/*** *setjmp.h - definitions/declarations for setjmp/longjmp routines * * Copyright (c) 1985-1993, 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] * *Revision History: * 12-11-87 JCR Added "_loadds" functionality * 12-18-87 JCR Added _FAR_ to declarations * 02-10-88 JCR Cleaned up white space * 05-03-89 JCR Added _INTERNAL_IFSTRIP for relinc usage * 08-15-89 GJF Cleanup, now specific to OS/2 2.0 (i.e., 386 flat model) * 10-30-89 GJF Fixed copyright * 11-02-89 JCR Changed "DLL" to "_DLL" * 03-01-90 GJF Added #ifndef _INC_SETJMP and #include * stuff. Also, removed some (now) useless preprocessor * directives. * 04-10-90 GJF Replaced _cdecl with _CALLTYPE1. * 05-18-90 GJF Revised for SEH. * 10-30-90 GJF Moved definition of _JBLEN into cruntime.h. * 02-25-91 SRW Moved definition of _JBLEN back here [_WIN32_] * 04-09-91 PNT Added _MAC_ definitions * 04-17-91 SRW Fixed definition of _JBLEN for i386 and MIPS to not * include the * sizeof(int) factor [_WIN32_] * 05-09-91 GJF Moved _JBLEN defs back to cruntime.h. Also, turn on * intrinsic _setjmp for Dosx32. * 08-27-91 GJF #ifdef out everything for C++. * 08-29-91 JCR ANSI naming * 11-01-91 GDP MIPS compiler support -- Moved _JBLEN back here * 01-16-92 GJF Fixed _JBLEN and map to _setjmp intrinsic for i386 * target [_WIN32_]. * 05-08-92 GJF Changed _JBLEN to support C8-32 (support for C6-386 has * been dropped). * 08-06-92 GJF Function calling type and variable type macros. Revised * use of compiler/target processor macros. * 11-09-92 GJF Fixed some preprocessing conditionals. * 01-03-93 SRW Fold in ALPHA changes * 01-09-93 SRW Remove usage of MIPS and ALPHA to conform to ANSI * Use _MIPS_ and _ALPHA_ instead. * 01-21-93 GJF Removed support for C6-386's _cdecl. * 02-20-93 GJF Per ChuckG and MartinO, setjmp/longjmp to used in * C++ programs. * 03-23-93 SRW Change _JBLEN for MIPS in preparation for SetJmpEx * 04-23-93 SRW Added _JBTYPE and finalized setjmpex support. * 06-09-93 SRW Missing one line in previous merge. * 10-04-93 SRW Fix ifdefs for MIPS and ALPHA to only check for _M_?????? defines * 01-12-93 PML Increased x86 _JBLEN from 8 to 16. Added new fields * to _JUMP_BUFFER for use with C9.0. * ****/ #ifndef _INC_SETJMP #ifdef __cplusplus extern "C" { #endif #ifndef _INTERNAL_IFSTRIP_ #include #endif /* _INTERNAL_IFSTRIP_ */ /* * Conditional macro definition for function calling type and variable type * qualifiers. */ #if ( (_MSC_VER >= 800) && (_M_IX86 >= 300) ) /* * Definitions for MS C8-32 (386/486) compiler */ #define _CRTAPI1 __cdecl #define _CRTAPI2 __cdecl #else /* * Other compilers (e.g., MIPS) */ #define _CRTAPI1 #define _CRTAPI2 #endif /* * Definitions specific to particular setjmp implementations. */ #if defined(_M_IX86) /* * MS C8-32 or older MS C6-386 compilers */ #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) /* * All MIPS implementations need _JBLEN of 16 */ #define _JBLEN 16 #define _JBTYPE double #define _setjmp setjmp /* * 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. */ #define _setjmp setjmp #ifdef _MSC_VER #ifndef _INC_SETJMPEX #undef _setjmp #define setjmp _setjmp #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 { unsigned long Fp; unsigned long Pc; unsigned long Seb; unsigned long Type; 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[5]; } _JUMP_BUFFER; #elif defined(_M_PPC) /* * 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 _setjmp setjmp /* * 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; #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 _CRTAPI1 setjmp(jmp_buf); void _CRTAPI1 longjmp(jmp_buf, int); #ifdef __cplusplus } #endif #define _INC_SETJMP #endif /* _INC_SETJMP */