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930f704aac
WPA_TRACE=y can now be used to enable internal backtrace support that will provide more details about implementation errors, e.g., when some resources are not released correctly. In addition, this will print out a backtrace automatically if SIGSEGV is received.
47 lines
1.0 KiB
C
47 lines
1.0 KiB
C
/*
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* Backtrace debugging
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* Copyright (c) 2009, Jouni Malinen <j@w1.fi>
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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 version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#include "includes.h"
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#include "common.h"
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#include "trace.h"
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#ifdef WPA_TRACE
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void wpa_trace_dump_func(const char *title, void **btrace, int btrace_num)
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{
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char **sym;
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int i;
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wpa_printf(MSG_INFO, "WPA_TRACE: %s - START", title);
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sym = backtrace_symbols(btrace, btrace_num);
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for (i = 0; i < btrace_num; i++)
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wpa_printf(MSG_INFO, "[%d]: %p: %s",
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i, btrace[i], sym ? sym[i] : "");
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os_free(sym);
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wpa_printf(MSG_INFO, "WPA_TRACE: %s - END", title);
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}
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void wpa_trace_show(const char *title)
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{
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struct info {
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WPA_TRACE_INFO
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} info;
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wpa_trace_record(&info);
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wpa_trace_dump(title, &info);
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}
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#endif /* WPA_TRACE */
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