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