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* elflink.h (NAME(bfd_elf,size_dynamic_sections)): Use ELF section

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types instead of section names to determine whether init/fini array
	dynamic tags are needed.
This commit is contained in:
Alan Modra 2002-03-13 04:04:49 +00:00
parent 40b829d425
commit 60166579ed
2 changed files with 56 additions and 42 deletions
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4
bfd/ChangeLog
View File

@ -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.

94
bfd/elflink.h
View File

@ -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;
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;
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;
}
if (o->output_section == bfd_abs_section_ptr)
continue;
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;
}
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;
}
}
dynstr = bfd_get_section_by_name (dynobj, ".dynstr");
/* If .dynstr is excluded from the link, we don't want any of