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llvm-mirror/tools/dsymutil/LinkUtils.h
Adrian Prantl 120d9370f9 [dsymutil] Collect parseable Swift interfaces in the .dSYM bundle.
When a Swift module built with debug info imports a library without
debug info from a textual interface, the textual interface is
necessary to reconstruct types defined in the library's interface. By
recording the Swift interface files in DWARF dsymutil can collect them
and LLDB can find them.

This patch teaches dsymutil to look for DW_TAG_imported_modules and
records all references to parseable Swift ingterfrace files and copies
them to

  a.out.dSYM/Contents/Resources/<Arch>/<ModuleName>.swiftinterface

<rdar://problem/49751748>

llvm-svn: 358921
2019-04-22 21:33:22 +00:00

91 lines
2.1 KiB
C++

//===- 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 "SymbolMap.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/WithColor.h"
#include <string>
namespace llvm {
namespace dsymutil {
enum class OutputFileType {
Object,
Assembly,
};
/// The kind of accelerator tables we should emit.
enum class AccelTableKind {
Apple, ///< .apple_names, .apple_namespaces, .apple_types, .apple_objc.
Dwarf, ///< DWARF v5 .debug_names.
Default, ///< Dwarf for DWARF5 or later, Apple otherwise.
};
struct LinkOptions {
/// Verbosity
bool Verbose = false;
/// Skip emitting output
bool NoOutput = false;
/// Do not unique types according to ODR
bool NoODR = false;
/// Update
bool Update = false;
/// Minimize
bool Minimize = false;
/// Do not check swiftmodule timestamp
bool NoTimestamp = false;
/// Number of threads.
unsigned Threads = 1;
// Output file type.
OutputFileType FileType = OutputFileType::Object;
/// The accelerator table kind
AccelTableKind TheAccelTableKind;
/// -oso-prepend-path
std::string PrependPath;
/// The Resources directory in the .dSYM bundle.
Optional<std::string> ResourceDir;
/// Symbol map translator.
SymbolMapTranslator Translator;
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