longjmp.c File Reference

#include <setjmp.h>
#include <windef.h>

Include dependency graph for longjmp.c:

Go to the source code of this file.

Macros
#define	RtlUnwind   RtlUnwind_imported

Functions
VOID NTAPI	RtlUnwind (_In_opt_ PVOID TargetFrame, _In_opt_ PVOID TargetIp, _In_opt_ PEXCEPTION_RECORD ExceptionRecord, _In_ PVOID ReturnValue)
	__declspec (noreturn)

Macro Definition Documentation

RtlUnwind

#define RtlUnwind   RtlUnwind_imported

Definition at line 9 of file longjmp.c.

Function Documentation

__declspec()

__declspec

(

noreturn

)

Definition at line 22 of file longjmp.c.

{
    const _JUMP_BUFFER* jumpBuffer = (_JUMP_BUFFER*)_Buf;
 
    /* Ensure _Value is non-zero */
    _Value = (_Value == 0) ? 1 : _Value;
 
    EXCEPTION_RECORD exceptionRecord = { 0 };
    exceptionRecord.ExceptionCode = STATUS_LONGJUMP;
    exceptionRecord.NumberParameters = 1;
    exceptionRecord.ExceptionInformation[0] = (ULONG_PTR)jumpBuffer;
 
    RtlUnwind((PVOID)jumpBuffer->Frame,
                (PVOID)jumpBuffer->Lr,
                &exceptionRecord,
                (PVOID)(ULONG_PTR)_Value);
}

RtlUnwind()

VOID NTAPI RtlUnwind	(	_In_opt_ PVOID	TargetFrame,
		_In_opt_ PVOID	TargetIp,
		_In_opt_ PEXCEPTION_RECORD	ExceptionRecord,
		_In_ PVOID	ReturnValue
	)