contrib/llvm/tools/lldb/source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD.cpp

   1 //===-- NativeRegisterContextNetBSD.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 "NativeRegisterContextNetBSD.h"
  11
  12 #include "lldb/Host/common/NativeProcessProtocol.h"
  13
  14 using namespace lldb_private;
  15 using namespace lldb_private::process_netbsd;
  16
  17 // clang-format off
  18 #include <sys/types.h>
  19 #include <sys/ptrace.h>
  20 // clang-format on
  21
  22 NativeRegisterContextNetBSD::NativeRegisterContextNetBSD(
  23     NativeThreadProtocol &native_thread, uint32_t concrete_frame_idx,
  24     RegisterInfoInterface *reg_info_interface_p)
  25     : NativeRegisterContextRegisterInfo(native_thread, concrete_frame_idx,
  26                                         reg_info_interface_p) {}
  27
  28 Status NativeRegisterContextNetBSD::ReadGPR() {
  29   void *buf = GetGPRBuffer();
  30   if (!buf)
  31     return Status("GPR buffer is NULL");
  32
  33   return DoReadGPR(buf);
  34 }
  35
  36 Status NativeRegisterContextNetBSD::WriteGPR() {
  37   void *buf = GetGPRBuffer();
  38   if (!buf)
  39     return Status("GPR buffer is NULL");
  40
  41   return DoWriteGPR(buf);
  42 }
  43
  44 Status NativeRegisterContextNetBSD::ReadFPR() {
  45   void *buf = GetFPRBuffer();
  46   if (!buf)
  47     return Status("FPR buffer is NULL");
  48
  49   return DoReadFPR(buf);
  50 }
  51
  52 Status NativeRegisterContextNetBSD::WriteFPR() {
  53   void *buf = GetFPRBuffer();
  54   if (!buf)
  55     return Status("FPR buffer is NULL");
  56
  57   return DoWriteFPR(buf);
  58 }
  59
  60 Status NativeRegisterContextNetBSD::ReadDBR() {
  61   void *buf = GetDBRBuffer();
  62   if (!buf)
  63     return Status("DBR buffer is NULL");
  64
  65   return DoReadDBR(buf);
  66 }
  67
  68 Status NativeRegisterContextNetBSD::WriteDBR() {
  69   void *buf = GetDBRBuffer();
  70   if (!buf)
  71     return Status("DBR buffer is NULL");
  72
  73   return DoWriteDBR(buf);
  74 }
  75
  76 Status NativeRegisterContextNetBSD::DoReadGPR(void *buf) {
  77   return NativeProcessNetBSD::PtraceWrapper(PT_GETREGS, GetProcessPid(), buf,
  78                                             m_thread.GetID());
  79 }
  80
  81 Status NativeRegisterContextNetBSD::DoWriteGPR(void *buf) {
  82   return NativeProcessNetBSD::PtraceWrapper(PT_SETREGS, GetProcessPid(), buf,
  83                                             m_thread.GetID());
  84 }
  85
  86 Status NativeRegisterContextNetBSD::DoReadFPR(void *buf) {
  87   return NativeProcessNetBSD::PtraceWrapper(PT_GETFPREGS, GetProcessPid(), buf,
  88                                             m_thread.GetID());
  89 }
  90
  91 Status NativeRegisterContextNetBSD::DoWriteFPR(void *buf) {
  92   return NativeProcessNetBSD::PtraceWrapper(PT_SETFPREGS, GetProcessPid(), buf,
  93                                             m_thread.GetID());
  94 }
  95
  96 Status NativeRegisterContextNetBSD::DoReadDBR(void *buf) {
  97   return NativeProcessNetBSD::PtraceWrapper(PT_GETDBREGS, GetProcessPid(), buf,
  98                                             m_thread.GetID());
  99 }
 100
 101 Status NativeRegisterContextNetBSD::DoWriteDBR(void *buf) {
 102   return NativeProcessNetBSD::PtraceWrapper(PT_SETDBREGS, GetProcessPid(), buf,
 103                                             m_thread.GetID());
 104 }
 105
 106 NativeProcessNetBSD &NativeRegisterContextNetBSD::GetProcess() {
 107   return static_cast<NativeProcessNetBSD &>(m_thread.GetProcess());
 108 }
 109
 110 ::pid_t NativeRegisterContextNetBSD::GetProcessPid() {
 111   return GetProcess().GetID();
 112 }