blob: f56731840fcfd268f65c25684d9468b522f07c29 [file] [log] [blame]
/*
* Backtrace debugging
* Copyright (c) 2009, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef TRACE_H
#define TRACE_H
#define WPA_TRACE_LEN 16
#if defined(WPA_TRACE) || defined(WPA_TRACE_SIGNALS)
#include <execinfo.h>
#include "list.h"
#define WPA_TRACE_INFO void *btrace[WPA_TRACE_LEN]; int btrace_num;
struct wpa_trace_ref {
struct dl_list list;
const void *addr;
WPA_TRACE_INFO
};
#define WPA_TRACE_REF(name) struct wpa_trace_ref wpa_trace_ref_##name
#define wpa_trace_dump(title, ptr) \
wpa_trace_dump_func((title), (ptr)->btrace, (ptr)->btrace_num)
void wpa_trace_dump_func(const char *title, void **btrace, int btrace_num);
#define wpa_trace_record(ptr) \
(ptr)->btrace_num = backtrace((ptr)->btrace, WPA_TRACE_LEN)
void wpa_trace_show(const char *title);
#define wpa_trace_add_ref(ptr, name, addr) \
wpa_trace_add_ref_func(&(ptr)->wpa_trace_ref_##name, (addr))
void wpa_trace_add_ref_func(struct wpa_trace_ref *ref, const void *addr);
#define wpa_trace_remove_ref(ptr, name, addr) \
do { \
if ((addr)) \
dl_list_del(&(ptr)->wpa_trace_ref_##name.list); \
} while (0)
void wpa_trace_check_ref(const void *addr);
#else /* defined(WPA_TRACE) || defined(WPA_TRACE_SIGNALS) */
#define WPA_TRACE_INFO
#define WPA_TRACE_REF(n)
#define wpa_trace_dump(title, ptr) do { } while (0)
#define wpa_trace_record(ptr) do { } while (0)
#define wpa_trace_show(title) do { } while (0)
#define wpa_trace_add_ref(ptr, name, addr) do { } while (0)
#define wpa_trace_remove_ref(ptr, name, addr) do { } while (0)
#define wpa_trace_check_ref(addr) do { } while (0)
#endif /* defined(WPA_TRACE) || defined(WPA_TRACE_SIGNALS) */
#ifdef WPA_TRACE_BFD
void wpa_trace_dump_funcname(const char *title, void *pc);
#else /* WPA_TRACE_BFD */
#define wpa_trace_dump_funcname(title, pc) do { } while (0)
#endif /* WPA_TRACE_BFD */
#endif /* TRACE_H */