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Diffstat (limited to 'core/src/fxcrt/mem_int.h')
-rw-r--r--core/src/fxcrt/mem_int.h232
1 files changed, 0 insertions, 232 deletions
diff --git a/core/src/fxcrt/mem_int.h b/core/src/fxcrt/mem_int.h
deleted file mode 100644
index 3e3d25a7ec..0000000000
--- a/core/src/fxcrt/mem_int.h
+++ /dev/null
@@ -1,232 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef _FXM_MEM_INT_H_
-#define _FXM_MEM_INT_H_
-struct FX_DefAllocator {
- IFX_Allocator m_Allocator;
- struct CFX_MemoryMgr* m_pFoxitMgr;
-};
-struct CFX_MemoryMgr {
-public:
- FXMEM_SystemMgr* m_pSystemMgr;
- FX_DefAllocator m_DefAllocator;
- FX_LPVOID m_pExternalMemory;
- FX_BOOL m_bReleaseMgr;
- void Init(FXMEM_SystemMgr* pSystemMgr);
- void* Alloc(size_t size, int flags);
- void* AllocDebug(size_t size, int flags, FX_LPCSTR file, int line);
- void* Realloc(void* p, size_t size, int flags);
- void* ReallocDebug(void* p, size_t size, int flags, FX_LPCSTR file, int line);
- void Free(void* p, int flags);
- void PurgeMgr();
-};
-extern CFX_MemoryMgr* g_pDefFoxitMgr;
-#define FIXEDMEM_PAGE_EXTRASPACE sizeof(size_t)
-#define FIXEDMEM_BLOCKNUM(bs) (8 * (FX_FIXEDMEM_PAGESIZE - FIXEDMEM_PAGE_EXTRASPACE) / (8 * bs + 1))
-#define FIXEDMEM_8BYTES_BLOCKNUM FIXEDMEM_BLOCKNUM(8)
-#define FIXEDMEM_16BYTES_BLOCKNUM FIXEDMEM_BLOCKNUM(16)
-#define FIXEDMEM_32BYTES_BLOCKNUM FIXEDMEM_BLOCKNUM(32)
-extern const FX_BYTE ZeroLeadPos[256];
-extern const FX_BYTE OneLeadPos[256];
-template <size_t blockNum, size_t blockSize>
-class CFXMEM_FixedPage
-{
-public:
- void Initialize()
- {
- m_nAvailCount = blockNum;
- FXSYS_memset32(m_BusyMap, 0, (blockNum + 7) / 8);
- }
- FX_BOOL HasFreeBlock() const
- {
- return (FX_BOOL)m_nAvailCount;
- }
- FX_LPVOID Alloc(size_t size)
- {
- FXSYS_assert(m_nAvailCount);
- FX_LPDWORD pFind = (FX_LPDWORD)m_BusyMap;
- size_t i = 0;
- while (i < (blockNum + 7) / 8 / 4 && pFind[i] == 0xFFFFFFFF) {
- i ++;
- }
- i *= 4;
- while (m_BusyMap[i] == 0xFF) {
- i ++;
- }
- size_t pos = ZeroLeadPos[m_BusyMap[i]];
- m_BusyMap[i] |= 1 << (7 - pos);
- m_nAvailCount --;
- return (FX_LPBYTE)(this + 1) + (i * 8 + pos) * blockSize;
- }
- void Free(FX_LPVOID p)
- {
- FXSYS_assert(p > (FX_LPVOID)this && p < (FX_LPVOID)((FX_LPBYTE)this + FX_FIXEDMEM_PAGESIZE));
- size_t pos = ((FX_LPBYTE)p - (FX_LPBYTE)(this + 1)) / blockSize;
- m_BusyMap[pos / 8] &= ~(1 << (7 - (pos % 8)));
- m_nAvailCount ++;
- }
- volatile size_t m_nAvailCount;
- FX_BYTE m_BusyMap[(blockNum + 7) / 8];
-};
-typedef CFXMEM_FixedPage<FIXEDMEM_8BYTES_BLOCKNUM, 8> CFXMEM_8BytesPage;
-typedef CFXMEM_FixedPage<FIXEDMEM_16BYTES_BLOCKNUM, 16> CFXMEM_16BytesPage;
-typedef CFXMEM_FixedPage<FIXEDMEM_32BYTES_BLOCKNUM, 32> CFXMEM_32BytesPage;
-template <size_t blockNum, size_t blockSize>
-class CFXMEM_FixedPages
-{
-public:
- typedef CFXMEM_FixedPage<blockNum, blockSize> T;
- FX_LPBYTE m_pStartPage;
- FX_LPBYTE m_pLimitPos;
- FX_LPBYTE m_pCurPage;
- volatile size_t m_nAvailBlocks;
- void Initialize(FX_LPBYTE pStart, size_t pages)
- {
- m_pStartPage = m_pCurPage = pStart;
- m_nAvailBlocks = pages * blockNum;
- for (size_t n = 0; n < pages; n ++) {
- ((T*)pStart)->Initialize();
- pStart += FX_FIXEDMEM_PAGESIZE;
- }
- m_pLimitPos = pStart;
- }
- FX_BOOL IsEmpty() const
- {
- return m_nAvailBlocks == (m_pLimitPos - m_pStartPage) / FX_FIXEDMEM_PAGESIZE * blockNum;
- }
- FX_BOOL HasFreeBlock() const
- {
- return (FX_BOOL)m_nAvailBlocks;
- }
- FX_LPVOID Alloc(size_t size)
- {
- FXSYS_assert(m_nAvailBlocks);
- do {
- if (((T*)m_pCurPage)->HasFreeBlock()) {
- m_nAvailBlocks --;
- return ((T*)m_pCurPage)->Alloc(size);
- }
- m_pCurPage += FX_FIXEDMEM_PAGESIZE;
- if (m_pCurPage == m_pLimitPos) {
- m_pCurPage = m_pStartPage;
- }
- } while (TRUE);
- return NULL;
- }
- void Free(FX_LPVOID p)
- {
- FXSYS_assert(p > (FX_LPVOID)m_pStartPage && p < (FX_LPVOID)m_pLimitPos);
- ((T*)(m_pStartPage + ((FX_LPBYTE)p - m_pStartPage) / FX_FIXEDMEM_PAGESIZE * FX_FIXEDMEM_PAGESIZE))->Free(p);
- m_nAvailBlocks ++;
- }
-};
-typedef CFXMEM_FixedPages<FIXEDMEM_8BYTES_BLOCKNUM, 8> CFXMEM_8BytesPages;
-typedef CFXMEM_FixedPages<FIXEDMEM_16BYTES_BLOCKNUM, 16> CFXMEM_16BytesPages;
-typedef CFXMEM_FixedPages<FIXEDMEM_32BYTES_BLOCKNUM, 32> CFXMEM_32BytesPages;
-class CFXMEM_Block
-{
-public:
- size_t m_nBlockSize;
- CFXMEM_Block* m_pNextBlock;
-};
-class CFXMEM_Page
-{
-public:
- size_t m_nAvailSize;
- CFXMEM_Block* m_pLimitPos;
- CFXMEM_Block m_AvailHead;
- void Initialize(size_t size);
- FX_BOOL IsEmpty() const
- {
- return m_AvailHead.m_pNextBlock && m_AvailHead.m_nBlockSize == m_AvailHead.m_pNextBlock->m_nBlockSize;
- }
- FX_LPVOID Alloc(size_t size);
- FX_LPVOID Realloc(FX_LPVOID p, size_t oldSize, size_t newSize);
- void Free(FX_LPVOID p);
-protected:
- FX_LPVOID Alloc(CFXMEM_Block* pPrevBlock, CFXMEM_Block* pNextBlock, size_t size, size_t oldsize);
-};
-class CFXMEM_Pages
-{
-public:
- CFXMEM_Page* m_pStartPage;
- CFXMEM_Page* m_pLimitPos;
- CFXMEM_Page* m_pCurPage;
- size_t m_nPageSize;
- void Initialize(FX_LPBYTE pStart, size_t pageSize, size_t pages);
- FX_BOOL IsEmpty() const;
- FX_LPVOID Alloc(size_t size);
- FX_LPVOID Realloc(FX_LPVOID p, size_t oldSize, size_t newSize);
- void Free(FX_LPVOID p);
-};
-class CFXMEM_Pool
-{
-public:
- CFXMEM_Pool* m_pPrevPool;
- CFXMEM_Pool* m_pNextPool;
- CFXMEM_8BytesPages m_8BytesPages;
- CFXMEM_16BytesPages m_16BytesPages;
- CFXMEM_32BytesPages m_32BytesPages;
- CFXMEM_Pages m_MidPages;
- FX_BOOL m_bAlone;
- FX_DWORD m_dwReserved[3];
- FX_LPVOID m_pLimitPos;
- CFXMEM_Page* m_pLargePage;
- void Initialize(const FX_MEMCONFIG* pMemConfig, size_t size, size_t pageNum8Bytes, size_t pageNum16Bytes, size_t pageNum32Bytes, size_t pageNumMid);
- FX_BOOL IsEmpty() const;
- size_t GetSize(FX_LPVOID p) const;
- FX_LPVOID Realloc(FX_LPVOID p, size_t oldSize, size_t newSize);
- void Free(FX_LPVOID p);
-};
-class CFXMEM_FixedMgr
-{
-public:
- void Initialize(size_t size);
- FX_LPVOID Alloc(size_t size);
- FX_LPVOID Realloc(FX_LPVOID p, size_t newSize);
- void Free(FX_LPVOID p);
- void FreeAll();
- void Purge();
- CFXMEM_Pool* GetFirstPool()
- {
- return &m_FirstPool;
- }
- size_t GetSize(FX_LPVOID p) const;
- FXMEM_SystemMgr m_SystemMgr;
- FXMEM_SystemMgr2* m_pExtender;
- FX_LPVOID m_pReserved;
- FX_MEMCONFIG m_MemConfig;
-protected:
- FX_LPVOID Alloc16(CFXMEM_Pool **pp32Pool = NULL, size_t size = 0);
- FX_LPVOID Alloc32(size_t size);
- FX_LPVOID AllocSmall(size_t size);
- FX_LPVOID AllocMid(size_t size);
- FX_LPVOID AllocLarge(size_t size);
- FX_LPVOID ReallocSmall(CFXMEM_Pool* pPool, FX_LPVOID p, size_t oldSize, size_t newSize);
- void FreePool(CFXMEM_Pool* pPool);
- CFXMEM_Pool m_FirstPool;
-};
-#define FIXEDMEM_PROXYSIZE_0 (1024 * 1024 * 8)
-#define FIXEDMEM_PROXYSIZE_1 (1024 * 1024 * 16)
-#define FIXEDMEM_PROXYSIZE_2 (1024 * 1024 * 32)
-#define FIXEDMEM_PROXYSIZE_3 (1024 * 1024 * 64)
-#define FIXEDMEM_PROXYSIZE_4 (1024 * 1024 * 128)
-#define FIXEDMEM_PROXYSIZE_5 (1024 * 1024 * 256)
-const FX_MEMCONFIG* FixedMgr_GetConfig(size_t nSize);
-class CFixedMgr_Proxy
-{
-public:
- FXMEM_FoxitMgr* Initialize(FX_LPVOID pBuffer, size_t nSize, FX_BOOL bExtensible);
- static FX_BOOL Common_More(FXMEM_SystemMgr2* pMgr, size_t alloc_size, void** new_memory, size_t* new_size);
- static void Common_Free(FXMEM_SystemMgr2* pMgr, void* memory);
- FXMEM_SystemMgr2 m_SystemMgr;
- CFXMEM_Page* m_pFixedPage;
- FX_LPVOID m_pBuffer;
- size_t m_nSize;
- FX_BOOL m_bExtensible;
-};
-#endif
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