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Diffstat (limited to 'private/crt32/h/excpt.h')
| -rw-r--r-- | private/crt32/h/excpt.h | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/private/crt32/h/excpt.h b/private/crt32/h/excpt.h new file mode 100644 index 000000000..c73e08d29 --- /dev/null +++ b/private/crt32/h/excpt.h @@ -0,0 +1,209 @@ +/*** +*excpt.h - defines exception values, types and routines +* +* Copyright (c) 1990-1993, Microsoft Corporation. All rights reserved. +* +*Purpose: +* This file contains the definitions and prototypes for the compiler- +* dependent intrinsics, support functions and keywords which implement +* the structured exception handling extensions. +* +*Revision History: +* 11-01-91 GJF Module created. Basically a synthesis of except.h +* and excpt.h and intended as a replacement for +* both. +* 12-13-91 GJF Fixed build for Win32. +* 05-05-92 SRW C8 wants C6 style names for now. +* 07-20-92 SRW Moved from winxcpt.h to excpt.h +* 08-06-92 GJF Function calling type and variable type macros. Also +* revised compiler/target processor macro usage. +* 11-09-92 GJF Fixed preprocessing conditionals for MIPS. Also, +* fixed some compiler warning (fix from/for RichardS). +* 01-03-93 SRW Fold in ALPHA changes +* 01-04-93 SRW Add leave keyword for x86 +* 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. +* 02-18-93 GJF Changed _try to __try, etc. +* 10-04-93 SRW Fix ifdefs for MIPS and ALPHA to only check for _M_?????? defines +* +****/ + +#ifndef _INC_EXCPT + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef _INTERNAL_IFSTRIP_ +#include <cruntime.h> +#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 + + +/* + * Exception disposition return values. + */ +typedef enum _EXCEPTION_DISPOSITION { + ExceptionContinueExecution, + ExceptionContinueSearch, + ExceptionNestedException, + ExceptionCollidedUnwind +} EXCEPTION_DISPOSITION; + + +/* + * Prototype for SEH support function. + */ + +#ifdef _M_IX86 + +/* + * Declarations to keep MS C 8 (386/486) compiler happy + */ +struct _EXCEPTION_RECORD; +struct _CONTEXT; + +EXCEPTION_DISPOSITION _CRTAPI2 _except_handler ( + struct _EXCEPTION_RECORD *ExceptionRecord, + void * EstablisherFrame, + struct _CONTEXT *ContextRecord, + void * DispatcherContext + ); + +#elif defined(_M_MRX000) || defined(_M_ALPHA) || defined(_M_PPC) + +/* + * Declarations to keep MIPS, ALPHA, and PPC compiler happy + */ +typedef struct _EXCEPTION_POINTERS *Exception_info_ptr; +struct _EXCEPTION_RECORD; +struct _CONTEXT; +struct _DISPATCHER_CONTEXT; + + +EXCEPTION_DISPOSITION __C_specific_handler ( + struct _EXCEPTION_RECORD *ExceptionRecord, + void *EstablisherFrame, + struct _CONTEXT *ContextRecord, + struct _DISPATCHER_CONTEXT *DispatcherContext + ); + +#endif + + +/* + * Keywords and intrinsics for SEH + */ + +#ifdef _MSC_VER + +#if !defined(__cplusplus) +#define try __try +#define except __except +#define finally __finally +#define leave __leave +#endif +#define GetExceptionCode() (_exception_code()) +#define exception_code() (_exception_code()) +#define GetExceptionInformation() ((struct _EXCEPTION_POINTERS *)_exception_info()) +#define exception_info() ((struct _EXCEPTION_POINTERS *)_exception_info()) +#define AbnormalTermination() (_abnormal_termination()) +#define abnormal_termination() (_abnormal_termination()) + +unsigned long _CRTAPI1 _exception_code(void); +void * _CRTAPI1 _exception_info(void); +int _CRTAPI1 _abnormal_termination(void); + +#endif + + +/* + * Legal values for expression in except(). + */ + +#define EXCEPTION_EXECUTE_HANDLER 1 +#define EXCEPTION_CONTINUE_SEARCH 0 +#define EXCEPTION_CONTINUE_EXECUTION -1 + + +#ifndef _INTERNAL_IFSTRIP_ +/* + * for convenience, define a type name for a pointer to signal-handler + */ + +typedef void (_CRTAPI1 * _PHNDLR)(int); + +/* + * Exception-action table used by the C runtime to identify and dispose of + * exceptions corresponding to C runtime errors or C signals. + */ +struct _XCPT_ACTION { + + /* + * exception code or number. defined by the host OS. + */ + unsigned long XcptNum; + + /* + * signal code or number. defined by the C runtime. + */ + int SigNum; + + /* + * exception action code. either a special code or the address of + * a handler function. always determines how the exception filter + * should dispose of the exception. + */ + _PHNDLR XcptAction; +}; + +extern struct _XCPT_ACTION _CRTVAR1 _XcptActTab[]; + +/* + * number of entries in the exception-action table + */ + +extern int _CRTVAR1 _XcptActTabCount; + +/* + * size of exception-action table (in bytes) + */ + +extern int _CRTVAR1 _XcptActTabSize; + +/* + * return values and prototype for the exception filter function used in the + * C startup + */ +int _CRTAPI1 _XcptFilter(unsigned long, struct _EXCEPTION_POINTERS *); + +#endif /* _INTERNAL_IFSTRIP_ */ + +#ifdef __cplusplus +} +#endif + +#define _INC_EXCPT +#endif /* _INC_EXCPT */ |