mirror of
https://sourceware.org/git/binutils-gdb.git
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e7c3341679
* common.h (STT_IFUNC): Define.
elfcpp/
* elfcpp.h (enum STT): Add STT_IFUNC.
bfd/
* syms.c (struct bfd_symbol): Add new flag BSF_INDIRECT_FUNCTION.
Remove redundant flag BFD_FORT_COMM_DEFAULT_VALUE. Renumber flags
to remove gaps.
(bfd_print_symbol_vandf): Return 'i' for BSF_INDIRECT_FUNCTION.
(bfd_decode_symclass): Likewise.
* elf.c (swap_out_syms): Translate BSF_INDIRECT_FUNCTION into
STT_IFUNC.
(elf_find_function): Treat STT_IFUNC in the same way as STT_FUNC.
(_bfd_elf_is_function_type): Likewise.
* elf32-arm.c (arm_elf_find_function): Likewise.
(elf32_arm_adjust_dynamic_symbol): Likewise.
(elf32_arm_swap_symbol_in): Likewise.
(elf32_arm_additional_program_headers): Likewise.
* elf32-i386.c (is_indirect_symbol): New function.
(elf_i386_check_relocs): Also generate dynamic relocs for
relocations against STT_IFUNC symbols.
(allocate_dynrelocs): Likewise.
(elf_i386_relocate_section): Likewise.
* elf64-x86-64.c (is_indirect_symbol): New function.
(elf64_x86_64_check_relocs): Also generate dynamic relocs for
relocations against STT_IFUNC symbols.
(allocate_dynrelocs): Likewise.
(elf64_x86_64_relocate_section): Likewise.
* elfcode.h (elf_slurp_symbol_table): Translate STT_IFUNC into
BSF_INDIRECT_FUNCTION.
* elflink.c (_bfd_elf_adjust_dynamic_reloc_section): Add support
for STT_IFUNC symbols.
(get_ifunc_reloc_section_name): New function.
(_bfd_elf_make_ifunc_reloc_section): New function.
* elf-bfd.h (struct bfd_elf_section_data): Add indirect_relocs field.
* bfd-in2.h: Regenerate.
gas/
* config/obj-elf.c (obj_elf_type): Add support for STT_IFUNC type.
* doc/as.texinfo: Document new feature.
* NEWS: Mention new feature.
gas/testsuite/
* gas/elf/type.s: Add test of STT_IFUNC symbol type.
* gas/elf/type.e: Update expected disassembly.
* gas/elf/elf.exp: Update grep of symbol types.
ld/
* NEWS: Mention new feature.
* pe-dll.c (process_def_file): Replace use of redundant
BFD_FORT_COMM_DEFAULT_VALUE with 0.
* scripttempl/elf.sc: Add .rel.ifunc.dyn and .rela.ifunc.dyn
sections.
ld/testsuite/
* ld-mips-elf/reloc-1-n32.d: Updated expected output for reloc
descriptions.
* ld-mips-elf/reloc-1-n64.d: Likewise.
* ld-i386/ifunc.d: New test.
* ld-i386/ifunc.s: Source file for the new test.
* ld-i386/i386.exp: Run the new test.
200 lines
5.0 KiB
Makefile
200 lines
5.0 KiB
Makefile
#source: reloc-1a.s -mabi=n32
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#source: reloc-1b.s -mabi=n32
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#ld: -r
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#readelf: --relocs
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Relocation section '\.rela\.text' .*
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.*
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#
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# Relocations against tstarta
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#
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.* R_MIPS_HI16 .* \.text \- 8010
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.* R_MIPS_LO16 .* \.text \- 8010
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.* R_MIPS_HI16 .* \.text \- 8000
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.* R_MIPS_LO16 .* \.text \- 8000
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.* R_MIPS_HI16 .* \.text \+ 0
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.* R_MIPS_LO16 .* \.text \+ 0
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.* R_MIPS_HI16 .* \.text \+ 7ff0
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.* R_MIPS_LO16 .* \.text \+ 7ff0
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.* R_MIPS_HI16 .* \.text \+ 8010
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.* R_MIPS_LO16 .* \.text \+ 8010
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#
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# Relocations against t32a
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#
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.* R_MIPS_HI16 .* \.text \- 7ff0
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.* R_MIPS_LO16 .* \.text \- 7ff0
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.* R_MIPS_HI16 .* \.text \- 7fe0
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.* R_MIPS_LO16 .* \.text \- 7fe0
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.* R_MIPS_HI16 .* \.text \+ 20
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.* R_MIPS_LO16 .* \.text \+ 20
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.* R_MIPS_HI16 .* \.text \+ 8010
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.* R_MIPS_LO16 .* \.text \+ 8010
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.* R_MIPS_HI16 .* \.text \+ 8030
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.* R_MIPS_LO16 .* \.text \+ 8030
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#
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# Relocations against _start
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#
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.* R_MIPS_HI16 .* _start \- 8010
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.* R_MIPS_LO16 .* _start \- 8010
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.* R_MIPS_HI16 .* _start \- 8000
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.* R_MIPS_LO16 .* _start \- 8000
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.* R_MIPS_HI16 .* _start \+ 0
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.* R_MIPS_LO16 .* _start \+ 0
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.* R_MIPS_HI16 .* _start \+ 7ff0
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.* R_MIPS_LO16 .* _start \+ 7ff0
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.* R_MIPS_HI16 .* _start \+ 8010
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.* R_MIPS_LO16 .* _start \+ 8010
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#
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# Relocations against tstarta
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#
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.* R_MIPS_GOT16 .* \.text \- 8010
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.* R_MIPS_LO16 .* \.text \- 8010
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.* R_MIPS_GOT16 .* \.text \- 8000
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.* R_MIPS_LO16 .* \.text \- 8000
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.* R_MIPS_GOT16 .* \.text \+ 0
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.* R_MIPS_LO16 .* \.text \+ 0
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.* R_MIPS_GOT16 .* \.text \+ 7ff0
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.* R_MIPS_LO16 .* \.text \+ 7ff0
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.* R_MIPS_GOT16 .* \.text \+ 8010
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.* R_MIPS_LO16 .* \.text \+ 8010
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#
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# Relocations against t32a
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#
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.* R_MIPS_GOT16 .* \.text \- 7ff0
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.* R_MIPS_LO16 .* \.text \- 7ff0
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.* R_MIPS_GOT16 .* \.text \- 7fe0
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.* R_MIPS_LO16 .* \.text \- 7fe0
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.* R_MIPS_GOT16 .* \.text \+ 20
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.* R_MIPS_LO16 .* \.text \+ 20
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.* R_MIPS_GOT16 .* \.text \+ 8010
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.* R_MIPS_LO16 .* \.text \+ 8010
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.* R_MIPS_GOT16 .* \.text \+ 8030
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.* R_MIPS_LO16 .* \.text \+ 8030
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#
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# Relocations against sdg
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#
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.* R_MIPS_GPREL16 .* sdg \- 4
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.* R_MIPS_GPREL16 .* sdg \+ 0
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.* R_MIPS_GPREL16 .* sdg \+ 4
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#
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# Relocations against sdla. .sdata should be the first piece of gp-relative
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# data, which the linker script should put _gp - 0x7ff0.
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#
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.* R_MIPS_GPREL16 .* \.sdata \- 7fe4
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.* R_MIPS_GPREL16 .* \.sdata \- 7fe0
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.* R_MIPS_GPREL16 .* \.sdata \- 7fdc
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#
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# Relocations against tstarta
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#
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.* R_MIPS_26 .* \.text \- 4
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.* R_MIPS_26 .* \.text \+ 0
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.* R_MIPS_26 .* \.text \+ 4
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#
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# Relocations against t32a
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#
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.* R_MIPS_26 .* \.text \+ 1c
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.* R_MIPS_26 .* \.text \+ 20
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.* R_MIPS_26 .* \.text \+ 24
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#
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# Relocations against _start
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#
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.* R_MIPS_26 .* _start \- 4
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.* R_MIPS_26 .* _start \+ 0
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.* R_MIPS_26 .* _start \+ 4
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#
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# Relocations against tstartb
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#
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.* R_MIPS_HI16 .* \.text \+ 7fe0
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.* R_MIPS_LO16 .* \.text \+ 7fe0
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.* R_MIPS_HI16 .* \.text \+ 7ff0
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.* R_MIPS_LO16 .* \.text \+ 7ff0
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.* R_MIPS_HI16 .* \.text \+ fff0
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.* R_MIPS_LO16 .* \.text \+ fff0
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.* R_MIPS_HI16 .* \.text \+ 17fe0
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.* R_MIPS_LO16 .* \.text \+ 17fe0
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.* R_MIPS_HI16 .* \.text \+ 18000
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.* R_MIPS_LO16 .* \.text \+ 18000
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#
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# Relocations against t32b
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#
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.* R_MIPS_HI16 .* \.text \+ 8000
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.* R_MIPS_LO16 .* \.text \+ 8000
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.* R_MIPS_HI16 .* \.text \+ 8010
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.* R_MIPS_LO16 .* \.text \+ 8010
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.* R_MIPS_HI16 .* \.text \+ 10010
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.* R_MIPS_LO16 .* \.text \+ 10010
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.* R_MIPS_HI16 .* \.text \+ 18000
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.* R_MIPS_LO16 .* \.text \+ 18000
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.* R_MIPS_HI16 .* \.text \+ 18020
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.* R_MIPS_LO16 .* \.text \+ 18020
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#
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# Relocations against _start
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#
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.* R_MIPS_HI16 .* _start \- 8010
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.* R_MIPS_LO16 .* _start \- 8010
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.* R_MIPS_HI16 .* _start \- 8000
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.* R_MIPS_LO16 .* _start \- 8000
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.* R_MIPS_HI16 .* _start \+ 0
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.* R_MIPS_LO16 .* _start \+ 0
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.* R_MIPS_HI16 .* _start \+ 7ff0
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.* R_MIPS_LO16 .* _start \+ 7ff0
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.* R_MIPS_HI16 .* _start \+ 8010
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.* R_MIPS_LO16 .* _start \+ 8010
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#
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# Relocations against tstartb
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#
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.* R_MIPS_GOT16 .* \.text \+ 7fe0
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.* R_MIPS_LO16 .* \.text \+ 7fe0
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.* R_MIPS_GOT16 .* \.text \+ 7ff0
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.* R_MIPS_LO16 .* \.text \+ 7ff0
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.* R_MIPS_GOT16 .* \.text \+ fff0
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.* R_MIPS_LO16 .* \.text \+ fff0
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.* R_MIPS_GOT16 .* \.text \+ 17fe0
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.* R_MIPS_LO16 .* \.text \+ 17fe0
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.* R_MIPS_GOT16 .* \.text \+ 18000
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.* R_MIPS_LO16 .* \.text \+ 18000
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#
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# Relocations against t32b
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#
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.* R_MIPS_GOT16 .* \.text \+ 8000
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.* R_MIPS_LO16 .* \.text \+ 8000
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.* R_MIPS_GOT16 .* \.text \+ 8010
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.* R_MIPS_LO16 .* \.text \+ 8010
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.* R_MIPS_GOT16 .* \.text \+ 10010
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.* R_MIPS_LO16 .* \.text \+ 10010
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.* R_MIPS_GOT16 .* \.text \+ 18000
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.* R_MIPS_LO16 .* \.text \+ 18000
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.* R_MIPS_GOT16 .* \.text \+ 18020
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.* R_MIPS_LO16 .* \.text \+ 18020
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#
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# Relocations against sdg
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#
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.* R_MIPS_GPREL16 .* sdg \- 4
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.* R_MIPS_GPREL16 .* sdg \+ 0
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.* R_MIPS_GPREL16 .* sdg \+ 4
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#
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# Relocations against sdlb
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#
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.* R_MIPS_GPREL16 .* \.sdata \- 7fc4
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.* R_MIPS_GPREL16 .* \.sdata \- 7fc0
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.* R_MIPS_GPREL16 .* \.sdata \- 7fbc
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#
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# Relocations against tstartb
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#
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.* R_MIPS_26 .* \.text \+ ffec
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.* R_MIPS_26 .* \.text \+ fff0
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.* R_MIPS_26 .* \.text \+ fff4
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#
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# Relocations against t32b
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#
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.* R_MIPS_26 .* \.text \+ 1000c
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.* R_MIPS_26 .* \.text \+ 10010
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.* R_MIPS_26 .* \.text \+ 10014
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#
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# Relocations against _start
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#
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.* R_MIPS_26 .* _start \- 4
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.* R_MIPS_26 .* _start \+ 0
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.* R_MIPS_26 .* _start \+ 4
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#pass
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