1 // Copyright (C) 2011 The Android Open Source Project 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions 6 // are met: 7 // 1. Redistributions of source code must retain the above copyright 8 // notice, this list of conditions and the following disclaimer. 9 // 2. Redistributions in binary form must reproduce the above copyright 10 // notice, this list of conditions and the following disclaimer in the 11 // documentation and/or other materials provided with the distribution. 12 // 3. Neither the name of the project nor the names of its contributors 13 // may be used to endorse or promote products derived from this software 14 // without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 17 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 // ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 20 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 // OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 // OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 // SUCH DAMAGE. 27 // 28 // pointer_type_info.cc: Methods for __pointer_type_info. 29 30 #include "cxxabi_defines.h" 31 32 namespace __cxxabiv1 33 { 34 __pointer_type_info::~__pointer_type_info() 35 { 36 } 37 38 bool __pointer_type_info::do_can_catch_ptr(const __pbase_type_info* thrown_type, 39 void*& adjustedPtr, 40 unsigned tracker, 41 bool& result) const { 42 // Only check first level pointer 43 if ((tracker & first_time_init) == first_time_init && 44 *__pointee == typeid(void)) { 45 // pointer to function cannot convert to pointer to void 46 if (dynamic_cast<const __function_type_info*>(thrown_type->__pointee)) { 47 result = false; 48 } else { 49 result = true; // Otherwise, anything can convert to void* 50 } 51 52 return true; 53 } 54 55 return false; // Have not decided. Need to recursively call. 56 } 57 } // namespace __cxxabiv1 58
