diff options
Diffstat (limited to 'win32/include/malloc.h')
| -rw-r--r-- | win32/include/malloc.h | 222 |
1 files changed, 156 insertions, 66 deletions
diff --git a/win32/include/malloc.h b/win32/include/malloc.h index ca42596..9c4bf2f 100644 --- a/win32/include/malloc.h +++ b/win32/include/malloc.h @@ -1,87 +1,177 @@ -/* - * malloc.h - * - * Support for programs which want to use malloc.h to get memory management - * functions. Unless you absolutely need some of these functions and they are - * not in the ANSI headers you should use the ANSI standard header files - * instead. - * - * This file is part of the Mingw32 package. - * - * Contributors: - * Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp> - * - * THIS SOFTWARE IS NOT COPYRIGHTED - * - * This source code is offered for use in the public domain. You may - * use, modify or distribute it freely. - * - * This code is distributed in the hope that it will be useful but - * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY - * DISCLAIMED. This includes but is not limited to warranties of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * $Revision: 1.2 $ - * $Author: bellard $ - * $Date: 2005/04/17 13:14:29 $ - * +/** + * This file has no copyright assigned and is placed in the Public Domain. + * This file is part of the w64 mingw-runtime package. + * No warranty is given; refer to the file DISCLAIMER within this package. */ - -#ifndef __STRICT_ANSI__ - #ifndef _MALLOC_H_ #define _MALLOC_H_ -/* All the headers include this file. */ #include <_mingw.h> -#include <stdlib.h> +#pragma pack(push,_CRT_PACKING) -#ifndef RC_INVOKED +#ifndef _MM_MALLOC_H_INCLUDED +#define _MM_MALLOC_H_INCLUDED +#endif -/* - * The structure used to walk through the heap with _heapwalk. - */ -typedef struct _heapinfo -{ - int* _pentry; - size_t _size; - int _useflag; -} _HEAPINFO; +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef _WIN64 +#define _HEAP_MAXREQ 0xFFFFFFFFFFFFFFE0 +#else +#define _HEAP_MAXREQ 0xFFFFFFE0 +#endif + +#ifndef _STATIC_ASSERT +#define _STATIC_ASSERT(expr) typedef char __static_assert_t[(expr)] +#endif + +/* Return codes for _heapwalk() */ +#define _HEAPEMPTY (-1) +#define _HEAPOK (-2) +#define _HEAPBADBEGIN (-3) +#define _HEAPBADNODE (-4) +#define _HEAPEND (-5) +#define _HEAPBADPTR (-6) /* Values for _heapinfo.useflag */ -#define _USEDENTRY 0 -#define _FREEENTRY 1 +#define _FREEENTRY 0 +#define _USEDENTRY 1 -#ifdef __cplusplus -extern "C" { +#ifndef _HEAPINFO_DEFINED +#define _HEAPINFO_DEFINED + /* The structure used to walk through the heap with _heapwalk. */ + typedef struct _heapinfo { + int *_pentry; + size_t _size; + int _useflag; + } _HEAPINFO; #endif -/* - The _heap* memory allocation functions are supported on NT - but not W9x. On latter, they always set errno to ENOSYS. -*/ -int _heapwalk (_HEAPINFO*); -#ifndef _NO_OLDNAMES -int heapwalk (_HEAPINFO*); -#endif /* Not _NO_OLDNAMES */ + extern unsigned int _amblksiz; -int _heapchk (void); /* Verify heap integrety. */ -int _heapmin (void); /* Return unused heap to the OS. */ -int _heapset (unsigned int); +#define _mm_free(a) _aligned_free(a) +#define _mm_malloc(a,b) _aligned_malloc(a,b) -size_t _msize (void*); -size_t _get_sbh_threshold (void); -int _set_sbh_threshold (size_t); -void * _expand (void*, size_t); +#ifndef _CRT_ALLOCATION_DEFINED +#define _CRT_ALLOCATION_DEFINED + void *__cdecl calloc(size_t _NumOfElements,size_t _SizeOfElements); + void __cdecl free(void *_Memory); + void *__cdecl malloc(size_t _Size); + void *__cdecl realloc(void *_Memory,size_t _NewSize); + _CRTIMP void *__cdecl _recalloc(void *_Memory,size_t _Count,size_t _Size); + /* _CRTIMP void __cdecl _aligned_free(void *_Memory); + _CRTIMP void *__cdecl _aligned_malloc(size_t _Size,size_t _Alignment); */ + _CRTIMP void *__cdecl _aligned_offset_malloc(size_t _Size,size_t _Alignment,size_t _Offset); + _CRTIMP void *__cdecl _aligned_realloc(void *_Memory,size_t _Size,size_t _Alignment); + _CRTIMP void *__cdecl _aligned_recalloc(void *_Memory,size_t _Count,size_t _Size,size_t _Alignment); + _CRTIMP void *__cdecl _aligned_offset_realloc(void *_Memory,size_t _Size,size_t _Alignment,size_t _Offset); + _CRTIMP void *__cdecl _aligned_offset_recalloc(void *_Memory,size_t _Count,size_t _Size,size_t _Alignment,size_t _Offset); +#endif -#ifdef __cplusplus -} +#define _MAX_WAIT_MALLOC_CRT 60000 + + _CRTIMP int __cdecl _resetstkoflw (void); + _CRTIMP unsigned long __cdecl _set_malloc_crt_max_wait(unsigned long _NewValue); + + _CRTIMP void *__cdecl _expand(void *_Memory,size_t _NewSize); + _CRTIMP size_t __cdecl _msize(void *_Memory); +#ifdef __GNUC__ +#undef _alloca +#define _alloca(x) __builtin_alloca((x)) +#else + void *__cdecl _alloca(size_t _Size); #endif + _CRTIMP size_t __cdecl _get_sbh_threshold(void); + _CRTIMP int __cdecl _set_sbh_threshold(size_t _NewValue); + _CRTIMP errno_t __cdecl _set_amblksiz(size_t _Value); + _CRTIMP errno_t __cdecl _get_amblksiz(size_t *_Value); + _CRTIMP int __cdecl _heapadd(void *_Memory,size_t _Size); + _CRTIMP int __cdecl _heapchk(void); + _CRTIMP int __cdecl _heapmin(void); + _CRTIMP int __cdecl _heapset(unsigned int _Fill); + _CRTIMP int __cdecl _heapwalk(_HEAPINFO *_EntryInfo); + _CRTIMP size_t __cdecl _heapused(size_t *_Used,size_t *_Commit); + _CRTIMP intptr_t __cdecl _get_heap_handle(void); -#endif /* RC_INVOKED */ +#define _ALLOCA_S_THRESHOLD 1024 +#define _ALLOCA_S_STACK_MARKER 0xCCCC +#define _ALLOCA_S_HEAP_MARKER 0xDDDD -#endif /* Not _MALLOC_H_ */ +#if(defined(_X86_) && !defined(__x86_64)) +#define _ALLOCA_S_MARKER_SIZE 8 +#elif defined(__ia64__) || defined(__x86_64) +#define _ALLOCA_S_MARKER_SIZE 16 +#endif + +#if !defined(RC_INVOKED) + static __inline void *_MarkAllocaS(void *_Ptr,unsigned int _Marker) { + if(_Ptr) { + *((unsigned int*)_Ptr) = _Marker; + _Ptr = (char*)_Ptr + _ALLOCA_S_MARKER_SIZE; + } + return _Ptr; + } +#endif + +#undef _malloca +#define _malloca(size) \ + ((((size) + _ALLOCA_S_MARKER_SIZE) <= _ALLOCA_S_THRESHOLD) ? \ + _MarkAllocaS(_alloca((size) + _ALLOCA_S_MARKER_SIZE),_ALLOCA_S_STACK_MARKER) : \ + _MarkAllocaS(malloc((size) + _ALLOCA_S_MARKER_SIZE),_ALLOCA_S_HEAP_MARKER)) +#undef _FREEA_INLINE +#define _FREEA_INLINE + +#ifndef RC_INVOKED +#undef _freea + static __inline void __cdecl _freea(void *_Memory) { + unsigned int _Marker; + if(_Memory) { + _Memory = (char*)_Memory - _ALLOCA_S_MARKER_SIZE; + _Marker = *(unsigned int *)_Memory; + if(_Marker==_ALLOCA_S_HEAP_MARKER) { + free(_Memory); + } +#ifdef _ASSERTE + else if(_Marker!=_ALLOCA_S_STACK_MARKER) { + _ASSERTE(("Corrupted pointer passed to _freea",0)); + } +#endif + } + } +#endif /* RC_INVOKED */ + +#ifndef NO_OLDNAMES +#undef alloca +#ifdef __GNUC__ +#define alloca(x) __builtin_alloca((x)) +#else +#define alloca _alloca +#endif +#endif + +#ifdef HEAPHOOK +#ifndef _HEAPHOOK_DEFINED +#define _HEAPHOOK_DEFINED + typedef int (__cdecl *_HEAPHOOK)(int,size_t,void *,void **); +#endif + + _CRTIMP _HEAPHOOK __cdecl _setheaphook(_HEAPHOOK _NewHook); + +#define _HEAP_MALLOC 1 +#define _HEAP_CALLOC 2 +#define _HEAP_FREE 3 +#define _HEAP_REALLOC 4 +#define _HEAP_MSIZE 5 +#define _HEAP_EXPAND 6 +#endif + +#ifdef __cplusplus +} +#endif -#endif /* Not __STRICT_ANSI__ */ +#pragma pack(pop) +#endif /* _MALLOC_H_ */ |