/*** *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 */