binutils-gdb/ifunc-4-x86.d at 1e129bbefadbf09ace0fc7fcb3cfcda13700e3b8 - binutils-gdb - ClassFun

mirrors/binutils-gdb

mirror of https://sourceware.org/git/binutils-gdb.git synced 2024-12-24 01:33:32 +08:00

H.J. Lu cbe950e9fe bfd/

2009-06-01  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/10205
	* elf32-i386.c (elf_howto_table): Add R_386_IRELATIVE.
	(elf_i386_reloc_type_lookup): Likewise.
	(R_386_tls): Removed.
	(R_386_irelative): New.
	(R_386_vt_offset): Updated.
	(elf_i386_rtype_to_howto): Likewise.
	(elf_i386_link_hash_table): Add igotplt, iplt and irelplt.
	(elf_i386_link_hash_table_create): Initialize igotplt,
	iplt and irelplt.
	(elf_i386_check_relocs): Handle STT_GNU_IFUNC symbol first.
	(elf_i386_adjust_dynamic_symbol): Likewise.
	(elf_i386_allocate_dynrelocs): Likewise.
	(elf_i386_relocate_section): Likewise.
	(elf_i386_size_dynamic_sections): Set up .iplt and .igot.plt
	sections.
	(elf_i386_finish_dynamic_symbol): When building a static
	executable, use .iplt, .igot.plt and .rel.iplt sections for
	STT_GNU_IFUNC symbols.  Generate R_386_IRELATIVE relocation for
	locally defined STT_GNU_IFUNC symbol.

	* elf64-x86-64.c (x86_64_elf_howto): Add R_X86_64_IRELATIVE.
	(x86_64_reloc_map): Likewise.
	(R_X86_64_standard): Updated.
	(elf64_x86_64_link_hash_table): Add igotplt, iplt and irelplt.
	(elf64_x86_64_link_hash_table_create): Initialize igotplt,
	iplt and irelplt.
	(elf64_x86_64_check_relocs): Handle STT_GNU_IFUNC symbol first.
	(elf64_x86_64_adjust_dynamic_symbol): Likewise.
	(elf64_x86_64_allocate_dynrelocs): Likewise.
	(elf64_x86_64_relocate_section): Likewise.
	(elf64_x86_64_size_dynamic_sections): Set up .iplt and .igot.plt
	sections.
	(elf64_x86_64_finish_dynamic_symbol): When building a static
	executable, use .iplt, .igot.plt and .rela.iplt sections for
	STT_GNU_IFUNC symbols.  Generate R_X86_64_IRELATIVE relocation
	for locally defined STT_GNU_IFUNC symbol.

	* reloc.c (BFD_RELOC_386_IRELATIVE): New.
	(BFD_RELOC_X86_64_IRELATIVE): Likewise.

	* bfd-in2.h: Regenerated.
	* libbfd.h: Likewise.

include/elf/

2009-06-01  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/10205
	* i386.h (R_386_IRELATIVE): New.
	* x86-64.h (R_X86_64_IRELATIVE): Likewise.

ld/testsuite/

2009-06-01  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/10205
	* ld-ifunc/ifunc.exp (contains_irelative_reloc): New.
	Use it on executable and shared library.
	Run *.d.

	* ld-ifunc/lib.c: Add a hidden alias, __GI_library_func2, for
	library_func2.
	(library_func): New.

	* ld-ifunc/ifunc-1-x86.d: New.
	* ld-ifunc/ifunc-1-x86.s: Likewise.
	* ld-ifunc/ifunc-2-i386.d: Likewise.
	* ld-ifunc/ifunc-2-i386.s: Likewise.
	* ld-ifunc/ifunc-2-x86-64.d: Likewise.
	* ld-ifunc/ifunc-2-x86-64.s: Likewise.
	* ld-ifunc/ifunc-3a-x86.d: Likewise.
	* ld-ifunc/ifunc-3b-x86.d: Likewise.
	* ld-ifunc/ifunc-3-x86.s: Likewise.
	* ld-ifunc/ifunc-4-x86.d: Likewise.
	* ld-ifunc/ifunc-4-x86.s: Likewise.
	* ld-ifunc/ifunc-5-i386.d: Likewise.
	* ld-ifunc/ifunc-5-i386.s: Likewise.
	* ld-ifunc/ifunc-5-x86-64.d: Likewise.
	* ld-ifunc/ifunc-5-x86-64.s: Likewise.

2009-06-01 13:11:52 +00:00

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 #ld:
 #readelf: -r --wide
 #target: x86_64-*-* i?86-*-*
 #...
 [0-9a-f]+[ ]+[0-9a-f]+[ ]+R_[_0-9A-Z]+_IRELATIVE[ ]*[0-9a-f]*
 #pass