1 //===-- WebAssemblyMCAsmInfo.cpp - WebAssembly asm properties -------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 /// 9 /// \file 10 /// This file contains the declarations of the WebAssemblyMCAsmInfo 11 /// properties. 12 /// 13 //===----------------------------------------------------------------------===// 14 15 #include "WebAssemblyMCAsmInfo.h" 16 #include "llvm/ADT/Triple.h" 17 18 using namespace llvm; 19 20 #define DEBUG_TYPE "wasm-mc-asm-info" 21 22 WebAssemblyMCAsmInfo::~WebAssemblyMCAsmInfo() = default; // anchor. 23 24 WebAssemblyMCAsmInfo::WebAssemblyMCAsmInfo(const Triple &T) { 25 CodePointerSize = CalleeSaveStackSlotSize = T.isArch64Bit() ? 8 : 4; 26 27 // TODO: What should MaxInstLength be? 28 29 UseDataRegionDirectives = true; 30 31 // Use .skip instead of .zero because .zero is confusing when used with two 32 // arguments (it doesn't actually zero things out). 33 ZeroDirective = "\t.skip\t"; 34 35 Data8bitsDirective = "\t.int8\t"; 36 Data16bitsDirective = "\t.int16\t"; 37 Data32bitsDirective = "\t.int32\t"; 38 Data64bitsDirective = "\t.int64\t"; 39 40 AlignmentIsInBytes = false; 41 COMMDirectiveAlignmentIsInBytes = false; 42 LCOMMDirectiveAlignmentType = LCOMM::Log2Alignment; 43 44 SupportsDebugInformation = true; 45 46 // TODO: UseIntegratedAssembler? 47 } 48