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This class represents a symbol table built from in-memory IR. It provides access to GlobalValues and should only be used if such access is required (e.g. in the LTO implementation). We will eventually change IRObjectFile to read from a bitcode symbol table rather than using ModuleSymbolTable, so it would not be able to expose the module. Differential Revision: https://reviews.llvm.org/D27073 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288319 91177308-0d34-0410-b5e6-96231b3b80d8
62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
//===- ModuleSymbolTable.h - symbol table for in-memory IR ----------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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/PointerUnion.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/IR/Mangler.h"
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#include "llvm/Object/SymbolicFile.h"
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#include <string>
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#include <utility>
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namespace llvm {
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class GlobalValue;
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class ModuleSymbolTable {
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public:
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typedef std::pair<std::string, uint32_t> AsmSymbol;
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typedef PointerUnion<GlobalValue *, AsmSymbol *> Symbol;
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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 Triple &TheTriple, StringRef InlineAsm,
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function_ref<void(StringRef, object::BasicSymbolRef::Flags)> AsmSymbol);
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};
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}
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#endif
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