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 bool &SeenFirstEpilog); 49 void printUnwindInfo(const Context &Ctx, const object::coff_section *Section, 50 off_t Offset, const UnwindInfo &UI); 51 void printRuntimeFunction(const Context &Ctx, 52 const object::coff_section *Section, 53 uint64_t SectionOffset, const RuntimeFunction &RF); 54 55 public: 56 Dumper(ScopedPrinter &SW) : SW(SW), OS(SW.getOStream()) {} 57 58 void printData(const Context &Ctx); 59 }; 60 } 61 } 62 63 #endif 64