275 lines
7.4 KiB
C
275 lines
7.4 KiB
C
/***
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*excpt.h - defines exception values, types and routines
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*
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* Copyright (c) 1990-2001, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* This file contains the definitions and prototypes for the compiler-
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* dependent intrinsics, support functions and keywords which implement
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* the structured exception handling extensions.
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*
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* [Public]
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*
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*Revision History:
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* 11-01-91 GJF Module created. Basically a synthesis of except.h
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* and excpt.h and intended as a replacement for
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* both.
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* 12-13-91 GJF Fixed build for Win32.
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* 05-05-92 SRW C8 wants C6 style names for now.
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* 07-20-92 SRW Moved from winxcpt.h to excpt.h
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* 08-06-92 GJF Function calling type and variable type macros. Also
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* revised compiler/target processor macro usage.
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* 11-09-92 GJF Fixed preprocessing conditionals for MIPS. Also,
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* fixed some compiler warning (fix from/for RichardS).
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* 01-03-93 SRW Fold in ALPHA changes
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* 01-04-93 SRW Add leave keyword for x86
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* 01-09-93 SRW Remove usage of MIPS and ALPHA to conform to ANSI
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* Use _MIPS_ and _ALPHA_ instead.
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* 01-21-93 GJF Removed support for C6-386's _cdecl.
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* 02-18-93 GJF Changed _try to __try, etc.
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* 03-31-93 CFW Removed #define try, except, leave, finally for x86.
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* 04-06-93 SKS Replace _CRTAPI1/2 with __cdecl, _CRTVAR1 with nothing
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* 07-29-93 GJF Added declarations for _First_FPE_Indx and _Num_FPE.
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* 09-01-93 GJF Merged Cuda and NT SDK versions.
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* 10-04-93 SRW Fix ifdefs for MIPS and ALPHA to only check for _M_??????
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* defines
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* 10-12-93 GJF Merged again.
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* 10-19-93 GJF MS/MIPS compiler gets most of the same SEH defs and
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* decls as the MS compiler for the X86.
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* 10-29-93 GJF Don't #define try, et al, when compiling C++ app!
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* 12-09-93 GJF Alpha compiler now has MS front-end and implements
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* the same SEH names.
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* 11-03-94 GJF Ensure 8 byte alignment.
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* 02-11-95 CFW Add _CRTBLD to avoid users getting wrong headers.
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* 02-14-95 CFW Clean up Mac merge.
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* 12-14-95 JWM Add "#pragma once".
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* 02-21-97 GJF Cleaned out obsolete support for _CRTAPI* and _NTSDK.
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* Also, detab-ed.
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* 09-30-97 JWM Restored not-so-obsolete _CRTAPI1 support.
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* 10-07-97 RDL Added IA64.
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* 11-12-97 RDL __C_specific_handler() prototype change from SC.
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* 05-13-99 PML Remove _CRTAPI1
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* 05-17-99 PML Remove all Macintosh support.
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*
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****/
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#if _MSC_VER > 1000 /*IFSTRIP=IGN*/
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#pragma once
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#endif
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#ifndef _INC_EXCPT
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#define _INC_EXCPT
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#if !defined(_WIN32)
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#error ERROR: Only Win32 target supported!
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#endif
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#ifndef _CRTBLD
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/* This version of the header files is NOT for user programs.
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* It is intended for use when building the C runtimes ONLY.
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* The version intended for public use will not have this message.
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*/
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#error ERROR: Use of C runtime library internal header file.
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#endif /* _CRTBLD */
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#ifdef _MSC_VER
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/*
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* Currently, all MS C compilers for Win32 platforms default to 8 byte
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* alignment.
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*/
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#pragma pack(push,8)
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#endif /* _MSC_VER */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _INTERNAL_IFSTRIP_
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#include <cruntime.h>
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#endif /* _INTERNAL_IFSTRIP_ */
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/* Define _CRTIMP */
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#ifndef _CRTIMP
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#ifdef CRTDLL
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#define _CRTIMP __declspec(dllexport)
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#else /* ndef CRTDLL */
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#ifdef _DLL
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#define _CRTIMP __declspec(dllimport)
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#else /* ndef _DLL */
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#define _CRTIMP
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#endif /* _DLL */
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#endif /* CRTDLL */
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#endif /* _CRTIMP */
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/* Define __cdecl for non-Microsoft compilers */
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#if ( !defined(_MSC_VER) && !defined(__cdecl) )
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#define __cdecl
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#endif
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/*
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* Exception disposition return values.
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*/
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typedef enum _EXCEPTION_DISPOSITION {
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ExceptionContinueExecution,
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ExceptionContinueSearch,
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ExceptionNestedException,
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ExceptionCollidedUnwind
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} EXCEPTION_DISPOSITION;
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/*
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* Prototype for SEH support function.
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*/
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#ifdef _M_IX86
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/*
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* Declarations to keep MS C 8 (386/486) compiler happy
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*/
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struct _EXCEPTION_RECORD;
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struct _CONTEXT;
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EXCEPTION_DISPOSITION __cdecl _except_handler (
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struct _EXCEPTION_RECORD *ExceptionRecord,
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void * EstablisherFrame,
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struct _CONTEXT *ContextRecord,
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void * DispatcherContext
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);
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#elif defined(_M_MRX000) || defined(_M_ALPHA) || defined(_M_PPC) || defined(_M_IA64)
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/*
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* Declarations to keep MIPS, ALPHA, and PPC compiler happy
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*/
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typedef struct _EXCEPTION_POINTERS *Exception_info_ptr;
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struct _EXCEPTION_RECORD;
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struct _CONTEXT;
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struct _DISPATCHER_CONTEXT;
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#if defined(_M_IA64)
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_CRTIMP EXCEPTION_DISPOSITION __C_specific_handler (
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struct _EXCEPTION_RECORD *ExceptionRecord,
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unsigned __int64 MemoryStackFp,
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unsigned __int64 BackingStoreFp,
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struct _CONTEXT *ContextRecord,
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struct _DISPATCHER_CONTEXT *DispatcherContext,
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unsigned __int64 GlobalPointer
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);
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#else
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_CRTIMP EXCEPTION_DISPOSITION __C_specific_handler (
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struct _EXCEPTION_RECORD *ExceptionRecord,
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void *EstablisherFrame,
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struct _CONTEXT *ContextRecord,
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struct _DISPATCHER_CONTEXT *DispatcherContext
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);
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#endif // defined(_M_IA64)
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#endif
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/*
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* Keywords and intrinsics for SEH
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*/
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#ifdef _MSC_VER
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#define GetExceptionCode _exception_code
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#define exception_code _exception_code
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#define GetExceptionInformation (struct _EXCEPTION_POINTERS *)_exception_info
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#define exception_info (struct _EXCEPTION_POINTERS *)_exception_info
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#define AbnormalTermination _abnormal_termination
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#define abnormal_termination _abnormal_termination
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unsigned long __cdecl _exception_code(void);
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void * __cdecl _exception_info(void);
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int __cdecl _abnormal_termination(void);
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#endif
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/*
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* Legal values for expression in except().
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*/
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#define EXCEPTION_EXECUTE_HANDLER 1
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#define EXCEPTION_CONTINUE_SEARCH 0
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#define EXCEPTION_CONTINUE_EXECUTION -1
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#ifndef _INTERNAL_IFSTRIP_
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/*
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* for convenience, define a type name for a pointer to signal-handler
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*/
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typedef void (__cdecl * _PHNDLR)(int);
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/*
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* Exception-action table used by the C runtime to identify and dispose of
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* exceptions corresponding to C runtime errors or C signals.
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*/
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struct _XCPT_ACTION {
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/*
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* exception code or number. defined by the host OS.
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*/
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unsigned long XcptNum;
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/*
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* signal code or number. defined by the C runtime.
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*/
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int SigNum;
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/*
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* exception action code. either a special code or the address of
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* a handler function. always determines how the exception filter
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* should dispose of the exception.
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*/
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_PHNDLR XcptAction;
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};
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extern struct _XCPT_ACTION _XcptActTab[];
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/*
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* number of entries in the exception-action table
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*/
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extern int _XcptActTabCount;
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/*
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* size of exception-action table (in bytes)
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*/
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extern int _XcptActTabSize;
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/*
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* index of the first floating point exception entry
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*/
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extern int _First_FPE_Indx;
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/*
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* number of FPE entries
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*/
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extern int _Num_FPE;
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/*
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* return values and prototype for the exception filter function used in the
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* C startup
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*/
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int __cdecl _XcptFilter(unsigned long, struct _EXCEPTION_POINTERS *);
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#endif /* _INTERNAL_IFSTRIP_ */
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#ifdef __cplusplus
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}
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#endif
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#ifdef _MSC_VER
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#pragma pack(pop)
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#endif /* _MSC_VER */
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#endif /* _INC_EXCPT */
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