github.com/afumu/libc@v0.0.6/musl/src/process/sh/vfork.s (about)

     1  .global vfork
     2  .type vfork,@function
     3  vfork:
     4  	mov #95, r3
     5  	add r3, r3
     6  
     7  	trapa #31
     8  	or    r0, r0
     9  	or    r0, r0
    10  	or    r0, r0
    11  	or    r0, r0
    12  	or    r0, r0
    13  
    14  	mov r0, r4
    15  	mov.l 1f, r0
    16  2:	braf r0
    17  	 nop
    18  	.align 2
    19  	.hidden __syscall_ret
    20  1:	.long __syscall_ret@PLT-(2b+4-.)