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_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERINFOINTERFACE_H 10 #define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERINFOINTERFACE_H 11 12 #include "lldb/Utility/ArchSpec.h" 13 #include "lldb/lldb-private-types.h" 14 #include <vector> 15 16 namespace lldb_private { 17 18 /// \class RegisterInfoInterface 19 /// 20 /// RegisterInfo interface to patch RegisterInfo structure for archs. 21 class RegisterInfoInterface { 22 public: RegisterInfoInterface(const lldb_private::ArchSpec & target_arch)23 RegisterInfoInterface(const lldb_private::ArchSpec &target_arch) 24 : m_target_arch(target_arch) {} ~RegisterInfoInterface()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. GetUserRegisterCount()38 virtual uint32_t GetUserRegisterCount() const { return GetRegisterCount(); } 39 GetTargetArchitecture()40 const lldb_private::ArchSpec &GetTargetArchitecture() const { 41 return m_target_arch; 42 } 43 44 virtual const lldb_private::RegisterInfo * GetDynamicRegisterInfo(const char * reg_name)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> * GetDynamicRegisterInfoP()60 GetDynamicRegisterInfoP() const { 61 return nullptr; 62 } 63 64 // FIXME make private. 65 lldb_private::ArchSpec m_target_arch; 66 }; 67 } 68 69 #endif 70