PPCMCAsmInfo.cpp revision 234353 
1//===-- PPCMCAsmInfo.cpp - PPC asm properties -----------------------------===//
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
17void PPCMCAsmInfoDarwin::anchor() { }
18
19PPCMCAsmInfoDarwin::PPCMCAsmInfoDarwin(bool is64Bit) {
20  if (is64Bit)
21    PointerSize = 8;
22  IsLittleEndian = false;
23
24  PCSymbol = ".";
25  CommentString = ";";
26  ExceptionsType = ExceptionHandling::DwarfCFI;
27
28  if (!is64Bit)
29    Data64bitsDirective = 0;      // We can't emit a 64-bit unit in PPC32 mode.
30
31  AssemblerDialect = 1;           // New-Style mnemonics.
32  SupportsDebugInformation= true; // Debug information.
33}
34
35void PPCLinuxMCAsmInfo::anchor() { }
36
37PPCLinuxMCAsmInfo::PPCLinuxMCAsmInfo(bool is64Bit) {
38  if (is64Bit)
39    PointerSize = 8;
40  IsLittleEndian = false;
41
42  // ".comm align is in bytes but .align is pow-2."
43  AlignmentIsInBytes = false;
44
45  CommentString = "#";
46  GlobalPrefix = "";
47  PrivateGlobalPrefix = ".L";
48  WeakRefDirective = "\t.weak\t";
49
50  // Uses '.section' before '.bss' directive
51  UsesELFSectionDirectiveForBSS = true;
52
53  // Debug Information
54  SupportsDebugInformation = true;
55
56  PCSymbol = ".";
57
58  // Set up DWARF directives
59  HasLEB128 = true;  // Target asm supports leb128 directives (little-endian)
60
61  // Exceptions handling
62  if (!is64Bit)
63    ExceptionsType = ExceptionHandling::DwarfCFI;
64
65  ZeroDirective = "\t.space\t";
66  Data64bitsDirective = is64Bit ? "\t.quad\t" : 0;
67  LCOMMDirectiveType = LCOMM::NoAlignment;
68  AssemblerDialect = 0;           // Old-Style mnemonics.
69}
70
71