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3 Commits

Author SHA1 Message Date
Kees Cook 5a45a4c5c3 gcc-plugins: consolidate on PASS_INFO macro 
Now that PASS_INFO() exists, use it in the other existing gcc plugins,
instead of always open coding the same thing.

Based on updates to the grsecurity/PaX gcc plugins.

Signed-off-by: Kees Cook <keescook@chromium.org>
 2017-01-13 14:20:03 -08:00
Kees Cook da7389ac6c gcc-plugins: Export symbols needed by gcc 
This explicitly exports symbols that gcc expects from plugins.

Based on code from Emese Revfy.

Signed-off-by: Kees Cook <keescook@chromium.org>
 2016-10-31 10:40:13 -07:00
Emese Revfy 0dae776c6b Add Cyclomatic complexity GCC plugin 
Add a very simple plugin to demonstrate the GCC plugin infrastructure. This GCC
plugin computes the cyclomatic complexity of each function.

The complexity M of a function's control flow graph is defined as:
M = E - N + 2P
where
E = the number of edges
N = the number of nodes
P = the number of connected components (exit nodes).

Signed-off-by: Emese Revfy <re.emese@gmail.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Michal Marek <mmarek@suse.com>
 2016-06-07 22:57:10 +02:00