1 files changed, 118 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Object/Binary.cpp b/contrib/llvm/lib/Object/Binary.cpp
new file mode 100644
index 000000000000..de57b4c9a742
--- /dev/null
+++ b/contrib/llvm/lib/Object/Binary.cpp
@@ -0,0 +1,118 @@
+//===- Binary.cpp - A generic binary file -----------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the Binary class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/Binary.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
+
+// Include headers for createBinary.
+#include "llvm/Object/Archive.h"
+#include "llvm/Object/COFF.h"
+#include "llvm/Object/MachOUniversal.h"
+#include "llvm/Object/ObjectFile.h"
+
+using namespace llvm;
+using namespace object;
+
+Binary::~Binary() {
+  delete Data;
+}
+
+Binary::Binary(unsigned int Type, MemoryBuffer *Source)
+  : TypeID(Type)
+  , Data(Source) {}
+
+StringRef Binary::getData() const {
+  return Data->getBuffer();
+}
+
+StringRef Binary::getFileName() const {
+  return Data->getBufferIdentifier();
+}
+
+error_code object::createBinary(MemoryBuffer *Source,
+                                OwningPtr<Binary> &Result) {
+  OwningPtr<MemoryBuffer> scopedSource(Source);
+  if (!Source)
+    return make_error_code(errc::invalid_argument);
+  sys::fs::file_magic type = sys::fs::identify_magic(Source->getBuffer());
+  error_code ec;
+  switch (type) {
+    case sys::fs::file_magic::archive: {
+      OwningPtr<Binary> ret(new Archive(scopedSource.take(), ec));
+      if (ec) return ec;
+      Result.swap(ret);
+      return object_error::success;
+    }
+    case sys::fs::file_magic::elf_relocatable:
+    case sys::fs::file_magic::elf_executable:
+    case sys::fs::file_magic::elf_shared_object:
+    case sys::fs::file_magic::elf_core: {
+      OwningPtr<Binary> ret(
+        ObjectFile::createELFObjectFile(scopedSource.take()));
+      if (!ret)
+        return object_error::invalid_file_type;
+      Result.swap(ret);
+      return object_error::success;
+    }
+    case sys::fs::file_magic::macho_object:
+    case sys::fs::file_magic::macho_executable:
+    case sys::fs::file_magic::macho_fixed_virtual_memory_shared_lib:
+    case sys::fs::file_magic::macho_core:
+    case sys::fs::file_magic::macho_preload_executable:
+    case sys::fs::file_magic::macho_dynamically_linked_shared_lib:
+    case sys::fs::file_magic::macho_dynamic_linker:
+    case sys::fs::file_magic::macho_bundle:
+    case sys::fs::file_magic::macho_dynamically_linked_shared_lib_stub:
+    case sys::fs::file_magic::macho_dsym_companion: {
+      OwningPtr<Binary> ret(
+        ObjectFile::createMachOObjectFile(scopedSource.take()));
+      if (!ret)
+        return object_error::invalid_file_type;
+      Result.swap(ret);
+      return object_error::success;
+    }
+    case sys::fs::file_magic::macho_universal_binary: {
+      OwningPtr<Binary> ret(new MachOUniversalBinary(scopedSource.take(), ec));
+      if (ec) return ec;
+      Result.swap(ret);
+      return object_error::success;
+    }
+    case sys::fs::file_magic::coff_object:
+    case sys::fs::file_magic::coff_import_library:
+    case sys::fs::file_magic::pecoff_executable: {
+      OwningPtr<Binary> ret(
+          ObjectFile::createCOFFObjectFile(scopedSource.take()));
+      if (!ret)
+        return object_error::invalid_file_type;
+      Result.swap(ret);
+      return object_error::success;
+    }
+    case sys::fs::file_magic::unknown:
+    case sys::fs::file_magic::bitcode:
+    case sys::fs::file_magic::windows_resource: {
+      // Unrecognized object file format.
+      return object_error::invalid_file_type;
+    }
+  }
+  llvm_unreachable("Unexpected Binary File Type");
+}
+
+error_code object::createBinary(StringRef Path, OwningPtr<Binary> &Result) {
+  OwningPtr<MemoryBuffer> File;
+  if (error_code ec = MemoryBuffer::getFileOrSTDIN(Path, File))
+    return ec;
+  return createBinary(File.take(), Result);
+}