1 //===-- GDBRemoteRegisterContext.cpp ----------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "GDBRemoteRegisterContext.h"
14 // Other libraries and framework includes
15 #include "lldb/Core/RegisterValue.h"
16 #include "lldb/Core/Scalar.h"
17 #include "lldb/Target/ExecutionContext.h"
18 #include "lldb/Target/Target.h"
19 #include "lldb/Utility/DataBufferHeap.h"
20 #include "lldb/Utility/DataExtractor.h"
21 #include "lldb/Utility/StreamString.h"
23 #include "ProcessGDBRemote.h"
24 #include "ProcessGDBRemoteLog.h"
25 #include "ThreadGDBRemote.h"
26 #include "Utility/ARM_DWARF_Registers.h"
27 #include "Utility/ARM_ehframe_Registers.h"
28 #include "Utility/StringExtractorGDBRemote.h"
31 using namespace lldb_private;
32 using namespace lldb_private::process_gdb_remote;
34 //----------------------------------------------------------------------
35 // GDBRemoteRegisterContext constructor
36 //----------------------------------------------------------------------
37 GDBRemoteRegisterContext::GDBRemoteRegisterContext(
38 ThreadGDBRemote &thread, uint32_t concrete_frame_idx,
39 GDBRemoteDynamicRegisterInfo ®_info, bool read_all_at_once)
40 : RegisterContext(thread, concrete_frame_idx), m_reg_info(reg_info),
41 m_reg_valid(), m_reg_data(), m_read_all_at_once(read_all_at_once) {
42 // Resize our vector of bools to contain one bool for every register.
43 // We will use these boolean values to know when a register value
44 // is valid in m_reg_data.
45 m_reg_valid.resize(reg_info.GetNumRegisters());
47 // Make a heap based buffer that is big enough to store all registers
48 DataBufferSP reg_data_sp(
49 new DataBufferHeap(reg_info.GetRegisterDataByteSize(), 0));
50 m_reg_data.SetData(reg_data_sp);
51 m_reg_data.SetByteOrder(thread.GetProcess()->GetByteOrder());
54 //----------------------------------------------------------------------
56 //----------------------------------------------------------------------
57 GDBRemoteRegisterContext::~GDBRemoteRegisterContext() {}
59 void GDBRemoteRegisterContext::InvalidateAllRegisters() {
60 SetAllRegisterValid(false);
63 void GDBRemoteRegisterContext::SetAllRegisterValid(bool b) {
64 std::vector<bool>::iterator pos, end = m_reg_valid.end();
65 for (pos = m_reg_valid.begin(); pos != end; ++pos)
69 size_t GDBRemoteRegisterContext::GetRegisterCount() {
70 return m_reg_info.GetNumRegisters();
74 GDBRemoteRegisterContext::GetRegisterInfoAtIndex(size_t reg) {
75 RegisterInfo *reg_info = m_reg_info.GetRegisterInfoAtIndex(reg);
77 if (reg_info && reg_info->dynamic_size_dwarf_expr_bytes) {
78 const ArchSpec &arch = m_thread.GetProcess()->GetTarget().GetArchitecture();
79 uint8_t reg_size = UpdateDynamicRegisterSize(arch, reg_info);
80 reg_info->byte_size = reg_size;
85 size_t GDBRemoteRegisterContext::GetRegisterSetCount() {
86 return m_reg_info.GetNumRegisterSets();
89 const RegisterSet *GDBRemoteRegisterContext::GetRegisterSet(size_t reg_set) {
90 return m_reg_info.GetRegisterSet(reg_set);
93 bool GDBRemoteRegisterContext::ReadRegister(const RegisterInfo *reg_info,
94 RegisterValue &value) {
96 if (ReadRegisterBytes(reg_info, m_reg_data)) {
97 const bool partial_data_ok = false;
98 Status error(value.SetValueFromData(
99 reg_info, m_reg_data, reg_info->byte_offset, partial_data_ok));
100 return error.Success();
105 bool GDBRemoteRegisterContext::PrivateSetRegisterValue(
106 uint32_t reg, llvm::ArrayRef<uint8_t> data) {
107 const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg);
108 if (reg_info == NULL)
111 // Invalidate if needed
112 InvalidateIfNeeded(false);
114 const size_t reg_byte_size = reg_info->byte_size;
115 memcpy(const_cast<uint8_t *>(
116 m_reg_data.PeekData(reg_info->byte_offset, reg_byte_size)),
117 data.data(), std::min(data.size(), reg_byte_size));
118 bool success = data.size() >= reg_byte_size;
120 SetRegisterIsValid(reg, true);
121 } else if (data.size() > 0) {
122 // Only set register is valid to false if we copied some bytes, else
123 // leave it as it was.
124 SetRegisterIsValid(reg, false);
129 bool GDBRemoteRegisterContext::PrivateSetRegisterValue(uint32_t reg,
130 uint64_t new_reg_val) {
131 const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg);
132 if (reg_info == NULL)
135 // Early in process startup, we can get a thread that has an invalid byte
137 // because the process hasn't been completely set up yet (see the ctor where
139 // byte order is setfrom the process). If that's the case, we can't set the
141 if (m_reg_data.GetByteOrder() == eByteOrderInvalid) {
145 // Invalidate if needed
146 InvalidateIfNeeded(false);
148 DataBufferSP buffer_sp(new DataBufferHeap(&new_reg_val, sizeof(new_reg_val)));
149 DataExtractor data(buffer_sp, endian::InlHostByteOrder(), sizeof(void *));
151 // If our register context and our register info disagree, which should never
153 // overwrite past the end of the buffer.
154 if (m_reg_data.GetByteSize() < reg_info->byte_offset + reg_info->byte_size)
157 // Grab a pointer to where we are going to put this register
158 uint8_t *dst = const_cast<uint8_t *>(
159 m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size));
164 if (data.CopyByteOrderedData(0, // src offset
165 reg_info->byte_size, // src length
167 reg_info->byte_size, // dst length
168 m_reg_data.GetByteOrder())) // dst byte order
170 SetRegisterIsValid(reg, true);
176 // Helper function for GDBRemoteRegisterContext::ReadRegisterBytes().
177 bool GDBRemoteRegisterContext::GetPrimordialRegister(
178 const RegisterInfo *reg_info, GDBRemoteCommunicationClient &gdb_comm) {
179 const uint32_t lldb_reg = reg_info->kinds[eRegisterKindLLDB];
180 const uint32_t remote_reg = reg_info->kinds[eRegisterKindProcessPlugin];
182 if (DataBufferSP buffer_sp =
183 gdb_comm.ReadRegister(m_thread.GetProtocolID(), remote_reg))
184 return PrivateSetRegisterValue(
185 lldb_reg, llvm::ArrayRef<uint8_t>(buffer_sp->GetBytes(),
186 buffer_sp->GetByteSize()));
190 bool GDBRemoteRegisterContext::ReadRegisterBytes(const RegisterInfo *reg_info,
191 DataExtractor &data) {
192 ExecutionContext exe_ctx(CalculateThread());
194 Process *process = exe_ctx.GetProcessPtr();
195 Thread *thread = exe_ctx.GetThreadPtr();
196 if (process == NULL || thread == NULL)
199 GDBRemoteCommunicationClient &gdb_comm(
200 ((ProcessGDBRemote *)process)->GetGDBRemote());
202 InvalidateIfNeeded(false);
204 const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
206 if (!GetRegisterIsValid(reg)) {
207 if (m_read_all_at_once) {
208 if (DataBufferSP buffer_sp =
209 gdb_comm.ReadAllRegisters(m_thread.GetProtocolID())) {
210 memcpy(const_cast<uint8_t *>(m_reg_data.GetDataStart()),
211 buffer_sp->GetBytes(),
212 std::min(buffer_sp->GetByteSize(), m_reg_data.GetByteSize()));
213 if (buffer_sp->GetByteSize() >= m_reg_data.GetByteSize()) {
214 SetAllRegisterValid(true);
220 if (reg_info->value_regs) {
221 // Process this composite register request by delegating to the
223 // primordial registers.
225 // Index of the primordial register.
227 for (uint32_t idx = 0; success; ++idx) {
228 const uint32_t prim_reg = reg_info->value_regs[idx];
229 if (prim_reg == LLDB_INVALID_REGNUM)
231 // We have a valid primordial register as our constituent.
232 // Grab the corresponding register info.
233 const RegisterInfo *prim_reg_info = GetRegisterInfoAtIndex(prim_reg);
234 if (prim_reg_info == NULL)
237 // Read the containing register if it hasn't already been read
238 if (!GetRegisterIsValid(prim_reg))
239 success = GetPrimordialRegister(prim_reg_info, gdb_comm);
244 // If we reach this point, all primordial register requests have
246 // Validate this composite register.
247 SetRegisterIsValid(reg_info, true);
250 // Get each register individually
251 GetPrimordialRegister(reg_info, gdb_comm);
254 // Make sure we got a valid register value after reading it
255 if (!GetRegisterIsValid(reg))
259 if (&data != &m_reg_data) {
260 #if defined(LLDB_CONFIGURATION_DEBUG)
261 assert(m_reg_data.GetByteSize() >=
262 reg_info->byte_offset + reg_info->byte_size);
264 // If our register context and our register info disagree, which should
265 // never happen, don't
266 // read past the end of the buffer.
267 if (m_reg_data.GetByteSize() < reg_info->byte_offset + reg_info->byte_size)
270 // If we aren't extracting into our own buffer (which
271 // only happens when this function is called from
272 // ReadRegisterValue(uint32_t, Scalar&)) then
273 // we transfer bytes from our buffer into the data
274 // buffer that was passed in
276 data.SetByteOrder(m_reg_data.GetByteOrder());
277 data.SetData(m_reg_data, reg_info->byte_offset, reg_info->byte_size);
282 bool GDBRemoteRegisterContext::WriteRegister(const RegisterInfo *reg_info,
283 const RegisterValue &value) {
285 if (value.GetData(data))
286 return WriteRegisterBytes(reg_info, data, 0);
290 // Helper function for GDBRemoteRegisterContext::WriteRegisterBytes().
291 bool GDBRemoteRegisterContext::SetPrimordialRegister(
292 const RegisterInfo *reg_info, GDBRemoteCommunicationClient &gdb_comm) {
294 StringExtractorGDBRemote response;
295 const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
296 // Invalidate just this register
297 SetRegisterIsValid(reg, false);
299 return gdb_comm.WriteRegister(
300 m_thread.GetProtocolID(), reg_info->kinds[eRegisterKindProcessPlugin],
301 {m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size),
302 reg_info->byte_size});
305 bool GDBRemoteRegisterContext::WriteRegisterBytes(const RegisterInfo *reg_info,
307 uint32_t data_offset) {
308 ExecutionContext exe_ctx(CalculateThread());
310 Process *process = exe_ctx.GetProcessPtr();
311 Thread *thread = exe_ctx.GetThreadPtr();
312 if (process == NULL || thread == NULL)
315 GDBRemoteCommunicationClient &gdb_comm(
316 ((ProcessGDBRemote *)process)->GetGDBRemote());
318 #if defined(LLDB_CONFIGURATION_DEBUG)
319 assert(m_reg_data.GetByteSize() >=
320 reg_info->byte_offset + reg_info->byte_size);
323 // If our register context and our register info disagree, which should never
325 // overwrite past the end of the buffer.
326 if (m_reg_data.GetByteSize() < reg_info->byte_offset + reg_info->byte_size)
329 // Grab a pointer to where we are going to put this register
330 uint8_t *dst = const_cast<uint8_t *>(
331 m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size));
336 if (data.CopyByteOrderedData(data_offset, // src offset
337 reg_info->byte_size, // src length
339 reg_info->byte_size, // dst length
340 m_reg_data.GetByteOrder())) // dst byte order
342 GDBRemoteClientBase::Lock lock(gdb_comm, false);
344 if (m_read_all_at_once) {
345 // Invalidate all register values
346 InvalidateIfNeeded(true);
348 // Set all registers in one packet
349 if (gdb_comm.WriteAllRegisters(
350 m_thread.GetProtocolID(),
351 {m_reg_data.GetDataStart(), size_t(m_reg_data.GetByteSize())}))
354 SetAllRegisterValid(false);
360 if (reg_info->value_regs) {
361 // This register is part of another register. In this case we read the
363 // register data for any "value_regs", and once all that data is read,
365 // have enough data in our register context bytes for the value of
368 // Invalidate this composite register first.
370 for (uint32_t idx = 0; success; ++idx) {
371 const uint32_t reg = reg_info->value_regs[idx];
372 if (reg == LLDB_INVALID_REGNUM)
374 // We have a valid primordial register as our constituent.
375 // Grab the corresponding register info.
376 const RegisterInfo *value_reg_info = GetRegisterInfoAtIndex(reg);
377 if (value_reg_info == NULL)
380 success = SetPrimordialRegister(value_reg_info, gdb_comm);
383 // This is an actual register, write it
384 success = SetPrimordialRegister(reg_info, gdb_comm);
387 // Check if writing this register will invalidate any other register
389 // If so, invalidate them
390 if (reg_info->invalidate_regs) {
391 for (uint32_t idx = 0, reg = reg_info->invalidate_regs[0];
392 reg != LLDB_INVALID_REGNUM;
393 reg = reg_info->invalidate_regs[++idx]) {
394 SetRegisterIsValid(reg, false);
401 Log *log(ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet(GDBR_LOG_THREAD |
404 if (log->GetVerbose()) {
406 gdb_comm.DumpHistory(strm);
407 log->Printf("error: failed to get packet sequence mutex, not sending "
408 "write register for \"%s\":\n%s",
409 reg_info->name, strm.GetData());
411 log->Printf("error: failed to get packet sequence mutex, not sending "
412 "write register for \"%s\"",
420 bool GDBRemoteRegisterContext::ReadAllRegisterValues(
421 RegisterCheckpoint ®_checkpoint) {
422 ExecutionContext exe_ctx(CalculateThread());
424 Process *process = exe_ctx.GetProcessPtr();
425 Thread *thread = exe_ctx.GetThreadPtr();
426 if (process == NULL || thread == NULL)
429 GDBRemoteCommunicationClient &gdb_comm(
430 ((ProcessGDBRemote *)process)->GetGDBRemote());
432 uint32_t save_id = 0;
433 if (gdb_comm.SaveRegisterState(thread->GetProtocolID(), save_id)) {
434 reg_checkpoint.SetID(save_id);
435 reg_checkpoint.GetData().reset();
438 reg_checkpoint.SetID(0); // Invalid save ID is zero
439 return ReadAllRegisterValues(reg_checkpoint.GetData());
443 bool GDBRemoteRegisterContext::WriteAllRegisterValues(
444 const RegisterCheckpoint ®_checkpoint) {
445 uint32_t save_id = reg_checkpoint.GetID();
447 ExecutionContext exe_ctx(CalculateThread());
449 Process *process = exe_ctx.GetProcessPtr();
450 Thread *thread = exe_ctx.GetThreadPtr();
451 if (process == NULL || thread == NULL)
454 GDBRemoteCommunicationClient &gdb_comm(
455 ((ProcessGDBRemote *)process)->GetGDBRemote());
457 return gdb_comm.RestoreRegisterState(m_thread.GetProtocolID(), save_id);
459 return WriteAllRegisterValues(reg_checkpoint.GetData());
463 bool GDBRemoteRegisterContext::ReadAllRegisterValues(
464 lldb::DataBufferSP &data_sp) {
465 ExecutionContext exe_ctx(CalculateThread());
467 Process *process = exe_ctx.GetProcessPtr();
468 Thread *thread = exe_ctx.GetThreadPtr();
469 if (process == NULL || thread == NULL)
472 GDBRemoteCommunicationClient &gdb_comm(
473 ((ProcessGDBRemote *)process)->GetGDBRemote());
475 const bool use_g_packet =
476 gdb_comm.AvoidGPackets((ProcessGDBRemote *)process) == false;
478 GDBRemoteClientBase::Lock lock(gdb_comm, false);
480 if (gdb_comm.SyncThreadState(m_thread.GetProtocolID()))
481 InvalidateAllRegisters();
484 (data_sp = gdb_comm.ReadAllRegisters(m_thread.GetProtocolID())))
487 // We're going to read each register
488 // individually and store them as binary data in a buffer.
489 const RegisterInfo *reg_info;
491 for (uint32_t i = 0; (reg_info = GetRegisterInfoAtIndex(i)) != NULL; i++) {
493 ->value_regs) // skip registers that are slices of real registers
495 ReadRegisterBytes(reg_info, m_reg_data);
496 // ReadRegisterBytes saves the contents of the register in to the
499 data_sp.reset(new DataBufferHeap(m_reg_data.GetDataStart(),
500 m_reg_info.GetRegisterDataByteSize()));
504 Log *log(ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet(GDBR_LOG_THREAD |
507 if (log->GetVerbose()) {
509 gdb_comm.DumpHistory(strm);
510 log->Printf("error: failed to get packet sequence mutex, not sending "
511 "read all registers:\n%s",
514 log->Printf("error: failed to get packet sequence mutex, not sending "
515 "read all registers");
523 bool GDBRemoteRegisterContext::WriteAllRegisterValues(
524 const lldb::DataBufferSP &data_sp) {
525 if (!data_sp || data_sp->GetBytes() == NULL || data_sp->GetByteSize() == 0)
528 ExecutionContext exe_ctx(CalculateThread());
530 Process *process = exe_ctx.GetProcessPtr();
531 Thread *thread = exe_ctx.GetThreadPtr();
532 if (process == NULL || thread == NULL)
535 GDBRemoteCommunicationClient &gdb_comm(
536 ((ProcessGDBRemote *)process)->GetGDBRemote());
538 const bool use_g_packet =
539 gdb_comm.AvoidGPackets((ProcessGDBRemote *)process) == false;
541 GDBRemoteClientBase::Lock lock(gdb_comm, false);
543 // The data_sp contains the G response packet.
545 if (gdb_comm.WriteAllRegisters(
546 m_thread.GetProtocolID(),
547 {data_sp->GetBytes(), size_t(data_sp->GetByteSize())}))
550 uint32_t num_restored = 0;
551 // We need to manually go through all of the registers and
552 // restore them manually
553 DataExtractor restore_data(data_sp, m_reg_data.GetByteOrder(),
554 m_reg_data.GetAddressByteSize());
556 const RegisterInfo *reg_info;
558 // The g packet contents may either include the slice registers (registers
560 // terms of other registers, e.g. eax is a subset of rax) or not. The
562 // should NOT be in the g packet, but some implementations may incorrectly
565 // If the slice registers are included in the packet, we must step over
566 // the slice registers
567 // when parsing the packet -- relying on the RegisterInfo byte_offset
568 // field would be incorrect.
569 // If the slice registers are not included, then using the byte_offset
571 // data buffer is the best way to find individual register values.
573 uint64_t size_including_slice_registers = 0;
574 uint64_t size_not_including_slice_registers = 0;
575 uint64_t size_by_highest_offset = 0;
577 for (uint32_t reg_idx = 0;
578 (reg_info = GetRegisterInfoAtIndex(reg_idx)) != NULL; ++reg_idx) {
579 size_including_slice_registers += reg_info->byte_size;
580 if (reg_info->value_regs == NULL)
581 size_not_including_slice_registers += reg_info->byte_size;
582 if (reg_info->byte_offset >= size_by_highest_offset)
583 size_by_highest_offset = reg_info->byte_offset + reg_info->byte_size;
586 bool use_byte_offset_into_buffer;
587 if (size_by_highest_offset == restore_data.GetByteSize()) {
588 // The size of the packet agrees with the highest offset: + size in the
590 use_byte_offset_into_buffer = true;
591 } else if (size_not_including_slice_registers ==
592 restore_data.GetByteSize()) {
593 // The size of the packet is the same as concatenating all of the
594 // registers sequentially,
595 // skipping the slice registers
596 use_byte_offset_into_buffer = true;
597 } else if (size_including_slice_registers == restore_data.GetByteSize()) {
598 // The slice registers are present in the packet (when they shouldn't
600 // Don't try to use the RegisterInfo byte_offset into the restore_data,
602 // point to the wrong place.
603 use_byte_offset_into_buffer = false;
605 // None of our expected sizes match the actual g packet data we're
607 // The most conservative approach here is to use the running total byte
609 use_byte_offset_into_buffer = false;
612 // In case our register definitions don't include the correct offsets,
613 // keep track of the size of each reg & compute offset based on that.
614 uint32_t running_byte_offset = 0;
615 for (uint32_t reg_idx = 0;
616 (reg_info = GetRegisterInfoAtIndex(reg_idx)) != NULL;
617 ++reg_idx, running_byte_offset += reg_info->byte_size) {
618 // Skip composite aka slice registers (e.g. eax is a slice of rax).
619 if (reg_info->value_regs)
622 const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
624 uint32_t register_offset;
625 if (use_byte_offset_into_buffer) {
626 register_offset = reg_info->byte_offset;
628 register_offset = running_byte_offset;
631 const uint32_t reg_byte_size = reg_info->byte_size;
633 const uint8_t *restore_src =
634 restore_data.PeekData(register_offset, reg_byte_size);
636 SetRegisterIsValid(reg, false);
637 if (gdb_comm.WriteRegister(
638 m_thread.GetProtocolID(),
639 reg_info->kinds[eRegisterKindProcessPlugin],
640 {restore_src, reg_byte_size}))
644 return num_restored > 0;
646 // For the use_g_packet == false case, we're going to write each register
647 // individually. The data buffer is binary data in this case, instead of
650 bool arm64_debugserver = false;
651 if (m_thread.GetProcess().get()) {
652 const ArchSpec &arch =
653 m_thread.GetProcess()->GetTarget().GetArchitecture();
654 if (arch.IsValid() && arch.GetMachine() == llvm::Triple::aarch64 &&
655 arch.GetTriple().getVendor() == llvm::Triple::Apple &&
656 arch.GetTriple().getOS() == llvm::Triple::IOS) {
657 arm64_debugserver = true;
660 uint32_t num_restored = 0;
661 const RegisterInfo *reg_info;
662 for (uint32_t i = 0; (reg_info = GetRegisterInfoAtIndex(i)) != NULL;
664 if (reg_info->value_regs) // skip registers that are slices of real
667 // Skip the fpsr and fpcr floating point status/control register writing
669 // work around a bug in an older version of debugserver that would lead
671 // register context corruption when writing fpsr/fpcr.
672 if (arm64_debugserver && (strcmp(reg_info->name, "fpsr") == 0 ||
673 strcmp(reg_info->name, "fpcr") == 0)) {
677 SetRegisterIsValid(reg_info, false);
678 if (gdb_comm.WriteRegister(m_thread.GetProtocolID(),
679 reg_info->kinds[eRegisterKindProcessPlugin],
680 {data_sp->GetBytes() + reg_info->byte_offset,
681 reg_info->byte_size}))
684 return num_restored > 0;
687 Log *log(ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet(GDBR_LOG_THREAD |
690 if (log->GetVerbose()) {
692 gdb_comm.DumpHistory(strm);
693 log->Printf("error: failed to get packet sequence mutex, not sending "
694 "write all registers:\n%s",
697 log->Printf("error: failed to get packet sequence mutex, not sending "
698 "write all registers");
704 uint32_t GDBRemoteRegisterContext::ConvertRegisterKindToRegisterNumber(
705 lldb::RegisterKind kind, uint32_t num) {
706 return m_reg_info.ConvertRegisterKindToRegisterNumber(kind, num);
709 void GDBRemoteDynamicRegisterInfo::HardcodeARMRegisters(bool from_scratch) {
710 // For Advanced SIMD and VFP register mapping.
711 static uint32_t g_d0_regs[] = {26, 27, LLDB_INVALID_REGNUM}; // (s0, s1)
712 static uint32_t g_d1_regs[] = {28, 29, LLDB_INVALID_REGNUM}; // (s2, s3)
713 static uint32_t g_d2_regs[] = {30, 31, LLDB_INVALID_REGNUM}; // (s4, s5)
714 static uint32_t g_d3_regs[] = {32, 33, LLDB_INVALID_REGNUM}; // (s6, s7)
715 static uint32_t g_d4_regs[] = {34, 35, LLDB_INVALID_REGNUM}; // (s8, s9)
716 static uint32_t g_d5_regs[] = {36, 37, LLDB_INVALID_REGNUM}; // (s10, s11)
717 static uint32_t g_d6_regs[] = {38, 39, LLDB_INVALID_REGNUM}; // (s12, s13)
718 static uint32_t g_d7_regs[] = {40, 41, LLDB_INVALID_REGNUM}; // (s14, s15)
719 static uint32_t g_d8_regs[] = {42, 43, LLDB_INVALID_REGNUM}; // (s16, s17)
720 static uint32_t g_d9_regs[] = {44, 45, LLDB_INVALID_REGNUM}; // (s18, s19)
721 static uint32_t g_d10_regs[] = {46, 47, LLDB_INVALID_REGNUM}; // (s20, s21)
722 static uint32_t g_d11_regs[] = {48, 49, LLDB_INVALID_REGNUM}; // (s22, s23)
723 static uint32_t g_d12_regs[] = {50, 51, LLDB_INVALID_REGNUM}; // (s24, s25)
724 static uint32_t g_d13_regs[] = {52, 53, LLDB_INVALID_REGNUM}; // (s26, s27)
725 static uint32_t g_d14_regs[] = {54, 55, LLDB_INVALID_REGNUM}; // (s28, s29)
726 static uint32_t g_d15_regs[] = {56, 57, LLDB_INVALID_REGNUM}; // (s30, s31)
727 static uint32_t g_q0_regs[] = {
728 26, 27, 28, 29, LLDB_INVALID_REGNUM}; // (d0, d1) -> (s0, s1, s2, s3)
729 static uint32_t g_q1_regs[] = {
730 30, 31, 32, 33, LLDB_INVALID_REGNUM}; // (d2, d3) -> (s4, s5, s6, s7)
731 static uint32_t g_q2_regs[] = {
732 34, 35, 36, 37, LLDB_INVALID_REGNUM}; // (d4, d5) -> (s8, s9, s10, s11)
733 static uint32_t g_q3_regs[] = {
734 38, 39, 40, 41, LLDB_INVALID_REGNUM}; // (d6, d7) -> (s12, s13, s14, s15)
735 static uint32_t g_q4_regs[] = {
736 42, 43, 44, 45, LLDB_INVALID_REGNUM}; // (d8, d9) -> (s16, s17, s18, s19)
737 static uint32_t g_q5_regs[] = {
739 LLDB_INVALID_REGNUM}; // (d10, d11) -> (s20, s21, s22, s23)
740 static uint32_t g_q6_regs[] = {
742 LLDB_INVALID_REGNUM}; // (d12, d13) -> (s24, s25, s26, s27)
743 static uint32_t g_q7_regs[] = {
745 LLDB_INVALID_REGNUM}; // (d14, d15) -> (s28, s29, s30, s31)
746 static uint32_t g_q8_regs[] = {59, 60, LLDB_INVALID_REGNUM}; // (d16, d17)
747 static uint32_t g_q9_regs[] = {61, 62, LLDB_INVALID_REGNUM}; // (d18, d19)
748 static uint32_t g_q10_regs[] = {63, 64, LLDB_INVALID_REGNUM}; // (d20, d21)
749 static uint32_t g_q11_regs[] = {65, 66, LLDB_INVALID_REGNUM}; // (d22, d23)
750 static uint32_t g_q12_regs[] = {67, 68, LLDB_INVALID_REGNUM}; // (d24, d25)
751 static uint32_t g_q13_regs[] = {69, 70, LLDB_INVALID_REGNUM}; // (d26, d27)
752 static uint32_t g_q14_regs[] = {71, 72, LLDB_INVALID_REGNUM}; // (d28, d29)
753 static uint32_t g_q15_regs[] = {73, 74, LLDB_INVALID_REGNUM}; // (d30, d31)
755 // This is our array of composite registers, with each element coming from the
756 // above register mappings.
757 static uint32_t *g_composites[] = {
758 g_d0_regs, g_d1_regs, g_d2_regs, g_d3_regs, g_d4_regs, g_d5_regs,
759 g_d6_regs, g_d7_regs, g_d8_regs, g_d9_regs, g_d10_regs, g_d11_regs,
760 g_d12_regs, g_d13_regs, g_d14_regs, g_d15_regs, g_q0_regs, g_q1_regs,
761 g_q2_regs, g_q3_regs, g_q4_regs, g_q5_regs, g_q6_regs, g_q7_regs,
762 g_q8_regs, g_q9_regs, g_q10_regs, g_q11_regs, g_q12_regs, g_q13_regs,
763 g_q14_regs, g_q15_regs};
766 static RegisterInfo g_register_infos[] = {
767 // NAME ALT SZ OFF ENCODING FORMAT EH_FRAME DWARF GENERIC PROCESS PLUGIN LLDB VALUE REGS INVALIDATE REGS SIZE EXPR SIZE LEN
768 // ====== ====== === === ============= ========== =================== =================== ====================== ============= ==== ========== =============== ========= ========
769 { "r0", "arg1", 4, 0, eEncodingUint, eFormatHex, { ehframe_r0, dwarf_r0, LLDB_REGNUM_GENERIC_ARG1,0, 0 }, nullptr, nullptr, nullptr, 0 },
770 { "r1", "arg2", 4, 0, eEncodingUint, eFormatHex, { ehframe_r1, dwarf_r1, LLDB_REGNUM_GENERIC_ARG2,1, 1 }, nullptr, nullptr, nullptr, 0 },
771 { "r2", "arg3", 4, 0, eEncodingUint, eFormatHex, { ehframe_r2, dwarf_r2, LLDB_REGNUM_GENERIC_ARG3,2, 2 }, nullptr, nullptr, nullptr, 0 },
772 { "r3", "arg4", 4, 0, eEncodingUint, eFormatHex, { ehframe_r3, dwarf_r3, LLDB_REGNUM_GENERIC_ARG4,3, 3 }, nullptr, nullptr, nullptr, 0 },
773 { "r4", nullptr, 4, 0, eEncodingUint, eFormatHex, { ehframe_r4, dwarf_r4, LLDB_INVALID_REGNUM, 4, 4 }, nullptr, nullptr, nullptr, 0 },
774 { "r5", nullptr, 4, 0, eEncodingUint, eFormatHex, { ehframe_r5, dwarf_r5, LLDB_INVALID_REGNUM, 5, 5 }, nullptr, nullptr, nullptr, 0 },
775 { "r6", nullptr, 4, 0, eEncodingUint, eFormatHex, { ehframe_r6, dwarf_r6, LLDB_INVALID_REGNUM, 6, 6 }, nullptr, nullptr, nullptr, 0 },
776 { "r7", "fp", 4, 0, eEncodingUint, eFormatHex, { ehframe_r7, dwarf_r7, LLDB_REGNUM_GENERIC_FP, 7, 7 }, nullptr, nullptr, nullptr, 0 },
777 { "r8", nullptr, 4, 0, eEncodingUint, eFormatHex, { ehframe_r8, dwarf_r8, LLDB_INVALID_REGNUM, 8, 8 }, nullptr, nullptr, nullptr, 0 },
778 { "r9", nullptr, 4, 0, eEncodingUint, eFormatHex, { ehframe_r9, dwarf_r9, LLDB_INVALID_REGNUM, 9, 9 }, nullptr, nullptr, nullptr, 0 },
779 { "r10", nullptr, 4, 0, eEncodingUint, eFormatHex, { ehframe_r10, dwarf_r10, LLDB_INVALID_REGNUM, 10, 10 }, nullptr, nullptr, nullptr, 0 },
780 { "r11", nullptr, 4, 0, eEncodingUint, eFormatHex, { ehframe_r11, dwarf_r11, LLDB_INVALID_REGNUM, 11, 11 }, nullptr, nullptr, nullptr, 0 },
781 { "r12", nullptr, 4, 0, eEncodingUint, eFormatHex, { ehframe_r12, dwarf_r12, LLDB_INVALID_REGNUM, 12, 12 }, nullptr, nullptr, nullptr, 0 },
782 { "sp", "r13", 4, 0, eEncodingUint, eFormatHex, { ehframe_sp, dwarf_sp, LLDB_REGNUM_GENERIC_SP, 13, 13 }, nullptr, nullptr, nullptr, 0 },
783 { "lr", "r14", 4, 0, eEncodingUint, eFormatHex, { ehframe_lr, dwarf_lr, LLDB_REGNUM_GENERIC_RA, 14, 14 }, nullptr, nullptr, nullptr, 0 },
784 { "pc", "r15", 4, 0, eEncodingUint, eFormatHex, { ehframe_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, 15, 15 }, nullptr, nullptr, nullptr, 0 },
785 { "f0", nullptr, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 16, 16 }, nullptr, nullptr, nullptr, 0 },
786 { "f1", nullptr, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 17, 17 }, nullptr, nullptr, nullptr, 0 },
787 { "f2", nullptr, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 18, 18 }, nullptr, nullptr, nullptr, 0 },
788 { "f3", nullptr, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 19, 19 }, nullptr, nullptr, nullptr, 0 },
789 { "f4", nullptr, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 20, 20 }, nullptr, nullptr, nullptr, 0 },
790 { "f5", nullptr, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 21, 21 }, nullptr, nullptr, nullptr, 0 },
791 { "f6", nullptr, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 22, 22 }, nullptr, nullptr, nullptr, 0 },
792 { "f7", nullptr, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 23, 23 }, nullptr, nullptr, nullptr, 0 },
793 { "fps", nullptr, 4, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 24, 24 }, nullptr, nullptr, nullptr, 0 },
794 { "cpsr","flags", 4, 0, eEncodingUint, eFormatHex, { ehframe_cpsr, dwarf_cpsr, LLDB_INVALID_REGNUM, 25, 25 }, nullptr, nullptr, nullptr, 0 },
795 { "s0", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s0, LLDB_INVALID_REGNUM, 26, 26 }, nullptr, nullptr, nullptr, 0 },
796 { "s1", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s1, LLDB_INVALID_REGNUM, 27, 27 }, nullptr, nullptr, nullptr, 0 },
797 { "s2", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s2, LLDB_INVALID_REGNUM, 28, 28 }, nullptr, nullptr, nullptr, 0 },
798 { "s3", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s3, LLDB_INVALID_REGNUM, 29, 29 }, nullptr, nullptr, nullptr, 0 },
799 { "s4", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s4, LLDB_INVALID_REGNUM, 30, 30 }, nullptr, nullptr, nullptr, 0 },
800 { "s5", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s5, LLDB_INVALID_REGNUM, 31, 31 }, nullptr, nullptr, nullptr, 0 },
801 { "s6", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s6, LLDB_INVALID_REGNUM, 32, 32 }, nullptr, nullptr, nullptr, 0 },
802 { "s7", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s7, LLDB_INVALID_REGNUM, 33, 33 }, nullptr, nullptr, nullptr, 0 },
803 { "s8", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s8, LLDB_INVALID_REGNUM, 34, 34 }, nullptr, nullptr, nullptr, 0 },
804 { "s9", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s9, LLDB_INVALID_REGNUM, 35, 35 }, nullptr, nullptr, nullptr, 0 },
805 { "s10", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s10, LLDB_INVALID_REGNUM, 36, 36 }, nullptr, nullptr, nullptr, 0 },
806 { "s11", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s11, LLDB_INVALID_REGNUM, 37, 37 }, nullptr, nullptr, nullptr, 0 },
807 { "s12", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s12, LLDB_INVALID_REGNUM, 38, 38 }, nullptr, nullptr, nullptr, 0 },
808 { "s13", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s13, LLDB_INVALID_REGNUM, 39, 39 }, nullptr, nullptr, nullptr, 0 },
809 { "s14", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s14, LLDB_INVALID_REGNUM, 40, 40 }, nullptr, nullptr, nullptr, 0 },
810 { "s15", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s15, LLDB_INVALID_REGNUM, 41, 41 }, nullptr, nullptr, nullptr, 0 },
811 { "s16", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s16, LLDB_INVALID_REGNUM, 42, 42 }, nullptr, nullptr, nullptr, 0 },
812 { "s17", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s17, LLDB_INVALID_REGNUM, 43, 43 }, nullptr, nullptr, nullptr, 0 },
813 { "s18", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s18, LLDB_INVALID_REGNUM, 44, 44 }, nullptr, nullptr, nullptr, 0 },
814 { "s19", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s19, LLDB_INVALID_REGNUM, 45, 45 }, nullptr, nullptr, nullptr, 0 },
815 { "s20", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s20, LLDB_INVALID_REGNUM, 46, 46 }, nullptr, nullptr, nullptr, 0 },
816 { "s21", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s21, LLDB_INVALID_REGNUM, 47, 47 }, nullptr, nullptr, nullptr, 0 },
817 { "s22", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s22, LLDB_INVALID_REGNUM, 48, 48 }, nullptr, nullptr, nullptr, 0 },
818 { "s23", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s23, LLDB_INVALID_REGNUM, 49, 49 }, nullptr, nullptr, nullptr, 0 },
819 { "s24", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s24, LLDB_INVALID_REGNUM, 50, 50 }, nullptr, nullptr, nullptr, 0 },
820 { "s25", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s25, LLDB_INVALID_REGNUM, 51, 51 }, nullptr, nullptr, nullptr, 0 },
821 { "s26", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s26, LLDB_INVALID_REGNUM, 52, 52 }, nullptr, nullptr, nullptr, 0 },
822 { "s27", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s27, LLDB_INVALID_REGNUM, 53, 53 }, nullptr, nullptr, nullptr, 0 },
823 { "s28", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s28, LLDB_INVALID_REGNUM, 54, 54 }, nullptr, nullptr, nullptr, 0 },
824 { "s29", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s29, LLDB_INVALID_REGNUM, 55, 55 }, nullptr, nullptr, nullptr, 0 },
825 { "s30", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s30, LLDB_INVALID_REGNUM, 56, 56 }, nullptr, nullptr, nullptr, 0 },
826 { "s31", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s31, LLDB_INVALID_REGNUM, 57, 57 }, nullptr, nullptr, nullptr, 0 },
827 { "fpscr",nullptr, 4, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 58, 58 }, nullptr, nullptr, nullptr, 0 },
828 { "d16", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d16, LLDB_INVALID_REGNUM, 59, 59 }, nullptr, nullptr, nullptr, 0 },
829 { "d17", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d17, LLDB_INVALID_REGNUM, 60, 60 }, nullptr, nullptr, nullptr, 0 },
830 { "d18", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d18, LLDB_INVALID_REGNUM, 61, 61 }, nullptr, nullptr, nullptr, 0 },
831 { "d19", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d19, LLDB_INVALID_REGNUM, 62, 62 }, nullptr, nullptr, nullptr, 0 },
832 { "d20", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d20, LLDB_INVALID_REGNUM, 63, 63 }, nullptr, nullptr, nullptr, 0 },
833 { "d21", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d21, LLDB_INVALID_REGNUM, 64, 64 }, nullptr, nullptr, nullptr, 0 },
834 { "d22", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d22, LLDB_INVALID_REGNUM, 65, 65 }, nullptr, nullptr, nullptr, 0 },
835 { "d23", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d23, LLDB_INVALID_REGNUM, 66, 66 }, nullptr, nullptr, nullptr, 0 },
836 { "d24", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d24, LLDB_INVALID_REGNUM, 67, 67 }, nullptr, nullptr, nullptr, 0 },
837 { "d25", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d25, LLDB_INVALID_REGNUM, 68, 68 }, nullptr, nullptr, nullptr, 0 },
838 { "d26", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d26, LLDB_INVALID_REGNUM, 69, 69 }, nullptr, nullptr, nullptr, 0 },
839 { "d27", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d27, LLDB_INVALID_REGNUM, 70, 70 }, nullptr, nullptr, nullptr, 0 },
840 { "d28", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d28, LLDB_INVALID_REGNUM, 71, 71 }, nullptr, nullptr, nullptr, 0 },
841 { "d29", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d29, LLDB_INVALID_REGNUM, 72, 72 }, nullptr, nullptr, nullptr, 0 },
842 { "d30", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d30, LLDB_INVALID_REGNUM, 73, 73 }, nullptr, nullptr, nullptr, 0 },
843 { "d31", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d31, LLDB_INVALID_REGNUM, 74, 74 }, nullptr, nullptr, nullptr, 0 },
844 { "d0", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d0, LLDB_INVALID_REGNUM, 75, 75 }, g_d0_regs, nullptr, nullptr, 0 },
845 { "d1", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d1, LLDB_INVALID_REGNUM, 76, 76 }, g_d1_regs, nullptr, nullptr, 0 },
846 { "d2", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d2, LLDB_INVALID_REGNUM, 77, 77 }, g_d2_regs, nullptr, nullptr, 0 },
847 { "d3", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d3, LLDB_INVALID_REGNUM, 78, 78 }, g_d3_regs, nullptr, nullptr, 0 },
848 { "d4", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d4, LLDB_INVALID_REGNUM, 79, 79 }, g_d4_regs, nullptr, nullptr, 0 },
849 { "d5", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d5, LLDB_INVALID_REGNUM, 80, 80 }, g_d5_regs, nullptr, nullptr, 0 },
850 { "d6", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d6, LLDB_INVALID_REGNUM, 81, 81 }, g_d6_regs, nullptr, nullptr, 0 },
851 { "d7", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d7, LLDB_INVALID_REGNUM, 82, 82 }, g_d7_regs, nullptr, nullptr, 0 },
852 { "d8", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d8, LLDB_INVALID_REGNUM, 83, 83 }, g_d8_regs, nullptr, nullptr, 0 },
853 { "d9", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d9, LLDB_INVALID_REGNUM, 84, 84 }, g_d9_regs, nullptr, nullptr, 0 },
854 { "d10", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d10, LLDB_INVALID_REGNUM, 85, 85 }, g_d10_regs, nullptr, nullptr, 0 },
855 { "d11", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d11, LLDB_INVALID_REGNUM, 86, 86 }, g_d11_regs, nullptr, nullptr, 0 },
856 { "d12", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d12, LLDB_INVALID_REGNUM, 87, 87 }, g_d12_regs, nullptr, nullptr, 0 },
857 { "d13", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d13, LLDB_INVALID_REGNUM, 88, 88 }, g_d13_regs, nullptr, nullptr, 0 },
858 { "d14", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d14, LLDB_INVALID_REGNUM, 89, 89 }, g_d14_regs, nullptr, nullptr, 0 },
859 { "d15", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d15, LLDB_INVALID_REGNUM, 90, 90 }, g_d15_regs, nullptr, nullptr, 0 },
860 { "q0", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q0, LLDB_INVALID_REGNUM, 91, 91 }, g_q0_regs, nullptr, nullptr, 0 },
861 { "q1", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q1, LLDB_INVALID_REGNUM, 92, 92 }, g_q1_regs, nullptr, nullptr, 0 },
862 { "q2", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q2, LLDB_INVALID_REGNUM, 93, 93 }, g_q2_regs, nullptr, nullptr, 0 },
863 { "q3", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q3, LLDB_INVALID_REGNUM, 94, 94 }, g_q3_regs, nullptr, nullptr, 0 },
864 { "q4", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q4, LLDB_INVALID_REGNUM, 95, 95 }, g_q4_regs, nullptr, nullptr, 0 },
865 { "q5", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q5, LLDB_INVALID_REGNUM, 96, 96 }, g_q5_regs, nullptr, nullptr, 0 },
866 { "q6", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q6, LLDB_INVALID_REGNUM, 97, 97 }, g_q6_regs, nullptr, nullptr, 0 },
867 { "q7", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q7, LLDB_INVALID_REGNUM, 98, 98 }, g_q7_regs, nullptr, nullptr, 0 },
868 { "q8", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q8, LLDB_INVALID_REGNUM, 99, 99 }, g_q8_regs, nullptr, nullptr, 0 },
869 { "q9", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q9, LLDB_INVALID_REGNUM, 100, 100 }, g_q9_regs, nullptr, nullptr, 0 },
870 { "q10", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q10, LLDB_INVALID_REGNUM, 101, 101 }, g_q10_regs, nullptr, nullptr, 0 },
871 { "q11", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q11, LLDB_INVALID_REGNUM, 102, 102 }, g_q11_regs, nullptr, nullptr, 0 },
872 { "q12", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q12, LLDB_INVALID_REGNUM, 103, 103 }, g_q12_regs, nullptr, nullptr, 0 },
873 { "q13", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q13, LLDB_INVALID_REGNUM, 104, 104 }, g_q13_regs, nullptr, nullptr, 0 },
874 { "q14", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q14, LLDB_INVALID_REGNUM, 105, 105 }, g_q14_regs, nullptr, nullptr, 0 },
875 { "q15", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q15, LLDB_INVALID_REGNUM, 106, 106 }, g_q15_regs, nullptr, nullptr, 0 }
879 static const uint32_t num_registers = llvm::array_lengthof(g_register_infos);
880 static ConstString gpr_reg_set("General Purpose Registers");
881 static ConstString sfp_reg_set("Software Floating Point Registers");
882 static ConstString vfp_reg_set("Floating Point Registers");
885 // Calculate the offsets of the registers
886 // Note that the layout of the "composite" registers (d0-d15 and q0-q15)
887 // which comes after the
888 // "primordial" registers is important. This enables us to calculate the
889 // offset of the composite
890 // register by using the offset of its first primordial register. For
891 // example, to calculate the
892 // offset of q0, use s0's offset.
893 if (g_register_infos[2].byte_offset == 0) {
894 uint32_t byte_offset = 0;
895 for (i = 0; i < num_registers; ++i) {
896 // For primordial registers, increment the byte_offset by the byte_size
898 // byte_offset for the next register. Otherwise, we have a composite
900 // offset can be calculated by consulting the offset of its first
901 // primordial register.
902 if (!g_register_infos[i].value_regs) {
903 g_register_infos[i].byte_offset = byte_offset;
904 byte_offset += g_register_infos[i].byte_size;
906 const uint32_t first_primordial_reg =
907 g_register_infos[i].value_regs[0];
908 g_register_infos[i].byte_offset =
909 g_register_infos[first_primordial_reg].byte_offset;
913 for (i = 0; i < num_registers; ++i) {
915 ConstString alt_name;
916 if (g_register_infos[i].name && g_register_infos[i].name[0])
917 name.SetCString(g_register_infos[i].name);
918 if (g_register_infos[i].alt_name && g_register_infos[i].alt_name[0])
919 alt_name.SetCString(g_register_infos[i].alt_name);
921 if (i <= 15 || i == 25)
922 AddRegister(g_register_infos[i], name, alt_name, gpr_reg_set);
924 AddRegister(g_register_infos[i], name, alt_name, sfp_reg_set);
926 AddRegister(g_register_infos[i], name, alt_name, vfp_reg_set);
929 // Add composite registers to our primordial registers, then.
930 const size_t num_composites = llvm::array_lengthof(g_composites);
931 const size_t num_dynamic_regs = GetNumRegisters();
932 const size_t num_common_regs = num_registers - num_composites;
933 RegisterInfo *g_comp_register_infos = g_register_infos + num_common_regs;
935 // First we need to validate that all registers that we already have match
936 // the non composite regs.
937 // If so, then we can add the registers, else we need to bail
939 if (num_dynamic_regs == num_common_regs) {
940 for (i = 0; match && i < num_dynamic_regs; ++i) {
941 // Make sure all register names match
942 if (m_regs[i].name && g_register_infos[i].name) {
943 if (strcmp(m_regs[i].name, g_register_infos[i].name)) {
949 // Make sure all register byte sizes match
950 if (m_regs[i].byte_size != g_register_infos[i].byte_size) {
956 // Wrong number of registers.
959 // If "match" is true, then we can add extra registers.
961 for (i = 0; i < num_composites; ++i) {
963 ConstString alt_name;
964 const uint32_t first_primordial_reg =
965 g_comp_register_infos[i].value_regs[0];
966 const char *reg_name = g_register_infos[first_primordial_reg].name;
967 if (reg_name && reg_name[0]) {
968 for (uint32_t j = 0; j < num_dynamic_regs; ++j) {
969 const RegisterInfo *reg_info = GetRegisterInfoAtIndex(j);
970 // Find a matching primordial register info entry.
971 if (reg_info && reg_info->name &&
972 ::strcasecmp(reg_info->name, reg_name) == 0) {
973 // The name matches the existing primordial entry.
974 // Find and assign the offset, and then add this composite
976 g_comp_register_infos[i].byte_offset = reg_info->byte_offset;
977 name.SetCString(g_comp_register_infos[i].name);
978 AddRegister(g_comp_register_infos[i], name, alt_name,