.set noreorder | |
.global __clone | |
.type __clone,@function | |
__clone: | |
# Save function pointer and argument pointer on new thread stack | |
and $5, $5, -8 | |
subu $5, $5, 16 | |
sw $4, 0($5) | |
sw $7, 4($5) | |
# Shuffle (fn,sp,fl,arg,ptid,tls,ctid) to (fl,sp,ptid,tls,ctid) | |
move $4, $6 | |
lw $6, 16($sp) | |
lw $7, 20($sp) | |
lw $9, 24($sp) | |
subu $sp, $sp, 16 | |
sw $9, 16($sp) | |
li $2, 4120 | |
syscall | |
beq $7, $0, 1f | |
nop | |
addu $sp, $sp, 16 | |
jr $ra | |
subu $2, $0, $2 | |
1: beq $2, $0, 1f | |
nop | |
addu $sp, $sp, 16 | |
jr $ra | |
nop | |
1: lw $25, 0($sp) | |
lw $4, 4($sp) | |
jalr $25 | |
nop | |
move $4, $2 | |
li $2, 4001 | |
syscall |