excpt.h

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/***
*excpt.h - defines exception values, types and routines
*
*Purpose:
*   This file contains the definitions and prototypes for the compiler-
*   dependent intrinsics, support functions and keywords which implement
*   the structured exception handling extensions.
*
****/

/*
 *      C/C++ Run Time Library - Version 10.0
 *
 *      Copyright (c) 1990, 2000 by Inprise Corporation
 *      All Rights Reserved.
 *
 */




#ifndef __EXCPT_H
#pragma option push -b -a8 -pc -A- /*P_O_Push*/
#define __EXCPT_H

#ifdef __cplusplus
extern "C" {
#endif

/*
 * Conditional macro definition for function calling type and variable type
 * qualifiers.
 */
#if   ( (_MSC_VER >= 800) && (_M_IX86 >= 300) ) || defined(__BORLANDC__)

/* From WINNT.H */
#define EXCEPTION_CONTINUABLE        0      // Continuable exception
#define EXCEPTION_NONCONTINUABLE     0x1    // Noncontinuable exception
#define EXCEPTION_MAXIMUM_PARAMETERS 15     // maximum number of exception parameters

/*
 * 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.
 */

#if defined(_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(_MIPS_) || defined(_ALPHA_)

/*
 * Declarations to keep MIPS and ALPHA 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
 */

#if defined(__BORLANDC__)
/*
 * Borland C++
 */

/* NOTE: To use the old style structured exception handling routines, include
         the SEHMAP.H header file.
*/

#  define GetExceptionCode()        __exception_code
#  define GetExceptionInformation() ((PEXCEPTION_POINTERS)__exception_info)
#  define AbnormalTermination()     __abnormal_termination


#elif     ( _MSC_VER >= 800 )
/*
 * MS C8-32 (386/486)
 */
#define try                             __try
#define except                          __except
#define finally                         __finally
#define leave                           __leave
#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);

#elif defined(_M_MRX000) || defined(_MIPS_) || defined(_ALPHA_)
/*
 * MIPS or ALPHA compiler
 */
#define try                             __builtin_try
#define except                          __builtin_except
#define finally                         __builtin_finally
#define leave                           __builtin_leave
#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

extern unsigned long __exception_code;
extern int           __exception_info;
extern int           __abnormal_termination;

#endif


/*
 * Legal values for expression in except().
 */

#define EXCEPTION_EXECUTE_HANDLER        1
#define EXCEPTION_CONTINUE_SEARCH        0
#define EXCEPTION_CONTINUE_EXECUTION    -1

#ifdef __cplusplus
}
#endif

#pragma option pop /*P_O_Pop*/
#endif  /* __EXCPT_H */