mips-idt-ecoff.
* mpw-eppcmac.c: Shortened from mpw-eppcmacos.c.
* mpw-ld.r: Add version resources.
(cfrg): Use symbolic instead of literal name for executable.
+Tue Dec 12 13:55:41 1995 Stan Shebs <shebs@andros.cygnus.com>
+
+ * mpw-config.in: Recognize mips-*-* as equivalent to
+ mips-idt-ecoff.
+ * mpw-eppcmacos.c: Rename to shorter mpw-eppcmac.c.
+ * mpw-ld.r: Add version resources.
+ (cfrg): Use symbolic instead of literal name for executable.
+
Mon Dec 11 15:13:41 1995 Kim Knuttila <krk@cygnus.com>
* scripttempl/ppcpe.sc (FINI): Moved the .reloc section.
+/* Resources for GNU LD. */
+
+#include "SysTypes.r"
+
+/* Version resources. */
+
+resource 'vers' (1) {
+ 0,
+ 0,
+ 0,
+ 0,
+ verUs,
+ VERSION_STRING,
+ VERSION_STRING " (C) 1986-95 FSF, Inc."
+};
+
+resource 'vers' (2, purgeable) {
+ 0,
+ 0,
+ 0,
+ 0,
+ verUs,
+ VERSION_STRING,
+ "GLD " VERSION_STRING " for MPW"
+};
+
#ifdef WANT_CFRG
#include "CodeFragmentTypes.r"
kNoVersionNum, kNoVersionNum,
0, 0,
kIsApp, kOnDiskFlat, kZeroOffset, kWholeFork,
- "ld"
+ PROG_NAME
}
};
Set emulname m68kcoff
forward-include "{srcdir}"mpw-em68kcoff.c em68kcoff.c
Set emulation_ofiles "{o}"em68kcoff.c.o
+
Else If "{target_canonical}" =~ /powerpc-apple-macos/
Set emulname ppcmacos
- forward-include "{srcdir}"mpw-eppcmacos.c eppcmacos.c
+ forward-include "{srcdir}"mpw-eppcmac.c eppcmacos.c
Set emulation_ofiles "{o}"eppcmacos.c.o
+
Else If "{target_canonical}" =~ /i386-unknown-go32/
Set emulname i386go32
forward-include "{srcdir}"mpw-ei386go32.c ei386go32.c
Set emulation_ofiles "{o}"ei386go32.c.o
-Else If "{target_canonical}" =~ /mips-idt-ecoff/
+
+Else If "{target_canonical}" =~ /mips-\Option-x-\Option-x/
Set emulname mipsidt
forward-include "{srcdir}"mpw-emipsidt.c emipsidt.c
Set emulation_ofiles "{o}"emipsidt.c.o
+
Else If "{target_canonical}" =~ /sh-hitachi-hms/
Set emulname sh
forward-include "{srcdir}"mpw-esh.c esh.c
--- /dev/null
+/* This file is is generated by a shell script. DO NOT EDIT! */
+
+/* AIX emulation code for ppcmacos
+ Copyright (C) 1991, 1993, 1995 Free Software Foundation, Inc.
+ Written by Steve Chamberlain <sac@cygnus.com>
+ AIX support by Ian Lance Taylor <ian@cygnus.com>
+
+This file is part of GLD, the Gnu Linker.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#define TARGET_IS_ppcmacos
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libiberty.h"
+#include "getopt.h"
+#include "bfdlink.h"
+
+#include <ctype.h>
+
+#include "ld.h"
+#include "ldmain.h"
+#include "ldemul.h"
+#include "ldfile.h"
+#include "ldmisc.h"
+#include "ldexp.h"
+#include "ldlang.h"
+#include "ldctor.h"
+#include "ldgram.h"
+
+static void gldppcmacos_before_parse PARAMS ((void));
+static int gldppcmacos_parse_args PARAMS ((int, char **));
+static void gldppcmacos_after_open PARAMS ((void));
+static void gldppcmacos_before_allocation PARAMS ((void));
+static void gldppcmacos_read_file PARAMS ((const char *, boolean));
+static void gldppcmacos_free PARAMS ((PTR));
+static void gldppcmacos_find_relocs
+ PARAMS ((lang_statement_union_type *));
+static void gldppcmacos_find_exp_assignment PARAMS ((etree_type *));
+static char *gldppcmacos_get_script PARAMS ((int *isfile));
+
+/* The file alignment required for each section. */
+static unsigned long file_align;
+
+/* The maximum size the stack is permitted to grow. This is stored in
+ the a.out header. */
+static unsigned long maxstack;
+
+/* The maximum data size. This is stored in the a.out header. */
+static unsigned long maxdata;
+
+/* Whether to perform garbage collection. */
+static int gc = 1;
+
+/* The module type to use. */
+static unsigned short modtype = ('1' << 8) | 'L';
+
+/* Whether the .text section must be read-only (i.e., no relocs
+ permitted). */
+static int textro;
+
+/* Whether to implement Unix like linker semantics. */
+static int unix_ld;
+
+/* Structure used to hold import file list. */
+
+struct filelist
+{
+ struct filelist *next;
+ const char *name;
+};
+
+/* List of import files. */
+static struct filelist *import_files;
+
+/* List of export symbols read from the export files. */
+
+struct export_symbol_list
+{
+ struct export_symbol_list *next;
+ const char *name;
+ boolean syscall;
+};
+
+static struct export_symbol_list *export_symbols;
+
+/* This routine is called before anything else is done. */
+
+static void
+gldppcmacos_before_parse()
+{
+#ifndef TARGET_ /* I.e., if not generic. */
+ ldfile_output_architecture = bfd_arch_powerpc;
+#endif /* not TARGET_ */
+}
+
+/* Handle AIX specific options. */
+
+static int
+gldppcmacos_parse_args (argc, argv)
+ int argc;
+ char **argv;
+{
+ int prevoptind = optind;
+ int prevopterr = opterr;
+ int indx;
+ int longind;
+ int optc;
+ long val;
+ char *end;
+
+#define OPTION_IGNORE (300)
+#define OPTION_AUTOIMP (OPTION_IGNORE + 1)
+#define OPTION_ERNOTOK (OPTION_AUTOIMP + 1)
+#define OPTION_EROK (OPTION_ERNOTOK + 1)
+#define OPTION_EXPORT (OPTION_EROK + 1)
+#define OPTION_IMPORT (OPTION_EXPORT + 1)
+#define OPTION_LOADMAP (OPTION_IMPORT + 1)
+#define OPTION_MAXDATA (OPTION_LOADMAP + 1)
+#define OPTION_MAXSTACK (OPTION_MAXDATA + 1)
+#define OPTION_MODTYPE (OPTION_MAXSTACK + 1)
+#define OPTION_NOAUTOIMP (OPTION_MODTYPE + 1)
+#define OPTION_NOSTRCMPCT (OPTION_NOAUTOIMP + 1)
+#define OPTION_PD (OPTION_NOSTRCMPCT + 1)
+#define OPTION_PT (OPTION_PD + 1)
+#define OPTION_STRCMPCT (OPTION_PT + 1)
+#define OPTION_UNIX (OPTION_STRCMPCT + 1)
+
+ static struct option longopts[] = {
+ {"basis", no_argument, NULL, OPTION_IGNORE},
+ {"bautoimp", no_argument, NULL, OPTION_AUTOIMP},
+ {"bcomprld", no_argument, NULL, OPTION_IGNORE},
+ {"bcrld", no_argument, NULL, OPTION_IGNORE},
+ {"bcror31", no_argument, NULL, OPTION_IGNORE},
+ {"bD", required_argument, NULL, OPTION_MAXDATA},
+ {"bE", required_argument, NULL, OPTION_EXPORT},
+ {"bernotok", no_argument, NULL, OPTION_ERNOTOK},
+ {"berok", no_argument, NULL, OPTION_EROK},
+ {"berrmsg", no_argument, NULL, OPTION_IGNORE},
+ {"bexport", required_argument, NULL, OPTION_EXPORT},
+ {"bf", no_argument, NULL, OPTION_ERNOTOK},
+ {"bgc", no_argument, &gc, 1},
+ {"bh", required_argument, NULL, OPTION_IGNORE},
+ {"bhalt", required_argument, NULL, OPTION_IGNORE},
+ {"bI", required_argument, NULL, OPTION_IMPORT},
+ {"bimport", required_argument, NULL, OPTION_IMPORT},
+ {"bl", required_argument, NULL, OPTION_LOADMAP},
+ {"bloadmap", required_argument, NULL, OPTION_LOADMAP},
+ {"bmaxdata", required_argument, NULL, OPTION_MAXDATA},
+ {"bmaxstack", required_argument, NULL, OPTION_MAXSTACK},
+ {"bM", required_argument, NULL, OPTION_MODTYPE},
+ {"bmodtype", required_argument, NULL, OPTION_MODTYPE},
+ {"bnoautoimp", no_argument, NULL, OPTION_NOAUTOIMP},
+ {"bnodelcsect", no_argument, NULL, OPTION_IGNORE},
+ {"bnogc", no_argument, &gc, 0},
+ {"bnso", no_argument, NULL, OPTION_NOAUTOIMP},
+ {"bnostrcmpct", no_argument, NULL, OPTION_NOSTRCMPCT},
+ {"bnotextro", no_argument, &textro, 0},
+ {"bnro", no_argument, &textro, 0},
+ {"bpD", required_argument, NULL, OPTION_PD},
+ {"bpT", required_argument, NULL, OPTION_PT},
+ {"bro", no_argument, &textro, 1},
+ {"bS", required_argument, NULL, OPTION_MAXSTACK},
+ {"bso", no_argument, NULL, OPTION_AUTOIMP},
+ {"bstrcmpct", no_argument, NULL, OPTION_STRCMPCT},
+ {"btextro", no_argument, &textro, 1},
+ {"static", no_argument, NULL, OPTION_NOAUTOIMP},
+ {"unix", no_argument, NULL, OPTION_UNIX},
+ {NULL, no_argument, NULL, 0}
+ };
+
+ /* Options supported by the AIX linker which we do not support: -f,
+ -S, -v, -Z, -bbindcmds, -bbinder, -bbindopts, -bcalls, -bcaps,
+ -bcror15, -bdebugopt, -bdbg, -bdelcsect, -bex?, -bfilelist, -bfl,
+ -bgcbypass, -bglink, -binsert, -bi, -bloadmap, -bl, -bmap, -bnl,
+ -bnobind, -bnocomprld, -bnocrld, -bnoerrmsg, -bnoglink,
+ -bnoloadmap, -bnl, -bnoobjreorder, -bnoquiet, -bnoreorder,
+ -bnotypchk, -bnox, -bquiet, -bR, -brename, -breorder, -btypchk,
+ -bx, -bX, -bxref. */
+
+ /* If the current option starts with -b, change the first : to an =.
+ The AIX linker uses : to separate the option from the argument;
+ changing it to = lets us treat it as a getopt option. */
+ indx = optind;
+ if (indx == 0)
+ indx = 1;
+ if (indx < argc && strncmp (argv[indx], "-b", 2) == 0)
+ {
+ char *s;
+
+ for (s = argv[indx]; *s != '\0'; s++)
+ {
+ if (*s == ':')
+ {
+ *s = '=';
+ break;
+ }
+ }
+ }
+
+ opterr = 0;
+ optc = getopt_long_only (argc, argv, "-D:H:KT:z", longopts, &longind);
+ opterr = prevopterr;
+
+ switch (optc)
+ {
+ default:
+ optind = prevoptind;
+ return 0;
+
+ case 0:
+ /* Long option which just sets a flag. */
+ break;
+
+ case 'D':
+ val = strtol (optarg, &end, 0);
+ if (*end != '\0')
+ einfo ("%P: warning: ignoring invalid -D number %s\n", optarg);
+ else if (val != -1)
+ lang_section_start (".data", exp_intop (val));
+ break;
+
+ case 'H':
+ val = strtoul (optarg, &end, 0);
+ if (*end != '\0'
+ || (val & (val - 1)) != 0)
+ einfo ("%P: warning: ignoring invalid -H number %s\n", optarg);
+ else
+ file_align = val;
+ break;
+
+ case 'K':
+ case 'z':
+ /* FIXME: This should use the page size for the target system. */
+ file_align = 4096;
+ break;
+
+ case 'T':
+ /* On AIX this is the same as GNU ld -Ttext. When we see -T
+ number, we assume the AIX option is intended. Otherwise, we
+ assume the usual GNU ld -T option is intended. We can't just
+ ignore the AIX option, because gcc passes it to the linker. */
+ val = strtoul (optarg, &end, 0);
+ if (*end != '\0')
+ {
+ optind = prevoptind;
+ return 0;
+ }
+ lang_section_start (".text", exp_intop (val));
+ break;
+
+ case OPTION_IGNORE:
+ break;
+
+ case OPTION_AUTOIMP:
+ link_info.static_link = false;
+ break;
+
+ case OPTION_ERNOTOK:
+ force_make_executable = false;
+ break;
+
+ case OPTION_EROK:
+ force_make_executable = true;
+ break;
+
+ case OPTION_EXPORT:
+ gldppcmacos_read_file (optarg, false);
+ break;
+
+ case OPTION_IMPORT:
+ {
+ struct filelist *n;
+ struct filelist **flpp;
+
+ n = (struct filelist *) xmalloc (sizeof (struct filelist));
+ n->next = NULL;
+ n->name = optarg;
+ flpp = &import_files;
+ while (*flpp != NULL)
+ flpp = &(*flpp)->next;
+ *flpp = n;
+ }
+ break;
+
+ case OPTION_LOADMAP:
+ config.map_filename = optarg;
+ break;
+
+ case OPTION_MAXDATA:
+ val = strtoul (optarg, &end, 0);
+ if (*end != '\0')
+ einfo ("%P: warning: ignoring invalid -bmaxdata number %s\n",
+ optarg);
+ else
+ maxdata = val;
+ break;
+
+ case OPTION_MAXSTACK:
+ val = strtoul (optarg, &end, 0);
+ if (*end != '\0')
+ einfo ("%P: warning: ignoring invalid -bmaxstack number %s\n",
+ optarg);
+ else
+ maxstack = val;
+ break;
+
+ case OPTION_MODTYPE:
+ if (*optarg == 'S')
+ {
+ link_info.shared = true;
+ ++optarg;
+ }
+ if (*optarg == '\0' || optarg[1] == '\0')
+ einfo ("%P: warning: ignoring invalid module type %s\n", optarg);
+ else
+ modtype = (*optarg << 8) | optarg[1];
+ break;
+
+ case OPTION_NOAUTOIMP:
+ link_info.static_link = true;
+ break;
+
+ case OPTION_NOSTRCMPCT:
+ config.traditional_format = true;
+ break;
+
+ case OPTION_PD:
+ /* This sets the page that the .data section is supposed to
+ start on. The offset within the page should still be the
+ offset within the file, so we need to build an appropriate
+ expression. */
+ val = strtoul (optarg, &end, 0);
+ if (*end != '\0')
+ einfo ("%P: warning: ignoring invalid -pD number %s\n", optarg);
+ else
+ {
+ etree_type *t;
+
+ t = exp_binop ('+',
+ exp_intop (val),
+ exp_binop ('&',
+ exp_nameop (NAME, "."),
+ exp_intop (0xfff)));
+ t = exp_binop ('&',
+ exp_binop ('+', t, exp_intop (7)),
+ exp_intop (~ (bfd_vma) 7));
+ lang_section_start (".data", t);
+ }
+ break;
+
+ case OPTION_PT:
+ /* This set the page that the .text section is supposed to start
+ on. The offset within the page should still be the offset
+ within the file. */
+ val = strtoul (optarg, &end, 0);
+ if (*end != '\0')
+ einfo ("%P: warning: ignoring invalid -pT number %s\n", optarg);
+ else
+ {
+ etree_type *t;
+
+ t = exp_binop ('+',
+ exp_intop (val),
+ exp_nameop (SIZEOF_HEADERS, NULL));
+ t = exp_binop ('&',
+ exp_binop ('+', t, exp_intop (7)),
+ exp_intop (~ (bfd_vma) 7));
+ lang_section_start (".text", t);
+ }
+ break;
+
+ case OPTION_STRCMPCT:
+ config.traditional_format = false;
+ break;
+
+ case OPTION_UNIX:
+ unix_ld = true;
+ break;
+ }
+
+ return 1;
+}
+
+/* This is called after the input files have been opened. */
+
+static void
+gldppcmacos_after_open ()
+{
+ boolean r;
+ struct set_info *p;
+
+ /* Call ldctor_build_sets, after pretending that this is a
+ relocateable link. We do this because AIX requires relocation
+ entries for all references to symbols, even in a final
+ executable. */
+ r = link_info.relocateable;
+ link_info.relocateable = true;
+ ldctor_build_sets ();
+ link_info.relocateable = r;
+
+ /* For each set, record the size, so that the XCOFF backend can
+ output the correct csect length. */
+ for (p = sets; p != (struct set_info *) NULL; p = p->next)
+ {
+ bfd_size_type size;
+
+ /* If the symbol is defined, we may have been invoked from
+ collect, and the sets may already have been built, so we do
+ not do anything. */
+ if (p->h->type == bfd_link_hash_defined
+ || p->h->type == bfd_link_hash_defweak)
+ continue;
+
+ if (p->reloc != BFD_RELOC_CTOR)
+ {
+ /* Handle this if we need to. */
+ abort ();
+ }
+
+ size = (p->count + 2) * 4;
+ if (! bfd_xcoff_link_record_set (output_bfd, &link_info, p->h, size))
+ einfo ("%F%P: bfd_xcoff_link_record_set failed: %E\n");
+ }
+}
+
+/* This is called after the sections have been attached to output
+ sections, but before any sizes or addresses have been set. */
+
+static void
+gldppcmacos_before_allocation ()
+{
+ struct filelist *fl;
+ struct export_symbol_list *el;
+ char *libpath;
+ boolean export_defineds;
+ asection *special_sections[6];
+ int i;
+
+ /* Handle the import and export files, if any. */
+ for (fl = import_files; fl != NULL; fl = fl->next)
+ gldppcmacos_read_file (fl->name, true);
+ for (el = export_symbols; el != NULL; el = el->next)
+ {
+ struct bfd_link_hash_entry *h;
+
+ h = bfd_link_hash_lookup (link_info.hash, el->name, false, false, false);
+ if (h == NULL)
+ einfo ("%P%F: bfd_link_hash_lookup of export symbol failed: %E\n");
+ if (! bfd_xcoff_export_symbol (output_bfd, &link_info, h, el->syscall))
+ einfo ("%P%F: bfd_xcoff_export_symbol failed: %E\n");
+ }
+
+ /* Track down all relocations called for by the linker script (these
+ are typically constructor/destructor entries created by
+ CONSTRUCTORS) and let the backend know it will need to create
+ .loader relocs for them. */
+ lang_for_each_statement (gldppcmacos_find_relocs);
+
+ /* We need to build LIBPATH from the -L arguments. If any -rpath
+ arguments were used, though, we use -rpath instead, as a GNU
+ extension. */
+ if (command_line.rpath != NULL)
+ libpath = command_line.rpath;
+ else if (search_head == NULL)
+ libpath = (char *) "";
+ else
+ {
+ size_t len;
+ search_dirs_type *search;
+
+ len = strlen (search_head->name);
+ libpath = xmalloc (len + 1);
+ strcpy (libpath, search_head->name);
+ for (search = search_head->next; search != NULL; search = search->next)
+ {
+ size_t nlen;
+
+ nlen = strlen (search->name);
+ libpath = xrealloc (libpath, len + nlen + 2);
+ libpath[len] = ':';
+ strcpy (libpath + len + 1, search->name);
+ len += nlen + 1;
+ }
+ }
+
+ /* If we are emulating the Unix linker, we want to export all
+ defined symbols, unless an explicit -bE option was used. */
+ export_defineds = false;
+ if (unix_ld && export_symbols == NULL)
+ export_defineds = true;
+
+ /* Let the XCOFF backend set up the .loader section. */
+ if (! bfd_xcoff_size_dynamic_sections (output_bfd, &link_info, libpath,
+ entry_symbol, file_align,
+ maxstack, maxdata,
+ gc && ! unix_ld ? true : false,
+ modtype,
+ textro ? true : false,
+ export_defineds,
+ special_sections))
+ einfo ("%P%F: failed to set dynamic section sizes: %E\n");
+
+ /* Look through the special sections, and put them in the right
+ place in the link ordering. This is especially magic. */
+ for (i = 0; i < 6; i++)
+ {
+ asection *sec;
+ lang_output_section_statement_type *os;
+ lang_statement_union_type **pls;
+ lang_input_section_type *is;
+ const char *oname;
+ boolean start;
+
+ sec = special_sections[i];
+ if (sec == NULL)
+ continue;
+
+ /* Remove this section from the list of the output section.
+ This assumes we know what the script looks like. */
+ is = NULL;
+ os = lang_output_section_find (sec->output_section->name);
+ if (os == NULL)
+ einfo ("%P%F: can't find output section %s\n",
+ sec->output_section->name);
+ for (pls = &os->children.head; *pls != NULL; pls = &(*pls)->next)
+ {
+ if ((*pls)->header.type == lang_input_section_enum
+ && (*pls)->input_section.section == sec)
+ {
+ is = (lang_input_section_type *) *pls;
+ *pls = (*pls)->next;
+ break;
+ }
+ if ((*pls)->header.type == lang_wild_statement_enum)
+ {
+ lang_statement_union_type **pwls;
+
+ for (pwls = &(*pls)->wild_statement.children.head;
+ *pwls != NULL;
+ pwls = &(*pwls)->next)
+ {
+ if ((*pwls)->header.type == lang_input_section_enum
+ && (*pwls)->input_section.section == sec)
+ {
+ is = (lang_input_section_type *) *pwls;
+ *pwls = (*pwls)->next;
+ break;
+ }
+ }
+ if (is != NULL)
+ break;
+ }
+ }
+
+ if (is == NULL)
+ einfo ("%P%F: can't find %s in output section\n",
+ bfd_get_section_name (sec->owner, sec));
+
+ /* Now figure out where the section should go. */
+ switch (i)
+ {
+ default: /* to avoid warnings */
+ case 0:
+ /* _text */
+ oname = ".text";
+ start = true;
+ break;
+ case 1:
+ /* _etext */
+ oname = ".text";
+ start = false;
+ break;
+ case 2:
+ /* _data */
+ oname = ".data";
+ start = true;
+ break;
+ case 3:
+ /* _edata */
+ oname = ".data";
+ start = false;
+ break;
+ case 4:
+ case 5:
+ /* _end and end */
+ oname = ".bss";
+ start = false;
+ break;
+ }
+
+ os = lang_output_section_find (oname);
+
+ if (start)
+ {
+ is->header.next = os->children.head;
+ os->children.head = (lang_statement_union_type *) is;
+ }
+ else
+ {
+ is->header.next = NULL;
+ lang_statement_append (&os->children,
+ (lang_statement_union_type *) is,
+ &is->header.next);
+ }
+ }
+}
+
+/* Read an import or export file. For an import file, this is called
+ by the before_allocation emulation routine. For an export file,
+ this is called by the parse_args emulation routine. */
+
+static void
+gldppcmacos_read_file (filename, import)
+ const char *filename;
+ boolean import;
+{
+ struct obstack *o;
+ FILE *f;
+ int lineno;
+ int c;
+ boolean keep;
+ const char *imppath;
+ const char *impfile;
+ const char *impmember;
+
+ o = (struct obstack *) xmalloc (sizeof (struct obstack));
+ obstack_specify_allocation (o, 0, 0, xmalloc, gldppcmacos_free);
+
+ f = fopen (filename, "r");
+ if (f == NULL)
+ {
+ bfd_set_error (bfd_error_system_call);
+ einfo ("%F%s: %E\n", filename);
+ }
+
+ keep = false;
+
+ imppath = NULL;
+ impfile = NULL;
+ impmember = NULL;
+
+ lineno = 0;
+ while ((c = getc (f)) != EOF)
+ {
+ char *s;
+ char *symname;
+ boolean syscall;
+ bfd_vma address;
+ struct bfd_link_hash_entry *h;
+
+ if (c != '\n')
+ {
+ obstack_1grow (o, c);
+ continue;
+ }
+
+ obstack_1grow (o, '\0');
+ ++lineno;
+
+ s = (char *) obstack_base (o);
+ while (isspace ((unsigned char) *s))
+ ++s;
+ if (*s == '\0'
+ || *s == '*'
+ || (*s == '#' && s[1] == ' ')
+ || (! import && *s == '#' && s[1] == '!'))
+ {
+ obstack_free (o, obstack_base (o));
+ continue;
+ }
+
+ if (*s == '#' && s[1] == '!')
+ {
+ s += 2;
+ while (isspace ((unsigned char) *s))
+ ++s;
+ if (*s == '\0')
+ {
+ imppath = NULL;
+ impfile = NULL;
+ impmember = NULL;
+ obstack_free (o, obstack_base (o));
+ }
+ else if (*s == '(')
+ einfo ("%F%s%d: #! ([member]) is not supported in import files",
+ filename, lineno);
+ else
+ {
+ char cs;
+ char *file;
+
+ (void) obstack_finish (o);
+ keep = true;
+ imppath = s;
+ impfile = NULL;
+ while (! isspace ((unsigned char) *s) && *s != '(' && *s != '\0')
+ {
+ if (*s == '/')
+ file = s + 1;
+ ++s;
+ }
+ if (file != NULL)
+ {
+ file[-1] = '\0';
+ impfile = file;
+ if (imppath == file - 1)
+ imppath = "/";
+ }
+ else
+ {
+ impfile = imppath;
+ imppath = "";
+ }
+ cs = *s;
+ *s = '\0';
+ while (isspace ((unsigned char) cs))
+ {
+ ++s;
+ cs = *s;
+ }
+ if (cs != '(')
+ {
+ impmember = "";
+ if (cs != '\0')
+ einfo ("%s:%d: warning: syntax error in import file\n",
+ filename, lineno);
+ }
+ else
+ {
+ ++s;
+ impmember = s;
+ while (*s != ')' && *s != '\0')
+ ++s;
+ if (*s == ')')
+ *s = '\0';
+ else
+ einfo ("%s:%d: warning: syntax error in import file\n",
+ filename, lineno);
+ }
+ }
+
+ continue;
+ }
+
+ /* This is a symbol to be imported or exported. */
+ symname = s;
+ syscall = false;
+ address = (bfd_vma) -1;
+
+ while (! isspace ((unsigned char) *s) && *s != '\0')
+ ++s;
+ if (*s != '\0')
+ {
+ char *se;
+
+ *s++ = '\0';
+
+ while (isspace ((unsigned char) *s))
+ ++s;
+
+ se = s;
+ while (! isspace ((unsigned char) *se) && *se != '\0')
+ ++se;
+ if (*se != '\0')
+ {
+ *se++ = '\0';
+ while (isspace ((unsigned char) *se))
+ ++se;
+ if (*se != '\0')
+ einfo ("%s%d: warning: syntax error in import/export file\n",
+ filename, lineno);
+ }
+
+ if (strcasecmp (s, "svc") == 0
+ || strcasecmp (s, "syscall") == 0)
+ syscall = true;
+ else
+ {
+ char *end;
+
+ address = strtoul (s, &end, 0);
+ if (*end != '\0')
+ einfo ("%s:%d: warning: syntax error in import/export file\n",
+ filename, lineno);
+ }
+ }
+
+ if (! import)
+ {
+ struct export_symbol_list *n;
+
+ ldlang_add_undef (symname);
+ n = ((struct export_symbol_list *)
+ xmalloc (sizeof (struct export_symbol_list)));
+ n->next = export_symbols;
+ n->name = buystring (symname);
+ n->syscall = syscall;
+ export_symbols = n;
+ }
+ else
+ {
+ h = bfd_link_hash_lookup (link_info.hash, symname, false, false,
+ true);
+ if (h == NULL || h->type == bfd_link_hash_new)
+ {
+ /* We can just ignore attempts to import an unreferenced
+ symbol. */
+ }
+ else
+ {
+ if (! bfd_xcoff_import_symbol (output_bfd, &link_info, h,
+ address, imppath, impfile,
+ impmember))
+ einfo ("%X%s:%d: failed to import symbol %s: %E\n",
+ filename, lineno, symname);
+ }
+ }
+
+ obstack_free (o, obstack_base (o));
+ }
+
+ if (obstack_object_size (o) > 0)
+ {
+ einfo ("%s:%d: warning: ignoring unterminated last line\n",
+ filename, lineno);
+ obstack_free (o, obstack_base (o));
+ }
+
+ if (! keep)
+ {
+ obstack_free (o, NULL);
+ free (o);
+ }
+}
+
+/* This routine saves us from worrying about declaring free. */
+
+static void
+gldppcmacos_free (p)
+ PTR p;
+{
+ free (p);
+}
+
+/* This is called by the before_allocation routine via
+ lang_for_each_statement. It looks for relocations and assignments
+ to symbols. */
+
+static void
+gldppcmacos_find_relocs (s)
+ lang_statement_union_type *s;
+{
+ if (s->header.type == lang_reloc_statement_enum)
+ {
+ lang_reloc_statement_type *rs;
+
+ rs = &s->reloc_statement;
+ if (rs->name == NULL)
+ einfo ("%F%P: only relocations against symbols are permitted\n");
+ if (! bfd_xcoff_link_count_reloc (output_bfd, &link_info, rs->name))
+ einfo ("%F%P: bfd_xcoff_link_count_reloc failed: %E\n");
+ }
+
+ if (s->header.type == lang_assignment_statement_enum)
+ gldppcmacos_find_exp_assignment (s->assignment_statement.exp);
+}
+
+/* Look through an expression for an assignment statement. */
+
+static void
+gldppcmacos_find_exp_assignment (exp)
+ etree_type *exp;
+{
+ struct bfd_link_hash_entry *h;
+
+ switch (exp->type.node_class)
+ {
+ case etree_provide:
+ h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst,
+ false, false, false);
+ if (h == NULL)
+ break;
+ /* Fall through. */
+ case etree_assign:
+ if (strcmp (exp->assign.dst, ".") != 0)
+ {
+ if (! bfd_xcoff_record_link_assignment (output_bfd, &link_info,
+ exp->assign.dst))
+ einfo ("%P%F: failed to record assignment to %s: %E\n",
+ exp->assign.dst);
+ }
+ gldppcmacos_find_exp_assignment (exp->assign.src);
+ break;
+
+ case etree_binary:
+ gldppcmacos_find_exp_assignment (exp->binary.lhs);
+ gldppcmacos_find_exp_assignment (exp->binary.rhs);
+ break;
+
+ case etree_trinary:
+ gldppcmacos_find_exp_assignment (exp->trinary.cond);
+ gldppcmacos_find_exp_assignment (exp->trinary.lhs);
+ gldppcmacos_find_exp_assignment (exp->trinary.rhs);
+ break;
+
+ case etree_unary:
+ gldppcmacos_find_exp_assignment (exp->unary.child);
+ break;
+
+ default:
+ break;
+ }
+}
+
+static char *
+gldppcmacos_get_script(isfile)
+ int *isfile;
+{
+ *isfile = 0;
+
+ if (link_info.relocateable == true && config.build_constructors == true)
+ return
+"OUTPUT_FORMAT(\"xcoff-powermac\")\n\
+OUTPUT_ARCH(powerpc)\n\
+ENTRY(__start)\n\
+SECTIONS\n\
+{\n\
+ .pad 0 : { *(.pad) }\n\
+ .text 0 : {\n\
+ *(.text)\n\
+ *(.pr)\n\
+ *(.ro)\n\
+ *(.db)\n\
+ *(.gl)\n\
+ *(.xo)\n\
+ *(.ti)\n\
+ *(.tb)\n\
+ }\n\
+ .data 0 : {\n\
+ *(.data)\n\
+ *(.rw)\n\
+ *(.sv)\n\
+ *(.ua)\n\
+ . = ALIGN(4);\n\
+ CONSTRUCTORS\n\
+ *(.ds)\n\
+ *(.tc0)\n\
+ *(.tc)\n\
+ *(.td)\n\
+ }\n\
+ .bss : {\n\
+ *(.bss)\n\
+ *(.bs)\n\
+ *(.uc)\n\
+ *(COMMON)\n\
+ }\n\
+ .loader 0 : {\n\
+ *(.loader)\n\
+ }\n\
+ .debug 0 : {\n\
+ *(.debug)\n\
+ }\n\
+}\n\n"
+ ; else if (link_info.relocateable == true) return
+"OUTPUT_FORMAT(\"xcoff-powermac\")\n\
+OUTPUT_ARCH(powerpc)\n\
+ENTRY(__start)\n\
+SECTIONS\n\
+{\n\
+ .pad 0 : { *(.pad) }\n\
+ .text 0 : {\n\
+ *(.text)\n\
+ *(.pr)\n\
+ *(.ro)\n\
+ *(.db)\n\
+ *(.gl)\n\
+ *(.xo)\n\
+ *(.ti)\n\
+ *(.tb)\n\
+ }\n\
+ .data 0 : {\n\
+ *(.data)\n\
+ *(.rw)\n\
+ *(.sv)\n\
+ *(.ua)\n\
+ . = ALIGN(4);\n\
+ *(.ds)\n\
+ *(.tc0)\n\
+ *(.tc)\n\
+ *(.td)\n\
+ }\n\
+ .bss : {\n\
+ *(.bss)\n\
+ *(.bs)\n\
+ *(.uc)\n\
+ *(COMMON)\n\
+ }\n\
+ .loader 0 : {\n\
+ *(.loader)\n\
+ }\n\
+ .debug 0 : {\n\
+ *(.debug)\n\
+ }\n\
+}\n\n"
+ ; else if (!config.text_read_only) return
+"OUTPUT_FORMAT(\"xcoff-powermac\")\n\
+OUTPUT_ARCH(powerpc)\n\
+ SEARCH_DIR(/usr/local/powerpc-apple-macos/lib);\n\
+ENTRY(__start)\n\
+SECTIONS\n\
+{\n\
+ .pad 0 : { *(.pad) }\n\
+ .text : {\n\
+ PROVIDE (_text = .);\n\
+ *(.text)\n\
+ *(.pr)\n\
+ *(.ro)\n\
+ *(.db)\n\
+ *(.gl)\n\
+ *(.xo)\n\
+ *(.ti)\n\
+ *(.tb)\n\
+ PROVIDE (_etext = .);\n\
+ }\n\
+ .data 0 : {\n\
+ PROVIDE (_data = .);\n\
+ *(.data)\n\
+ *(.rw)\n\
+ *(.sv)\n\
+ *(.ua)\n\
+ . = ALIGN(4);\n\
+ CONSTRUCTORS\n\
+ *(.ds)\n\
+ *(.tc0)\n\
+ *(.tc)\n\
+ *(.td)\n\
+ PROVIDE (_edata = .);\n\
+ }\n\
+ .bss : {\n\
+ *(.bss)\n\
+ *(.bs)\n\
+ *(.uc)\n\
+ *(COMMON)\n\
+ PROVIDE (_end = .);\n\
+ PROVIDE (end = .);\n\
+ }\n\
+ .loader 0 : {\n\
+ *(.loader)\n\
+ }\n\
+ .debug 0 : {\n\
+ *(.debug)\n\
+ }\n\
+}\n\n"
+ ; else if (!config.magic_demand_paged) return
+"OUTPUT_FORMAT(\"xcoff-powermac\")\n\
+OUTPUT_ARCH(powerpc)\n\
+ SEARCH_DIR(/usr/local/powerpc-apple-macos/lib);\n\
+ENTRY(__start)\n\
+SECTIONS\n\
+{\n\
+ .pad 0 : { *(.pad) }\n\
+ .text : {\n\
+ PROVIDE (_text = .);\n\
+ *(.text)\n\
+ *(.pr)\n\
+ *(.ro)\n\
+ *(.db)\n\
+ *(.gl)\n\
+ *(.xo)\n\
+ *(.ti)\n\
+ *(.tb)\n\
+ PROVIDE (_etext = .);\n\
+ }\n\
+ .data 0 : {\n\
+ PROVIDE (_data = .);\n\
+ *(.data)\n\
+ *(.rw)\n\
+ *(.sv)\n\
+ *(.ua)\n\
+ . = ALIGN(4);\n\
+ CONSTRUCTORS\n\
+ *(.ds)\n\
+ *(.tc0)\n\
+ *(.tc)\n\
+ *(.td)\n\
+ PROVIDE (_edata = .);\n\
+ }\n\
+ .bss : {\n\
+ *(.bss)\n\
+ *(.bs)\n\
+ *(.uc)\n\
+ *(COMMON)\n\
+ PROVIDE (_end = .);\n\
+ PROVIDE (end = .);\n\
+ }\n\
+ .loader 0 : {\n\
+ *(.loader)\n\
+ }\n\
+ .debug 0 : {\n\
+ *(.debug)\n\
+ }\n\
+}\n\n"
+ ; else return
+"OUTPUT_FORMAT(\"xcoff-powermac\")\n\
+OUTPUT_ARCH(powerpc)\n\
+ SEARCH_DIR(/usr/local/powerpc-apple-macos/lib);\n\
+ENTRY(__start)\n\
+SECTIONS\n\
+{\n\
+ .pad 0 : { *(.pad) }\n\
+ .text : {\n\
+ PROVIDE (_text = .);\n\
+ *(.text)\n\
+ *(.pr)\n\
+ *(.ro)\n\
+ *(.db)\n\
+ *(.gl)\n\
+ *(.xo)\n\
+ *(.ti)\n\
+ *(.tb)\n\
+ PROVIDE (_etext = .);\n\
+ }\n\
+ .data 0 : {\n\
+ PROVIDE (_data = .);\n\
+ *(.data)\n\
+ *(.rw)\n\
+ *(.sv)\n\
+ *(.ua)\n\
+ . = ALIGN(4);\n\
+ CONSTRUCTORS\n\
+ *(.ds)\n\
+ *(.tc0)\n\
+ *(.tc)\n\
+ *(.td)\n\
+ PROVIDE (_edata = .);\n\
+ }\n\
+ .bss : {\n\
+ *(.bss)\n\
+ *(.bs)\n\
+ *(.uc)\n\
+ *(COMMON)\n\
+ PROVIDE (_end = .);\n\
+ PROVIDE (end = .);\n\
+ }\n\
+ .loader 0 : {\n\
+ *(.loader)\n\
+ }\n\
+ .debug 0 : {\n\
+ *(.debug)\n\
+ }\n\
+}\n\n"
+; }
+
+struct ld_emulation_xfer_struct ld_ppcmacos_emulation =
+{
+ gldppcmacos_before_parse,
+ syslib_default,
+ hll_default,
+ after_parse_default,
+ gldppcmacos_after_open,
+ after_allocation_default,
+ set_output_arch_default,
+ ldemul_default_target,
+ gldppcmacos_before_allocation,
+ gldppcmacos_get_script,
+ "ppcmacos",
+ "xcoff-powermac",
+ 0, /* finish */
+ 0, /* create_output_section_statements */
+ 0, /* open_dynamic_archive */
+ 0, /* place_orphan */
+ 0, /* set_symbols */
+ gldppcmacos_parse_args,
+};
+++ /dev/null
-/* This file is is generated by a shell script. DO NOT EDIT! */
-
-/* AIX emulation code for ppcmacos
- Copyright (C) 1991, 1993, 1995 Free Software Foundation, Inc.
- Written by Steve Chamberlain <sac@cygnus.com>
- AIX support by Ian Lance Taylor <ian@cygnus.com>
-
-This file is part of GLD, the Gnu Linker.
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#define TARGET_IS_ppcmacos
-
-#include "bfd.h"
-#include "sysdep.h"
-#include "libiberty.h"
-#include "getopt.h"
-#include "bfdlink.h"
-
-#include <ctype.h>
-
-#include "ld.h"
-#include "ldmain.h"
-#include "ldemul.h"
-#include "ldfile.h"
-#include "ldmisc.h"
-#include "ldexp.h"
-#include "ldlang.h"
-#include "ldctor.h"
-#include "ldgram.h"
-
-static void gldppcmacos_before_parse PARAMS ((void));
-static int gldppcmacos_parse_args PARAMS ((int, char **));
-static void gldppcmacos_after_open PARAMS ((void));
-static void gldppcmacos_before_allocation PARAMS ((void));
-static void gldppcmacos_read_file PARAMS ((const char *, boolean));
-static void gldppcmacos_free PARAMS ((PTR));
-static void gldppcmacos_find_relocs
- PARAMS ((lang_statement_union_type *));
-static void gldppcmacos_find_exp_assignment PARAMS ((etree_type *));
-static char *gldppcmacos_get_script PARAMS ((int *isfile));
-
-/* The file alignment required for each section. */
-static unsigned long file_align;
-
-/* The maximum size the stack is permitted to grow. This is stored in
- the a.out header. */
-static unsigned long maxstack;
-
-/* The maximum data size. This is stored in the a.out header. */
-static unsigned long maxdata;
-
-/* Whether to perform garbage collection. */
-static int gc = 1;
-
-/* The module type to use. */
-static unsigned short modtype = ('1' << 8) | 'L';
-
-/* Whether the .text section must be read-only (i.e., no relocs
- permitted). */
-static int textro;
-
-/* Structure used to hold import file list. */
-
-struct filelist
-{
- struct filelist *next;
- const char *name;
-};
-
-/* List of import files. */
-static struct filelist *import_files;
-
-/* List of export symbols read from the export files. */
-
-struct export_symbol_list
-{
- struct export_symbol_list *next;
- const char *name;
- boolean syscall;
-};
-
-static struct export_symbol_list *export_symbols;
-
-/* This routine is called before anything else is done. */
-
-static void
-gldppcmacos_before_parse()
-{
-#ifndef TARGET_ /* I.e., if not generic. */
- ldfile_output_architecture = bfd_arch_powerpc;
-#endif /* not TARGET_ */
-}
-
-/* Handle AIX specific options. */
-
-static int
-gldppcmacos_parse_args (argc, argv)
- int argc;
- char **argv;
-{
- int prevoptind = optind;
- int prevopterr = opterr;
- int indx;
- int longind;
- int optc;
- long val;
- char *end;
-
-#define OPTION_IGNORE (300)
-#define OPTION_AUTOIMP (OPTION_IGNORE + 1)
-#define OPTION_ERNOTOK (OPTION_AUTOIMP + 1)
-#define OPTION_EROK (OPTION_ERNOTOK + 1)
-#define OPTION_EXPORT (OPTION_EROK + 1)
-#define OPTION_IMPORT (OPTION_EXPORT + 1)
-#define OPTION_LOADMAP (OPTION_IMPORT + 1)
-#define OPTION_MAXDATA (OPTION_LOADMAP + 1)
-#define OPTION_MAXSTACK (OPTION_MAXDATA + 1)
-#define OPTION_MODTYPE (OPTION_MAXSTACK + 1)
-#define OPTION_NOAUTOIMP (OPTION_MODTYPE + 1)
-#define OPTION_NOSTRCMPCT (OPTION_NOAUTOIMP + 1)
-#define OPTION_PD (OPTION_NOSTRCMPCT + 1)
-#define OPTION_PT (OPTION_PD + 1)
-#define OPTION_STRCMPCT (OPTION_PT + 1)
-
- static struct option longopts[] = {
- {"basis", no_argument, NULL, OPTION_IGNORE},
- {"bautoimp", no_argument, NULL, OPTION_AUTOIMP},
- {"bcomprld", no_argument, NULL, OPTION_IGNORE},
- {"bcrld", no_argument, NULL, OPTION_IGNORE},
- {"bcror31", no_argument, NULL, OPTION_IGNORE},
- {"bD", required_argument, NULL, OPTION_MAXDATA},
- {"bE", required_argument, NULL, OPTION_EXPORT},
- {"bernotok", no_argument, NULL, OPTION_ERNOTOK},
- {"berok", no_argument, NULL, OPTION_EROK},
- {"berrmsg", no_argument, NULL, OPTION_IGNORE},
- {"bexport", required_argument, NULL, OPTION_EXPORT},
- {"bf", no_argument, NULL, OPTION_ERNOTOK},
- {"bgc", no_argument, &gc, 1},
- {"bh", required_argument, NULL, OPTION_IGNORE},
- {"bhalt", required_argument, NULL, OPTION_IGNORE},
- {"bI", required_argument, NULL, OPTION_IMPORT},
- {"bimport", required_argument, NULL, OPTION_IMPORT},
- {"bl", required_argument, NULL, OPTION_LOADMAP},
- {"bloadmap", required_argument, NULL, OPTION_LOADMAP},
- {"bmaxdata", required_argument, NULL, OPTION_MAXDATA},
- {"bmaxstack", required_argument, NULL, OPTION_MAXSTACK},
- {"bM", required_argument, NULL, OPTION_MODTYPE},
- {"bmodtype", required_argument, NULL, OPTION_MODTYPE},
- {"bnoautoimp", no_argument, NULL, OPTION_NOAUTOIMP},
- {"bnodelcsect", no_argument, NULL, OPTION_IGNORE},
- {"bnogc", no_argument, &gc, 0},
- {"bnso", no_argument, NULL, OPTION_NOAUTOIMP},
- {"bnostrcmpct", no_argument, NULL, OPTION_NOSTRCMPCT},
- {"bnotextro", no_argument, &textro, 0},
- {"bnro", no_argument, &textro, 0},
- {"bpD", required_argument, NULL, OPTION_PD},
- {"bpT", required_argument, NULL, OPTION_PT},
- {"bro", no_argument, &textro, 1},
- {"bS", required_argument, NULL, OPTION_MAXSTACK},
- {"bso", no_argument, NULL, OPTION_AUTOIMP},
- {"bstrcmpct", no_argument, NULL, OPTION_STRCMPCT},
- {"btextro", no_argument, &textro, 1},
- {"static", no_argument, NULL, OPTION_NOAUTOIMP},
- {NULL, no_argument, NULL, 0}
- };
-
- /* Options supported by the AIX linker which we do not support: -f,
- -S, -v, -Z, -bbindcmds, -bbinder, -bbindopts, -bcalls, -bcaps,
- -bcror15, -bdebugopt, -bdbg, -bdelcsect, -bex?, -bfilelist, -bfl,
- -bgcbypass, -bglink, -binsert, -bi, -bloadmap, -bl, -bmap, -bnl,
- -bnobind, -bnocomprld, -bnocrld, -bnoerrmsg, -bnoglink,
- -bnoloadmap, -bnl, -bnoobjreorder, -bnoquiet, -bnoreorder,
- -bnotypchk, -bnox, -bquiet, -bR, -brename, -breorder, -btypchk,
- -bx, -bX, -bxref. */
-
- /* If the current option starts with -b, change the first : to an =.
- The AIX linker uses : to separate the option from the argument;
- changing it to = lets us treat it as a getopt option. */
- indx = optind;
- if (indx == 0)
- indx = 1;
- if (indx < argc && strncmp (argv[indx], "-b", 2) == 0)
- {
- char *s;
-
- for (s = argv[indx]; *s != '\0'; s++)
- {
- if (*s == ':')
- {
- *s = '=';
- break;
- }
- }
- }
-
- opterr = 0;
- optc = getopt_long_only (argc, argv, "-D:H:KT:z", longopts, &longind);
- opterr = prevopterr;
-
- switch (optc)
- {
- default:
- optind = prevoptind;
- return 0;
-
- case 0:
- /* Long option which just sets a flag. */
- break;
-
- case 'D':
- val = strtol (optarg, &end, 0);
- if (*end != '\0')
- einfo ("%P: warning: ignoring invalid -D number %s\n", optarg);
- else if (val != -1)
- lang_section_start (".data", exp_intop (val));
- break;
-
- case 'H':
- val = strtoul (optarg, &end, 0);
- if (*end != '\0'
- || (val & (val - 1)) != 0)
- einfo ("%P: warning: ignoring invalid -H number %s\n", optarg);
- else
- file_align = val;
- break;
-
- case 'K':
- case 'z':
- /* FIXME: This should use the page size for the target system. */
- file_align = 4096;
- break;
-
- case 'T':
- /* On AIX this is the same as GNU ld -Ttext. When we see -T
- number, we assume the AIX option is intended. Otherwise, we
- assume the usual GNU ld -T option is intended. We can't just
- ignore the AIX option, because gcc passes it to the linker. */
- val = strtoul (optarg, &end, 0);
- if (*end != '\0')
- {
- optind = prevoptind;
- return 0;
- }
- lang_section_start (".text", exp_intop (val));
- break;
-
- case OPTION_IGNORE:
- break;
-
- case OPTION_AUTOIMP:
- link_info.static_link = false;
- break;
-
- case OPTION_ERNOTOK:
- force_make_executable = false;
- break;
-
- case OPTION_EROK:
- force_make_executable = true;
- break;
-
- case OPTION_EXPORT:
- gldppcmacos_read_file (optarg, false);
- break;
-
- case OPTION_IMPORT:
- {
- struct filelist *n;
- struct filelist **flpp;
-
- n = (struct filelist *) xmalloc (sizeof (struct filelist));
- n->next = NULL;
- n->name = optarg;
- flpp = &import_files;
- while (*flpp != NULL)
- flpp = &(*flpp)->next;
- *flpp = n;
- }
- break;
-
- case OPTION_LOADMAP:
- config.map_filename = optarg;
- break;
-
- case OPTION_MAXDATA:
- val = strtoul (optarg, &end, 0);
- if (*end != '\0')
- einfo ("%P: warning: ignoring invalid -bmaxdata number %s\n",
- optarg);
- else
- maxdata = val;
- break;
-
- case OPTION_MAXSTACK:
- val = strtoul (optarg, &end, 0);
- if (*end != '\0')
- einfo ("%P: warning: ignoring invalid -bmaxstack number %s\n",
- optarg);
- else
- maxstack = val;
- break;
-
- case OPTION_MODTYPE:
- if (*optarg == 'S')
- {
- link_info.shared = true;
- ++optarg;
- }
- if (*optarg == '\0' || optarg[1] == '\0')
- einfo ("%P: warning: ignoring invalid module type %s\n", optarg);
- else
- modtype = (*optarg << 8) | optarg[1];
- break;
-
- case OPTION_NOAUTOIMP:
- link_info.static_link = true;
- break;
-
- case OPTION_NOSTRCMPCT:
- config.traditional_format = true;
- break;
-
- case OPTION_PD:
- /* This sets the page that the .data section is supposed to
- start on. The offset within the page should still be the
- offset within the file, so we need to build an appropriate
- expression. */
- val = strtoul (optarg, &end, 0);
- if (*end != '\0')
- einfo ("%P: warning: ignoring invalid -pD number %s\n", optarg);
- else
- {
- etree_type *t;
-
- t = exp_binop ('+',
- exp_intop (val),
- exp_binop ('&',
- exp_nameop (NAME, "."),
- exp_intop (0xfff)));
- t = exp_binop ('&',
- exp_binop ('+', t, exp_intop (7)),
- exp_intop (~ (bfd_vma) 7));
- lang_section_start (".data", t);
- }
- break;
-
- case OPTION_PT:
- /* This set the page that the .text section is supposed to start
- on. The offset within the page should still be the offset
- within the file. */
- val = strtoul (optarg, &end, 0);
- if (*end != '\0')
- einfo ("%P: warning: ignoring invalid -pT number %s\n", optarg);
- else
- {
- etree_type *t;
-
- t = exp_binop ('+',
- exp_intop (val),
- exp_nameop (SIZEOF_HEADERS, NULL));
- t = exp_binop ('&',
- exp_binop ('+', t, exp_intop (7)),
- exp_intop (~ (bfd_vma) 7));
- lang_section_start (".text", t);
- }
- break;
-
- case OPTION_STRCMPCT:
- config.traditional_format = false;
- break;
- }
-
- return 1;
-}
-
-/* This is called after the input files have been opened. */
-
-static void
-gldppcmacos_after_open ()
-{
- boolean r;
- struct set_info *p;
-
- /* Call ldctor_build_sets, after pretending that this is a
- relocateable link. We do this because AIX requires relocation
- entries for all references to symbols, even in a final
- executable. */
- r = link_info.relocateable;
- link_info.relocateable = true;
- ldctor_build_sets ();
- link_info.relocateable = r;
-
- /* For each set, record the size, so that the XCOFF backend can
- output the correct csect length. */
- for (p = sets; p != (struct set_info *) NULL; p = p->next)
- {
- bfd_size_type size;
-
- /* If the symbol is defined, we may have been invoked from
- collect, and the sets may already have been built, so we do
- not do anything. */
- if (p->h->type == bfd_link_hash_defined
- || p->h->type == bfd_link_hash_defweak)
- continue;
-
- if (p->reloc != BFD_RELOC_CTOR)
- {
- /* Handle this if we need to. */
- abort ();
- }
-
- size = (p->count + 2) * 4;
- if (! bfd_xcoff_link_record_set (output_bfd, &link_info, p->h, size))
- einfo ("%F%P: bfd_xcoff_link_record_set failed: %E\n");
- }
-}
-
-/* This is called after the sections have been attached to output
- sections, but before any sizes or addresses have been set. */
-
-static void
-gldppcmacos_before_allocation ()
-{
- struct filelist *fl;
- struct export_symbol_list *el;
- char *libpath;
- asection *special_sections[6];
- int i;
-
- /* Handle the import and export files, if any. */
- for (fl = import_files; fl != NULL; fl = fl->next)
- gldppcmacos_read_file (fl->name, true);
- for (el = export_symbols; el != NULL; el = el->next)
- {
- struct bfd_link_hash_entry *h;
-
- h = bfd_link_hash_lookup (link_info.hash, el->name, false, false, false);
- if (h == NULL)
- einfo ("%P%F: bfd_link_hash_lookup of export symbol failed: %E\n");
- if (! bfd_xcoff_export_symbol (output_bfd, &link_info, h, el->syscall))
- einfo ("%P%F: bfd_xcoff_export_symbol failed: %E\n");
- }
-
- /* Track down all relocations called for by the linker script (these
- are typically constructor/destructor entries created by
- CONSTRUCTORS) and let the backend know it will need to create
- .loader relocs for them. */
- lang_for_each_statement (gldppcmacos_find_relocs);
-
- /* We need to build LIBPATH from the -L arguments. If any -rpath
- arguments were used, though, we use -rpath instead, as a GNU
- extension. */
- if (command_line.rpath != NULL)
- libpath = command_line.rpath;
- else if (search_head == NULL)
- libpath = (char *) "";
- else
- {
- size_t len;
- search_dirs_type *search;
-
- len = strlen (search_head->name);
- libpath = xmalloc (len + 1);
- strcpy (libpath, search_head->name);
- for (search = search_head->next; search != NULL; search = search->next)
- {
- size_t nlen;
-
- nlen = strlen (search->name);
- libpath = xrealloc (libpath, len + nlen + 2);
- libpath[len] = ':';
- strcpy (libpath + len + 1, search->name);
- len += nlen + 1;
- }
- }
-
- /* Let the XCOFF backend set up the .loader section. */
- if (! bfd_xcoff_size_dynamic_sections (output_bfd, &link_info, libpath,
- entry_symbol, file_align,
- maxstack, maxdata,
- gc ? true : false,
- modtype,
- textro ? true : false,
- special_sections))
- einfo ("%P%F: failed to set dynamic section sizes: %E\n");
-
- /* Look through the special sections, and put them in the right
- place in the link ordering. This is especially magic. */
- for (i = 0; i < 6; i++)
- {
- asection *sec;
- lang_output_section_statement_type *os;
- lang_statement_union_type **pls;
- lang_input_section_type *is;
- const char *oname;
- boolean start;
-
- sec = special_sections[i];
- if (sec == NULL)
- continue;
-
- /* Remove this section from the list of the output section.
- This assumes we know what the script looks like. */
- is = NULL;
- os = lang_output_section_find (sec->output_section->name);
- if (os == NULL)
- einfo ("%P%F: can't find output section %s\n",
- sec->output_section->name);
- for (pls = &os->children.head; *pls != NULL; pls = &(*pls)->next)
- {
- if ((*pls)->header.type == lang_input_section_enum
- && (*pls)->input_section.section == sec)
- {
- is = (lang_input_section_type *) *pls;
- *pls = (*pls)->next;
- break;
- }
- if ((*pls)->header.type == lang_wild_statement_enum)
- {
- lang_statement_union_type **pwls;
-
- for (pwls = &(*pls)->wild_statement.children.head;
- *pwls != NULL;
- pwls = &(*pwls)->next)
- {
- if ((*pwls)->header.type == lang_input_section_enum
- && (*pwls)->input_section.section == sec)
- {
- is = (lang_input_section_type *) *pwls;
- *pwls = (*pwls)->next;
- break;
- }
- }
- if (is != NULL)
- break;
- }
- }
-
- if (is == NULL)
- einfo ("%P%F: can't find %s in output section\n",
- bfd_get_section_name (sec->owner, sec));
-
- /* Now figure out where the section should go. */
- switch (i)
- {
- default: /* to avoid warnings */
- case 0:
- /* _text */
- oname = ".text";
- start = true;
- break;
- case 1:
- /* _etext */
- oname = ".text";
- start = false;
- break;
- case 2:
- /* _data */
- oname = ".data";
- start = true;
- break;
- case 3:
- /* _edata */
- oname = ".data";
- start = false;
- break;
- case 4:
- case 5:
- /* _end and end */
- oname = ".bss";
- start = false;
- break;
- }
-
- os = lang_output_section_find (oname);
-
- if (start)
- {
- is->header.next = os->children.head;
- os->children.head = (lang_statement_union_type *) is;
- }
- else
- {
- is->header.next = NULL;
- lang_statement_append (&os->children,
- (lang_statement_union_type *) is,
- &is->header.next);
- }
- }
-}
-
-/* Read an import or export file. For an import file, this is called
- by the before_allocation emulation routine. For an export file,
- this is called by the parse_args emulation routine. */
-
-static void
-gldppcmacos_read_file (filename, import)
- const char *filename;
- boolean import;
-{
- struct obstack *o;
- FILE *f;
- int lineno;
- int c;
- boolean keep;
- const char *imppath;
- const char *impfile;
- const char *impmember;
-
- o = (struct obstack *) xmalloc (sizeof (struct obstack));
- obstack_specify_allocation (o, 0, 0, xmalloc, gldppcmacos_free);
-
- f = fopen (filename, "r");
- if (f == NULL)
- {
- bfd_set_error (bfd_error_system_call);
- einfo ("%F%s: %E\n", filename);
- }
-
- keep = false;
-
- imppath = NULL;
- impfile = NULL;
- impmember = NULL;
-
- lineno = 0;
- while ((c = getc (f)) != EOF)
- {
- char *s;
- char *symname;
- boolean syscall;
- bfd_vma address;
- struct bfd_link_hash_entry *h;
-
- if (c != '\n')
- {
- obstack_1grow (o, c);
- continue;
- }
-
- obstack_1grow (o, '\0');
- ++lineno;
-
- s = (char *) obstack_base (o);
- while (isspace ((unsigned char) *s))
- ++s;
- if (*s == '\0'
- || *s == '*'
- || (*s == '#' && s[1] == ' ')
- || (! import && *s == '#' && s[1] == '!'))
- {
- obstack_free (o, obstack_base (o));
- continue;
- }
-
- if (*s == '#' && s[1] == '!')
- {
- s += 2;
- while (isspace ((unsigned char) *s))
- ++s;
- if (*s == '\0')
- {
- imppath = NULL;
- impfile = NULL;
- impmember = NULL;
- obstack_free (o, obstack_base (o));
- }
- else if (*s == '(')
- einfo ("%F%s%d: #! ([member]) is not supported in import files",
- filename, lineno);
- else
- {
- char cs;
- char *file;
-
- (void) obstack_finish (o);
- keep = true;
- imppath = s;
- impfile = NULL;
- while (! isspace ((unsigned char) *s) && *s != '(' && *s != '\0')
- {
- if (*s == '/')
- file = s + 1;
- ++s;
- }
- if (file != NULL)
- {
- file[-1] = '\0';
- impfile = file;
- if (imppath == file - 1)
- imppath = "/";
- }
- else
- {
- impfile = imppath;
- imppath = "";
- }
- cs = *s;
- *s = '\0';
- while (isspace ((unsigned char) cs))
- {
- ++s;
- cs = *s;
- }
- if (cs != '(')
- {
- impmember = "";
- if (cs != '\0')
- einfo ("%s:%d: warning: syntax error in import file\n",
- filename, lineno);
- }
- else
- {
- ++s;
- impmember = s;
- while (*s != ')' && *s != '\0')
- ++s;
- if (*s == ')')
- *s = '\0';
- else
- einfo ("%s:%d: warning: syntax error in import file\n",
- filename, lineno);
- }
- }
-
- continue;
- }
-
- /* This is a symbol to be imported or exported. */
- symname = s;
- syscall = false;
- address = (bfd_vma) -1;
-
- while (! isspace ((unsigned char) *s) && *s != '\0')
- ++s;
- if (*s != '\0')
- {
- char *se;
-
- *s++ = '\0';
-
- while (isspace ((unsigned char) *s))
- ++s;
-
- se = s;
- while (! isspace ((unsigned char) *se) && *se != '\0')
- ++se;
- if (*se != '\0')
- {
- *se++ = '\0';
- while (isspace ((unsigned char) *se))
- ++se;
- if (*se != '\0')
- einfo ("%s%d: warning: syntax error in import/export file\n",
- filename, lineno);
- }
-
- if (strcasecmp (s, "svc") == 0
- || strcasecmp (s, "syscall") == 0)
- syscall = true;
- else
- {
- char *end;
-
- address = strtoul (s, &end, 0);
- if (*end != '\0')
- einfo ("%s:%d: warning: syntax error in import/export file\n",
- filename, lineno);
- }
- }
-
- if (! import)
- {
- struct export_symbol_list *n;
-
- ldlang_add_undef (symname);
- n = ((struct export_symbol_list *)
- xmalloc (sizeof (struct export_symbol_list)));
- n->next = export_symbols;
- n->name = buystring (symname);
- n->syscall = syscall;
- export_symbols = n;
- }
- else
- {
- h = bfd_link_hash_lookup (link_info.hash, symname, false, false,
- true);
- if (h == NULL || h->type == bfd_link_hash_new)
- {
- /* We can just ignore attempts to import an unreferenced
- symbol. */
- }
- else
- {
- if (! bfd_xcoff_import_symbol (output_bfd, &link_info, h,
- address, imppath, impfile,
- impmember))
- einfo ("%X%s:%d: failed to import symbol %s: %E\n",
- filename, lineno, symname);
- }
- }
-
- obstack_free (o, obstack_base (o));
- }
-
- if (obstack_object_size (o) > 0)
- {
- einfo ("%s:%d: warning: ignoring unterminated last line\n",
- filename, lineno);
- obstack_free (o, obstack_base (o));
- }
-
- if (! keep)
- {
- obstack_free (o, NULL);
- free (o);
- }
-}
-
-/* This routine saves us from worrying about declaring free. */
-
-static void
-gldppcmacos_free (p)
- PTR p;
-{
- free (p);
-}
-
-/* This is called by the before_allocation routine via
- lang_for_each_statement. It looks for relocations and assignments
- to symbols. */
-
-static void
-gldppcmacos_find_relocs (s)
- lang_statement_union_type *s;
-{
- if (s->header.type == lang_reloc_statement_enum)
- {
- lang_reloc_statement_type *rs;
-
- rs = &s->reloc_statement;
- if (rs->name == NULL)
- einfo ("%F%P: only relocations against symbols are permitted\n");
- if (! bfd_xcoff_link_count_reloc (output_bfd, &link_info, rs->name))
- einfo ("%F%P: bfd_xcoff_link_count_reloc failed: %E\n");
- }
-
- if (s->header.type == lang_assignment_statement_enum)
- gldppcmacos_find_exp_assignment (s->assignment_statement.exp);
-}
-
-/* Look through an expression for an assignment statement. */
-
-static void
-gldppcmacos_find_exp_assignment (exp)
- etree_type *exp;
-{
- struct bfd_link_hash_entry *h;
-
- switch (exp->type.node_class)
- {
- case etree_provide:
- h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst,
- false, false, false);
- if (h == NULL)
- break;
- /* Fall through. */
- case etree_assign:
- if (strcmp (exp->assign.dst, ".") != 0)
- {
- if (! bfd_xcoff_record_link_assignment (output_bfd, &link_info,
- exp->assign.dst))
- einfo ("%P%F: failed to record assignment to %s: %E\n",
- exp->assign.dst);
- }
- gldppcmacos_find_exp_assignment (exp->assign.src);
- break;
-
- case etree_binary:
- gldppcmacos_find_exp_assignment (exp->binary.lhs);
- gldppcmacos_find_exp_assignment (exp->binary.rhs);
- break;
-
- case etree_trinary:
- gldppcmacos_find_exp_assignment (exp->trinary.cond);
- gldppcmacos_find_exp_assignment (exp->trinary.lhs);
- gldppcmacos_find_exp_assignment (exp->trinary.rhs);
- break;
-
- case etree_unary:
- gldppcmacos_find_exp_assignment (exp->unary.child);
- break;
-
- default:
- break;
- }
-}
-
-static char *
-gldppcmacos_get_script(isfile)
- int *isfile;
-{
- *isfile = 0;
-
- if (link_info.relocateable == true && config.build_constructors == true)
- return
-"OUTPUT_FORMAT(\"xcoff-powermac\")\n\
-OUTPUT_ARCH(powerpc)\n\
-ENTRY(__start)\n\
-SECTIONS\n\
-{\n\
- .pad 0 : { *(.pad) }\n\
- .text 0 : {\n\
- *(.text)\n\
- *(.pr)\n\
- *(.ro)\n\
- *(.db)\n\
- *(.gl)\n\
- *(.xo)\n\
- *(.ti)\n\
- *(.tb)\n\
- }\n\
- .data 0 : {\n\
- *(.data)\n\
- *(.rw)\n\
- *(.sv)\n\
- *(.ua)\n\
- . = ALIGN(4);\n\
- CONSTRUCTORS\n\
- *(.ds)\n\
- *(.tc0)\n\
- *(.tc)\n\
- *(.td)\n\
- }\n\
- .bss : {\n\
- *(.bss)\n\
- *(.bs)\n\
- *(.uc)\n\
- *(COMMON)\n\
- }\n\
- .loader 0 : {\n\
- *(.loader)\n\
- }\n\
- .debug 0 : {\n\
- *(.debug)\n\
- }\n\
-}\n\n"
- ; else if (link_info.relocateable == true) return
-"OUTPUT_FORMAT(\"xcoff-powermac\")\n\
-OUTPUT_ARCH(powerpc)\n\
-ENTRY(__start)\n\
-SECTIONS\n\
-{\n\
- .pad 0 : { *(.pad) }\n\
- .text 0 : {\n\
- *(.text)\n\
- *(.pr)\n\
- *(.ro)\n\
- *(.db)\n\
- *(.gl)\n\
- *(.xo)\n\
- *(.ti)\n\
- *(.tb)\n\
- }\n\
- .data 0 : {\n\
- *(.data)\n\
- *(.rw)\n\
- *(.sv)\n\
- *(.ua)\n\
- . = ALIGN(4);\n\
- *(.ds)\n\
- *(.tc0)\n\
- *(.tc)\n\
- *(.td)\n\
- }\n\
- .bss : {\n\
- *(.bss)\n\
- *(.bs)\n\
- *(.uc)\n\
- *(COMMON)\n\
- }\n\
- .loader 0 : {\n\
- *(.loader)\n\
- }\n\
- .debug 0 : {\n\
- *(.debug)\n\
- }\n\
-}\n\n"
- ; else if (!config.text_read_only) return
-"OUTPUT_FORMAT(\"xcoff-powermac\")\n\
-OUTPUT_ARCH(powerpc)\n\
- SEARCH_DIR(/usr/local/powerpc-apple-macos/lib);\n\
-ENTRY(__start)\n\
-SECTIONS\n\
-{\n\
- .pad 0 : { *(.pad) }\n\
- .text : {\n\
- PROVIDE (_text = .);\n\
- *(.text)\n\
- *(.pr)\n\
- *(.ro)\n\
- *(.db)\n\
- *(.gl)\n\
- *(.xo)\n\
- *(.ti)\n\
- *(.tb)\n\
- PROVIDE (_etext = .);\n\
- }\n\
- .data 0 : {\n\
- PROVIDE (_data = .);\n\
- *(.data)\n\
- *(.rw)\n\
- *(.sv)\n\
- *(.ua)\n\
- . = ALIGN(4);\n\
- CONSTRUCTORS\n\
- *(.ds)\n\
- *(.tc0)\n\
- *(.tc)\n\
- *(.td)\n\
- PROVIDE (_edata = .);\n\
- }\n\
- .bss : {\n\
- *(.bss)\n\
- *(.bs)\n\
- *(.uc)\n\
- *(COMMON)\n\
- PROVIDE (_end = .);\n\
- PROVIDE (end = .);\n\
- }\n\
- .loader 0 : {\n\
- *(.loader)\n\
- }\n\
- .debug 0 : {\n\
- *(.debug)\n\
- }\n\
-}\n\n"
- ; else if (!config.magic_demand_paged) return
-"OUTPUT_FORMAT(\"xcoff-powermac\")\n\
-OUTPUT_ARCH(powerpc)\n\
- SEARCH_DIR(/usr/local/powerpc-apple-macos/lib);\n\
-ENTRY(__start)\n\
-SECTIONS\n\
-{\n\
- .pad 0 : { *(.pad) }\n\
- .text : {\n\
- PROVIDE (_text = .);\n\
- *(.text)\n\
- *(.pr)\n\
- *(.ro)\n\
- *(.db)\n\
- *(.gl)\n\
- *(.xo)\n\
- *(.ti)\n\
- *(.tb)\n\
- PROVIDE (_etext = .);\n\
- }\n\
- .data 0 : {\n\
- PROVIDE (_data = .);\n\
- *(.data)\n\
- *(.rw)\n\
- *(.sv)\n\
- *(.ua)\n\
- . = ALIGN(4);\n\
- CONSTRUCTORS\n\
- *(.ds)\n\
- *(.tc0)\n\
- *(.tc)\n\
- *(.td)\n\
- PROVIDE (_edata = .);\n\
- }\n\
- .bss : {\n\
- *(.bss)\n\
- *(.bs)\n\
- *(.uc)\n\
- *(COMMON)\n\
- PROVIDE (_end = .);\n\
- PROVIDE (end = .);\n\
- }\n\
- .loader 0 : {\n\
- *(.loader)\n\
- }\n\
- .debug 0 : {\n\
- *(.debug)\n\
- }\n\
-}\n\n"
- ; else return
-"OUTPUT_FORMAT(\"xcoff-powermac\")\n\
-OUTPUT_ARCH(powerpc)\n\
- SEARCH_DIR(/usr/local/powerpc-apple-macos/lib);\n\
-ENTRY(__start)\n\
-SECTIONS\n\
-{\n\
- .pad 0 : { *(.pad) }\n\
- .text : {\n\
- PROVIDE (_text = .);\n\
- *(.text)\n\
- *(.pr)\n\
- *(.ro)\n\
- *(.db)\n\
- *(.gl)\n\
- *(.xo)\n\
- *(.ti)\n\
- *(.tb)\n\
- PROVIDE (_etext = .);\n\
- }\n\
- .data 0 : {\n\
- PROVIDE (_data = .);\n\
- *(.data)\n\
- *(.rw)\n\
- *(.sv)\n\
- *(.ua)\n\
- . = ALIGN(4);\n\
- CONSTRUCTORS\n\
- *(.ds)\n\
- *(.tc0)\n\
- *(.tc)\n\
- *(.td)\n\
- PROVIDE (_edata = .);\n\
- }\n\
- .bss : {\n\
- *(.bss)\n\
- *(.bs)\n\
- *(.uc)\n\
- *(COMMON)\n\
- PROVIDE (_end = .);\n\
- PROVIDE (end = .);\n\
- }\n\
- .loader 0 : {\n\
- *(.loader)\n\
- }\n\
- .debug 0 : {\n\
- *(.debug)\n\
- }\n\
-}\n\n"
-; }
-
-struct ld_emulation_xfer_struct ld_ppcmacos_emulation =
-{
- gldppcmacos_before_parse,
- syslib_default,
- hll_default,
- after_parse_default,
- gldppcmacos_after_open,
- after_allocation_default,
- set_output_arch_default,
- ldemul_default_target,
- gldppcmacos_before_allocation,
- gldppcmacos_get_script,
- "ppcmacos",
- "xcoff-powermac",
- 0, /* finish */
- 0, /* create_output_section_statements */
- 0, /* open_dynamic_archive */
- 0, /* place_orphan */
- 0, /* set_symbols */
- gldppcmacos_parse_args,
-};
projects / deliverable / binutils-gdb.git / commitdiff
