contrib/llvm/tools/lldb/source/Plugins/Process/elf-core/RegisterContextPOSIXCore_mips64.cpp

   1 //===-- RegisterContextCorePOSIX_mips64.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/Core/DataExtractor.h"
  11 #include "lldb/Core/RegisterValue.h"
  12 #include "lldb/Target/Thread.h"
  13 #include "RegisterContextPOSIX.h"
  14 #include "RegisterContextPOSIXCore_mips64.h"
  15
  16 using namespace lldb_private;
  17
  18 RegisterContextCorePOSIX_mips64::RegisterContextCorePOSIX_mips64(Thread &thread,
  19                                                                  RegisterInfoInterface *register_info,
  20                                                                  const DataExtractor &gpregset,
  21                                                                  const DataExtractor &fpregset)
  22     : RegisterContextPOSIX_mips64(thread, 0, register_info)
  23 {
  24     m_gpr_buffer.reset(new DataBufferHeap(gpregset.GetDataStart(), gpregset.GetByteSize()));
  25     m_gpr.SetData(m_gpr_buffer);
  26     m_gpr.SetByteOrder(gpregset.GetByteOrder());
  27 }
  28
  29 RegisterContextCorePOSIX_mips64::~RegisterContextCorePOSIX_mips64()
  30 {
  31 }
  32
  33 bool
  34 RegisterContextCorePOSIX_mips64::ReadGPR()
  35 {
  36     return true;
  37 }
  38
  39 bool
  40 RegisterContextCorePOSIX_mips64::ReadFPR()
  41 {
  42     return false;
  43 }
  44
  45 bool
  46 RegisterContextCorePOSIX_mips64::WriteGPR()
  47 {
  48     assert(0);
  49     return false;
  50 }
  51
  52 bool
  53 RegisterContextCorePOSIX_mips64::WriteFPR()
  54 {
  55     assert(0);
  56     return false;
  57 }
  58
  59 bool
  60 RegisterContextCorePOSIX_mips64::ReadRegister(const RegisterInfo *reg_info, RegisterValue &value)
  61 {
  62     lldb::offset_t offset = reg_info->byte_offset;
  63     uint64_t v = m_gpr.GetMaxU64(&offset, reg_info->byte_size);
  64     if (offset == reg_info->byte_offset + reg_info->byte_size)
  65     {
  66         value = v;
  67         return true;
  68     }
  69     return false;
  70 }
  71
  72 bool
  73 RegisterContextCorePOSIX_mips64::ReadAllRegisterValues(lldb::DataBufferSP &data_sp)
  74 {
  75     return false;
  76 }
  77
  78 bool
  79 RegisterContextCorePOSIX_mips64::WriteRegister(const RegisterInfo *reg_info, const RegisterValue &value)
  80 {
  81     return false;
  82 }
  83
  84 bool
  85 RegisterContextCorePOSIX_mips64::WriteAllRegisterValues(const lldb::DataBufferSP &data_sp)
  86 {
  87     return false;
  88 }
  89
  90 bool
  91 RegisterContextCorePOSIX_mips64::HardwareSingleStep(bool enable)
  92 {
  93     return false;
  94 }