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//===-- RegisterContextCorePOSIX_powerpc.cpp ---------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Core/DataExtractor.h"
#include "lldb/Core/RegisterValue.h"
#include "lldb/Target/Thread.h"
#include "RegisterContextPOSIX.h"
#include "RegisterContextPOSIXCore_powerpc.h"
using namespace lldb_private;
RegisterContextCorePOSIX_powerpc::RegisterContextCorePOSIX_powerpc(Thread &thread,
RegisterInfoInterface *register_info,
const DataExtractor &gpregset,
const DataExtractor &fpregset,
const DataExtractor &vregset)
: RegisterContextPOSIX_powerpc(thread, 0, register_info)
{
m_gpr_buffer.reset(new DataBufferHeap(gpregset.GetDataStart(), gpregset.GetByteSize()));
m_gpr.SetData(m_gpr_buffer);
m_gpr.SetByteOrder(gpregset.GetByteOrder());
m_fpr_buffer.reset(new DataBufferHeap(fpregset.GetDataStart(), fpregset.GetByteSize()));
m_fpr.SetData(m_fpr_buffer);
m_fpr.SetByteOrder(fpregset.GetByteOrder());
m_vec_buffer.reset(new DataBufferHeap(vregset.GetDataStart(), vregset.GetByteSize()));
m_vec.SetData(m_vec_buffer);
m_vec.SetByteOrder(fpregset.GetByteOrder());
}
RegisterContextCorePOSIX_powerpc::~RegisterContextCorePOSIX_powerpc()
{
}
bool
RegisterContextCorePOSIX_powerpc::ReadGPR()
{
return true;
}
bool
RegisterContextCorePOSIX_powerpc::ReadFPR()
{
return true;
}
bool
RegisterContextCorePOSIX_powerpc::ReadVMX()
{
return true;
}
bool
RegisterContextCorePOSIX_powerpc::WriteGPR()
{
assert(0);
return false;
}
bool
RegisterContextCorePOSIX_powerpc::WriteFPR()
{
assert(0);
return false;
}
bool
RegisterContextCorePOSIX_powerpc::WriteVMX()
{
assert(0);
return false;
}
bool
RegisterContextCorePOSIX_powerpc::ReadRegister(const RegisterInfo *reg_info, RegisterValue &value)
{
lldb::offset_t offset = reg_info->byte_offset;
if (IsFPR(reg_info->kinds[lldb::eRegisterKindLLDB])) {
uint64_t v = m_fpr.GetMaxU64(&offset, reg_info->byte_size);
if (offset == reg_info->byte_offset + reg_info->byte_size)
{
value = v;
return true;
}
} else if (IsVMX(reg_info->kinds[lldb::eRegisterKindLLDB])) {
uint32_t v[4];
offset = m_vec.CopyData(offset, reg_info->byte_size, &v);
if (offset == reg_info->byte_size)
{
value.SetBytes(v, reg_info->byte_size, m_vec.GetByteOrder());
return true;
}
} else {
uint64_t v = m_gpr.GetMaxU64(&offset, reg_info->byte_size);
if (offset == reg_info->byte_offset + reg_info->byte_size)
{
if (reg_info->byte_size < sizeof(v))
value = (uint32_t)v;
else
value = v;
return true;
}
}
return false;
}
bool
RegisterContextCorePOSIX_powerpc::ReadAllRegisterValues(lldb::DataBufferSP &data_sp)
{
return false;
}
bool
RegisterContextCorePOSIX_powerpc::WriteRegister(const RegisterInfo *reg_info, const RegisterValue &value)
{
return false;
}
bool
RegisterContextCorePOSIX_powerpc::WriteAllRegisterValues(const lldb::DataBufferSP &data_sp)
{
return false;
}
bool
RegisterContextCorePOSIX_powerpc::HardwareSingleStep(bool enable)
{
return false;
}
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