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      1 //===- Win64EHDumper.h - Win64 EH Printing ----------------------*- C++ -*-===//
      2 //
      3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
      4 // See https://llvm.org/LICENSE.txt for license information.
      5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
      6 //
      7 //===----------------------------------------------------------------------===//
      8 
      9 #ifndef LLVM_TOOLS_LLVM_READOBJ_WIN64EHDUMPER_H
     10 #define LLVM_TOOLS_LLVM_READOBJ_WIN64EHDUMPER_H
     11 
     12 #include "llvm/Support/ScopedPrinter.h"
     13 #include "llvm/Support/Win64EH.h"
     14 
     15 namespace llvm {
     16 namespace object {
     17 class COFFObjectFile;
     18 class SymbolRef;
     19 struct coff_section;
     20 }
     21 
     22 namespace Win64EH {
     23 class Dumper {
     24   ScopedPrinter &SW;
     25   raw_ostream &OS;
     26 
     27 public:
     28   typedef std::error_code (*SymbolResolver)(const object::coff_section *,
     29                                             uint64_t, object::SymbolRef &,
     30                                             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(ScopedPrinter &SW) : SW(SW), OS(SW.getOStream()) {}
     56 
     57   void printData(const Context &Ctx);
     58 };
     59 }
     60 }
     61 
     62 #endif
     63