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5b9553fe08
Exposes implicit dependency in ModuleSymbolTable.h - added missing Module forward declaration.
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
//===- ModuleSymbolTable.h - symbol table for in-memory IR ------*- 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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//
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// This class represents a symbol table built from in-memory IR. It provides
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// access to GlobalValues and should only be used if such access is required
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// (e.g. in the LTO implementation).
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_OBJECT_MODULESYMBOLTABLE_H
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#define LLVM_OBJECT_MODULESYMBOLTABLE_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/PointerUnion.h"
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#include "llvm/IR/Mangler.h"
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#include "llvm/Object/SymbolicFile.h"
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#include "llvm/Support/Allocator.h"
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#include <cstdint>
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#include <string>
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#include <utility>
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#include <vector>
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namespace llvm {
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class GlobalValue;
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class Module;
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class ModuleSymbolTable {
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public:
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using AsmSymbol = std::pair<std::string, uint32_t>;
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using Symbol = PointerUnion<GlobalValue *, AsmSymbol *>;
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private:
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Module *FirstMod = nullptr;
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SpecificBumpPtrAllocator<AsmSymbol> AsmSymbols;
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std::vector<Symbol> SymTab;
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Mangler Mang;
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public:
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ArrayRef<Symbol> symbols() const { return SymTab; }
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void addModule(Module *M);
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void printSymbolName(raw_ostream &OS, Symbol S) const;
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uint32_t getSymbolFlags(Symbol S) const;
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/// Parse inline ASM and collect the symbols that are defined or referenced in
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/// the current module.
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///
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/// For each found symbol, call \p AsmSymbol with the name of the symbol found
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/// and the associated flags.
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static void CollectAsmSymbols(
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const Module &M,
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function_ref<void(StringRef, object::BasicSymbolRef::Flags)> AsmSymbol);
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/// Parse inline ASM and collect the symvers directives that are defined in
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/// the current module.
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///
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/// For each found symbol, call \p AsmSymver with the name of the symbol and
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/// its alias.
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static void
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CollectAsmSymvers(const Module &M,
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function_ref<void(StringRef, StringRef)> AsmSymver);
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};
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} // end namespace llvm
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#endif // LLVM_OBJECT_MODULESYMBOLTABLE_H
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