MCPcopy Create free account
hub / github.com/GJDuck/e9patch / sendMovFromStack32ToR64

Function sendMovFromStack32ToR64

src/e9tool/e9codegen.cpp:1315–1339  ·  view source on GitHub ↗

* Send a `movslq offset(%rsp),%r64' instruction. */

Source from the content-addressed store, hash-verified

1313 * Send a `movslq offset(%rsp),%r64' instruction.
1314 */
1315void sendMovFromStack32ToR64(FILE *out, int32_t offset, int regno)
1316{
1317 const uint8_t REX[] =
1318 {0x48, 0x48, 0x48, 0x48, 0x4c, 0x4c, 0x00,
1319 0x48, 0x4c, 0x4c, 0x48, 0x48, 0x4c, 0x4c, 0x4c, 0x4c, 0x48};
1320 const uint8_t MODRM_0[] =
1321 {0x3c, 0x34, 0x14, 0x0c, 0x04, 0x0c, 0x00,
1322 0x04, 0x14, 0x1c, 0x1c, 0x2c, 0x24, 0x2c, 0x34, 0x3c, 0x24};
1323 const uint8_t MODRM_8[] =
1324 {0x7c, 0x74, 0x54, 0x4c, 0x44, 0x4c, 0x00,
1325 0x44, 0x54, 0x5c, 0x5c, 0x6c, 0x64, 0x6c, 0x74, 0x7c, 0x64};
1326 const uint8_t MODRM_32[] =
1327 {0xbc, 0xb4, 0x94, 0x8c, 0x84, 0x8c, 0x00,
1328 0x84, 0x94, 0x9c, 0x9c, 0xac, 0xa4, 0xac, 0xb4, 0xbc, 0xa4};
1329
1330 if (offset == 0)
1331 fprintf(out, "%u,%u,%u,%u,",
1332 REX[regno], 0x63, MODRM_0[regno], 0x24);
1333 else if (offset >= INT8_MIN && offset <= INT8_MAX)
1334 fprintf(out, "%u,%u,%u,%u,{\"int8\":%d},",
1335 REX[regno], 0x63, MODRM_8[regno], 0x24, offset);
1336 else
1337 fprintf(out, "%u,%u,%u,%u,{\"int32\":%d},",
1338 REX[regno], 0x63, MODRM_32[regno], 0x24, offset);
1339}
1340
1341/*
1342 * Send a `movswl offset(%rsp),%r64' instruction.

Callers 1

sendLoadRegToArgFunction · 0.85

Calls 1

fprintfFunction · 0.50

Tested by

no test coverage detected