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75 lines
2.3 KiB
75 lines
2.3 KiB
4 months ago
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/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <jni.h>
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#include <stdio.h>
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#include <android-base/logging.h>
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#include <android-base/macros.h>
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#include "art_method-inl.h"
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#include "jni/java_vm_ext.h"
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#include "runtime.h"
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namespace art {
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constexpr jint TEST_900_ENV_VERSION_NUMBER = 0x900FFFFF;
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constexpr uintptr_t ENV_VALUE = 900;
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// Allow this library to be used as a plugin too so we can test the stack.
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static jint GetEnvHandler(JavaVMExt* vm ATTRIBUTE_UNUSED, void** new_env, jint version) {
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printf("%s called in test 900\n", __func__);
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if (version != TEST_900_ENV_VERSION_NUMBER) {
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return JNI_EVERSION;
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}
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printf("GetEnvHandler called with version 0x%x\n", version);
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*new_env = reinterpret_cast<void*>(ENV_VALUE);
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return JNI_OK;
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}
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extern "C" bool ArtPlugin_Initialize() {
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printf("%s called in test 900\n", __func__);
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Runtime::Current()->GetJavaVM()->AddEnvironmentHook(GetEnvHandler);
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return true;
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}
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extern "C" bool ArtPlugin_Deinitialize() {
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printf("%s called in test 900\n", __func__);
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return true;
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}
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extern "C" JNIEXPORT jint JNICALL Agent_OnLoad(JavaVM* vm,
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char* options,
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void* reserved ATTRIBUTE_UNUSED) {
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printf("Agent_OnLoad called with options \"%s\"\n", options);
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if (strcmp("test_900_round_2", options) == 0) {
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return 0;
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}
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uintptr_t env = 0;
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jint res = vm->GetEnv(reinterpret_cast<void**>(&env), TEST_900_ENV_VERSION_NUMBER);
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if (res != JNI_OK) {
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printf("GetEnv(TEST_900_ENV_VERSION_NUMBER) returned non-zero\n");
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}
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printf("GetEnv returned '%" PRIdPTR "' environment!\n", env);
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return 0;
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}
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extern "C" JNIEXPORT void JNICALL Agent_OnUnload(JavaVM* vm ATTRIBUTE_UNUSED) {
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printf("Agent_OnUnload called\n");
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}
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} // namespace art
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