ARMMCAsmInfo.cpp revision 245431 
1//===-- ARMMCAsmInfo.cpp - ARM 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 ARMMCAsmInfo properties.
11//
12//===----------------------------------------------------------------------===//
13
14#include "ARMMCAsmInfo.h"
15#include "llvm/Support/CommandLine.h"
16
17using namespace llvm;
18
19cl::opt<bool>
20EnableARMEHABI("arm-enable-ehabi", cl::Hidden,
21  cl::desc("Generate ARM EHABI tables"),
22  cl::init(false));
23
24
25void ARMMCAsmInfoDarwin::anchor() { }
26
27ARMMCAsmInfoDarwin::ARMMCAsmInfoDarwin() {
28  Data64bitsDirective = 0;
29  CommentString = "@";
30  Code16Directive = ".code\t16";
31  Code32Directive = ".code\t32";
32  UseDataRegionDirectives = true;
33
34  SupportsDebugInformation = true;
35
36  // Exceptions handling
37  ExceptionsType = ExceptionHandling::SjLj;
38}
39
40void ARMELFMCAsmInfo::anchor() { }
41
42ARMELFMCAsmInfo::ARMELFMCAsmInfo() {
43  // ".comm align is in bytes but .align is pow-2."
44  AlignmentIsInBytes = false;
45
46  Data64bitsDirective = 0;
47  CommentString = "@";
48  PrivateGlobalPrefix = ".L";
49  Code16Directive = ".code\t16";
50  Code32Directive = ".code\t32";
51
52  WeakRefDirective = "\t.weak\t";
53
54  HasLEB128 = true;
55  SupportsDebugInformation = true;
56
57  // Exceptions handling
58  if (EnableARMEHABI)
59    ExceptionsType = ExceptionHandling::ARM;
60}
61