1 // 2 // Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR> 3 // 4 // This program and the accompanying materials are licensed and made available under 5 // the terms and conditions of the BSD License that accompanies this distribution. 6 // The full text of the license may be found at 7 // http://opensource.org/licenses/bsd-license.php. 8 // 9 // THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10 // WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11 // 12 13 // 14 // GCC in LTO mode interoperates poorly with non-standard libraries that 15 // provide implementations of compiler intrinsics such as memcpy/memset 16 // or the stack protector entry points. 17 // 18 // By referencing these functions from a non-LTO object that can be passed 19 // to the linker via the -plugin-opt=-pass-through=-lxxx options, the 20 // intrinsics are included in the link in a way that allows them to be 21 // pruned again if no other references to them exist. 22 // 23 24 .long memcpy - . 25 .long memset - . 26 .long __stack_chk_fail - . 27 .long __stack_chk_guard - . 28
