ref: 94bba48525d6a1ff333c2336896b9482247f7c83
dir: /vpx_mem/memory_manager/include/hmm_cnfg.h/
/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VPX_MEM_MEMORY_MANAGER_INCLUDE_HMM_CNFG_H_
#define VPX_MEM_MEMORY_MANAGER_INCLUDE_HMM_CNFG_H_
/* This code is in the public domain.
** Version: 1.1 Author: Walt Karas
*/
/* Configure Heap Memory Manager for processor architecture, compiler,
** and desired performance characteristics. This file is included
** by heapmm.h, so these definitions can be used by code external to
** HMM. You can change the default configuration, and/or create alternate
** configuration(s).
*/
/* To allow for multiple configurations of HMM to be used in the same
** compilation unit, undefine all preprocessor symbols that will be
** defined below.
*/
#undef HMM_ADDR_ALIGN_UNIT
#undef HMM_BLOCK_ALIGN_UNIT
#undef HMM_UNIQUE
#undef HMM_DESC_PARAM
#undef HMM_SYM_TO_STRING
#undef HMM_SYM_TO_STRING
#undef HMM_AUDIT_FAIL
/* Turn X into a string after one macro expansion pass of X. This trick
** works with both GCC and Visual C++. */
#define HMM_SYM_TO_STRING(X) HMM_SYM_TO_STRING(X)
#define HMM_SYM_TO_STRING(X) #X
#ifndef HMM_CNFG_NUM
/* Default configuration. */
/* Use hmm_ prefix to avoid identifier conflicts. */
#define HMM_UNIQUE(BASE) hmm_ ## BASE
/* Number of bytes in an Address Alignment Unit (AAU). */
// fwg
// #define HMM_ADDR_ALIGN_UNIT sizeof(int)
#define HMM_ADDR_ALIGN_UNIT 32
/* Number of AAUs in a Block Alignment Unit (BAU). */
#define HMM_BLOCK_ALIGN_UNIT 1
/* Type of unsigned integer big enough to hold the size of a Block in AAUs. */
typedef unsigned long HMM_UNIQUE(size_aau);
/* Type of unsigned integer big enough to hold the size of a Block/Chunk
** in BAUs. The high bit will be robbed. */
typedef unsigned long HMM_UNIQUE(size_bau);
void hmm_dflt_abort(const char *, const char *);
/* Actions upon a self-audit failure. Must expand to a single complete
** statement. If you remove the definition of this macro, no self-auditing
** will be performed. */
#define HMM_AUDIT_FAIL \
hmm_dflt_abort(__FILE__, HMM_SYM_TO_STRING(__LINE__));
#elif HMM_CNFG_NUM == 0
/* Definitions for testing. */
#define HMM_UNIQUE(BASE) thmm_ ## BASE
#define HMM_ADDR_ALIGN_UNIT sizeof(int)
#define HMM_BLOCK_ALIGN_UNIT 3
typedef unsigned HMM_UNIQUE(size_aau);
typedef unsigned short HMM_UNIQUE(size_bau);
/* Under this test setup, a long jump is done if there is a self-audit
** failure.
*/
extern jmp_buf HMM_UNIQUE(jmp_buf);
extern const char *HMM_UNIQUE(fail_file);
extern unsigned HMM_UNIQUE(fail_line);
#define HMM_AUDIT_FAIL \
{ HMM_UNIQUE(fail_file) = __FILE__; HMM_UNIQUE(fail_line) = __LINE__; \
longjmp(HMM_UNIQUE(jmp_buf), 1); }
#elif HMM_CNFG_NUM == 1
/* Put configuration 1 definitions here (if there is a configuration 1). */
#elif HMM_CNFG_NUM == 2
/* Put configuration 2 definitions here. */
#elif HMM_CNFG_NUM == 3
/* Put configuration 3 definitions here. */
#elif HMM_CNFG_NUM == 4
/* Put configuration 4 definitions here. */
#elif HMM_CNFG_NUM == 5
/* Put configuration 5 definitions here. */
#endif
#endif // VPX_MEM_MEMORY_MANAGER_INCLUDE_HMM_CNFG_H_