trace.h revision c5ec7f57ead87efa365800228aa0b09a12d9e6c4
1/* 2 * Backtrace debugging 3 * Copyright (c) 2009, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9#ifndef TRACE_H 10#define TRACE_H 11 12#define WPA_TRACE_LEN 16 13 14#ifdef WPA_TRACE 15#include <execinfo.h> 16 17#include "list.h" 18 19#define WPA_TRACE_INFO void *btrace[WPA_TRACE_LEN]; int btrace_num; 20 21struct wpa_trace_ref { 22 struct dl_list list; 23 const void *addr; 24 WPA_TRACE_INFO 25}; 26#define WPA_TRACE_REF(name) struct wpa_trace_ref wpa_trace_ref_##name 27 28#define wpa_trace_dump(title, ptr) \ 29 wpa_trace_dump_func((title), (ptr)->btrace, (ptr)->btrace_num) 30void wpa_trace_dump_func(const char *title, void **btrace, int btrace_num); 31#define wpa_trace_record(ptr) \ 32 (ptr)->btrace_num = backtrace((ptr)->btrace, WPA_TRACE_LEN) 33void wpa_trace_show(const char *title); 34#define wpa_trace_add_ref(ptr, name, addr) \ 35 wpa_trace_add_ref_func(&(ptr)->wpa_trace_ref_##name, (addr)) 36void wpa_trace_add_ref_func(struct wpa_trace_ref *ref, const void *addr); 37#define wpa_trace_remove_ref(ptr, name, addr) \ 38 do { \ 39 if ((addr)) \ 40 dl_list_del(&(ptr)->wpa_trace_ref_##name.list); \ 41 } while (0) 42void wpa_trace_check_ref(const void *addr); 43 44#else /* WPA_TRACE */ 45 46#define WPA_TRACE_INFO 47#define WPA_TRACE_REF(n) 48#define wpa_trace_dump(title, ptr) do { } while (0) 49#define wpa_trace_record(ptr) do { } while (0) 50#define wpa_trace_show(title) do { } while (0) 51#define wpa_trace_add_ref(ptr, name, addr) do { } while (0) 52#define wpa_trace_remove_ref(ptr, name, addr) do { } while (0) 53#define wpa_trace_check_ref(addr) do { } while (0) 54 55#endif /* WPA_TRACE */ 56 57 58#ifdef WPA_TRACE_BFD 59 60void wpa_trace_dump_funcname(const char *title, void *pc); 61 62#else /* WPA_TRACE_BFD */ 63 64#define wpa_trace_dump_funcname(title, pc) do { } while (0) 65 66#endif /* WPA_TRACE_BFD */ 67 68#endif /* TRACE_H */ 69