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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
166 lines
7.7 KiB
C++
166 lines
7.7 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 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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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 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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std::error_code 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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