* Send a `mov offset(%rsp),%r64' instruction. */
| 1284 | * Send a `mov offset(%rsp),%r64' instruction. |
| 1285 | */ |
| 1286 | void sendMovFromStackToR64(FILE *out, int32_t offset, int regno) |
| 1287 | { |
| 1288 | const uint8_t REX[] = |
| 1289 | {0x48, 0x48, 0x48, 0x48, 0x4c, 0x4c, 0x00, |
| 1290 | 0x48, 0x4c, 0x4c, 0x48, 0x48, 0x4c, 0x4c, 0x4c, 0x4c, 0x48}; |
| 1291 | const uint8_t MODRM_0[] = |
| 1292 | {0x3c, 0x34, 0x14, 0x0c, 0x04, 0x0c, 0x00, |
| 1293 | 0x04, 0x14, 0x1c, 0x1c, 0x2c, 0x24, 0x2c, 0x34, 0x3c, 0x24}; |
| 1294 | const uint8_t MODRM_8[] = |
| 1295 | {0x7c, 0x74, 0x54, 0x4c, 0x44, 0x4c, 0x00, |
| 1296 | 0x44, 0x54, 0x5c, 0x5c, 0x6c, 0x64, 0x6c, 0x74, 0x7c, 0x64}; |
| 1297 | const uint8_t MODRM_32[] = |
| 1298 | {0xbc, 0xb4, 0x94, 0x8c, 0x84, 0x8c, 0x00, |
| 1299 | 0x84, 0x94, 0x9c, 0x9c, 0xac, 0xa4, 0xac, 0xb4, 0xbc, 0xa4}; |
| 1300 | |
| 1301 | if (offset == 0) |
| 1302 | fprintf(out, "%u,%u,%u,%u,", |
| 1303 | REX[regno], 0x8b, MODRM_0[regno], 0x24); |
| 1304 | else if (offset >= INT8_MIN && offset <= INT8_MAX) |
| 1305 | fprintf(out, "%u,%u,%u,%u,{\"int8\":%d},", |
| 1306 | REX[regno], 0x8b, MODRM_8[regno], 0x24, offset); |
| 1307 | else |
| 1308 | fprintf(out, "%u,%u,%u,%u,{\"int32\":%d},", |
| 1309 | REX[regno], 0x8b, MODRM_32[regno], 0x24, offset); |
| 1310 | } |
| 1311 | |
| 1312 | /* |
| 1313 | * Send a `movslq offset(%rsp),%r64' instruction. |
no test coverage detected