string

example/pseudo/t.s

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+.text
+zerop:
+	pushq %rbp
+	movq %rsp, %rbp
+	cmpl $0, %edi
+	jnz .Lbb2
+	movl $1, %eax
+	jmp .Lbb3
+.Lbb2:
+	movl $0, %eax
+.Lbb3:
+	leave
+	ret
+.type zerop, @function
+.size zerop, .-zerop
+/* end function zerop */
+
+.text
+factorial:
+	pushq %rbp
+	movq %rsp, %rbp
+	subq $8, %rsp
+	pushq %rbx
+	movq %rdi, %rbx
+	callq zerop
+	movq %rbx, %rdi
+	cmpl $0, %eax
+	jnz .Lbb6
+	movq %rdi, %rbx
+	subq $1, %rdi
+	callq factorial
+	movq %rbx, %rdi
+	imulq %rdi, %rax
+	jmp .Lbb7
+.Lbb6:
+	movl $1, %eax
+.Lbb7:
+	popq %rbx
+	leave
+	ret
+.type factorial, @function
+.size factorial, .-factorial
+/* end function factorial */
+
+.data
+.balign 8
+fstr:
+	.ascii "fac 3 = %d\n"
+	.byte 0
+/* end data */
+
+.text
+.globl main
+main:
+	pushq %rbp
+	movq %rsp, %rbp
+	movl $3, %edi
+	callq factorial
+	movq %rax, %rsi
+	leaq fstr(%rip), %rdi
+	movl $0, %eax
+	callq printf
+	movl $0, %eax
+	leave
+	ret
+.type main, @function
+.size main, .-main
+/* end function main */
+
+.section .note.GNU-stack,"",@progbits