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1//===-- ABISysV_loongarch.h -------------------------------------*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLDB_SOURCE_PLUGINS_ABI_LOONGARCH_ABISYSV_LOONGARCH_H10#define LLDB_SOURCE_PLUGINS_ABI_LOONGARCH_ABISYSV_LOONGARCH_H11 12// Other libraries and framework includes13#include "llvm/TargetParser/Triple.h"14 15// Project includes16#include "lldb/Target/ABI.h"17#include "lldb/Target/Process.h"18#include "lldb/Utility/Flags.h"19#include "lldb/lldb-private.h"20 21class ABISysV_loongarch : public lldb_private::RegInfoBasedABI {22public:23 ~ABISysV_loongarch() override = default;24 25 size_t GetRedZoneSize() const override { return 0; }26 27 bool PrepareTrivialCall(lldb_private::Thread &thread, lldb::addr_t sp,28 lldb::addr_t functionAddress,29 lldb::addr_t returnAddress,30 llvm::ArrayRef<lldb::addr_t> args) const override;31 32 bool GetArgumentValues(lldb_private::Thread &thread,33 lldb_private::ValueList &values) const override;34 35 lldb_private::Status36 SetReturnValueObject(lldb::StackFrameSP &frame_sp,37 lldb::ValueObjectSP &new_value) override;38 39 lldb::ValueObjectSP40 GetReturnValueObjectImpl(lldb_private::Thread &thread,41 lldb_private::CompilerType &type) const override;42 43 lldb::UnwindPlanSP CreateFunctionEntryUnwindPlan() override;44 45 lldb::UnwindPlanSP CreateDefaultUnwindPlan() override;46 47 bool RegisterIsVolatile(const lldb_private::RegisterInfo *reg_info) override;48 49 bool CallFrameAddressIsValid(lldb::addr_t cfa) override {50 // The CFA must be 16 byte aligned.51 return (cfa & 0xfull) == 0;52 }53 54 void SetIsLA64(bool is_la64) { m_is_la64 = is_la64; }55 56 bool CodeAddressIsValid(lldb::addr_t pc) override {57 // Code address must be 4 byte aligned.58 if (pc & (4ull - 1ull))59 return false;60 61 return true;62 }63 64 const lldb_private::RegisterInfo *65 GetRegisterInfoArray(uint32_t &count) override;66 67 //------------------------------------------------------------------68 // Static Functions69 //------------------------------------------------------------------70 71 static void Initialize();72 73 static void Terminate();74 75 static lldb::ABISP CreateInstance(lldb::ProcessSP process_sp,76 const lldb_private::ArchSpec &arch);77 78 static llvm::StringRef GetPluginNameStatic() { return "sysv-loongarch"; }79 80 //------------------------------------------------------------------81 // PluginInterface protocol82 //------------------------------------------------------------------83 84 llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }85 86protected:87 void AugmentRegisterInfo(88 std::vector<lldb_private::DynamicRegisterInfo::Register> ®s) override;89 90 bool RegisterIsCalleeSaved(const lldb_private::RegisterInfo *reg_info);91 92private:93 lldb::ValueObjectSP94 GetReturnValueObjectSimple(lldb_private::Thread &thread,95 lldb_private::CompilerType &ast_type) const;96 97 using lldb_private::RegInfoBasedABI::RegInfoBasedABI; // Call CreateInstance98 // instead.99 bool m_is_la64;100};101 102#endif // LLDB_SOURCE_PLUGINS_ABI_LOONGARCH_ABISYSV_LOONGARCH_H103