15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2011, Google Inc. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// All rights reserved. 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Redistribution and use in source and binary forms, with or without 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// modification, are permitted provided that the following conditions are 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// met: 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// * Redistributions of source code must retain the above copyright 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// notice, this list of conditions and the following disclaimer. 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// * Redistributions in binary form must reproduce the above 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// copyright notice, this list of conditions and the following disclaimer 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// in the documentation and/or other materials provided with the 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// distribution. 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// * Neither the name of Google Inc. nor the names of its 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// contributors may be used to endorse or promote products derived from 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// this software without specific prior written permission. 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// --- 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Author: Craig Silverstein <opensource@google.com> 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Used to override malloc routines on systems that define the 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// memory allocation routines to be weak symbols in their libc 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// (almost all unix-based systems are like this), on gcc, which 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// suppports the 'alias' attribute. 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef TCMALLOC_LIBC_OVERRIDE_GCC_AND_WEAK_INL_H_ 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define TCMALLOC_LIBC_OVERRIDE_GCC_AND_WEAK_INL_H_ 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifdef HAVE_SYS_CDEFS_H 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <sys/cdefs.h> // for __THROW 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <gperftools/tcmalloc.h> 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef __THROW // I guess we're not on a glibc-like system 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# define __THROW // __THROW is just an optimization, so ok to make it "" 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef __GNUC__ 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)# error libc_override_gcc_and_weak.h is for gcc distributions only. 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define ALIAS(tc_fn) __attribute__ ((alias (#tc_fn))) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#if defined(__ANDROID__) 5790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// Android's bionic doesn't have std::bad_alloc. 5890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#define STD_BAD_ALLOC 5990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#else 6090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#define STD_BAD_ALLOC std::bad_alloc 6190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#endif 6290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 6390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)void* operator new(size_t size) throw (STD_BAD_ALLOC) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ALIAS(tc_new); 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void operator delete(void* p) __THROW 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ALIAS(tc_delete); 6790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)void* operator new[](size_t size) throw (STD_BAD_ALLOC) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ALIAS(tc_newarray); 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void operator delete[](void* p) __THROW 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ALIAS(tc_deletearray); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void* operator new(size_t size, const std::nothrow_t& nt) __THROW 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ALIAS(tc_new_nothrow); 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void* operator new[](size_t size, const std::nothrow_t& nt) __THROW 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ALIAS(tc_newarray_nothrow); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void operator delete(void* p, const std::nothrow_t& nt) __THROW 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ALIAS(tc_delete_nothrow); 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void operator delete[](void* p, const std::nothrow_t& nt) __THROW 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ALIAS(tc_deletearray_nothrow); 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)extern "C" { 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void* malloc(size_t size) __THROW ALIAS(tc_malloc); 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void free(void* ptr) __THROW ALIAS(tc_free); 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void* realloc(void* ptr, size_t size) __THROW ALIAS(tc_realloc); 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void* calloc(size_t n, size_t size) __THROW ALIAS(tc_calloc); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void cfree(void* ptr) __THROW ALIAS(tc_cfree); 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void* memalign(size_t align, size_t s) __THROW ALIAS(tc_memalign); 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void* valloc(size_t size) __THROW ALIAS(tc_valloc); 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void* pvalloc(size_t size) __THROW ALIAS(tc_pvalloc); 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int posix_memalign(void** r, size_t a, size_t s) __THROW 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ALIAS(tc_posix_memalign); 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void malloc_stats(void) __THROW ALIAS(tc_malloc_stats); 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int mallopt(int cmd, int value) __THROW ALIAS(tc_mallopt); 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifdef HAVE_STRUCT_MALLINFO 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct mallinfo mallinfo(void) __THROW ALIAS(tc_mallinfo); 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t malloc_size(void* p) __THROW ALIAS(tc_malloc_size); 97cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#if defined(__ANDROID__) 98cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) size_t malloc_usable_size(const void* p) __THROW 99cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ALIAS(tc_malloc_size); 100cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#else 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t malloc_usable_size(void* p) __THROW ALIAS(tc_malloc_size); 102cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#endif 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // extern "C" 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#undef ALIAS 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// No need to do anything at tcmalloc-registration time: we do it all 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// via overriding weak symbols (at link time). 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static void ReplaceSystemAlloc() { } 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // TCMALLOC_LIBC_OVERRIDE_GCC_AND_WEAK_INL_H_ 112