PPCMCAsmInfo.cpp revision 224145 
1//===-- PPCMCAsmInfo.cpp - PPC asm properties -------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file contains the declarations of the MCAsmInfoDarwin properties.
11//
12//===----------------------------------------------------------------------===//
13
14#include "PPCMCAsmInfo.h"
15using namespace llvm;
16
17PPCMCAsmInfoDarwin::PPCMCAsmInfoDarwin(bool is64Bit) {
18  if (is64Bit)
19    PointerSize = 8;
20  IsLittleEndian = false;
21
22  PCSymbol = ".";
23  CommentString = ";";
24  ExceptionsType = ExceptionHandling::DwarfCFI;
25
26  if (!is64Bit)
27    Data64bitsDirective = 0;      // We can't emit a 64-bit unit in PPC32 mode.
28
29  AssemblerDialect = 1;           // New-Style mnemonics.
30  SupportsDebugInformation= true; // Debug information.
31}
32
33PPCLinuxMCAsmInfo::PPCLinuxMCAsmInfo(bool is64Bit) {
34  // ".comm align is in bytes but .align is pow-2."
35  AlignmentIsInBytes = false;
36
37  CommentString = "#";
38  GlobalPrefix = "";
39  PrivateGlobalPrefix = ".L";
40  WeakRefDirective = "\t.weak\t";
41
42  // Uses '.section' before '.bss' directive
43  UsesELFSectionDirectiveForBSS = true;
44
45  // Debug Information
46  SupportsDebugInformation = true;
47
48  PCSymbol = ".";
49
50  // Set up DWARF directives
51  HasLEB128 = true;  // Target asm supports leb128 directives (little-endian)
52
53  // Exceptions handling
54  if (!is64Bit)
55    ExceptionsType = ExceptionHandling::DwarfCFI;
56
57  ZeroDirective = "\t.space\t";
58  Data64bitsDirective = is64Bit ? "\t.quad\t" : 0;
59  HasLCOMMDirective = true;
60  AssemblerDialect = 0;           // Old-Style mnemonics.
61}
62
63