tools/llvm-readobj/Win64EHDumper.h

   1 //===- Win64EHDumper.h - Win64 EH Printing ----------------------*- 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 #ifndef LLVM_TOOLS_READOBJ_WIN64EHPRINTER_H
  11 #define LLVM_TOOLS_READOBJ_WIN64EHPRINTER_H
  12
  13 #include "StreamWriter.h"
  14 #include "llvm/Support/Win64EH.h"
  15
  16 namespace llvm {
  17 namespace object {
  18 class COFFObjectFile;
  19 class SymbolRef;
  20 struct coff_section;
  21 }
  22
  23 namespace Win64EH {
  24 class Dumper {
  25   StreamWriter &SW;
  26   raw_ostream &OS;
  27
  28 public:
  29   typedef error_code (*SymbolResolver)(const object::coff_section *, uint64_t,
  30                                        object::SymbolRef &, void *);
  31
  32   struct Context {
  33     const object::COFFObjectFile &COFF;
  34     SymbolResolver ResolveSymbol;
  35     void *UserData;
  36
  37     Context(const object::COFFObjectFile &COFF, SymbolResolver Resolver,
  38             void *UserData)
  39       : COFF(COFF), ResolveSymbol(Resolver), UserData(UserData) {}
  40   };
  41
  42 private:
  43   void printRuntimeFunctionEntry(const Context &Ctx,
  44                                  const object::coff_section *Section,
  45                                  uint64_t SectionOffset,
  46                                  const RuntimeFunction &RF);
  47   void printUnwindCode(const UnwindInfo& UI, ArrayRef<UnwindCode> UC);
  48   void printUnwindInfo(const Context &Ctx, const object::coff_section *Section,
  49                        off_t Offset, const UnwindInfo &UI);
  50   void printRuntimeFunction(const Context &Ctx,
  51                             const object::coff_section *Section,
  52                             uint64_t SectionOffset, const RuntimeFunction &RF);
  53
  54 public:
  55   Dumper(StreamWriter &SW) : SW(SW), OS(SW.getOStream()) {}
  56
  57   void printData(const Context &Ctx);
  58 };
  59 }
  60 }
  61
  62 #endif