X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FObject%2FObjectFile.cpp;h=058bc3436a615d65f9a9a6164514106bd7e1a73e;hb=f4ec8bfaecef4e38f713b9e05d89869b023e1ce8;hp=c64af84346bb60216060b9f4e1685cd1f8473292;hpb=f12745f7a7e68c05c89ebd515b9b4faedce37dd0;p=oota-llvm.git

diff --git a/lib/Object/ObjectFile.cpp b/lib/Object/ObjectFile.cpp
index c64af84346b..058bc3436a6 100644
--- a/lib/Object/ObjectFile.cpp
+++ b/lib/Object/ObjectFile.cpp
@@ -14,8 +14,9 @@
 #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/Path.h"
+#include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/system_error.h"
 
 using namespace llvm;
@@ -23,8 +24,17 @@ using namespace object;
 
 void ObjectFile::anchor() { }
 
-ObjectFile::ObjectFile(unsigned int Type, MemoryBuffer *source)
-  : Binary(Type, source) {
+ObjectFile::ObjectFile(unsigned int Type, MemoryBuffer *Source,
+                       bool BufferOwned)
+    : SymbolicFile(Type, Source, BufferOwned) {}
+
+error_code ObjectFile::printSymbolName(raw_ostream &OS,
+                                       DataRefImpl Symb) const {
+  StringRef Name;
+  if (error_code EC = getSymbolName(Symb, Name))
+    return EC;
+  OS << Name;
+  return object_error::success;
 }
 
 error_code ObjectFile::getSymbolAlignment(DataRefImpl DRI,
@@ -37,39 +47,48 @@ section_iterator ObjectFile::getRelocatedSection(DataRefImpl Sec) const {
   return section_iterator(SectionRef(Sec, this));
 }
 
-ObjectFile *ObjectFile::createObjectFile(MemoryBuffer *Object) {
-  if (!Object || Object->getBufferSize() < 64)
-    return 0;
-  sys::LLVMFileType type = sys::identifyFileType(Object->getBuffer());
-  switch (type) {
-    case sys::Unknown_FileType:
-      return 0;
-    case sys::ELF_Relocatable_FileType:
-    case sys::ELF_Executable_FileType:
-    case sys::ELF_SharedObject_FileType:
-    case sys::ELF_Core_FileType:
-      return createELFObjectFile(Object);
-    case sys::Mach_O_Object_FileType:
-    case sys::Mach_O_Executable_FileType:
-    case sys::Mach_O_FixedVirtualMemorySharedLib_FileType:
-    case sys::Mach_O_Core_FileType:
-    case sys::Mach_O_PreloadExecutable_FileType:
-    case sys::Mach_O_DynamicallyLinkedSharedLib_FileType:
-    case sys::Mach_O_DynamicLinker_FileType:
-    case sys::Mach_O_Bundle_FileType:
-    case sys::Mach_O_DynamicallyLinkedSharedLibStub_FileType:
-    case sys::Mach_O_DSYMCompanion_FileType:
-      return createMachOObjectFile(Object);
-    case sys::COFF_FileType:
-      return createCOFFObjectFile(Object);
-    default:
-      llvm_unreachable("Unexpected Object File Type");
+ErrorOr<ObjectFile *> ObjectFile::createObjectFile(MemoryBuffer *Object,
+                                                   bool BufferOwned,
+                                                   sys::fs::file_magic Type) {
+  if (Type == sys::fs::file_magic::unknown)
+    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:
+    if (BufferOwned)
+      delete Object;
+    return object_error::invalid_file_type;
+  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, BufferOwned);
+  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, BufferOwned);
+  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, BufferOwned);
   }
+  llvm_unreachable("Unexpected Object File Type");
 }
 
-ObjectFile *ObjectFile::createObjectFile(StringRef ObjectPath) {
+ErrorOr<ObjectFile *> ObjectFile::createObjectFile(StringRef ObjectPath) {
   OwningPtr<MemoryBuffer> File;
-  if (MemoryBuffer::getFile(ObjectPath, File))
-    return NULL;
-  return createObjectFile(File.take());
+  if (error_code EC = MemoryBuffer::getFile(ObjectPath, File))
+    return EC;
+  return createObjectFile(File.release());
 }