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/* - mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2010 Brian Aker
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include <drizzled/util/backtrace.h>
#include <string.h>
#include <stdlib.h>
#include <iostream>
#ifdef __GNUC__
#ifdef HAVE_BACKTRACE
#include <execinfo.h>
#include <cxxabi.h>
#endif // HAVE_BACKTRACE
#endif // __GNUC__
namespace drizzled
{
namespace util
{
void custom_backtrace(const char *file, int line, const char *func)
{
std::cerr << std::endl << "call_backtrace() began at " << file << ":" << line << " for " << func << "()" << std::endl;
#ifdef __GNUC__
#ifdef HAVE_BACKTRACE
void *array[50];
size_t size;
char **strings;
size= backtrace(array, 50);
strings= backtrace_symbols(array, size);
std::cerr << "Number of stack frames obtained: " << size << std::endl;
for (size_t x= 1; x < size; x++)
{
size_t sz= 200;
char *function= (char *)malloc(sz);
char *begin= 0;
char *end= 0;
for (char *j = strings[x]; *j; ++j)
{
if (*j == '(') {
begin = j;
}
else if (*j == '+') {
end = j;
}
}
if (begin && end)
{
begin++;
*end= '\0';
int status;
char *ret = abi::__cxa_demangle(begin, function, &sz, &status);
if (ret)
{
function= ret;
}
else
{
strncpy(function, begin, sz);
strncat(function, "()", sz);
function[sz-1] = '\0';
}
std::cerr << function << std::endl;
}
else
{
std::cerr << strings[x] << std::endl;
}
free(function);
}
free (strings);
#endif // HAVE_BACKTRACE
#endif // __GNUC__
}
} /* namespace util */
} /* namespace drizzled */
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