diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-04-17 11:23:41 -0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-06-05 10:28:56 +0200 |
| commit | 86ff378c684e906d067d18c656e74278c32b7896 (patch) | |
| tree | cb6d8d3ad7f65c216e4872376d196281c25efcf3 /tools | |
| parent | 4c0d447524c11f5d431f05db68e02e286caa3e01 (diff) | |
tools include: Introduce linux/bug.h, from the kernel sources
commit 379d61b1c7d42512cded04d372f15a7e725db9e1 upstream.
With just what we will need in the upcoming changesets, the
BUILD_BUG_ON_ZERO() definition.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-lw8zg7x6ttwcvqhp90mwe3vo@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/include/linux/bug.h | 10 | ||||
| -rw-r--r-- | tools/perf/MANIFEST | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/tools/include/linux/bug.h b/tools/include/linux/bug.h new file mode 100644 index 000000000000..8e4a4f49135d --- /dev/null +++ b/tools/include/linux/bug.h @@ -0,0 +1,10 @@ +#ifndef _TOOLS_PERF_LINUX_BUG_H +#define _TOOLS_PERF_LINUX_BUG_H + +/* Force a compilation error if condition is true, but also produce a + result (of value 0 and type size_t), so the expression can be used + e.g. in a structure initializer (or where-ever else comma expressions + aren't permitted). */ +#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); })) + +#endif /* _TOOLS_PERF_LINUX_BUG_H */ diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index 776f6b23ea2e..a4f98e131819 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -63,6 +63,7 @@ tools/include/linux/bitops.h tools/include/linux/compiler.h tools/include/linux/compiler-gcc.h tools/include/linux/coresight-pmu.h +tools/include/linux/bug.h tools/include/linux/filter.h tools/include/linux/hash.h tools/include/linux/kernel.h |