/* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME}
Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004 Free Software Foundation, Inc.
+ 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
Written by Steve Chamberlain <sac@cygnus.com>
ELF support by Ian Lance Taylor <ian@cygnus.com>
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#define TARGET_IS_${EMULATION_NAME}
+#include "config.h"
#include "bfd.h"
#include "sysdep.h"
#include "libiberty.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${EMULATION_NAME}_provide_init_fini_syms (void);
static void gld${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}_finish (void);
+static void gld${EMULATION_NAME}_layout_sections_again (void);
+static void gld${EMULATION_NAME}_finish (void) ATTRIBUTE_UNUSED;
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
return;
if (s->the_bfd == NULL)
return;
+ if (s->as_needed
+ && (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)
+ return;
if (bfd_stat (s->the_bfd, &st) != 0)
{
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;
return;
EOF
case ${target} in
- *-*-linux-gnu*)
+ *-*-linux-* | *-*-k*bsd*-*)
cat >>e${EMULATION_NAME}.c <<EOF
{
struct bfd_link_needed_list *l;
/* 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);
EOF
case ${target} in
- *-*-linux-gnu*)
+ *-*-linux-* | *-*-k*bsd*-*)
cat >>e${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
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);
if (global_found)
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 (s->as_needed
+ && (s->the_bfd == NULL
+ || (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0))
+ return;
+
if (s->filename != NULL)
{
const char *f;
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;
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${EMULATION_NAME}.c <<EOF
struct bfd_link_needed_list *rp;
int found;
EOF
EOF
if [ "x${USE_LIBPATH}" = xyes ] ; then
case ${target} in
- *-*-linux-gnu*)
+ *-*-linux-* | *-*-k*bsd*-*)
cat >>e${EMULATION_NAME}.c <<EOF
if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force))
break;
static void
gld${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 (&link_info, exp->assign.dst,
+ provide))
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 *) ${ELF_INTERPRETER_NAME};
+ sinterp->size = strlen ((char *) sinterp->contents) + 1;
}
"
fi
cat >>e${EMULATION_NAME}.c <<EOF
+static void
+gld${EMULATION_NAME}_provide_bound_symbols (const char *sec,
+ const char *start,
+ const char *end)
+{
+ asection *s = bfd_get_section_by_name (output_bfd, sec);
+ _bfd_elf_provide_section_bound_symbols (&link_info, s, start, end);
+}
+
+/* If not building a shared library, provide
+
+ __preinit_array_start
+ __preinit_array_end
+ __init_array_start
+ __init_array_end
+ __fini_array_start
+ __fini_array_end
+
+ They are set here rather than via PROVIDE in the linker
+ script, because using PROVIDE inside an output section
+ statement results in unnecessary output sections. Using
+ PROVIDE outside an output section statement runs the risk of
+ section alignment affecting where the section starts. */
+
+static void
+gld${EMULATION_NAME}_provide_init_fini_syms (void)
+{
+ if (!link_info.relocatable && link_info.executable)
+ {
+ 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${EMULATION_NAME}_provide_bound_symbols (".fini_array",
+ "__fini_array_start",
+ "__fini_array_end");
+ }
+}
+
/* This is called after the sections have been attached to output
sections, but before any sizes or addresses have been set. */
referred to by dynamic objects. */
lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment);
+ ldemul_do_assignments ();
+
/* Let the ELF backend work out the sizes of any sections required
by dynamic linking. */
rpath = command_line.rpath;
(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");
+
${ELF_INTERPRETER_SET_DEFAULT}
/* Let the user override the dynamic linker we are using. */
if (command_line.interpreter != NULL
/* Clobber the section size, so that we don't waste copying the
warning into the output file. */
s->size = 0;
+
+ /* Also set SEC_EXCLUDE, so that symbols defined in the warning
+ section don't get copied to the output. */
+ s->flags |= SEC_EXCLUDE;
}
}
+
+ before_allocation_default ();
+
+ if (!bfd_elf_size_dynsym_hash_dynstr (output_bfd, &link_info))
+ einfo ("%P%F: failed to set dynamic section sizes: %E\n");
}
EOF
if test x"$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)
{
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)
{
- 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;
secname = bfd_get_section_name (s->owner, s);
if (os != NULL
&& (os->bfd_section == NULL
+ || os->bfd_section->flags == 0
|| ((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. */
+ 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);
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)
+ && 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, file);
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;
+ && strncmp (secname, ".note", 5) == 0)
+ 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 (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;
+ && (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);
+ 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 (file, s, secname, after, place, NULL, NULL);
return TRUE;
}
cat >>e${EMULATION_NAME}.c <<EOF
static void
-gld${EMULATION_NAME}_finish (void)
+gld${EMULATION_NAME}_layout_sections_again (void)
{
- if (bfd_elf_discard_info (output_bfd, &link_info))
- {
- lang_reset_memory_regions ();
+ 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);
+ /* Resize the sections. */
+ lang_size_sections (NULL, TRUE);
- /* Redo special stuff. */
- ldemul_after_allocation ();
+ /* 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);
- }
+ /* Do the assignments again. */
+ lang_do_assignments ();
+}
+
+static void
+gld${EMULATION_NAME}_finish (void)
+{
+ if (bfd_elf_discard_info (output_bfd, &link_info))
+ gld${EMULATION_NAME}_layout_sections_again ();
+
+ 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)
+
static void
gld${EMULATION_NAME}_add_options
(int ns, char **shortopts, int nl, struct option **longopts,
{"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},
{"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 'z':
if (strcmp (optarg, "initfirst") == 0)
link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation},
+ ${LDEMUL_DO_ASSIGNMENTS-gld${EMULATION_NAME}_provide_init_fini_syms},
${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script},
"${EMULATION_NAME}",
"${OUTPUT_FORMAT}",
projects / deliverable / binutils-gdb.git / blobdiff