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/*
* Copyright (C) 2014 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 "native_bridge_art_interface.h"
#include "mirror/art_method-inl.h"
#include "mirror/class-inl.h"
#include "scoped_thread_state_change.h"
namespace art {
const char* GetMethodShorty(JNIEnv* env, jmethodID mid) {
ScopedObjectAccess soa(env);
StackHandleScope<1> scope(soa.Self());
mirror::ArtMethod* m = soa.DecodeMethod(mid);
MethodHelper mh(scope.NewHandle(m));
return mh.GetShorty();
}
uint32_t GetNativeMethodCount(JNIEnv* env, jclass clazz) {
if (clazz == nullptr)
return 0;
ScopedObjectAccess soa(env);
mirror::Class* c = soa.Decode<mirror::Class*>(clazz);
uint32_t native_method_count = 0;
for (uint32_t i = 0; i < c->NumDirectMethods(); ++i) {
mirror::ArtMethod* m = c->GetDirectMethod(i);
if (m->IsNative()) {
native_method_count++;
}
}
for (uint32_t i = 0; i < c->NumVirtualMethods(); ++i) {
mirror::ArtMethod* m = c->GetVirtualMethod(i);
if (m->IsNative()) {
native_method_count++;
}
}
return native_method_count;
}
uint32_t GetNativeMethods(JNIEnv* env, jclass clazz, JNINativeMethod* methods,
uint32_t method_count) {
if ((clazz == nullptr) || (methods == nullptr)) {
return 0;
}
ScopedObjectAccess soa(env);
mirror::Class* c = soa.Decode<mirror::Class*>(clazz);
uint32_t count = 0;
for (uint32_t i = 0; i < c->NumDirectMethods(); ++i) {
mirror::ArtMethod* m = c->GetDirectMethod(i);
if (m->IsNative()) {
if (count < method_count) {
methods[count].name = m->GetName();
methods[count].signature = m->GetShorty();
methods[count].fnPtr = const_cast<void*>(m->GetNativeMethod());
count++;
} else {
LOG(WARNING) << "Output native method array too small. Skipping " << PrettyMethod(m);
}
}
}
for (uint32_t i = 0; i < c->NumVirtualMethods(); ++i) {
mirror::ArtMethod* m = c->GetVirtualMethod(i);
if (m->IsNative()) {
if (count < method_count) {
methods[count].name = m->GetName();
methods[count].signature = m->GetShorty();
methods[count].fnPtr = const_cast<void*>(m->GetNativeMethod());
count++;
} else {
LOG(WARNING) << "Output native method array too small. Skipping " << PrettyMethod(m);
}
}
}
return count;
}
}; // namespace art
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