forked from OSchip/llvm-project
719 lines
25 KiB
C++
719 lines
25 KiB
C++
//===-- llvm-libtool-darwin.cpp - a tool for creating libraries -----------===//
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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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// A utility for creating static and dynamic libraries for Darwin.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/BinaryFormat/Magic.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/Object/ArchiveWriter.h"
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#include "llvm/Object/IRObjectFile.h"
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#include "llvm/Object/MachO.h"
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#include "llvm/Object/MachOUniversal.h"
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#include "llvm/Object/MachOUniversalWriter.h"
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#include "llvm/Object/ObjectFile.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/InitLLVM.h"
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#include "llvm/Support/LineIterator.h"
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#include "llvm/Support/TargetSelect.h"
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#include "llvm/Support/VirtualFileSystem.h"
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#include "llvm/Support/WithColor.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/TextAPI/Architecture.h"
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#include <map>
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#include <type_traits>
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using namespace llvm;
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using namespace llvm::object;
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class NewArchiveMemberList;
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typedef std::map<uint64_t, NewArchiveMemberList> MembersPerArchitectureMap;
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cl::OptionCategory LibtoolCategory("llvm-libtool-darwin Options");
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static cl::opt<std::string> OutputFile("o", cl::desc("Specify output filename"),
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cl::value_desc("filename"),
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cl::cat(LibtoolCategory));
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static cl::list<std::string> InputFiles(cl::Positional,
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cl::desc("<input files>"),
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cl::ZeroOrMore,
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cl::cat(LibtoolCategory));
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static cl::opt<std::string> ArchType(
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"arch_only", cl::desc("Specify architecture type for output library"),
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cl::value_desc("arch_type"), cl::ZeroOrMore, cl::cat(LibtoolCategory));
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enum class Operation { None, Static };
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static cl::opt<Operation> LibraryOperation(
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cl::desc("Library Type: "),
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cl::values(
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clEnumValN(Operation::Static, "static",
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"Produce a statically linked library from the input files")),
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cl::init(Operation::None), cl::cat(LibtoolCategory));
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static cl::opt<bool> DeterministicOption(
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"D", cl::desc("Use zero for timestamps and UIDs/GIDs (Default)"),
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cl::init(false), cl::cat(LibtoolCategory));
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static cl::opt<bool>
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NonDeterministicOption("U", cl::desc("Use actual timestamps and UIDs/GIDs"),
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cl::init(false), cl::cat(LibtoolCategory));
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static cl::opt<std::string>
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FileList("filelist",
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cl::desc("Pass in file containing a list of filenames"),
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cl::value_desc("listfile[,dirname]"), cl::cat(LibtoolCategory));
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static cl::list<std::string> Libraries(
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"l",
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cl::desc(
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"l<x> searches for the library libx.a in the library search path. If"
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" the string 'x' ends with '.o', then the library 'x' is searched for"
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" without prepending 'lib' or appending '.a'"),
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cl::ZeroOrMore, cl::Prefix, cl::cat(LibtoolCategory));
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static cl::list<std::string> LibrarySearchDirs(
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"L",
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cl::desc(
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"L<dir> adds <dir> to the list of directories in which to search for"
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" libraries"),
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cl::ZeroOrMore, cl::Prefix, cl::cat(LibtoolCategory));
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static cl::opt<bool>
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VersionOption("V", cl::desc("Print the version number and exit"),
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cl::cat(LibtoolCategory));
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static cl::opt<bool> NoWarningForNoSymbols(
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"no_warning_for_no_symbols",
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cl::desc("Do not warn about files that have no symbols"),
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cl::cat(LibtoolCategory), cl::init(false));
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static cl::opt<bool> WarningsAsErrors("warnings_as_errors",
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cl::desc("Treat warnings as errors"),
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cl::cat(LibtoolCategory),
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cl::init(false));
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static const std::array<std::string, 3> StandardSearchDirs{
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"/lib",
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"/usr/lib",
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"/usr/local/lib",
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};
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struct Config {
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bool Deterministic = true; // Updated by 'D' and 'U' modifiers.
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uint32_t ArchCPUType;
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uint32_t ArchCPUSubtype;
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};
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static Expected<std::string> searchForFile(const Twine &FileName) {
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auto FindLib =
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[FileName](ArrayRef<std::string> SearchDirs) -> Optional<std::string> {
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for (StringRef Dir : SearchDirs) {
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SmallString<128> Path;
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sys::path::append(Path, Dir, FileName);
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if (sys::fs::exists(Path))
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return std::string(Path);
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}
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return None;
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};
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Optional<std::string> Found = FindLib(LibrarySearchDirs);
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if (!Found)
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Found = FindLib(StandardSearchDirs);
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if (Found)
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return *Found;
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return createStringError(std::errc::invalid_argument,
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"cannot locate file '%s'", FileName.str().c_str());
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}
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static Error processCommandLineLibraries() {
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for (StringRef BaseName : Libraries) {
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Expected<std::string> FullPath = searchForFile(
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BaseName.endswith(".o") ? BaseName.str() : "lib" + BaseName + ".a");
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if (!FullPath)
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return FullPath.takeError();
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InputFiles.push_back(FullPath.get());
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}
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return Error::success();
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}
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static Error processFileList() {
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StringRef FileName, DirName;
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std::tie(FileName, DirName) = StringRef(FileList).rsplit(",");
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ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
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MemoryBuffer::getFileOrSTDIN(FileName, /*IsText=*/false,
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/*RequiresNullTerminator=*/false);
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if (std::error_code EC = FileOrErr.getError())
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return createFileError(FileName, errorCodeToError(EC));
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const MemoryBuffer &Ref = *FileOrErr.get();
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line_iterator I(Ref, /*SkipBlanks=*/false);
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if (I.is_at_eof())
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return createStringError(std::errc::invalid_argument,
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"file list file: '%s' is empty",
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FileName.str().c_str());
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for (; !I.is_at_eof(); ++I) {
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StringRef Line = *I;
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if (Line.empty())
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return createStringError(std::errc::invalid_argument,
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"file list file: '%s': filename cannot be empty",
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FileName.str().c_str());
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SmallString<128> Path;
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if (!DirName.empty())
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sys::path::append(Path, DirName, Line);
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else
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sys::path::append(Path, Line);
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InputFiles.push_back(static_cast<std::string>(Path));
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}
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return Error::success();
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}
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static Error validateArchitectureName(StringRef ArchitectureName) {
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if (!MachOObjectFile::isValidArch(ArchitectureName)) {
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std::string Buf;
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raw_string_ostream OS(Buf);
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for (StringRef Arch : MachOObjectFile::getValidArchs())
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OS << Arch << " ";
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return createStringError(
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std::errc::invalid_argument,
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"invalid architecture '%s': valid architecture names are %s",
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ArchitectureName.str().c_str(), OS.str().c_str());
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}
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return Error::success();
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}
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static uint64_t getCPUID(uint32_t CPUType, uint32_t CPUSubtype) {
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switch (CPUType) {
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case MachO::CPU_TYPE_ARM:
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case MachO::CPU_TYPE_ARM64:
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case MachO::CPU_TYPE_ARM64_32:
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case MachO::CPU_TYPE_X86_64:
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// We consider CPUSubtype only for the above 4 CPUTypes to match cctools'
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// libtool behavior.
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return static_cast<uint64_t>(CPUType) << 32 | CPUSubtype;
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default:
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return CPUType;
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}
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}
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// MembersData is an organized collection of members.
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struct MembersData {
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// MembersPerArchitectureMap is a mapping from CPU architecture to a list of
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// members.
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MembersPerArchitectureMap MembersPerArchitecture;
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std::vector<std::unique_ptr<MemoryBuffer>> FileBuffers;
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};
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// NewArchiveMemberList instances serve as collections of archive members and
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// information about those members.
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class NewArchiveMemberList {
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std::vector<NewArchiveMember> Members;
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// This vector contains the file that each NewArchiveMember from Members came
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// from. Therefore, it has the same size as Members.
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std::vector<StringRef> Files;
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public:
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// Add a NewArchiveMember and the file it came from to the list.
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void push_back(NewArchiveMember &&Member, StringRef File) {
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Members.push_back(std::move(Member));
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Files.push_back(File);
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}
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ArrayRef<NewArchiveMember> getMembers() const { return Members; }
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ArrayRef<StringRef> getFiles() const { return Files; }
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static_assert(
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std::is_same<decltype(MembersData::MembersPerArchitecture)::mapped_type,
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NewArchiveMemberList>(),
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"This test makes sure NewArchiveMemberList is used by MembersData since "
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"the following asserts test invariants required for MembersData.");
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static_assert(
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!std::is_copy_constructible<
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decltype(NewArchiveMemberList::Members)::value_type>::value,
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"MembersData::MembersPerArchitecture has a dependency on "
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"MembersData::FileBuffers so it should not be able to "
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"be copied on its own without FileBuffers. Unfortunately, "
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"is_copy_constructible does not detect whether the container (ie vector) "
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"of a non-copyable type is itself non-copyable so we have to test the "
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"actual type of the stored data (ie, value_type).");
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static_assert(
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!std::is_copy_assignable<
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decltype(NewArchiveMemberList::Members)::value_type>::value,
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"MembersData::MembersPerArchitecture has a dependency on "
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"MembersData::FileBuffers so it should not be able to "
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"be copied on its own without FileBuffers. Unfortunately, "
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"is_copy_constructible does not detect whether the container (ie vector) "
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"of a non-copyable type is itself non-copyable so we have to test the "
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"actual type of the stored data (ie, value_type).");
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};
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// MembersBuilder collects and organizes all members from the files provided by
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// the user.
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class MembersBuilder {
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public:
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MembersBuilder(LLVMContext &LLVMCtx, const Config &C)
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: LLVMCtx(LLVMCtx), C(C) {}
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Expected<MembersData> build() {
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for (StringRef FileName : InputFiles)
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if (Error E = AddMember(*this, FileName)())
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return std::move(E);
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if (!ArchType.empty()) {
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uint64_t ArchCPUID = getCPUID(C.ArchCPUType, C.ArchCPUSubtype);
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if (Data.MembersPerArchitecture.find(ArchCPUID) ==
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Data.MembersPerArchitecture.end())
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return createStringError(std::errc::invalid_argument,
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"no library created (no object files in input "
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"files matching -arch_only %s)",
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ArchType.c_str());
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}
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return std::move(Data);
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}
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private:
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class AddMember {
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MembersBuilder &Builder;
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StringRef FileName;
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public:
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AddMember(MembersBuilder &Builder, StringRef FileName)
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: Builder(Builder), FileName(FileName) {}
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Error operator()() {
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Expected<NewArchiveMember> NewMemberOrErr =
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NewArchiveMember::getFile(FileName, Builder.C.Deterministic);
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if (!NewMemberOrErr)
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return createFileError(FileName, NewMemberOrErr.takeError());
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auto &NewMember = *NewMemberOrErr;
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// For regular archives, use the basename of the object path for the
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// member name.
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NewMember.MemberName = sys::path::filename(NewMember.MemberName);
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file_magic Magic = identify_magic(NewMember.Buf->getBuffer());
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// Flatten archives.
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if (Magic == file_magic::archive)
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return addArchiveMembers(std::move(NewMember));
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// Flatten universal files.
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if (Magic == file_magic::macho_universal_binary)
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return addUniversalMembers(std::move(NewMember));
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// Bitcode files.
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if (Magic == file_magic::bitcode)
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return verifyAndAddIRObject(std::move(NewMember));
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return verifyAndAddMachOObject(std::move(NewMember));
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}
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private:
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// Check that a file's architecture [FileCPUType, FileCPUSubtype]
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// matches the architecture specified under -arch_only flag.
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bool acceptFileArch(uint32_t FileCPUType, uint32_t FileCPUSubtype) {
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if (Builder.C.ArchCPUType != FileCPUType)
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return false;
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switch (Builder.C.ArchCPUType) {
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case MachO::CPU_TYPE_ARM:
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case MachO::CPU_TYPE_ARM64_32:
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case MachO::CPU_TYPE_X86_64:
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return Builder.C.ArchCPUSubtype == FileCPUSubtype;
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case MachO::CPU_TYPE_ARM64:
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if (Builder.C.ArchCPUSubtype == MachO::CPU_SUBTYPE_ARM64_ALL)
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return FileCPUSubtype == MachO::CPU_SUBTYPE_ARM64_ALL ||
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FileCPUSubtype == MachO::CPU_SUBTYPE_ARM64_V8;
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else
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return Builder.C.ArchCPUSubtype == FileCPUSubtype;
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default:
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return true;
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}
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}
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Error verifyAndAddMachOObject(NewArchiveMember Member) {
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auto MBRef = Member.Buf->getMemBufferRef();
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Expected<std::unique_ptr<object::ObjectFile>> ObjOrErr =
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object::ObjectFile::createObjectFile(MBRef);
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// Throw error if not a valid object file.
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if (!ObjOrErr)
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return createFileError(Member.MemberName, ObjOrErr.takeError());
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// Throw error if not in Mach-O format.
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if (!isa<object::MachOObjectFile>(**ObjOrErr))
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return createStringError(std::errc::invalid_argument,
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"'%s': format not supported",
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Member.MemberName.data());
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auto *O = cast<MachOObjectFile>(ObjOrErr->get());
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uint32_t FileCPUType, FileCPUSubtype;
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std::tie(FileCPUType, FileCPUSubtype) = MachO::getCPUTypeFromArchitecture(
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MachO::getArchitectureFromName(O->getArchTriple().getArchName()));
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// If -arch_only is specified then skip this file if it doesn't match
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// the architecture specified.
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if (!ArchType.empty() && !acceptFileArch(FileCPUType, FileCPUSubtype)) {
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return Error::success();
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}
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if (!NoWarningForNoSymbols && O->symbols().empty()) {
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Error E = createFileError(
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Member.MemberName,
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createStringError(std::errc::invalid_argument,
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"has no symbols for architecture %s",
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O->getArchTriple().getArchName().str().c_str()));
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if (WarningsAsErrors)
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return E;
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WithColor::defaultWarningHandler(std::move(E));
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}
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uint64_t FileCPUID = getCPUID(FileCPUType, FileCPUSubtype);
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Builder.Data.MembersPerArchitecture[FileCPUID].push_back(
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std::move(Member), FileName);
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return Error::success();
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}
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Error verifyAndAddIRObject(NewArchiveMember Member) {
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auto MBRef = Member.Buf->getMemBufferRef();
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Expected<std::unique_ptr<object::IRObjectFile>> IROrErr =
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object::IRObjectFile::create(MBRef, Builder.LLVMCtx);
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// Throw error if not a valid IR object file.
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if (!IROrErr)
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return createFileError(Member.MemberName, IROrErr.takeError());
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Triple TT = Triple(IROrErr->get()->getTargetTriple());
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Expected<uint32_t> FileCPUTypeOrErr = MachO::getCPUType(TT);
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if (!FileCPUTypeOrErr)
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return FileCPUTypeOrErr.takeError();
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Expected<uint32_t> FileCPUSubTypeOrErr = MachO::getCPUSubType(TT);
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if (!FileCPUSubTypeOrErr)
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return FileCPUSubTypeOrErr.takeError();
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// If -arch_only is specified then skip this file if it doesn't match
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// the architecture specified.
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if (!ArchType.empty() &&
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!acceptFileArch(*FileCPUTypeOrErr, *FileCPUSubTypeOrErr)) {
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return Error::success();
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}
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uint64_t FileCPUID = getCPUID(*FileCPUTypeOrErr, *FileCPUSubTypeOrErr);
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Builder.Data.MembersPerArchitecture[FileCPUID].push_back(
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std::move(Member), FileName);
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return Error::success();
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}
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Error addChildMember(const object::Archive::Child &M) {
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Expected<NewArchiveMember> NewMemberOrErr =
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NewArchiveMember::getOldMember(M, Builder.C.Deterministic);
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if (!NewMemberOrErr)
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return NewMemberOrErr.takeError();
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auto &NewMember = *NewMemberOrErr;
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file_magic Magic = identify_magic(NewMember.Buf->getBuffer());
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if (Magic == file_magic::bitcode)
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return verifyAndAddIRObject(std::move(NewMember));
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return verifyAndAddMachOObject(std::move(NewMember));
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}
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Error processArchive(object::Archive &Lib) {
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Error Err = Error::success();
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for (const object::Archive::Child &Child : Lib.children(Err))
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if (Error E = addChildMember(Child))
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return createFileError(FileName, std::move(E));
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if (Err)
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return createFileError(FileName, std::move(Err));
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return Error::success();
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}
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Error addArchiveMembers(NewArchiveMember NewMember) {
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Expected<std::unique_ptr<Archive>> LibOrErr =
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object::Archive::create(NewMember.Buf->getMemBufferRef());
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if (!LibOrErr)
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return createFileError(FileName, LibOrErr.takeError());
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if (Error E = processArchive(**LibOrErr))
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return E;
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// Update vector FileBuffers with the MemoryBuffers to transfer
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// ownership.
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Builder.Data.FileBuffers.push_back(std::move(NewMember.Buf));
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return Error::success();
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}
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Error addUniversalMembers(NewArchiveMember NewMember) {
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Expected<std::unique_ptr<MachOUniversalBinary>> BinaryOrErr =
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MachOUniversalBinary::create(NewMember.Buf->getMemBufferRef());
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if (!BinaryOrErr)
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return createFileError(FileName, BinaryOrErr.takeError());
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auto *UO = BinaryOrErr->get();
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for (const MachOUniversalBinary::ObjectForArch &O : UO->objects()) {
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Expected<std::unique_ptr<MachOObjectFile>> MachOObjOrErr =
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O.getAsObjectFile();
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if (MachOObjOrErr) {
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NewArchiveMember NewMember =
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NewArchiveMember(MachOObjOrErr->get()->getMemoryBufferRef());
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NewMember.MemberName = sys::path::filename(NewMember.MemberName);
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if (Error E = verifyAndAddMachOObject(std::move(NewMember)))
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return E;
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continue;
|
|
}
|
|
|
|
Expected<std::unique_ptr<IRObjectFile>> IRObjectOrError =
|
|
O.getAsIRObject(Builder.LLVMCtx);
|
|
if (IRObjectOrError) {
|
|
// A universal file member can be a MachOObjectFile, an IRObject or an
|
|
// Archive. In case we can successfully cast the member as an
|
|
// IRObject, it is safe to throw away the error generated due to
|
|
// casting the object as a MachOObjectFile.
|
|
consumeError(MachOObjOrErr.takeError());
|
|
|
|
NewArchiveMember NewMember =
|
|
NewArchiveMember(IRObjectOrError->get()->getMemoryBufferRef());
|
|
NewMember.MemberName = sys::path::filename(NewMember.MemberName);
|
|
|
|
if (Error E = verifyAndAddIRObject(std::move(NewMember)))
|
|
return E;
|
|
continue;
|
|
}
|
|
|
|
Expected<std::unique_ptr<Archive>> ArchiveOrError = O.getAsArchive();
|
|
if (ArchiveOrError) {
|
|
// A universal file member can be a MachOObjectFile, an IRObject or an
|
|
// Archive. In case we can successfully cast the member as an Archive,
|
|
// it is safe to throw away the error generated due to casting the
|
|
// object as a MachOObjectFile.
|
|
consumeError(MachOObjOrErr.takeError());
|
|
consumeError(IRObjectOrError.takeError());
|
|
|
|
if (Error E = processArchive(**ArchiveOrError))
|
|
return E;
|
|
continue;
|
|
}
|
|
|
|
Error CombinedError = joinErrors(
|
|
ArchiveOrError.takeError(),
|
|
joinErrors(IRObjectOrError.takeError(), MachOObjOrErr.takeError()));
|
|
return createFileError(FileName, std::move(CombinedError));
|
|
}
|
|
|
|
// Update vector FileBuffers with the MemoryBuffers to transfer
|
|
// ownership.
|
|
Builder.Data.FileBuffers.push_back(std::move(NewMember.Buf));
|
|
return Error::success();
|
|
}
|
|
};
|
|
|
|
MembersData Data;
|
|
LLVMContext &LLVMCtx;
|
|
const Config &C;
|
|
};
|
|
|
|
static Expected<SmallVector<Slice, 2>>
|
|
buildSlices(LLVMContext &LLVMCtx,
|
|
ArrayRef<OwningBinary<Archive>> OutputBinaries) {
|
|
SmallVector<Slice, 2> Slices;
|
|
|
|
for (const auto &OB : OutputBinaries) {
|
|
const Archive &A = *OB.getBinary();
|
|
Expected<Slice> ArchiveSlice = Slice::create(A, &LLVMCtx);
|
|
if (!ArchiveSlice)
|
|
return ArchiveSlice.takeError();
|
|
Slices.push_back(*ArchiveSlice);
|
|
}
|
|
return Slices;
|
|
}
|
|
|
|
static Error
|
|
checkForDuplicates(const MembersPerArchitectureMap &MembersPerArch) {
|
|
for (const auto &M : MembersPerArch) {
|
|
ArrayRef<NewArchiveMember> Members = M.second.getMembers();
|
|
ArrayRef<StringRef> Files = M.second.getFiles();
|
|
StringMap<std::vector<StringRef>> MembersToFiles;
|
|
for (auto Iterators = std::make_pair(Members.begin(), Files.begin());
|
|
Iterators.first != Members.end();
|
|
++Iterators.first, ++Iterators.second) {
|
|
assert(Iterators.second != Files.end() &&
|
|
"Files should be the same size as Members.");
|
|
MembersToFiles[Iterators.first->MemberName].push_back(*Iterators.second);
|
|
}
|
|
|
|
std::string ErrorData;
|
|
raw_string_ostream ErrorStream(ErrorData);
|
|
for (const auto &MemberToFile : MembersToFiles) {
|
|
if (MemberToFile.getValue().size() > 1) {
|
|
ErrorStream << "file '" << MemberToFile.getKey().str()
|
|
<< "' was specified multiple times.\n";
|
|
|
|
for (StringRef OriginalFile : MemberToFile.getValue())
|
|
ErrorStream << "in: " << OriginalFile.str() << '\n';
|
|
|
|
ErrorStream << '\n';
|
|
}
|
|
}
|
|
|
|
ErrorStream.flush();
|
|
if (ErrorData.size() > 0)
|
|
return createStringError(std::errc::invalid_argument, ErrorData.c_str());
|
|
}
|
|
return Error::success();
|
|
}
|
|
|
|
static Error createStaticLibrary(LLVMContext &LLVMCtx, const Config &C) {
|
|
MembersBuilder Builder(LLVMCtx, C);
|
|
auto DataOrError = Builder.build();
|
|
if (auto Error = DataOrError.takeError())
|
|
return Error;
|
|
|
|
const auto &NewMembers = DataOrError->MembersPerArchitecture;
|
|
|
|
if (Error E = checkForDuplicates(NewMembers)) {
|
|
if (WarningsAsErrors)
|
|
return E;
|
|
WithColor::defaultWarningHandler(std::move(E));
|
|
}
|
|
|
|
if (NewMembers.size() == 1)
|
|
return writeArchive(OutputFile, NewMembers.begin()->second.getMembers(),
|
|
/*WriteSymtab=*/true,
|
|
/*Kind=*/object::Archive::K_DARWIN, C.Deterministic,
|
|
/*Thin=*/false);
|
|
|
|
SmallVector<OwningBinary<Archive>, 2> OutputBinaries;
|
|
for (const std::pair<const uint64_t, NewArchiveMemberList> &M : NewMembers) {
|
|
Expected<std::unique_ptr<MemoryBuffer>> OutputBufferOrErr =
|
|
writeArchiveToBuffer(M.second.getMembers(),
|
|
/*WriteSymtab=*/true,
|
|
/*Kind=*/object::Archive::K_DARWIN,
|
|
C.Deterministic,
|
|
/*Thin=*/false);
|
|
if (!OutputBufferOrErr)
|
|
return OutputBufferOrErr.takeError();
|
|
std::unique_ptr<MemoryBuffer> &OutputBuffer = OutputBufferOrErr.get();
|
|
|
|
Expected<std::unique_ptr<Archive>> ArchiveOrError =
|
|
Archive::create(OutputBuffer->getMemBufferRef());
|
|
if (!ArchiveOrError)
|
|
return ArchiveOrError.takeError();
|
|
std::unique_ptr<Archive> &A = ArchiveOrError.get();
|
|
|
|
OutputBinaries.push_back(
|
|
OwningBinary<Archive>(std::move(A), std::move(OutputBuffer)));
|
|
}
|
|
|
|
Expected<SmallVector<Slice, 2>> Slices = buildSlices(LLVMCtx, OutputBinaries);
|
|
if (!Slices)
|
|
return Slices.takeError();
|
|
|
|
llvm::stable_sort(*Slices);
|
|
return writeUniversalBinary(*Slices, OutputFile);
|
|
}
|
|
|
|
static Expected<Config> parseCommandLine(int Argc, char **Argv) {
|
|
Config C;
|
|
cl::ParseCommandLineOptions(Argc, Argv, "llvm-libtool-darwin\n");
|
|
|
|
if (LibraryOperation == Operation::None) {
|
|
if (!VersionOption) {
|
|
std::string Error;
|
|
raw_string_ostream Stream(Error);
|
|
LibraryOperation.error("must be specified", "", Stream);
|
|
return createStringError(std::errc::invalid_argument, Error.c_str());
|
|
}
|
|
return C;
|
|
}
|
|
|
|
if (OutputFile.empty()) {
|
|
std::string Error;
|
|
raw_string_ostream Stream(Error);
|
|
OutputFile.error("must be specified", "o", Stream);
|
|
return createStringError(std::errc::invalid_argument, Error.c_str());
|
|
}
|
|
|
|
if (DeterministicOption && NonDeterministicOption)
|
|
return createStringError(std::errc::invalid_argument,
|
|
"cannot specify both -D and -U flags");
|
|
else if (NonDeterministicOption)
|
|
C.Deterministic = false;
|
|
|
|
if (!Libraries.empty())
|
|
if (Error E = processCommandLineLibraries())
|
|
return std::move(E);
|
|
|
|
if (!FileList.empty())
|
|
if (Error E = processFileList())
|
|
return std::move(E);
|
|
|
|
if (InputFiles.empty())
|
|
return createStringError(std::errc::invalid_argument,
|
|
"no input files specified");
|
|
|
|
if (ArchType.getNumOccurrences()) {
|
|
if (Error E = validateArchitectureName(ArchType))
|
|
return std::move(E);
|
|
|
|
std::tie(C.ArchCPUType, C.ArchCPUSubtype) =
|
|
MachO::getCPUTypeFromArchitecture(
|
|
MachO::getArchitectureFromName(ArchType));
|
|
}
|
|
|
|
return C;
|
|
}
|
|
|
|
int main(int Argc, char **Argv) {
|
|
InitLLVM X(Argc, Argv);
|
|
cl::HideUnrelatedOptions({&LibtoolCategory, &getColorCategory()});
|
|
Expected<Config> ConfigOrErr = parseCommandLine(Argc, Argv);
|
|
if (!ConfigOrErr) {
|
|
WithColor::defaultErrorHandler(ConfigOrErr.takeError());
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (VersionOption)
|
|
cl::PrintVersionMessage();
|
|
|
|
llvm::InitializeAllTargetInfos();
|
|
llvm::InitializeAllTargetMCs();
|
|
llvm::InitializeAllAsmParsers();
|
|
|
|
LLVMContext LLVMCtx;
|
|
Config C = *ConfigOrErr;
|
|
switch (LibraryOperation) {
|
|
case Operation::None:
|
|
break;
|
|
case Operation::Static:
|
|
if (Error E = createStaticLibrary(LLVMCtx, C)) {
|
|
WithColor::defaultErrorHandler(std::move(E));
|
|
return EXIT_FAILURE;
|
|
}
|
|
break;
|
|
}
|
|
}
|