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Re: Discussion about merging Go frontend


Dave Korn <dave.korn.cygwin@gmail.com> writes:

> +# Trying to get this information from gcc's config is tricky.
> +case $target in
> +  x86_64*-mingw*)
> +    SYM_STYLE=-DSYM_STYLE=ss_none
> +    ;;
> +  *-cygwin* | i?86*-mingw* )
> +    SYM_STYLE=-DSYM_STYLE=ss_win32
> +    ;;
> +  *)
> +    SYM_STYLE=-DSYM_STYLE=ss_none
> +    ;;
>  esac
> -
> -AC_SUBST(LTO_FORMAT)
> +AC_SUBST(SYM_STYLE)

It would seem more natural to use AC_DEFINE here.  Any reason not to do
that?


> +  else if (!strncmp (option, "-sym-style=", sizeof ("-sym-style=") - 1))
> +    {
> +      switch (option[sizeof ("-sym-style=")])
> +	{
> +	case 'w':
> +	  sym_style = ss_win32;
> +	  break;
> +	case 'u':
> +	  sym_style = ss_uscore;
> +	  break;
> +	default:
> +	  sym_style = ss_none;
> +	  break;
> +	}
> +    }

This looks wrong, because sizeof ("-sym-style=") will be 1 too large in
the switch clause.

And of course this code now has to use simple_object rather than
objfile.

Ian


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