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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===- IRObjectFile.h - LLVM IR object file implementation ------*- C++ -*-===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This file declares the IRObjectFile template class. |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |||
| 13 | #ifndef LLVM_OBJECT_IROBJECTFILE_H |
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| 14 | #define LLVM_OBJECT_IROBJECTFILE_H |
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| 15 | |||
| 16 | #include "llvm/Bitcode/BitcodeReader.h" |
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| 17 | #include "llvm/Object/IRSymtab.h" |
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| 18 | #include "llvm/Object/ModuleSymbolTable.h" |
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| 19 | #include "llvm/Object/SymbolicFile.h" |
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| 20 | |||
| 21 | namespace llvm { |
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| 22 | class Module; |
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| 23 | |||
| 24 | namespace object { |
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| 25 | class ObjectFile; |
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| 26 | |||
| 27 | class IRObjectFile : public SymbolicFile { |
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| 28 | std::vector<std::unique_ptr<Module>> Mods; |
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| 29 | ModuleSymbolTable SymTab; |
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| 30 | IRObjectFile(MemoryBufferRef Object, |
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| 31 | std::vector<std::unique_ptr<Module>> Mods); |
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| 32 | |||
| 33 | public: |
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| 34 | ~IRObjectFile() override; |
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| 35 | void moveSymbolNext(DataRefImpl &Symb) const override; |
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| 36 | Error printSymbolName(raw_ostream &OS, DataRefImpl Symb) const override; |
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| 37 | Expected<uint32_t> getSymbolFlags(DataRefImpl Symb) const override; |
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| 38 | basic_symbol_iterator symbol_begin() const override; |
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| 39 | basic_symbol_iterator symbol_end() const override; |
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| 40 | |||
| 41 | StringRef getTargetTriple() const; |
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| 42 | |||
| 43 | static bool classof(const Binary *v) { |
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| 44 | return v->isIR(); |
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| 45 | } |
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| 46 | |||
| 47 | using module_iterator = |
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| 48 | pointee_iterator<std::vector<std::unique_ptr<Module>>::const_iterator, |
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| 49 | const Module>; |
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| 50 | |||
| 51 | module_iterator module_begin() const { return module_iterator(Mods.begin()); } |
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| 52 | module_iterator module_end() const { return module_iterator(Mods.end()); } |
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| 53 | |||
| 54 | iterator_range<module_iterator> modules() const { |
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| 55 | return make_range(module_begin(), module_end()); |
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| 56 | } |
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| 57 | |||
| 58 | /// Finds and returns bitcode embedded in the given object file, or an |
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| 59 | /// error code if not found. |
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| 60 | static Expected<MemoryBufferRef> findBitcodeInObject(const ObjectFile &Obj); |
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| 61 | |||
| 62 | /// Finds and returns bitcode in the given memory buffer (which may |
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| 63 | /// be either a bitcode file or a native object file with embedded bitcode), |
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| 64 | /// or an error code if not found. |
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| 65 | static Expected<MemoryBufferRef> |
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| 66 | findBitcodeInMemBuffer(MemoryBufferRef Object); |
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| 67 | |||
| 68 | static Expected<std::unique_ptr<IRObjectFile>> create(MemoryBufferRef Object, |
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| 69 | LLVMContext &Context); |
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| 70 | }; |
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| 71 | |||
| 72 | /// The contents of a bitcode file and its irsymtab. Any underlying data |
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| 73 | /// for the irsymtab are owned by Symtab and Strtab. |
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| 74 | struct IRSymtabFile { |
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| 75 | std::vector<BitcodeModule> Mods; |
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| 76 | SmallVector<char, 0> Symtab, Strtab; |
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| 77 | irsymtab::Reader TheReader; |
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| 78 | }; |
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| 79 | |||
| 80 | /// Reads a bitcode file, creating its irsymtab if necessary. |
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| 81 | Expected<IRSymtabFile> readIRSymtab(MemoryBufferRef MBRef); |
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| 82 | |||
| 83 | } |
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| 84 | |||
| 85 | } // namespace llvm |
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| 86 | |||
| 87 | #endif |