src/simh/backtrace

/* */
   1 /*
   2  * vim: filetype=c:tabstop=4:ai:expandtab
   3  * SPDX-License-Identifier: BSD-2-Clause
   4  * scspell-id: 14a58b2b-3c43-11ed-a845-80ee73e9b8e7
   5  *
   6  * -------------------------------------------------------------------------
   7  *
   8  * backtrace_main.c
   9  *
  10  * libbacktrace (https://github.com/ianlancetaylor/libbacktrace) start-up.
  11  *
  12  * -------------------------------------------------------------------------
  13  *
  14  * Copyright (c) 2021-2023 Jeffrey H. Johnson <trnsz@pobox.com>
  15  * Copyright (c) 2022-2023 The DPS8M Development Team
  16  *
  17  * All rights reserved.
  18  *
  19  * Redistribution and use in source and binary forms, with or without
  20  * modification, are permitted provided that the following conditions are
  21  * met:
  22  *
  23  *  *  Redistributions of source code must retain the above copyright
  24  *     notice, this list of conditions and the following disclaimer.
  25  *
  26  *  *  Redistributions in binary form must reproduce the above copyright
  27  *     notice, this list of conditions and the following disclaimer in the
  28  *     documentation and/or other materials provided with the distribution.
  29  *
  30  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  31  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  32  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  33  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  34  * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  35  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  36  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  37  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  38  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  39  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  40  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  41  *
  42  * -------------------------------------------------------------------------
  43  */
  44 
  45 #ifdef USE_BACKTRACE
  46 # ifdef _INC_BACKTRACE_FUNC
  47 #  ifndef _INC_BACKTRACE_MAIN
  48 #   define _INC_BACKTRACE_MAIN
  49 #   ifndef BACKTRACE_SKIP
  50 #    define BACKTRACE_SKIP 1
  51 #   endif /* ifndef BACKTRACE_SKIP */
  52 #   include <signal.h>
  53 #   ifdef SIGSEGV
  54   (void)signal(SIGSEGV, backtrace_handler);
  55 #   endif /* ifdef SIGSEGV */
  56 #   ifdef SIGILL
  57   (void)signal(SIGILL, backtrace_handler);
  58 #   endif /* ifdef SIGILL */
  59 #   ifdef SIGFPE
  60   (void)signal(SIGFPE, backtrace_handler);
  61 #   endif /* ifdef SIGFPE */
  62 #   ifdef SIGBUS
  63   (void)signal(SIGBUS, backtrace_handler);
  64 #   endif /* ifdef SIGBUS */
  65 #   ifdef SIGUNUSED
  66   (void)signal(SIGUNUSED, backtrace_handler);
  67 #   endif /* ifdef SIGUNUSED */
  68 #   ifdef SIGSYS
  69   (void)signal(SIGSYS, backtrace_handler);
  70 #   endif /* ifdef SIGSYS */
  71 #   ifdef SIGUSR2
  72   (void)signal(SIGUSR2, backtrace_handler);
  73 #   endif /* ifdef SIGUSR2 */
  74 #   ifdef SIGSTKFLT
  75   (void)signal(SIGSTKFLT, backtrace_handler);
  76 #   endif /* ifdef SIGSTKFLT */
  77 #   ifdef SIGPOWER
  78 #    ifdef SIG_IGN
  79   (void)signal(SIGPOWER, SIG_IGN);
  80 #    endif /* ifdef SIG_IGN */
  81 #   endif /* ifdef SIGPOWER */
  82 #   ifdef SIGPWR
  83 #    ifdef SIG_IGN
  84   (void)signal(SIGPWR, SIG_IGN);
  85 #    endif /* ifdef SIG_IGN */
  86 #   endif /* ifdef SIGPWR */
  87 state = backtrace_create_state(
  88   NULL, BACKTRACE_SUPPORTS_THREADS, error_callback, NULL);
  89 #  endif /* ifdef _INC_BACKTRACE_FUNC */
  90 # endif /* ifdef _INC_BACKTRACE_MAIN */
  91 #endif /* ifdef USE_BACKTRACE */
/* */
root/src/simh/backtrace_main.c
