Remove system_error.h.

[oota-llvm.git] / lib / Object / ObjectFile.cpp

diff --git a/lib/Object/ObjectFile.cpp b/lib/Object/ObjectFile.cpp
index b5f666f27fa068328c027ff68c4afe53dc7c0609..0be972e26b7eaf7a780b5d97a58b1ca1b87749f1 100644 (file)
--- a/lib/Object/ObjectFile.cpp
+++ b/lib/Object/ObjectFile.cpp
@@ -12,19 +12,28 @@
 //===----------------------------------------------------------------------===//
 
 #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"
+#include "llvm/Support/raw_ostream.h"
+#include <system_error>
 
 using namespace llvm;
 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,
@@ -37,19 +46,26 @@ 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;
+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());
 
-  sys::fs::file_magic Type = sys::fs::identify_magic(Object->getBuffer());
   switch (Type) {
   case sys::fs::file_magic::unknown:
-    return 0;
+  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);
+    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:
@@ -60,17 +76,18 @@ ObjectFile *ObjectFile::createObjectFile(MemoryBuffer *Object) {
   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);
+    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);
+    return createCOFFObjectFile(Object, BufferOwned);
   }
   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());
+ErrorOr<ObjectFile *> ObjectFile::createObjectFile(StringRef ObjectPath) {
+  std::unique_ptr<MemoryBuffer> File;
+  if (error_code EC = MemoryBuffer::getFile(ObjectPath, File))
+    return EC;
+  return createObjectFile(File.release());
 }