Messages in this thread Patch in this message | | | From | Jiri Slaby <> | Subject | [PATCH] objtool: fix iret's opcode | Date | Wed, 18 Jan 2017 14:29:21 +0100 |
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iret is 0xcf according to the Intel manual and also to objdump of my vmlinux: 1ea8: 48 cf iretq
Fix the opcode in arch_decode_instruction.
The previous value (0xc5) seems to correspond to lds.
Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Ingo Molnar <mingo@kernel.org> --- tools/objtool/arch/x86/decode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c index 5e0dea2cdc01..039636ffb6c8 100644 --- a/tools/objtool/arch/x86/decode.c +++ b/tools/objtool/arch/x86/decode.c @@ -150,9 +150,9 @@ int arch_decode_instruction(struct elf *elf, struct section *sec, *type = INSN_RETURN; break; - case 0xc5: /* iret */ case 0xca: /* retf */ case 0xcb: /* retf */ + case 0xcf: /* iret */ *type = INSN_CONTEXT_SWITCH; break; -- 2.11.0
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