| //===-- GDBRemoteRegisterContext.cpp ----------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "GDBRemoteRegisterContext.h" |
| |
| // C Includes |
| // C++ Includes |
| // Other libraries and framework includes |
| #include "lldb/Core/DataBufferHeap.h" |
| #include "lldb/Core/DataExtractor.h" |
| #include "lldb/Core/RegisterValue.h" |
| #include "lldb/Core/Scalar.h" |
| #include "lldb/Core/StreamString.h" |
| #include "lldb/Target/ExecutionContext.h" |
| #include "lldb/Utility/Utils.h" |
| // Project includes |
| #include "Utility/StringExtractorGDBRemote.h" |
| #include "ProcessGDBRemote.h" |
| #include "ProcessGDBRemoteLog.h" |
| #include "ThreadGDBRemote.h" |
| #include "Utility/ARM_GCC_Registers.h" |
| #include "Utility/ARM_DWARF_Registers.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| //---------------------------------------------------------------------- |
| // GDBRemoteRegisterContext constructor |
| //---------------------------------------------------------------------- |
| GDBRemoteRegisterContext::GDBRemoteRegisterContext |
| ( |
| ThreadGDBRemote &thread, |
| uint32_t concrete_frame_idx, |
| GDBRemoteDynamicRegisterInfo ®_info, |
| bool read_all_at_once |
| ) : |
| RegisterContext (thread, concrete_frame_idx), |
| m_reg_info (reg_info), |
| m_reg_valid (), |
| m_reg_data (), |
| m_read_all_at_once (read_all_at_once) |
| { |
| // Resize our vector of bools to contain one bool for every register. |
| // We will use these boolean values to know when a register value |
| // is valid in m_reg_data. |
| m_reg_valid.resize (reg_info.GetNumRegisters()); |
| |
| // Make a heap based buffer that is big enough to store all registers |
| DataBufferSP reg_data_sp(new DataBufferHeap (reg_info.GetRegisterDataByteSize(), 0)); |
| m_reg_data.SetData (reg_data_sp); |
| |
| } |
| |
| //---------------------------------------------------------------------- |
| // Destructor |
| //---------------------------------------------------------------------- |
| GDBRemoteRegisterContext::~GDBRemoteRegisterContext() |
| { |
| } |
| |
| void |
| GDBRemoteRegisterContext::InvalidateAllRegisters () |
| { |
| SetAllRegisterValid (false); |
| } |
| |
| void |
| GDBRemoteRegisterContext::SetAllRegisterValid (bool b) |
| { |
| std::vector<bool>::iterator pos, end = m_reg_valid.end(); |
| for (pos = m_reg_valid.begin(); pos != end; ++pos) |
| *pos = b; |
| } |
| |
| size_t |
| GDBRemoteRegisterContext::GetRegisterCount () |
| { |
| return m_reg_info.GetNumRegisters (); |
| } |
| |
| const RegisterInfo * |
| GDBRemoteRegisterContext::GetRegisterInfoAtIndex (size_t reg) |
| { |
| return m_reg_info.GetRegisterInfoAtIndex (reg); |
| } |
| |
| size_t |
| GDBRemoteRegisterContext::GetRegisterSetCount () |
| { |
| return m_reg_info.GetNumRegisterSets (); |
| } |
| |
| |
| |
| const RegisterSet * |
| GDBRemoteRegisterContext::GetRegisterSet (size_t reg_set) |
| { |
| return m_reg_info.GetRegisterSet (reg_set); |
| } |
| |
| |
| |
| bool |
| GDBRemoteRegisterContext::ReadRegister (const RegisterInfo *reg_info, RegisterValue &value) |
| { |
| // Read the register |
| if (ReadRegisterBytes (reg_info, m_reg_data)) |
| { |
| const bool partial_data_ok = false; |
| Error error (value.SetValueFromData(reg_info, m_reg_data, reg_info->byte_offset, partial_data_ok)); |
| return error.Success(); |
| } |
| return false; |
| } |
| |
| bool |
| GDBRemoteRegisterContext::PrivateSetRegisterValue (uint32_t reg, StringExtractor &response) |
| { |
| const RegisterInfo *reg_info = GetRegisterInfoAtIndex (reg); |
| if (reg_info == NULL) |
| return false; |
| |
| // Invalidate if needed |
| InvalidateIfNeeded(false); |
| |
| const uint32_t reg_byte_size = reg_info->byte_size; |
| const size_t bytes_copied = response.GetHexBytes (const_cast<uint8_t*>(m_reg_data.PeekData(reg_info->byte_offset, reg_byte_size)), reg_byte_size, '\xcc'); |
| bool success = bytes_copied == reg_byte_size; |
| if (success) |
| { |
| SetRegisterIsValid(reg, true); |
| } |
| else if (bytes_copied > 0) |
| { |
| // Only set register is valid to false if we copied some bytes, else |
| // leave it as it was. |
| SetRegisterIsValid(reg, false); |
| } |
| return success; |
| } |
| |
| // Helper function for GDBRemoteRegisterContext::ReadRegisterBytes(). |
| bool |
| GDBRemoteRegisterContext::GetPrimordialRegister(const lldb_private::RegisterInfo *reg_info, |
| GDBRemoteCommunicationClient &gdb_comm) |
| { |
| char packet[64]; |
| StringExtractorGDBRemote response; |
| int packet_len = 0; |
| const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; |
| if (gdb_comm.GetThreadSuffixSupported()) |
| packet_len = ::snprintf (packet, sizeof(packet), "p%x;thread:%4.4" PRIx64 ";", reg, m_thread.GetProtocolID()); |
| else |
| packet_len = ::snprintf (packet, sizeof(packet), "p%x", reg); |
| assert (packet_len < (sizeof(packet) - 1)); |
| if (gdb_comm.SendPacketAndWaitForResponse(packet, response, false)) |
| return PrivateSetRegisterValue (reg, response); |
| |
| return false; |
| } |
| bool |
| GDBRemoteRegisterContext::ReadRegisterBytes (const RegisterInfo *reg_info, DataExtractor &data) |
| { |
| ExecutionContext exe_ctx (CalculateThread()); |
| |
| Process *process = exe_ctx.GetProcessPtr(); |
| Thread *thread = exe_ctx.GetThreadPtr(); |
| if (process == NULL || thread == NULL) |
| return false; |
| |
| GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); |
| |
| InvalidateIfNeeded(false); |
| |
| const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; |
| |
| if (!GetRegisterIsValid(reg)) |
| { |
| Mutex::Locker locker; |
| if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence mutex for read register.")) |
| { |
| const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); |
| ProcessSP process_sp (m_thread.GetProcess()); |
| if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetProtocolID())) |
| { |
| char packet[64]; |
| StringExtractorGDBRemote response; |
| int packet_len = 0; |
| if (m_read_all_at_once) |
| { |
| // Get all registers in one packet |
| if (thread_suffix_supported) |
| packet_len = ::snprintf (packet, sizeof(packet), "g;thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); |
| else |
| packet_len = ::snprintf (packet, sizeof(packet), "g"); |
| assert (packet_len < (sizeof(packet) - 1)); |
| if (gdb_comm.SendPacketAndWaitForResponse(packet, response, false)) |
| { |
| if (response.IsNormalResponse()) |
| if (response.GetHexBytes ((void *)m_reg_data.GetDataStart(), m_reg_data.GetByteSize(), '\xcc') == m_reg_data.GetByteSize()) |
| SetAllRegisterValid (true); |
| } |
| } |
| else if (reg_info->value_regs) |
| { |
| // Process this composite register request by delegating to the constituent |
| // primordial registers. |
| |
| // Index of the primordial register. |
| bool success = true; |
| for (uint32_t idx = 0; success; ++idx) |
| { |
| const uint32_t prim_reg = reg_info->value_regs[idx]; |
| if (prim_reg == LLDB_INVALID_REGNUM) |
| break; |
| // We have a valid primordial regsiter as our constituent. |
| // Grab the corresponding register info. |
| const RegisterInfo *prim_reg_info = GetRegisterInfoAtIndex(prim_reg); |
| if (prim_reg_info == NULL) |
| success = false; |
| else |
| { |
| // Read the containing register if it hasn't already been read |
| if (!GetRegisterIsValid(prim_reg)) |
| success = GetPrimordialRegister(prim_reg_info, gdb_comm); |
| } |
| } |
| |
| if (success) |
| { |
| // If we reach this point, all primordial register requests have succeeded. |
| // Validate this composite register. |
| SetRegisterIsValid (reg_info, true); |
| } |
| } |
| else |
| { |
| // Get each register individually |
| GetPrimordialRegister(reg_info, gdb_comm); |
| } |
| } |
| } |
| else |
| { |
| #if LLDB_CONFIGURATION_DEBUG |
| StreamString strm; |
| gdb_comm.DumpHistory(strm); |
| Host::SetCrashDescription (strm.GetData()); |
| assert (!"Didn't get sequence mutex for read register."); |
| #else |
| Log *log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); |
| if (log) |
| { |
| if (log->GetVerbose()) |
| { |
| StreamString strm; |
| gdb_comm.DumpHistory(strm); |
| log->Printf("error: failed to get packet sequence mutex, not sending read register for \"%s\":\n%s", reg_info->name, strm.GetData()); |
| } |
| else |
| { |
| log->Printf("error: failed to get packet sequence mutex, not sending read register for \"%s\"", reg_info->name); |
| } |
| } |
| #endif |
| } |
| |
| // Make sure we got a valid register value after reading it |
| if (!GetRegisterIsValid(reg)) |
| return false; |
| } |
| |
| if (&data != &m_reg_data) |
| { |
| // If we aren't extracting into our own buffer (which |
| // only happens when this function is called from |
| // ReadRegisterValue(uint32_t, Scalar&)) then |
| // we transfer bytes from our buffer into the data |
| // buffer that was passed in |
| data.SetByteOrder (m_reg_data.GetByteOrder()); |
| data.SetData (m_reg_data, reg_info->byte_offset, reg_info->byte_size); |
| } |
| return true; |
| } |
| |
| bool |
| GDBRemoteRegisterContext::WriteRegister (const RegisterInfo *reg_info, |
| const RegisterValue &value) |
| { |
| DataExtractor data; |
| if (value.GetData (data)) |
| return WriteRegisterBytes (reg_info, data, 0); |
| return false; |
| } |
| |
| // Helper function for GDBRemoteRegisterContext::WriteRegisterBytes(). |
| bool |
| GDBRemoteRegisterContext::SetPrimordialRegister(const lldb_private::RegisterInfo *reg_info, |
| GDBRemoteCommunicationClient &gdb_comm) |
| { |
| StreamString packet; |
| StringExtractorGDBRemote response; |
| const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; |
| packet.Printf ("P%x=", reg); |
| packet.PutBytesAsRawHex8 (m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size), |
| reg_info->byte_size, |
| lldb::endian::InlHostByteOrder(), |
| lldb::endian::InlHostByteOrder()); |
| |
| if (gdb_comm.GetThreadSuffixSupported()) |
| packet.Printf (";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); |
| |
| // Invalidate just this register |
| SetRegisterIsValid(reg, false); |
| if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), |
| packet.GetString().size(), |
| response, |
| false)) |
| { |
| if (response.IsOKResponse()) |
| return true; |
| } |
| return false; |
| } |
| |
| void |
| GDBRemoteRegisterContext::SyncThreadState(Process *process) |
| { |
| // NB. We assume our caller has locked the sequence mutex. |
| |
| GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *) process)->GetGDBRemote()); |
| if (!gdb_comm.GetSyncThreadStateSupported()) |
| return; |
| |
| StreamString packet; |
| StringExtractorGDBRemote response; |
| packet.Printf ("QSyncThreadState:%4.4" PRIx64 ";", m_thread.GetProtocolID()); |
| if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), |
| packet.GetString().size(), |
| response, |
| false)) |
| { |
| if (response.IsOKResponse()) |
| InvalidateAllRegisters(); |
| } |
| } |
| |
| bool |
| GDBRemoteRegisterContext::WriteRegisterBytes (const lldb_private::RegisterInfo *reg_info, DataExtractor &data, uint32_t data_offset) |
| { |
| ExecutionContext exe_ctx (CalculateThread()); |
| |
| Process *process = exe_ctx.GetProcessPtr(); |
| Thread *thread = exe_ctx.GetThreadPtr(); |
| if (process == NULL || thread == NULL) |
| return false; |
| |
| GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); |
| // FIXME: This check isn't right because IsRunning checks the Public state, but this |
| // is work you need to do - for instance in ShouldStop & friends - before the public |
| // state has been changed. |
| // if (gdb_comm.IsRunning()) |
| // return false; |
| |
| // Grab a pointer to where we are going to put this register |
| uint8_t *dst = const_cast<uint8_t*>(m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size)); |
| |
| if (dst == NULL) |
| return false; |
| |
| |
| if (data.CopyByteOrderedData (data_offset, // src offset |
| reg_info->byte_size, // src length |
| dst, // dst |
| reg_info->byte_size, // dst length |
| m_reg_data.GetByteOrder())) // dst byte order |
| { |
| Mutex::Locker locker; |
| if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence mutex for write register.")) |
| { |
| const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); |
| ProcessSP process_sp (m_thread.GetProcess()); |
| if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetProtocolID())) |
| { |
| StreamString packet; |
| StringExtractorGDBRemote response; |
| |
| if (m_read_all_at_once) |
| { |
| // Set all registers in one packet |
| packet.PutChar ('G'); |
| packet.PutBytesAsRawHex8 (m_reg_data.GetDataStart(), |
| m_reg_data.GetByteSize(), |
| lldb::endian::InlHostByteOrder(), |
| lldb::endian::InlHostByteOrder()); |
| |
| if (thread_suffix_supported) |
| packet.Printf (";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); |
| |
| // Invalidate all register values |
| InvalidateIfNeeded (true); |
| |
| if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), |
| packet.GetString().size(), |
| response, |
| false)) |
| { |
| SetAllRegisterValid (false); |
| if (response.IsOKResponse()) |
| { |
| return true; |
| } |
| } |
| } |
| else |
| { |
| bool success = true; |
| |
| if (reg_info->value_regs) |
| { |
| // This register is part of another register. In this case we read the actual |
| // register data for any "value_regs", and once all that data is read, we will |
| // have enough data in our register context bytes for the value of this register |
| |
| // Invalidate this composite register first. |
| |
| for (uint32_t idx = 0; success; ++idx) |
| { |
| const uint32_t reg = reg_info->value_regs[idx]; |
| if (reg == LLDB_INVALID_REGNUM) |
| break; |
| // We have a valid primordial regsiter as our constituent. |
| // Grab the corresponding register info. |
| const RegisterInfo *value_reg_info = GetRegisterInfoAtIndex(reg); |
| if (value_reg_info == NULL) |
| success = false; |
| else |
| success = SetPrimordialRegister(value_reg_info, gdb_comm); |
| } |
| } |
| else |
| { |
| // This is an actual register, write it |
| success = SetPrimordialRegister(reg_info, gdb_comm); |
| } |
| |
| // Check if writing this register will invalidate any other register values? |
| // If so, invalidate them |
| if (reg_info->invalidate_regs) |
| { |
| for (uint32_t idx = 0, reg = reg_info->invalidate_regs[0]; |
| reg != LLDB_INVALID_REGNUM; |
| reg = reg_info->invalidate_regs[++idx]) |
| { |
| SetRegisterIsValid(reg, false); |
| } |
| } |
| |
| return success; |
| } |
| } |
| } |
| else |
| { |
| Log *log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); |
| if (log) |
| { |
| if (log->GetVerbose()) |
| { |
| StreamString strm; |
| gdb_comm.DumpHistory(strm); |
| log->Printf("error: failed to get packet sequence mutex, not sending write register for \"%s\":\n%s", reg_info->name, strm.GetData()); |
| } |
| else |
| log->Printf("error: failed to get packet sequence mutex, not sending write register for \"%s\"", reg_info->name); |
| } |
| } |
| } |
| return false; |
| } |
| |
| |
| bool |
| GDBRemoteRegisterContext::ReadAllRegisterValues (lldb::DataBufferSP &data_sp) |
| { |
| ExecutionContext exe_ctx (CalculateThread()); |
| |
| Process *process = exe_ctx.GetProcessPtr(); |
| Thread *thread = exe_ctx.GetThreadPtr(); |
| if (process == NULL || thread == NULL) |
| return false; |
| |
| GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); |
| |
| StringExtractorGDBRemote response; |
| |
| Mutex::Locker locker; |
| if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence mutex for read all registers.")) |
| { |
| SyncThreadState(process); |
| |
| char packet[32]; |
| const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); |
| ProcessSP process_sp (m_thread.GetProcess()); |
| if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetProtocolID())) |
| { |
| int packet_len = 0; |
| if (thread_suffix_supported) |
| packet_len = ::snprintf (packet, sizeof(packet), "g;thread:%4.4" PRIx64, m_thread.GetProtocolID()); |
| else |
| packet_len = ::snprintf (packet, sizeof(packet), "g"); |
| assert (packet_len < (sizeof(packet) - 1)); |
| |
| if (gdb_comm.SendPacketAndWaitForResponse(packet, packet_len, response, false)) |
| { |
| if (response.IsErrorResponse()) |
| return false; |
| |
| std::string &response_str = response.GetStringRef(); |
| if (isxdigit(response_str[0])) |
| { |
| response_str.insert(0, 1, 'G'); |
| if (thread_suffix_supported) |
| { |
| char thread_id_cstr[64]; |
| ::snprintf (thread_id_cstr, sizeof(thread_id_cstr), ";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); |
| response_str.append (thread_id_cstr); |
| } |
| data_sp.reset (new DataBufferHeap (response_str.c_str(), response_str.size())); |
| return true; |
| } |
| } |
| } |
| } |
| else |
| { |
| Log *log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); |
| if (log) |
| { |
| if (log->GetVerbose()) |
| { |
| StreamString strm; |
| gdb_comm.DumpHistory(strm); |
| log->Printf("error: failed to get packet sequence mutex, not sending read all registers:\n%s", strm.GetData()); |
| } |
| else |
| log->Printf("error: failed to get packet sequence mutex, not sending read all registers"); |
| } |
| } |
| |
| data_sp.reset(); |
| return false; |
| } |
| |
| bool |
| GDBRemoteRegisterContext::WriteAllRegisterValues (const lldb::DataBufferSP &data_sp) |
| { |
| if (!data_sp || data_sp->GetBytes() == NULL || data_sp->GetByteSize() == 0) |
| return false; |
| |
| ExecutionContext exe_ctx (CalculateThread()); |
| |
| Process *process = exe_ctx.GetProcessPtr(); |
| Thread *thread = exe_ctx.GetThreadPtr(); |
| if (process == NULL || thread == NULL) |
| return false; |
| |
| GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); |
| |
| StringExtractorGDBRemote response; |
| Mutex::Locker locker; |
| if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence mutex for write all registers.")) |
| { |
| const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); |
| ProcessSP process_sp (m_thread.GetProcess()); |
| if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetProtocolID())) |
| { |
| // The data_sp contains the entire G response packet including the |
| // G, and if the thread suffix is supported, it has the thread suffix |
| // as well. |
| const char *G_packet = (const char *)data_sp->GetBytes(); |
| size_t G_packet_len = data_sp->GetByteSize(); |
| if (gdb_comm.SendPacketAndWaitForResponse (G_packet, |
| G_packet_len, |
| response, |
| false)) |
| { |
| if (response.IsOKResponse()) |
| return true; |
| else if (response.IsErrorResponse()) |
| { |
| uint32_t num_restored = 0; |
| // We need to manually go through all of the registers and |
| // restore them manually |
| |
| response.GetStringRef().assign (G_packet, G_packet_len); |
| response.SetFilePos(1); // Skip the leading 'G' |
| DataBufferHeap buffer (m_reg_data.GetByteSize(), 0); |
| DataExtractor restore_data (buffer.GetBytes(), |
| buffer.GetByteSize(), |
| m_reg_data.GetByteOrder(), |
| m_reg_data.GetAddressByteSize()); |
| |
| const uint32_t bytes_extracted = response.GetHexBytes ((void *)restore_data.GetDataStart(), |
| restore_data.GetByteSize(), |
| '\xcc'); |
| |
| if (bytes_extracted < restore_data.GetByteSize()) |
| restore_data.SetData(restore_data.GetDataStart(), bytes_extracted, m_reg_data.GetByteOrder()); |
| |
| //ReadRegisterBytes (const RegisterInfo *reg_info, RegisterValue &value, DataExtractor &data) |
| const RegisterInfo *reg_info; |
| // We have to march the offset of each register along in the |
| // buffer to make sure we get the right offset. |
| uint32_t reg_byte_offset = 0; |
| for (uint32_t reg_idx=0; (reg_info = GetRegisterInfoAtIndex (reg_idx)) != NULL; ++reg_idx, reg_byte_offset += reg_info->byte_size) |
| { |
| const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; |
| |
| // Skip composite registers. |
| if (reg_info->value_regs) |
| continue; |
| |
| // Only write down the registers that need to be written |
| // if we are going to be doing registers individually. |
| bool write_reg = true; |
| const uint32_t reg_byte_size = reg_info->byte_size; |
| |
| const char *restore_src = (const char *)restore_data.PeekData(reg_byte_offset, reg_byte_size); |
| if (restore_src) |
| { |
| if (GetRegisterIsValid(reg)) |
| { |
| const char *current_src = (const char *)m_reg_data.PeekData(reg_byte_offset, reg_byte_size); |
| if (current_src) |
| write_reg = memcmp (current_src, restore_src, reg_byte_size) != 0; |
| } |
| |
| if (write_reg) |
| { |
| StreamString packet; |
| packet.Printf ("P%x=", reg); |
| packet.PutBytesAsRawHex8 (restore_src, |
| reg_byte_size, |
| lldb::endian::InlHostByteOrder(), |
| lldb::endian::InlHostByteOrder()); |
| |
| if (thread_suffix_supported) |
| packet.Printf (";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); |
| |
| SetRegisterIsValid(reg, false); |
| if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), |
| packet.GetString().size(), |
| response, |
| false)) |
| { |
| if (response.IsOKResponse()) |
| ++num_restored; |
| } |
| } |
| } |
| } |
| return num_restored > 0; |
| } |
| } |
| } |
| } |
| else |
| { |
| Log *log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); |
| if (log) |
| { |
| if (log->GetVerbose()) |
| { |
| StreamString strm; |
| gdb_comm.DumpHistory(strm); |
| log->Printf("error: failed to get packet sequence mutex, not sending write all registers:\n%s", strm.GetData()); |
| } |
| else |
| log->Printf("error: failed to get packet sequence mutex, not sending write all registers"); |
| } |
| } |
| return false; |
| } |
| |
| |
| uint32_t |
| GDBRemoteRegisterContext::ConvertRegisterKindToRegisterNumber (uint32_t kind, uint32_t num) |
| { |
| return m_reg_info.ConvertRegisterKindToRegisterNumber (kind, num); |
| } |
| |
| void |
| GDBRemoteDynamicRegisterInfo::HardcodeARMRegisters(bool from_scratch) |
| { |
| // For Advanced SIMD and VFP register mapping. |
| static uint32_t g_d0_regs[] = { 26, 27, LLDB_INVALID_REGNUM }; // (s0, s1) |
| static uint32_t g_d1_regs[] = { 28, 29, LLDB_INVALID_REGNUM }; // (s2, s3) |
| static uint32_t g_d2_regs[] = { 30, 31, LLDB_INVALID_REGNUM }; // (s4, s5) |
| static uint32_t g_d3_regs[] = { 32, 33, LLDB_INVALID_REGNUM }; // (s6, s7) |
| static uint32_t g_d4_regs[] = { 34, 35, LLDB_INVALID_REGNUM }; // (s8, s9) |
| static uint32_t g_d5_regs[] = { 36, 37, LLDB_INVALID_REGNUM }; // (s10, s11) |
| static uint32_t g_d6_regs[] = { 38, 39, LLDB_INVALID_REGNUM }; // (s12, s13) |
| static uint32_t g_d7_regs[] = { 40, 41, LLDB_INVALID_REGNUM }; // (s14, s15) |
| static uint32_t g_d8_regs[] = { 42, 43, LLDB_INVALID_REGNUM }; // (s16, s17) |
| static uint32_t g_d9_regs[] = { 44, 45, LLDB_INVALID_REGNUM }; // (s18, s19) |
| static uint32_t g_d10_regs[] = { 46, 47, LLDB_INVALID_REGNUM }; // (s20, s21) |
| static uint32_t g_d11_regs[] = { 48, 49, LLDB_INVALID_REGNUM }; // (s22, s23) |
| static uint32_t g_d12_regs[] = { 50, 51, LLDB_INVALID_REGNUM }; // (s24, s25) |
| static uint32_t g_d13_regs[] = { 52, 53, LLDB_INVALID_REGNUM }; // (s26, s27) |
| static uint32_t g_d14_regs[] = { 54, 55, LLDB_INVALID_REGNUM }; // (s28, s29) |
| static uint32_t g_d15_regs[] = { 56, 57, LLDB_INVALID_REGNUM }; // (s30, s31) |
| static uint32_t g_q0_regs[] = { 26, 27, 28, 29, LLDB_INVALID_REGNUM }; // (d0, d1) -> (s0, s1, s2, s3) |
| static uint32_t g_q1_regs[] = { 30, 31, 32, 33, LLDB_INVALID_REGNUM }; // (d2, d3) -> (s4, s5, s6, s7) |
| static uint32_t g_q2_regs[] = { 34, 35, 36, 37, LLDB_INVALID_REGNUM }; // (d4, d5) -> (s8, s9, s10, s11) |
| static uint32_t g_q3_regs[] = { 38, 39, 40, 41, LLDB_INVALID_REGNUM }; // (d6, d7) -> (s12, s13, s14, s15) |
| static uint32_t g_q4_regs[] = { 42, 43, 44, 45, LLDB_INVALID_REGNUM }; // (d8, d9) -> (s16, s17, s18, s19) |
| static uint32_t g_q5_regs[] = { 46, 47, 48, 49, LLDB_INVALID_REGNUM }; // (d10, d11) -> (s20, s21, s22, s23) |
| static uint32_t g_q6_regs[] = { 50, 51, 52, 53, LLDB_INVALID_REGNUM }; // (d12, d13) -> (s24, s25, s26, s27) |
| static uint32_t g_q7_regs[] = { 54, 55, 56, 57, LLDB_INVALID_REGNUM }; // (d14, d15) -> (s28, s29, s30, s31) |
| static uint32_t g_q8_regs[] = { 59, 60, LLDB_INVALID_REGNUM }; // (d16, d17) |
| static uint32_t g_q9_regs[] = { 61, 62, LLDB_INVALID_REGNUM }; // (d18, d19) |
| static uint32_t g_q10_regs[] = { 63, 64, LLDB_INVALID_REGNUM }; // (d20, d21) |
| static uint32_t g_q11_regs[] = { 65, 66, LLDB_INVALID_REGNUM }; // (d22, d23) |
| static uint32_t g_q12_regs[] = { 67, 68, LLDB_INVALID_REGNUM }; // (d24, d25) |
| static uint32_t g_q13_regs[] = { 69, 70, LLDB_INVALID_REGNUM }; // (d26, d27) |
| static uint32_t g_q14_regs[] = { 71, 72, LLDB_INVALID_REGNUM }; // (d28, d29) |
| static uint32_t g_q15_regs[] = { 73, 74, LLDB_INVALID_REGNUM }; // (d30, d31) |
| |
| // This is our array of composite registers, with each element coming from the above register mappings. |
| static uint32_t *g_composites[] = { |
| g_d0_regs, g_d1_regs, g_d2_regs, g_d3_regs, g_d4_regs, g_d5_regs, g_d6_regs, g_d7_regs, |
| g_d8_regs, g_d9_regs, g_d10_regs, g_d11_regs, g_d12_regs, g_d13_regs, g_d14_regs, g_d15_regs, |
| g_q0_regs, g_q1_regs, g_q2_regs, g_q3_regs, g_q4_regs, g_q5_regs, g_q6_regs, g_q7_regs, |
| g_q8_regs, g_q9_regs, g_q10_regs, g_q11_regs, g_q12_regs, g_q13_regs, g_q14_regs, g_q15_regs |
| }; |
| |
| static RegisterInfo g_register_infos[] = { |
| // NAME ALT SZ OFF ENCODING FORMAT COMPILER DWARF GENERIC GDB LLDB VALUE REGS INVALIDATE REGS |
| // ====== ====== === === ============= ============ =================== =================== ====================== === ==== ========== =============== |
| { "r0", "arg1", 4, 0, eEncodingUint, eFormatHex, { gcc_r0, dwarf_r0, LLDB_REGNUM_GENERIC_ARG1,0, 0 }, NULL, NULL}, |
| { "r1", "arg2", 4, 0, eEncodingUint, eFormatHex, { gcc_r1, dwarf_r1, LLDB_REGNUM_GENERIC_ARG2,1, 1 }, NULL, NULL}, |
| { "r2", "arg3", 4, 0, eEncodingUint, eFormatHex, { gcc_r2, dwarf_r2, LLDB_REGNUM_GENERIC_ARG3,2, 2 }, NULL, NULL}, |
| { "r3", "arg4", 4, 0, eEncodingUint, eFormatHex, { gcc_r3, dwarf_r3, LLDB_REGNUM_GENERIC_ARG4,3, 3 }, NULL, NULL}, |
| { "r4", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r4, dwarf_r4, LLDB_INVALID_REGNUM, 4, 4 }, NULL, NULL}, |
| { "r5", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r5, dwarf_r5, LLDB_INVALID_REGNUM, 5, 5 }, NULL, NULL}, |
| { "r6", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r6, dwarf_r6, LLDB_INVALID_REGNUM, 6, 6 }, NULL, NULL}, |
| { "r7", "fp", 4, 0, eEncodingUint, eFormatHex, { gcc_r7, dwarf_r7, LLDB_REGNUM_GENERIC_FP, 7, 7 }, NULL, NULL}, |
| { "r8", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r8, dwarf_r8, LLDB_INVALID_REGNUM, 8, 8 }, NULL, NULL}, |
| { "r9", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r9, dwarf_r9, LLDB_INVALID_REGNUM, 9, 9 }, NULL, NULL}, |
| { "r10", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r10, dwarf_r10, LLDB_INVALID_REGNUM, 10, 10 }, NULL, NULL}, |
| { "r11", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r11, dwarf_r11, LLDB_INVALID_REGNUM, 11, 11 }, NULL, NULL}, |
| { "r12", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r12, dwarf_r12, LLDB_INVALID_REGNUM, 12, 12 }, NULL, NULL}, |
| { "sp", "r13", 4, 0, eEncodingUint, eFormatHex, { gcc_sp, dwarf_sp, LLDB_REGNUM_GENERIC_SP, 13, 13 }, NULL, NULL}, |
| { "lr", "r14", 4, 0, eEncodingUint, eFormatHex, { gcc_lr, dwarf_lr, LLDB_REGNUM_GENERIC_RA, 14, 14 }, NULL, NULL}, |
| { "pc", "r15", 4, 0, eEncodingUint, eFormatHex, { gcc_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, 15, 15 }, NULL, NULL}, |
| { "f0", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 16, 16 }, NULL, NULL}, |
| { "f1", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 17, 17 }, NULL, NULL}, |
| { "f2", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 18, 18 }, NULL, NULL}, |
| { "f3", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 19, 19 }, NULL, NULL}, |
| { "f4", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 20, 20 }, NULL, NULL}, |
| { "f5", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 21, 21 }, NULL, NULL}, |
| { "f6", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 22, 22 }, NULL, NULL}, |
| { "f7", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 23, 23 }, NULL, NULL}, |
| { "fps", NULL, 4, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 24, 24 }, NULL, NULL}, |
| { "cpsr","flags", 4, 0, eEncodingUint, eFormatHex, { gcc_cpsr, dwarf_cpsr, LLDB_INVALID_REGNUM, 25, 25 }, NULL, NULL}, |
| { "s0", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s0, LLDB_INVALID_REGNUM, 26, 26 }, NULL, NULL}, |
| { "s1", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s1, LLDB_INVALID_REGNUM, 27, 27 }, NULL, NULL}, |
| { "s2", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s2, LLDB_INVALID_REGNUM, 28, 28 }, NULL, NULL}, |
| { "s3", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s3, LLDB_INVALID_REGNUM, 29, 29 }, NULL, NULL}, |
| { "s4", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s4, LLDB_INVALID_REGNUM, 30, 30 }, NULL, NULL}, |
| { "s5", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s5, LLDB_INVALID_REGNUM, 31, 31 }, NULL, NULL}, |
| { "s6", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s6, LLDB_INVALID_REGNUM, 32, 32 }, NULL, NULL}, |
| { "s7", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s7, LLDB_INVALID_REGNUM, 33, 33 }, NULL, NULL}, |
| { "s8", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s8, LLDB_INVALID_REGNUM, 34, 34 }, NULL, NULL}, |
| { "s9", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s9, LLDB_INVALID_REGNUM, 35, 35 }, NULL, NULL}, |
| { "s10", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s10, LLDB_INVALID_REGNUM, 36, 36 }, NULL, NULL}, |
| { "s11", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s11, LLDB_INVALID_REGNUM, 37, 37 }, NULL, NULL}, |
| { "s12", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s12, LLDB_INVALID_REGNUM, 38, 38 }, NULL, NULL}, |
| { "s13", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s13, LLDB_INVALID_REGNUM, 39, 39 }, NULL, NULL}, |
| { "s14", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s14, LLDB_INVALID_REGNUM, 40, 40 }, NULL, NULL}, |
| { "s15", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s15, LLDB_INVALID_REGNUM, 41, 41 }, NULL, NULL}, |
| { "s16", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s16, LLDB_INVALID_REGNUM, 42, 42 }, NULL, NULL}, |
| { "s17", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s17, LLDB_INVALID_REGNUM, 43, 43 }, NULL, NULL}, |
| { "s18", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s18, LLDB_INVALID_REGNUM, 44, 44 }, NULL, NULL}, |
| { "s19", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s19, LLDB_INVALID_REGNUM, 45, 45 }, NULL, NULL}, |
| { "s20", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s20, LLDB_INVALID_REGNUM, 46, 46 }, NULL, NULL}, |
| { "s21", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s21, LLDB_INVALID_REGNUM, 47, 47 }, NULL, NULL}, |
| { "s22", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s22, LLDB_INVALID_REGNUM, 48, 48 }, NULL, NULL}, |
| { "s23", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s23, LLDB_INVALID_REGNUM, 49, 49 }, NULL, NULL}, |
| { "s24", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s24, LLDB_INVALID_REGNUM, 50, 50 }, NULL, NULL}, |
| { "s25", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s25, LLDB_INVALID_REGNUM, 51, 51 }, NULL, NULL}, |
| { "s26", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s26, LLDB_INVALID_REGNUM, 52, 52 }, NULL, NULL}, |
| { "s27", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s27, LLDB_INVALID_REGNUM, 53, 53 }, NULL, NULL}, |
| { "s28", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s28, LLDB_INVALID_REGNUM, 54, 54 }, NULL, NULL}, |
| { "s29", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s29, LLDB_INVALID_REGNUM, 55, 55 }, NULL, NULL}, |
| { "s30", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s30, LLDB_INVALID_REGNUM, 56, 56 }, NULL, NULL}, |
| { "s31", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s31, LLDB_INVALID_REGNUM, 57, 57 }, NULL, NULL}, |
| { "fpscr",NULL, 4, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 58, 58 }, NULL, NULL}, |
| { "d16", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d16, LLDB_INVALID_REGNUM, 59, 59 }, NULL, NULL}, |
| { "d17", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d17, LLDB_INVALID_REGNUM, 60, 60 }, NULL, NULL}, |
| { "d18", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d18, LLDB_INVALID_REGNUM, 61, 61 }, NULL, NULL}, |
| { "d19", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d19, LLDB_INVALID_REGNUM, 62, 62 }, NULL, NULL}, |
| { "d20", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d20, LLDB_INVALID_REGNUM, 63, 63 }, NULL, NULL}, |
| { "d21", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d21, LLDB_INVALID_REGNUM, 64, 64 }, NULL, NULL}, |
| { "d22", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d22, LLDB_INVALID_REGNUM, 65, 65 }, NULL, NULL}, |
| { "d23", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d23, LLDB_INVALID_REGNUM, 66, 66 }, NULL, NULL}, |
| { "d24", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d24, LLDB_INVALID_REGNUM, 67, 67 }, NULL, NULL}, |
| { "d25", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d25, LLDB_INVALID_REGNUM, 68, 68 }, NULL, NULL}, |
| { "d26", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d26, LLDB_INVALID_REGNUM, 69, 69 }, NULL, NULL}, |
| { "d27", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d27, LLDB_INVALID_REGNUM, 70, 70 }, NULL, NULL}, |
| { "d28", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d28, LLDB_INVALID_REGNUM, 71, 71 }, NULL, NULL}, |
| { "d29", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d29, LLDB_INVALID_REGNUM, 72, 72 }, NULL, NULL}, |
| { "d30", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d30, LLDB_INVALID_REGNUM, 73, 73 }, NULL, NULL}, |
| { "d31", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d31, LLDB_INVALID_REGNUM, 74, 74 }, NULL, NULL}, |
| { "d0", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d0, LLDB_INVALID_REGNUM, 75, 75 }, g_d0_regs, NULL}, |
| { "d1", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d1, LLDB_INVALID_REGNUM, 76, 76 }, g_d1_regs, NULL}, |
| { "d2", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d2, LLDB_INVALID_REGNUM, 77, 77 }, g_d2_regs, NULL}, |
| { "d3", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d3, LLDB_INVALID_REGNUM, 78, 78 }, g_d3_regs, NULL}, |
| { "d4", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d4, LLDB_INVALID_REGNUM, 79, 79 }, g_d4_regs, NULL}, |
| { "d5", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d5, LLDB_INVALID_REGNUM, 80, 80 }, g_d5_regs, NULL}, |
| { "d6", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d6, LLDB_INVALID_REGNUM, 81, 81 }, g_d6_regs, NULL}, |
| { "d7", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d7, LLDB_INVALID_REGNUM, 82, 82 }, g_d7_regs, NULL}, |
| { "d8", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d8, LLDB_INVALID_REGNUM, 83, 83 }, g_d8_regs, NULL}, |
| { "d9", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d9, LLDB_INVALID_REGNUM, 84, 84 }, g_d9_regs, NULL}, |
| { "d10", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d10, LLDB_INVALID_REGNUM, 85, 85 }, g_d10_regs, NULL}, |
| { "d11", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d11, LLDB_INVALID_REGNUM, 86, 86 }, g_d11_regs, NULL}, |
| { "d12", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d12, LLDB_INVALID_REGNUM, 87, 87 }, g_d12_regs, NULL}, |
| { "d13", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d13, LLDB_INVALID_REGNUM, 88, 88 }, g_d13_regs, NULL}, |
| { "d14", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d14, LLDB_INVALID_REGNUM, 89, 89 }, g_d14_regs, NULL}, |
| { "d15", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d15, LLDB_INVALID_REGNUM, 90, 90 }, g_d15_regs, NULL}, |
| { "q0", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q0, LLDB_INVALID_REGNUM, 91, 91 }, g_q0_regs, NULL}, |
| { "q1", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q1, LLDB_INVALID_REGNUM, 92, 92 }, g_q1_regs, NULL}, |
| { "q2", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q2, LLDB_INVALID_REGNUM, 93, 93 }, g_q2_regs, NULL}, |
| { "q3", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q3, LLDB_INVALID_REGNUM, 94, 94 }, g_q3_regs, NULL}, |
| { "q4", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q4, LLDB_INVALID_REGNUM, 95, 95 }, g_q4_regs, NULL}, |
| { "q5", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q5, LLDB_INVALID_REGNUM, 96, 96 }, g_q5_regs, NULL}, |
| { "q6", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q6, LLDB_INVALID_REGNUM, 97, 97 }, g_q6_regs, NULL}, |
| { "q7", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q7, LLDB_INVALID_REGNUM, 98, 98 }, g_q7_regs, NULL}, |
| { "q8", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q8, LLDB_INVALID_REGNUM, 99, 99 }, g_q8_regs, NULL}, |
| { "q9", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q9, LLDB_INVALID_REGNUM, 100, 100 }, g_q9_regs, NULL}, |
| { "q10", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q10, LLDB_INVALID_REGNUM, 101, 101 }, g_q10_regs, NULL}, |
| { "q11", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q11, LLDB_INVALID_REGNUM, 102, 102 }, g_q11_regs, NULL}, |
| { "q12", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q12, LLDB_INVALID_REGNUM, 103, 103 }, g_q12_regs, NULL}, |
| { "q13", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q13, LLDB_INVALID_REGNUM, 104, 104 }, g_q13_regs, NULL}, |
| { "q14", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q14, LLDB_INVALID_REGNUM, 105, 105 }, g_q14_regs, NULL}, |
| { "q15", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q15, LLDB_INVALID_REGNUM, 106, 106 }, g_q15_regs, NULL} |
| }; |
| |
| static const uint32_t num_registers = llvm::array_lengthof(g_register_infos); |
| static ConstString gpr_reg_set ("General Purpose Registers"); |
| static ConstString sfp_reg_set ("Software Floating Point Registers"); |
| static ConstString vfp_reg_set ("Floating Point Registers"); |
| size_t i; |
| if (from_scratch) |
| { |
| // Calculate the offsets of the registers |
| // Note that the layout of the "composite" registers (d0-d15 and q0-q15) which comes after the |
| // "primordial" registers is important. This enables us to calculate the offset of the composite |
| // register by using the offset of its first primordial register. For example, to calculate the |
| // offset of q0, use s0's offset. |
| if (g_register_infos[2].byte_offset == 0) |
| { |
| uint32_t byte_offset = 0; |
| for (i=0; i<num_registers; ++i) |
| { |
| // For primordial registers, increment the byte_offset by the byte_size to arrive at the |
| // byte_offset for the next register. Otherwise, we have a composite register whose |
| // offset can be calculated by consulting the offset of its first primordial register. |
| if (!g_register_infos[i].value_regs) |
| { |
| g_register_infos[i].byte_offset = byte_offset; |
| byte_offset += g_register_infos[i].byte_size; |
| } |
| else |
| { |
| const uint32_t first_primordial_reg = g_register_infos[i].value_regs[0]; |
| g_register_infos[i].byte_offset = g_register_infos[first_primordial_reg].byte_offset; |
| } |
| } |
| } |
| for (i=0; i<num_registers; ++i) |
| { |
| ConstString name; |
| ConstString alt_name; |
| if (g_register_infos[i].name && g_register_infos[i].name[0]) |
| name.SetCString(g_register_infos[i].name); |
| if (g_register_infos[i].alt_name && g_register_infos[i].alt_name[0]) |
| alt_name.SetCString(g_register_infos[i].alt_name); |
| |
| if (i <= 15 || i == 25) |
| AddRegister (g_register_infos[i], name, alt_name, gpr_reg_set); |
| else if (i <= 24) |
| AddRegister (g_register_infos[i], name, alt_name, sfp_reg_set); |
| else |
| AddRegister (g_register_infos[i], name, alt_name, vfp_reg_set); |
| } |
| } |
| else |
| { |
| // Add composite registers to our primordial registers, then. |
| const size_t num_composites = llvm::array_lengthof(g_composites); |
| const size_t num_dynamic_regs = GetNumRegisters(); |
| const size_t num_common_regs = num_registers - num_composites; |
| RegisterInfo *g_comp_register_infos = g_register_infos + num_common_regs; |
| |
| // First we need to validate that all registers that we already have match the non composite regs. |
| // If so, then we can add the registers, else we need to bail |
| bool match = true; |
| if (num_dynamic_regs == num_common_regs) |
| { |
| for (i=0; match && i<num_dynamic_regs; ++i) |
| { |
| // Make sure all register names match |
| if (m_regs[i].name && g_register_infos[i].name) |
| { |
| if (strcmp(m_regs[i].name, g_register_infos[i].name)) |
| { |
| match = false; |
| break; |
| } |
| } |
| |
| // Make sure all register byte sizes match |
| if (m_regs[i].byte_size != g_register_infos[i].byte_size) |
| { |
| match = false; |
| break; |
| } |
| } |
| } |
| else |
| { |
| // Wrong number of registers. |
| match = false; |
| } |
| // If "match" is true, then we can add extra registers. |
| if (match) |
| { |
| for (i=0; i<num_composites; ++i) |
| { |
| ConstString name; |
| ConstString alt_name; |
| const uint32_t first_primordial_reg = g_comp_register_infos[i].value_regs[0]; |
| const char *reg_name = g_register_infos[first_primordial_reg].name; |
| if (reg_name && reg_name[0]) |
| { |
| for (uint32_t j = 0; j < num_dynamic_regs; ++j) |
| { |
| const RegisterInfo *reg_info = GetRegisterInfoAtIndex(j); |
| // Find a matching primordial register info entry. |
| if (reg_info && reg_info->name && ::strcasecmp(reg_info->name, reg_name) == 0) |
| { |
| // The name matches the existing primordial entry. |
| // Find and assign the offset, and then add this composite register entry. |
| g_comp_register_infos[i].byte_offset = reg_info->byte_offset; |
| name.SetCString(g_comp_register_infos[i].name); |
| AddRegister(g_comp_register_infos[i], name, alt_name, vfp_reg_set); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |