bfd/sid-snapshot-20090601
commita252b524e8ae6c6c1d0cfd89c1a3dfc136b3839a
authorH.J. Lu <hjl@lucon.org>
Mon, 1 Jun 2009 13:11:52 +0000 (1 13:11 +0000)
committerH.J. Lu <hjl@lucon.org>
Mon, 1 Jun 2009 13:11:52 +0000 (1 13:11 +0000)
tree92f7fac1a1c76f469edc9fb07cc40f26c9cac06c
parentf4cafbd0d73b012a4ba25da223646ec9cc1565cb
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.
27 files changed:
bfd/ChangeLog
bfd/bfd-in2.h
bfd/elf32-i386.c
bfd/elf64-x86-64.c
bfd/libbfd.h
bfd/reloc.c
include/elf/ChangeLog
include/elf/i386.h
include/elf/x86-64.h
ld/testsuite/ChangeLog
ld/testsuite/ld-ifunc/ifunc-1-x86.d [new file with mode: 0644]
ld/testsuite/ld-ifunc/ifunc-1-x86.s [new file with mode: 0644]
ld/testsuite/ld-ifunc/ifunc-2-i386.d [new file with mode: 0644]
ld/testsuite/ld-ifunc/ifunc-2-i386.s [new file with mode: 0644]
ld/testsuite/ld-ifunc/ifunc-2-x86-64.d [new file with mode: 0644]
ld/testsuite/ld-ifunc/ifunc-2-x86-64.s [new file with mode: 0644]
ld/testsuite/ld-ifunc/ifunc-3-x86.s [new file with mode: 0644]
ld/testsuite/ld-ifunc/ifunc-3a-x86.d [new file with mode: 0644]
ld/testsuite/ld-ifunc/ifunc-3b-x86.d [new file with mode: 0644]
ld/testsuite/ld-ifunc/ifunc-4-x86.d [new file with mode: 0644]
ld/testsuite/ld-ifunc/ifunc-4-x86.s [new file with mode: 0644]
ld/testsuite/ld-ifunc/ifunc-5-i386.d [new file with mode: 0644]
ld/testsuite/ld-ifunc/ifunc-5-i386.s [new file with mode: 0644]
ld/testsuite/ld-ifunc/ifunc-5-x86-64.d [new file with mode: 0644]
ld/testsuite/ld-ifunc/ifunc-5-x86-64.s [new file with mode: 0644]
ld/testsuite/ld-ifunc/ifunc.exp
ld/testsuite/ld-ifunc/lib.c