.set noreorder
.global __syscall
.type __syscall,@function
__syscall:
move $10, $4
move $4, $5
move $5, $6
move $6, $7
lw $7, 16($sp)
lw $8, 20($sp)
lw $9, 24($sp)
subu $sp, $sp, 32
sw $8, 16($sp)
sw $9, 20($sp)
move $2, $10
syscall
beq $7, $0, 1f
addu $sp, $sp, 32
subu $2, $0, $2
1: jr $ra
nop