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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===-- LVReaderHandler.h ---------------------------------------*- 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 class implements the Reader handler. |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |||
| 13 | #ifndef LLVM_DEBUGINFO_LOGICALVIEW_READERS_LVREADERHANDLER_H |
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| 14 | #define LLVM_DEBUGINFO_LOGICALVIEW_READERS_LVREADERHANDLER_H |
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| 15 | |||
| 16 | #include "llvm/ADT/PointerUnion.h" |
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| 17 | #include "llvm/DebugInfo/LogicalView/Core/LVReader.h" |
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| 18 | #include "llvm/DebugInfo/PDB/Native/PDBFile.h" |
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| 19 | #include "llvm/Object/Archive.h" |
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| 20 | #include "llvm/Object/MachOUniversal.h" |
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| 21 | #include "llvm/Object/ObjectFile.h" |
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| 22 | #include "llvm/Support/MemoryBuffer.h" |
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| 23 | #include "llvm/Support/ScopedPrinter.h" |
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| 24 | #include <string> |
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| 25 | #include <vector> |
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| 26 | |||
| 27 | namespace llvm { |
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| 28 | namespace logicalview { |
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| 29 | |||
| 30 | using LVReaders = std::vector<LVReader *>; |
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| 31 | using ArgVector = std::vector<std::string>; |
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| 32 | using PdbOrObj = PointerUnion<object::ObjectFile *, pdb::PDBFile *>; |
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| 33 | |||
| 34 | // This class performs the following tasks: |
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| 35 | // - Creates a logical reader for every binary file in the command line, |
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| 36 | // that parses the debug information and creates a high level logical |
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| 37 | // view representation containing scopes, symbols, types and lines. |
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| 38 | // - Prints and compares the logical views. |
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| 39 | // |
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| 40 | // The supported binary formats are: ELF, Mach-O and CodeView. |
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| 41 | class LVReaderHandler { |
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| 42 | ArgVector &Objects; |
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| 43 | ScopedPrinter &W; |
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| 44 | raw_ostream &OS; |
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| 45 | LVReaders TheReaders; |
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| 46 | |||
| 47 | Error createReaders(); |
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| 48 | void destroyReaders(); |
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| 49 | Error printReaders(); |
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| 50 | Error compareReaders(); |
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| 51 | |||
| 52 | Error handleArchive(LVReaders &Readers, StringRef Filename, |
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| 53 | object::Archive &Arch); |
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| 54 | Error handleBuffer(LVReaders &Readers, StringRef Filename, |
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| 55 | MemoryBufferRef Buffer, StringRef ExePath = {}); |
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| 56 | Error handleFile(LVReaders &Readers, StringRef Filename, |
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| 57 | StringRef ExePath = {}); |
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| 58 | Error handleMach(LVReaders &Readers, StringRef Filename, |
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| 59 | object::MachOUniversalBinary &Mach); |
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| 60 | Error handleObject(LVReaders &Readers, StringRef Filename, |
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| 61 | object::Binary &Binary); |
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| 62 | |||
| 63 | Error createReader(StringRef Filename, LVReaders &Readers, PdbOrObj &Input, |
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| 64 | StringRef FileFormatName, StringRef ExePath = {}); |
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| 65 | |||
| 66 | public: |
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| 67 | LVReaderHandler() = delete; |
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| 68 | LVReaderHandler(ArgVector &Objects, ScopedPrinter &W, |
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| 69 | LVOptions &ReaderOptions) |
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| 70 | : Objects(Objects), W(W), OS(W.getOStream()) { |
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| 71 | setOptions(&ReaderOptions); |
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| 72 | } |
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| 73 | LVReaderHandler(const LVReaderHandler &) = delete; |
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| 74 | LVReaderHandler &operator=(const LVReaderHandler &) = delete; |
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| 75 | ~LVReaderHandler() { destroyReaders(); } |
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| 76 | |||
| 77 | Error createReader(StringRef Filename, LVReaders &Readers) { |
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| 78 | return handleFile(Readers, Filename); |
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| 79 | } |
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| 80 | Error process(); |
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| 81 | |||
| 82 | Expected<LVReader *> createReader(StringRef Pathname) { |
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| 83 | LVReaders Readers; |
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| 84 | if (Error Err = createReader(Pathname, Readers)) |
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| 85 | return std::move(Err); |
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| 86 | return Readers[0]; |
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| 87 | } |
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| 88 | void deleteReader(LVReader *Reader) { delete Reader; } |
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| 89 | |||
| 90 | void print(raw_ostream &OS) const; |
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| 91 | |||
| 92 | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) |
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| 93 | void dump() const { print(dbgs()); } |
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| 94 | #endif |
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| 95 | }; |
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| 96 | |||
| 97 | } // end namespace logicalview |
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| 98 | } // namespace llvm |
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| 99 | |||
| 100 | #endif // LLVM_DEBUGINFO_LOGICALVIEW_READERS_LVREADERHANDLER_H |