Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755385AbcKBNgA (ORCPT ); Wed, 2 Nov 2016 09:36:00 -0400 Received: from mx1.redhat.com ([209.132.183.28]:46904 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754569AbcKBNf6 (ORCPT ); Wed, 2 Nov 2016 09:35:58 -0400 From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: lkml , Ingo Molnar , Peter Zijlstra , Andi Kleen , William Cohen , Stephane Eranian , Namhyung Kim , David Ahern Subject: [PATCH 2/3] tools build: Add jvmti feature detection support Date: Wed, 2 Nov 2016 14:35:48 +0100 Message-Id: <1478093749-5602-3-git-send-email-jolsa@kernel.org> In-Reply-To: <1478093749-5602-1-git-send-email-jolsa@kernel.org> References: <1478093749-5602-1-git-send-email-jolsa@kernel.org> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Wed, 02 Nov 2016 13:35:57 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1605 Lines: 58 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. Link: http://lkml.kernel.org/n/tip-0ijegqf46qirs2azru6gimdi@git.kernel.org Signed-off-by: Jiri Olsa --- tools/build/feature/Makefile | 6 +++++- tools/build/feature/test-jvmti.c | 13 +++++++++++++ 2 files changed, 18 insertions(+), 1 deletion(-) create mode 100644 tools/build/feature/test-jvmti.c diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile index ac9c477a2a48..8f668bce8996 100644 --- 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 index 000000000000..1c665f09b9d6 --- /dev/null +++ b/tools/build/feature/test-jvmti.c @@ -0,0 +1,13 @@ +#include +#include + +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; +} -- 2.7.4