1*795d594fSAndroid Build Coastguard Worker /*
2*795d594fSAndroid Build Coastguard Worker * Copyright (C) 2018 The Android Open Source Project
3*795d594fSAndroid Build Coastguard Worker *
4*795d594fSAndroid Build Coastguard Worker * Licensed under the Apache License, Version 2.0 (the "License");
5*795d594fSAndroid Build Coastguard Worker * you may not use this file except in compliance with the License.
6*795d594fSAndroid Build Coastguard Worker * You may obtain a copy of the License at
7*795d594fSAndroid Build Coastguard Worker *
8*795d594fSAndroid Build Coastguard Worker * http://www.apache.org/licenses/LICENSE-2.0
9*795d594fSAndroid Build Coastguard Worker *
10*795d594fSAndroid Build Coastguard Worker * Unless required by applicable law or agreed to in writing, software
11*795d594fSAndroid Build Coastguard Worker * distributed under the License is distributed on an "AS IS" BASIS,
12*795d594fSAndroid Build Coastguard Worker * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*795d594fSAndroid Build Coastguard Worker * See the License for the specific language governing permissions and
14*795d594fSAndroid Build Coastguard Worker * limitations under the License.
15*795d594fSAndroid Build Coastguard Worker */
16*795d594fSAndroid Build Coastguard Worker
17*795d594fSAndroid Build Coastguard Worker
18*795d594fSAndroid Build Coastguard Worker #include <cstdio>
19*795d594fSAndroid Build Coastguard Worker #include <memory>
20*795d594fSAndroid Build Coastguard Worker #include <string>
21*795d594fSAndroid Build Coastguard Worker #include <vector>
22*795d594fSAndroid Build Coastguard Worker
23*795d594fSAndroid Build Coastguard Worker #include "android-base/logging.h"
24*795d594fSAndroid Build Coastguard Worker #include "android-base/stringprintf.h"
25*795d594fSAndroid Build Coastguard Worker
26*795d594fSAndroid Build Coastguard Worker #include "jni.h"
27*795d594fSAndroid Build Coastguard Worker #include "jvmti.h"
28*795d594fSAndroid Build Coastguard Worker #include "scoped_local_ref.h"
29*795d594fSAndroid Build Coastguard Worker #include "scoped_utf_chars.h"
30*795d594fSAndroid Build Coastguard Worker
31*795d594fSAndroid Build Coastguard Worker // Test infrastructure
32*795d594fSAndroid Build Coastguard Worker #include "jni_helper.h"
33*795d594fSAndroid Build Coastguard Worker #include "jvmti_helper.h"
34*795d594fSAndroid Build Coastguard Worker #include "test_env.h"
35*795d594fSAndroid Build Coastguard Worker #include "ti_macros.h"
36*795d594fSAndroid Build Coastguard Worker
37*795d594fSAndroid Build Coastguard Worker namespace art {
38*795d594fSAndroid Build Coastguard Worker namespace Test1957ErrorExt {
39*795d594fSAndroid Build Coastguard Worker
40*795d594fSAndroid Build Coastguard Worker using GetLastError = jvmtiError(*)(jvmtiEnv* env, char** msg);
41*795d594fSAndroid Build Coastguard Worker using ClearLastError = jvmtiError(*)(jvmtiEnv* env);
42*795d594fSAndroid Build Coastguard Worker
43*795d594fSAndroid Build Coastguard Worker template <typename T>
Dealloc(T * t)44*795d594fSAndroid Build Coastguard Worker static void Dealloc(T* t) {
45*795d594fSAndroid Build Coastguard Worker jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(t));
46*795d594fSAndroid Build Coastguard Worker }
47*795d594fSAndroid Build Coastguard Worker
48*795d594fSAndroid Build Coastguard Worker template <typename T, typename ...Rest>
Dealloc(T * t,Rest...rs)49*795d594fSAndroid Build Coastguard Worker static void Dealloc(T* t, Rest... rs) {
50*795d594fSAndroid Build Coastguard Worker Dealloc(t);
51*795d594fSAndroid Build Coastguard Worker Dealloc(rs...);
52*795d594fSAndroid Build Coastguard Worker }
53*795d594fSAndroid Build Coastguard Worker
DeallocParams(jvmtiParamInfo * params,jint n_params)54*795d594fSAndroid Build Coastguard Worker static void DeallocParams(jvmtiParamInfo* params, jint n_params) {
55*795d594fSAndroid Build Coastguard Worker for (jint i = 0; i < n_params; i++) {
56*795d594fSAndroid Build Coastguard Worker Dealloc(params[i].name);
57*795d594fSAndroid Build Coastguard Worker }
58*795d594fSAndroid Build Coastguard Worker }
59*795d594fSAndroid Build Coastguard Worker
FindExtensionMethod(JNIEnv * env,const std::string & name)60*795d594fSAndroid Build Coastguard Worker static jvmtiExtensionFunction FindExtensionMethod(JNIEnv* env, const std::string& name) {
61*795d594fSAndroid Build Coastguard Worker jint n_ext;
62*795d594fSAndroid Build Coastguard Worker jvmtiExtensionFunctionInfo* infos;
63*795d594fSAndroid Build Coastguard Worker if (JvmtiErrorToException(env, jvmti_env, jvmti_env->GetExtensionFunctions(&n_ext, &infos))) {
64*795d594fSAndroid Build Coastguard Worker return nullptr;
65*795d594fSAndroid Build Coastguard Worker }
66*795d594fSAndroid Build Coastguard Worker jvmtiExtensionFunction res = nullptr;
67*795d594fSAndroid Build Coastguard Worker for (jint i = 0; i < n_ext; i++) {
68*795d594fSAndroid Build Coastguard Worker jvmtiExtensionFunctionInfo* cur_info = &infos[i];
69*795d594fSAndroid Build Coastguard Worker if (strcmp(name.c_str(), cur_info->id) == 0) {
70*795d594fSAndroid Build Coastguard Worker res = cur_info->func;
71*795d594fSAndroid Build Coastguard Worker }
72*795d594fSAndroid Build Coastguard Worker // Cleanup the cur_info
73*795d594fSAndroid Build Coastguard Worker DeallocParams(cur_info->params, cur_info->param_count);
74*795d594fSAndroid Build Coastguard Worker Dealloc(cur_info->id, cur_info->short_description, cur_info->params, cur_info->errors);
75*795d594fSAndroid Build Coastguard Worker }
76*795d594fSAndroid Build Coastguard Worker // Cleanup the array.
77*795d594fSAndroid Build Coastguard Worker Dealloc(infos);
78*795d594fSAndroid Build Coastguard Worker if (res == nullptr) {
79*795d594fSAndroid Build Coastguard Worker ScopedLocalRef<jclass> rt_exception(env, env->FindClass("java/lang/RuntimeException"));
80*795d594fSAndroid Build Coastguard Worker env->ThrowNew(rt_exception.get(), (name + " extensions not found").c_str());
81*795d594fSAndroid Build Coastguard Worker return nullptr;
82*795d594fSAndroid Build Coastguard Worker }
83*795d594fSAndroid Build Coastguard Worker return res;
84*795d594fSAndroid Build Coastguard Worker }
85*795d594fSAndroid Build Coastguard Worker
86*795d594fSAndroid Build Coastguard Worker extern "C" JNIEXPORT
Java_art_Test1957_getLastError(JNIEnv * env,jclass klass)87*795d594fSAndroid Build Coastguard Worker jstring JNICALL Java_art_Test1957_getLastError(JNIEnv* env, [[maybe_unused]] jclass klass) {
88*795d594fSAndroid Build Coastguard Worker GetLastError get_last_error = reinterpret_cast<GetLastError>(
89*795d594fSAndroid Build Coastguard Worker FindExtensionMethod(env, "com.android.art.misc.get_last_error_message"));
90*795d594fSAndroid Build Coastguard Worker if (get_last_error == nullptr) {
91*795d594fSAndroid Build Coastguard Worker return nullptr;
92*795d594fSAndroid Build Coastguard Worker }
93*795d594fSAndroid Build Coastguard Worker char* msg;
94*795d594fSAndroid Build Coastguard Worker if (JvmtiErrorToException(env, jvmti_env, get_last_error(jvmti_env, &msg))) {
95*795d594fSAndroid Build Coastguard Worker return nullptr;
96*795d594fSAndroid Build Coastguard Worker }
97*795d594fSAndroid Build Coastguard Worker
98*795d594fSAndroid Build Coastguard Worker return env->NewStringUTF(msg);
99*795d594fSAndroid Build Coastguard Worker }
100*795d594fSAndroid Build Coastguard Worker
101*795d594fSAndroid Build Coastguard Worker extern "C" JNIEXPORT
Java_art_Test1957_clearLastError(JNIEnv * env,jclass klass)102*795d594fSAndroid Build Coastguard Worker void JNICALL Java_art_Test1957_clearLastError(JNIEnv* env, [[maybe_unused]] jclass klass) {
103*795d594fSAndroid Build Coastguard Worker ClearLastError clear_last_error = reinterpret_cast<ClearLastError>(
104*795d594fSAndroid Build Coastguard Worker FindExtensionMethod(env, "com.android.art.misc.clear_last_error_message"));
105*795d594fSAndroid Build Coastguard Worker if (clear_last_error == nullptr) {
106*795d594fSAndroid Build Coastguard Worker return;
107*795d594fSAndroid Build Coastguard Worker }
108*795d594fSAndroid Build Coastguard Worker JvmtiErrorToException(env, jvmti_env, clear_last_error(jvmti_env));
109*795d594fSAndroid Build Coastguard Worker }
110*795d594fSAndroid Build Coastguard Worker
111*795d594fSAndroid Build Coastguard Worker } // namespace Test1957ErrorExt
112*795d594fSAndroid Build Coastguard Worker } // namespace art
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