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//===- tools/dsymutil/LinkUtils.h - Dwarf linker utilities ------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TOOLS_DSYMUTIL_LINKOPTIONS_H
#define LLVM_TOOLS_DSYMUTIL_LINKOPTIONS_H
#include "llvm/ADT/Twine.h"
#include "llvm/Remarks/RemarkFormat.h"
#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/Support/WithColor.h"
#include "llvm/DWARFLinker/Classic/DWARFLinker.h"
#include "llvm/DWARFLinker/Classic/DWARFStreamer.h"
#include <string>
namespace llvm {
namespace dsymutil {
enum class DsymutilAccelTableKind : uint8_t {
None,
Apple, ///< .apple_names, .apple_namespaces, .apple_types, .apple_objc.
Dwarf, ///< DWARF v5 .debug_names.
Default, ///< Dwarf for DWARF5 or later, Apple otherwise.
Pub, ///< .debug_pubnames, .debug_pubtypes
};
enum class DsymutilDWARFLinkerType : uint8_t {
Classic, /// Classic implementation of DWARFLinker.
Parallel /// Implementation of DWARFLinker heavily using parallel execution.
};
struct LinkOptions {
/// Verbosity
bool Verbose = false;
/// Quiet
bool Quiet = false;
/// Statistics
bool Statistics = false;
/// Verify the input DWARF.
bool VerifyInputDWARF = false;
/// Skip emitting output
bool NoOutput = false;
/// Do not unique types according to ODR
bool NoODR = false;
/// Update
bool Update = false;
/// Do not check swiftmodule timestamp
bool NoTimestamp = false;
/// Whether we want a static variable to force us to keep its enclosing
/// function.
bool KeepFunctionForStatic = false;
/// Type of DWARFLinker to use.
DsymutilDWARFLinkerType DWARFLinkerType = DsymutilDWARFLinkerType::Classic;
/// Use a 64-bit header when emitting universal binaries.
bool Fat64 = false;
/// Number of threads.
unsigned Threads = 1;
// Output file type.
dwarf_linker::DWARFLinkerBase::OutputFileType FileType =
dwarf_linker::DWARFLinkerBase::OutputFileType::Object;
/// The accelerator table kind
DsymutilAccelTableKind TheAccelTableKind;
/// -oso-prepend-path
std::string PrependPath;
/// The -object-prefix-map.
std::map<std::string, std::string> ObjectPrefixMap;
/// The Resources directory in the .dSYM bundle.
std::optional<std::string> ResourceDir;
/// Virtual File System.
llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> VFS =
vfs::getRealFileSystem();
/// -build-variant-suffix.
std::string BuildVariantSuffix;
/// Paths where to search for the .dSYM files of merged libraries.
std::vector<std::string> DSYMSearchPaths;
/// Fields used for linking and placing remarks into the .dSYM bundle.
/// @{
/// Number of debug maps processed in total.
unsigned NumDebugMaps = 0;
/// -remarks-prepend-path: prepend a path to all the external remark file
/// paths found in remark metadata.
std::string RemarksPrependPath;
/// The output format of the remarks.
remarks::Format RemarksFormat = remarks::Format::Bitstream;
/// Whether all remarks should be kept or only remarks with valid debug
/// locations.
bool RemarksKeepAll = true;
/// @}
LinkOptions() = default;
};
inline void warn(Twine Warning, Twine Context = {}) {
WithColor::warning() << Warning + "\n";
if (!Context.isTriviallyEmpty())
WithColor::note() << Twine("while processing ") + Context + "\n";
}
inline bool error(Twine Error, Twine Context = {}) {
WithColor::error() << Error + "\n";
if (!Context.isTriviallyEmpty())
WithColor::note() << Twine("while processing ") + Context + "\n";
return false;
}
} // end namespace dsymutil
} // end namespace llvm
#endif // LLVM_TOOLS_DSYMUTIL_LINKOPTIONS_H
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