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authorAlan Modra <amodra@gmail.com>2005-05-04 11:00:28 +0000
committerAlan Modra <amodra@gmail.com>2005-05-04 11:00:28 +0000
commit8423293d34986cfa218f79b2b2f1ff9bf77d468f (patch)
tree330cd698b1cb69439de3e3dc7add1d1af4812772 /bfd/elflink.c
parent53e09e0aaf3d13e4b893744e2fe79edde7edfd20 (diff)
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bfd/
* section.c (struct bfd_section): Replace link_order_head and link_order_tail with map_head and map_tail union. (STD_SECTION): Update. (_bfd_strip_section_from_output): Delete. * aoutx.h: Update throughout for above changes. * coff-ppc.c: Likewise. * cofflink.c: Likewise. * ecoff.c: Likewise. * elf-eh-frame.c: Likewise. * elf-m10300.c: Likewise. * elf.c: Likewise. * elf32-arm.c: Likewise. * elf32-cris.c: Likewise. * elf32-hppa.c: Likewise. * elf32-i386.c: Likewise. * elf32-m32r.c: Likewise. * elf32-m68hc1x.c: Likewise. * elf32-m68k.c: Likewise. * elf32-ppc.c: Likewise. * elf32-s390.c: Likewise. * elf32-sh.c: Likewise. * elf32-vax.c: Likewise. * elf32-xtensa.c: Likewise. * elf64-alpha.c: Likewise. * elf64-hppa.c: Likewise. * elf64-ppc.c: Likewise. * elf64-s390.c: Likewise. * elf64-sh64.c: Likewise. * elf64-x86-64.c: Likewise. * elflink.c: Likewise. * elfxx-ia64.c: Likewise. * elfxx-mips.c: Likewise. * elfxx-sparc.c: Likewise. * linker.c: Likewise. * merge.c: Likewise. * pdp11.c: Likewise. * xcofflink.c: Likewise. * elflink.c (bfd_boolean bfd_elf_size_dynsym_hash_dynstr): Split out from bfd_elf_size_dynamic_sections. * bfd-in.h (bfd_boolean bfd_elf_size_dynsym_hash_dynstr): Declare. * bfd-in2.h: Regenerate. ld/ * ldemul.c: Include bfdlink.h. (ldemul_before_allocation): Assume before_allocation is non-zero. (before_allocation_default): Call strip_excluded_output_sections. * ldlang.c (stripped_excluded_sections): New variable. (lang_add_section): Build input section list for each output section, attached via map_head and map_tail pointers. (strip_excluded_output_sections): Make global. Traverse the input section lists to find which output sections can go. Clear link_order pointers and set stripped_excluded_sections. (lang_process): Call strip_excluded_output_sections. * ldlang.h (strip_excluded_output_sections): Declare. * ldwrite.c: Update throuhout for link_order_head -> map_head change. * emultempl/aix.em (before_allocation): Call strip_excluded_output_sections. * emultempl/armcoff.em (before_allocation): Likewise. * emultempl/beos.em (before_allocation): Likewise. * emultempl/linux.em (before_allocation): Likewise. * emultempl/pe.em (before_allocation): Likewise. * emultempl/sunos.em (before_allocation): Likewise. * emultempl/elf32.em (before_allocation): Likewise. Call bfd_elf_size_dynsym_hash_dynstr too. * emultempl/lnk960.em (lnk960_before_allocation): Delete. (ld_lnk960): Use before_allocation_default.
Diffstat (limited to 'bfd/elflink.c')
-rw-r--r--bfd/elflink.c69
1 files changed, 44 insertions, 25 deletions
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 8f3e4c8..bc71e98 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -5289,12 +5289,8 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd,
if (elf_hash_table (info)->dynamic_sections_created)
{
- bfd_size_type dynsymcount;
unsigned long section_sym_count;
asection *s;
- size_t bucketcount = 0;
- size_t hash_entry_size;
- unsigned int dtagcount;
/* Set up the version definition section. */
s = bfd_get_section_by_name (dynobj, ".gnu.version_d");
@@ -5309,7 +5305,7 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd,
verdefs = verdefs->next;
if (verdefs == NULL && !info->create_default_symver)
- _bfd_strip_section_from_output (info, s);
+ s->flags |= SEC_EXCLUDE;
else
{
unsigned int cdefs;
@@ -5563,7 +5559,7 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd,
&sinfo);
if (elf_tdata (output_bfd)->verref == NULL)
- _bfd_strip_section_from_output (info, s);
+ s->flags |= SEC_EXCLUDE;
else
{
Elf_Internal_Verneed *t;
@@ -5652,6 +5648,37 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd,
}
}
+ if ((elf_tdata (output_bfd)->cverrefs == 0
+ && elf_tdata (output_bfd)->cverdefs == 0)
+ || _bfd_elf_link_renumber_dynsyms (output_bfd, info,
+ &section_sym_count) == 0)
+ {
+ s = bfd_get_section_by_name (dynobj, ".gnu.version");
+ s->flags |= SEC_EXCLUDE;
+ }
+ }
+ return TRUE;
+}
+
+bfd_boolean
+bfd_elf_size_dynsym_hash_dynstr (bfd *output_bfd, struct bfd_link_info *info)
+{
+ if (!is_elf_hash_table (info->hash))
+ return TRUE;
+
+ if (elf_hash_table (info)->dynamic_sections_created)
+ {
+ bfd *dynobj;
+ const struct elf_backend_data *bed;
+ asection *s;
+ bfd_size_type dynsymcount;
+ unsigned long section_sym_count;
+ size_t bucketcount = 0;
+ size_t hash_entry_size;
+ unsigned int dtagcount;
+
+ dynobj = elf_hash_table (info)->dynobj;
+
/* Assign dynsym indicies. In a shared library we generate a
section symbol for each output section, which come first.
Next come all of the back-end allocated local dynamic syms,
@@ -5663,17 +5690,8 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd,
/* Work out the size of the symbol version section. */
s = bfd_get_section_by_name (dynobj, ".gnu.version");
BFD_ASSERT (s != NULL);
- if (dynsymcount == 0
- || (verdefs == NULL && elf_tdata (output_bfd)->verref == NULL
- && !info->create_default_symver))
- {
- _bfd_strip_section_from_output (info, s);
- /* The DYNSYMCOUNT might have changed if we were going to
- output a dynamic symbol table entry for S. */
- dynsymcount = _bfd_elf_link_renumber_dynsyms (output_bfd, info,
- &section_sym_count);
- }
- else
+ if (dynsymcount != 0
+ && (s->flags & SEC_EXCLUDE) == 0)
{
s->size = dynsymcount * sizeof (Elf_External_Versym);
s->contents = bfd_zalloc (output_bfd, s->size);
@@ -5692,6 +5710,7 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd,
section as we went along in elf_link_add_object_symbols. */
s = bfd_get_section_by_name (dynobj, ".dynsym");
BFD_ASSERT (s != NULL);
+ bed = get_elf_backend_data (output_bfd);
s->size = dynsymcount * bed->s->sizeof_sym;
if (dynsymcount != 0)
@@ -5957,7 +5976,7 @@ elf_link_sort_relocs (bfd *abfd, struct bfd_link_info *info, asection **psec)
count = reldyn->size / ext_size;
size = 0;
- for (lo = reldyn->link_order_head; lo != NULL; lo = lo->next)
+ for (lo = reldyn->map_head.link_order; lo != NULL; lo = lo->next)
if (lo->type == bfd_indirect_link_order)
{
asection *o = lo->u.indirect.section;
@@ -5982,7 +6001,7 @@ elf_link_sort_relocs (bfd *abfd, struct bfd_link_info *info, asection **psec)
else
r_sym_mask = ~(bfd_vma) 0xffffffff;
- for (lo = reldyn->link_order_head; lo != NULL; lo = lo->next)
+ for (lo = reldyn->map_head.link_order; lo != NULL; lo = lo->next)
if (lo->type == bfd_indirect_link_order)
{
bfd_byte *erel, *erelend;
@@ -6032,7 +6051,7 @@ elf_link_sort_relocs (bfd *abfd, struct bfd_link_info *info, asection **psec)
qsort (s_non_relative, count - ret, sort_elt, elf_link_sort_cmp2);
- for (lo = reldyn->link_order_head; lo != NULL; lo = lo->next)
+ for (lo = reldyn->map_head.link_order; lo != NULL; lo = lo->next)
if (lo->type == bfd_indirect_link_order)
{
bfd_byte *erel, *erelend;
@@ -7655,7 +7674,7 @@ elf_fixup_link_order (bfd *abfd, asection *o)
seen_other = 0;
seen_linkorder = 0;
- for (p = o->link_order_head; p != NULL; p = p->next)
+ for (p = o->map_head.link_order; p != NULL; p = p->next)
{
if (p->type == bfd_indirect_link_order
&& (bfd_get_flavour ((sub = p->u.indirect.section->owner))
@@ -7689,7 +7708,7 @@ elf_fixup_link_order (bfd *abfd, asection *o)
xmalloc (seen_linkorder * sizeof (struct bfd_link_order *));
seen_linkorder = 0;
- for (p = o->link_order_head; p != NULL; p = p->next)
+ for (p = o->map_head.link_order; p != NULL; p = p->next)
{
sections[seen_linkorder++] = p;
}
@@ -7803,7 +7822,7 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
struct bfd_elf_section_data *esdo = elf_section_data (o);
o->reloc_count = 0;
- for (p = o->link_order_head; p != NULL; p = p->next)
+ for (p = o->map_head.link_order; p != NULL; p = p->next)
{
unsigned int reloc_count = 0;
struct bfd_elf_section_data *esdi = NULL;
@@ -8143,7 +8162,7 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
{
struct bfd_link_order *o;
- for (o = sec->link_order_head; o != NULL; o = o->next)
+ for (o = sec->map_head.link_order; o != NULL; o = o->next)
if (size < o->offset + o->size)
size = o->offset + o->size;
}
@@ -8185,7 +8204,7 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
sub->output_has_begun = FALSE;
for (o = abfd->sections; o != NULL; o = o->next)
{
- for (p = o->link_order_head; p != NULL; p = p->next)
+ for (p = o->map_head.link_order; p != NULL; p = p->next)
{
if (p->type == bfd_indirect_link_order
&& (bfd_get_flavour ((sub = p->u.indirect.section->owner))