The two least significant bits of the first byte of the method header indicate what type of header is present. These 2 bits will be one and only one of the following:
| Value | Value | Description |
|---|---|---|
CorILMethod_TinyFormat |
0x2 | The method header is tiny (§II.25.4.2). |
CorILMethod_FatFormat |
0x3 | The method header is fat (§II.25.4.3). |