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2 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
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. |
||
Nick Clifton
|
d8045f234d |
include/elf
2009-04-30 Nick Clifton <nickc@redhat.com>
* common.h (STT_GNU_IFUNC): Define.
elfcpp
2009-04-30 Nick Clifton <nickc@redhat.com>
* (enum STT): Add STT_GNU_IFUNC.
gas
2009-04-30 Nick Clifton <nickc@redhat.com>
* config/obj-elf.c (obj_elf_type): Add support for a
gnu_indirect_function type.
* config/tc-i386.c (tc_i386_fix_adjustable): Do not adjust fixups
against indirect function symbols.
* doc/as.texinfo (.type): Document the support for the
gnu_indirect_function symbol type.
* NEWS: Mention the new feature.
gas/testsuite
2009-04-30 Nick Clifton <nickc@redhat.com>
* gas/elf/elf.exp: Extend type test to include an ifunc symbol.
Provide an alternative test for targets which do not support ifunc
symbols.
(type.s): Add entry for an ifunc symbol.
(type.e): Add ifunc entry to expected symbol dump.
(section2.e-armelf): Add entry for ifunc symbol.
(type-noifunc.s): New file.
(type-noifunc.e): New file.
bfd/
2009-04-30 Nick Clifton <nickc@redhat.com>
* elf-bfd.h (struct bfd_elf_section_data): Add indirect_relocs
section pointer.
(struct elf_obj_data): Add has_ifunc_symbols boolean.
* elf.c (swap_out_syms): Convert BSF_GNU_INDIRECT_FUNCTION flags
into a STT_GNU_IFUNC symbol type.
(_bfd_elf_is_function_type): Accept STT_GNU_IFUNC as a function
type.
(_bfd_elf_set_osabi): Set the osasbi field to ELFOSABI_LINUX if
the binary contains ifunc symbols.
* elfcode.h (elf_slurp_symbol_table): Translate the STT_GNU_IFUNC
symbol type into a BSF_GNU_INDIRECT_FUNCTION flag.
* elf32-i386.c (is_indirect_function): New function.
(elf_i386_check_relocs): Create an ifunc output section.
(allocate_dynrelocs): Create dynamic relocs in the ifunc output
section if necessary.
(elf_i386_relocate_section): Emit a reloc against an ifunc symbol
if necessary.
(elf_i386_add_symbol_hook): New function. Set the
has_ifunc_symbols field of the elf_obj_data structure if an ifunc
symbol is encountered.
(elf_backend_post_process_headers): Define.
(elf_backend_add_symbol_hook): Define.
(elf_i386_post_process_headers): Rename to
elf_i388_fbsd_post_process_headers.
* elf64-x86_64.c (IS_X86_64_PCREL_TYPE): New macro.
(is_indirect_function): New function.
(elf64_x86_64_check_relocs): Create an ifunc output section.
(allocate_dynrelocs): Create dynamic relocs in the ifunc output
section if necessary.
(elf64_x86_64_relocate_section): Emit a reloc against an ifunc
symbol if necessary.
(elf_i386_add_symbol_hook): Set the has_ifunc_symbols field of the
elf_obj_data structure if an ifunc symbol is encountered.
(elf_backend_post_process_headers): Define.
* elflink.c (_bfd_elf_adjust_dynamic_symbol): Always create a PLT
if we have ifunc symbols to handle.
(get_ifunc_reloc_section_name): New function. Computes the name
for an ifunc section.
(_bfd_elf_make_ifunc_reloc_section): New function. Creates a
section to hold ifunc relocs.
* syms.c (BSF_GNU_INDIRECT_FUNCTION): Define.
(bfd_print_symbol_vandf): Handle ifunc symbols.
(bfd_decode_symclass): Likewise.
* bfd-in2.h: Regenerate.
binutils
2009-04-30 Nick Clifton <nickc@redhat.com>
* readelf.c (dump_relocations): Display a relocation against an
ifunc symbol as if it were a function invocation.
(get_symbol_type): Handle STT_GNU_IFUNC.
ld
2009-04-30 Nick Clifton <nickc@redhat.com>
* NEWS: Mention support for IFUNC symbols.
ld/testsuite
2009-04-30 Nick Clifton <nickc@redhat.com>
* ld-ifunc: New directory.
* ld-ifunc/ifunc.exp: New file: Run the IFUNC tests.
* ld-ifunc/prog.c: New file.
* ld-ifunc/lib.c: New file.
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