enhance codegen to put 16-bit character strings into the

[oota-llvm.git] / lib / Target / PowerPC / PPCTargetAsmInfo.cpp

diff --git a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
index 13999c668aa8b9541cb334f684db0a61c50cd323..26120175fb9c69cf63b9f8e2bc0a534f137c49ea 100644 (file)
--- a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
+++ b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
@@ -19,119 +19,28 @@
 using namespace llvm;
 using namespace llvm::dwarf;
 
-PPCDarwinTargetAsmInfo::PPCDarwinTargetAsmInfo(const PPCTargetMachine &TM):
+PPCDarwinTargetAsmInfo::PPCDarwinTargetAsmInfo(const PPCTargetMachine &TM) :
   PPCTargetAsmInfo<DarwinTargetAsmInfo>(TM) {
   PCSymbol = ".";
   CommentString = ";";
-  GlobalPrefix = "_";
-  PrivateGlobalPrefix = "L";
-  LessPrivateGlobalPrefix = "l";
-  StringConstantPrefix = "\1LC";
-  ConstantPoolSection = "\t.const\t";
-  JumpTableDataSection = ".const";
-  CStringSection = "\t.cstring";
-  if (TM.getRelocationModel() == Reloc::Static) {
-    StaticCtorsSection = ".constructor";
-    StaticDtorsSection = ".destructor";
-  } else {
-    StaticCtorsSection = ".mod_init_func";
-    StaticDtorsSection = ".mod_term_func";
-  }
-  HasSingleParameterDotFile = false;
-  SwitchToSectionDirective = "\t.section ";
   UsedDirective = "\t.no_dead_strip\t";
-  WeakDefDirective = "\t.weak_definition ";
-  WeakRefDirective = "\t.weak_reference ";
-  HiddenDirective = "\t.private_extern ";
   SupportsExceptionHandling = true;
-  NeedsIndirectEncoding = true;
-  AllowQuotesInName = true;
-  NeedsSet = true;
-  BSSSection = 0;
   
-  DwarfEHFrameSection =
-  ".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support";
-  DwarfExceptionSection = ".section __DATA,__gcc_except_tab";
   GlobalEHDirective = "\t.globl\t";
   SupportsWeakOmittedEHFrame = false;
-
-  DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
-  DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
-  DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
-  DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
-  DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
-  DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
-  DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";
-  DwarfLocSection = ".section __DWARF,__debug_loc,regular,debug";
-  DwarfARangesSection = ".section __DWARF,__debug_aranges,regular,debug";
-  DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
-  DwarfMacroInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
-  
-  // In non-PIC modes, emit a special label before jump tables so that the
-  // linker can perform more accurate dead code stripping.
-  // We do not check the relocation model here since it can be overridden
-  // later.
-  JumpTableSpecialLabelPrefix = "l";
-}
-
-/// PreferredEHDataFormat - This hook allows the target to select data
-/// format used for encoding pointers in exception handling data. Reason is
-/// 0 for data, 1 for code labels, 2 for function pointers. Global is true
-/// if the symbol can be relocated.
-unsigned
-PPCDarwinTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
-                                              bool Global) const {
-  if (Reason == DwarfEncoding::Functions && Global)
-    return (DW_EH_PE_pcrel | DW_EH_PE_indirect | DW_EH_PE_sdata4);
-  else if (Reason == DwarfEncoding::CodeLabels || !Global)
-    return DW_EH_PE_pcrel;
-  else
-    return DW_EH_PE_absptr;
-}
-
-const char *
-PPCDarwinTargetAsmInfo::getEHGlobalPrefix() const
-{
-  const PPCSubtarget* Subtarget = &TM.getSubtarget<PPCSubtarget>();
-  if (Subtarget->getDarwinVers() > 9)
-    return PrivateGlobalPrefix;
-  else
-    return "";
 }
 
 PPCLinuxTargetAsmInfo::PPCLinuxTargetAsmInfo(const PPCTargetMachine &TM) :
-  PPCTargetAsmInfo<ELFTargetAsmInfo>(TM) {
+  PPCTargetAsmInfo<TargetAsmInfo>(TM) {
   CommentString = "#";
   GlobalPrefix = "";
   PrivateGlobalPrefix = ".L";
-  ConstantPoolSection = "\t.section .rodata.cst4\t";
-  JumpTableDataSection = ".section .rodata.cst4";
-  CStringSection = ".rodata.str";
-  StaticCtorsSection = ".section\t.ctors,\"aw\",@progbits";
-  StaticDtorsSection = ".section\t.dtors,\"aw\",@progbits";
   UsedDirective = "\t# .no_dead_strip\t";
   WeakRefDirective = "\t.weak\t";
-  BSSSection = "\t.section\t\".sbss\",\"aw\",@nobits";
-
-  // PPC/Linux normally uses named section for BSS.
-  BSSSection_  = getNamedSection("\t.bss",
-                                 SectionFlags::Writeable | SectionFlags::BSS,
-                                 /* Override */ true);
 
   // 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";
 
   PCSymbol = ".";
 
@@ -142,20 +51,8 @@ PPCLinuxTargetAsmInfo::PPCLinuxTargetAsmInfo(const PPCTargetMachine &TM) :
   if (!TM.getSubtargetImpl()->isPPC64())
     SupportsExceptionHandling = true;
   AbsoluteEHSectionOffsets = false;
-  DwarfEHFrameSection = "\t.section\t.eh_frame,\"aw\",@progbits";
-  DwarfExceptionSection = "\t.section\t.gcc_except_table,\"a\",@progbits";
 }
 
-/// PreferredEHDataFormat - This hook allows the target to select data
-/// format used for encoding pointers in exception handling data. Reason is
-/// 0 for data, 1 for code labels, 2 for function pointers. Global is true
-/// if the symbol can be relocated.
-unsigned
-PPCLinuxTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
-                                             bool Global) const {
-  // We really need to write something here.
-  return TargetAsmInfo::PreferredEHDataFormat(Reason, Global);
-}
 
 // Instantiate default implementation.
 TEMPLATE_INSTANTIATION(class PPCTargetAsmInfo<TargetAsmInfo>);