thread.S

.extern pthread_create
.extern pthread_join
.extern printf
.extern sleep

.section .rodata
thread_str:
	.string "this is thread %d\n"

.section .text
.global main

main:
	pushq	%rbp
	pushq	%rbx
	pushq	%r12
	movq	%rsp, %rbp
	subq	$(8 * 30), %rsp
	movl	$30, %r12d
	xorl	%ebx, %ebx
.Lmain_ulang:
	movq	%rbx, %rdi
	leaq	(%rsp, %rbx, 8), %rsi
	callq	create_thread
	incq	%rbx
	cmpq	%r12, %rbx
	jl	.Lmain_ulang
	xorl	%ebx, %ebx
.Lmain_ulang2:
	leaq	(%rsp, %rbx, 8), %rdi
	callq	wait_thread
	incq	%rbx
	cmpq	%r12, %rbx
	jl	.Lmain_ulang2
	movq	%rbp, %rsp
	popq	%r12
	popq	%rbx
	popq	%rbp
	retq

create_thread:
	pushq	%rbp
	movq	%rdi, %rcx
	movq	%rsi, %rdi
	xorl	%esi, %esi
	leaq	function(%rip), %rdx
	callq	pthread_create
	popq	%rbp
	retq

wait_thread:
	pushq	%rbp
	movq	(%rdi), %rdi
	xorl	%esi, %esi
	callq	pthread_join
	popq	%rbp
	retq

function:
	pushq	%rbp
	movq	%rdi, %rbp
	movl	$2, %edi
	callq	sleep
	movq	%rbp, %rsi
	leaq	thread_str(%rip), %rdi
	callq	printf
	popq	%rbp
	retq