1 //===-- RegisterContextLinux_s390x.cpp ------------------------------------===// 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 #include "RegisterContextLinux_s390x.h" 10 #include "RegisterContextPOSIX_s390x.h" 11 12 using namespace lldb_private; 13 using namespace lldb; 14 15 // Include RegisterInfos_s390x to declare our g_register_infos_s390x structure. 16 #define DECLARE_REGISTER_INFOS_S390X_STRUCT 17 #include "RegisterInfos_s390x.h" 18 #undef DECLARE_REGISTER_INFOS_S390X_STRUCT 19 GetRegisterInfoPtr(const ArchSpec & target_arch)20static const RegisterInfo *GetRegisterInfoPtr(const ArchSpec &target_arch) { 21 switch (target_arch.GetMachine()) { 22 case llvm::Triple::systemz: 23 return g_register_infos_s390x; 24 default: 25 assert(false && "Unhandled target architecture."); 26 return nullptr; 27 } 28 } 29 GetRegisterInfoCount(const ArchSpec & target_arch)30static uint32_t GetRegisterInfoCount(const ArchSpec &target_arch) { 31 switch (target_arch.GetMachine()) { 32 case llvm::Triple::systemz: 33 return k_num_registers_s390x; 34 default: 35 assert(false && "Unhandled target architecture."); 36 return 0; 37 } 38 } 39 GetUserRegisterInfoCount(const ArchSpec & target_arch)40static uint32_t GetUserRegisterInfoCount(const ArchSpec &target_arch) { 41 switch (target_arch.GetMachine()) { 42 case llvm::Triple::systemz: 43 return k_num_user_registers_s390x + k_num_linux_registers_s390x; 44 default: 45 assert(false && "Unhandled target architecture."); 46 return 0; 47 } 48 } 49 RegisterContextLinux_s390x(const ArchSpec & target_arch)50RegisterContextLinux_s390x::RegisterContextLinux_s390x( 51 const ArchSpec &target_arch) 52 : lldb_private::RegisterInfoInterface(target_arch), 53 m_register_info_p(GetRegisterInfoPtr(target_arch)), 54 m_register_info_count(GetRegisterInfoCount(target_arch)), 55 m_user_register_count(GetUserRegisterInfoCount(target_arch)) {} 56 57 const std::vector<lldb_private::RegisterInfo> * GetDynamicRegisterInfoP() const58RegisterContextLinux_s390x::GetDynamicRegisterInfoP() const { 59 return &d_register_infos; 60 } 61 GetRegisterInfo() const62const RegisterInfo *RegisterContextLinux_s390x::GetRegisterInfo() const { 63 return m_register_info_p; 64 } 65 GetRegisterCount() const66uint32_t RegisterContextLinux_s390x::GetRegisterCount() const { 67 return m_register_info_count; 68 } 69 GetUserRegisterCount() const70uint32_t RegisterContextLinux_s390x::GetUserRegisterCount() const { 71 return m_user_register_count; 72 } 73 GetGPRSize() const74size_t RegisterContextLinux_s390x::GetGPRSize() const { return 0; } 75