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Annotation of 43BSDReno/sys/tahoealign/Aget_byte.c, revision 1.1

1.1     ! root        1: /*     Aget_byte.c     1.1     86/07/20        */
        !             2: 
        !             3: #include       "../tahoealign/align.h"
        !             4: int get_byte (infop, address)
        !             5: process_info   *infop;
        !             6: char           *address;
        !             7: /*
        !             8: /*     Fetch the byte at the given 'address' from memory.
        !             9: /*     Caveat: It's quite difficult to find a pte reference
        !            10: /*             fault.  So I took the easy way out and just signal
        !            11: /*             an illegal access.
        !            12: /*     
        !            13: /**************************************************/
        !            14: {
        !            15:        register long code;
        !            16: 
        !            17:        code = readable(infop, (long)address, 1);
        !            18:        if ( code == TRUE ) {
        !            19:                return(*address);
        !            20:        } else exception (infop, ILL_ACCESS, address, code);
        !            21: }

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