The Rust Runtime - Medium Article's Code Snippets

disassembled_bin_main.asm

00000001000010f0 _main:
1000010f0: 55                          	pushq	%rbp
1000010f1: 48 89 e5                    	movq	%rsp, %rbp
1000010f4: 48 89 f2                    	movq	%rsi, %rdx
1000010f7: 48 63 f7                    	movslq	%edi, %rsi
1000010fa: 48 8d 3d 8f ff ff ff        	leaq	-113(%rip), %rdi
100001101: e8 4a 05 00 00              	callq	1354 <__ZN3std2rt10lang_start17h25bc31422b914902E>
100001106: 5d                          	popq	%rbp
100001107: c3                          	retq
100001108: 90                          	nop
100001109: 90                          	nop

std_rt_lang_start.rs

#[cfg(not(test))]
#[lang = "start"]
fn lang_start<T: crate::process::Termination + 'static>(
    main: fn() -> T,
    argc: isize,
    argv: *const *const u8,
) -> isize {
    lang_start_internal(
        &move || crate::sys_common::backtrace::__rust_begin_short_backtrace(main).report(),
        argc,
        argv,
    )
}