AcoSail/kernel_optimize_test
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perf bpf: Add license(NAME) helper

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To further reduce boilerplate.

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: https://lkml.kernel.org/n/tip-vst6hj335s0ebxzqltes3nsc@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2018-05-04 15:18:31 -03:00
parent 7542b767b0
commit 1f477305ab
3 changed files with 7 additions and 4 deletions
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3
tools/perf/examples/bpf/5sec.c
View File

@ -40,5 +40,4 @@ int func(void *ctx, int err, long sec)
return sec == 5;
}
char _license[] SEC("license") = "GPL";
int _version SEC("version") = LINUX_VERSION_CODE;
license(GPL);

3
tools/perf/examples/bpf/empty.c
View File

@ -1,4 +1,3 @@
#include <bpf.h>
char _license[] SEC("license") = "GPL";
int _version SEC("version") = LINUX_VERSION_CODE;
license(GPL);

5
tools/perf/include/bpf/bpf.h
View File

@ -2,4 +2,9 @@
#ifndef _PERF_BPF_H
#define _PERF_BPF_H
#define SEC(NAME) __attribute__((section(NAME), used))
#define license(name) \
char _license[] SEC("license") = #name; \
int _version SEC("version") = LINUX_VERSION_CODE;
#endif /* _PERF_BPF_H */