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 2442a38366fa1e76f650bf8e5f52167ddd9e716e..26120175fb9c69cf63b9f8e2bc0a534f137c49ea 100644 (file)
--- a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
+++ b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
@@ -2,8 +2,8 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by James M. Laskey and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -14,76 +14,45 @@
 #include "PPCTargetAsmInfo.h"
 #include "PPCTargetMachine.h"
 #include "llvm/Function.h"
-using namespace llvm;
+#include "llvm/Support/Dwarf.h"
 
-PPCTargetAsmInfo::PPCTargetAsmInfo(const PPCTargetMachine &TM) {
-  bool isPPC64 = TM.getSubtargetImpl()->isPPC64();
-  
-  ZeroDirective = "\t.space\t";
-  SetDirective = "\t.set";
-  Data64bitsDirective = isPPC64 ? "\t.quad\t" : 0;  
-  AlignmentIsInBytes = false;
-  LCOMMDirective = "\t.lcomm\t";
-  InlineAsmStart = "# InlineAsm Start";
-  InlineAsmEnd = "# InlineAsm End";
-  AssemblerDialect = TM.getSubtargetImpl()->getAsmFlavor();
-  
-  NeedsSet = true;
-  AddressSize = isPPC64 ? 8 : 4;
-  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";
-  DwarfMacInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
-}
+using namespace llvm;
+using namespace llvm::dwarf;
 
-DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM)
-: PPCTargetAsmInfo(TM)
-{
+PPCDarwinTargetAsmInfo::PPCDarwinTargetAsmInfo(const PPCTargetMachine &TM) :
+  PPCTargetAsmInfo<DarwinTargetAsmInfo>(TM) {
+  PCSymbol = ".";
   CommentString = ";";
-  GlobalPrefix = "_";
-  PrivateGlobalPrefix = "L";
-  ConstantPoolSection = "\t.const\t";
-  JumpTableDataSection = ".const";
-  GlobalDirective = "\t.globl\t";
-  CStringSection = "\t.cstring";
-  if (TM.getRelocationModel() == Reloc::Static) {
-    StaticCtorsSection = ".constructor";
-    StaticDtorsSection = ".destructor";
-  } else {
-    StaticCtorsSection = ".mod_init_func";
-    StaticDtorsSection = ".mod_term_func";
-  }
   UsedDirective = "\t.no_dead_strip\t";
-  WeakRefDirective = "\t.weak_reference\t";
-  HiddenDirective = "\t.private_extern\t";
   SupportsExceptionHandling = true;
   
-  // In non-PIC modes, emit a special label before jump tables so that the
-  // linker can perform more accurate dead code stripping.
-  if (TM.getRelocationModel() != Reloc::PIC_) {
-    // Emit a local label that is preserved until the linker runs.
-    JumpTableSpecialLabelPrefix = "l";
-  }
+  GlobalEHDirective = "\t.globl\t";
+  SupportsWeakOmittedEHFrame = false;
 }
 
-LinuxTargetAsmInfo::LinuxTargetAsmInfo(const PPCTargetMachine &TM)
-: PPCTargetAsmInfo(TM)
-{
+PPCLinuxTargetAsmInfo::PPCLinuxTargetAsmInfo(const PPCTargetMachine &TM) :
+  PPCTargetAsmInfo<TargetAsmInfo>(TM) {
   CommentString = "#";
   GlobalPrefix = "";
-  PrivateGlobalPrefix = "";
-  ConstantPoolSection = "\t.section .rodata.cst4\t";
-  JumpTableDataSection = ".section .rodata.cst4";
-  CStringSection = "\t.section\t.rodata";
-  StaticCtorsSection = ".section\t.ctors,\"aw\",@progbits";
-  StaticDtorsSection = ".section\t.dtors,\"aw\",@progbits";
+  PrivateGlobalPrefix = ".L";
   UsedDirective = "\t# .no_dead_strip\t";
   WeakRefDirective = "\t.weak\t";
+
+  // Debug Information
+  AbsoluteDebugSectionOffsets = true;
+  SupportsDebugInformation = true;
+
+  PCSymbol = ".";
+
+  // Set up DWARF directives
+  HasLEB128 = true;  // Target asm supports leb128 directives (little-endian)
+
+  // Exceptions handling
+  if (!TM.getSubtargetImpl()->isPPC64())
+    SupportsExceptionHandling = true;
+  AbsoluteEHSectionOffsets = false;
 }
+
+
+// Instantiate default implementation.
+TEMPLATE_INSTANTIATION(class PPCTargetAsmInfo<TargetAsmInfo>);