Re: [PATCH 1/2] namespace.pl: fix source tree name mangling

From: AmÃrico Wang
Date: Wed Sep 29 2010 - 00:26:47 EST


On Tue, Sep 28, 2010 at 05:44:02PM +0900, Stephen Hemminger wrote:
>The current namespace.pl script does not find source files correctly.
>The problem is that the current directory is not the base of the kernel
>tree at the point where it calls objdump.
>
>Signed-off-by: Stephen Hemminger <shemminger@xxxxxxxxxx>
>
>--- a/scripts/namespace.pl 2010-09-27 17:53:29.919433444 +0900
>+++ b/scripts/namespace.pl 2010-09-28 09:24:36.891552993 +0900
>@@ -167,8 +167,10 @@ sub do_nm
> printf STDERR "$fullname is not an object file\n";
> return;
> }
>- ($source = $fullname) =~ s/\.o$//;
>- if (-e "$objtree$source.c" || -e "$objtree$source.S") {
>+ $fullname =~ s/\.o$//;
>+ $source = $basename;
>+ $source =~ s/\.o$//;

With your patch applied, $source will be the basename of
an obj path with .o stripped.

>+ if (-e "$objtree$fullname.c" || -e "$objtree$fullname.S") {
> $source = "$objtree$source";
> } else {
> $source = "$srctree$source";
>

So here we will get a non-exist path stored in $source.

Are you serious? What problem did you meet? I see no problem
with the original code here.

Thanks.

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