117 строки
3.2 KiB
C
117 строки
3.2 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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/* This code is in the public domain.
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** Version: 1.1 Author: Walt Karas
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*/
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/* Configure Heap Memory Manager for processor architecture, compiler,
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** and desired performance characteristics. This file is included
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** by heapmm.h, so these definitions can be used by code external to
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** HMM. You can change the default configuration, and/or create alternate
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** configuration(s).
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*/
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/* To allow for multiple configurations of HMM to be used in the same
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** compilation unit, undefine all preprocessor symbols that will be
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** defined below.
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*/
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#undef HMM_ADDR_ALIGN_UNIT
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#undef HMM_BLOCK_ALIGN_UNIT
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#undef HMM_UNIQUE
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#undef HMM_DESC_PARAM
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#undef HMM_SYM_TO_STRING
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#undef HMM_SYM_TO_STRING
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#undef HMM_AUDIT_FAIL
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/* Turn X into a string after one macro expansion pass of X. This trick
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** works with both GCC and Visual C++. */
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#define HMM_SYM_TO_STRING(X) HMM_SYM_TO_STRING(X)
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#define HMM_SYM_TO_STRING(X) #X
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#ifndef HMM_CNFG_NUM
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/* Default configuration. */
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/* Use hmm_ prefix to avoid identifier conflicts. */
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#define HMM_UNIQUE(BASE) hmm_ ## BASE
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/* Number of bytes in an Address Alignment Unit (AAU). */
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// fwg
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// #define HMM_ADDR_ALIGN_UNIT sizeof(int)
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#define HMM_ADDR_ALIGN_UNIT 32
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/* Number of AAUs in a Block Alignment Unit (BAU). */
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#define HMM_BLOCK_ALIGN_UNIT 1
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/* Type of unsigned integer big enough to hold the size of a Block in AAUs. */
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typedef unsigned long HMM_UNIQUE(size_aau);
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/* Type of unsigned integer big enough to hold the size of a Block/Chunk
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** in BAUs. The high bit will be robbed. */
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typedef unsigned long HMM_UNIQUE(size_bau);
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void hmm_dflt_abort(const char *, const char *);
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/* Actions upon a self-audit failure. Must expand to a single complete
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** statement. If you remove the definition of this macro, no self-auditing
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** will be performed. */
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#define HMM_AUDIT_FAIL \
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hmm_dflt_abort(__FILE__, HMM_SYM_TO_STRING(__LINE__));
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#elif HMM_CNFG_NUM == 0
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/* Definitions for testing. */
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#define HMM_UNIQUE(BASE) thmm_ ## BASE
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#define HMM_ADDR_ALIGN_UNIT sizeof(int)
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#define HMM_BLOCK_ALIGN_UNIT 3
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typedef unsigned HMM_UNIQUE(size_aau);
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typedef unsigned short HMM_UNIQUE(size_bau);
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/* Under this test setup, a long jump is done if there is a self-audit
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** failure.
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*/
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extern jmp_buf HMM_UNIQUE(jmp_buf);
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extern const char *HMM_UNIQUE(fail_file);
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extern unsigned HMM_UNIQUE(fail_line);
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#define HMM_AUDIT_FAIL \
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{ HMM_UNIQUE(fail_file) = __FILE__; HMM_UNIQUE(fail_line) = __LINE__; \
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longjmp(HMM_UNIQUE(jmp_buf), 1); }
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#elif HMM_CNFG_NUM == 1
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/* Put configuration 1 definitions here (if there is a configuration 1). */
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#elif HMM_CNFG_NUM == 2
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/* Put configuration 2 definitions here. */
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#elif HMM_CNFG_NUM == 3
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/* Put configuration 3 definitions here. */
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#elif HMM_CNFG_NUM == 4
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/* Put configuration 4 definitions here. */
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#elif HMM_CNFG_NUM == 5
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/* Put configuration 5 definitions here. */
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#endif
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