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0fad42df2f
This patch includes a fix for a llvm-readobj test. With this patch, the tool does no longer print out COFF headers for the short import file, but that's probably desirable because the header for the short import file is dummy. llvm-svn: 246283
83 lines
3.0 KiB
C++
83 lines
3.0 KiB
C++
//===- SymbolicFile.cpp - Interface that only provides symbols --*- 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 a file format independent SymbolicFile class.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Object/COFF.h"
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#include "llvm/Object/COFFImportFile.h"
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#include "llvm/Object/IRObjectFile.h"
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#include "llvm/Object/ObjectFile.h"
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#include "llvm/Object/SymbolicFile.h"
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#include "llvm/Support/MemoryBuffer.h"
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using namespace llvm;
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using namespace object;
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SymbolicFile::SymbolicFile(unsigned int Type, MemoryBufferRef Source)
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: Binary(Type, Source) {}
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SymbolicFile::~SymbolicFile() {}
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ErrorOr<std::unique_ptr<SymbolicFile>> SymbolicFile::createSymbolicFile(
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MemoryBufferRef Object, sys::fs::file_magic Type, LLVMContext *Context) {
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StringRef Data = Object.getBuffer();
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if (Type == sys::fs::file_magic::unknown)
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Type = sys::fs::identify_magic(Data);
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switch (Type) {
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case sys::fs::file_magic::bitcode:
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if (Context)
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return IRObjectFile::create(Object, *Context);
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// Fallthrough
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case sys::fs::file_magic::unknown:
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case sys::fs::file_magic::archive:
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case sys::fs::file_magic::macho_universal_binary:
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case sys::fs::file_magic::windows_resource:
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return object_error::invalid_file_type;
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case sys::fs::file_magic::elf:
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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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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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case sys::fs::file_magic::macho_kext_bundle:
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case sys::fs::file_magic::pecoff_executable:
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return ObjectFile::createObjectFile(Object, Type);
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case sys::fs::file_magic::coff_import_library:
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return std::unique_ptr<SymbolicFile>(new COFFImportFile(Object));
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case sys::fs::file_magic::elf_relocatable:
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case sys::fs::file_magic::macho_object:
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case sys::fs::file_magic::coff_object: {
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ErrorOr<std::unique_ptr<ObjectFile>> Obj =
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ObjectFile::createObjectFile(Object, Type);
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if (!Obj || !Context)
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return std::move(Obj);
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ErrorOr<MemoryBufferRef> BCData =
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IRObjectFile::findBitcodeInObject(*Obj->get());
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if (!BCData)
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return std::move(Obj);
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return IRObjectFile::create(
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MemoryBufferRef(BCData->getBuffer(), Object.getBufferIdentifier()),
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*Context);
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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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