1 //===-- NativeRegisterContextRegisterInfo.cpp -------------------*- 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 #include "NativeRegisterContextRegisterInfo.h"
10 #include "lldb/lldb-private-forward.h"
11 #include "lldb/lldb-types.h"
12 
13 using namespace lldb_private;
14 
15 NativeRegisterContextRegisterInfo::NativeRegisterContextRegisterInfo(
16     NativeThreadProtocol &thread,
17     RegisterInfoInterface *register_info_interface)
18     : NativeRegisterContext(thread),
19       m_register_info_interface_up(register_info_interface) {
20   assert(register_info_interface && "null register_info_interface");
21 }
22 
23 uint32_t NativeRegisterContextRegisterInfo::GetRegisterCount() const {
24   return m_register_info_interface_up->GetRegisterCount();
25 }
26 
27 uint32_t NativeRegisterContextRegisterInfo::GetUserRegisterCount() const {
28   return m_register_info_interface_up->GetUserRegisterCount();
29 }
30 
31 const RegisterInfo *NativeRegisterContextRegisterInfo::GetRegisterInfoAtIndex(
32     uint32_t reg_index) const {
33   if (reg_index <= GetRegisterCount())
34     return m_register_info_interface_up->GetRegisterInfo() + reg_index;
35   else
36     return nullptr;
37 }
38 
39 const RegisterInfoInterface &
40 NativeRegisterContextRegisterInfo::GetRegisterInfoInterface() const {
41   return *m_register_info_interface_up;
42 }
43