| //===-- RegisterInfoInterface.h --------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERINFOINTERFACE_H |
| #define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERINFOINTERFACE_H |
| |
| #include "lldb/Utility/ArchSpec.h" |
| #include "lldb/lldb-private-types.h" |
| #include <vector> |
| |
| namespace lldb_private { |
| |
| /// \class RegisterInfoInterface |
| /// |
| /// RegisterInfo interface to patch RegisterInfo structure for archs. |
| class RegisterInfoInterface { |
| public: |
| RegisterInfoInterface(const lldb_private::ArchSpec &target_arch) |
| : m_target_arch(target_arch) {} |
| virtual ~RegisterInfoInterface() = default; |
| |
| virtual size_t GetGPRSize() const = 0; |
| |
| virtual const lldb_private::RegisterInfo *GetRegisterInfo() const = 0; |
| |
| // Returns the number of registers including the user registers and the |
| // lldb internal registers also |
| virtual uint32_t GetRegisterCount() const = 0; |
| |
| // Returns the number of the user registers (excluding the registers |
| // kept for lldb internal use only). Subclasses should override it if |
| // they belongs to an architecture with lldb internal registers. |
| virtual uint32_t GetUserRegisterCount() const { return GetRegisterCount(); } |
| |
| const lldb_private::ArchSpec &GetTargetArchitecture() const { |
| return m_target_arch; |
| } |
| |
| virtual const lldb_private::RegisterInfo * |
| GetDynamicRegisterInfo(const char *reg_name) const { |
| const std::vector<lldb_private::RegisterInfo> *d_register_infos = |
| GetDynamicRegisterInfoP(); |
| if (d_register_infos != nullptr) { |
| std::vector<lldb_private::RegisterInfo>::const_iterator pos = |
| d_register_infos->begin(); |
| for (; pos < d_register_infos->end(); pos++) { |
| if (::strcmp(reg_name, pos->name) == 0) |
| return (d_register_infos->data() + (pos - d_register_infos->begin())); |
| } |
| } |
| return nullptr; |
| } |
| |
| virtual const std::vector<lldb_private::RegisterInfo> * |
| GetDynamicRegisterInfoP() const { |
| return nullptr; |
| } |
| |
| // FIXME make private. |
| lldb_private::ArchSpec m_target_arch; |
| }; |
| } |
| |
| #endif |