1 //===-- RegisterContextLinux_s390x.cpp --------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "RegisterContextLinux_s390x.h"
11 #include "RegisterContextPOSIX_s390x.h"
12 
13 using namespace lldb_private;
14 using namespace lldb;
15 
16 //---------------------------------------------------------------------------
17 // Include RegisterInfos_s390x to declare our g_register_infos_s390x structure.
18 //---------------------------------------------------------------------------
19 #define DECLARE_REGISTER_INFOS_S390X_STRUCT
20 #include "RegisterInfos_s390x.h"
21 #undef DECLARE_REGISTER_INFOS_S390X_STRUCT
22 
23 static const RegisterInfo *GetRegisterInfoPtr(const ArchSpec &target_arch) {
24   switch (target_arch.GetMachine()) {
25   case llvm::Triple::systemz:
26     return g_register_infos_s390x;
27   default:
28     assert(false && "Unhandled target architecture.");
29     return nullptr;
30   }
31 }
32 
33 static uint32_t GetRegisterInfoCount(const ArchSpec &target_arch) {
34   switch (target_arch.GetMachine()) {
35   case llvm::Triple::systemz:
36     return k_num_registers_s390x;
37   default:
38     assert(false && "Unhandled target architecture.");
39     return 0;
40   }
41 }
42 
43 static uint32_t GetUserRegisterInfoCount(const ArchSpec &target_arch) {
44   switch (target_arch.GetMachine()) {
45   case llvm::Triple::systemz:
46     return k_num_user_registers_s390x + k_num_linux_registers_s390x;
47   default:
48     assert(false && "Unhandled target architecture.");
49     return 0;
50   }
51 }
52 
53 RegisterContextLinux_s390x::RegisterContextLinux_s390x(
54     const ArchSpec &target_arch)
55     : lldb_private::RegisterInfoInterface(target_arch),
56       m_register_info_p(GetRegisterInfoPtr(target_arch)),
57       m_register_info_count(GetRegisterInfoCount(target_arch)),
58       m_user_register_count(GetUserRegisterInfoCount(target_arch)) {}
59 
60 const std::vector<lldb_private::RegisterInfo> *
61 RegisterContextLinux_s390x::GetDynamicRegisterInfoP() const {
62   return &d_register_infos;
63 }
64 
65 const RegisterInfo *RegisterContextLinux_s390x::GetRegisterInfo() const {
66   return m_register_info_p;
67 }
68 
69 uint32_t RegisterContextLinux_s390x::GetRegisterCount() const {
70   return m_register_info_count;
71 }
72 
73 uint32_t RegisterContextLinux_s390x::GetUserRegisterCount() const {
74   return m_user_register_count;
75 }
76 
77 size_t RegisterContextLinux_s390x::GetGPRSize() const { return 0; }
78