tools build: Add jvmti feature detection support

Adding support to detect jvmti support. It is not plugged into the
FEATURE_TESTS machinery, because it's quite rare and will be used
separately from perf via feature_check call.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Stephane Eranian <eranian@google.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: William Cohen <wcohen@redhat.com>
Link: http://lkml.kernel.org/r/1478093749-5602-3-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index ac9c477..8f668bc 100644 (file)
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -47,7 +47,8 @@ FILES=                                        \
        test-bpf.bin                    \
        test-get_cpuid.bin              \
        test-sdt.bin                    \
-       test-cxx.bin
+       test-cxx.bin                    \
+       test-jvmti.bin
 
 FILES := $(addprefix $(OUTPUT),$(FILES))
 
@@ -225,6 +226,9 @@ $(OUTPUT)test-sdt.bin:
 $(OUTPUT)test-cxx.bin:
        $(BUILDXX) -std=gnu++11
 
+$(OUTPUT)test-jvmti.bin:
+       $(BUILD)
+
 -include $(OUTPUT)*.d
 
 ###############################

diff --git a/tools/build/feature/test-jvmti.c b/tools/build/feature/test-jvmti.c
new file mode 100644 (file)
index 0000000..1c665f0
--- /dev/null
+++ b/tools/build/feature/test-jvmti.c
@@ -0,0 +1,13 @@
+#include <jvmti.h>
+#include <jvmticmlr.h>
+
+int main(void)
+{
+       JavaVM                  jvm     __attribute__((unused));
+       jvmtiEventCallbacks     cb      __attribute__((unused));
+       jvmtiCapabilities       caps    __attribute__((unused));
+       jvmtiJlocationFormat    format  __attribute__((unused));
+       jvmtiEnv                jvmti   __attribute__((unused));
+
+       return 0;
+}