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