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//===-- LanaiMCAsmInfo.cpp - Lanai asm properties -----------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file contains the declarations of the LanaiMCAsmInfo properties.
//
//===----------------------------------------------------------------------===//
#include "LanaiMCAsmInfo.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/TargetParser/Triple.h"
using namespace llvm;
void LanaiMCAsmInfo::anchor() {}
LanaiMCAsmInfo::LanaiMCAsmInfo(const Triple & /*TheTriple*/,
const MCTargetOptions &Options) {
IsLittleEndian = false;
PrivateGlobalPrefix = ".L";
WeakRefDirective = "\t.weak\t";
ExceptionsType = ExceptionHandling::DwarfCFI;
// Lanai assembly requires ".section" before ".bss"
UsesELFSectionDirectiveForBSS = true;
// Use '!' as comment string to correspond with old toolchain.
CommentString = "!";
// Target supports emission of debugging information.
SupportsDebugInformation = true;
// Set the instruction alignment. Currently used only for address adjustment
// in dwarf generation.
MinInstAlignment = 4;
}
void LanaiMCAsmInfo::printSpecifierExpr(raw_ostream &OS,
const MCSpecifierExpr &Expr) const {
if (Expr.getSpecifier() == 0) {
printExpr(OS, *Expr.getSubExpr());
return;
}
switch (Expr.getSpecifier()) {
default:
llvm_unreachable("Invalid kind!");
case Lanai::S_ABS_HI:
OS << "hi";
break;
case Lanai::S_ABS_LO:
OS << "lo";
break;
}
OS << '(';
printExpr(OS, *Expr.getSubExpr());
OS << ')';
}
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