Major calling convention code refactoring.

[oota-llvm.git] / lib / Target / X86 / X86TargetAsmInfo.cpp

diff --git a/lib/Target/X86/X86TargetAsmInfo.cpp b/lib/Target/X86/X86TargetAsmInfo.cpp
index 277c3cbba7367b77c5d7fb785852f2e1b378feea..3a5772c19ef4ca425573934f817895d98323aa4e 100644 (file)
--- a/lib/Target/X86/X86TargetAsmInfo.cpp
+++ b/lib/Target/X86/X86TargetAsmInfo.cpp
@@ -51,10 +51,6 @@ X86DarwinTargetAsmInfo::X86DarwinTargetAsmInfo(const X86TargetMachine &TM):
     Data64bitsDirective = 0;       // we can't emit a 64-bit unit
   ZeroDirective = "\t.space\t";  // ".space N" emits N zeros.
   ZeroFillDirective = "\t.zerofill\t";  // Uses .zerofill
-  if (TM.getRelocationModel() != Reloc::Static)
-    ConstantPoolSection = "\t.const_data";
-  else
-    ConstantPoolSection = "\t.const\n";
   LCOMMDirective = "\t.lcomm\t";
 
   // Leopard and above support aligned common symbols.
@@ -78,7 +74,6 @@ X86DarwinTargetAsmInfo::X86DarwinTargetAsmInfo(const X86TargetMachine &TM):
   ProtectedDirective = "\t.globl\t";
 
   SupportsDebugInformation = true;
-  DwarfDebugInlineSection = ".section __DWARF,__debug_inlined,regular,debug";
   DwarfUsesInlineInfoSection = true;
 
   // Exceptions handling
@@ -86,36 +81,11 @@ X86DarwinTargetAsmInfo::X86DarwinTargetAsmInfo(const X86TargetMachine &TM):
   GlobalEHDirective = "\t.globl\t";
   SupportsWeakOmittedEHFrame = false;
   AbsoluteEHSectionOffsets = false;
-  DwarfEHFrameSection =
-  ".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support";
-  DwarfExceptionSection = ".section __DATA,__gcc_except_tab";
-}
-
-unsigned
-X86DarwinTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
-                                              bool Global) const {
-  if ((Reason == DwarfEncoding::Data || Reason == DwarfEncoding::Functions)
-      && Global)
-    return DW_EH_PE_pcrel | DW_EH_PE_indirect | DW_EH_PE_sdata4;
-
-  if (Reason == DwarfEncoding::CodeLabels || !Global)
-    return DW_EH_PE_pcrel;
-
-  return DW_EH_PE_absptr;
-}
-
-const char *
-X86DarwinTargetAsmInfo::getEHGlobalPrefix() const {
-  const X86Subtarget* Subtarget = &TM.getSubtarget<X86Subtarget>();
-  if (Subtarget->getDarwinVers() > 9)
-    return PrivateGlobalPrefix;
-  return "";
 }
 
 X86ELFTargetAsmInfo::X86ELFTargetAsmInfo(const X86TargetMachine &TM) :
-  X86TargetAsmInfo<ELFTargetAsmInfo>(TM) {
+  X86TargetAsmInfo<TargetAsmInfo>(TM) {
 
-  CStringSection = ".rodata.str";
   PrivateGlobalPrefix = ".L";
   WeakRefDirective = "\t.weak\t";
   SetDirective = "\t.set\t";
@@ -127,108 +97,16 @@ X86ELFTargetAsmInfo::X86ELFTargetAsmInfo(const X86TargetMachine &TM) :
   // Debug Information
   AbsoluteDebugSectionOffsets = true;
   SupportsDebugInformation = true;
-  DwarfAbbrevSection =  "\t.section\t.debug_abbrev,\"\",@progbits";
-  DwarfInfoSection =    "\t.section\t.debug_info,\"\",@progbits";
-  DwarfLineSection =    "\t.section\t.debug_line,\"\",@progbits";
-  DwarfFrameSection =   "\t.section\t.debug_frame,\"\",@progbits";
-  DwarfPubNamesSection ="\t.section\t.debug_pubnames,\"\",@progbits";
-  DwarfPubTypesSection ="\t.section\t.debug_pubtypes,\"\",@progbits";
-  DwarfStrSection =     "\t.section\t.debug_str,\"\",@progbits";
-  DwarfLocSection =     "\t.section\t.debug_loc,\"\",@progbits";
-  DwarfARangesSection = "\t.section\t.debug_aranges,\"\",@progbits";
-  DwarfRangesSection =  "\t.section\t.debug_ranges,\"\",@progbits";
-  DwarfMacroInfoSection = "\t.section\t.debug_macinfo,\"\",@progbits";
 
   // Exceptions handling
   SupportsExceptionHandling = true;
   AbsoluteEHSectionOffsets = false;
-  DwarfEHFrameSection = "\t.section\t.eh_frame,\"aw\",@progbits";
-  DwarfExceptionSection = "\t.section\t.gcc_except_table,\"a\",@progbits";
 
   // On Linux we must declare when we can use a non-executable stack.
   if (TM.getSubtarget<X86Subtarget>().isLinux())
     NonexecutableStackDirective = "\t.section\t.note.GNU-stack,\"\",@progbits";
 }
 
-unsigned
-X86ELFTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
-                                           bool Global) const {
-  CodeModel::Model CM = TM.getCodeModel();
-  bool is64Bit = TM.getSubtarget<X86Subtarget>().is64Bit();
-
-  if (TM.getRelocationModel() == Reloc::PIC_) {
-    unsigned Format = 0;
-
-    if (!is64Bit)
-      // 32 bit targets always encode pointers as 4 bytes
-      Format = DW_EH_PE_sdata4;
-    else {
-      // 64 bit targets encode pointers in 4 bytes iff:
-      // - code model is small OR
-      // - code model is medium and we're emitting externally visible symbols
-      //   or any code symbols
-      if (CM == CodeModel::Small ||
-          (CM == CodeModel::Medium && (Global ||
-                                       Reason != DwarfEncoding::Data)))
-        Format = DW_EH_PE_sdata4;
-      else
-        Format = DW_EH_PE_sdata8;
-    }
-
-    if (Global)
-      Format |= DW_EH_PE_indirect;
-
-    return (Format | DW_EH_PE_pcrel);
-  } else {
-    if (is64Bit &&
-        (CM == CodeModel::Small ||
-         (CM == CodeModel::Medium && Reason != DwarfEncoding::Data)))
-      return DW_EH_PE_udata4;
-    else
-      return DW_EH_PE_absptr;
-  }
-}
-
-
-unsigned
-X86COFFTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
-                                            bool Global) const {
-  CodeModel::Model CM = TM.getCodeModel();
-  bool is64Bit = TM.getSubtarget<X86Subtarget>().is64Bit();
-
-  if (TM.getRelocationModel() == Reloc::PIC_) {
-    unsigned Format = 0;
-
-    if (!is64Bit)
-      // 32 bit targets always encode pointers as 4 bytes
-      Format = DW_EH_PE_sdata4;
-    else {
-      // 64 bit targets encode pointers in 4 bytes iff:
-      // - code model is small OR
-      // - code model is medium and we're emitting externally visible symbols
-      //   or any code symbols
-      if (CM == CodeModel::Small ||
-          (CM == CodeModel::Medium && (Global ||
-                                       Reason != DwarfEncoding::Data)))
-        Format = DW_EH_PE_sdata4;
-      else
-        Format = DW_EH_PE_sdata8;
-    }
-
-    if (Global)
-      Format |= DW_EH_PE_indirect;
-
-    return (Format | DW_EH_PE_pcrel);
-  }
-  
-  if (is64Bit &&
-      (CM == CodeModel::Small ||
-       (CM == CodeModel::Medium && Reason != DwarfEncoding::Data)))
-    return DW_EH_PE_udata4;
-  return DW_EH_PE_absptr;
-}
-
-
 
 X86WinTargetAsmInfo::X86WinTargetAsmInfo(const X86TargetMachine &TM):
   X86TargetAsmInfo<TargetAsmInfo>(TM) {
@@ -253,11 +131,9 @@ X86WinTargetAsmInfo::X86WinTargetAsmInfo(const X86TargetMachine &TM):
 
   AlignmentIsInBytes = true;
 
-  JumpTableDataSection = NULL;
   SwitchToSectionDirective = "";
   TextSectionStartSuffix = "\tSEGMENT PARA 'CODE'";
   DataSectionStartSuffix = "\tSEGMENT PARA 'DATA'";
-  SectionEndDirectiveSuffix = "\tends\n";
 }
 
 // Instantiate default implementation.