lib/crt/x86_64/crt0.s


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.section .text
.global _start
_start:
    #Setup start of stack frame
    xorq %rbp, %rbp
    pushq %rbp
    pushq %rbp
    movq %rsp, %rbp

    #Save arguments passed to main
    pushq %rdi
    pushq %rsi

    #Setup libc and call global constructors

    #Call main
    call main

    #Exit
    movq %rax, %rdi
    call exit
.size _start, . - _start