Re: lib/csu cleanup #2 - review please (commit candidate)

On Sun, Jun 30, 2002 at 08:24:21PM +0100, Mark Murray wrote:
> In response to some useful comments from Bruce and David, I've
> cleaned this up, tested it on i386-elf (on my laptop) and extended
> it to the other architectures a lot more (limited testing, so
> please help out!).

But you didn't answer these questions:

    > Index: alpha/crt1.c
    > ===================================================================
    > RCS file: /home/ncvs/src/lib/csu/alpha/crt1.c,v
    ...
    > +#ifndef lint
    > +
    >  #ifndef __GNUC__
    >  #error "GCC is needed to compile this file"
    >  #endif

    Please change Lint to note the #error but to continue processing.  I've
    pondered it and cannot find a good reason for Lint to "obey" #error.


    > -_start(char *arguments, ...)
    > +_start(char *ap, ...)

    Why do we need to rename "arguments"?


    > +extern int _DYNAMIC;
    > +#pragma weak _DYNAMIC

    Why?  IMO #pragma's should come as early as possible.
(#also sorts before `e'xtern)


New questions:

> -_start(char **ap,
> -	void (*cleanup)(void),			/* from shared loader */
> -	struct Struct_Obj_Entry *obj __unused,	/* from shared loader */
> -	struct ps_strings *ps_strings __unused)
> +_start(char **ap, void (*cleanup)(void), ...)

Why take a more exact prototype and definition to a lesser one?


> -    fptr rtld_cleanup;
> +	fptr cleanup;
...
> -    rtld_cleanup = get_rtld_cleanup();
> +	cleanup = get_rtld_cleanup();


Why do we need to rename this?  (you also have a ^I above)

 
> diffs in i386-elf/crt1.c (Which I will commit separately; it
> has 4-space indents instead of tabs, and I'd like to fix that).

Why?  This is not abandoned code.  Our practice is to leave existing
style alone when making small changes.

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