STATIC void asm_x64_lea_disp_to_r64(asm_x64_t *as, int src_r64, int src_disp, int dest_r64) { // use REX prefix for 64 bit operation assert(src_r64 < 8); assert(dest_r64 < 8); asm_x64_write_byte_2(as, REX_PREFIX | REX_W, OPCODE_LEA_MEM_TO_R64); asm_x64_write_r64_disp(as, dest_r64, src_r64, src_disp); }
void asm_x64_mov_r32_to_mem32(asm_x64_t *as, int src_r64, int dest_r64, int dest_disp) { if (src_r64 < 8 && dest_r64 < 8) { asm_x64_write_byte_1(as, OPCODE_MOV_R64_TO_RM64); } else { asm_x64_write_byte_2(as, REX_PREFIX | REX_R_FROM_R64(src_r64) | REX_B_FROM_R64(dest_r64), OPCODE_MOV_R64_TO_RM64); } asm_x64_write_r64_disp(as, src_r64, dest_r64, dest_disp); }
void asm_x64_mov_mem32_to_r64zx(asm_x64_t *as, int src_r64, int src_disp, int dest_r64) { assert(src_r64 < 8); if (dest_r64 < 8) { asm_x64_write_byte_1(as, OPCODE_MOV_RM64_TO_R64); } else { asm_x64_write_byte_2(as, REX_PREFIX | REX_R, OPCODE_MOV_RM64_TO_R64); } asm_x64_write_r64_disp(as, dest_r64, src_r64, src_disp); }
void asm_x64_mov_disp_to_r64(asm_x64_t* as, int src_r64, int src_disp, int dest_r64) { // use REX prefix for 64 bit operation asm_x64_write_byte_2(as, REX_PREFIX | REX_W, OPCODE_MOV_RM64_TO_R64); asm_x64_write_r64_disp(as, dest_r64, src_r64, src_disp); }
void asm_x64_push_disp(asm_x64_t* as, int src_r64, int src_offset) { asm_x64_write_byte_1(as, OPCODE_PUSH_M64); asm_x64_write_r64_disp(as, 6, src_r64, src_offset); }
void asm_x64_mov_r64_to_mem64(asm_x64_t *as, int src_r64, int dest_r64, int dest_disp) { // use REX prefix for 64 bit operation asm_x64_write_byte_2(as, REX_PREFIX | REX_W | REX_R_FROM_R64(src_r64) | REX_B_FROM_R64(dest_r64), OPCODE_MOV_R64_TO_RM64); asm_x64_write_r64_disp(as, src_r64, dest_r64, dest_disp); }