//
//===----------------------------------------------------------------------===//
+#include "llvm/Object/COFF.h"
+#include "llvm/Object/MachO.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FileSystem.h"
#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/System/Path.h"
+#include "llvm/Support/raw_ostream.h"
+#include <system_error>
using namespace llvm;
using namespace object;
-ObjectFile::ObjectFile(MemoryBuffer *Object)
- : MapFile(Object) {
- assert(MapFile && "Must be a valid MemoryBuffer!");
- base = reinterpret_cast<const uint8_t *>(MapFile->getBufferStart());
+void ObjectFile::anchor() { }
+
+ObjectFile::ObjectFile(unsigned int Type, std::unique_ptr<MemoryBuffer> Source)
+ : SymbolicFile(Type, std::move(Source)) {}
+
+std::error_code ObjectFile::printSymbolName(raw_ostream &OS,
+ DataRefImpl Symb) const {
+ StringRef Name;
+ if (std::error_code EC = getSymbolName(Symb, Name))
+ return EC;
+ OS << Name;
+ return object_error::success;
}
-ObjectFile::~ObjectFile() {
- delete MapFile;
+std::error_code ObjectFile::getSymbolAlignment(DataRefImpl DRI,
+ uint32_t &Result) const {
+ Result = 0;
+ return object_error::success;
}
-StringRef ObjectFile::getFilename() const {
- return MapFile->getBufferIdentifier();
+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->getBufferStart(),
- static_cast<unsigned>(Object->getBufferSize()));
- switch (type) {
- case sys::ELF_Relocatable_FileType:
- case sys::ELF_Executable_FileType:
- case sys::ELF_SharedObject_FileType:
- case sys::ELF_Core_FileType:
- return 0;
- 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_PreloadExectuable_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:
- return 0;
- case sys::COFF_FileType:
- return 0;
- default:
- llvm_unreachable("Unknown Object File Type");
+ErrorOr<std::unique_ptr<ObjectFile>>
+ObjectFile::createObjectFile(std::unique_ptr<MemoryBuffer> &Object,
+ 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:
+ 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);
+ 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(std::move(Object));
}
+ llvm_unreachable("Unexpected Object File Type");
}
-ObjectFile *ObjectFile::createObjectFile(StringRef ObjectPath) {
- return createObjectFile(MemoryBuffer::getFile(ObjectPath));
+ErrorOr<std::unique_ptr<ObjectFile>>
+ObjectFile::createObjectFile(StringRef ObjectPath) {
+ ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
+ MemoryBuffer::getFile(ObjectPath);
+ if (std::error_code EC = FileOrErr.getError())
+ return EC;
+ return createObjectFile(FileOrErr.get());
}