/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/include/llvm/Object/IRObjectFile.h
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1 | | //===- IRObjectFile.h - LLVM IR object file implementation ------*- C++ -*-===// |
2 | | // |
3 | | // The LLVM Compiler Infrastructure |
4 | | // |
5 | | // This file is distributed under the University of Illinois Open Source |
6 | | // License. See LICENSE.TXT for details. |
7 | | // |
8 | | //===----------------------------------------------------------------------===// |
9 | | // |
10 | | // This file declares the IRObjectFile template class. |
11 | | // |
12 | | //===----------------------------------------------------------------------===// |
13 | | |
14 | | #ifndef LLVM_OBJECT_IROBJECTFILE_H |
15 | | #define LLVM_OBJECT_IROBJECTFILE_H |
16 | | |
17 | | #include "llvm/ADT/PointerUnion.h" |
18 | | #include "llvm/Object/IRSymtab.h" |
19 | | #include "llvm/Object/ModuleSymbolTable.h" |
20 | | #include "llvm/Object/SymbolicFile.h" |
21 | | |
22 | | namespace llvm { |
23 | | class BitcodeModule; |
24 | | class Mangler; |
25 | | class Module; |
26 | | class GlobalValue; |
27 | | class Triple; |
28 | | |
29 | | namespace object { |
30 | | class ObjectFile; |
31 | | |
32 | | class IRObjectFile : public SymbolicFile { |
33 | | std::vector<std::unique_ptr<Module>> Mods; |
34 | | ModuleSymbolTable SymTab; |
35 | | IRObjectFile(MemoryBufferRef Object, |
36 | | std::vector<std::unique_ptr<Module>> Mods); |
37 | | |
38 | | public: |
39 | | ~IRObjectFile() override; |
40 | | void moveSymbolNext(DataRefImpl &Symb) const override; |
41 | | std::error_code printSymbolName(raw_ostream &OS, |
42 | | DataRefImpl Symb) const override; |
43 | | uint32_t getSymbolFlags(DataRefImpl Symb) const override; |
44 | | basic_symbol_iterator symbol_begin() const override; |
45 | | basic_symbol_iterator symbol_end() const override; |
46 | | |
47 | | StringRef getTargetTriple() const; |
48 | | |
49 | 0 | static bool classof(const Binary *v) { |
50 | 0 | return v->isIR(); |
51 | 0 | } |
52 | | |
53 | | /// \brief Finds and returns bitcode embedded in the given object file, or an |
54 | | /// error code if not found. |
55 | | static ErrorOr<MemoryBufferRef> findBitcodeInObject(const ObjectFile &Obj); |
56 | | |
57 | | /// \brief Finds and returns bitcode in the given memory buffer (which may |
58 | | /// be either a bitcode file or a native object file with embedded bitcode), |
59 | | /// or an error code if not found. |
60 | | static ErrorOr<MemoryBufferRef> |
61 | | findBitcodeInMemBuffer(MemoryBufferRef Object); |
62 | | |
63 | | static Expected<std::unique_ptr<IRObjectFile>> create(MemoryBufferRef Object, |
64 | | LLVMContext &Context); |
65 | | }; |
66 | | |
67 | | /// The contents of a bitcode file and its irsymtab. Any underlying data |
68 | | /// for the irsymtab are owned by Symtab and Strtab. |
69 | | struct IRSymtabFile { |
70 | | std::vector<BitcodeModule> Mods; |
71 | | SmallVector<char, 0> Symtab, Strtab; |
72 | | irsymtab::Reader TheReader; |
73 | | }; |
74 | | |
75 | | /// Reads a bitcode file, creating its irsymtab if necessary. |
76 | | Expected<IRSymtabFile> readIRSymtab(MemoryBufferRef MBRef); |
77 | | |
78 | | } |
79 | | |
80 | | } |
81 | | |
82 | | #endif |