__addgsbyte, __addgsword, __addgsdword, __addgsqword

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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 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.

These intrinsics are available in kernel mode only, and these routines are only available as intrinsics.

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