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# - Try to find libunwind
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# Once done this will define
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#
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# LIBUNWIND_FOUND - system has libunwind
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# LIBUNWIND_INCLUDE_DIR - the libunwind include directory
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# LIBUNWIND_LIBRARIES - Link these to use libunwind
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# LIBUNWIND_DEFINITIONS - Compiler switches required for using libunwind
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# Copyright (c) 2006, Alexander Dymo, <adymo@kdevelop.org>
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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find_path(LIBUNWIND_INCLUDE_DIR libunwind.h
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/usr/include
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/usr/local/include
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)
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find_library(LIBUNWIND_LIBRARIES NAMES unwind )
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(Libunwind "Could not find libunwind" LIBUNWIND_INCLUDE_DIR LIBUNWIND_LIBRARIES)
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# show the LIBUNWIND_INCLUDE_DIR and LIBUNWIND_LIBRARIES variables only in the advanced view
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mark_as_advanced(LIBUNWIND_INCLUDE_DIR LIBUNWIND_LIBRARIES )
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@ -0,0 +1,84 @@
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// Copyright (c) 2016, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "common/exception.h"
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#include "misc_log_ex.h"
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#define UNW_LOCAL_ONLY
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#include <libunwind.h>
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#include <cxxabi.h>
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namespace tools
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{
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void log_stack_trace(const char *msg)
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{
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#ifdef HAVE_LIBUNWIND
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unw_context_t ctx;
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unw_cursor_t cur;
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unw_word_t ip, off;
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unsigned level;
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char sym[512], *dsym;
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int status;
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if (msg)
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LOG_PRINT_L0(msg);
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LOG_PRINT_L0("Unwinded call stack:");
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if (unw_getcontext(&ctx) < 0) {
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LOG_PRINT_L0("Failed to create unwind context");
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return;
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}
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if (unw_init_local(&cur, &ctx) < 0) {
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LOG_PRINT_L0("Failed to find the first unwind frame");
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return;
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}
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for (level = 1; level < 999; ++level) { // 999 for safety
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int ret = unw_step(&cur);
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if (ret < 0) {
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LOG_PRINT_L0("Failed to find the next frame");
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return;
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}
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if (ret == 0)
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break;
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if (unw_get_reg(&cur, UNW_REG_IP, &ip) < 0) {
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LOG_PRINT_L0(" " << std::setw(4) << level);
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continue;
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}
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if (unw_get_proc_name(&cur, sym, sizeof(sym), &off) < 0) {
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LOG_PRINT_L0(" " << std::setw(4) << level << std::setbase(16) << std::setw(20) << "0x" << ip);
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continue;
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}
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dsym = abi::__cxa_demangle(sym, NULL, NULL, &status);
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LOG_PRINT_L0(" " << std::setw(4) << level << std::setbase(16) << std::setw(20) << "0x" << ip << " " << (!status && dsym ? dsym : sym) << " + " << "0x" << off);
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free(dsym);
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}
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#else
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#warning libunwind disabled, no stack traces
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#endif
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}
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} // namespace tools
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@ -0,0 +1,53 @@
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// Copyright (c) 2016, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef MONERO_EXCEPTION_H
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#define MONERO_EXCEPTION_H
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#include <stdexcept>
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#include <string>
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namespace tools
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{
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void log_stack_trace(const char *msg);
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class exception: public std::exception {
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public:
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exception() { log_stack_trace(what()); }
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};
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class runtime_error: public std::runtime_error {
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public:
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explicit runtime_error(const std::string &s): std::runtime_error(s) { log_stack_trace(what()); }
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explicit runtime_error(const char *s): std::runtime_error(s) { log_stack_trace(what()); }
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};
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} // namespace tools
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#endif
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Reference in new issue