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-rw-r--r--tools/objtool/arch/x86/decode.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c
index 0f22768c0d4d..34a579f806e3 100644
--- a/tools/objtool/arch/x86/decode.c
+++ b/tools/objtool/arch/x86/decode.c
@@ -284,11 +284,16 @@ int arch_decode_instruction(struct elf *elf, struct section *sec,
284 case 0x8d: 284 case 0x8d:
285 if (sib == 0x24 && rex_w && !rex_b && !rex_x) { 285 if (sib == 0x24 && rex_w && !rex_b && !rex_x) {
286 286
287 /* lea disp(%rsp), reg */
288 *type = INSN_STACK; 287 *type = INSN_STACK;
289 op->src.type = OP_SRC_ADD; 288 if (!insn.displacement.value) {
289 /* lea (%rsp), reg */
290 op->src.type = OP_SRC_REG;
291 } else {
292 /* lea disp(%rsp), reg */
293 op->src.type = OP_SRC_ADD;
294 op->src.offset = insn.displacement.value;
295 }
290 op->src.reg = CFI_SP; 296 op->src.reg = CFI_SP;
291 op->src.offset = insn.displacement.value;
292 op->dest.type = OP_DEST_REG; 297 op->dest.type = OP_DEST_REG;
293 op->dest.reg = op_to_cfi_reg[modrm_reg][rex_r]; 298 op->dest.reg = op_to_cfi_reg[modrm_reg][rex_r];
294 299