| // Copyright (C) 2011 The Android Open Source Project |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions |
| // are met: |
| // 1. Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // 2. Redistributions in binary form must reproduce the above copyright |
| // notice, this list of conditions and the following disclaimer in the |
| // documentation and/or other materials provided with the distribution. |
| // 3. Neither the name of the project nor the names of its contributors |
| // may be used to endorse or promote products derived from this software |
| // without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
| // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| // ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| // OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| // OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| // SUCH DAMAGE. |
| |
| #include <stdlib.h> |
| #include <unistd.h> |
| |
| #include <cxxabi.h> |
| |
| #define PAYLOAD(s) s, sizeof(s) - 1 |
| |
| // Override malloc() and free() to ensure they are never called! |
| // |
| // Because GAbi++ is statically linked into this shared library with -Bsymbolic, |
| // any malloc() and free() calls it contains will be compiled as direct calls to |
| // this function, bypassing the dynamic linker's PLT indirections and avoiding |
| // the symbols from the C library. |
| extern "C" void* malloc(size_t size) { |
| write(2, PAYLOAD("ERROR: malloc called!")); |
| exit(1); |
| } |
| |
| extern "C" void free(void*) { |
| write(2, PAYLOAD("ERROR: free called!")); |
| exit(2); |
| } |
| |
| // Called by the test program to force creation of a thread-specific |
| // C++ runtime object. |
| extern "C" void* get_globals() { |
| return (void*) __cxxabiv1::__cxa_get_globals(); |
| } |