| /* |
| * 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 */ |