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//===---EmulateInstructionLoongArch.h--------------------------------------===//
//
// 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_LOONGARCH_EMULATEINSTRUCTIONLOONGARCH_H
#define LLDB_SOURCE_PLUGINS_INSTRUCTION_LOONGARCH_EMULATEINSTRUCTIONLOONGARCH_H
#include "lldb/Core/EmulateInstruction.h"
#include "lldb/Interpreter/OptionValue.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/Status.h"
#include <optional>
namespace lldb_private {
class EmulateInstructionLoongArch : public EmulateInstruction {
public:
static llvm::StringRef GetPluginNameStatic() { return "LoongArch"; }
static llvm::StringRef GetPluginDescriptionStatic() {
return "Emulate instructions for the LoongArch architecture.";
}
static bool SupportsThisInstructionType(InstructionType inst_type) {
return inst_type == eInstructionTypePCModifying;
}
static bool SupportsThisArch(const ArchSpec &arch);
static lldb_private::EmulateInstruction *
CreateInstance(const lldb_private::ArchSpec &arch, InstructionType inst_type);
static void Initialize();
static void Terminate();
public:
EmulateInstructionLoongArch(const ArchSpec &arch) : EmulateInstruction(arch) {
m_arch_subtype = arch.GetMachine();
}
llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
bool SupportsEmulatingInstructionsOfType(InstructionType inst_type) override {
return SupportsThisInstructionType(inst_type);
}
bool SetTargetTriple(const ArchSpec &arch) override;
bool ReadInstruction() override;
bool EvaluateInstruction(uint32_t options) override;
bool TestEmulation(Stream &out_stream, ArchSpec &arch,
OptionValueDictionary *test_data) override;
std::optional<RegisterInfo> GetRegisterInfo(lldb::RegisterKind reg_kind,
uint32_t reg_num) override;
lldb::addr_t ReadPC(bool *success);
bool WritePC(lldb::addr_t pc);
bool IsLoongArch64() { return m_arch_subtype == llvm::Triple::loongarch64; }
bool TestExecute(uint32_t inst);
private:
struct Opcode {
uint32_t mask;
uint32_t value;
bool (EmulateInstructionLoongArch::*callback)(uint32_t opcode);
const char *name;
};
llvm::Triple::ArchType m_arch_subtype;
Opcode *GetOpcodeForInstruction(uint32_t inst);
bool EmulateBEQZ(uint32_t inst);
bool EmulateBNEZ(uint32_t inst);
bool EmulateBCEQZ(uint32_t inst);
bool EmulateBCNEZ(uint32_t inst);
bool EmulateJIRL(uint32_t inst);
bool EmulateB(uint32_t inst);
bool EmulateBL(uint32_t inst);
bool EmulateBEQ(uint32_t inst);
bool EmulateBNE(uint32_t inst);
bool EmulateBLT(uint32_t inst);
bool EmulateBGE(uint32_t inst);
bool EmulateBLTU(uint32_t inst);
bool EmulateBGEU(uint32_t inst);
bool EmulateNonJMP(uint32_t inst);
bool EmulateBEQZ64(uint32_t inst);
bool EmulateBNEZ64(uint32_t inst);
bool EmulateBCEQZ64(uint32_t inst);
bool EmulateBCNEZ64(uint32_t inst);
bool EmulateJIRL64(uint32_t inst);
bool EmulateB64(uint32_t inst);
bool EmulateBL64(uint32_t inst);
bool EmulateBEQ64(uint32_t inst);
bool EmulateBNE64(uint32_t inst);
bool EmulateBLT64(uint32_t inst);
bool EmulateBGE64(uint32_t inst);
bool EmulateBLTU64(uint32_t inst);
bool EmulateBGEU64(uint32_t inst);
};
} // namespace lldb_private
#endif // LLDB_SOURCE_PLUGINS_INSTRUCTION_LOONGARCH_EMULATEINSTRUCTIONLOONGARCH_H
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