| //===- MinGW.h --------------------------------------------------*- 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 LLD_COFF_MINGW_H |
| #define LLD_COFF_MINGW_H |
| |
| #include "Config.h" |
| #include "Symbols.h" |
| #include "lld/Common/LLVM.h" |
| #include "llvm/ADT/ArrayRef.h" |
| #include "llvm/ADT/StringSet.h" |
| #include "llvm/Option/ArgList.h" |
| #include <vector> |
| |
| namespace lld { |
| namespace coff { |
| class COFFLinkerContext; |
| |
| // Logic for deciding what symbols to export, when exporting all |
| // symbols for MinGW. |
| class AutoExporter { |
| public: |
| AutoExporter(); |
| |
| void addWholeArchive(StringRef path); |
| |
| llvm::StringSet<> excludeSymbols; |
| llvm::StringSet<> excludeSymbolPrefixes; |
| llvm::StringSet<> excludeSymbolSuffixes; |
| llvm::StringSet<> excludeLibs; |
| llvm::StringSet<> excludeObjects; |
| |
| bool shouldExport(const COFFLinkerContext &ctx, Defined *sym) const; |
| }; |
| |
| void writeDefFile(StringRef name); |
| |
| // The -wrap option is a feature to rename symbols so that you can write |
| // wrappers for existing functions. If you pass `-wrap:foo`, all |
| // occurrences of symbol `foo` are resolved to `__wrap_foo` (so, you are |
| // expected to write `__wrap_foo` function as a wrapper). The original |
| // symbol becomes accessible as `__real_foo`, so you can call that from your |
| // wrapper. |
| // |
| // This data structure is instantiated for each -wrap option. |
| struct WrappedSymbol { |
| Symbol *sym; |
| Symbol *real; |
| Symbol *wrap; |
| }; |
| |
| std::vector<WrappedSymbol> addWrappedSymbols(COFFLinkerContext &ctx, |
| llvm::opt::InputArgList &args); |
| |
| void wrapSymbols(COFFLinkerContext &ctx, ArrayRef<WrappedSymbol> wrapped); |
| |
| } // namespace coff |
| } // namespace lld |
| |
| #endif |