addgsbyte-addgsword-addgsdword-addgsqword.md

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Learn more about: __addgsbyte, __addgsword, __addgsdword, __addgsqword	__addgsbyte, __addgsword, __addgsdword, __addgsqword	09/02/2019	__addgsdword __addgsqword __addgsword_cpp __addgsword __addgsbyte_cpp __addgsqword_cpp __addgsbyte __addgsdword_cpp	__addgsword intrinsic __addgsqword intrinsic __addgsdword intrinsic __addgsbyte intrinsic	4fa03e69-d849-49ed-ba37-1d3aa23c2a21

__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

Offset
[in] The offset from the beginning of GS.

Data
[in] The value to add to the memory location.

Requirements

Intrinsic	Architecture
__addgsbyte	x64
__addgsword	x64
__addgsdword	x64
__addgsqword	x64

Header file <intrin.h>

Remarks

These routines are only available as an intrinsic.

END Microsoft Specific

See also

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