526 | fclose (f); | |
fab80407 | 1527 | } |
252b5132 RH |
1528 | |
1529 | /* This routine saves us from worrying about declaring free. */ | |
1530 | ||
1531 | static void | |
0c7a8e5a | 1532 | gld${EMULATION_NAME}_free (void *p) |
252b5132 RH |
1533 | { |
1534 | free (p); | |
1535 | } | |
1536 | ||
1537 | /* This is called by the before_allocation routine via | |
1538 | lang_for_each_statement. It looks for relocations and assignments | |
1539 | to symbols. */ | |
1540 | ||
1541 | static void | |
0c7a8e5a | 1542 | gld${EMULATION_NAME}_find_relocs (lang_statement_union_type *s) |
252b5132 RH |
1543 | { |
1544 | if (s->header.type == lang_reloc_statement_enum) | |
1545 | { | |
1546 | lang_reloc_statement_type *rs; | |
1547 | ||
1548 | rs = &s->reloc_statement; | |
1549 | if (rs->name == NULL) | |
d003af55 | 1550 | einfo (_("%F%P: only relocations against symbols are permitted\n")); |
f13a99db AM |
1551 | if (!bfd_xcoff_link_count_reloc (link_info.output_bfd, &link_info, |
1552 | rs->name)) | |
d003af55 | 1553 | einfo (_("%F%P: bfd_xcoff_link_count_reloc failed: %E\n")); |
252b5132 RH |
1554 | } |
1555 | ||
1556 | if (s->header.type == lang_assignment_statement_enum) | |
1557 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
1558 | } | |
1559 | ||
1560 | /* Look through an expression for an assignment statement. */ | |
1561 | ||
1562 | static void | |
0c7a8e5a | 1563 | gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp) |
252b5132 RH |
1564 | { |
1565 | struct bfd_link_hash_entry *h; | |
1566 | ||
1567 | switch (exp->type.node_class) | |
1568 | { | |
1569 | case etree_provide: | |
fb3dc213 | 1570 | case etree_provided: |
252b5132 | 1571 | h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst, |
f38a2680 | 1572 | false, false, false); |
252b5132 RH |
1573 | if (h == NULL) |
1574 | break; | |
1575 | /* Fall through. */ | |
1576 | case etree_assign: | |
1577 | if (strcmp (exp->assign.dst, ".") != 0) | |
1578 | { | |
f13a99db AM |
1579 | if (!bfd_xcoff_record_link_assignment (link_info.output_bfd, |
1580 | &link_info, | |
249172c3 | 1581 | exp->assign.dst)) |
df5f2391 | 1582 | einfo (_("%F%P: failed to record assignment to %s: %E\n"), |
252b5132 RH |
1583 | exp->assign.dst); |
1584 | } | |
1585 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); | |
1586 | break; | |
1587 | ||
1588 | case etree_binary: | |
1589 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
1590 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
1591 | break; | |
1592 | ||
1593 | case etree_trinary: | |
1594 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
1595 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
1596 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
1597 | break; | |
1598 | ||
1599 | case etree_unary: | |
1600 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
1601 | break; | |
1602 | ||
1603 | default: | |
1604 | break; | |
1605 | } | |
1606 | } | |
1607 | ||
1608 | static char * | |
0c7a8e5a | 1609 | gld${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
1610 | EOF |
1611 | ||
7225345d | 1612 | if test x"$COMPILE_IN" = xyes |
252b5132 RH |
1613 | then |
1614 | # Scripts compiled in. | |
1615 | ||
1616 | # sed commands to quote an ld script as a C string. | |
9cadc5fa | 1617 | sc="-f ${srcdir}/emultempl/stringify.sed" |
252b5132 | 1618 | |
92b93329 | 1619 | fragment <<EOF |
fab80407 | 1620 | { |
252b5132 RH |
1621 | *isfile = 0; |
1622 | ||
0e1862bb | 1623 | if (bfd_link_relocatable (&link_info) && config.build_constructors) |
252b5132 RH |
1624 | return |
1625 | EOF | |
b34976b6 | 1626 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
0e1862bb | 1627 | echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c |
b34976b6 AM |
1628 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
1629 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1630 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
1631 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c | |
1632 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
1633 | echo ' ; else return' >> e${EMULATION_NAME}.c | |
1634 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1635 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
1636 | |
1637 | else | |
1638 | # Scripts read from the filesystem. | |
1639 | ||
92b93329 | 1640 | fragment <<EOF |
fab80407 | 1641 | { |
252b5132 RH |
1642 | *isfile = 1; |
1643 | ||
0e1862bb | 1644 | if (bfd_link_relocatable (&link_info) && config.build_constructors) |
252b5132 | 1645 | return "ldscripts/${EMULATION_NAME}.xu"; |
0e1862bb | 1646 | else if (bfd_link_relocatable (&link_info)) |
252b5132 RH |
1647 | return "ldscripts/${EMULATION_NAME}.xr"; |
1648 | else if (!config.text_read_only) | |
1649 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
1650 | else if (!config.magic_demand_paged) | |
1651 | return "ldscripts/${EMULATION_NAME}.xn"; | |
1652 | else | |
1653 | return "ldscripts/${EMULATION_NAME}.x"; | |
1654 | } | |
1655 | EOF | |
1656 | ||
1657 | fi | |
1658 | ||
92b93329 | 1659 | fragment <<EOF |
252b5132 | 1660 | |
7fc44b9c | 1661 | static void |
0c7a8e5a | 1662 | gld${EMULATION_NAME}_create_output_section_statements (void) |
9a4c7f16 | 1663 | { |
2d23f965 CC |
1664 | if ((bfd_get_flavour (link_info.output_bfd) != bfd_target_xcoff_flavour)) |
1665 | return; | |
1666 | ||
1667 | /* Stub file */ | |
1668 | stub_file = lang_add_input_file ("linker stubs", | |
1669 | lang_input_file_is_fake_enum, | |
1670 | NULL); | |
1671 | stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd); | |
1672 | if (stub_file->the_bfd == NULL | |
1673 | || !bfd_set_arch_mach (stub_file->the_bfd, | |
1674 | bfd_get_arch (link_info.output_bfd), | |
1675 | bfd_get_mach (link_info.output_bfd))) | |
1676 | { | |
1677 | einfo (_("%F%P: can not create stub BFD: %E\n")); | |
1678 | return; | |
1679 | } | |
1680 | ||
1681 | stub_file->the_bfd->flags |= BFD_LINKER_CREATED; | |
1682 | ldlang_add_file (stub_file); | |
1683 | params.stub_bfd = stub_file->the_bfd; | |
1684 | ||
1685 | /* Pass linker params to the back-end. */ | |
1686 | if (!bfd_xcoff_link_init (&link_info, ¶ms)) | |
1687 | einfo (_("%F%P: can not init BFD: %E\n")); | |
1688 | ||
9a4c7f16 | 1689 | /* __rtinit */ |
2d23f965 CC |
1690 | if (link_info.init_function != NULL |
1691 | || link_info.fini_function != NULL | |
1692 | || rtld) | |
9a4c7f16 | 1693 | { |
9a4c7f16 TR |
1694 | initfini_file = lang_add_input_file ("initfini", |
1695 | lang_input_file_is_file_enum, | |
1696 | NULL); | |
7fc44b9c | 1697 | |
f13a99db | 1698 | initfini_file->the_bfd = bfd_create ("initfini", link_info.output_bfd); |
9a4c7f16 TR |
1699 | if (initfini_file->the_bfd == NULL |
1700 | || ! bfd_set_arch_mach (initfini_file->the_bfd, | |
f13a99db AM |
1701 | bfd_get_arch (link_info.output_bfd), |
1702 | bfd_get_mach (link_info.output_bfd))) | |
9a4c7f16 | 1703 | { |
df5f2391 | 1704 | einfo (_("%F%P: can not create BFD: %E\n")); |
9a4c7f16 TR |
1705 | return; |
1706 | } | |
7fc44b9c | 1707 | |
9a4c7f16 | 1708 | /* Call backend to fill in the rest */ |
b34976b6 AM |
1709 | if (! bfd_xcoff_link_generate_rtinit (initfini_file->the_bfd, |
1710 | link_info.init_function, | |
1711 | link_info.fini_function, | |
1712 | rtld)) | |
9a4c7f16 | 1713 | { |
df5f2391 | 1714 | einfo (_("%F%P: can not create BFD: %E\n")); |
9a4c7f16 TR |
1715 | return; |
1716 | } | |
69f284c7 TR |
1717 | |
1718 | /* __rtld defined in /lib/librtl.a */ | |
b34976b6 | 1719 | if (rtld) |
69f284c7 | 1720 | lang_add_input_file ("rtl", lang_input_file_is_l_enum, NULL); |
9a4c7f16 TR |
1721 | } |
1722 | } | |
1723 | ||
f1f0d9ab | 1724 | static void |
0c7a8e5a | 1725 | gld${EMULATION_NAME}_set_output_arch (void) |
f1f0d9ab | 1726 | { |
f13a99db AM |
1727 | bfd_set_arch_mach (link_info.output_bfd, |
1728 | bfd_xcoff_architecture (link_info.output_bfd), | |
1729 | bfd_xcoff_machine (link_info.output_bfd)); | |
f1f0d9ab | 1730 | |
f13a99db AM |
1731 | ldfile_output_architecture = bfd_get_arch (link_info.output_bfd); |
1732 | ldfile_output_machine = bfd_get_mach (link_info.output_bfd); | |
1733 | ldfile_output_machine_name = bfd_printable_name (link_info.output_bfd); | |
f1f0d9ab TR |
1734 | } |
1735 | ||
f38a2680 | 1736 | static bool |
24c611d1 RS |
1737 | gld${EMULATION_NAME}_open_dynamic_archive (const char *arch, |
1738 | search_dirs_type *search, | |
1739 | lang_input_statement_type *entry) | |
1740 | { | |
24c611d1 RS |
1741 | char *path; |
1742 | ||
66be1055 | 1743 | if (!entry->flags.maybe_archive) |
f38a2680 | 1744 | return false; |
24c611d1 | 1745 | |
d4ae5fb0 AM |
1746 | if (entry->flags.full_name_provided) |
1747 | path = concat (search->name, "/", entry->filename, | |
1748 | (const char *) NULL); | |
1749 | else | |
1750 | path = concat (search->name, "/lib", entry->filename, arch, ".a", | |
1751 | (const char *) NULL); | |
1752 | ||
24c611d1 RS |
1753 | if (!ldfile_try_open_bfd (path, entry)) |
1754 | { | |
1755 | free (path); | |
f38a2680 | 1756 | return false; |
24c611d1 RS |
1757 | } |
1758 | /* Don't include the searched directory in the import path. */ | |
1759 | bfd_xcoff_set_archive_import_path (&link_info, entry->the_bfd, | |
1760 | path + strlen (search->name) + 1); | |
1761 | entry->filename = path; | |
f38a2680 | 1762 | return true; |
24c611d1 RS |
1763 | } |
1764 | ||
f38a2680 | 1765 | static bool |
3edf7b9f DR |
1766 | gld${EMULATION_NAME}_print_symbol (struct bfd_link_hash_entry *hash_entry, |
1767 | void *ptr) | |
1768 | { | |
1769 | asection *sec = (asection *) ptr; | |
1770 | ||
1771 | if ((hash_entry->type == bfd_link_hash_defined | |
1772 | || hash_entry->type == bfd_link_hash_defweak) | |
1773 | && sec == hash_entry->u.def.section) | |
1774 | { | |
3edf7b9f DR |
1775 | struct xcoff_link_hash_entry *h; |
1776 | ||
6b9bd54c | 1777 | print_spaces (SECTION_NAME_MAP_LENGTH); |
3edf7b9f DR |
1778 | minfo ("0x%V ", |
1779 | (hash_entry->u.def.value | |
1780 | + hash_entry->u.def.section->output_offset | |
1781 | + hash_entry->u.def.section->output_section->vma)); | |
1782 | ||
1783 | /* Flag symbol if it has been garbage collected. */ | |
1784 | h = (struct xcoff_link_hash_entry *) hash_entry; | |
1785 | if ((h != NULL) && !(h->flags & XCOFF_MARK)) | |
1786 | minfo (" -->gc"); | |
1787 | minfo (" %pT\n", hash_entry->root.string); | |
1788 | } | |
1789 | ||
f38a2680 | 1790 | return true; |
3edf7b9f | 1791 | } |
252b5132 | 1792 | EOF |
a9261391 L |
1793 | |
1794 | LDEMUL_AFTER_OPEN=gld${EMULATION_NAME}_after_open | |
1795 | LDEMUL_SET_OUTPUT_ARCH=gld${EMULATION_NAME}_set_output_arch | |
1796 | LDEMUL_CHOOSE_TARGET=gld${EMULATION_NAME}_choose_target | |
1797 | LDEMUL_BEFORE_ALLOCATION=gld${EMULATION_NAME}_before_allocation | |
1876a542 | 1798 | LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation |
a9261391 L |
1799 | LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=gld${EMULATION_NAME}_create_output_section_statements |
1800 | LDEMUL_OPEN_DYNAMIC_ARCHIVE=gld${EMULATION_NAME}_open_dynamic_archive | |
1801 | LDEMUL_PARSE_ARGS=gld${EMULATION_NAME}_parse_args | |
1802 | LDEMUL_ADD_OPTIONS=gld${EMULATION_NAME}_add_options | |
1803 | LDEMUL_HANDLE_OPTION=gld${EMULATION_NAME}_handle_option | |
1804 | LDEMUL_UNRECOGNIZED_FILE=gld${EMULATION_NAME}_unrecognized_file | |
1805 | LDEMUL_PRINT_SYMBOL=gld${EMULATION_NAME}_print_symbol | |
1806 | ||
1807 | source_em ${srcdir}/emultempl/emulation.em |