X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=tests%2Futils%2Ftestapp%2Fuserspace-probe-sdt-binary%2Fuserspace-probe-sdt-binary.c;fp=tests%2Futils%2Ftestapp%2Fuserspace-probe-sdt-binary%2Fuserspace-probe-sdt-binary.c;h=c70713979d8933b5621085345295cd83ce3e0d64;hp=0000000000000000000000000000000000000000;hb=a9c2df2bfce7a27b53ee5d5101f259f3e1f506b1;hpb=5a1c0a75771c4b95f9518be0e1960a25bb691caf

diff --git a/tests/utils/testapp/userspace-probe-sdt-binary/userspace-probe-sdt-binary.c b/tests/utils/testapp/userspace-probe-sdt-binary/userspace-probe-sdt-binary.c
new file mode 100644
index 000000000..c70713979
--- /dev/null
+++ b/tests/utils/testapp/userspace-probe-sdt-binary/userspace-probe-sdt-binary.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2017  Francis Deslauriers <francis.deslauriers@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+#include <dlfcn.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <sys/sdt.h>
+
+#include "foobar_provider.h"
+#include "libfoo.h"
+#include "sema.h"
+
+int main(int argc, char *argv[])
+{
+	void *handle;
+	void (*bar_function)();
+
+	FOOBAR_TP1();
+	FOOBAR_TP2();
+	/*
+	 * This SDT tracepoint has an argument. Argument extraction is not support
+	 * at the moment but tracing of the tracepoint should work.
+	 */
+	FOOBAR_TP_WITH_ARG(42);
+
+	/* Call function containing an SDT tracepoint in shared object */
+	foo_function();
+
+	/*
+	 * Load a show shared object and call a function containing an SDT
+	 * tracepoint
+	 */
+	handle = dlopen("libbar.so", RTLD_LAZY);
+	if (!handle) {
+		fprintf(stderr, "Can't dlopen libbar.so");
+		return -1;
+	}
+	bar_function = (void (*)())dlsym(handle, "bar_function");
+	bar_function();
+	dlclose(handle);
+
+	/* This tracepoint has 2 callsites in this binary */
+	FOOBAR_TP2();
+
+	/*
+	 * This function is defined in libfoo AND in libzzz. For a test, libzzz is
+	 * LD_PRELOADed and should override this function
+	 */
+	overridable_function();
+
+	/*
+	 * This function is calling a SDT tracepoint that is guarded by a
+	 * semaphore.
+	 */
+	sema_function();
+	return 0;
+}
+