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__readgsbyte, __readgsdword, __readgsqword, __readgsword

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Microsoft Specific

Read memory from a location specified by an offset relative to the beginning of the GS segment.

Syntax

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

Offset
[in] 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 routines are only available as an intrinsic.

END Microsoft Specific

See also

__writegsbyte, __writegsdword, __writegsqword, __writegsword
Compiler intrinsics