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//===-- 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"
#include <optional>
namespace lldb_private {
class EmulateInstructionPPC64 : public EmulateInstruction {
public:
EmulateInstructionPPC64(const ArchSpec &arch);
static void Initialize();
static void Terminate();
static llvm::StringRef GetPluginNameStatic() { return "ppc64"; }
static llvm::StringRef 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;
}
llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
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;
}
std::optional<RegisterInfo> GetRegisterInfo(lldb::RegisterKind reg_kind,
uint32_t reg_num) 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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