ART: Add GetStackTrace support
Add support for getting a stack trace.
Bug: 31684812
Test: m test-art-host
Change-Id: Ifa5818ebca38caafb09616ffd7df30186eb8a06f
diff --git a/test/911-get-stack-trace/build b/test/911-get-stack-trace/build
new file mode 100755
index 0000000..898e2e5
--- /dev/null
+++ b/test/911-get-stack-trace/build
@@ -0,0 +1,17 @@
+#!/bin/bash
+#
+# Copyright 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+./default-build "$@" --experimental agents
diff --git a/test/911-get-stack-trace/expected.txt b/test/911-get-stack-trace/expected.txt
new file mode 100644
index 0000000..20bab78
--- /dev/null
+++ b/test/911-get-stack-trace/expected.txt
@@ -0,0 +1,208 @@
+###################
+### Same thread ###
+###################
+From top
+---------
+ getStackTrace (Ljava/lang/Thread;II)[Ljava/lang/String;
+ print (Ljava/lang/Thread;II)V
+ printOrWait (IILMain$ControlData;)V
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ doTest ()V
+ main ([Ljava/lang/String;)V
+---------
+ print (Ljava/lang/Thread;II)V
+ printOrWait (IILMain$ControlData;)V
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ doTest ()V
+ main ([Ljava/lang/String;)V
+---------
+ getStackTrace (Ljava/lang/Thread;II)[Ljava/lang/String;
+ print (Ljava/lang/Thread;II)V
+ printOrWait (IILMain$ControlData;)V
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+---------
+ printOrWait (IILMain$ControlData;)V
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+From bottom
+---------
+ main ([Ljava/lang/String;)V
+---------
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ doTest ()V
+ main ([Ljava/lang/String;)V
+---------
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+
+################################
+### Other thread (suspended) ###
+################################
+From top
+---------
+ wait ()V
+ printOrWait (IILMain$ControlData;)V
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ run ()V
+---------
+ printOrWait (IILMain$ControlData;)V
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ run ()V
+---------
+ wait ()V
+ printOrWait (IILMain$ControlData;)V
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+---------
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+From bottom
+---------
+ run ()V
+---------
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ run ()V
+---------
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+
+###########################
+### Other thread (live) ###
+###########################
+From top
+---------
+ printOrWait (IILMain$ControlData;)V
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ run ()V
+---------
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ run ()V
+---------
+ printOrWait (IILMain$ControlData;)V
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+---------
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+From bottom
+---------
+ run ()V
+---------
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ run ()V
+---------
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
+ foo (IIILMain$ControlData;)I
+ baz (IIILMain$ControlData;)Ljava/lang/Object;
+ bar (IIILMain$ControlData;)J
diff --git a/test/911-get-stack-trace/info.txt b/test/911-get-stack-trace/info.txt
new file mode 100644
index 0000000..875a5f6
--- /dev/null
+++ b/test/911-get-stack-trace/info.txt
@@ -0,0 +1 @@
+Tests basic functions in the jvmti plugin.
diff --git a/test/911-get-stack-trace/run b/test/911-get-stack-trace/run
new file mode 100755
index 0000000..43fc325
--- /dev/null
+++ b/test/911-get-stack-trace/run
@@ -0,0 +1,43 @@
+#!/bin/bash
+#
+# Copyright 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+plugin=libopenjdkjvmtid.so
+agent=libtiagentd.so
+lib=tiagentd
+if [[ "$@" == *"-O"* ]]; then
+ agent=libtiagent.so
+ plugin=libopenjdkjvmti.so
+ lib=tiagent
+fi
+
+if [[ "$@" == *"--jvm"* ]]; then
+ arg="jvm"
+else
+ arg="art"
+fi
+
+if [[ "$@" != *"--debuggable"* ]]; then
+ other_args=" -Xcompiler-option --debuggable "
+else
+ other_args=""
+fi
+
+./default-run "$@" --experimental agents \
+ --experimental runtime-plugins \
+ --runtime-option -agentpath:${agent}=911-get-stack-trace,${arg} \
+ --android-runtime-option -Xplugin:${plugin} \
+ ${other_args} \
+ --args ${lib}
diff --git a/test/911-get-stack-trace/src/Main.java b/test/911-get-stack-trace/src/Main.java
new file mode 100644
index 0000000..df4501d
--- /dev/null
+++ b/test/911-get-stack-trace/src/Main.java
@@ -0,0 +1,178 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.util.Arrays;
+import java.util.concurrent.CountDownLatch;
+
+public class Main {
+ public static void main(String[] args) throws Exception {
+ System.loadLibrary(args[1]);
+
+ doTest();
+ doTestOtherThreadWait();
+ doTestOtherThreadBusyLoop();
+ }
+
+ public static void doTest() throws Exception {
+ System.out.println("###################");
+ System.out.println("### Same thread ###");
+ System.out.println("###################");
+ System.out.println("From top");
+ Recurse.foo(4, 0, 25, null);
+ Recurse.foo(4, 1, 25, null);
+ Recurse.foo(4, 0, 5, null);
+ Recurse.foo(4, 2, 5, null);
+
+ System.out.println("From bottom");
+ Recurse.foo(4, -1, 25, null);
+ Recurse.foo(4, -5, 5, null);
+ Recurse.foo(4, -7, 5, null);
+ }
+
+ public static void doTestOtherThreadWait() throws Exception {
+ System.out.println();
+ System.out.println("################################");
+ System.out.println("### Other thread (suspended) ###");
+ System.out.println("################################");
+ final ControlData data = new ControlData();
+ data.waitFor = new Object();
+ Thread t = new Thread() {
+ public void run() {
+ Recurse.foo(4, 0, 0, data);
+ }
+ };
+ t.start();
+ data.reached.await();
+ Thread.yield();
+ Thread.sleep(500); // A little bit of time...
+
+ System.out.println("From top");
+ print(t, 0, 25);
+ print(t, 1, 25);
+ print(t, 0, 5);
+ print(t, 2, 5);
+
+ System.out.println("From bottom");
+ print(t, -1, 25);
+ print(t, -5, 5);
+ print(t, -7, 5);
+
+ // Let the thread make progress and die.
+ synchronized(data.waitFor) {
+ data.waitFor.notifyAll();
+ }
+ t.join();
+ }
+
+ public static void doTestOtherThreadBusyLoop() throws Exception {
+ System.out.println();
+ System.out.println("###########################");
+ System.out.println("### Other thread (live) ###");
+ System.out.println("###########################");
+ final ControlData data = new ControlData();
+ Thread t = new Thread() {
+ public void run() {
+ Recurse.foo(4, 0, 0, data);
+ }
+ };
+ t.start();
+ data.reached.await();
+ Thread.yield();
+ Thread.sleep(500); // A little bit of time...
+
+ System.out.println("From top");
+ print(t, 0, 25);
+ print(t, 1, 25);
+ print(t, 0, 5);
+ print(t, 2, 5);
+
+ System.out.println("From bottom");
+ print(t, -1, 25);
+ print(t, -5, 5);
+ print(t, -7, 5);
+
+ // Let the thread stop looping and die.
+ data.stop = true;
+ t.join();
+ }
+
+ public static void print(String[] stack) {
+ System.out.println("---------");
+ for (int i = 0; i < stack.length; i += 2) {
+ System.out.print(' ');
+ System.out.print(stack[i]);
+ System.out.print(' ');
+ System.out.println(stack[i + 1]);
+ }
+ }
+
+ public static void print(Thread t, int start, int max) {
+ print(getStackTrace(t, start, max));
+ }
+
+ // Wrap generated stack traces into a class to separate them nicely.
+ public static class Recurse {
+
+ public static int foo(int x, int start, int max, ControlData data) {
+ bar(x, start, max, data);
+ return 0;
+ }
+
+ private static long bar(int x, int start, int max, ControlData data) {
+ baz(x, start, max, data);
+ return 0;
+ }
+
+ private static Object baz(int x, int start, int max, ControlData data) {
+ if (x == 0) {
+ printOrWait(start, max, data);
+ } else {
+ foo(x - 1, start, max, data);
+ }
+ return null;
+ }
+
+ private static void printOrWait(int start, int max, ControlData data) {
+ if (data == null) {
+ print(Thread.currentThread(), start, max);
+ } else {
+ if (data.waitFor != null) {
+ synchronized (data.waitFor) {
+ data.reached.countDown();
+ try {
+ data.waitFor.wait(); // Use wait() as it doesn't have a "hidden" Java call-graph.
+ } catch (Throwable t) {
+ throw new RuntimeException(t);
+ }
+ }
+ } else {
+ data.reached.countDown();
+ while (!data.stop) {
+ // Busy-loop.
+ }
+ }
+ }
+ }
+ }
+
+ public static class ControlData {
+ CountDownLatch reached = new CountDownLatch(1);
+ Object waitFor = null;
+ volatile boolean stop = false;
+ }
+
+ public static native String[] getStackTrace(Thread thread, int start, int max);
+}
diff --git a/test/911-get-stack-trace/stack_trace.cc b/test/911-get-stack-trace/stack_trace.cc
new file mode 100644
index 0000000..da649cf
--- /dev/null
+++ b/test/911-get-stack-trace/stack_trace.cc
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "stack_trace.h"
+
+#include <memory>
+#include <stdio.h>
+
+#include "base/logging.h"
+#include "jni.h"
+#include "openjdkjvmti/jvmti.h"
+#include "ScopedLocalRef.h"
+#include "ti-agent/common_load.h"
+
+namespace art {
+namespace Test911GetStackTrace {
+
+extern "C" JNIEXPORT jobjectArray JNICALL Java_Main_getStackTrace(
+ JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jthread thread, jint start, jint max) {
+ std::unique_ptr<jvmtiFrameInfo[]> frames(new jvmtiFrameInfo[max]);
+
+ jint count;
+ jvmtiError result = jvmti_env->GetStackTrace(thread, start, max, frames.get(), &count);
+ if (result != JVMTI_ERROR_NONE) {
+ char* err;
+ jvmti_env->GetErrorName(result, &err);
+ printf("Failure running GetStackTrace: %s\n", err);
+ return nullptr;
+ }
+
+ ScopedLocalRef<jclass> obj_class(env, env->FindClass("java/lang/String"));
+ if (obj_class.get() == nullptr) {
+ return nullptr;
+ }
+
+ jobjectArray ret = env->NewObjectArray(2 * count, obj_class.get(), nullptr);
+ if (ret == nullptr) {
+ return ret;
+ }
+
+ for (size_t i = 0; i < static_cast<size_t>(count); ++i) {
+ char* name;
+ char* sig;
+ char* gen;
+ jvmtiError result2 = jvmti_env->GetMethodName(frames[i].method, &name, &sig, &gen);
+ if (result2 != JVMTI_ERROR_NONE) {
+ char* err;
+ jvmti_env->GetErrorName(result, &err);
+ printf("Failure running GetMethodName: %s\n", err);
+ return nullptr;
+ }
+ ScopedLocalRef<jstring> trace_name(env, name == nullptr ? nullptr : env->NewStringUTF(name));
+ ScopedLocalRef<jstring> trace_sig(env, sig == nullptr ? nullptr : env->NewStringUTF(sig));
+ env->SetObjectArrayElement(ret, static_cast<jint>(2 * i), trace_name.get());
+ env->SetObjectArrayElement(ret, static_cast<jint>(2 * i + 1), trace_sig.get());
+
+ if (name != nullptr) {
+ jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(name));
+ }
+ if (sig != nullptr) {
+ jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(sig));
+ }
+ if (gen != nullptr) {
+ jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(gen));
+ }
+ }
+
+ return ret;
+}
+
+// Don't do anything
+jint OnLoad(JavaVM* vm,
+ char* options ATTRIBUTE_UNUSED,
+ void* reserved ATTRIBUTE_UNUSED) {
+ if (vm->GetEnv(reinterpret_cast<void**>(&jvmti_env), JVMTI_VERSION_1_0)) {
+ printf("Unable to get jvmti env!\n");
+ return 1;
+ }
+ return 0;
+}
+
+} // namespace Test911GetStackTrace
+} // namespace art
diff --git a/test/911-get-stack-trace/stack_trace.h b/test/911-get-stack-trace/stack_trace.h
new file mode 100644
index 0000000..eba2a91
--- /dev/null
+++ b/test/911-get-stack-trace/stack_trace.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_TEST_911_GET_STACK_TRACE_STACK_TRACE_H_
+#define ART_TEST_911_GET_STACK_TRACE_STACK_TRACE_H_
+
+#include <jni.h>
+
+namespace art {
+namespace Test911GetStackTrace {
+
+jint OnLoad(JavaVM* vm, char* options, void* reserved);
+
+} // namespace Test911GetStackTrace
+} // namespace art
+
+#endif // ART_TEST_911_GET_STACK_TRACE_STACK_TRACE_H_
diff --git a/test/Android.bp b/test/Android.bp
index 9675ef5..37e1fc0 100644
--- a/test/Android.bp
+++ b/test/Android.bp
@@ -254,6 +254,7 @@
"908-gc-start-finish/gc_callbacks.cc",
"909-attach-agent/attach.cc",
"910-methods/methods.cc",
+ "911-get-stack-trace/stack_trace.cc",
],
shared_libs: [
"libbase",
diff --git a/test/ti-agent/common_load.cc b/test/ti-agent/common_load.cc
index 5e8ef94..7faf700 100644
--- a/test/ti-agent/common_load.cc
+++ b/test/ti-agent/common_load.cc
@@ -34,6 +34,7 @@
#include "908-gc-start-finish/gc_callbacks.h"
#include "909-attach-agent/attach.h"
#include "910-methods/methods.h"
+#include "911-get-stack-trace/stack_trace.h"
namespace art {
@@ -60,6 +61,7 @@
{ "908-gc-start-finish", Test908GcStartFinish::OnLoad, nullptr },
{ "909-attach-agent", nullptr, Test909AttachAgent::OnAttach },
{ "910-methods", Test910Methods::OnLoad, nullptr },
+ { "911-get-stack-trace", Test911GetStackTrace::OnLoad, nullptr },
};
static AgentLib* FindAgent(char* name) {