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Annotation of researchv9/libc/nsys/syscall.s, revision 1.1

1.1     ! root        1:        .globl  _syscall
        !             2:        .comm   _errno,4
        !             3: _syscall:
        !             4:        movl    sp@(4),d0       | syscall number
        !             5:        movl    sp@+,sp@        | fix arguments
        !             6:        linkw   a6,#0
        !             7:        movl    d0,sp@-         | place syscall number on back on stack
        !             8:        trap    #0
        !             9:        unlk    a6
        !            10:        bcs     L1
        !            11:        movl    sp@,sp@-        | restore stack
        !            12:        movl    d0,a0           | for sbreak
        !            13:        rts
        !            14: L1:
        !            15:        movl    sp@,sp@-        | restore stack
        !            16:        movl    d0,_errno
        !            17:        movl    #-1,d0
        !            18:        movl    d0,a0
        !            19:        rts

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