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📄 EmulateInstructionPPC64.cpp(12.35 KB)
📄 EmulateInstructionPPC64.h(2.61 KB)

Editing: EmulateInstructionPPC64.h

//===-- EmulateInstructionPPC64.h -------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLDB_SOURCE_PLUGINS_INSTRUCTION_PPC64_EMULATEINSTRUCTIONPPC64_H
#define LLDB_SOURCE_PLUGINS_INSTRUCTION_PPC64_EMULATEINSTRUCTIONPPC64_H

#include "lldb/Core/EmulateInstruction.h"
#include "lldb/Interpreter/OptionValue.h"
#include "lldb/Utility/Log.h"

namespace lldb_private {

class EmulateInstructionPPC64 : public EmulateInstruction {
public:
  EmulateInstructionPPC64(const ArchSpec &arch);

static void Initialize();

static void Terminate();

static ConstString GetPluginNameStatic();

static const char *GetPluginDescriptionStatic();

static EmulateInstruction *CreateInstance(const ArchSpec &arch,
                                            InstructionType inst_type);

static bool
  SupportsEmulatingInstructionsOfTypeStatic(InstructionType inst_type) {
    switch (inst_type) {
    case eInstructionTypeAny:
    case eInstructionTypePrologueEpilogue:
      return true;

case eInstructionTypePCModifying:
    case eInstructionTypeAll:
      return false;
    }
    return false;
  }

ConstString GetPluginName() override;

uint32_t GetPluginVersion() override { return 1; }

bool SetTargetTriple(const ArchSpec &arch) override;

bool SupportsEmulatingInstructionsOfType(InstructionType inst_type) override {
    return SupportsEmulatingInstructionsOfTypeStatic(inst_type);
  }

bool ReadInstruction() override;

bool EvaluateInstruction(uint32_t evaluate_options) override;

bool TestEmulation(Stream *out_stream, ArchSpec &arch,
                     OptionValueDictionary *test_data) override {
    return false;
  }

bool GetRegisterInfo(lldb::RegisterKind reg_kind, uint32_t reg_num,
                       RegisterInfo &reg_info) override;

bool CreateFunctionEntryUnwind(UnwindPlan &unwind_plan) override;

private:
  struct Opcode {
    uint32_t mask;
    uint32_t value;
    bool (EmulateInstructionPPC64::*callback)(uint32_t opcode);
    const char *name;
  };

uint32_t m_fp = LLDB_INVALID_REGNUM;

Opcode *GetOpcodeForInstruction(uint32_t opcode);

bool EmulateMFSPR(uint32_t opcode);
  bool EmulateLD(uint32_t opcode);
  bool EmulateSTD(uint32_t opcode);
  bool EmulateOR(uint32_t opcode);
  bool EmulateADDI(uint32_t opcode);
};

} // namespace lldb_private

#endif // LLDB_SOURCE_PLUGINS_INSTRUCTION_PPC64_EMULATEINSTRUCTIONPPC64_H

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