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Enhance support for copying and stripping Solaris and ARM binaries.

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PR 19938
bfd	* elf-bfd.h (struct elf_backend_data): Rename
	elf_backend_set_special_section_info_and_link to
	elf_backend_copy_special_section_fields.
	* elfxx-target.h: Likewise.
	* elf.c (section_match): Ignore the SHF_INFO_LINK flag when
	comparing section flags.
	(copy_special_section_fields): New function.
	(_bfd_elf_copy_private_bfd_data): Copy the EI_ABIVERSION field.
	Perform two scans over special sections.  The first one looks for
	a direct mapping between the output section and an input section.
	The second scan looks for a possible match based upon section
	characteristics.
	* elf32-arm.c (elf32_arm_copy_special_section_fields): New
	function.  Handle setting the sh_link field of SHT_ARM_EXIDX
	sections.
	* elf32-i386.c (elf32_i386_set_special_info_link): Rename to
	elf32_i386_copy_solaris_special_section_fields.
	* elf32-sparc.c (elf32_sparc_set_special_section_info_link):
	Rename to elf32_sparc_copy_solaris_special_section_fields.
	* elf64-x86-64.c (elf64_x86_64_set_special_info_link): Rename to
	elf64_x86_64_copy_solaris_special_section_fields.

binutils* readelf.c (get_solaris_segment_type): New function.
	(get_segment_type): Call it.
This commit is contained in:
Nick Clifton
2016-04-29 09:24:42 +01:00
parent 2deb93c7a7
commit 5522f910cb
10 changed files with 361 additions and 143 deletions
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14
bfd/elf32-sparc.c
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@@ -265,18 +265,18 @@ elf32_sparc_add_symbol_hook (bfd * abfd,
#define elf_backend_strtab_flags SHF_STRINGS
static bfd_boolean
elf32_sparc_set_special_info_link (const bfd *ibfd ATTRIBUTE_UNUSED,
bfd *obfd ATTRIBUTE_UNUSED,
const Elf_Internal_Shdr *isection ATTRIBUTE_UNUSED,
Elf_Internal_Shdr *osection ATTRIBUTE_UNUSED)
elf32_sparc_copy_solaris_special_section_fields (const bfd *ibfd ATTRIBUTE_UNUSED,
bfd *obfd ATTRIBUTE_UNUSED,
const Elf_Internal_Shdr *isection ATTRIBUTE_UNUSED,
Elf_Internal_Shdr *osection ATTRIBUTE_UNUSED)
{
/* PR 19938: FIXME: Need to add code for setting the sh_info
and sh_link fields of Solaris specific section types. */
return FALSE;
}
#undef elf_backend_set_special_section_info_and_link
#define elf_backend_set_special_section_info_and_link elf32_sparc_set_special_info_link
#undef elf_backend_copy_special_section_fields
#define elf_backend_copy_special_section_fields elf32_sparc_copy_solaris_special_section_fields
#include "elf32-target.h"
@@ -341,7 +341,7 @@ elf32_sparc_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker)
elf32_sparc_vxworks_final_write_processing
#undef elf_backend_static_tls_alignment
#undef elf_backend_strtab_flags
#undef elf_backend_set_special_section_info_and_link
#undef elf_backend_copy_special_section_fields
#undef elf32_bed
#define elf32_bed sparc_elf_vxworks_bed