The first byte of a method header can also contain the following flags, valid only for the Fat format, that indicate how the method is to be executed:
| Flag | Value | Description |
|---|---|---|
CorILMethod_FatFormat |
0x3 | Method header is fat. |
CorILMethod_TinyFormat |
0x2 | Method header is tiny. |
CorILMethod_MoreSects |
0x8 | More sections follow after this header (§II.25.4.5). |
CorILMethod_InitLocals |
0x10 | Call default constructor on all local variables. |