gcc-python-plugin May 2015

gcc-python-plugin@lists.fedorahosted.org

3 participants
3 discussions

Anyone can help me with accessing CFG to build a mapping from statements to blocks? thanks
by Yanchun Wang 28 May '15

28 May '15

Hi everyone, I am planning to generate a control flow graph from C functions, and need to know which block that each statement belongs to, that is the mapping from statements to blocks, or vice versa, any APIs or example available for now? I have gone through the docs on the website but no luck to find something like this. Any advice will be appreciated greatly. thanks. Tony

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Error gcc4.9.1 compiling gcc-python-plugin
by hugo brunie 26 May '15

26 May '15

Hello, I do not know if this issue has been treated yet, as I don't know how to look for it efficiently in the mail archive. I tried to compile the gcc-python-plugin following the instruction given here: gcc-python-plugin.readthedocs.org I use gcc 4.9.1, which I compiled myself. When I compile with make plugin, errors appear when compiling gcc-callgraph.c: . . . python xml-to-h.py gcc -O2 -Werror -g -fPIC -fno-strict-aliasing -Wall -I[...]/lib/gcc/x86_64-unknown-linux-gnu/4.9.1/plugin/include -I[...]/lib/gcc/x86_64-unknown-linux-gnu/4.9.1/plugin/include/c-family -I. -c -x c++ -fno-rtti -o gcc-callgraph.o gcc-callgraph.c In file included from gcc-callgraph.c:29:0: [...]/lib/gcc/x86_64-unknown-linux-gnu/4.9.1/plugin/include/gimple.h:282:10: error: use of enum ‘internal_fn’ without previous declaration enum internal_fn GTY ((tag ("GF_CALL_INTERNAL"))) internal_fn; I have several other errors of the same kind after this one. Do you have any idea what has gone wrong ? I looked for it a bit, and I found enum internal_fn declaration in [...]/lib/gcc/x86_64-unknown-linux-gnu/4.9.1/plugin/include/internal-fn.h Hence I do not know why it can not find it. Sorry for bothering you, Best regards, Hugo Brunie

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ANN: gcc-python-plugin 0.14
by David Malcolm 06 May '15

06 May '15

gcc-python-plugin is a plugin for GCC 4.6 onwards which embeds the CPython interpreter within GCC, allowing you to write new compiler warnings in Python, generate code visualizations, etc. It ships with "gcc-with-cpychecker", which implements static analysis passes for GCC aimed at finding bugs in CPython extensions. In particular, it can automatically detect reference-counting errors: http://gcc-python-plugin.readthedocs.org/en/latest/cpychecker.html This release adds support for GCC 5. Tarball releases are available at: https://fedorahosted.org/releases/g/c/gcc-python-plugin/ Prebuilt-documentation can be seen at: http://gcc-python-plugin.readthedocs.org/en/latest/index.html The project's homepage is: https://fedorahosted.org/gcc-python-plugin/ The plugin and checker are Free Software, licensed under the GPLv3 or later. Enjoy! Dave Malcolm

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gcc-python-plugin May 2015