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https://gitea.osmocom.org/sim-card/simtrace2.git
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f721e69bc1
Remove the paragraph about writing to the Free Software Foundation's mailing address. The FSF has changed addresses in the past, and may do so again. In 2021 this is not useful, let's rather have a bit less boilerplate at the start of source files. Change-Id: Ie0a3b2273383adbb3303faffd6ff96be7f4cae99
89 lines
2.3 KiB
C
89 lines
2.3 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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*/
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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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