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Merge pull request #393 from LudwigOrtmann/native_readme

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improve valgrind section
This commit is contained in:
Oleg Hahm 2013-12-02 03:27:28 -08:00
commit e2d7ae5bc0
1 changed files with 8 additions and 2 deletions
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cpu/native/README
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@ -6,10 +6,12 @@ HAVE_VALGRIND_H or HAVE_VALGRIND_VALGRIND_H depending on the location
of the valgrind header (i.e. <valgrind.h> or <valgrind/valgrind.h>)
like this:
CFLAGS="-DHAVE_VALGRIND_VALGRIND_H" make
CFLAGS="-DHAVE_VALGRIND_VALGRIND_H -g" make
That way native can tell valgrind about RIOTs stacks and prevent
That way native will tell valgrind about RIOTs stacks and prevent
valgrind from reporting lots of false positives.
The debug information flag "-g" is not strictly necessary, but passing
it allows valgrind to tell you precisely which code triggered the error.
Usage:
Simply pass the ordinary command to valgrind like this:
@ -33,6 +35,10 @@ As root call:
echo 0 > /proc/sys/kernel/yama/ptrace_scope
Another helpful valgrind parameter is "--track-origins=yes" which
will allow valrgind to tell you where references to uninitialized
values stem from.
NETWORK SUPPORT
===============