usr/src/libc/sys/execve.s

/ C library -- execve

/ execve(file, argv, env);
/
/ where argv is a vector argv[0] ... argv[x], 0
/ last vector element must be 0

.globl  _execve
.globl  cerror
.exece  = 59.

_execve:
        mov     r5,-(sp)
        mov     sp,r5
        mov     4(r5),0f
        mov     6(r5),0f+2
        mov     8(r5),0f+4
        sys     0; 9f
        jmp     cerror
.data
9:
        sys     .exece; 0:..; ..; ..