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	Summary: Make identify_magic to recognize COFF import file. Reviewers: Bigcheese CC: llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D2165 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194852 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			119 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			119 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| //===- Binary.cpp - A generic binary file -----------------------*- C++ -*-===//
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| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is distributed under the University of Illinois Open Source
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| // License. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| //
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| // This file defines the Binary class.
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #include "llvm/Object/Binary.h"
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| #include "llvm/ADT/StringRef.h"
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| #include "llvm/Support/MemoryBuffer.h"
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| #include "llvm/Support/FileSystem.h"
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| #include "llvm/Support/Path.h"
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| 
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| // Include headers for createBinary.
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| #include "llvm/Object/Archive.h"
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| #include "llvm/Object/COFF.h"
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| #include "llvm/Object/MachOUniversal.h"
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| #include "llvm/Object/ObjectFile.h"
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| 
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| using namespace llvm;
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| using namespace object;
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| 
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| Binary::~Binary() {
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|   delete Data;
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| }
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| 
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| Binary::Binary(unsigned int Type, MemoryBuffer *Source)
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|   : TypeID(Type)
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|   , Data(Source) {}
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| 
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| StringRef Binary::getData() const {
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|   return Data->getBuffer();
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| }
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| 
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| StringRef Binary::getFileName() const {
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|   return Data->getBufferIdentifier();
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| }
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| 
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| error_code object::createBinary(MemoryBuffer *Source,
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|                                 OwningPtr<Binary> &Result) {
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|   OwningPtr<MemoryBuffer> scopedSource(Source);
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|   if (!Source)
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|     return make_error_code(errc::invalid_argument);
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|   sys::fs::file_magic type = sys::fs::identify_magic(Source->getBuffer());
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|   error_code ec;
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|   switch (type) {
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|     case sys::fs::file_magic::archive: {
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|       OwningPtr<Binary> ret(new Archive(scopedSource.take(), ec));
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|       if (ec) return ec;
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|       Result.swap(ret);
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|       return object_error::success;
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|     }
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|     case sys::fs::file_magic::elf_relocatable:
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|     case sys::fs::file_magic::elf_executable:
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|     case sys::fs::file_magic::elf_shared_object:
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|     case sys::fs::file_magic::elf_core: {
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|       OwningPtr<Binary> ret(
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|         ObjectFile::createELFObjectFile(scopedSource.take()));
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|       if (!ret)
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|         return object_error::invalid_file_type;
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|       Result.swap(ret);
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|       return object_error::success;
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|     }
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|     case sys::fs::file_magic::macho_object:
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|     case sys::fs::file_magic::macho_executable:
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|     case sys::fs::file_magic::macho_fixed_virtual_memory_shared_lib:
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|     case sys::fs::file_magic::macho_core:
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|     case sys::fs::file_magic::macho_preload_executable:
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|     case sys::fs::file_magic::macho_dynamically_linked_shared_lib:
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|     case sys::fs::file_magic::macho_dynamic_linker:
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|     case sys::fs::file_magic::macho_bundle:
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|     case sys::fs::file_magic::macho_dynamically_linked_shared_lib_stub:
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|     case sys::fs::file_magic::macho_dsym_companion: {
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|       OwningPtr<Binary> ret(
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|         ObjectFile::createMachOObjectFile(scopedSource.take()));
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|       if (!ret)
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|         return object_error::invalid_file_type;
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|       Result.swap(ret);
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|       return object_error::success;
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|     }
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|     case sys::fs::file_magic::macho_universal_binary: {
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|       OwningPtr<Binary> ret(new MachOUniversalBinary(scopedSource.take(), ec));
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|       if (ec) return ec;
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|       Result.swap(ret);
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|       return object_error::success;
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|     }
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|     case sys::fs::file_magic::coff_object:
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|     case sys::fs::file_magic::coff_import_library:
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|     case sys::fs::file_magic::pecoff_executable: {
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|       OwningPtr<Binary> ret(
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|           ObjectFile::createCOFFObjectFile(scopedSource.take()));
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|       if (!ret)
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|         return object_error::invalid_file_type;
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|       Result.swap(ret);
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|       return object_error::success;
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|     }
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|     case sys::fs::file_magic::unknown:
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|     case sys::fs::file_magic::bitcode:
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|     case sys::fs::file_magic::windows_resource: {
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|       // Unrecognized object file format.
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|       return object_error::invalid_file_type;
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|     }
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|   }
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|   llvm_unreachable("Unexpected Binary File Type");
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| }
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| 
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| error_code object::createBinary(StringRef Path, OwningPtr<Binary> &Result) {
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|   OwningPtr<MemoryBuffer> File;
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|   if (error_code ec = MemoryBuffer::getFileOrSTDIN(Path, File))
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|     return ec;
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|   return createBinary(File.take(), Result);
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| }
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