blob: 3a6788a8e3ee795003dc2419ffeaff17f2842471 [file] [log] [blame]
/*
* Copyright (C) 2016 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 "909-attach-agent/attach.h"
#include <jni.h>
#include <stdio.h>
#include <string.h>
#include "android-base/macros.h"
#include "jvmti.h"
namespace art {
namespace Test909AttachAgent {
static void Println(const char* c) {
fprintf(stdout, "%s\n", c);
fflush(stdout);
}
jint OnAttach(JavaVM* vm,
char* options ATTRIBUTE_UNUSED,
void* reserved ATTRIBUTE_UNUSED) {
Println("Attached Agent for test 909-attach-agent");
jvmtiEnv* env = nullptr;
jvmtiEnv* env2 = nullptr;
#define CHECK_CALL_SUCCESS(c) \
do { \
if ((c) != JNI_OK) { \
Println("call " #c " did not succeed"); \
return -1; \
} \
} while (false)
CHECK_CALL_SUCCESS(vm->GetEnv(reinterpret_cast<void**>(&env), JVMTI_VERSION_1_0));
CHECK_CALL_SUCCESS(vm->GetEnv(reinterpret_cast<void**>(&env2), JVMTI_VERSION_1_0));
if (env == env2) {
Println("GetEnv returned same environment twice!");
return -1;
}
unsigned char* local_data = nullptr;
CHECK_CALL_SUCCESS(env->Allocate(8, &local_data));
strcpy(reinterpret_cast<char*>(local_data), "hello!!");
CHECK_CALL_SUCCESS(env->SetEnvironmentLocalStorage(local_data));
unsigned char* get_data = nullptr;
CHECK_CALL_SUCCESS(env->GetEnvironmentLocalStorage(reinterpret_cast<void**>(&get_data)));
if (get_data != local_data) {
Println("Got different data from local storage then what was set!");
return -1;
}
CHECK_CALL_SUCCESS(env2->GetEnvironmentLocalStorage(reinterpret_cast<void**>(&get_data)));
if (get_data != nullptr) {
Println("env2 did not have nullptr local storage.");
return -1;
}
CHECK_CALL_SUCCESS(env->Deallocate(local_data));
jint version = 0;
CHECK_CALL_SUCCESS(env->GetVersionNumber(&version));
if ((version & JVMTI_VERSION_1) != JVMTI_VERSION_1) {
Println("Unexpected version number!");
return -1;
}
CHECK_CALL_SUCCESS(env->DisposeEnvironment());
CHECK_CALL_SUCCESS(env2->DisposeEnvironment());
#undef CHECK_CALL_SUCCESS
return JNI_OK;
}
} // namespace Test909AttachAgent
} // namespace art