/* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME}
Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004 Free Software Foundation, Inc.
+ 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
Written by Steve Chamberlain <sac@cygnus.com>
ELF support by Ian Lance Taylor <ian@cygnus.com>
-This file is part of GLD, the Gnu Linker.
+ This file is part of the GNU Binutils.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
#define TARGET_IS_${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 bfd_boolean gld${EMULATION_NAME}_place_orphan (asection *s);
static void gld${EMULATION_NAME}_finish (void);
EOF
if [ "x${USE_LIBPATH}" = xyes ] ; then
case ${target} in
- *-*-linux-gnu*)
+ *-*-linux-* | *-*-k*bsd*-*)
cat >>e${EMULATION_NAME}.c <<EOF
+#ifdef HAVE_GLOB
#include <glob.h>
+#endif
EOF
;;
esac
# 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);
return;
}
+ /* Some operating systems, e.g. Windows, do not provide a meaningful
+ st_ino; they always set it to zero. (Windows does provide a
+ meaningful st_dev.) Do not indicate a duplicate library in that
+ case. While there is no guarantee that a system that provides
+ meaningful inode numbers will never set st_ino to zero, this is
+ merely an optimization, so we do not need to worry about false
+ negatives. */
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)
{
- global_found = TRUE;
+ global_found = s;
return;
}
EOF
case ${target} in
- *-*-linux-gnu*)
+ *-*-linux-* | *-*-k*bsd*-*)
cat >>e${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${EMULATION_NAME}_stat_needed);
- if (global_found)
+ if (global_found != NULL)
{
/* Return TRUE to indicate that we found the file, even though
we aren't going to do anything with it. */
/* Tell the ELF linker that we don't want the output file to have a
DT_NEEDED entry for this file at all if the entry is from a file
with DYN_NO_ADD_NEEDED. */
- if (needed->by
- && (bfd_elf_get_dyn_lib_class (needed->by)
- & DYN_NO_ADD_NEEDED) != 0)
+ if (needed->by != NULL
+ && (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0)
class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED;
bfd_elf_set_dyn_lib_class (abfd, class);
{
char *filename, *sset;
- s = strchr (path, ':');
+ s = strchr (path, config.rpath_separator);
if (s == NULL)
s = path + strlen (path);
if [ "x${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 ${target} in
- *-*-linux-gnu*)
+ *-*-freebsd* | *-*-dragonfly*)
+ cat >>e${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);
const char *pattern)
{
char *newp = NULL;
+#ifdef HAVE_GLOB
glob_t gl;
+#endif
if (pattern[0] != '/')
{
pattern = newp;
}
+#ifdef HAVE_GLOB
if (glob (pattern, 0, NULL, &gl) == 0)
{
size_t i;
gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]);
globfree (&gl);
}
+#else
+ /* If we do not have glob, treat the pattern as a literal filename. */
+ gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern);
+#endif
if (newp)
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)
{
FILE *f = fopen (filename, FOPEN_RT);
- char *line = NULL;
- size_t linelen = 0;
+ char *line;
+ size_t linelen;
if (f == NULL)
- return;
+ return FALSE;
- while (getline (&line, &linelen, f) != -1)
+ linelen = 256;
+ line = xmalloc (linelen);
+ do
{
- char *p;
+ char *p = line, *q;
+
+ /* Normally this would use getline(3), but we need to be portable. */
+ while ((q = fgets (p, linelen - (p - line), f)) != NULL
+ && strlen (q) == linelen - (p - line) - 1
+ && line[linelen - 2] != '\n')
+ {
+ line = xrealloc (line, 2 * linelen);
+ p = line + linelen - 1;
+ linelen += linelen;
+ }
+
+ if (q == NULL && p == line)
+ break;
p = strchr (line, '\n');
if (p)
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;
info->path[info->len] = '\0';
}
}
+ 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;
struct dt_needed n, nn;
int force;
+ /* If the lib that needs this one was --as-needed and wasn't
+ found to be needed, then this lib isn't needed either. */
+ if (l->by != NULL
+ && (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0)
+ continue;
+
/* If we've already seen this file, skip it. */
for (ll = needed; ll != l; ll = ll->next)
- if (strcmp (ll->name, l->name) == 0)
+ if ((ll->by == NULL
+ || (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0)
+ && strcmp (ll->name, l->name) == 0)
break;
if (ll != l)
continue;
/* 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${EMULATION_NAME}_try_needed (&nn, TRUE))
+ continue;
+ }
+
/* We need to find this file and include the symbol table. We
want to search for the file in the same way that the dynamic
linker will search. That means that we want to use
size_t len;
search_dirs_type *search;
EOF
-if [ "x${USE_LIBPATH}" = xyes ] ; then
+if [ "x${NATIVE}" = xyes ] ; then
cat >>e${EMULATION_NAME}.c <<EOF
const char *lib_path;
+EOF
+fi
+if [ "x${USE_LIBPATH}" = xyes ] ; then
+cat >>e${EMULATION_NAME}.c <<EOF
struct bfd_link_needed_list *rp;
int found;
EOF
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 ${target} in
- *-*-linux-gnu*)
- cat >>e${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
}
static void
gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp)
{
- struct bfd_link_hash_entry *h;
+ bfd_boolean provide = FALSE;
switch (exp->type.node_class)
{
case etree_provide:
- h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst,
- FALSE, FALSE, FALSE);
- if (h == NULL)
- break;
-
+ provide = TRUE;
+ /* Fall thru */
+ case etree_assign:
/* We call record_link_assignment even if the symbol is defined.
This is because if it is defined by a dynamic object, we
actually want to use the value defined by the linker script,
symbols like etext). If the symbol is defined by a regular
object, then, as it happens, calling record_link_assignment
will do no harm. */
-
- /* Fall through. */
- case etree_assign:
if (strcmp (exp->assign.dst, ".") != 0)
{
- if (! (bfd_elf_record_link_assignment
- (output_bfd, &link_info, exp->assign.dst,
- exp->type.node_class == etree_provide ? TRUE : FALSE)))
+ if (!bfd_elf_record_link_assignment (output_bfd, &link_info,
+ exp->assign.dst, provide,
+ exp->assign.hidden))
einfo ("%P%F: failed to record assignment to %s: %E\n",
exp->assign.dst);
}
ELF_INTERPRETER_SET_DEFAULT="
if (sinterp != NULL)
{
- sinterp->contents = ${ELF_INTERPRETER_NAME};
- sinterp->size = strlen (sinterp->contents) + 1;
+ sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME};
+ sinterp->size = strlen ((char *) sinterp->contents) + 1;
}
"
(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");
+
${ELF_INTERPRETER_SET_DEFAULT}
/* Let the user override the dynamic linker we are using. */
if (command_line.interpreter != NULL
{
asection *s;
bfd_size_type sz;
- bfd_size_type prefix_len;
char *msg;
bfd_boolean ret;
- const char * gnu_warning_prefix = _("warning: ");
if (is->just_syms_flag)
continue;
continue;
sz = s->size;
- prefix_len = strlen (gnu_warning_prefix);
- msg = xmalloc ((size_t) (prefix_len + sz + 1));
- strcpy (msg, gnu_warning_prefix);
- if (! bfd_get_section_contents (is->the_bfd, s, msg + prefix_len,
+ msg = xmalloc ((size_t) (sz + 1));
+ if (! bfd_get_section_contents (is->the_bfd, s, msg,
(file_ptr) 0, sz))
einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n",
is->the_bfd);
- msg[prefix_len + sz] = '\0';
+ msg[sz] = '\0';
ret = link_info.callbacks->warning (&link_info, msg,
(const char *) NULL,
is->the_bfd, (asection *) NULL,
ASSERT (ret);
free (msg);
- /* Clobber the section size, so that we don't waste copying the
- warning into the output file. */
+ /* Clobber the section size, so that we don't waste space
+ copying the warning into the output file. If we've already
+ sized the output section, adjust its size. The adjustment
+ is on rawsize because targets that size sections early will
+ have called lang_reset_memory_regions after sizing. */
+ if (s->output_section != NULL
+ && s->output_section->rawsize >= s->size)
+ s->output_section->rawsize -= s->size;
+
s->size = 0;
+
+ /* Also set SEC_EXCLUDE, so that local symbols defined in the
+ warning section don't get copied to the output. */
+ s->flags |= SEC_EXCLUDE | SEC_KEEP;
}
}
+
+ before_allocation_default ();
+
+ if (!bfd_elf_size_dynsym_hash_dynstr (output_bfd, &link_info))
+ einfo ("%P%F: failed to set dynamic section sizes: %E\n");
}
EOF
if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then
cat >>e${EMULATION_NAME}.c <<EOF
-/* A variant of lang_output_section_find. Used by place_orphan. */
+/* A variant of lang_output_section_find used by place_orphan. */
static lang_output_section_statement_type *
output_rel_find (asection *sec, int isdyn)
{
- lang_statement_union_type *u;
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_rel_alloc = NULL;
int rela = sec->name[4] == 'a';
- for (u = lang_output_section_statement.head; u; u = lookup->next)
+ for (lookup = &lang_output_section_statement.head->output_section_statement;
+ lookup != NULL;
+ lookup = lookup->next)
{
- lookup = &u->output_section_statement;
if (lookup->constraint != -1
- && strncmp (".rel", lookup->name, 4) == 0)
+ && CONST_STRNEQ (lookup->name, ".rel"))
{
int lookrela = lookup->name[4] == 'a';
return last;
}
-/* Find the last output section before given output statement.
- Used by place_orphan. */
-
-static asection *
-output_prev_sec_find (lang_output_section_statement_type *os)
-{
- asection *s = (asection *) NULL;
- lang_statement_union_type *u;
- lang_output_section_statement_type *lookup;
-
- for (u = lang_output_section_statement.head;
- u != (lang_statement_union_type *) NULL;
- u = lookup->next)
- {
- lookup = &u->output_section_statement;
- if (lookup == os)
- return s;
-
- if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL)
- s = lookup->bfd_section;
- }
-
- return NULL;
-}
-
/* Place an orphan section. We use this to put random SHF_ALLOC
sections in the right segment. */
-struct orphan_save {
- lang_output_section_statement_type *os;
- asection **section;
- lang_statement_union_type **stmt;
- lang_statement_union_type **os_tail;
-};
-
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_text;
- static struct orphan_save hold_rodata;
- static struct orphan_save hold_data;
- static struct orphan_save hold_bss;
- static struct orphan_save hold_rel;
- static struct orphan_save hold_interp;
- static struct orphan_save hold_sdata;
- static int count = 1;
+ static struct orphan_save hold[] =
+ {
+ { ".text",
+ SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
+ 0, 0, 0, 0 },
+ { ".rodata",
+ SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
+ 0, 0, 0, 0 },
+ { ".data",
+ SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
+ 0, 0, 0, 0 },
+ { ".bss",
+ SEC_ALLOC,
+ 0, 0, 0, 0 },
+ { 0,
+ SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
+ 0, 0, 0, 0 },
+ { ".interp",
+ SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
+ 0, 0, 0, 0 },
+ { ".sdata",
+ SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA,
+ 0, 0, 0, 0 }
+ };
+ enum orphan_save_index
+ {
+ orphan_text = 0,
+ orphan_rodata,
+ orphan_data,
+ orphan_bss,
+ orphan_rel,
+ orphan_interp,
+ orphan_sdata
+ };
+ static int orphan_init_done = 0;
struct orphan_save *place;
- lang_statement_list_type *old;
- lang_statement_list_type add;
- etree_type *address;
const char *secname;
- const char *ps = NULL;
+ lang_output_section_statement_type *after;
lang_output_section_statement_type *os;
- lang_statement_union_type **os_tail;
- etree_type *load_base;
int isdyn = 0;
- asection *sec;
+ 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
- || ((s->flags ^ os->bfd_section->flags)
- & (SEC_LOAD | SEC_ALLOC)) == 0))
+ || os->bfd_section->flags == 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. */
- lang_add_section (&os->children, s, os, file);
+ 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);
return TRUE;
}
}
- if (hold_text.os == NULL)
- hold_text.os = lang_output_section_find (".text");
+ if (!orphan_init_done)
+ {
+ struct orphan_save *ho;
+ for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
+ if (ho->name != NULL)
+ {
+ ho->os = lang_output_section_find (ho->name);
+ if (ho->os != NULL && ho->os->flags == 0)
+ ho->os->flags = ho->flags;
+ }
+ orphan_init_done = 1;
+ }
/* If this is a final link, then always put .gnu.warning.SYMBOL
sections into the .text section to get them out of the way. */
if (link_info.executable
&& ! link_info.relocatable
- && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0
- && hold_text.os != NULL)
+ && CONST_STRNEQ (secname, ".gnu.warning.")
+ && hold[orphan_text].os != NULL)
{
- lang_add_section (&hold_text.os->children, s, hold_text.os, file);
+ lang_add_section (&hold[orphan_text].os->children, s,
+ hold[orphan_text].os);
return TRUE;
}
right after the .interp section, so that the PT_NOTE segment is
stored right after the program headers where the OS can read it
in the first page. */
-#define HAVE_SECTION(hold, name) \
-(hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL)
place = NULL;
if ((s->flags & SEC_ALLOC) == 0)
;
else if ((s->flags & SEC_LOAD) != 0
- && strncmp (secname, ".note", 5) == 0
- && HAVE_SECTION (hold_interp, ".interp"))
- place = &hold_interp;
- else if ((s->flags & SEC_HAS_CONTENTS) == 0
- && HAVE_SECTION (hold_bss, ".bss"))
- place = &hold_bss;
- else if ((s->flags & SEC_SMALL_DATA) != 0
- && HAVE_SECTION (hold_sdata, ".sdata"))
- place = &hold_sdata;
- else if ((s->flags & SEC_READONLY) == 0
- && HAVE_SECTION (hold_data, ".data"))
- place = &hold_data;
- else if (strncmp (secname, ".rel", 4) == 0
- && (s->flags & SEC_LOAD) != 0
- && (hold_rel.os != NULL
- || (hold_rel.os = output_rel_find (s, isdyn)) != NULL))
- place = &hold_rel;
- else if ((s->flags & (SEC_CODE | SEC_READONLY)) == SEC_READONLY
- && HAVE_SECTION (hold_rodata, ".rodata"))
- place = &hold_rodata;
- else if ((s->flags & (SEC_CODE | SEC_READONLY)) == (SEC_CODE | SEC_READONLY)
- && hold_text.os != NULL)
- place = &hold_text;
-
-#undef HAVE_SECTION
-
- /* Choose a unique name for the section. This will be needed if the
- same section name appears in the input file with different
- loadable or allocatable characteristics. But 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. */
- if ((sec = bfd_get_section_by_name (output_bfd, secname)) != NULL
- && bfd_get_section_flags (output_bfd, sec) != 0)
- {
- secname = bfd_get_unique_section_name (output_bfd, secname, &count);
- if (secname == NULL)
- einfo ("%F%P: place_orphan failed: %E\n");
- }
-
- /* Start building a list of statements for this section.
- First save the current statement pointer. */
- old = stat_ptr;
+ && ((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];
+ else if ((s->flags & SEC_SMALL_DATA) != 0)
+ place = &hold[orphan_sdata];
+ else if ((s->flags & SEC_READONLY) == 0)
+ place = &hold[orphan_data];
+ 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)
+ place = &hold[orphan_rodata];
+ else
+ place = &hold[orphan_text];
- /* If we have found an appropriate place for the output section
- statements for this orphan, add them to our own private list,
- inserting them later into the global statement list. */
+ after = NULL;
if (place != NULL)
{
- stat_ptr = &add;
- lang_list_init (stat_ptr);
- }
-
- if (config.build_constructors)
- {
- /* If the name of the section is representable in C, then create
- symbols to mark the start and the end of the section. */
- for (ps = secname; *ps != '\0'; ps++)
- if (! ISALNUM (*ps) && *ps != '_')
- break;
- if (*ps == '\0')
+ if (place->os == NULL)
{
- char *symname;
- etree_type *e_align;
-
- symname = (char *) xmalloc (ps - secname + sizeof "__start_");
- sprintf (symname, "__start_%s", secname);
- e_align = exp_unop (ALIGN_K,
- exp_intop ((bfd_vma) 1 << s->alignment_power));
- lang_add_assignment (exp_assop ('=', symname, e_align));
+ if (place->name != NULL)
+ place->os = lang_output_section_find (place->name);
+ else
+ place->os = output_rel_find (s, isdyn);
}
+ after = place->os;
+ if (after == NULL)
+ 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;
}
- address = NULL;
- if (link_info.relocatable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
- address = exp_intop ((bfd_vma) 0);
-
- load_base = NULL;
- if (place != NULL && place->os->load_base != NULL)
- {
- etree_type *lma_from_vma;
- lma_from_vma = exp_binop ('-', place->os->load_base,
- exp_nameop (ADDR, place->os->name));
- load_base = exp_binop ('+', lma_from_vma,
- exp_nameop (ADDR, secname));
- }
-
- os_tail = lang_output_section_statement.tail;
- os = lang_enter_output_section_statement (secname, address, 0,
- (etree_type *) NULL,
- (etree_type *) NULL,
- load_base, 0);
-
- lang_add_section (&os->children, s, os, file);
-
- lang_leave_output_section_statement
- ((bfd_vma) 0, "*default*",
- (struct lang_output_section_phdr_list *) NULL, NULL);
-
- if (config.build_constructors && *ps == '\0')
+ /* Choose a unique name for the section. This will be needed if the
+ same section name appears in the input file with different
+ loadable or allocatable characteristics. */
+ if (bfd_get_section_by_name (output_bfd, secname) != NULL)
{
- char *symname;
-
- /* lang_leave_ouput_section_statement resets stat_ptr. Put
- stat_ptr back where we want it. */
- if (place != NULL)
- stat_ptr = &add;
-
- symname = (char *) xmalloc (ps - secname + sizeof "__stop_");
- sprintf (symname, "__stop_%s", secname);
- lang_add_assignment (exp_assop ('=', symname,
- exp_nameop (NAME, ".")));
+ static int count = 1;
+ secname = bfd_get_unique_section_name (output_bfd, secname, &count);
+ if (secname == NULL)
+ einfo ("%F%P: place_orphan failed: %E\n");
}
- /* Restore the global list pointer. */
- stat_ptr = old;
-
- if (place != NULL && os->bfd_section != NULL)
- {
- asection *snew, **pps;
-
- snew = os->bfd_section;
-
- /* Shuffle the bfd section list to make the output file look
- neater. This is really only cosmetic. */
- if (place->section == NULL)
- {
- asection *bfd_section = place->os->bfd_section;
-
- /* If the output statement hasn't been used to place
- any input sections (and thus doesn't have an output
- bfd_section), look for the closest prior output statement
- having an output section. */
- if (bfd_section == NULL)
- bfd_section = output_prev_sec_find (place->os);
-
- if (bfd_section != NULL && bfd_section != snew)
- place->section = &bfd_section->next;
- }
-
- if (place->section != NULL)
- {
- /* Unlink the section. */
- for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next)
- ;
- bfd_section_list_remove (output_bfd, pps);
-
- /* Now tack it on to the "place->os" section list. */
- bfd_section_list_insert (output_bfd, place->section, snew);
- }
-
- /* Save the end of this list. Further ophans of this type will
- follow the one we've just added. */
- place->section = &snew->next;
-
- /* The following is non-cosmetic. We try to put the output
- statements in some sort of reasonable order here, because
- they determine the final load addresses of the orphan
- sections. In addition, placing output statements in the
- wrong order may require extra segments. For instance,
- given a typical situation of all read-only sections placed
- in one segment and following that a segment containing all
- the read-write sections, we wouldn't want to place an orphan
- read/write section before or amongst the read-only ones. */
- if (add.head != NULL)
- {
- lang_statement_union_type *newly_added_os;
-
- if (place->stmt == NULL)
- {
- /* Put the new statement list right at the head. */
- *add.tail = place->os->header.next;
- place->os->header.next = add.head;
-
- place->os_tail = &place->os->next;
- }
- else
- {
- /* Put it after the last orphan statement we added. */
- *add.tail = *place->stmt;
- *place->stmt = add.head;
- }
-
- /* Fix the global list pointer if we happened to tack our
- new list at the tail. */
- if (*old->tail == add.head)
- old->tail = add.tail;
-
- /* Save the end of this list. */
- place->stmt = add.tail;
-
- /* Do the same for the list of output section statements. */
- newly_added_os = *os_tail;
- *os_tail = NULL;
- newly_added_os->output_section_statement.next = *place->os_tail;
- *place->os_tail = newly_added_os;
- place->os_tail = &newly_added_os->output_section_statement.next;
-
- /* Fixing the global list pointer here is a little different.
- We added to the list in lang_enter_output_section_statement,
- trimmed off the new output_section_statment above when
- assigning *os_tail = NULL, but possibly added it back in
- the same place when assigning *place->os_tail. */
- if (*os_tail == NULL)
- lang_output_section_statement.tail = os_tail;
- }
- }
+ lang_insert_orphan (s, secname, after, place, NULL, NULL);
return TRUE;
}
static void
gld${EMULATION_NAME}_finish (void)
{
- if (bfd_elf_discard_info (output_bfd, &link_info))
- {
- lang_reset_memory_regions ();
-
- /* Resize the sections. */
- lang_size_sections (stat_ptr->head, abs_output_section,
- &stat_ptr->head, 0, (bfd_vma) 0, NULL, TRUE);
-
- /* Redo special stuff. */
- ldemul_after_allocation ();
+ bfd_boolean need_layout = bfd_elf_discard_info (output_bfd, &link_info);
- /* Do the assignments again. */
- lang_do_assignments (stat_ptr->head, abs_output_section,
- (fill_type *) 0, (bfd_vma) 0);
- }
+ gld${EMULATION_NAME}_map_segments (need_layout);
+ finish_default ();
}
EOF
fi
if (link_info.relocatable && config.build_constructors)
return
EOF
-sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
-echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
-echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
+echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else
-echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
fi
if test -n "$GENERATE_PIE_SCRIPT" ; then
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
-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
-sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c
fi
-echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c
+echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c
fi
if test -n "$GENERATE_SHLIB_SCRIPT" ; then
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
-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
-sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c
fi
-echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c
+echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xs >> 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
-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
+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${EMULATION_NAME}.c
fi
-echo ' ; else return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
-echo '; }' >> e${EMULATION_NAME}.c
+echo ' ; else return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
+echo '; }' >> e${EMULATION_NAME}.c
else
# Scripts read from the filesystem.
#define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1)
#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${EMULATION_NAME}_add_options
{"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
{"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
{"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR},
+ {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
+ {"hash-style", required_argument, NULL, OPTION_HASH_STYLE},
{"Bgroup", no_argument, NULL, OPTION_GROUP},
EOF
fi
link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
break;
+ case OPTION_EXCLUDE_LIBS:
+ add_excluded_libs (optarg);
+ break;
+
+ case OPTION_HASH_STYLE:
+ link_info.emit_hash = FALSE;
+ link_info.emit_gnu_hash = FALSE;
+ if (strcmp (optarg, "sysv") == 0)
+ link_info.emit_hash = TRUE;
+ else if (strcmp (optarg, "gnu") == 0)
+ link_info.emit_gnu_hash = TRUE;
+ else if (strcmp (optarg, "both") == 0)
+ {
+ link_info.emit_hash = TRUE;
+ link_info.emit_gnu_hash = TRUE;
+ }
+ else
+ einfo (_("%P%F: invalid hash style \`%s'\n"), optarg);
+ break;
+
case 'z':
if (strcmp (optarg, "initfirst") == 0)
link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
link_info.flags |= (bfd_vma) DF_BIND_NOW;
link_info.flags_1 |= (bfd_vma) DF_1_NOW;
}
+ else if (strcmp (optarg, "lazy") == 0)
+ {
+ link_info.flags &= ~(bfd_vma) DF_BIND_NOW;
+ link_info.flags_1 &= ~(bfd_vma) DF_1_NOW;
+ }
else if (strcmp (optarg, "origin") == 0)
{
link_info.flags |= (bfd_vma) DF_ORIGIN;
link_info.noexecstack = TRUE;
link_info.execstack = FALSE;
}
+EOF
+
+ if test -n "$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