github.com/afumu/libc@v0.0.6/musl/src/thread/mipsn32/clone.s (about)

     1  .set	noreorder
     2  .global	__clone
     3  .hidden __clone
     4  .type	__clone,@function
     5  __clone:
     6  	# Save function pointer and argument pointer on new thread stack
     7  	and	$5, $5, -16	# aligning stack to double word
     8  	subu	$5, $5, 16
     9  	sw	$4, 0($5)	# save function pointer
    10  	sw	$7, 4($5)	# save argument pointer
    11  
    12  	# Shuffle (fn,sp,fl,arg,ptid,tls,ctid) to (fl,sp,ptid,tls,ctid)
    13  	# sys_clone(u64 flags, u64 ustack_base, u64 parent_tidptr, u64 child_tidptr, u64 tls)
    14  	move	$4, $6
    15  	move	$6, $8
    16  	move	$7, $9
    17  	move	$8, $10
    18  	li	$2, 6055
    19  	syscall
    20  	beq	$7, $0, 1f
    21  	nop
    22  	jr	$ra
    23  	subu	$2, $0, $2
    24  1:	beq	$2, $0, 1f
    25  	nop
    26  	jr	$ra
    27  	nop
    28  1:	lw	$25, 0($sp)	# function pointer
    29  	lw	$4, 4($sp)	# argument pointer
    30  	jalr	$25		# call the user's function
    31  	nop
    32  	move 	$4, $2
    33  	li	$2, 6058
    34  	syscall