[dpdk-dev] [PATCHv4 1/5] buildtools: Add tool to check EXPERIMENTAL api exports
Neil Horman
nhorman at tuxdriver.com
Sun Jan 21 23:07:16 CET 2018
On Sun, Jan 21, 2018 at 07:31:31PM +0100, Thomas Monjalon wrote:
> Hi Neil,
>
> Sorry for the very late review.
> I thought review had been done by others but it seems not.
> Please find my comments below.
>
> 13/12/2017 16:17, Neil Horman:
> > create mode 100755 buildtools/experimentalsyms.sh
>
> When adding a new file, you must reference it in MAINTAINERS.
> Please add it in the section "ABI versioning".
>
yup
> > --- /dev/null
> > +++ b/buildtools/experimentalsyms.sh
>
> I think the file name should include the word "check".
> What about check-experimental-syms.sh ?
>
> > @@ -0,0 +1,35 @@
> > +#!/bin/sh
>
> You must insert a SPDX license and copyright here.
>
Will do.
> > +if [ -d $MAPFILE ]
> > +then
> > + exit 0
> > +fi
> > +
> > +if [ -d $OBJFILE ]
> > +then
> > + exit 0
> > +fi
>
> Why checking for not being a directory?
> I guess you could check being a readable file (-r)?
> Should it return an error?
>
The objfile check is out of date (had it in place initially, and is no longer
needed). the mapfile check is there because dpdk apps use the same C_TO_O rule
and have no mapfile variable set.
> > +for i in `awk 'BEGIN {found=0}
> > + /.*EXPERIMENTAL.*/ {found=1}
> > + /.*}.*;/ {found=0}
> > + /.*;/ {if (found == 1) print $1}' $MAPFILE`
> > +do
> > + SYM=`echo $i | sed -e"s/;//"`
> > + objdump -t $OBJFILE | grep -q "\.text.*$SYM"
> > + IN_TEXT=$?
> > + objdump -t $OBJFILE | grep -q "\.text\.experimental.*$SYM"
> > + IN_EXP=$?
> > + if [ $IN_TEXT -eq 0 -a $IN_EXP -ne 0 ]
> > + then
> > + echo "$SYM is not flagged as experimental"
> > + echo "but is listed in version map"
> > + echo "Please add __experimental to the definition of $SYM"
> > + exit 1
> > + fi
> > +done
> > +exit 0
>
> exit 0 is useless at the end of a script.
Its there for clarity of exit value. I prefer to be expicit in that.
Neil
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