diff options
| author | Jens Axboe <axboe@kernel.dk> | 2017-08-28 13:00:44 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-08-28 13:00:44 -0600 |
| commit | cd996fb47c360320cf25ac9503c16de085ea9cfc (patch) | |
| tree | 38a4730b2c031afe7daf632064f9687f1e09194e /tools/objtool/arch/x86/decode.c | |
| parent | e9a823fb34a8b0fcba6e112aa1003258a1a5af50 (diff) | |
| parent | cc4a41fe5541a73019a864883297bd5043aa6d98 (diff) | |
Merge tag 'v4.13-rc7' into for-4.14/block-postmerge
Linux 4.13-rc7
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/objtool/arch/x86/decode.c')
| -rw-r--r-- | tools/objtool/arch/x86/decode.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c index a36c2eba64e7..4559a21a8de2 100644 --- a/tools/objtool/arch/x86/decode.c +++ b/tools/objtool/arch/x86/decode.c @@ -271,7 +271,7 @@ int arch_decode_instruction(struct elf *elf, struct section *sec, case 0x8d: if (rex == 0x48 && modrm == 0x65) { - /* lea -disp(%rbp), %rsp */ + /* lea disp(%rbp), %rsp */ *type = INSN_STACK; op->src.type = OP_SRC_ADD; op->src.reg = CFI_BP; @@ -281,6 +281,30 @@ int arch_decode_instruction(struct elf *elf, struct section *sec, break; } + if (rex == 0x48 && (modrm == 0xa4 || modrm == 0x64) && + sib == 0x24) { + + /* lea disp(%rsp), %rsp */ + *type = INSN_STACK; + op->src.type = OP_SRC_ADD; + op->src.reg = CFI_SP; + op->src.offset = insn.displacement.value; + op->dest.type = OP_DEST_REG; + op->dest.reg = CFI_SP; + break; + } + + if (rex == 0x48 && modrm == 0x2c && sib == 0x24) { + + /* lea (%rsp), %rbp */ + *type = INSN_STACK; + op->src.type = OP_SRC_REG; + op->src.reg = CFI_SP; + op->dest.type = OP_DEST_REG; + op->dest.reg = CFI_BP; + break; + } + if (rex == 0x4c && modrm == 0x54 && sib == 0x24 && insn.displacement.value == 8) { |