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[tinycc.git] / win32 / include / malloc.h
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1 /**
2 * This file has no copyright assigned and is placed in the Public Domain.
3 * This file is part of the w64 mingw-runtime package.
4 * No warranty is given; refer to the file DISCLAIMER within this package.
5 */
6 #ifndef _MALLOC_H_
7 #define _MALLOC_H_
9 #include <_mingw.h>
11 #pragma pack(push,_CRT_PACKING)
13 #ifndef _MM_MALLOC_H_INCLUDED
14 #define _MM_MALLOC_H_INCLUDED
15 #endif
17 #ifdef __cplusplus
18 extern "C" {
19 #endif
21 #ifdef _WIN64
22 #define _HEAP_MAXREQ 0xFFFFFFFFFFFFFFE0
23 #else
24 #define _HEAP_MAXREQ 0xFFFFFFE0
25 #endif
27 #ifndef _STATIC_ASSERT
28 #define _STATIC_ASSERT(expr) extern void __static_assert_t(int [(expr)?1:-1])
29 #endif
31 /* Return codes for _heapwalk() */
32 #define _HEAPEMPTY (-1)
33 #define _HEAPOK (-2)
34 #define _HEAPBADBEGIN (-3)
35 #define _HEAPBADNODE (-4)
36 #define _HEAPEND (-5)
37 #define _HEAPBADPTR (-6)
39 /* Values for _heapinfo.useflag */
40 #define _FREEENTRY 0
41 #define _USEDENTRY 1
43 #ifndef _HEAPINFO_DEFINED
44 #define _HEAPINFO_DEFINED
45 /* The structure used to walk through the heap with _heapwalk. */
46 typedef struct _heapinfo {
47 int *_pentry;
48 size_t _size;
49 int _useflag;
50 } _HEAPINFO;
51 #endif
53 extern unsigned int _amblksiz;
55 #define _mm_free(a) _aligned_free(a)
56 #define _mm_malloc(a,b) _aligned_malloc(a,b)
58 #ifndef _CRT_ALLOCATION_DEFINED
59 #define _CRT_ALLOCATION_DEFINED
60 void *__cdecl calloc(size_t _NumOfElements,size_t _SizeOfElements);
61 void __cdecl free(void *_Memory);
62 void *__cdecl malloc(size_t _Size);
63 void *__cdecl realloc(void *_Memory,size_t _NewSize);
64 _CRTIMP void *__cdecl _recalloc(void *_Memory,size_t _Count,size_t _Size);
65 /* _CRTIMP void __cdecl _aligned_free(void *_Memory);
66 _CRTIMP void *__cdecl _aligned_malloc(size_t _Size,size_t _Alignment); */
67 _CRTIMP void *__cdecl _aligned_offset_malloc(size_t _Size,size_t _Alignment,size_t _Offset);
68 _CRTIMP void *__cdecl _aligned_realloc(void *_Memory,size_t _Size,size_t _Alignment);
69 _CRTIMP void *__cdecl _aligned_recalloc(void *_Memory,size_t _Count,size_t _Size,size_t _Alignment);
70 _CRTIMP void *__cdecl _aligned_offset_realloc(void *_Memory,size_t _Size,size_t _Alignment,size_t _Offset);
71 _CRTIMP void *__cdecl _aligned_offset_recalloc(void *_Memory,size_t _Count,size_t _Size,size_t _Alignment,size_t _Offset);
72 #endif
74 #define _MAX_WAIT_MALLOC_CRT 60000
76 _CRTIMP int __cdecl _resetstkoflw (void);
77 _CRTIMP unsigned long __cdecl _set_malloc_crt_max_wait(unsigned long _NewValue);
79 _CRTIMP void *__cdecl _expand(void *_Memory,size_t _NewSize);
80 _CRTIMP size_t __cdecl _msize(void *_Memory);
81 #ifdef __GNUC__
82 #undef _alloca
83 #define _alloca(x) __builtin_alloca((x))
84 #else
85 void *__cdecl _alloca(size_t _Size);
86 #endif
87 _CRTIMP size_t __cdecl _get_sbh_threshold(void);
88 _CRTIMP int __cdecl _set_sbh_threshold(size_t _NewValue);
89 _CRTIMP errno_t __cdecl _set_amblksiz(size_t _Value);
90 _CRTIMP errno_t __cdecl _get_amblksiz(size_t *_Value);
91 _CRTIMP int __cdecl _heapadd(void *_Memory,size_t _Size);
92 _CRTIMP int __cdecl _heapchk(void);
93 _CRTIMP int __cdecl _heapmin(void);
94 _CRTIMP int __cdecl _heapset(unsigned int _Fill);
95 _CRTIMP int __cdecl _heapwalk(_HEAPINFO *_EntryInfo);
96 _CRTIMP size_t __cdecl _heapused(size_t *_Used,size_t *_Commit);
97 _CRTIMP intptr_t __cdecl _get_heap_handle(void);
99 #define _ALLOCA_S_THRESHOLD 1024
100 #define _ALLOCA_S_STACK_MARKER 0xCCCC
101 #define _ALLOCA_S_HEAP_MARKER 0xDDDD
103 #if(defined(_X86_) && !defined(__x86_64))
104 #define _ALLOCA_S_MARKER_SIZE 8
105 #elif defined(__ia64__) || defined(__x86_64)
106 #define _ALLOCA_S_MARKER_SIZE 16
107 #endif
109 #if !defined(RC_INVOKED)
110 static __inline void *_MarkAllocaS(void *_Ptr,unsigned int _Marker) {
111 if(_Ptr) {
112 *((unsigned int*)_Ptr) = _Marker;
113 _Ptr = (char*)_Ptr + _ALLOCA_S_MARKER_SIZE;
115 return _Ptr;
117 #endif
119 #undef _malloca
120 #define _malloca(size) \
121 ((((size) + _ALLOCA_S_MARKER_SIZE) <= _ALLOCA_S_THRESHOLD) ? \
122 _MarkAllocaS(_alloca((size) + _ALLOCA_S_MARKER_SIZE),_ALLOCA_S_STACK_MARKER) : \
123 _MarkAllocaS(malloc((size) + _ALLOCA_S_MARKER_SIZE),_ALLOCA_S_HEAP_MARKER))
124 #undef _FREEA_INLINE
125 #define _FREEA_INLINE
127 #ifndef RC_INVOKED
128 #undef _freea
129 static __inline void __cdecl _freea(void *_Memory) {
130 unsigned int _Marker;
131 if(_Memory) {
132 _Memory = (char*)_Memory - _ALLOCA_S_MARKER_SIZE;
133 _Marker = *(unsigned int *)_Memory;
134 if(_Marker==_ALLOCA_S_HEAP_MARKER) {
135 free(_Memory);
137 #ifdef _ASSERTE
138 else if(_Marker!=_ALLOCA_S_STACK_MARKER) {
139 _ASSERTE(("Corrupted pointer passed to _freea",0));
141 #endif
144 #endif /* RC_INVOKED */
146 #ifndef NO_OLDNAMES
147 #ifdef __GNUC__
148 #undef alloca
149 #define alloca(x) __builtin_alloca((x))
150 #endif
151 #endif
153 #ifdef HEAPHOOK
154 #ifndef _HEAPHOOK_DEFINED
155 #define _HEAPHOOK_DEFINED
156 typedef int (__cdecl *_HEAPHOOK)(int,size_t,void *,void **);
157 #endif
159 _CRTIMP _HEAPHOOK __cdecl _setheaphook(_HEAPHOOK _NewHook);
161 #define _HEAP_MALLOC 1
162 #define _HEAP_CALLOC 2
163 #define _HEAP_FREE 3
164 #define _HEAP_REALLOC 4
165 #define _HEAP_MSIZE 5
166 #define _HEAP_EXPAND 6
167 #endif
169 #ifdef __cplusplus
171 #endif
173 #pragma pack(pop)
175 #endif /* _MALLOC_H_ */