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EXCPT.H
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C/C++ Source or Header
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1997-02-28
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13KB
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410 lines
/***
*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 8.0
*
* Copyright (c) 1990, 1997 by Borland International
* All Rights Reserved.
*
*/
#ifndef __EXCPT_H
#define __EXCPT_H
#pragma option -b
#ifdef __cplusplus
extern "C" {
#endif
#if defined(__BORLANDC__) && !defined(__FLAT__)
#if !defined(__WINDOWS_H)
typedef unsigned char BYTE;
typedef unsigned long DWORD;
typedef void __far * LPVOID;
typedef unsigned int UINT;
typedef DWORD __far * LPDWORD;
#define WINAPI _far _pascal
#endif
/* From WINNT.H */
//
// Define the size of the 80387 save area, which is in the context frame.
//
#define SIZE_OF_80387_REGISTERS 80
typedef struct _FLOATING_SAVE_AREA {
DWORD ControlWord;
DWORD StatusWord;
DWORD TagWord;
DWORD ErrorOffset;
DWORD ErrorSelector;
DWORD DataOffset;
DWORD DataSelector;
BYTE RegisterArea[SIZE_OF_80387_REGISTERS];
DWORD Cr0NpxState;
} FLOATING_SAVE_AREA;
//
// Context Frame
//
// This frame has a several purposes: 1) it is used as an argument to
// NtContinue, 2) is is used to constuct a call frame for APC delivery,
// and 3) it is used in the user level thread creation routines.
//
// The layout of the record conforms to a standard call frame.
//
typedef struct _CONTEXT {
//
// The flags values within this flag control the contents of
// a CONTEXT record.
//
// If the context record is used as an input parameter, then
// for each portion of the context record controlled by a flag
// whose value is set, it is assumed that that portion of the
// context record contains valid context. If the context record
// is being used to modify a threads context, then only that
// portion of the threads context will be modified.
//
// If the context record is used as an IN OUT parameter to capture
// the context of a thread, then only those portions of the thread's
// context corresponding to set flags will be returned.
//
// The context record is never used as an OUT only parameter.
//
DWORD ContextFlags;
//
// This section is specified/returned if CONTEXT_DEBUG_REGISTERS is
// set in ContextFlags. Note that CONTEXT_DEBUG_REGISTERS is NOT
// included in CONTEXT_FULL.
//
DWORD Dr0;
DWORD Dr1;
DWORD Dr2;
DWORD Dr3;
DWORD Dr6;
DWORD Dr7;
//
// This section is specified/returned if the
// ContextFlags word contians the flag CONTEXT_FLOATING_POINT.
//
FLOATING_SAVE_AREA FloatSave;
//
// This section is specified/returned if the
// ContextFlags word contians the flag CONTEXT_SEGMENTS.
//
DWORD SegGs;
DWORD SegFs;
DWORD SegEs;
DWORD SegDs;
//
// This section is specified/returned if the
// ContextFlags word contians the flag CONTEXT_INTEGER.
//
DWORD Edi;
DWORD Esi;
DWORD Ebx;
DWORD Edx;
DWORD Ecx;
DWORD Eax;
//
// This section is specified/returned if the
// ContextFlags word contians the flag CONTEXT_CONTROL.
//
DWORD Ebp;
DWORD Eip;
DWORD SegCs; // MUST BE SANITIZED
DWORD EFlags; // MUST BE SANITIZED
DWORD Esp;
DWORD SegSs;
} CONTEXT;
typedef CONTEXT *PCONTEXT;
/* From WINNT.H */
#define STATUS_WAIT_0 ((DWORD )0x00000000L)
#define STATUS_ABANDONED_WAIT_0 ((DWORD )0x00000080L)
#define STATUS_USER_APC ((DWORD )0x000000C0L)
#define STATUS_TIMEOUT ((DWORD )0x00000102L)
#define STATUS_PENDING ((DWORD )0x00000103L)
#define STATUS_DATATYPE_MISALIGNMENT ((DWORD )0x80000002L)
#define STATUS_BREAKPOINT ((DWORD )0x80000003L)
#define STATUS_SINGLE_STEP ((DWORD )0x80000004L)
#define STATUS_ACCESS_VIOLATION ((DWORD )0xC0000005L)
#define STATUS_IN_PAGE_ERROR ((DWORD )0xC0000006L)
#define STATUS_NO_MEMORY ((DWORD )0xC0000017L)
#define STATUS_ILLEGAL_INSTRUCTION ((DWORD )0xC000001DL)
#define STATUS_NONCONTINUABLE_EXCEPTION ((DWORD )0xC0000025L)
#define STATUS_INVALID_DISPOSITION ((DWORD )0xC0000026L)
#define STATUS_ARRAY_BOUNDS_EXCEEDED ((DWORD )0xC000008CL)
#define STATUS_FLOAT_DENORMAL_OPERAND ((DWORD )0xC000008DL)
#define STATUS_FLOAT_DIVIDE_BY_ZERO ((DWORD )0xC000008EL)
#define STATUS_FLOAT_INEXACT_RESULT ((DWORD )0xC000008FL)
#define STATUS_FLOAT_INVALID_OPERATION ((DWORD )0xC0000090L)
#define STATUS_FLOAT_OVERFLOW ((DWORD )0xC0000091L)
#define STATUS_FLOAT_STACK_CHECK ((DWORD )0xC0000092L)
#define STATUS_FLOAT_UNDERFLOW ((DWORD )0xC0000093L)
#define STATUS_INTEGER_DIVIDE_BY_ZERO ((DWORD )0xC0000094L)
#define STATUS_INTEGER_OVERFLOW ((DWORD )0xC0000095L)
#define STATUS_PRIVILEGED_INSTRUCTION ((DWORD )0xC0000096L)
#define STATUS_STACK_OVERFLOW ((DWORD )0xC00000FDL)
#define STATUS_CONTROL_C_EXIT ((DWORD )0xC000013AL)
/* 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
//
// Exception record definition.
//
typedef struct _EXCEPTION_RECORD {
DWORD ExceptionCode;
DWORD ExceptionFlags;
struct _EXCEPTION_RECORD __ss *ExceptionRecord;
LPVOID ExceptionAddress;
UINT NumberParameters;
DWORD ExceptionInformation[EXCEPTION_MAXIMUM_PARAMETERS];
} EXCEPTION_RECORD;
typedef EXCEPTION_RECORD __ss *PEXCEPTION_RECORD;
//
// Typedef for pointer returned by exception_info()
//
typedef struct _EXCEPTION_POINTERS {
PEXCEPTION_RECORD ExceptionRecord;
PCONTEXT ContextRecord;
} EXCEPTION_POINTERS, __ss *PEXCEPTION_POINTERS;
/* From WINBASE.H */
#define EXCEPTION_ACCESS_VIOLATION STATUS_ACCESS_VIOLATION
#define EXCEPTION_DATATYPE_MISALIGNMENT STATUS_DATATYPE_MISALIGNMENT
#define EXCEPTION_BREAKPOINT STATUS_BREAKPOINT
#define EXCEPTION_SINGLE_STEP STATUS_SINGLE_STEP
#define EXCEPTION_ARRAY_BOUNDS_EXCEEDED STATUS_ARRAY_BOUNDS_EXCEEDED
#define EXCEPTION_FLT_DENORMAL_OPERAND STATUS_FLOAT_DENORMAL_OPERAND
#define EXCEPTION_FLT_DIVIDE_BY_ZERO STATUS_FLOAT_DIVIDE_BY_ZERO
#define EXCEPTION_FLT_INEXACT_RESULT STATUS_FLOAT_INEXACT_RESULT
#define EXCEPTION_FLT_INVALID_OPERATION STATUS_FLOAT_INVALID_OPERATION
#define EXCEPTION_FLT_OVERFLOW STATUS_FLOAT_OVERFLOW
#define EXCEPTION_FLT_STACK_CHECK STATUS_FLOAT_STACK_CHECK
#define EXCEPTION_FLT_UNDERFLOW STATUS_FLOAT_UNDERFLOW
#define EXCEPTION_INT_DIVIDE_BY_ZERO STATUS_INTEGER_DIVIDE_BY_ZERO
#define EXCEPTION_INT_OVERFLOW STATUS_INTEGER_OVERFLOW
#define EXCEPTION_PRIV_INSTRUCTION STATUS_PRIVILEGED_INSTRUCTION
#define EXCEPTION_IN_PAGE_ERROR STATUS_IN_PAGE_ERROR
void
__cdecl __far
RaiseException(
DWORD dwExceptionCode,
DWORD dwExceptionFlags,
DWORD nNumberOfArguments,
const LPDWORD lpArguments
);
long
WINAPI
UnhandledExceptionFilter(PEXCEPTION_POINTERS ExceptionInfo);
typedef long (WINAPI *PTOP_LEVEL_EXCEPTION_FILTER)(
PEXCEPTION_POINTERS ExceptionInfo
);
typedef PTOP_LEVEL_EXCEPTION_FILTER LPTOP_LEVEL_EXCEPTION_FILTER;
LPTOP_LEVEL_EXCEPTION_FILTER
WINAPI
SetUnhandledExceptionFilter(
LPTOP_LEVEL_EXCEPTION_FILTER lpTopLevelExceptionFilter
);
#endif /* __BORLANDC__ && !__FLAT__ */
/*
* 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++
*/
#ifndef __cplusplus
# define try __try
# define finally __finally
# define AbnormalTermination() __abnormal_termination
# define abnormal_termination() __abnormal_termination
#endif
# define except __except
# define GetExceptionCode() __exception_code
# define exception_code() __exception_code
# define GetExceptionInformation() ((PEXCEPTION_POINTERS)__exception_info)
# define exception_info() ((PEXCEPTION_POINTERS)__exception_info)
#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 -b.
#endif /* __EXCPT_H */