aboutsummaryrefslogtreecommitdiff
path: root/bfd
diff options
context:
space:
mode:
authorAlan Modra <amodra@gmail.com>2002-03-13 04:04:49 +0000
committerAlan Modra <amodra@gmail.com>2002-03-13 04:04:49 +0000
commit60166579ed5b79959d46a75ae1968e0f15ef9b0b (patch)
tree993c06ddb95b7c228fd4901a57ab9ba7fc107a68 /bfd
parent40b829d425370364312abf83ab6ad6acc408acfa (diff)
downloadgdb-60166579ed5b79959d46a75ae1968e0f15ef9b0b.zip
gdb-60166579ed5b79959d46a75ae1968e0f15ef9b0b.tar.gz
gdb-60166579ed5b79959d46a75ae1968e0f15ef9b0b.tar.bz2
* elflink.h (NAME(bfd_elf,size_dynamic_sections)): Use ELF section
types instead of section names to determine whether init/fini array dynamic tags are needed.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog4
-rw-r--r--bfd/elflink.h96
2 files changed, 57 insertions, 43 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 463adc0..3416865 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,9 @@
2002-03-13 Alan Modra <amodra@bigpond.net.au>
+ * elflink.h (NAME(bfd_elf,size_dynamic_sections)): Use ELF section
+ types instead of section names to determine whether init/fini array
+ dynamic tags are needed.
+
* elflink.h: Formatting fixes.
(elf_link_output_extsym): Merge undefined and undef weak cases.
diff --git a/bfd/elflink.h b/bfd/elflink.h
index 3e8551f..438cb4d 100644
--- a/bfd/elflink.h
+++ b/bfd/elflink.h
@@ -3069,6 +3069,9 @@ NAME(bfd_elf,size_dynamic_sections) (output_bfd, soname, rpath,
struct elf_info_failed eif;
struct elf_link_hash_entry *h;
asection *dynstr;
+ bfd *sub;
+ asection *o;
+ int dt_done;
*sinterpptr = bfd_get_section_by_name (dynobj, ".interp");
BFD_ASSERT (*sinterpptr != NULL || info->shared);
@@ -3200,51 +3203,58 @@ NAME(bfd_elf,size_dynamic_sections) (output_bfd, soname, rpath,
return false;
}
- if (bfd_get_section_by_name (output_bfd, ".preinit_array") != NULL)
- {
- /* DT_PREINIT_ARRAY is not allowed in shared library. */
- if (info->shared)
- {
- bfd *sub;
- asection *o;
-
- for (sub = info->input_bfds; sub != NULL;
- sub = sub->link_next)
- for (o = sub->sections; o != NULL; o = o->next)
- if (elf_section_data (o)->this_hdr.sh_type
- == SHT_PREINIT_ARRAY)
- {
- (*_bfd_error_handler)
- (_("%s: .preinit_array section is not allowed in DSO"),
- bfd_archive_filename (sub));
- break;
- }
+ dt_done = 0;
+ for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
+ for (o = sub->sections; o != NULL; o = o->next)
+ {
+ int tag1, tag2;
- return false;
- }
+ if (o->output_section == bfd_abs_section_ptr)
+ continue;
- if (!elf_add_dynamic_entry (info, (bfd_vma) DT_PREINIT_ARRAY,
- (bfd_vma) 0)
- || !elf_add_dynamic_entry (info, (bfd_vma) DT_PREINIT_ARRAYSZ,
- (bfd_vma) 0))
- return false;
- }
- if (bfd_get_section_by_name (output_bfd, ".init_array") != NULL)
- {
- if (!elf_add_dynamic_entry (info, (bfd_vma) DT_INIT_ARRAY,
- (bfd_vma) 0)
- || !elf_add_dynamic_entry (info, (bfd_vma) DT_INIT_ARRAYSZ,
- (bfd_vma) 0))
- return false;
- }
- if (bfd_get_section_by_name (output_bfd, ".fini_array") != NULL)
- {
- if (!elf_add_dynamic_entry (info, (bfd_vma) DT_FINI_ARRAY,
- (bfd_vma) 0)
- || !elf_add_dynamic_entry (info, (bfd_vma) DT_FINI_ARRAYSZ,
- (bfd_vma) 0))
- return false;
- }
+ switch (elf_section_data (o)->this_hdr.sh_type)
+ {
+ default:
+ continue;
+
+ case SHT_INIT_ARRAY:
+ if (dt_done & 1)
+ continue;
+ dt_done |= 1;
+ tag1 = DT_INIT_ARRAY;
+ tag2 = DT_INIT_ARRAYSZ;
+ break;
+
+ case SHT_FINI_ARRAY:
+ if (dt_done & 2)
+ continue;
+ dt_done |= 2;
+ tag1 = DT_FINI_ARRAY;
+ tag2 = DT_FINI_ARRAYSZ;
+ break;
+
+ case SHT_PREINIT_ARRAY:
+ /* DT_PREINIT_ARRAY is not allowed in a shared library. */
+ if (info->shared)
+ {
+ (*_bfd_error_handler)
+ (_("%s: .preinit_array section is not allowed in DSO"),
+ bfd_archive_filename (sub));
+ bfd_set_error (bfd_error_bad_value);
+ return false;
+ }
+ if (dt_done & 4)
+ continue;
+ dt_done |= 4;
+ tag1 = DT_PREINIT_ARRAY;
+ tag2 = DT_PREINIT_ARRAYSZ;
+ break;
+ }
+
+ if (!elf_add_dynamic_entry (info, (bfd_vma) tag1, (bfd_vma) 0)
+ || !elf_add_dynamic_entry (info, (bfd_vma) tag2, (bfd_vma) 0))
+ return false;
+ }
dynstr = bfd_get_section_by_name (dynobj, ".dynstr");
/* If .dynstr is excluded from the link, we don't want any of