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
|
/**
* WinPR: Windows Portable Runtime
* Debugging Utils
*
* Copyright 2014 Armin Novak <armin.novak@thincast.com>
* Copyright 2014 Thincast Technologies GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdlib.h>
#include <fcntl.h>
#include <execinfo.h>
#include "debug.h"
typedef struct
{
void** buffer;
size_t max;
size_t used;
} t_execinfo;
void winpr_execinfo_backtrace_free(void* buffer)
{
t_execinfo* data = (t_execinfo*)buffer;
if (!data)
return;
free(data->buffer);
free(data);
}
void* winpr_execinfo_backtrace(DWORD size)
{
t_execinfo* data = calloc(1, sizeof(t_execinfo));
if (!data)
return NULL;
data->buffer = calloc(size, sizeof(void*));
if (!data->buffer)
{
free(data);
return NULL;
}
const int rc = backtrace(data->buffer, size);
if (rc < 0)
{
free(data);
return NULL;
}
data->max = size;
data->used = (size_t)rc;
return data;
}
char** winpr_execinfo_backtrace_symbols(void* buffer, size_t* used)
{
t_execinfo* data = (t_execinfo*)buffer;
if (used)
*used = 0;
if (!data)
return NULL;
if (used)
*used = data->used;
return backtrace_symbols(data->buffer, data->used);
}
void winpr_execinfo_backtrace_symbols_fd(void* buffer, int fd)
{
t_execinfo* data = (t_execinfo*)buffer;
if (!data)
return;
backtrace_symbols_fd(data->buffer, data->used, fd);
}
|
