[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [xen master] docs/misra: Add instructions for cppcheck
commit 4a0da1c741415b0b3288ae8406df40f607b612c5 Author: Luca Fancellu <luca.fancellu@xxxxxxx> AuthorDate: Mon Jul 4 14:45:39 2022 +0200 Commit: Jan Beulich <jbeulich@xxxxxxxx> CommitDate: Mon Jul 4 14:45:39 2022 +0200 docs/misra: Add instructions for cppcheck Add instructions on how to build cppcheck, the version currently used and an example to use the cppcheck integration to run the analysis on the Xen codebase Signed-off-by: Luca Fancellu <luca.fancellu@xxxxxxx> Acked-by: Julien Grall <jgrall@xxxxxxxxxx> --- docs/misra/cppcheck.txt | 64 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) diff --git a/docs/misra/cppcheck.txt b/docs/misra/cppcheck.txt new file mode 100644 index 0000000000..25d8c3050b --- /dev/null +++ b/docs/misra/cppcheck.txt @@ -0,0 +1,64 @@ +Cppcheck for Xen static and MISRA analysis +========================================== + +Xen can be analysed for both static analysis problems and MISRA violation using +cppcheck, the open source tool allows the creation of a report with all the +findings. Xen has introduced the support in the Makefile so it's very easy to +use and in this document we can see how. + +The minimum version required for cppcheck is 2.7. Note that at the time of +writing (June 2022), the version 2.8 is known to be broken [1]. + +Install cppcheck on the system +============================== + +Cppcheck can be retrieved from the github repository or by downloading the +tarball, the version tested so far is the 2.7: + + - https://github.com/danmar/cppcheck/tree/2.7 + - https://github.com/danmar/cppcheck/archive/2.7.tar.gz + +To compile and install it, the complete command line can be found in readme.md, +section "GNU make", please add the "install" target to that line and use every +argument as it is in the documentation of the tool, so that every Xen developer +following this page can reproduce the same findings. + +This will compile and install cppcheck in /usr/bin and all the cppcheck config +files and addons will be installed in /usr/share/cppcheck folder, please modify +that path in FILESDIR if it's not convinient for your system. + +If you don't want to overwrite a possible cppcheck binary installed in your +system, you can omit the "install" target and FILESDIR, cppcheck will be just +compiled and the binaries will be available in the same folder. +If you choose to do that, later in this page it's explained how to use a local +installation of cppcheck for the Xen analysis. + +Dependencies are listed in the readme.md of the project repository. + +Use cppcheck to analyse Xen +=========================== + +Using cppcheck integration is very simple, it requires few steps: + + 1) Compile Xen + 2) call the cppcheck make target to generate a report in xml format: + make CPPCHECK_MISRA=y cppcheck + 3) call the cppcheck-html make target to generate a report in xml and html + format: + make CPPCHECK_MISRA=y cppcheck-html + + In case the cppcheck binaries are not in the PATH, CPPCHECK and + CPPCHECK_HTMLREPORT variables can be overridden with the full path to the + binaries: + + make -C xen \ + CPPCHECK=/path/to/cppcheck \ + CPPCHECK_HTMLREPORT=/path/to/cppcheck-htmlreport \ + CPPCHECK_MISRA=y \ + cppcheck-html + +The output is by default in a folder named cppcheck-htmlreport, but the name +can be changed by passing it in the CPPCHECK_HTMLREPORT_OUTDIR variable. + + +[1] https://sourceforge.net/p/cppcheck/discussion/general/thread/bfc3ab6c41/?limit=25 -- generated by git-patchbot for /home/xen/git/xen.git#master
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