1 //===-- RegisterInfoPOSIX_riscv64.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_REGISTERINFOPOSIX_RISCV64_H 10 #define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERINFOPOSIX_RISCV64_H 11 12 #include "RegisterInfoAndSetInterface.h" 13 #include "lldb/Target/RegisterContext.h" 14 #include "lldb/Utility/Flags.h" 15 #include "lldb/lldb-private.h" 16 #include <map> 17 18 class RegisterInfoPOSIX_riscv64 19 : public lldb_private::RegisterInfoAndSetInterface { 20 public: 21 enum { GPRegSet = 0 }; 22 23 // RISC-V64 register set mask value 24 enum { 25 eRegsetMaskDefault = 0, 26 eRegsetMaskFP = 1, 27 eRegsetMaskAll = -1, 28 }; 29 30 struct GPR { 31 // note: gpr[0] is pc, not x0 32 uint64_t gpr[32]; 33 }; 34 35 struct FPR { 36 uint64_t fpr[32]; 37 uint32_t fcsr; 38 }; 39 40 struct VPR { 41 // The size should be VLEN*32 in bits, but we don't have VLEN here. 42 void *vpr; 43 }; 44 45 RegisterInfoPOSIX_riscv64(const lldb_private::ArchSpec &target_arch, 46 lldb_private::Flags opt_regsets); 47 48 void AddRegSetGP(); 49 50 void AddRegSetFP(); 51 52 size_t GetGPRSize() const override; 53 54 size_t GetFPRSize() const override; 55 56 const lldb_private::RegisterInfo *GetRegisterInfo() const override; 57 58 uint32_t GetRegisterCount() const override; 59 60 const lldb_private::RegisterSet * 61 GetRegisterSet(size_t reg_set) const override; 62 63 size_t GetRegisterSetCount() const override; 64 65 size_t GetRegisterSetFromRegisterIndex(uint32_t reg_index) const override; 66 67 bool IsFPPresent() const { return m_opt_regsets.AnySet(eRegsetMaskFP); } 68 69 bool IsFPReg(unsigned reg) const; 70 71 private: 72 std::vector<lldb_private::RegisterInfo> m_register_infos; 73 74 std::vector<lldb_private::RegisterSet> m_register_sets; 75 76 // Contains pair of [start, end] register numbers of a register set with start 77 // and end included. 78 std::map<uint32_t, std::pair<uint32_t, uint32_t>> m_per_regset_regnum_range; 79 80 // Register collections to be stored as reference for m_register_sets items 81 std::vector<uint32_t> m_fp_regnum_collection; 82 83 lldb_private::Flags m_opt_regsets; 84 }; 85 86 #endif 87