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