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 
17 using namespace llvm;
18 
19 cl::opt<bool>
20 EnableARMEHABI("arm-enable-ehabi", cl::Hidden,
21   cl::desc("Generate ARM EHABI tables"),
22   cl::init(false));
23 
24 
25 void ARMMCAsmInfoDarwin::anchor() { }
26 
27 ARMMCAsmInfoDarwin::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 
40 void ARMELFMCAsmInfo::anchor() { }
41 
42 ARMELFMCAsmInfo::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   HasLEB128 = true;
53   SupportsDebugInformation = true;
54 
55   // Exceptions handling
56   if (EnableARMEHABI)
57     ExceptionsType = ExceptionHandling::ARM;
58 }
59