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Annotation of coherent/b/kernel/emulator/exception.h, revision 1.1

1.1     ! root        1: /*---------------------------------------------------------------------------+
        !             2:  |  exception.h                                                              |
        !             3:  |                                                                           |
        !             4:  | Copyright (C) 1992    W. Metzenthen, 22 Parker St, Ormond, Vic 3163,      |
        !             5:  |                       Australia.  E-mail [email protected]    |
        !             6:  |                                                                           |
        !             7:  +---------------------------------------------------------------------------*/
        !             8: 
        !             9: #ifndef _EXCEPTION_H_
        !            10: #define _EXCEPTION_H_
        !            11: 
        !            12: 
        !            13: #ifdef __ASSEMBLER__
        !            14: #define        Const_(x)       $##x
        !            15: #else
        !            16: #define        Const_(x)       x
        !            17: #endif
        !            18: 
        !            19: #ifndef SW_C1
        !            20: #include "fpu_emu.h"
        !            21: #endif SW_C1
        !            22: 
        !            23: #define FPU_BUSY        Const_(0x8000)   /* FPU busy bit (8087 compatibility) */
        !            24: #define EX_ErrorSummary Const_(0x0080)   /* Error summary status */
        !            25: /* Special exceptions: */
        !            26: #define        EX_INTERNAL     Const_(0x8000)  /* Internal error in wm-FPU-emu */
        !            27: #define EX_StackOver   Const_(0x0041|SW_C1)    /* stack overflow */
        !            28: #define EX_StackUnder  Const_(0x0041)  /* stack underflow */
        !            29: /* Exception flags: */
        !            30: #define EX_Precision   Const_(0x0020)  /* loss of precision */
        !            31: #define EX_Underflow   Const_(0x0010)  /* underflow */
        !            32: #define EX_Overflow    Const_(0x0008)  /* overflow */
        !            33: #define EX_ZeroDiv     Const_(0x0004)  /* divide by zero */
        !            34: #define EX_Denormal    Const_(0x0002)  /* denormalized operand */
        !            35: #define EX_Invalid     Const_(0x0001)  /* invalid operation */
        !            36: 
        !            37: 
        !            38: #ifndef __ASSEMBLER__
        !            39: 
        !            40: #ifdef DEBUG
        !            41: #define        EXCEPTION(x)    { printf("exception in %s at line %d\n", \
        !            42:        __FILE__, __LINE__); exception(x); }
        !            43: #else
        !            44: #define        EXCEPTION(x)    exception(x)
        !            45: #endif
        !            46: 
        !            47: #endif __ASSEMBLER__
        !            48: 
        !            49: #endif _EXCEPTION_H_

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