GDBRemoteRegisterContext.cpp revision 263367
166830Sobrien//===-- GDBRemoteRegisterContext.cpp ----------------------------*- C++ -*-===// 266830Sobrien// 366830Sobrien// The LLVM Compiler Infrastructure 466830Sobrien// 566830Sobrien// This file is distributed under the University of Illinois Open Source 666830Sobrien// License. See LICENSE.TXT for details. 766830Sobrien// 866830Sobrien//===----------------------------------------------------------------------===// 966830Sobrien 1066830Sobrien#include "GDBRemoteRegisterContext.h" 1166830Sobrien 1266830Sobrien// C Includes 1366830Sobrien// C++ Includes 1466830Sobrien// Other libraries and framework includes 1566830Sobrien#include "lldb/Core/DataBufferHeap.h" 1666830Sobrien#include "lldb/Core/DataExtractor.h" 1766830Sobrien#include "lldb/Core/RegisterValue.h" 1866830Sobrien#include "lldb/Core/Scalar.h" 1966830Sobrien#include "lldb/Core/StreamString.h" 2066830Sobrien#ifndef LLDB_DISABLE_PYTHON 2166830Sobrien#include "lldb/Interpreter/PythonDataObjects.h" 2266830Sobrien#endif 2366830Sobrien#include "lldb/Target/ExecutionContext.h" 2466830Sobrien#include "lldb/Utility/Utils.h" 2551231Ssheldonh// Project includes 2651231Ssheldonh#include "Utility/StringExtractorGDBRemote.h" 2766830Sobrien#include "ProcessGDBRemote.h" 2866830Sobrien#include "ProcessGDBRemoteLog.h" 2955520Sluigi#include "ThreadGDBRemote.h" 3043803Sdillon#include "Utility/ARM_GCC_Registers.h" 3155520Sluigi#include "Utility/ARM_DWARF_Registers.h" 3255520Sluigi 3375746Sbsdusing namespace lldb; 3488496Srwatsonusing namespace lldb_private; 3575746Sbsd 3675746Sbsd//---------------------------------------------------------------------- 3743803Sdillon// GDBRemoteRegisterContext constructor 3855520Sluigi//---------------------------------------------------------------------- 3989437SrwatsonGDBRemoteRegisterContext::GDBRemoteRegisterContext 4089437Srwatson( 4143803Sdillon ThreadGDBRemote &thread, 4243803Sdillon uint32_t concrete_frame_idx, 4343803Sdillon GDBRemoteDynamicRegisterInfo ®_info, 4443803Sdillon bool read_all_at_once 4543803Sdillon) : 4643803Sdillon RegisterContext (thread, concrete_frame_idx), 4743803Sdillon m_reg_info (reg_info), 4851231Ssheldonh m_reg_valid (), 4943803Sdillon m_reg_data (), 5051231Ssheldonh m_read_all_at_once (read_all_at_once) 5151231Ssheldonh{ 5251231Ssheldonh // Resize our vector of bools to contain one bool for every register. 5351231Ssheldonh // We will use these boolean values to know when a register value 5443803Sdillon // is valid in m_reg_data. 5543803Sdillon m_reg_valid.resize (reg_info.GetNumRegisters()); 5643803Sdillon 5751231Ssheldonh // Make a heap based buffer that is big enough to store all registers 5851231Ssheldonh DataBufferSP reg_data_sp(new DataBufferHeap (reg_info.GetRegisterDataByteSize(), 0)); 5943803Sdillon m_reg_data.SetData (reg_data_sp); 6043803Sdillon m_reg_data.SetByteOrder(thread.GetProcess()->GetByteOrder()); 6175931Simp} 6275931Simp 6375931Simp//---------------------------------------------------------------------- 6475931Simp// Destructor 6575931Simp//---------------------------------------------------------------------- 6675931SimpGDBRemoteRegisterContext::~GDBRemoteRegisterContext() 6775931Simp{ 6843803Sdillon} 6943803Sdillon 7055520Sluigivoid 7143803SdillonGDBRemoteRegisterContext::InvalidateAllRegisters () 7251231Ssheldonh{ 7343803Sdillon SetAllRegisterValid (false); 7455520Sluigi} 7555520Sluigi 7655520Sluigivoid 7755520SluigiGDBRemoteRegisterContext::SetAllRegisterValid (bool b) 7855520Sluigi{ 7955520Sluigi std::vector<bool>::iterator pos, end = m_reg_valid.end(); 8055520Sluigi for (pos = m_reg_valid.begin(); pos != end; ++pos) 8155520Sluigi *pos = b; 8255520Sluigi} 8355520Sluigi 8455520Sluigisize_t 8555520SluigiGDBRemoteRegisterContext::GetRegisterCount () 8655520Sluigi{ 8755520Sluigi return m_reg_info.GetNumRegisters (); 8855520Sluigi} 8955520Sluigi 9055520Sluigiconst RegisterInfo * 9155520SluigiGDBRemoteRegisterContext::GetRegisterInfoAtIndex (size_t reg) 9255520Sluigi{ 9355520Sluigi return m_reg_info.GetRegisterInfoAtIndex (reg); 9443803Sdillon} 9595280Sobrien 9695280Sobriensize_t 9795280SobrienGDBRemoteRegisterContext::GetRegisterSetCount () 9895280Sobrien{ 9995280Sobrien return m_reg_info.GetNumRegisterSets (); 10095280Sobrien} 10191074Sobrien 10291074Sobrien 10391074Sobrien 10491074Sobrienconst RegisterSet * 10575101SbsdGDBRemoteRegisterContext::GetRegisterSet (size_t reg_set) 10691074Sobrien{ 10791074Sobrien return m_reg_info.GetRegisterSet (reg_set); 10891074Sobrien} 10943803Sdillon 11089438Srwatson 11189438Srwatson 11289438Srwatsonbool 11389438SrwatsonGDBRemoteRegisterContext::ReadRegister (const RegisterInfo *reg_info, RegisterValue &value) 11443803Sdillon{ 11589438Srwatson // Read the register 11689438Srwatson if (ReadRegisterBytes (reg_info, m_reg_data)) 11743803Sdillon { 11895280Sobrien const bool partial_data_ok = false; 11975746Sbsd Error error (value.SetValueFromData(reg_info, m_reg_data, reg_info->byte_offset, partial_data_ok)); 12075746Sbsd return error.Success(); 12175746Sbsd } 12275746Sbsd return false; 12375746Sbsd} 12495280Sobrien 12595280Sobrienbool 12695280SobrienGDBRemoteRegisterContext::PrivateSetRegisterValue (uint32_t reg, StringExtractor &response) 12795280Sobrien{ 12895280Sobrien const RegisterInfo *reg_info = GetRegisterInfoAtIndex (reg); 12995280Sobrien if (reg_info == NULL) 13095280Sobrien return false; 13195280Sobrien 13295280Sobrien // Invalidate if needed 13395280Sobrien InvalidateIfNeeded(false); 13495280Sobrien 13595280Sobrien const uint32_t reg_byte_size = reg_info->byte_size; 13695280Sobrien 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'); 13789438Srwatson bool success = bytes_copied == reg_byte_size; 13889438Srwatson if (success) 13943803Sdillon { 14089438Srwatson SetRegisterIsValid(reg, true); 14189438Srwatson } 14289438Srwatson else if (bytes_copied > 0) 14343803Sdillon { 14443803Sdillon // Only set register is valid to false if we copied some bytes, else 145 // leave it as it was. 146 SetRegisterIsValid(reg, false); 147 } 148 return success; 149} 150 151// Helper function for GDBRemoteRegisterContext::ReadRegisterBytes(). 152bool 153GDBRemoteRegisterContext::GetPrimordialRegister(const lldb_private::RegisterInfo *reg_info, 154 GDBRemoteCommunicationClient &gdb_comm) 155{ 156 const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; 157 StringExtractorGDBRemote response; 158 if (gdb_comm.ReadRegister(m_thread.GetProtocolID(), reg, response)) 159 return PrivateSetRegisterValue (reg, response); 160 return false; 161} 162 163bool 164GDBRemoteRegisterContext::ReadRegisterBytes (const RegisterInfo *reg_info, DataExtractor &data) 165{ 166 ExecutionContext exe_ctx (CalculateThread()); 167 168 Process *process = exe_ctx.GetProcessPtr(); 169 Thread *thread = exe_ctx.GetThreadPtr(); 170 if (process == NULL || thread == NULL) 171 return false; 172 173 GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 174 175 InvalidateIfNeeded(false); 176 177 const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; 178 179 if (!GetRegisterIsValid(reg)) 180 { 181 if (m_read_all_at_once) 182 { 183 StringExtractorGDBRemote response; 184 if (!gdb_comm.ReadAllRegisters(m_thread.GetProtocolID(), response)) 185 return false; 186 if (response.IsNormalResponse()) 187 if (response.GetHexBytes ((void *)m_reg_data.GetDataStart(), m_reg_data.GetByteSize(), '\xcc') == m_reg_data.GetByteSize()) 188 SetAllRegisterValid (true); 189 } 190 else if (reg_info->value_regs) 191 { 192 // Process this composite register request by delegating to the constituent 193 // primordial registers. 194 195 // Index of the primordial register. 196 bool success = true; 197 for (uint32_t idx = 0; success; ++idx) 198 { 199 const uint32_t prim_reg = reg_info->value_regs[idx]; 200 if (prim_reg == LLDB_INVALID_REGNUM) 201 break; 202 // We have a valid primordial regsiter as our constituent. 203 // Grab the corresponding register info. 204 const RegisterInfo *prim_reg_info = GetRegisterInfoAtIndex(prim_reg); 205 if (prim_reg_info == NULL) 206 success = false; 207 else 208 { 209 // Read the containing register if it hasn't already been read 210 if (!GetRegisterIsValid(prim_reg)) 211 success = GetPrimordialRegister(prim_reg_info, gdb_comm); 212 } 213 } 214 215 if (success) 216 { 217 // If we reach this point, all primordial register requests have succeeded. 218 // Validate this composite register. 219 SetRegisterIsValid (reg_info, true); 220 } 221 } 222 else 223 { 224 // Get each register individually 225 GetPrimordialRegister(reg_info, gdb_comm); 226 } 227 228 // Make sure we got a valid register value after reading it 229 if (!GetRegisterIsValid(reg)) 230 return false; 231 } 232 233 if (&data != &m_reg_data) 234 { 235 // If we aren't extracting into our own buffer (which 236 // only happens when this function is called from 237 // ReadRegisterValue(uint32_t, Scalar&)) then 238 // we transfer bytes from our buffer into the data 239 // buffer that was passed in 240 data.SetByteOrder (m_reg_data.GetByteOrder()); 241 data.SetData (m_reg_data, reg_info->byte_offset, reg_info->byte_size); 242 } 243 return true; 244} 245 246bool 247GDBRemoteRegisterContext::WriteRegister (const RegisterInfo *reg_info, 248 const RegisterValue &value) 249{ 250 DataExtractor data; 251 if (value.GetData (data)) 252 return WriteRegisterBytes (reg_info, data, 0); 253 return false; 254} 255 256// Helper function for GDBRemoteRegisterContext::WriteRegisterBytes(). 257bool 258GDBRemoteRegisterContext::SetPrimordialRegister(const lldb_private::RegisterInfo *reg_info, 259 GDBRemoteCommunicationClient &gdb_comm) 260{ 261 StreamString packet; 262 StringExtractorGDBRemote response; 263 const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; 264 packet.Printf ("P%x=", reg); 265 packet.PutBytesAsRawHex8 (m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size), 266 reg_info->byte_size, 267 lldb::endian::InlHostByteOrder(), 268 lldb::endian::InlHostByteOrder()); 269 270 if (gdb_comm.GetThreadSuffixSupported()) 271 packet.Printf (";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 272 273 // Invalidate just this register 274 SetRegisterIsValid(reg, false); 275 if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 276 packet.GetString().size(), 277 response, 278 false)) 279 { 280 if (response.IsOKResponse()) 281 return true; 282 } 283 return false; 284} 285 286void 287GDBRemoteRegisterContext::SyncThreadState(Process *process) 288{ 289 // NB. We assume our caller has locked the sequence mutex. 290 291 GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *) process)->GetGDBRemote()); 292 if (!gdb_comm.GetSyncThreadStateSupported()) 293 return; 294 295 StreamString packet; 296 StringExtractorGDBRemote response; 297 packet.Printf ("QSyncThreadState:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 298 if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 299 packet.GetString().size(), 300 response, 301 false)) 302 { 303 if (response.IsOKResponse()) 304 InvalidateAllRegisters(); 305 } 306} 307 308bool 309GDBRemoteRegisterContext::WriteRegisterBytes (const lldb_private::RegisterInfo *reg_info, DataExtractor &data, uint32_t data_offset) 310{ 311 ExecutionContext exe_ctx (CalculateThread()); 312 313 Process *process = exe_ctx.GetProcessPtr(); 314 Thread *thread = exe_ctx.GetThreadPtr(); 315 if (process == NULL || thread == NULL) 316 return false; 317 318 GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 319// FIXME: This check isn't right because IsRunning checks the Public state, but this 320// is work you need to do - for instance in ShouldStop & friends - before the public 321// state has been changed. 322// if (gdb_comm.IsRunning()) 323// return false; 324 325 // Grab a pointer to where we are going to put this register 326 uint8_t *dst = const_cast<uint8_t*>(m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size)); 327 328 if (dst == NULL) 329 return false; 330 331 332 if (data.CopyByteOrderedData (data_offset, // src offset 333 reg_info->byte_size, // src length 334 dst, // dst 335 reg_info->byte_size, // dst length 336 m_reg_data.GetByteOrder())) // dst byte order 337 { 338 Mutex::Locker locker; 339 if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence mutex for write register.")) 340 { 341 const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); 342 ProcessSP process_sp (m_thread.GetProcess()); 343 if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetProtocolID())) 344 { 345 StreamString packet; 346 StringExtractorGDBRemote response; 347 348 if (m_read_all_at_once) 349 { 350 // Set all registers in one packet 351 packet.PutChar ('G'); 352 packet.PutBytesAsRawHex8 (m_reg_data.GetDataStart(), 353 m_reg_data.GetByteSize(), 354 lldb::endian::InlHostByteOrder(), 355 lldb::endian::InlHostByteOrder()); 356 357 if (thread_suffix_supported) 358 packet.Printf (";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 359 360 // Invalidate all register values 361 InvalidateIfNeeded (true); 362 363 if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 364 packet.GetString().size(), 365 response, 366 false)) 367 { 368 SetAllRegisterValid (false); 369 if (response.IsOKResponse()) 370 { 371 return true; 372 } 373 } 374 } 375 else 376 { 377 bool success = true; 378 379 if (reg_info->value_regs) 380 { 381 // This register is part of another register. In this case we read the actual 382 // register data for any "value_regs", and once all that data is read, we will 383 // have enough data in our register context bytes for the value of this register 384 385 // Invalidate this composite register first. 386 387 for (uint32_t idx = 0; success; ++idx) 388 { 389 const uint32_t reg = reg_info->value_regs[idx]; 390 if (reg == LLDB_INVALID_REGNUM) 391 break; 392 // We have a valid primordial regsiter as our constituent. 393 // Grab the corresponding register info. 394 const RegisterInfo *value_reg_info = GetRegisterInfoAtIndex(reg); 395 if (value_reg_info == NULL) 396 success = false; 397 else 398 success = SetPrimordialRegister(value_reg_info, gdb_comm); 399 } 400 } 401 else 402 { 403 // This is an actual register, write it 404 success = SetPrimordialRegister(reg_info, gdb_comm); 405 } 406 407 // Check if writing this register will invalidate any other register values? 408 // If so, invalidate them 409 if (reg_info->invalidate_regs) 410 { 411 for (uint32_t idx = 0, reg = reg_info->invalidate_regs[0]; 412 reg != LLDB_INVALID_REGNUM; 413 reg = reg_info->invalidate_regs[++idx]) 414 { 415 SetRegisterIsValid(reg, false); 416 } 417 } 418 419 return success; 420 } 421 } 422 } 423 else 424 { 425 Log *log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); 426 if (log) 427 { 428 if (log->GetVerbose()) 429 { 430 StreamString strm; 431 gdb_comm.DumpHistory(strm); 432 log->Printf("error: failed to get packet sequence mutex, not sending write register for \"%s\":\n%s", reg_info->name, strm.GetData()); 433 } 434 else 435 log->Printf("error: failed to get packet sequence mutex, not sending write register for \"%s\"", reg_info->name); 436 } 437 } 438 } 439 return false; 440} 441 442bool 443GDBRemoteRegisterContext::ReadAllRegisterValues (lldb_private::RegisterCheckpoint ®_checkpoint) 444{ 445 ExecutionContext exe_ctx (CalculateThread()); 446 447 Process *process = exe_ctx.GetProcessPtr(); 448 Thread *thread = exe_ctx.GetThreadPtr(); 449 if (process == NULL || thread == NULL) 450 return false; 451 452 GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 453 454 uint32_t save_id = 0; 455 if (gdb_comm.SaveRegisterState(thread->GetProtocolID(), save_id)) 456 { 457 reg_checkpoint.SetID(save_id); 458 reg_checkpoint.GetData().reset(); 459 return true; 460 } 461 else 462 { 463 reg_checkpoint.SetID(0); // Invalid save ID is zero 464 return ReadAllRegisterValues(reg_checkpoint.GetData()); 465 } 466} 467 468bool 469GDBRemoteRegisterContext::WriteAllRegisterValues (const lldb_private::RegisterCheckpoint ®_checkpoint) 470{ 471 uint32_t save_id = reg_checkpoint.GetID(); 472 if (save_id != 0) 473 { 474 ExecutionContext exe_ctx (CalculateThread()); 475 476 Process *process = exe_ctx.GetProcessPtr(); 477 Thread *thread = exe_ctx.GetThreadPtr(); 478 if (process == NULL || thread == NULL) 479 return false; 480 481 GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 482 483 return gdb_comm.RestoreRegisterState(m_thread.GetProtocolID(), save_id); 484 } 485 else 486 { 487 return WriteAllRegisterValues(reg_checkpoint.GetData()); 488 } 489} 490 491bool 492GDBRemoteRegisterContext::ReadAllRegisterValues (lldb::DataBufferSP &data_sp) 493{ 494 ExecutionContext exe_ctx (CalculateThread()); 495 496 Process *process = exe_ctx.GetProcessPtr(); 497 Thread *thread = exe_ctx.GetThreadPtr(); 498 if (process == NULL || thread == NULL) 499 return false; 500 501 GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 502 503 StringExtractorGDBRemote response; 504 505 Mutex::Locker locker; 506 if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence mutex for read all registers.")) 507 { 508 SyncThreadState(process); 509 510 char packet[32]; 511 const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); 512 ProcessSP process_sp (m_thread.GetProcess()); 513 if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetProtocolID())) 514 { 515 int packet_len = 0; 516 if (thread_suffix_supported) 517 packet_len = ::snprintf (packet, sizeof(packet), "g;thread:%4.4" PRIx64, m_thread.GetProtocolID()); 518 else 519 packet_len = ::snprintf (packet, sizeof(packet), "g"); 520 assert (packet_len < ((int)sizeof(packet) - 1)); 521 522 if (gdb_comm.SendPacketAndWaitForResponse(packet, packet_len, response, false)) 523 { 524 if (response.IsErrorResponse()) 525 return false; 526 527 std::string &response_str = response.GetStringRef(); 528 if (isxdigit(response_str[0])) 529 { 530 response_str.insert(0, 1, 'G'); 531 if (thread_suffix_supported) 532 { 533 char thread_id_cstr[64]; 534 ::snprintf (thread_id_cstr, sizeof(thread_id_cstr), ";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 535 response_str.append (thread_id_cstr); 536 } 537 data_sp.reset (new DataBufferHeap (response_str.c_str(), response_str.size())); 538 return true; 539 } 540 } 541 } 542 } 543 else 544 { 545 Log *log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); 546 if (log) 547 { 548 if (log->GetVerbose()) 549 { 550 StreamString strm; 551 gdb_comm.DumpHistory(strm); 552 log->Printf("error: failed to get packet sequence mutex, not sending read all registers:\n%s", strm.GetData()); 553 } 554 else 555 log->Printf("error: failed to get packet sequence mutex, not sending read all registers"); 556 } 557 } 558 559 data_sp.reset(); 560 return false; 561} 562 563bool 564GDBRemoteRegisterContext::WriteAllRegisterValues (const lldb::DataBufferSP &data_sp) 565{ 566 if (!data_sp || data_sp->GetBytes() == NULL || data_sp->GetByteSize() == 0) 567 return false; 568 569 ExecutionContext exe_ctx (CalculateThread()); 570 571 Process *process = exe_ctx.GetProcessPtr(); 572 Thread *thread = exe_ctx.GetThreadPtr(); 573 if (process == NULL || thread == NULL) 574 return false; 575 576 GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 577 578 StringExtractorGDBRemote response; 579 Mutex::Locker locker; 580 if (gdb_comm.GetSequenceMutex (locker, "Didn't get sequence mutex for write all registers.")) 581 { 582 const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); 583 ProcessSP process_sp (m_thread.GetProcess()); 584 if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetProtocolID())) 585 { 586 // The data_sp contains the entire G response packet including the 587 // G, and if the thread suffix is supported, it has the thread suffix 588 // as well. 589 const char *G_packet = (const char *)data_sp->GetBytes(); 590 size_t G_packet_len = data_sp->GetByteSize(); 591 if (gdb_comm.SendPacketAndWaitForResponse (G_packet, 592 G_packet_len, 593 response, 594 false)) 595 { 596 if (response.IsOKResponse()) 597 return true; 598 else if (response.IsErrorResponse()) 599 { 600 uint32_t num_restored = 0; 601 // We need to manually go through all of the registers and 602 // restore them manually 603 604 response.GetStringRef().assign (G_packet, G_packet_len); 605 response.SetFilePos(1); // Skip the leading 'G' 606 DataBufferHeap buffer (m_reg_data.GetByteSize(), 0); 607 DataExtractor restore_data (buffer.GetBytes(), 608 buffer.GetByteSize(), 609 m_reg_data.GetByteOrder(), 610 m_reg_data.GetAddressByteSize()); 611 612 const uint32_t bytes_extracted = response.GetHexBytes ((void *)restore_data.GetDataStart(), 613 restore_data.GetByteSize(), 614 '\xcc'); 615 616 if (bytes_extracted < restore_data.GetByteSize()) 617 restore_data.SetData(restore_data.GetDataStart(), bytes_extracted, m_reg_data.GetByteOrder()); 618 619 //ReadRegisterBytes (const RegisterInfo *reg_info, RegisterValue &value, DataExtractor &data) 620 const RegisterInfo *reg_info; 621 // We have to march the offset of each register along in the 622 // buffer to make sure we get the right offset. 623 uint32_t reg_byte_offset = 0; 624 for (uint32_t reg_idx=0; (reg_info = GetRegisterInfoAtIndex (reg_idx)) != NULL; ++reg_idx, reg_byte_offset += reg_info->byte_size) 625 { 626 const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; 627 628 // Skip composite registers. 629 if (reg_info->value_regs) 630 continue; 631 632 // Only write down the registers that need to be written 633 // if we are going to be doing registers individually. 634 bool write_reg = true; 635 const uint32_t reg_byte_size = reg_info->byte_size; 636 637 const char *restore_src = (const char *)restore_data.PeekData(reg_byte_offset, reg_byte_size); 638 if (restore_src) 639 { 640 if (GetRegisterIsValid(reg)) 641 { 642 const char *current_src = (const char *)m_reg_data.PeekData(reg_byte_offset, reg_byte_size); 643 if (current_src) 644 write_reg = memcmp (current_src, restore_src, reg_byte_size) != 0; 645 } 646 647 if (write_reg) 648 { 649 StreamString packet; 650 packet.Printf ("P%x=", reg); 651 packet.PutBytesAsRawHex8 (restore_src, 652 reg_byte_size, 653 lldb::endian::InlHostByteOrder(), 654 lldb::endian::InlHostByteOrder()); 655 656 if (thread_suffix_supported) 657 packet.Printf (";thread:%4.4" PRIx64 ";", m_thread.GetProtocolID()); 658 659 SetRegisterIsValid(reg, false); 660 if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 661 packet.GetString().size(), 662 response, 663 false)) 664 { 665 if (response.IsOKResponse()) 666 ++num_restored; 667 } 668 } 669 } 670 } 671 return num_restored > 0; 672 } 673 } 674 } 675 } 676 else 677 { 678 Log *log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); 679 if (log) 680 { 681 if (log->GetVerbose()) 682 { 683 StreamString strm; 684 gdb_comm.DumpHistory(strm); 685 log->Printf("error: failed to get packet sequence mutex, not sending write all registers:\n%s", strm.GetData()); 686 } 687 else 688 log->Printf("error: failed to get packet sequence mutex, not sending write all registers"); 689 } 690 } 691 return false; 692} 693 694 695uint32_t 696GDBRemoteRegisterContext::ConvertRegisterKindToRegisterNumber (uint32_t kind, uint32_t num) 697{ 698 return m_reg_info.ConvertRegisterKindToRegisterNumber (kind, num); 699} 700 701 702void 703GDBRemoteDynamicRegisterInfo::HardcodeARMRegisters(bool from_scratch) 704{ 705 // For Advanced SIMD and VFP register mapping. 706 static uint32_t g_d0_regs[] = { 26, 27, LLDB_INVALID_REGNUM }; // (s0, s1) 707 static uint32_t g_d1_regs[] = { 28, 29, LLDB_INVALID_REGNUM }; // (s2, s3) 708 static uint32_t g_d2_regs[] = { 30, 31, LLDB_INVALID_REGNUM }; // (s4, s5) 709 static uint32_t g_d3_regs[] = { 32, 33, LLDB_INVALID_REGNUM }; // (s6, s7) 710 static uint32_t g_d4_regs[] = { 34, 35, LLDB_INVALID_REGNUM }; // (s8, s9) 711 static uint32_t g_d5_regs[] = { 36, 37, LLDB_INVALID_REGNUM }; // (s10, s11) 712 static uint32_t g_d6_regs[] = { 38, 39, LLDB_INVALID_REGNUM }; // (s12, s13) 713 static uint32_t g_d7_regs[] = { 40, 41, LLDB_INVALID_REGNUM }; // (s14, s15) 714 static uint32_t g_d8_regs[] = { 42, 43, LLDB_INVALID_REGNUM }; // (s16, s17) 715 static uint32_t g_d9_regs[] = { 44, 45, LLDB_INVALID_REGNUM }; // (s18, s19) 716 static uint32_t g_d10_regs[] = { 46, 47, LLDB_INVALID_REGNUM }; // (s20, s21) 717 static uint32_t g_d11_regs[] = { 48, 49, LLDB_INVALID_REGNUM }; // (s22, s23) 718 static uint32_t g_d12_regs[] = { 50, 51, LLDB_INVALID_REGNUM }; // (s24, s25) 719 static uint32_t g_d13_regs[] = { 52, 53, LLDB_INVALID_REGNUM }; // (s26, s27) 720 static uint32_t g_d14_regs[] = { 54, 55, LLDB_INVALID_REGNUM }; // (s28, s29) 721 static uint32_t g_d15_regs[] = { 56, 57, LLDB_INVALID_REGNUM }; // (s30, s31) 722 static uint32_t g_q0_regs[] = { 26, 27, 28, 29, LLDB_INVALID_REGNUM }; // (d0, d1) -> (s0, s1, s2, s3) 723 static uint32_t g_q1_regs[] = { 30, 31, 32, 33, LLDB_INVALID_REGNUM }; // (d2, d3) -> (s4, s5, s6, s7) 724 static uint32_t g_q2_regs[] = { 34, 35, 36, 37, LLDB_INVALID_REGNUM }; // (d4, d5) -> (s8, s9, s10, s11) 725 static uint32_t g_q3_regs[] = { 38, 39, 40, 41, LLDB_INVALID_REGNUM }; // (d6, d7) -> (s12, s13, s14, s15) 726 static uint32_t g_q4_regs[] = { 42, 43, 44, 45, LLDB_INVALID_REGNUM }; // (d8, d9) -> (s16, s17, s18, s19) 727 static uint32_t g_q5_regs[] = { 46, 47, 48, 49, LLDB_INVALID_REGNUM }; // (d10, d11) -> (s20, s21, s22, s23) 728 static uint32_t g_q6_regs[] = { 50, 51, 52, 53, LLDB_INVALID_REGNUM }; // (d12, d13) -> (s24, s25, s26, s27) 729 static uint32_t g_q7_regs[] = { 54, 55, 56, 57, LLDB_INVALID_REGNUM }; // (d14, d15) -> (s28, s29, s30, s31) 730 static uint32_t g_q8_regs[] = { 59, 60, LLDB_INVALID_REGNUM }; // (d16, d17) 731 static uint32_t g_q9_regs[] = { 61, 62, LLDB_INVALID_REGNUM }; // (d18, d19) 732 static uint32_t g_q10_regs[] = { 63, 64, LLDB_INVALID_REGNUM }; // (d20, d21) 733 static uint32_t g_q11_regs[] = { 65, 66, LLDB_INVALID_REGNUM }; // (d22, d23) 734 static uint32_t g_q12_regs[] = { 67, 68, LLDB_INVALID_REGNUM }; // (d24, d25) 735 static uint32_t g_q13_regs[] = { 69, 70, LLDB_INVALID_REGNUM }; // (d26, d27) 736 static uint32_t g_q14_regs[] = { 71, 72, LLDB_INVALID_REGNUM }; // (d28, d29) 737 static uint32_t g_q15_regs[] = { 73, 74, LLDB_INVALID_REGNUM }; // (d30, d31) 738 739 // This is our array of composite registers, with each element coming from the above register mappings. 740 static uint32_t *g_composites[] = { 741 g_d0_regs, g_d1_regs, g_d2_regs, g_d3_regs, g_d4_regs, g_d5_regs, g_d6_regs, g_d7_regs, 742 g_d8_regs, g_d9_regs, g_d10_regs, g_d11_regs, g_d12_regs, g_d13_regs, g_d14_regs, g_d15_regs, 743 g_q0_regs, g_q1_regs, g_q2_regs, g_q3_regs, g_q4_regs, g_q5_regs, g_q6_regs, g_q7_regs, 744 g_q8_regs, g_q9_regs, g_q10_regs, g_q11_regs, g_q12_regs, g_q13_regs, g_q14_regs, g_q15_regs 745 }; 746 747 static RegisterInfo g_register_infos[] = { 748// NAME ALT SZ OFF ENCODING FORMAT COMPILER DWARF GENERIC GDB LLDB VALUE REGS INVALIDATE REGS 749// ====== ====== === === ============= ============ =================== =================== ====================== === ==== ========== =============== 750 { "r0", "arg1", 4, 0, eEncodingUint, eFormatHex, { gcc_r0, dwarf_r0, LLDB_REGNUM_GENERIC_ARG1,0, 0 }, NULL, NULL}, 751 { "r1", "arg2", 4, 0, eEncodingUint, eFormatHex, { gcc_r1, dwarf_r1, LLDB_REGNUM_GENERIC_ARG2,1, 1 }, NULL, NULL}, 752 { "r2", "arg3", 4, 0, eEncodingUint, eFormatHex, { gcc_r2, dwarf_r2, LLDB_REGNUM_GENERIC_ARG3,2, 2 }, NULL, NULL}, 753 { "r3", "arg4", 4, 0, eEncodingUint, eFormatHex, { gcc_r3, dwarf_r3, LLDB_REGNUM_GENERIC_ARG4,3, 3 }, NULL, NULL}, 754 { "r4", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r4, dwarf_r4, LLDB_INVALID_REGNUM, 4, 4 }, NULL, NULL}, 755 { "r5", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r5, dwarf_r5, LLDB_INVALID_REGNUM, 5, 5 }, NULL, NULL}, 756 { "r6", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r6, dwarf_r6, LLDB_INVALID_REGNUM, 6, 6 }, NULL, NULL}, 757 { "r7", "fp", 4, 0, eEncodingUint, eFormatHex, { gcc_r7, dwarf_r7, LLDB_REGNUM_GENERIC_FP, 7, 7 }, NULL, NULL}, 758 { "r8", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r8, dwarf_r8, LLDB_INVALID_REGNUM, 8, 8 }, NULL, NULL}, 759 { "r9", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r9, dwarf_r9, LLDB_INVALID_REGNUM, 9, 9 }, NULL, NULL}, 760 { "r10", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r10, dwarf_r10, LLDB_INVALID_REGNUM, 10, 10 }, NULL, NULL}, 761 { "r11", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r11, dwarf_r11, LLDB_INVALID_REGNUM, 11, 11 }, NULL, NULL}, 762 { "r12", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r12, dwarf_r12, LLDB_INVALID_REGNUM, 12, 12 }, NULL, NULL}, 763 { "sp", "r13", 4, 0, eEncodingUint, eFormatHex, { gcc_sp, dwarf_sp, LLDB_REGNUM_GENERIC_SP, 13, 13 }, NULL, NULL}, 764 { "lr", "r14", 4, 0, eEncodingUint, eFormatHex, { gcc_lr, dwarf_lr, LLDB_REGNUM_GENERIC_RA, 14, 14 }, NULL, NULL}, 765 { "pc", "r15", 4, 0, eEncodingUint, eFormatHex, { gcc_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, 15, 15 }, NULL, NULL}, 766 { "f0", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 16, 16 }, NULL, NULL}, 767 { "f1", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 17, 17 }, NULL, NULL}, 768 { "f2", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 18, 18 }, NULL, NULL}, 769 { "f3", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 19, 19 }, NULL, NULL}, 770 { "f4", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 20, 20 }, NULL, NULL}, 771 { "f5", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 21, 21 }, NULL, NULL}, 772 { "f6", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 22, 22 }, NULL, NULL}, 773 { "f7", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 23, 23 }, NULL, NULL}, 774 { "fps", NULL, 4, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 24, 24 }, NULL, NULL}, 775 { "cpsr","flags", 4, 0, eEncodingUint, eFormatHex, { gcc_cpsr, dwarf_cpsr, LLDB_INVALID_REGNUM, 25, 25 }, NULL, NULL}, 776 { "s0", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s0, LLDB_INVALID_REGNUM, 26, 26 }, NULL, NULL}, 777 { "s1", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s1, LLDB_INVALID_REGNUM, 27, 27 }, NULL, NULL}, 778 { "s2", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s2, LLDB_INVALID_REGNUM, 28, 28 }, NULL, NULL}, 779 { "s3", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s3, LLDB_INVALID_REGNUM, 29, 29 }, NULL, NULL}, 780 { "s4", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s4, LLDB_INVALID_REGNUM, 30, 30 }, NULL, NULL}, 781 { "s5", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s5, LLDB_INVALID_REGNUM, 31, 31 }, NULL, NULL}, 782 { "s6", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s6, LLDB_INVALID_REGNUM, 32, 32 }, NULL, NULL}, 783 { "s7", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s7, LLDB_INVALID_REGNUM, 33, 33 }, NULL, NULL}, 784 { "s8", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s8, LLDB_INVALID_REGNUM, 34, 34 }, NULL, NULL}, 785 { "s9", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s9, LLDB_INVALID_REGNUM, 35, 35 }, NULL, NULL}, 786 { "s10", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s10, LLDB_INVALID_REGNUM, 36, 36 }, NULL, NULL}, 787 { "s11", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s11, LLDB_INVALID_REGNUM, 37, 37 }, NULL, NULL}, 788 { "s12", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s12, LLDB_INVALID_REGNUM, 38, 38 }, NULL, NULL}, 789 { "s13", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s13, LLDB_INVALID_REGNUM, 39, 39 }, NULL, NULL}, 790 { "s14", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s14, LLDB_INVALID_REGNUM, 40, 40 }, NULL, NULL}, 791 { "s15", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s15, LLDB_INVALID_REGNUM, 41, 41 }, NULL, NULL}, 792 { "s16", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s16, LLDB_INVALID_REGNUM, 42, 42 }, NULL, NULL}, 793 { "s17", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s17, LLDB_INVALID_REGNUM, 43, 43 }, NULL, NULL}, 794 { "s18", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s18, LLDB_INVALID_REGNUM, 44, 44 }, NULL, NULL}, 795 { "s19", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s19, LLDB_INVALID_REGNUM, 45, 45 }, NULL, NULL}, 796 { "s20", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s20, LLDB_INVALID_REGNUM, 46, 46 }, NULL, NULL}, 797 { "s21", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s21, LLDB_INVALID_REGNUM, 47, 47 }, NULL, NULL}, 798 { "s22", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s22, LLDB_INVALID_REGNUM, 48, 48 }, NULL, NULL}, 799 { "s23", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s23, LLDB_INVALID_REGNUM, 49, 49 }, NULL, NULL}, 800 { "s24", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s24, LLDB_INVALID_REGNUM, 50, 50 }, NULL, NULL}, 801 { "s25", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s25, LLDB_INVALID_REGNUM, 51, 51 }, NULL, NULL}, 802 { "s26", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s26, LLDB_INVALID_REGNUM, 52, 52 }, NULL, NULL}, 803 { "s27", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s27, LLDB_INVALID_REGNUM, 53, 53 }, NULL, NULL}, 804 { "s28", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s28, LLDB_INVALID_REGNUM, 54, 54 }, NULL, NULL}, 805 { "s29", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s29, LLDB_INVALID_REGNUM, 55, 55 }, NULL, NULL}, 806 { "s30", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s30, LLDB_INVALID_REGNUM, 56, 56 }, NULL, NULL}, 807 { "s31", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s31, LLDB_INVALID_REGNUM, 57, 57 }, NULL, NULL}, 808 { "fpscr",NULL, 4, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 58, 58 }, NULL, NULL}, 809 { "d16", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d16, LLDB_INVALID_REGNUM, 59, 59 }, NULL, NULL}, 810 { "d17", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d17, LLDB_INVALID_REGNUM, 60, 60 }, NULL, NULL}, 811 { "d18", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d18, LLDB_INVALID_REGNUM, 61, 61 }, NULL, NULL}, 812 { "d19", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d19, LLDB_INVALID_REGNUM, 62, 62 }, NULL, NULL}, 813 { "d20", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d20, LLDB_INVALID_REGNUM, 63, 63 }, NULL, NULL}, 814 { "d21", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d21, LLDB_INVALID_REGNUM, 64, 64 }, NULL, NULL}, 815 { "d22", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d22, LLDB_INVALID_REGNUM, 65, 65 }, NULL, NULL}, 816 { "d23", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d23, LLDB_INVALID_REGNUM, 66, 66 }, NULL, NULL}, 817 { "d24", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d24, LLDB_INVALID_REGNUM, 67, 67 }, NULL, NULL}, 818 { "d25", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d25, LLDB_INVALID_REGNUM, 68, 68 }, NULL, NULL}, 819 { "d26", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d26, LLDB_INVALID_REGNUM, 69, 69 }, NULL, NULL}, 820 { "d27", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d27, LLDB_INVALID_REGNUM, 70, 70 }, NULL, NULL}, 821 { "d28", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d28, LLDB_INVALID_REGNUM, 71, 71 }, NULL, NULL}, 822 { "d29", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d29, LLDB_INVALID_REGNUM, 72, 72 }, NULL, NULL}, 823 { "d30", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d30, LLDB_INVALID_REGNUM, 73, 73 }, NULL, NULL}, 824 { "d31", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d31, LLDB_INVALID_REGNUM, 74, 74 }, NULL, NULL}, 825 { "d0", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d0, LLDB_INVALID_REGNUM, 75, 75 }, g_d0_regs, NULL}, 826 { "d1", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d1, LLDB_INVALID_REGNUM, 76, 76 }, g_d1_regs, NULL}, 827 { "d2", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d2, LLDB_INVALID_REGNUM, 77, 77 }, g_d2_regs, NULL}, 828 { "d3", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d3, LLDB_INVALID_REGNUM, 78, 78 }, g_d3_regs, NULL}, 829 { "d4", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d4, LLDB_INVALID_REGNUM, 79, 79 }, g_d4_regs, NULL}, 830 { "d5", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d5, LLDB_INVALID_REGNUM, 80, 80 }, g_d5_regs, NULL}, 831 { "d6", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d6, LLDB_INVALID_REGNUM, 81, 81 }, g_d6_regs, NULL}, 832 { "d7", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d7, LLDB_INVALID_REGNUM, 82, 82 }, g_d7_regs, NULL}, 833 { "d8", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d8, LLDB_INVALID_REGNUM, 83, 83 }, g_d8_regs, NULL}, 834 { "d9", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d9, LLDB_INVALID_REGNUM, 84, 84 }, g_d9_regs, NULL}, 835 { "d10", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d10, LLDB_INVALID_REGNUM, 85, 85 }, g_d10_regs, NULL}, 836 { "d11", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d11, LLDB_INVALID_REGNUM, 86, 86 }, g_d11_regs, NULL}, 837 { "d12", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d12, LLDB_INVALID_REGNUM, 87, 87 }, g_d12_regs, NULL}, 838 { "d13", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d13, LLDB_INVALID_REGNUM, 88, 88 }, g_d13_regs, NULL}, 839 { "d14", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d14, LLDB_INVALID_REGNUM, 89, 89 }, g_d14_regs, NULL}, 840 { "d15", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d15, LLDB_INVALID_REGNUM, 90, 90 }, g_d15_regs, NULL}, 841 { "q0", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q0, LLDB_INVALID_REGNUM, 91, 91 }, g_q0_regs, NULL}, 842 { "q1", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q1, LLDB_INVALID_REGNUM, 92, 92 }, g_q1_regs, NULL}, 843 { "q2", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q2, LLDB_INVALID_REGNUM, 93, 93 }, g_q2_regs, NULL}, 844 { "q3", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q3, LLDB_INVALID_REGNUM, 94, 94 }, g_q3_regs, NULL}, 845 { "q4", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q4, LLDB_INVALID_REGNUM, 95, 95 }, g_q4_regs, NULL}, 846 { "q5", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q5, LLDB_INVALID_REGNUM, 96, 96 }, g_q5_regs, NULL}, 847 { "q6", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q6, LLDB_INVALID_REGNUM, 97, 97 }, g_q6_regs, NULL}, 848 { "q7", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q7, LLDB_INVALID_REGNUM, 98, 98 }, g_q7_regs, NULL}, 849 { "q8", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q8, LLDB_INVALID_REGNUM, 99, 99 }, g_q8_regs, NULL}, 850 { "q9", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q9, LLDB_INVALID_REGNUM, 100, 100 }, g_q9_regs, NULL}, 851 { "q10", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q10, LLDB_INVALID_REGNUM, 101, 101 }, g_q10_regs, NULL}, 852 { "q11", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q11, LLDB_INVALID_REGNUM, 102, 102 }, g_q11_regs, NULL}, 853 { "q12", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q12, LLDB_INVALID_REGNUM, 103, 103 }, g_q12_regs, NULL}, 854 { "q13", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q13, LLDB_INVALID_REGNUM, 104, 104 }, g_q13_regs, NULL}, 855 { "q14", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q14, LLDB_INVALID_REGNUM, 105, 105 }, g_q14_regs, NULL}, 856 { "q15", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q15, LLDB_INVALID_REGNUM, 106, 106 }, g_q15_regs, NULL} 857 }; 858 859 static const uint32_t num_registers = llvm::array_lengthof(g_register_infos); 860 static ConstString gpr_reg_set ("General Purpose Registers"); 861 static ConstString sfp_reg_set ("Software Floating Point Registers"); 862 static ConstString vfp_reg_set ("Floating Point Registers"); 863 size_t i; 864 if (from_scratch) 865 { 866 // Calculate the offsets of the registers 867 // Note that the layout of the "composite" registers (d0-d15 and q0-q15) which comes after the 868 // "primordial" registers is important. This enables us to calculate the offset of the composite 869 // register by using the offset of its first primordial register. For example, to calculate the 870 // offset of q0, use s0's offset. 871 if (g_register_infos[2].byte_offset == 0) 872 { 873 uint32_t byte_offset = 0; 874 for (i=0; i<num_registers; ++i) 875 { 876 // For primordial registers, increment the byte_offset by the byte_size to arrive at the 877 // byte_offset for the next register. Otherwise, we have a composite register whose 878 // offset can be calculated by consulting the offset of its first primordial register. 879 if (!g_register_infos[i].value_regs) 880 { 881 g_register_infos[i].byte_offset = byte_offset; 882 byte_offset += g_register_infos[i].byte_size; 883 } 884 else 885 { 886 const uint32_t first_primordial_reg = g_register_infos[i].value_regs[0]; 887 g_register_infos[i].byte_offset = g_register_infos[first_primordial_reg].byte_offset; 888 } 889 } 890 } 891 for (i=0; i<num_registers; ++i) 892 { 893 ConstString name; 894 ConstString alt_name; 895 if (g_register_infos[i].name && g_register_infos[i].name[0]) 896 name.SetCString(g_register_infos[i].name); 897 if (g_register_infos[i].alt_name && g_register_infos[i].alt_name[0]) 898 alt_name.SetCString(g_register_infos[i].alt_name); 899 900 if (i <= 15 || i == 25) 901 AddRegister (g_register_infos[i], name, alt_name, gpr_reg_set); 902 else if (i <= 24) 903 AddRegister (g_register_infos[i], name, alt_name, sfp_reg_set); 904 else 905 AddRegister (g_register_infos[i], name, alt_name, vfp_reg_set); 906 } 907 } 908 else 909 { 910 // Add composite registers to our primordial registers, then. 911 const size_t num_composites = llvm::array_lengthof(g_composites); 912 const size_t num_dynamic_regs = GetNumRegisters(); 913 const size_t num_common_regs = num_registers - num_composites; 914 RegisterInfo *g_comp_register_infos = g_register_infos + num_common_regs; 915 916 // First we need to validate that all registers that we already have match the non composite regs. 917 // If so, then we can add the registers, else we need to bail 918 bool match = true; 919 if (num_dynamic_regs == num_common_regs) 920 { 921 for (i=0; match && i<num_dynamic_regs; ++i) 922 { 923 // Make sure all register names match 924 if (m_regs[i].name && g_register_infos[i].name) 925 { 926 if (strcmp(m_regs[i].name, g_register_infos[i].name)) 927 { 928 match = false; 929 break; 930 } 931 } 932 933 // Make sure all register byte sizes match 934 if (m_regs[i].byte_size != g_register_infos[i].byte_size) 935 { 936 match = false; 937 break; 938 } 939 } 940 } 941 else 942 { 943 // Wrong number of registers. 944 match = false; 945 } 946 // If "match" is true, then we can add extra registers. 947 if (match) 948 { 949 for (i=0; i<num_composites; ++i) 950 { 951 ConstString name; 952 ConstString alt_name; 953 const uint32_t first_primordial_reg = g_comp_register_infos[i].value_regs[0]; 954 const char *reg_name = g_register_infos[first_primordial_reg].name; 955 if (reg_name && reg_name[0]) 956 { 957 for (uint32_t j = 0; j < num_dynamic_regs; ++j) 958 { 959 const RegisterInfo *reg_info = GetRegisterInfoAtIndex(j); 960 // Find a matching primordial register info entry. 961 if (reg_info && reg_info->name && ::strcasecmp(reg_info->name, reg_name) == 0) 962 { 963 // The name matches the existing primordial entry. 964 // Find and assign the offset, and then add this composite register entry. 965 g_comp_register_infos[i].byte_offset = reg_info->byte_offset; 966 name.SetCString(g_comp_register_infos[i].name); 967 AddRegister(g_comp_register_infos[i], name, alt_name, vfp_reg_set); 968 } 969 } 970 } 971 } 972 } 973 } 974} 975