lldb/source/Plugins/Process/Utility/NativeRegisterContextRegisterInfo.cpp

   1 //===-- NativeRegisterContextRegisterInfo.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 "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 }