main.s

在linux下实行的简单的c语言编译器

	.file	"main.c"
	.text
	.p2align 2,,3
.globl f
	.type	f, @function
f:
	pushl	%ebp
	movl	%esp, %ebp
	subl	$16, %esp
	movl	$1, -4(%ebp)
	movl	$1, -8(%ebp)
	movl	$1, -12(%ebp)
	cmpl	$0, 8(%ebp)
	je	.L3
	cmpl	$1, 8(%ebp)
	je	.L3
	jmp	.L4
.L3:
	movl	$1, -16(%ebp)
	jmp	.L1
.L4:
	movl	-12(%ebp), %eax
	cmpl	8(%ebp), %eax
	jge	.L5
	movl	-8(%ebp), %edx
	leal	-4(%ebp), %eax
	addl	%edx, (%eax)
	movl	-4(%ebp), %edx
	leal	-8(%ebp), %eax
	addl	%edx, (%eax)
	leal	-12(%ebp), %eax
	incl	(%eax)
	jmp	.L4
.L5:
	movl	-8(%ebp), %eax
	movl	%eax, -16(%ebp)
.L1:
	movl	-16(%ebp), %eax
	leave
	ret
	.size	f, .-f
	.p2align 2,,3
.globl main
	.type	main, @function
main:
	pushl	%ebp
	movl	%esp, %ebp
	subl	$8, %esp
	andl	$-16, %esp
	movl	$0, %eax
	addl	$15, %eax
	addl	$15, %eax
	shrl	$4, %eax
	sall	$4, %eax
	subl	%eax, %esp
	movl	$1, -4(%ebp)
.L7:
	cmpl	$9, -4(%ebp)
	jg	.L8
	pushl	-4(%ebp)
	call	f
	addl	$4, %esp
	leal	-4(%ebp), %eax
	incl	(%eax)
	jmp	.L7
.L8:
	leave
	ret
	.size	main, .-main
	.ident	"GCC: (GNU) 3.4.4 [FreeBSD] 20050518"