1/* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11#ifndef VPX_MEM_MEMORY_MANAGER_INCLUDE_HMM_CNFG_H_ 12#define VPX_MEM_MEMORY_MANAGER_INCLUDE_HMM_CNFG_H_ 13 14/* This code is in the public domain. 15** Version: 1.1 Author: Walt Karas 16*/ 17 18/* Configure Heap Memory Manager for processor architecture, compiler, 19** and desired performance characteristics. This file is included 20** by heapmm.h, so these definitions can be used by code external to 21** HMM. You can change the default configuration, and/or create alternate 22** configuration(s). 23*/ 24 25/* To allow for multiple configurations of HMM to be used in the same 26** compilation unit, undefine all preprocessor symbols that will be 27** defined below. 28*/ 29#undef HMM_ADDR_ALIGN_UNIT 30#undef HMM_BLOCK_ALIGN_UNIT 31#undef HMM_UNIQUE 32#undef HMM_DESC_PARAM 33#undef HMM_SYM_TO_STRING 34#undef HMM_SYM_TO_STRING 35#undef HMM_AUDIT_FAIL 36 37/* Turn X into a string after one macro expansion pass of X. This trick 38** works with both GCC and Visual C++. */ 39#define HMM_SYM_TO_STRING(X) HMM_SYM_TO_STRING(X) 40#define HMM_SYM_TO_STRING(X) #X 41 42#ifndef HMM_CNFG_NUM 43 44/* Default configuration. */ 45 46/* Use hmm_ prefix to avoid identifier conflicts. */ 47#define HMM_UNIQUE(BASE) hmm_ ## BASE 48 49/* Number of bytes in an Address Alignment Unit (AAU). */ 50// fwg 51// #define HMM_ADDR_ALIGN_UNIT sizeof(int) 52#define HMM_ADDR_ALIGN_UNIT 32 53 54/* Number of AAUs in a Block Alignment Unit (BAU). */ 55#define HMM_BLOCK_ALIGN_UNIT 1 56 57/* Type of unsigned integer big enough to hold the size of a Block in AAUs. */ 58typedef unsigned long HMM_UNIQUE(size_aau); 59 60/* Type of unsigned integer big enough to hold the size of a Block/Chunk 61** in BAUs. The high bit will be robbed. */ 62typedef unsigned long HMM_UNIQUE(size_bau); 63 64void hmm_dflt_abort(const char *, const char *); 65 66/* Actions upon a self-audit failure. Must expand to a single complete 67** statement. If you remove the definition of this macro, no self-auditing 68** will be performed. */ 69#define HMM_AUDIT_FAIL \ 70 hmm_dflt_abort(__FILE__, HMM_SYM_TO_STRING(__LINE__)); 71 72#elif HMM_CNFG_NUM == 0 73 74/* Definitions for testing. */ 75 76#define HMM_UNIQUE(BASE) thmm_ ## BASE 77 78#define HMM_ADDR_ALIGN_UNIT sizeof(int) 79 80#define HMM_BLOCK_ALIGN_UNIT 3 81 82typedef unsigned HMM_UNIQUE(size_aau); 83 84typedef unsigned short HMM_UNIQUE(size_bau); 85 86/* Under this test setup, a long jump is done if there is a self-audit 87** failure. 88*/ 89 90extern jmp_buf HMM_UNIQUE(jmp_buf); 91extern const char *HMM_UNIQUE(fail_file); 92extern unsigned HMM_UNIQUE(fail_line); 93 94#define HMM_AUDIT_FAIL \ 95 { HMM_UNIQUE(fail_file) = __FILE__; HMM_UNIQUE(fail_line) = __LINE__; \ 96 longjmp(HMM_UNIQUE(jmp_buf), 1); } 97 98#elif HMM_CNFG_NUM == 1 99 100/* Put configuration 1 definitions here (if there is a configuration 1). */ 101 102#elif HMM_CNFG_NUM == 2 103 104/* Put configuration 2 definitions here. */ 105 106#elif HMM_CNFG_NUM == 3 107 108/* Put configuration 3 definitions here. */ 109 110#elif HMM_CNFG_NUM == 4 111 112/* Put configuration 4 definitions here. */ 113 114#elif HMM_CNFG_NUM == 5 115 116/* Put configuration 5 definitions here. */ 117 118#endif 119 120#endif // VPX_MEM_MEMORY_MANAGER_INCLUDE_HMM_CNFG_H_ 121