mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
188bc85476
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. |
||
Maciej W. Rozycki
|
889acb80ac |
* ld-mips-elf/dyn-sec64.ld: Use HIDDEN to define _gp.
* ld-mips-elf/eh-frame5.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/mips16-pic-1.ld: Likewise. * ld-mips-elf/no-shared-1.ld: Likewise. * ld-mips-elf/pic-and-nonpic-1.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/pic-and-nonpic-6.ld: Likewise. * ld-mips-elf/reloc-2.ld: Likewise. * ld-mips-elf/reloc-estimate-1.ld: Likewise. * ld-mips-elf/stub-dynsym-1.ld: Likewise. * ld-mips-elf/tls-hidden3.ld: Likewise. * ld-mips-elf/mips16-pic-2.ad: Update accordingly. * ld-mips-elf/pic-and-nonpic-3b.ad: Likewise. * ld-mips-elf/pic-and-nonpic-4b.ad: Likewise. * ld-mips-elf/pic-and-nonpic-5b.ad: Likewise. * ld-mips-elf/pic-and-nonpic-6-n32.ad: Likewise. * ld-mips-elf/pic-and-nonpic-6-n64.ad: Likewise. * ld-mips-elf/pic-and-nonpic-6-o32.ad: Likewise. * ld-mips-elf/eh-frame5.d: Likewise. * ld-mips-elf/tlsdyn-o32-1.d: Likewise. * ld-mips-elf/tlsdyn-o32-2.d: Likewise. * ld-mips-elf/tlsdyn-o32-3.d: Likewise. * ld-mips-elf/tlsdyn-o32.d: Likewise. * ld-mips-elf/pic-and-nonpic-3a.dd: Likewise. * ld-mips-elf/pic-and-nonpic-3b.dd: Likewise. * ld-mips-elf/pic-and-nonpic-6-n32.dd: Likewise. * ld-mips-elf/pic-and-nonpic-6-n64.dd: Likewise. * ld-mips-elf/pic-and-nonpic-6-o32.dd: Likewise. * ld-mips-elf/tls-multi-got-1.got: Likewise. * ld-mips-elf/tlsdyn-o32-1.got: Likewise. * ld-mips-elf/tlsdyn-o32-2.got: Likewise. * ld-mips-elf/tlsdyn-o32-3.got: Likewise. * ld-mips-elf/tlsdyn-o32.got: Likewise. * ld-mips-elf/tlslib-o32-ver.got: Likewise. * ld-mips-elf/tlslib-o32.got: Likewise. * ld-mips-elf/mips16-pic-2.nd: Likewise. * ld-mips-elf/pic-and-nonpic-1.nd: Likewise. * ld-mips-elf/pic-and-nonpic-3b.nd: Likewise. * ld-mips-elf/pic-and-nonpic-4b.nd: Likewise. * ld-mips-elf/pic-and-nonpic-5b.nd: Likewise. * ld-mips-elf/pic-and-nonpic-6-n32.nd: Likewise. * ld-mips-elf/pic-and-nonpic-6-n64.nd: Likewise. * ld-mips-elf/pic-and-nonpic-6-o32.nd: Likewise. * ld-mips-elf/tls-multi-got-1.r: Likewise. * ld-mips-elf/pic-and-nonpic-3b.rd: Likewise. * ld-mips-elf/pic-and-nonpic-4b.rd: Likewise. * ld-mips-elf/mips-elf.exp: Likewise. |
||
Daniel Jacobowitz
|
861fb55ab5 |
2008-08-08 Richard Sandiford <rdsandiford@googlemail.com>
Daniel Jacobowitz <dan@codesourcery.com> Catherine Moore <clm@codesourcery.com> Mark Shinwell <shinwell@codesourcery.com> Maxim Kuvyrkov <maxim@codesourcery.com> * elf32-mips.c (mips_vxworks_copy_howto_rela): Replace with... (elf_mips_copy_howto): ...this howto. Clear the size fields. (mips_vxworks_jump_slot_howto_rela): Replace with... (elf_mips_jump_slot_howto): ...this howto. (bfd_elf32_bfd_reloc_type_lookup): Handle BFD_RELOC_MIPS_COPY and BFD_RELOC_MIPS_JUMP_SLOT. (bfd_elf32_bfd_reloc_name_lookup): Handle "R_MIPS_COPY" and "R_MIPS_JUMP_SLOT". (mips_elf32_rtype_to_howto): Handle R_MIPS_COPY and R_MIPS_JUMP_SLOT. (elf_backend_plt_readonly): Define. (elf_backend_plt_sym_val): Define for non-VxWorks targets. (mips_vxworks_bfd_reloc_type_lookup): Delete. (mips_vxworks_bfd_reloc_name_lookup): Likewise. (mips_vxworks_rtype_to_howto): Likewise. (elf_backend_want_dynbss): Don't define for VxWorks. (elf_backend_plt_readonly): Likewise. (bfd_elf32_bfd_reloc_type_lookup): Likewise. (bfd_elf32_bfd_reloc_name_lookup): Likewise. (elf_backend_mips_rtype_to_howto): Likewise. (elf_backend_adjust_dynamic_symbol): Likewise. (elf_backend_got_symbol_offset): Don't define. * elfn32-mips.c (elf_mips_copy_howto, elf_mips_jump_slot_howto): New. (bfd_elf32_bfd_reloc_type_lookup): Handle BFD_RELOC_MIPS_COPY and BFD_RELOC_MIPS_JUMP_SLOT. (bfd_elf32_bfd_reloc_name_lookup): Handle "R_MIPS_COPY" and "R_MIPS_JUMP_SLOT". (mips_elf32_n32_rtype_to_howto): Handle R_MIPS_COPY and R_MIPS_JUMP_SLOT. (elf_backend_rela_plts_and_copies_p, elf_backend_plt_readonly) (elf_backend_plt_sym_val): Define. * elf64-mips.c (elf_mips_copy_howto, elf_mips_jump_slot_howto): New. (bfd_elf64_bfd_reloc_type_lookup): Handle BFD_RELOC_MIPS_COPY and BFD_RELOC_MIPS_JUMP_SLOT. (bfd_elf64_bfd_reloc_name_lookup): Handle "R_MIPS_COPY" and "R_MIPS_JUMP_SLOT". (mips_elf64_rtype_to_howto): Handle R_MIPS_COPY and R_MIPS_JUMP_SLOT. (elf_backend_rela_plts_and_copies_p, elf_backend_plt_readonly) (elf_backend_plt_sym_val): Define. * elfxx-mips.h (_bfd_mips_vxworks_adjust_dynamic_symbol): Delete. (_bfd_mips_elf_use_plts_and_copy_relocs, _bfd_mips_elf_init_stubs) (_bfd_mips_elf_plt_sym_val, _bfd_mips_post_process_headers): Declare. * elfxx-mips.c (mips_elf_la25_stub): New structure. (LA25_LUI, LA25_J, LA25_ADDIU): New macros. (mips_elf_link_hash_entry): Add "la25_stubs", "has_static_relocs" and "has_nonpic_branches" fields. Remove "is_relocation_target" and "is_branch_target". (mips_elf_link_hash_table): Add blank lines. Add "use_plts_and_copy_relocs", "reserved_gotno", "strampoline", "la25_stubs" and "add_stub_section" fields. (mips_htab_traverse_info): New structure. (PIC_OBJECT_P, MIPS_ELF_LOAD_WORD): New macros. (MIPS_RESERVED_GOTNO): Delete. (mips_o32_exec_plt0_entry, mips_n32_exec_plt0_entry) (mips_n64_exec_plt0_entry, mips_exec_plt_entry): New tables. (mips_elf_link_hash_newfunc): Update after the changes to mips_elf_link_hash_entry. (mips_elf_check_mips16_stubs): Replace the DATA parameter with an INFO parameter. Don't look through warnings symbols here; do it in mips_elf_check_symbols instead. (mips_elf_create_stub_symbol): New function. (mips_elf_la25_stub_hash, mips_elf_la25_stub_eq): New functions. (_bfd_mips_elf_init_stubs, mips_elf_local_pic_function_p): Likewise. (mips_elf_add_la25_intro, mips_elf_add_la25_trampoline): Likewise. (mips_elf_add_la25_stub, mips_elf_check_symbols): New functions. (mips_elf_gotplt_index): Check for VxWorks. (mips_elf_output_dynamic_relocation): Take the relocation index as an extra parameter. Do not increment reloc_count here. (mips_elf_initialize_tls_slots): Update the calls to mips_elf_output_dynamic_relocation accordingly. (mips_elf_multi_got): Use htab->reserved_gotno instead of MIPS_RESERVED_GOTNO. (mips_elf_create_got_section): Don't allocate reserved GOT entries here. Unconditionally create .got.plt, but don't set its alignment here. (mips_elf_relocation_needs_la25_stub): New function. (mips_elf_calculate_relocation): Redirect branches and jumps to a non-PIC stub if one exists. Check !h->has_static_relocs instead of !htab->is_vxworks when deciding whether to create dynamic relocations for R_MIPS_32, R_MIPS_REL32 and R_MIPS_64. (_bfd_mips_elf_create_dynamic_sections): Unconditionally call _bfd_elf_create_dynamic_sections. Unconditionally set up htab->splt and htab->sdynbss. Set htab->srelplt to ".rel.plt" if !htab->is_vxworks. Add non-VxWorks values of htab->plt_header_size and htab->plt_entry_size. (_bfd_mips_elf_check_relocs): Set pointer_equality_needed for non-branch static relocations. Set has_nonpic_branches when an la25 stub might be required. Set can_make_dynamic_p to TRUE if R_MIPS_32, R_MIPS_REL32 and R_MIPS_64 relocations can be made dynamic, rather than duplicating the condition. Do not make them dynamic for read-only sections in non-PIC executable objects. Do not protect this code with dynobj == NULL || htab->sgot == NULL; handle each group of cases separately. Add a default case that sets has_static_relocs for non-GOT relocations that cannot be made dynamic. Don't set is_relocation_target and is_branch_target. Reject non-PIC static relocations in shared objects. (_bfd_mips_vxworks_adjust_dynamic_symbol): Fold into... (_bfd_mips_elf_adjust_dynamic_symbol): ...here, using htab->use_plts_and_copy_relocs instead of htab->is_vxworks to select PLT and copy-reloc handling. Set the alignment of .plt and .got.plt when allocating the first entry. Generalize code to handle REL as well as RELA sections and 64-bit as well as 32-bit GOT entries. Complain if we find a static-only reloc against an externally-defined symbol and if we cannot create dynamic relocations for it. Allocate copy relocs using mips_elf_allocate_dynamic_relocations on non-VxWorks targets. Set possibly_dynamic_relocs to 0 when using PLTs or copy relocs. Skip reserved .got.plt entries. (_bfd_mips_elf_always_size_sections): Use mips_elf_check_symbols instead of mips_elf_check_mips16_stubs to process each symbol. Do the traversal for relocatable objects too. (mips_elf_lay_out_got): Use htab->reserved_gotno instead of MIPS_RESERVED_GOTNO. (_bfd_mips_elf_size_dynamic_sections): Exclude sdynbss if it is empty. Extend the DT_PLTREL, DT_JMPREL and DT_PLTRELSZ handling to non-VxWorks targets. Only add DT_REL{,A}, DT_REL{,A}SZ and DT_REL{,A}ENT if .rel.dyn is nonempty. Create a symbol for the PLT. Allocate a nop at the end of the PLT. Allocate DT_MIPS_PLTGOT. (mips_elf_create_la25_stub_info): New function. (_bfd_mips_elf_finish_dynamic_symbol): Write out PLT entries and copy relocs where necessary. Check pointer_equality_needed. (mips_finish_exec_plt): New function. (_bfd_mips_elf_finish_dynamic_sections): Always set DT_PLTGOT to the beginning of htab->sgot. Use htab->reserved_gotno instead of MIPS_RESERVED_GOTNO. Assert htab->use_plts_and_copy_relocs instead of htab->is_vxworks for DT_PLTREL, DT_PLTRELSZ and DT_JMPREL. Set DT_PLTREL to DT_REL instead of DT_RELA on non-VxWorks targets. Use mips_finish_exec_plt to create non-VxWorks PLT headers. Set DT_MIPS_PLTGOT. (_bfd_mips_elf_copy_indirect_symbol): Copy has_static_relocs from the indirect symbol to the direct symbol. Also copy has_nonpic_branches for indirect symbols. (_bfd_mips_elf_get_target_dtag): Handle DT_MIPS_PLTGOT and DT_MIPS_RWPLT. (_bfd_mips_elf_link_hash_table_create): Initialize the new mips_elf_link_hash_table fields. (_bfd_mips_vxworks_link_hash_table_create): Set use_plts_and_copy_relocs to TRUE. Use TRUE rather than 1 when setting is_vxworks. (_bfd_mips_elf_use_plts_and_copy_relocs): New function. (_bfd_mips_elf_final_link): Call mips_elf_create_la25_stub for each la25_stub. (_bfd_mips_elf_merge_private_bfd_data): Treat dynamic objects as PIC. Generalize message about linking PIC and non-PIC. (_bfd_mips_elf_plt_sym_val, _bfd_mips_post_process_headers): New functions. * reloc.c: Update comment near BFD_RELOC_MIPS_JUMP_SLOT. * bfd-in2.h: Regenerated. 2008-08-08 Richard Sandiford <rdsandiford@googlemail.com> Daniel Jacobowitz <dan@codesourcery.com> Catherine Moore <clm@codesourcery.com> Mark Shinwell <shinwell@codesourcery.com> * readelf.c (get_mips_symbol_other): Handle STO_MIPS_PLT and STO_MIPS_PIC. (slurp_rela_relocs, slurp_rel_relocs): Handle MIPS ELF64 here. (dump_relocations, debug_apply_relocations): Don't handle it here. (get_mips_dynamic_type): Handle DT_MIPS_PLTGOT and DT_MIPS_RWPLT. (print_mips_pltgot_entry): New function. (process_mips_specific): Dump the PLT GOT. 2008-08-08 Richard Sandiford <rdsandiford@googlemail.com> Daniel Jacobowitz <dan@codesourcery.com> * config/tc-mips.c (OPTION_CALL_NONPIC): New macro. (OPTION_NON_SHARED, OPTION_XGOT, OPTION_MABI, OPTION_32) (OPTION_N32, OPTION_64, OPTION_MDEBUG, OPTION_NO_MDEBUG) (OPTION_PDR, OPTION_NO_PDR, OPTION_MVXWORKS_PIC): Bump by 1. (md_longopts): Add -call_nonpic. (md_parse_option): Handle OPTION_CALL_NONPIC. (md_show_usage): Add -call_nonpic. 2008-08-08 Richard Sandiford <rdsandiford@googlemail.com> * gas/mips/call-nonpic-1.s, gas/mips/call-nonpic-1.d: New test. * gas/mips/mips.exp: Run it. 2008-08-08 Richard Sandiford <rdsandiford@googlemail.com> Daniel Jacobowitz <dan@codesourcery.com> Catherine Moore <clm@codesourcery.com> Mark Shinwell <shinwell@codesourcery.com> * mips.h (STO_MIPS_PLT, ELF_ST_IS_MIPS_PLT, ELF_ST_SET_MIPS_PLT) (STO_MIPS_PIC, DT_MIPS_PLTGOT, DT_MIPS_RWPLT): New macros. 2008-08-08 Richard Sandiford <rdsandiford@googlemail.com> Daniel Jacobowitz <dan@codesourcery.com> * emulparams/elf32bmip.sh (GOT): Define, moving .got.plt to... (OTHER_RELRO_SECTIONS, OTHER_READWRITE_SECTIONS): ...one of these two variables. * emulparams/elf32bmipn32-defs.sh: Likewise. * emultempl/mipself.em: Include ldctor.h, elf/mips.h and elfxx-mips.h. (is_mips_elf): New macro. (stub_file, stub_bfd): New variables. (hook_stub_info): New structure. (hook_in_stub): New function. (mips_add_stub_section): Likewise. (mips_create_output_section_statements): Likewise. (mips_before_allocation): Likewise. (real_func): New variable. (mips_for_each_input_file_wrapper): New function. (mips_lang_for_each_input_file): Likewise. (lang_for_each_input_file): Define. (LDEMUL_BEFORE_ALLOCATION): Likewise. (LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS): Likewise. 2008-08-08 Richard Sandiford <rdsandiford@googlemail.com> Daniel Jacobowitz <dan@codesourcery.com> * ld-mips-elf/mips16-pic-3a.s, ld-mips-elf/mips16-pic-3b.s, ld-mips-elf/mips16-pic-3.dd, ld-mips-elf/mips16-pic-3.gd, ld-mips-elf/mips16-pic-3.rd, ld-mips-elf/mips16-pic-3.inc, ld-mips-elf/pic-and-nonpic-1a.s, ld-mips-elf/pic-and-nonpic-1b.s, ld-mips-elf/pic-and-nonpic-1.ld, ld-mips-elf/pic-and-nonpic-1.dd, ld-mips-elf/pic-and-nonpic-1.nd, ld-mips-elf/pic-and-nonpic-1-rel.dd, ld-mips-elf/pic-and-nonpic-1-rel.nd, ld-mips-elf/pic-and-nonpic-2a.s, ld-mips-elf/pic-and-nonpic-2b.s, ld-mips-elf/pic-and-nonpic-2.d, ld-mips-elf/pic-and-nonpic-3a.s, ld-mips-elf/pic-and-nonpic-3a.ld, ld-mips-elf/pic-and-nonpic-3a.dd, ld-mips-elf/pic-and-nonpic-3a.gd, ld-mips-elf/pic-and-nonpic-3a.sd, ld-mips-elf/pic-and-nonpic-3b.s, ld-mips-elf/pic-and-nonpic-3b.ld, ld-mips-elf/pic-and-nonpic-3b.ad, ld-mips-elf/pic-and-nonpic-3b.dd, ld-mips-elf/pic-and-nonpic-3b.gd, ld-mips-elf/pic-and-nonpic-3b.nd, ld-mips-elf/pic-and-nonpic-3b.pd, ld-mips-elf/pic-and-nonpic-3b.rd, ld-mips-elf/pic-and-nonpic-3b.sd, ld-mips-elf/pic-and-nonpic-3-error.d, ld-mips-elf/pic-and-nonpic-4a.s, ld-mips-elf/pic-and-nonpic-4b.s, ld-mips-elf/pic-and-nonpic-4b.ld, ld-mips-elf/pic-and-nonpic-4b.ad, ld-mips-elf/pic-and-nonpic-4b.dd, ld-mips-elf/pic-and-nonpic-4b.gd, ld-mips-elf/pic-and-nonpic-4b.nd, ld-mips-elf/pic-and-nonpic-4b.rd, ld-mips-elf/pic-and-nonpic-4b.sd, ld-mips-elf/pic-and-nonpic-4-error.d, ld-mips-elf/pic-and-nonpic-5a.s, ld-mips-elf/pic-and-nonpic-5b.s, ld-mips-elf/pic-and-nonpic-5b.ld, ld-mips-elf/pic-and-nonpic-5b.ad, ld-mips-elf/pic-and-nonpic-5b.dd, ld-mips-elf/pic-and-nonpic-5b.gd, ld-mips-elf/pic-and-nonpic-5b.nd, ld-mips-elf/pic-and-nonpic-5b.rd, ld-mips-elf/pic-and-nonpic-5b.sd, ld-mips-elf/pic-and-nonpic-5b.pd, ld-mips-elf/pic-and-nonpic-6.ld, ld-mips-elf/pic-and-nonpic-6-o32a.s, ld-mips-elf/pic-and-nonpic-6-o32b.s, ld-mips-elf/pic-and-nonpic-6-o32c.s, ld-mips-elf/pic-and-nonpic-6-o32.ad, ld-mips-elf/pic-and-nonpic-6-o32.dd, ld-mips-elf/pic-and-nonpic-6-o32.gd, ld-mips-elf/pic-and-nonpic-6-o32.nd, ld-mips-elf/pic-and-nonpic-6-o32.pd, ld-mips-elf/pic-and-nonpic-6-o32.rd, ld-mips-elf/pic-and-nonpic-6-o32.sd, ld-mips-elf/pic-and-nonpic-6-n32a.s, ld-mips-elf/pic-and-nonpic-6-n32b.s, ld-mips-elf/pic-and-nonpic-6-n32c.s, ld-mips-elf/pic-and-nonpic-6-n32.ad, ld-mips-elf/pic-and-nonpic-6-n32.dd, ld-mips-elf/pic-and-nonpic-6-n32.gd, ld-mips-elf/pic-and-nonpic-6-n32.nd, ld-mips-elf/pic-and-nonpic-6-n32.pd, ld-mips-elf/pic-and-nonpic-6-n32.rd, ld-mips-elf/pic-and-nonpic-6-n32.sd, ld-mips-elf/pic-and-nonpic-6-n64a.s, ld-mips-elf/pic-and-nonpic-6-n64b.s, ld-mips-elf/pic-and-nonpic-6-n64c.s, ld-mips-elf/pic-and-nonpic-6-n64.ad, ld-mips-elf/pic-and-nonpic-6-n64.dd, ld-mips-elf/pic-and-nonpic-6-n64.gd, ld-mips-elf/pic-and-nonpic-6-n64.nd, ld-mips-elf/pic-and-nonpic-6-n64.pd, ld-mips-elf/pic-and-nonpic-6-n64.rd, ld-mips-elf/pic-and-nonpic-6-n64.sd: New tests. * ld-mips-elf/mips-elf.exp: Run them. |