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2002-03-04 H.J. Lu <hjl@gnu.org>

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* elf.c (bfd_section_from_shdr): Handle special sections,
	.init_array, .fini_array and .preinit_array.
	(elf_fake_sections): Likewise.

	* elflink.h (NAME(bfd_elf,size_dynamic_sections)): Create the
	DT entry only if the section is in output for .init_array,
	.fini_array and .preinit_array. Complain about .preinit_array
	section in DSO.
	(elf_bfd_final_link): Warn zero size for .init_array,
	.fini_array and .preinit_array sections.

	* elfxx-ia64.c (elfNN_ia64_section_from_shdr): Remove
	SHT_INIT_ARRAY, SHT_FINI_ARRAY and SHT_PREINIT_ARRAY.
	(elfNN_ia64_fake_sections): Remove .init_array, .fini_array and
	.preinit_array.
This commit is contained in:
H.J. Lu 2002-03-04 20:41:55 +00:00
parent e9682144c1
commit 25e2787005
4 changed files with 55 additions and 27 deletions
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18
bfd/ChangeLog
View File

@ -1,3 +1,21 @@
2002-03-04 H.J. Lu <hjl@gnu.org>
* elf.c (bfd_section_from_shdr): Handle special sections,
.init_array, .fini_array and .preinit_array.
(elf_fake_sections): Likewise.
* elflink.h (NAME(bfd_elf,size_dynamic_sections)): Create the
DT entry only if the section is in output for .init_array,
.fini_array and .preinit_array. Complain about .preinit_array
section in DSO.
(elf_bfd_final_link): Warn zero size for .init_array,
.fini_array and .preinit_array sections.
* elfxx-ia64.c (elfNN_ia64_section_from_shdr): Remove
SHT_INIT_ARRAY, SHT_FINI_ARRAY and SHT_PREINIT_ARRAY.
(elfNN_ia64_fake_sections): Remove .init_array, .fini_array and
.preinit_array.
2002-03-04 Alan Modra <amodra@bigpond.net.au>
* configure.in (WIN32LIBADD): Don't eval PICFLAG assignment.

9
bfd/elf.c
View File

@ -1563,6 +1563,9 @@ bfd_section_from_shdr (abfd, shindex)
case SHT_NOBITS: /* .bss section. */
case SHT_HASH: /* .hash section. */
case SHT_NOTE: /* .note section. */
case SHT_INIT_ARRAY: /* .init_array section. */
case SHT_FINI_ARRAY: /* .fini_array section. */
case SHT_PREINIT_ARRAY: /* .preinit_array section. */
return _bfd_elf_make_section_from_shdr (abfd, hdr, name);
case SHT_SYMTAB: /* A symbol table */
@ -2177,6 +2180,12 @@ elf_fake_sections (abfd, asect, failedptrarg)
this_hdr->sh_type = SHT_REL;
this_hdr->sh_entsize = bed->s->sizeof_rel;
}
else if (strcmp (asect->name, ".init_array") == 0)
this_hdr->sh_type = SHT_INIT_ARRAY;
else if (strcmp (asect->name, ".fini_array") == 0)
this_hdr->sh_type = SHT_FINI_ARRAY;
else if (strcmp (asect->name, ".preinit_array") == 0)
this_hdr->sh_type = SHT_PREINIT_ARRAY;
else if (strncmp (asect->name, ".note", 5) == 0)
this_hdr->sh_type = SHT_NOTE;
else if (strncmp (asect->name, ".stab", 5) == 0

46
bfd/elflink.h
View File

@ -3029,9 +3029,7 @@ NAME(bfd_elf,size_dynamic_sections) (output_bfd, soname, rpath,
struct bfd_elf_version_tree *verdefs;
{
bfd_size_type soname_indx;
bfd *dynobj, *sub;
asection *o;
int need_preinit_array = 0, need_init_array = 0, need_fini_array = 0;
bfd *dynobj;
struct elf_backend_data *bed;
struct elf_assign_sym_version_info asvinfo;
@ -3202,27 +3200,36 @@ NAME(bfd_elf,size_dynamic_sections) (output_bfd, soname, rpath,
return false;
}
for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
for (o = sub->sections; o != NULL; o = o->next)
{
/* yuck, more matching by name... */
if (strcmp (bfd_section_name (sub, o), ".preinit_array") == 0)
need_preinit_array = 1;
if (strcmp (bfd_section_name (sub, o), ".init_array") == 0)
need_init_array = 1;
if (strcmp (bfd_section_name (sub, o), ".fini_array") == 0)
need_fini_array = 1;
}
if (need_preinit_array)
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;
}
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 (need_init_array)
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)
@ -3230,7 +3237,7 @@ NAME(bfd_elf,size_dynamic_sections) (output_bfd, soname, rpath,
(bfd_vma) 0))
return false;
}
if (need_fini_array)
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)
@ -5600,6 +5607,9 @@ elf_bfd_final_link (abfd, info)
get_size:
o = bfd_get_section_by_name (abfd, name);
BFD_ASSERT (o != NULL);
if (o->_raw_size == 0)
(*_bfd_error_handler)
(_("warning: %s section has zero size"), name);
dyn.d_un.d_val = o->_raw_size;
elf_swap_dyn_out (dynobj, &dyn, dyncon);
break;

9
bfd/elfxx-ia64.c
View File

@ -1016,9 +1016,6 @@ elfNN_ia64_section_from_shdr (abfd, hdr, name)
switch (hdr->sh_type)
{
case SHT_IA_64_UNWIND:
case SHT_INIT_ARRAY:
case SHT_FINI_ARRAY:
case SHT_PREINIT_ARRAY:
case SHT_IA_64_HP_OPT_ANOT:
break;
@ -1076,12 +1073,6 @@ elfNN_ia64_fake_sections (abfd, hdr, sec)
}
else if (strcmp (name, ELF_STRING_ia64_archext) == 0)
hdr->sh_type = SHT_IA_64_EXT;
else if (strcmp (name, ".init_array") == 0)
hdr->sh_type = SHT_INIT_ARRAY;
else if (strcmp (name, ".fini_array") == 0)
hdr->sh_type = SHT_FINI_ARRAY;
else if (strcmp (name, ".preinit_array") == 0)
hdr->sh_type = SHT_PREINIT_ARRAY;
else if (strcmp (name, ".HP.opt_annot") == 0)
hdr->sh_type = SHT_IA_64_HP_OPT_ANOT;
else if (strcmp (name, ".reloc") == 0)