Re: [PATCH][rfc] Use int as return type of main in arch/x86/boot/main.c

[H. Peter Anvin]

On 03/14/2011 12:03 PM, Steven Rostedt wrote:
> On Sun, Mar 13, 2011 at 11:00:09PM +0100, Jesper Juhl wrote:
>> I believe the return type of main should always be 'int'.
> 
> But this is not userspace, it is called from assmebly in header.S:
> 
>  # Jump to C code (should not return)
>  calll	main
> 
> We don't care what main returns. If it does return anything, then it
> dies:
> 
> # Setup corrupt somehow...
> setup_bad:
>         movl    $setup_corrupt, %eax
>         calll   puts
>         # Fall through...
> 
>         .globl  die
>         .type   die, @function
> die:
>         hlt
>         jmp     die
> 

Yes, but some versions of gcc complains about a nonstandard signature to
main().  At least that's what I assume Jesper's issue was.

	-hpa
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