old-cross-binutils/ld/emultempl/elf32.em

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# This shell script emits a C file. -*- C -*-
# It does some substitutions.
# This file is now misnamed, because it supports both 32 bit and 64 bit
# ELF emulations.
test -z "${ELFSIZE}" && ELFSIZE=32
if [ -z "$MACHINE" ]; then
OUTPUT_ARCH=${ARCH}
else
OUTPUT_ARCH=${ARCH}:${MACHINE}
fi
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cat >e${EMULATION_NAME}.c <<EOF
/* This file is is generated by a shell script. DO NOT EDIT! */
/* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME}
Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
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2002, 2003 Free Software Foundation, Inc.
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Written by Steve Chamberlain <sac@cygnus.com>
ELF support by Ian Lance Taylor <ian@cygnus.com>
This file is part of GLD, the Gnu Linker.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define TARGET_IS_${EMULATION_NAME}
#include "bfd.h"
#include "sysdep.h"
#include "libiberty.h"
#include "safe-ctype.h"
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#include "bfdlink.h"
#include "ld.h"
#include "ldmain.h"
#include "ldmisc.h"
#include "ldexp.h"
#include "ldlang.h"
#include "ldfile.h"
#include "ldemul.h"
#include <ldgram.h>
#include "elf/common.h"
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static void gld${EMULATION_NAME}_before_parse
PARAMS ((void));
static void gld${EMULATION_NAME}_vercheck
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PARAMS ((lang_input_statement_type *));
static void gld${EMULATION_NAME}_stat_needed
PARAMS ((lang_input_statement_type *));
static bfd_boolean gld${EMULATION_NAME}_try_needed
PARAMS ((const char *, int));
static bfd_boolean gld${EMULATION_NAME}_search_needed
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PARAMS ((const char *, const char *, int));
static void gld${EMULATION_NAME}_check_needed
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PARAMS ((lang_input_statement_type *));
static void gld${EMULATION_NAME}_after_open
PARAMS ((void));
static void gld${EMULATION_NAME}_find_exp_assignment
PARAMS ((etree_type *));
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static void gld${EMULATION_NAME}_find_statement_assignment
PARAMS ((lang_statement_union_type *));
static void gld${EMULATION_NAME}_before_allocation
PARAMS ((void));
static bfd_boolean gld${EMULATION_NAME}_open_dynamic_archive
PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *));
static lang_output_section_statement_type *output_rel_find
PARAMS ((asection *));
static asection *output_prev_sec_find
PARAMS ((lang_output_section_statement_type *));
static bfd_boolean gld${EMULATION_NAME}_place_orphan
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PARAMS ((lang_input_statement_type *, asection *));
2001-11-11 Daniel Jacobowitz <drow@mvista.com> * bfd-in.h (bfd_elf32_discard_info): Add prototype. (bfd_elf64_discard_info): Likewise. * bfd-in2.h: Regenerate. * elf-bfd.h (struct elf_reloc_cookie): New. (struct elf_backend_data): Add elf_backend_discard_info, elf_backend_ignore_discarded_relocs, and elf_backend_write_section. (_bfd_elf32_reloc_symbol_deleted_p): Add prototype. (_bfd_elf64_reloc_symbol_deleted_p): Likewise. * elf32-mips.c (_bfd_elf32_mips_discard_info): New. (_bfd_elf32_mips_ignore_discarded_relocs): New. (_bfd_elf32_mips_write_section): New. (elf_backend_discard_info): Define. (elf_backend_ignore_discarded_relocs): Define. (elf_backend_write_section): Define. * elfcode.h (elf_bfd_discard_info): Define. (elf_reloc_symbol_deleted_p): Define. * elflink.h (elf_link_input_bfd): Check elf_section_ignore_discarded_relocs. Call bed->elf_backend_write_section if available. (elf_reloc_symbol_deleted_p): New. (elf_bfd_discard_info): New. (elf_section_ignore_discarded_relocs): New. * elfxx-target.h (elf_backend_discard_info): Define. (elf_backend_ignore_discarded_relocs): Define. (elf_backend_write_section): Define. (elfNN_bed): Add elf_backend_discard_info, elf_backend_ignore_discarded_relocs, and elf_backend_write_section. * libbfd-in.h (_bfd_discard_section_stabs): Add prototype. * libbfd.h: Regenerate. * stabs.c (_bfd_discard_section_stabs): New. 2001-11-11 Daniel Jacobowitz <drow@mvista.com> * emultempl/elf32.em (gld${EMULATION_NAME}_finish): New. (struct ld_emulation_xfer_struct): Use it.
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static void gld${EMULATION_NAME}_finish
PARAMS ((void));
static char *gld${EMULATION_NAME}_get_script
PARAMS ((int *isfile));
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EOF
# Import any needed special functions and/or overrides.
#
if test -n "$EXTRA_EM_FILE" ; then
. ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
fi
# Functions in this file can be overridden by setting the LDEMUL_* shell
# variables. If the name of the overriding function is the same as is
# defined in this file, then don't output this file's version.
# If a different overriding name is given then output the standard function
# as presumably it is called from the overriding function.
#
if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then
cat >>e${EMULATION_NAME}.c <<EOF
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static void
gld${EMULATION_NAME}_before_parse ()
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{
const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}");
if (arch)
{
ldfile_output_architecture = arch->arch;
ldfile_output_machine = arch->mach;
ldfile_output_machine_name = arch->printable_name;
}
else
ldfile_output_architecture = bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`;
config.dynamic_link = ${DYNAMIC_LINK-TRUE};
config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
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}
EOF
fi
cat >>e${EMULATION_NAME}.c <<EOF
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/* These variables are required to pass information back and forth
between after_open and check_needed and stat_needed and vercheck. */
static struct bfd_link_needed_list *global_needed;
static struct stat global_stat;
static bfd_boolean global_found;
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static struct bfd_link_needed_list *global_vercheck_needed;
static bfd_boolean global_vercheck_failed;
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/* On Linux, it's possible to have different versions of the same
shared library linked against different versions of libc. The
dynamic linker somehow tags which libc version to use in
/etc/ld.so.cache, and, based on the libc that it sees in the
executable, chooses which version of the shared library to use.
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We try to do a similar check here by checking whether this shared
library needs any other shared libraries which may conflict with
libraries we have already included in the link. If it does, we
skip it, and try to find another shared library farther on down the
link path.
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This is called via lang_for_each_input_file.
GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object
which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find
a conflicting version. */
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static void
gld${EMULATION_NAME}_vercheck (s)
lang_input_statement_type *s;
{
const char *soname;
struct bfd_link_needed_list *l;
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if (global_vercheck_failed)
return;
if (s->the_bfd == NULL
|| (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0)
return;
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soname = bfd_elf_get_dt_soname (s->the_bfd);
if (soname == NULL)
soname = lbasename (bfd_get_filename (s->the_bfd));
for (l = global_vercheck_needed; l != NULL; l = l->next)
{
const char *suffix;
if (strcmp (soname, l->name) == 0)
{
/* Probably can't happen, but it's an easy check. */
continue;
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}
if (strchr (l->name, '/') != NULL)
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continue;
suffix = strstr (l->name, ".so.");
if (suffix == NULL)
continue;
suffix += sizeof ".so." - 1;
if (strncmp (soname, l->name, suffix - l->name) == 0)
{
/* Here we know that S is a dynamic object FOO.SO.VER1, and
the object we are considering needs a dynamic object
FOO.SO.VER2, and VER1 and VER2 are different. This
appears to be a version mismatch, so we tell the caller
to try a different version of this library. */
global_vercheck_failed = TRUE;
return;
}
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}
}
/* See if an input file matches a DT_NEEDED entry by running stat on
the file. */
static void
gld${EMULATION_NAME}_stat_needed (s)
lang_input_statement_type *s;
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{
struct stat st;
const char *suffix;
const char *soname;
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if (global_found)
return;
if (s->the_bfd == NULL)
return;
if (bfd_stat (s->the_bfd, &st) != 0)
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{
einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd);
return;
}
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if (st.st_dev == global_stat.st_dev
&& st.st_ino == global_stat.st_ino)
{
global_found = TRUE;
return;
}
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/* We issue a warning if it looks like we are including two
different versions of the same shared library. For example,
there may be a problem if -lc picks up libc.so.6 but some other
shared library has a DT_NEEDED entry of libc.so.5. This is a
heuristic test, and it will only work if the name looks like
NAME.so.VERSION. FIXME: Depending on file names is error-prone.
If we really want to issue warnings about mixing version numbers
of shared libraries, we need to find a better way. */
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if (strchr (global_needed->name, '/') != NULL)
return;
suffix = strstr (global_needed->name, ".so.");
if (suffix == NULL)
return;
suffix += sizeof ".so." - 1;
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soname = bfd_elf_get_dt_soname (s->the_bfd);
if (soname == NULL)
soname = lbasename (s->filename);
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if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0)
einfo ("%P: warning: %s, needed by %B, may conflict with %s\n",
global_needed->name, global_needed->by, soname);
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}
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/* This function is called for each possible name for a dynamic object
named by a DT_NEEDED entry. The FORCE parameter indicates whether
to skip the check for a conflicting version. */
static bfd_boolean
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gld${EMULATION_NAME}_try_needed (name, force)
const char *name;
int force;
{
bfd *abfd;
const char *soname;
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abfd = bfd_openr (name, bfd_get_target (output_bfd));
if (abfd == NULL)
return FALSE;
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if (! bfd_check_format (abfd, bfd_object))
{
bfd_close (abfd);
return FALSE;
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}
if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0)
{
bfd_close (abfd);
return FALSE;
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}
/* For DT_NEEDED, they have to match. */
if (abfd->xvec != output_bfd->xvec)
{
bfd_close (abfd);
return FALSE;
}
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/* Check whether this object would include any conflicting library
versions. If FORCE is set, then we skip this check; we use this
the second time around, if we couldn't find any compatible
instance of the shared library. */
if (! force)
{
struct bfd_link_needed_list *needed;
if (! bfd_elf_get_bfd_needed_list (abfd, &needed))
einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd);
if (needed != NULL)
{
global_vercheck_needed = needed;
global_vercheck_failed = FALSE;
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lang_for_each_input_file (gld${EMULATION_NAME}_vercheck);
if (global_vercheck_failed)
{
bfd_close (abfd);
/* Return FALSE to force the caller to move on to try
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another file on the search path. */
return FALSE;
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}
/* But wait! It gets much worse. On Linux, if a shared
library does not use libc at all, we are supposed to skip
it the first time around in case we encounter a shared
library later on with the same name which does use the
version of libc that we want. This is much too horrible
to use on any system other than Linux. */
EOF
case ${target} in
*-*-linux-gnu*)
cat >>e${EMULATION_NAME}.c <<EOF
{
struct bfd_link_needed_list *l;
for (l = needed; l != NULL; l = l->next)
if (strncmp (l->name, "libc.so", 7) == 0)
break;
if (l == NULL)
{
bfd_close (abfd);
return FALSE;
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}
}
EOF
;;
esac
cat >>e${EMULATION_NAME}.c <<EOF
}
}
/* We've found a dynamic object matching the DT_NEEDED entry. */
/* We have already checked that there is no other input file of the
same name. We must now check again that we are not including the
same file twice. We need to do this because on many systems
libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will
reference libc.so.1. If we have already included libc.so, we
don't want to include libc.so.1 if they are the same file, and we
can only check that using stat. */
if (bfd_stat (abfd, &global_stat) != 0)
einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd);
/* First strip off everything before the last '/'. */
soname = lbasename (abfd->filename);
if (trace_file_tries)
info_msg (_("found %s at %s\n"), soname, name);
global_found = FALSE;
lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed);
if (global_found)
{
/* Return TRUE to indicate that we found the file, even though
we aren't going to do anything with it. */
return TRUE;
}
/* Tell the ELF backend that we don't want the output file to have a
DT_NEEDED entry for this file. */
bfd_elf_set_dt_needed_name (abfd, "");
/* Tell the ELF backend that the output file needs a DT_NEEDED
entry for this file if it is used to resolve the reference in
a regular object. */
bfd_elf_set_dt_needed_soname (abfd, soname);
/* Add this file into the symbol table. */
if (! bfd_link_add_symbols (abfd, &link_info))
einfo ("%F%B: could not read symbols: %E\n", abfd);
return TRUE;
}
/* Search for a needed file in a path. */
static bfd_boolean
gld${EMULATION_NAME}_search_needed (path, name, force)
const char *path;
const char *name;
int force;
{
const char *s;
size_t len;
if (name[0] == '/')
return gld${EMULATION_NAME}_try_needed (name, force);
if (path == NULL || *path == '\0')
return FALSE;
len = strlen (name);
while (1)
{
char *filename, *sset;
s = strchr (path, ':');
if (s == NULL)
s = path + strlen (path);
filename = (char *) xmalloc (s - path + len + 2);
if (s == path)
sset = filename;
else
{
memcpy (filename, path, s - path);
filename[s - path] = '/';
sset = filename + (s - path) + 1;
}
strcpy (sset, name);
if (gld${EMULATION_NAME}_try_needed (filename, force))
return TRUE;
free (filename);
if (*s == '\0')
break;
path = s + 1;
}
return FALSE;
}
EOF
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
if [ "x${USE_LIBPATH}" = xyes ] ; then
cat >>e${EMULATION_NAME}.c <<EOF
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
/* Add the sysroot to every entry in a colon-separated path. */
static char *
gld${EMULATION_NAME}_add_sysroot (path)
const char *path;
{
int len, colons, i;
char *ret, *p;
len = strlen (path);
colons = 0;
i = 0;
while (path[i])
if (path[i++] == ':')
colons++;
if (path[i])
colons++;
len = len + (colons + 1) * strlen (ld_sysroot);
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
ret = xmalloc (len + 1);
strcpy (ret, ld_sysroot);
p = ret + strlen (ret);
i = 0;
while (path[i])
if (path[i] == ':')
{
*p++ = path[i++];
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
strcpy (p, ld_sysroot);
p = p + strlen (p);
}
else
*p++ = path[i++];
*p = 0;
return ret;
}
EOF
case ${target} in
*-*-linux-gnu*)
cat >>e${EMULATION_NAME}.c <<EOF
/* For a native linker, check the file /etc/ld.so.conf for directories
in which we may find shared libraries. /etc/ld.so.conf is really
only meaningful on Linux. */
static bfd_boolean gld${EMULATION_NAME}_check_ld_so_conf
PARAMS ((const char *, int));
static bfd_boolean
gld${EMULATION_NAME}_check_ld_so_conf (name, force)
const char *name;
int force;
{
static bfd_boolean initialized;
static char *ld_so_conf;
if (! initialized)
{
FILE *f;
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
char *tmppath;
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
tmppath = concat (ld_sysroot, "/etc/ld.so.conf", NULL);
f = fopen (tmppath, FOPEN_RT);
free (tmppath);
if (f != NULL)
{
char *b;
size_t len, alloc;
int c;
len = 0;
alloc = 100;
b = (char *) xmalloc (alloc);
while ((c = getc (f)) != EOF)
{
if (len + 1 >= alloc)
{
alloc *= 2;
b = (char *) xrealloc (b, alloc);
}
if (c != ':'
&& c != ' '
&& c != '\t'
&& c != '\n'
&& c != ',')
{
b[len] = c;
++len;
}
else
{
if (len > 0 && b[len - 1] != ':')
{
b[len] = ':';
++len;
}
}
}
if (len > 0 && b[len - 1] == ':')
--len;
1999-05-03 07:29:11 +00:00
if (len > 0)
b[len] = '\0';
else
{
free (b);
b = NULL;
}
1999-05-03 07:29:11 +00:00
fclose (f);
1999-05-03 07:29:11 +00:00
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
if (b)
{
char *d = gld${EMULATION_NAME}_add_sysroot (b);
free (b);
b = d;
}
ld_so_conf = b;
}
initialized = TRUE;
}
if (ld_so_conf == NULL)
return FALSE;
1999-05-03 07:29:11 +00:00
return gld${EMULATION_NAME}_search_needed (ld_so_conf, name, force);
1999-05-03 07:29:11 +00:00
}
EOF
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
# Linux
;;
esac
fi
cat >>e${EMULATION_NAME}.c <<EOF
1999-05-03 07:29:11 +00:00
/* See if an input file matches a DT_NEEDED entry by name. */
static void
gld${EMULATION_NAME}_check_needed (s)
lang_input_statement_type *s;
{
if (global_found)
return;
2001-01-14 04:36:35 +00:00
if (s->filename != NULL)
1999-05-03 07:29:11 +00:00
{
2001-01-14 04:36:35 +00:00
const char *f;
if (strcmp (s->filename, global_needed->name) == 0)
{
global_found = TRUE;
2001-01-14 04:36:35 +00:00
return;
}
if (s->search_dirs_flag)
{
f = strrchr (s->filename, '/');
if (f != NULL
&& strcmp (f + 1, global_needed->name) == 0)
{
global_found = TRUE;
2001-01-14 04:36:35 +00:00
return;
}
}
1999-05-03 07:29:11 +00:00
}
if (s->the_bfd != NULL)
{
const char *soname;
soname = bfd_elf_get_dt_soname (s->the_bfd);
if (soname != NULL
&& strcmp (soname, global_needed->name) == 0)
{
global_found = TRUE;
1999-05-03 07:29:11 +00:00
return;
}
}
}
EOF
if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then
cat >>e${EMULATION_NAME}.c <<EOF
/* This is called after all the input files have been opened. */
1999-05-03 07:29:11 +00:00
static void
gld${EMULATION_NAME}_after_open ()
1999-05-03 07:29:11 +00:00
{
struct bfd_link_needed_list *needed, *l;
1999-05-03 07:29:11 +00:00
/* We only need to worry about this when doing a final link. */
if (link_info.relocateable || link_info.shared)
1999-05-03 07:29:11 +00:00
return;
/* Get the list of files which appear in DT_NEEDED entries in
dynamic objects included in the link (often there will be none).
For each such file, we want to track down the corresponding
library, and include the symbol table in the link. This is what
the runtime dynamic linker will do. Tracking the files down here
permits one dynamic object to include another without requiring
special action by the person doing the link. Note that the
needed list can actually grow while we are stepping through this
loop. */
needed = bfd_elf_get_needed_list (output_bfd, &link_info);
for (l = needed; l != NULL; l = l->next)
1999-05-03 07:29:11 +00:00
{
struct bfd_link_needed_list *ll;
int force;
1999-05-03 07:29:11 +00:00
/* If we've already seen this file, skip it. */
for (ll = needed; ll != l; ll = ll->next)
if (strcmp (ll->name, l->name) == 0)
break;
if (ll != l)
continue;
1999-05-03 07:29:11 +00:00
/* See if this file was included in the link explicitly. */
global_needed = l;
global_found = FALSE;
lang_for_each_input_file (gld${EMULATION_NAME}_check_needed);
if (global_found)
continue;
1999-05-03 07:29:11 +00:00
if (trace_file_tries)
info_msg (_("%s needed by %B\n"), l->name, l->by);
/* We need to find this file and include the symbol table. We
want to search for the file in the same way that the dynamic
linker will search. That means that we want to use
rpath_link, rpath, then the environment variable
LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH
entries (native only), then the linker script LIB_SEARCH_DIRS.
We do not search using the -L arguments.
1999-05-03 07:29:11 +00:00
We search twice. The first time, we skip objects which may
introduce version mismatches. The second time, we force
their use. See gld${EMULATION_NAME}_vercheck comment. */
for (force = 0; force < 2; force++)
{
size_t len;
search_dirs_type *search;
EOF
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
if [ "x${USE_LIBPATH}" = xyes ] ; then
cat >>e${EMULATION_NAME}.c <<EOF
const char *lib_path;
struct bfd_link_needed_list *rp;
int found;
EOF
fi
cat >>e${EMULATION_NAME}.c <<EOF
1999-05-03 07:29:11 +00:00
if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link,
l->name, force))
break;
EOF
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
if [ "x${USE_LIBPATH}" = xyes ] ; then
cat >>e${EMULATION_NAME}.c <<EOF
if (gld${EMULATION_NAME}_search_needed (command_line.rpath,
l->name, force))
break;
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
EOF
fi
if [ "x${NATIVE}" = xyes ] ; then
cat >>e${EMULATION_NAME}.c <<EOF
if (command_line.rpath_link == NULL
&& command_line.rpath == NULL)
{
lib_path = (const char *) getenv ("LD_RUN_PATH");
if (gld${EMULATION_NAME}_search_needed (lib_path, l->name,
force))
break;
}
lib_path = (const char *) getenv ("LD_LIBRARY_PATH");
if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, force))
break;
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
EOF
fi
if [ "x${USE_LIBPATH}" = xyes ] ; then
cat >>e${EMULATION_NAME}.c <<EOF
found = 0;
rp = bfd_elf_get_runpath_list (output_bfd, &link_info);
for (; !found && rp != NULL; rp = rp->next)
{
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name);
found = (rp->by == l->by
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
&& gld${EMULATION_NAME}_search_needed (tmpname,
l->name,
force));
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
free (tmpname);
}
if (found)
break;
EOF
fi
cat >>e${EMULATION_NAME}.c <<EOF
len = strlen (l->name);
for (search = search_head; search != NULL; search = search->next)
{
char *filename;
1999-05-03 07:29:11 +00:00
if (search->cmdline)
continue;
filename = (char *) xmalloc (strlen (search->name) + len + 2);
sprintf (filename, "%s/%s", search->name, l->name);
if (gld${EMULATION_NAME}_try_needed (filename, force))
break;
free (filename);
}
if (search != NULL)
break;
EOF
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
if [ "x${USE_LIBPATH}" = xyes ] ; then
case ${target} in
*-*-linux-gnu*)
cat >>e${EMULATION_NAME}.c <<EOF
if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force))
break;
EOF
* Makefile.am (eelf32iq10.c): Fix tab/whitespace mixup. * Makefile.am (ldmain.o): Add @TARGET_SYSTEM_ROOT_DEFINE@. (GENSCRIPTS): Add @use_sysroot@. * Makefile.in: Regenerated. * configure.host: Move setting of NATIVE_LIB_DIRS to... * configure.tgt: ... here. Use ${target} instead of ${host} for NATIVE_LIB_DIRS. * configure.in: Add --with-sysroot. * configure: Regenerated. * genscripts.sh: Accept use_sysroot option. Set new variables NATIVE and USE_LIBPATH. Prepend "=" to directory names if $use_sysroot. Don't search $tool_lib if $use_sysroot. * ldfile.c (ldfile_add_library_path): Handle leading '='. * ldmain.c (TARGET_SYSTEM_ROOT): Define if not defined. (ld_sysroot): New variable. (main): Initialize ld_sysroot. * ldmain.h (ld_sysroot): New extern. * emultempl/elf32.em: Use NATIVE and USE_LIBPATH instead of searching $EMULATION_LIBPATH. (gld${EMULATION_NAME}_add_sysroot): New function. (gld${EMULATION_NAME}_check_ld_so_conf): Use it. Honor ld_sysroot. (gld${EMULATION_NAME}_after_open): Likewise. Only search environment variables if $NATIVE. * ld.texinfo (Options): Mention "=" prefix in the description of -L. * NEWS: Mention --with-sysroot. * emulparams/elf32bmipn32-defs.sh: Set NATIVE and LIBPATH_SUFFIX instead of setting LIB_PATH. * emulparams/elf32ppc.sh: Likewise. * emulparams/elf64_s390.sh: Likewise. * emulparams/elf64_sparc.sh: Likewise. * emulparams/elf64ppc.sh: Likewise. * emulparams/elf_x86_64.sh: Likewise. * emulparams/elf64_aix.sh: Add "=" prefixes to LIB_PATH. * emulparams/elf64hppa.sh: Add "=" prefixes to LIB_PATH.
2003-01-06 16:14:01 +00:00
# Linux
;;
esac
fi
cat >>e${EMULATION_NAME}.c <<EOF
}
1999-05-03 07:29:11 +00:00
if (force < 2)
continue;
1999-05-03 07:29:11 +00:00
einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n",
l->name, l->by);
}
}
1999-05-03 07:29:11 +00:00
EOF
fi
cat >>e${EMULATION_NAME}.c <<EOF
1999-05-03 07:29:11 +00:00
/* Look through an expression for an assignment statement. */
1999-05-03 07:29:11 +00:00
static void
gld${EMULATION_NAME}_find_exp_assignment (exp)
etree_type *exp;
{
struct bfd_link_hash_entry *h;
switch (exp->type.node_class)
1999-05-03 07:29:11 +00:00
{
case etree_provide:
h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst,
FALSE, FALSE, FALSE);
if (h == NULL)
break;
1999-05-03 07:29:11 +00:00
/* We call record_link_assignment even if the symbol is defined.
This is because if it is defined by a dynamic object, we
actually want to use the value defined by the linker script,
not the value from the dynamic object (because we are setting
symbols like etext). If the symbol is defined by a regular
object, then, as it happens, calling record_link_assignment
will do no harm. */
/* Fall through. */
case etree_assign:
if (strcmp (exp->assign.dst, ".") != 0)
1999-05-03 07:29:11 +00:00
{
if (! (bfd_elf${ELFSIZE}_record_link_assignment
(output_bfd, &link_info, exp->assign.dst,
exp->type.node_class == etree_provide ? TRUE : FALSE)))
einfo ("%P%F: failed to record assignment to %s: %E\n",
exp->assign.dst);
1999-05-03 07:29:11 +00:00
}
gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src);
break;
1999-05-03 07:29:11 +00:00
case etree_binary:
gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs);
gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs);
break;
1999-05-03 07:29:11 +00:00
case etree_trinary:
gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond);
gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs);
gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs);
break;
1999-05-03 07:29:11 +00:00
case etree_unary:
gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child);
break;
1999-05-03 07:29:11 +00:00
default:
break;
1999-05-03 07:29:11 +00:00
}
}
/* This is called by the before_allocation routine via
lang_for_each_statement. It locates any assignment statements, and
tells the ELF backend about them, in case they are assignments to
symbols which are referred to by dynamic objects. */
static void
gld${EMULATION_NAME}_find_statement_assignment (s)
lang_statement_union_type *s;
{
if (s->header.type == lang_assignment_statement_enum)
gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
}
EOF
if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then
if test x"${ELF_INTERPRETER_NAME+set}" = xset; then
ELF_INTERPRETER_SET_DEFAULT="
if (sinterp != NULL)
{
sinterp->contents = ${ELF_INTERPRETER_NAME};
sinterp->_raw_size = strlen (sinterp->contents) + 1;
}
"
else
ELF_INTERPRETER_SET_DEFAULT=
fi
cat >>e${EMULATION_NAME}.c <<EOF
1999-05-03 07:29:11 +00:00
/* This is called after the sections have been attached to output
sections, but before any sizes or addresses have been set. */
static void
gld${EMULATION_NAME}_before_allocation ()
{
const char *rpath;
asection *sinterp;
/* If we are going to make any variable assignments, we need to let
the ELF backend know about them in case the variables are
referred to by dynamic objects. */
lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment);
/* Let the ELF backend work out the sizes of any sections required
by dynamic linking. */
rpath = command_line.rpath;
if (rpath == NULL)
rpath = (const char *) getenv ("LD_RUN_PATH");
if (! (bfd_elf${ELFSIZE}_size_dynamic_sections
(output_bfd, command_line.soname, rpath,
command_line.filter_shlib,
1999-05-03 07:29:11 +00:00
(const char * const *) command_line.auxiliary_filters,
&link_info, &sinterp, lang_elf_version_info)))
einfo ("%P%F: failed to set dynamic section sizes: %E\n");
${ELF_INTERPRETER_SET_DEFAULT}
1999-05-03 07:29:11 +00:00
/* Let the user override the dynamic linker we are using. */
if (command_line.interpreter != NULL
&& sinterp != NULL)
{
sinterp->contents = (bfd_byte *) command_line.interpreter;
sinterp->_raw_size = strlen (command_line.interpreter) + 1;
}
/* Look for any sections named .gnu.warning. As a GNU extensions,
we treat such sections as containing warning messages. We print
out the warning message, and then zero out the section size so
that it does not get copied into the output file. */
{
LANG_FOR_EACH_INPUT_STATEMENT (is)
{
asection *s;
bfd_size_type sz;
char *msg;
bfd_boolean ret;
1999-05-03 07:29:11 +00:00
if (is->just_syms_flag)
continue;
s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning");
if (s == NULL)
continue;
sz = bfd_section_size (is->the_bfd, s);
msg = xmalloc ((size_t) sz + 1);
if (! bfd_get_section_contents (is->the_bfd, s, msg, (file_ptr) 0, sz))
einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n",
is->the_bfd);
msg[sz] = '\0';
ret = link_info.callbacks->warning (&link_info, msg,
(const char *) NULL,
is->the_bfd, (asection *) NULL,
(bfd_vma) 0);
ASSERT (ret);
free (msg);
/* Clobber the section size, so that we don't waste copying the
warning into the output file. */
s->_raw_size = 0;
}
}
}
EOF
fi
if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then
cat >>e${EMULATION_NAME}.c <<EOF
1999-05-03 07:29:11 +00:00
/* Try to open a dynamic archive. This is where we know that ELF
dynamic libraries have an extension of .so (or .sl on oddball systems
like hpux). */
static bfd_boolean
gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
const char *arch;
search_dirs_type *search;
lang_input_statement_type *entry;
1999-05-03 07:29:11 +00:00
{
const char *filename;
char *string;
1999-05-03 07:29:11 +00:00
if (! entry->is_archive)
return FALSE;
1999-05-03 07:29:11 +00:00
filename = entry->filename;
1999-05-03 07:29:11 +00:00
/* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION
is defined, but it does not seem worth the headache to optimize
away those two bytes of space. */
string = (char *) xmalloc (strlen (search->name)
+ strlen (filename)
+ strlen (arch)
#ifdef EXTRA_SHLIB_EXTENSION
+ strlen (EXTRA_SHLIB_EXTENSION)
#endif
+ sizeof "/lib.so");
sprintf (string, "%s/lib%s%s.so", search->name, filename, arch);
#ifdef EXTRA_SHLIB_EXTENSION
/* Try the .so extension first. If that fails build a new filename
using EXTRA_SHLIB_EXTENSION. */
if (! ldfile_try_open_bfd (string, entry))
sprintf (string, "%s/lib%s%s%s", search->name,
filename, arch, EXTRA_SHLIB_EXTENSION);
#endif
if (! ldfile_try_open_bfd (string, entry))
1999-05-03 07:29:11 +00:00
{
free (string);
return FALSE;
}
1999-05-03 07:29:11 +00:00
entry->filename = string;
1999-05-03 07:29:11 +00:00
/* We have found a dynamic object to include in the link. The ELF
backend linker will create a DT_NEEDED entry in the .dynamic
section naming this file. If this file includes a DT_SONAME
entry, it will be used. Otherwise, the ELF linker will just use
the name of the file. For an archive found by searching, like
this one, the DT_NEEDED entry should consist of just the name of
the file, without the path information used to find it. Note
that we only need to do this if we have a dynamic object; an
archive will never be referenced by a DT_NEEDED entry.
1999-05-03 07:29:11 +00:00
FIXME: This approach--using bfd_elf_set_dt_needed_name--is not
very pretty. I haven't been able to think of anything that is
pretty, though. */
if (bfd_check_format (entry->the_bfd, bfd_object)
&& (entry->the_bfd->flags & DYNAMIC) != 0)
{
ASSERT (entry->is_archive && entry->search_dirs_flag);
1999-05-03 07:29:11 +00:00
/* Rather than duplicating the logic above. Just use the
filename we recorded earlier. */
filename = lbasename (entry->filename);
bfd_elf_set_dt_needed_name (entry->the_bfd, filename);
}
return TRUE;
}
EOF
fi
if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then
cat >>e${EMULATION_NAME}.c <<EOF
/* A variant of lang_output_section_find. Used by place_orphan. */
static lang_output_section_statement_type *
output_rel_find (sec)
asection *sec;
{
lang_statement_union_type *u;
lang_output_section_statement_type *lookup;
lang_output_section_statement_type *last = NULL;
lang_output_section_statement_type *last_rel = NULL;
lang_output_section_statement_type *last_rel_alloc = NULL;
int rela = sec->name[4] == 'a';
for (u = lang_output_section_statement.head; u; u = lookup->next)
{
lookup = &u->output_section_statement;
if (strncmp (".rel", lookup->name, 4) == 0)
{
/* Don't place after .rel.plt as doing so results in wrong
dynamic tags. Also, place allocated reloc sections before
non-allocated. */
int lookrela = lookup->name[4] == 'a';
if (strcmp (".plt", lookup->name + 4 + lookrela) == 0
|| (lookup->bfd_section != NULL
&& (lookup->bfd_section->flags & SEC_ALLOC) == 0))
break;
last = lookup;
if (rela == lookrela)
last_rel = lookup;
if (lookup->bfd_section != NULL
&& (lookup->bfd_section->flags & SEC_ALLOC) != 0)
last_rel_alloc = lookup;
}
1999-05-03 07:29:11 +00:00
}
if (last_rel_alloc)
return last_rel_alloc;
if (last_rel)
return last_rel;
return last;
1999-05-03 07:29:11 +00:00
}
/* Find the last output section before given output statement.
Used by place_orphan. */
static asection *
output_prev_sec_find (os)
lang_output_section_statement_type *os;
{
asection *s = (asection *) NULL;
lang_statement_union_type *u;
lang_output_section_statement_type *lookup;
for (u = lang_output_section_statement.head;
u != (lang_statement_union_type *) NULL;
u = lookup->next)
{
lookup = &u->output_section_statement;
if (lookup == os)
return s;
if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL)
s = lookup->bfd_section;
}
return NULL;
}
1999-05-03 07:29:11 +00:00
/* Place an orphan section. We use this to put random SHF_ALLOC
sections in the right segment. */
struct orphan_save {
lang_output_section_statement_type *os;
asection **section;
lang_statement_union_type **stmt;
lang_statement_union_type **os_tail;
};
1999-05-03 07:29:11 +00:00
static bfd_boolean
1999-05-03 07:29:11 +00:00
gld${EMULATION_NAME}_place_orphan (file, s)
lang_input_statement_type *file;
asection *s;
{
2000-04-25 05:14:16 +00:00
static struct orphan_save hold_text;
static struct orphan_save hold_rodata;
static struct orphan_save hold_data;
static struct orphan_save hold_bss;
static struct orphan_save hold_rel;
static struct orphan_save hold_interp;
static struct orphan_save hold_sdata;
2000-09-06 15:28:25 +00:00
static int count = 1;
struct orphan_save *place;
lang_statement_list_type *old;
1999-05-03 07:29:11 +00:00
lang_statement_list_type add;
etree_type *address;
const char *secname;
const char *ps = NULL;
1999-05-03 07:29:11 +00:00
lang_output_section_statement_type *os;
lang_statement_union_type **os_tail;
etree_type *load_base;
int isdyn = 0;
1999-05-03 07:29:11 +00:00
2000-04-25 05:14:16 +00:00
secname = bfd_get_section_name (s->owner, s);
if (! link_info.relocateable
&& link_info.combreloc
&& (s->flags & SEC_ALLOC)
&& strncmp (secname, ".rel", 4) == 0)
{
if (secname[4] == 'a')
secname = ".rela.dyn";
else
secname = ".rel.dyn";
isdyn = 1;
}
2000-04-25 05:14:16 +00:00
if (isdyn || (!config.unique_orphan_sections && !unique_section_p (secname)))
1999-05-03 07:29:11 +00:00
{
2000-12-12 19:37:01 +00:00
/* Look through the script to see where to place this section. */
os = lang_output_section_find (secname);
if (os != NULL
&& (os->bfd_section == NULL
|| ((s->flags ^ os->bfd_section->flags)
& (SEC_LOAD | SEC_ALLOC)) == 0))
{
/* We already have an output section statement with this
name, and its bfd section, if any, has compatible flags. */
lang_add_section (&os->children, s, os, file);
return TRUE;
}
1999-05-03 07:29:11 +00:00
}
2000-04-25 05:14:16 +00:00
if (hold_text.os == NULL)
hold_text.os = lang_output_section_find (".text");
1999-05-03 07:29:11 +00:00
/* If this is a final link, then always put .gnu.warning.SYMBOL
sections into the .text section to get them out of the way. */
if (! link_info.shared
&& ! link_info.relocateable
&& strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0
&& hold_text.os != NULL)
1999-05-03 07:29:11 +00:00
{
lang_add_section (&hold_text.os->children, s, hold_text.os, file);
return TRUE;
1999-05-03 07:29:11 +00:00
}
/* Decide which segment the section should go in based on the
section name and section flags. We put loadable .note sections
right after the .interp section, so that the PT_NOTE segment is
stored right after the program headers where the OS can read it
in the first page. */
2000-04-25 05:14:16 +00:00
#define HAVE_SECTION(hold, name) \
(hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL)
if ((s->flags & SEC_EXCLUDE) != 0 && !link_info.relocateable)
{
if (s->output_section == NULL)
s->output_section = bfd_abs_section_ptr;
return TRUE;
}
place = NULL;
if ((s->flags & SEC_ALLOC) == 0)
;
1999-05-03 07:29:11 +00:00
else if ((s->flags & SEC_LOAD) != 0
2001-01-14 04:36:35 +00:00
&& strncmp (secname, ".note", 5) == 0
2000-04-25 05:14:16 +00:00
&& HAVE_SECTION (hold_interp, ".interp"))
place = &hold_interp;
1999-05-03 07:29:11 +00:00
else if ((s->flags & SEC_HAS_CONTENTS) == 0
2000-04-25 05:14:16 +00:00
&& HAVE_SECTION (hold_bss, ".bss"))
place = &hold_bss;
else if ((s->flags & SEC_SMALL_DATA) != 0
&& HAVE_SECTION (hold_sdata, ".sdata"))
place = &hold_sdata;
1999-05-03 07:29:11 +00:00
else if ((s->flags & SEC_READONLY) == 0
2000-04-25 05:14:16 +00:00
&& HAVE_SECTION (hold_data, ".data"))
place = &hold_data;
1999-05-03 07:29:11 +00:00
else if (strncmp (secname, ".rel", 4) == 0
&& (s->flags & SEC_LOAD) != 0
2000-04-25 05:14:16 +00:00
&& (hold_rel.os != NULL
|| (hold_rel.os = output_rel_find (s)) != NULL))
place = &hold_rel;
else if ((s->flags & (SEC_CODE | SEC_READONLY)) == SEC_READONLY
2000-04-25 05:14:16 +00:00
&& HAVE_SECTION (hold_rodata, ".rodata"))
place = &hold_rodata;
else if ((s->flags & (SEC_CODE | SEC_READONLY)) == (SEC_CODE | SEC_READONLY)
&& hold_text.os != NULL)
place = &hold_text;
1999-05-03 07:29:11 +00:00
2000-04-25 05:14:16 +00:00
#undef HAVE_SECTION
1999-05-03 07:29:11 +00:00
/* Choose a unique name for the section. This will be needed if the
same section name appears in the input file with different
loadable or allocatable characteristics. */
if (bfd_get_section_by_name (output_bfd, secname) != NULL)
2000-09-20 04:20:26 +00:00
{
secname = bfd_get_unique_section_name (output_bfd, secname, &count);
if (secname == NULL)
2000-09-20 04:20:26 +00:00
einfo ("%F%P: place_orphan failed: %E\n");
}
1999-05-03 07:29:11 +00:00
/* Start building a list of statements for this section.
First save the current statement pointer. */
old = stat_ptr;
/* If we have found an appropriate place for the output section
statements for this orphan, add them to our own private list,
inserting them later into the global statement list. */
if (place != NULL)
1999-05-03 07:29:11 +00:00
{
stat_ptr = &add;
lang_list_init (stat_ptr);
}
if (config.build_constructors)
{
/* If the name of the section is representable in C, then create
symbols to mark the start and the end of the section. */
for (ps = secname; *ps != '\0'; ps++)
if (! ISALNUM (*ps) && *ps != '_')
break;
if (*ps == '\0')
{
char *symname;
etree_type *e_align;
symname = (char *) xmalloc (ps - secname + sizeof "__start_");
sprintf (symname, "__start_%s", secname);
e_align = exp_unop (ALIGN_K,
exp_intop ((bfd_vma) 1 << s->alignment_power));
lang_add_assignment (exp_assop ('=', symname, e_align));
}
1999-05-03 07:29:11 +00:00
}
address = NULL;
if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
1999-05-03 07:29:11 +00:00
address = exp_intop ((bfd_vma) 0);
load_base = NULL;
if (place != NULL && place->os->load_base != NULL)
{
etree_type *lma_from_vma;
lma_from_vma = exp_binop ('-', place->os->load_base,
exp_nameop (ADDR, place->os->name));
load_base = exp_binop ('+', lma_from_vma,
exp_nameop (ADDR, secname));
}
1999-05-03 07:29:11 +00:00
os_tail = lang_output_section_statement.tail;
os = lang_enter_output_section_statement (secname, address, 0,
2000-04-25 05:14:16 +00:00
(bfd_vma) 0,
(etree_type *) NULL,
(etree_type *) NULL,
load_base);
1999-05-03 07:29:11 +00:00
lang_add_section (&os->children, s, os, file);
1999-05-03 07:29:11 +00:00
lang_leave_output_section_statement
((bfd_vma) 0, "*default*",
(struct lang_output_section_phdr_list *) NULL, NULL);
if (config.build_constructors && *ps == '\0')
1999-05-03 07:29:11 +00:00
{
char *symname;
1999-05-03 07:29:11 +00:00
/* lang_leave_ouput_section_statement resets stat_ptr. Put
stat_ptr back where we want it. */
if (place != NULL)
stat_ptr = &add;
1999-05-03 07:29:11 +00:00
symname = (char *) xmalloc (ps - secname + sizeof "__stop_");
sprintf (symname, "__stop_%s", secname);
lang_add_assignment (exp_assop ('=', symname,
exp_nameop (NAME, ".")));
}
/* Restore the global list pointer. */
stat_ptr = old;
if (place != NULL && os->bfd_section != NULL)
{
asection *snew, **pps;
snew = os->bfd_section;
/* Shuffle the bfd section list to make the output file look
neater. This is really only cosmetic. */
if (place->section == NULL)
{
asection *bfd_section = place->os->bfd_section;
/* If the output statement hasn't been used to place
any input sections (and thus doesn't have an output
bfd_section), look for the closest prior output statement
having an output section. */
if (bfd_section == NULL)
bfd_section = output_prev_sec_find (place->os);
if (bfd_section != NULL && bfd_section != snew)
place->section = &bfd_section->next;
}
if (place->section != NULL)
{
/* Unlink the section. */
for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next)
;
bfd_section_list_remove (output_bfd, pps);
/* Now tack it on to the "place->os" section list. */
bfd_section_list_insert (output_bfd, place->section, snew);
}
/* Save the end of this list. Further ophans of this type will
follow the one we've just added. */
place->section = &snew->next;
/* The following is non-cosmetic. We try to put the output
statements in some sort of reasonable order here, because
they determine the final load addresses of the orphan
sections. In addition, placing output statements in the
wrong order may require extra segments. For instance,
given a typical situation of all read-only sections placed
in one segment and following that a segment containing all
the read-write sections, we wouldn't want to place an orphan
read/write section before or amongst the read-only ones. */
if (add.head != NULL)
{
lang_statement_union_type *newly_added_os;
if (place->stmt == NULL)
{
/* Put the new statement list right at the head. */
*add.tail = place->os->header.next;
place->os->header.next = add.head;
place->os_tail = &place->os->next;
}
else
{
/* Put it after the last orphan statement we added. */
*add.tail = *place->stmt;
*place->stmt = add.head;
}
/* Fix the global list pointer if we happened to tack our
new list at the tail. */
if (*old->tail == add.head)
old->tail = add.tail;
/* Save the end of this list. */
place->stmt = add.tail;
/* Do the same for the list of output section statements. */
newly_added_os = *os_tail;
*os_tail = NULL;
newly_added_os->output_section_statement.next = *place->os_tail;
*place->os_tail = newly_added_os;
place->os_tail = &newly_added_os->output_section_statement.next;
/* Fixing the global list pointer here is a little different.
We added to the list in lang_enter_output_section_statement,
trimmed off the new output_section_statment above when
assigning *os_tail = NULL, but possibly added it back in
the same place when assigning *place->os_tail. */
if (*os_tail == NULL)
lang_output_section_statement.tail = os_tail;
}
}
1999-05-03 07:29:11 +00:00
return TRUE;
1999-05-03 07:29:11 +00:00
}
EOF
fi
if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then
cat >>e${EMULATION_NAME}.c <<EOF
1999-05-03 07:29:11 +00:00
2001-11-11 Daniel Jacobowitz <drow@mvista.com> * bfd-in.h (bfd_elf32_discard_info): Add prototype. (bfd_elf64_discard_info): Likewise. * bfd-in2.h: Regenerate. * elf-bfd.h (struct elf_reloc_cookie): New. (struct elf_backend_data): Add elf_backend_discard_info, elf_backend_ignore_discarded_relocs, and elf_backend_write_section. (_bfd_elf32_reloc_symbol_deleted_p): Add prototype. (_bfd_elf64_reloc_symbol_deleted_p): Likewise. * elf32-mips.c (_bfd_elf32_mips_discard_info): New. (_bfd_elf32_mips_ignore_discarded_relocs): New. (_bfd_elf32_mips_write_section): New. (elf_backend_discard_info): Define. (elf_backend_ignore_discarded_relocs): Define. (elf_backend_write_section): Define. * elfcode.h (elf_bfd_discard_info): Define. (elf_reloc_symbol_deleted_p): Define. * elflink.h (elf_link_input_bfd): Check elf_section_ignore_discarded_relocs. Call bed->elf_backend_write_section if available. (elf_reloc_symbol_deleted_p): New. (elf_bfd_discard_info): New. (elf_section_ignore_discarded_relocs): New. * elfxx-target.h (elf_backend_discard_info): Define. (elf_backend_ignore_discarded_relocs): Define. (elf_backend_write_section): Define. (elfNN_bed): Add elf_backend_discard_info, elf_backend_ignore_discarded_relocs, and elf_backend_write_section. * libbfd-in.h (_bfd_discard_section_stabs): Add prototype. * libbfd.h: Regenerate. * stabs.c (_bfd_discard_section_stabs): New. 2001-11-11 Daniel Jacobowitz <drow@mvista.com> * emultempl/elf32.em (gld${EMULATION_NAME}_finish): New. (struct ld_emulation_xfer_struct): Use it.
2001-11-15 01:34:12 +00:00
static void
gld${EMULATION_NAME}_finish ()
{
* elf-bfd.h (enum elf_link_info_type): New. (struct bfd_elf_section_data): Remove stab_info and merge_info fields, add sec_info and sec_info_type. (struct elf_obj_tdata): Add eh_frame_hdr field. (_bfd_elf_discard_section_eh_frame): New prototype. (_bfd_elf_discard_section_eh_frame_hdr): Likewise. (_bfd_elf_eh_frame_section_offset): Likewise. (_bfd_elf_write_section_eh_frame): Likewise. (_bfd_elf_write_section_eh_frame_hdr): Likewise. * Makefile.am (BFD32_BACKENDS): Add elf-eh-frame.lo. (BFD32_BACKENDS_CFILES): Add elf-eh-frame.c. (elf-eh-frame.lo): New. * Makefile.in: Rebuilt. * configure.in (elf): Add elf-eh-frame.lo. * configure: Rebuilt. * elf.c (_bfd_elf_print_private_bfd_data): Support PT_GNU_EH_FRAME. (map_sections_to_segments): Create PT_GNU_EH_FRAME if requested. (get_program_header_size): Take into account PT_GNU_EH_FRAME segment. (_bfd_elf_rela_local_sym): Use sec_info_type and sec_info. (_bfd_elf_rel_local_sym): Likewise. (_bfd_elf_section_offset): Likewise. Call _bfd_elf_eh_frame_section_offset too. * elfxx-ia64.c (elfNN_ia64_relocate_section): Use sec_info_type and sec_info. * elf64-alpha.c (elf64_alpha_relocate_section): Likewise. * elf-eh-frame.c: New file. * elflink.h (elf_link_add_object_symbols): Don't optimize SHF_MERGE .stab sections. Set sec_info_type, use sec_info instead of merge_info and stab_info. (elf_link_create_dynamic_sections): Create .eh_frame_hdr section if --eh-frame-hdr. (elf_bfd_final_link): Write .eh_frame_hdr section. (elf_link_sec_merge_syms): Use sec_info_type and sec_info. (elf_link_input_bfd): Likewise. Call _bfd_elf_write_section_eh_frame to write .eh_frame sections. (elf_bfd_discard_info): Add output_bfd argument. Call _bfd_elf_discard_section_eh_frame and _bfd_elf_discard_section_eh_frame_hdr. (elf_section_ignore_discarded_relocs): Use sec_info_type, not section names. * bfd-in.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Adjust prototypes. * bfd-in2.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Likewise. * elf/common.h (PT_GNU_EH_FRAME): Define. * bfdlink.h (struct bfd_link_info): Add eh_frame_hdr field. * emultempl/elf32.em (finish): Supply output_bfd to bfd_elf*_discard_info. (OPTION_EH_FRAME_HDR): Define. (longopts): Add --eh-frame-hdr. (parse_args): Handle it. (list_options): Add --eh-frame-hdr to help. * emultempl/hppaelf.em (finish): Supply output_bfd to bfd_elf*_discard_info. * scripttempl/elf.sc (.eh_frame_hdr): Add. * readelf.c (get_segment_type): Support PT_GNU_EH_FRAME.
2001-12-13 11:09:34 +00:00
if (bfd_elf${ELFSIZE}_discard_info (output_bfd, &link_info))
2001-11-11 Daniel Jacobowitz <drow@mvista.com> * bfd-in.h (bfd_elf32_discard_info): Add prototype. (bfd_elf64_discard_info): Likewise. * bfd-in2.h: Regenerate. * elf-bfd.h (struct elf_reloc_cookie): New. (struct elf_backend_data): Add elf_backend_discard_info, elf_backend_ignore_discarded_relocs, and elf_backend_write_section. (_bfd_elf32_reloc_symbol_deleted_p): Add prototype. (_bfd_elf64_reloc_symbol_deleted_p): Likewise. * elf32-mips.c (_bfd_elf32_mips_discard_info): New. (_bfd_elf32_mips_ignore_discarded_relocs): New. (_bfd_elf32_mips_write_section): New. (elf_backend_discard_info): Define. (elf_backend_ignore_discarded_relocs): Define. (elf_backend_write_section): Define. * elfcode.h (elf_bfd_discard_info): Define. (elf_reloc_symbol_deleted_p): Define. * elflink.h (elf_link_input_bfd): Check elf_section_ignore_discarded_relocs. Call bed->elf_backend_write_section if available. (elf_reloc_symbol_deleted_p): New. (elf_bfd_discard_info): New. (elf_section_ignore_discarded_relocs): New. * elfxx-target.h (elf_backend_discard_info): Define. (elf_backend_ignore_discarded_relocs): Define. (elf_backend_write_section): Define. (elfNN_bed): Add elf_backend_discard_info, elf_backend_ignore_discarded_relocs, and elf_backend_write_section. * libbfd-in.h (_bfd_discard_section_stabs): Add prototype. * libbfd.h: Regenerate. * stabs.c (_bfd_discard_section_stabs): New. 2001-11-11 Daniel Jacobowitz <drow@mvista.com> * emultempl/elf32.em (gld${EMULATION_NAME}_finish): New. (struct ld_emulation_xfer_struct): Use it.
2001-11-15 01:34:12 +00:00
{
lang_reset_memory_regions ();
2001-11-11 Daniel Jacobowitz <drow@mvista.com> * bfd-in.h (bfd_elf32_discard_info): Add prototype. (bfd_elf64_discard_info): Likewise. * bfd-in2.h: Regenerate. * elf-bfd.h (struct elf_reloc_cookie): New. (struct elf_backend_data): Add elf_backend_discard_info, elf_backend_ignore_discarded_relocs, and elf_backend_write_section. (_bfd_elf32_reloc_symbol_deleted_p): Add prototype. (_bfd_elf64_reloc_symbol_deleted_p): Likewise. * elf32-mips.c (_bfd_elf32_mips_discard_info): New. (_bfd_elf32_mips_ignore_discarded_relocs): New. (_bfd_elf32_mips_write_section): New. (elf_backend_discard_info): Define. (elf_backend_ignore_discarded_relocs): Define. (elf_backend_write_section): Define. * elfcode.h (elf_bfd_discard_info): Define. (elf_reloc_symbol_deleted_p): Define. * elflink.h (elf_link_input_bfd): Check elf_section_ignore_discarded_relocs. Call bed->elf_backend_write_section if available. (elf_reloc_symbol_deleted_p): New. (elf_bfd_discard_info): New. (elf_section_ignore_discarded_relocs): New. * elfxx-target.h (elf_backend_discard_info): Define. (elf_backend_ignore_discarded_relocs): Define. (elf_backend_write_section): Define. (elfNN_bed): Add elf_backend_discard_info, elf_backend_ignore_discarded_relocs, and elf_backend_write_section. * libbfd-in.h (_bfd_discard_section_stabs): Add prototype. * libbfd.h: Regenerate. * stabs.c (_bfd_discard_section_stabs): New. 2001-11-11 Daniel Jacobowitz <drow@mvista.com> * emultempl/elf32.em (gld${EMULATION_NAME}_finish): New. (struct ld_emulation_xfer_struct): Use it.
2001-11-15 01:34:12 +00:00
/* Resize the sections. */
lang_size_sections (stat_ptr->head, abs_output_section,
&stat_ptr->head, 0, (bfd_vma) 0, NULL, TRUE);
2001-11-11 Daniel Jacobowitz <drow@mvista.com> * bfd-in.h (bfd_elf32_discard_info): Add prototype. (bfd_elf64_discard_info): Likewise. * bfd-in2.h: Regenerate. * elf-bfd.h (struct elf_reloc_cookie): New. (struct elf_backend_data): Add elf_backend_discard_info, elf_backend_ignore_discarded_relocs, and elf_backend_write_section. (_bfd_elf32_reloc_symbol_deleted_p): Add prototype. (_bfd_elf64_reloc_symbol_deleted_p): Likewise. * elf32-mips.c (_bfd_elf32_mips_discard_info): New. (_bfd_elf32_mips_ignore_discarded_relocs): New. (_bfd_elf32_mips_write_section): New. (elf_backend_discard_info): Define. (elf_backend_ignore_discarded_relocs): Define. (elf_backend_write_section): Define. * elfcode.h (elf_bfd_discard_info): Define. (elf_reloc_symbol_deleted_p): Define. * elflink.h (elf_link_input_bfd): Check elf_section_ignore_discarded_relocs. Call bed->elf_backend_write_section if available. (elf_reloc_symbol_deleted_p): New. (elf_bfd_discard_info): New. (elf_section_ignore_discarded_relocs): New. * elfxx-target.h (elf_backend_discard_info): Define. (elf_backend_ignore_discarded_relocs): Define. (elf_backend_write_section): Define. (elfNN_bed): Add elf_backend_discard_info, elf_backend_ignore_discarded_relocs, and elf_backend_write_section. * libbfd-in.h (_bfd_discard_section_stabs): Add prototype. * libbfd.h: Regenerate. * stabs.c (_bfd_discard_section_stabs): New. 2001-11-11 Daniel Jacobowitz <drow@mvista.com> * emultempl/elf32.em (gld${EMULATION_NAME}_finish): New. (struct ld_emulation_xfer_struct): Use it.
2001-11-15 01:34:12 +00:00
/* Redo special stuff. */
ldemul_after_allocation ();
/* Do the assignments again. */
lang_do_assignments (stat_ptr->head, abs_output_section,
Support arbitrary length fill patterns. * ldexp.h (etree_value_type): Add "str" field. (union etree_union): Add "str" to "value" struct. (exp_bigintop): Declare. (exp_get_fill): Declare. * ldexp.c: Include "safe-ctype.h". (exp_intop): Set value.str to NULL. (exp_bigintop): New function. (new_rel): Pass in "str", and set new.str from it. (new_rel_from_section): Set new.str to NULL. (fold_name): Adjust calls to new_rel. (exp_fold_tree): Likewise. (exp_get_fill): New function. * ldgram.y (struct big_int bigint, fill_type *fill): New. (INT): Returns a "bigint". Adjust all code handling INTs. (fill_opt): Returns a "fill". (fill_exp): Split out of fill_opt, use for FILL. * ldlang.h (struct _fill_type): New. (fill_type): Move typedef to ldexp.h. (lang_output_section_statement_type): "fill" is now a pointer. (lang_fill_statement_type): Likewise. (lang_padding_statement_type): Likewise. (lang_add_fill): Now takes a "fill_type *" param. (lang_leave_output_section_statement): Likewise. (lang_do_assignments): Likewise. (lang_size_sections): Likewise. (lang_leave_overlay_section): Likewise. (lang_leave_overlay): Likewise. * ldlang.c: Include ldgram.h after ldexp.h. (lang_output_section_statement_lookup): Adjust for fill_type change. (print_fill_statement): Likewise. (print_padding_statement): Likewise. (insert_pad): Now takes a "fill_type *" arg. (size_input_section): Likewise. (lang_size_sections_1): Likewise. (lang_size_sections): Likewise. (lang_do_assignments): Likewise. (lang_add_fill): Likewise. (lang_leave_output_section_statement): Likewise. (lang_leave_overlay_section): Likewise. (lang_leave_overlay): Likewise. Adjust all callers of the above function. * ldlex.l: Include ldgram.h after ldexp.h. Allow hex numbers starting with "0X" as well as "0x". Return bigint.str for hex numbers starting with "0x" or "0X", zero bigint.str otherwise. Always use base 16 for numbers starting with "$". * ldmain.c: Include ldgram.h after ldexp.h. * ldwrite.c (build_link_order): Use bfd_data_link_order in place of bfd_fill_link_order. * pe-dll.c: Adjust lang_do_assignments calls. * emultempl/elf32.em: Likewise. * emultempl/hppaelf.em: Likewise. * emultempl/ppc64elf.em: Likewise. * emultempl/beos.em: Include ldgram.h after ldexp.h, adjust lang_add_assignment call. * emultempl/pe.em: Likewise.
2002-02-15 02:11:05 +00:00
(fill_type *) 0, (bfd_vma) 0);
2001-11-11 Daniel Jacobowitz <drow@mvista.com> * bfd-in.h (bfd_elf32_discard_info): Add prototype. (bfd_elf64_discard_info): Likewise. * bfd-in2.h: Regenerate. * elf-bfd.h (struct elf_reloc_cookie): New. (struct elf_backend_data): Add elf_backend_discard_info, elf_backend_ignore_discarded_relocs, and elf_backend_write_section. (_bfd_elf32_reloc_symbol_deleted_p): Add prototype. (_bfd_elf64_reloc_symbol_deleted_p): Likewise. * elf32-mips.c (_bfd_elf32_mips_discard_info): New. (_bfd_elf32_mips_ignore_discarded_relocs): New. (_bfd_elf32_mips_write_section): New. (elf_backend_discard_info): Define. (elf_backend_ignore_discarded_relocs): Define. (elf_backend_write_section): Define. * elfcode.h (elf_bfd_discard_info): Define. (elf_reloc_symbol_deleted_p): Define. * elflink.h (elf_link_input_bfd): Check elf_section_ignore_discarded_relocs. Call bed->elf_backend_write_section if available. (elf_reloc_symbol_deleted_p): New. (elf_bfd_discard_info): New. (elf_section_ignore_discarded_relocs): New. * elfxx-target.h (elf_backend_discard_info): Define. (elf_backend_ignore_discarded_relocs): Define. (elf_backend_write_section): Define. (elfNN_bed): Add elf_backend_discard_info, elf_backend_ignore_discarded_relocs, and elf_backend_write_section. * libbfd-in.h (_bfd_discard_section_stabs): Add prototype. * libbfd.h: Regenerate. * stabs.c (_bfd_discard_section_stabs): New. 2001-11-11 Daniel Jacobowitz <drow@mvista.com> * emultempl/elf32.em (gld${EMULATION_NAME}_finish): New. (struct ld_emulation_xfer_struct): Use it.
2001-11-15 01:34:12 +00:00
}
}
EOF
fi
if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then
cat >>e${EMULATION_NAME}.c <<EOF
1999-05-03 07:29:11 +00:00
static char *
gld${EMULATION_NAME}_get_script (isfile)
1999-05-03 07:29:11 +00:00
int *isfile;
EOF
if test -n "$COMPILE_IN"
then
# Scripts compiled in.
# sed commands to quote an ld script as a C string.
sc="-f stringify.sed"
1999-05-03 07:29:11 +00:00
cat >>e${EMULATION_NAME}.c <<EOF
{
1999-05-03 07:29:11 +00:00
*isfile = 0;
if (link_info.relocateable && config.build_constructors)
return
1999-05-03 07:29:11 +00:00
EOF
sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
echo ' ; else if (link_info.relocateable) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else
echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
* elf-bfd.h (enum elf_reloc_type_class): New. (struct elf_backend_data): Add elf_backend_reloc_type_class. (_bfd_elf_reloc_type_class): New. * elfxx-target.h (elf_backend_reloc_type_class): Define. (elfNN_bed): Add elf_backend_reloc_type_class. * elf.c (_bfd_elf_reloc_type_class): New. * elf32-i386.c (elf_i386_check_relocs): Set DF_TEXTREL if the reloc is against read-only section. (elf_i386_size_dynamic_sections): Use DF_TEXTREL flag instead of looking up section names for DT_TEXTREL. (elf_i386_reloc_type_class): New. (elf_backend_reloc_type_class): Define. * elf32-sparc.c (elf32_sparc_check_relocs): Set DF_TEXTREL if the reloc is against read-only section. (elf32_sparc_size_dynamic_sections): Use DF_TEXTREL flag instead of looking up section names for DT_TEXTREL. (elf32_sparc_reloc_type_class): New. (elf_backend_reloc_type_class): Define. * elf64-sparc.c (sparc64_elf_check_relocs): Set DF_TEXTREL if the reloc is against read-only section. (sparc64_elf_size_dynamic_sections): Use DF_TEXTREL flag instead of looking up section names for DT_TEXTREL. (sparc64_elf_reloc_type_class): New. (elf_backend_reloc_type_class): Define. * elfxx-ia64.c (struct elfNN_ia64_link_hash_table): Add reltext field. (elfNN_ia64_hash_table_create): Clear ia64_info. (get_reloc_section): Set DF_TEXTREL if the reloc is against read-only section. (elfNN_ia64_size_dynamic_sections): Use ia64_info->reltext flag instead of looking up section names for DT_TEXTREL. (elfNN_ia64_reloc_type_class): New. (elf_backend_reloc_type_class): Define. * elflink.h (size_dynamic_sections): Add spare DT_NULL tags. (struct elf_link_sort_rela): New. (elf_link_sort_cmp1, elf_link_sort_cmp2, elf_link_sort_relocs): New. (elf_bfd_final_link): Call elf_link_sort_relocs. Convert one spare DT_NULL into DT_RELCOUNT resp. DT_RELACOUNT if necessary. * bfdlink.h (struct bfd_link_info): Add combreloc and spare_dynamic_tags fields. * emultempl/elf32.em (place_orphan): Place orphan .rel* sections into .rel.dyn resp. .rela.dyn if combreloc. (get_script): If .x linker script is equal to .xn, only put it once into the binary. Add .xc and .xsc scripts. (parse_args): Handle -z combreloc and -z nocombreloc. * scripttempl/elf.sc (.rela.sbss): Fix a typo. For .xc and .xsc scripts put all .rel* or .rela* input sections but .rel*.plt and PLT-like sections into .rel.dyn resp. .rela.dyn. * genscripts.sh (GENERATE_COMBRELOC_SCRIPT): Set if SCRIPT_NAME is elf. Strip trailing whitespace from script. Generate .xc and .xsc scripts if requested. * ldmain.c (main): Initialize link_info.combreloc and link_info.spare_dynamic_tags. * lexsup.c (OPTION_SPARE_DYNAMIC_TAGS): Define. (ld_options): Add --spare-dynamic-tags option. (parse_args): Likewise. * ld.texinfo: Document -z combreloc and -z nocombreloc. * ldint.texinfo: Document .xc and .xsc linker scripts. * NEWS: Add notes about -z combreloc and SHF_MERGE.
2001-08-23 15:14:18 +00:00
fi
1999-05-03 07:29:11 +00:00
if test -n "$GENERATE_SHLIB_SCRIPT" ; then
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
* elf-bfd.h (enum elf_reloc_type_class): New. (struct elf_backend_data): Add elf_backend_reloc_type_class. (_bfd_elf_reloc_type_class): New. * elfxx-target.h (elf_backend_reloc_type_class): Define. (elfNN_bed): Add elf_backend_reloc_type_class. * elf.c (_bfd_elf_reloc_type_class): New. * elf32-i386.c (elf_i386_check_relocs): Set DF_TEXTREL if the reloc is against read-only section. (elf_i386_size_dynamic_sections): Use DF_TEXTREL flag instead of looking up section names for DT_TEXTREL. (elf_i386_reloc_type_class): New. (elf_backend_reloc_type_class): Define. * elf32-sparc.c (elf32_sparc_check_relocs): Set DF_TEXTREL if the reloc is against read-only section. (elf32_sparc_size_dynamic_sections): Use DF_TEXTREL flag instead of looking up section names for DT_TEXTREL. (elf32_sparc_reloc_type_class): New. (elf_backend_reloc_type_class): Define. * elf64-sparc.c (sparc64_elf_check_relocs): Set DF_TEXTREL if the reloc is against read-only section. (sparc64_elf_size_dynamic_sections): Use DF_TEXTREL flag instead of looking up section names for DT_TEXTREL. (sparc64_elf_reloc_type_class): New. (elf_backend_reloc_type_class): Define. * elfxx-ia64.c (struct elfNN_ia64_link_hash_table): Add reltext field. (elfNN_ia64_hash_table_create): Clear ia64_info. (get_reloc_section): Set DF_TEXTREL if the reloc is against read-only section. (elfNN_ia64_size_dynamic_sections): Use ia64_info->reltext flag instead of looking up section names for DT_TEXTREL. (elfNN_ia64_reloc_type_class): New. (elf_backend_reloc_type_class): Define. * elflink.h (size_dynamic_sections): Add spare DT_NULL tags. (struct elf_link_sort_rela): New. (elf_link_sort_cmp1, elf_link_sort_cmp2, elf_link_sort_relocs): New. (elf_bfd_final_link): Call elf_link_sort_relocs. Convert one spare DT_NULL into DT_RELCOUNT resp. DT_RELACOUNT if necessary. * bfdlink.h (struct bfd_link_info): Add combreloc and spare_dynamic_tags fields. * emultempl/elf32.em (place_orphan): Place orphan .rel* sections into .rel.dyn resp. .rela.dyn if combreloc. (get_script): If .x linker script is equal to .xn, only put it once into the binary. Add .xc and .xsc scripts. (parse_args): Handle -z combreloc and -z nocombreloc. * scripttempl/elf.sc (.rela.sbss): Fix a typo. For .xc and .xsc scripts put all .rel* or .rela* input sections but .rel*.plt and PLT-like sections into .rel.dyn resp. .rela.dyn. * genscripts.sh (GENERATE_COMBRELOC_SCRIPT): Set if SCRIPT_NAME is elf. Strip trailing whitespace from script. Generate .xc and .xsc scripts if requested. * ldmain.c (main): Initialize link_info.combreloc and link_info.spare_dynamic_tags. * lexsup.c (OPTION_SPARE_DYNAMIC_TAGS): Define. (ld_options): Add --spare-dynamic-tags option. (parse_args): Likewise. * ld.texinfo: Document -z combreloc and -z nocombreloc. * ldint.texinfo: Document .xc and .xsc linker scripts. * NEWS: Add notes about -z combreloc and SHF_MERGE.
2001-08-23 15:14:18 +00:00
echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c
fi
echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c
1999-05-03 07:29:11 +00:00
fi
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c
fi
echo ' ; else return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
echo '; }' >> e${EMULATION_NAME}.c
1999-05-03 07:29:11 +00:00
else
# Scripts read from the filesystem.
cat >>e${EMULATION_NAME}.c <<EOF
{
1999-05-03 07:29:11 +00:00
*isfile = 1;
if (link_info.relocateable && config.build_constructors)
1999-05-03 07:29:11 +00:00
return "ldscripts/${EMULATION_NAME}.xu";
else if (link_info.relocateable)
1999-05-03 07:29:11 +00:00
return "ldscripts/${EMULATION_NAME}.xr";
else if (!config.text_read_only)
return "ldscripts/${EMULATION_NAME}.xbn";
else if (!config.magic_demand_paged)
return "ldscripts/${EMULATION_NAME}.xn";
else if (link_info.shared)
return "ldscripts/${EMULATION_NAME}.xs";
else
return "ldscripts/${EMULATION_NAME}.x";
}
EOF
fi
fi
if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then
if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then
if test -n "$PARSE_AND_LIST_PROLOGUE" ; then
cat >>e${EMULATION_NAME}.c <<EOF
$PARSE_AND_LIST_PROLOGUE
EOF
fi
cat >>e${EMULATION_NAME}.c <<EOF
#include "getopt.h"
#define OPTION_DISABLE_NEW_DTAGS (400)
#define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1)
#define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1)
* elf-bfd.h (enum elf_link_info_type): New. (struct bfd_elf_section_data): Remove stab_info and merge_info fields, add sec_info and sec_info_type. (struct elf_obj_tdata): Add eh_frame_hdr field. (_bfd_elf_discard_section_eh_frame): New prototype. (_bfd_elf_discard_section_eh_frame_hdr): Likewise. (_bfd_elf_eh_frame_section_offset): Likewise. (_bfd_elf_write_section_eh_frame): Likewise. (_bfd_elf_write_section_eh_frame_hdr): Likewise. * Makefile.am (BFD32_BACKENDS): Add elf-eh-frame.lo. (BFD32_BACKENDS_CFILES): Add elf-eh-frame.c. (elf-eh-frame.lo): New. * Makefile.in: Rebuilt. * configure.in (elf): Add elf-eh-frame.lo. * configure: Rebuilt. * elf.c (_bfd_elf_print_private_bfd_data): Support PT_GNU_EH_FRAME. (map_sections_to_segments): Create PT_GNU_EH_FRAME if requested. (get_program_header_size): Take into account PT_GNU_EH_FRAME segment. (_bfd_elf_rela_local_sym): Use sec_info_type and sec_info. (_bfd_elf_rel_local_sym): Likewise. (_bfd_elf_section_offset): Likewise. Call _bfd_elf_eh_frame_section_offset too. * elfxx-ia64.c (elfNN_ia64_relocate_section): Use sec_info_type and sec_info. * elf64-alpha.c (elf64_alpha_relocate_section): Likewise. * elf-eh-frame.c: New file. * elflink.h (elf_link_add_object_symbols): Don't optimize SHF_MERGE .stab sections. Set sec_info_type, use sec_info instead of merge_info and stab_info. (elf_link_create_dynamic_sections): Create .eh_frame_hdr section if --eh-frame-hdr. (elf_bfd_final_link): Write .eh_frame_hdr section. (elf_link_sec_merge_syms): Use sec_info_type and sec_info. (elf_link_input_bfd): Likewise. Call _bfd_elf_write_section_eh_frame to write .eh_frame sections. (elf_bfd_discard_info): Add output_bfd argument. Call _bfd_elf_discard_section_eh_frame and _bfd_elf_discard_section_eh_frame_hdr. (elf_section_ignore_discarded_relocs): Use sec_info_type, not section names. * bfd-in.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Adjust prototypes. * bfd-in2.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Likewise. * elf/common.h (PT_GNU_EH_FRAME): Define. * bfdlink.h (struct bfd_link_info): Add eh_frame_hdr field. * emultempl/elf32.em (finish): Supply output_bfd to bfd_elf*_discard_info. (OPTION_EH_FRAME_HDR): Define. (longopts): Add --eh-frame-hdr. (parse_args): Handle it. (list_options): Add --eh-frame-hdr to help. * emultempl/hppaelf.em (finish): Supply output_bfd to bfd_elf*_discard_info. * scripttempl/elf.sc (.eh_frame_hdr): Add. * readelf.c (get_segment_type): Support PT_GNU_EH_FRAME.
2001-12-13 11:09:34 +00:00
#define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1)
static struct option longopts[] =
{
EOF
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
cat >>e${EMULATION_NAME}.c <<EOF
/* getopt allows abbreviations, so we do this to stop it from
treating -d/-e as abbreviations for these options. */
{"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
{"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
{"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
{"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
* elf-bfd.h (enum elf_link_info_type): New. (struct bfd_elf_section_data): Remove stab_info and merge_info fields, add sec_info and sec_info_type. (struct elf_obj_tdata): Add eh_frame_hdr field. (_bfd_elf_discard_section_eh_frame): New prototype. (_bfd_elf_discard_section_eh_frame_hdr): Likewise. (_bfd_elf_eh_frame_section_offset): Likewise. (_bfd_elf_write_section_eh_frame): Likewise. (_bfd_elf_write_section_eh_frame_hdr): Likewise. * Makefile.am (BFD32_BACKENDS): Add elf-eh-frame.lo. (BFD32_BACKENDS_CFILES): Add elf-eh-frame.c. (elf-eh-frame.lo): New. * Makefile.in: Rebuilt. * configure.in (elf): Add elf-eh-frame.lo. * configure: Rebuilt. * elf.c (_bfd_elf_print_private_bfd_data): Support PT_GNU_EH_FRAME. (map_sections_to_segments): Create PT_GNU_EH_FRAME if requested. (get_program_header_size): Take into account PT_GNU_EH_FRAME segment. (_bfd_elf_rela_local_sym): Use sec_info_type and sec_info. (_bfd_elf_rel_local_sym): Likewise. (_bfd_elf_section_offset): Likewise. Call _bfd_elf_eh_frame_section_offset too. * elfxx-ia64.c (elfNN_ia64_relocate_section): Use sec_info_type and sec_info. * elf64-alpha.c (elf64_alpha_relocate_section): Likewise. * elf-eh-frame.c: New file. * elflink.h (elf_link_add_object_symbols): Don't optimize SHF_MERGE .stab sections. Set sec_info_type, use sec_info instead of merge_info and stab_info. (elf_link_create_dynamic_sections): Create .eh_frame_hdr section if --eh-frame-hdr. (elf_bfd_final_link): Write .eh_frame_hdr section. (elf_link_sec_merge_syms): Use sec_info_type and sec_info. (elf_link_input_bfd): Likewise. Call _bfd_elf_write_section_eh_frame to write .eh_frame sections. (elf_bfd_discard_info): Add output_bfd argument. Call _bfd_elf_discard_section_eh_frame and _bfd_elf_discard_section_eh_frame_hdr. (elf_section_ignore_discarded_relocs): Use sec_info_type, not section names. * bfd-in.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Adjust prototypes. * bfd-in2.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Likewise. * elf/common.h (PT_GNU_EH_FRAME): Define. * bfdlink.h (struct bfd_link_info): Add eh_frame_hdr field. * emultempl/elf32.em (finish): Supply output_bfd to bfd_elf*_discard_info. (OPTION_EH_FRAME_HDR): Define. (longopts): Add --eh-frame-hdr. (parse_args): Handle it. (list_options): Add --eh-frame-hdr to help. * emultempl/hppaelf.em (finish): Supply output_bfd to bfd_elf*_discard_info. * scripttempl/elf.sc (.eh_frame_hdr): Add. * readelf.c (get_segment_type): Support PT_GNU_EH_FRAME.
2001-12-13 11:09:34 +00:00
{"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR},
{"Bgroup", no_argument, NULL, OPTION_GROUP},
{"Bgroup", no_argument, NULL, OPTION_GROUP},
EOF
fi
if test -n "$PARSE_AND_LIST_LONGOPTS" ; then
cat >>e${EMULATION_NAME}.c <<EOF
$PARSE_AND_LIST_LONGOPTS
EOF
fi
cat >>e${EMULATION_NAME}.c <<EOF
{NULL, no_argument, NULL, 0}
};
static int gld${EMULATION_NAME}_parse_args PARAMS ((int, char **));
static int
gld${EMULATION_NAME}_parse_args (argc, argv)
int argc;
char ** argv;
{
int longind;
int optc;
static int prevoptind = -1;
int prevopterr = opterr;
int wanterror;
if (prevoptind != optind)
opterr = 0;
wanterror = opterr;
prevoptind = optind;
optc = getopt_long_only (argc, argv,
"-${PARSE_AND_LIST_SHORTOPTS}z:", longopts,
&longind);
opterr = prevopterr;
switch (optc)
{
default:
if (wanterror)
xexit (1);
optind = prevoptind;
return 0;
EOF
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
cat >>e${EMULATION_NAME}.c <<EOF
case OPTION_DISABLE_NEW_DTAGS:
link_info.new_dtags = FALSE;
break;
case OPTION_ENABLE_NEW_DTAGS:
link_info.new_dtags = TRUE;
break;
* elf-bfd.h (enum elf_link_info_type): New. (struct bfd_elf_section_data): Remove stab_info and merge_info fields, add sec_info and sec_info_type. (struct elf_obj_tdata): Add eh_frame_hdr field. (_bfd_elf_discard_section_eh_frame): New prototype. (_bfd_elf_discard_section_eh_frame_hdr): Likewise. (_bfd_elf_eh_frame_section_offset): Likewise. (_bfd_elf_write_section_eh_frame): Likewise. (_bfd_elf_write_section_eh_frame_hdr): Likewise. * Makefile.am (BFD32_BACKENDS): Add elf-eh-frame.lo. (BFD32_BACKENDS_CFILES): Add elf-eh-frame.c. (elf-eh-frame.lo): New. * Makefile.in: Rebuilt. * configure.in (elf): Add elf-eh-frame.lo. * configure: Rebuilt. * elf.c (_bfd_elf_print_private_bfd_data): Support PT_GNU_EH_FRAME. (map_sections_to_segments): Create PT_GNU_EH_FRAME if requested. (get_program_header_size): Take into account PT_GNU_EH_FRAME segment. (_bfd_elf_rela_local_sym): Use sec_info_type and sec_info. (_bfd_elf_rel_local_sym): Likewise. (_bfd_elf_section_offset): Likewise. Call _bfd_elf_eh_frame_section_offset too. * elfxx-ia64.c (elfNN_ia64_relocate_section): Use sec_info_type and sec_info. * elf64-alpha.c (elf64_alpha_relocate_section): Likewise. * elf-eh-frame.c: New file. * elflink.h (elf_link_add_object_symbols): Don't optimize SHF_MERGE .stab sections. Set sec_info_type, use sec_info instead of merge_info and stab_info. (elf_link_create_dynamic_sections): Create .eh_frame_hdr section if --eh-frame-hdr. (elf_bfd_final_link): Write .eh_frame_hdr section. (elf_link_sec_merge_syms): Use sec_info_type and sec_info. (elf_link_input_bfd): Likewise. Call _bfd_elf_write_section_eh_frame to write .eh_frame sections. (elf_bfd_discard_info): Add output_bfd argument. Call _bfd_elf_discard_section_eh_frame and _bfd_elf_discard_section_eh_frame_hdr. (elf_section_ignore_discarded_relocs): Use sec_info_type, not section names. * bfd-in.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Adjust prototypes. * bfd-in2.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Likewise. * elf/common.h (PT_GNU_EH_FRAME): Define. * bfdlink.h (struct bfd_link_info): Add eh_frame_hdr field. * emultempl/elf32.em (finish): Supply output_bfd to bfd_elf*_discard_info. (OPTION_EH_FRAME_HDR): Define. (longopts): Add --eh-frame-hdr. (parse_args): Handle it. (list_options): Add --eh-frame-hdr to help. * emultempl/hppaelf.em (finish): Supply output_bfd to bfd_elf*_discard_info. * scripttempl/elf.sc (.eh_frame_hdr): Add. * readelf.c (get_segment_type): Support PT_GNU_EH_FRAME.
2001-12-13 11:09:34 +00:00
case OPTION_EH_FRAME_HDR:
link_info.eh_frame_hdr = TRUE;
* elf-bfd.h (enum elf_link_info_type): New. (struct bfd_elf_section_data): Remove stab_info and merge_info fields, add sec_info and sec_info_type. (struct elf_obj_tdata): Add eh_frame_hdr field. (_bfd_elf_discard_section_eh_frame): New prototype. (_bfd_elf_discard_section_eh_frame_hdr): Likewise. (_bfd_elf_eh_frame_section_offset): Likewise. (_bfd_elf_write_section_eh_frame): Likewise. (_bfd_elf_write_section_eh_frame_hdr): Likewise. * Makefile.am (BFD32_BACKENDS): Add elf-eh-frame.lo. (BFD32_BACKENDS_CFILES): Add elf-eh-frame.c. (elf-eh-frame.lo): New. * Makefile.in: Rebuilt. * configure.in (elf): Add elf-eh-frame.lo. * configure: Rebuilt. * elf.c (_bfd_elf_print_private_bfd_data): Support PT_GNU_EH_FRAME. (map_sections_to_segments): Create PT_GNU_EH_FRAME if requested. (get_program_header_size): Take into account PT_GNU_EH_FRAME segment. (_bfd_elf_rela_local_sym): Use sec_info_type and sec_info. (_bfd_elf_rel_local_sym): Likewise. (_bfd_elf_section_offset): Likewise. Call _bfd_elf_eh_frame_section_offset too. * elfxx-ia64.c (elfNN_ia64_relocate_section): Use sec_info_type and sec_info. * elf64-alpha.c (elf64_alpha_relocate_section): Likewise. * elf-eh-frame.c: New file. * elflink.h (elf_link_add_object_symbols): Don't optimize SHF_MERGE .stab sections. Set sec_info_type, use sec_info instead of merge_info and stab_info. (elf_link_create_dynamic_sections): Create .eh_frame_hdr section if --eh-frame-hdr. (elf_bfd_final_link): Write .eh_frame_hdr section. (elf_link_sec_merge_syms): Use sec_info_type and sec_info. (elf_link_input_bfd): Likewise. Call _bfd_elf_write_section_eh_frame to write .eh_frame sections. (elf_bfd_discard_info): Add output_bfd argument. Call _bfd_elf_discard_section_eh_frame and _bfd_elf_discard_section_eh_frame_hdr. (elf_section_ignore_discarded_relocs): Use sec_info_type, not section names. * bfd-in.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Adjust prototypes. * bfd-in2.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Likewise. * elf/common.h (PT_GNU_EH_FRAME): Define. * bfdlink.h (struct bfd_link_info): Add eh_frame_hdr field. * emultempl/elf32.em (finish): Supply output_bfd to bfd_elf*_discard_info. (OPTION_EH_FRAME_HDR): Define. (longopts): Add --eh-frame-hdr. (parse_args): Handle it. (list_options): Add --eh-frame-hdr to help. * emultempl/hppaelf.em (finish): Supply output_bfd to bfd_elf*_discard_info. * scripttempl/elf.sc (.eh_frame_hdr): Add. * readelf.c (get_segment_type): Support PT_GNU_EH_FRAME.
2001-12-13 11:09:34 +00:00
break;
case OPTION_GROUP:
link_info.flags_1 |= (bfd_vma) DF_1_GROUP;
/* Groups must be self-contained. */
link_info.no_undefined = TRUE;
break;
case 'z':
if (strcmp (optarg, "initfirst") == 0)
link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
else if (strcmp (optarg, "interpose") == 0)
link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE;
else if (strcmp (optarg, "loadfltr") == 0)
link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR;
else if (strcmp (optarg, "nodefaultlib") == 0)
link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB;
else if (strcmp (optarg, "nodelete") == 0)
link_info.flags_1 |= (bfd_vma) DF_1_NODELETE;
else if (strcmp (optarg, "nodlopen") == 0)
link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN;
else if (strcmp (optarg, "nodump") == 0)
link_info.flags_1 |= (bfd_vma) DF_1_NODUMP;
else if (strcmp (optarg, "now") == 0)
{
link_info.flags |= (bfd_vma) DF_BIND_NOW;
link_info.flags_1 |= (bfd_vma) DF_1_NOW;
}
else if (strcmp (optarg, "origin") == 0)
{
link_info.flags |= (bfd_vma) DF_ORIGIN;
link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN;
}
else if (strcmp (optarg, "defs") == 0)
link_info.no_undefined = TRUE;
else if (strcmp (optarg, "muldefs") == 0)
link_info.allow_multiple_definition = TRUE;
* elf-bfd.h (enum elf_reloc_type_class): New. (struct elf_backend_data): Add elf_backend_reloc_type_class. (_bfd_elf_reloc_type_class): New. * elfxx-target.h (elf_backend_reloc_type_class): Define. (elfNN_bed): Add elf_backend_reloc_type_class. * elf.c (_bfd_elf_reloc_type_class): New. * elf32-i386.c (elf_i386_check_relocs): Set DF_TEXTREL if the reloc is against read-only section. (elf_i386_size_dynamic_sections): Use DF_TEXTREL flag instead of looking up section names for DT_TEXTREL. (elf_i386_reloc_type_class): New. (elf_backend_reloc_type_class): Define. * elf32-sparc.c (elf32_sparc_check_relocs): Set DF_TEXTREL if the reloc is against read-only section. (elf32_sparc_size_dynamic_sections): Use DF_TEXTREL flag instead of looking up section names for DT_TEXTREL. (elf32_sparc_reloc_type_class): New. (elf_backend_reloc_type_class): Define. * elf64-sparc.c (sparc64_elf_check_relocs): Set DF_TEXTREL if the reloc is against read-only section. (sparc64_elf_size_dynamic_sections): Use DF_TEXTREL flag instead of looking up section names for DT_TEXTREL. (sparc64_elf_reloc_type_class): New. (elf_backend_reloc_type_class): Define. * elfxx-ia64.c (struct elfNN_ia64_link_hash_table): Add reltext field. (elfNN_ia64_hash_table_create): Clear ia64_info. (get_reloc_section): Set DF_TEXTREL if the reloc is against read-only section. (elfNN_ia64_size_dynamic_sections): Use ia64_info->reltext flag instead of looking up section names for DT_TEXTREL. (elfNN_ia64_reloc_type_class): New. (elf_backend_reloc_type_class): Define. * elflink.h (size_dynamic_sections): Add spare DT_NULL tags. (struct elf_link_sort_rela): New. (elf_link_sort_cmp1, elf_link_sort_cmp2, elf_link_sort_relocs): New. (elf_bfd_final_link): Call elf_link_sort_relocs. Convert one spare DT_NULL into DT_RELCOUNT resp. DT_RELACOUNT if necessary. * bfdlink.h (struct bfd_link_info): Add combreloc and spare_dynamic_tags fields. * emultempl/elf32.em (place_orphan): Place orphan .rel* sections into .rel.dyn resp. .rela.dyn if combreloc. (get_script): If .x linker script is equal to .xn, only put it once into the binary. Add .xc and .xsc scripts. (parse_args): Handle -z combreloc and -z nocombreloc. * scripttempl/elf.sc (.rela.sbss): Fix a typo. For .xc and .xsc scripts put all .rel* or .rela* input sections but .rel*.plt and PLT-like sections into .rel.dyn resp. .rela.dyn. * genscripts.sh (GENERATE_COMBRELOC_SCRIPT): Set if SCRIPT_NAME is elf. Strip trailing whitespace from script. Generate .xc and .xsc scripts if requested. * ldmain.c (main): Initialize link_info.combreloc and link_info.spare_dynamic_tags. * lexsup.c (OPTION_SPARE_DYNAMIC_TAGS): Define. (ld_options): Add --spare-dynamic-tags option. (parse_args): Likewise. * ld.texinfo: Document -z combreloc and -z nocombreloc. * ldint.texinfo: Document .xc and .xsc linker scripts. * NEWS: Add notes about -z combreloc and SHF_MERGE.
2001-08-23 15:14:18 +00:00
else if (strcmp (optarg, "combreloc") == 0)
link_info.combreloc = TRUE;
* elf-bfd.h (enum elf_reloc_type_class): New. (struct elf_backend_data): Add elf_backend_reloc_type_class. (_bfd_elf_reloc_type_class): New. * elfxx-target.h (elf_backend_reloc_type_class): Define. (elfNN_bed): Add elf_backend_reloc_type_class. * elf.c (_bfd_elf_reloc_type_class): New. * elf32-i386.c (elf_i386_check_relocs): Set DF_TEXTREL if the reloc is against read-only section. (elf_i386_size_dynamic_sections): Use DF_TEXTREL flag instead of looking up section names for DT_TEXTREL. (elf_i386_reloc_type_class): New. (elf_backend_reloc_type_class): Define. * elf32-sparc.c (elf32_sparc_check_relocs): Set DF_TEXTREL if the reloc is against read-only section. (elf32_sparc_size_dynamic_sections): Use DF_TEXTREL flag instead of looking up section names for DT_TEXTREL. (elf32_sparc_reloc_type_class): New. (elf_backend_reloc_type_class): Define. * elf64-sparc.c (sparc64_elf_check_relocs): Set DF_TEXTREL if the reloc is against read-only section. (sparc64_elf_size_dynamic_sections): Use DF_TEXTREL flag instead of looking up section names for DT_TEXTREL. (sparc64_elf_reloc_type_class): New. (elf_backend_reloc_type_class): Define. * elfxx-ia64.c (struct elfNN_ia64_link_hash_table): Add reltext field. (elfNN_ia64_hash_table_create): Clear ia64_info. (get_reloc_section): Set DF_TEXTREL if the reloc is against read-only section. (elfNN_ia64_size_dynamic_sections): Use ia64_info->reltext flag instead of looking up section names for DT_TEXTREL. (elfNN_ia64_reloc_type_class): New. (elf_backend_reloc_type_class): Define. * elflink.h (size_dynamic_sections): Add spare DT_NULL tags. (struct elf_link_sort_rela): New. (elf_link_sort_cmp1, elf_link_sort_cmp2, elf_link_sort_relocs): New. (elf_bfd_final_link): Call elf_link_sort_relocs. Convert one spare DT_NULL into DT_RELCOUNT resp. DT_RELACOUNT if necessary. * bfdlink.h (struct bfd_link_info): Add combreloc and spare_dynamic_tags fields. * emultempl/elf32.em (place_orphan): Place orphan .rel* sections into .rel.dyn resp. .rela.dyn if combreloc. (get_script): If .x linker script is equal to .xn, only put it once into the binary. Add .xc and .xsc scripts. (parse_args): Handle -z combreloc and -z nocombreloc. * scripttempl/elf.sc (.rela.sbss): Fix a typo. For .xc and .xsc scripts put all .rel* or .rela* input sections but .rel*.plt and PLT-like sections into .rel.dyn resp. .rela.dyn. * genscripts.sh (GENERATE_COMBRELOC_SCRIPT): Set if SCRIPT_NAME is elf. Strip trailing whitespace from script. Generate .xc and .xsc scripts if requested. * ldmain.c (main): Initialize link_info.combreloc and link_info.spare_dynamic_tags. * lexsup.c (OPTION_SPARE_DYNAMIC_TAGS): Define. (ld_options): Add --spare-dynamic-tags option. (parse_args): Likewise. * ld.texinfo: Document -z combreloc and -z nocombreloc. * ldint.texinfo: Document .xc and .xsc linker scripts. * NEWS: Add notes about -z combreloc and SHF_MERGE.
2001-08-23 15:14:18 +00:00
else if (strcmp (optarg, "nocombreloc") == 0)
link_info.combreloc = FALSE;
2001-10-03 15:11:48 +00:00
else if (strcmp (optarg, "nocopyreloc") == 0)
link_info.nocopyreloc = TRUE;
/* What about the other Solaris -z options? FIXME. */
break;
EOF
fi
if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then
cat >>e${EMULATION_NAME}.c <<EOF
$PARSE_AND_LIST_ARGS_CASES
EOF
fi
cat >>e${EMULATION_NAME}.c <<EOF
}
return 1;
}
EOF
fi
if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
cat >>e${EMULATION_NAME}.c <<EOF
static void gld${EMULATION_NAME}_list_options PARAMS ((FILE * file));
static void
gld${EMULATION_NAME}_list_options (file)
FILE * file;
{
EOF
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
cat >>e${EMULATION_NAME}.c <<EOF
fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n"));
fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n"));
fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n"));
* elf-bfd.h (enum elf_link_info_type): New. (struct bfd_elf_section_data): Remove stab_info and merge_info fields, add sec_info and sec_info_type. (struct elf_obj_tdata): Add eh_frame_hdr field. (_bfd_elf_discard_section_eh_frame): New prototype. (_bfd_elf_discard_section_eh_frame_hdr): Likewise. (_bfd_elf_eh_frame_section_offset): Likewise. (_bfd_elf_write_section_eh_frame): Likewise. (_bfd_elf_write_section_eh_frame_hdr): Likewise. * Makefile.am (BFD32_BACKENDS): Add elf-eh-frame.lo. (BFD32_BACKENDS_CFILES): Add elf-eh-frame.c. (elf-eh-frame.lo): New. * Makefile.in: Rebuilt. * configure.in (elf): Add elf-eh-frame.lo. * configure: Rebuilt. * elf.c (_bfd_elf_print_private_bfd_data): Support PT_GNU_EH_FRAME. (map_sections_to_segments): Create PT_GNU_EH_FRAME if requested. (get_program_header_size): Take into account PT_GNU_EH_FRAME segment. (_bfd_elf_rela_local_sym): Use sec_info_type and sec_info. (_bfd_elf_rel_local_sym): Likewise. (_bfd_elf_section_offset): Likewise. Call _bfd_elf_eh_frame_section_offset too. * elfxx-ia64.c (elfNN_ia64_relocate_section): Use sec_info_type and sec_info. * elf64-alpha.c (elf64_alpha_relocate_section): Likewise. * elf-eh-frame.c: New file. * elflink.h (elf_link_add_object_symbols): Don't optimize SHF_MERGE .stab sections. Set sec_info_type, use sec_info instead of merge_info and stab_info. (elf_link_create_dynamic_sections): Create .eh_frame_hdr section if --eh-frame-hdr. (elf_bfd_final_link): Write .eh_frame_hdr section. (elf_link_sec_merge_syms): Use sec_info_type and sec_info. (elf_link_input_bfd): Likewise. Call _bfd_elf_write_section_eh_frame to write .eh_frame sections. (elf_bfd_discard_info): Add output_bfd argument. Call _bfd_elf_discard_section_eh_frame and _bfd_elf_discard_section_eh_frame_hdr. (elf_section_ignore_discarded_relocs): Use sec_info_type, not section names. * bfd-in.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Adjust prototypes. * bfd-in2.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Likewise. * elf/common.h (PT_GNU_EH_FRAME): Define. * bfdlink.h (struct bfd_link_info): Add eh_frame_hdr field. * emultempl/elf32.em (finish): Supply output_bfd to bfd_elf*_discard_info. (OPTION_EH_FRAME_HDR): Define. (longopts): Add --eh-frame-hdr. (parse_args): Handle it. (list_options): Add --eh-frame-hdr to help. * emultempl/hppaelf.em (finish): Supply output_bfd to bfd_elf*_discard_info. * scripttempl/elf.sc (.eh_frame_hdr): Add. * readelf.c (get_segment_type): Support PT_GNU_EH_FRAME.
2001-12-13 11:09:34 +00:00
fprintf (file, _(" --eh-frame-hdr\tCreate .eh_frame_hdr section\n"));
fprintf (file, _(" -z combreloc\t\tMerge dynamic relocs into one section and sort\n"));
fprintf (file, _(" -z defs\t\tDisallows undefined symbols\n"));
fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n"));
fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n"));
fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n"));
fprintf (file, _(" -z muldefs\t\tAllow multiple definitions\n"));
fprintf (file, _(" -z nocombreloc\tDon't merge dynamic relocs into one section\n"));
fprintf (file, _(" -z nocopyreloc\tDon't create copy relocs\n"));
fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n"));
fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n"));
fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n"));
fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n"));
fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n"));
hash bfd sections for fast lookup and create. bfd/ChangeLog * bfd.c (struct _bfd): Add section_htab, section_tail. * libbfd-in.h (_bfd_delete_bfd): Declare. (bfd_section_hash_newfunc): Declare. * opncls.c (_bfd_new_bfd): Free memory on failure. Init section_htab and section_tail. (_bfd_delete_bfd): New function. (bfd_openr): Use it. (bfd_fdopenr): Likewise. (bfd_openstreamr): Likewise. (bfd_openw): Likewise. (bfd_close): Likewise. (bfd_close_all_done): Likewise. (bfd_release): Comment. * section.c (struct section_hash_entry): New. (bfd_section_hash_newfunc): New function. (section_hash_lookup): Define. (bfd_section_init): New function, split out from bfd_make_section_anyway. (bfd_get_section_by_name): Lookup via hash table. (bfd_get_unique_section_name): Likewise. (bfd_make_section_old_way): Rewrite to use hash table. (bfd_make_section_anyway): Likewise. (bfd_make_section): Likewise. Return NULL for attempts to make BFD_{ABS,COM,UND,IND}_SECTION_NAME. (_bfd_strip_section_from_output): Adjust section_tail if needed. * configure.in: Bump bfd version. * configure: Regenerate. * libbfd.h: Regenerate. * bfd-in2.h: Regenerate. ld/ChangeLog * emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Adjust section_tail when fiddling with section list. (gld${EMULATION_NAME}_list_options): Ensure sentences aren't broken into separate strings to make translation easier. * emultempl/mmo.em (mmo_place_orphan): Adjust section_tail when fiddling with section list. * emultempl/pe.em (gld_${EMULATION_NAME}_place_orphan): Likewise.
2001-12-17 00:40:53 +00:00
fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n\t\t\t at runtime\n"));
fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n"));
EOF
fi
if test -n "$PARSE_AND_LIST_OPTIONS" ; then
cat >>e${EMULATION_NAME}.c <<EOF
$PARSE_AND_LIST_OPTIONS
EOF
fi
cat >>e${EMULATION_NAME}.c <<EOF
}
EOF
if test -n "$PARSE_AND_LIST_EPILOGUE" ; then
cat >>e${EMULATION_NAME}.c <<EOF
$PARSE_AND_LIST_EPILOGUE
EOF
fi
fi
else
if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then
cat >>e${EMULATION_NAME}.c <<EOF
#define gld${EMULATION_NAME}_parse_args NULL
EOF
fi
if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
cat >>e${EMULATION_NAME}.c <<EOF
#define gld${EMULATION_NAME}_list_options NULL
EOF
fi
fi
1999-05-03 07:29:11 +00:00
cat >>e${EMULATION_NAME}.c <<EOF
struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
1999-05-03 07:29:11 +00:00
{
${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse},
${LDEMUL_SYSLIB-syslib_default},
${LDEMUL_HLL-hll_default},
${LDEMUL_AFTER_PARSE-after_parse_default},
${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open},
${LDEMUL_AFTER_ALLOCATION-after_allocation_default},
${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation},
${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script},
1999-05-03 07:29:11 +00:00
"${EMULATION_NAME}",
"${OUTPUT_FORMAT}",
${LDEMUL_FINISH-gld${EMULATION_NAME}_finish},
${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL},
${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive},
${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan},
${LDEMUL_SET_SYMBOLS-NULL},
${LDEMUL_PARSE_ARGS-gld${EMULATION_NAME}_parse_args},
${LDEMUL_UNRECOGNIZED_FILE-NULL},
${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options},
${LDEMUL_RECOGNIZED_FILE-NULL},
${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL},
${LDEMUL_NEW_VERS_PATTERN-NULL}
1999-05-03 07:29:11 +00:00
};
EOF