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1 /* backtrace.c -- Entry point for stack backtrace library.
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2 Copyright (C) 2012-2020 Free Software Foundation, Inc.
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3 Written by Ian Lance Taylor, Google.
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4
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5 Redistribution and use in source and binary forms, with or without
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6 modification, are permitted provided that the following conditions are
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7 met:
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8
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9 (1) Redistributions of source code must retain the above copyright
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10 notice, this list of conditions and the following disclaimer.
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11
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12 (2) Redistributions in binary form must reproduce the above copyright
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13 notice, this list of conditions and the following disclaimer in
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14 the documentation and/or other materials provided with the
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15 distribution.
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16
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17 (3) The name of the author may not be used to
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18 endorse or promote products derived from this software without
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19 specific prior written permission.
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20
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21 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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22 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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23 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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24 DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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25 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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26 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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27 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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28 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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29 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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30 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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31 POSSIBILITY OF SUCH DAMAGE. */
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32
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33 #include "config.h"
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34
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35 #include <sys/types.h>
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36
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37 #include "backtrace.h"
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38
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39 #include "internal.h"
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40
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41 /* This source file is compiled if the unwind library is not
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42 available. */
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43
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44 int
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45 backtrace_full (struct backtrace_state *state ATTRIBUTE_UNUSED,
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46 int skip ATTRIBUTE_UNUSED,
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47 backtrace_full_callback callback ATTRIBUTE_UNUSED,
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48 backtrace_error_callback error_callback, void *data)
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49 {
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50 error_callback (data,
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51 "no stack trace because unwind library not available",
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52 0);
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53 return 0;
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54 }
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55
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56 int
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57 backtrace_simple (struct backtrace_state *state ATTRIBUTE_UNUSED,
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58 int skip ATTRIBUTE_UNUSED,
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59 backtrace_simple_callback callback ATTRIBUTE_UNUSED,
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60 backtrace_error_callback error_callback, void *data)
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61 {
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62 error_callback (data,
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63 "no stack trace because unwind library not available",
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64 0);
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65 return 0;
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66 }
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