GDBRemoteRegisterContext.cpp revision 627ca95187f5ff0fa51fd339891f24e0f7da408d
1//===-- GDBRemoteRegisterContext.cpp ----------------------------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#include "GDBRemoteRegisterContext.h" 11 12// C Includes 13// C++ Includes 14// Other libraries and framework includes 15#include "lldb/Core/DataBufferHeap.h" 16#include "lldb/Core/DataExtractor.h" 17#include "lldb/Core/RegisterValue.h" 18#include "lldb/Core/Scalar.h" 19#include "lldb/Core/StreamString.h" 20#include "lldb/Target/ExecutionContext.h" 21#include "lldb/Utility/Utils.h" 22// Project includes 23#include "Utility/StringExtractorGDBRemote.h" 24#include "ProcessGDBRemote.h" 25#include "ProcessGDBRemoteLog.h" 26#include "ThreadGDBRemote.h" 27#include "Utility/ARM_GCC_Registers.h" 28#include "Utility/ARM_DWARF_Registers.h" 29 30using namespace lldb; 31using namespace lldb_private; 32 33//---------------------------------------------------------------------- 34// GDBRemoteRegisterContext constructor 35//---------------------------------------------------------------------- 36GDBRemoteRegisterContext::GDBRemoteRegisterContext 37( 38 ThreadGDBRemote &thread, 39 uint32_t concrete_frame_idx, 40 GDBRemoteDynamicRegisterInfo ®_info, 41 bool read_all_at_once 42) : 43 RegisterContext (thread, concrete_frame_idx), 44 m_reg_info (reg_info), 45 m_reg_valid (), 46 m_reg_data (), 47 m_read_all_at_once (read_all_at_once) 48{ 49 // Resize our vector of bools to contain one bool for every register. 50 // We will use these boolean values to know when a register value 51 // is valid in m_reg_data. 52 m_reg_valid.resize (reg_info.GetNumRegisters()); 53 54 // Make a heap based buffer that is big enough to store all registers 55 DataBufferSP reg_data_sp(new DataBufferHeap (reg_info.GetRegisterDataByteSize(), 0)); 56 m_reg_data.SetData (reg_data_sp); 57 58} 59 60//---------------------------------------------------------------------- 61// Destructor 62//---------------------------------------------------------------------- 63GDBRemoteRegisterContext::~GDBRemoteRegisterContext() 64{ 65} 66 67void 68GDBRemoteRegisterContext::InvalidateAllRegisters () 69{ 70 SetAllRegisterValid (false); 71} 72 73void 74GDBRemoteRegisterContext::SetAllRegisterValid (bool b) 75{ 76 std::vector<bool>::iterator pos, end = m_reg_valid.end(); 77 for (pos = m_reg_valid.begin(); pos != end; ++pos) 78 *pos = b; 79} 80 81size_t 82GDBRemoteRegisterContext::GetRegisterCount () 83{ 84 return m_reg_info.GetNumRegisters (); 85} 86 87const RegisterInfo * 88GDBRemoteRegisterContext::GetRegisterInfoAtIndex (uint32_t reg) 89{ 90 return m_reg_info.GetRegisterInfoAtIndex (reg); 91} 92 93size_t 94GDBRemoteRegisterContext::GetRegisterSetCount () 95{ 96 return m_reg_info.GetNumRegisterSets (); 97} 98 99 100 101const RegisterSet * 102GDBRemoteRegisterContext::GetRegisterSet (uint32_t reg_set) 103{ 104 return m_reg_info.GetRegisterSet (reg_set); 105} 106 107 108 109bool 110GDBRemoteRegisterContext::ReadRegister (const RegisterInfo *reg_info, RegisterValue &value) 111{ 112 // Read the register 113 if (ReadRegisterBytes (reg_info, m_reg_data)) 114 { 115 const bool partial_data_ok = false; 116 Error error (value.SetValueFromData(reg_info, m_reg_data, reg_info->byte_offset, partial_data_ok)); 117 return error.Success(); 118 } 119 return false; 120} 121 122bool 123GDBRemoteRegisterContext::PrivateSetRegisterValue (uint32_t reg, StringExtractor &response) 124{ 125 const RegisterInfo *reg_info = GetRegisterInfoAtIndex (reg); 126 if (reg_info == NULL) 127 return false; 128 129 // Invalidate if needed 130 InvalidateIfNeeded(false); 131 132 const uint32_t reg_byte_size = reg_info->byte_size; 133 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'); 134 bool success = bytes_copied == reg_byte_size; 135 if (success) 136 { 137 m_reg_valid[reg] = true; 138 } 139 else if (bytes_copied > 0) 140 { 141 // Only set register is valid to false if we copied some bytes, else 142 // leave it as it was. 143 m_reg_valid[reg] = false; 144 } 145 return success; 146} 147 148// Helper function for GDBRemoteRegisterContext::ReadRegisterBytes(). 149bool 150GDBRemoteRegisterContext::GetPrimordialRegister(const lldb_private::RegisterInfo *reg_info, 151 GDBRemoteCommunicationClient &gdb_comm) 152{ 153 char packet[64]; 154 StringExtractorGDBRemote response; 155 int packet_len = 0; 156 const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; 157 if (gdb_comm.GetThreadSuffixSupported()) 158 packet_len = ::snprintf (packet, sizeof(packet), "p%x;thread:%4.4llx;", reg, m_thread.GetID()); 159 else 160 packet_len = ::snprintf (packet, sizeof(packet), "p%x", reg); 161 assert (packet_len < (sizeof(packet) - 1)); 162 if (gdb_comm.SendPacketAndWaitForResponse(packet, response, false)) 163 return PrivateSetRegisterValue (reg, response); 164 165 return false; 166} 167bool 168GDBRemoteRegisterContext::ReadRegisterBytes (const RegisterInfo *reg_info, DataExtractor &data) 169{ 170 ExecutionContext exe_ctx (CalculateThread()); 171 172 Process *process = exe_ctx.GetProcessPtr(); 173 Thread *thread = exe_ctx.GetThreadPtr(); 174 if (process == NULL || thread == NULL) 175 return false; 176 177 GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 178 179 InvalidateIfNeeded(false); 180 181 const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; 182 183 if (!m_reg_valid[reg]) 184 { 185 Mutex::Locker locker; 186 if (gdb_comm.GetSequenceMutex (locker)) 187 { 188 const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); 189 ProcessSP process_sp (m_thread.GetProcess()); 190 if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetID())) 191 { 192 char packet[64]; 193 StringExtractorGDBRemote response; 194 int packet_len = 0; 195 if (m_read_all_at_once) 196 { 197 // Get all registers in one packet 198 if (thread_suffix_supported) 199 packet_len = ::snprintf (packet, sizeof(packet), "g;thread:%4.4llx;", m_thread.GetID()); 200 else 201 packet_len = ::snprintf (packet, sizeof(packet), "g"); 202 assert (packet_len < (sizeof(packet) - 1)); 203 if (gdb_comm.SendPacketAndWaitForResponse(packet, response, false)) 204 { 205 if (response.IsNormalResponse()) 206 if (response.GetHexBytes ((void *)m_reg_data.GetDataStart(), m_reg_data.GetByteSize(), '\xcc') == m_reg_data.GetByteSize()) 207 SetAllRegisterValid (true); 208 } 209 } 210 else if (!reg_info->value_regs) 211 { 212 // Get each register individually 213 GetPrimordialRegister(reg_info, gdb_comm); 214 } 215 else 216 { 217 // Process this composite register request by delegating to the constituent 218 // primordial registers. 219 220 // Index of the primordial register. 221 uint32_t prim_reg_idx; 222 bool success = true; 223 for (uint32_t idx = 0; 224 (prim_reg_idx = reg_info->value_regs[idx]) != LLDB_INVALID_REGNUM; 225 ++idx) 226 { 227 // We have a valid primordial regsiter as our constituent. 228 // Grab the corresponding register info. 229 const RegisterInfo *prim_reg_info = GetRegisterInfoAtIndex(prim_reg_idx); 230 if (!GetPrimordialRegister(prim_reg_info, gdb_comm)) 231 { 232 success = false; 233 // Some failure occurred. Let's break out of the for loop. 234 break; 235 } 236 } 237 if (success) 238 { 239 // If we reach this point, all primordial register requests have succeeded. 240 // Validate this composite register. 241 m_reg_valid[reg_info->kinds[eRegisterKindLLDB]] = true; 242 } 243 } 244 } 245 } 246 else 247 { 248 LogSP log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); 249#if LLDB_CONFIGURATION_DEBUG 250 StreamString strm; 251 gdb_comm.DumpHistory(strm); 252 Host::SetCrashDescription (strm.GetData()); 253 assert (!"Didn't get sequence mutex for read register."); 254#else 255 if (log) 256 { 257 if (log->GetVerbose()) 258 { 259 StreamString strm; 260 gdb_comm.DumpHistory(strm); 261 log->Printf("error: failed to get packet sequence mutex, not sending read register for \"%s\":\n%s", reg_info->name, strm.GetData()); 262 } 263 else 264 { 265 log->Printf("error: failed to get packet sequence mutex, not sending read register for \"%s\"", reg_info->name); 266 } 267 } 268#endif 269 } 270 271 // Make sure we got a valid register value after reading it 272 if (!m_reg_valid[reg]) 273 return false; 274 } 275 276 if (&data != &m_reg_data) 277 { 278 // If we aren't extracting into our own buffer (which 279 // only happens when this function is called from 280 // ReadRegisterValue(uint32_t, Scalar&)) then 281 // we transfer bytes from our buffer into the data 282 // buffer that was passed in 283 data.SetByteOrder (m_reg_data.GetByteOrder()); 284 data.SetData (m_reg_data, reg_info->byte_offset, reg_info->byte_size); 285 } 286 return true; 287} 288 289 290bool 291GDBRemoteRegisterContext::WriteRegister (const RegisterInfo *reg_info, 292 const RegisterValue &value) 293{ 294 DataExtractor data; 295 if (value.GetData (data)) 296 return WriteRegisterBytes (reg_info, data, 0); 297 return false; 298} 299 300// Helper function for GDBRemoteRegisterContext::WriteRegisterBytes(). 301bool 302GDBRemoteRegisterContext::SetPrimordialRegister(const lldb_private::RegisterInfo *reg_info, 303 GDBRemoteCommunicationClient &gdb_comm) 304{ 305 StreamString packet; 306 StringExtractorGDBRemote response; 307 const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; 308 packet.Printf ("P%x=", reg); 309 packet.PutBytesAsRawHex8 (m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size), 310 reg_info->byte_size, 311 lldb::endian::InlHostByteOrder(), 312 lldb::endian::InlHostByteOrder()); 313 314 if (gdb_comm.GetThreadSuffixSupported()) 315 packet.Printf (";thread:%4.4llx;", m_thread.GetID()); 316 317 // Invalidate just this register 318 m_reg_valid[reg] = false; 319 if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 320 packet.GetString().size(), 321 response, 322 false)) 323 { 324 if (response.IsOKResponse()) 325 return true; 326 } 327 return false; 328} 329bool 330GDBRemoteRegisterContext::WriteRegisterBytes (const lldb_private::RegisterInfo *reg_info, DataExtractor &data, uint32_t data_offset) 331{ 332 ExecutionContext exe_ctx (CalculateThread()); 333 334 Process *process = exe_ctx.GetProcessPtr(); 335 Thread *thread = exe_ctx.GetThreadPtr(); 336 if (process == NULL || thread == NULL) 337 return false; 338 339 GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 340// FIXME: This check isn't right because IsRunning checks the Public state, but this 341// is work you need to do - for instance in ShouldStop & friends - before the public 342// state has been changed. 343// if (gdb_comm.IsRunning()) 344// return false; 345 346 // Grab a pointer to where we are going to put this register 347 uint8_t *dst = const_cast<uint8_t*>(m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size)); 348 349 if (dst == NULL) 350 return false; 351 352 353 if (data.CopyByteOrderedData (data_offset, // src offset 354 reg_info->byte_size, // src length 355 dst, // dst 356 reg_info->byte_size, // dst length 357 m_reg_data.GetByteOrder())) // dst byte order 358 { 359 Mutex::Locker locker; 360 if (gdb_comm.GetSequenceMutex (locker)) 361 { 362 const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); 363 ProcessSP process_sp (m_thread.GetProcess()); 364 if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetID())) 365 { 366 StreamString packet; 367 StringExtractorGDBRemote response; 368 if (m_read_all_at_once) 369 { 370 // Set all registers in one packet 371 packet.PutChar ('G'); 372 packet.PutBytesAsRawHex8 (m_reg_data.GetDataStart(), 373 m_reg_data.GetByteSize(), 374 lldb::endian::InlHostByteOrder(), 375 lldb::endian::InlHostByteOrder()); 376 377 if (thread_suffix_supported) 378 packet.Printf (";thread:%4.4llx;", m_thread.GetID()); 379 380 // Invalidate all register values 381 InvalidateIfNeeded (true); 382 383 if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 384 packet.GetString().size(), 385 response, 386 false)) 387 { 388 SetAllRegisterValid (false); 389 if (response.IsOKResponse()) 390 { 391 return true; 392 } 393 } 394 } 395 else if (!reg_info->value_regs) 396 { 397 // Set each register individually 398 return SetPrimordialRegister(reg_info, gdb_comm); 399 } 400 else 401 { 402 // Process this composite register request by delegating to the constituent 403 // primordial registers. 404 405 // Invalidate this composite register first. 406 m_reg_valid[reg_info->kinds[eRegisterKindLLDB]] = false; 407 408 // Index of the primordial register. 409 uint32_t prim_reg_idx; 410 // For loop index. 411 uint32_t idx; 412 413 // Invalidate the invalidate_regs, if present. 414 if (reg_info->invalidate_regs) 415 { 416 for (idx = 0; 417 (prim_reg_idx = reg_info->invalidate_regs[idx]) != LLDB_INVALID_REGNUM; 418 ++idx) 419 { 420 // Grab the invalidate register info. 421 const RegisterInfo *prim_reg_info = GetRegisterInfoAtIndex(prim_reg_idx); 422 m_reg_valid[prim_reg_info->kinds[eRegisterKindLLDB]] = false; 423 } 424 } 425 426 bool success = true; 427 for (idx = 0; 428 (prim_reg_idx = reg_info->value_regs[idx]) != LLDB_INVALID_REGNUM; 429 ++idx) 430 { 431 // We have a valid primordial regsiter as our constituent. 432 // Grab the corresponding register info. 433 const RegisterInfo *prim_reg_info = GetRegisterInfoAtIndex(prim_reg_idx); 434 if (!SetPrimordialRegister(prim_reg_info, gdb_comm)) 435 { 436 success = false; 437 // Some failure occurred. Let's break out of the for loop. 438 break; 439 } 440 } 441 return success; 442 } 443 } 444 } 445 else 446 { 447 LogSP log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); 448#if LLDB_CONFIGURATION_DEBUG 449 StreamString strm; 450 gdb_comm.DumpHistory(strm); 451 Host::SetCrashDescription (strm.GetData()); 452 assert (!"Didn't get sequence mutex for write register."); 453#else 454 if (log) 455 { 456 if (log->GetVerbose()) 457 { 458 StreamString strm; 459 gdb_comm.DumpHistory(strm); 460 log->Printf("error: failed to get packet sequence mutex, not sending write register for \"%s\":\n%s", reg_info->name, strm.GetData()); 461 } 462 else 463 log->Printf("error: failed to get packet sequence mutex, not sending write register for \"%s\"", reg_info->name); 464 } 465#endif 466 } 467 } 468 return false; 469} 470 471 472bool 473GDBRemoteRegisterContext::ReadAllRegisterValues (lldb::DataBufferSP &data_sp) 474{ 475 ExecutionContext exe_ctx (CalculateThread()); 476 477 Process *process = exe_ctx.GetProcessPtr(); 478 Thread *thread = exe_ctx.GetThreadPtr(); 479 if (process == NULL || thread == NULL) 480 return false; 481 482 GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 483 484 StringExtractorGDBRemote response; 485 486 Mutex::Locker locker; 487 if (gdb_comm.GetSequenceMutex (locker)) 488 { 489 char packet[32]; 490 const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); 491 ProcessSP process_sp (m_thread.GetProcess()); 492 if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetID())) 493 { 494 int packet_len = 0; 495 if (thread_suffix_supported) 496 packet_len = ::snprintf (packet, sizeof(packet), "g;thread:%4.4llx", m_thread.GetID()); 497 else 498 packet_len = ::snprintf (packet, sizeof(packet), "g"); 499 assert (packet_len < (sizeof(packet) - 1)); 500 501 if (gdb_comm.SendPacketAndWaitForResponse(packet, packet_len, response, false)) 502 { 503 if (response.IsErrorResponse()) 504 return false; 505 506 std::string &response_str = response.GetStringRef(); 507 if (isxdigit(response_str[0])) 508 { 509 response_str.insert(0, 1, 'G'); 510 if (thread_suffix_supported) 511 { 512 char thread_id_cstr[64]; 513 ::snprintf (thread_id_cstr, sizeof(thread_id_cstr), ";thread:%4.4llx;", m_thread.GetID()); 514 response_str.append (thread_id_cstr); 515 } 516 data_sp.reset (new DataBufferHeap (response_str.c_str(), response_str.size())); 517 return true; 518 } 519 } 520 } 521 } 522 else 523 { 524 LogSP log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); 525#if LLDB_CONFIGURATION_DEBUG 526 StreamString strm; 527 gdb_comm.DumpHistory(strm); 528 Host::SetCrashDescription (strm.GetData()); 529 assert (!"Didn't get sequence mutex for read all registers."); 530#else 531 if (log) 532 { 533 if (log->GetVerbose()) 534 { 535 StreamString strm; 536 gdb_comm.DumpHistory(strm); 537 log->Printf("error: failed to get packet sequence mutex, not sending read all registers:\n%s", strm.GetData()); 538 } 539 else 540 log->Printf("error: failed to get packet sequence mutex, not sending read all registers"); 541 } 542#endif 543 } 544 545 data_sp.reset(); 546 return false; 547} 548 549bool 550GDBRemoteRegisterContext::WriteAllRegisterValues (const lldb::DataBufferSP &data_sp) 551{ 552 if (!data_sp || data_sp->GetBytes() == NULL || data_sp->GetByteSize() == 0) 553 return false; 554 555 ExecutionContext exe_ctx (CalculateThread()); 556 557 Process *process = exe_ctx.GetProcessPtr(); 558 Thread *thread = exe_ctx.GetThreadPtr(); 559 if (process == NULL || thread == NULL) 560 return false; 561 562 GDBRemoteCommunicationClient &gdb_comm (((ProcessGDBRemote *)process)->GetGDBRemote()); 563 564 StringExtractorGDBRemote response; 565 Mutex::Locker locker; 566 if (gdb_comm.GetSequenceMutex (locker)) 567 { 568 const bool thread_suffix_supported = gdb_comm.GetThreadSuffixSupported(); 569 ProcessSP process_sp (m_thread.GetProcess()); 570 if (thread_suffix_supported || static_cast<ProcessGDBRemote *>(process_sp.get())->GetGDBRemote().SetCurrentThread(m_thread.GetID())) 571 { 572 // The data_sp contains the entire G response packet including the 573 // G, and if the thread suffix is supported, it has the thread suffix 574 // as well. 575 const char *G_packet = (const char *)data_sp->GetBytes(); 576 size_t G_packet_len = data_sp->GetByteSize(); 577 if (gdb_comm.SendPacketAndWaitForResponse (G_packet, 578 G_packet_len, 579 response, 580 false)) 581 { 582 if (response.IsOKResponse()) 583 return true; 584 else if (response.IsErrorResponse()) 585 { 586 uint32_t num_restored = 0; 587 // We need to manually go through all of the registers and 588 // restore them manually 589 590 response.GetStringRef().assign (G_packet, G_packet_len); 591 response.SetFilePos(1); // Skip the leading 'G' 592 DataBufferHeap buffer (m_reg_data.GetByteSize(), 0); 593 DataExtractor restore_data (buffer.GetBytes(), 594 buffer.GetByteSize(), 595 m_reg_data.GetByteOrder(), 596 m_reg_data.GetAddressByteSize()); 597 598 const uint32_t bytes_extracted = response.GetHexBytes ((void *)restore_data.GetDataStart(), 599 restore_data.GetByteSize(), 600 '\xcc'); 601 602 if (bytes_extracted < restore_data.GetByteSize()) 603 restore_data.SetData(restore_data.GetDataStart(), bytes_extracted, m_reg_data.GetByteOrder()); 604 605 //ReadRegisterBytes (const RegisterInfo *reg_info, RegisterValue &value, DataExtractor &data) 606 const RegisterInfo *reg_info; 607 // We have to march the offset of each register along in the 608 // buffer to make sure we get the right offset. 609 uint32_t reg_byte_offset = 0; 610 for (uint32_t reg_idx=0; (reg_info = GetRegisterInfoAtIndex (reg_idx)) != NULL; ++reg_idx, reg_byte_offset += reg_info->byte_size) 611 { 612 const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; 613 614 // Skip composite registers. 615 if (reg_info->value_regs) 616 continue; 617 618 // Only write down the registers that need to be written 619 // if we are going to be doing registers individually. 620 bool write_reg = true; 621 const uint32_t reg_byte_size = reg_info->byte_size; 622 623 const char *restore_src = (const char *)restore_data.PeekData(reg_byte_offset, reg_byte_size); 624 if (restore_src) 625 { 626 if (m_reg_valid[reg]) 627 { 628 const char *current_src = (const char *)m_reg_data.PeekData(reg_byte_offset, reg_byte_size); 629 if (current_src) 630 write_reg = memcmp (current_src, restore_src, reg_byte_size) != 0; 631 } 632 633 if (write_reg) 634 { 635 StreamString packet; 636 packet.Printf ("P%x=", reg); 637 packet.PutBytesAsRawHex8 (restore_src, 638 reg_byte_size, 639 lldb::endian::InlHostByteOrder(), 640 lldb::endian::InlHostByteOrder()); 641 642 if (thread_suffix_supported) 643 packet.Printf (";thread:%4.4llx;", m_thread.GetID()); 644 645 m_reg_valid[reg] = false; 646 if (gdb_comm.SendPacketAndWaitForResponse(packet.GetString().c_str(), 647 packet.GetString().size(), 648 response, 649 false)) 650 { 651 if (response.IsOKResponse()) 652 ++num_restored; 653 } 654 } 655 } 656 } 657 return num_restored > 0; 658 } 659 } 660 } 661 } 662 else 663 { 664 LogSP log (ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet (GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); 665#if LLDB_CONFIGURATION_DEBUG 666 StreamString strm; 667 gdb_comm.DumpHistory(strm); 668 Host::SetCrashDescription (strm.GetData()); 669 assert (!"Didn't get sequence mutex for write all registers."); 670#else 671 if (log) 672 { 673 if (log->GetVerbose()) 674 { 675 StreamString strm; 676 gdb_comm.DumpHistory(strm); 677 log->Printf("error: failed to get packet sequence mutex, not sending write all registers:\n%s", strm.GetData()); 678 } 679 else 680 log->Printf("error: failed to get packet sequence mutex, not sending write all registers"); 681 } 682#endif 683 } 684 return false; 685} 686 687 688uint32_t 689GDBRemoteRegisterContext::ConvertRegisterKindToRegisterNumber (uint32_t kind, uint32_t num) 690{ 691 return m_reg_info.ConvertRegisterKindToRegisterNumber (kind, num); 692} 693 694void 695GDBRemoteDynamicRegisterInfo::HardcodeARMRegisters(bool from_scratch) 696{ 697 // For Advanced SIMD and VFP register mapping. 698 static uint32_t g_d0_regs[] = { 26, 27, LLDB_INVALID_REGNUM }; // (s0, s1) 699 static uint32_t g_d1_regs[] = { 28, 29, LLDB_INVALID_REGNUM }; // (s2, s3) 700 static uint32_t g_d2_regs[] = { 30, 31, LLDB_INVALID_REGNUM }; // (s4, s5) 701 static uint32_t g_d3_regs[] = { 32, 33, LLDB_INVALID_REGNUM }; // (s6, s7) 702 static uint32_t g_d4_regs[] = { 34, 35, LLDB_INVALID_REGNUM }; // (s8, s9) 703 static uint32_t g_d5_regs[] = { 36, 37, LLDB_INVALID_REGNUM }; // (s10, s11) 704 static uint32_t g_d6_regs[] = { 38, 39, LLDB_INVALID_REGNUM }; // (s12, s13) 705 static uint32_t g_d7_regs[] = { 40, 41, LLDB_INVALID_REGNUM }; // (s14, s15) 706 static uint32_t g_d8_regs[] = { 42, 43, LLDB_INVALID_REGNUM }; // (s16, s17) 707 static uint32_t g_d9_regs[] = { 44, 45, LLDB_INVALID_REGNUM }; // (s18, s19) 708 static uint32_t g_d10_regs[] = { 46, 47, LLDB_INVALID_REGNUM }; // (s20, s21) 709 static uint32_t g_d11_regs[] = { 48, 49, LLDB_INVALID_REGNUM }; // (s22, s23) 710 static uint32_t g_d12_regs[] = { 50, 51, LLDB_INVALID_REGNUM }; // (s24, s25) 711 static uint32_t g_d13_regs[] = { 52, 53, LLDB_INVALID_REGNUM }; // (s26, s27) 712 static uint32_t g_d14_regs[] = { 54, 55, LLDB_INVALID_REGNUM }; // (s28, s29) 713 static uint32_t g_d15_regs[] = { 56, 57, LLDB_INVALID_REGNUM }; // (s30, s31) 714 static uint32_t g_q0_regs[] = { 26, 27, 28, 29, LLDB_INVALID_REGNUM }; // (d0, d1) -> (s0, s1, s2, s3) 715 static uint32_t g_q1_regs[] = { 30, 31, 32, 33, LLDB_INVALID_REGNUM }; // (d2, d3) -> (s4, s5, s6, s7) 716 static uint32_t g_q2_regs[] = { 34, 35, 36, 37, LLDB_INVALID_REGNUM }; // (d4, d5) -> (s8, s9, s10, s11) 717 static uint32_t g_q3_regs[] = { 38, 39, 40, 41, LLDB_INVALID_REGNUM }; // (d6, d7) -> (s12, s13, s14, s15) 718 static uint32_t g_q4_regs[] = { 42, 43, 44, 45, LLDB_INVALID_REGNUM }; // (d8, d9) -> (s16, s17, s18, s19) 719 static uint32_t g_q5_regs[] = { 46, 47, 48, 49, LLDB_INVALID_REGNUM }; // (d10, d11) -> (s20, s21, s22, s23) 720 static uint32_t g_q6_regs[] = { 50, 51, 52, 53, LLDB_INVALID_REGNUM }; // (d12, d13) -> (s24, s25, s26, s27) 721 static uint32_t g_q7_regs[] = { 54, 55, 56, 57, LLDB_INVALID_REGNUM }; // (d14, d15) -> (s28, s29, s30, s31) 722 static uint32_t g_q8_regs[] = { 59, 60, LLDB_INVALID_REGNUM }; // (d16, d17) 723 static uint32_t g_q9_regs[] = { 61, 62, LLDB_INVALID_REGNUM }; // (d18, d19) 724 static uint32_t g_q10_regs[] = { 63, 64, LLDB_INVALID_REGNUM }; // (d20, d21) 725 static uint32_t g_q11_regs[] = { 65, 66, LLDB_INVALID_REGNUM }; // (d22, d23) 726 static uint32_t g_q12_regs[] = { 67, 68, LLDB_INVALID_REGNUM }; // (d24, d25) 727 static uint32_t g_q13_regs[] = { 69, 70, LLDB_INVALID_REGNUM }; // (d26, d27) 728 static uint32_t g_q14_regs[] = { 71, 72, LLDB_INVALID_REGNUM }; // (d28, d29) 729 static uint32_t g_q15_regs[] = { 73, 74, LLDB_INVALID_REGNUM }; // (d30, d31) 730 731 // This is our array of composite registers, with each element coming from the above register mappings. 732 static uint32_t *g_composites[] = { 733 g_d0_regs, g_d1_regs, g_d2_regs, g_d3_regs, g_d4_regs, g_d5_regs, g_d6_regs, g_d7_regs, 734 g_d8_regs, g_d9_regs, g_d10_regs, g_d11_regs, g_d12_regs, g_d13_regs, g_d14_regs, g_d15_regs, 735 g_q0_regs, g_q1_regs, g_q2_regs, g_q3_regs, g_q4_regs, g_q5_regs, g_q6_regs, g_q7_regs, 736 g_q8_regs, g_q9_regs, g_q10_regs, g_q11_regs, g_q12_regs, g_q13_regs, g_q14_regs, g_q15_regs 737 }; 738 739 static RegisterInfo g_register_infos[] = { 740// NAME ALT SZ OFF ENCODING FORMAT COMPILER DWARF GENERIC GDB LLDB VALUE REGS INVALIDATE REGS 741// ====== ====== === === ============= ============ =================== =================== ====================== === ==== ========== =============== 742 { "r0", "arg1", 4, 0, eEncodingUint, eFormatHex, { gcc_r0, dwarf_r0, LLDB_REGNUM_GENERIC_ARG1,0, 0 }, NULL, NULL}, 743 { "r1", "arg2", 4, 0, eEncodingUint, eFormatHex, { gcc_r1, dwarf_r1, LLDB_REGNUM_GENERIC_ARG2,1, 1 }, NULL, NULL}, 744 { "r2", "arg3", 4, 0, eEncodingUint, eFormatHex, { gcc_r2, dwarf_r2, LLDB_REGNUM_GENERIC_ARG3,2, 2 }, NULL, NULL}, 745 { "r3", "arg4", 4, 0, eEncodingUint, eFormatHex, { gcc_r3, dwarf_r3, LLDB_REGNUM_GENERIC_ARG4,3, 3 }, NULL, NULL}, 746 { "r4", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r4, dwarf_r4, LLDB_INVALID_REGNUM, 4, 4 }, NULL, NULL}, 747 { "r5", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r5, dwarf_r5, LLDB_INVALID_REGNUM, 5, 5 }, NULL, NULL}, 748 { "r6", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r6, dwarf_r6, LLDB_INVALID_REGNUM, 6, 6 }, NULL, NULL}, 749 { "r7", "fp", 4, 0, eEncodingUint, eFormatHex, { gcc_r7, dwarf_r7, LLDB_REGNUM_GENERIC_FP, 7, 7 }, NULL, NULL}, 750 { "r8", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r8, dwarf_r8, LLDB_INVALID_REGNUM, 8, 8 }, NULL, NULL}, 751 { "r9", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r9, dwarf_r9, LLDB_INVALID_REGNUM, 9, 9 }, NULL, NULL}, 752 { "r10", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r10, dwarf_r10, LLDB_INVALID_REGNUM, 10, 10 }, NULL, NULL}, 753 { "r11", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r11, dwarf_r11, LLDB_INVALID_REGNUM, 11, 11 }, NULL, NULL}, 754 { "r12", NULL, 4, 0, eEncodingUint, eFormatHex, { gcc_r12, dwarf_r12, LLDB_INVALID_REGNUM, 12, 12 }, NULL, NULL}, 755 { "sp", "r13", 4, 0, eEncodingUint, eFormatHex, { gcc_sp, dwarf_sp, LLDB_REGNUM_GENERIC_SP, 13, 13 }, NULL, NULL}, 756 { "lr", "r14", 4, 0, eEncodingUint, eFormatHex, { gcc_lr, dwarf_lr, LLDB_REGNUM_GENERIC_RA, 14, 14 }, NULL, NULL}, 757 { "pc", "r15", 4, 0, eEncodingUint, eFormatHex, { gcc_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, 15, 15 }, NULL, NULL}, 758 { "f0", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 16, 16 }, NULL, NULL}, 759 { "f1", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 17, 17 }, NULL, NULL}, 760 { "f2", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 18, 18 }, NULL, NULL}, 761 { "f3", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 19, 19 }, NULL, NULL}, 762 { "f4", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 20, 20 }, NULL, NULL}, 763 { "f5", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 21, 21 }, NULL, NULL}, 764 { "f6", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 22, 22 }, NULL, NULL}, 765 { "f7", NULL, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 23, 23 }, NULL, NULL}, 766 { "fps", NULL, 4, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 24, 24 }, NULL, NULL}, 767 { "cpsr","flags", 4, 0, eEncodingUint, eFormatHex, { gcc_cpsr, dwarf_cpsr, LLDB_INVALID_REGNUM, 25, 25 }, NULL, NULL}, 768 { "s0", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s0, LLDB_INVALID_REGNUM, 26, 26 }, NULL, NULL}, 769 { "s1", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s1, LLDB_INVALID_REGNUM, 27, 27 }, NULL, NULL}, 770 { "s2", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s2, LLDB_INVALID_REGNUM, 28, 28 }, NULL, NULL}, 771 { "s3", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s3, LLDB_INVALID_REGNUM, 29, 29 }, NULL, NULL}, 772 { "s4", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s4, LLDB_INVALID_REGNUM, 30, 30 }, NULL, NULL}, 773 { "s5", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s5, LLDB_INVALID_REGNUM, 31, 31 }, NULL, NULL}, 774 { "s6", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s6, LLDB_INVALID_REGNUM, 32, 32 }, NULL, NULL}, 775 { "s7", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s7, LLDB_INVALID_REGNUM, 33, 33 }, NULL, NULL}, 776 { "s8", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s8, LLDB_INVALID_REGNUM, 34, 34 }, NULL, NULL}, 777 { "s9", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s9, LLDB_INVALID_REGNUM, 35, 35 }, NULL, NULL}, 778 { "s10", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s10, LLDB_INVALID_REGNUM, 36, 36 }, NULL, NULL}, 779 { "s11", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s11, LLDB_INVALID_REGNUM, 37, 37 }, NULL, NULL}, 780 { "s12", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s12, LLDB_INVALID_REGNUM, 38, 38 }, NULL, NULL}, 781 { "s13", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s13, LLDB_INVALID_REGNUM, 39, 39 }, NULL, NULL}, 782 { "s14", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s14, LLDB_INVALID_REGNUM, 40, 40 }, NULL, NULL}, 783 { "s15", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s15, LLDB_INVALID_REGNUM, 41, 41 }, NULL, NULL}, 784 { "s16", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s16, LLDB_INVALID_REGNUM, 42, 42 }, NULL, NULL}, 785 { "s17", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s17, LLDB_INVALID_REGNUM, 43, 43 }, NULL, NULL}, 786 { "s18", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s18, LLDB_INVALID_REGNUM, 44, 44 }, NULL, NULL}, 787 { "s19", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s19, LLDB_INVALID_REGNUM, 45, 45 }, NULL, NULL}, 788 { "s20", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s20, LLDB_INVALID_REGNUM, 46, 46 }, NULL, NULL}, 789 { "s21", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s21, LLDB_INVALID_REGNUM, 47, 47 }, NULL, NULL}, 790 { "s22", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s22, LLDB_INVALID_REGNUM, 48, 48 }, NULL, NULL}, 791 { "s23", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s23, LLDB_INVALID_REGNUM, 49, 49 }, NULL, NULL}, 792 { "s24", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s24, LLDB_INVALID_REGNUM, 50, 50 }, NULL, NULL}, 793 { "s25", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s25, LLDB_INVALID_REGNUM, 51, 51 }, NULL, NULL}, 794 { "s26", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s26, LLDB_INVALID_REGNUM, 52, 52 }, NULL, NULL}, 795 { "s27", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s27, LLDB_INVALID_REGNUM, 53, 53 }, NULL, NULL}, 796 { "s28", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s28, LLDB_INVALID_REGNUM, 54, 54 }, NULL, NULL}, 797 { "s29", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s29, LLDB_INVALID_REGNUM, 55, 55 }, NULL, NULL}, 798 { "s30", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s30, LLDB_INVALID_REGNUM, 56, 56 }, NULL, NULL}, 799 { "s31", NULL, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s31, LLDB_INVALID_REGNUM, 57, 57 }, NULL, NULL}, 800 { "fpscr",NULL, 4, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 58, 58 }, NULL, NULL}, 801 { "d16", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d16, LLDB_INVALID_REGNUM, 59, 59 }, NULL, NULL}, 802 { "d17", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d17, LLDB_INVALID_REGNUM, 60, 60 }, NULL, NULL}, 803 { "d18", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d18, LLDB_INVALID_REGNUM, 61, 61 }, NULL, NULL}, 804 { "d19", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d19, LLDB_INVALID_REGNUM, 62, 62 }, NULL, NULL}, 805 { "d20", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d20, LLDB_INVALID_REGNUM, 63, 63 }, NULL, NULL}, 806 { "d21", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d21, LLDB_INVALID_REGNUM, 64, 64 }, NULL, NULL}, 807 { "d22", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d22, LLDB_INVALID_REGNUM, 65, 65 }, NULL, NULL}, 808 { "d23", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d23, LLDB_INVALID_REGNUM, 66, 66 }, NULL, NULL}, 809 { "d24", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d24, LLDB_INVALID_REGNUM, 67, 67 }, NULL, NULL}, 810 { "d25", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d25, LLDB_INVALID_REGNUM, 68, 68 }, NULL, NULL}, 811 { "d26", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d26, LLDB_INVALID_REGNUM, 69, 69 }, NULL, NULL}, 812 { "d27", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d27, LLDB_INVALID_REGNUM, 70, 70 }, NULL, NULL}, 813 { "d28", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d28, LLDB_INVALID_REGNUM, 71, 71 }, NULL, NULL}, 814 { "d29", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d29, LLDB_INVALID_REGNUM, 72, 72 }, NULL, NULL}, 815 { "d30", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d30, LLDB_INVALID_REGNUM, 73, 73 }, NULL, NULL}, 816 { "d31", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d31, LLDB_INVALID_REGNUM, 74, 74 }, NULL, NULL}, 817 { "d0", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d0, LLDB_INVALID_REGNUM, 75, 75 }, g_d0_regs, NULL}, 818 { "d1", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d1, LLDB_INVALID_REGNUM, 76, 76 }, g_d1_regs, NULL}, 819 { "d2", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d2, LLDB_INVALID_REGNUM, 77, 77 }, g_d2_regs, NULL}, 820 { "d3", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d3, LLDB_INVALID_REGNUM, 78, 78 }, g_d3_regs, NULL}, 821 { "d4", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d4, LLDB_INVALID_REGNUM, 79, 79 }, g_d4_regs, NULL}, 822 { "d5", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d5, LLDB_INVALID_REGNUM, 80, 80 }, g_d5_regs, NULL}, 823 { "d6", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d6, LLDB_INVALID_REGNUM, 81, 81 }, g_d6_regs, NULL}, 824 { "d7", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d7, LLDB_INVALID_REGNUM, 82, 82 }, g_d7_regs, NULL}, 825 { "d8", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d8, LLDB_INVALID_REGNUM, 83, 83 }, g_d8_regs, NULL}, 826 { "d9", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d9, LLDB_INVALID_REGNUM, 84, 84 }, g_d9_regs, NULL}, 827 { "d10", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d10, LLDB_INVALID_REGNUM, 85, 85 }, g_d10_regs, NULL}, 828 { "d11", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d11, LLDB_INVALID_REGNUM, 86, 86 }, g_d11_regs, NULL}, 829 { "d12", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d12, LLDB_INVALID_REGNUM, 87, 87 }, g_d12_regs, NULL}, 830 { "d13", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d13, LLDB_INVALID_REGNUM, 88, 88 }, g_d13_regs, NULL}, 831 { "d14", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d14, LLDB_INVALID_REGNUM, 89, 89 }, g_d14_regs, NULL}, 832 { "d15", NULL, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d15, LLDB_INVALID_REGNUM, 90, 90 }, g_d15_regs, NULL}, 833 { "q0", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q0, LLDB_INVALID_REGNUM, 91, 91 }, g_q0_regs, NULL}, 834 { "q1", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q1, LLDB_INVALID_REGNUM, 92, 92 }, g_q1_regs, NULL}, 835 { "q2", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q2, LLDB_INVALID_REGNUM, 93, 93 }, g_q2_regs, NULL}, 836 { "q3", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q3, LLDB_INVALID_REGNUM, 94, 94 }, g_q3_regs, NULL}, 837 { "q4", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q4, LLDB_INVALID_REGNUM, 95, 95 }, g_q4_regs, NULL}, 838 { "q5", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q5, LLDB_INVALID_REGNUM, 96, 96 }, g_q5_regs, NULL}, 839 { "q6", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q6, LLDB_INVALID_REGNUM, 97, 97 }, g_q6_regs, NULL}, 840 { "q7", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q7, LLDB_INVALID_REGNUM, 98, 98 }, g_q7_regs, NULL}, 841 { "q8", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q8, LLDB_INVALID_REGNUM, 99, 99 }, g_q8_regs, NULL}, 842 { "q9", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q9, LLDB_INVALID_REGNUM, 100, 100 }, g_q9_regs, NULL}, 843 { "q10", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q10, LLDB_INVALID_REGNUM, 101, 101 }, g_q10_regs, NULL}, 844 { "q11", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q11, LLDB_INVALID_REGNUM, 102, 102 }, g_q11_regs, NULL}, 845 { "q12", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q12, LLDB_INVALID_REGNUM, 103, 103 }, g_q12_regs, NULL}, 846 { "q13", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q13, LLDB_INVALID_REGNUM, 104, 104 }, g_q13_regs, NULL}, 847 { "q14", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q14, LLDB_INVALID_REGNUM, 105, 105 }, g_q14_regs, NULL}, 848 { "q15", NULL, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q15, LLDB_INVALID_REGNUM, 106, 106 }, g_q15_regs, NULL} 849 }; 850 851 static const uint32_t num_registers = llvm::array_lengthof(g_register_infos); 852 static ConstString gpr_reg_set ("General Purpose Registers"); 853 static ConstString sfp_reg_set ("Software Floating Point Registers"); 854 static ConstString vfp_reg_set ("Floating Point Registers"); 855 uint32_t i; 856 if (from_scratch) 857 { 858 // Calculate the offsets of the registers 859 // Note that the layout of the "composite" registers (d0-d15 and q0-q15) which comes after the 860 // "primordial" registers is important. This enables us to calculate the offset of the composite 861 // register by using the offset of its first primordial register. For example, to calculate the 862 // offset of q0, use s0's offset. 863 if (g_register_infos[2].byte_offset == 0) 864 { 865 uint32_t byte_offset = 0; 866 for (i=0; i<num_registers; ++i) 867 { 868 // For primordial registers, increment the byte_offset by the byte_size to arrive at the 869 // byte_offset for the next register. Otherwise, we have a composite register whose 870 // offset can be calculated by consulting the offset of its first primordial register. 871 if (!g_register_infos[i].value_regs) 872 { 873 g_register_infos[i].byte_offset = byte_offset; 874 byte_offset += g_register_infos[i].byte_size; 875 } 876 else 877 { 878 const uint32_t first_primordial_reg = g_register_infos[i].value_regs[0]; 879 g_register_infos[i].byte_offset = g_register_infos[first_primordial_reg].byte_offset; 880 } 881 } 882 } 883 for (i=0; i<num_registers; ++i) 884 { 885 ConstString name; 886 ConstString alt_name; 887 if (g_register_infos[i].name && g_register_infos[i].name[0]) 888 name.SetCString(g_register_infos[i].name); 889 if (g_register_infos[i].alt_name && g_register_infos[i].alt_name[0]) 890 alt_name.SetCString(g_register_infos[i].alt_name); 891 892 if (i <= 15 || i == 25) 893 AddRegister (g_register_infos[i], name, alt_name, gpr_reg_set); 894 else if (i <= 24) 895 AddRegister (g_register_infos[i], name, alt_name, sfp_reg_set); 896 else 897 AddRegister (g_register_infos[i], name, alt_name, vfp_reg_set); 898 } 899 } 900 else 901 { 902 // Add composite registers to our primordial registers, then. 903 const uint32_t num_composites = llvm::array_lengthof(g_composites); 904 const uint32_t num_primordials = GetNumRegisters(); 905 RegisterInfo *g_comp_register_infos = g_register_infos + (num_registers - num_composites); 906 for (i=0; i<num_composites; ++i) 907 { 908 ConstString name; 909 ConstString alt_name; 910 const uint32_t first_primordial_reg = g_comp_register_infos[i].value_regs[0]; 911 const char *reg_name = g_register_infos[first_primordial_reg].name; 912 if (reg_name && reg_name[0]) 913 { 914 for (uint32_t j = 0; j < num_primordials; ++j) 915 { 916 const RegisterInfo *reg_info = GetRegisterInfoAtIndex(j); 917 // Find a matching primordial register info entry. 918 if (reg_info && reg_info->name && ::strcasecmp(reg_info->name, reg_name) == 0) 919 { 920 // The name matches the existing primordial entry. 921 // Find and assign the offset, and then add this composite register entry. 922 g_comp_register_infos[i].byte_offset = reg_info->byte_offset; 923 name.SetCString(g_comp_register_infos[i].name); 924 AddRegister(g_comp_register_infos[i], name, alt_name, vfp_reg_set); 925 } 926 } 927 } 928 } 929 } 930} 931 932void 933GDBRemoteDynamicRegisterInfo::Addx86_64ConvenienceRegisters() 934{ 935 // For eax, ebx, ecx, edx, esi, edi, ebp, esp register mapping. 936 static const char* g_mapped_names[] = { 937 "rax", 938 "rbx", 939 "rcx", 940 "rdx", 941 "rdi", 942 "rsi", 943 "rbp", 944 "rsp" 945 }; 946 947 // These value regs are to be populated with the corresponding primordial register index. 948 // For example, 949 static uint32_t g_eax_regs[] = { 0, LLDB_INVALID_REGNUM }; // 0 is to be replaced with rax's index. 950 static uint32_t g_ebx_regs[] = { 0, LLDB_INVALID_REGNUM }; 951 static uint32_t g_ecx_regs[] = { 0, LLDB_INVALID_REGNUM }; 952 static uint32_t g_edx_regs[] = { 0, LLDB_INVALID_REGNUM }; 953 static uint32_t g_edi_regs[] = { 0, LLDB_INVALID_REGNUM }; 954 static uint32_t g_esi_regs[] = { 0, LLDB_INVALID_REGNUM }; 955 static uint32_t g_ebp_regs[] = { 0, LLDB_INVALID_REGNUM }; 956 static uint32_t g_esp_regs[] = { 0, LLDB_INVALID_REGNUM }; 957 958 static RegisterInfo g_conv_register_infos[] = 959 { 960// NAME ALT SZ OFF ENCODING FORMAT COMPILER DWARF GENERIC GDB LLDB NATIVE VALUE REGS INVALIDATE REGS 961// ====== ======= == === ============= ============ ===================== ===================== ============================ ==================== ====================== ========== =============== 962 { "eax", NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM }, g_eax_regs, NULL}, 963 { "ebx" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM }, g_ebx_regs, NULL}, 964 { "ecx" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM }, g_ecx_regs, NULL}, 965 { "edx" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM }, g_edx_regs, NULL}, 966 { "edi" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM }, g_edi_regs, NULL}, 967 { "esi" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM }, g_esi_regs, NULL}, 968 { "ebp" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM }, g_ebp_regs, NULL}, 969 { "esp" , NULL, 4, 0, eEncodingUint , eFormatHex , { LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM , LLDB_INVALID_REGNUM }, g_esp_regs, NULL} 970 }; 971 972 static const uint32_t num_conv_regs = llvm::array_lengthof(g_mapped_names); 973 static ConstString gpr_reg_set ("General Purpose Registers"); 974 975 // Add convenience registers to our primordial registers. 976 const uint32_t num_primordials = GetNumRegisters(); 977 uint32_t reg_kind = num_primordials; 978 for (uint32_t i=0; i<num_conv_regs; ++i) 979 { 980 ConstString name; 981 ConstString alt_name; 982 const char *prim_reg_name = g_mapped_names[i]; 983 if (prim_reg_name && prim_reg_name[0]) 984 { 985 for (uint32_t j = 0; j < num_primordials; ++j) 986 { 987 const RegisterInfo *reg_info = GetRegisterInfoAtIndex(j); 988 // Find a matching primordial register info entry. 989 if (reg_info && reg_info->name && ::strcasecmp(reg_info->name, prim_reg_name) == 0) 990 { 991 // The name matches the existing primordial entry. 992 // Find and assign the offset, and then add this composite register entry. 993 g_conv_register_infos[i].byte_offset = reg_info->byte_offset; 994 // Update the value_regs and the kinds fields in order to delegate to the primordial register. 995 g_conv_register_infos[i].value_regs[0] = j; 996 g_conv_register_infos[i].kinds[eRegisterKindLLDB] = ++reg_kind; 997 name.SetCString(g_conv_register_infos[i].name); 998 AddRegister(g_conv_register_infos[i], name, alt_name, gpr_reg_set); 999 } 1000 } 1001 } 1002 } 1003} 1004 1005