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 */
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