| /* ------------------------------------------------------------------ |
| * Copyright (C) 1998-2009 PacketVideo |
| * |
| * 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. |
| * ------------------------------------------------------------------- |
| */ |
| /* -*- c++ -*- */ |
| // = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = |
| |
| // O S C L _ M E M _ A U D I T _ I N T E R N A L S |
| |
| // = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = |
| |
| /*! \addtogroup osclmemory OSCL Memory |
| * |
| * @{ |
| */ |
| |
| |
| /*! \file oscl_mem_audit_internals.h |
| \brief This file contains the internal definitions for the mem audit library |
| */ |
| |
| |
| #ifndef OSCL_MEM_AUDIT_INTERNALS_H |
| #define OSCL_MEM_AUDIT_INTERNALS_H |
| |
| |
| #include "oscl_base.h" |
| #include "oscl_mem_audit.h" |
| #include "oscl_mem_inst.h" |
| |
| #define OSCL_DISABLE_WARNING_TRUNCATE_DEBUG_MESSAGE |
| #include "osclconfig_compiler_warnings.h" |
| |
| #if(PVMEM_INST_LEVEL>0) |
| #define MM_AUDIT_ALLOC_NODE_SUPPORT 1 |
| #define MM_AUDIT_FENCE_SUPPORT 1 |
| #define MM_AUDIT_INCLUDE_ALL_HEAP_VALIDATION 1 |
| #define MM_AUDIT_FILL_SUPPORT 1 |
| #define MM_AUDIT_FAILURE_SIMULATION_SUPPORT 1 |
| #else |
| #define MM_AUDIT_ALLOC_NODE_SUPPORT 1 |
| #define MM_AUDIT_FENCE_SUPPORT 0 |
| #define MM_AUDIT_INCLUDE_ALL_HEAP_VALIDATION 1 |
| #define MM_AUDIT_FILL_SUPPORT 0 |
| #define MM_AUDIT_FAILURE_SIMULATION_SUPPORT 1 |
| #endif |
| |
| #define FENCE_PATTERN 0xAA |
| #define MIN_FENCE_SIZE 4 |
| |
| #ifdef MEM_ALIGN_4 |
| #define MEM_ALIGN_SIZE 4 |
| #else |
| #define MEM_ALIGN_SIZE 8 |
| #endif |
| |
| |
| |
| /* CURRENTLY THIS STRUCTURE IS A MULTIPLE OF 8 BYTES. MAKE SURE IT |
| * MAINTAINS A SIZE THAT IS AN INTEGER MULTIPLE OF THE ALIGNMENT SIZE |
| * FOR THE PLATFORM IN QUESTION. ADD PAD BYTES TO THE STRUCTURE |
| * IF NECESSARY |
| */ |
| struct MM_AllocBlockHdr |
| { |
| void *pNode; //pointer to either a stats node or an alloc node. |
| uint32 size; |
| |
| void *pRootNode; //pointer to root node, to use when de-allocating. |
| uint32 pad;//to maintain 8-byte alignment |
| |
| /* windows compiler assumes the the assignment |
| * is a pure-virtual declaration and does not allow |
| * it to be non-zero. We actually set the value below. |
| */ |
| static const uint32 ALLOC_NODE_FLAG; // = 0x80000000; |
| |
| bool isAllocNodePtr() |
| { |
| return ((size & ALLOC_NODE_FLAG) != 0); |
| }; |
| void setAllocNodeFlag() |
| { |
| size |= ALLOC_NODE_FLAG; |
| }; |
| |
| MM_AllocBlockHdr(): pNode(0), size(0), pRootNode(0) {}; |
| MM_AllocBlockHdr(void* ptr, uint32 inSize): pNode(ptr), size(inSize) {}; |
| }; |
| |
| // actually set the value here. |
| const uint32 MM_AllocBlockHdr::ALLOC_NODE_FLAG = 0x80000000; |
| |
| #define COMPUTE_MEM_ALIGN_SIZE(x,y,z) (y+(((x+y)%z) ? (z - (x+y)%z) : 0)) |
| |
| struct MM_AllocBlockFence |
| { |
| |
| uint8 pad[COMPUTE_MEM_ALIGN_SIZE(sizeof(MM_AllocBlockHdr), MIN_FENCE_SIZE, MEM_ALIGN_SIZE)]; |
| MM_AllocBlockFence() |
| { |
| fill_fence(); |
| }; |
| |
| void fill_fence() |
| { |
| oscl_memset(pad, FENCE_PATTERN, sizeof(pad)); |
| }; |
| |
| bool check_fence() |
| { |
| for (uint ii = 0; ii < sizeof(pad); ++ii) |
| { |
| if (pad[ii] != FENCE_PATTERN) return false; |
| } |
| return true; |
| }; |
| }; |
| |
| |
| |
| |
| #define DEFAULT_PREFILL_PATTERN 0x96 |
| #define DEFAULT_POSTFILL_PATTERN 0x5A |
| |
| |
| |
| |
| |
| #endif |
| |
| /*! @} */ |