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d8045f234d
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.
83 lines
2.5 KiB
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83 lines
2.5 KiB
Plaintext
2009-04-30 Nick Clifton <nickc@redhat.com>
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* (enum STT): Add STT_GNU_IFUNC.
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2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
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* elfcpp.h (SHT_GNU_INCREMENTAL_INPUTS): Define.
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2009-03-01 Ian Lance Taylor <iant@google.com>
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* elfcpp_swap.h: #include "config.h". Only #include <byteswap.h>
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if HAVE_BYTESWAP_H is defined; if not, provide definitions for
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bswap_{16,32,64}. For gcc 4.3 and later, use the builtin bswap
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functions. Check WORDS_BIGENDIAN rather than __BYTE_ORDER.
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2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
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* elfcpp.h (enum STT): Remove STT_IFUNC.
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2008-12-03 Nick Clifton <nickc@redhat.com>
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* elfcpp.h (enum STT): Add STT_IFUNC.
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2008-06-12 David S. Miller <davem@davemloft.net>
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* powerpc.h: New file.
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* elfcpp.h (SHT_ORDERED): New enum constant.
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(DT_PPC_GOT, DT_PPC64_GLINK, DT_PPC64_OPD, DT_PPC64_OPDSZ): Same.
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2008-05-28 Caleb Howe <cshowe@google.com>
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* dwarf.h (enum DW_FORM): Define.
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2008-04-19 Ian Lance Taylor <iant@google.com>
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* elfcpp_file.h (class Elf_file): Add large_shndx_offset_ field.
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(Elf_file::large_shndx_offset): New function.
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(Elf_file::construct): Initialize large_shndx_offset_.
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(Elf_File::initialize_shnum): If necessary, adjust shstrndx_ and
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set large_shndx_offset_.
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2008-04-16 David S. Miller <davem@davemloft.net>
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* elfcpp.h (DF_1_NOW, DF_1_GLOBAL, DF_1_GROUP,
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DF_1_NODELETE, DF_1_LOADFLTR, DF_1_INITFIRST,
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DF_1_NOOPEN, DF_1_ORIGIN, DF_1_DIRECT, DF_1_TRANS,
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DF_1_INTERPOSE, DF_1_NODEFLIB, DF_1_NODUMP,
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DF_1_CONLFAT): New enum constants.
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2008-04-15 David S. Miller <davem@davemloft.net>
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* sparc.h (EF_SPARC_EXT_MASK, EF_SPARC_32PLUS_MASK,
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EF_SPARC_32PLUS, EF_SPARC_SUN_US1, EF_SPARC_HAL_R1,
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EF_SPARC_SUN_US3, EF_SPARC_LEDATA, EF_SPARCV9_MM,
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EF_SPARCV9_TSO, EF_SPARCV9_PSO, EF_SPARCV9_RMO):
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Define as enum constants.
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2008-04-11 David S. Miller <davem@davemloft.net>
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* sparc.h: New file
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* elfcpp.h (SHN_BEFORE, SHN_AFTER): New enum constants.
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(SHT_SPARC_GOTDATA, SHF_ORDERED, SHF_EXCLUDE,
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STT_SPARC_REGISTER, DT_SPARC_REGISTER): Likewise.
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2008-04-03 Ian Lance Taylor <iant@google.com>
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* elfcpp_swap.h (Swap_unaligned<64, true>::writeval): Correct
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byte order.
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2008-03-24 Ian Lance Taylor <iant@google.com>
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* elfcpp.h (NT_VERSION, NT_ARCH): Define as enum constants.
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(NT_GNU_ABI_TAG, NT_GNU_HWCAP): Likewise.
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(NT_GNU_BUILD_ID, NT_GNU_GOLD_VERSION): Likewise.
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(ELF_NOTE_OS_LINUX, ELF_NOTE_OS_GNU): Likewise.
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(ELF_NOTE_OS_SOLARIS2, ELF_NOTE_OS_NETBSD): Likewise.
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(ELF_NOTE_OS_SYLLABLE): Likewise.
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2008-03-21 Ian Lance Taylor <iant@google.com>
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* Added source code to GNU binutils.
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