blob: 4bf329c8e1c11121866666265593d4fcb3d2ba40 [file] [log] [blame]
Andreas Gampee492ae32016-10-28 19:34:57 -07001/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "classes.h"
18
19#include <stdio.h>
20
21#include "base/macros.h"
22#include "jni.h"
23#include "openjdkjvmti/jvmti.h"
24#include "ScopedLocalRef.h"
25
26#include "ti-agent/common_load.h"
27
28namespace art {
29namespace Test912Classes {
30
31extern "C" JNIEXPORT jobjectArray JNICALL Java_Main_getClassSignature(
32 JNIEnv* env, jclass Main_klass ATTRIBUTE_UNUSED, jclass klass) {
33 char* sig;
34 char* gen;
35 jvmtiError result = jvmti_env->GetClassSignature(klass, &sig, &gen);
36 if (result != JVMTI_ERROR_NONE) {
37 char* err;
38 jvmti_env->GetErrorName(result, &err);
39 printf("Failure running GetClassSignature: %s\n", err);
40 return nullptr;
41 }
42
43 ScopedLocalRef<jclass> obj_class(env, env->FindClass("java/lang/String"));
44 if (obj_class.get() == nullptr) {
45 return nullptr;
46 }
47
48 jobjectArray ret = env->NewObjectArray(2, obj_class.get(), nullptr);
49 if (ret == nullptr) {
50 return ret;
51 }
52
53 ScopedLocalRef<jstring> sig_str(env, sig == nullptr ? nullptr : env->NewStringUTF(sig));
54 ScopedLocalRef<jstring> gen_str(env, gen == nullptr ? nullptr : env->NewStringUTF(gen));
55
56 env->SetObjectArrayElement(ret, 0, sig_str.get());
57 env->SetObjectArrayElement(ret, 1, gen_str.get());
58
59 // Need to deallocate the strings.
60 if (sig != nullptr) {
61 jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(sig));
62 }
63 if (gen != nullptr) {
64 jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(gen));
65 }
66
67 return ret;
68}
69
70// Don't do anything
71jint OnLoad(JavaVM* vm,
72 char* options ATTRIBUTE_UNUSED,
73 void* reserved ATTRIBUTE_UNUSED) {
74 if (vm->GetEnv(reinterpret_cast<void**>(&jvmti_env), JVMTI_VERSION_1_0)) {
75 printf("Unable to get jvmti env!\n");
76 return 1;
77 }
78 return 0;
79}
80
81} // namespace Test912Classes
82} // namespace art