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Annotation of cci/usr/src/lib/libc/tahoe/sys/syscall.c, revision 1.1.1.2

1.1       root        1: /* syscall.c 4.2 83/06/27 */
                      2: 
                      3: #include "SYS.h"
                      4: 
                      5: ENTRY(syscall)
1.1.1.2 ! root        6:        pushl   4(fp)           # syscall number
        !             7:        movl    fp,r0           # point to the arg list
        !             8:        movl    -4(fp),r1       # (arg_count + 1) (bytes) | mask
        !             9:        andl2   $0xFFFF,r1      # clear the mask bits
        !            10:        shrl    $2,r1,r1        # convert to words
        !            11:        subl2   $2,r1           # don't count the first arg
        !            12: 1:
        !            13:        addl2   $4,r0           # point to the next arg
        !            14:        movl    4(r0),(r0)      # move an arg down
        !            15:        decl    r1              # count it
        !            16:        jgtr    1b              # any more?
        !            17:        movl    (sp)+,r0        # no, get the syscall number back
1.1       root       18:        kcall   r0
                     19:        jcs     1f
                     20:        ret
                     21: 1:
                     22:        jmp     cerror

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