1 files changed, 84 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Object/ObjectFile.cpp b/contrib/llvm/lib/Object/ObjectFile.cpp
new file mode 100644
index 0000000..0e626d6
--- /dev/null
+++ b/contrib/llvm/lib/Object/ObjectFile.cpp
@@ -0,0 +1,84 @@
+//===- ObjectFile.cpp - File format independent object 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 a file format independent ObjectFile class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/ADT/OwningPtr.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/system_error.h"
+
+using namespace llvm;
+using namespace object;
+
+void ObjectFile::anchor() { }
+
+ObjectFile::ObjectFile(unsigned int Type, MemoryBuffer *source)
+  : Binary(Type, source) {
+}
+
+error_code ObjectFile::getSymbolAlignment(DataRefImpl DRI,
+                                          uint32_t &Result) const {
+  Result = 0;
+  return object_error::success;
+}
+
+section_iterator ObjectFile::getRelocatedSection(DataRefImpl Sec) const {
+  return section_iterator(SectionRef(Sec, this));
+}
+
+ObjectFile *ObjectFile::createObjectFile(MemoryBuffer *Object) {
+  if (Object->getBufferSize() < 64) {
+    delete Object;
+    return 0;
+  }
+
+  sys::fs::file_magic Type = sys::fs::identify_magic(Object->getBuffer());
+  switch (Type) {
+  case sys::fs::file_magic::unknown:
+  case sys::fs::file_magic::bitcode:
+  case sys::fs::file_magic::archive:
+  case sys::fs::file_magic::macho_universal_binary:
+  case sys::fs::file_magic::windows_resource:
+    delete Object;
+    return 0;
+  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:
+    return createELFObjectFile(Object);
+  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:
+    return createMachOObjectFile(Object);
+  case sys::fs::file_magic::coff_object:
+  case sys::fs::file_magic::coff_import_library:
+  case sys::fs::file_magic::pecoff_executable:
+    return createCOFFObjectFile(Object);
+  }
+  llvm_unreachable("Unexpected Object File Type");
+}
+
+ObjectFile *ObjectFile::createObjectFile(StringRef ObjectPath) {
+  OwningPtr<MemoryBuffer> File;
+  if (MemoryBuffer::getFile(ObjectPath, File))
+    return NULL;
+  return createObjectFile(File.take());
+}