1/* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17/* 18 * LLVM mangles the "___chkstk()" and "__alloca()" function from rust 19 * libcompiler_builtins with an additional underscore, making them "___chkstk" 20 * and "___alloca and causing the linker to fail finding them. We workaround by 21 * defining the magled symbols that simply jump to the correct target. 22 */ 23 24.global ___chkstk 25.global __alloca 26 27___chkstk: 28 jmp ____chkstk 29 30__alloca: 31 jmp ___alloca 32