1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/*
* Copyright (c) 2014, STMicroelectronics International N.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef MALLOC_H
#define MALLOC_H
#include <stddef.h>
#include <types_ext.h>
extern unsigned int __malloc_spinlock;
void free(void *ptr);
#ifdef ENABLE_MDBG
void *mdbg_malloc(const char *fname, int lineno, size_t size);
void *mdbg_calloc(const char *fname, int lineno, size_t nmemb, size_t size);
void *mdbg_realloc(const char *fname, int lineno, void *ptr, size_t size);
void *mdbg_memalign(const char *fname, int lineno, size_t alignment,
size_t size);
void mdbg_check(int bufdump);
#define malloc(size) mdbg_malloc(__FILE__, __LINE__, (size))
#define calloc(nmemb, size) \
mdbg_calloc(__FILE__, __LINE__, (nmemb), (size))
#define realloc(ptr, size) \
mdbg_realloc(__FILE__, __LINE__, (ptr), (size))
#define memalign(alignment, size) \
mdbg_memalign(__FILE__, __LINE__, (alignment), (size))
#else
void *malloc(size_t size);
void *calloc(size_t nmemb, size_t size);
void *realloc(void *ptr, size_t size);
void *memalign(size_t alignment, size_t size);
#define mdbg_check(x) do { } while (0)
#endif
/*
* Returns true if the supplied memory area is within a buffer
* previously allocated (and not freed yet).
*
* Used internally by TAs
*/
bool malloc_buffer_is_within_alloced(void *buf, size_t len);
/*
* Returns true if the supplied memory area is overlapping the area used
* for heap.
*
* Used internally by TAs
*/
bool malloc_buffer_overlaps_heap(void *buf, size_t len);
/*
* Adds a pool of memory to allocate from.
*/
void malloc_add_pool(void *buf, size_t len);
#ifdef CFG_WITH_STATS
/*
* Get/reset allocation statistics
*/
#define TEE_ALLOCATOR_DESC_LENGTH 32
struct malloc_stats {
char desc[TEE_ALLOCATOR_DESC_LENGTH];
uint32_t allocated; /* Bytes currently allocated */
uint32_t max_allocated; /* Tracks max value of allocated */
uint32_t size; /* Total size for this allocator */
uint32_t num_alloc_fail; /* Number of failed alloc requests */
uint32_t biggest_alloc_fail; /* Size of biggest failed alloc */
uint32_t biggest_alloc_fail_used; /* Alloc bytes when above occurred */
};
void malloc_get_stats(struct malloc_stats *stats);
void malloc_reset_stats(void);
#endif /* CFG_WITH_STATS */
#endif /* MALLOC_H */
|
