//===-- ARMMCAsmInfo.cpp - ARM asm properties -----------------------------===//

//

//                     The LLVM Compiler Infrastructure

//

// This file is distributed under the University of Illinois Open Source

// License. See LICENSE.TXT for details.

//

//===----------------------------------------------------------------------===//

//

// This file contains the declarations of the ARMMCAsmInfo properties.

//

//===----------------------------------------------------------------------===//

#include "ARMMCAsmInfo.h"

#include "llvm/ADT/Triple.h"

using namespace llvm_ks;

ARMMCAsmInfoDarwin::ARMMCAsmInfoDarwin(const Triple &TheTriple) {

  if ((TheTriple.getArch() == Triple::armeb) ||

      (TheTriple.getArch() == Triple::thumbeb))

    IsLittleEndian = false;

  Data64bitsDirective = nullptr;

  CommentString = "@";

  Code16Directive = ".code\t16";

  Code32Directive = ".code\t32";

  UseDataRegionDirectives = true;

  SupportsDebugInformation = true;

  // Exceptions handling

  ExceptionsType = (TheTriple.isOSDarwin() && !TheTriple.isWatchABI())

                       ? ExceptionHandling::SjLj

                       : ExceptionHandling::DwarfCFI;

  UseIntegratedAssembler = true;

}

ARMELFMCAsmInfo::ARMELFMCAsmInfo(const Triple &TheTriple) {

  if ((TheTriple.getArch() == Triple::armeb) ||

      (TheTriple.getArch() == Triple::thumbeb))

    IsLittleEndian = false;

  // ".comm align is in bytes but .align is pow-2."

  AlignmentIsInBytes = false;

  Data64bitsDirective = nullptr;

  CommentString = "@";

  Code16Directive = ".code\t16";

  Code32Directive = ".code\t32";

  SupportsDebugInformation = true;

  // Exceptions handling

  switch (TheTriple.getOS()) {

  case Triple::Bitrig:

  case Triple::NetBSD:

    ExceptionsType = ExceptionHandling::DwarfCFI;

    break;

  default:

    ExceptionsType = ExceptionHandling::ARM;

    break;

  }

  // foo(plt) instead of foo@plt

  UseParensForSymbolVariant = true;

  UseIntegratedAssembler = true;

}

void ARMELFMCAsmInfo::setUseIntegratedAssembler(bool Value) {

  UseIntegratedAssembler = Value;

  if (!UseIntegratedAssembler) {

    // gas doesn't handle VFP register names in cfi directives,

    // so don't use register names with external assembler.

    // See https://sourceware.org/bugzilla/show_bug.cgi?id=16694

    DwarfRegNumForCFI = true;

  }

}

ARMCOFFMCAsmInfoMicrosoft::ARMCOFFMCAsmInfoMicrosoft() {

  AlignmentIsInBytes = false;

  PrivateGlobalPrefix = "$M";

  PrivateLabelPrefix = "$M";

}

ARMCOFFMCAsmInfoGNU::ARMCOFFMCAsmInfoGNU() {

  AlignmentIsInBytes = false;

  HasSingleParameterDotFile = true;

  CommentString = "@";

  Code16Directive = ".code\t16";

  Code32Directive = ".code\t32";

  PrivateGlobalPrefix = ".L";

  PrivateLabelPrefix = ".L";

  SupportsDebugInformation = true;

  ExceptionsType = ExceptionHandling::None;

  UseParensForSymbolVariant = true;

  UseIntegratedAssembler = false;

  DwarfRegNumForCFI = true;

}