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94 lines
2.3 KiB
94 lines
2.3 KiB
;***
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;except.inc - definitions for exception handling
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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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; Structure and constant definitions used by exception handling code.
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;
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;Revision History:
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; 07-19-90 GJF Module created.
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; 08-28-90 GJF Added some definitions of exceptions.
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; 10-19-90 GJF Revised some constants to agree with the definitions in
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; \\os2rel\public!2.0\h\bsexcpt.h (dated 10-1-90).
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; 07-30-91 GJF Different values of _XCPT_CONTINUE_[SEARCH|EXECUTION]
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; for Cruiser and Win32 [_WIN32_].
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; 09-07-94 CFW Remove _CRUISER.
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;
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;*******************************************************************************
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; structure used by SEH support function and intrinsics. the information
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; passed by the OS exception dispatcher is repackaged in this form by the
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; runtime (_except_handler()).
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__EXCEPTION_INFO_PTRS struc
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preport dd ?
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pcontext dd ?
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__EXCEPTION_INFO_PTRS ends
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; exception registration record structure.
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__EXCEPTIONREGISTRATIONRECORD struc
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prev_structure dd ?
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ExceptionHandler dd ?
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ExceptionFilter dd ?
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FilterFrame dd ?
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PExceptionInfoPtrs dd ?
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__EXCEPTIONREGISTRATIONRECORD ends
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; size of exception registration record in double words
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DWORDS_IN_XREGREC equ 5
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; exception report record
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__EXCEPTIONREPORTRECORD struc
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ExceptionNum dd ?
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fHandlerFlags dd ?
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ExceptionReportRecord dd ?
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ExceptionAddress dd ?
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cParameters dd ?
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ExceptionInfo dd 4 dup (?)
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__EXCEPTIONREPORTRECORD ends
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; setjmp/longjmp buffer (i.e., structure underlying jmp_buf array)
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_JMP_BUF struc
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ebpsave dd ?
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ebxsave dd ?
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edisave dd ?
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esisave dd ?
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espsave dd ?
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retsave dd ?
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xcptsave dd ?
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_JMP_BUF ends
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; exceptions corresponding to C runtime errors (these are explicitly
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; referenced in the startup code)
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_XCPT_UNABLE_TO_GROW_STACK equ 080010001h
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_XCPT_INTEGER_DIVIDE_BY_ZERO equ 0C000009Bh
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_XCPT_NONCONTINUABLE_EXCEPTION equ 0C0000024h
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_XCPT_INVALID_DISPOSITION equ 0C0000025h
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_XCPT_SIGABRT equ 020000001h
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; unwind settings in fHandlerFlags
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_EH_UNWINDING equ 2
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_EH_EXIT_UNWIND equ 4
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UNWIND equ _EH_UNWINDING OR _EH_EXIT_UNWIND
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; return values (to the exception dispatcher)
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IFDEF _WIN32
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_XCPT_CONTINUE_SEARCH equ 000000001h
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_XCPT_CONTINUE_EXECUTION equ 000000000h
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ENDIF
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