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-exception
6//
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 adjustment
39 // 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