__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.

void __addgsbyte( 
   unsigned long Offset, 
   unsigned char Data 
);
void __addgsword( 
   unsigned long Offset, 
   unsigned short Data 
);
void __addgsdword( 
   unsigned long Offset, 
   unsigned int 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

Reference

__incgsbyte, __incgsword, __incgsdword, __incgsqword
__readgsbyte, __readgsdword, __readgsqword, __readgsword
__writegsbyte, __writegsdword, __writegsqword, __writegsword
Compiler Intrinsics