binutils-gdb/ld/mpw-eppcmacos.c
Stan Shebs 49af8a4ec7 * mpw-config.in: Add PowerMac target support, generate config.h.
* mac-ld.r: New file, Mac resources.
	* mpw-make.sed: New file, edits Makefile.in into MPW syntax.
	* mpw-make.in: Remove.
	* mpw-eppcmacos.c: Prebuilt version of PowerMac linking script.
1995-10-27 05:28:17 +00:00

842 lines
19 KiB
C

/* 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"
static void gldppcmacos_before_parse PARAMS ((void));
static int gldppcmacos_parse_args PARAMS ((int, char **));
static void gldppcmacos_before_allocation PARAMS ((void));
static void gldppcmacos_read_file PARAMS ((const char *, boolean));
static void gldppcmacos_free PARAMS ((PTR));
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 or export file list. */
struct filelist
{
struct filelist *next;
const char *name;
};
/* List of import files. */
struct filelist *import_files;
/* List of export files. */
struct filelist *export_files;
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 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_MAXDATA (OPTION_IMPORT + 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_STRCMPCT (OPTION_NOSTRCMPCT + 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},
{"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},
{"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},
{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 first 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. */
if (optind < argc && strncmp (argv[optind], "-b", 2) == 0)
{
char *s;
for (s = argv[optind]; *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:
case OPTION_IMPORT:
{
struct filelist *n;
struct filelist **flpp;
n = (struct filelist *) xmalloc (sizeof (struct filelist));
n->next = NULL;
n->name = optarg;
if (optc == OPTION_EXPORT)
flpp = &export_files;
else
flpp = &import_files;
while (*flpp != NULL)
flpp = &(*flpp)->next;
*flpp = n;
}
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_STRCMPCT:
config.traditional_format = false;
break;
}
return 1;
}
/* 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;
char *libpath;
/* Handle the import and export files, if any. */
for (fl = import_files; fl != NULL; fl = fl->next)
gldppcmacos_read_file (fl->name, true);
for (fl = export_files; fl != NULL; fl = fl->next)
gldppcmacos_read_file (fl->name, false);
/* 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))
einfo ("%P%F: failed to set dynamic section sizes: %E\n");
}
/* Read an import or export file. */
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);
}
}
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. */
if (! import)
einfo ("%X%s:%d: attempt to export undefined symbol %s\n",
filename, lineno, symname);
}
else if (import)
{
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);
}
else
{
if (! bfd_xcoff_export_symbol (output_bfd, &link_info, h, syscall))
einfo ("%X%s:%d: failed to export 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);
}
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\
*(.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\
*(.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\
*(.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\
*(.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\
*(.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,
after_open_default,
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,
};