1//===-- RegisterInfoInterface.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-exception 6// 7//===----------------------------------------------------------------------===// 8 9#ifndef lldb_RegisterInfoInterface_h 10#define lldb_RegisterInfoInterface_h 11 12#include "lldb/Utility/ArchSpec.h" 13#include "lldb/lldb-private-types.h" 14#include <vector> 15 16namespace lldb_private { 17 18/// \class RegisterInfoInterface 19/// 20/// RegisterInfo interface to patch RegisterInfo structure for archs. 21class RegisterInfoInterface { 22public: 23 RegisterInfoInterface(const lldb_private::ArchSpec &target_arch) 24 : m_target_arch(target_arch) {} 25 virtual ~RegisterInfoInterface() {} 26 27 virtual size_t GetGPRSize() const = 0; 28 29 virtual const lldb_private::RegisterInfo *GetRegisterInfo() const = 0; 30 31 // Returns the number of registers including the user registers and the 32 // lldb internal registers also 33 virtual uint32_t GetRegisterCount() const = 0; 34 35 // Returns the number of the user registers (excluding the registers 36 // kept for lldb internal use only). Subclasses should override it if 37 // they belongs to an architecture with lldb internal registers. 38 virtual uint32_t GetUserRegisterCount() const { return GetRegisterCount(); } 39 40 const lldb_private::ArchSpec &GetTargetArchitecture() const { 41 return m_target_arch; 42 } 43 44 virtual const lldb_private::RegisterInfo * 45 GetDynamicRegisterInfo(const char *reg_name) const { 46 const std::vector<lldb_private::RegisterInfo> *d_register_infos = 47 GetDynamicRegisterInfoP(); 48 if (d_register_infos != nullptr) { 49 std::vector<lldb_private::RegisterInfo>::const_iterator pos = 50 d_register_infos->begin(); 51 for (; pos < d_register_infos->end(); pos++) { 52 if (::strcmp(reg_name, pos->name) == 0) 53 return (d_register_infos->data() + (pos - d_register_infos->begin())); 54 } 55 } 56 return nullptr; 57 } 58 59 virtual const std::vector<lldb_private::RegisterInfo> * 60 GetDynamicRegisterInfoP() const { 61 return nullptr; 62 } 63 64public: 65 // FIXME make private. 66 lldb_private::ArchSpec m_target_arch; 67}; 68} 69 70#endif 71