1 //===-- WebAssemblyMCAsmInfo.cpp - WebAssembly asm properties -------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// \brief This file contains the declarations of the WebAssemblyMCAsmInfo
14 //===----------------------------------------------------------------------===//
16 #include "WebAssemblyMCAsmInfo.h"
17 #include "llvm/ADT/Triple.h"
18 #include "llvm/Support/CommandLine.h"
21 #define DEBUG_TYPE "wasm-mc-asm-info"
23 WebAssemblyMCAsmInfo::~WebAssemblyMCAsmInfo() {}
25 WebAssemblyMCAsmInfo::WebAssemblyMCAsmInfo(const Triple &T) {
26 PointerSize = CalleeSaveStackSlotSize = T.isArch64Bit() ? 8 : 4;
28 // TODO: What should MaxInstLength be?
30 UseDataRegionDirectives = true;
32 Data8bitsDirective = "\t.int8\t";
33 Data16bitsDirective = "\t.int16\t";
34 Data32bitsDirective = "\t.int32\t";
35 Data64bitsDirective = "\t.int64\t";
37 AlignmentIsInBytes = false;
38 COMMDirectiveAlignmentIsInBytes = false;
39 LCOMMDirectiveAlignmentType = LCOMM::Log2Alignment;
41 SupportsDebugInformation = true;
43 // For now, WebAssembly does not support exceptions.
44 ExceptionsType = ExceptionHandling::None;
46 // TODO: UseIntegratedAssembler?