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2025-08-16Make bfd_check_format better respect given targetAlan Modra1-1/+1
bfd_check_format currently does not take much notice of the target set in its abfd arg, merely checking that target first if target_defaulted is false. As the comment says this was due to complications with archive handling which I think was fixed in commit f832531609d0. It should now be possible to just check the given target, except for linker input files. This will speed checking the target of the first file in archives, which is done in the process of matching archive targets. This will no doubt expose some misuse of target options, as found in the binutils "efi app" tests. The stricter checking also exposed some errors. Cris targets gave "FAIL: objcopy decompress debug sections in archive (reason: unexpected output)" "FAIL: objcopy decompress debug sections in archive with zlib-gabi (reason: unexpected output)" without the bfd_generic_archive_p fix. cris has a default target of cris-aout which doesn't match objects for any of the cris-elf or cris-linux targets. The problem here was that checking the first object file in archives didn't match but a logic error there meant bfd_error_wrong_object_format wasn't returned as it should be. There was also a possibility of bfd_error_wrong_object_format persisting from one target check to the next. bfd/ * archive.c (bfd_generic_archive_p): Correct object in archive target test. * format.c (bfd_check_format_matches_lto): Try to match given target first even when target_defaulted is set. Don't try other targets if !target_defaulted except for linker input. Clear bfd_error before attempted target matches. * targets.c (bfd_find_target): Set target_defaulted for plugin target. binutils/ * bucomm.h (set_plugin_target): Set target_defaulted. * testsuite/binutils-all/aarch64/pei-aarch64-little.d: Don't wrongly specify both input and output target, just specify output. * testsuite/binutils-all/loongarch64/pei-loongarch64.d: Likewise. * testsuite/binutils-all/riscv/pei-riscv64.d: Likewise.
2025-06-24RISC-V: Add GNU_PROPERTY_RISCV_FEATURE_1_CFI_SS and ↵Kito Cheng3-0/+57
GNU_PROPERTY_RISCV_FEATURE_1_CFI_LP_UNLABELED This patch adds two new GNU properties for RISC-V: GNU_PROPERTY_RISCV_FEATURE_1_CFI_SS and GNU_PROPERTY_RISCV_FEATURE_1_CFI_LP_UNLABELED. We only add readelf and define the properties in this patch. Ref: https://github.com/riscv-non-isa/riscv-elf-psabi-doc/pull/417
2025-01-01Update year range in copyright notice of binutils filesAlan Modra2-2/+2
2024-01-04Update year range in copyright notice of binutils filesAlan Modra2-2/+2
Adds two new external authors to etc/update-copyright.py to cover bfd/ax_tls.m4, and adds gprofng to dirs handled automatically, then updates copyright messages as follows: 1) Update cgen/utils.scm emitted copyrights. 2) Run "etc/update-copyright.py --this-year" with an extra external author I haven't committed, 'Kalray SA.', to cover gas testsuite files (which should have their copyright message removed). 3) Build with --enable-maintainer-mode --enable-cgen-maint=yes. 4) Check out */po/*.pot which we don't update frequently.
2023-12-05Add basic support for RISC-V 64-bit EFI objectsAndreas Schwab2-0/+47
This adds a new PEI target pei-riscv64-little. Only objdump and objcopy are supported. bfd: * .gitignore: Add pe-riscv64igen.c. * Makefile.am (BFD64_BACKENDS): Add pei-riscv64.lo, pe-riscv64igen.lo. (BFD64_BACKENDS_CFILES): Add pei-riscv64.c. (BUILD_CFILES): Add pe-riscv64igen.c. (pe-riscv64igen.c): New rule. * Makefile.in: Regenerate. * bfd.c (bfd_get_sign_extend_vma): Add pei-riscv64-little. * coff-riscv64.c: New file. * coffcode.h (coff_set_arch_mach_hook, coff_set_flags) (coff_write_object_contents): Add riscv64 (riscv64_pei_vec) support. * config.bfd (targ_selvecs): Add riscv64_pei_vec to all riscv* targets. * configure.ac: Handle riscv64_pei_vec. * configure: Regenerate. * libpei.h (GET_OPTHDR_IMAGE_BASE, PUT_OPTHDR_IMAGE_BASE) (GET_OPTHDR_SIZE_OF_STACK_RESERVE) (PUT_OPTHDR_SIZE_OF_STACK_RESERVE) (GET_OPTHDR_SIZE_OF_STACK_COMMIT, PUT_OPTHDR_SIZE_OF_STACK_COMMIT) (GET_OPTHDR_SIZE_OF_HEAP_RESERVE, PUT_OPTHDR_SIZE_OF_HEAP_RESERVE) (GET_OPTHDR_SIZE_OF_HEAP_COMMIT, PUT_OPTHDR_SIZE_OF_HEAP_COMMIT) (GET_PDATA_ENTRY, _bfd_XX_bfd_copy_private_bfd_data_common) (_bfd_XX_bfd_copy_private_section_data) (_bfd_XX_get_symbol_info, _bfd_XX_only_swap_filehdr_out) (_bfd_XX_print_private_bfd_data_common) (_bfd_XXi_final_link_postscript, _bfd_XXi_only_swap_filehdr_out) (_bfd_XXi_swap_aouthdr_in, _bfd_XXi_swap_aouthdr_out) (_bfd_XXi_swap_aux_in, _bfd_XXi_swap_aux_out) (_bfd_XXi_swap_lineno_in, _bfd_XXi_swap_lineno_out) (_bfd_XXi_swap_scnhdr_out, _bfd_XXi_swap_sym_in) (_bfd_XXi_swap_sym_out, _bfd_XXi_swap_debugdir_in) (_bfd_XXi_swap_debugdir_out, _bfd_XXi_write_codeview_record) (_bfd_XXi_slurp_codeview_record) [COFF_WITH_peRiscV64]: Define. (_bfd_peRiscV64_print_ce_compressed_pdata): Declare. * peXXigen.c (_bfd_XXi_swap_aouthdr_in, _bfd_XXi_swap_aouthdr_out) (_bfd_XXi_swap_scnhdr_out, pe_print_pdata) (_bfd_XX_print_private_bfd_data_common) (_bfd_XX_bfd_copy_private_section_data) (_bfd_XXi_final_link_postscript): Support COFF_WITH_peRiscV64. * pei-riscv64.c: New file. * peicode.h (coff_swap_scnhdr_in, pe_ILF_build_a_bfd) (pe_ILF_object_p): Support COFF_WITH_peRiscV64. (jtab): Add dummy entry that traps. * targets.c (_bfd_target_vector): Add riscv64_pei_vec. binutils: * testsuite/binutils-all/riscv/pei-riscv64.d: New. * testsuite/binutils-all/riscv/pei-riscv64.s: New. include: * coff/riscv64.h: New file. * coff/pe.h (IMAGE_FILE_MACHINE_RISCV32) (IMAGE_FILE_MACHINE_RISCV64): Define.
2023-02-03RISC-V: don't disassemble unrecognized insns as .byteJan Beulich1-3/+3
Insn width granularity being 16 bits, producing byte granular output isn't very useful. With there being a way to specific otherwise unknown insns to the assembler, use that same representation (to be precise: its <length>,<encoding> flavor) for disassembly.
2023-01-01Update year range in copyright notice of binutils filesAlan Modra2-2/+2
The newer update-copyright.py fixes file encoding too, removing cr/lf on binutils/bfdtest2.c and ld/testsuite/ld-cygwin/exe-export.exp, and embedded cr in binutils/testsuite/binutils-all/ar.exp string match.
2022-01-02Update year range in copyright notice of binutils filesAlan Modra2-2/+2
The result of running etc/update-copyright.py --this-year, fixing all the files whose mode is changed by the script, plus a build with --enable-maintainer-mode --enable-cgen-maint=yes, then checking out */po/*.pot which we don't update frequently. The copy of cgen was with commit d1dd5fcc38ead reverted as that commit breaks building of bfp opcodes files.
2021-09-20riscv: print .2byte or .4byte before an unknown instruction encodingAndrew Burgess3-0/+67
When the RISC-V disassembler encounters an unknown instruction, it currently just prints the value of the bytes, like this: Dump of assembler code for function custom_insn: 0x00010132 <+0>: addi sp,sp,-16 0x00010134 <+2>: sw s0,12(sp) 0x00010136 <+4>: addi s0,sp,16 0x00010138 <+6>: 0x52018b 0x0001013c <+10>: 0x9c45 My proposal, in this patch, is to change the behaviour to this: Dump of assembler code for function custom_insn: 0x00010132 <+0>: addi sp,sp,-16 0x00010134 <+2>: sw s0,12(sp) 0x00010136 <+4>: addi s0,sp,16 0x00010138 <+6>: .4byte 0x52018b 0x0001013c <+10>: .2byte 0x9c45 Adding the .4byte and .2byte opcodes. The benefit that I see here is that in the patched version of the tools, the disassembler output can be fed back into the assembler and it should assemble to the same binary format. Before the patch, the disassembler output is invalid assembly. I've started a RISC-V specific test file under binutils so that I can add a test for this change. binutils/ChangeLog: * testsuite/binutils-all/riscv/riscv.exp: New file. * testsuite/binutils-all/riscv/unknown.d: New file. * testsuite/binutils-all/riscv/unknown.s: New file. opcodes/ChangeLog: * riscv-dis.c (riscv_disassemble_insn): Print a .%dbyte opcode before an unknown instruction, '%d' is replaced with the instruction length.