Lines Matching refs:a0
58 movl 4(%sp),%a0 /* save area pointer */
59 clrl (%a0)+ /* no old onstack */
60 clrl (%a0)+ /* no old sigmask */
61 movl %sp,(%a0)+ /* save old SP */
62 movl %a6,(%a0)+ /* save old FP */
63 clrl (%a0)+ /* no old AP */
64 movl (%sp),(%a0)+ /* save old PC */
65 clrl (%a0)+ /* clear PS */
66 moveml #0x3CFC,(%a0) /* save other non-scratch regs */
72 movl 4(%sp),%a0 /* save area pointer */
73 addql #8,%a0 /* skip onstack/sigmask */
74 tstl (%a0) /* ensure non-zero SP */
80 movl (%a0)+,%sp /* restore SP */
81 movl (%a0)+,%a6 /* restore FP */
82 addql #4,%a0 /* skip AP */
83 movl (%a0)+,(%sp) /* restore PC */
84 moveml 4(%a0),#0x3CFC /* restore non-scratch regs */