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0d5d418268
Summary: The primary goal of this refactoring is to separate DWARF optimizing part. So that it could be reused by linker or by any other client. There was a thread on llvm-dev discussing the necessity of such a refactoring: http://lists.llvm.org/pipermail/llvm-dev/2019-September/135068.html. This is a final part from series of patches for dsymutil. Previous patches : D71068, D71839, D72476. This patch: 1. Creates lib/DWARFLinker interface : void addObjectFile(DwarfLinkerObjFile &ObjFile); bool link(); void setOptions; 1. Moves all linking logic from tools/dsymutil/DwarfLinkerForBinary into lib/DWARFLinker. 2. Renames RelocationManager into AddressesManager. 3. Remarks creation logic moved from separate parallel execution into object file loading routine. Testing: it passes "check-all" lit testing. MD5 checksum for clang .dSYM bundle matches for the dsymutil with/without that patch. Reviewers: JDevlieghere, friss, dblaikie, aprantl, jdoerfert Reviewed By: JDevlieghere Subscribers: merge_guards_bot, hiraditya, jfb, llvm-commits, probinson, thegameg Tags: #llvm, #debug-info Differential Revision: https://reviews.llvm.org/D72915
101 lines
2.4 KiB
C++
101 lines
2.4 KiB
C++
//===- tools/dsymutil/LinkUtils.h - Dwarf linker utilities ------*- C++ -*-===//
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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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#ifndef LLVM_TOOLS_DSYMUTIL_LINKOPTIONS_H
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#define LLVM_TOOLS_DSYMUTIL_LINKOPTIONS_H
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#include "SymbolMap.h"
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#include "llvm/ADT/Twine.h"
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#include "llvm/Remarks/RemarkFormat.h"
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#include "llvm/Support/WithColor.h"
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#include "llvm/DWARFLinker/DWARFLinker.h"
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#include <string>
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namespace llvm {
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namespace dsymutil {
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enum class OutputFileType {
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Object,
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Assembly,
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};
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struct LinkOptions {
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/// Verbosity
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bool Verbose = false;
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/// Skip emitting output
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bool NoOutput = false;
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/// Do not unique types according to ODR
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bool NoODR = false;
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/// Update
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bool Update = false;
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/// Minimize
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bool Minimize = false;
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/// Do not check swiftmodule timestamp
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bool NoTimestamp = false;
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/// Number of threads.
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unsigned Threads = 1;
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// Output file type.
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OutputFileType FileType = OutputFileType::Object;
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/// The accelerator table kind
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AccelTableKind TheAccelTableKind;
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/// -oso-prepend-path
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std::string PrependPath;
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/// The Resources directory in the .dSYM bundle.
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Optional<std::string> ResourceDir;
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/// Symbol map translator.
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SymbolMapTranslator Translator;
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/// Fields used for linking and placing remarks into the .dSYM bundle.
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/// @{
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/// Number of debug maps processed in total.
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unsigned NumDebugMaps = 0;
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/// -remarks-prepend-path: prepend a path to all the external remark file
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/// paths found in remark metadata.
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std::string RemarksPrependPath;
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/// The output format of the remarks.
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remarks::Format RemarksFormat = remarks::Format::Bitstream;
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/// @}
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LinkOptions() = default;
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};
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inline void warn(Twine Warning, Twine Context = {}) {
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WithColor::warning() << Warning + "\n";
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if (!Context.isTriviallyEmpty())
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WithColor::note() << Twine("while processing ") + Context + "\n";
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}
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inline bool error(Twine Error, Twine Context = {}) {
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WithColor::error() << Error + "\n";
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if (!Context.isTriviallyEmpty())
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WithColor::note() << Twine("while processing ") + Context + "\n";
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return false;
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}
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} // end namespace dsymutil
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} // end namespace llvm
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#endif // LLVM_TOOLS_DSYMUTIL_LINKOPTIONS_H
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