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1//===-- ABISysV_hexagon.h ----------------------------------------*- C++2//-*-===//3//4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.5// See https://llvm.org/LICENSE.txt for license information.6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception7//8//===----------------------------------------------------------------------===//9 10#ifndef LLDB_SOURCE_PLUGINS_ABI_HEXAGON_ABISYSV_HEXAGON_H11#define LLDB_SOURCE_PLUGINS_ABI_HEXAGON_ABISYSV_HEXAGON_H12 13#include "lldb/Target/ABI.h"14#include "lldb/lldb-private.h"15 16class ABISysV_hexagon : public lldb_private::RegInfoBasedABI {17public:18 ~ABISysV_hexagon() override = default;19 20 size_t GetRedZoneSize() const override;21 22 bool PrepareTrivialCall(lldb_private::Thread &thread, lldb::addr_t sp,23 lldb::addr_t functionAddress,24 lldb::addr_t returnAddress,25 llvm::ArrayRef<lldb::addr_t> args) const override;26 27 // special thread plan for GDB style non-jit function calls28 bool29 PrepareTrivialCall(lldb_private::Thread &thread, lldb::addr_t sp,30 lldb::addr_t functionAddress, lldb::addr_t returnAddress,31 llvm::Type &prototype,32 llvm::ArrayRef<ABI::CallArgument> args) const override;33 34 bool GetArgumentValues(lldb_private::Thread &thread,35 lldb_private::ValueList &values) const override;36 37 lldb_private::Status38 SetReturnValueObject(lldb::StackFrameSP &frame_sp,39 lldb::ValueObjectSP &new_value) override;40 41 lldb::ValueObjectSP42 GetReturnValueObjectImpl(lldb_private::Thread &thread,43 lldb_private::CompilerType &type) const override;44 45 // specialized to work with llvm IR types46 lldb::ValueObjectSP GetReturnValueObjectImpl(lldb_private::Thread &thread,47 llvm::Type &type) const override;48 49 lldb::UnwindPlanSP CreateFunctionEntryUnwindPlan() override;50 51 lldb::UnwindPlanSP CreateDefaultUnwindPlan() override;52 53 bool RegisterIsVolatile(const lldb_private::RegisterInfo *reg_info) override;54 55 bool CallFrameAddressIsValid(lldb::addr_t cfa) override {56 // Make sure the stack call frame addresses are 8 byte aligned57 if (cfa & 0x07)58 return false; // Not 8 byte aligned59 if (cfa == 0)60 return false; // Zero is not a valid stack address61 return true;62 }63 64 bool CodeAddressIsValid(lldb::addr_t pc) override {65 // We have a 64 bit address space, so anything is valid as opcodes66 // aren't fixed width...67 return true;68 }69 70 const lldb_private::RegisterInfo *71 GetRegisterInfoArray(uint32_t &count) override;72 73 // Static Functions74 75 static void Initialize();76 77 static void Terminate();78 79 static lldb::ABISP CreateInstance(lldb::ProcessSP process_sp, const lldb_private::ArchSpec &arch);80 81 static llvm::StringRef GetPluginNameStatic() { return "sysv-hexagon"; }82 83 // PluginInterface protocol84 85 llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }86 87protected:88 void CreateRegisterMapIfNeeded();89 90 lldb::ValueObjectSP91 GetReturnValueObjectSimple(lldb_private::Thread &thread,92 lldb_private::CompilerType &ast_type) const;93 94 bool RegisterIsCalleeSaved(const lldb_private::RegisterInfo *reg_info);95 96private:97 using lldb_private::RegInfoBasedABI::RegInfoBasedABI; // Call CreateInstance instead.98};99 100#endif // LLDB_SOURCE_PLUGINS_ABI_HEXAGON_ABISYSV_HEXAGON_H101