# This shell script emits a C file. -*- C -*-
|
# This shell script emits a C file. -*- C -*-
|
# It does some substitutions.
|
# It does some substitutions.
|
# This file is now misnamed, because it supports both 32 bit and 64 bit
|
# This file is now misnamed, because it supports both 32 bit and 64 bit
|
# ELF emulations.
|
# ELF emulations.
|
test -z "${ELFSIZE}" && ELFSIZE=32
|
test -z "${ELFSIZE}" && ELFSIZE=32
|
if [ -z "$MACHINE" ]; then
|
if [ -z "$MACHINE" ]; then
|
OUTPUT_ARCH=${ARCH}
|
OUTPUT_ARCH=${ARCH}
|
else
|
else
|
OUTPUT_ARCH=${ARCH}:${MACHINE}
|
OUTPUT_ARCH=${ARCH}:${MACHINE}
|
fi
|
fi
|
fragment <
|
fragment <
|
/* This file is is generated by a shell script. DO NOT EDIT! */
|
/* This file is is generated by a shell script. DO NOT EDIT! */
|
|
|
/* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME}
|
/* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME}
|
Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
|
Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
|
2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
|
2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
|
Written by Steve Chamberlain
|
Written by Steve Chamberlain
|
ELF support by Ian Lance Taylor
|
ELF support by Ian Lance Taylor
|
|
|
This file is part of the GNU Binutils.
|
This file is part of the GNU Binutils.
|
|
|
This program is free software; you can redistribute it and/or modify
|
This program is free software; you can redistribute it and/or modify
|
it under the terms of the GNU General Public License as published by
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 3 of the License, or
|
the Free Software Foundation; either version 3 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software
|
along with this program; if not, write to the Free Software
|
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
MA 02110-1301, USA. */
|
MA 02110-1301, USA. */
|
|
|
#define TARGET_IS_${EMULATION_NAME}
|
#define TARGET_IS_${EMULATION_NAME}
|
|
|
#include "sysdep.h"
|
#include "sysdep.h"
|
#include "bfd.h"
|
#include "bfd.h"
|
#include "libiberty.h"
|
#include "libiberty.h"
|
#include "safe-ctype.h"
|
#include "safe-ctype.h"
|
#include "getopt.h"
|
#include "getopt.h"
|
#include "md5.h"
|
#include "md5.h"
|
#include "sha1.h"
|
#include "sha1.h"
|
#include
|
#include
|
|
|
#include "bfdlink.h"
|
#include "bfdlink.h"
|
|
|
#include "ld.h"
|
#include "ld.h"
|
#include "ldmain.h"
|
#include "ldmain.h"
|
#include "ldmisc.h"
|
#include "ldmisc.h"
|
#include "ldexp.h"
|
#include "ldexp.h"
|
#include "ldlang.h"
|
#include "ldlang.h"
|
#include "ldfile.h"
|
#include "ldfile.h"
|
#include "ldemul.h"
|
#include "ldemul.h"
|
#include
|
#include
|
#include "elf/common.h"
|
#include "elf/common.h"
|
#include "elf-bfd.h"
|
#include "elf-bfd.h"
|
|
|
/* Declare functions used by various EXTRA_EM_FILEs. */
|
/* Declare functions used by various EXTRA_EM_FILEs. */
|
static void gld${EMULATION_NAME}_before_parse (void);
|
static void gld${EMULATION_NAME}_before_parse (void);
|
static void gld${EMULATION_NAME}_after_open (void);
|
static void gld${EMULATION_NAME}_after_open (void);
|
static void gld${EMULATION_NAME}_before_allocation (void);
|
static void gld${EMULATION_NAME}_before_allocation (void);
|
static bfd_boolean gld${EMULATION_NAME}_place_orphan (asection *s);
|
static bfd_boolean gld${EMULATION_NAME}_place_orphan (asection *s);
|
static void gld${EMULATION_NAME}_finish (void);
|
static void gld${EMULATION_NAME}_finish (void);
|
|
|
EOF
|
EOF
|
|
|
if [ "x${USE_LIBPATH}" = xyes ] ; then
|
if [ "x${USE_LIBPATH}" = xyes ] ; then
|
case ${target} in
|
case ${target} in
|
*-*-linux-* | *-*-k*bsd*-*)
|
*-*-linux-* | *-*-k*bsd*-*)
|
fragment <
|
fragment <
|
#ifdef HAVE_GLOB
|
#ifdef HAVE_GLOB
|
#include
|
#include
|
#endif
|
#endif
|
EOF
|
EOF
|
;;
|
;;
|
esac
|
esac
|
fi
|
fi
|
|
|
# Import any needed special functions and/or overrides.
|
# Import any needed special functions and/or overrides.
|
#
|
#
|
source_em ${srcdir}/emultempl/elf-generic.em
|
source_em ${srcdir}/emultempl/elf-generic.em
|
if test -n "$EXTRA_EM_FILE" ; then
|
if test -n "$EXTRA_EM_FILE" ; then
|
source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
|
source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
|
fi
|
fi
|
|
|
# Functions in this file can be overridden by setting the LDEMUL_* shell
|
# 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
|
# 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.
|
# defined in this file, then don't output this file's version.
|
# If a different overriding name is given then output the standard function
|
# If a different overriding name is given then output the standard function
|
# as presumably it is called from the overriding function.
|
# as presumably it is called from the overriding function.
|
#
|
#
|
if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then
|
if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then
|
fragment <
|
fragment <
|
|
|
static void
|
static void
|
gld${EMULATION_NAME}_before_parse (void)
|
gld${EMULATION_NAME}_before_parse (void)
|
{
|
{
|
ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
|
ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
|
config.dynamic_link = ${DYNAMIC_LINK-TRUE};
|
config.dynamic_link = ${DYNAMIC_LINK-TRUE};
|
config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
|
config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
|
}
|
}
|
|
|
EOF
|
EOF
|
fi
|
fi
|
|
|
if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then
|
if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then
|
fragment <
|
fragment <
|
/* Handle as_needed DT_NEEDED. */
|
/* Handle as_needed DT_NEEDED. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry)
|
gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry)
|
{
|
{
|
int class = 0;
|
int class = 0;
|
|
|
/* Tell the ELF linker that we don't want the output file to have a
|
/* Tell the ELF linker that we don't want the output file to have a
|
DT_NEEDED entry for this file, unless it is used to resolve
|
DT_NEEDED entry for this file, unless it is used to resolve
|
references in a regular object. */
|
references in a regular object. */
|
if (entry->as_needed)
|
if (entry->as_needed)
|
class = DYN_AS_NEEDED;
|
class = DYN_AS_NEEDED;
|
|
|
/* Tell the ELF linker that we don't want the output file to have a
|
/* Tell the ELF linker that we don't want the output file to have a
|
DT_NEEDED entry for any dynamic library in DT_NEEDED tags from
|
DT_NEEDED entry for any dynamic library in DT_NEEDED tags from
|
this file at all. */
|
this file at all. */
|
if (!entry->add_needed)
|
if (!entry->add_needed)
|
class |= DYN_NO_ADD_NEEDED;
|
class |= DYN_NO_ADD_NEEDED;
|
|
|
if (entry->just_syms_flag
|
if (entry->just_syms_flag
|
&& (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) != 0)
|
&& (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) != 0)
|
einfo (_("%P%F: --just-symbols may not be used on DSO: %B\n"),
|
einfo (_("%P%F: --just-symbols may not be used on DSO: %B\n"),
|
entry->the_bfd);
|
entry->the_bfd);
|
|
|
if (!class
|
if (!class
|
|| (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0)
|
|| (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0)
|
return FALSE;
|
return FALSE;
|
|
|
bfd_elf_set_dyn_lib_class (entry->the_bfd, class);
|
bfd_elf_set_dyn_lib_class (entry->the_bfd, class);
|
|
|
/* Continue on with normal load_symbols processing. */
|
/* Continue on with normal load_symbols processing. */
|
return FALSE;
|
return FALSE;
|
}
|
}
|
EOF
|
EOF
|
fi
|
fi
|
|
|
fragment <
|
fragment <
|
|
|
/* These variables are required to pass information back and forth
|
/* These variables are required to pass information back and forth
|
between after_open and check_needed and stat_needed and vercheck. */
|
between after_open and check_needed and stat_needed and vercheck. */
|
|
|
static struct bfd_link_needed_list *global_needed;
|
static struct bfd_link_needed_list *global_needed;
|
static struct stat global_stat;
|
static struct stat global_stat;
|
static lang_input_statement_type *global_found;
|
static lang_input_statement_type *global_found;
|
static struct bfd_link_needed_list *global_vercheck_needed;
|
static struct bfd_link_needed_list *global_vercheck_needed;
|
static bfd_boolean global_vercheck_failed;
|
static bfd_boolean global_vercheck_failed;
|
|
|
|
|
/* On Linux, it's possible to have different versions of the same
|
/* On Linux, it's possible to have different versions of the same
|
shared library linked against different versions of libc. The
|
shared library linked against different versions of libc. The
|
dynamic linker somehow tags which libc version to use in
|
dynamic linker somehow tags which libc version to use in
|
/etc/ld.so.cache, and, based on the libc that it sees in the
|
/etc/ld.so.cache, and, based on the libc that it sees in the
|
executable, chooses which version of the shared library to use.
|
executable, chooses which version of the shared library to use.
|
|
|
We try to do a similar check here by checking whether this shared
|
We try to do a similar check here by checking whether this shared
|
library needs any other shared libraries which may conflict with
|
library needs any other shared libraries which may conflict with
|
libraries we have already included in the link. If it does, we
|
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
|
skip it, and try to find another shared library farther on down the
|
link path.
|
link path.
|
|
|
This is called via lang_for_each_input_file.
|
This is called via lang_for_each_input_file.
|
GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object
|
GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object
|
which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find
|
which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find
|
a conflicting version. */
|
a conflicting version. */
|
|
|
static void
|
static void
|
gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s)
|
gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s)
|
{
|
{
|
const char *soname;
|
const char *soname;
|
struct bfd_link_needed_list *l;
|
struct bfd_link_needed_list *l;
|
|
|
if (global_vercheck_failed)
|
if (global_vercheck_failed)
|
return;
|
return;
|
if (s->the_bfd == NULL
|
if (s->the_bfd == NULL
|
|| (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0)
|
|| (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0)
|
return;
|
return;
|
|
|
soname = bfd_elf_get_dt_soname (s->the_bfd);
|
soname = bfd_elf_get_dt_soname (s->the_bfd);
|
if (soname == NULL)
|
if (soname == NULL)
|
soname = lbasename (bfd_get_filename (s->the_bfd));
|
soname = lbasename (bfd_get_filename (s->the_bfd));
|
|
|
for (l = global_vercheck_needed; l != NULL; l = l->next)
|
for (l = global_vercheck_needed; l != NULL; l = l->next)
|
{
|
{
|
const char *suffix;
|
const char *suffix;
|
|
|
if (strcmp (soname, l->name) == 0)
|
if (strcmp (soname, l->name) == 0)
|
{
|
{
|
/* Probably can't happen, but it's an easy check. */
|
/* Probably can't happen, but it's an easy check. */
|
continue;
|
continue;
|
}
|
}
|
|
|
if (strchr (l->name, '/') != NULL)
|
if (strchr (l->name, '/') != NULL)
|
continue;
|
continue;
|
|
|
suffix = strstr (l->name, ".so.");
|
suffix = strstr (l->name, ".so.");
|
if (suffix == NULL)
|
if (suffix == NULL)
|
continue;
|
continue;
|
|
|
suffix += sizeof ".so." - 1;
|
suffix += sizeof ".so." - 1;
|
|
|
if (strncmp (soname, l->name, suffix - l->name) == 0)
|
if (strncmp (soname, l->name, suffix - l->name) == 0)
|
{
|
{
|
/* Here we know that S is a dynamic object FOO.SO.VER1, and
|
/* Here we know that S is a dynamic object FOO.SO.VER1, and
|
the object we are considering needs a dynamic object
|
the object we are considering needs a dynamic object
|
FOO.SO.VER2, and VER1 and VER2 are different. This
|
FOO.SO.VER2, and VER1 and VER2 are different. This
|
appears to be a version mismatch, so we tell the caller
|
appears to be a version mismatch, so we tell the caller
|
to try a different version of this library. */
|
to try a different version of this library. */
|
global_vercheck_failed = TRUE;
|
global_vercheck_failed = TRUE;
|
return;
|
return;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
|
|
/* See if an input file matches a DT_NEEDED entry by running stat on
|
/* See if an input file matches a DT_NEEDED entry by running stat on
|
the file. */
|
the file. */
|
|
|
static void
|
static void
|
gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s)
|
gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s)
|
{
|
{
|
struct stat st;
|
struct stat st;
|
const char *suffix;
|
const char *suffix;
|
const char *soname;
|
const char *soname;
|
|
|
if (global_found != NULL)
|
if (global_found != NULL)
|
return;
|
return;
|
if (s->the_bfd == NULL)
|
if (s->the_bfd == NULL)
|
return;
|
return;
|
|
|
/* If this input file was an as-needed entry, and wasn't found to be
|
/* If this input file was an as-needed entry, and wasn't found to be
|
needed at the stage it was linked, then don't say we have loaded it. */
|
needed at the stage it was linked, then don't say we have loaded it. */
|
if ((bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)
|
if ((bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)
|
return;
|
return;
|
|
|
if (bfd_stat (s->the_bfd, &st) != 0)
|
if (bfd_stat (s->the_bfd, &st) != 0)
|
{
|
{
|
einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd);
|
einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd);
|
return;
|
return;
|
}
|
}
|
|
|
/* Some operating systems, e.g. Windows, do not provide a meaningful
|
/* Some operating systems, e.g. Windows, do not provide a meaningful
|
st_ino; they always set it to zero. (Windows does provide a
|
st_ino; they always set it to zero. (Windows does provide a
|
meaningful st_dev.) Do not indicate a duplicate library in that
|
meaningful st_dev.) Do not indicate a duplicate library in that
|
case. While there is no guarantee that a system that provides
|
case. While there is no guarantee that a system that provides
|
meaningful inode numbers will never set st_ino to zero, this is
|
meaningful inode numbers will never set st_ino to zero, this is
|
merely an optimization, so we do not need to worry about false
|
merely an optimization, so we do not need to worry about false
|
negatives. */
|
negatives. */
|
if (st.st_dev == global_stat.st_dev
|
if (st.st_dev == global_stat.st_dev
|
&& st.st_ino == global_stat.st_ino
|
&& st.st_ino == global_stat.st_ino
|
&& st.st_ino != 0)
|
&& st.st_ino != 0)
|
{
|
{
|
global_found = s;
|
global_found = s;
|
return;
|
return;
|
}
|
}
|
|
|
/* We issue a warning if it looks like we are including two
|
/* We issue a warning if it looks like we are including two
|
different versions of the same shared library. For example,
|
different versions of the same shared library. For example,
|
there may be a problem if -lc picks up libc.so.6 but some other
|
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
|
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
|
heuristic test, and it will only work if the name looks like
|
NAME.so.VERSION. FIXME: Depending on file names is error-prone.
|
NAME.so.VERSION. FIXME: Depending on file names is error-prone.
|
If we really want to issue warnings about mixing version numbers
|
If we really want to issue warnings about mixing version numbers
|
of shared libraries, we need to find a better way. */
|
of shared libraries, we need to find a better way. */
|
|
|
if (strchr (global_needed->name, '/') != NULL)
|
if (strchr (global_needed->name, '/') != NULL)
|
return;
|
return;
|
suffix = strstr (global_needed->name, ".so.");
|
suffix = strstr (global_needed->name, ".so.");
|
if (suffix == NULL)
|
if (suffix == NULL)
|
return;
|
return;
|
suffix += sizeof ".so." - 1;
|
suffix += sizeof ".so." - 1;
|
|
|
soname = bfd_elf_get_dt_soname (s->the_bfd);
|
soname = bfd_elf_get_dt_soname (s->the_bfd);
|
if (soname == NULL)
|
if (soname == NULL)
|
soname = lbasename (s->filename);
|
soname = lbasename (s->filename);
|
|
|
if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0)
|
if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0)
|
einfo ("%P: warning: %s, needed by %B, may conflict with %s\n",
|
einfo ("%P: warning: %s, needed by %B, may conflict with %s\n",
|
global_needed->name, global_needed->by, soname);
|
global_needed->name, global_needed->by, soname);
|
}
|
}
|
|
|
struct dt_needed
|
struct dt_needed
|
{
|
{
|
bfd *by;
|
bfd *by;
|
const char *name;
|
const char *name;
|
};
|
};
|
|
|
/* This function is called for each possible name for a dynamic object
|
/* This function is called for each possible name for a dynamic object
|
named by a DT_NEEDED entry. The FORCE parameter indicates whether
|
named by a DT_NEEDED entry. The FORCE parameter indicates whether
|
to skip the check for a conflicting version. */
|
to skip the check for a conflicting version. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
gld${EMULATION_NAME}_try_needed (struct dt_needed *needed,
|
gld${EMULATION_NAME}_try_needed (struct dt_needed *needed,
|
int force)
|
int force)
|
{
|
{
|
bfd *abfd;
|
bfd *abfd;
|
const char *name = needed->name;
|
const char *name = needed->name;
|
const char *soname;
|
const char *soname;
|
int class;
|
int class;
|
|
|
abfd = bfd_openr (name, bfd_get_target (link_info.output_bfd));
|
abfd = bfd_openr (name, bfd_get_target (link_info.output_bfd));
|
if (abfd == NULL)
|
if (abfd == NULL)
|
return FALSE;
|
return FALSE;
|
if (! bfd_check_format (abfd, bfd_object))
|
if (! bfd_check_format (abfd, bfd_object))
|
{
|
{
|
bfd_close (abfd);
|
bfd_close (abfd);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0)
|
if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0)
|
{
|
{
|
bfd_close (abfd);
|
bfd_close (abfd);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* For DT_NEEDED, they have to match. */
|
/* For DT_NEEDED, they have to match. */
|
if (abfd->xvec != link_info.output_bfd->xvec)
|
if (abfd->xvec != link_info.output_bfd->xvec)
|
{
|
{
|
bfd_close (abfd);
|
bfd_close (abfd);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* Check whether this object would include any conflicting library
|
/* Check whether this object would include any conflicting library
|
versions. If FORCE is set, then we skip this check; we use this
|
versions. If FORCE is set, then we skip this check; we use this
|
the second time around, if we couldn't find any compatible
|
the second time around, if we couldn't find any compatible
|
instance of the shared library. */
|
instance of the shared library. */
|
|
|
if (! force)
|
if (! force)
|
{
|
{
|
struct bfd_link_needed_list *needed;
|
struct bfd_link_needed_list *needed;
|
|
|
if (! bfd_elf_get_bfd_needed_list (abfd, &needed))
|
if (! bfd_elf_get_bfd_needed_list (abfd, &needed))
|
einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd);
|
einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd);
|
|
|
if (needed != NULL)
|
if (needed != NULL)
|
{
|
{
|
global_vercheck_needed = needed;
|
global_vercheck_needed = needed;
|
global_vercheck_failed = FALSE;
|
global_vercheck_failed = FALSE;
|
lang_for_each_input_file (gld${EMULATION_NAME}_vercheck);
|
lang_for_each_input_file (gld${EMULATION_NAME}_vercheck);
|
if (global_vercheck_failed)
|
if (global_vercheck_failed)
|
{
|
{
|
bfd_close (abfd);
|
bfd_close (abfd);
|
/* Return FALSE to force the caller to move on to try
|
/* Return FALSE to force the caller to move on to try
|
another file on the search path. */
|
another file on the search path. */
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* But wait! It gets much worse. On Linux, if a shared
|
/* But wait! It gets much worse. On Linux, if a shared
|
library does not use libc at all, we are supposed to skip
|
library does not use libc at all, we are supposed to skip
|
it the first time around in case we encounter a shared
|
it the first time around in case we encounter a shared
|
library later on with the same name which does use the
|
library later on with the same name which does use the
|
version of libc that we want. This is much too horrible
|
version of libc that we want. This is much too horrible
|
to use on any system other than Linux. */
|
to use on any system other than Linux. */
|
|
|
EOF
|
EOF
|
case ${target} in
|
case ${target} in
|
*-*-linux-* | *-*-k*bsd*-*)
|
*-*-linux-* | *-*-k*bsd*-*)
|
fragment <
|
fragment <
|
{
|
{
|
struct bfd_link_needed_list *l;
|
struct bfd_link_needed_list *l;
|
|
|
for (l = needed; l != NULL; l = l->next)
|
for (l = needed; l != NULL; l = l->next)
|
if (CONST_STRNEQ (l->name, "libc.so"))
|
if (CONST_STRNEQ (l->name, "libc.so"))
|
break;
|
break;
|
if (l == NULL)
|
if (l == NULL)
|
{
|
{
|
bfd_close (abfd);
|
bfd_close (abfd);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
|
|
EOF
|
EOF
|
;;
|
;;
|
esac
|
esac
|
fragment <
|
fragment <
|
}
|
}
|
}
|
}
|
|
|
/* We've found a dynamic object matching the DT_NEEDED entry. */
|
/* We've found a dynamic object matching the DT_NEEDED entry. */
|
|
|
/* We have already checked that there is no other input file of the
|
/* 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 name. We must now check again that we are not including the
|
same file twice. We need to do this because on many systems
|
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
|
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
|
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
|
don't want to include libc.so.1 if they are the same file, and we
|
can only check that using stat. */
|
can only check that using stat. */
|
|
|
if (bfd_stat (abfd, &global_stat) != 0)
|
if (bfd_stat (abfd, &global_stat) != 0)
|
einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd);
|
einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd);
|
|
|
/* First strip off everything before the last '/'. */
|
/* First strip off everything before the last '/'. */
|
soname = lbasename (abfd->filename);
|
soname = lbasename (abfd->filename);
|
|
|
if (trace_file_tries)
|
if (trace_file_tries)
|
info_msg (_("found %s at %s\n"), soname, name);
|
info_msg (_("found %s at %s\n"), soname, name);
|
|
|
global_found = NULL;
|
global_found = NULL;
|
lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed);
|
lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed);
|
if (global_found != NULL)
|
if (global_found != NULL)
|
{
|
{
|
/* Return TRUE to indicate that we found the file, even though
|
/* Return TRUE to indicate that we found the file, even though
|
we aren't going to do anything with it. */
|
we aren't going to do anything with it. */
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Specify the soname to use. */
|
/* Specify the soname to use. */
|
bfd_elf_set_dt_needed_name (abfd, soname);
|
bfd_elf_set_dt_needed_name (abfd, soname);
|
|
|
/* Tell the ELF linker that we don't want the output file to have a
|
/* Tell the ELF linker that we don't want the output file to have a
|
DT_NEEDED entry for this file, unless it is used to resolve
|
DT_NEEDED entry for this file, unless it is used to resolve
|
references in a regular object. */
|
references in a regular object. */
|
class = DYN_DT_NEEDED;
|
class = DYN_DT_NEEDED;
|
|
|
/* Tell the ELF linker that we don't want the output file to have a
|
/* Tell the ELF linker that we don't want the output file to have a
|
DT_NEEDED entry for this file at all if the entry is from a file
|
DT_NEEDED entry for this file at all if the entry is from a file
|
with DYN_NO_ADD_NEEDED. */
|
with DYN_NO_ADD_NEEDED. */
|
if (needed->by != NULL
|
if (needed->by != NULL
|
&& (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0)
|
&& (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0)
|
class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED;
|
class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED;
|
|
|
bfd_elf_set_dyn_lib_class (abfd, class);
|
bfd_elf_set_dyn_lib_class (abfd, class);
|
|
|
/* Add this file into the symbol table. */
|
/* Add this file into the symbol table. */
|
if (! bfd_link_add_symbols (abfd, &link_info))
|
if (! bfd_link_add_symbols (abfd, &link_info))
|
einfo ("%F%B: could not read symbols: %E\n", abfd);
|
einfo ("%F%B: could not read symbols: %E\n", abfd);
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
|
|
/* Search for a needed file in a path. */
|
/* Search for a needed file in a path. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
gld${EMULATION_NAME}_search_needed (const char *path,
|
gld${EMULATION_NAME}_search_needed (const char *path,
|
struct dt_needed *n, int force)
|
struct dt_needed *n, int force)
|
{
|
{
|
const char *s;
|
const char *s;
|
const char *name = n->name;
|
const char *name = n->name;
|
size_t len;
|
size_t len;
|
struct dt_needed needed;
|
struct dt_needed needed;
|
|
|
if (name[0] == '/')
|
if (name[0] == '/')
|
return gld${EMULATION_NAME}_try_needed (n, force);
|
return gld${EMULATION_NAME}_try_needed (n, force);
|
|
|
if (path == NULL || *path == '\0')
|
if (path == NULL || *path == '\0')
|
return FALSE;
|
return FALSE;
|
|
|
needed.by = n->by;
|
needed.by = n->by;
|
needed.name = n->name;
|
needed.name = n->name;
|
|
|
len = strlen (name);
|
len = strlen (name);
|
while (1)
|
while (1)
|
{
|
{
|
char *filename, *sset;
|
char *filename, *sset;
|
|
|
s = strchr (path, config.rpath_separator);
|
s = strchr (path, config.rpath_separator);
|
if (s == NULL)
|
if (s == NULL)
|
s = path + strlen (path);
|
s = path + strlen (path);
|
|
|
filename = (char *) xmalloc (s - path + len + 2);
|
filename = (char *) xmalloc (s - path + len + 2);
|
if (s == path)
|
if (s == path)
|
sset = filename;
|
sset = filename;
|
else
|
else
|
{
|
{
|
memcpy (filename, path, s - path);
|
memcpy (filename, path, s - path);
|
filename[s - path] = '/';
|
filename[s - path] = '/';
|
sset = filename + (s - path) + 1;
|
sset = filename + (s - path) + 1;
|
}
|
}
|
strcpy (sset, name);
|
strcpy (sset, name);
|
|
|
needed.name = filename;
|
needed.name = filename;
|
if (gld${EMULATION_NAME}_try_needed (&needed, force))
|
if (gld${EMULATION_NAME}_try_needed (&needed, force))
|
return TRUE;
|
return TRUE;
|
|
|
free (filename);
|
free (filename);
|
|
|
if (*s == '\0')
|
if (*s == '\0')
|
break;
|
break;
|
path = s + 1;
|
path = s + 1;
|
}
|
}
|
|
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
EOF
|
EOF
|
if [ "x${USE_LIBPATH}" = xyes ] ; then
|
if [ "x${USE_LIBPATH}" = xyes ] ; then
|
fragment <
|
fragment <
|
|
|
/* Add the sysroot to every entry in a path separated by
|
/* Add the sysroot to every entry in a path separated by
|
config.rpath_separator. */
|
config.rpath_separator. */
|
|
|
static char *
|
static char *
|
gld${EMULATION_NAME}_add_sysroot (const char *path)
|
gld${EMULATION_NAME}_add_sysroot (const char *path)
|
{
|
{
|
int len, colons, i;
|
int len, colons, i;
|
char *ret, *p;
|
char *ret, *p;
|
|
|
len = strlen (path);
|
len = strlen (path);
|
colons = 0;
|
colons = 0;
|
i = 0;
|
i = 0;
|
while (path[i])
|
while (path[i])
|
if (path[i++] == config.rpath_separator)
|
if (path[i++] == config.rpath_separator)
|
colons++;
|
colons++;
|
|
|
if (path[i])
|
if (path[i])
|
colons++;
|
colons++;
|
|
|
len = len + (colons + 1) * strlen (ld_sysroot);
|
len = len + (colons + 1) * strlen (ld_sysroot);
|
ret = xmalloc (len + 1);
|
ret = xmalloc (len + 1);
|
strcpy (ret, ld_sysroot);
|
strcpy (ret, ld_sysroot);
|
p = ret + strlen (ret);
|
p = ret + strlen (ret);
|
i = 0;
|
i = 0;
|
while (path[i])
|
while (path[i])
|
if (path[i] == config.rpath_separator)
|
if (path[i] == config.rpath_separator)
|
{
|
{
|
*p++ = path[i++];
|
*p++ = path[i++];
|
strcpy (p, ld_sysroot);
|
strcpy (p, ld_sysroot);
|
p = p + strlen (p);
|
p = p + strlen (p);
|
}
|
}
|
else
|
else
|
*p++ = path[i++];
|
*p++ = path[i++];
|
|
|
*p = 0;
|
*p = 0;
|
return ret;
|
return ret;
|
}
|
}
|
|
|
EOF
|
EOF
|
case ${target} in
|
case ${target} in
|
*-*-freebsd* | *-*-dragonfly*)
|
*-*-freebsd* | *-*-dragonfly*)
|
fragment <
|
fragment <
|
/* Read the system search path the FreeBSD way rather than the Linux way. */
|
/* Read the system search path the FreeBSD way rather than the Linux way. */
|
#ifdef HAVE_ELF_HINTS_H
|
#ifdef HAVE_ELF_HINTS_H
|
#include
|
#include
|
#else
|
#else
|
#include "elf-hints-local.h"
|
#include "elf-hints-local.h"
|
#endif
|
#endif
|
|
|
static bfd_boolean
|
static bfd_boolean
|
gld${EMULATION_NAME}_check_ld_elf_hints (const char *name, int force)
|
gld${EMULATION_NAME}_check_ld_elf_hints (const char *name, int force)
|
{
|
{
|
static bfd_boolean initialized;
|
static bfd_boolean initialized;
|
static char *ld_elf_hints;
|
static char *ld_elf_hints;
|
struct dt_needed needed;
|
struct dt_needed needed;
|
|
|
if (!initialized)
|
if (!initialized)
|
{
|
{
|
FILE *f;
|
FILE *f;
|
char *tmppath;
|
char *tmppath;
|
|
|
tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, (const char *) NULL);
|
tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, (const char *) NULL);
|
f = fopen (tmppath, FOPEN_RB);
|
f = fopen (tmppath, FOPEN_RB);
|
free (tmppath);
|
free (tmppath);
|
if (f != NULL)
|
if (f != NULL)
|
{
|
{
|
struct elfhints_hdr hdr;
|
struct elfhints_hdr hdr;
|
|
|
if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr)
|
if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr)
|
&& hdr.magic == ELFHINTS_MAGIC
|
&& hdr.magic == ELFHINTS_MAGIC
|
&& hdr.version == 1)
|
&& hdr.version == 1)
|
{
|
{
|
if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1)
|
if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1)
|
{
|
{
|
char *b;
|
char *b;
|
|
|
b = xmalloc (hdr.dirlistlen + 1);
|
b = xmalloc (hdr.dirlistlen + 1);
|
if (fread (b, 1, hdr.dirlistlen + 1, f) ==
|
if (fread (b, 1, hdr.dirlistlen + 1, f) ==
|
hdr.dirlistlen + 1)
|
hdr.dirlistlen + 1)
|
ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b);
|
ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b);
|
|
|
free (b);
|
free (b);
|
}
|
}
|
}
|
}
|
fclose (f);
|
fclose (f);
|
}
|
}
|
|
|
initialized = TRUE;
|
initialized = TRUE;
|
}
|
}
|
|
|
if (ld_elf_hints == NULL)
|
if (ld_elf_hints == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
needed.by = NULL;
|
needed.by = NULL;
|
needed.name = name;
|
needed.name = name;
|
return gld${EMULATION_NAME}_search_needed (ld_elf_hints, & needed,
|
return gld${EMULATION_NAME}_search_needed (ld_elf_hints, & needed,
|
force);
|
force);
|
}
|
}
|
EOF
|
EOF
|
# FreeBSD
|
# FreeBSD
|
;;
|
;;
|
|
|
*-*-linux-* | *-*-k*bsd*-*)
|
*-*-linux-* | *-*-k*bsd*-*)
|
fragment <
|
fragment <
|
/* For a native linker, check the file /etc/ld.so.conf for directories
|
/* For a native linker, check the file /etc/ld.so.conf for directories
|
in which we may find shared libraries. /etc/ld.so.conf is really
|
in which we may find shared libraries. /etc/ld.so.conf is really
|
only meaningful on Linux. */
|
only meaningful on Linux. */
|
|
|
struct gld${EMULATION_NAME}_ld_so_conf
|
struct gld${EMULATION_NAME}_ld_so_conf
|
{
|
{
|
char *path;
|
char *path;
|
size_t len, alloc;
|
size_t len, alloc;
|
};
|
};
|
|
|
static bfd_boolean
|
static bfd_boolean
|
gld${EMULATION_NAME}_parse_ld_so_conf
|
gld${EMULATION_NAME}_parse_ld_so_conf
|
(struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename);
|
(struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename);
|
|
|
static void
|
static void
|
gld${EMULATION_NAME}_parse_ld_so_conf_include
|
gld${EMULATION_NAME}_parse_ld_so_conf_include
|
(struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename,
|
(struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename,
|
const char *pattern)
|
const char *pattern)
|
{
|
{
|
char *newp = NULL;
|
char *newp = NULL;
|
#ifdef HAVE_GLOB
|
#ifdef HAVE_GLOB
|
glob_t gl;
|
glob_t gl;
|
#endif
|
#endif
|
|
|
if (pattern[0] != '/')
|
if (pattern[0] != '/')
|
{
|
{
|
char *p = strrchr (filename, '/');
|
char *p = strrchr (filename, '/');
|
size_t patlen = strlen (pattern) + 1;
|
size_t patlen = strlen (pattern) + 1;
|
|
|
newp = xmalloc (p - filename + 1 + patlen);
|
newp = xmalloc (p - filename + 1 + patlen);
|
memcpy (newp, filename, p - filename + 1);
|
memcpy (newp, filename, p - filename + 1);
|
memcpy (newp + (p - filename + 1), pattern, patlen);
|
memcpy (newp + (p - filename + 1), pattern, patlen);
|
pattern = newp;
|
pattern = newp;
|
}
|
}
|
|
|
#ifdef HAVE_GLOB
|
#ifdef HAVE_GLOB
|
if (glob (pattern, 0, NULL, &gl) == 0)
|
if (glob (pattern, 0, NULL, &gl) == 0)
|
{
|
{
|
size_t i;
|
size_t i;
|
|
|
for (i = 0; i < gl.gl_pathc; ++i)
|
for (i = 0; i < gl.gl_pathc; ++i)
|
gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]);
|
gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]);
|
globfree (&gl);
|
globfree (&gl);
|
}
|
}
|
#else
|
#else
|
/* If we do not have glob, treat the pattern as a literal filename. */
|
/* If we do not have glob, treat the pattern as a literal filename. */
|
gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern);
|
gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern);
|
#endif
|
#endif
|
|
|
if (newp)
|
if (newp)
|
free (newp);
|
free (newp);
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
gld${EMULATION_NAME}_parse_ld_so_conf
|
gld${EMULATION_NAME}_parse_ld_so_conf
|
(struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename)
|
(struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename)
|
{
|
{
|
FILE *f = fopen (filename, FOPEN_RT);
|
FILE *f = fopen (filename, FOPEN_RT);
|
char *line;
|
char *line;
|
size_t linelen;
|
size_t linelen;
|
|
|
if (f == NULL)
|
if (f == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
linelen = 256;
|
linelen = 256;
|
line = xmalloc (linelen);
|
line = xmalloc (linelen);
|
do
|
do
|
{
|
{
|
char *p = line, *q;
|
char *p = line, *q;
|
|
|
/* Normally this would use getline(3), but we need to be portable. */
|
/* Normally this would use getline(3), but we need to be portable. */
|
while ((q = fgets (p, linelen - (p - line), f)) != NULL
|
while ((q = fgets (p, linelen - (p - line), f)) != NULL
|
&& strlen (q) == linelen - (p - line) - 1
|
&& strlen (q) == linelen - (p - line) - 1
|
&& line[linelen - 2] != '\n')
|
&& line[linelen - 2] != '\n')
|
{
|
{
|
line = xrealloc (line, 2 * linelen);
|
line = xrealloc (line, 2 * linelen);
|
p = line + linelen - 1;
|
p = line + linelen - 1;
|
linelen += linelen;
|
linelen += linelen;
|
}
|
}
|
|
|
if (q == NULL && p == line)
|
if (q == NULL && p == line)
|
break;
|
break;
|
|
|
p = strchr (line, '\n');
|
p = strchr (line, '\n');
|
if (p)
|
if (p)
|
*p = '\0';
|
*p = '\0';
|
|
|
/* Because the file format does not know any form of quoting we
|
/* Because the file format does not know any form of quoting we
|
can search forward for the next '#' character and if found
|
can search forward for the next '#' character and if found
|
make it terminating the line. */
|
make it terminating the line. */
|
p = strchr (line, '#');
|
p = strchr (line, '#');
|
if (p)
|
if (p)
|
*p = '\0';
|
*p = '\0';
|
|
|
/* Remove leading whitespace. NUL is no whitespace character. */
|
/* Remove leading whitespace. NUL is no whitespace character. */
|
p = line;
|
p = line;
|
while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v')
|
while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v')
|
++p;
|
++p;
|
|
|
/* If the line is blank it is ignored. */
|
/* If the line is blank it is ignored. */
|
if (p[0] == '\0')
|
if (p[0] == '\0')
|
continue;
|
continue;
|
|
|
if (CONST_STRNEQ (p, "include") && (p[7] == ' ' || p[7] == '\t'))
|
if (CONST_STRNEQ (p, "include") && (p[7] == ' ' || p[7] == '\t'))
|
{
|
{
|
char *dir, c;
|
char *dir, c;
|
p += 8;
|
p += 8;
|
do
|
do
|
{
|
{
|
while (*p == ' ' || *p == '\t')
|
while (*p == ' ' || *p == '\t')
|
++p;
|
++p;
|
|
|
if (*p == '\0')
|
if (*p == '\0')
|
break;
|
break;
|
|
|
dir = p;
|
dir = p;
|
|
|
while (*p != ' ' && *p != '\t' && *p)
|
while (*p != ' ' && *p != '\t' && *p)
|
++p;
|
++p;
|
|
|
c = *p;
|
c = *p;
|
*p++ = '\0';
|
*p++ = '\0';
|
if (dir[0] != '\0')
|
if (dir[0] != '\0')
|
gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename,
|
gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename,
|
dir);
|
dir);
|
}
|
}
|
while (c != '\0');
|
while (c != '\0');
|
}
|
}
|
else
|
else
|
{
|
{
|
char *dir = p;
|
char *dir = p;
|
while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f'
|
while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f'
|
&& *p != '\r' && *p != '\v')
|
&& *p != '\r' && *p != '\v')
|
++p;
|
++p;
|
|
|
while (p != dir && p[-1] == '/')
|
while (p != dir && p[-1] == '/')
|
--p;
|
--p;
|
if (info->path == NULL)
|
if (info->path == NULL)
|
{
|
{
|
info->alloc = p - dir + 1 + 256;
|
info->alloc = p - dir + 1 + 256;
|
info->path = xmalloc (info->alloc);
|
info->path = xmalloc (info->alloc);
|
info->len = 0;
|
info->len = 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (info->len + 1 + (p - dir) >= info->alloc)
|
if (info->len + 1 + (p - dir) >= info->alloc)
|
{
|
{
|
info->alloc += p - dir + 256;
|
info->alloc += p - dir + 256;
|
info->path = xrealloc (info->path, info->alloc);
|
info->path = xrealloc (info->path, info->alloc);
|
}
|
}
|
info->path[info->len++] = config.rpath_separator;
|
info->path[info->len++] = config.rpath_separator;
|
}
|
}
|
memcpy (info->path + info->len, dir, p - dir);
|
memcpy (info->path + info->len, dir, p - dir);
|
info->len += p - dir;
|
info->len += p - dir;
|
info->path[info->len] = '\0';
|
info->path[info->len] = '\0';
|
}
|
}
|
}
|
}
|
while (! feof (f));
|
while (! feof (f));
|
free (line);
|
free (line);
|
fclose (f);
|
fclose (f);
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
gld${EMULATION_NAME}_check_ld_so_conf (const char *name, int force)
|
gld${EMULATION_NAME}_check_ld_so_conf (const char *name, int force)
|
{
|
{
|
static bfd_boolean initialized;
|
static bfd_boolean initialized;
|
static char *ld_so_conf;
|
static char *ld_so_conf;
|
struct dt_needed needed;
|
struct dt_needed needed;
|
|
|
if (! initialized)
|
if (! initialized)
|
{
|
{
|
char *tmppath;
|
char *tmppath;
|
struct gld${EMULATION_NAME}_ld_so_conf info;
|
struct gld${EMULATION_NAME}_ld_so_conf info;
|
|
|
info.path = NULL;
|
info.path = NULL;
|
info.len = info.alloc = 0;
|
info.len = info.alloc = 0;
|
tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf",
|
tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf",
|
(const char *) NULL);
|
(const char *) NULL);
|
if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath))
|
if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath))
|
{
|
{
|
free (tmppath);
|
free (tmppath);
|
tmppath = concat (ld_sysroot, "/etc/ld.so.conf",
|
tmppath = concat (ld_sysroot, "/etc/ld.so.conf",
|
(const char *) NULL);
|
(const char *) NULL);
|
gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath);
|
gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath);
|
}
|
}
|
free (tmppath);
|
free (tmppath);
|
|
|
if (info.path)
|
if (info.path)
|
{
|
{
|
char *d = gld${EMULATION_NAME}_add_sysroot (info.path);
|
char *d = gld${EMULATION_NAME}_add_sysroot (info.path);
|
free (info.path);
|
free (info.path);
|
ld_so_conf = d;
|
ld_so_conf = d;
|
}
|
}
|
initialized = TRUE;
|
initialized = TRUE;
|
}
|
}
|
|
|
if (ld_so_conf == NULL)
|
if (ld_so_conf == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
|
|
needed.by = NULL;
|
needed.by = NULL;
|
needed.name = name;
|
needed.name = name;
|
return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force);
|
return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force);
|
}
|
}
|
|
|
EOF
|
EOF
|
# Linux
|
# Linux
|
;;
|
;;
|
esac
|
esac
|
fi
|
fi
|
fragment <
|
fragment <
|
|
|
/* See if an input file matches a DT_NEEDED entry by name. */
|
/* See if an input file matches a DT_NEEDED entry by name. */
|
|
|
static void
|
static void
|
gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s)
|
gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s)
|
{
|
{
|
const char *soname;
|
const char *soname;
|
|
|
/* Stop looking if we've found a loaded lib. */
|
/* Stop looking if we've found a loaded lib. */
|
if (global_found != NULL
|
if (global_found != NULL
|
&& (bfd_elf_get_dyn_lib_class (global_found->the_bfd)
|
&& (bfd_elf_get_dyn_lib_class (global_found->the_bfd)
|
& DYN_AS_NEEDED) == 0)
|
& DYN_AS_NEEDED) == 0)
|
return;
|
return;
|
|
|
if (s->filename == NULL || s->the_bfd == NULL)
|
if (s->filename == NULL || s->the_bfd == NULL)
|
return;
|
return;
|
|
|
/* Don't look for a second non-loaded as-needed lib. */
|
/* Don't look for a second non-loaded as-needed lib. */
|
if (global_found != NULL
|
if (global_found != NULL
|
&& (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)
|
&& (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)
|
return;
|
return;
|
|
|
if (strcmp (s->filename, global_needed->name) == 0)
|
if (strcmp (s->filename, global_needed->name) == 0)
|
{
|
{
|
global_found = s;
|
global_found = s;
|
return;
|
return;
|
}
|
}
|
|
|
if (s->search_dirs_flag)
|
if (s->search_dirs_flag)
|
{
|
{
|
const char *f = strrchr (s->filename, '/');
|
const char *f = strrchr (s->filename, '/');
|
if (f != NULL
|
if (f != NULL
|
&& strcmp (f + 1, global_needed->name) == 0)
|
&& strcmp (f + 1, global_needed->name) == 0)
|
{
|
{
|
global_found = s;
|
global_found = s;
|
return;
|
return;
|
}
|
}
|
}
|
}
|
|
|
soname = bfd_elf_get_dt_soname (s->the_bfd);
|
soname = bfd_elf_get_dt_soname (s->the_bfd);
|
if (soname != NULL
|
if (soname != NULL
|
&& strcmp (soname, global_needed->name) == 0)
|
&& strcmp (soname, global_needed->name) == 0)
|
{
|
{
|
global_found = s;
|
global_found = s;
|
return;
|
return;
|
}
|
}
|
}
|
}
|
|
|
EOF
|
EOF
|
|
|
if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then
|
if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then
|
fragment <
|
fragment <
|
|
|
static bfd_size_type
|
static bfd_size_type
|
gld${EMULATION_NAME}_id_note_section_size (bfd *abfd,
|
gld${EMULATION_NAME}_id_note_section_size (bfd *abfd,
|
struct bfd_link_info *link_info)
|
struct bfd_link_info *link_info)
|
{
|
{
|
const char *style = link_info->emit_note_gnu_build_id;
|
const char *style = link_info->emit_note_gnu_build_id;
|
bfd_size_type size;
|
bfd_size_type size;
|
|
|
abfd = abfd;
|
abfd = abfd;
|
|
|
size = offsetof (Elf_External_Note, name[sizeof "GNU"]);
|
size = offsetof (Elf_External_Note, name[sizeof "GNU"]);
|
size = (size + 3) & -(bfd_size_type) 4;
|
size = (size + 3) & -(bfd_size_type) 4;
|
|
|
if (!strcmp (style, "md5") || !strcmp (style, "uuid"))
|
if (!strcmp (style, "md5") || !strcmp (style, "uuid"))
|
size += 128 / 8;
|
size += 128 / 8;
|
else if (!strcmp (style, "sha1"))
|
else if (!strcmp (style, "sha1"))
|
size += 160 / 8;
|
size += 160 / 8;
|
else if (!strncmp (style, "0x", 2))
|
else if (!strncmp (style, "0x", 2))
|
{
|
{
|
/* ID is in string form (hex). Convert to bits. */
|
/* ID is in string form (hex). Convert to bits. */
|
const char *id = style + 2;
|
const char *id = style + 2;
|
do
|
do
|
{
|
{
|
if (ISXDIGIT (id[0]) && ISXDIGIT (id[1]))
|
if (ISXDIGIT (id[0]) && ISXDIGIT (id[1]))
|
{
|
{
|
++size;
|
++size;
|
id += 2;
|
id += 2;
|
}
|
}
|
else if (*id == '-' || *id == ':')
|
else if (*id == '-' || *id == ':')
|
++id;
|
++id;
|
else
|
else
|
{
|
{
|
size = 0;
|
size = 0;
|
break;
|
break;
|
}
|
}
|
} while (*id != '\0');
|
} while (*id != '\0');
|
}
|
}
|
else
|
else
|
size = 0;
|
size = 0;
|
|
|
return size;
|
return size;
|
}
|
}
|
|
|
static unsigned char
|
static unsigned char
|
read_hex (const char xdigit)
|
read_hex (const char xdigit)
|
{
|
{
|
if (ISDIGIT (xdigit))
|
if (ISDIGIT (xdigit))
|
return xdigit - '0';
|
return xdigit - '0';
|
if (ISUPPER (xdigit))
|
if (ISUPPER (xdigit))
|
return xdigit - 'A' + 0xa;
|
return xdigit - 'A' + 0xa;
|
if (ISLOWER (xdigit))
|
if (ISLOWER (xdigit))
|
return xdigit - 'a' + 0xa;
|
return xdigit - 'a' + 0xa;
|
abort ();
|
abort ();
|
return 0;
|
return 0;
|
}
|
}
|
|
|
struct build_id_info
|
struct build_id_info
|
{
|
{
|
const char *style;
|
const char *style;
|
asection *sec;
|
asection *sec;
|
};
|
};
|
|
|
static bfd_boolean
|
static bfd_boolean
|
gld${EMULATION_NAME}_write_build_id_section (bfd *abfd)
|
gld${EMULATION_NAME}_write_build_id_section (bfd *abfd)
|
{
|
{
|
const struct elf_backend_data *bed = get_elf_backend_data (abfd);
|
const struct elf_backend_data *bed = get_elf_backend_data (abfd);
|
struct build_id_info *info =
|
struct build_id_info *info =
|
elf_tdata (abfd)->after_write_object_contents_info;
|
elf_tdata (abfd)->after_write_object_contents_info;
|
asection *asec;
|
asection *asec;
|
Elf_Internal_Shdr *i_shdr;
|
Elf_Internal_Shdr *i_shdr;
|
unsigned char *contents, *id_bits;
|
unsigned char *contents, *id_bits;
|
bfd_size_type size;
|
bfd_size_type size;
|
Elf_External_Note *e_note;
|
Elf_External_Note *e_note;
|
|
|
asec = info->sec;
|
asec = info->sec;
|
if (bfd_is_abs_section (asec->output_section))
|
if (bfd_is_abs_section (asec->output_section))
|
{
|
{
|
einfo (_("%P: warning: .note.gnu.build-id section discarded,"
|
einfo (_("%P: warning: .note.gnu.build-id section discarded,"
|
" --build-id ignored.\n"));
|
" --build-id ignored.\n"));
|
return TRUE;
|
return TRUE;
|
}
|
}
|
i_shdr = &elf_section_data (asec->output_section)->this_hdr;
|
i_shdr = &elf_section_data (asec->output_section)->this_hdr;
|
|
|
if (i_shdr->contents == NULL)
|
if (i_shdr->contents == NULL)
|
{
|
{
|
if (asec->contents == NULL)
|
if (asec->contents == NULL)
|
asec->contents = xmalloc (asec->size);
|
asec->contents = xmalloc (asec->size);
|
contents = asec->contents;
|
contents = asec->contents;
|
}
|
}
|
else
|
else
|
contents = i_shdr->contents + asec->output_offset;
|
contents = i_shdr->contents + asec->output_offset;
|
|
|
e_note = (void *) contents;
|
e_note = (void *) contents;
|
size = offsetof (Elf_External_Note, name[sizeof "GNU"]);
|
size = offsetof (Elf_External_Note, name[sizeof "GNU"]);
|
size = (size + 3) & -(bfd_size_type) 4;
|
size = (size + 3) & -(bfd_size_type) 4;
|
id_bits = contents + size;
|
id_bits = contents + size;
|
size = asec->size - size;
|
size = asec->size - size;
|
|
|
bfd_h_put_32 (abfd, sizeof "GNU", &e_note->namesz);
|
bfd_h_put_32 (abfd, sizeof "GNU", &e_note->namesz);
|
bfd_h_put_32 (abfd, size, &e_note->descsz);
|
bfd_h_put_32 (abfd, size, &e_note->descsz);
|
bfd_h_put_32 (abfd, NT_GNU_BUILD_ID, &e_note->type);
|
bfd_h_put_32 (abfd, NT_GNU_BUILD_ID, &e_note->type);
|
memcpy (e_note->name, "GNU", sizeof "GNU");
|
memcpy (e_note->name, "GNU", sizeof "GNU");
|
|
|
if (!strcmp (info->style, "md5"))
|
if (!strcmp (info->style, "md5"))
|
{
|
{
|
struct md5_ctx ctx;
|
struct md5_ctx ctx;
|
md5_init_ctx (&ctx);
|
md5_init_ctx (&ctx);
|
if (bed->s->checksum_contents (abfd,
|
if (bed->s->checksum_contents (abfd,
|
(void (*) (const void *, size_t, void *))
|
(void (*) (const void *, size_t, void *))
|
&md5_process_bytes,
|
&md5_process_bytes,
|
&ctx))
|
&ctx))
|
md5_finish_ctx (&ctx, id_bits);
|
md5_finish_ctx (&ctx, id_bits);
|
else
|
else
|
return FALSE;
|
return FALSE;
|
}
|
}
|
else if (!strcmp (info->style, "sha1"))
|
else if (!strcmp (info->style, "sha1"))
|
{
|
{
|
struct sha1_ctx ctx;
|
struct sha1_ctx ctx;
|
sha1_init_ctx (&ctx);
|
sha1_init_ctx (&ctx);
|
if (bed->s->checksum_contents (abfd,
|
if (bed->s->checksum_contents (abfd,
|
(void (*) (const void *, size_t, void *))
|
(void (*) (const void *, size_t, void *))
|
&sha1_process_bytes,
|
&sha1_process_bytes,
|
&ctx))
|
&ctx))
|
sha1_finish_ctx (&ctx, id_bits);
|
sha1_finish_ctx (&ctx, id_bits);
|
else
|
else
|
return FALSE;
|
return FALSE;
|
}
|
}
|
else if (!strcmp (info->style, "uuid"))
|
else if (!strcmp (info->style, "uuid"))
|
{
|
{
|
int n;
|
int n;
|
int fd = open ("/dev/urandom", O_RDONLY);
|
int fd = open ("/dev/urandom", O_RDONLY);
|
if (fd < 0)
|
if (fd < 0)
|
return FALSE;
|
return FALSE;
|
n = read (fd, id_bits, size);
|
n = read (fd, id_bits, size);
|
close (fd);
|
close (fd);
|
if (n < (int) size)
|
if (n < (int) size)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
else if (!strncmp (info->style, "0x", 2))
|
else if (!strncmp (info->style, "0x", 2))
|
{
|
{
|
/* ID is in string form (hex). Convert to bits. */
|
/* ID is in string form (hex). Convert to bits. */
|
const char *id = info->style + 2;
|
const char *id = info->style + 2;
|
size_t n = 0;
|
size_t n = 0;
|
do
|
do
|
{
|
{
|
if (ISXDIGIT (id[0]) && ISXDIGIT (id[1]))
|
if (ISXDIGIT (id[0]) && ISXDIGIT (id[1]))
|
{
|
{
|
id_bits[n] = read_hex (*id++) << 4;
|
id_bits[n] = read_hex (*id++) << 4;
|
id_bits[n++] |= read_hex (*id++);
|
id_bits[n++] |= read_hex (*id++);
|
}
|
}
|
else if (*id == '-' || *id == ':')
|
else if (*id == '-' || *id == ':')
|
++id;
|
++id;
|
else
|
else
|
abort (); /* Should have been validated earlier. */
|
abort (); /* Should have been validated earlier. */
|
} while (*id != '\0');
|
} while (*id != '\0');
|
}
|
}
|
else
|
else
|
abort (); /* Should have been validated earlier. */
|
abort (); /* Should have been validated earlier. */
|
|
|
size = asec->size;
|
size = asec->size;
|
return (bfd_seek (abfd,
|
return (bfd_seek (abfd,
|
i_shdr->sh_offset + asec->output_offset, SEEK_SET) == 0
|
i_shdr->sh_offset + asec->output_offset, SEEK_SET) == 0
|
&& bfd_bwrite (contents, size, abfd) == size);
|
&& bfd_bwrite (contents, size, abfd) == size);
|
}
|
}
|
|
|
|
|
/* This is called after all the input files have been opened. */
|
/* This is called after all the input files have been opened. */
|
|
|
static void
|
static void
|
gld${EMULATION_NAME}_after_open (void)
|
gld${EMULATION_NAME}_after_open (void)
|
{
|
{
|
struct bfd_link_needed_list *needed, *l;
|
struct bfd_link_needed_list *needed, *l;
|
struct elf_link_hash_table *htab;
|
struct elf_link_hash_table *htab;
|
|
|
htab = elf_hash_table (&link_info);
|
htab = elf_hash_table (&link_info);
|
if (!is_elf_hash_table (htab))
|
if (!is_elf_hash_table (htab))
|
return;
|
return;
|
|
|
if (link_info.emit_note_gnu_build_id)
|
if (link_info.emit_note_gnu_build_id)
|
{
|
{
|
bfd *abfd;
|
bfd *abfd;
|
asection *s;
|
asection *s;
|
bfd_size_type size;
|
bfd_size_type size;
|
|
|
abfd = link_info.input_bfds;
|
abfd = link_info.input_bfds;
|
|
|
size = gld${EMULATION_NAME}_id_note_section_size (abfd, &link_info);
|
size = gld${EMULATION_NAME}_id_note_section_size (abfd, &link_info);
|
if (size == 0)
|
if (size == 0)
|
{
|
{
|
einfo ("%P: warning: unrecognized --build-id style ignored.\n");
|
einfo ("%P: warning: unrecognized --build-id style ignored.\n");
|
free (link_info.emit_note_gnu_build_id);
|
free (link_info.emit_note_gnu_build_id);
|
link_info.emit_note_gnu_build_id = NULL;
|
link_info.emit_note_gnu_build_id = NULL;
|
}
|
}
|
else
|
else
|
{
|
{
|
s = bfd_make_section_with_flags (abfd, ".note.gnu.build-id",
|
s = bfd_make_section_with_flags (abfd, ".note.gnu.build-id",
|
SEC_ALLOC | SEC_LOAD
|
SEC_ALLOC | SEC_LOAD
|
| SEC_IN_MEMORY | SEC_LINKER_CREATED
|
| SEC_IN_MEMORY | SEC_LINKER_CREATED
|
| SEC_READONLY | SEC_DATA);
|
| SEC_READONLY | SEC_DATA);
|
if (s != NULL && bfd_set_section_alignment (abfd, s, 2))
|
if (s != NULL && bfd_set_section_alignment (abfd, s, 2))
|
{
|
{
|
struct elf_obj_tdata *t = elf_tdata (link_info.output_bfd);
|
struct elf_obj_tdata *t = elf_tdata (link_info.output_bfd);
|
struct build_id_info *b = xmalloc (sizeof *b);
|
struct build_id_info *b = xmalloc (sizeof *b);
|
b->style = link_info.emit_note_gnu_build_id;
|
b->style = link_info.emit_note_gnu_build_id;
|
b->sec = s;
|
b->sec = s;
|
elf_section_type (s) = SHT_NOTE;
|
elf_section_type (s) = SHT_NOTE;
|
s->size = size;
|
s->size = size;
|
t->after_write_object_contents
|
t->after_write_object_contents
|
= &gld${EMULATION_NAME}_write_build_id_section;
|
= &gld${EMULATION_NAME}_write_build_id_section;
|
t->after_write_object_contents_info = b;
|
t->after_write_object_contents_info = b;
|
}
|
}
|
else
|
else
|
{
|
{
|
einfo ("%P: warning: Cannot create .note.gnu.build-id section,"
|
einfo ("%P: warning: Cannot create .note.gnu.build-id section,"
|
" --build-id ignored.\n");
|
" --build-id ignored.\n");
|
free (link_info.emit_note_gnu_build_id);
|
free (link_info.emit_note_gnu_build_id);
|
link_info.emit_note_gnu_build_id = NULL;
|
link_info.emit_note_gnu_build_id = NULL;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (link_info.relocatable)
|
if (link_info.relocatable)
|
return;
|
return;
|
|
|
if (link_info.eh_frame_hdr
|
if (link_info.eh_frame_hdr
|
&& !link_info.traditional_format)
|
&& !link_info.traditional_format)
|
{
|
{
|
bfd *abfd;
|
bfd *abfd;
|
asection *s;
|
asection *s;
|
|
|
for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next)
|
for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next)
|
{
|
{
|
s = bfd_get_section_by_name (abfd, ".eh_frame");
|
s = bfd_get_section_by_name (abfd, ".eh_frame");
|
if (s && s->size > 8 && !bfd_is_abs_section (s->output_section))
|
if (s && s->size > 8 && !bfd_is_abs_section (s->output_section))
|
break;
|
break;
|
}
|
}
|
if (abfd)
|
if (abfd)
|
{
|
{
|
const struct elf_backend_data *bed;
|
const struct elf_backend_data *bed;
|
|
|
bed = get_elf_backend_data (abfd);
|
bed = get_elf_backend_data (abfd);
|
s = bfd_make_section_with_flags (abfd, ".eh_frame_hdr",
|
s = bfd_make_section_with_flags (abfd, ".eh_frame_hdr",
|
bed->dynamic_sec_flags
|
bed->dynamic_sec_flags
|
| SEC_READONLY);
|
| SEC_READONLY);
|
if (s != NULL
|
if (s != NULL
|
&& bfd_set_section_alignment (abfd, s, 2))
|
&& bfd_set_section_alignment (abfd, s, 2))
|
htab->eh_info.hdr_sec = s;
|
htab->eh_info.hdr_sec = s;
|
else
|
else
|
einfo ("%P: warning: Cannot create .eh_frame_hdr section,"
|
einfo ("%P: warning: Cannot create .eh_frame_hdr section,"
|
" --eh-frame-hdr ignored.\n");
|
" --eh-frame-hdr ignored.\n");
|
}
|
}
|
}
|
}
|
|
|
/* Get the list of files which appear in DT_NEEDED entries in
|
/* Get the list of files which appear in DT_NEEDED entries in
|
dynamic objects included in the link (often there will be none).
|
dynamic objects included in the link (often there will be none).
|
For each such file, we want to track down the corresponding
|
For each such file, we want to track down the corresponding
|
library, and include the symbol table in the link. This is what
|
library, and include the symbol table in the link. This is what
|
the runtime dynamic linker will do. Tracking the files down here
|
the runtime dynamic linker will do. Tracking the files down here
|
permits one dynamic object to include another without requiring
|
permits one dynamic object to include another without requiring
|
special action by the person doing the link. Note that the
|
special action by the person doing the link. Note that the
|
needed list can actually grow while we are stepping through this
|
needed list can actually grow while we are stepping through this
|
loop. */
|
loop. */
|
if (!link_info.executable)
|
if (!link_info.executable)
|
return;
|
return;
|
needed = bfd_elf_get_needed_list (link_info.output_bfd, &link_info);
|
needed = bfd_elf_get_needed_list (link_info.output_bfd, &link_info);
|
for (l = needed; l != NULL; l = l->next)
|
for (l = needed; l != NULL; l = l->next)
|
{
|
{
|
struct bfd_link_needed_list *ll;
|
struct bfd_link_needed_list *ll;
|
struct dt_needed n, nn;
|
struct dt_needed n, nn;
|
int force;
|
int force;
|
|
|
/* If the lib that needs this one was --as-needed and wasn't
|
/* If the lib that needs this one was --as-needed and wasn't
|
found to be needed, then this lib isn't needed either. */
|
found to be needed, then this lib isn't needed either. */
|
if (l->by != NULL
|
if (l->by != NULL
|
&& (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0)
|
&& (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0)
|
continue;
|
continue;
|
|
|
/* If we've already seen this file, skip it. */
|
/* If we've already seen this file, skip it. */
|
for (ll = needed; ll != l; ll = ll->next)
|
for (ll = needed; ll != l; ll = ll->next)
|
if ((ll->by == NULL
|
if ((ll->by == NULL
|
|| (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0)
|
|| (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0)
|
&& strcmp (ll->name, l->name) == 0)
|
&& strcmp (ll->name, l->name) == 0)
|
break;
|
break;
|
if (ll != l)
|
if (ll != l)
|
continue;
|
continue;
|
|
|
/* See if this file was included in the link explicitly. */
|
/* See if this file was included in the link explicitly. */
|
global_needed = l;
|
global_needed = l;
|
global_found = NULL;
|
global_found = NULL;
|
lang_for_each_input_file (gld${EMULATION_NAME}_check_needed);
|
lang_for_each_input_file (gld${EMULATION_NAME}_check_needed);
|
if (global_found != NULL
|
if (global_found != NULL
|
&& (bfd_elf_get_dyn_lib_class (global_found->the_bfd)
|
&& (bfd_elf_get_dyn_lib_class (global_found->the_bfd)
|
& DYN_AS_NEEDED) == 0)
|
& DYN_AS_NEEDED) == 0)
|
continue;
|
continue;
|
|
|
n.by = l->by;
|
n.by = l->by;
|
n.name = l->name;
|
n.name = l->name;
|
nn.by = l->by;
|
nn.by = l->by;
|
if (trace_file_tries)
|
if (trace_file_tries)
|
info_msg (_("%s needed by %B\n"), l->name, l->by);
|
info_msg (_("%s needed by %B\n"), l->name, l->by);
|
|
|
/* As-needed libs specified on the command line (or linker script)
|
/* As-needed libs specified on the command line (or linker script)
|
take priority over libs found in search dirs. */
|
take priority over libs found in search dirs. */
|
if (global_found != NULL)
|
if (global_found != NULL)
|
{
|
{
|
nn.name = global_found->filename;
|
nn.name = global_found->filename;
|
if (gld${EMULATION_NAME}_try_needed (&nn, TRUE))
|
if (gld${EMULATION_NAME}_try_needed (&nn, TRUE))
|
continue;
|
continue;
|
}
|
}
|
|
|
/* We need to find this file and include the symbol table. We
|
/* We need to find this file and include the symbol table. We
|
want to search for the file in the same way that the dynamic
|
want to search for the file in the same way that the dynamic
|
linker will search. That means that we want to use
|
linker will search. That means that we want to use
|
rpath_link, rpath, then the environment variable
|
rpath_link, rpath, then the environment variable
|
LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH
|
LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH
|
entries (native only), then the linker script LIB_SEARCH_DIRS.
|
entries (native only), then the linker script LIB_SEARCH_DIRS.
|
We do not search using the -L arguments.
|
We do not search using the -L arguments.
|
|
|
We search twice. The first time, we skip objects which may
|
We search twice. The first time, we skip objects which may
|
introduce version mismatches. The second time, we force
|
introduce version mismatches. The second time, we force
|
their use. See gld${EMULATION_NAME}_vercheck comment. */
|
their use. See gld${EMULATION_NAME}_vercheck comment. */
|
for (force = 0; force < 2; force++)
|
for (force = 0; force < 2; force++)
|
{
|
{
|
size_t len;
|
size_t len;
|
search_dirs_type *search;
|
search_dirs_type *search;
|
EOF
|
EOF
|
if [ "x${NATIVE}" = xyes ] ; then
|
if [ "x${NATIVE}" = xyes ] ; then
|
fragment <
|
fragment <
|
const char *lib_path;
|
const char *lib_path;
|
EOF
|
EOF
|
fi
|
fi
|
if [ "x${USE_LIBPATH}" = xyes ] ; then
|
if [ "x${USE_LIBPATH}" = xyes ] ; then
|
fragment <
|
fragment <
|
struct bfd_link_needed_list *rp;
|
struct bfd_link_needed_list *rp;
|
int found;
|
int found;
|
EOF
|
EOF
|
fi
|
fi
|
fragment <
|
fragment <
|
|
|
if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link,
|
if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link,
|
&n, force))
|
&n, force))
|
break;
|
break;
|
EOF
|
EOF
|
if [ "x${USE_LIBPATH}" = xyes ] ; then
|
if [ "x${USE_LIBPATH}" = xyes ] ; then
|
fragment <
|
fragment <
|
if (gld${EMULATION_NAME}_search_needed (command_line.rpath,
|
if (gld${EMULATION_NAME}_search_needed (command_line.rpath,
|
&n, force))
|
&n, force))
|
break;
|
break;
|
EOF
|
EOF
|
fi
|
fi
|
if [ "x${NATIVE}" = xyes ] ; then
|
if [ "x${NATIVE}" = xyes ] ; then
|
fragment <
|
fragment <
|
if (command_line.rpath_link == NULL
|
if (command_line.rpath_link == NULL
|
&& command_line.rpath == NULL)
|
&& command_line.rpath == NULL)
|
{
|
{
|
lib_path = (const char *) getenv ("LD_RUN_PATH");
|
lib_path = (const char *) getenv ("LD_RUN_PATH");
|
if (gld${EMULATION_NAME}_search_needed (lib_path, &n,
|
if (gld${EMULATION_NAME}_search_needed (lib_path, &n,
|
force))
|
force))
|
break;
|
break;
|
}
|
}
|
lib_path = (const char *) getenv ("LD_LIBRARY_PATH");
|
lib_path = (const char *) getenv ("LD_LIBRARY_PATH");
|
if (gld${EMULATION_NAME}_search_needed (lib_path, &n, force))
|
if (gld${EMULATION_NAME}_search_needed (lib_path, &n, force))
|
break;
|
break;
|
EOF
|
EOF
|
fi
|
fi
|
if [ "x${USE_LIBPATH}" = xyes ] ; then
|
if [ "x${USE_LIBPATH}" = xyes ] ; then
|
fragment <
|
fragment <
|
found = 0;
|
found = 0;
|
rp = bfd_elf_get_runpath_list (link_info.output_bfd, &link_info);
|
rp = bfd_elf_get_runpath_list (link_info.output_bfd, &link_info);
|
for (; !found && rp != NULL; rp = rp->next)
|
for (; !found && rp != NULL; rp = rp->next)
|
{
|
{
|
char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name);
|
char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name);
|
found = (rp->by == l->by
|
found = (rp->by == l->by
|
&& gld${EMULATION_NAME}_search_needed (tmpname,
|
&& gld${EMULATION_NAME}_search_needed (tmpname,
|
&n,
|
&n,
|
force));
|
force));
|
free (tmpname);
|
free (tmpname);
|
}
|
}
|
if (found)
|
if (found)
|
break;
|
break;
|
|
|
EOF
|
EOF
|
fi
|
fi
|
if [ "x${USE_LIBPATH}" = xyes ] ; then
|
if [ "x${USE_LIBPATH}" = xyes ] ; then
|
case ${target} in
|
case ${target} in
|
*-*-freebsd* | *-*-dragonfly*)
|
*-*-freebsd* | *-*-dragonfly*)
|
fragment <
|
fragment <
|
if (gld${EMULATION_NAME}_check_ld_elf_hints (l->name, force))
|
if (gld${EMULATION_NAME}_check_ld_elf_hints (l->name, force))
|
break;
|
break;
|
EOF
|
EOF
|
# FreeBSD
|
# FreeBSD
|
;;
|
;;
|
|
|
*-*-linux-* | *-*-k*bsd*-*)
|
*-*-linux-* | *-*-k*bsd*-*)
|
# Linux
|
# Linux
|
fragment <
|
fragment <
|
if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force))
|
if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force))
|
break;
|
break;
|
|
|
EOF
|
EOF
|
;;
|
;;
|
esac
|
esac
|
fi
|
fi
|
fragment <
|
fragment <
|
len = strlen (l->name);
|
len = strlen (l->name);
|
for (search = search_head; search != NULL; search = search->next)
|
for (search = search_head; search != NULL; search = search->next)
|
{
|
{
|
char *filename;
|
char *filename;
|
|
|
if (search->cmdline)
|
if (search->cmdline)
|
continue;
|
continue;
|
filename = (char *) xmalloc (strlen (search->name) + len + 2);
|
filename = (char *) xmalloc (strlen (search->name) + len + 2);
|
sprintf (filename, "%s/%s", search->name, l->name);
|
sprintf (filename, "%s/%s", search->name, l->name);
|
nn.name = filename;
|
nn.name = filename;
|
if (gld${EMULATION_NAME}_try_needed (&nn, force))
|
if (gld${EMULATION_NAME}_try_needed (&nn, force))
|
break;
|
break;
|
free (filename);
|
free (filename);
|
}
|
}
|
if (search != NULL)
|
if (search != NULL)
|
break;
|
break;
|
EOF
|
EOF
|
fragment <
|
fragment <
|
}
|
}
|
|
|
if (force < 2)
|
if (force < 2)
|
continue;
|
continue;
|
|
|
einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n",
|
einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n",
|
l->name, l->by);
|
l->name, l->by);
|
}
|
}
|
}
|
}
|
|
|
EOF
|
EOF
|
fi
|
fi
|
|
|
fragment <
|
fragment <
|
|
|
/* Look through an expression for an assignment statement. */
|
/* Look through an expression for an assignment statement. */
|
|
|
static void
|
static void
|
gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp)
|
gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp)
|
{
|
{
|
bfd_boolean provide = FALSE;
|
bfd_boolean provide = FALSE;
|
|
|
switch (exp->type.node_class)
|
switch (exp->type.node_class)
|
{
|
{
|
case etree_provide:
|
case etree_provide:
|
provide = TRUE;
|
provide = TRUE;
|
/* Fall thru */
|
/* Fall thru */
|
case etree_assign:
|
case etree_assign:
|
/* We call record_link_assignment even if the symbol is defined.
|
/* We call record_link_assignment even if the symbol is defined.
|
This is because if it is defined by a dynamic object, we
|
This is because if it is defined by a dynamic object, we
|
actually want to use the value defined by the linker script,
|
actually want to use the value defined by the linker script,
|
not the value from the dynamic object (because we are setting
|
not the value from the dynamic object (because we are setting
|
symbols like etext). If the symbol is defined by a regular
|
symbols like etext). If the symbol is defined by a regular
|
object, then, as it happens, calling record_link_assignment
|
object, then, as it happens, calling record_link_assignment
|
will do no harm. */
|
will do no harm. */
|
if (strcmp (exp->assign.dst, ".") != 0)
|
if (strcmp (exp->assign.dst, ".") != 0)
|
{
|
{
|
if (!bfd_elf_record_link_assignment (link_info.output_bfd,
|
if (!bfd_elf_record_link_assignment (link_info.output_bfd,
|
&link_info,
|
&link_info,
|
exp->assign.dst, provide,
|
exp->assign.dst, provide,
|
exp->assign.hidden))
|
exp->assign.hidden))
|
einfo ("%P%F: failed to record assignment to %s: %E\n",
|
einfo ("%P%F: failed to record assignment to %s: %E\n",
|
exp->assign.dst);
|
exp->assign.dst);
|
}
|
}
|
gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src);
|
gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src);
|
break;
|
break;
|
|
|
case etree_binary:
|
case etree_binary:
|
gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs);
|
gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs);
|
gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs);
|
gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs);
|
break;
|
break;
|
|
|
case etree_trinary:
|
case etree_trinary:
|
gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond);
|
gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond);
|
gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs);
|
gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs);
|
gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs);
|
gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs);
|
break;
|
break;
|
|
|
case etree_unary:
|
case etree_unary:
|
gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child);
|
gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child);
|
break;
|
break;
|
|
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
|
|
/* This is called by the before_allocation routine via
|
/* This is called by the before_allocation routine via
|
lang_for_each_statement. It locates any assignment statements, and
|
lang_for_each_statement. It locates any assignment statements, and
|
tells the ELF backend about them, in case they are assignments to
|
tells the ELF backend about them, in case they are assignments to
|
symbols which are referred to by dynamic objects. */
|
symbols which are referred to by dynamic objects. */
|
|
|
static void
|
static void
|
gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s)
|
gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s)
|
{
|
{
|
if (s->header.type == lang_assignment_statement_enum)
|
if (s->header.type == lang_assignment_statement_enum)
|
gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
|
gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
|
}
|
}
|
|
|
EOF
|
EOF
|
|
|
if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then
|
if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then
|
if test x"${ELF_INTERPRETER_NAME+set}" = xset; then
|
if test x"${ELF_INTERPRETER_NAME+set}" = xset; then
|
ELF_INTERPRETER_SET_DEFAULT="
|
ELF_INTERPRETER_SET_DEFAULT="
|
if (sinterp != NULL)
|
if (sinterp != NULL)
|
{
|
{
|
sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME};
|
sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME};
|
sinterp->size = strlen ((char *) sinterp->contents) + 1;
|
sinterp->size = strlen ((char *) sinterp->contents) + 1;
|
}
|
}
|
|
|
"
|
"
|
else
|
else
|
ELF_INTERPRETER_SET_DEFAULT=
|
ELF_INTERPRETER_SET_DEFAULT=
|
fi
|
fi
|
fragment <
|
fragment <
|
|
|
/* This is called after the sections have been attached to output
|
/* This is called after the sections have been attached to output
|
sections, but before any sizes or addresses have been set. */
|
sections, but before any sizes or addresses have been set. */
|
|
|
static void
|
static void
|
gld${EMULATION_NAME}_before_allocation (void)
|
gld${EMULATION_NAME}_before_allocation (void)
|
{
|
{
|
const char *rpath;
|
const char *rpath;
|
asection *sinterp;
|
asection *sinterp;
|
|
|
if (link_info.hash->type == bfd_link_elf_hash_table)
|
if (link_info.hash->type == bfd_link_elf_hash_table)
|
_bfd_elf_tls_setup (link_info.output_bfd, &link_info);
|
_bfd_elf_tls_setup (link_info.output_bfd, &link_info);
|
|
|
/* If we are going to make any variable assignments, we need to let
|
/* If we are going to make any variable assignments, we need to let
|
the ELF backend know about them in case the variables are
|
the ELF backend know about them in case the variables are
|
referred to by dynamic objects. */
|
referred to by dynamic objects. */
|
lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment);
|
lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment);
|
|
|
/* Let the ELF backend work out the sizes of any sections required
|
/* Let the ELF backend work out the sizes of any sections required
|
by dynamic linking. */
|
by dynamic linking. */
|
rpath = command_line.rpath;
|
rpath = command_line.rpath;
|
if (rpath == NULL)
|
if (rpath == NULL)
|
rpath = (const char *) getenv ("LD_RUN_PATH");
|
rpath = (const char *) getenv ("LD_RUN_PATH");
|
if (! (bfd_elf_size_dynamic_sections
|
if (! (bfd_elf_size_dynamic_sections
|
(link_info.output_bfd, command_line.soname, rpath,
|
(link_info.output_bfd, command_line.soname, rpath,
|
command_line.filter_shlib,
|
command_line.filter_shlib,
|
(const char * const *) command_line.auxiliary_filters,
|
(const char * const *) command_line.auxiliary_filters,
|
&link_info, &sinterp, lang_elf_version_info)))
|
&link_info, &sinterp, lang_elf_version_info)))
|
einfo ("%P%F: failed to set dynamic section sizes: %E\n");
|
einfo ("%P%F: failed to set dynamic section sizes: %E\n");
|
|
|
${ELF_INTERPRETER_SET_DEFAULT}
|
${ELF_INTERPRETER_SET_DEFAULT}
|
/* Let the user override the dynamic linker we are using. */
|
/* Let the user override the dynamic linker we are using. */
|
if (command_line.interpreter != NULL
|
if (command_line.interpreter != NULL
|
&& sinterp != NULL)
|
&& sinterp != NULL)
|
{
|
{
|
sinterp->contents = (bfd_byte *) command_line.interpreter;
|
sinterp->contents = (bfd_byte *) command_line.interpreter;
|
sinterp->size = strlen (command_line.interpreter) + 1;
|
sinterp->size = strlen (command_line.interpreter) + 1;
|
}
|
}
|
|
|
/* Look for any sections named .gnu.warning. As a GNU extensions,
|
/* Look for any sections named .gnu.warning. As a GNU extensions,
|
we treat such sections as containing warning messages. We print
|
we treat such sections as containing warning messages. We print
|
out the warning message, and then zero out the section size so
|
out the warning message, and then zero out the section size so
|
that it does not get copied into the output file. */
|
that it does not get copied into the output file. */
|
|
|
{
|
{
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
LANG_FOR_EACH_INPUT_STATEMENT (is)
|
{
|
{
|
asection *s;
|
asection *s;
|
bfd_size_type sz;
|
bfd_size_type sz;
|
char *msg;
|
char *msg;
|
bfd_boolean ret;
|
bfd_boolean ret;
|
|
|
if (is->just_syms_flag)
|
if (is->just_syms_flag)
|
continue;
|
continue;
|
|
|
s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning");
|
s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning");
|
if (s == NULL)
|
if (s == NULL)
|
continue;
|
continue;
|
|
|
sz = s->size;
|
sz = s->size;
|
msg = xmalloc ((size_t) (sz + 1));
|
msg = xmalloc ((size_t) (sz + 1));
|
if (! bfd_get_section_contents (is->the_bfd, s, msg,
|
if (! bfd_get_section_contents (is->the_bfd, s, msg,
|
(file_ptr) 0, sz))
|
(file_ptr) 0, sz))
|
einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n",
|
einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n",
|
is->the_bfd);
|
is->the_bfd);
|
msg[sz] = '\0';
|
msg[sz] = '\0';
|
ret = link_info.callbacks->warning (&link_info, msg,
|
ret = link_info.callbacks->warning (&link_info, msg,
|
(const char *) NULL,
|
(const char *) NULL,
|
is->the_bfd, (asection *) NULL,
|
is->the_bfd, (asection *) NULL,
|
(bfd_vma) 0);
|
(bfd_vma) 0);
|
ASSERT (ret);
|
ASSERT (ret);
|
free (msg);
|
free (msg);
|
|
|
/* Clobber the section size, so that we don't waste space
|
/* Clobber the section size, so that we don't waste space
|
copying the warning into the output file. If we've already
|
copying the warning into the output file. If we've already
|
sized the output section, adjust its size. The adjustment
|
sized the output section, adjust its size. The adjustment
|
is on rawsize because targets that size sections early will
|
is on rawsize because targets that size sections early will
|
have called lang_reset_memory_regions after sizing. */
|
have called lang_reset_memory_regions after sizing. */
|
if (s->output_section != NULL
|
if (s->output_section != NULL
|
&& s->output_section->rawsize >= s->size)
|
&& s->output_section->rawsize >= s->size)
|
s->output_section->rawsize -= s->size;
|
s->output_section->rawsize -= s->size;
|
|
|
s->size = 0;
|
s->size = 0;
|
|
|
/* Also set SEC_EXCLUDE, so that local symbols defined in the
|
/* Also set SEC_EXCLUDE, so that local symbols defined in the
|
warning section don't get copied to the output. */
|
warning section don't get copied to the output. */
|
s->flags |= SEC_EXCLUDE | SEC_KEEP;
|
s->flags |= SEC_EXCLUDE | SEC_KEEP;
|
}
|
}
|
}
|
}
|
|
|
before_allocation_default ();
|
before_allocation_default ();
|
|
|
if (!bfd_elf_size_dynsym_hash_dynstr (link_info.output_bfd, &link_info))
|
if (!bfd_elf_size_dynsym_hash_dynstr (link_info.output_bfd, &link_info))
|
einfo ("%P%F: failed to set dynamic section sizes: %E\n");
|
einfo ("%P%F: failed to set dynamic section sizes: %E\n");
|
}
|
}
|
|
|
EOF
|
EOF
|
fi
|
fi
|
|
|
if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then
|
if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then
|
fragment <
|
fragment <
|
|
|
/* Try to open a dynamic archive. This is where we know that ELF
|
/* Try to open a dynamic archive. This is where we know that ELF
|
dynamic libraries have an extension of .so (or .sl on oddball systems
|
dynamic libraries have an extension of .so (or .sl on oddball systems
|
like hpux). */
|
like hpux). */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
gld${EMULATION_NAME}_open_dynamic_archive
|
gld${EMULATION_NAME}_open_dynamic_archive
|
(const char *arch, search_dirs_type *search, lang_input_statement_type *entry)
|
(const char *arch, search_dirs_type *search, lang_input_statement_type *entry)
|
{
|
{
|
const char *filename;
|
const char *filename;
|
char *string;
|
char *string;
|
|
|
if (! entry->is_archive)
|
if (! entry->is_archive)
|
return FALSE;
|
return FALSE;
|
|
|
filename = entry->filename;
|
filename = entry->filename;
|
|
|
/* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION
|
/* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION
|
is defined, but it does not seem worth the headache to optimize
|
is defined, but it does not seem worth the headache to optimize
|
away those two bytes of space. */
|
away those two bytes of space. */
|
string = (char *) xmalloc (strlen (search->name)
|
string = (char *) xmalloc (strlen (search->name)
|
+ strlen (filename)
|
+ strlen (filename)
|
+ strlen (arch)
|
+ strlen (arch)
|
#ifdef EXTRA_SHLIB_EXTENSION
|
#ifdef EXTRA_SHLIB_EXTENSION
|
+ strlen (EXTRA_SHLIB_EXTENSION)
|
+ strlen (EXTRA_SHLIB_EXTENSION)
|
#endif
|
#endif
|
+ sizeof "/lib.so");
|
+ sizeof "/lib.so");
|
|
|
sprintf (string, "%s/lib%s%s.so", search->name, filename, arch);
|
sprintf (string, "%s/lib%s%s.so", search->name, filename, arch);
|
|
|
#ifdef EXTRA_SHLIB_EXTENSION
|
#ifdef EXTRA_SHLIB_EXTENSION
|
/* Try the .so extension first. If that fails build a new filename
|
/* Try the .so extension first. If that fails build a new filename
|
using EXTRA_SHLIB_EXTENSION. */
|
using EXTRA_SHLIB_EXTENSION. */
|
if (! ldfile_try_open_bfd (string, entry))
|
if (! ldfile_try_open_bfd (string, entry))
|
sprintf (string, "%s/lib%s%s%s", search->name,
|
sprintf (string, "%s/lib%s%s%s", search->name,
|
filename, arch, EXTRA_SHLIB_EXTENSION);
|
filename, arch, EXTRA_SHLIB_EXTENSION);
|
#endif
|
#endif
|
|
|
if (! ldfile_try_open_bfd (string, entry))
|
if (! ldfile_try_open_bfd (string, entry))
|
{
|
{
|
free (string);
|
free (string);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
entry->filename = string;
|
entry->filename = string;
|
|
|
/* We have found a dynamic object to include in the link. The ELF
|
/* We have found a dynamic object to include in the link. The ELF
|
backend linker will create a DT_NEEDED entry in the .dynamic
|
backend linker will create a DT_NEEDED entry in the .dynamic
|
section naming this file. If this file includes a DT_SONAME
|
section naming this file. If this file includes a DT_SONAME
|
entry, it will be used. Otherwise, the ELF linker will just use
|
entry, it will be used. Otherwise, the ELF linker will just use
|
the name of the file. For an archive found by searching, like
|
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
|
this one, the DT_NEEDED entry should consist of just the name of
|
the file, without the path information used to find it. Note
|
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
|
that we only need to do this if we have a dynamic object; an
|
archive will never be referenced by a DT_NEEDED entry.
|
archive will never be referenced by a DT_NEEDED entry.
|
|
|
FIXME: This approach--using bfd_elf_set_dt_needed_name--is not
|
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
|
very pretty. I haven't been able to think of anything that is
|
pretty, though. */
|
pretty, though. */
|
if (bfd_check_format (entry->the_bfd, bfd_object)
|
if (bfd_check_format (entry->the_bfd, bfd_object)
|
&& (entry->the_bfd->flags & DYNAMIC) != 0)
|
&& (entry->the_bfd->flags & DYNAMIC) != 0)
|
{
|
{
|
ASSERT (entry->is_archive && entry->search_dirs_flag);
|
ASSERT (entry->is_archive && entry->search_dirs_flag);
|
|
|
/* Rather than duplicating the logic above. Just use the
|
/* Rather than duplicating the logic above. Just use the
|
filename we recorded earlier. */
|
filename we recorded earlier. */
|
|
|
filename = lbasename (entry->filename);
|
filename = lbasename (entry->filename);
|
bfd_elf_set_dt_needed_name (entry->the_bfd, filename);
|
bfd_elf_set_dt_needed_name (entry->the_bfd, filename);
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
EOF
|
EOF
|
fi
|
fi
|
|
|
if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then
|
if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then
|
fragment <
|
fragment <
|
|
|
/* A variant of lang_output_section_find used by place_orphan. */
|
/* A variant of lang_output_section_find used by place_orphan. */
|
|
|
static lang_output_section_statement_type *
|
static lang_output_section_statement_type *
|
output_rel_find (asection *sec, int isdyn)
|
output_rel_find (asection *sec, int isdyn)
|
{
|
{
|
lang_output_section_statement_type *lookup;
|
lang_output_section_statement_type *lookup;
|
lang_output_section_statement_type *last = NULL;
|
lang_output_section_statement_type *last = NULL;
|
lang_output_section_statement_type *last_alloc = NULL;
|
lang_output_section_statement_type *last_alloc = NULL;
|
lang_output_section_statement_type *last_ro_alloc = NULL;
|
lang_output_section_statement_type *last_ro_alloc = NULL;
|
lang_output_section_statement_type *last_rel = NULL;
|
lang_output_section_statement_type *last_rel = NULL;
|
lang_output_section_statement_type *last_rel_alloc = NULL;
|
lang_output_section_statement_type *last_rel_alloc = NULL;
|
int rela = sec->name[4] == 'a';
|
int rela = sec->name[4] == 'a';
|
|
|
for (lookup = &lang_output_section_statement.head->output_section_statement;
|
for (lookup = &lang_output_section_statement.head->output_section_statement;
|
lookup != NULL;
|
lookup != NULL;
|
lookup = lookup->next)
|
lookup = lookup->next)
|
{
|
{
|
if (lookup->constraint != -1
|
if (lookup->constraint != -1
|
&& CONST_STRNEQ (lookup->name, ".rel"))
|
&& CONST_STRNEQ (lookup->name, ".rel"))
|
{
|
{
|
int lookrela = lookup->name[4] == 'a';
|
int lookrela = lookup->name[4] == 'a';
|
|
|
/* .rel.dyn must come before all other reloc sections, to suit
|
/* .rel.dyn must come before all other reloc sections, to suit
|
GNU ld.so. */
|
GNU ld.so. */
|
if (isdyn)
|
if (isdyn)
|
break;
|
break;
|
|
|
/* Don't place after .rel.plt as doing so results in wrong
|
/* Don't place after .rel.plt as doing so results in wrong
|
dynamic tags. */
|
dynamic tags. */
|
if (strcmp (".plt", lookup->name + 4 + lookrela) == 0)
|
if (strcmp (".plt", lookup->name + 4 + lookrela) == 0)
|
break;
|
break;
|
|
|
if (rela == lookrela || last_rel == NULL)
|
if (rela == lookrela || last_rel == NULL)
|
last_rel = lookup;
|
last_rel = lookup;
|
if ((rela == lookrela || last_rel_alloc == NULL)
|
if ((rela == lookrela || last_rel_alloc == NULL)
|
&& lookup->bfd_section != NULL
|
&& lookup->bfd_section != NULL
|
&& (lookup->bfd_section->flags & SEC_ALLOC) != 0)
|
&& (lookup->bfd_section->flags & SEC_ALLOC) != 0)
|
last_rel_alloc = lookup;
|
last_rel_alloc = lookup;
|
}
|
}
|
|
|
last = lookup;
|
last = lookup;
|
if (lookup->bfd_section != NULL
|
if (lookup->bfd_section != NULL
|
&& (lookup->bfd_section->flags & SEC_ALLOC) != 0)
|
&& (lookup->bfd_section->flags & SEC_ALLOC) != 0)
|
{
|
{
|
last_alloc = lookup;
|
last_alloc = lookup;
|
if ((lookup->bfd_section->flags & SEC_READONLY) != 0)
|
if ((lookup->bfd_section->flags & SEC_READONLY) != 0)
|
last_ro_alloc = lookup;
|
last_ro_alloc = lookup;
|
}
|
}
|
}
|
}
|
|
|
if (last_rel_alloc)
|
if (last_rel_alloc)
|
return last_rel_alloc;
|
return last_rel_alloc;
|
|
|
if (last_rel)
|
if (last_rel)
|
return last_rel;
|
return last_rel;
|
|
|
if (last_ro_alloc)
|
if (last_ro_alloc)
|
return last_ro_alloc;
|
return last_ro_alloc;
|
|
|
if (last_alloc)
|
if (last_alloc)
|
return last_alloc;
|
return last_alloc;
|
|
|
return last;
|
return last;
|
}
|
}
|
|
|
/* Place an orphan section. We use this to put random SHF_ALLOC
|
/* Place an orphan section. We use this to put random SHF_ALLOC
|
sections in the right segment. */
|
sections in the right segment. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
gld${EMULATION_NAME}_place_orphan (asection *s)
|
gld${EMULATION_NAME}_place_orphan (asection *s)
|
{
|
{
|
static struct orphan_save hold[] =
|
static struct orphan_save hold[] =
|
{
|
{
|
{ ".text",
|
{ ".text",
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
|
0, 0, 0, 0 },
|
0, 0, 0, 0 },
|
{ ".rodata",
|
{ ".rodata",
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
|
0, 0, 0, 0 },
|
0, 0, 0, 0 },
|
{ ".data",
|
{ ".data",
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
|
0, 0, 0, 0 },
|
0, 0, 0, 0 },
|
{ ".bss",
|
{ ".bss",
|
SEC_ALLOC,
|
SEC_ALLOC,
|
0, 0, 0, 0 },
|
0, 0, 0, 0 },
|
{ 0,
|
{ 0,
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
|
0, 0, 0, 0 },
|
0, 0, 0, 0 },
|
{ ".interp",
|
{ ".interp",
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
|
0, 0, 0, 0 },
|
0, 0, 0, 0 },
|
{ ".sdata",
|
{ ".sdata",
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA,
|
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA,
|
0, 0, 0, 0 }
|
0, 0, 0, 0 }
|
};
|
};
|
enum orphan_save_index
|
enum orphan_save_index
|
{
|
{
|
orphan_text = 0,
|
orphan_text = 0,
|
orphan_rodata,
|
orphan_rodata,
|
orphan_data,
|
orphan_data,
|
orphan_bss,
|
orphan_bss,
|
orphan_rel,
|
orphan_rel,
|
orphan_interp,
|
orphan_interp,
|
orphan_sdata
|
orphan_sdata
|
};
|
};
|
static int orphan_init_done = 0;
|
static int orphan_init_done = 0;
|
struct orphan_save *place;
|
struct orphan_save *place;
|
const char *secname;
|
const char *secname;
|
lang_output_section_statement_type *after;
|
lang_output_section_statement_type *after;
|
lang_output_section_statement_type *os;
|
lang_output_section_statement_type *os;
|
int isdyn = 0;
|
int isdyn = 0;
|
int iself = s->owner->xvec->flavour == bfd_target_elf_flavour;
|
int iself = s->owner->xvec->flavour == bfd_target_elf_flavour;
|
unsigned int sh_type = iself ? elf_section_type (s) : SHT_NULL;
|
unsigned int sh_type = iself ? elf_section_type (s) : SHT_NULL;
|
|
|
secname = bfd_get_section_name (s->owner, s);
|
secname = bfd_get_section_name (s->owner, s);
|
|
|
if (! link_info.relocatable
|
if (! link_info.relocatable
|
&& link_info.combreloc
|
&& link_info.combreloc
|
&& (s->flags & SEC_ALLOC))
|
&& (s->flags & SEC_ALLOC))
|
{
|
{
|
if (iself)
|
if (iself)
|
switch (sh_type)
|
switch (sh_type)
|
{
|
{
|
case SHT_RELA:
|
case SHT_RELA:
|
secname = ".rela.dyn";
|
secname = ".rela.dyn";
|
isdyn = 1;
|
isdyn = 1;
|
break;
|
break;
|
case SHT_REL:
|
case SHT_REL:
|
secname = ".rel.dyn";
|
secname = ".rel.dyn";
|
isdyn = 1;
|
isdyn = 1;
|
break;
|
break;
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
else if (CONST_STRNEQ (secname, ".rel"))
|
else if (CONST_STRNEQ (secname, ".rel"))
|
{
|
{
|
secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn";
|
secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn";
|
isdyn = 1;
|
isdyn = 1;
|
}
|
}
|
}
|
}
|
|
|
if (isdyn || (!config.unique_orphan_sections && !unique_section_p (s)))
|
if (isdyn || (!config.unique_orphan_sections && !unique_section_p (s)))
|
{
|
{
|
/* Look through the script to see where to place this section. */
|
/* Look through the script to see where to place this section. */
|
os = lang_output_section_find (secname);
|
os = lang_output_section_find (secname);
|
|
|
if (os != NULL
|
if (os != NULL
|
&& (os->bfd_section == NULL
|
&& (os->bfd_section == NULL
|
|| os->bfd_section->flags == 0
|
|| os->bfd_section->flags == 0
|
|| (_bfd_elf_match_sections_by_type (link_info.output_bfd,
|
|| (_bfd_elf_match_sections_by_type (link_info.output_bfd,
|
os->bfd_section,
|
os->bfd_section,
|
s->owner, s)
|
s->owner, s)
|
&& ((s->flags ^ os->bfd_section->flags)
|
&& ((s->flags ^ os->bfd_section->flags)
|
& (SEC_LOAD | SEC_ALLOC)) == 0)))
|
& (SEC_LOAD | SEC_ALLOC)) == 0)))
|
{
|
{
|
/* We already have an output section statement with this
|
/* We already have an output section statement with this
|
name, and its bfd section, if any, has compatible flags.
|
name, and its bfd section, if any, has compatible flags.
|
If the section already exists but does not have any flags
|
If the section already exists but does not have any flags
|
set, then it has been created by the linker, probably as a
|
set, then it has been created by the linker, probably as a
|
result of a --section-start command line switch. */
|
result of a --section-start command line switch. */
|
lang_add_section (&os->children, s, os);
|
lang_add_section (&os->children, s, os);
|
return TRUE;
|
return TRUE;
|
}
|
}
|
}
|
}
|
|
|
if (!orphan_init_done)
|
if (!orphan_init_done)
|
{
|
{
|
struct orphan_save *ho;
|
struct orphan_save *ho;
|
for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
|
for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
|
if (ho->name != NULL)
|
if (ho->name != NULL)
|
{
|
{
|
ho->os = lang_output_section_find (ho->name);
|
ho->os = lang_output_section_find (ho->name);
|
if (ho->os != NULL && ho->os->flags == 0)
|
if (ho->os != NULL && ho->os->flags == 0)
|
ho->os->flags = ho->flags;
|
ho->os->flags = ho->flags;
|
}
|
}
|
orphan_init_done = 1;
|
orphan_init_done = 1;
|
}
|
}
|
|
|
/* If this is a final link, then always put .gnu.warning.SYMBOL
|
/* If this is a final link, then always put .gnu.warning.SYMBOL
|
sections into the .text section to get them out of the way. */
|
sections into the .text section to get them out of the way. */
|
if (link_info.executable
|
if (link_info.executable
|
&& ! link_info.relocatable
|
&& ! link_info.relocatable
|
&& CONST_STRNEQ (secname, ".gnu.warning.")
|
&& CONST_STRNEQ (secname, ".gnu.warning.")
|
&& hold[orphan_text].os != NULL)
|
&& hold[orphan_text].os != NULL)
|
{
|
{
|
lang_add_section (&hold[orphan_text].os->children, s,
|
lang_add_section (&hold[orphan_text].os->children, s,
|
hold[orphan_text].os);
|
hold[orphan_text].os);
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Decide which segment the section should go in based on the
|
/* Decide which segment the section should go in based on the
|
section name and section flags. We put loadable .note sections
|
section name and section flags. We put loadable .note sections
|
right after the .interp section, so that the PT_NOTE segment is
|
right after the .interp section, so that the PT_NOTE segment is
|
stored right after the program headers where the OS can read it
|
stored right after the program headers where the OS can read it
|
in the first page. */
|
in the first page. */
|
|
|
place = NULL;
|
place = NULL;
|
if ((s->flags & SEC_ALLOC) == 0)
|
if ((s->flags & SEC_ALLOC) == 0)
|
;
|
;
|
else if ((s->flags & SEC_LOAD) != 0
|
else if ((s->flags & SEC_LOAD) != 0
|
&& ((iself && sh_type == SHT_NOTE)
|
&& ((iself && sh_type == SHT_NOTE)
|
|| (!iself && CONST_STRNEQ (secname, ".note"))))
|
|| (!iself && CONST_STRNEQ (secname, ".note"))))
|
place = &hold[orphan_interp];
|
place = &hold[orphan_interp];
|
else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
|
else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
|
place = &hold[orphan_bss];
|
place = &hold[orphan_bss];
|
else if ((s->flags & SEC_SMALL_DATA) != 0)
|
else if ((s->flags & SEC_SMALL_DATA) != 0)
|
place = &hold[orphan_sdata];
|
place = &hold[orphan_sdata];
|
else if ((s->flags & SEC_READONLY) == 0)
|
else if ((s->flags & SEC_READONLY) == 0)
|
place = &hold[orphan_data];
|
place = &hold[orphan_data];
|
else if (((iself && (sh_type == SHT_RELA || sh_type == SHT_REL))
|
else if (((iself && (sh_type == SHT_RELA || sh_type == SHT_REL))
|
|| (!iself && CONST_STRNEQ (secname, ".rel")))
|
|| (!iself && CONST_STRNEQ (secname, ".rel")))
|
&& (s->flags & SEC_LOAD) != 0)
|
&& (s->flags & SEC_LOAD) != 0)
|
place = &hold[orphan_rel];
|
place = &hold[orphan_rel];
|
else if ((s->flags & SEC_CODE) == 0)
|
else if ((s->flags & SEC_CODE) == 0)
|
place = &hold[orphan_rodata];
|
place = &hold[orphan_rodata];
|
else
|
else
|
place = &hold[orphan_text];
|
place = &hold[orphan_text];
|
|
|
after = NULL;
|
after = NULL;
|
if (place != NULL)
|
if (place != NULL)
|
{
|
{
|
if (place->os == NULL)
|
if (place->os == NULL)
|
{
|
{
|
if (place->name != NULL)
|
if (place->name != NULL)
|
place->os = lang_output_section_find (place->name);
|
place->os = lang_output_section_find (place->name);
|
else
|
else
|
place->os = output_rel_find (s, isdyn);
|
place->os = output_rel_find (s, isdyn);
|
}
|
}
|
after = place->os;
|
after = place->os;
|
if (after == NULL)
|
if (after == NULL)
|
after = lang_output_section_find_by_flags
|
after = lang_output_section_find_by_flags
|
(s, &place->os, _bfd_elf_match_sections_by_type);
|
(s, &place->os, _bfd_elf_match_sections_by_type);
|
if (after == NULL)
|
if (after == NULL)
|
/* *ABS* is always the first output section statement. */
|
/* *ABS* is always the first output section statement. */
|
after = &lang_output_section_statement.head->output_section_statement;
|
after = &lang_output_section_statement.head->output_section_statement;
|
}
|
}
|
|
|
/* Choose a unique name for the section. This will be needed if the
|
/* Choose a unique name for the section. This will be needed if the
|
same section name appears in the input file with different
|
same section name appears in the input file with different
|
loadable or allocatable characteristics. */
|
loadable or allocatable characteristics. */
|
if (bfd_get_section_by_name (link_info.output_bfd, secname) != NULL)
|
if (bfd_get_section_by_name (link_info.output_bfd, secname) != NULL)
|
{
|
{
|
static int count = 1;
|
static int count = 1;
|
secname = bfd_get_unique_section_name (link_info.output_bfd,
|
secname = bfd_get_unique_section_name (link_info.output_bfd,
|
secname, &count);
|
secname, &count);
|
if (secname == NULL)
|
if (secname == NULL)
|
einfo ("%F%P: place_orphan failed: %E\n");
|
einfo ("%F%P: place_orphan failed: %E\n");
|
}
|
}
|
|
|
lang_insert_orphan (s, secname, after, place, NULL, NULL);
|
lang_insert_orphan (s, secname, after, place, NULL, NULL);
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
EOF
|
EOF
|
fi
|
fi
|
|
|
if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then
|
if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then
|
fragment <
|
fragment <
|
|
|
static void
|
static void
|
gld${EMULATION_NAME}_finish (void)
|
gld${EMULATION_NAME}_finish (void)
|
{
|
{
|
bfd_boolean need_layout = bfd_elf_discard_info (link_info.output_bfd,
|
bfd_boolean need_layout = bfd_elf_discard_info (link_info.output_bfd,
|
&link_info);
|
&link_info);
|
|
|
gld${EMULATION_NAME}_map_segments (need_layout);
|
gld${EMULATION_NAME}_map_segments (need_layout);
|
finish_default ();
|
finish_default ();
|
}
|
}
|
EOF
|
EOF
|
fi
|
fi
|
|
|
if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then
|
if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then
|
fragment <
|
fragment <
|
|
|
static char *
|
static char *
|
gld${EMULATION_NAME}_get_script (int *isfile)
|
gld${EMULATION_NAME}_get_script (int *isfile)
|
EOF
|
EOF
|
|
|
if test -n "$COMPILE_IN"
|
if test -n "$COMPILE_IN"
|
then
|
then
|
# Scripts compiled in.
|
# Scripts compiled in.
|
|
|
# sed commands to quote an ld script as a C string.
|
# sed commands to quote an ld script as a C string.
|
sc="-f stringify.sed"
|
sc="-f stringify.sed"
|
|
|
fragment <
|
fragment <
|
{
|
{
|
*isfile = 0;
|
*isfile = 0;
|
|
|
if (link_info.relocatable && config.build_constructors)
|
if (link_info.relocatable && config.build_constructors)
|
return
|
return
|
EOF
|
EOF
|
sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
|
echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
|
echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xr >> 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
|
echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
|
if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else
|
if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else
|
echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
|
echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
|
fi
|
fi
|
if test -n "$GENERATE_PIE_SCRIPT" ; then
|
if test -n "$GENERATE_PIE_SCRIPT" ; then
|
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
|
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
|
echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c
|
echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c
|
echo ' && link_info.relro' >> e${EMULATION_NAME}.c
|
echo ' && link_info.relro' >> e${EMULATION_NAME}.c
|
echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
|
echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c
|
echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c
|
echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c
|
fi
|
fi
|
echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c
|
echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c
|
fi
|
fi
|
if test -n "$GENERATE_SHLIB_SCRIPT" ; then
|
if test -n "$GENERATE_SHLIB_SCRIPT" ; then
|
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
|
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
|
echo ' ; else if (link_info.shared && link_info.combreloc' >> e${EMULATION_NAME}.c
|
echo ' ; else if (link_info.shared && link_info.combreloc' >> e${EMULATION_NAME}.c
|
echo ' && link_info.relro' >> e${EMULATION_NAME}.c
|
echo ' && link_info.relro' >> e${EMULATION_NAME}.c
|
echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
|
echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c
|
echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c
|
echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c
|
fi
|
fi
|
echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c
|
echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c
|
fi
|
fi
|
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
|
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
|
echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c
|
echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c
|
echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
|
echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c
|
echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c
|
echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c
|
fi
|
fi
|
echo ' ; else return' >> e${EMULATION_NAME}.c
|
echo ' ; else return' >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
|
sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
|
echo '; }' >> e${EMULATION_NAME}.c
|
echo '; }' >> e${EMULATION_NAME}.c
|
|
|
else
|
else
|
# Scripts read from the filesystem.
|
# Scripts read from the filesystem.
|
|
|
fragment <
|
fragment <
|
{
|
{
|
*isfile = 1;
|
*isfile = 1;
|
|
|
if (link_info.relocatable && config.build_constructors)
|
if (link_info.relocatable && config.build_constructors)
|
return "ldscripts/${EMULATION_NAME}.xu";
|
return "ldscripts/${EMULATION_NAME}.xu";
|
else if (link_info.relocatable)
|
else if (link_info.relocatable)
|
return "ldscripts/${EMULATION_NAME}.xr";
|
return "ldscripts/${EMULATION_NAME}.xr";
|
else if (!config.text_read_only)
|
else if (!config.text_read_only)
|
return "ldscripts/${EMULATION_NAME}.xbn";
|
return "ldscripts/${EMULATION_NAME}.xbn";
|
EOF
|
EOF
|
if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then :
|
if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then :
|
else
|
else
|
fragment <
|
fragment <
|
else if (!config.magic_demand_paged)
|
else if (!config.magic_demand_paged)
|
return "ldscripts/${EMULATION_NAME}.xn";
|
return "ldscripts/${EMULATION_NAME}.xn";
|
EOF
|
EOF
|
fi
|
fi
|
if test -n "$GENERATE_PIE_SCRIPT" ; then
|
if test -n "$GENERATE_PIE_SCRIPT" ; then
|
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
|
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
|
fragment <
|
fragment <
|
else if (link_info.pie && link_info.combreloc
|
else if (link_info.pie && link_info.combreloc
|
&& link_info.relro && (link_info.flags & DF_BIND_NOW))
|
&& link_info.relro && (link_info.flags & DF_BIND_NOW))
|
return "ldscripts/${EMULATION_NAME}.xdw";
|
return "ldscripts/${EMULATION_NAME}.xdw";
|
else if (link_info.pie && link_info.combreloc)
|
else if (link_info.pie && link_info.combreloc)
|
return "ldscripts/${EMULATION_NAME}.xdc";
|
return "ldscripts/${EMULATION_NAME}.xdc";
|
EOF
|
EOF
|
fi
|
fi
|
fragment <
|
fragment <
|
else if (link_info.pie)
|
else if (link_info.pie)
|
return "ldscripts/${EMULATION_NAME}.xd";
|
return "ldscripts/${EMULATION_NAME}.xd";
|
EOF
|
EOF
|
fi
|
fi
|
if test -n "$GENERATE_SHLIB_SCRIPT" ; then
|
if test -n "$GENERATE_SHLIB_SCRIPT" ; then
|
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
|
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
|
fragment <
|
fragment <
|
else if (link_info.shared && link_info.combreloc
|
else if (link_info.shared && link_info.combreloc
|
&& link_info.relro && (link_info.flags & DF_BIND_NOW))
|
&& link_info.relro && (link_info.flags & DF_BIND_NOW))
|
return "ldscripts/${EMULATION_NAME}.xsw";
|
return "ldscripts/${EMULATION_NAME}.xsw";
|
else if (link_info.shared && link_info.combreloc)
|
else if (link_info.shared && link_info.combreloc)
|
return "ldscripts/${EMULATION_NAME}.xsc";
|
return "ldscripts/${EMULATION_NAME}.xsc";
|
EOF
|
EOF
|
fi
|
fi
|
fragment <
|
fragment <
|
else if (link_info.shared)
|
else if (link_info.shared)
|
return "ldscripts/${EMULATION_NAME}.xs";
|
return "ldscripts/${EMULATION_NAME}.xs";
|
EOF
|
EOF
|
fi
|
fi
|
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
|
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
|
fragment <
|
fragment <
|
else if (link_info.combreloc && link_info.relro
|
else if (link_info.combreloc && link_info.relro
|
&& (link_info.flags & DF_BIND_NOW))
|
&& (link_info.flags & DF_BIND_NOW))
|
return "ldscripts/${EMULATION_NAME}.xw";
|
return "ldscripts/${EMULATION_NAME}.xw";
|
else if (link_info.combreloc)
|
else if (link_info.combreloc)
|
return "ldscripts/${EMULATION_NAME}.xc";
|
return "ldscripts/${EMULATION_NAME}.xc";
|
EOF
|
EOF
|
fi
|
fi
|
fragment <
|
fragment <
|
else
|
else
|
return "ldscripts/${EMULATION_NAME}.x";
|
return "ldscripts/${EMULATION_NAME}.x";
|
}
|
}
|
|
|
EOF
|
EOF
|
fi
|
fi
|
fi
|
fi
|
|
|
if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then
|
if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then
|
|
|
if test -n "$PARSE_AND_LIST_PROLOGUE" ; then
|
if test -n "$PARSE_AND_LIST_PROLOGUE" ; then
|
fragment <
|
fragment <
|
$PARSE_AND_LIST_PROLOGUE
|
$PARSE_AND_LIST_PROLOGUE
|
EOF
|
EOF
|
fi
|
fi
|
|
|
fragment <
|
fragment <
|
|
|
#define OPTION_DISABLE_NEW_DTAGS (400)
|
#define OPTION_DISABLE_NEW_DTAGS (400)
|
#define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1)
|
#define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1)
|
#define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1)
|
#define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1)
|
#define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1)
|
#define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1)
|
#define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1)
|
#define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1)
|
#define OPTION_HASH_STYLE (OPTION_EXCLUDE_LIBS + 1)
|
#define OPTION_HASH_STYLE (OPTION_EXCLUDE_LIBS + 1)
|
#define OPTION_BUILD_ID (OPTION_HASH_STYLE + 1)
|
#define OPTION_BUILD_ID (OPTION_HASH_STYLE + 1)
|
|
|
static void
|
static void
|
gld${EMULATION_NAME}_add_options
|
gld${EMULATION_NAME}_add_options
|
(int ns, char **shortopts, int nl, struct option **longopts,
|
(int ns, char **shortopts, int nl, struct option **longopts,
|
int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED)
|
int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED)
|
{
|
{
|
static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:";
|
static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:";
|
static const struct option xtra_long[] = {
|
static const struct option xtra_long[] = {
|
{"build-id", optional_argument, NULL, OPTION_BUILD_ID},
|
{"build-id", optional_argument, NULL, OPTION_BUILD_ID},
|
EOF
|
EOF
|
|
|
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
|
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
|
fragment <
|
fragment <
|
{"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
|
{"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
|
{"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
|
{"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
|
{"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR},
|
{"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR},
|
{"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
|
{"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
|
{"hash-style", required_argument, NULL, OPTION_HASH_STYLE},
|
{"hash-style", required_argument, NULL, OPTION_HASH_STYLE},
|
{"Bgroup", no_argument, NULL, OPTION_GROUP},
|
{"Bgroup", no_argument, NULL, OPTION_GROUP},
|
EOF
|
EOF
|
fi
|
fi
|
|
|
if test -n "$PARSE_AND_LIST_LONGOPTS" ; then
|
if test -n "$PARSE_AND_LIST_LONGOPTS" ; then
|
fragment <
|
fragment <
|
$PARSE_AND_LIST_LONGOPTS
|
$PARSE_AND_LIST_LONGOPTS
|
EOF
|
EOF
|
fi
|
fi
|
|
|
fragment <
|
fragment <
|
{NULL, no_argument, NULL, 0}
|
{NULL, no_argument, NULL, 0}
|
};
|
};
|
|
|
*shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short));
|
*shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short));
|
memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short));
|
memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short));
|
*longopts = (struct option *)
|
*longopts = (struct option *)
|
xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
|
xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
|
memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
|
memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
|
}
|
}
|
|
|
#define DEFAULT_BUILD_ID_STYLE "sha1"
|
#define DEFAULT_BUILD_ID_STYLE "sha1"
|
|
|
static bfd_boolean
|
static bfd_boolean
|
gld${EMULATION_NAME}_handle_option (int optc)
|
gld${EMULATION_NAME}_handle_option (int optc)
|
{
|
{
|
switch (optc)
|
switch (optc)
|
{
|
{
|
default:
|
default:
|
return FALSE;
|
return FALSE;
|
|
|
case OPTION_BUILD_ID:
|
case OPTION_BUILD_ID:
|
if (link_info.emit_note_gnu_build_id != NULL)
|
if (link_info.emit_note_gnu_build_id != NULL)
|
{
|
{
|
free (link_info.emit_note_gnu_build_id);
|
free (link_info.emit_note_gnu_build_id);
|
link_info.emit_note_gnu_build_id = NULL;
|
link_info.emit_note_gnu_build_id = NULL;
|
}
|
}
|
if (optarg == NULL)
|
if (optarg == NULL)
|
optarg = DEFAULT_BUILD_ID_STYLE;
|
optarg = DEFAULT_BUILD_ID_STYLE;
|
if (strcmp (optarg, "none"))
|
if (strcmp (optarg, "none"))
|
link_info.emit_note_gnu_build_id = xstrdup (optarg);
|
link_info.emit_note_gnu_build_id = xstrdup (optarg);
|
break;
|
break;
|
|
|
EOF
|
EOF
|
|
|
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
|
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
|
fragment <
|
fragment <
|
case OPTION_DISABLE_NEW_DTAGS:
|
case OPTION_DISABLE_NEW_DTAGS:
|
link_info.new_dtags = FALSE;
|
link_info.new_dtags = FALSE;
|
break;
|
break;
|
|
|
case OPTION_ENABLE_NEW_DTAGS:
|
case OPTION_ENABLE_NEW_DTAGS:
|
link_info.new_dtags = TRUE;
|
link_info.new_dtags = TRUE;
|
break;
|
break;
|
|
|
case OPTION_EH_FRAME_HDR:
|
case OPTION_EH_FRAME_HDR:
|
link_info.eh_frame_hdr = TRUE;
|
link_info.eh_frame_hdr = TRUE;
|
break;
|
break;
|
|
|
case OPTION_GROUP:
|
case OPTION_GROUP:
|
link_info.flags_1 |= (bfd_vma) DF_1_GROUP;
|
link_info.flags_1 |= (bfd_vma) DF_1_GROUP;
|
/* Groups must be self-contained. */
|
/* Groups must be self-contained. */
|
link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
|
link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
|
link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
|
link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
|
break;
|
break;
|
|
|
case OPTION_EXCLUDE_LIBS:
|
case OPTION_EXCLUDE_LIBS:
|
add_excluded_libs (optarg);
|
add_excluded_libs (optarg);
|
break;
|
break;
|
|
|
case OPTION_HASH_STYLE:
|
case OPTION_HASH_STYLE:
|
link_info.emit_hash = FALSE;
|
link_info.emit_hash = FALSE;
|
link_info.emit_gnu_hash = FALSE;
|
link_info.emit_gnu_hash = FALSE;
|
if (strcmp (optarg, "sysv") == 0)
|
if (strcmp (optarg, "sysv") == 0)
|
link_info.emit_hash = TRUE;
|
link_info.emit_hash = TRUE;
|
else if (strcmp (optarg, "gnu") == 0)
|
else if (strcmp (optarg, "gnu") == 0)
|
link_info.emit_gnu_hash = TRUE;
|
link_info.emit_gnu_hash = TRUE;
|
else if (strcmp (optarg, "both") == 0)
|
else if (strcmp (optarg, "both") == 0)
|
{
|
{
|
link_info.emit_hash = TRUE;
|
link_info.emit_hash = TRUE;
|
link_info.emit_gnu_hash = TRUE;
|
link_info.emit_gnu_hash = TRUE;
|
}
|
}
|
else
|
else
|
einfo (_("%P%F: invalid hash style \`%s'\n"), optarg);
|
einfo (_("%P%F: invalid hash style \`%s'\n"), optarg);
|
break;
|
break;
|
|
|
case 'z':
|
case 'z':
|
if (strcmp (optarg, "initfirst") == 0)
|
if (strcmp (optarg, "initfirst") == 0)
|
link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
|
link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
|
else if (strcmp (optarg, "interpose") == 0)
|
else if (strcmp (optarg, "interpose") == 0)
|
link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE;
|
link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE;
|
else if (strcmp (optarg, "loadfltr") == 0)
|
else if (strcmp (optarg, "loadfltr") == 0)
|
link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR;
|
link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR;
|
else if (strcmp (optarg, "nodefaultlib") == 0)
|
else if (strcmp (optarg, "nodefaultlib") == 0)
|
link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB;
|
link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB;
|
else if (strcmp (optarg, "nodelete") == 0)
|
else if (strcmp (optarg, "nodelete") == 0)
|
link_info.flags_1 |= (bfd_vma) DF_1_NODELETE;
|
link_info.flags_1 |= (bfd_vma) DF_1_NODELETE;
|
else if (strcmp (optarg, "nodlopen") == 0)
|
else if (strcmp (optarg, "nodlopen") == 0)
|
link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN;
|
link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN;
|
else if (strcmp (optarg, "nodump") == 0)
|
else if (strcmp (optarg, "nodump") == 0)
|
link_info.flags_1 |= (bfd_vma) DF_1_NODUMP;
|
link_info.flags_1 |= (bfd_vma) DF_1_NODUMP;
|
else if (strcmp (optarg, "now") == 0)
|
else if (strcmp (optarg, "now") == 0)
|
{
|
{
|
link_info.flags |= (bfd_vma) DF_BIND_NOW;
|
link_info.flags |= (bfd_vma) DF_BIND_NOW;
|
link_info.flags_1 |= (bfd_vma) DF_1_NOW;
|
link_info.flags_1 |= (bfd_vma) DF_1_NOW;
|
}
|
}
|
else if (strcmp (optarg, "lazy") == 0)
|
else if (strcmp (optarg, "lazy") == 0)
|
{
|
{
|
link_info.flags &= ~(bfd_vma) DF_BIND_NOW;
|
link_info.flags &= ~(bfd_vma) DF_BIND_NOW;
|
link_info.flags_1 &= ~(bfd_vma) DF_1_NOW;
|
link_info.flags_1 &= ~(bfd_vma) DF_1_NOW;
|
}
|
}
|
else if (strcmp (optarg, "origin") == 0)
|
else if (strcmp (optarg, "origin") == 0)
|
{
|
{
|
link_info.flags |= (bfd_vma) DF_ORIGIN;
|
link_info.flags |= (bfd_vma) DF_ORIGIN;
|
link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN;
|
link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN;
|
}
|
}
|
else if (strcmp (optarg, "defs") == 0)
|
else if (strcmp (optarg, "defs") == 0)
|
link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
|
link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
|
else if (strcmp (optarg, "muldefs") == 0)
|
else if (strcmp (optarg, "muldefs") == 0)
|
link_info.allow_multiple_definition = TRUE;
|
link_info.allow_multiple_definition = TRUE;
|
else if (strcmp (optarg, "combreloc") == 0)
|
else if (strcmp (optarg, "combreloc") == 0)
|
link_info.combreloc = TRUE;
|
link_info.combreloc = TRUE;
|
else if (strcmp (optarg, "nocombreloc") == 0)
|
else if (strcmp (optarg, "nocombreloc") == 0)
|
link_info.combreloc = FALSE;
|
link_info.combreloc = FALSE;
|
else if (strcmp (optarg, "nocopyreloc") == 0)
|
else if (strcmp (optarg, "nocopyreloc") == 0)
|
link_info.nocopyreloc = TRUE;
|
link_info.nocopyreloc = TRUE;
|
else if (strcmp (optarg, "execstack") == 0)
|
else if (strcmp (optarg, "execstack") == 0)
|
{
|
{
|
link_info.execstack = TRUE;
|
link_info.execstack = TRUE;
|
link_info.noexecstack = FALSE;
|
link_info.noexecstack = FALSE;
|
}
|
}
|
else if (strcmp (optarg, "noexecstack") == 0)
|
else if (strcmp (optarg, "noexecstack") == 0)
|
{
|
{
|
link_info.noexecstack = TRUE;
|
link_info.noexecstack = TRUE;
|
link_info.execstack = FALSE;
|
link_info.execstack = FALSE;
|
}
|
}
|
EOF
|
EOF
|
|
|
if test -n "$COMMONPAGESIZE"; then
|
if test -n "$COMMONPAGESIZE"; then
|
fragment <
|
fragment <
|
else if (strcmp (optarg, "relro") == 0)
|
else if (strcmp (optarg, "relro") == 0)
|
link_info.relro = TRUE;
|
link_info.relro = TRUE;
|
else if (strcmp (optarg, "norelro") == 0)
|
else if (strcmp (optarg, "norelro") == 0)
|
link_info.relro = FALSE;
|
link_info.relro = FALSE;
|
EOF
|
EOF
|
fi
|
fi
|
|
|
fragment <
|
fragment <
|
else if (CONST_STRNEQ (optarg, "max-page-size="))
|
else if (CONST_STRNEQ (optarg, "max-page-size="))
|
{
|
{
|
char *end;
|
char *end;
|
|
|
config.maxpagesize = strtoul (optarg + 14, &end, 0);
|
config.maxpagesize = strtoul (optarg + 14, &end, 0);
|
if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0)
|
if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0)
|
einfo (_("%P%F: invalid maxium page size \`%s'\n"),
|
einfo (_("%P%F: invalid maxium page size \`%s'\n"),
|
optarg + 14);
|
optarg + 14);
|
ASSERT (default_target != NULL);
|
ASSERT (default_target != NULL);
|
bfd_emul_set_maxpagesize (default_target, config.maxpagesize);
|
bfd_emul_set_maxpagesize (default_target, config.maxpagesize);
|
}
|
}
|
else if (CONST_STRNEQ (optarg, "common-page-size="))
|
else if (CONST_STRNEQ (optarg, "common-page-size="))
|
{
|
{
|
char *end;
|
char *end;
|
config.commonpagesize = strtoul (optarg + 17, &end, 0);
|
config.commonpagesize = strtoul (optarg + 17, &end, 0);
|
if (*end
|
if (*end
|
|| (config.commonpagesize & (config.commonpagesize - 1)) != 0)
|
|| (config.commonpagesize & (config.commonpagesize - 1)) != 0)
|
einfo (_("%P%F: invalid common page size \`%s'\n"),
|
einfo (_("%P%F: invalid common page size \`%s'\n"),
|
optarg + 17);
|
optarg + 17);
|
ASSERT (default_target != NULL);
|
ASSERT (default_target != NULL);
|
bfd_emul_set_commonpagesize (default_target,
|
bfd_emul_set_commonpagesize (default_target,
|
config.commonpagesize);
|
config.commonpagesize);
|
}
|
}
|
/* What about the other Solaris -z options? FIXME. */
|
/* What about the other Solaris -z options? FIXME. */
|
break;
|
break;
|
EOF
|
EOF
|
fi
|
fi
|
|
|
if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then
|
if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then
|
fragment <
|
fragment <
|
$PARSE_AND_LIST_ARGS_CASES
|
$PARSE_AND_LIST_ARGS_CASES
|
EOF
|
EOF
|
fi
|
fi
|
|
|
fragment <
|
fragment <
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
EOF
|
EOF
|
|
|
if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
|
if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
|
fragment <
|
fragment <
|
|
|
static void
|
static void
|
gld${EMULATION_NAME}_list_options (FILE * file)
|
gld${EMULATION_NAME}_list_options (FILE * file)
|
{
|
{
|
fprintf (file, _("\
|
fprintf (file, _("\
|
--build-id[=STYLE] Generate build ID note\n"));
|
--build-id[=STYLE] Generate build ID note\n"));
|
EOF
|
EOF
|
|
|
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
|
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
|
fragment <
|
fragment <
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-Bgroup Selects group name lookup rules for DSO\n"));
|
-Bgroup Selects group name lookup rules for DSO\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
--disable-new-dtags Disable new dynamic tags\n"));
|
--disable-new-dtags Disable new dynamic tags\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
--enable-new-dtags Enable new dynamic tags\n"));
|
--enable-new-dtags Enable new dynamic tags\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
--eh-frame-hdr Create .eh_frame_hdr section\n"));
|
--eh-frame-hdr Create .eh_frame_hdr section\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
--hash-style=STYLE Set hash style to sysv, gnu or both\n"));
|
--hash-style=STYLE Set hash style to sysv, gnu or both\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z combreloc Merge dynamic relocs into one section and sort\n"));
|
-z combreloc Merge dynamic relocs into one section and sort\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z defs Report unresolved symbols in object files.\n"));
|
-z defs Report unresolved symbols in object files.\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z execstack Mark executable as requiring executable stack\n"));
|
-z execstack Mark executable as requiring executable stack\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z initfirst Mark DSO to be initialized first at runtime\n"));
|
-z initfirst Mark DSO to be initialized first at runtime\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z interpose Mark object to interpose all DSOs but executable\n"));
|
-z interpose Mark object to interpose all DSOs but executable\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z lazy Mark object lazy runtime binding (default)\n"));
|
-z lazy Mark object lazy runtime binding (default)\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z loadfltr Mark object requiring immediate process\n"));
|
-z loadfltr Mark object requiring immediate process\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z muldefs Allow multiple definitions\n"));
|
-z muldefs Allow multiple definitions\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z nocombreloc Don't merge dynamic relocs into one section\n"));
|
-z nocombreloc Don't merge dynamic relocs into one section\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z nocopyreloc Don't create copy relocs\n"));
|
-z nocopyreloc Don't create copy relocs\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z nodefaultlib Mark object not to use default search paths\n"));
|
-z nodefaultlib Mark object not to use default search paths\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z nodelete Mark DSO non-deletable at runtime\n"));
|
-z nodelete Mark DSO non-deletable at runtime\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z nodlopen Mark DSO not available to dlopen\n"));
|
-z nodlopen Mark DSO not available to dlopen\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z nodump Mark DSO not available to dldump\n"));
|
-z nodump Mark DSO not available to dldump\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z noexecstack Mark executable as not requiring executable stack\n"));
|
-z noexecstack Mark executable as not requiring executable stack\n"));
|
EOF
|
EOF
|
|
|
if test -n "$COMMONPAGESIZE"; then
|
if test -n "$COMMONPAGESIZE"; then
|
fragment <
|
fragment <
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z norelro Don't create RELRO program header\n"));
|
-z norelro Don't create RELRO program header\n"));
|
EOF
|
EOF
|
fi
|
fi
|
|
|
fragment <
|
fragment <
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z now Mark object non-lazy runtime binding\n"));
|
-z now Mark object non-lazy runtime binding\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z origin Mark object requiring immediate \$ORIGIN\n\
|
-z origin Mark object requiring immediate \$ORIGIN\n\
|
processing at runtime\n"));
|
processing at runtime\n"));
|
EOF
|
EOF
|
|
|
if test -n "$COMMONPAGESIZE"; then
|
if test -n "$COMMONPAGESIZE"; then
|
fragment <
|
fragment <
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z relro Create RELRO program header\n"));
|
-z relro Create RELRO program header\n"));
|
EOF
|
EOF
|
fi
|
fi
|
|
|
fragment <
|
fragment <
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z max-page-size=SIZE Set maximum page size to SIZE\n"));
|
-z max-page-size=SIZE Set maximum page size to SIZE\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z common-page-size=SIZE Set common page size to SIZE\n"));
|
-z common-page-size=SIZE Set common page size to SIZE\n"));
|
fprintf (file, _("\
|
fprintf (file, _("\
|
-z KEYWORD Ignored for Solaris compatibility\n"));
|
-z KEYWORD Ignored for Solaris compatibility\n"));
|
EOF
|
EOF
|
fi
|
fi
|
|
|
if test -n "$PARSE_AND_LIST_OPTIONS" ; then
|
if test -n "$PARSE_AND_LIST_OPTIONS" ; then
|
fragment <
|
fragment <
|
$PARSE_AND_LIST_OPTIONS
|
$PARSE_AND_LIST_OPTIONS
|
EOF
|
EOF
|
fi
|
fi
|
|
|
fragment <
|
fragment <
|
}
|
}
|
EOF
|
EOF
|
|
|
if test -n "$PARSE_AND_LIST_EPILOGUE" ; then
|
if test -n "$PARSE_AND_LIST_EPILOGUE" ; then
|
fragment <
|
fragment <
|
$PARSE_AND_LIST_EPILOGUE
|
$PARSE_AND_LIST_EPILOGUE
|
EOF
|
EOF
|
fi
|
fi
|
fi
|
fi
|
else
|
else
|
fragment <
|
fragment <
|
#define gld${EMULATION_NAME}_add_options NULL
|
#define gld${EMULATION_NAME}_add_options NULL
|
#define gld${EMULATION_NAME}_handle_option NULL
|
#define gld${EMULATION_NAME}_handle_option NULL
|
EOF
|
EOF
|
if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
|
if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
|
fragment <
|
fragment <
|
#define gld${EMULATION_NAME}_list_options NULL
|
#define gld${EMULATION_NAME}_list_options NULL
|
EOF
|
EOF
|
fi
|
fi
|
fi
|
fi
|
|
|
fragment <
|
fragment <
|
|
|
struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
|
struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
|
{
|
{
|
${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse},
|
${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse},
|
${LDEMUL_SYSLIB-syslib_default},
|
${LDEMUL_SYSLIB-syslib_default},
|
${LDEMUL_HLL-hll_default},
|
${LDEMUL_HLL-hll_default},
|
${LDEMUL_AFTER_PARSE-after_parse_default},
|
${LDEMUL_AFTER_PARSE-after_parse_default},
|
${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open},
|
${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open},
|
${LDEMUL_AFTER_ALLOCATION-after_allocation_default},
|
${LDEMUL_AFTER_ALLOCATION-after_allocation_default},
|
${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
|
${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
|
${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
|
${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
|
${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation},
|
${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation},
|
${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script},
|
${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script},
|
"${EMULATION_NAME}",
|
"${EMULATION_NAME}",
|
"${OUTPUT_FORMAT}",
|
"${OUTPUT_FORMAT}",
|
${LDEMUL_FINISH-gld${EMULATION_NAME}_finish},
|
${LDEMUL_FINISH-gld${EMULATION_NAME}_finish},
|
${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL},
|
${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL},
|
${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive},
|
${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive},
|
${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan},
|
${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan},
|
${LDEMUL_SET_SYMBOLS-NULL},
|
${LDEMUL_SET_SYMBOLS-NULL},
|
${LDEMUL_PARSE_ARGS-NULL},
|
${LDEMUL_PARSE_ARGS-NULL},
|
gld${EMULATION_NAME}_add_options,
|
gld${EMULATION_NAME}_add_options,
|
gld${EMULATION_NAME}_handle_option,
|
gld${EMULATION_NAME}_handle_option,
|
${LDEMUL_UNRECOGNIZED_FILE-NULL},
|
${LDEMUL_UNRECOGNIZED_FILE-NULL},
|
${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options},
|
${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options},
|
${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols},
|
${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols},
|
${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL},
|
${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL},
|
${LDEMUL_NEW_VERS_PATTERN-NULL}
|
${LDEMUL_NEW_VERS_PATTERN-NULL}
|
};
|
};
|
EOF
|
EOF
|
|
|
