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Diffstat (limited to '')
| -rw-r--r-- | public/sdk/inc/posix/setjmp.h | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/public/sdk/inc/posix/setjmp.h b/public/sdk/inc/posix/setjmp.h new file mode 100644 index 000000000..afcba1ce0 --- /dev/null +++ b/public/sdk/inc/posix/setjmp.h @@ -0,0 +1,269 @@ +/*** +*setjmp.h - definitions/declarations for setjmp/longjmp routines +* +* Copyright (c) 1985-1996, 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] +* +* The setjmp() that will be used by those who include this file +* is _setjmpex, which is safe for use with try/except/finally, +* but is slow. See <crt/setjmpex.h> and <crt/setjmp.h> for more. +* +****/ + +#ifndef _INC_SETJMP + +#include <signal.h> + +#ifndef __cplusplus + + +/* + * 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 + +#elif ( _MSC_VER == 600 ) + +/* + * Definitions for old MS C6-386 compiler + */ +#define _CRTAPI1 _cdecl +#define _CRTAPI2 _cdecl +#define _M_IX86 300 + +#else + +/* + * Other compilers (e.g., MIPS) + */ +#define _CRTAPI1 +#define _CRTAPI2 + +#endif + +/* + * Posix programs use _setjmpex by default. + */ + + +/* + * Definitions specific to particular setjmp implementations. + */ +#if defined(_M_IX86) +#define longjmp _longjmpex +#define setjmp _setjmp + +/* + * MS C8-32 or older MS C6-386 compilers + */ +#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) || defined(_MIPS_) ) + +/* + * 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 Type; + unsigned long Fir; +} _JUMP_BUFFER; + +#elif defined(_ALPHA_) + +/* + * Alpha implementations need a _JBLEN of 20 quadwords. + * A double is used only to obtain quadword size and alignment. + */ + +#define _JBLEN 20 +#define _JBTYPE double +#define _setjmp setjmp + +/* + * 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; +} _JUMP_BUFFER; + +#elif defined(_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 /* MIPS/Alpha/PPC */ + +/* define the buffer type for holding the state information */ + +#ifndef _JMP_BUF_DEFINED +typedef _JBTYPE jmp_buf[_JBLEN]; +#define _JMP_BUF_DEFINED +#endif + +#ifndef _SIGJMP_BUF_DEFINED +#define _SIGJMP_BUF_DEFINED +/* + * sigjmp buf is just a jmp_buf plus an int to say whether the sigmask + * is saved or not, and a sigmask_t for the mask if it is saved. + */ + +typedef _JBTYPE sigjmp_buf[_JBLEN + 2]; +#endif /* _SIGJMP_BUF_DEFINED */ + +extern _JBTYPE * _CRTAPI1 _sigjmp_store_mask(sigjmp_buf, int); + +#define sigsetjmp(_env, _save) \ + setjmp(_sigjmp_store_mask((_env), (_save))) + +/* function prototypes */ + +int _CRTAPI1 setjmp(jmp_buf); +void _CRTAPI1 longjmp(jmp_buf, int); +void _CRTAPI1 siglongjmp(sigjmp_buf, int); + +/* function prototypes */ + +#endif /* __cplusplus */ + +#define _INC_SETJMP +#endif /* _INC_SETJMP */ |