source/Host/common/NativeRegisterContextRegisterInfo.cpp

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