1//===- MC/MCAsmInfoXCOFF.cpp - XCOFF asm properties ------------ *- C++ -*-===//
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#include "llvm/MC/MCAsmInfoXCOFF.h"
10#include "llvm/ADT/StringExtras.h"
11#include "llvm/Support/CommandLine.h"
12
13using namespace llvm;
14
15namespace llvm {
16extern cl::opt<cl::boolOrDefault> UseLEB128Directives;
17}
18
19void MCAsmInfoXCOFF::anchor() {}
20
21MCAsmInfoXCOFF::MCAsmInfoXCOFF() {
22 IsAIX = true;
23 IsLittleEndian = false;
24
25 PrivateGlobalPrefix = "L..";
26 PrivateLabelPrefix = "L..";
27 SupportsQuotedNames = false;
28 if (UseLEB128Directives == cl::BOU_UNSET)
29 HasLEB128Directives = false;
30 ZeroDirective = "\t.space\t";
31 AsciiDirective = nullptr; // not supported
32 AscizDirective = nullptr; // not supported
33 CharacterLiteralSyntax = ACLS_SingleQuotePrefix;
34
35 // Use .vbyte for data definition to avoid directives that apply an implicit
36 // alignment.
37 Data16bitsDirective = "\t.vbyte\t2, ";
38 Data32bitsDirective = "\t.vbyte\t4, ";
39
40 COMMDirectiveAlignmentIsInBytes = false;
41 LCOMMDirectiveAlignmentType = LCOMM::Log2Alignment;
42 HasDotTypeDotSizeDirective = false;
43 ParseInlineAsmUsingAsmParser = true;
44
45 ExceptionsType = ExceptionHandling::AIX;
46}
47
48bool MCAsmInfoXCOFF::isAcceptableChar(char C) const {
49 // QualName is allowed for a MCSymbolXCOFF, and
50 // QualName contains '[' and ']'.
51 if (C == '[' || C == ']')
52 return true;
53
54 // For AIX assembler, symbols may consist of numeric digits,
55 // underscores, periods, uppercase or lowercase letters, or
56 // any combination of these.
57 return isAlnum(C) || C == '_' || C == '.';
58}
59