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* elf.c (elf_fake_sections): Adjust test for SHT_NOBITS sections
	created by objcopy --only-keep-debug.
	(_bfd_elf_init_private_section_data): Only change elf_section_type
	if it is SHT_NULL.
binutils/
	* objcopy.c (copy_object): Revert 2007-05-11 change.  Don't
	avoid calling bfd_copy_private_bfd_data for ELF STRIP_NONDEBUG.
	(setup_section): Don't modify flags, and don't avoid calling
	bfd_copy_private_section_data for ELF STRIP_NONDEBUG.
	* readelf.c (process_program_headers): Ignore .dynamic of type
	SHT_NOBITS.
This commit is contained in:
Alan Modra 2007-05-30 14:29:27 +00:00
parent 02bf8d82b5
commit 42bb2e3317
5 changed files with 28 additions and 29 deletions
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5
bfd/ChangeLog
View File

@ -1,5 +1,10 @@
2007-05-30 Alan Modra <amodra@bigpond.net.au>
* elf.c (elf_fake_sections): Adjust test for SHT_NOBITS sections
created by objcopy --only-keep-debug.
(_bfd_elf_init_private_section_data): Only change elf_section_type
if it is SHT_NULL.
* elf.c (assign_file_positions_for_load_sections): Correct sh_type
to SHT_NOBITS earlier. Base actions in rest of function on sh_type
and sh_flags instead of bfd section flags. Delete voff and code

15
bfd/elf.c
View File

@ -2907,11 +2907,10 @@ elf_fake_sections (bfd *abfd, asection *asect, void *failedptrarg)
&& !(*bed->elf_backend_fake_sections) (abfd, this_hdr, asect))
*failedptr = TRUE;
if (sh_type == SHT_NOBITS
&& elf_elfheader (abfd)->e_phnum == 0)
if (sh_type == SHT_NOBITS && asect->size != 0)
{
/* Don't change the header type from NOBITS if we are being
called for strip/objcopy --only-keep-debug. */
called for objcopy --only-keep-debug. */
this_hdr->sh_type = sh_type;
}
@ -6039,13 +6038,9 @@ _bfd_elf_init_private_section_data (bfd *ibfd,
output BFD section flags have been set to something different.
elf_fake_sections will set ELF section type based on BFD
section flags. */
if (osec->flags == isec->flags || !osec->flags)
{
BFD_ASSERT (osec->flags == isec->flags
|| (!osec->flags
&& elf_section_type (osec) == SHT_NULL));
elf_section_type (osec) = elf_section_type (isec);
}
if (elf_section_type (osec) == SHT_NULL
&& (osec->flags == isec->flags || !osec->flags))
elf_section_type (osec) = elf_section_type (isec);
/* FIXME: Is this correct for all OS/PROC specific flags? */
elf_section_flags (osec) |= (elf_section_flags (isec)

9
binutils/ChangeLog
View File

@ -1,3 +1,12 @@
2007-05-30 Alan Modra <amodra@bigpond.net.au>
* objcopy.c (copy_object): Revert 2007-05-11 change. Don't
avoid calling bfd_copy_private_bfd_data for ELF STRIP_NONDEBUG.
(setup_section): Don't modify flags, and don't avoid calling
bfd_copy_private_section_data for ELF STRIP_NONDEBUG.
* readelf.c (process_program_headers): Ignore .dynamic of type
SHT_NOBITS.
2007-05-29 Alan Modra <amodra@bigpond.net.au>
* embedspu.sh: Emit SPU ELF image to .data.rel.ro.speelf if

25
binutils/objcopy.c
View File

@ -1423,12 +1423,7 @@ copy_object (bfd *ibfd, bfd *obfd)
any output is done. Thus, we traverse all sections multiple times. */
bfd_map_over_sections (ibfd, setup_section, obfd);
/* Don't copy headers when creating an ELF format debug info file. */
if (bfd_get_flavour (ibfd) == bfd_target_elf_flavour
&& strip_symbols == STRIP_NONDEBUG)
;
else
setup_bfd_headers (ibfd, obfd);
setup_bfd_headers (ibfd, obfd);
if (add_sections != NULL)
{
@ -1771,12 +1766,7 @@ copy_object (bfd *ibfd, bfd *obfd)
from the input BFD to the output BFD. This is done last to
permit the routine to look at the filtered symbol table, which is
important for the ECOFF code at least. */
if (bfd_get_flavour (ibfd) == bfd_target_elf_flavour
&& strip_symbols == STRIP_NONDEBUG)
/* Do not copy the private data when creating an ELF format
debug info file. We do not want the program headers. */
;
else if (! bfd_copy_private_bfd_data (ibfd, obfd))
if (! bfd_copy_private_bfd_data (ibfd, obfd))
{
non_fatal (_("%s: error copying private BFD data: %s"),
bfd_get_filename (obfd),
@ -2206,7 +2196,9 @@ setup_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
if (p != NULL && p->set_flags)
flags = p->flags | (flags & (SEC_HAS_CONTENTS | SEC_RELOC));
else if (strip_symbols == STRIP_NONDEBUG && (flags & SEC_ALLOC) != 0)
else if (strip_symbols == STRIP_NONDEBUG
&& obfd->xvec->flavour != bfd_target_elf_flavour
&& (flags & SEC_ALLOC) != 0)
flags &= ~(SEC_HAS_CONTENTS | SEC_LOAD);
osection = bfd_make_section_anyway_with_flags (obfd, name, flags);
@ -2289,12 +2281,7 @@ setup_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
/* Allow the BFD backend to copy any private data it understands
from the input section to the output section. */
if (bfd_get_flavour (ibfd) == bfd_target_elf_flavour
&& strip_symbols == STRIP_NONDEBUG)
/* Do not copy the private data when creating an ELF format
debug info file. We do not want the program headers. */
;
else if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection))
if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection))
{
err = _("private data");
goto loser;

3
binutils/readelf.c
View File

@ -3516,6 +3516,9 @@ process_program_headers (FILE *file)
break;
}
if (sec->sh_type == SHT_NOBITS)
break;
dynamic_addr = sec->sh_offset;
dynamic_size = sec->sh_size;