| //===- IRObjectFile.h - LLVM IR object file implementation ------*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file declares the IRObjectFile template class. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_OBJECT_IROBJECTFILE_H |
| #define LLVM_OBJECT_IROBJECTFILE_H |
| |
| #include "llvm/ADT/PointerUnion.h" |
| #include "llvm/Object/IRSymtab.h" |
| #include "llvm/Object/ModuleSymbolTable.h" |
| #include "llvm/Object/SymbolicFile.h" |
| |
| namespace llvm { |
| class BitcodeModule; |
| class Mangler; |
| class Module; |
| class GlobalValue; |
| class Triple; |
| |
| namespace object { |
| class ObjectFile; |
| |
| class IRObjectFile : public SymbolicFile { |
| std::vector<std::unique_ptr<Module>> Mods; |
| ModuleSymbolTable SymTab; |
| IRObjectFile(MemoryBufferRef Object, |
| std::vector<std::unique_ptr<Module>> Mods); |
| |
| public: |
| ~IRObjectFile() override; |
| void moveSymbolNext(DataRefImpl &Symb) const override; |
| Error printSymbolName(raw_ostream &OS, DataRefImpl Symb) const override; |
| uint32_t getSymbolFlags(DataRefImpl Symb) const override; |
| basic_symbol_iterator symbol_begin() const override; |
| basic_symbol_iterator symbol_end() const override; |
| |
| StringRef getTargetTriple() const; |
| |
| static bool classof(const Binary *v) { |
| return v->isIR(); |
| } |
| |
| using module_iterator = |
| pointee_iterator<std::vector<std::unique_ptr<Module>>::const_iterator, |
| const Module>; |
| |
| module_iterator module_begin() const { return module_iterator(Mods.begin()); } |
| module_iterator module_end() const { return module_iterator(Mods.end()); } |
| |
| iterator_range<module_iterator> modules() const { |
| return make_range(module_begin(), module_end()); |
| } |
| |
| /// Finds and returns bitcode embedded in the given object file, or an |
| /// error code if not found. |
| static Expected<MemoryBufferRef> findBitcodeInObject(const ObjectFile &Obj); |
| |
| /// Finds and returns bitcode in the given memory buffer (which may |
| /// be either a bitcode file or a native object file with embedded bitcode), |
| /// or an error code if not found. |
| static Expected<MemoryBufferRef> |
| findBitcodeInMemBuffer(MemoryBufferRef Object); |
| |
| static Expected<std::unique_ptr<IRObjectFile>> create(MemoryBufferRef Object, |
| LLVMContext &Context); |
| }; |
| |
| /// The contents of a bitcode file and its irsymtab. Any underlying data |
| /// for the irsymtab are owned by Symtab and Strtab. |
| struct IRSymtabFile { |
| std::vector<BitcodeModule> Mods; |
| SmallVector<char, 0> Symtab, Strtab; |
| irsymtab::Reader TheReader; |
| }; |
| |
| /// Reads a bitcode file, creating its irsymtab if necessary. |
| Expected<IRSymtabFile> readIRSymtab(MemoryBufferRef MBRef); |
| |
| } |
| |
| } |
| |
| #endif |