1 # This shell script emits a C file. -*- C -*-
2 # It does some substitutions.
3 if [ -z "$MACHINE" ]; then
6 OUTPUT_ARCH=${ARCH}:${MACHINE}
9 /* This file is is generated by a shell script. DO NOT EDIT! */
11 /* AIX emulation code for ${EMULATION_NAME}
12 Copyright 1991, 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
13 2003, 2004, 2005, 2006, 2007
14 Free Software Foundation, Inc.
15 Written by Steve Chamberlain <sac@cygnus.com>
16 AIX support by Ian Lance Taylor <ian@cygnus.com>
17 AIX 64 bit support by Tom Rix <trix@redhat.com>
19 This file is part of the GNU Binutils.
21 This program is free software; you can redistribute it and/or modify
22 it under the terms of the GNU General Public License as published by
23 the Free Software Foundation; either version 3 of the License, or
24 (at your option) any later version.
26 This program is distributed in the hope that it will be useful,
27 but WITHOUT ANY WARRANTY; without even the implied warranty of
28 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
29 GNU General Public License for more details.
31 You should have received a copy of the GNU General Public License
32 along with this program; if not, write to the Free Software
33 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
34 MA 02110-1301, USA. */
36 #define TARGET_IS_${EMULATION_NAME}
40 #include "libiberty.h"
41 #include "safe-ctype.h"
56 #include "coff/internal.h"
57 #include "coff/xcoff.h"
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 *);
67 /* The file alignment required for each section. */
68 static unsigned long file_align;
70 /* The maximum size the stack is permitted to grow. This is stored in
72 static unsigned long maxstack;
74 /* The maximum data size. This is stored in the a.out header. */
75 static unsigned long maxdata;
77 /* Whether to perform garbage collection. */
80 /* The module type to use. */
81 static unsigned short modtype = ('1' << 8) | 'L';
83 /* Whether the .text section must be read-only (i.e., no relocs
87 /* Whether to implement Unix like linker semantics. */
90 /* Structure used to hold import file list. */
94 struct filelist *next;
98 /* List of import files. */
99 static struct filelist *import_files;
101 /* List of export symbols read from the export files. */
103 struct export_symbol_list
105 struct export_symbol_list *next;
109 static struct export_symbol_list *export_symbols;
111 /* Maintains the 32 or 64 bit mode state of import file */
112 static unsigned int symbol_mode = 0x04;
114 /* Which symbol modes are valid */
115 static unsigned int symbol_mode_mask = 0x0d;
117 /* Whether this is a 64 bit link */
118 static int is_64bit = 0;
120 /* Which syscalls from import file are valid */
121 static unsigned int syscall_mask = 0x77;
123 /* fake file for -binitfini support */
124 static lang_input_statement_type *initfini_file;
126 /* Whether to do run time linking
127 -brtl enables, -bnortl and -bnortllib disable. */
130 /* Explicit command line library path, -blibpath */
131 static char *command_line_blibpath = NULL;
133 /* This routine is called before anything else is done. */
136 gld${EMULATION_NAME}_before_parse (void)
138 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
140 config.has_shared = TRUE;
142 /* The link_info.[init|fini]_functions are initialized in ld/lexsup.c.
143 Override them here so we can use the link_info.init_function as a
144 state flag that lets the backend know that -binitfini has been done. */
146 link_info.init_function = NULL;
147 link_info.fini_function = NULL;
150 /* Handle AIX specific options. */
178 gld${EMULATION_NAME}_add_options
179 (int ns, char **shortopts, int nl, struct option **longopts,
180 int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED)
182 static const char xtra_short[] = "D:H:KT:z";
183 static const struct option xtra_long[] = {
184 /* -binitfini has special handling in the linker backend. The native linker
185 uses the arguemnts to generate a table of init and fini functions for
186 the executable. The important use for this option is to support aix 4.2+
187 c++ constructors and destructors. This is tied into gcc via collect2.c.
189 The function table is accessed by the runtime linker/loader by checking if
190 the first symbol in the loader symbol table is __rtinit. The gnu linker
191 generates this symbol and makes it the first loader symbol. */
193 {"basis", no_argument, NULL, OPTION_IGNORE},
194 {"bautoimp", no_argument, NULL, OPTION_AUTOIMP},
195 {"bcomprld", no_argument, NULL, OPTION_IGNORE},
196 {"bcrld", no_argument, NULL, OPTION_IGNORE},
197 {"bcror31", no_argument, NULL, OPTION_IGNORE},
198 {"bD", required_argument, NULL, OPTION_MAXDATA},
199 {"bE", required_argument, NULL, OPTION_EXPORT},
200 {"bernotok", no_argument, NULL, OPTION_ERNOTOK},
201 {"berok", no_argument, NULL, OPTION_EROK},
202 {"berrmsg", no_argument, NULL, OPTION_IGNORE},
203 {"bexport", required_argument, NULL, OPTION_EXPORT},
204 {"bf", no_argument, NULL, OPTION_ERNOTOK},
205 {"bgc", no_argument, &gc, 1},
206 {"bh", required_argument, NULL, OPTION_IGNORE},
207 {"bhalt", required_argument, NULL, OPTION_IGNORE},
208 {"bI", required_argument, NULL, OPTION_IMPORT},
209 {"bimport", required_argument, NULL, OPTION_IMPORT},
210 {"binitfini", required_argument, NULL, OPTION_INITFINI},
211 {"bl", required_argument, NULL, OPTION_LOADMAP},
212 {"bloadmap", required_argument, NULL, OPTION_LOADMAP},
213 {"bmaxdata", required_argument, NULL, OPTION_MAXDATA},
214 {"bmaxstack", required_argument, NULL, OPTION_MAXSTACK},
215 {"bM", required_argument, NULL, OPTION_MODTYPE},
216 {"bmodtype", required_argument, NULL, OPTION_MODTYPE},
217 {"bnoautoimp", no_argument, NULL, OPTION_NOAUTOIMP},
218 {"bnodelcsect", no_argument, NULL, OPTION_IGNORE},
219 {"bnoentry", no_argument, NULL, OPTION_IGNORE},
220 {"bnogc", no_argument, &gc, 0},
221 {"bnso", no_argument, NULL, OPTION_NOAUTOIMP},
222 {"bnostrcmpct", no_argument, NULL, OPTION_NOSTRCMPCT},
223 {"bnotextro", no_argument, &textro, 0},
224 {"bnro", no_argument, &textro, 0},
225 {"bpD", required_argument, NULL, OPTION_PD},
226 {"bpT", required_argument, NULL, OPTION_PT},
227 {"bro", no_argument, &textro, 1},
228 {"brtl", no_argument, &rtld, 1},
229 {"bnortl", no_argument, &rtld, 0},
230 {"bnortllib", no_argument, &rtld, 0},
231 {"bS", required_argument, NULL, OPTION_MAXSTACK},
232 {"bso", no_argument, NULL, OPTION_AUTOIMP},
233 {"bstrcmpct", no_argument, NULL, OPTION_STRCMPCT},
234 {"btextro", no_argument, &textro, 1},
235 {"b32", no_argument, NULL, OPTION_32},
236 {"b64", no_argument, NULL, OPTION_64},
237 {"static", no_argument, NULL, OPTION_NOAUTOIMP},
238 {"unix", no_argument, NULL, OPTION_UNIX},
239 {"blibpath", required_argument, NULL, OPTION_LIBPATH},
240 {"bnolibpath", required_argument, NULL, OPTION_NOLIBPATH},
241 {NULL, no_argument, NULL, 0}
244 /* Options supported by the AIX linker which we do not support: -f,
245 -S, -v, -Z, -bbindcmds, -bbinder, -bbindopts, -bcalls, -bcaps,
246 -bcror15, -bdebugopt, -bdbg, -bdelcsect, -bex?, -bfilelist, -bfl,
247 -bgcbypass, -bglink, -binsert, -bi, -bloadmap, -bl, -bmap, -bnl,
248 -bnobind, -bnocomprld, -bnocrld, -bnoerrmsg, -bnoglink,
249 -bnoloadmap, -bnl, -bnoobjreorder, -bnoquiet, -bnoreorder,
250 -bnotypchk, -bnox, -bquiet, -bR, -brename, -breorder, -btypchk,
253 *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short));
254 memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short));
255 *longopts = xrealloc (*longopts,
256 nl * sizeof (struct option) + sizeof (xtra_long));
257 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
261 gld${EMULATION_NAME}_parse_args (int argc, char **argv)
265 /* If the current option starts with -b, change the first : to an =.
266 The AIX linker uses : to separate the option from the argument;
267 changing it to = lets us treat it as a getopt option. */
272 if (indx < argc && CONST_STRNEQ (argv[indx], "-b"))
276 for (s = argv[indx]; *s != '\0'; s++)
289 gld${EMULATION_NAME}_handle_option (int optc)
300 /* Long option which just sets a flag. */
304 val = bfd_scan_vma (optarg, &end, 0);
306 einfo ("%P: warning: ignoring invalid -D number %s\n", optarg);
308 lang_section_start (".data", exp_intop (val), NULL);
312 val = bfd_scan_vma (optarg, &end, 0);
313 if (*end != '\0' || (val & (val - 1)) != 0)
314 einfo ("%P: warning: ignoring invalid -H number %s\n", optarg);
321 /* FIXME: This should use the page size for the target system. */
326 /* On AIX this is the same as GNU ld -Ttext. When we see -T
327 number, we assume the AIX option is intended. Otherwise, we
328 assume the usual GNU ld -T option is intended. We can't just
329 ignore the AIX option, because gcc passes it to the linker. */
330 val = bfd_scan_vma (optarg, &end, 0);
333 lang_section_start (".text", exp_intop (val), NULL);
339 case OPTION_INITFINI:
342 * The aix linker init fini has the format :
344 * -binitfini:[ Initial][:Termination][:Priority]
346 * it allows the Termination and Priority to be optional.
348 * Since we support only one init/fini pair, we ignore the Priority.
350 * Define the special symbol __rtinit.
352 * strtok does not correctly handle the case of -binitfini::fini: so
358 while (*t && ':' != *t)
364 link_info.init_function = i;
367 while (*t && ':' != *t)
372 link_info.fini_function = f;
377 link_info.static_link = FALSE;
381 force_make_executable = FALSE;
385 force_make_executable = TRUE;
389 gld${EMULATION_NAME}_read_file (optarg, FALSE);
395 struct filelist **flpp;
397 n = (struct filelist *) xmalloc (sizeof (struct filelist));
400 flpp = &import_files;
401 while (*flpp != NULL)
402 flpp = &(*flpp)->next;
408 config.map_filename = optarg;
412 val = bfd_scan_vma (optarg, &end, 0);
414 einfo ("%P: warning: ignoring invalid -bmaxdata number %s\n", optarg);
419 case OPTION_MAXSTACK:
420 val = bfd_scan_vma (optarg, &end, 0);
422 einfo ("%P: warning: ignoring invalid -bmaxstack number %s\n",
431 link_info.shared = TRUE;
434 if (*optarg == '\0' || optarg[1] == '\0')
435 einfo ("%P: warning: ignoring invalid module type %s\n", optarg);
437 modtype = (*optarg << 8) | optarg[1];
440 case OPTION_NOAUTOIMP:
441 link_info.static_link = TRUE;
444 case OPTION_NOSTRCMPCT:
445 link_info.traditional_format = TRUE;
449 /* This sets the page that the .data section is supposed to
450 start on. The offset within the page should still be the
451 offset within the file, so we need to build an appropriate
453 val = bfd_scan_vma (optarg, &end, 0);
455 einfo ("%P: warning: ignoring invalid -pD number %s\n", optarg);
463 exp_nameop (NAME, "."),
466 exp_binop ('+', t, exp_intop (31)),
467 exp_intop (~(bfd_vma) 31));
468 lang_section_start (".data", t, NULL);
473 /* This set the page that the .text section is supposed to start
474 on. The offset within the page should still be the offset
476 val = bfd_scan_vma (optarg, &end, 0);
478 einfo ("%P: warning: ignoring invalid -pT number %s\n", optarg);
485 exp_nameop (SIZEOF_HEADERS, NULL));
487 exp_binop ('+', t, exp_intop (31)),
488 exp_intop (~(bfd_vma) 31));
489 lang_section_start (".text", t, NULL);
493 case OPTION_STRCMPCT:
494 link_info.traditional_format = FALSE;
504 symbol_mode_mask = 0x0d;
510 symbol_mode_mask = 0x0e;
514 command_line_blibpath = optarg;
517 case OPTION_NOLIBPATH:
518 command_line_blibpath = NULL;
526 /* This is called when an input file can not be recognized as a BFD
527 object or an archive. If the file starts with #!, we must treat it
528 as an import file. This is for AIX compatibility. */
531 gld${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry)
536 e = fopen (entry->filename, FOPEN_RT);
542 if (getc (e) == '#' && getc (e) == '!')
545 struct filelist **flpp;
547 n = (struct filelist *) xmalloc (sizeof (struct filelist));
549 n->name = entry->filename;
550 flpp = &import_files;
551 while (*flpp != NULL)
552 flpp = &(*flpp)->next;
556 entry->loaded = TRUE;
564 /* This is called after the input files have been opened. */
567 gld${EMULATION_NAME}_after_open (void)
572 /* Call ldctor_build_sets, after pretending that this is a
573 relocatable link. We do this because AIX requires relocation
574 entries for all references to symbols, even in a final
575 executable. Of course, we only want to do this if we are
576 producing an XCOFF output file. */
577 r = link_info.relocatable;
578 if (strstr (bfd_get_target (output_bfd), "xcoff") != NULL)
579 link_info.relocatable = TRUE;
580 ldctor_build_sets ();
581 link_info.relocatable = r;
583 /* For each set, record the size, so that the XCOFF backend can
584 output the correct csect length. */
585 for (p = sets; p != (struct set_info *) NULL; p = p->next)
589 /* If the symbol is defined, we may have been invoked from
590 collect, and the sets may already have been built, so we do
592 if (p->h->type == bfd_link_hash_defined
593 || p->h->type == bfd_link_hash_defweak)
596 if (p->reloc != BFD_RELOC_CTOR)
598 /* Handle this if we need to. */
602 size = (p->count + 2) * 4;
603 if (!bfd_xcoff_link_record_set (output_bfd, &link_info, p->h, size))
604 einfo ("%F%P: bfd_xcoff_link_record_set failed: %E\n");
608 /* This is called after the sections have been attached to output
609 sections, but before any sizes or addresses have been set. */
612 gld${EMULATION_NAME}_before_allocation (void)
615 struct export_symbol_list *el;
617 asection *special_sections[XCOFF_NUMBER_OF_SPECIAL_SECTIONS];
620 /* Handle the import and export files, if any. */
621 for (fl = import_files; fl != NULL; fl = fl->next)
622 gld${EMULATION_NAME}_read_file (fl->name, TRUE);
623 for (el = export_symbols; el != NULL; el = el->next)
625 struct bfd_link_hash_entry *h;
627 h = bfd_link_hash_lookup (link_info.hash, el->name, FALSE, FALSE, FALSE);
629 einfo ("%P%F: bfd_link_hash_lookup of export symbol failed: %E\n");
630 if (!bfd_xcoff_export_symbol (output_bfd, &link_info, h))
631 einfo ("%P%F: bfd_xcoff_export_symbol failed: %E\n");
634 /* Track down all relocations called for by the linker script (these
635 are typically constructor/destructor entries created by
636 CONSTRUCTORS) and let the backend know it will need to create
637 .loader relocs for them. */
638 lang_for_each_statement (gld${EMULATION_NAME}_find_relocs);
640 /* Precedence of LIBPATH
641 -blibpath: native support always first
642 -rpath: gnu extension
643 -L build from command line -L's */
644 if (command_line_blibpath != NULL)
645 libpath = command_line_blibpath;
646 else if (command_line.rpath != NULL)
647 libpath = command_line.rpath;
648 else if (search_head == NULL)
649 libpath = (char *) "";
653 search_dirs_type *search;
655 /* PR ld/4023: Strip sysroot prefix from any paths
656 being inserted into the output binary's DT_RPATH. */
657 if (ld_sysroot != NULL
658 && * ld_sysroot != 0)
660 const char * name = search_head->name;
661 size_t ld_sysroot_len = strlen (ld_sysroot);
663 if (strncmp (name, ld_sysroot, ld_sysroot_len) == 0)
664 name += ld_sysroot_len;
667 libpath = xmalloc (len + 1);
668 strcpy (libpath, name);
670 for (search = search_head->next; search != NULL; search = search->next)
675 if (strncmp (name, ld_sysroot, ld_sysroot_len) == 0)
676 name += ld_sysroot_len;
678 nlen = strlen (name);
679 libpath = xrealloc (libpath, len + nlen + 2);
681 strcpy (libpath + len + 1, name);
687 len = strlen (search_head->name);
688 libpath = xmalloc (len + 1);
689 strcpy (libpath, search_head->name);
691 for (search = search_head->next; search != NULL; search = search->next)
695 nlen = strlen (search->name);
696 libpath = xrealloc (libpath, len + nlen + 2);
698 strcpy (libpath + len + 1, search->name);
704 /* Let the XCOFF backend set up the .loader section. */
705 if (!bfd_xcoff_size_dynamic_sections
706 (output_bfd, &link_info, libpath, entry_symbol.name, file_align,
707 maxstack, maxdata, gc && !unix_ld ? TRUE : FALSE,
708 modtype, textro ? TRUE : FALSE, unix_ld, special_sections,
709 rtld ? TRUE : FALSE))
710 einfo ("%P%F: failed to set dynamic section sizes: %E\n");
712 /* Look through the special sections, and put them in the right
713 place in the link ordering. This is especially magic. */
714 for (i = 0; i < XCOFF_NUMBER_OF_SPECIAL_SECTIONS; i++)
717 lang_output_section_statement_type *os;
718 lang_statement_union_type **pls;
719 lang_input_section_type *is;
723 sec = special_sections[i];
727 /* Remove this section from the list of the output section.
728 This assumes we know what the script looks like. */
730 os = lang_output_section_find (sec->output_section->name);
732 einfo ("%P%F: can't find output section %s\n",
733 sec->output_section->name);
735 for (pls = &os->children.head; *pls != NULL; pls = &(*pls)->header.next)
737 if ((*pls)->header.type == lang_input_section_enum
738 && (*pls)->input_section.section == sec)
740 is = (lang_input_section_type *) * pls;
741 *pls = (*pls)->header.next;
745 if ((*pls)->header.type == lang_wild_statement_enum)
747 lang_statement_union_type **pwls;
749 for (pwls = &(*pls)->wild_statement.children.head;
750 *pwls != NULL; pwls = &(*pwls)->header.next)
753 if ((*pwls)->header.type == lang_input_section_enum
754 && (*pwls)->input_section.section == sec)
756 is = (lang_input_section_type *) * pwls;
757 *pwls = (*pwls)->header.next;
769 einfo ("%P%F: can't find %s in output section\n",
770 bfd_get_section_name (sec->owner, sec));
773 /* Now figure out where the section should go. */
777 default: /* to avoid warnings */
778 case XCOFF_SPECIAL_SECTION_TEXT:
784 case XCOFF_SPECIAL_SECTION_ETEXT:
790 case XCOFF_SPECIAL_SECTION_DATA:
796 case XCOFF_SPECIAL_SECTION_EDATA:
802 case XCOFF_SPECIAL_SECTION_END:
803 case XCOFF_SPECIAL_SECTION_END2:
810 os = lang_output_section_find (oname);
814 is->header.next = os->children.head;
815 os->children.head = (lang_statement_union_type *) is;
819 is->header.next = NULL;
820 lang_statement_append (&os->children,
821 (lang_statement_union_type *) is,
826 before_allocation_default ();
830 gld${EMULATION_NAME}_choose_target (int argc, char **argv)
833 static char *from_outside;
834 static char *from_inside;
835 static char *argv_to_target[][2] = {
836 {NULL, "${OUTPUT_FORMAT}"},
837 {"-b32", "${OUTPUT_FORMAT_32BIT}"},
838 {"-b64", "${OUTPUT_FORMAT_64BIT}"},
843 from_outside = getenv (TARGET_ENVIRON);
844 if (from_outside != (char *) NULL)
847 /* Set to default. */
848 from_inside = argv_to_target[0][1];
849 for (i = 1; i < argc; i++)
851 for (j = 1; j < jmax; j++)
853 if (0 == strcmp (argv[i], argv_to_target[j][0]))
854 from_inside = argv_to_target[j][1];
865 change_symbol_mode (char *input)
867 char *symbol_mode_string[] = {
878 for (bit = 0;; bit++)
880 string = symbol_mode_string[bit];
884 if (0 == strcmp (input, string))
886 symbol_mode = (1 << bit);
890 /* should not be here */
897 -1 : error, try something else */
899 is_syscall (char *input, unsigned int *flag)
905 char *syscall_string;
908 { "svc" /* 0x01 */, XCOFF_SYSCALL32 },
909 { "svc32" /* 0x02 */, XCOFF_SYSCALL32 },
910 { "svc3264" /* 0x04 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 },
911 { "svc64" /* 0x08 */, XCOFF_SYSCALL64 },
912 { "syscall" /* 0x10 */, XCOFF_SYSCALL32 },
913 { "syscall32" /* 0x20 */, XCOFF_SYSCALL32 },
914 { "syscall3264" /* 0x40 */, XCOFF_SYSCALL32 | XCOFF_SYSCALL64 },
915 { "syscall64" /* 0x80 */, XCOFF_SYSCALL64 },
921 for (bit = 0;; bit++)
923 string = s[bit].syscall_string;
927 if (0 == strcmp (input, string))
929 if (1 << bit & syscall_mask)
940 /* should not be here */
944 /* Read an import or export file. For an import file, this is called
945 by the before_allocation emulation routine. For an export file,
946 this is called by the handle_option emulation routine. */
949 gld${EMULATION_NAME}_read_file (const char *filename, bfd_boolean import)
958 const char *impmember;
960 o = (struct obstack *) xmalloc (sizeof (struct obstack));
961 obstack_specify_allocation (o, 0, 0, xmalloc, gld${EMULATION_NAME}_free);
963 f = fopen (filename, FOPEN_RT);
966 bfd_set_error (bfd_error_system_call);
967 einfo ("%F%s: %E\n", filename);
978 /* Default to 32 and 64 bit mode
979 symbols at top of /lib/syscalls.exp do not have a mode modifier and they
980 are not repeated, assume 64 bit routines also want to use them.
981 See the routine change_symbol_mode for more information. */
985 while ((c = getc (f)) != EOF)
989 unsigned int syscall_flag = 0;
991 struct bfd_link_hash_entry *h;
995 obstack_1grow (o, c);
999 obstack_1grow (o, '\0');
1002 s = (char *) obstack_base (o);
1003 while (ISSPACE (*s))
1007 || change_symbol_mode (s)
1008 || (*s == '#' && s[1] == ' ')
1009 || (!import && *s == '#' && s[1] == '!'))
1011 obstack_free (o, obstack_base (o));
1015 if (*s == '#' && s[1] == '!')
1018 while (ISSPACE (*s))
1025 obstack_free (o, obstack_base (o));
1028 einfo ("%F%s%d: #! ([member]) is not supported in import files\n",
1035 (void) obstack_finish (o);
1039 while (!ISSPACE (*s) && *s != '(' && *s != '\0')
1049 if (imppath == file - 1)
1059 while (ISSPACE (cs))
1068 einfo ("%s:%d: warning: syntax error in import file\n",
1075 while (*s != ')' && *s != '\0')
1080 einfo ("%s:%d: warning: syntax error in import file\n",
1088 if (symbol_mode & symbol_mode_mask)
1090 /* This is a symbol to be imported or exported. */
1093 address = (bfd_vma) -1;
1095 while (!ISSPACE (*s) && *s != '\0')
1103 while (ISSPACE (*s))
1107 while (!ISSPACE (*se) && *se != '\0')
1112 while (ISSPACE (*se))
1115 einfo ("%s%d: warning: syntax error in import/export file\n",
1124 status = is_syscall (s, &syscall_flag);
1128 /* not a system call, check for address */
1129 address = bfd_scan_vma (s, &end, 0);
1132 einfo ("%s:%d: warning: syntax error in import/export file\n",
1142 struct export_symbol_list *n;
1144 ldlang_add_undef (symname);
1145 n = ((struct export_symbol_list *)
1146 xmalloc (sizeof (struct export_symbol_list)));
1147 n->next = export_symbols;
1148 n->name = xstrdup (symname);
1153 h = bfd_link_hash_lookup (link_info.hash, symname, FALSE, FALSE,
1155 if (h == NULL || h->type == bfd_link_hash_new)
1157 /* We can just ignore attempts to import an unreferenced
1162 if (!bfd_xcoff_import_symbol (output_bfd, &link_info, h,
1163 address, imppath, impfile,
1164 impmember, syscall_flag))
1165 einfo ("%X%s:%d: failed to import symbol %s: %E\n",
1166 filename, lineno, symname);
1170 obstack_free (o, obstack_base (o));
1173 if (obstack_object_size (o) > 0)
1175 einfo ("%s:%d: warning: ignoring unterminated last line\n",
1177 obstack_free (o, obstack_base (o));
1182 obstack_free (o, NULL);
1187 /* This routine saves us from worrying about declaring free. */
1190 gld${EMULATION_NAME}_free (void *p)
1195 /* This is called by the before_allocation routine via
1196 lang_for_each_statement. It looks for relocations and assignments
1200 gld${EMULATION_NAME}_find_relocs (lang_statement_union_type *s)
1202 if (s->header.type == lang_reloc_statement_enum)
1204 lang_reloc_statement_type *rs;
1206 rs = &s->reloc_statement;
1207 if (rs->name == NULL)
1208 einfo ("%F%P: only relocations against symbols are permitted\n");
1209 if (!bfd_xcoff_link_count_reloc (output_bfd, &link_info, rs->name))
1210 einfo ("%F%P: bfd_xcoff_link_count_reloc failed: %E\n");
1213 if (s->header.type == lang_assignment_statement_enum)
1214 gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
1217 /* Look through an expression for an assignment statement. */
1220 gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp)
1222 struct bfd_link_hash_entry *h;
1224 switch (exp->type.node_class)
1227 h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst,
1228 FALSE, FALSE, FALSE);
1233 if (strcmp (exp->assign.dst, ".") != 0)
1235 if (!bfd_xcoff_record_link_assignment (output_bfd, &link_info,
1237 einfo ("%P%F: failed to record assignment to %s: %E\n",
1240 gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src);
1244 gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs);
1245 gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs);
1249 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond);
1250 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs);
1251 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs);
1255 gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child);
1264 gld${EMULATION_NAME}_get_script (int *isfile)
1267 if test -n "$COMPILE_IN"
1269 # Scripts compiled in.
1271 # sed commands to quote an ld script as a C string.
1272 sc="-f ${srcdir}/emultempl/ostring.sed"
1278 if (link_info.relocatable && config.build_constructors)
1281 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1282 echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
1283 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1284 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1285 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1286 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1287 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
1288 echo ' ; else return' >> e${EMULATION_NAME}.c
1289 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1290 echo '; }' >> e${EMULATION_NAME}.c
1293 # Scripts read from the filesystem.
1299 if (link_info.relocatable && config.build_constructors)
1300 return "ldscripts/${EMULATION_NAME}.xu";
1301 else if (link_info.relocatable)
1302 return "ldscripts/${EMULATION_NAME}.xr";
1303 else if (!config.text_read_only)
1304 return "ldscripts/${EMULATION_NAME}.xbn";
1305 else if (!config.magic_demand_paged)
1306 return "ldscripts/${EMULATION_NAME}.xn";
1308 return "ldscripts/${EMULATION_NAME}.x";
1317 gld${EMULATION_NAME}_create_output_section_statements (void)
1320 if ((bfd_get_flavour (output_bfd) == bfd_target_xcoff_flavour)
1321 && (link_info.init_function != NULL
1322 || link_info.fini_function != NULL
1325 initfini_file = lang_add_input_file ("initfini",
1326 lang_input_file_is_file_enum,
1329 initfini_file->the_bfd = bfd_create ("initfini", output_bfd);
1330 if (initfini_file->the_bfd == NULL
1331 || ! bfd_set_arch_mach (initfini_file->the_bfd,
1332 bfd_get_arch (output_bfd),
1333 bfd_get_mach (output_bfd)))
1335 einfo ("%X%P: can not create BFD %E\n");
1339 /* Call backend to fill in the rest */
1340 if (! bfd_xcoff_link_generate_rtinit (initfini_file->the_bfd,
1341 link_info.init_function,
1342 link_info.fini_function,
1345 einfo ("%X%P: can not create BFD %E\n");
1349 /* __rtld defined in /lib/librtl.a */
1351 lang_add_input_file ("rtl", lang_input_file_is_l_enum, NULL);
1356 gld${EMULATION_NAME}_set_output_arch (void)
1358 bfd_set_arch_mach (output_bfd,
1359 bfd_xcoff_architecture (output_bfd),
1360 bfd_xcoff_machine (output_bfd));
1362 ldfile_output_architecture = bfd_get_arch (output_bfd);
1363 ldfile_output_machine = bfd_get_mach (output_bfd);
1364 ldfile_output_machine_name = bfd_printable_name (output_bfd);
1367 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = {
1368 gld${EMULATION_NAME}_before_parse,
1371 after_parse_default,
1372 gld${EMULATION_NAME}_after_open,
1373 after_allocation_default,
1374 gld${EMULATION_NAME}_set_output_arch,
1375 gld${EMULATION_NAME}_choose_target,
1376 gld${EMULATION_NAME}_before_allocation,
1377 gld${EMULATION_NAME}_get_script,
1378 "${EMULATION_NAME}",
1381 gld${EMULATION_NAME}_create_output_section_statements,
1382 0, /* open_dynamic_archive */
1383 0, /* place_orphan */
1384 0, /* set_symbols */
1385 gld${EMULATION_NAME}_parse_args,
1386 gld${EMULATION_NAME}_add_options,
1387 gld${EMULATION_NAME}_handle_option,
1388 gld${EMULATION_NAME}_unrecognized_file,
1389 NULL, /* list_options */
1390 NULL, /* recognized_file */
1391 NULL, /* find potential_libraries */
1392 NULL /* new_vers_pattern */