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/*
* Copyright (C) 2008 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.
*/
/*
* Types and macros used internally by the heap.
*/
#ifndef DALVIK_ALLOC_HEAP_INTERNAL_H_
#define DALVIK_ALLOC_HEAP_INTERNAL_H_
#include "MarkSweep.h"
struct HeapSource;
struct GcHeap {
HeapSource *heapSource;
/* Linked lists of subclass instances of java/lang/ref/Reference
* that we find while recursing. The "next" pointers are hidden
* in the Reference objects' pendingNext fields. These lists are
* cleared and rebuilt each time the GC runs.
*/
Object *softReferences;
Object *weakReferences;
Object *finalizerReferences;
Object *phantomReferences;
/* The list of Reference objects that need to be enqueued.
*/
Object *clearedReferences;
/* The current state of the mark step.
* Only valid during a GC.
*/
GcMarkContext markContext;
/* GC's card table */
u1* cardTableBase;
size_t cardTableLength;
size_t cardTableMaxLength;
size_t cardTableOffset;
/* Is the GC running? Used to avoid recursive calls to GC.
*/
bool gcRunning;
/*
* Debug control values
*/
int ddmHpifWhen;
int ddmHpsgWhen;
int ddmHpsgWhat;
int ddmNhsgWhen;
int ddmNhsgWhat;
};
bool dvmLockHeap(void);
void dvmUnlockHeap(void);
/*
* Logging helpers
*/
#define HEAP_LOG_TAG LOG_TAG "-heap"
#if LOG_NDEBUG
#define LOGV_HEAP(...) ((void)0)
#define LOGD_HEAP(...) ((void)0)
#else
#define LOGV_HEAP(...) LOG(LOG_VERBOSE, HEAP_LOG_TAG, __VA_ARGS__)
#define LOGD_HEAP(...) LOG(LOG_DEBUG, HEAP_LOG_TAG, __VA_ARGS__)
#endif
#define LOGI_HEAP(...) \
do { \
if (!gDvm.zygote) { LOG(LOG_INFO, HEAP_LOG_TAG, __VA_ARGS__); } \
} while (0)
#define LOGW_HEAP(...) LOG(LOG_WARN, HEAP_LOG_TAG, __VA_ARGS__)
#define LOGE_HEAP(...) LOG(LOG_ERROR, HEAP_LOG_TAG, __VA_ARGS__)
#define FRACTIONAL_MB(n) (n) / (1024 * 1024), \
((((n) % (1024 * 1024)) / 1024) * 1000) / 1024
#define FRACTIONAL_PCT(n,max) ((n) * 100) / (max), \
(((n) * 1000) / (max)) % 10
#endif // DALVIK_ALLOC_HEAP_INTERNAL_H_