mirror of https://gerrit.osmocom.org/libosmocore
93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
/*
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* (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
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* (C) 2012 by Harald Welte <laforge@gnumonks.org>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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/*! \file backtrace.c
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* \brief Routines realted to generating call back traces
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/logging.h>
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#include "config.h"
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#ifdef HAVE_EXECINFO_H
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#include <execinfo.h>
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static void _osmo_backtrace(int use_printf, int subsys, int level)
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{
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int i, nptrs;
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void *buffer[100];
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char **strings;
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nptrs = backtrace(buffer, ARRAY_SIZE(buffer));
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if (use_printf)
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printf("backtrace() returned %d addresses\n", nptrs);
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else
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LOGP(subsys, level, "backtrace() returned %d addresses\n",
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nptrs);
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strings = backtrace_symbols(buffer, nptrs);
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if (!strings)
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return;
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for (i = 1; i < nptrs; i++) {
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if (use_printf)
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printf("%s\n", strings[i]);
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else
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LOGP(subsys, level, "\t%s\n", strings[i]);
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}
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free(strings);
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}
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/*! \brief Generate and print a call back-trace
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*
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* This function will generate a function call back-trace of the
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* current process and print it to stdout. */
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void osmo_generate_backtrace(void)
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{
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_osmo_backtrace(1, 0, 0);
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}
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/*! \brief Generate and log a call back-trace
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* \param[in] subsys Logging sub-system
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* \param[in] level Logging level
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*
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* This function will generate a function call back-trace of the
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* current process and log it to the specified subsystem and
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* level using the libosmocore logging subsystem */
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void osmo_log_backtrace(int subsys, int level)
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{
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_osmo_backtrace(0, subsys, level);
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}
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#else
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void osmo_generate_backtrace(void)
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{
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printf("This platform has no backtrace function\n");
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}
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void osmo_log_backtrace(int subsys, int level)
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{
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LOGP(subsys, level, "This platform has no backtrace function\n");
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}
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#endif
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