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diff --git a/contrib/llvm/lib/Target/PIC16/PIC16TargetObjectFile.cpp b/contrib/llvm/lib/Target/PIC16/PIC16TargetObjectFile.cpp
new file mode 100644
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--- /dev/null
+++ b/contrib/llvm/lib/Target/PIC16/PIC16TargetObjectFile.cpp
@@ -0,0 +1,384 @@
+//===-- PIC16TargetObjectFile.cpp - PIC16 object files --------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "PIC16TargetObjectFile.h"
+#include "PIC16TargetMachine.h"
+#include "PIC16Section.h"
+#include "llvm/DerivedTypes.h"
+#include "llvm/Module.h"
+#include "llvm/MC/MCSection.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/Support/raw_ostream.h"
+using namespace llvm;
+
+
+PIC16TargetObjectFile::PIC16TargetObjectFile() {
+}
+
+PIC16TargetObjectFile::~PIC16TargetObjectFile() {
+}
+
+/// Find a pic16 section. Return null if not found. Do not create one.
+PIC16Section *PIC16TargetObjectFile::
+findPIC16Section(const std::string &Name) const {
+  /// Return if we have an already existing one.
+  PIC16Section *Entry = SectionsByName[Name];
+  if (Entry)
+    return Entry;
+
+  return NULL;
+}
+
+
+/// Find a pic16 section. If not found, create one.
+PIC16Section *PIC16TargetObjectFile::
+getPIC16Section(const std::string &Name, PIC16SectionType Ty, 
+                const std::string &Address, int Color) const {
+
+  /// Return if we have an already existing one.
+  PIC16Section *&Entry = SectionsByName[Name];
+  if (Entry)
+    return Entry;
+
+
+  Entry = PIC16Section::Create(Name, Ty, Address, Color, getContext());
+  return Entry;
+}
+
+/// Find a standard pic16 data section. If not found, create one and keep
+/// track of it by adding it to appropriate std section list.
+PIC16Section *PIC16TargetObjectFile::
+getPIC16DataSection(const std::string &Name, PIC16SectionType Ty, 
+                    const std::string &Address, int Color) const {
+
+  /// Return if we have an already existing one.
+  PIC16Section *&Entry = SectionsByName[Name];
+  if (Entry)
+    return Entry;
+
+
+  /// Else create a new one and add it to appropriate section list.
+  Entry = PIC16Section::Create(Name, Ty, Address, Color, getContext());
+
+  switch (Ty) {
+  default: llvm_unreachable ("unknow standard section type.");
+  case UDATA: UDATASections_.push_back(Entry); break;
+  case IDATA: IDATASections_.push_back(Entry); break;
+  case ROMDATA: ROMDATASection_ = Entry; break;
+  case UDATA_SHR: SHAREDUDATASection_ = Entry; break;
+  }
+
+  return Entry;
+}
+    
+
+/// Find a standard pic16 autos section. If not found, create one and keep
+/// track of it by adding it to appropriate std section list.
+PIC16Section *PIC16TargetObjectFile::
+getPIC16AutoSection(const std::string &Name, PIC16SectionType Ty, 
+                    const std::string &Address, int Color) const {
+
+  /// Return if we have an already existing one.
+  PIC16Section *&Entry = SectionsByName[Name];
+  if (Entry)
+    return Entry;
+
+
+  /// Else create a new one and add it to appropriate section list.
+  Entry = PIC16Section::Create(Name, Ty, Address, Color, getContext());
+
+  assert (Ty == UDATA_OVR && "incorrect section type for autos");
+  AUTOSections_.push_back(Entry);
+
+  return Entry;
+}
+    
+/// Find a pic16 user section. If not found, create one and keep
+/// track of it by adding it to appropriate std section list.
+PIC16Section *PIC16TargetObjectFile::
+getPIC16UserSection(const std::string &Name, PIC16SectionType Ty, 
+                    const std::string &Address, int Color) const {
+
+  /// Return if we have an already existing one.
+  PIC16Section *&Entry = SectionsByName[Name];
+  if (Entry)
+    return Entry;
+
+
+  /// Else create a new one and add it to appropriate section list.
+  Entry = PIC16Section::Create(Name, Ty, Address, Color, getContext());
+
+  USERSections_.push_back(Entry);
+
+  return Entry;
+}
+
+/// Do some standard initialization.
+void PIC16TargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &tm){
+  TargetLoweringObjectFile::Initialize(Ctx, tm);
+  TM = &tm;
+  
+  ROMDATASection_ = NULL;
+  SHAREDUDATASection_ = NULL;
+}
+
+/// allocateUDATA - Allocate a un-initialized global to an existing or new UDATA
+/// section and return that section.
+const MCSection *
+PIC16TargetObjectFile::allocateUDATA(const GlobalVariable *GV) const {
+  assert(GV->hasInitializer() && "This global doesn't need space");
+  const Constant *C = GV->getInitializer();
+  assert(C->isNullValue() && "Unitialized globals has non-zero initializer");
+
+  // Find how much space this global needs.
+  const TargetData *TD = TM->getTargetData();
+  const Type *Ty = C->getType(); 
+  unsigned ValSize = TD->getTypeAllocSize(Ty);
+ 
+  // Go through all UDATA Sections and assign this variable
+  // to the first available section having enough space.
+  PIC16Section *Found = NULL;
+  for (unsigned i = 0; i < UDATASections_.size(); i++) {
+    if (DataBankSize - UDATASections_[i]->getSize() >= ValSize) {
+      Found = UDATASections_[i];
+      break;
+    }
+  }
+
+  // No UDATA section spacious enough was found. Crate a new one.
+  if (!Found) {
+    std::string name = PAN::getUdataSectionName(UDATASections_.size());
+    Found = getPIC16DataSection(name.c_str(), UDATA);
+  }
+  
+  // Insert the GV into this UDATA section.
+  Found->Items.push_back(GV);
+  Found->setSize(Found->getSize() + ValSize);
+  return Found;
+} 
+
+/// allocateIDATA - allocate an initialized global into an existing
+/// or new section and return that section.
+const MCSection *
+PIC16TargetObjectFile::allocateIDATA(const GlobalVariable *GV) const{
+  assert(GV->hasInitializer() && "This global doesn't need space");
+  const Constant *C = GV->getInitializer();
+  assert(!C->isNullValue() && "initialized globals has zero initializer");
+  assert(GV->getType()->getAddressSpace() == PIC16ISD::RAM_SPACE &&
+         "can allocate initialized RAM data only");
+
+  // Find how much space this global needs.
+  const TargetData *TD = TM->getTargetData();
+  const Type *Ty = C->getType(); 
+  unsigned ValSize = TD->getTypeAllocSize(Ty);
+ 
+  // Go through all IDATA Sections and assign this variable
+  // to the first available section having enough space.
+  PIC16Section *Found = NULL;
+  for (unsigned i = 0; i < IDATASections_.size(); i++) {
+    if (DataBankSize - IDATASections_[i]->getSize() >= ValSize) {
+      Found = IDATASections_[i]; 
+      break;
+    }
+  }
+
+  // No IDATA section spacious enough was found. Crate a new one.
+  if (!Found) {
+    std::string name = PAN::getIdataSectionName(IDATASections_.size());
+    Found = getPIC16DataSection(name.c_str(), IDATA);
+  }
+  
+  // Insert the GV into this IDATA.
+  Found->Items.push_back(GV);
+  Found->setSize(Found->getSize() + ValSize);
+  return Found;
+} 
+
+// Allocate a program memory variable into ROMDATA section.
+const MCSection *
+PIC16TargetObjectFile::allocateROMDATA(const GlobalVariable *GV) const {
+
+  std::string name = PAN::getRomdataSectionName();
+  PIC16Section *S = getPIC16DataSection(name.c_str(), ROMDATA);
+
+  S->Items.push_back(GV);
+  return S;
+}
+
+// Get the section for an automatic variable of a function.
+// For PIC16 they are globals only with mangled names.
+const MCSection *
+PIC16TargetObjectFile::allocateAUTO(const GlobalVariable *GV) const {
+
+  const std::string name = PAN::getSectionNameForSym(GV->getName());
+  PIC16Section *S = getPIC16AutoSection(name.c_str());
+
+  S->Items.push_back(GV);
+  return S;
+}
+
+
+// Override default implementation to put the true globals into
+// multiple data sections if required.
+const MCSection *
+PIC16TargetObjectFile::SelectSectionForGlobal(const GlobalValue *GV1,
+                                              SectionKind Kind,
+                                              Mangler *Mang,
+                                              const TargetMachine &TM) const {
+  // We select the section based on the initializer here, so it really
+  // has to be a GlobalVariable.
+  const GlobalVariable *GV = dyn_cast<GlobalVariable>(GV1); 
+  if (!GV)
+    return TargetLoweringObjectFile::SelectSectionForGlobal(GV1, Kind, Mang,TM);
+
+  assert(GV->hasInitializer() && "A def without initializer?");
+
+  // First, if this is an automatic variable for a function, get the section
+  // name for it and return.
+  std::string name = GV->getName();
+  if (PAN::isLocalName(name))
+    return allocateAUTO(GV);
+
+  // See if this is an uninitialized global.
+  const Constant *C = GV->getInitializer();
+  if (C->isNullValue()) 
+    return allocateUDATA(GV);
+
+  // If this is initialized data in RAM. Put it in the correct IDATA section.
+  if (GV->getType()->getAddressSpace() == PIC16ISD::RAM_SPACE) 
+    return allocateIDATA(GV);
+
+  // This is initialized data in rom, put it in the readonly section.
+  if (GV->getType()->getAddressSpace() == PIC16ISD::ROM_SPACE) 
+    return allocateROMDATA(GV);
+
+  // Else let the default implementation take care of it.
+  return TargetLoweringObjectFile::SelectSectionForGlobal(GV, Kind, Mang,TM);
+}
+
+
+
+
+/// getExplicitSectionGlobal - Allow the target to completely override
+/// section assignment of a global.
+const MCSection *PIC16TargetObjectFile::
+getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind, 
+                         Mangler *Mang, const TargetMachine &TM) const {
+  assert(GV->hasSection());
+  
+  if (const GlobalVariable *GVar = cast<GlobalVariable>(GV)) {
+    std::string SectName = GVar->getSection();
+    // If address for a variable is specified, get the address and create
+    // section.
+    // FIXME: move this attribute checking in PAN.
+    std::string AddrStr = "Address=";
+    if (SectName.compare(0, AddrStr.length(), AddrStr) == 0) {
+      std::string SectAddr = SectName.substr(AddrStr.length());
+      if (SectAddr.compare("NEAR") == 0)
+        return allocateSHARED(GVar, Mang);
+      else
+        return allocateAtGivenAddress(GVar, SectAddr);
+    }
+     
+    // Create the section specified with section attribute. 
+    return allocateInGivenSection(GVar);
+  }
+
+  return getPIC16DataSection(GV->getSection().c_str(), UDATA);
+}
+
+const MCSection *
+PIC16TargetObjectFile::allocateSHARED(const GlobalVariable *GV,
+                                      Mangler *Mang) const {
+  // Make sure that this is an uninitialized global.
+  assert(GV->hasInitializer() && "This global doesn't need space");
+  if (!GV->getInitializer()->isNullValue()) {
+    // FIXME: Generate a warning in this case that near qualifier will be 
+    // ignored.
+    return SelectSectionForGlobal(GV, SectionKind::getDataRel(), Mang, *TM); 
+  } 
+  std::string Name = PAN::getSharedUDataSectionName(); 
+
+  PIC16Section *SharedUDataSect = getPIC16DataSection(Name.c_str(), UDATA_SHR); 
+  // Insert the GV into shared section.
+  SharedUDataSect->Items.push_back(GV);
+  return SharedUDataSect;
+}
+
+
+// Interface used by AsmPrinter to get a code section for a function.
+const PIC16Section *
+PIC16TargetObjectFile::SectionForCode(const std::string &FnName,
+                                      bool isISR) const {
+  const std::string &sec_name = PAN::getCodeSectionName(FnName);
+  // If it is ISR, its code section starts at a specific address.
+  if (isISR)
+    return getPIC16Section(sec_name, CODE, PAN::getISRAddr());
+  return getPIC16Section(sec_name, CODE);
+}
+
+// Interface used by AsmPrinter to get a frame section for a function.
+const PIC16Section *
+PIC16TargetObjectFile::SectionForFrame(const std::string &FnName) const {
+  const std::string &sec_name = PAN::getFrameSectionName(FnName);
+  return getPIC16Section(sec_name, UDATA_OVR);
+}
+
+// Allocate a global var in existing or new section of given name.
+const MCSection *
+PIC16TargetObjectFile::allocateInGivenSection(const GlobalVariable *GV) const {
+  // Determine the type of section that we need to create.
+  PIC16SectionType SecTy;
+
+  // See if this is an uninitialized global.
+  const Constant *C = GV->getInitializer();
+  if (C->isNullValue())
+    SecTy = UDATA;
+  // If this is initialized data in RAM. Put it in the correct IDATA section.
+  else if (GV->getType()->getAddressSpace() == PIC16ISD::RAM_SPACE)
+    SecTy = IDATA;
+  // This is initialized data in rom, put it in the readonly section.
+  else if (GV->getType()->getAddressSpace() == PIC16ISD::ROM_SPACE) 
+    SecTy = ROMDATA;
+  else
+    llvm_unreachable ("Could not determine section type for global");
+
+  PIC16Section *S = getPIC16UserSection(GV->getSection().c_str(), SecTy);
+  S->Items.push_back(GV);
+  return S;
+}
+
+// Allocate a global var in a new absolute sections at given address.
+const MCSection *
+PIC16TargetObjectFile::allocateAtGivenAddress(const GlobalVariable *GV,
+                                               const std::string &Addr) const {
+  // Determine the type of section that we need to create.
+  PIC16SectionType SecTy;
+
+  // See if this is an uninitialized global.
+  const Constant *C = GV->getInitializer();
+  if (C->isNullValue())
+    SecTy = UDATA;
+  // If this is initialized data in RAM. Put it in the correct IDATA section.
+  else if (GV->getType()->getAddressSpace() == PIC16ISD::RAM_SPACE)
+    SecTy = IDATA;
+  // This is initialized data in rom, put it in the readonly section.
+  else if (GV->getType()->getAddressSpace() == PIC16ISD::ROM_SPACE) 
+    SecTy = ROMDATA;
+  else
+    llvm_unreachable ("Could not determine section type for global");
+
+  std::string Prefix = GV->getNameStr() + "." + Addr + ".";
+  std::string SName = PAN::getUserSectionName(Prefix);
+  PIC16Section *S = getPIC16UserSection(SName.c_str(), SecTy, Addr.c_str());
+  S->Items.push_back(GV);
+  return S;
+}
+
+