LCOV - code coverage report
Current view: top level - include/llvm/Object - IRObjectFile.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 2 2 100.0 %
Date: 2018-07-13 00:08:38 Functions: 2 2 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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             :   static bool classof(const Binary *v) {
      50        1572 :     return v->isIR();
      51             :   }
      52             : 
      53             :   using module_iterator =
      54             :       pointee_iterator<std::vector<std::unique_ptr<Module>>::const_iterator,
      55             :                        const Module>;
      56             : 
      57             :   module_iterator module_begin() const { return module_iterator(Mods.begin()); }
      58             :   module_iterator module_end() const { return module_iterator(Mods.end()); }
      59             : 
      60             :   iterator_range<module_iterator> modules() const {
      61             :     return make_range(module_begin(), module_end());
      62             :   }
      63             : 
      64             :   /// Finds and returns bitcode embedded in the given object file, or an
      65             :   /// error code if not found.
      66             :   static Expected<MemoryBufferRef> findBitcodeInObject(const ObjectFile &Obj);
      67             : 
      68             :   /// Finds and returns bitcode in the given memory buffer (which may
      69             :   /// be either a bitcode file or a native object file with embedded bitcode),
      70             :   /// or an error code if not found.
      71             :   static Expected<MemoryBufferRef>
      72             :   findBitcodeInMemBuffer(MemoryBufferRef Object);
      73             : 
      74             :   static Expected<std::unique_ptr<IRObjectFile>> create(MemoryBufferRef Object,
      75             :                                                         LLVMContext &Context);
      76             : };
      77             : 
      78             : /// The contents of a bitcode file and its irsymtab. Any underlying data
      79             : /// for the irsymtab are owned by Symtab and Strtab.
      80        5158 : struct IRSymtabFile {
      81             :   std::vector<BitcodeModule> Mods;
      82             :   SmallVector<char, 0> Symtab, Strtab;
      83             :   irsymtab::Reader TheReader;
      84             : };
      85             : 
      86             : /// Reads a bitcode file, creating its irsymtab if necessary.
      87             : Expected<IRSymtabFile> readIRSymtab(MemoryBufferRef MBRef);
      88             : 
      89             : }
      90             : 
      91             : }
      92             : 
      93             : #endif

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