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/*
* Copyright (C) 2011 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 "dex_cache-inl.h"
#include "art_method-inl.h"
#include "base/logging.h"
#include "class_linker.h"
#include "gc/accounting/card_table-inl.h"
#include "gc/heap.h"
#include "globals.h"
#include "object.h"
#include "object-inl.h"
#include "object_array-inl.h"
#include "runtime.h"
#include "string.h"
namespace art {
namespace mirror {
void DexCache::Init(const DexFile* dex_file,
String* location,
GcRoot<String>* strings,
uint32_t num_strings,
GcRoot<Class>* resolved_types,
uint32_t num_resolved_types,
ArtMethod** resolved_methods,
uint32_t num_resolved_methods,
ArtField** resolved_fields,
uint32_t num_resolved_fields,
size_t pointer_size) {
CHECK(dex_file != nullptr);
CHECK(location != nullptr);
CHECK_EQ(num_strings != 0u, strings != nullptr);
CHECK_EQ(num_resolved_types != 0u, resolved_types != nullptr);
CHECK_EQ(num_resolved_methods != 0u, resolved_methods != nullptr);
CHECK_EQ(num_resolved_fields != 0u, resolved_fields != nullptr);
SetDexFile(dex_file);
SetFieldObject<false>(OFFSET_OF_OBJECT_MEMBER(DexCache, location_), location);
SetStrings(strings);
SetResolvedTypes(resolved_types);
SetResolvedMethods(resolved_methods);
SetResolvedFields(resolved_fields);
SetField32<false>(NumStringsOffset(), num_strings);
SetField32<false>(NumResolvedTypesOffset(), num_resolved_types);
SetField32<false>(NumResolvedMethodsOffset(), num_resolved_methods);
SetField32<false>(NumResolvedFieldsOffset(), num_resolved_fields);
Runtime* const runtime = Runtime::Current();
if (runtime->HasResolutionMethod()) {
// Initialize the resolve methods array to contain trampolines for resolution.
Fixup(runtime->GetResolutionMethod(), pointer_size);
}
}
void DexCache::Fixup(ArtMethod* trampoline, size_t pointer_size) {
// Fixup the resolve methods array to contain trampoline for resolution.
CHECK(trampoline != nullptr);
CHECK(trampoline->IsRuntimeMethod());
auto* resolved_methods = GetResolvedMethods();
for (size_t i = 0, length = NumResolvedMethods(); i < length; i++) {
if (GetElementPtrSize<ArtMethod*>(resolved_methods, i, pointer_size) == nullptr) {
SetElementPtrSize(resolved_methods, i, trampoline, pointer_size);
}
}
}
} // namespace mirror
} // namespace art
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