dwarfdump: First piece of support for DWP dumping

[oota-llvm.git] / tools / llvm-dwarfdump / llvm-dwarfdump.cpp

diff --git a/tools/llvm-dwarfdump/llvm-dwarfdump.cpp b/tools/llvm-dwarfdump/llvm-dwarfdump.cpp
index 0eb6e4f4304eb61f0681d527e9a51264a8b4159e..9ab2047c352206e1d4c8ada68b9249a6f284ff32 100644 (file)
--- a/tools/llvm-dwarfdump/llvm-dwarfdump.cpp
+++ b/tools/llvm-dwarfdump/llvm-dwarfdump.cpp
@@ -14,6 +14,8 @@
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/Triple.h"
 #include "llvm/DebugInfo/DIContext.h"
+#include "llvm/DebugInfo/DWARF/DWARFContext.h"
+#include "llvm/Object/MachOUniversal.h"
 #include "llvm/Object/ObjectFile.h"
 #include "llvm/Object/RelocVisitor.h"
 #include "llvm/Support/CommandLine.h"
@@ -21,7 +23,6 @@
 #include "llvm/Support/Format.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/MemoryObject.h"
 #include "llvm/Support/PrettyStackTrace.h"
 #include "llvm/Support/Signals.h"
 #include "llvm/Support/raw_ostream.h"
@@ -45,6 +46,10 @@ DumpType("debug-dump", cl::init(DIDT_All),
         clEnumValN(DIDT_All, "all", "Dump all debug sections"),
         clEnumValN(DIDT_Abbrev, "abbrev", ".debug_abbrev"),
         clEnumValN(DIDT_AbbrevDwo, "abbrev.dwo", ".debug_abbrev.dwo"),
+        clEnumValN(DIDT_AppleNames, "apple_names", ".apple_names"),
+        clEnumValN(DIDT_AppleTypes, "apple_types", ".apple_types"),
+        clEnumValN(DIDT_AppleNamespaces, "apple_namespaces", ".apple_namespaces"),
+        clEnumValN(DIDT_AppleObjC, "apple_objc", ".apple_objc"),
         clEnumValN(DIDT_Aranges, "aranges", ".debug_aranges"),
         clEnumValN(DIDT_Info, "info", ".debug_info"),
         clEnumValN(DIDT_InfoDwo, "info.dwo", ".debug_info.dwo"),
@@ -63,31 +68,46 @@ DumpType("debug-dump", cl::init(DIDT_All),
         clEnumValN(DIDT_Str, "str", ".debug_str"),
         clEnumValN(DIDT_StrDwo, "str.dwo", ".debug_str.dwo"),
         clEnumValN(DIDT_StrOffsetsDwo, "str_offsets.dwo", ".debug_str_offsets.dwo"),
+        clEnumValN(DIDT_CUIndex, "cu_index", ".debug_cu_index"),
         clEnumValEnd));
 
-static void DumpInput(const StringRef &Filename) {
-  std::unique_ptr<MemoryBuffer> Buff;
-
-  if (std::error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, Buff)) {
-    errs() << Filename << ": " << ec.message() << "\n";
-    return;
-  }
-
-  ErrorOr<ObjectFile *> ObjOrErr(ObjectFile::createObjectFile(Buff));
-  if (std::error_code EC = ObjOrErr.getError()) {
-    errs() << Filename << ": " << EC.message() << '\n';
+static void error(StringRef Filename, std::error_code EC) {
+  if (!EC)
     return;
-  }
-  std::unique_ptr<ObjectFile> Obj(ObjOrErr.get());
+  errs() << Filename << ": " << EC.message() << "\n";
+  exit(1);
+}
 
-  std::unique_ptr<DIContext> DICtx(DIContext::getDWARFContext(Obj.get()));
+static void DumpObjectFile(ObjectFile &Obj, Twine Filename) {
+  std::unique_ptr<DIContext> DICtx(new DWARFContextInMemory(Obj));
 
-  outs() << Filename
-         << ":\tfile format " << Obj->getFileFormatName() << "\n\n";
+  outs() << Filename.str() << ":\tfile format " << Obj.getFileFormatName()
+         << "\n\n";
   // Dump the complete DWARF structure.
   DICtx->dump(outs(), DumpType);
 }
 
+static void DumpInput(StringRef Filename) {
+  ErrorOr<std::unique_ptr<MemoryBuffer>> BuffOrErr =
+      MemoryBuffer::getFileOrSTDIN(Filename);
+  error(Filename, BuffOrErr.getError());
+  std::unique_ptr<MemoryBuffer> Buff = std::move(BuffOrErr.get());
+
+  ErrorOr<std::unique_ptr<Binary>> BinOrErr =
+      object::createBinary(Buff->getMemBufferRef());
+  error(Filename, BinOrErr.getError());
+
+  if (auto *Obj = dyn_cast<ObjectFile>(BinOrErr->get()))
+    DumpObjectFile(*Obj, Filename);
+  else if (auto *Fat = dyn_cast<MachOUniversalBinary>(BinOrErr->get()))
+    for (auto &ObjForArch : Fat->objects()) {
+      auto MachOOrErr = ObjForArch.getAsObjectFile();
+      error(Filename, MachOOrErr.getError());
+      DumpObjectFile(**MachOOrErr,
+                     Filename + " (" + ObjForArch.getArchTypeName() + ")");
+    }
+}
+
 int main(int argc, char **argv) {
   // Print a stack trace if we signal out.
   sys::PrintStackTraceOnErrorSignal();
@@ -102,5 +122,5 @@ int main(int argc, char **argv) {
 
   std::for_each(InputFilenames.begin(), InputFilenames.end(), DumpInput);
 
-  return 0;
+  return EXIT_SUCCESS;
 }