diff options
| author | Alexandre Chartre <alexandre.chartre@oracle.com> | 2025-11-21 10:53:13 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-11-21 15:30:07 +0100 |
| commit | 59953303827eceb06d486ba66cc0d71f55ded8ec (patch) | |
| tree | c3394bfb901681fe576699d359d5edad48cb88b7 /tools/objtool/arch | |
| parent | 1013f2e37bec39b1df5679e1c1e2572ece87c088 (diff) | |
objtool: Disassemble code with libopcodes instead of running objdump
objtool executes the objdump command to disassemble code. Use libopcodes
instead to have more control about the disassembly scope and output.
If libopcodes is not present then objtool is built without disassembly
support.
Signed-off-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>
Link: https://patch.msgid.link/20251121095340.464045-4-alexandre.chartre@oracle.com
Diffstat (limited to 'tools/objtool/arch')
| -rw-r--r-- | tools/objtool/arch/loongarch/decode.c | 12 | ||||
| -rw-r--r-- | tools/objtool/arch/powerpc/decode.c | 12 | ||||
| -rw-r--r-- | tools/objtool/arch/x86/decode.c | 12 |
3 files changed, 36 insertions, 0 deletions
diff --git a/tools/objtool/arch/loongarch/decode.c b/tools/objtool/arch/loongarch/decode.c index 0115b97c526b..1de86ebb637d 100644 --- a/tools/objtool/arch/loongarch/decode.c +++ b/tools/objtool/arch/loongarch/decode.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0-or-later #include <string.h> #include <objtool/check.h> +#include <objtool/disas.h> #include <objtool/warn.h> #include <asm/inst.h> #include <asm/orc_types.h> @@ -414,3 +415,14 @@ unsigned long arch_jump_table_sym_offset(struct reloc *reloc, struct reloc *tabl return reloc->sym->offset + reloc_addend(reloc); } } + +#ifdef DISAS + +int arch_disas_info_init(struct disassemble_info *dinfo) +{ + return disas_info_init(dinfo, bfd_arch_loongarch, + bfd_mach_loongarch32, bfd_mach_loongarch64, + NULL); +} + +#endif /* DISAS */ diff --git a/tools/objtool/arch/powerpc/decode.c b/tools/objtool/arch/powerpc/decode.c index 3a9b748216ed..4f68b402e785 100644 --- a/tools/objtool/arch/powerpc/decode.c +++ b/tools/objtool/arch/powerpc/decode.c @@ -3,6 +3,7 @@ #include <stdio.h> #include <stdlib.h> #include <objtool/check.h> +#include <objtool/disas.h> #include <objtool/elf.h> #include <objtool/arch.h> #include <objtool/warn.h> @@ -127,3 +128,14 @@ unsigned int arch_reloc_size(struct reloc *reloc) return 8; } } + +#ifdef DISAS + +int arch_disas_info_init(struct disassemble_info *dinfo) +{ + return disas_info_init(dinfo, bfd_arch_powerpc, + bfd_mach_ppc, bfd_mach_ppc64, + NULL); +} + +#endif /* DISAS */ diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c index cc85db7b65a4..83e9c604ce10 100644 --- a/tools/objtool/arch/x86/decode.c +++ b/tools/objtool/arch/x86/decode.c @@ -16,6 +16,7 @@ #include <asm/orc_types.h> #include <objtool/check.h> +#include <objtool/disas.h> #include <objtool/elf.h> #include <objtool/arch.h> #include <objtool/warn.h> @@ -949,3 +950,14 @@ bool arch_absolute_reloc(struct elf *elf, struct reloc *reloc) return false; } } + +#ifdef DISAS + +int arch_disas_info_init(struct disassemble_info *dinfo) +{ + return disas_info_init(dinfo, bfd_arch_i386, + bfd_mach_i386_i386, bfd_mach_x86_64, + "att"); +} + +#endif /* DISAS */ |