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1 /* backtrace-supported.h.in -- Whether stack backtrace is supported.
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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 /* The file backtrace-supported.h.in is used by configure to generate
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34 the file backtrace-supported.h. The file backtrace-supported.h may
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35 be #include'd to see whether the backtrace library will be able to
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36 get a backtrace and produce symbolic information. */
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37
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38
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39 /* BACKTRACE_SUPPORTED will be #define'd as 1 if the backtrace library
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40 should work, 0 if it will not. Libraries may #include this to make
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41 other arrangements. */
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42
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43 #define BACKTRACE_SUPPORTED @BACKTRACE_SUPPORTED@
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44
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45 /* BACKTRACE_USES_MALLOC will be #define'd as 1 if the backtrace
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46 library will call malloc as it works, 0 if it will call mmap
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47 instead. This may be used to determine whether it is safe to call
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48 the backtrace functions from a signal handler. In general this
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49 only applies to calls like backtrace and backtrace_pcinfo. It does
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50 not apply to backtrace_simple, which never calls malloc. It does
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51 not apply to backtrace_print, which always calls fprintf and
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52 therefore malloc. */
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53
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54 #define BACKTRACE_USES_MALLOC @BACKTRACE_USES_MALLOC@
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55
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56 /* BACKTRACE_SUPPORTS_THREADS will be #define'd as 1 if the backtrace
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57 library is configured with threading support, 0 if not. If this is
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58 0, the threaded parameter to backtrace_create_state must be passed
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59 as 0. */
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60
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61 #define BACKTRACE_SUPPORTS_THREADS @BACKTRACE_SUPPORTS_THREADS@
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62
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63 /* BACKTRACE_SUPPORTS_DATA will be #defined'd as 1 if the backtrace_syminfo
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64 will work for variables. It will always work for functions. */
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65
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66 #define BACKTRACE_SUPPORTS_DATA @BACKTRACE_SUPPORTS_DATA@
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