1 //===-- ARMMCAsmInfo.cpp - ARM asm properties -----------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains the declarations of the ARMMCAsmInfo properties.
12 //===----------------------------------------------------------------------===//
14 #include "ARMMCAsmInfo.h"
15 #include "llvm/Support/CommandLine.h"
16 #include "llvm/ADT/Triple.h"
20 void ARMMCAsmInfoDarwin::anchor() { }
22 ARMMCAsmInfoDarwin::ARMMCAsmInfoDarwin(StringRef TT) {
24 if ((TheTriple.getArch() == Triple::armeb) ||
25 (TheTriple.getArch() == Triple::thumbeb))
26 IsLittleEndian = false;
28 Data64bitsDirective = nullptr;
30 Code16Directive = ".code\t16";
31 Code32Directive = ".code\t32";
32 UseDataRegionDirectives = true;
34 SupportsDebugInformation = true;
36 // Exceptions handling
37 ExceptionsType = ExceptionHandling::SjLj;
39 UseIntegratedAssembler = true;
42 void ARMELFMCAsmInfo::anchor() { }
44 ARMELFMCAsmInfo::ARMELFMCAsmInfo(StringRef TT) {
46 if ((TheTriple.getArch() == Triple::armeb) ||
47 (TheTriple.getArch() == Triple::thumbeb))
48 IsLittleEndian = false;
50 // ".comm align is in bytes but .align is pow-2."
51 AlignmentIsInBytes = false;
53 Data64bitsDirective = nullptr;
55 Code16Directive = ".code\t16";
56 Code32Directive = ".code\t32";
58 SupportsDebugInformation = true;
60 // Exceptions handling
61 switch (TheTriple.getOS()) {
63 ExceptionsType = ExceptionHandling::DwarfCFI;
66 ExceptionsType = ExceptionHandling::ARM;
70 // foo(plt) instead of foo@plt
71 UseParensForSymbolVariant = true;
73 UseIntegratedAssembler = true;
76 void ARMELFMCAsmInfo::setUseIntegratedAssembler(bool Value) {
77 UseIntegratedAssembler = Value;
78 if (!UseIntegratedAssembler) {
79 // gas doesn't handle VFP register names in cfi directives,
80 // so don't use register names with external assembler.
81 // See https://sourceware.org/bugzilla/show_bug.cgi?id=16694
82 DwarfRegNumForCFI = true;
86 void ARMCOFFMCAsmInfoMicrosoft::anchor() { }
88 ARMCOFFMCAsmInfoMicrosoft::ARMCOFFMCAsmInfoMicrosoft() {
89 AlignmentIsInBytes = false;
91 PrivateGlobalPrefix = "$M";
94 void ARMCOFFMCAsmInfoGNU::anchor() { }
96 ARMCOFFMCAsmInfoGNU::ARMCOFFMCAsmInfoGNU() {
97 AlignmentIsInBytes = false;
98 HasSingleParameterDotFile = true;
101 Code16Directive = ".code\t16";
102 Code32Directive = ".code\t32";
103 PrivateGlobalPrefix = ".L";
105 SupportsDebugInformation = true;
106 ExceptionsType = ExceptionHandling::None;
107 UseParensForSymbolVariant = true;
109 UseIntegratedAssembler = false;
110 DwarfRegNumForCFI = true;