Refactoring: rename linker_allocator files
Change-Id: Ifc08e64b3a85205f072b7abab1149c7ab71e2f75
This commit is contained in:
@@ -1,70 +0,0 @@
|
||||
/*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#ifndef __LINKER_ALLOCATOR_H
|
||||
#define __LINKER_ALLOCATOR_H
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <limits.h>
|
||||
#include "private/bionic_macros.h"
|
||||
|
||||
struct LinkerAllocatorPage;
|
||||
|
||||
/*
|
||||
* This class is a non-template version of the LinkerAllocator
|
||||
* It keeps code inside .cpp file by keeping the interface
|
||||
* template-free.
|
||||
*
|
||||
* Please use LinkerAllocator<type> where possible (everywhere).
|
||||
*/
|
||||
class LinkerBlockAllocator {
|
||||
public:
|
||||
explicit LinkerBlockAllocator(size_t block_size);
|
||||
|
||||
void* alloc();
|
||||
void free(void* block);
|
||||
void protect_all(int prot);
|
||||
|
||||
private:
|
||||
void create_new_page();
|
||||
LinkerAllocatorPage* find_page(void* block);
|
||||
|
||||
size_t block_size_;
|
||||
LinkerAllocatorPage* page_list_;
|
||||
void* free_block_list_;
|
||||
|
||||
DISALLOW_COPY_AND_ASSIGN(LinkerBlockAllocator);
|
||||
};
|
||||
|
||||
/*
|
||||
* We can't use malloc(3) in the dynamic linker.
|
||||
*
|
||||
* A simple allocator for the dynamic linker. An allocator allocates instances
|
||||
* of a single fixed-size type. Allocations are backed by page-sized private
|
||||
* anonymous mmaps.
|
||||
*/
|
||||
template<typename T>
|
||||
class LinkerAllocator {
|
||||
public:
|
||||
LinkerAllocator() : block_allocator_(sizeof(T)) {}
|
||||
T* alloc() { return reinterpret_cast<T*>(block_allocator_.alloc()); }
|
||||
void free(T* t) { block_allocator_.free(t); }
|
||||
void protect_all(int prot) { block_allocator_.protect_all(prot); }
|
||||
private:
|
||||
LinkerBlockAllocator block_allocator_;
|
||||
DISALLOW_COPY_AND_ASSIGN(LinkerAllocator);
|
||||
};
|
||||
#endif // __LINKER_ALLOCATOR_H
|
Reference in New Issue
Block a user