| //===-- RegisterContextPOSIXCore_s390x.cpp ----------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "RegisterContextPOSIXCore_s390x.h" |
| |
| #include "lldb/Core/RegisterValue.h" |
| #include "lldb/Target/Thread.h" |
| #include "lldb/Utility/DataBufferHeap.h" |
| |
| using namespace lldb_private; |
| |
| RegisterContextCorePOSIX_s390x::RegisterContextCorePOSIX_s390x( |
| Thread &thread, RegisterInfoInterface *register_info, |
| const DataExtractor &gpregset, llvm::ArrayRef<CoreNote> notes) |
| : RegisterContextPOSIX_s390x(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()); |
| |
| DataExtractor fpregset = getRegset( |
| notes, register_info->GetTargetArchitecture().GetTriple(), FPR_Desc); |
| m_fpr_buffer.reset( |
| new DataBufferHeap(fpregset.GetDataStart(), fpregset.GetByteSize())); |
| m_fpr.SetData(m_fpr_buffer); |
| m_fpr.SetByteOrder(fpregset.GetByteOrder()); |
| } |
| |
| RegisterContextCorePOSIX_s390x::~RegisterContextCorePOSIX_s390x() {} |
| |
| bool RegisterContextCorePOSIX_s390x::ReadGPR() { return true; } |
| |
| bool RegisterContextCorePOSIX_s390x::ReadFPR() { return true; } |
| |
| bool RegisterContextCorePOSIX_s390x::WriteGPR() { |
| assert(0); |
| return false; |
| } |
| |
| bool RegisterContextCorePOSIX_s390x::WriteFPR() { |
| assert(0); |
| return false; |
| } |
| |
| bool RegisterContextCorePOSIX_s390x::ReadRegister(const RegisterInfo *reg_info, |
| RegisterValue &value) { |
| const uint32_t reg = reg_info->kinds[lldb::eRegisterKindLLDB]; |
| if (reg == LLDB_INVALID_REGNUM) |
| return false; |
| |
| if (IsGPR(reg)) { |
| lldb::offset_t offset = reg_info->byte_offset; |
| uint64_t v = m_gpr.GetMaxU64(&offset, reg_info->byte_size); |
| if (offset == reg_info->byte_offset + reg_info->byte_size) { |
| value.SetUInt(v, reg_info->byte_size); |
| return true; |
| } |
| } |
| |
| if (IsFPR(reg)) { |
| lldb::offset_t offset = reg_info->byte_offset; |
| uint64_t v = m_fpr.GetMaxU64(&offset, reg_info->byte_size); |
| if (offset == reg_info->byte_offset + reg_info->byte_size) { |
| value.SetUInt(v, reg_info->byte_size); |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| bool RegisterContextCorePOSIX_s390x::ReadAllRegisterValues( |
| lldb::DataBufferSP &data_sp) { |
| return false; |
| } |
| |
| bool RegisterContextCorePOSIX_s390x::WriteRegister(const RegisterInfo *reg_info, |
| const RegisterValue &value) { |
| return false; |
| } |
| |
| bool RegisterContextCorePOSIX_s390x::WriteAllRegisterValues( |
| const lldb::DataBufferSP &data_sp) { |
| return false; |
| } |
| |
| bool RegisterContextCorePOSIX_s390x::HardwareSingleStep(bool enable) { |
| return false; |
| } |