mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-05 13:09:10 +00:00
1f6efa3996
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120298 91177308-0d34-0410-b5e6-96231b3b80d8
67 lines
2.1 KiB
C++
67 lines
2.1 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/Support/ErrorHandling.h"
|
|
#include "llvm/Support/MemoryBuffer.h"
|
|
#include "llvm/Support/Path.h"
|
|
|
|
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());
|
|
}
|
|
|
|
ObjectFile::~ObjectFile() {
|
|
delete MapFile;
|
|
}
|
|
|
|
StringRef ObjectFile::getFilename() const {
|
|
return MapFile->getBufferIdentifier();
|
|
}
|
|
|
|
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_PreloadExecutable_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");
|
|
}
|
|
}
|
|
|
|
ObjectFile *ObjectFile::createObjectFile(StringRef ObjectPath) {
|
|
return createObjectFile(MemoryBuffer::getFile(ObjectPath));
|
|
}
|