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PR 4888

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* objcopy.c (setup_section): Do modify section flags for ELF
	STRIP_NONDEBUG (reverting part of 2007-05-30 change).  Prevent
	header rewrite by twiddling input section flags instead.
	Simplify code setting SHT_NOBITS.
This commit is contained in:
Alan Modra 2007-08-04 08:26:38 +00:00
parent 474d0d0c7a
commit 6612555199
2 changed files with 27 additions and 10 deletions
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8
binutils/ChangeLog
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@ -1,3 +1,11 @@
2007-08-04 Alan Modra <amodra@bigpond.net.au>
PR 4888
* objcopy.c (setup_section): Do modify section flags for ELF
STRIP_NONDEBUG (reverting part of 2007-05-30 change). Prevent
header rewrite by twiddling input section flags instead.
Simplify code setting SHT_NOBITS.
2007-07-28 Christopher Faylor <me+binutils@cgf.cx>
* MAINTAINERS: Update my email address.

27
binutils/objcopy.c
View File

@ -2165,6 +2165,7 @@ setup_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
const char *err;
const char * name;
char *prefix = NULL;
bfd_boolean make_nobits;
if (is_strip_section (ibfd, isection))
return;
@ -2193,12 +2194,26 @@ setup_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
name = n;
}
make_nobits = FALSE;
if (p != NULL && p->set_flags)
flags = p->flags | (flags & (SEC_HAS_CONTENTS | SEC_RELOC));
else if (strip_symbols == STRIP_NONDEBUG
&& obfd->xvec->flavour != bfd_target_elf_flavour
&& (flags & SEC_ALLOC) != 0)
&& (flags & SEC_ALLOC) != 0
&& (ibfd->xvec->flavour != bfd_target_elf_flavour
|| elf_section_type (isection) != SHT_NOTE))
{
flags &= ~(SEC_HAS_CONTENTS | SEC_LOAD);
if (obfd->xvec->flavour == bfd_target_elf_flavour)
{
make_nobits = TRUE;
/* Twiddle the input section flags so that it seems to
elf.c:copy_private_bfd_data that section flags have not
changed between input and output sections. This hack
prevents wholesale rewriting of the program headers. */
isection->flags &= ~(SEC_HAS_CONTENTS | SEC_LOAD);
}
}
osection = bfd_make_section_anyway_with_flags (obfd, name, flags);
@ -2208,13 +2223,7 @@ setup_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
goto loser;
}
if (strip_symbols == STRIP_NONDEBUG
&& obfd->xvec->flavour == bfd_target_elf_flavour
&& (flags & SEC_ALLOC) != 0
&& elf_section_type (osection) != SHT_NOTE
&& (ibfd->xvec->flavour != bfd_target_elf_flavour
|| elf_section_type (isection) != SHT_NOTE)
&& (p == NULL || !p->set_flags))
if (make_nobits)
elf_section_type (osection) = SHT_NOBITS;
size = bfd_section_size (ibfd, isection);