diff options
Diffstat (limited to 'tools/objtool/arch/x86/decode.c')
| -rw-r--r-- | tools/objtool/arch/x86/decode.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c index a36c2eba64e7..e4b400b67e41 100644 --- a/tools/objtool/arch/x86/decode.c +++ b/tools/objtool/arch/x86/decode.c @@ -382,20 +382,27 @@ int arch_decode_instruction(struct elf *elf, struct section *sec, case 0x0f: - if (op2 >= 0x80 && op2 <= 0x8f) + if (op2 >= 0x80 && op2 <= 0x8f) { + *type = INSN_JUMP_CONDITIONAL; - else if (op2 == 0x05 || op2 == 0x07 || op2 == 0x34 || - op2 == 0x35) + + } else if (op2 == 0x05 || op2 == 0x07 || op2 == 0x34 || + op2 == 0x35) { /* sysenter, sysret */ *type = INSN_CONTEXT_SWITCH; - else if (op2 == 0x0d || op2 == 0x1f) + } else if (op2 == 0x0b || op2 == 0xb9) { + + /* ud2 */ + *type = INSN_BUG; + + } else if (op2 == 0x0d || op2 == 0x1f) { /* nopl/nopw */ *type = INSN_NOP; - else if (op2 == 0xa0 || op2 == 0xa8) { + } else if (op2 == 0xa0 || op2 == 0xa8) { /* push fs/gs */ *type = INSN_STACK; |