247 lines
9.7 KiB
C++
247 lines
9.7 KiB
C++
/*
|
|
* 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 <queue>
|
|
#include <vector>
|
|
|
|
#include "jvmti.h"
|
|
|
|
// Test infrastructure
|
|
#include "jvmti_helper.h"
|
|
#include "nativehelper/scoped_local_ref.h"
|
|
#include "nativehelper/scoped_primitive_array.h"
|
|
#include "test_env.h"
|
|
|
|
namespace art {
|
|
namespace Test1940DdmExt {
|
|
|
|
using DdmHandleChunk = jvmtiError(*)(jvmtiEnv* env,
|
|
jint type_in,
|
|
jint len_in,
|
|
const jbyte* data_in,
|
|
jint* type_out,
|
|
jint* len_data_out,
|
|
jbyte** data_out);
|
|
|
|
struct DdmCallbackData {
|
|
public:
|
|
DdmCallbackData(jint type, jint size, jbyte* data) : type_(type), data_(data, data + size) {}
|
|
jint type_;
|
|
std::vector<jbyte> data_;
|
|
};
|
|
struct DdmsTrackingData {
|
|
DdmHandleChunk send_ddm_chunk;
|
|
jrawMonitorID callback_mon;
|
|
std::queue<DdmCallbackData> callbacks_received;
|
|
};
|
|
|
|
template <typename T>
|
|
static void Dealloc(T* t) {
|
|
jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(t));
|
|
}
|
|
|
|
template <typename T, typename ...Rest>
|
|
static void Dealloc(T* t, Rest... rs) {
|
|
Dealloc(t);
|
|
Dealloc(rs...);
|
|
}
|
|
|
|
extern "C" JNIEXPORT jobject JNICALL Java_art_Test1940_processChunk(JNIEnv* env,
|
|
jclass,
|
|
jobject chunk) {
|
|
DdmsTrackingData* data = nullptr;
|
|
if (JvmtiErrorToException(
|
|
env, jvmti_env, jvmti_env->GetEnvironmentLocalStorage(reinterpret_cast<void**>(&data)))) {
|
|
return nullptr;
|
|
}
|
|
CHECK(chunk != nullptr);
|
|
CHECK(data != nullptr);
|
|
CHECK(data->send_ddm_chunk != nullptr);
|
|
ScopedLocalRef<jclass> chunk_class(env, env->FindClass("org/apache/harmony/dalvik/ddmc/Chunk"));
|
|
if (env->ExceptionCheck()) {
|
|
return nullptr;
|
|
}
|
|
jfieldID type_field_id = env->GetFieldID(chunk_class.get(), "type", "I");
|
|
jfieldID offset_field_id = env->GetFieldID(chunk_class.get(), "offset", "I");
|
|
jfieldID length_field_id = env->GetFieldID(chunk_class.get(), "length", "I");
|
|
jfieldID data_field_id = env->GetFieldID(chunk_class.get(), "data", "[B");
|
|
jint type = env->GetIntField(chunk, type_field_id);
|
|
jint off = env->GetIntField(chunk, offset_field_id);
|
|
jint len = env->GetIntField(chunk, length_field_id);
|
|
ScopedLocalRef<jbyteArray> chunk_buf(
|
|
env, reinterpret_cast<jbyteArray>(env->GetObjectField(chunk, data_field_id)));
|
|
if (env->ExceptionCheck()) {
|
|
return nullptr;
|
|
}
|
|
ScopedByteArrayRO byte_data(env, chunk_buf.get());
|
|
jint out_type;
|
|
jint out_size;
|
|
jbyte* out_data;
|
|
if (JvmtiErrorToException(env, jvmti_env, data->send_ddm_chunk(jvmti_env,
|
|
type,
|
|
len,
|
|
&byte_data[off],
|
|
/*out*/&out_type,
|
|
/*out*/&out_size,
|
|
/*out*/&out_data))) {
|
|
return nullptr;
|
|
} else {
|
|
ScopedLocalRef<jbyteArray> chunk_data(env, env->NewByteArray(out_size));
|
|
env->SetByteArrayRegion(chunk_data.get(), 0, out_size, out_data);
|
|
Dealloc(out_data);
|
|
ScopedLocalRef<jobject> res(env, env->NewObject(chunk_class.get(),
|
|
env->GetMethodID(chunk_class.get(),
|
|
"<init>",
|
|
"(I[BII)V"),
|
|
out_type,
|
|
chunk_data.get(),
|
|
0,
|
|
out_size));
|
|
return res.release();
|
|
}
|
|
}
|
|
|
|
static void DeallocParams(jvmtiParamInfo* params, jint n_params) {
|
|
for (jint i = 0; i < n_params; i++) {
|
|
Dealloc(params[i].name);
|
|
}
|
|
}
|
|
|
|
extern "C" JNIEXPORT void JNICALL Java_art_Test1940_publishListen(JNIEnv* env,
|
|
jclass test_klass,
|
|
jobject publish) {
|
|
jmethodID publish_method = env->FromReflectedMethod(publish);
|
|
DdmsTrackingData* data = nullptr;
|
|
if (JvmtiErrorToException(
|
|
env, jvmti_env, jvmti_env->GetEnvironmentLocalStorage(reinterpret_cast<void**>(&data)))) {
|
|
return;
|
|
}
|
|
std::vector<DdmCallbackData> callbacks;
|
|
while (true) {
|
|
if (JvmtiErrorToException(env, jvmti_env, jvmti_env->RawMonitorEnter(data->callback_mon))) {
|
|
return;
|
|
}
|
|
while (data->callbacks_received.empty()) {
|
|
if (JvmtiErrorToException(env, jvmti_env, jvmti_env->RawMonitorWait(data->callback_mon, 0))) {
|
|
CHECK_EQ(JVMTI_ERROR_NONE, jvmti_env->RawMonitorExit(data->callback_mon));
|
|
return;
|
|
}
|
|
}
|
|
while (!data->callbacks_received.empty()) {
|
|
callbacks.emplace_back(std::move(data->callbacks_received.front()));
|
|
data->callbacks_received.pop();
|
|
}
|
|
if (JvmtiErrorToException(env, jvmti_env, jvmti_env->RawMonitorExit(data->callback_mon))) {
|
|
return;
|
|
}
|
|
for (auto cb : callbacks) {
|
|
ScopedLocalRef<jbyteArray> res(env, env->NewByteArray(cb.data_.size()));
|
|
env->SetByteArrayRegion(res.get(), 0, cb.data_.size(), cb.data_.data());
|
|
env->CallStaticVoidMethod(test_klass, publish_method, cb.type_, res.get());
|
|
}
|
|
callbacks.clear();
|
|
}
|
|
}
|
|
|
|
static void JNICALL PublishCB(jvmtiEnv* jvmti, jint type, jint size, jbyte* bytes) {
|
|
DdmsTrackingData* data = nullptr;
|
|
CHECK_EQ(JVMTI_ERROR_NONE, jvmti->GetEnvironmentLocalStorage(reinterpret_cast<void**>(&data)));
|
|
CHECK_EQ(JVMTI_ERROR_NONE, jvmti->RawMonitorEnter(data->callback_mon));
|
|
data->callbacks_received.emplace(type, size, bytes);
|
|
CHECK_EQ(JVMTI_ERROR_NONE, jvmti->RawMonitorNotifyAll(data->callback_mon));
|
|
CHECK_EQ(JVMTI_ERROR_NONE, jvmti->RawMonitorExit(data->callback_mon));
|
|
}
|
|
|
|
extern "C" JNIEXPORT void JNICALL Java_art_Test1940_initializeTest(JNIEnv* env, jclass) {
|
|
void* old_data = nullptr;
|
|
if (JvmtiErrorToException(env, jvmti_env, jvmti_env->GetEnvironmentLocalStorage(&old_data))) {
|
|
return;
|
|
} else if (old_data != nullptr) {
|
|
ScopedLocalRef<jclass> rt_exception(env, env->FindClass("java/lang/RuntimeException"));
|
|
env->ThrowNew(rt_exception.get(), "Environment already has local storage set!");
|
|
return;
|
|
}
|
|
void* mem = nullptr;
|
|
if (JvmtiErrorToException(env,
|
|
jvmti_env,
|
|
jvmti_env->Allocate(sizeof(DdmsTrackingData),
|
|
reinterpret_cast<unsigned char**>(&mem)))) {
|
|
return;
|
|
}
|
|
DdmsTrackingData* data = new (mem) DdmsTrackingData{};
|
|
if (JvmtiErrorToException(
|
|
env, jvmti_env, jvmti_env->CreateRawMonitor("callback-mon", &data->callback_mon))) {
|
|
return;
|
|
}
|
|
// Get the extensions.
|
|
jint n_ext = 0;
|
|
jvmtiExtensionFunctionInfo* infos = nullptr;
|
|
if (JvmtiErrorToException(env, jvmti_env, jvmti_env->GetExtensionFunctions(&n_ext, &infos))) {
|
|
return;
|
|
}
|
|
for (jint i = 0; i < n_ext; i++) {
|
|
jvmtiExtensionFunctionInfo* cur_info = &infos[i];
|
|
if (strcmp("com.android.art.internal.ddm.process_chunk", cur_info->id) == 0) {
|
|
data->send_ddm_chunk = reinterpret_cast<DdmHandleChunk>(cur_info->func);
|
|
}
|
|
// Cleanup the cur_info
|
|
DeallocParams(cur_info->params, cur_info->param_count);
|
|
Dealloc(cur_info->id, cur_info->short_description, cur_info->params, cur_info->errors);
|
|
}
|
|
// Cleanup the array.
|
|
Dealloc(infos);
|
|
if (data->send_ddm_chunk == nullptr) {
|
|
ScopedLocalRef<jclass> rt_exception(env, env->FindClass("java/lang/RuntimeException"));
|
|
env->ThrowNew(rt_exception.get(), "Unable to find memory tracking extensions.");
|
|
return;
|
|
}
|
|
if (JvmtiErrorToException(env, jvmti_env, jvmti_env->SetEnvironmentLocalStorage(data))) {
|
|
return;
|
|
}
|
|
|
|
jint event_index = -1;
|
|
bool found_event = false;
|
|
jvmtiExtensionEventInfo* events = nullptr;
|
|
if (JvmtiErrorToException(env, jvmti_env, jvmti_env->GetExtensionEvents(&n_ext, &events))) {
|
|
return;
|
|
}
|
|
for (jint i = 0; i < n_ext; i++) {
|
|
jvmtiExtensionEventInfo* cur_info = &events[i];
|
|
if (strcmp("com.android.art.internal.ddm.publish_chunk_safe", cur_info->id) == 0) {
|
|
found_event = true;
|
|
event_index = cur_info->extension_event_index;
|
|
}
|
|
// Cleanup the cur_info
|
|
DeallocParams(cur_info->params, cur_info->param_count);
|
|
Dealloc(cur_info->id, cur_info->short_description, cur_info->params);
|
|
}
|
|
// Cleanup the array.
|
|
Dealloc(events);
|
|
if (!found_event) {
|
|
ScopedLocalRef<jclass> rt_exception(env, env->FindClass("java/lang/RuntimeException"));
|
|
env->ThrowNew(rt_exception.get(), "Unable to find ddms extension event.");
|
|
return;
|
|
}
|
|
JvmtiErrorToException(env,
|
|
jvmti_env,
|
|
jvmti_env->SetExtensionEventCallback(
|
|
event_index, reinterpret_cast<jvmtiExtensionEvent>(PublishCB)));
|
|
return;
|
|
}
|
|
|
|
} // namespace Test1940DdmExt
|
|
} // namespace art
|