Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.
The latest version of this topic can be found at __addgsbyte, __addgsword, __addgsdword, __addgsqword.
Microsoft Specific**
Add a value to a memory location specified by an offset relative to the beginning of the GS segment.
Syntax
void __addgsbyte(
unsigned long Offset,
unsigned char Data
);
void __addgsword(
unsigned long Offset,
unsigned short Data
);
void __addgsdword(
unsigned long Offset,
unsigned long Data
);
void __addgsqword(
unsigned long Offset,
unsigned __int64 Data
);
Parameters
[in] Offset
The offset from the beginning of GS.
[in] Data
The value to add to the memory location.
Requirements
| Intrinsic | Architecture |
|---|---|
__addgsbyte |
x64 |
__addgsword |
x64 |
__addgsdword |
x64 |
__addgsqword |
x64 |
Remarks
These intrinsics are available in kernel mode only, and these routines are only available as intrinsics.
END Microsoft Specific
See Also
__incgsbyte, __incgsword, __incgsdword, __incgsqword
__readgsbyte, __readgsdword, __readgsqword, __readgsword
__writegsbyte, __writegsdword, __writegsqword, __writegsword
Compiler Intrinsics