| 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 | |
| 20 | static 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 | |
| 30 | static 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 | |
| 40 | static 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 | |
| 50 | RegisterContextLinux_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 RegisterInfo *RegisterContextLinux_s390x::GetRegisterInfo() const { |
| 58 | return m_register_info_p; |
| 59 | } |
| 60 | |
| 61 | uint32_t RegisterContextLinux_s390x::GetRegisterCount() const { |
| 62 | return m_register_info_count; |
| 63 | } |
| 64 | |
| 65 | uint32_t RegisterContextLinux_s390x::GetUserRegisterCount() const { |
| 66 | return m_user_register_count; |
| 67 | } |
| 68 | |
| 69 | size_t RegisterContextLinux_s390x::GetGPRSize() const { return 0; } |
| 70 |