|
111
|
1 /* unknown.c -- used when backtrace configury does not know file format.
|
|
145
|
2 Copyright (C) 2012-2020 Free Software Foundation, Inc.
|
|
111
|
3 Written by Ian Lance Taylor, Google.
|
|
|
4
|
|
|
5 Redistribution and use in source and binary forms, with or without
|
|
|
6 modification, are permitted provided that the following conditions are
|
|
|
7 met:
|
|
|
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
|
|
|
21 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
|
22 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
|
23 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
|
24 DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
|
|
|
25 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
|
26 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
|
27 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
28 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
|
29 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
|
|
30 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
|
31 POSSIBILITY 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
|
|
|
42 static int
|
|
|
43 unknown_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
|
|
|
55 int
|
|
|
56 backtrace_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 }
|
