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py: Add store r8 and store r16 ops to asm_x86 and asm_x64.

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This commit is contained in:
Damien George
2014-09-29 10:13:49 +01:00
parent 851f15f34c
commit d66e48662b
4 changed files with 43 additions and 8 deletions
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15
py/asmx86.c
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@@ -49,6 +49,7 @@
//#define OPCODE_MOV_I8_TO_R8 (0xb0) /* +rb */
#define OPCODE_MOV_I32_TO_R32 (0xb8)
//#define OPCODE_MOV_I32_TO_RM32 (0xc7)
#define OPCODE_MOV_R8_TO_RM8 (0x88) /* /r */
#define OPCODE_MOV_R32_TO_RM32 (0x89)
#define OPCODE_MOV_RM32_TO_R32 (0x8b)
#define OPCODE_LEA_MEM_TO_R32 (0x8d) /* /r */
@@ -85,6 +86,8 @@
#define MODRM_RM_REG (0xc0)
#define MODRM_RM_R32(x) (x)
#define OP_SIZE_PREFIX (0x66)
#define IMM32_L0(x) ((x) & 0xff)
#define IMM32_L1(x) (((x) >> 8) & 0xff)
#define IMM32_L2(x) (((x) >> 16) & 0xff)
@@ -232,7 +235,17 @@ void asm_x86_mov_r32_to_r32(asm_x86_t *as, int src_r32, int dest_r32) {
asm_x86_write_byte_2(as, OPCODE_MOV_R32_TO_RM32, MODRM_R32(src_r32) | MODRM_RM_REG | MODRM_RM_R32(dest_r32));
}
STATIC void asm_x86_mov_r32_to_disp(asm_x86_t *as, int src_r32, int dest_r32, int dest_disp) {
void asm_x86_mov_r8_to_disp(asm_x86_t *as, int src_r32, int dest_r32, int dest_disp) {
asm_x86_write_byte_1(as, OPCODE_MOV_R8_TO_RM8);
asm_x86_write_r32_disp(as, src_r32, dest_r32, dest_disp);
}
void asm_x86_mov_r16_to_disp(asm_x86_t *as, int src_r32, int dest_r32, int dest_disp) {
asm_x86_write_byte_2(as, OP_SIZE_PREFIX, OPCODE_MOV_R32_TO_RM32);
asm_x86_write_r32_disp(as, src_r32, dest_r32, dest_disp);
}
void asm_x86_mov_r32_to_disp(asm_x86_t *as, int src_r32, int dest_r32, int dest_disp) {
asm_x86_write_byte_1(as, OPCODE_MOV_R32_TO_RM32);
asm_x86_write_r32_disp(as, src_r32, dest_r32, dest_disp);
}