Source code of Windows XP (NT5)
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/***
*setjmp.h - definitions/declarations for setjmp/longjmp routines
*
* Copyright (c) 1985-2001, Microsoft Corporation. All rights reserved.
*
*Purpose:
* This file defines the machine-dependent buffer used by
* setjmp/longjmp to save and restore the program state, and
* declarations for those routines.
* [ANSI/System V]
*
* [Public]
*
****/
#if _MSC_VER > 1000
#pragma once
#endif
#ifndef _INC_SETJMP
#define _INC_SETJMP
#if !defined(_WIN32)
#error ERROR: Only Win32 target supported!
#endif
#ifdef _MSC_VER
/*
* Currently, all MS C compilers for Win32 platforms default to 8 byte
* alignment.
*/
#pragma pack(push,8)
#endif /* _MSC_VER */
#ifdef __cplusplus
extern "C" {
#endif
/* Define _CRTIMP */
#ifndef _CRTIMP
#ifdef _DLL
#define _CRTIMP __declspec(dllimport)
#else /* ndef _DLL */
#define _CRTIMP
#endif /* _DLL */
#endif /* _CRTIMP */
/* Define __cdecl for non-Microsoft compilers */
#if ( !defined(_MSC_VER) && !defined(__cdecl) )
#define __cdecl
#endif
/*
* Definitions specific to particular setjmp implementations.
*/
#if defined(_M_IX86)
/*
* MS compiler for x86
*/
#ifndef _INC_SETJMPEX
#define setjmp _setjmp
#endif
#define _JBLEN 16
#define _JBTYPE int
/*
* Define jump buffer layout for x86 setjmp/longjmp.
*/
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 Cookie;
unsigned long UnwindFunc;
unsigned long UnwindData[6];
} _JUMP_BUFFER;
#elif defined(_M_MRX000)
#ifndef _INC_SETJMPEX
#if _MSC_VER >= 1100
#define _setjmp _setjmpVfp
#endif
#define setjmp _setjmp
#endif
/*
* All MIPS implementations need _JBLEN of 16
*/
#define _JBLEN 16
#define _JBTYPE double
/*
* Define jump buffer layout for MIPS setjmp/longjmp.
*/
typedef struct __JUMP_BUFFER {
unsigned long FltF20;
unsigned long FltF21;
unsigned long FltF22;
unsigned long FltF23;
unsigned long FltF24;
unsigned long FltF25;
unsigned long FltF26;
unsigned long FltF27;
unsigned long FltF28;
unsigned long FltF29;
unsigned long FltF30;
unsigned long FltF31;
unsigned long IntS0;
unsigned long IntS1;
unsigned long IntS2;
unsigned long IntS3;
unsigned long IntS4;
unsigned long IntS5;
unsigned long IntS6;
unsigned long IntS7;
unsigned long IntS8;
unsigned long IntSp;
unsigned long Type;
unsigned long Fir;
} _JUMP_BUFFER;
#elif defined(_M_ALPHA)
/*
* The Alpha C8/GEM C compiler uses an intrinsic _setjmp.
* The Alpha acc compiler implements setjmp as a function.
*/
#ifdef _MSC_VER
#ifndef _INC_SETJMPEX
#define setjmp _setjmpex /* Alpha should always use setjmp as _setjmpex */
#endif
#endif
/*
* Alpha implementations use a _JBLEN of 24 quadwords.
* A double is used only to obtain quadword size and alignment.
*/
#define _JBLEN 24
#define _JBTYPE double
/*
* Define jump buffer layout for Alpha setjmp/longjmp.
* A double is used only to obtain quadword size and alignment.
*/
typedef struct __JUMP_BUFFER {
#ifdef _M_ALPHA64
#define _JBFILL 3
unsigned __int64 Fp;
unsigned __int64 Pc;
unsigned __int64 Seb;
unsigned long Type;
unsigned long Type_Fill;
#else
#define _JBFILL 5
unsigned long Fp;
unsigned long Pc;
unsigned long Seb;
unsigned long Type;
#endif
double FltF2;
double FltF3;
double FltF4;
double FltF5;
double FltF6;
double FltF7;
double FltF8;
double FltF9;
double IntS0;
double IntS1;
double IntS2;
double IntS3;
double IntS4;
double IntS5;
double IntS6;
double IntSp;
double Fir;
double Fill[_JBFILL];
} _JUMP_BUFFER;
#undef _JBFILL
#elif defined(_M_PPC)
/*
* The Microsoft VC++ V4.0 compiler uses an intrinsic _setjmp.
* The Motorola C8.5 compiler implements setjmp as a function.
*/
#if _MSC_VER > 850
#ifndef _INC_SETJMPEX
#undef _setjmp
#define setjmp _setjmp
#endif
#endif
/*
* Min length is 240 bytes; round to 256 bytes.
* Since this is allocated as an array of "double", the
* number of entries required is 32.
*
* All PPC implementations need _JBLEN of 32
*/
#define _JBLEN 32
#define _JBTYPE double
/*
* Define jump buffer layout for PowerPC setjmp/longjmp.
*/
typedef struct __JUMP_BUFFER {
double Fpr14;
double Fpr15;
double Fpr16;
double Fpr17;
double Fpr18;
double Fpr19;
double Fpr20;
double Fpr21;
double Fpr22;
double Fpr23;
double Fpr24;
double Fpr25;
double Fpr26;
double Fpr27;
double Fpr28;
double Fpr29;
double Fpr30;
double Fpr31;
unsigned long Gpr1;
unsigned long Gpr2;
unsigned long Gpr13;
unsigned long Gpr14;
unsigned long Gpr15;
unsigned long Gpr16;
unsigned long Gpr17;
unsigned long Gpr18;
unsigned long Gpr19;
unsigned long Gpr20;
unsigned long Gpr21;
unsigned long Gpr22;
unsigned long Gpr23;
unsigned long Gpr24;
unsigned long Gpr25;
unsigned long Gpr26;
unsigned long Gpr27;
unsigned long Gpr28;
unsigned long Gpr29;
unsigned long Gpr30;
unsigned long Gpr31;
unsigned long Cr;
unsigned long Iar;
unsigned long Type;
} _JUMP_BUFFER;
#elif defined(_M_IA64)
/*
* Minimum length is 528 bytes
* Since this is allocated as an array of "SETJMP_FLOAT128", the
* number of entries required is 33 (16-byte aligned).
*/
// Avoid conflicts with winnt.h FLOAT128 by giving the typedef another name.
typedef __declspec(align(16)) struct _SETJMP_FLOAT128 {
__int64 LowPart;
__int64 HighPart;
} SETJMP_FLOAT128;
#define _JBLEN 33
typedef SETJMP_FLOAT128 _JBTYPE;
#ifndef _INC_SETJMPEX
#define setjmp _setjmp
#endif
/*
* Define jump buffer layout for IA64 setjmp/longjmp.
*/
typedef struct __JUMP_BUFFER {
unsigned long iAReserved[6];
//
// x86 C9.0 compatibility
//
unsigned long Registration; // point to the UnwindData field.
unsigned long TryLevel; // ignored by setjmp
unsigned long Cookie; // set to "VC20" by setjmp
unsigned long UnwindFunc; // set to EM longjmp() by setjmp
//
// First dword is zero to indicate it's an exception registration
// record prepared by EM setjmp function.
// Second dword is set to 0 for unsafe EM setjmp, and 1 for safe
// EM setjmp.
// Third dword is set to the setjmp site memory stack frame pointer.
// Fourth dword is set to the setjmp site backing store frame pointer.
//
unsigned long UnwindData[6];
//
// floating point status register,
// and preserved floating point registers fs0 - fs19
//
SETJMP_FLOAT128 FltS0;
SETJMP_FLOAT128 FltS1;
SETJMP_FLOAT128 FltS2;
SETJMP_FLOAT128 FltS3;
SETJMP_FLOAT128 FltS4;
SETJMP_FLOAT128 FltS5;
SETJMP_FLOAT128 FltS6;
SETJMP_FLOAT128 FltS7;
SETJMP_FLOAT128 FltS8;
SETJMP_FLOAT128 FltS9;
SETJMP_FLOAT128 FltS10;
SETJMP_FLOAT128 FltS11;
SETJMP_FLOAT128 FltS12;
SETJMP_FLOAT128 FltS13;
SETJMP_FLOAT128 FltS14;
SETJMP_FLOAT128 FltS15;
SETJMP_FLOAT128 FltS16;
SETJMP_FLOAT128 FltS17;
SETJMP_FLOAT128 FltS18;
SETJMP_FLOAT128 FltS19;
__int64 FPSR;
//
// return link and preserved branch registers bs0 - bs4
//
__int64 StIIP; // continuation address
__int64 BrS0;
__int64 BrS1;
__int64 BrS2;
__int64 BrS3;
__int64 BrS4;
//
// preserved general registers s0 - s3, sp, nats
//
__int64 IntS0;
__int64 IntS1;
__int64 IntS2;
__int64 IntS3;
//
// bsp, pfs, unat, lc
//
__int64 RsBSP;
__int64 RsPFS; // previous frame marker (cfm of setjmp's caller)
__int64 ApUNAT; // User Nat collection register (preserved)
__int64 ApLC; // loop counter
__int64 IntSp; // memory stack pointer
__int64 IntNats; // Nat bits of preserved integer regs s0 - s3
__int64 Preds; // predicates
} _JUMP_BUFFER;
#endif
/* Define the buffer type for holding the state information */
#ifndef _JMP_BUF_DEFINED
typedef _JBTYPE jmp_buf[_JBLEN];
#define _JMP_BUF_DEFINED
#endif
/* Function prototypes */
int __cdecl setjmp(jmp_buf);
#if _MSC_VER >= 1200
_CRTIMP __declspec(noreturn) void __cdecl longjmp(jmp_buf, int);
#else
_CRTIMP void __cdecl longjmp(jmp_buf, int);
#endif
#ifdef __cplusplus
}
#endif
#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */
#endif /* _INC_SETJMP */