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1//===-- ABISysV_mips.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_MIPS_ABISYSV_MIPS_H10#define LLDB_SOURCE_PLUGINS_ABI_MIPS_ABISYSV_MIPS_H11 12#include "lldb/Target/ABI.h"13#include "lldb/lldb-private.h"14 15class ABISysV_mips : public lldb_private::RegInfoBasedABI {16public:17 ~ABISysV_mips() override = default;18 19 size_t GetRedZoneSize() const override;20 21 bool PrepareTrivialCall(lldb_private::Thread &thread, lldb::addr_t sp,22 lldb::addr_t functionAddress,23 lldb::addr_t returnAddress,24 llvm::ArrayRef<lldb::addr_t> args) const override;25 26 bool GetArgumentValues(lldb_private::Thread &thread,27 lldb_private::ValueList &values) const override;28 29 lldb_private::Status30 SetReturnValueObject(lldb::StackFrameSP &frame_sp,31 lldb::ValueObjectSP &new_value) override;32 33 lldb::ValueObjectSP34 GetReturnValueObjectImpl(lldb_private::Thread &thread,35 lldb_private::CompilerType &type) const override;36 37 lldb::UnwindPlanSP CreateFunctionEntryUnwindPlan() override;38 39 lldb::UnwindPlanSP CreateDefaultUnwindPlan() override;40 41 bool RegisterIsVolatile(const lldb_private::RegisterInfo *reg_info) override;42 43 bool IsSoftFloat(uint32_t fp_flag) const;44 45 bool CallFrameAddressIsValid(lldb::addr_t cfa) override {46 // Make sure the stack call frame addresses are 8 byte aligned47 if (cfa & (8ull - 1ull))48 return false; // Not 8 byte aligned49 if (cfa == 0)50 return false; // Zero is not a valid stack address51 return true;52 }53 54 bool CodeAddressIsValid(lldb::addr_t pc) override {55 // Just make sure the address is a valid 32 bit address. Bit zero56 // might be set due to MicroMIPS function calls, so don't enforce alignment.57 return (pc <= UINT32_MAX);58 }59 60 const lldb_private::RegisterInfo *61 GetRegisterInfoArray(uint32_t &count) override;62 63 // Static Functions64 65 static void Initialize();66 67 static void Terminate();68 69 static lldb::ABISP CreateInstance(lldb::ProcessSP process_sp, const lldb_private::ArchSpec &arch);70 71 static llvm::StringRef GetPluginNameStatic() { return "sysv-mips"; }72 73 // PluginInterface protocol74 75 llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }76 77protected:78 void CreateRegisterMapIfNeeded();79 80 lldb::ValueObjectSP81 GetReturnValueObjectSimple(lldb_private::Thread &thread,82 lldb_private::CompilerType &ast_type) const;83 84 bool RegisterIsCalleeSaved(const lldb_private::RegisterInfo *reg_info);85 86private:87 using lldb_private::RegInfoBasedABI::RegInfoBasedABI; // Call CreateInstance instead.88};89 90#endif // LLDB_SOURCE_PLUGINS_ABI_MIPS_ABISYSV_MIPS_H91