mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 03:02:36 +01:00
30dec160ae
Summary: Make identify_magic to recognize COFF import file. Reviewers: Bigcheese CC: llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D2165 llvm-svn: 194852
85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
//===- ObjectFile.cpp - File format independent object file -----*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines a file format independent ObjectFile class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#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"
|
|
|
|
using namespace llvm;
|
|
using namespace object;
|
|
|
|
void ObjectFile::anchor() { }
|
|
|
|
ObjectFile::ObjectFile(unsigned int Type, MemoryBuffer *source)
|
|
: Binary(Type, source) {
|
|
}
|
|
|
|
error_code ObjectFile::getSymbolAlignment(DataRefImpl DRI,
|
|
uint32_t &Result) const {
|
|
Result = 0;
|
|
return object_error::success;
|
|
}
|
|
|
|
section_iterator ObjectFile::getRelocatedSection(DataRefImpl Sec) const {
|
|
return section_iterator(SectionRef(Sec, this));
|
|
}
|
|
|
|
ObjectFile *ObjectFile::createObjectFile(MemoryBuffer *Object) {
|
|
if (Object->getBufferSize() < 64) {
|
|
delete Object;
|
|
return 0;
|
|
}
|
|
|
|
sys::fs::file_magic 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:
|
|
delete Object;
|
|
return 0;
|
|
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(Object);
|
|
}
|
|
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());
|
|
}
|