Coverage Report

Created: 2019-07-24 05:18

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/lib/Object/SymbolicFile.cpp
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//===- SymbolicFile.cpp - Interface that only provides symbols ------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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/SymbolicFile.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/BinaryFormat/Magic.h"
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#include "llvm/Object/COFFImportFile.h"
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#include "llvm/Object/Error.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/Support/Compiler.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/ErrorOr.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include <algorithm>
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#include <memory>
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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() = default;
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Expected<std::unique_ptr<SymbolicFile>>
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SymbolicFile::createSymbolicFile(MemoryBufferRef Object, file_magic Type,
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                                 LLVMContext *Context) {
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  StringRef Data = Object.getBuffer();
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  if (Type == file_magic::unknown)
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    Type = identify_magic(Data);
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  switch (Type) {
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  case file_magic::bitcode:
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    if (Context)
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      return IRObjectFile::create(Object, *Context);
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    LLVM_FALLTHROUGH;
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  case file_magic::unknown:
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  case file_magic::archive:
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  case file_magic::coff_cl_gl_object:
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  case file_magic::macho_universal_binary:
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  case file_magic::windows_resource:
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  case file_magic::pdb:
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  case file_magic::minidump:
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    return errorCodeToError(object_error::invalid_file_type);
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  case file_magic::elf:
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  case file_magic::elf_executable:
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  case file_magic::elf_shared_object:
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  case file_magic::elf_core:
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  case file_magic::macho_executable:
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  case file_magic::macho_fixed_virtual_memory_shared_lib:
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  case file_magic::macho_core:
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  case file_magic::macho_preload_executable:
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  case file_magic::macho_dynamically_linked_shared_lib:
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  case file_magic::macho_dynamic_linker:
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  case file_magic::macho_bundle:
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  case file_magic::macho_dynamically_linked_shared_lib_stub:
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  case file_magic::macho_dsym_companion:
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  case file_magic::macho_kext_bundle:
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  case file_magic::pecoff_executable:
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  case file_magic::xcoff_object_32:
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  case file_magic::xcoff_object_64:
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  case file_magic::wasm_object:
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    return ObjectFile::createObjectFile(Object, Type);
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  case file_magic::coff_import_library:
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    return std::unique_ptr<SymbolicFile>(new COFFImportFile(Object));
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  case file_magic::elf_relocatable:
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  case file_magic::macho_object:
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  case file_magic::coff_object: {
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    Expected<std::unique_ptr<ObjectFile>> Obj =
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        ObjectFile::createObjectFile(Object, Type);
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    if (!Obj || 
!Context7.79k
)
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      return std::move(Obj);
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    Expected<MemoryBufferRef> BCData =
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        IRObjectFile::findBitcodeInObject(*Obj->get());
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    if (!BCData) {
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      consumeError(BCData.takeError());
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      return std::move(Obj);
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    }
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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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}