65 lines · cpp
1//===-- LanaiMCAsmInfo.cpp - Lanai 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-exception6//7//===----------------------------------------------------------------------===//8//9// This file contains the declarations of the LanaiMCAsmInfo properties.10//11//===----------------------------------------------------------------------===//12 13#include "LanaiMCAsmInfo.h"14#include "llvm/MC/MCExpr.h"15#include "llvm/Support/raw_ostream.h"16#include "llvm/TargetParser/Triple.h"17 18using namespace llvm;19 20void LanaiMCAsmInfo::anchor() {}21 22LanaiMCAsmInfo::LanaiMCAsmInfo(const Triple & /*TheTriple*/,23 const MCTargetOptions &Options) {24 IsLittleEndian = false;25 PrivateGlobalPrefix = ".L";26 WeakRefDirective = "\t.weak\t";27 ExceptionsType = ExceptionHandling::DwarfCFI;28 29 // Lanai assembly requires ".section" before ".bss"30 UsesELFSectionDirectiveForBSS = true;31 32 // Use '!' as comment string to correspond with old toolchain.33 CommentString = "!";34 35 // Target supports emission of debugging information.36 SupportsDebugInformation = true;37 38 // Set the instruction alignment. Currently used only for address adjustment39 // in dwarf generation.40 MinInstAlignment = 4;41}42 43void LanaiMCAsmInfo::printSpecifierExpr(raw_ostream &OS,44 const MCSpecifierExpr &Expr) const {45 if (Expr.getSpecifier() == 0) {46 printExpr(OS, *Expr.getSubExpr());47 return;48 }49 50 switch (Expr.getSpecifier()) {51 default:52 llvm_unreachable("Invalid kind!");53 case Lanai::S_ABS_HI:54 OS << "hi";55 break;56 case Lanai::S_ABS_LO:57 OS << "lo";58 break;59 }60 61 OS << '(';62 printExpr(OS, *Expr.getSubExpr());63 OS << ')';64}65