//
//===----------------------------------------------------------------------===//
+#include "llvm/Object/COFF.h"
+#include "llvm/Object/MachO.h"
#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/raw_ostream.h"
-#include "llvm/Support/system_error.h"
+#include <system_error>
using namespace llvm;
using namespace object;
void ObjectFile::anchor() { }
-ObjectFile::ObjectFile(unsigned int Type, MemoryBuffer *Source,
- bool BufferOwned)
- : SymbolicFile(Type, Source, BufferOwned) {}
+ObjectFile::ObjectFile(unsigned int Type, MemoryBufferRef Source)
+ : SymbolicFile(Type, Source) {}
-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;
+bool SectionRef::containsSymbol(SymbolRef S) const {
+ ErrorOr<section_iterator> SymSec = S.getSection();
+ if (!SymSec)
+ return false;
+ return *this == **SymSec;
+}
+
+uint64_t ObjectFile::getSymbolValue(DataRefImpl Ref) const {
+ uint32_t Flags = getSymbolFlags(Ref);
+ if (Flags & SymbolRef::SF_Undefined)
+ return 0;
+ if (Flags & SymbolRef::SF_Common)
+ return getCommonSymbolSize(Ref);
+ return getSymbolValueImpl(Ref);
}
-error_code ObjectFile::getSymbolAlignment(DataRefImpl DRI,
- uint32_t &Result) const {
- Result = 0;
- return object_error::success;
+std::error_code ObjectFile::printSymbolName(raw_ostream &OS,
+ DataRefImpl Symb) const {
+ ErrorOr<StringRef> Name = getSymbolName(Symb);
+ if (std::error_code EC = Name.getError())
+ return EC;
+ OS << *Name;
+ return std::error_code();
}
+uint32_t ObjectFile::getSymbolAlignment(DataRefImpl DRI) const { return 0; }
+
section_iterator ObjectFile::getRelocatedSection(DataRefImpl Sec) const {
return section_iterator(SectionRef(Sec, this));
}
-ErrorOr<ObjectFile *> ObjectFile::createObjectFile(MemoryBuffer *Object,
- bool BufferOwned,
- sys::fs::file_magic Type) {
+ErrorOr<std::unique_ptr<ObjectFile>>
+ObjectFile::createObjectFile(MemoryBufferRef Object, sys::fs::file_magic Type) {
+ StringRef Data = Object.getBuffer();
if (Type == sys::fs::file_magic::unknown)
- Type = sys::fs::identify_magic(Object->getBuffer());
+ Type = sys::fs::identify_magic(Data);
switch (Type) {
case sys::fs::file_magic::unknown:
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:
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);
+ 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_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::macho_kext_bundle:
+ 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, BufferOwned);
+ return createCOFFObjectFile(Object);
}
llvm_unreachable("Unexpected Object File Type");
}
-ErrorOr<ObjectFile *> ObjectFile::createObjectFile(StringRef ObjectPath) {
- OwningPtr<MemoryBuffer> File;
- if (error_code EC = MemoryBuffer::getFile(ObjectPath, File))
+ErrorOr<OwningBinary<ObjectFile>>
+ObjectFile::createObjectFile(StringRef ObjectPath) {
+ ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
+ MemoryBuffer::getFile(ObjectPath);
+ if (std::error_code EC = FileOrErr.getError())
+ return EC;
+ std::unique_ptr<MemoryBuffer> Buffer = std::move(FileOrErr.get());
+
+ ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr =
+ createObjectFile(Buffer->getMemBufferRef());
+ if (std::error_code EC = ObjOrErr.getError())
return EC;
- return createObjectFile(File.take());
+ std::unique_ptr<ObjectFile> Obj = std::move(ObjOrErr.get());
+
+ return OwningBinary<ObjectFile>(std::move(Obj), std::move(Buffer));
}