This implements INSN_ADD_REG_REG and INSN_SUB_REG_REG.
Signed-off-by: Eduard - Gabriel Munteanu <[email protected]>
---
arch/x86/emit-code.c | 20 ++++++++++++++++++++
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/arch/x86/emit-code.c b/arch/x86/emit-code.c
index 5612ce6..ad60b4c 100644
--- a/arch/x86/emit-code.c
+++ b/arch/x86/emit-code.c
@@ -1704,6 +1704,24 @@ static void emit_mov_reg_reg(struct buffer *buf,
mach_reg(&src->reg), mach_reg(&dest->reg));
}
+static void emit_add_reg_reg(struct buffer *buf,
+ struct operand *src, struct operand *dest)
+{
+ if (is_64bit_bin_reg_op(src, dest))
+ emit_reg_reg(buf, 1, 0x03, dest, src);
+ else
+ emit_reg_reg(buf, 0, 0x03, dest, src);
+}
+
+static void emit_sub_reg_reg(struct buffer *buf, struct operand *src,
+ struct operand *dest)
+{
+ if (is_64bit_bin_reg_op(src, dest))
+ emit_reg_reg(buf, 1, 0x29, src, dest);
+ else
+ emit_reg_reg(buf, 0, 0x29, src, dest);
+}
+
static void emit_alu_imm_reg(struct buffer *buf,
int rex_w,
unsigned char opc_ext,
@@ -2019,6 +2037,7 @@ static void emit_mov_memlocal_reg(struct buffer *buf,
struct emitter emitters[] = {
GENERIC_X86_EMITTERS,
DECL_EMITTER(INSN_ADD_IMM_REG, emit_add_imm_reg, TWO_OPERANDS),
+ DECL_EMITTER(INSN_ADD_REG_REG, emit_add_reg_reg, TWO_OPERANDS),
DECL_EMITTER(INSN_MOV_IMM_REG, emit_mov_imm_reg, TWO_OPERANDS),
DECL_EMITTER(INSN_MOV_MEMBASE_REG, emit_mov_membase_reg, TWO_OPERANDS),
DECL_EMITTER(INSN_MOV_MEMLOCAL_REG, emit_mov_memlocal_reg,
TWO_OPERANDS),
@@ -2027,6 +2046,7 @@ struct emitter emitters[] = {
DECL_EMITTER(INSN_PUSH_REG, emit_push_reg, SINGLE_OPERAND),
DECL_EMITTER(INSN_POP_REG, emit_pop_reg, SINGLE_OPERAND),
DECL_EMITTER(INSN_SUB_IMM_REG, emit_sub_imm_reg, TWO_OPERANDS),
+ DECL_EMITTER(INSN_SUB_REG_REG, emit_sub_reg_reg, TWO_OPERANDS),
DECL_EMITTER(INSN_TEST_MEMBASE_REG, emit_test_membase_reg,
TWO_OPERANDS),
};
--
1.6.0.6
------------------------------------------------------------------------------
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