1e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata/* 2e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * This file is part of ltrace. 398ff309cdc98857eb30992f108439cb7d7673598Petr Machata * Copyright (C) 2012,2013 Petr Machata, Red Hat Inc. 4e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * Copyright (C) 1998,1999,2003,2004,2008,2009 Juan Cespedes 5e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * Copyright (C) 2006 Ian Wienand 6e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * 7e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * This program is free software; you can redistribute it and/or 8e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * modify it under the terms of the GNU General Public License as 9e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * published by the Free Software Foundation; either version 2 of the 10e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * License, or (at your option) any later version. 11e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * 12e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * This program is distributed in the hope that it will be useful, but 13e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * WITHOUT ANY WARRANTY; without even the implied warranty of 14e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * General Public License for more details. 16e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * 17e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * You should have received a copy of the GNU General Public License 18e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * along with this program; if not, write to the Free Software 19e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 20e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata * 02110-1301 USA 21e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata */ 22e99af270a60891e68d465c4cd97dbe29cd1a05e4Petr Machata 23ac3db297f7c6f08b02a7edfb32e441875fd7c1d7Juan Cespedes#include "config.h" 24ac3db297f7c6f08b02a7edfb32e441875fd7c1d7Juan Cespedes 25ac3db297f7c6f08b02a7edfb32e441875fd7c1d7Juan Cespedes#include <string.h> 261b9cfd6ad305ad909e8ff17139111a7c78f01464Juan Cespedes#include <stdlib.h> 271b9cfd6ad305ad909e8ff17139111a7c78f01464Juan Cespedes#include <stdio.h> 28ac3db297f7c6f08b02a7edfb32e441875fd7c1d7Juan Cespedes 293ac8db64ad80c4afacf06a97d0163c9f3f2c9e17Petr Machata#include "demangle.h" 303ac8db64ad80c4afacf06a97d0163c9f3f2c9e17Petr Machata#include "dict.h" 313ac8db64ad80c4afacf06a97d0163c9f3f2c9e17Petr Machata#include "debug.h" 321b9cfd6ad305ad909e8ff17139111a7c78f01464Juan Cespedes 33d914a206a11cc1011a45f00674b1e16988fae77fJuan Cespedes#ifdef USE_DEMANGLE 34d914a206a11cc1011a45f00674b1e16988fae77fJuan Cespedes 35cac15c3f170b5ec2cc6304c8c0763a78103e1778Juan Cespedes/*****************************************************************************/ 361b9cfd6ad305ad909e8ff17139111a7c78f01464Juan Cespedes 37d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machatastatic struct dict *name_cache = NULL; 381b9cfd6ad305ad909e8ff17139111a7c78f01464Juan Cespedes 39f13505251e6402460f6cc7ec84e0d8ca91607b4fJuan Cespedesconst char * 40f13505251e6402460f6cc7ec84e0d8ca91607b4fJuan Cespedesmy_demangle(const char *function_name) { 41cdd17b88c22f8dd50fef823a9cfff2098a43a79dPetr Machata#ifdef USE_CXA_DEMANGLE 422d45b1a8e26a36a9f85dc49e721c4390ca93dc40Ian Wienand extern char *__cxa_demangle(const char *, char *, size_t *, int *); 43d914a206a11cc1011a45f00674b1e16988fae77fJuan Cespedes#endif 44ac3db297f7c6f08b02a7edfb32e441875fd7c1d7Juan Cespedes 45cd8976dbee947f152c3a322503a1063c6359da76Juan Cespedes debug(DEBUG_FUNCTION, "my_demangle(name=%s)", function_name); 46cd8976dbee947f152c3a322503a1063c6359da76Juan Cespedes 47d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata if (name_cache == NULL) { 48d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata name_cache = malloc(sizeof(*name_cache)); 49d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata if (name_cache != NULL) 5097485501f87e5452bc49721003ebfb9717f497b6Peter Wu DICT_INIT(name_cache, char *, const char *, 51d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata dict_hash_string, dict_eq_string, NULL); 52d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata } 53d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata 5498ff309cdc98857eb30992f108439cb7d7673598Petr Machata const char *tmp = NULL; 5598ff309cdc98857eb30992f108439cb7d7673598Petr Machata if (name_cache != NULL 5698ff309cdc98857eb30992f108439cb7d7673598Petr Machata && DICT_FIND_VAL(name_cache, &function_name, &tmp) == 0) 5798ff309cdc98857eb30992f108439cb7d7673598Petr Machata return tmp; 582d45b1a8e26a36a9f85dc49e721c4390ca93dc40Ian Wienand 59d914a206a11cc1011a45f00674b1e16988fae77fJuan Cespedes#ifdef HAVE_LIBIBERTY 6098ff309cdc98857eb30992f108439cb7d7673598Petr Machata tmp = cplus_demangle(function_name, 61d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata DMGL_ANSI | DMGL_PARAMS); 62cdd17b88c22f8dd50fef823a9cfff2098a43a79dPetr Machata#elif defined USE_CXA_DEMANGLE 63d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata int status = 0; 6498ff309cdc98857eb30992f108439cb7d7673598Petr Machata tmp = __cxa_demangle(function_name, NULL, NULL, &status); 65d914a206a11cc1011a45f00674b1e16988fae77fJuan Cespedes#endif 66d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata if (name_cache == NULL || tmp == NULL) { 67d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata fail: 68d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata if (tmp == NULL) 69d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata return function_name; 70d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata return tmp; 711b9cfd6ad305ad909e8ff17139111a7c78f01464Juan Cespedes } 72d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata 73d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata const char *fn_copy = strdup(function_name); 74d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata if (fn_copy == NULL) 75d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata goto fail; 76d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata 77d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata if (DICT_INSERT(name_cache, &fn_copy, &tmp) < 0) { 78d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata free((char *)fn_copy); 79d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata goto fail; 80d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata } 81d7e4ca82e1cf20bb2605befb1da74dd1688c706ePetr Machata 821b9cfd6ad305ad909e8ff17139111a7c78f01464Juan Cespedes return tmp; 83ac3db297f7c6f08b02a7edfb32e441875fd7c1d7Juan Cespedes} 84ac3db297f7c6f08b02a7edfb32e441875fd7c1d7Juan Cespedes 85ac3db297f7c6f08b02a7edfb32e441875fd7c1d7Juan Cespedes#endif 86