Add support for .MIPS.abiflags and .gnu.attributes sections. ...
elfcpp/
* elfcpp.h (SHT_MIPS_ABIFLAGS): New enum constant.
* mips.h (EF_MIPS_FP64, EF_MIPS_NAN2008): New enum constants for
processor-specific flags.
(E_MIPS_MACH_5900): New enum constant for machine variant.
(AFL_REG_NONE, AFL_REG_32, AFL_REG_64, AFL_REG_128): New enum
constants.
(AFL_ASE_DSP, AFL_ASE_DSPR2, AFL_ASE_EVA, AFL_ASE_MCU,
AFL_ASE_MDMX, AFL_ASE_MIPS3D, AFL_ASE_MT, AFL_ASE_SMARTMIPS,
AFL_ASE_VIRT, AFL_ASE_MSA, AFL_ASE_MIPS16, AFL_ASE_MICROMIPS,
AFL_ASE_XPA): Likewise.
(AFL_EXT_XLR, AFL_EXT_OCTEON2, AFL_EXT_OCTEONP,
AFL_EXT_LOONGSON_3A, AFL_EXT_OCTEON, AFL_EXT_5900, AFL_EXT_4650,
AFL_EXT_4010, AFL_EXT_4100, AFL_EXT_3900, AFL_EXT_10000,
AFL_EXT_SB1, AFL_EXT_4111, AFL_EXT_4120, AFL_EXT_5400,
AFL_EXT_5500, AFL_EXT_LOONGSON_2E, AFL_EXT_LOONGSON_2F,
AFL_EXT_OCTEON3): Likewise.
(Tag_GNU_MIPS_ABI_FP, Tag_GNU_MIPS_ABI_MSA): Likewise.
(Val_GNU_MIPS_ABI_FP_ANY, Val_GNU_MIPS_ABI_FP_DOUBLE,
Val_GNU_MIPS_ABI_FP_SINGLE, Val_GNU_MIPS_ABI_FP_SOFT,
Val_GNU_MIPS_ABI_FP_OLD_64,Val_GNU_MIPS_ABI_FP_XX,
Val_GNU_MIPS_ABI_FP_64, Val_GNU_MIPS_ABI_FP_64A,
Val_GNU_MIPS_ABI_FP_NAN2008, Val_GNU_MIPS_ABI_MSA_ANY,
Val_GNU_MIPS_ABI_MSA_128): Likewise.
(AFL_FLAGS1_ODDSPREG): New enum constant.
gold/
* mips.cc (struct Mips_abiflags): New struct.
(Mips_relobj::Mips_relobj): Initialize attributes_section_data_
and abiflags_.
(Mips_relobj::~Mips_relobj): Delete object pointed by
attributes_section_data_.
(Mips_relobj::abiflags): New method.
(Mips_relobj::attributes_section_data): Likewise.
(Mips_relobj::attributes_section_data_): New data member.
(Mips_relobj::abiflags_): Likewise.
(class Mips_output_section_abiflags): New class.
(Target_mips::Target_mips): Initialize attributes_section_data_,
abiflags_ and has_abiflags_section_.
(Target_mips::do_should_include_section): Don't emit input
.MIPS.abiflags sections to output .MIPS.abiflags.
(Target_mips::Mips_mach): Add new enum constants.
(Target_mips::mips_isa_ext_mach): New method.
(Target_mips::mips_isa_ext): Likewise.
(Target_mips::update_abiflags_isa): Likewise.
(Target_mips::infer_abiflags): Likewise.
(Target_mips::create_abiflags): Likewise.
(Target_mips::fp_abi_string): Likewise.
(Target_mips::select_fp_abi): Likewise.
(Target_mips::merge_obj_attributes): Likewise.
(Target_mips::merge_obj_abiflags): Likewise.
(Target_mips::level_rev): Likewise.
(Target_mips::merge_obj_e_flags): Rename from
merge_processor_specific_flags. Remove dyn_obj argument,
call update_abiflags_isa when needed, compare NaN encodings and
compare FP64 state.
(Target_mips::add_machine_extensions): Add two machine extensions
and fix one.
(Target_mips::attributes_section_data_): New data member.
(Target_mips::abiflags_): Likewise.
(Target_mips::has_abiflags_section_): Likewise.
(Mips_relobj::do_read_symbols): Read .gnu.attributes and
.MIPS.abiflags sections if they exists.
(Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and
E_MIPS_MACH_OCTEON3 support.
(Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag.
(Target_mips::do_finalize_sections): Merge .gnu.attributes and
.MIPS.abiflags sections from input. Create these sections if
needed.
(Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and
E_MIPS_MACH_OCTEON3 support, and change strings for
E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just
to match bfd.
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