1 //===--- ARMWinEHPrinter.h - Windows on ARM Unwind Information Printer ----===// 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_READOBJ_ARMWINEHPRINTER_H 11 #define LLVM_READOBJ_ARMWINEHPRINTER_H 12 13 #include "StreamWriter.h" 14 #include "llvm/Object/COFF.h" 15 #include "llvm/Support/ErrorOr.h" 16 17 namespace llvm { 18 namespace ARM { 19 namespace WinEH { 20 class RuntimeFunction; 21 22 class Decoder { 23 static const size_t PDataEntrySize; 24 25 StreamWriter &SW; 26 raw_ostream &OS; 27 28 struct RingEntry { 29 uint8_t Mask; 30 uint8_t Value; 31 bool (Decoder::*Routine)(const support::ulittle8_t *, unsigned &, unsigned, 32 bool); 33 }; 34 static const RingEntry Ring[]; 35 36 bool opcode_0xxxxxxx(const support::ulittle8_t *Opcodes, unsigned &Offset, 37 unsigned Length, bool Prologue); 38 bool opcode_10Lxxxxx(const support::ulittle8_t *Opcodes, unsigned &Offset, 39 unsigned Length, bool Prologue); 40 bool opcode_1100xxxx(const support::ulittle8_t *Opcodes, unsigned &Offset, 41 unsigned Length, bool Prologue); 42 bool opcode_11010Lxx(const support::ulittle8_t *Opcodes, unsigned &Offset, 43 unsigned Length, bool Prologue); 44 bool opcode_11011Lxx(const support::ulittle8_t *Opcodes, unsigned &Offset, 45 unsigned Length, bool Prologue); 46 bool opcode_11100xxx(const support::ulittle8_t *Opcodes, unsigned &Offset, 47 unsigned Length, bool Prologue); 48 bool opcode_111010xx(const support::ulittle8_t *Opcodes, unsigned &Offset, 49 unsigned Length, bool Prologue); 50 bool opcode_1110110L(const support::ulittle8_t *Opcodes, unsigned &Offset, 51 unsigned Length, bool Prologue); 52 bool opcode_11101110(const support::ulittle8_t *Opcodes, unsigned &Offset, 53 unsigned Length, bool Prologue); 54 bool opcode_11101111(const support::ulittle8_t *Opcodes, unsigned &Offset, 55 unsigned Length, bool Prologue); 56 bool opcode_11110101(const support::ulittle8_t *Opcodes, unsigned &Offset, 57 unsigned Length, bool Prologue); 58 bool opcode_11110110(const support::ulittle8_t *Opcodes, unsigned &Offset, 59 unsigned Length, bool Prologue); 60 bool opcode_11110111(const support::ulittle8_t *Opcodes, unsigned &Offset, 61 unsigned Length, bool Prologue); 62 bool opcode_11111000(const support::ulittle8_t *Opcodes, unsigned &Offset, 63 unsigned Length, bool Prologue); 64 bool opcode_11111001(const support::ulittle8_t *Opcodes, unsigned &Offset, 65 unsigned Length, bool Prologue); 66 bool opcode_11111010(const support::ulittle8_t *Opcodes, unsigned &Offset, 67 unsigned Length, bool Prologue); 68 bool opcode_11111011(const support::ulittle8_t *Opcodes, unsigned &Offset, 69 unsigned Length, bool Prologue); 70 bool opcode_11111100(const support::ulittle8_t *Opcodes, unsigned &Offset, 71 unsigned Length, bool Prologue); 72 bool opcode_11111101(const support::ulittle8_t *Opcodes, unsigned &Offset, 73 unsigned Length, bool Prologue); 74 bool opcode_11111110(const support::ulittle8_t *Opcodes, unsigned &Offset, 75 unsigned Length, bool Prologue); 76 bool opcode_11111111(const support::ulittle8_t *Opcodes, unsigned &Offset, 77 unsigned Length, bool Prologue); 78 79 void decodeOpcodes(ArrayRef<support::ulittle8_t> Opcodes, unsigned Offset, 80 bool Prologue); 81 82 void printRegisters(const std::pair<uint16_t, uint32_t> &RegisterMask); 83 84 ErrorOr<object::SectionRef> 85 getSectionContaining(const object::COFFObjectFile &COFF, uint64_t Address); 86 87 ErrorOr<object::SymbolRef> 88 getSymbol(const object::COFFObjectFile &COFF, uint64_t Address, 89 bool FunctionOnly = false); 90 91 ErrorOr<object::SymbolRef> 92 getRelocatedSymbol(const object::COFFObjectFile &COFF, 93 const object::SectionRef &Section, uint64_t Offset); 94 95 bool dumpXDataRecord(const object::COFFObjectFile &COFF, 96 const object::SectionRef &Section, 97 uint64_t FunctionAddress, uint64_t VA); 98 bool dumpUnpackedEntry(const object::COFFObjectFile &COFF, 99 const object::SectionRef Section, uint64_t Offset, 100 unsigned Index, const RuntimeFunction &Entry); 101 bool dumpPackedEntry(const object::COFFObjectFile &COFF, 102 const object::SectionRef Section, uint64_t Offset, 103 unsigned Index, const RuntimeFunction &Entry); 104 bool dumpProcedureDataEntry(const object::COFFObjectFile &COFF, 105 const object::SectionRef Section, unsigned Entry, 106 ArrayRef<uint8_t> Contents); 107 void dumpProcedureData(const object::COFFObjectFile &COFF, 108 const object::SectionRef Section); 109 110 public: 111 Decoder(StreamWriter &SW) : SW(SW), OS(SW.getOStream()) {} 112 std::error_code dumpProcedureData(const object::COFFObjectFile &COFF); 113 }; 114 } 115 } 116 } 117 118 #endif 119 120
