/*** *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_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 { /* * x86 reserved. */ 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; #elif defined(_M_AMD64) typedef __declspec(align(16)) struct _SETJMP_FLOAT128 { unsigned __int64 Part[2]; } SETJMP_FLOAT128; #define _JBLEN 16 typedef SETJMP_FLOAT128 _JBTYPE; #ifndef _INC_SETJMPEX #define setjmp _setjmp #endif 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 __int64 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; #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 */