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6f7483b1ec
Original commit description: [LLD] Remove global state in lld/COFF This patch removes globals from the lldCOFF library, by moving globals into a context class (COFFLinkingContext) and passing it around wherever it's needed. See https://lists.llvm.org/pipermail/llvm-dev/2021-June/151184.html for context about removing globals from LLD. I also haven't moved the `driver` or `config` variables yet. Differential Revision: https://reviews.llvm.org/D109634 This reverts commita2fd05ada9. Original commits wereb4fa71eed3ande03c7e367a.
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
//===- MinGW.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_COFF_MINGW_H
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#define LLD_COFF_MINGW_H
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#include "Config.h"
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#include "Symbols.h"
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#include "lld/Common/LLVM.h"
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/StringSet.h"
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#include "llvm/Option/ArgList.h"
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#include <vector>
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namespace lld {
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namespace coff {
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class COFFLinkerContext;
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// Logic for deciding what symbols to export, when exporting all
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// symbols for MinGW.
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class AutoExporter {
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public:
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AutoExporter();
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void addWholeArchive(StringRef path);
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llvm::StringSet<> excludeSymbols;
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llvm::StringSet<> excludeSymbolPrefixes;
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llvm::StringSet<> excludeSymbolSuffixes;
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llvm::StringSet<> excludeLibs;
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llvm::StringSet<> excludeObjects;
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bool shouldExport(const COFFLinkerContext &ctx, Defined *sym) const;
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};
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void writeDefFile(StringRef name);
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// The -wrap option is a feature to rename symbols so that you can write
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// wrappers for existing functions. If you pass `-wrap:foo`, all
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// occurrences of symbol `foo` are resolved to `__wrap_foo` (so, you are
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// expected to write `__wrap_foo` function as a wrapper). The original
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// symbol becomes accessible as `__real_foo`, so you can call that from your
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// wrapper.
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//
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// This data structure is instantiated for each -wrap option.
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struct WrappedSymbol {
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Symbol *sym;
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Symbol *real;
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Symbol *wrap;
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};
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std::vector<WrappedSymbol> addWrappedSymbols(COFFLinkerContext &ctx,
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llvm::opt::InputArgList &args);
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void wrapSymbols(COFFLinkerContext &ctx, ArrayRef<WrappedSymbol> wrapped);
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} // namespace coff
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} // namespace lld
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#endif
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