src/llvm/lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp

   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   WeakRefDirective = "\t.weak\t";
  53
  54   HasLEB128 = true;
  55   SupportsDebugInformation = true;
  56
  57   // Exceptions handling
  58   if (EnableARMEHABI)
  59     ExceptionsType = ExceptionHandling::ARM;
  60 }