alexhudson
157 lines
5.7 KiB
C
157 lines
5.7 KiB
C
/****************************************************************************
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* <Novell-copyright>
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* Copyright (c) 2001, 2006 Novell, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public License
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, contact Novell, Inc.
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*
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* To contact Novell about this file by physical or electronic mail, you
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* may find current contact information at www.novell.com.
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* </Novell-copyright>
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****************************************************************************/
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#ifndef MEMMGR_H
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#define MEMMGR_H
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#include "xpl.h"
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XPL_BEGIN_C_LINKAGE
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/* Alignment macros */
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#if defined(TARGET_CPU_68K) || defined(__CFM68K__) || defined(m68k) || defined(_M_M68K)
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#define ALIGNMENT 2
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#elif defined(__ppc__) || defined(__POWERPC__) || defined(_POWER)
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#define ALIGNMENT 2
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#elif defined(__amd64__)
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#define ALIGNMENT 4
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#elif defined(i386) || defined(__i386__)
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#define ALIGNMENT 4
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#elif defined(__alpha) || defined(__alpha__)
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#define ALIGNMENT 8
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#elif defined(__hppa__)
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#define ALIGNMENT 4
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#elif defined(sparc) || defined(__sparc)
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#define ALIGNMENT 4
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#elif defined(__s390__)
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#define ALIGNMENT 4
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#elif defined(__mips)
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#ifdef __sgi
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#include <sgidefs.h>
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#endif
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#ifdef _MIPS_SZPTR
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#define ALIGNMENT (_MIPS_SZPTR/8)
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#else
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#define ALIGNMENT 4
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#endif
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#else
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/* default */
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#define ALIGNMENT 4
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#endif
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#define ALIGN_SIZE(s, a) (((s) + a - 1) & ~(a - 1))
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EXPORT BOOL MemoryManagerOpen(const unsigned char *AgentName);
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EXPORT BOOL MemoryManagerClose(const unsigned char *AgentName);
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/* Memory Allocation API's */
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EXPORT void *MemMallocDirect(size_t Size, const char *SourceFile, unsigned long SourceLine);
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EXPORT void *MemMalloc0Direct(size_t size, const char *sourceFile, unsigned long sourceLine);
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EXPORT void *MemReallocDirect(void *Source, size_t Size, const char *SourceFile, unsigned long SourceLine);
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// deprecate Calloc()
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#define MemCalloc(n, s) MemMallocDirect((n)*(s), __FILE__, __LINE__)
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#define MemMalloc(s) MemMallocDirect((s), __FILE__, __LINE__)
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#define MemMalloc0(s) MemMalloc0Direct((s), __FILE__, __LINE__)
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#define MemRealloc(m, s) MemReallocDirect((m), (s), __FILE__, __LINE__)
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/* Helpers */
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#define MemNew0(type, num) ((type*)MemMalloc0(sizeof(type) * (num)))
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#define MemNew(type, num) ((type*)MemMalloc(sizeof(type) * (num)))
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EXPORT void * MemClear(void *Source, size_t Size);
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/* Memory De-Allocation API's */
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EXPORT void MemFreeDirect(void *Source, const char *SourceFile, unsigned long SourceLine);
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EXPORT void MemFreeDirectCallback(void *Source);
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#define MemFree(m) MemFreeDirect((m), __FILE__, __LINE__)
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/* String Allocation API's */
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EXPORT char *MemStrdupDirect(const char *StrSource, const char *SourceFile, unsigned long SourceLine);
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EXPORT char *MemStrndupDirect(const char *StrSource, int n, const char *SourceFile, unsigned long SourceLine);
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#define MemStrdup(s) MemStrdupDirect((s), __FILE__, __LINE__)
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#define MemStrndup(s, n) MemStrndupDirect((s), (n), __FILE__, __LINE__)
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/* Private Pool API's */
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typedef BOOL (*PoolEntryCB)(void *Buffer, void *ClientData);
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EXPORT void *MemPrivatePoolAlloc(unsigned char *Ident, size_t AllocationSize, unsigned int MinAllocCount, unsigned int MaxAllocCount, BOOL Dynamic, BOOL Temporary, PoolEntryCB AllocCB, PoolEntryCB FreeCB, void *ClientData);
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EXPORT void MemPrivatePoolFree(void *PoolHandle);
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EXPORT void *MemPrivatePoolGetEntryDirect(void *PoolHandle, const char *SourceFile, unsigned long SourceLine);
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EXPORT void MemPrivatePoolReturnEntryDirect(void *PoolHandle, void *PoolEntry, const char *SourceFile, unsigned long SourceLine);
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#define MemPrivatePoolGetEntry(p) MemPrivatePoolGetEntryDirect((p), __FILE__, __LINE__)
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#define MemPrivatePoolReturnEntry(p, e) MemPrivatePoolReturnEntryDirect((p), (e), __FILE__, __LINE__);
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EXPORT BOOL MemPrivatePoolZeroCallback(void *buffer, void *clientData);
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/** memstack.c **/
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typedef struct _BongoMemChunk BongoMemChunk;
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struct _BongoMemChunk {
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// TODO: review pointers below; not sure the types make sense.
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uint8_t *curptr;
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uint8_t *endptr;
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BongoMemChunk *next;
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uint32_t data[1];
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};
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typedef struct _BongoMemStack {
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BongoMemChunk *chunk;
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} BongoMemStack;
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int BongoMemStackInit(BongoMemStack *stack, size_t size);
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void BongoMemStackDestroy(BongoMemStack *stack);
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BongoMemStack *BongoMemStackNew(size_t size);
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void BongoMemStackDelete(BongoMemStack *stack);
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void *BongoMemStackAlloc(BongoMemStack *stack, size_t size); /* but use the macro... */
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void *BongoMemStackPush(BongoMemStack *stack, void *obj, size_t size);
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char *BongoMemStackPushStr(BongoMemStack *stack, const char *str);
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void BongoMemStackPop(BongoMemStack *stack, void *obj);
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#define BongoMemStackPeek(stack) ((stack)->chunk->curptr)
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void BongoMemStackReset(BongoMemStack *stack);
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#define BONGO_MEMSTACK_ALLOC(stack, size) \
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BONGO_MEMSTACK_ALLOC_ALIGNED(stack, ALIGN_SIZE(size, ALIGNMENT))
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#define BONGO_MEMSTACK_ALLOC_ALIGNED(stack, size) \
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( \
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(stack)->chunk->curptr + size > (stack)->chunk->endptr \
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? BongoMemStackAlloc((stack), size) \
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: ((stack)->chunk->curptr += size, (stack)->chunk->curptr - size) \
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)
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/** end memstack.c **/
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XPL_END_C_LINKAGE
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#endif /* MEMMGR_H */
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