GDBRemoteRegisterContext.cpp revision 309124
1254721Semaste//===-- GDBRemoteRegisterContext.cpp ----------------------------*- C++ -*-===// 2254721Semaste// 3254721Semaste// The LLVM Compiler Infrastructure 4254721Semaste// 5254721Semaste// This file is distributed under the University of Illinois Open Source 6254721Semaste// License. See LICENSE.TXT for details. 7254721Semaste// 8254721Semaste//===----------------------------------------------------------------------===// 9254721Semaste 10254721Semaste#include "GDBRemoteRegisterContext.h" 11254721Semaste 12254721Semaste// C Includes 13254721Semaste// C++ Includes 14254721Semaste// Other libraries and framework includes 15254721Semaste#include "lldb/Core/DataBufferHeap.h" 16254721Semaste#include "lldb/Core/DataExtractor.h" 17254721Semaste#include "lldb/Core/RegisterValue.h" 18254721Semaste#include "lldb/Core/Scalar.h" 19254721Semaste#include "lldb/Core/StreamString.h" 20254721Semaste#include "lldb/Target/ExecutionContext.h" 21276479Sdim#include "lldb/Target/Target.h" 22254721Semaste#include "lldb/Utility/Utils.h" 23254721Semaste// Project includes 24254721Semaste#include "Utility/StringExtractorGDBRemote.h" 25254721Semaste#include "ProcessGDBRemote.h" 26254721Semaste#include "ProcessGDBRemoteLog.h" 27254721Semaste#include "ThreadGDBRemote.h" 28254721Semaste#include "Utility/ARM_DWARF_Registers.h" 29296417Sdim#include "Utility/ARM_ehframe_Registers.h" 30254721Semaste 31254721Semasteusing namespace lldb; 32254721Semasteusing namespace lldb_private; 33288943Sdimusing namespace lldb_private::process_gdb_remote; 34254721Semaste 35254721Semaste//---------------------------------------------------------------------- 36254721Semaste// GDBRemoteRegisterContext constructor 37254721Semaste//---------------------------------------------------------------------- 38254721SemasteGDBRemoteRegisterContext::GDBRemoteRegisterContext 39254721Semaste( 40254721Semaste ThreadGDBRemote &thread, 41254721Semaste uint32_t concrete_frame_idx, 42254721Semaste GDBRemoteDynamicRegisterInfo ®_info, 43254721Semaste bool read_all_at_once 44254721Semaste) : 45254721Semaste RegisterContext (thread, concrete_frame_idx), 46254721Semaste m_reg_info (reg_info), 47254721Semaste m_reg_valid (), 48254721Semaste m_reg_data (), 49254721Semaste m_read_all_at_once (read_all_at_once) 50254721Semaste{ 51254721Semaste // Resize our vector of bools to contain one bool for every register. 52254721Semaste // We will use these boolean values to know when a register value 53254721Semaste // is valid in m_reg_data. 54254721Semaste m_reg_valid.resize (reg_info.GetNumRegisters()); 55254721Semaste 56254721Semaste // Make a heap based buffer that is big enough to store all registers 57254721Semaste DataBufferSP reg_data_sp(new DataBufferHeap (reg_info.GetRegisterDataByteSize(), 0)); 58254721Semaste m_reg_data.SetData (reg_data_sp); 59258054Semaste m_reg_data.SetByteOrder(thread.GetProcess()->GetByteOrder()); 60254721Semaste} 61254721Semaste 62254721Semaste//---------------------------------------------------------------------- 63254721Semaste// Destructor 64254721Semaste//---------------------------------------------------------------------- 65254721SemasteGDBRemoteRegisterContext::~GDBRemoteRegisterContext() 66254721Semaste{ 67254721Semaste} 68254721Semaste 69254721Semastevoid 70254721SemasteGDBRemoteRegisterContext::InvalidateAllRegisters () 71254721Semaste{ 72254721Semaste SetAllRegisterValid (false); 73254721Semaste} 74254721Semaste 75254721Semastevoid 76254721SemasteGDBRemoteRegisterContext::SetAllRegisterValid (bool b) 77254721Semaste{ 78254721Semaste std::vector<bool>::iterator pos, end = m_reg_valid.end(); 79254721Semaste for (pos = m_reg_valid.begin(); pos != end; ++pos) 80254721Semaste *pos = b; 81254721Semaste} 82254721Semaste 83254721Semastesize_t 84254721SemasteGDBRemoteRegisterContext::GetRegisterCount () 85254721Semaste{ 86254721Semaste return m_reg_info.GetNumRegisters (); 87254721Semaste} 88254721Semaste 89254721Semasteconst RegisterInfo * 90254721SemasteGDBRemoteRegisterContext::GetRegisterInfoAtIndex (size_t reg) 91254721Semaste{ 92309124Sdim RegisterInfo* reg_info = m_reg_info.GetRegisterInfoAtIndex (reg); 93309124Sdim 94309124Sdim if (reg_info && reg_info->dynamic_size_dwarf_expr_bytes) 95309124Sdim { 96309124Sdim const ArchSpec &arch = m_thread.GetProcess ()->GetTarget ().GetArchitecture (); 97309124Sdim uint8_t reg_size = UpdateDynamicRegisterSize (arch, reg_info); 98309124Sdim reg_info->byte_size = reg_size; 99309124Sdim } 100309124Sdim return reg_info; 101254721Semaste} 102254721Semaste 103254721Semastesize_t 104254721SemasteGDBRemoteRegisterContext::GetRegisterSetCount () 105254721Semaste{ 106254721Semaste return m_reg_info.GetNumRegisterSets (); 107254721Semaste} 108254721Semaste 109254721Semaste 110254721Semaste 111254721Semasteconst RegisterSet * 112254721SemasteGDBRemoteRegisterContext::GetRegisterSet (size_t reg_set) 113254721Semaste{ 114254721Semaste return m_reg_info.GetRegisterSet (reg_set); 115254721Semaste} 116254721Semaste 117254721Semaste 118254721Semaste 119254721Semastebool 120254721SemasteGDBRemoteRegisterContext::ReadRegister (const RegisterInfo *reg_info, RegisterValue &value) 121254721Semaste{ 122254721Semaste // Read the register 123254721Semaste if (ReadRegisterBytes (reg_info, m_reg_data)) 124254721Semaste { 125254721Semaste const bool partial_data_ok = false; 126254721Semaste Error error (value.SetValueFromData(reg_info, m_reg_data, reg_info->byte_offset, partial_data_ok)); 127254721Semaste return error.Success(); 128254721Semaste } 129254721Semaste return false; 130254721Semaste} 131254721Semaste 132254721Semastebool 133254721SemasteGDBRemoteRegisterContext::PrivateSetRegisterValue (uint32_t reg, StringExtractor &response) 134254721Semaste{ 135254721Semaste const RegisterInfo *reg_info = GetRegisterInfoAtIndex (reg); 136254721Semaste if (reg_info == NULL) 137254721Semaste return false; 138254721Semaste 139254721Semaste // Invalidate if needed 140254721Semaste InvalidateIfNeeded(false); 141254721Semaste 142254721Semaste const uint32_t reg_byte_size = reg_info->byte_size; 143254721Semaste 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'); 144254721Semaste bool success = bytes_copied == reg_byte_size; 145254721Semaste if (success) 146254721Semaste { 147254721Semaste SetRegisterIsValid(reg, true); 148254721Semaste } 149254721Semaste else if (bytes_copied > 0) 150254721Semaste { 151254721Semaste // Only set register is valid to false if we copied some bytes, else 152254721Semaste // leave it as it was. 153254721Semaste SetRegisterIsValid(reg, false); 154254721Semaste } 155254721Semaste return success; 156254721Semaste} 157254721Semaste 158296417Sdimbool 159296417SdimGDBRemoteRegisterContext::PrivateSetRegisterValue (uint32_t reg, uint64_t new_reg_val) 160296417Sdim{ 161296417Sdim const RegisterInfo *reg_info = GetRegisterInfoAtIndex (reg); 162296417Sdim if (reg_info == NULL) 163296417Sdim return false; 164296417Sdim 165296417Sdim // Early in process startup, we can get a thread that has an invalid byte order 166296417Sdim // because the process hasn't been completely set up yet (see the ctor where the 167296417Sdim // byte order is setfrom the process). If that's the case, we can't set the 168296417Sdim // value here. 169296417Sdim if (m_reg_data.GetByteOrder() == eByteOrderInvalid) 170296417Sdim { 171296417Sdim return false; 172296417Sdim } 173296417Sdim 174296417Sdim // Invalidate if needed 175296417Sdim InvalidateIfNeeded (false); 176296417Sdim 177296417Sdim DataBufferSP buffer_sp (new DataBufferHeap (&new_reg_val, sizeof (new_reg_val))); 178296417Sdim DataExtractor data (buffer_sp, endian::InlHostByteOrder(), sizeof (void*)); 179296417Sdim 180296417Sdim // If our register context and our register info disagree, which should never happen, don't 181296417Sdim // overwrite past the end of the buffer. 182296417Sdim if (m_reg_data.GetByteSize() < reg_info->byte_offset + reg_info->byte_size) 183296417Sdim return false; 184296417Sdim 185296417Sdim // Grab a pointer to where we are going to put this register 186296417Sdim uint8_t *dst = const_cast<uint8_t*>(m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size)); 187296417Sdim 188296417Sdim if (dst == NULL) 189296417Sdim return false; 190296417Sdim 191296417Sdim 192296417Sdim if (data.CopyByteOrderedData (0, // src offset 193296417Sdim reg_info->byte_size, // src length 194296417Sdim dst, // dst 195296417Sdim reg_info->byte_size, // dst length 196296417Sdim m_reg_data.GetByteOrder())) // dst byte order 197296417Sdim { 198296417Sdim SetRegisterIsValid (reg, true); 199296417Sdim return true; 200296417Sdim } 201296417Sdim return false; 202296417Sdim} 203296417Sdim 204254721Semaste// Helper function for GDBRemoteRegisterContext::ReadRegisterBytes(). 205254721Semastebool 206288943SdimGDBRemoteRegisterContext::GetPrimordialRegister(const RegisterInfo *reg_info, 207254721Semaste GDBRemoteCommunicationClient &gdb_comm) 208254721Semaste{ 209309124Sdim const uint32_t lldb_reg = reg_info->kinds[eRegisterKindLLDB]; 210309124Sdim const uint32_t remote_reg = reg_info->kinds[eRegisterKindProcessPlugin]; 211254721Semaste StringExtractorGDBRemote response; 212309124Sdim if (gdb_comm.ReadRegister(m_thread.GetProtocolID(), remote_reg, response)) 213309124Sdim return PrivateSetRegisterValue (lldb_reg, response); 214254721Semaste return false; 215254721Semaste} 216258884Semaste 217254721Semastebool 218254721SemasteGDBRemoteRegisterContext::ReadRegisterBytes (const RegisterInfo *reg_info, DataExtractor &data) 219254721Semaste{ 220254721Semaste ExecutionContext exe_ctx (CalculateThread()); 221254721Semaste 222254721Semaste Process *process = exe_ctx.GetProcessPtr(); 223254721Semaste Thread *thread = exe_ctx.GetThreadPtr(); 224254721Semaste if (process == NULL || thread == NULL) 225254721Semaste return false; 226254721Semaste 227254721Semaste GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 228254721Semaste 229254721Semaste InvalidateIfNeeded(false); 230254721Semaste 231254721Semaste const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; 232254721Semaste 233254721Semaste if (!GetRegisterIsValid(reg)) 234254721Semaste { 235258884Semaste if (m_read_all_at_once) 236254721Semaste { 237258884Semaste StringExtractorGDBRemote response; 238258884Semaste if (!gdb_comm.ReadAllRegisters(m_thread.GetProtocolID(), response)) 239258884Semaste return false; 240258884Semaste if (response.IsNormalResponse()) 241296417Sdim if (response.GetHexBytes(const_cast<void *>(reinterpret_cast<const void *>(m_reg_data.GetDataStart())), 242296417Sdim m_reg_data.GetByteSize(), '\xcc') == m_reg_data.GetByteSize()) 243258884Semaste SetAllRegisterValid (true); 244258884Semaste } 245258884Semaste else if (reg_info->value_regs) 246258884Semaste { 247258884Semaste // Process this composite register request by delegating to the constituent 248258884Semaste // primordial registers. 249258884Semaste 250258884Semaste // Index of the primordial register. 251258884Semaste bool success = true; 252258884Semaste for (uint32_t idx = 0; success; ++idx) 253254721Semaste { 254258884Semaste const uint32_t prim_reg = reg_info->value_regs[idx]; 255258884Semaste if (prim_reg == LLDB_INVALID_REGNUM) 256258884Semaste break; 257276479Sdim // We have a valid primordial register as our constituent. 258258884Semaste // Grab the corresponding register info. 259258884Semaste const RegisterInfo *prim_reg_info = GetRegisterInfoAtIndex(prim_reg); 260258884Semaste if (prim_reg_info == NULL) 261258884Semaste success = false; 262254721Semaste else 263254721Semaste { 264258884Semaste // Read the containing register if it hasn't already been read 265258884Semaste if (!GetRegisterIsValid(prim_reg)) 266258884Semaste success = GetPrimordialRegister(prim_reg_info, gdb_comm); 267254721Semaste } 268254721Semaste } 269258884Semaste 270258884Semaste if (success) 271258884Semaste { 272258884Semaste // If we reach this point, all primordial register requests have succeeded. 273258884Semaste // Validate this composite register. 274258884Semaste SetRegisterIsValid (reg_info, true); 275258884Semaste } 276254721Semaste } 277254721Semaste else 278254721Semaste { 279258884Semaste // Get each register individually 280258884Semaste GetPrimordialRegister(reg_info, gdb_comm); 281254721Semaste } 282254721Semaste 283254721Semaste // Make sure we got a valid register value after reading it 284254721Semaste if (!GetRegisterIsValid(reg)) 285254721Semaste return false; 286254721Semaste } 287254721Semaste 288254721Semaste if (&data != &m_reg_data) 289254721Semaste { 290276479Sdim#if defined (LLDB_CONFIGURATION_DEBUG) 291276479Sdim assert (m_reg_data.GetByteSize() >= reg_info->byte_offset + reg_info->byte_size); 292276479Sdim#endif 293276479Sdim // If our register context and our register info disagree, which should never happen, don't 294276479Sdim // read past the end of the buffer. 295276479Sdim if (m_reg_data.GetByteSize() < reg_info->byte_offset + reg_info->byte_size) 296276479Sdim return false; 297276479Sdim 298254721Semaste // If we aren't extracting into our own buffer (which 299254721Semaste // only happens when this function is called from 300254721Semaste // ReadRegisterValue(uint32_t, Scalar&)) then 301254721Semaste // we transfer bytes from our buffer into the data 302254721Semaste // buffer that was passed in 303276479Sdim 304254721Semaste data.SetByteOrder (m_reg_data.GetByteOrder()); 305254721Semaste data.SetData (m_reg_data, reg_info->byte_offset, reg_info->byte_size); 306254721Semaste } 307254721Semaste return true; 308254721Semaste} 309254721Semaste 310254721Semastebool 311254721SemasteGDBRemoteRegisterContext::WriteRegister (const RegisterInfo *reg_info, 312254721Semaste const RegisterValue &value) 313254721Semaste{ 314254721Semaste DataExtractor data; 315254721Semaste if (value.GetData (data)) 316254721Semaste return WriteRegisterBytes (reg_info, data, 0); 317254721Semaste return false; 318254721Semaste} 319254721Semaste 320254721Semaste// Helper function for GDBRemoteRegisterContext::WriteRegisterBytes(). 321254721Semastebool 322288943SdimGDBRemoteRegisterContext::SetPrimordialRegister(const RegisterInfo *reg_info, 323254721Semaste GDBRemoteCommunicationClient &gdb_comm) 324254721Semaste{ 325254721Semaste StreamString packet; 326254721Semaste StringExtractorGDBRemote response; 327254721Semaste const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; 328309124Sdim packet.Printf ("P%x=", reg_info->kinds[eRegisterKindProcessPlugin]); 329254721Semaste packet.PutBytesAsRawHex8 (m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size), 330254721Semaste reg_info->byte_size, 331296417Sdim endian::InlHostByteOrder(), 332296417Sdim endian::InlHostByteOrder()); 333254721Semaste 334254721Semaste if (gdb_comm.GetThreadSuffixSupported()) 335254721Semaste packet.Printf (";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 336254721Semaste 337254721Semaste // Invalidate just this register 338254721Semaste SetRegisterIsValid(reg, false); 339254721Semaste if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 340254721Semaste packet.GetString().size(), 341254721Semaste response, 342262528Semaste false) == GDBRemoteCommunication::PacketResult::Success) 343254721Semaste { 344254721Semaste if (response.IsOKResponse()) 345254721Semaste return true; 346254721Semaste } 347254721Semaste return false; 348254721Semaste} 349254721Semaste 350254721Semastevoid 351254721SemasteGDBRemoteRegisterContext::SyncThreadState(Process *process) 352254721Semaste{ 353254721Semaste // NB. We assume our caller has locked the sequence mutex. 354254721Semaste 355254721Semaste GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *) process)->GetGDBRemote()); 356254721Semaste if (!gdb_comm.GetSyncThreadStateSupported()) 357254721Semaste return; 358254721Semaste 359254721Semaste StreamString packet; 360254721Semaste StringExtractorGDBRemote response; 361254721Semaste packet.Printf ("QSyncThreadState:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 362254721Semaste if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 363254721Semaste packet.GetString().size(), 364254721Semaste response, 365262528Semaste false) == GDBRemoteCommunication::PacketResult::Success) 366254721Semaste { 367254721Semaste if (response.IsOKResponse()) 368254721Semaste InvalidateAllRegisters(); 369254721Semaste } 370254721Semaste} 371254721Semaste 372254721Semastebool 373288943SdimGDBRemoteRegisterContext::WriteRegisterBytes (const RegisterInfo *reg_info, DataExtractor &data, uint32_t data_offset) 374254721Semaste{ 375254721Semaste ExecutionContext exe_ctx (CalculateThread()); 376254721Semaste 377254721Semaste Process *process = exe_ctx.GetProcessPtr(); 378254721Semaste Thread *thread = exe_ctx.GetThreadPtr(); 379254721Semaste if (process == NULL || thread == NULL) 380254721Semaste return false; 381254721Semaste 382254721Semaste GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 383254721Semaste// FIXME: This check isn't right because IsRunning checks the Public state, but this 384254721Semaste// is work you need to do - for instance in ShouldStop & friends - before the public 385254721Semaste// state has been changed. 386254721Semaste// if (gdb_comm.IsRunning()) 387254721Semaste// return false; 388254721Semaste 389276479Sdim 390276479Sdim#if defined (LLDB_CONFIGURATION_DEBUG) 391276479Sdim assert (m_reg_data.GetByteSize() >= reg_info->byte_offset + reg_info->byte_size); 392276479Sdim#endif 393276479Sdim 394276479Sdim // If our register context and our register info disagree, which should never happen, don't 395276479Sdim // overwrite past the end of the buffer. 396276479Sdim if (m_reg_data.GetByteSize() < reg_info->byte_offset + reg_info->byte_size) 397276479Sdim return false; 398276479Sdim 399254721Semaste // Grab a pointer to where we are going to put this register 400254721Semaste uint8_t *dst = const_cast<uint8_t*>(m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size)); 401254721Semaste 402254721Semaste if (dst == NULL) 403254721Semaste return false; 404254721Semaste 405254721Semaste 406254721Semaste if (data.CopyByteOrderedData (data_offset, // src offset 407254721Semaste reg_info->byte_size, // src length 408254721Semaste dst, // dst 409254721Semaste reg_info->byte_size, // dst length 410254721Semaste m_reg_data.GetByteOrder())) // dst byte order 411254721Semaste { 412254721Semaste Mutex::Locker locker; 413254721Semaste if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence mutex for write register.")) 414254721Semaste { 415254721Semaste const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); 416254721Semaste ProcessSP process_sp (m_thread.GetProcess()); 417254721Semaste if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetProtocolID())) 418254721Semaste { 419254721Semaste StreamString packet; 420254721Semaste StringExtractorGDBRemote response; 421254721Semaste 422254721Semaste if (m_read_all_at_once) 423254721Semaste { 424254721Semaste // Set all registers in one packet 425254721Semaste packet.PutChar ('G'); 426254721Semaste packet.PutBytesAsRawHex8 (m_reg_data.GetDataStart(), 427254721Semaste m_reg_data.GetByteSize(), 428296417Sdim endian::InlHostByteOrder(), 429296417Sdim endian::InlHostByteOrder()); 430254721Semaste 431254721Semaste if (thread_suffix_supported) 432254721Semaste packet.Printf (";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 433254721Semaste 434254721Semaste // Invalidate all register values 435254721Semaste InvalidateIfNeeded (true); 436254721Semaste 437254721Semaste if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 438254721Semaste packet.GetString().size(), 439254721Semaste response, 440262528Semaste false) == GDBRemoteCommunication::PacketResult::Success) 441254721Semaste { 442254721Semaste SetAllRegisterValid (false); 443254721Semaste if (response.IsOKResponse()) 444254721Semaste { 445254721Semaste return true; 446254721Semaste } 447254721Semaste } 448254721Semaste } 449254721Semaste else 450254721Semaste { 451254721Semaste bool success = true; 452254721Semaste 453254721Semaste if (reg_info->value_regs) 454254721Semaste { 455254721Semaste // This register is part of another register. In this case we read the actual 456254721Semaste // register data for any "value_regs", and once all that data is read, we will 457254721Semaste // have enough data in our register context bytes for the value of this register 458254721Semaste 459254721Semaste // Invalidate this composite register first. 460254721Semaste 461254721Semaste for (uint32_t idx = 0; success; ++idx) 462254721Semaste { 463254721Semaste const uint32_t reg = reg_info->value_regs[idx]; 464254721Semaste if (reg == LLDB_INVALID_REGNUM) 465254721Semaste break; 466276479Sdim // We have a valid primordial register as our constituent. 467254721Semaste // Grab the corresponding register info. 468254721Semaste const RegisterInfo *value_reg_info = GetRegisterInfoAtIndex(reg); 469254721Semaste if (value_reg_info == NULL) 470254721Semaste success = false; 471254721Semaste else 472254721Semaste success = SetPrimordialRegister(value_reg_info, gdb_comm); 473254721Semaste } 474254721Semaste } 475254721Semaste else 476254721Semaste { 477254721Semaste // This is an actual register, write it 478254721Semaste success = SetPrimordialRegister(reg_info, gdb_comm); 479254721Semaste } 480254721Semaste 481254721Semaste // Check if writing this register will invalidate any other register values? 482254721Semaste // If so, invalidate them 483254721Semaste if (reg_info->invalidate_regs) 484254721Semaste { 485254721Semaste for (uint32_t idx = 0, reg = reg_info->invalidate_regs[0]; 486254721Semaste reg != LLDB_INVALID_REGNUM; 487254721Semaste reg = reg_info->invalidate_regs[++idx]) 488254721Semaste { 489254721Semaste SetRegisterIsValid(reg, false); 490254721Semaste } 491254721Semaste } 492254721Semaste 493254721Semaste return success; 494254721Semaste } 495254721Semaste } 496254721Semaste } 497254721Semaste else 498254721Semaste { 499254721Semaste Log *log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); 500254721Semaste if (log) 501254721Semaste { 502254721Semaste if (log->GetVerbose()) 503254721Semaste { 504254721Semaste StreamString strm; 505254721Semaste gdb_comm.DumpHistory(strm); 506254721Semaste log->Printf("error: failed to get packet sequence mutex, not sending write register for \"%s\":\n%s", reg_info->name, strm.GetData()); 507254721Semaste } 508254721Semaste else 509254721Semaste log->Printf("error: failed to get packet sequence mutex, not sending write register for \"%s\"", reg_info->name); 510254721Semaste } 511254721Semaste } 512254721Semaste } 513254721Semaste return false; 514254721Semaste} 515254721Semaste 516258884Semastebool 517288943SdimGDBRemoteRegisterContext::ReadAllRegisterValues (RegisterCheckpoint ®_checkpoint) 518258884Semaste{ 519258884Semaste ExecutionContext exe_ctx (CalculateThread()); 520258884Semaste 521258884Semaste Process *process = exe_ctx.GetProcessPtr(); 522258884Semaste Thread *thread = exe_ctx.GetThreadPtr(); 523258884Semaste if (process == NULL || thread == NULL) 524258884Semaste return false; 525258884Semaste 526258884Semaste GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 527254721Semaste 528258884Semaste uint32_t save_id = 0; 529258884Semaste if (gdb_comm.SaveRegisterState(thread->GetProtocolID(), save_id)) 530258884Semaste { 531258884Semaste reg_checkpoint.SetID(save_id); 532258884Semaste reg_checkpoint.GetData().reset(); 533258884Semaste return true; 534258884Semaste } 535258884Semaste else 536258884Semaste { 537258884Semaste reg_checkpoint.SetID(0); // Invalid save ID is zero 538258884Semaste return ReadAllRegisterValues(reg_checkpoint.GetData()); 539258884Semaste } 540258884Semaste} 541258884Semaste 542254721Semastebool 543288943SdimGDBRemoteRegisterContext::WriteAllRegisterValues (const RegisterCheckpoint ®_checkpoint) 544258884Semaste{ 545258884Semaste uint32_t save_id = reg_checkpoint.GetID(); 546258884Semaste if (save_id != 0) 547258884Semaste { 548258884Semaste ExecutionContext exe_ctx (CalculateThread()); 549258884Semaste 550258884Semaste Process *process = exe_ctx.GetProcessPtr(); 551258884Semaste Thread *thread = exe_ctx.GetThreadPtr(); 552258884Semaste if (process == NULL || thread == NULL) 553258884Semaste return false; 554258884Semaste 555258884Semaste GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 556258884Semaste 557258884Semaste return gdb_comm.RestoreRegisterState(m_thread.GetProtocolID(), save_id); 558258884Semaste } 559258884Semaste else 560258884Semaste { 561258884Semaste return WriteAllRegisterValues(reg_checkpoint.GetData()); 562258884Semaste } 563258884Semaste} 564258884Semaste 565258884Semastebool 566254721SemasteGDBRemoteRegisterContext::ReadAllRegisterValues (lldb::DataBufferSP &data_sp) 567254721Semaste{ 568254721Semaste ExecutionContext exe_ctx (CalculateThread()); 569254721Semaste 570254721Semaste Process *process = exe_ctx.GetProcessPtr(); 571254721Semaste Thread *thread = exe_ctx.GetThreadPtr(); 572254721Semaste if (process == NULL || thread == NULL) 573254721Semaste return false; 574254721Semaste 575254721Semaste GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 576254721Semaste 577254721Semaste StringExtractorGDBRemote response; 578254721Semaste 579276479Sdim const bool use_g_packet = gdb_comm.AvoidGPackets ((ProcessGDBRemote *)process) == false; 580276479Sdim 581254721Semaste Mutex::Locker locker; 582254721Semaste if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence mutex for read all registers.")) 583254721Semaste { 584254721Semaste SyncThreadState(process); 585254721Semaste 586254721Semaste char packet[32]; 587254721Semaste const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); 588254721Semaste ProcessSP process_sp (m_thread.GetProcess()); 589254721Semaste if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetProtocolID())) 590254721Semaste { 591254721Semaste int packet_len = 0; 592254721Semaste if (thread_suffix_supported) 593254721Semaste packet_len = ::snprintf (packet, sizeof(packet), "g;thread:%4.4" PRIx64, m_thread.GetProtocolID()); 594254721Semaste else 595254721Semaste packet_len = ::snprintf (packet, sizeof(packet), "g"); 596254721Semaste assert (packet_len < ((int)sizeof(packet) - 1)); 597254721Semaste 598276479Sdim if (use_g_packet && gdb_comm.SendPacketAndWaitForResponse(packet, packet_len, response, false) == GDBRemoteCommunication::PacketResult::Success) 599254721Semaste { 600276479Sdim int packet_len = 0; 601276479Sdim if (thread_suffix_supported) 602276479Sdim packet_len = ::snprintf (packet, sizeof(packet), "g;thread:%4.4" PRIx64, m_thread.GetProtocolID()); 603276479Sdim else 604276479Sdim packet_len = ::snprintf (packet, sizeof(packet), "g"); 605276479Sdim assert (packet_len < ((int)sizeof(packet) - 1)); 606276479Sdim 607276479Sdim if (gdb_comm.SendPacketAndWaitForResponse(packet, packet_len, response, false) == GDBRemoteCommunication::PacketResult::Success) 608254721Semaste { 609276479Sdim if (response.IsErrorResponse()) 610276479Sdim return false; 611276479Sdim 612276479Sdim std::string &response_str = response.GetStringRef(); 613276479Sdim if (isxdigit(response_str[0])) 614254721Semaste { 615276479Sdim response_str.insert(0, 1, 'G'); 616276479Sdim if (thread_suffix_supported) 617276479Sdim { 618276479Sdim char thread_id_cstr[64]; 619276479Sdim ::snprintf (thread_id_cstr, sizeof(thread_id_cstr), ";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 620276479Sdim response_str.append (thread_id_cstr); 621276479Sdim } 622276479Sdim data_sp.reset (new DataBufferHeap (response_str.c_str(), response_str.size())); 623276479Sdim return true; 624254721Semaste } 625254721Semaste } 626254721Semaste } 627276479Sdim else 628276479Sdim { 629276479Sdim // For the use_g_packet == false case, we're going to read each register 630276479Sdim // individually and store them as binary data in a buffer instead of as ascii 631276479Sdim // characters. 632276479Sdim const RegisterInfo *reg_info; 633276479Sdim 634276479Sdim // data_sp will take ownership of this DataBufferHeap pointer soon. 635276479Sdim DataBufferSP reg_ctx(new DataBufferHeap(m_reg_info.GetRegisterDataByteSize(), 0)); 636276479Sdim 637276479Sdim for (uint32_t i = 0; (reg_info = GetRegisterInfoAtIndex (i)) != NULL; i++) 638276479Sdim { 639276479Sdim if (reg_info->value_regs) // skip registers that are slices of real registers 640276479Sdim continue; 641276479Sdim ReadRegisterBytes (reg_info, m_reg_data); 642276479Sdim // ReadRegisterBytes saves the contents of the register in to the m_reg_data buffer 643276479Sdim } 644276479Sdim memcpy (reg_ctx->GetBytes(), m_reg_data.GetDataStart(), m_reg_info.GetRegisterDataByteSize()); 645276479Sdim 646276479Sdim data_sp = reg_ctx; 647276479Sdim return true; 648276479Sdim } 649254721Semaste } 650254721Semaste } 651254721Semaste else 652254721Semaste { 653276479Sdim 654254721Semaste Log *log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); 655254721Semaste if (log) 656254721Semaste { 657254721Semaste if (log->GetVerbose()) 658254721Semaste { 659254721Semaste StreamString strm; 660254721Semaste gdb_comm.DumpHistory(strm); 661254721Semaste log->Printf("error: failed to get packet sequence mutex, not sending read all registers:\n%s", strm.GetData()); 662254721Semaste } 663254721Semaste else 664254721Semaste log->Printf("error: failed to get packet sequence mutex, not sending read all registers"); 665254721Semaste } 666254721Semaste } 667254721Semaste 668254721Semaste data_sp.reset(); 669254721Semaste return false; 670254721Semaste} 671254721Semaste 672254721Semastebool 673254721SemasteGDBRemoteRegisterContext::WriteAllRegisterValues (const lldb::DataBufferSP &data_sp) 674254721Semaste{ 675254721Semaste if (!data_sp || data_sp->GetBytes() == NULL || data_sp->GetByteSize() == 0) 676254721Semaste return false; 677254721Semaste 678254721Semaste ExecutionContext exe_ctx (CalculateThread()); 679254721Semaste 680254721Semaste Process *process = exe_ctx.GetProcessPtr(); 681254721Semaste Thread *thread = exe_ctx.GetThreadPtr(); 682254721Semaste if (process == NULL || thread == NULL) 683254721Semaste return false; 684254721Semaste 685254721Semaste GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 686254721Semaste 687276479Sdim const bool use_g_packet = gdb_comm.AvoidGPackets ((ProcessGDBRemote *)process) == false; 688276479Sdim 689254721Semaste StringExtractorGDBRemote response; 690254721Semaste Mutex::Locker locker; 691254721Semaste if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence mutex for write all registers.")) 692254721Semaste { 693254721Semaste const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); 694254721Semaste ProcessSP process_sp (m_thread.GetProcess()); 695254721Semaste if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetProtocolID())) 696254721Semaste { 697254721Semaste // The data_sp contains the entire G response packet including the 698254721Semaste // G, and if the thread suffix is supported, it has the thread suffix 699254721Semaste // as well. 700254721Semaste const char *G_packet = (const char *)data_sp->GetBytes(); 701254721Semaste size_t G_packet_len = data_sp->GetByteSize(); 702276479Sdim if (use_g_packet 703276479Sdim && gdb_comm.SendPacketAndWaitForResponse (G_packet, 704276479Sdim G_packet_len, 705276479Sdim response, 706276479Sdim false) == GDBRemoteCommunication::PacketResult::Success) 707254721Semaste { 708276479Sdim // The data_sp contains the entire G response packet including the 709276479Sdim // G, and if the thread suffix is supported, it has the thread suffix 710276479Sdim // as well. 711276479Sdim const char *G_packet = (const char *)data_sp->GetBytes(); 712276479Sdim size_t G_packet_len = data_sp->GetByteSize(); 713276479Sdim if (gdb_comm.SendPacketAndWaitForResponse (G_packet, 714276479Sdim G_packet_len, 715276479Sdim response, 716276479Sdim false) == GDBRemoteCommunication::PacketResult::Success) 717254721Semaste { 718276479Sdim if (response.IsOKResponse()) 719276479Sdim return true; 720276479Sdim else if (response.IsErrorResponse()) 721276479Sdim { 722276479Sdim uint32_t num_restored = 0; 723276479Sdim // We need to manually go through all of the registers and 724276479Sdim // restore them manually 725276479Sdim 726276479Sdim response.GetStringRef().assign (G_packet, G_packet_len); 727276479Sdim response.SetFilePos(1); // Skip the leading 'G' 728254721Semaste 729276479Sdim // G_packet_len is hex-ascii characters plus prefix 'G' plus suffix thread specifier. 730276479Sdim // This means buffer will be a little more than 2x larger than necessary but we resize 731276479Sdim // it down once we've extracted all hex ascii chars from the packet. 732276479Sdim DataBufferHeap buffer (G_packet_len, 0); 733288943Sdim 734288943Sdim const uint32_t bytes_extracted = response.GetHexBytes (buffer.GetBytes(), 735288943Sdim buffer.GetByteSize(), 736288943Sdim '\xcc'); 737288943Sdim 738276479Sdim DataExtractor restore_data (buffer.GetBytes(), 739276479Sdim buffer.GetByteSize(), 740276479Sdim m_reg_data.GetByteOrder(), 741276479Sdim m_reg_data.GetAddressByteSize()); 742288943Sdim 743276479Sdim if (bytes_extracted < restore_data.GetByteSize()) 744276479Sdim restore_data.SetData(restore_data.GetDataStart(), bytes_extracted, m_reg_data.GetByteOrder()); 745276479Sdim 746276479Sdim const RegisterInfo *reg_info; 747254721Semaste 748276479Sdim // The g packet contents may either include the slice registers (registers defined in 749276479Sdim // terms of other registers, e.g. eax is a subset of rax) or not. The slice registers 750276479Sdim // should NOT be in the g packet, but some implementations may incorrectly include them. 751276479Sdim // 752276479Sdim // If the slice registers are included in the packet, we must step over the slice registers 753276479Sdim // when parsing the packet -- relying on the RegisterInfo byte_offset field would be incorrect. 754276479Sdim // If the slice registers are not included, then using the byte_offset values into the 755276479Sdim // data buffer is the best way to find individual register values. 756254721Semaste 757276479Sdim uint64_t size_including_slice_registers = 0; 758276479Sdim uint64_t size_not_including_slice_registers = 0; 759276479Sdim uint64_t size_by_highest_offset = 0; 760254721Semaste 761276479Sdim for (uint32_t reg_idx=0; (reg_info = GetRegisterInfoAtIndex (reg_idx)) != NULL; ++reg_idx) 762276479Sdim { 763276479Sdim size_including_slice_registers += reg_info->byte_size; 764276479Sdim if (reg_info->value_regs == NULL) 765276479Sdim size_not_including_slice_registers += reg_info->byte_size; 766276479Sdim if (reg_info->byte_offset >= size_by_highest_offset) 767276479Sdim size_by_highest_offset = reg_info->byte_offset + reg_info->byte_size; 768276479Sdim } 769254721Semaste 770276479Sdim bool use_byte_offset_into_buffer; 771276479Sdim if (size_by_highest_offset == restore_data.GetByteSize()) 772276479Sdim { 773276479Sdim // The size of the packet agrees with the highest offset: + size in the register file 774276479Sdim use_byte_offset_into_buffer = true; 775276479Sdim } 776276479Sdim else if (size_not_including_slice_registers == restore_data.GetByteSize()) 777276479Sdim { 778276479Sdim // The size of the packet is the same as concatenating all of the registers sequentially, 779276479Sdim // skipping the slice registers 780276479Sdim use_byte_offset_into_buffer = true; 781276479Sdim } 782276479Sdim else if (size_including_slice_registers == restore_data.GetByteSize()) 783276479Sdim { 784276479Sdim // The slice registers are present in the packet (when they shouldn't be). 785276479Sdim // Don't try to use the RegisterInfo byte_offset into the restore_data, it will 786276479Sdim // point to the wrong place. 787276479Sdim use_byte_offset_into_buffer = false; 788276479Sdim } 789276479Sdim else { 790276479Sdim // None of our expected sizes match the actual g packet data we're looking at. 791276479Sdim // The most conservative approach here is to use the running total byte offset. 792276479Sdim use_byte_offset_into_buffer = false; 793276479Sdim } 794254721Semaste 795276479Sdim // In case our register definitions don't include the correct offsets, 796276479Sdim // keep track of the size of each reg & compute offset based on that. 797276479Sdim uint32_t running_byte_offset = 0; 798276479Sdim for (uint32_t reg_idx=0; (reg_info = GetRegisterInfoAtIndex (reg_idx)) != NULL; ++reg_idx, running_byte_offset += reg_info->byte_size) 799276479Sdim { 800276479Sdim // Skip composite aka slice registers (e.g. eax is a slice of rax). 801276479Sdim if (reg_info->value_regs) 802276479Sdim continue; 803254721Semaste 804276479Sdim const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; 805276479Sdim 806276479Sdim uint32_t register_offset; 807276479Sdim if (use_byte_offset_into_buffer) 808254721Semaste { 809276479Sdim register_offset = reg_info->byte_offset; 810254721Semaste } 811276479Sdim else 812276479Sdim { 813276479Sdim register_offset = running_byte_offset; 814276479Sdim } 815254721Semaste 816276479Sdim // Only write down the registers that need to be written 817276479Sdim // if we are going to be doing registers individually. 818276479Sdim bool write_reg = true; 819276479Sdim const uint32_t reg_byte_size = reg_info->byte_size; 820276479Sdim 821276479Sdim const char *restore_src = (const char *)restore_data.PeekData(register_offset, reg_byte_size); 822276479Sdim if (restore_src) 823254721Semaste { 824254721Semaste StreamString packet; 825309124Sdim packet.Printf ("P%x=", reg_info->kinds[eRegisterKindProcessPlugin]); 826254721Semaste packet.PutBytesAsRawHex8 (restore_src, 827254721Semaste reg_byte_size, 828296417Sdim endian::InlHostByteOrder(), 829296417Sdim endian::InlHostByteOrder()); 830254721Semaste 831254721Semaste if (thread_suffix_supported) 832254721Semaste packet.Printf (";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 833254721Semaste 834254721Semaste SetRegisterIsValid(reg, false); 835254721Semaste if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 836254721Semaste packet.GetString().size(), 837254721Semaste response, 838262528Semaste false) == GDBRemoteCommunication::PacketResult::Success) 839254721Semaste { 840276479Sdim const char *current_src = (const char *)m_reg_data.PeekData(register_offset, reg_byte_size); 841276479Sdim if (current_src) 842276479Sdim write_reg = memcmp (current_src, restore_src, reg_byte_size) != 0; 843254721Semaste } 844276479Sdim 845276479Sdim if (write_reg) 846276479Sdim { 847276479Sdim StreamString packet; 848309124Sdim packet.Printf ("P%x=", reg_info->kinds[eRegisterKindProcessPlugin]); 849276479Sdim packet.PutBytesAsRawHex8 (restore_src, 850276479Sdim reg_byte_size, 851296417Sdim endian::InlHostByteOrder(), 852296417Sdim endian::InlHostByteOrder()); 853276479Sdim 854276479Sdim if (thread_suffix_supported) 855276479Sdim packet.Printf (";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 856276479Sdim 857276479Sdim SetRegisterIsValid(reg, false); 858276479Sdim if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 859276479Sdim packet.GetString().size(), 860276479Sdim response, 861276479Sdim false) == GDBRemoteCommunication::PacketResult::Success) 862276479Sdim { 863276479Sdim if (response.IsOKResponse()) 864276479Sdim ++num_restored; 865276479Sdim } 866276479Sdim } 867254721Semaste } 868254721Semaste } 869276479Sdim return num_restored > 0; 870254721Semaste } 871254721Semaste } 872254721Semaste } 873276479Sdim else 874276479Sdim { 875276479Sdim // For the use_g_packet == false case, we're going to write each register 876276479Sdim // individually. The data buffer is binary data in this case, instead of 877276479Sdim // ascii characters. 878276479Sdim 879276479Sdim bool arm64_debugserver = false; 880276479Sdim if (m_thread.GetProcess().get()) 881276479Sdim { 882276479Sdim const ArchSpec &arch = m_thread.GetProcess()->GetTarget().GetArchitecture(); 883276479Sdim if (arch.IsValid() 884276479Sdim && arch.GetMachine() == llvm::Triple::aarch64 885276479Sdim && arch.GetTriple().getVendor() == llvm::Triple::Apple 886276479Sdim && arch.GetTriple().getOS() == llvm::Triple::IOS) 887276479Sdim { 888276479Sdim arm64_debugserver = true; 889276479Sdim } 890276479Sdim } 891276479Sdim uint32_t num_restored = 0; 892276479Sdim const RegisterInfo *reg_info; 893276479Sdim for (uint32_t i = 0; (reg_info = GetRegisterInfoAtIndex (i)) != NULL; i++) 894276479Sdim { 895276479Sdim if (reg_info->value_regs) // skip registers that are slices of real registers 896276479Sdim continue; 897276479Sdim // Skip the fpsr and fpcr floating point status/control register writing to 898276479Sdim // work around a bug in an older version of debugserver that would lead to 899276479Sdim // register context corruption when writing fpsr/fpcr. 900276479Sdim if (arm64_debugserver && 901276479Sdim (strcmp (reg_info->name, "fpsr") == 0 || strcmp (reg_info->name, "fpcr") == 0)) 902276479Sdim { 903276479Sdim continue; 904276479Sdim } 905276479Sdim StreamString packet; 906309124Sdim packet.Printf ("P%x=", reg_info->kinds[eRegisterKindProcessPlugin]); 907296417Sdim packet.PutBytesAsRawHex8 (data_sp->GetBytes() + reg_info->byte_offset, reg_info->byte_size, endian::InlHostByteOrder(), endian::InlHostByteOrder()); 908276479Sdim if (thread_suffix_supported) 909276479Sdim packet.Printf (";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 910276479Sdim 911276479Sdim SetRegisterIsValid(reg_info, false); 912276479Sdim if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 913276479Sdim packet.GetString().size(), 914276479Sdim response, 915276479Sdim false) == GDBRemoteCommunication::PacketResult::Success) 916276479Sdim { 917276479Sdim if (response.IsOKResponse()) 918276479Sdim ++num_restored; 919276479Sdim } 920276479Sdim } 921276479Sdim return num_restored > 0; 922276479Sdim } 923254721Semaste } 924254721Semaste } 925254721Semaste else 926254721Semaste { 927254721Semaste Log *log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); 928254721Semaste if (log) 929254721Semaste { 930254721Semaste if (log->GetVerbose()) 931254721Semaste { 932254721Semaste StreamString strm; 933254721Semaste gdb_comm.DumpHistory(strm); 934254721Semaste log->Printf("error: failed to get packet sequence mutex, not sending write all registers:\n%s", strm.GetData()); 935254721Semaste } 936254721Semaste else 937254721Semaste log->Printf("error: failed to get packet sequence mutex, not sending write all registers"); 938254721Semaste } 939254721Semaste } 940254721Semaste return false; 941254721Semaste} 942254721Semaste 943254721Semaste 944254721Semasteuint32_t 945276479SdimGDBRemoteRegisterContext::ConvertRegisterKindToRegisterNumber (lldb::RegisterKind kind, uint32_t num) 946254721Semaste{ 947254721Semaste return m_reg_info.ConvertRegisterKindToRegisterNumber (kind, num); 948254721Semaste} 949254721Semaste 950258054Semaste 951254721Semastevoid 952254721SemasteGDBRemoteDynamicRegisterInfo::HardcodeARMRegisters(bool from_scratch) 953254721Semaste{ 954254721Semaste // For Advanced SIMD and VFP register mapping. 955254721Semaste static uint32_t g_d0_regs[] = { 26, 27, LLDB_INVALID_REGNUM }; // (s0, s1) 956254721Semaste static uint32_t g_d1_regs[] = { 28, 29, LLDB_INVALID_REGNUM }; // (s2, s3) 957254721Semaste static uint32_t g_d2_regs[] = { 30, 31, LLDB_INVALID_REGNUM }; // (s4, s5) 958254721Semaste static uint32_t g_d3_regs[] = { 32, 33, LLDB_INVALID_REGNUM }; // (s6, s7) 959254721Semaste static uint32_t g_d4_regs[] = { 34, 35, LLDB_INVALID_REGNUM }; // (s8, s9) 960254721Semaste static uint32_t g_d5_regs[] = { 36, 37, LLDB_INVALID_REGNUM }; // (s10, s11) 961254721Semaste static uint32_t g_d6_regs[] = { 38, 39, LLDB_INVALID_REGNUM }; // (s12, s13) 962254721Semaste static uint32_t g_d7_regs[] = { 40, 41, LLDB_INVALID_REGNUM }; // (s14, s15) 963254721Semaste static uint32_t g_d8_regs[] = { 42, 43, LLDB_INVALID_REGNUM }; // (s16, s17) 964254721Semaste static uint32_t g_d9_regs[] = { 44, 45, LLDB_INVALID_REGNUM }; // (s18, s19) 965254721Semaste static uint32_t g_d10_regs[] = { 46, 47, LLDB_INVALID_REGNUM }; // (s20, s21) 966254721Semaste static uint32_t g_d11_regs[] = { 48, 49, LLDB_INVALID_REGNUM }; // (s22, s23) 967254721Semaste static uint32_t g_d12_regs[] = { 50, 51, LLDB_INVALID_REGNUM }; // (s24, s25) 968254721Semaste static uint32_t g_d13_regs[] = { 52, 53, LLDB_INVALID_REGNUM }; // (s26, s27) 969254721Semaste static uint32_t g_d14_regs[] = { 54, 55, LLDB_INVALID_REGNUM }; // (s28, s29) 970254721Semaste static uint32_t g_d15_regs[] = { 56, 57, LLDB_INVALID_REGNUM }; // (s30, s31) 971254721Semaste static uint32_t g_q0_regs[] = { 26, 27, 28, 29, LLDB_INVALID_REGNUM }; // (d0, d1) -> (s0, s1, s2, s3) 972254721Semaste static uint32_t g_q1_regs[] = { 30, 31, 32, 33, LLDB_INVALID_REGNUM }; // (d2, d3) -> (s4, s5, s6, s7) 973254721Semaste static uint32_t g_q2_regs[] = { 34, 35, 36, 37, LLDB_INVALID_REGNUM }; // (d4, d5) -> (s8, s9, s10, s11) 974254721Semaste static uint32_t g_q3_regs[] = { 38, 39, 40, 41, LLDB_INVALID_REGNUM }; // (d6, d7) -> (s12, s13, s14, s15) 975254721Semaste static uint32_t g_q4_regs[] = { 42, 43, 44, 45, LLDB_INVALID_REGNUM }; // (d8, d9) -> (s16, s17, s18, s19) 976254721Semaste static uint32_t g_q5_regs[] = { 46, 47, 48, 49, LLDB_INVALID_REGNUM }; // (d10, d11) -> (s20, s21, s22, s23) 977254721Semaste static uint32_t g_q6_regs[] = { 50, 51, 52, 53, LLDB_INVALID_REGNUM }; // (d12, d13) -> (s24, s25, s26, s27) 978254721Semaste static uint32_t g_q7_regs[] = { 54, 55, 56, 57, LLDB_INVALID_REGNUM }; // (d14, d15) -> (s28, s29, s30, s31) 979254721Semaste static uint32_t g_q8_regs[] = { 59, 60, LLDB_INVALID_REGNUM }; // (d16, d17) 980254721Semaste static uint32_t g_q9_regs[] = { 61, 62, LLDB_INVALID_REGNUM }; // (d18, d19) 981254721Semaste static uint32_t g_q10_regs[] = { 63, 64, LLDB_INVALID_REGNUM }; // (d20, d21) 982254721Semaste static uint32_t g_q11_regs[] = { 65, 66, LLDB_INVALID_REGNUM }; // (d22, d23) 983254721Semaste static uint32_t g_q12_regs[] = { 67, 68, LLDB_INVALID_REGNUM }; // (d24, d25) 984254721Semaste static uint32_t g_q13_regs[] = { 69, 70, LLDB_INVALID_REGNUM }; // (d26, d27) 985254721Semaste static uint32_t g_q14_regs[] = { 71, 72, LLDB_INVALID_REGNUM }; // (d28, d29) 986254721Semaste static uint32_t g_q15_regs[] = { 73, 74, LLDB_INVALID_REGNUM }; // (d30, d31) 987254721Semaste 988254721Semaste // This is our array of composite registers, with each element coming from the above register mappings. 989254721Semaste static uint32_t *g_composites[] = { 990254721Semaste g_d0_regs, g_d1_regs, g_d2_regs, g_d3_regs, g_d4_regs, g_d5_regs, g_d6_regs, g_d7_regs, 991254721Semaste g_d8_regs, g_d9_regs, g_d10_regs, g_d11_regs, g_d12_regs, g_d13_regs, g_d14_regs, g_d15_regs, 992254721Semaste g_q0_regs, g_q1_regs, g_q2_regs, g_q3_regs, g_q4_regs, g_q5_regs, g_q6_regs, g_q7_regs, 993254721Semaste g_q8_regs, g_q9_regs, g_q10_regs, g_q11_regs, g_q12_regs, g_q13_regs, g_q14_regs, g_q15_regs 994254721Semaste }; 995254721Semaste 996254721Semaste static RegisterInfo g_register_infos[] = { 997296417Sdim// NAME ALT SZ OFF ENCODING FORMAT EH_FRAME DWARF GENERIC PROCESS PLUGIN LLDB VALUE REGS INVALIDATE REGS 998296417Sdim// ====== ====== === === ============= ============ =================== =================== ====================== ============= ==== ========== =============== 999296417Sdim { "r0", "arg1", 4, 0, eEncodingUint, eFormatHex, { ehframe_r0, dwarf_r0, LLDB_REGNUM_GENERIC_ARG1,0, 0 }, NULL, NULL}, 1000296417Sdim { "r1", "arg2", 4, 0, eEncodingUint, eFormatHex, { ehframe_r1, dwarf_r1, LLDB_REGNUM_GENERIC_ARG2,1, 1 }, NULL, NULL}, 1001296417Sdim { "r2", "arg3", 4, 0, eEncodingUint, eFormatHex, { ehframe_r2, dwarf_r2, LLDB_REGNUM_GENERIC_ARG3,2, 2 }, NULL, NULL}, 1002296417Sdim { "r3", "arg4", 4, 0, eEncodingUint, eFormatHex, { ehframe_r3, dwarf_r3, LLDB_REGNUM_GENERIC_ARG4,3, 3 }, NULL, NULL}, 1003296417Sdim { "r4", NULL, 4, 0, eEncodingUint, eFormatHex, { ehframe_r4, dwarf_r4, LLDB_INVALID_REGNUM, 4, 4 }, NULL, NULL}, 1004296417Sdim { "r5", NULL, 4, 0, eEncodingUint, eFormatHex, { ehframe_r5, dwarf_r5, LLDB_INVALID_REGNUM, 5, 5 }, NULL, NULL}, 1005296417Sdim { "r6", NULL, 4, 0, eEncodingUint, eFormatHex, { ehframe_r6, dwarf_r6, LLDB_INVALID_REGNUM, 6, 6 }, NULL, NULL}, 1006296417Sdim { "r7", "fp", 4, 0, eEncodingUint, eFormatHex, { ehframe_r7, dwarf_r7, LLDB_REGNUM_GENERIC_FP, 7, 7 }, NULL, NULL}, 1007296417Sdim { "r8", NULL, 4, 0, eEncodingUint, eFormatHex, { ehframe_r8, dwarf_r8, LLDB_INVALID_REGNUM, 8, 8 }, NULL, NULL}, 1008296417Sdim { "r9", NULL, 4, 0, eEncodingUint, eFormatHex, { ehframe_r9, dwarf_r9, LLDB_INVALID_REGNUM, 9, 9 }, NULL, NULL}, 1009296417Sdim { "r10", NULL, 4, 0, eEncodingUint, eFormatHex, { ehframe_r10, dwarf_r10, LLDB_INVALID_REGNUM, 10, 10 }, NULL, NULL}, 1010296417Sdim { "r11", NULL, 4, 0, eEncodingUint, eFormatHex, { ehframe_r11, dwarf_r11, LLDB_INVALID_REGNUM, 11, 11 }, NULL, NULL}, 1011296417Sdim { "r12", NULL, 4, 0, eEncodingUint, eFormatHex, { ehframe_r12, dwarf_r12, LLDB_INVALID_REGNUM, 12, 12 }, NULL, NULL}, 1012296417Sdim { "sp", "r13", 4, 0, eEncodingUint, eFormatHex, { ehframe_sp, dwarf_sp, LLDB_REGNUM_GENERIC_SP, 13, 13 }, NULL, NULL}, 1013296417Sdim { "lr", "r14", 4, 0, eEncodingUint, eFormatHex, { ehframe_lr, dwarf_lr, LLDB_REGNUM_GENERIC_RA, 14, 14 }, NULL, NULL}, 1014296417Sdim { "pc", "r15", 4, 0, eEncodingUint, eFormatHex, { ehframe_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, 15, 15 }, NULL, NULL}, 1015296417Sdim { "f0", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 16, 16 }, NULL, NULL}, 1016296417Sdim { "f1", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 17, 17 }, NULL, NULL}, 1017296417Sdim { "f2", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 18, 18 }, NULL, NULL}, 1018296417Sdim { "f3", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 19, 19 }, NULL, NULL}, 1019296417Sdim { "f4", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 20, 20 }, NULL, NULL}, 1020296417Sdim { "f5", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 21, 21 }, NULL, NULL}, 1021296417Sdim { "f6", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 22, 22 }, NULL, NULL}, 1022296417Sdim { "f7", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 23, 23 }, NULL, NULL}, 1023296417Sdim { "fps", NULL, 4, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 24, 24 }, NULL, NULL}, 1024296417Sdim { "cpsr","flags", 4, 0, eEncodingUint, eFormatHex, { ehframe_cpsr, dwarf_cpsr, LLDB_INVALID_REGNUM, 25, 25 }, NULL, NULL}, 1025296417Sdim { "s0", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s0, LLDB_INVALID_REGNUM, 26, 26 }, NULL, NULL}, 1026296417Sdim { "s1", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s1, LLDB_INVALID_REGNUM, 27, 27 }, NULL, NULL}, 1027296417Sdim { "s2", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s2, LLDB_INVALID_REGNUM, 28, 28 }, NULL, NULL}, 1028296417Sdim { "s3", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s3, LLDB_INVALID_REGNUM, 29, 29 }, NULL, NULL}, 1029296417Sdim { "s4", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s4, LLDB_INVALID_REGNUM, 30, 30 }, NULL, NULL}, 1030296417Sdim { "s5", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s5, LLDB_INVALID_REGNUM, 31, 31 }, NULL, NULL}, 1031296417Sdim { "s6", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s6, LLDB_INVALID_REGNUM, 32, 32 }, NULL, NULL}, 1032296417Sdim { "s7", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s7, LLDB_INVALID_REGNUM, 33, 33 }, NULL, NULL}, 1033296417Sdim { "s8", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s8, LLDB_INVALID_REGNUM, 34, 34 }, NULL, NULL}, 1034296417Sdim { "s9", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s9, LLDB_INVALID_REGNUM, 35, 35 }, NULL, NULL}, 1035296417Sdim { "s10", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s10, LLDB_INVALID_REGNUM, 36, 36 }, NULL, NULL}, 1036296417Sdim { "s11", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s11, LLDB_INVALID_REGNUM, 37, 37 }, NULL, NULL}, 1037296417Sdim { "s12", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s12, LLDB_INVALID_REGNUM, 38, 38 }, NULL, NULL}, 1038296417Sdim { "s13", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s13, LLDB_INVALID_REGNUM, 39, 39 }, NULL, NULL}, 1039296417Sdim { "s14", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s14, LLDB_INVALID_REGNUM, 40, 40 }, NULL, NULL}, 1040296417Sdim { "s15", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s15, LLDB_INVALID_REGNUM, 41, 41 }, NULL, NULL}, 1041296417Sdim { "s16", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s16, LLDB_INVALID_REGNUM, 42, 42 }, NULL, NULL}, 1042296417Sdim { "s17", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s17, LLDB_INVALID_REGNUM, 43, 43 }, NULL, NULL}, 1043296417Sdim { "s18", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s18, LLDB_INVALID_REGNUM, 44, 44 }, NULL, NULL}, 1044296417Sdim { "s19", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s19, LLDB_INVALID_REGNUM, 45, 45 }, NULL, NULL}, 1045296417Sdim { "s20", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s20, LLDB_INVALID_REGNUM, 46, 46 }, NULL, NULL}, 1046296417Sdim { "s21", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s21, LLDB_INVALID_REGNUM, 47, 47 }, NULL, NULL}, 1047296417Sdim { "s22", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s22, LLDB_INVALID_REGNUM, 48, 48 }, NULL, NULL}, 1048296417Sdim { "s23", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s23, LLDB_INVALID_REGNUM, 49, 49 }, NULL, NULL}, 1049296417Sdim { "s24", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s24, LLDB_INVALID_REGNUM, 50, 50 }, NULL, NULL}, 1050296417Sdim { "s25", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s25, LLDB_INVALID_REGNUM, 51, 51 }, NULL, NULL}, 1051296417Sdim { "s26", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s26, LLDB_INVALID_REGNUM, 52, 52 }, NULL, NULL}, 1052296417Sdim { "s27", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s27, LLDB_INVALID_REGNUM, 53, 53 }, NULL, NULL}, 1053296417Sdim { "s28", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s28, LLDB_INVALID_REGNUM, 54, 54 }, NULL, NULL}, 1054296417Sdim { "s29", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s29, LLDB_INVALID_REGNUM, 55, 55 }, NULL, NULL}, 1055296417Sdim { "s30", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s30, LLDB_INVALID_REGNUM, 56, 56 }, NULL, NULL}, 1056296417Sdim { "s31", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s31, LLDB_INVALID_REGNUM, 57, 57 }, NULL, NULL}, 1057296417Sdim { "fpscr",NULL, 4, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 58, 58 }, NULL, NULL}, 1058296417Sdim { "d16", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d16, LLDB_INVALID_REGNUM, 59, 59 }, NULL, NULL}, 1059296417Sdim { "d17", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d17, LLDB_INVALID_REGNUM, 60, 60 }, NULL, NULL}, 1060296417Sdim { "d18", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d18, LLDB_INVALID_REGNUM, 61, 61 }, NULL, NULL}, 1061296417Sdim { "d19", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d19, LLDB_INVALID_REGNUM, 62, 62 }, NULL, NULL}, 1062296417Sdim { "d20", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d20, LLDB_INVALID_REGNUM, 63, 63 }, NULL, NULL}, 1063296417Sdim { "d21", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d21, LLDB_INVALID_REGNUM, 64, 64 }, NULL, NULL}, 1064296417Sdim { "d22", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d22, LLDB_INVALID_REGNUM, 65, 65 }, NULL, NULL}, 1065296417Sdim { "d23", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d23, LLDB_INVALID_REGNUM, 66, 66 }, NULL, NULL}, 1066296417Sdim { "d24", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d24, LLDB_INVALID_REGNUM, 67, 67 }, NULL, NULL}, 1067296417Sdim { "d25", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d25, LLDB_INVALID_REGNUM, 68, 68 }, NULL, NULL}, 1068296417Sdim { "d26", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d26, LLDB_INVALID_REGNUM, 69, 69 }, NULL, NULL}, 1069296417Sdim { "d27", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d27, LLDB_INVALID_REGNUM, 70, 70 }, NULL, NULL}, 1070296417Sdim { "d28", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d28, LLDB_INVALID_REGNUM, 71, 71 }, NULL, NULL}, 1071296417Sdim { "d29", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d29, LLDB_INVALID_REGNUM, 72, 72 }, NULL, NULL}, 1072296417Sdim { "d30", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d30, LLDB_INVALID_REGNUM, 73, 73 }, NULL, NULL}, 1073296417Sdim { "d31", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d31, LLDB_INVALID_REGNUM, 74, 74 }, NULL, NULL}, 1074296417Sdim { "d0", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d0, LLDB_INVALID_REGNUM, 75, 75 }, g_d0_regs, NULL}, 1075296417Sdim { "d1", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d1, LLDB_INVALID_REGNUM, 76, 76 }, g_d1_regs, NULL}, 1076296417Sdim { "d2", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d2, LLDB_INVALID_REGNUM, 77, 77 }, g_d2_regs, NULL}, 1077296417Sdim { "d3", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d3, LLDB_INVALID_REGNUM, 78, 78 }, g_d3_regs, NULL}, 1078296417Sdim { "d4", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d4, LLDB_INVALID_REGNUM, 79, 79 }, g_d4_regs, NULL}, 1079296417Sdim { "d5", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d5, LLDB_INVALID_REGNUM, 80, 80 }, g_d5_regs, NULL}, 1080296417Sdim { "d6", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d6, LLDB_INVALID_REGNUM, 81, 81 }, g_d6_regs, NULL}, 1081296417Sdim { "d7", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d7, LLDB_INVALID_REGNUM, 82, 82 }, g_d7_regs, NULL}, 1082296417Sdim { "d8", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d8, LLDB_INVALID_REGNUM, 83, 83 }, g_d8_regs, NULL}, 1083296417Sdim { "d9", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d9, LLDB_INVALID_REGNUM, 84, 84 }, g_d9_regs, NULL}, 1084296417Sdim { "d10", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d10, LLDB_INVALID_REGNUM, 85, 85 }, g_d10_regs, NULL}, 1085296417Sdim { "d11", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d11, LLDB_INVALID_REGNUM, 86, 86 }, g_d11_regs, NULL}, 1086296417Sdim { "d12", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d12, LLDB_INVALID_REGNUM, 87, 87 }, g_d12_regs, NULL}, 1087296417Sdim { "d13", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d13, LLDB_INVALID_REGNUM, 88, 88 }, g_d13_regs, NULL}, 1088296417Sdim { "d14", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d14, LLDB_INVALID_REGNUM, 89, 89 }, g_d14_regs, NULL}, 1089296417Sdim { "d15", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d15, LLDB_INVALID_REGNUM, 90, 90 }, g_d15_regs, NULL}, 1090296417Sdim { "q0", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q0, LLDB_INVALID_REGNUM, 91, 91 }, g_q0_regs, NULL}, 1091296417Sdim { "q1", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q1, LLDB_INVALID_REGNUM, 92, 92 }, g_q1_regs, NULL}, 1092296417Sdim { "q2", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q2, LLDB_INVALID_REGNUM, 93, 93 }, g_q2_regs, NULL}, 1093296417Sdim { "q3", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q3, LLDB_INVALID_REGNUM, 94, 94 }, g_q3_regs, NULL}, 1094296417Sdim { "q4", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q4, LLDB_INVALID_REGNUM, 95, 95 }, g_q4_regs, NULL}, 1095296417Sdim { "q5", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q5, LLDB_INVALID_REGNUM, 96, 96 }, g_q5_regs, NULL}, 1096296417Sdim { "q6", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q6, LLDB_INVALID_REGNUM, 97, 97 }, g_q6_regs, NULL}, 1097296417Sdim { "q7", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q7, LLDB_INVALID_REGNUM, 98, 98 }, g_q7_regs, NULL}, 1098296417Sdim { "q8", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q8, LLDB_INVALID_REGNUM, 99, 99 }, g_q8_regs, NULL}, 1099296417Sdim { "q9", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q9, LLDB_INVALID_REGNUM, 100, 100 }, g_q9_regs, NULL}, 1100296417Sdim { "q10", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q10, LLDB_INVALID_REGNUM, 101, 101 }, g_q10_regs, NULL}, 1101296417Sdim { "q11", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q11, LLDB_INVALID_REGNUM, 102, 102 }, g_q11_regs, NULL}, 1102296417Sdim { "q12", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q12, LLDB_INVALID_REGNUM, 103, 103 }, g_q12_regs, NULL}, 1103296417Sdim { "q13", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q13, LLDB_INVALID_REGNUM, 104, 104 }, g_q13_regs, NULL}, 1104296417Sdim { "q14", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q14, LLDB_INVALID_REGNUM, 105, 105 }, g_q14_regs, NULL}, 1105296417Sdim { "q15", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q15, LLDB_INVALID_REGNUM, 106, 106 }, g_q15_regs, NULL} 1106254721Semaste }; 1107254721Semaste 1108254721Semaste static const uint32_t num_registers = llvm::array_lengthof(g_register_infos); 1109254721Semaste static ConstString gpr_reg_set ("General Purpose Registers"); 1110254721Semaste static ConstString sfp_reg_set ("Software Floating Point Registers"); 1111254721Semaste static ConstString vfp_reg_set ("Floating Point Registers"); 1112254721Semaste size_t i; 1113254721Semaste if (from_scratch) 1114254721Semaste { 1115254721Semaste // Calculate the offsets of the registers 1116254721Semaste // Note that the layout of the "composite" registers (d0-d15 and q0-q15) which comes after the 1117254721Semaste // "primordial" registers is important. This enables us to calculate the offset of the composite 1118254721Semaste // register by using the offset of its first primordial register. For example, to calculate the 1119254721Semaste // offset of q0, use s0's offset. 1120254721Semaste if (g_register_infos[2].byte_offset == 0) 1121254721Semaste { 1122254721Semaste uint32_t byte_offset = 0; 1123254721Semaste for (i=0; i<num_registers; ++i) 1124254721Semaste { 1125254721Semaste // For primordial registers, increment the byte_offset by the byte_size to arrive at the 1126254721Semaste // byte_offset for the next register. Otherwise, we have a composite register whose 1127254721Semaste // offset can be calculated by consulting the offset of its first primordial register. 1128254721Semaste if (!g_register_infos[i].value_regs) 1129254721Semaste { 1130254721Semaste g_register_infos[i].byte_offset = byte_offset; 1131254721Semaste byte_offset += g_register_infos[i].byte_size; 1132254721Semaste } 1133254721Semaste else 1134254721Semaste { 1135254721Semaste const uint32_t first_primordial_reg = g_register_infos[i].value_regs[0]; 1136254721Semaste g_register_infos[i].byte_offset = g_register_infos[first_primordial_reg].byte_offset; 1137254721Semaste } 1138254721Semaste } 1139254721Semaste } 1140254721Semaste for (i=0; i<num_registers; ++i) 1141254721Semaste { 1142254721Semaste ConstString name; 1143254721Semaste ConstString alt_name; 1144254721Semaste if (g_register_infos[i].name && g_register_infos[i].name[0]) 1145254721Semaste name.SetCString(g_register_infos[i].name); 1146254721Semaste if (g_register_infos[i].alt_name && g_register_infos[i].alt_name[0]) 1147254721Semaste alt_name.SetCString(g_register_infos[i].alt_name); 1148254721Semaste 1149254721Semaste if (i <= 15 || i == 25) 1150254721Semaste AddRegister (g_register_infos[i], name, alt_name, gpr_reg_set); 1151254721Semaste else if (i <= 24) 1152254721Semaste AddRegister (g_register_infos[i], name, alt_name, sfp_reg_set); 1153254721Semaste else 1154254721Semaste AddRegister (g_register_infos[i], name, alt_name, vfp_reg_set); 1155254721Semaste } 1156254721Semaste } 1157254721Semaste else 1158254721Semaste { 1159254721Semaste // Add composite registers to our primordial registers, then. 1160254721Semaste const size_t num_composites = llvm::array_lengthof(g_composites); 1161254721Semaste const size_t num_dynamic_regs = GetNumRegisters(); 1162254721Semaste const size_t num_common_regs = num_registers - num_composites; 1163254721Semaste RegisterInfo *g_comp_register_infos = g_register_infos + num_common_regs; 1164254721Semaste 1165254721Semaste // First we need to validate that all registers that we already have match the non composite regs. 1166254721Semaste // If so, then we can add the registers, else we need to bail 1167254721Semaste bool match = true; 1168254721Semaste if (num_dynamic_regs == num_common_regs) 1169254721Semaste { 1170254721Semaste for (i=0; match && i<num_dynamic_regs; ++i) 1171254721Semaste { 1172254721Semaste // Make sure all register names match 1173254721Semaste if (m_regs[i].name && g_register_infos[i].name) 1174254721Semaste { 1175254721Semaste if (strcmp(m_regs[i].name, g_register_infos[i].name)) 1176254721Semaste { 1177254721Semaste match = false; 1178254721Semaste break; 1179254721Semaste } 1180254721Semaste } 1181254721Semaste 1182254721Semaste // Make sure all register byte sizes match 1183254721Semaste if (m_regs[i].byte_size != g_register_infos[i].byte_size) 1184254721Semaste { 1185254721Semaste match = false; 1186254721Semaste break; 1187254721Semaste } 1188254721Semaste } 1189254721Semaste } 1190254721Semaste else 1191254721Semaste { 1192254721Semaste // Wrong number of registers. 1193254721Semaste match = false; 1194254721Semaste } 1195254721Semaste // If "match" is true, then we can add extra registers. 1196254721Semaste if (match) 1197254721Semaste { 1198254721Semaste for (i=0; i<num_composites; ++i) 1199254721Semaste { 1200254721Semaste ConstString name; 1201254721Semaste ConstString alt_name; 1202254721Semaste const uint32_t first_primordial_reg = g_comp_register_infos[i].value_regs[0]; 1203254721Semaste const char *reg_name = g_register_infos[first_primordial_reg].name; 1204254721Semaste if (reg_name && reg_name[0]) 1205254721Semaste { 1206254721Semaste for (uint32_t j = 0; j < num_dynamic_regs; ++j) 1207254721Semaste { 1208254721Semaste const RegisterInfo *reg_info = GetRegisterInfoAtIndex(j); 1209254721Semaste // Find a matching primordial register info entry. 1210254721Semaste if (reg_info && reg_info->name && ::strcasecmp(reg_info->name, reg_name) == 0) 1211254721Semaste { 1212254721Semaste // The name matches the existing primordial entry. 1213254721Semaste // Find and assign the offset, and then add this composite register entry. 1214254721Semaste g_comp_register_infos[i].byte_offset = reg_info->byte_offset; 1215254721Semaste name.SetCString(g_comp_register_infos[i].name); 1216254721Semaste AddRegister(g_comp_register_infos[i], name, alt_name, vfp_reg_set); 1217254721Semaste } 1218254721Semaste } 1219254721Semaste } 1220254721Semaste } 1221254721Semaste } 1222254721Semaste } 1223254721Semaste} 1224