Merge commit '1ad9253c9d34ccbce3e7e4ea5d87c266cbf93410'

deplib features commented out due to removal upstream;
will add back as a localmod

Conflicts:
	include/llvm/ADT/Triple.h
	include/llvm/MC/MCAssembler.h
	include/llvm/Target/TargetFrameLowering.h
	lib/CodeGen/AsmPrinter/DwarfDebug.cpp
	lib/CodeGen/AsmPrinter/DwarfDebug.h
	lib/CodeGen/BranchFolding.cpp
	lib/LLVMBuild.txt
	lib/Linker/LinkArchives.cpp
	lib/MC/MCAssembler.cpp
	lib/MC/MCELFStreamer.cpp
	lib/Makefile
	lib/Target/ARM/ARMExpandPseudoInsts.cpp
	lib/Target/ARM/ARMFrameLowering.cpp
	lib/Target/ARM/ARMISelLowering.cpp
	lib/Target/ARM/ARMSubtarget.h
	lib/Target/ARM/ARMTargetObjectFile.cpp
	lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
	lib/Target/Mips/MipsInstrFPU.td
	lib/Target/Mips/MipsInstrInfo.td
	lib/Target/X86/X86CodeEmitter.cpp
	lib/Target/X86/X86Subtarget.h
	lib/VMCore/Module.cpp
	test/MC/MachO/ARM/nop-armv4-padding.s
	tools/Makefile
	tools/llc/llc.cpp
	tools/lto/LTOModule.cpp
	tools/lto/lto.cpp

1 files changed, 30 insertions, 7 deletions

diff --git a/tools/llvm-objdump/llvm-objdump.cpp b/tools/llvm-objdump/llvm-objdump.cpp
index ddfcca3938..2838a2a2b3 100644
--- a/tools/llvm-objdump/llvm-objdump.cpp
+++ b/tools/llvm-objdump/llvm-objdump.cpp
@@ -15,13 +15,10 @@
 
 #include "llvm-objdump.h"
 #include "MCFunction.h"
-#include "llvm/Object/Archive.h"
-#include "llvm/Object/COFF.h"
-#include "llvm/Object/ObjectFile.h"
 #include "llvm/ADT/OwningPtr.h"
+#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/Triple.h"
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCDisassembler.h"
 #include "llvm/MC/MCInst.h"
@@ -29,6 +26,9 @@
 #include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/Object/Archive.h"
+#include "llvm/Object/COFF.h"
+#include "llvm/Object/ObjectFile.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
@@ -104,9 +104,16 @@ static cl::opt<bool>
 NoShowRawInsn("no-show-raw-insn", cl::desc("When disassembling instructions, "
                                            "do not print the instruction bytes."));
 
+static cl::opt<bool>
+UnwindInfo("unwind-info", cl::desc("Display unwind information"));
+
+static cl::alias
+UnwindInfoShort("u", cl::desc("Alias for --unwind-info"),
+                cl::aliasopt(UnwindInfo));
+
 static StringRef ToolName;
 
-static bool error(error_code ec) {
+bool llvm::error(error_code ec) {
   if (!ec) return false;
 
   outs() << ToolName << ": error reading file: " << ec.message() << ".\n";
@@ -165,7 +172,7 @@ void llvm::DumpBytes(StringRef bytes) {
   outs() << output;
 }
 
-static bool RelocAddressLess(RelocationRef a, RelocationRef b) {
+bool llvm::RelocAddressLess(RelocationRef a, RelocationRef b) {
   uint64_t a_addr, b_addr;
   if (error(a.getAddress(a_addr))) return false;
   if (error(b.getAddress(b_addr))) return false;
@@ -573,6 +580,19 @@ static void PrintSymbolTable(const ObjectFile *o) {
   }
 }
 
+static void PrintUnwindInfo(const ObjectFile *o) {
+  outs() << "Unwind info:\n\n";
+
+  if (const COFFObjectFile *coff = dyn_cast<COFFObjectFile>(o)) {
+    printCOFFUnwindInfo(coff);
+  } else {
+    // TODO: Extract DWARF dump tool to objdump.
+    errs() << "This operation is only currently supported "
+              "for COFF object files.\n";
+    return;
+  }
+}
+
 static void DumpObject(const ObjectFile *o) {
   outs() << '\n';
   outs() << o->getFileName()
@@ -588,6 +608,8 @@ static void DumpObject(const ObjectFile *o) {
     PrintSectionContents(o);
   if (SymbolTable)
     PrintSymbolTable(o);
+  if (UnwindInfo)
+    PrintUnwindInfo(o);
 }
 
 /// @brief Dump each object file in \a a;
@@ -666,7 +688,8 @@ int main(int argc, char **argv) {
       && !Relocations
       && !SectionHeaders
       && !SectionContents
-      && !SymbolTable) {
+      && !SymbolTable
+      && !UnwindInfo) {
     cl::PrintHelpMessage();
     return 2;
   }