/* * Copyright (C) 2011-2021 Intel Corporation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 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. * * Neither the name of Intel Corporation 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 COPYRIGHT HOLDERS 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 COPYRIGHT * OWNER 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 #include #include "sgx_defs.h" #include "sgx_trts.h" #include "internal/se_cdefs.h" #include "internal/cpprt_internal.h" SGX_WEAK void* SGXAPI operator new(size_t size, std::align_val_t alignment) { if (size == 0) size = 1; if (static_cast(alignment) < sizeof(void*)) alignment = std::align_val_t(sizeof(void*)); // Try allocating memory. If allocation fails and there is a new_handler, // call it to try free up memory, and try again until it succeeds, or until // the new_handler decides to terminate. // // If allocation fails and there is no new_handler, we throw bad_alloc // (or return nullptr if exceptions are disabled). void* p; while ((p = std::__libcpp_aligned_alloc(static_cast(alignment), size)) == nullptr) { if ( !call_newh() ){ throw std::bad_alloc(); } } return p; }