forked from OSchip/llvm-project
123 lines
3.5 KiB
C++
123 lines
3.5 KiB
C++
//===- Driver.h -------------------------------------------------*- 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 LLD_MACHO_DRIVER_H
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#define LLD_MACHO_DRIVER_H
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#include "lld/Common/LLVM.h"
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#include "llvm/ADT/Optional.h"
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#include "llvm/ADT/SetVector.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Option/OptTable.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include <set>
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#include <type_traits>
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namespace llvm {
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namespace MachO {
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class InterfaceFile;
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} // namespace MachO
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} // namespace llvm
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namespace lld {
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namespace macho {
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class DylibFile;
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class InputFile;
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class MachOOptTable : public llvm::opt::OptTable {
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public:
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MachOOptTable();
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llvm::opt::InputArgList parse(ArrayRef<const char *> argv);
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void printHelp(const char *argv0, bool showHidden) const;
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};
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// Create enum with OPT_xxx values for each option in Options.td
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enum {
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OPT_INVALID = 0,
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#define OPTION(_1, _2, ID, _4, _5, _6, _7, _8, _9, _10, _11, _12) OPT_##ID,
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#include "Options.inc"
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#undef OPTION
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};
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void parseLCLinkerOption(InputFile *, unsigned argc, StringRef data);
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std::string createResponseFile(const llvm::opt::InputArgList &args);
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// Check for both libfoo.dylib and libfoo.tbd (in that order).
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llvm::Optional<std::string> resolveDylibPath(llvm::StringRef path);
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DylibFile *loadDylib(llvm::MemoryBufferRef mbref, DylibFile *umbrella = nullptr,
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bool isBundleLoader = false);
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// Search for all possible combinations of `{root}/{name}.{extension}`.
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// If \p extensions are not specified, then just search for `{root}/{name}`.
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llvm::Optional<llvm::StringRef>
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findPathCombination(const llvm::Twine &name,
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const std::vector<llvm::StringRef> &roots,
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ArrayRef<llvm::StringRef> extensions = {""});
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// If -syslibroot is specified, absolute paths to non-object files may be
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// rerooted.
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llvm::StringRef rerootPath(llvm::StringRef path);
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llvm::Optional<InputFile *> loadArchiveMember(MemoryBufferRef, uint32_t modTime,
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StringRef archiveName,
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bool objCOnly);
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uint32_t getModTime(llvm::StringRef path);
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void printArchiveMemberLoad(StringRef reason, const InputFile *);
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// Helper class to export dependency info.
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class DependencyTracker {
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public:
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explicit DependencyTracker(llvm::StringRef path);
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// Adds the given path to the set of not-found files.
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inline void logFileNotFound(const Twine &path) {
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if (active)
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notFounds.insert(path.str());
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}
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// Writes the dependencies to specified path.
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// The content is sorted by its Op Code, then within each section,
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// alphabetical order.
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void write(llvm::StringRef version,
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const llvm::SetVector<InputFile *> &inputs,
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llvm::StringRef output);
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private:
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enum DepOpCode : uint8_t {
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// Denotes the linker version.
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Version = 0x00,
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// Denotes the input files.
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Input = 0x10,
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// Denotes the files that do not exist(?)
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NotFound = 0x11,
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// Denotes the output files.
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Output = 0x40,
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};
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const llvm::StringRef path;
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bool active;
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// The paths need to be alphabetically ordered.
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// We need to own the paths because some of them are temporarily
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// constructed.
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std::set<std::string> notFounds;
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};
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extern DependencyTracker *depTracker;
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} // namespace macho
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} // namespace lld
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#endif
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