1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/*
* 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 <stdio.h>
#include "android-base/macros.h"
#include "jni.h"
#include "jvmti.h"
#include "scoped_local_ref.h"
// Test infrastructure
#include "jni_helper.h"
#include "jvmti_helper.h"
#include "test_env.h"
namespace art {
namespace Test910Methods {
extern "C" JNIEXPORT jobjectArray JNICALL Java_art_Test910_getMethodName(
JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
jmethodID id = env->FromReflectedMethod(method);
char* name;
char* sig;
char* gen;
jvmtiError result = jvmti_env->GetMethodName(id, &name, &sig, &gen);
if (JvmtiErrorToException(env, jvmti_env, result)) {
return nullptr;
}
auto callback = [&](jint i) {
if (i == 0) {
return name == nullptr ? nullptr : env->NewStringUTF(name);
} else if (i == 1) {
return sig == nullptr ? nullptr : env->NewStringUTF(sig);
} else {
return gen == nullptr ? nullptr : env->NewStringUTF(gen);
}
};
jobjectArray ret = CreateObjectArray(env, 3, "java/lang/String", callback);
// Need to deallocate the strings.
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));
}
// Also run GetMethodName with all parameter pointers null to check for segfaults.
jvmtiError result2 = jvmti_env->GetMethodName(id, nullptr, nullptr, nullptr);
if (JvmtiErrorToException(env, jvmti_env, result2)) {
return nullptr;
}
return ret;
}
extern "C" JNIEXPORT jclass JNICALL Java_art_Test910_getMethodDeclaringClass(
JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
jmethodID id = env->FromReflectedMethod(method);
jclass declaring_class;
jvmtiError result = jvmti_env->GetMethodDeclaringClass(id, &declaring_class);
if (JvmtiErrorToException(env, jvmti_env, result)) {
return nullptr;
}
return declaring_class;
}
extern "C" JNIEXPORT jint JNICALL Java_art_Test910_getMethodModifiers(
JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
jmethodID id = env->FromReflectedMethod(method);
jint modifiers;
jvmtiError result = jvmti_env->GetMethodModifiers(id, &modifiers);
if (JvmtiErrorToException(env, jvmti_env, result)) {
return 0;
}
return modifiers;
}
extern "C" JNIEXPORT jint JNICALL Java_art_Test910_getMaxLocals(
JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
jmethodID id = env->FromReflectedMethod(method);
jint max_locals;
jvmtiError result = jvmti_env->GetMaxLocals(id, &max_locals);
if (JvmtiErrorToException(env, jvmti_env, result)) {
return -1;
}
return max_locals;
}
extern "C" JNIEXPORT jint JNICALL Java_art_Test910_getArgumentsSize(
JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
jmethodID id = env->FromReflectedMethod(method);
jint arguments;
jvmtiError result = jvmti_env->GetArgumentsSize(id, &arguments);
if (JvmtiErrorToException(env, jvmti_env, result)) {
return -1;
}
return arguments;
}
extern "C" JNIEXPORT jlong JNICALL Java_art_Test910_getMethodLocationStart(
JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
jmethodID id = env->FromReflectedMethod(method);
jlong start;
jlong end;
jvmtiError result = jvmti_env->GetMethodLocation(id, &start, &end);
if (JvmtiErrorToException(env, jvmti_env, result)) {
return -1;
}
return start;
}
extern "C" JNIEXPORT jlong JNICALL Java_art_Test910_getMethodLocationEnd(
JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
jmethodID id = env->FromReflectedMethod(method);
jlong start;
jlong end;
jvmtiError result = jvmti_env->GetMethodLocation(id, &start, &end);
if (JvmtiErrorToException(env, jvmti_env, result)) {
return -1;
}
return end;
}
extern "C" JNIEXPORT jboolean JNICALL Java_art_Test910_isMethodNative(
JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
jmethodID id = env->FromReflectedMethod(method);
jboolean is_native;
jvmtiError result = jvmti_env->IsMethodNative(id, &is_native);
if (JvmtiErrorToException(env, jvmti_env, result)) {
return JNI_FALSE;
}
return is_native;
}
extern "C" JNIEXPORT jboolean JNICALL Java_art_Test910_isMethodObsolete(
JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
jmethodID id = env->FromReflectedMethod(method);
jboolean is_obsolete;
jvmtiError result = jvmti_env->IsMethodObsolete(id, &is_obsolete);
if (JvmtiErrorToException(env, jvmti_env, result)) {
return JNI_FALSE;
}
return is_obsolete;
}
extern "C" JNIEXPORT jboolean JNICALL Java_art_Test910_isMethodSynthetic(
JNIEnv* env, jclass klass ATTRIBUTE_UNUSED, jobject method) {
jmethodID id = env->FromReflectedMethod(method);
jboolean is_synthetic;
jvmtiError result = jvmti_env->IsMethodSynthetic(id, &is_synthetic);
if (JvmtiErrorToException(env, jvmti_env, result)) {
return JNI_FALSE;
}
return is_synthetic;
}
} // namespace Test910Methods
} // namespace art
|
