1 //===- Config.h -------------------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLD_MACHO_CONFIG_H 10 #define LLD_MACHO_CONFIG_H 11 12 #include "llvm/ADT/DenseMap.h" 13 #include "llvm/ADT/StringRef.h" 14 #include "llvm/BinaryFormat/MachO.h" 15 #include "llvm/Support/VersionTuple.h" 16 #include "llvm/TextAPI/MachO/Architecture.h" 17 #include "llvm/TextAPI/MachO/Platform.h" 18 19 #include <vector> 20 21 namespace lld { 22 namespace macho { 23 24 class Symbol; 25 struct SymbolPriorityEntry; 26 27 struct PlatformInfo { 28 llvm::MachO::PlatformKind kind; 29 llvm::VersionTuple minimum; 30 llvm::VersionTuple sdk; 31 }; 32 33 struct Configuration { 34 Symbol *entry; 35 bool hasReexports = false; 36 bool allLoad = false; 37 bool forceLoadObjC = false; 38 bool staticLink = false; 39 bool isPic = false; 40 bool headerPadMaxInstallNames = false; 41 bool printEachFile = false; 42 bool printWhyLoad = false; 43 bool searchDylibsFirst = false; 44 bool saveTemps = false; 45 uint32_t headerPad; 46 llvm::StringRef installName; 47 llvm::StringRef outputFile; 48 bool demangle = false; 49 llvm::MachO::Architecture arch; 50 PlatformInfo platform; 51 llvm::MachO::HeaderFileType outputType; 52 std::vector<llvm::StringRef> systemLibraryRoots; 53 std::vector<llvm::StringRef> librarySearchPaths; 54 std::vector<llvm::StringRef> frameworkSearchPaths; 55 std::vector<llvm::StringRef> runtimePaths; 56 llvm::DenseMap<llvm::StringRef, SymbolPriorityEntry> priorities; 57 }; 58 59 // The symbol with the highest priority should be ordered first in the output 60 // section (modulo input section contiguity constraints). Using priority 61 // (highest first) instead of order (lowest first) has the convenient property 62 // that the default-constructed zero priority -- for symbols/sections without a 63 // user-defined order -- naturally ends up putting them at the end of the 64 // output. 65 struct SymbolPriorityEntry { 66 // The priority given to a matching symbol, regardless of which object file 67 // it originated from. 68 size_t anyObjectFile = 0; 69 // The priority given to a matching symbol from a particular object file. 70 llvm::DenseMap<llvm::StringRef, size_t> objectFiles; 71 }; 72 73 extern Configuration *config; 74 75 } // namespace macho 76 } // namespace lld 77 78 #endif 79