[dpdk-stable] [EXT] Re: [PATCH] devtools: fix check symbol change script
Nithin Dabilpuram
ndabilpuram at marvell.com
Mon Mar 23 10:28:09 CET 2020
On Mon, Mar 23, 2020 at 09:13:22AM +0100, David Marchand wrote:
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>
> ----------------------------------------------------------------------
> On Thu, Mar 19, 2020 at 3:44 PM Nithin Dabilpuram
> <ndabilpuram at marvell.com> wrote:
> > diff --git a/devtools/check-symbol-change.sh b/devtools/check-symbol-change.sh
> > index c5434f3..19ce82f 100755
> > --- a/devtools/check-symbol-change.sh
> > +++ b/devtools/check-symbol-change.sh
> > @@ -17,13 +17,13 @@ build_map_changes()
> > # map files are altered, and all section/symbol names
> > # appearing between a triggering of this rule and the
> > # next trigger of this rule are associated with this file
> > - /[-+] a\/.*\.map/ {map=$2; in_map=1}
> > + /[-+] [ab]\/.*\.map/ {map=$2; in_map=1}
> >
> > # Same pattern as above, only it matches on anything that
> > # does not end in 'map', indicating we have left the map chunk.
> > # When we hit this, turn off the in_map variable, which
> > # supresses the subordonate rules below
> > - /[-+] a\/.*\.[^map]/ {in_map=0}
> > + /[-+] [ab]\/.*\.[^map]/ {in_map=0}
>
> [^map] does not mean "not word map" but actually "none of the
> character m, a or p".
>
> So potentially, any file extension starting with m, a or p could
> trigger an issue.
> For example, a change in .mk files, .py files and
> ./devtools/check-forbidden-tokens.awk ./devtools/libabigail.abignore
> could lead to incorrect symbol check.
>
> How about the following change:
>
> diff --git a/devtools/check-symbol-change.sh b/devtools/check-symbol-change.sh
> index c5434f3bb0..ed2178e36e 100755
> --- a/devtools/check-symbol-change.sh
> +++ b/devtools/check-symbol-change.sh
> @@ -17,13 +17,11 @@ build_map_changes()
> # map files are altered, and all section/symbol names
> # appearing between a triggering of this rule and the
> # next trigger of this rule are associated with this file
> - /[-+] a\/.*\.map/ {map=$2; in_map=1}
> + /[-+] [ab]\/.*\.map/ {map=$2; in_map=1; next}
>
> - # Same pattern as above, only it matches on anything that
> - # does not end in 'map', indicating we have left the map chunk.
> - # When we hit this, turn off the in_map variable, which
> - # supresses the subordonate rules below
> - /[-+] a\/.*\.[^map]/ {in_map=0}
> + # The previous rule catches all .map files, anything else
> + # indicates we left the map chunk.
> + /[-+] [ab]\// {in_map=0}
>
> # Triggering this rule, which starts a line and ends it
> # with a { identifies a versioned section. The section name is
>
>
Agreed. I tested and it works fine for me. I can send a V2 with this change if it is fine.
> --
> David Marchand
>
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