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| author | Jiri Olsa | 2015-03-01 21:19:44 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo | 2015-03-21 18:53:35 +0100 |
| commit | e6c76d620379fd65fc0310aee1785ff7b1b10236 (patch) | |
| tree | 223fe9d9a8e528c69b0545b371555b6218de50d5 /tools/build/feature/test-libdw-dwarf-unwind.c | |
| parent | perf build: Make features checks directory configurable (diff) | |
| download | kernel-qcow2-linux-e6c76d620379fd65fc0310aee1785ff7b1b10236.tar.gz kernel-qcow2-linux-e6c76d620379fd65fc0310aee1785ff7b1b10236.tar.xz kernel-qcow2-linux-e6c76d620379fd65fc0310aee1785ff7b1b10236.zip | |
perf build: Move feature checks code under tools/build
Moving feature checks code under tools/build directory.
Changing also $feature_dir to point to new feature directory location
and perf Makefiles to include Makefile.feature from new location.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <david.ahern@oracle.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-3lamtb30dhf4wo99y1n8kxg0@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/build/feature/test-libdw-dwarf-unwind.c')
| -rw-r--r-- | tools/build/feature/test-libdw-dwarf-unwind.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/build/feature/test-libdw-dwarf-unwind.c b/tools/build/feature/test-libdw-dwarf-unwind.c new file mode 100644 index 000000000000..f676a3ff442a --- /dev/null +++ b/tools/build/feature/test-libdw-dwarf-unwind.c @@ -0,0 +1,13 @@ + +#include <elfutils/libdwfl.h> + +int main(void) +{ + /* + * This function is guarded via: __nonnull_attribute__ (1, 2). + * Passing '1' as arguments value. This code is never executed, + * only compiled. + */ + dwfl_thread_getframes((void *) 1, (void *) 1, NULL); + return 0; +} |