llvm-6502/lib/Object/ObjectFile.cpp
Rafael Espindola 4fbf663302 Fix variable name style. Don't cast to and from int.
This enables the compiler to see the enum and produce warnings about a switch
not being fully covered. Fix one of these warnings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183749 91177308-0d34-0410-b5e6-96231b3b80d8
2013-06-11 15:29:10 +00:00

79 lines
2.6 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 || Object->getBufferSize() < 64)
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:
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::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());
}