setjmp.h

// setjmp.h

// The C Standard Library <setjmp.h> header.

#pragma once

#define _INC_SETJMP

#include <vcruntime.h>

#ifdef _M_CEE

// The reason why simple setjmp won't work here is that there may

// be case when CLR stubs are on the stack e.g. function call just

// after jitting, and not unwinding CLR will result in bad state of

// CLR which then can AV or do something very bad.

#include <setjmpex.h>

#endif

_CRT_BEGIN_C_HEADER

__pragma

(pack(push,

))

extern

"C"

{

// Definitions specific to particular setjmp implementations.

#if defined _M_IX86

#define _JBLEN 16

#define _JBTYPE int

typedef

struct

__JUMP_BUFFER

{

unsigned

long

Ebp

;

unsigned

long

Ebx

;

unsigned

long

Edi

;

unsigned

long

Esi

;

unsigned

long

Esp

;

unsigned

long

Eip

;

unsigned

long

Registration

;

unsigned

long

TryLevel

;

unsigned

long

;

unsigned

long

UnwindFunc

;

unsigned

long

UnwindData

[

]; }

_JUMP_BUFFER

;

#elif defined _M_X64

typedef struct _VCRT_ALIGN(16) _SETJMP_FLOAT128

{

unsigned __int64 Part[2];

} SETJMP_FLOAT128;

#define _JBLEN 16

typedef SETJMP_FLOAT128 _JBTYPE;

typedef struct _JUMP_BUFFER

{

unsigned __int64 Frame;

unsigned __int64 Rbx;

unsigned __int64 Rsp;

unsigned __int64 Rbp;

unsigned __int64 Rsi;

unsigned __int64 Rdi;

unsigned __int64 R12;

unsigned __int64 R13;

unsigned __int64 R14;

unsigned __int64 R15;

unsigned __int64 Rip;

unsigned long MxCsr;

unsigned short FpCsr;

unsigned short Spare;

SETJMP_FLOAT128 Xmm6;

SETJMP_FLOAT128 Xmm7;

SETJMP_FLOAT128 Xmm8;

SETJMP_FLOAT128 Xmm9;

SETJMP_FLOAT128 Xmm10;

SETJMP_FLOAT128 Xmm11;

SETJMP_FLOAT128 Xmm12;

SETJMP_FLOAT128 Xmm13;

SETJMP_FLOAT128 Xmm14;

SETJMP_FLOAT128 Xmm15;

} _JUMP_BUFFER;

#elif defined _M_ARM

#define _JBLEN 28

#define _JBTYPE int

typedef struct _JUMP_BUFFER

{

unsigned long Frame;

unsigned long R4;

unsigned long R5;

unsigned long R6;

unsigned long R7;

unsigned long R8;

unsigned long R9;

unsigned long R10;

unsigned long R11;

unsigned long Sp;

unsigned long Pc;

unsigned long Fpscr;

unsigned long long D[8]; // D8-D15 VFP/NEON regs

} _JUMP_BUFFER;

#elif defined _M_ARM64

#define _JBLEN 24

#define _JBTYPE unsigned __int64

typedef struct _JUMP_BUFFER {

unsigned __int64 Frame;

unsigned __int64 Reserved;

unsigned __int64 X19; // x19 -- x28: callee saved registers

unsigned __int64 X20;

unsigned __int64 X21;

unsigned __int64 X22;

unsigned __int64 X23;

unsigned __int64 X24;

unsigned __int64 X25;

unsigned __int64 X26;

unsigned __int64 X27;

unsigned __int64 X28;

unsigned __int64 Fp; // x29 frame pointer

unsigned __int64 Lr; // x30 link register

unsigned __int64 Sp; // x31 stack pointer

unsigned __int32 Fpcr; // fp control register

unsigned __int32 Fpsr; // fp status register

double D[8]; // D8-D15 FP regs

} _JUMP_BUFFER;

#endif

// Define the buffer type for holding the state information

#ifndef _JMP_BUF_DEFINED

#define _JMP_BUF_DEFINED

typedef _JBTYPE jmp_buf[_JBLEN]; #endif

typedef

int

jmp_buf

[

];

#ifndef _INC_SETJMPEX

#define setjmp _setjmp #endif

// Function prototypes

int __cdecl setjmp(

int

__cdecl

_setjmp

(

_Out_ jmp_buf _Buf

jmp_buf

_Buf

);

#ifdef __cplusplus

__declspec

(noreturn)

void

__cdecl

longjmp

(

_In_ jmp_buf _Buf,

jmp_buf

_Buf

_In_ int _Value

int

_Value

)

noexcept

(

false

);

#else

__declspec(noreturn) void __cdecl longjmp(

_In_ jmp_buf _Buf,

_In_ int _Value

); #endif

_CRT_END_C_HEADER

}

__pragma

(pack(pop))