.section .text

.global _start
.extern exit
.extern libc_init
.extern _init
.extern _fini
_start:
	# Set up end of the stack frame linked list.
	movq $0, %rbp
	pushq %rbp # rip=0
	pushq %rbp # rbp=0
	movq %rsp, %rbp

	pushq %rsi
	pushq %rdi
	pushq %rcx

	call libc_init

	# Run the global constructors.
	call _init

	popq %rdx
	popq %rdi
	popq %rsi

	# Run main
	call main

	# Store the exit code before calling _fini.
	push %rax

	call _fini

	# Terminate the process with the exit code.
	pop %rdi
	call exit