else
OUTPUT_ARCH=${ARCH}:${MACHINE}
fi
-cat >e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
/* This file is is generated by a shell script. DO NOT EDIT! */
/* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME}
Written by Steve Chamberlain <sac@cygnus.com>
ELF support by Ian Lance Taylor <ian@cygnus.com>
-This file is part of GLD, the Gnu Linker.
+ This file is part of the GNU Binutils.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
#define TARGET_IS_${EMULATION_NAME}
#include "libiberty.h"
#include "safe-ctype.h"
#include "getopt.h"
+#include "md5.h"
+#include "sha1.h"
+#include <fcntl.h>
#include "bfdlink.h"
if [ "x${USE_LIBPATH}" = xyes ] ; then
case ${target} in
*-*-linux-* | *-*-k*bsd*-*)
- cat >>e${EMULATION_NAME}.c <<EOF
+ fragment <<EOF
#ifdef HAVE_GLOB
#include <glob.h>
#endif
# Import any needed special functions and/or overrides.
#
-. ${srcdir}/emultempl/elf-generic.em
+source_em ${srcdir}/emultempl/elf-generic.em
if test -n "$EXTRA_EM_FILE" ; then
-. ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
+ source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
fi
# Functions in this file can be overridden by setting the LDEMUL_* shell
# as presumably it is called from the overriding function.
#
if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
static void
gld${EMULATION_NAME}_before_parse (void)
fi
if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
/* Handle as_needed DT_NEEDED. */
static bfd_boolean
EOF
fi
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
/* These variables are required to pass information back and forth
between after_open and check_needed and stat_needed and vercheck. */
EOF
case ${target} in
*-*-linux-* | *-*-k*bsd*-*)
- cat >>e${EMULATION_NAME}.c <<EOF
+ fragment <<EOF
{
struct bfd_link_needed_list *l;
EOF
;;
esac
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
}
}
EOF
if [ "x${USE_LIBPATH}" = xyes ] ; then
- cat >>e${EMULATION_NAME}.c <<EOF
+ fragment <<EOF
/* Add the sysroot to every entry in a path separated by
config.rpath_separator. */
EOF
case ${target} in
*-*-freebsd* | *-*-dragonfly*)
- cat >>e${EMULATION_NAME}.c <<EOF
+ fragment <<EOF
/* Read the system search path the FreeBSD way rather than the Linux way. */
#ifdef HAVE_ELF_HINTS_H
#include <elf-hints.h>
;;
*-*-linux-* | *-*-k*bsd*-*)
- cat >>e${EMULATION_NAME}.c <<EOF
+ fragment <<EOF
/* For a native linker, check the file /etc/ld.so.conf for directories
in which we may find shared libraries. /etc/ld.so.conf is really
only meaningful on Linux. */
;;
esac
fi
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
/* See if an input file matches a DT_NEEDED entry by name. */
EOF
if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
+
+static bfd_size_type
+gld${EMULATION_NAME}_id_note_section_size (bfd *abfd,
+ struct bfd_link_info *link_info)
+{
+ const char *style = link_info->emit_note_gnu_build_id;
+ bfd_size_type size;
+
+ abfd = abfd;
+
+ size = offsetof (Elf_External_Note, name[sizeof "GNU"]);
+ size = (size + 3) & -(bfd_size_type) 4;
+
+ if (!strcmp (style, "md5") || !strcmp (style, "uuid"))
+ size += 128 / 8;
+ else if (!strcmp (style, "sha1"))
+ size += 160 / 8;
+ else if (!strncmp (style, "0x", 2))
+ {
+ /* ID is in string form (hex). Convert to bits. */
+ const char *id = style + 2;
+ do
+ {
+ if (ISXDIGIT (id[0]) && ISXDIGIT (id[1]))
+ {
+ ++size;
+ id += 2;
+ }
+ else if (*id == '-' || *id == ':')
+ ++id;
+ else
+ {
+ size = 0;
+ break;
+ }
+ } while (*id != '\0');
+ }
+ else
+ size = 0;
+
+ return size;
+}
+
+static unsigned char
+read_hex (const char xdigit)
+{
+ if (ISDIGIT (xdigit))
+ return xdigit - '0';
+ if (ISUPPER (xdigit))
+ return xdigit - 'A' + 0xa;
+ if (ISLOWER (xdigit))
+ return xdigit - 'a' + 0xa;
+ abort ();
+ return 0;
+}
+
+struct build_id_info
+{
+ const char *style;
+ asection *sec;
+};
+
+static bfd_boolean
+gld${EMULATION_NAME}_write_build_id_section (bfd *abfd)
+{
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ struct build_id_info *info =
+ elf_tdata (abfd)->after_write_object_contents_info;
+ asection *asec;
+ Elf_Internal_Shdr *i_shdr;
+ unsigned char *contents, *id_bits;
+ bfd_size_type size;
+ Elf_External_Note *e_note;
+
+ asec = info->sec;
+ if (bfd_is_abs_section (asec->output_section))
+ {
+ einfo (_("%P: warning: .note.gnu.build-id section discarded,"
+ " --build-id ignored.\n"));
+ return TRUE;
+ }
+ i_shdr = &elf_section_data (asec->output_section)->this_hdr;
+
+ if (i_shdr->contents == NULL)
+ {
+ if (asec->contents == NULL)
+ asec->contents = xmalloc (asec->size);
+ contents = asec->contents;
+ }
+ else
+ contents = i_shdr->contents + asec->output_offset;
+
+ e_note = (void *) contents;
+ size = offsetof (Elf_External_Note, name[sizeof "GNU"]);
+ size = (size + 3) & -(bfd_size_type) 4;
+ id_bits = contents + size;
+ size = asec->size - size;
+
+ bfd_h_put_32 (abfd, sizeof "GNU", &e_note->namesz);
+ bfd_h_put_32 (abfd, size, &e_note->descsz);
+ bfd_h_put_32 (abfd, NT_GNU_BUILD_ID, &e_note->type);
+ memcpy (e_note->name, "GNU", sizeof "GNU");
+
+ if (!strcmp (info->style, "md5"))
+ {
+ struct md5_ctx ctx;
+ md5_init_ctx (&ctx);
+ if (bed->s->checksum_contents (abfd,
+ (void (*) (const void *, size_t, void *))
+ &md5_process_bytes,
+ &ctx))
+ md5_finish_ctx (&ctx, id_bits);
+ else
+ return FALSE;
+ }
+ else if (!strcmp (info->style, "sha1"))
+ {
+ struct sha1_ctx ctx;
+ sha1_init_ctx (&ctx);
+ if (bed->s->checksum_contents (abfd,
+ (void (*) (const void *, size_t, void *))
+ &sha1_process_bytes,
+ &ctx))
+ sha1_finish_ctx (&ctx, id_bits);
+ else
+ return FALSE;
+ }
+ else if (!strcmp (info->style, "uuid"))
+ {
+ int n;
+ int fd = open ("/dev/urandom", O_RDONLY);
+ if (fd < 0)
+ return FALSE;
+ n = read (fd, id_bits, size);
+ close (fd);
+ if (n < (int) size)
+ return FALSE;
+ }
+ else if (!strncmp (info->style, "0x", 2))
+ {
+ /* ID is in string form (hex). Convert to bits. */
+ const char *id = info->style + 2;
+ size_t n = 0;
+ do
+ {
+ if (ISXDIGIT (id[0]) && ISXDIGIT (id[1]))
+ {
+ id_bits[n] = read_hex (*id++) << 4;
+ id_bits[n++] |= read_hex (*id++);
+ }
+ else if (*id == '-' || *id == ':')
+ ++id;
+ else
+ abort (); /* Should have been validated earlier. */
+ } while (*id != '\0');
+ }
+ else
+ abort (); /* Should have been validated earlier. */
+
+ size = asec->size;
+ return (bfd_seek (abfd,
+ i_shdr->sh_offset + asec->output_offset, SEEK_SET) == 0
+ && bfd_bwrite (contents, size, abfd) == size);
+}
+
/* This is called after all the input files have been opened. */
gld${EMULATION_NAME}_after_open (void)
{
struct bfd_link_needed_list *needed, *l;
+ struct elf_link_hash_table *htab;
- if (link_info.eh_frame_hdr
- && ! link_info.traditional_format
- && ! link_info.relocatable)
+ htab = elf_hash_table (&link_info);
+ if (!is_elf_hash_table (htab))
+ return;
+
+ if (link_info.emit_note_gnu_build_id)
{
- struct elf_link_hash_table *htab;
+ bfd *abfd;
+ asection *s;
+ bfd_size_type size;
- htab = elf_hash_table (&link_info);
- if (is_elf_hash_table (htab))
- {
- bfd *abfd;
- asection *s;
+ abfd = link_info.input_bfds;
- for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next)
+ size = gld${EMULATION_NAME}_id_note_section_size (abfd, &link_info);
+ if (size == 0)
+ {
+ einfo ("%P: warning: unrecognized --build-id style ignored.\n");
+ free (link_info.emit_note_gnu_build_id);
+ link_info.emit_note_gnu_build_id = NULL;
+ }
+ else
+ {
+ s = bfd_make_section_with_flags (abfd, ".note.gnu.build-id",
+ SEC_ALLOC | SEC_LOAD
+ | SEC_IN_MEMORY | SEC_LINKER_CREATED
+ | SEC_READONLY | SEC_DATA);
+ if (s != NULL && bfd_set_section_alignment (abfd, s, 2))
{
- s = bfd_get_section_by_name (abfd, ".eh_frame");
- if (s && s->size > 8 && !bfd_is_abs_section (s->output_section))
- break;
+ struct elf_obj_tdata *t = elf_tdata (output_bfd);
+ struct build_id_info *b = xmalloc (sizeof *b);
+ b->style = link_info.emit_note_gnu_build_id;
+ b->sec = s;
+ elf_section_type (s) = SHT_NOTE;
+ s->size = size;
+ t->after_write_object_contents
+ = &gld${EMULATION_NAME}_write_build_id_section;
+ t->after_write_object_contents_info = b;
}
- if (abfd)
+ else
{
- const struct elf_backend_data *bed;
-
- bed = get_elf_backend_data (abfd);
- s = bfd_make_section_with_flags (abfd, ".eh_frame_hdr",
- bed->dynamic_sec_flags
- | SEC_READONLY);
- if (s != NULL
- && bfd_set_section_alignment (abfd, s, 2))
- htab->eh_info.hdr_sec = s;
- else
- einfo ("%P: warning: Cannot create .eh_frame_hdr section,"
- " --eh-frame-hdr ignored.\n");
+ einfo ("%P: warning: Cannot create .note.gnu.build-id section,"
+ " --build-id ignored.\n");
+ free (link_info.emit_note_gnu_build_id);
+ link_info.emit_note_gnu_build_id = NULL;
}
}
}
- /* We only need to worry about this when doing a final link. */
- if (link_info.relocatable || !link_info.executable)
+ if (link_info.relocatable)
return;
+ if (link_info.eh_frame_hdr
+ && !link_info.traditional_format)
+ {
+ bfd *abfd;
+ asection *s;
+
+ for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next)
+ {
+ s = bfd_get_section_by_name (abfd, ".eh_frame");
+ if (s && s->size > 8 && !bfd_is_abs_section (s->output_section))
+ break;
+ }
+ if (abfd)
+ {
+ const struct elf_backend_data *bed;
+
+ bed = get_elf_backend_data (abfd);
+ s = bfd_make_section_with_flags (abfd, ".eh_frame_hdr",
+ bed->dynamic_sec_flags
+ | SEC_READONLY);
+ if (s != NULL
+ && bfd_set_section_alignment (abfd, s, 2))
+ htab->eh_info.hdr_sec = s;
+ else
+ einfo ("%P: warning: Cannot create .eh_frame_hdr section,"
+ " --eh-frame-hdr ignored.\n");
+ }
+ }
+
/* Get the list of files which appear in DT_NEEDED entries in
dynamic objects included in the link (often there will be none).
For each such file, we want to track down the corresponding
special action by the person doing the link. Note that the
needed list can actually grow while we are stepping through this
loop. */
+ if (!link_info.executable)
+ return;
needed = bfd_elf_get_needed_list (output_bfd, &link_info);
for (l = needed; l != NULL; l = l->next)
{
search_dirs_type *search;
EOF
if [ "x${NATIVE}" = xyes ] ; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
const char *lib_path;
EOF
fi
if [ "x${USE_LIBPATH}" = xyes ] ; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
struct bfd_link_needed_list *rp;
int found;
EOF
fi
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link,
&n, force))
break;
EOF
if [ "x${USE_LIBPATH}" = xyes ] ; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
if (gld${EMULATION_NAME}_search_needed (command_line.rpath,
&n, force))
break;
EOF
fi
if [ "x${NATIVE}" = xyes ] ; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
if (command_line.rpath_link == NULL
&& command_line.rpath == NULL)
{
EOF
fi
if [ "x${USE_LIBPATH}" = xyes ] ; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
found = 0;
rp = bfd_elf_get_runpath_list (output_bfd, &link_info);
for (; !found && rp != NULL; rp = rp->next)
if [ "x${USE_LIBPATH}" = xyes ] ; then
case ${target} in
*-*-freebsd* | *-*-dragonfly*)
- cat >>e${EMULATION_NAME}.c <<EOF
+ fragment <<EOF
if (gld${EMULATION_NAME}_check_ld_elf_hints (l->name, force))
break;
EOF
*-*-linux-* | *-*-k*bsd*-*)
# Linux
- cat >>e${EMULATION_NAME}.c <<EOF
+ fragment <<EOF
if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force))
break;
;;
esac
fi
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
len = strlen (l->name);
for (search = search_head; search != NULL; search = search->next)
{
if (search != NULL)
break;
EOF
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
}
if (force < 2)
EOF
fi
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
/* Look through an expression for an assignment statement. */
else
ELF_INTERPRETER_SET_DEFAULT=
fi
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
/* This is called after the sections have been attached to output
sections, but before any sizes or addresses have been set. */
fi
if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
/* 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
fi
if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
/* A variant of lang_output_section_find used by place_orphan. */
lang_output_section_statement_type *lookup;
lang_output_section_statement_type *last = NULL;
lang_output_section_statement_type *last_alloc = NULL;
+ lang_output_section_statement_type *last_ro_alloc = NULL;
lang_output_section_statement_type *last_rel = NULL;
lang_output_section_statement_type *last_rel_alloc = NULL;
int rela = sec->name[4] == 'a';
last = lookup;
if (lookup->bfd_section != NULL
&& (lookup->bfd_section->flags & SEC_ALLOC) != 0)
- last_alloc = lookup;
+ {
+ last_alloc = lookup;
+ if ((lookup->bfd_section->flags & SEC_READONLY) != 0)
+ last_ro_alloc = lookup;
+ }
}
if (last_rel_alloc)
if (last_rel)
return last_rel;
+ if (last_ro_alloc)
+ return last_ro_alloc;
+
if (last_alloc)
return last_alloc;
fi
if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
static void
gld${EMULATION_NAME}_finish (void)
fi
if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
static char *
gld${EMULATION_NAME}_get_script (int *isfile)
# sed commands to quote an ld script as a C string.
sc="-f stringify.sed"
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
{
*isfile = 0;
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c
echo ' && link_info.relro' >> e${EMULATION_NAME}.c
-echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c
+echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c
echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
echo ' ; else if (link_info.shared && link_info.combreloc' >> e${EMULATION_NAME}.c
echo ' && link_info.relro' >> e${EMULATION_NAME}.c
-echo ' && (link_info.flags & DT_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${EMULATION_NAME}.c
echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c
fi
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c
-echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c
+echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c
echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c
else
# Scripts read from the filesystem.
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
{
*isfile = 1;
EOF
if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then :
else
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
else if (!config.magic_demand_paged)
return "ldscripts/${EMULATION_NAME}.xn";
EOF
fi
if test -n "$GENERATE_PIE_SCRIPT" ; then
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
else if (link_info.pie && link_info.combreloc
- && link_info.relro && (link_info.flags & DT_BIND_NOW))
+ && link_info.relro && (link_info.flags & DF_BIND_NOW))
return "ldscripts/${EMULATION_NAME}.xdw";
else if (link_info.pie && link_info.combreloc)
return "ldscripts/${EMULATION_NAME}.xdc";
EOF
fi
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
else if (link_info.pie)
return "ldscripts/${EMULATION_NAME}.xd";
EOF
fi
if test -n "$GENERATE_SHLIB_SCRIPT" ; then
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
else if (link_info.shared && link_info.combreloc
- && link_info.relro && (link_info.flags & DT_BIND_NOW))
+ && link_info.relro && (link_info.flags & DF_BIND_NOW))
return "ldscripts/${EMULATION_NAME}.xsw";
else if (link_info.shared && link_info.combreloc)
return "ldscripts/${EMULATION_NAME}.xsc";
EOF
fi
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
else if (link_info.shared)
return "ldscripts/${EMULATION_NAME}.xs";
EOF
fi
if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
else if (link_info.combreloc && link_info.relro
- && (link_info.flags & DT_BIND_NOW))
+ && (link_info.flags & DF_BIND_NOW))
return "ldscripts/${EMULATION_NAME}.xw";
else if (link_info.combreloc)
return "ldscripts/${EMULATION_NAME}.xc";
EOF
fi
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
else
return "ldscripts/${EMULATION_NAME}.x";
}
if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then
if test -n "$PARSE_AND_LIST_PROLOGUE" ; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
$PARSE_AND_LIST_PROLOGUE
EOF
fi
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
#define OPTION_DISABLE_NEW_DTAGS (400)
#define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1)
#define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1)
#define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1)
#define OPTION_HASH_STYLE (OPTION_EXCLUDE_LIBS + 1)
+#define OPTION_BUILD_ID (OPTION_HASH_STYLE + 1)
static void
gld${EMULATION_NAME}_add_options
{
static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:";
static const struct option xtra_long[] = {
+ {"build-id", optional_argument, NULL, OPTION_BUILD_ID},
EOF
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
{"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
{"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
{"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR},
fi
if test -n "$PARSE_AND_LIST_LONGOPTS" ; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
$PARSE_AND_LIST_LONGOPTS
EOF
fi
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
{NULL, no_argument, NULL, 0}
};
memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
}
+#define DEFAULT_BUILD_ID_STYLE "sha1"
+
static bfd_boolean
gld${EMULATION_NAME}_handle_option (int optc)
{
default:
return FALSE;
+ case OPTION_BUILD_ID:
+ if (link_info.emit_note_gnu_build_id != NULL)
+ {
+ free (link_info.emit_note_gnu_build_id);
+ link_info.emit_note_gnu_build_id = NULL;
+ }
+ if (optarg == NULL)
+ optarg = DEFAULT_BUILD_ID_STYLE;
+ if (strcmp (optarg, "none"))
+ link_info.emit_note_gnu_build_id = xstrdup (optarg);
+ break;
+
EOF
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
case OPTION_DISABLE_NEW_DTAGS:
link_info.new_dtags = FALSE;
break;
EOF
if test -n "$COMMONPAGESIZE"; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
else if (strcmp (optarg, "relro") == 0)
link_info.relro = TRUE;
else if (strcmp (optarg, "norelro") == 0)
EOF
fi
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
else if (CONST_STRNEQ (optarg, "max-page-size="))
{
char *end;
fi
if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
$PARSE_AND_LIST_ARGS_CASES
EOF
fi
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
}
return TRUE;
EOF
if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
static void
gld${EMULATION_NAME}_list_options (FILE * file)
{
+ fprintf (file, _("\
+ --build-id[=STYLE] Generate build ID note\n"));
EOF
if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
-cat >>e${EMULATION_NAME}.c <<EOF
- fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n"));
- fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n"));
- fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n"));
- fprintf (file, _(" --eh-frame-hdr\tCreate .eh_frame_hdr section\n"));
- fprintf (file, _(" --hash-style=STYLE\tSet hash style to sysv, gnu or both\n"));
- fprintf (file, _(" -z combreloc\t\tMerge dynamic relocs into one section and sort\n"));
- fprintf (file, _(" -z defs\t\tReport unresolved symbols in object files.\n"));
- fprintf (file, _(" -z execstack\t\tMark executable as requiring executable stack\n"));
- fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n"));
- fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n"));
- fprintf (file, _(" -z lazy\t\tMark object lazy runtime binding (default)\n"));
- fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n"));
- fprintf (file, _(" -z muldefs\t\tAllow multiple definitions\n"));
- fprintf (file, _(" -z nocombreloc\tDon't merge dynamic relocs into one section\n"));
- fprintf (file, _(" -z nocopyreloc\tDon't create copy relocs\n"));
- fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n"));
- fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n"));
- fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n"));
- fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n"));
- fprintf (file, _(" -z noexecstack\tMark executable as not requiring executable stack\n"));
+fragment <<EOF
+ fprintf (file, _("\
+ -Bgroup Selects group name lookup rules for DSO\n"));
+ fprintf (file, _("\
+ --disable-new-dtags Disable new dynamic tags\n"));
+ fprintf (file, _("\
+ --enable-new-dtags Enable new dynamic tags\n"));
+ fprintf (file, _("\
+ --eh-frame-hdr Create .eh_frame_hdr section\n"));
+ fprintf (file, _("\
+ --hash-style=STYLE Set hash style to sysv, gnu or both\n"));
+ fprintf (file, _("\
+ -z combreloc Merge dynamic relocs into one section and sort\n"));
+ fprintf (file, _("\
+ -z defs Report unresolved symbols in object files.\n"));
+ fprintf (file, _("\
+ -z execstack Mark executable as requiring executable stack\n"));
+ fprintf (file, _("\
+ -z initfirst Mark DSO to be initialized first at runtime\n"));
+ fprintf (file, _("\
+ -z interpose Mark object to interpose all DSOs but executable\n"));
+ fprintf (file, _("\
+ -z lazy Mark object lazy runtime binding (default)\n"));
+ fprintf (file, _("\
+ -z loadfltr Mark object requiring immediate process\n"));
+ fprintf (file, _("\
+ -z muldefs Allow multiple definitions\n"));
+ fprintf (file, _("\
+ -z nocombreloc Don't merge dynamic relocs into one section\n"));
+ fprintf (file, _("\
+ -z nocopyreloc Don't create copy relocs\n"));
+ fprintf (file, _("\
+ -z nodefaultlib Mark object not to use default search paths\n"));
+ fprintf (file, _("\
+ -z nodelete Mark DSO non-deletable at runtime\n"));
+ fprintf (file, _("\
+ -z nodlopen Mark DSO not available to dlopen\n"));
+ fprintf (file, _("\
+ -z nodump Mark DSO not available to dldump\n"));
+ fprintf (file, _("\
+ -z noexecstack Mark executable as not requiring executable stack\n"));
EOF
if test -n "$COMMONPAGESIZE"; then
-cat >>e${EMULATION_NAME}.c <<EOF
- fprintf (file, _(" -z norelro\t\tDon't create RELRO program header\n"));
+fragment <<EOF
+ fprintf (file, _("\
+ -z norelro Don't create RELRO program header\n"));
EOF
fi
-cat >>e${EMULATION_NAME}.c <<EOF
- fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n"));
- fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n\t\t\t at runtime\n"));
+fragment <<EOF
+ fprintf (file, _("\
+ -z now Mark object non-lazy runtime binding\n"));
+ fprintf (file, _("\
+ -z origin Mark object requiring immediate \$ORIGIN\n\
+ processing at runtime\n"));
EOF
if test -n "$COMMONPAGESIZE"; then
-cat >>e${EMULATION_NAME}.c <<EOF
- fprintf (file, _(" -z relro\t\tCreate RELRO program header\n"));
+fragment <<EOF
+ fprintf (file, _("\
+ -z relro Create RELRO program header\n"));
EOF
fi
-cat >>e${EMULATION_NAME}.c <<EOF
- fprintf (file, _(" -z max-page-size=SIZE\tSet maximum page size to SIZE\n"));
- fprintf (file, _(" -z common-page-size=SIZE\n\t\t\tSet common page size to SIZE\n"));
- fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n"));
+fragment <<EOF
+ fprintf (file, _("\
+ -z max-page-size=SIZE Set maximum page size to SIZE\n"));
+ fprintf (file, _("\
+ -z common-page-size=SIZE Set common page size to SIZE\n"));
+ fprintf (file, _("\
+ -z KEYWORD Ignored for Solaris compatibility\n"));
EOF
fi
if test -n "$PARSE_AND_LIST_OPTIONS" ; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
$PARSE_AND_LIST_OPTIONS
EOF
fi
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
}
EOF
if test -n "$PARSE_AND_LIST_EPILOGUE" ; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
$PARSE_AND_LIST_EPILOGUE
EOF
fi
fi
else
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
#define gld${EMULATION_NAME}_add_options NULL
#define gld${EMULATION_NAME}_handle_option NULL
EOF
if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
#define gld${EMULATION_NAME}_list_options NULL
EOF
fi
fi
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
{
projects / deliverable / binutils-gdb.git / blobdiff