Commit Graph

3 Commits

Author SHA1 Message Date
Matthew Fortune
351cdf24d2 [MIPS] Implement O32 FPXX, FP64 and FP64A ABI extensions
Specification:
https://dmz-portal.mips.com/wiki/MIPS_O32_ABI_-_FR0_and_FR1_Interlinking

include/

	* elf/mips.h (PT_MIPS_ABIFLAGS, SHT_MIPS_ABIFLAGS): Define.
	(Val_GNU_MIPS_ABI_FP_OLD_64): Rename from Val_GNU_MIPS_ABI_FP_64.
	(Val_GNU_MIPS_ABI_FP_64): Redefine.
	(Val_GNU_MIPS_ABI_FP_XX): Define.
	(Elf_External_ABIFlags_v0, Elf_Internal_ABIFlags_v0): New structures.
	(AFL_REG_NONE, AFL_REG_32, AFL_REG_64, AFL_REG_128): Define.
	(AFL_ASE_DSP, AFL_ASE_DSPR2, AFL_ASE_EVA, AFL_ASE_MCU): Likewise.
	(AFL_ASE_MDMX, AFL_ASE_MIPS3D, AFL_ASE_MT, AFL_ASE_SMARTMIPS): Likewise.
	(AFL_ASE_VIRT, AFL_ASE_MSA, AFL_ASE_MIPS16): Likewise.
	(AFL_ASE_MICROMIPS, AFL_ASE_XPA): Likewise.
	(AFL_EXT_XLR, AFL_EXT_OCTEON2, AFL_EXT_OCTEONP): Likewise.
	(AFL_EXT_LOONGSON_3A, AFL_EXT_OCTEON, AFL_EXT_5900): Likewise.
	(AFL_EXT_4650, AFL_EXT_4010, AFL_EXT_4100, AFL_EXT_3900): Likewise.
	(AFL_EXT_10000, AFL_EXT_SB1, AFL_EXT_4111, AFL_EXT_4120): Likewise.
	(AFL_EXT_5400, AFL_EXT_5500, AFL_EXT_LOONGSON_2E): Likewise.
	(AFL_EXT_LOONGSON_2F): Likewise.
	(bfd_mips_elf_swap_abiflags_v0_in): Prototype.
	(bfd_mips_elf_swap_abiflags_v0_out): Likewise.
	(bfd_mips_isa_ext): Likewise.

bfd/

	* elfxx-mips.c (ABI_O32_P, MIPS_ELF_ABIFLAGS_SECTION_NAME_P): New macro.
	(mips_elf_obj_tdata): Add abiflags and abiflags_valid fields.
	(bfd_mips_elf_swap_abiflags_v0_in): New function.
	(bfd_mips_elf_swap_abiflags_v0_out): Likewise.
	(_bfd_mips_elf_section_from_shdr): Handle SHT_MIPS_ABIFLAGS.
	(_bfd_mips_elf_fake_sections): Likewise.
	(_bfd_mips_elf_always_size_sections): Handle .MIPS.abiflags.
	(_bfd_mips_elf_additional_program_headers): Account for new
	PT_MIPS_ABIFLAGS program header.
	(_bfd_mips_elf_modify_segment_map): Create PT_MIPS_ABIFLAGS segment and
	associate with .MIPS.abiflags.
	(_bfd_mips_elf_gc_mark_extra_sections): New function.
	(bfd_mips_isa_ext, update_mips_abiflags_isa): New static function.
	(infer_mips_abiflags): Likewise.
	(_bfd_mips_elf_final_link): Handle .MIPS.abiflags.
	(mips_32bit_flags_p): Moved higher.
	(mips_elf_merge_obj_attributes, _bfd_mips_fp_abi_string): Error
	checking for FP ABIs.
	(_bfd_mips_elf_merge_private_bfd_data): Restructure and add abiflags
	checks.  Check EF_MIPS_FP64 flag consistency.
	(print_mips_ases, print_mips_isa_ext): New static function.
	(print_mips_fp_abi_value, get_mips_reg_size): Likewise.
	(_bfd_mips_elf_print_private_bfd_data): Display abiflags data.
	(_bfd_mips_post_process_headers): Set EI_ABIVERSION = 3 for
	Val_GNU_MIPS_ABI_FP_64 or Val_GNU_MIPS_ABI_FP_64A.
	* elfxx-mips.h (_bfd_mips_elf_gc_mark_extra_sections): New prototype.
	* elf32-mips.c (elf_backend_gc_mark_extra_sections): Implement.
	* elfn32-mips.c (elf_backend_gc_mark_extra_sections): Implement.
	* elf64-mips.c (elf_backend_gc_mark_extra_sections): Implement.

binutils/

	* readelf.c (get_mips_segment_type): Display name for PT_MIPS_ABIFLAGS.
	(get_mips_section_type_name): Display name for SHT_MIPS_ABIFLAGS.
	(display_mips_gnu_attribute): Abstracted fp abi printing to...
	(print_mips_fp_abi_value): New static function. Handle new FP ABIs.
	(print_mips_ases, print_mips_isa_ext): New static functions.
	(get_mips_reg_size): Likewise.
	(process_mips_specific): Display abiflags data.

elfcpp/

	* elfcpp.h (PT_MIPS_ABIFLAGS): New program header type.

gas/

	* config/tc-mips.c (mips_flags_frag): New static global.
	(struct mips_set_options): Add oddspreg field.
	(file_mips_opts, mips_opts): Initialize oddspreg.
	(ISA_HAS_ODD_SINGLE_FPR): Add CPU argument and update for R5900 and
	Loongson-3a.
	(enum options, md_longopts, md_parse_option): Add -mfpxx, -modd-spreg
	and -mno-odd-spreg options.
	(md_begin): Create .MIPS.abiflags section.
	(fpabi_incompatible_with, fpabi_requires): New static function.
	(check_fpabi): Likewise.
	(mips_check_options): Handle fp=xx and oddspreg restrictions.
	(file_mips_check_options): Set oddspreg by default for fp=xx.
	(mips_oddfpreg_ok): Re-write function.
	(check_regno): Check odd numbered registers regardless of FPR size.
	For fp != 32 use as_bad instead of as_warn.
	(match_float_constant): Rewrite check regarding FP register width.  Add
	support for generating constants when MXHC1 is present.  Handle fp=xx
	to comply with the ABI.
	(macro): Update M_LI_DD similarly to match_float_constant.  Generate
	MTHC1 when available.  Check that correct code can be generated for
	fp=xx and fp=64 ABIs.
	(parse_code_option, s_mipsset): Add fp=xx, oddspreg and nooddspreg
	options.
	(mips_convert_ase_flags): New static function.
	(mips_elf_final_processing): Use fpabi == Val_GNU_MIPS_ABI_FP_OLD_64
	to determine when to add the EF_MIPS_FP64 flag.  Populate the
	.MIPS.abiflags section.
	(md_mips_end): Update .gnu_attribute based on command line and .module
	as applicable.  Use check_fpabi to ensure .gnu.attribute and command
	line/.module options are consistent.
	* doc/as.texinfo: Add missing -mgp64/-mfp64 options and document new
	-mfpxx, -modd-spreg and -mno-odd-spreg options.
	* doc/c-mips.texi: Document -mfpxx, -modd-spreg, -mno-odd-spreg,
	gnu_attribute values and FP ABIs.

ld/

	* emulparams/elf32bmip.sh: Add .MIPS.abiflags.
	* emulparams/elf32bmipn32-defs.sh: Likewise.
	* emulparams/elf64bmip-defs.sh: Likewise.

opcodes/

	* micromips-opc.c (COD, LCD) New macros.
	(cfc1, ctc1): Remove FP_S attribute.
	(dmfc1, mfc1, mfhc1): Add LCD attribute.
	(dmtc1, mtc1, mthc1): Add COD attribute.
	* mips-opc.c (cfc1, cftc1, ctc, cttc1): Remove FP_S attribute.

binutils/testsuite/

	* binutils-all/readelf.s: Account for .MIPS.abiflags and
	.gnu.attributes.
	* binutils-all/readelf.ss-tmips: Likewise.
	* binutils-all/strip-3.d: Likewise.

gas/testsuite/

	* gas/mips/attr-gnu-4-0.d: New.
	* gas/mips/attr-gnu-4-0.s: Likewise.
	* gas/mips/attr-gnu-4-1-mfp32.l: Likewise.
	* gas/mips/attr-gnu-4-1-mfp32.s: Likewise.
	* gas/mips/attr-gnu-4-1-mfp64.l: Likewise.
	* gas/mips/attr-gnu-4-1-mfp64.s: Likewise.
	* gas/mips/attr-gnu-4-1-mfpxx.s: Likewise.
	* gas/mips/attr-gnu-4-1-msingle-float.l: Likewise.
	* gas/mips/attr-gnu-4-1-msingle-float.s: Likewise.
	* gas/mips/attr-gnu-4-1-msoft-float.l: Likewise.
	* gas/mips/attr-gnu-4-1-msoft-float.s: Likewise.
	* gas/mips/attr-gnu-4-1.d: Likewise.
	* gas/mips/attr-gnu-4-1.s: Likewise.
	* gas/mips/attr-gnu-4-2-mdouble-float.l: Likewise.
	* gas/mips/attr-gnu-4-2-mdouble-float.s: Likewise.
	* gas/mips/attr-gnu-4-2-msoft-float.l: Likewise.
	* gas/mips/attr-gnu-4-2-msoft-float.s: Likewise.
	* gas/mips/attr-gnu-4-2.d: Likewise.
	* gas/mips/attr-gnu-4-2.s: Likewise.
	* gas/mips/attr-gnu-4-3-mhard-float.l: Likewise.
	* gas/mips/attr-gnu-4-3-mhard-float.s: Likewise.
	* gas/mips/attr-gnu-4-3.d: Likewise.
	* gas/mips/attr-gnu-4-3.s: Likewise.
	* gas/mips/attr-gnu-4-4.l: Likewise.
	* gas/mips/attr-gnu-4-4.s: Likewise.
	* gas/mips/attr-gnu-4-5-64.l: Likewise.
	* gas/mips/attr-gnu-4-5-64.s: Likewise.
	* gas/mips/attr-gnu-4-5.d: Likewise.
	* gas/mips/attr-gnu-4-5.l: Likewise.
	* gas/mips/attr-gnu-4-5.s: Likewise.
	* gas/mips/attr-gnu-4-6-64.l: Likewise.
	* gas/mips/attr-gnu-4-6-64.s: Likewise.
	* gas/mips/attr-gnu-4-6.d: Likewise.
	* gas/mips/attr-gnu-4-6.l: Likewise.
	* gas/mips/attr-gnu-4-6.s: Likewise.
	* gas/mips/attr-gnu-4-6-msingle-float.l: Likewise.
	* gas/mips/attr-gnu-4-6-msingle-float.s: Likewise.
	* gas/mips/attr-gnu-4-6-msoft-float.l: Likewise.
	* gas/mips/attr-gnu-4-6-msoft-float.s: Likewise.
	* gas/mips/attr-gnu-4-6-noodd.l: Likewise.
	* gas/mips/attr-gnu-4-6-noodd.s: Likewise.
	* gas/mips/attr-gnu-4-7-64.l: Likewise.
	* gas/mips/attr-gnu-4-7-64.s: Likewise.
	* gas/mips/attr-gnu-4-7-msingle-float.l: Likewise.
	* gas/mips/attr-gnu-4-7-msingle-float.s: Likewise.
	* gas/mips/attr-gnu-4-7-msoft-float.l: Likewise.
	* gas/mips/attr-gnu-4-7-msoft-float.s: Likewise.
	* gas/mips/attr-gnu-4-7-odd.l: Likewise.
	* gas/mips/attr-gnu-4-7-odd.s: Likewise.
	* gas/mips/attr-gnu-4-7.d: Likewise.
	* gas/mips/attr-gnu-4-7.l: Likewise.
	* gas/mips/attr-gnu-4-7.s: Likewise.
	* gas/mips/attr-none-double.d: Likewise.
	* gas/mips/attr-none-o32-fp64.d: Likewise.
	* gas/mips/attr-none-o32-fp64-nooddspreg.d
	* gas/mips/attr-none-o32-fpxx.d: Likewise.
	* gas/mips/attr-none-single-float.d: Likewise.
	* gas/mips/attr-none-soft-float.d: Likewise.
	* gas/mips/elf_arch_mips32r3.d: Likewise.
	* gas/mips/elf_arch_mips32r5.d: Likewise.
	* gas/mips/elf_arch_mips64r3.d: Likewise.
	* gas/mips/elf_arch_mips64r5.d: Likewise.
	* gas/mips/li-d.d: Likewise.
	* gas/mips/li-d.s: Likewise.
	* gas/mips/module-check-warn.l: Likewise.
	* gas/mips/module-check-warn.s: Likewise.
	* gas/mips/module-check.d: Likewise.
	* gas/mips/module-check.s: Likewise.
	* gas/mips/module-mfp32.d: Likewise.
	* gas/mips/module-mfp32.s: Likewise.
	* gas/mips/module-mfp64.d: Likewise.
	* gas/mips/module-mfp64.s: Likewise.
	* gas/mips/module-mfp64-noodd.d: Likewise.
	* gas/mips/module-mfp64-noodd.s: Likewise.
	* gas/mips/module-mfpxx.d: Likewise.
	* gas/mips/module-mfpxx.s: Likewise.
	* gas/mips/module-msingle-float.d: Likewise.
	* gas/mips/module-msingle-float.s: Likewise.
	* gas/mips/module-msoft-float.d: Likewise.
	* gas/mips/module-msoft-float.s: Likewise.
	* gas/mips/module-set-mfpxx.d: Likewise.
	* gas/mips/module-set-mfpxx.s: Likewise.
	* gas/mips/fpxx-oddfpreg.d: Likewise.
	* gas/mips/fpxx-oddfpreg.l: Likewise.
	* gas/mips/fpxx-oddfpreg.s: Likewise.
	* gas/mips/no-odd-spreg.d: Likewise.
	* gas/mips/odd-spreg.d: Likewise.
	* gas/elf/section2.e-mips: Adjust expected output.
	* gas/mips/attr-gnu-abi-fp-1.d: Likewise.
	* gas/mips/attr-gnu-abi-msa-1.d: Likewise.
	* gas/mips/call-nonpic-1.d: Likewise.
	* gas/mips/elf_arch_mips1.d: Likewise.
	* gas/mips/elf_arch_mips2.d: Likewise.
	* gas/mips/elf_arch_mips3.d: Likewise.
	* gas/mips/elf_arch_mips32.d: Likewise.
	* gas/mips/elf_arch_mips32r2.d: Likewise.
	* gas/mips/elf_arch_mips4.d: Likewise.
	* gas/mips/elf_arch_mips5.d: Likewise.
	* gas/mips/elf_arch_mips64.d: Likewise.
	* gas/mips/elf_arch_mips64r2.d: Likewise.
	* gas/mips/elf_ase_micromips-2.d: Likewise.
	* gas/mips/elf_ase_micromips.d: Likewise.
	* gas/mips/elf_ase_mips16-2.d: Likewise.
	* gas/mips/elf_ase_mips16.d: Likewise.
	* gas/mips/module-defer-warn1.d: Likewise.
	* gas/mips/module-override.d: Likewise.
	* gas/mips/n32-consec.d: Likewise.
	* gas/mips/nan-2008-1.d: Likewise.
	* gas/mips/nan-2008-2.d: Likewise.
	* gas/mips/nan-2008-3.d: Likewise.
	* gas/mips/nan-2008-4.d: Likewise.
	* gas/mips/nan-legacy-1.d: Likewise.
	* gas/mips/nan-legacy-2.d: Likewise.
	* gas/mips/nan-legacy-3.d: Likewise.
	* gas/mips/nan-legacy-4.d: Likewise.
	* gas/mips/nan-legacy-5.d: Likewise.
	* gas/mips/tmips16-e.d: Likewise.
	* gas/mips/tmips16-f.d: Likewise.
	* gas/mips/tmipsel16-e.d: Likewise.
	* gas/mips/tmipsel16-f.d: Likewise.
	* gas/testsuite/gas/mips/mips.exp: Add new tests.

ld/testsuite/

	* ld-mips-elf/abiflags-strip1-ph.d: New.
	* ld-mips-elf/abiflags-strip2-ph.d: Likewise.
	* ld-mips-elf/abiflags-strip3-ph.d: Likewise.
	* ld-mips-elf/abiflags-strip4-ph.d: Likewise.
	* ld-mips-elf/abiflags-strip5-ph.d: Likewise.
	* ld-mips-elf/abiflags-strip6-ph.d: Likewise.
	* ld-mips-elf/abiflags-strip7-ph.d: Likewise.
	* ld-mips-elf/abiflags-strip8-ph.d: Likewise.
	* ld-mips-elf/abiflags-strip9-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-0-n32-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-0-n64-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-0-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-06.d: Likewise.
	* ld-mips-elf/attr-gnu-4-07.d: Likewise.
	* ld-mips-elf/attr-gnu-4-08.d: Likewise.
	* ld-mips-elf/attr-gnu-4-1-n32-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-1-n64-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-1-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-16.d: Likewise.
	* ld-mips-elf/attr-gnu-4-17.d: Likewise.
	* ld-mips-elf/attr-gnu-4-18.d: Likewise.
	* ld-mips-elf/attr-gnu-4-2-n32-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-2-n64-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-2-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-26.d: Likewise.
	* ld-mips-elf/attr-gnu-4-27.d: Likewise.
	* ld-mips-elf/attr-gnu-4-28.d: Likewise.
	* ld-mips-elf/attr-gnu-4-3-n32-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-3-n64-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-3-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-36.d: Likewise.
	* ld-mips-elf/attr-gnu-4-37.d: Likewise.
	* ld-mips-elf/attr-gnu-4-38.d: Likewise.
	* ld-mips-elf/attr-gnu-4-4-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-46.d: Likewise.
	* ld-mips-elf/attr-gnu-4-47.d: Likewise.
	* ld-mips-elf/attr-gnu-4-48.d: Likewise.
	* ld-mips-elf/attr-gnu-4-5-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-50.d: Likewise.
	* ld-mips-elf/attr-gnu-4-52.d: Likewise.
	* ld-mips-elf/attr-gnu-4-53.d: Likewise.
	* ld-mips-elf/attr-gnu-4-54.d: Likewise.
	* ld-mips-elf/attr-gnu-4-55.d: Likewise.
	* ld-mips-elf/attr-gnu-4-56.d: Likewise.
	* ld-mips-elf/attr-gnu-4-57.d: Likewise.
	* ld-mips-elf/attr-gnu-4-58.d: Likewise.
	* ld-mips-elf/attr-gnu-4-6-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-6.s: Likewise.
	* ld-mips-elf/attr-gnu-4-60.d: Likewise.
	* ld-mips-elf/attr-gnu-4-61.d: Likewise.
	* ld-mips-elf/attr-gnu-4-62.d: Likewise.
	* ld-mips-elf/attr-gnu-4-63.d: Likewise.
	* ld-mips-elf/attr-gnu-4-64.d: Likewise.
	* ld-mips-elf/attr-gnu-4-65.d: Likewise.
	* ld-mips-elf/attr-gnu-4-66.d: Likewise.
	* ld-mips-elf/attr-gnu-4-67.d: Likewise.
	* ld-mips-elf/attr-gnu-4-68.d: Likewise.
	* ld-mips-elf/attr-gnu-4-7-ph.d: Likewise.
	* ld-mips-elf/attr-gnu-4-7.s: Likewise.
	* ld-mips-elf/attr-gnu-4-70.d: Likewise.
	* ld-mips-elf/attr-gnu-4-71.d: Likewise.
	* ld-mips-elf/attr-gnu-4-72.d: Likewise.
	* ld-mips-elf/attr-gnu-4-73.d: Likewise.
	* ld-mips-elf/attr-gnu-4-74.d: Likewise.
	* ld-mips-elf/attr-gnu-4-75.d: Likewise.
	* ld-mips-elf/attr-gnu-4-76.d: Likewise.
	* ld-mips-elf/attr-gnu-4-77.d: Likewise.
	* ld-mips-elf/attr-gnu-4-78.d: Likewise.
	* ld-mips-elf/attr-gnu-4-8.s: Likewise.
	* ld-mips-elf/attr-gnu-4-81.d: Likewise.
	* ld-mips-elf/empty.s: Likewise.
	* ld-mips-elf/attr-gnu-4-00.d: Adjust expected output.
	* ld-mips-elf/attr-gnu-4-01.d: Likewise.
	* ld-mips-elf/attr-gnu-4-02.d: Likewise.
	* ld-mips-elf/attr-gnu-4-03.d: Likewise.
	* ld-mips-elf/attr-gnu-4-04.d: Likewise.
	* ld-mips-elf/attr-gnu-4-05.d: Likewise.
	* ld-mips-elf/attr-gnu-4-10.d: Likewise.
	* ld-mips-elf/attr-gnu-4-11.d: Likewise.
	* ld-mips-elf/attr-gnu-4-14.d: Likewise.
	* ld-mips-elf/attr-gnu-4-15.d: Likewise.
	* ld-mips-elf/attr-gnu-4-2.s: Likewise.
	* ld-mips-elf/attr-gnu-4-20.d: Likewise.
	* ld-mips-elf/attr-gnu-4-22.d: Likewise.
	* ld-mips-elf/attr-gnu-4-24.d: Likewise.
	* ld-mips-elf/attr-gnu-4-25.d: Likewise.
	* ld-mips-elf/attr-gnu-4-3.s: Likewise.
	* ld-mips-elf/attr-gnu-4-30.d: Likewise.
	* ld-mips-elf/attr-gnu-4-33.d: Likewise.
	* ld-mips-elf/attr-gnu-4-34.d: Likewise.
	* ld-mips-elf/attr-gnu-4-35.d: Likewise.
	* ld-mips-elf/attr-gnu-4-40.d: Likewise.
	* ld-mips-elf/attr-gnu-4-41.d: Likewise.
	* ld-mips-elf/attr-gnu-4-42.d: Likewise.
	* ld-mips-elf/attr-gnu-4-43.d: Likewise.
	* ld-mips-elf/attr-gnu-4-44.d: Likewise.
	* ld-mips-elf/attr-gnu-4-45.d: Likewise.
	* ld-mips-elf/attr-gnu-4-5.s: Likewise.
	* ld-mips-elf/attr-gnu-4-51.d: Likewise.
	* ld-mips-elf/attr-gnu-8-00.d: Likewise.
	* ld-mips-elf/attr-gnu-8-01.d: Likewise.
	* ld-mips-elf/attr-gnu-8-02.d: Likewise.
	* ld-mips-elf/attr-gnu-8-10.d: Likewise.
	* ld-mips-elf/attr-gnu-8-11.d: Likewise.
	* ld-mips-elf/attr-gnu-8-20.d: Likewise.
	* ld-mips-elf/attr-gnu-8-22.d: Likewise.
	* ld-mips-elf/jalx-2.dd: Likewise.
	* ld-mips-elf/mips16-pic-1.gd: Likewise.
	* ld-mips-elf/mips16-pic-2.gd: Likewise.
	* ld-mips-elf/mips16-pic-3.gd: Likewise.
	* ld-mips-elf/mips16-pic-4a.gd: Likewise.
	* ld-mips-elf/multi-got-no-shared.d: Likewise.
	* ld-mips-elf/nan-2008.d: Likewise.
	* ld-mips-elf/nan-legacy.d: Rework test.
	* ld-mips-elf/pic-and-nonpic-3a.gd: Likewise.
	* ld-mips-elf/pic-and-nonpic-3b.gd: Likewise.
	* ld-mips-elf/pic-and-nonpic-5b.gd: Likewise.
	* ld-mips-elf/pic-and-nonpic-6.ld: Likewise.
	* ld-mips-elf/rel32-n32.d: Likewise.
	* ld-mips-elf/rel32-o32.d: Likewise.
	* ld-mips-elf/rel64.d: Likewise.
	* ld-mips-elf/tls-multi-got-1.r: Likewise.
	* ld-elf/group.ld: Discard .MIPS.abiflags and .gnu.attributes.
	* ld-elf/orphan-region.ld: Likewise.
	* ld-elf/orphan.ld: Likewise.
	* ld-mips-elf/compressed-plt-1.ld: Likewise.
	* ld-mips-elf/dyn-sec64.ld: Likewise.
	* ld-mips-elf/got-dump-1.ld: Likewise.
	* ld-mips-elf/got-dump-2.ld: Likewise.
	* ld-mips-elf/got-page-1.ld: Likewise.
	* ld-mips-elf/mips-dyn.ld: Likewise.
	* ld-mips-elf/mips-lib.ld: Likewise.
	* ld-mips-elf/pic-and-nonpic-3a.ld: Likewise.
	* ld-mips-elf/pic-and-nonpic-3b.ld: Likewise.
	* ld-mips-elf/pic-and-nonpic-4b.ld: Likewise.
	* ld-mips-elf/pic-and-nonpic-5b.ld: Likewise.
	* ld-mips-elf/region1.t: Likewise.
	* ld-mips-elf/stub-dynsym-1.ld: Likewise.
	* ld-mips-elf/tls-hidden3.ld: Likewise.
	* ld-mips-elf/vxworks1.ld: Likewise.
	* ld-scripts/overlay-size.t: Likewise.
	* ld-mips-elf/elf-rel-got-n32-embed.d: Remove .MIPS.abiflags from
	objects.
	* ld-mips-elf/elf-rel-got-n32.d: Likewise.
	* ld-mips-elf/elf-rel-got-n64-embed.d: Likewise.
	* ld-mips-elf/elf-rel-got-n64-linux.d: Likewise.
	* ld-mips-elf/elf-rel-got-n64.d: Likewise.
	* ld-mips-elf/elf-rel-xgot-n32.d: Likewise.
	* ld-mips-elf/elf-rel-xgot-n32-embed.d: Likewise.
	* ld-mips-elf/elf-rel-xgot-n64.d: Likewise.
	* ld-mips-elf/elf-rel-xgot-n64-linux.d: Likewise.
	* ld-mips-elf/elf-rel-xgot-n64-embed.d: Likewise.
	* ld-mips-elf/mips-elf.exp: Add new tests.
2014-07-29 11:27:59 +01:00
Richard Sandiford
e68ed250e8 ld/testsuite/
* ld-arm/vxworks1.ld: Swap .bss and .data.
	* ld-arm/vxworks1-lib.rd: Update accordingly.
	* ld-arm/vxworks1-lib.td: New test.
	* ld-arm/arm-elf.exp: Run it.

	* ld-i386/vxworks1.ld: Swap .bss and .data.
	* ld-i386/vxworks1-lib.rd: Update accordingly.
	* ld-i386/vxworks1-lib.td: New test.
	* ld-i386/i386.exp: Run it.

	* ld-mips-elf/vxworks1.ld: Swap .bss and .data.
	* ld-mips-elf/vxworks1-lib.rd: Update accordingly.
	* ld-mips-elf/vxworks1.rd: Likewise.

	* ld-powerpc/vxworks1.ld: Swap .bss and .data.
	* ld-powerpc/vxworks1-lib.rd: Update accordingly.
	* ld-powerpc/vxworks1-lib.td: New test.
	* ld-powerpc/powerpc.exp: Run it.

	* ld-sh/vxworks1.ld: Swap .bss and .data.
	* ld-sh/vxworks1-lib.rd: Update accordingly.
	* ld-sh/vxworks1-lib.td: New test.
	* ld-sh/sh-vxworks.exp: Run it.

	* ld-sparc/vxworks1.ld: Swap .bss and .data.
	* ld-sparc/vxworks1-lib.rd: Update accordingly.
	* ld-sparc/vxworks1-lib.td: New test.
	* ld-sparc/sparc.exp: Run it.
2007-05-15 12:22:34 +00:00
Richard Sandiford
0a44bf6950 Richard Sandiford <richard@codesourcery.com>
Daniel Jacobowitz  <dan@codesourcery.com>
	Phil Edwards  <phil@codesourcery.com>
	Zack Weinberg  <zack@codesourcery.com>
	Mark Mitchell  <mark@codesourcery.com>
	Nathan Sidwell  <nathan@codesourcery.com>

bfd/
	* bfd-in2.h: Regenerate.
	* config.bfd (mips*-*-vxworks*, mips*el-*-vxworks*): New stanzas.
	* configure.in (bfd_elf32_bigmips_vxworks_vec): New stanza.
	(bfd_elf32_littlemips_vxworks_vec): Likewise.
	(bfd_elf32_bigmips_vec): Add elf-vxworks.lo.
	(bfd_elf32_littlemips_vec): Likewise.
	(bfd_elf32_nbigmips_vec): Likewise.
	(bfd_elf32_nlittlemips_vec): Likewise.
	(bfd_elf32_ntradbigmips_vec): Likewise.
	(bfd_elf32_ntradlittlemips_vec): Likewise.
	(bfd_elf32_tradbigmips_vec): Likewise.
	(bfd_elf32_tradlittlemips_vec): Likewise.
	(bfd_elf64_bigmips_vec): Likewise.
	(bfd_elf64_littlemips_vec): Likewise.
	(bfd_elf64_tradbigmips_vec): Likewise.
	(bfd_elf64_tradlittlemips_vec): Likewise.
	* elf32-mips.c: Include elf-vxworks.h.
	(mips_info_to_howto_rel): Use elf_backend_mips_rtype_to_howto
	instead of calling mips_elf32_rtype_to_howto directly.
	(mips_vxworks_copy_howto_rela): New reloc howto.
	(mips_vxworks_jump_slot_howto_rela): Likewise.
	(mips_vxworks_bfd_reloc_type_lookup): New function.
	(mips_vxworks_rtype_to_howto): Likewise.
	(mips_vxworks_final_write_processing): Likewise.
	(TARGET_LITTLE_SYM, TARGET_LITTLE_NAME): Override for VxWorks.
	(TARGET_BIG_SYM, TARGET_BIG_NAME, elf_bed, ELF_MAXPAGESIZE): Likewise.
	(elf_backend_want_got_plt): Likewise.
	(elf_backend_want_plt_sym): Likewise.
	(elf_backend_got_symbol_offset): Likewise.
	(elf_backend_want_dynbss): Likewise.
	(elf_backend_may_use_rel_p): Likewise.
	(elf_backend_may_use_rela_p): Likewise.
	(elf_backend_default_use_rela_p): Likewise.
	(elf_backend_got_header_size: Likewise.
	(elf_backend_plt_readonly): Likewise.
	(bfd_elf32_bfd_reloc_type_lookup): Likewise.
	(elf_backend_mips_rtype_to_howto): Likewise.
	(elf_backend_adjust_dynamic_symbol): Likewise.
	(elf_backend_finish_dynamic_symbol): Likewise.
	(bfd_elf32_bfd_link_hash_table_create): Likewise.
	(elf_backend_add_symbol_hook): Likewise.
	(elf_backend_link_output_symbol_hook): Likewise.
	(elf_backend_emit_relocs): Likewise.
	(elf_backend_final_write_processing: Likewise.
	(elf_backend_additional_program_headers): Likewise.
	(elf_backend_modify_segment_map): Likewise.
	(elf_backend_symbol_processing): Likewise.
	* elfxx-mips.c: Include elf-vxworks.h.
	(mips_elf_link_hash_entry): Add is_relocation_target and
	is_branch_target fields.
	(mips_elf_link_hash_table): Add is_vxworks, srelbss, sdynbss, srelplt,
	srelplt2, sgotplt, splt, plt_header_size and plt_entry_size fields.
	(MIPS_ELF_RELA_SIZE, MIPS_ELF_REL_DYN_NAME): New macros.
	(MIPS_RESERVED_GOTNO): Take a mips_elf_link_hash_table argument.
	Return 3 for VxWorks.
	(ELF_MIPS_GP_OFFSET): Change the argument from a bfd to a
	mips_elf_link_hash_table.  Return 0 for VxWorks.
	(MIPS_ELF_GOT_MAX_SIZE): Change the argument from a bfd to a
	mips_elf_link_hash_table.  Update the call to ELF_MIPS_GP_OFFSET.
	(mips_vxworks_exec_plt0_entry): New variable.
	(mips_vxworks_exec_plt_entry): Likewise.
	(mips_vxworks_shared_plt0_entry): Likewise.
	(mips_vxworks_shared_plt_entry): Likewise.
	(mips_elf_link_hash_newfunc): Initialize the new hash_entry fields.
	(mips_elf_rel_dyn_section): Change the bfd argument to a
	mips_elf_link_hash_table.  Use MIPS_ELF_REL_DYN_NAME to get
	the name of the section.
	(mips_elf_initialize_tls_slots): Update the call to
	mips_elf_rel_dyn_section.
	(mips_elf_gotplt_index): New function.
	(mips_elf_local_got_index): Add an input_section argument.
	Update the call to mips_elf_create_local_got_entry.
	(mips_elf_got_page): Likewise.
	(mips_elf_got16_entry): Likewise.
	(mips_elf_create_local_got_entry): Add bfd_link_info and input_section
	arguments.  Create dynamic relocations for each entry on VxWorks.
	(mips_elf_merge_gots): Update the use of MIPS_ELF_GOT_MAX_SIZE.
	(mips_elf_multi_got): Update the uses of MIPS_ELF_GOT_MAX_SIZE
	and MIPS_RESERVED_GOTNO.
	(mips_elf_create_got_section): Update the uses of
	MIPS_ELF_GOT_MAX_SIZE.  Create .got.plt on VxWorks.
	(is_gott_symbol): New function.
	(mips_elf_calculate_relocation): Use a dynobj local variable.
	Update the calls to mips_elf_local_got_index, mips_elf_got16_entry and
	mips_elf_got_page_entry.  Set G to the .got.plt entry when calculating
	VxWorks R_MIPS_CALL* relocations.  Calculate and use G for all GOT
	relocations on VxWorks.  Add dynamic relocations for references
	to the VxWorks __GOTT_BASE__ and __GOTT_INDEX__ symbols.  Don't
	create dynamic relocations for R_MIPS_32, R_MIPS_REL32 or R_MIPS_64
	in VxWorks executables.
	(mips_elf_allocate_dynamic_relocations): Add a bfd_link_info argument.
	Use MIPS_ELF_RELA_SIZE to calculate the size of a VxWorks entry.
	Don't allocate a null entry on VxWorks.
	(mips_elf_create_dynamic_relocation): Update the call to
	mips_elf_rel_dyn_section.  Use absolute rather than relative
	relocations for VxWorks, and make them RELA rather than REL.
	(_bfd_mips_elf_create_dynamic_sections): Don't make .dynamic
	read-only on VxWorks.  Update the call to mips_elf_rel_dyn_section.
	Create the .plt, .rela.plt, .dynbss and .rela.bss sections on
	VxWorks.  Likewise create the _PROCEDURE_LINKAGE_TABLE symbol.
	Call elf_vxworks_create_dynamic_sections for VxWorks and
	initialize the plt_header_size and plt_entry_size fields.
	(_bfd_mips_elf_check_relocs): Don't allow GOT relocations to be
	used in VxWorks executables.  Don't allocate dynamic relocations
	for R_MIPS_32, R_MIPS_REL32 or R_MIPS_64 in VxWorks executables.
	Set is_relocation_target for each symbol referenced by a relocation.
	Allocate .rela.dyn entries for relocations against the special
	VxWorks __GOTT_BASE__ and __GOTT_INDEX__ symbols.  Create GOT
	entries for all VxWorks R_MIPS_GOT16 relocations.  Don't allocate
	a global GOT entry for symbols mentioned in VxWorks R_MIPS_CALL*,
	R_MIPS_32, R_MIPS_REL32 or R_MIPS_64 relocations.  Update the calls
	to mips_elf_rel_dyn_section and mips_elf_allocate_dynamic_relocations.
	Set is_branch_target for symbols mentioned in R_MIPS_PC16 or R_MIPS_26
	relocations.  Don't set no_fn_stub on VxWorks.
	(_bfd_mips_elf_adjust_dynamic_symbol): Update the call to
	mips_elf_allocate_dynamic_relocations.
	(_bfd_mips_vxworks_adjust_dynamic_symbol): New function.
	(_bfd_mips_elf_always_size_sections): Do not allocate GOT page
	entries for VxWorks, and do not create multiple GOTs.
	(_bfd_mips_elf_size_dynamic_sections): Use MIPS_ELF_REL_DYN_NAME.
	Handle .got specially for VxWorks.  Update the uses of
	MIPS_RESERVED_GOTNO and mips_elf_allocate_dynamic_relocations.
	Check for sgotplt and splt.  Allocate the .rel(a).dyn contents last,
	once its final size is known.  Set DF_TEXTREL for VxWorks.  Add
	DT_RELA, DT_RELASZ, DT_RELAENT, DT_PLTREL, DT_PLTRELSZ and DT_JMPREL
	tags on VxWorks.  Do not add the MIPS-specific tags for VxWorks.
	(_bfd_mips_vxworks_finish_dynamic_symbol): New function.
	(mips_vxworks_finish_exec_plt): Likewise.
	(mips_vxworks_finish_shared_plt): Likewise.
	(_bfd_mips_elf_finish_dynamic_sections): Remove an unncessary call
	to mips_elf_rel_dyn_section.  Use a VxWorks-specific value of
	DT_PLTGOT.  Handle DT_RELA, DT_RELASZ, DT_RELAENT, DT_PLTREL,
	DT_PLTRELSZ and DT_JMPREL.  Update the uses of MIPS_RESERVED_GOTNO
	and mips_elf_rel_dyn_section.  Use a different GOT header for
	VxWorks.  Don't sort .rela.dyn on VxWorks.  Finish the PLT on VxWorks.
	(_bfd_mips_elf_link_hash_table_create): Initialize the new
	mips_elf_link_hash_table fields.
	(_bfd_mips_vxworks_link_hash_table_create): New function.
	(_bfd_mips_elf_final_link): Set the GP value to _GLOBAL_OFFSET_TABLE_
	on VxWorks.  Update the call to ELF_MIPS_GP_OFFSET.
	* elfxx-mips.h (_bfd_mips_vxworks_adjust_dynamic_symbol): Declare.
	(_bfd_mips_vxworks_finish_dynamic_symbol): Likewise.
	(_bfd_mips_vxworks_link_hash_table_create): Likewise.
	* libbfd.h: Regenerate.
	* Makefile.am (elfxx-mips.lo): Depend on elf-vxworks.h.
	(elf32-mips.lo): Likewise.
	* Makefile.in: Regenerate.
	* reloc.c (BFD_RELOC_MIPS_COPY, BFD_RELOC_MIPS_JUMP_SLOT): Declare.
	* targets.c (bfd_elf32_bigmips_vxworks_vec): Declare.
	(bfd_elf32_littlemips_vxworks_vec): Likewise.
	(_bfd_target_vector): Add entries for them.

gas/
	* config/tc-mips.c (mips_target_format): Handle vxworks targets.
	(md_begin): Complain about -G being used for PIC.  Don't change
	the text, data and bss alignments on VxWorks.
	(reloc_needs_lo_p): Don't return true for R_MIPS_GOT16 when
	generating VxWorks PIC.
	(load_address): Extend SVR4_PIC handling to VXWORKS_PIC.
	(macro): Likewise, but do not treat la $25 specially for
	VxWorks PIC, and do not handle jal.
	(OPTION_MVXWORKS_PIC): New macro.
	(md_longopts): Add -mvxworks-pic.
	(md_parse_option): Don't complain about using PIC and -G together here.
	Handle OPTION_MVXWORKS_PIC.
	(md_estimate_size_before_relax): Always use the first relaxation
	sequence on VxWorks.
	* config/tc-mips.h (VXWORKS_PIC): New.

gas/testsuite/
	* gas/mips/vxworks1.s, gas/mips/vxworks1.d,
	* gas/mips/vxworks1-xgot.d: New tests.
	* gas/mips/mips.exp: Run them.  Do not run other tests on VxWorks.

include/elf/
	* mips.h (R_MIPS_COPY, R_MIPS_JUMP_SLOT): New relocs.

ld/
	* configure.tgt (mips*el-*-vxworks*, mips*-*-vxworks*): Use
	separate VxWorks emulations.
	* emulparams/elf32ebmipvxworks.sh: New file.
	* emulparams/elf32elmipvxworks.sh: New file.
	* Makefile.am (ALL_EMULATIONS): Add eelf32ebmipvxworks.o and
	eelf32elmipvxworks.o.
	(eelf32ebmipvxworks.c, eelf32elmipvxworks.c): New rules.
	* Makefile.in: Regenerate.

ld/testsuite/
	* ld-mips/vxworks1.dd, ld-mips/vxworks1.ld, ld-mips/vxworks1-lib.dd,
	* ld-mips/vxworks1-lib.nd, ld-mips/vxworks1-lib.rd,
	* ld-mips/vxworks1-lib.s, ld-mips/vxworks1.rd, ld-mips/vxworks1.s,
	* ld-mips/vxworks1-static.d, ld-mips/vxworks2.s, ld-mips/vxworks2.sd,
	* ld-mips/vxworks2-static.sd: New tests.
	* ld-mips/mips-elf.exp: Run them.
2006-03-22 09:28:15 +00:00