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132d94ce5c
In addition to printing the individual fields, synthesize and print the corresponding prolog for the unwind info (in reverse order, to match how it's printed for non-packed unwind info). Differential Revision: https://reviews.llvm.org/D87370
178 lines
8.5 KiB
C++
178 lines
8.5 KiB
C++
//===--- ARMWinEHPrinter.h - Windows on ARM Unwind Information Printer ----===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVM_READOBJ_ARMWINEHPRINTER_H
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#define LLVM_TOOLS_LLVM_READOBJ_ARMWINEHPRINTER_H
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#include "llvm/Object/COFF.h"
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#include "llvm/Support/ErrorOr.h"
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#include "llvm/Support/ScopedPrinter.h"
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namespace llvm {
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namespace ARM {
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namespace WinEH {
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class RuntimeFunction;
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class RuntimeFunctionARM64;
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class Decoder {
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static const size_t PDataEntrySize;
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ScopedPrinter &SW;
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raw_ostream &OS;
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bool isAArch64;
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struct RingEntry {
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uint8_t Mask;
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uint8_t Value;
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uint8_t Length;
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bool (Decoder::*Routine)(const uint8_t *, unsigned &, unsigned, bool);
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};
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static const RingEntry Ring[];
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static const RingEntry Ring64[];
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bool opcode_0xxxxxxx(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_10Lxxxxx(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_1100xxxx(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_11010Lxx(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_11011Lxx(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_11100xxx(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_111010xx(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_1110110L(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_11101110(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_11101111(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_11110101(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_11110110(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_11110111(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_11111000(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_11111001(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_11111010(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_11111011(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_11111100(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_11111101(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_11111110(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_11111111(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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// ARM64 unwind codes start here.
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bool opcode_alloc_s(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
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bool Prologue);
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bool opcode_save_r19r20_x(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_save_fplr(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_save_fplr_x(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_alloc_m(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
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bool Prologue);
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bool opcode_save_regp(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_save_regp_x(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_save_reg(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_save_reg_x(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_save_lrpair(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_save_fregp(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_save_fregp_x(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_save_freg(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_save_freg_x(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_alloc_l(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
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bool Prologue);
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bool opcode_setfp(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
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bool Prologue);
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bool opcode_addfp(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
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bool Prologue);
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bool opcode_nop(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
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bool Prologue);
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bool opcode_end(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
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bool Prologue);
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bool opcode_end_c(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
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bool Prologue);
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bool opcode_save_next(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_trap_frame(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_machine_frame(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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bool opcode_context(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
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bool Prologue);
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bool opcode_clear_unwound_to_call(const uint8_t *Opcodes, unsigned &Offset,
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unsigned Length, bool Prologue);
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void decodeOpcodes(ArrayRef<uint8_t> Opcodes, unsigned Offset,
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bool Prologue);
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void printRegisters(const std::pair<uint16_t, uint32_t> &RegisterMask);
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ErrorOr<object::SectionRef>
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getSectionContaining(const object::COFFObjectFile &COFF, uint64_t Address);
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ErrorOr<object::SymbolRef>
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getSymbol(const object::COFFObjectFile &COFF, uint64_t Address,
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bool FunctionOnly = false);
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ErrorOr<object::SymbolRef>
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getRelocatedSymbol(const object::COFFObjectFile &COFF,
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const object::SectionRef &Section, uint64_t Offset);
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bool dumpXDataRecord(const object::COFFObjectFile &COFF,
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const object::SectionRef &Section,
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uint64_t FunctionAddress, uint64_t VA);
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bool dumpUnpackedEntry(const object::COFFObjectFile &COFF,
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const object::SectionRef Section, uint64_t Offset,
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unsigned Index, const RuntimeFunction &Entry);
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bool dumpPackedEntry(const object::COFFObjectFile &COFF,
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const object::SectionRef Section, uint64_t Offset,
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unsigned Index, const RuntimeFunction &Entry);
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bool dumpPackedARM64Entry(const object::COFFObjectFile &COFF,
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const object::SectionRef Section, uint64_t Offset,
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unsigned Index, const RuntimeFunctionARM64 &Entry);
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bool dumpProcedureDataEntry(const object::COFFObjectFile &COFF,
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const object::SectionRef Section, unsigned Entry,
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ArrayRef<uint8_t> Contents);
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void dumpProcedureData(const object::COFFObjectFile &COFF,
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const object::SectionRef Section);
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public:
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Decoder(ScopedPrinter &SW, bool isAArch64) : SW(SW),
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OS(SW.getOStream()),
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isAArch64(isAArch64) {}
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Error dumpProcedureData(const object::COFFObjectFile &COFF);
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};
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}
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}
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}
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#endif
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