__readgsbyte, __readgsdword, __readgsqword, __readgsword
Microsoft Specific
Read memory from a location specified by an offset relative to the beginning of the GS segment.
unsigned char __readgsbyte(
unsigned long Offset
);
unsigned short __readgsword(
unsigned long Offset
);
unsigned long __readgsdword(
unsigned long Offset
);
unsigned __int64 __readgsqword(
unsigned long Offset
);
Parameters
- [in] Offset
The offset from the beginning of GS to read from.
Return Value
The memory contents of the byte, word, double word, or quadword (as indicated by the name of the function called) at the location GS:[Offset].
Requirements
Intrinsic |
Architecture |
---|---|
__readgsbyte |
x64 |
__readgsdword |
x64 |
__readgsqword |
x64 |
__readgsword |
x64 |
Header file <intrin.h>
Remarks
These intrinsics are only available in kernel mode, and the routines are only available as intrinsics.
See Also
Reference
__writegsbyte, __writegsdword, __writegsqword, __writegsword