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
12using namespace lldb_private;
13using 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
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
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
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
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
57const RegisterInfo *RegisterContextLinux_s390x::GetRegisterInfo() const {
58  return m_register_info_p;
59}
60
61uint32_t RegisterContextLinux_s390x::GetRegisterCount() const {
62  return m_register_info_count;
63}
64
65uint32_t RegisterContextLinux_s390x::GetUserRegisterCount() const {
66  return m_user_register_count;
67}
68
69size_t RegisterContextLinux_s390x::GetGPRSize() const { return 0; }
70