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1/* unknown.c -- used when backtrace configury does not know file format.
2 Copyright (C) 2012-2017 Free Software Foundation, Inc.
3 Written by Ian Lance Taylor, Google.
4
5Redistribution and use in source and binary forms, with or without
6modification, are permitted provided that the following conditions are
7met:
8
9 (1) Redistributions of source code must retain the above copyright
10 notice, this list of conditions and the following disclaimer.
11
12 (2) Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in
14 the documentation and/or other materials provided with the
15 distribution.
16
17 (3) The name of the author may not be used to
18 endorse or promote products derived from this software without
19 specific prior written permission.
20
21THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
25INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
29STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
30IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31POSSIBILITY OF SUCH DAMAGE. */
32
33#include "config.h"
34
35#include <sys/types.h>
36
37#include "backtrace.h"
38#include "internal.h"
39
40/* A trivial routine that always fails to find fileline data. */
41
42static int
43unknown_fileline (struct backtrace_state *state ATTRIBUTE_UNUSED,
44 uintptr_t pc, backtrace_full_callback callback,
45 backtrace_error_callback error_callback ATTRIBUTE_UNUSED,
46 void *data)
47
48{
49 return callback (data, pc, NULL, 0, NULL);
50}
51
52/* Initialize the backtrace data when we don't know how to read the
53 debug info. */
54
55int
56backtrace_initialize (struct backtrace_state *state ATTRIBUTE_UNUSED,
57 const char *filename ATTRIBUTE_UNUSED,
58 int descriptor ATTRIBUTE_UNUSED,
59 backtrace_error_callback error_callback ATTRIBUTE_UNUSED,
60 void *data ATTRIBUTE_UNUSED, fileline *fileline_fn)
61{
62 state->fileline_data = NULL;
63 *fileline_fn = unknown_fileline;
64 return 1;
65}
66

Warning: That file was not part of the compilation database. It may have many parsing errors.