/* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME}
Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
Written by Steve Chamberlain <sac@cygnus.com>
ELF support by Ian Lance Taylor <ian@cygnus.com>
-This file is part of GLD, the Gnu Linker.
+ This file is part of the GNU Binutils.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
#define TARGET_IS_${EMULATION_NAME}
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libiberty.h"
#include "safe-ctype.h"
#include "getopt.h"
#include "ldemul.h"
#include <ldgram.h>
#include "elf/common.h"
+#include "elf-bfd.h"
/* Declare functions used by various EXTRA_EM_FILEs. */
static void gld${EMULATION_NAME}_before_parse (void);
static void gld${EMULATION_NAME}_after_open (void);
static void gld${EMULATION_NAME}_before_allocation (void);
-static bfd_boolean gld${EMULATION_NAME}_place_orphan
- (lang_input_statement_type *file, asection *s);
-static void gld${EMULATION_NAME}_layout_sections_again (void);
-static void gld${EMULATION_NAME}_strip_empty_sections (void);
-static void gld${EMULATION_NAME}_provide_init_fini_syms (void);
-static void gld${EMULATION_NAME}_finish (void) ATTRIBUTE_UNUSED;
+static bfd_boolean gld${EMULATION_NAME}_place_orphan (asection *s);
+static void gld${EMULATION_NAME}_finish (void);
EOF
if [ "x${USE_LIBPATH}" = xyes ] ; then
case ${target} in
- *-*-linux-*)
+ *-*-linux-* | *-*-k*bsd*-*)
cat >>e${EMULATION_NAME}.c <<EOF
#ifdef HAVE_GLOB
#include <glob.h>
# Import any needed special functions and/or overrides.
#
+. ${srcdir}/emultempl/elf-generic.em
if test -n "$EXTRA_EM_FILE" ; then
. ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
fi
if (!entry->add_needed)
class |= DYN_NO_ADD_NEEDED;
+ if (entry->just_syms_flag
+ && (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) != 0)
+ einfo (_("%P%F: --just-symbols may not be used on DSO: %B\n"),
+ entry->the_bfd);
+
if (!class
|| (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0)
return FALSE;
static struct bfd_link_needed_list *global_needed;
static struct stat global_stat;
-static bfd_boolean global_found;
+static lang_input_statement_type *global_found;
static struct bfd_link_needed_list *global_vercheck_needed;
static bfd_boolean global_vercheck_failed;
const char *suffix;
const char *soname;
- if (global_found)
+ if (global_found != NULL)
return;
if (s->the_bfd == NULL)
return;
+ /* 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. */
+ if ((bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)
+ return;
+
if (bfd_stat (s->the_bfd, &st) != 0)
{
einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd);
&& st.st_ino == global_stat.st_ino
&& st.st_ino != 0)
{
- global_found = TRUE;
+ global_found = s;
return;
}
EOF
case ${target} in
- *-*-linux-*)
+ *-*-linux-* | *-*-k*bsd*-*)
cat >>e${EMULATION_NAME}.c <<EOF
{
struct bfd_link_needed_list *l;
for (l = needed; l != NULL; l = l->next)
- if (strncmp (l->name, "libc.so", 7) == 0)
+ if (CONST_STRNEQ (l->name, "libc.so"))
break;
if (l == NULL)
{
if (trace_file_tries)
info_msg (_("found %s at %s\n"), soname, name);
- global_found = FALSE;
+ global_found = NULL;
lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed);
- if (global_found)
+ if (global_found != NULL)
{
/* Return TRUE to indicate that we found the file, even though
we aren't going to do anything with it. */
{
char *filename, *sset;
- s = strchr (path, ':');
+ s = strchr (path, config.rpath_separator);
if (s == NULL)
s = path + strlen (path);
if [ "x${USE_LIBPATH}" = xyes ] ; then
cat >>e${EMULATION_NAME}.c <<EOF
-/* Add the sysroot to every entry in a colon-separated path. */
+/* Add the sysroot to every entry in a path separated by
+ config.rpath_separator. */
static char *
gld${EMULATION_NAME}_add_sysroot (const char *path)
colons = 0;
i = 0;
while (path[i])
- if (path[i++] == ':')
+ if (path[i++] == config.rpath_separator)
colons++;
if (path[i])
p = ret + strlen (ret);
i = 0;
while (path[i])
- if (path[i] == ':')
+ if (path[i] == config.rpath_separator)
{
*p++ = path[i++];
strcpy (p, ld_sysroot);
EOF
case ${target} in
- *-*-linux-*)
+ *-*-freebsd* | *-*-dragonfly*)
+ cat >>e${EMULATION_NAME}.c <<EOF
+/* Read the system search path the FreeBSD way rather than the Linux way. */
+#ifdef HAVE_ELF_HINTS_H
+#include <elf-hints.h>
+#else
+#include "elf-hints-local.h"
+#endif
+
+static bfd_boolean
+gld${EMULATION_NAME}_check_ld_elf_hints (const char *name, int force)
+{
+ static bfd_boolean initialized;
+ static char *ld_elf_hints;
+ struct dt_needed needed;
+
+ if (!initialized)
+ {
+ FILE *f;
+ char *tmppath;
+
+ tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, NULL);
+ f = fopen (tmppath, FOPEN_RB);
+ free (tmppath);
+ if (f != NULL)
+ {
+ struct elfhints_hdr hdr;
+
+ if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr)
+ && hdr.magic == ELFHINTS_MAGIC
+ && hdr.version == 1)
+ {
+ if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1)
+ {
+ char *b;
+
+ b = xmalloc (hdr.dirlistlen + 1);
+ if (fread (b, 1, hdr.dirlistlen + 1, f) ==
+ hdr.dirlistlen + 1)
+ ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b);
+
+ free (b);
+ }
+ }
+ fclose (f);
+ }
+
+ initialized = TRUE;
+ }
+
+ if (ld_elf_hints == NULL)
+ return FALSE;
+
+ needed.by = NULL;
+ needed.name = name;
+ return gld${EMULATION_NAME}_search_needed (ld_elf_hints, & needed,
+ force);
+}
+EOF
+ # FreeBSD
+ ;;
+
+ *-*-linux-* | *-*-k*bsd*-*)
cat >>e${EMULATION_NAME}.c <<EOF
/* For a native linker, check the file /etc/ld.so.conf for directories
in which we may find shared libraries. /etc/ld.so.conf is really
size_t len, alloc;
};
-static void
+static bfd_boolean
gld${EMULATION_NAME}_parse_ld_so_conf
(struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename);
free (newp);
}
-static void
+static bfd_boolean
gld${EMULATION_NAME}_parse_ld_so_conf
(struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename)
{
size_t linelen;
if (f == NULL)
- return;
+ return FALSE;
linelen = 256;
line = xmalloc (linelen);
if (p[0] == '\0')
continue;
- if (!strncmp (p, "include", 7) && (p[7] == ' ' || p[7] == '\t'))
+ if (CONST_STRNEQ (p, "include") && (p[7] == ' ' || p[7] == '\t'))
{
char *dir, c;
p += 8;
info->alloc += p - dir + 256;
info->path = xrealloc (info->path, info->alloc);
}
- info->path[info->len++] = ':';
+ info->path[info->len++] = config.rpath_separator;
}
memcpy (info->path + info->len, dir, p - dir);
info->len += p - dir;
while (! feof (f));
free (line);
fclose (f);
+ return TRUE;
}
static bfd_boolean
char *tmppath;
struct gld${EMULATION_NAME}_ld_so_conf info;
- tmppath = concat (ld_sysroot, "/etc/ld.so.conf", NULL);
info.path = NULL;
info.len = info.alloc = 0;
- gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath);
+ tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf", NULL);
+ if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath))
+ {
+ free (tmppath);
+ tmppath = concat (ld_sysroot, "/etc/ld.so.conf", NULL);
+ gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath);
+ }
free (tmppath);
+
if (info.path)
{
char *d = gld${EMULATION_NAME}_add_sysroot (info.path);
static void
gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s)
{
- if (global_found)
+ const char *soname;
+
+ /* Stop looking if we've found a loaded lib. */
+ if (global_found != NULL
+ && (bfd_elf_get_dyn_lib_class (global_found->the_bfd)
+ & DYN_AS_NEEDED) == 0)
return;
- if (s->filename != NULL)
- {
- const char *f;
+ if (s->filename == NULL || s->the_bfd == NULL)
+ return;
- if (strcmp (s->filename, global_needed->name) == 0)
- {
- global_found = TRUE;
- return;
- }
+ /* Don't look for a second non-loaded as-needed lib. */
+ if (global_found != NULL
+ && (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)
+ return;
- if (s->search_dirs_flag)
- {
- f = strrchr (s->filename, '/');
- if (f != NULL
- && strcmp (f + 1, global_needed->name) == 0)
- {
- global_found = TRUE;
- return;
- }
- }
+ if (strcmp (s->filename, global_needed->name) == 0)
+ {
+ global_found = s;
+ return;
}
- if (s->the_bfd != NULL)
+ if (s->search_dirs_flag)
{
- const char *soname;
-
- soname = bfd_elf_get_dt_soname (s->the_bfd);
- if (soname != NULL
- && strcmp (soname, global_needed->name) == 0)
+ const char *f = strrchr (s->filename, '/');
+ if (f != NULL
+ && strcmp (f + 1, global_needed->name) == 0)
{
- global_found = TRUE;
+ global_found = s;
return;
}
}
+
+ soname = bfd_elf_get_dt_soname (s->the_bfd);
+ if (soname != NULL
+ && strcmp (soname, global_needed->name) == 0)
+ {
+ global_found = s;
+ return;
+ }
}
EOF
{
struct bfd_link_needed_list *needed, *l;
+ if (link_info.eh_frame_hdr
+ && ! link_info.traditional_format
+ && ! link_info.relocatable)
+ {
+ struct elf_link_hash_table *htab;
+
+ htab = elf_hash_table (&link_info);
+ if (is_elf_hash_table (htab))
+ {
+ 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");
+ }
+ }
+ }
+
/* We only need to worry about this when doing a final link. */
if (link_info.relocatable || !link_info.executable)
return;
/* See if this file was included in the link explicitly. */
global_needed = l;
- global_found = FALSE;
+ global_found = NULL;
lang_for_each_input_file (gld${EMULATION_NAME}_check_needed);
- if (global_found)
+ if (global_found != NULL
+ && (bfd_elf_get_dyn_lib_class (global_found->the_bfd)
+ & DYN_AS_NEEDED) == 0)
continue;
n.by = l->by;
if (trace_file_tries)
info_msg (_("%s needed by %B\n"), l->name, l->by);
+ /* As-needed libs specified on the command line (or linker script)
+ take priority over libs found in search dirs. */
+ if (global_found != NULL)
+ {
+ nn.name = global_found->filename;
+ if (gld${EMULATION_NAME}_try_needed (&nn, TRUE))
+ continue;
+ }
+
/* We need to find this file and include the symbol table. We
want to search for the file in the same way that the dynamic
linker will search. That means that we want to use
EOF
fi
+if [ "x${USE_LIBPATH}" = xyes ] ; then
+ case ${target} in
+ *-*-freebsd* | *-*-dragonfly*)
+ cat >>e${EMULATION_NAME}.c <<EOF
+ if (gld${EMULATION_NAME}_check_ld_elf_hints (l->name, force))
+ break;
+EOF
+ # FreeBSD
+ ;;
+
+ *-*-linux-* | *-*-k*bsd*-*)
+ # Linux
+ cat >>e${EMULATION_NAME}.c <<EOF
+ if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force))
+ break;
+
+EOF
+ ;;
+ esac
+fi
cat >>e${EMULATION_NAME}.c <<EOF
len = strlen (l->name);
for (search = search_head; search != NULL; search = search->next)
if (search != NULL)
break;
EOF
-if [ "x${USE_LIBPATH}" = xyes ] ; then
- case ${target} in
- *-*-linux-*)
- cat >>e${EMULATION_NAME}.c <<EOF
- if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force))
- break;
-EOF
- # Linux
- ;;
- esac
-fi
cat >>e${EMULATION_NAME}.c <<EOF
}
if (strcmp (exp->assign.dst, ".") != 0)
{
if (!bfd_elf_record_link_assignment (output_bfd, &link_info,
- exp->assign.dst, provide))
+ exp->assign.dst, provide,
+ exp->assign.hidden))
einfo ("%P%F: failed to record assignment to %s: %E\n",
exp->assign.dst);
}
(const char * const *) command_line.auxiliary_filters,
&link_info, &sinterp, lang_elf_version_info)))
einfo ("%P%F: failed to set dynamic section sizes: %E\n");
+
${ELF_INTERPRETER_SET_DEFAULT}
/* Let the user override the dynamic linker we are using. */
if (command_line.interpreter != NULL
{
asection *s;
bfd_size_type sz;
- bfd_size_type prefix_len;
char *msg;
bfd_boolean ret;
- const char * gnu_warning_prefix = _("warning: ");
if (is->just_syms_flag)
continue;
continue;
sz = s->size;
- prefix_len = strlen (gnu_warning_prefix);
- msg = xmalloc ((size_t) (prefix_len + sz + 1));
- strcpy (msg, gnu_warning_prefix);
- if (! bfd_get_section_contents (is->the_bfd, s, msg + prefix_len,
+ msg = xmalloc ((size_t) (sz + 1));
+ if (! bfd_get_section_contents (is->the_bfd, s, msg,
(file_ptr) 0, sz))
einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n",
is->the_bfd);
- msg[prefix_len + sz] = '\0';
+ msg[sz] = '\0';
ret = link_info.callbacks->warning (&link_info, msg,
(const char *) NULL,
is->the_bfd, (asection *) NULL,
ASSERT (ret);
free (msg);
- /* Clobber the section size, so that we don't waste copying the
- warning into the output file. */
+ /* Clobber the section size, so that we don't waste space
+ copying the warning into the output file. If we've already
+ sized the output section, adjust its size. The adjustment
+ is on rawsize because targets that size sections early will
+ have called lang_reset_memory_regions after sizing. */
+ if (s->output_section != NULL
+ && s->output_section->rawsize >= s->size)
+ s->output_section->rawsize -= s->size;
+
s->size = 0;
- /* Also set SEC_EXCLUDE, so that symbols defined in the warning
- section don't get copied to the output. */
- s->flags |= SEC_EXCLUDE;
+ /* Also set SEC_EXCLUDE, so that local symbols defined in the
+ warning section don't get copied to the output. */
+ s->flags |= SEC_EXCLUDE | SEC_KEEP;
}
}
+
+ before_allocation_default ();
+
+ if (!bfd_elf_size_dynsym_hash_dynstr (output_bfd, &link_info))
+ einfo ("%P%F: failed to set dynamic section sizes: %E\n");
}
EOF
lookup = lookup->next)
{
if (lookup->constraint != -1
- && strncmp (".rel", lookup->name, 4) == 0)
+ && CONST_STRNEQ (lookup->name, ".rel"))
{
int lookrela = lookup->name[4] == 'a';
sections in the right segment. */
static bfd_boolean
-gld${EMULATION_NAME}_place_orphan (lang_input_statement_type *file, asection *s)
+gld${EMULATION_NAME}_place_orphan (asection *s)
{
static struct orphan_save hold[] =
{
lang_output_section_statement_type *after;
lang_output_section_statement_type *os;
int isdyn = 0;
+ int iself = s->owner->xvec->flavour == bfd_target_elf_flavour;
+ unsigned int sh_type = iself ? elf_section_type (s) : SHT_NULL;
secname = bfd_get_section_name (s->owner, s);
if (! link_info.relocatable
&& link_info.combreloc
- && (s->flags & SEC_ALLOC)
- && strncmp (secname, ".rel", 4) == 0)
+ && (s->flags & SEC_ALLOC))
{
- if (secname[4] == 'a')
- secname = ".rela.dyn";
- else
- secname = ".rel.dyn";
- isdyn = 1;
+ if (iself)
+ switch (sh_type)
+ {
+ case SHT_RELA:
+ secname = ".rela.dyn";
+ isdyn = 1;
+ break;
+ case SHT_REL:
+ secname = ".rel.dyn";
+ isdyn = 1;
+ break;
+ default:
+ break;
+ }
+ else if (CONST_STRNEQ (secname, ".rel"))
+ {
+ secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn";
+ isdyn = 1;
+ }
}
if (isdyn || (!config.unique_orphan_sections && !unique_section_p (s)))
if (os != NULL
&& (os->bfd_section == NULL
|| os->bfd_section->flags == 0
- || ((s->flags ^ os->bfd_section->flags)
- & (SEC_LOAD | SEC_ALLOC)) == 0))
+ || (_bfd_elf_match_sections_by_type (output_bfd,
+ os->bfd_section,
+ s->owner, s)
+ && ((s->flags ^ os->bfd_section->flags)
+ & (SEC_LOAD | SEC_ALLOC)) == 0)))
{
/* We already have an output section statement with this
name, and its bfd section, if any, has compatible flags.
If the section already exists but does not have any flags
set, then it has been created by the linker, probably as a
result of a --section-start command line switch. */
- lang_add_section (&os->children, s, os, file);
+ lang_add_section (&os->children, s, os);
return TRUE;
}
}
sections into the .text section to get them out of the way. */
if (link_info.executable
&& ! link_info.relocatable
- && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0
+ && CONST_STRNEQ (secname, ".gnu.warning.")
&& hold[orphan_text].os != NULL)
{
lang_add_section (&hold[orphan_text].os->children, s,
- hold[orphan_text].os, file);
+ hold[orphan_text].os);
return TRUE;
}
if ((s->flags & SEC_ALLOC) == 0)
;
else if ((s->flags & SEC_LOAD) != 0
- && strncmp (secname, ".note", 5) == 0)
+ && ((iself && sh_type == SHT_NOTE)
+ || (!iself && CONST_STRNEQ (secname, ".note"))))
place = &hold[orphan_interp];
else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
place = &hold[orphan_bss];
place = &hold[orphan_sdata];
else if ((s->flags & SEC_READONLY) == 0)
place = &hold[orphan_data];
- else if (strncmp (secname, ".rel", 4) == 0
+ else if (((iself && (sh_type == SHT_RELA || sh_type == SHT_REL))
+ || (!iself && CONST_STRNEQ (secname, ".rel")))
&& (s->flags & SEC_LOAD) != 0)
place = &hold[orphan_rel];
else if ((s->flags & SEC_CODE) == 0)
}
after = place->os;
if (after == NULL)
- after = lang_output_section_find_by_flags (s, &place->os);
+ after = lang_output_section_find_by_flags
+ (s, &place->os, _bfd_elf_match_sections_by_type);
if (after == NULL)
/* *ABS* is always the first output section statement. */
after = &lang_output_section_statement.head->output_section_statement;
einfo ("%F%P: place_orphan failed: %E\n");
}
- lang_insert_orphan (file, s, secname, after, place, NULL, NULL);
+ lang_insert_orphan (s, secname, after, place, NULL, NULL);
return TRUE;
}
if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then
cat >>e${EMULATION_NAME}.c <<EOF
-static void
-gld${EMULATION_NAME}_provide_bound_symbols (const char *sec,
- const char *start,
- const char *end)
-{
- asection *s;
- bfd_vma start_val, end_val;
-
- s = bfd_get_section_by_name (output_bfd, sec);
- if (s != NULL)
- {
- start_val = s->vma;
- end_val = start_val + s->size;
- }
- else
- {
- start_val = 0;
- end_val = 0;
- }
- _bfd_elf_provide_symbol (&link_info, start, start_val);
- _bfd_elf_provide_symbol (&link_info, end, end_val);
-}
-
-/* If not building a shared library, provide
-
- __preinit_array_start
- __preinit_array_end
- __init_array_start
- __init_array_end
- __fini_array_start
- __fini_array_end
-
- They are set here rather than via PROVIDE in the linker
- script, because using PROVIDE inside an output section
- statement results in unnecessary output sections. Using
- PROVIDE outside an output section statement runs the risk of
- section alignment affecting where the section starts. */
-
-static void
-gld${EMULATION_NAME}_provide_init_fini_syms (void)
-{
- if (!link_info.relocatable && !link_info.shared)
- {
- gld${EMULATION_NAME}_provide_bound_symbols (".preinit_array",
- "__preinit_array_start",
- "__preinit_array_end");
- gld${EMULATION_NAME}_provide_bound_symbols (".init_array",
- "__init_array_start",
- "__init_array_end");
- gld${EMULATION_NAME}_provide_bound_symbols (".fini_array",
- "__fini_array_start",
- "__fini_array_end");
- }
-}
-
-static void
-gld${EMULATION_NAME}_layout_sections_again (void)
-{
- lang_reset_memory_regions ();
-
- /* Resize the sections. */
- lang_size_sections (stat_ptr->head, abs_output_section,
- &stat_ptr->head, 0, (bfd_vma) 0, NULL, TRUE);
-
- /* Redo special stuff. */
- ldemul_after_allocation ();
-
- /* Do the assignments again. */
- lang_do_assignments (stat_ptr->head, abs_output_section,
- (fill_type *) 0, (bfd_vma) 0);
-}
-
-static void
-gld${EMULATION_NAME}_strip_empty_sections (void)
-{
- if (!link_info.relocatable)
- {
- lang_output_section_statement_type *os;
-
- for (os = &lang_output_section_statement.head->output_section_statement;
- os != NULL;
- os = os->next)
- {
- asection *s;
-
- if (os == abs_output_section || os->constraint == -1)
- continue;
- s = os->bfd_section;
- if (s != NULL && s->size == 0 && (s->flags & SEC_KEEP) == 0)
- {
- asection **p;
-
- for (p = &output_bfd->sections; *p; p = &(*p)->next)
- if (*p == s)
- {
- bfd_section_list_remove (output_bfd, p);
- output_bfd->section_count--;
- break;
- }
- }
- }
- }
-}
-
static void
gld${EMULATION_NAME}_finish (void)
{
- if (bfd_elf_discard_info (output_bfd, &link_info))
- gld${EMULATION_NAME}_layout_sections_again ();
+ bfd_boolean need_layout = bfd_elf_discard_info (output_bfd, &link_info);
- gld${EMULATION_NAME}_strip_empty_sections ();
- gld${EMULATION_NAME}_provide_init_fini_syms ();
+ gld${EMULATION_NAME}_map_segments (need_layout);
+ finish_default ();
}
EOF
fi
#define OPTION_GROUP (OPTION_ENABLE_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)
+
static void
gld${EMULATION_NAME}_add_options
(int ns, char **shortopts, int nl, struct option **longopts,
{"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
{"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR},
{"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
+ {"hash-style", required_argument, NULL, OPTION_HASH_STYLE},
{"Bgroup", no_argument, NULL, OPTION_GROUP},
EOF
fi
add_excluded_libs (optarg);
break;
+ case OPTION_HASH_STYLE:
+ link_info.emit_hash = FALSE;
+ link_info.emit_gnu_hash = FALSE;
+ if (strcmp (optarg, "sysv") == 0)
+ link_info.emit_hash = TRUE;
+ else if (strcmp (optarg, "gnu") == 0)
+ link_info.emit_gnu_hash = TRUE;
+ else if (strcmp (optarg, "both") == 0)
+ {
+ link_info.emit_hash = TRUE;
+ link_info.emit_gnu_hash = TRUE;
+ }
+ else
+ einfo (_("%P%F: invalid hash style \`%s'\n"), optarg);
+ break;
+
case 'z':
if (strcmp (optarg, "initfirst") == 0)
link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
link_info.flags |= (bfd_vma) DF_BIND_NOW;
link_info.flags_1 |= (bfd_vma) DF_1_NOW;
}
+ else if (strcmp (optarg, "lazy") == 0)
+ {
+ link_info.flags &= ~(bfd_vma) DF_BIND_NOW;
+ link_info.flags_1 &= ~(bfd_vma) DF_1_NOW;
+ }
else if (strcmp (optarg, "origin") == 0)
{
link_info.flags |= (bfd_vma) DF_ORIGIN;
link_info.noexecstack = TRUE;
link_info.execstack = FALSE;
}
+EOF
+
+ if test -n "$COMMONPAGESIZE"; then
+cat >>e${EMULATION_NAME}.c <<EOF
else if (strcmp (optarg, "relro") == 0)
link_info.relro = TRUE;
else if (strcmp (optarg, "norelro") == 0)
link_info.relro = FALSE;
+EOF
+ fi
+
+cat >>e${EMULATION_NAME}.c <<EOF
+ else if (CONST_STRNEQ (optarg, "max-page-size="))
+ {
+ char *end;
+
+ config.maxpagesize = strtoul (optarg + 14, &end, 0);
+ if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0)
+ einfo (_("%P%F: invalid maxium page size \`%s'\n"),
+ optarg + 14);
+ ASSERT (default_target != NULL);
+ bfd_emul_set_maxpagesize (default_target, config.maxpagesize);
+ }
+ else if (CONST_STRNEQ (optarg, "common-page-size="))
+ {
+ char *end;
+ config.commonpagesize = strtoul (optarg + 17, &end, 0);
+ if (*end
+ || (config.commonpagesize & (config.commonpagesize - 1)) != 0)
+ einfo (_("%P%F: invalid common page size \`%s'\n"),
+ optarg + 17);
+ ASSERT (default_target != NULL);
+ bfd_emul_set_commonpagesize (default_target,
+ config.commonpagesize);
+ }
/* What about the other Solaris -z options? FIXME. */
break;
EOF
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 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"));
+EOF
+
+ if test -n "$COMMONPAGESIZE"; then
+cat >>e${EMULATION_NAME}.c <<EOF
fprintf (file, _(" -z norelro\t\tDon't create RELRO program header\n"));
+EOF
+ fi
+
+cat >>e${EMULATION_NAME}.c <<EOF
fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n"));
fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n\t\t\t at runtime\n"));
+EOF
+
+ if test -n "$COMMONPAGESIZE"; then
+cat >>e${EMULATION_NAME}.c <<EOF
fprintf (file, _(" -z relro\t\tCreate RELRO program header\n"));
+EOF
+ fi
+
+cat >>e${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"));
EOF
fi
projects / deliverable / binutils-gdb.git / blobdiff