988 lines
56 KiB
C++
988 lines
56 KiB
C++
//===-- GDBRemoteRegisterContext.cpp ----------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "GDBRemoteRegisterContext.h"
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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#include "lldb/Core/DataBufferHeap.h"
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#include "lldb/Core/DataExtractor.h"
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#include "lldb/Core/RegisterValue.h"
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#include "lldb/Core/Scalar.h"
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#include "lldb/Core/StreamString.h"
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#include "lldb/Target/ExecutionContext.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Utility/Utils.h"
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// Project includes
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#include "ProcessGDBRemote.h"
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#include "ProcessGDBRemoteLog.h"
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#include "ThreadGDBRemote.h"
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#include "Utility/ARM_DWARF_Registers.h"
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#include "Utility/ARM_ehframe_Registers.h"
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#include "Utility/StringExtractorGDBRemote.h"
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using namespace lldb;
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using namespace lldb_private;
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using namespace lldb_private::process_gdb_remote;
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//----------------------------------------------------------------------
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// GDBRemoteRegisterContext constructor
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//----------------------------------------------------------------------
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GDBRemoteRegisterContext::GDBRemoteRegisterContext(
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ThreadGDBRemote &thread, uint32_t concrete_frame_idx,
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GDBRemoteDynamicRegisterInfo ®_info, bool read_all_at_once)
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: RegisterContext(thread, concrete_frame_idx), m_reg_info(reg_info),
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m_reg_valid(), m_reg_data(), m_read_all_at_once(read_all_at_once) {
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// Resize our vector of bools to contain one bool for every register.
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// We will use these boolean values to know when a register value
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// is valid in m_reg_data.
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m_reg_valid.resize(reg_info.GetNumRegisters());
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// Make a heap based buffer that is big enough to store all registers
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DataBufferSP reg_data_sp(
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new DataBufferHeap(reg_info.GetRegisterDataByteSize(), 0));
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m_reg_data.SetData(reg_data_sp);
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m_reg_data.SetByteOrder(thread.GetProcess()->GetByteOrder());
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}
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//----------------------------------------------------------------------
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// Destructor
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//----------------------------------------------------------------------
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GDBRemoteRegisterContext::~GDBRemoteRegisterContext() {}
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void GDBRemoteRegisterContext::InvalidateAllRegisters() {
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SetAllRegisterValid(false);
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}
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void GDBRemoteRegisterContext::SetAllRegisterValid(bool b) {
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std::vector<bool>::iterator pos, end = m_reg_valid.end();
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for (pos = m_reg_valid.begin(); pos != end; ++pos)
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*pos = b;
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}
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size_t GDBRemoteRegisterContext::GetRegisterCount() {
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return m_reg_info.GetNumRegisters();
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}
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const RegisterInfo *
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GDBRemoteRegisterContext::GetRegisterInfoAtIndex(size_t reg) {
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RegisterInfo *reg_info = m_reg_info.GetRegisterInfoAtIndex(reg);
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if (reg_info && reg_info->dynamic_size_dwarf_expr_bytes) {
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const ArchSpec &arch = m_thread.GetProcess()->GetTarget().GetArchitecture();
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uint8_t reg_size = UpdateDynamicRegisterSize(arch, reg_info);
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reg_info->byte_size = reg_size;
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}
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return reg_info;
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}
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size_t GDBRemoteRegisterContext::GetRegisterSetCount() {
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return m_reg_info.GetNumRegisterSets();
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}
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const RegisterSet *GDBRemoteRegisterContext::GetRegisterSet(size_t reg_set) {
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return m_reg_info.GetRegisterSet(reg_set);
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}
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bool GDBRemoteRegisterContext::ReadRegister(const RegisterInfo *reg_info,
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RegisterValue &value) {
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// Read the register
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if (ReadRegisterBytes(reg_info, m_reg_data)) {
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const bool partial_data_ok = false;
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Error error(value.SetValueFromData(reg_info, m_reg_data,
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reg_info->byte_offset, partial_data_ok));
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return error.Success();
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}
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return false;
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}
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bool GDBRemoteRegisterContext::PrivateSetRegisterValue(
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uint32_t reg, llvm::ArrayRef<uint8_t> data) {
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const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg);
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if (reg_info == NULL)
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return false;
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// Invalidate if needed
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InvalidateIfNeeded(false);
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const size_t reg_byte_size = reg_info->byte_size;
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memcpy(const_cast<uint8_t *>(
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m_reg_data.PeekData(reg_info->byte_offset, reg_byte_size)),
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data.data(), std::min(data.size(), reg_byte_size));
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bool success = data.size() >= reg_byte_size;
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if (success) {
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SetRegisterIsValid(reg, true);
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} else if (data.size() > 0) {
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// Only set register is valid to false if we copied some bytes, else
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// leave it as it was.
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SetRegisterIsValid(reg, false);
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}
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return success;
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}
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bool GDBRemoteRegisterContext::PrivateSetRegisterValue(uint32_t reg,
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uint64_t new_reg_val) {
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const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg);
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if (reg_info == NULL)
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return false;
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// Early in process startup, we can get a thread that has an invalid byte
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// order
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// because the process hasn't been completely set up yet (see the ctor where
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// the
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// byte order is setfrom the process). If that's the case, we can't set the
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// value here.
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if (m_reg_data.GetByteOrder() == eByteOrderInvalid) {
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return false;
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}
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// Invalidate if needed
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InvalidateIfNeeded(false);
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DataBufferSP buffer_sp(new DataBufferHeap(&new_reg_val, sizeof(new_reg_val)));
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DataExtractor data(buffer_sp, endian::InlHostByteOrder(), sizeof(void *));
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// If our register context and our register info disagree, which should never
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// happen, don't
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// overwrite past the end of the buffer.
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if (m_reg_data.GetByteSize() < reg_info->byte_offset + reg_info->byte_size)
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return false;
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// Grab a pointer to where we are going to put this register
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uint8_t *dst = const_cast<uint8_t *>(
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m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size));
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if (dst == NULL)
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return false;
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if (data.CopyByteOrderedData(0, // src offset
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reg_info->byte_size, // src length
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dst, // dst
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reg_info->byte_size, // dst length
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m_reg_data.GetByteOrder())) // dst byte order
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{
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SetRegisterIsValid(reg, true);
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return true;
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}
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return false;
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}
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// Helper function for GDBRemoteRegisterContext::ReadRegisterBytes().
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bool GDBRemoteRegisterContext::GetPrimordialRegister(
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const RegisterInfo *reg_info, GDBRemoteCommunicationClient &gdb_comm) {
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const uint32_t lldb_reg = reg_info->kinds[eRegisterKindLLDB];
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const uint32_t remote_reg = reg_info->kinds[eRegisterKindProcessPlugin];
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StringExtractorGDBRemote response;
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if (DataBufferSP buffer_sp =
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gdb_comm.ReadRegister(m_thread.GetProtocolID(), remote_reg))
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return PrivateSetRegisterValue(
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lldb_reg, llvm::ArrayRef<uint8_t>(buffer_sp->GetBytes(),
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buffer_sp->GetByteSize()));
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return false;
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}
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bool GDBRemoteRegisterContext::ReadRegisterBytes(const RegisterInfo *reg_info,
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DataExtractor &data) {
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ExecutionContext exe_ctx(CalculateThread());
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Process *process = exe_ctx.GetProcessPtr();
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Thread *thread = exe_ctx.GetThreadPtr();
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if (process == NULL || thread == NULL)
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return false;
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GDBRemoteCommunicationClient &gdb_comm(
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((ProcessGDBRemote *)process)->GetGDBRemote());
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InvalidateIfNeeded(false);
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const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
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if (!GetRegisterIsValid(reg)) {
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if (m_read_all_at_once) {
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if (DataBufferSP buffer_sp =
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gdb_comm.ReadAllRegisters(m_thread.GetProtocolID())) {
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memcpy(const_cast<uint8_t *>(m_reg_data.GetDataStart()),
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buffer_sp->GetBytes(),
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std::min(buffer_sp->GetByteSize(), m_reg_data.GetByteSize()));
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if (buffer_sp->GetByteSize() >= m_reg_data.GetByteSize()) {
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SetAllRegisterValid(true);
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return true;
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}
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}
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return false;
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}
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if (reg_info->value_regs) {
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// Process this composite register request by delegating to the
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// constituent
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// primordial registers.
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// Index of the primordial register.
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bool success = true;
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for (uint32_t idx = 0; success; ++idx) {
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const uint32_t prim_reg = reg_info->value_regs[idx];
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if (prim_reg == LLDB_INVALID_REGNUM)
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break;
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// We have a valid primordial register as our constituent.
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// Grab the corresponding register info.
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const RegisterInfo *prim_reg_info = GetRegisterInfoAtIndex(prim_reg);
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if (prim_reg_info == NULL)
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success = false;
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else {
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// Read the containing register if it hasn't already been read
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if (!GetRegisterIsValid(prim_reg))
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success = GetPrimordialRegister(prim_reg_info, gdb_comm);
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}
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}
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if (success) {
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// If we reach this point, all primordial register requests have
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// succeeded.
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// Validate this composite register.
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SetRegisterIsValid(reg_info, true);
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}
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} else {
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// Get each register individually
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GetPrimordialRegister(reg_info, gdb_comm);
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}
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// Make sure we got a valid register value after reading it
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if (!GetRegisterIsValid(reg))
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return false;
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}
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if (&data != &m_reg_data) {
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#if defined(LLDB_CONFIGURATION_DEBUG)
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assert(m_reg_data.GetByteSize() >=
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reg_info->byte_offset + reg_info->byte_size);
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#endif
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// If our register context and our register info disagree, which should
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// never happen, don't
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// read past the end of the buffer.
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if (m_reg_data.GetByteSize() < reg_info->byte_offset + reg_info->byte_size)
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return false;
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// If we aren't extracting into our own buffer (which
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// only happens when this function is called from
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// ReadRegisterValue(uint32_t, Scalar&)) then
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// we transfer bytes from our buffer into the data
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// buffer that was passed in
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data.SetByteOrder(m_reg_data.GetByteOrder());
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data.SetData(m_reg_data, reg_info->byte_offset, reg_info->byte_size);
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}
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return true;
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}
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bool GDBRemoteRegisterContext::WriteRegister(const RegisterInfo *reg_info,
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const RegisterValue &value) {
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DataExtractor data;
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if (value.GetData(data))
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return WriteRegisterBytes(reg_info, data, 0);
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return false;
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}
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// Helper function for GDBRemoteRegisterContext::WriteRegisterBytes().
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bool GDBRemoteRegisterContext::SetPrimordialRegister(
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const RegisterInfo *reg_info, GDBRemoteCommunicationClient &gdb_comm) {
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StreamString packet;
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StringExtractorGDBRemote response;
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const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
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// Invalidate just this register
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SetRegisterIsValid(reg, false);
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return gdb_comm.WriteRegister(
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m_thread.GetProtocolID(), reg_info->kinds[eRegisterKindProcessPlugin],
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{m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size),
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reg_info->byte_size});
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}
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bool GDBRemoteRegisterContext::WriteRegisterBytes(const RegisterInfo *reg_info,
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DataExtractor &data,
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uint32_t data_offset) {
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ExecutionContext exe_ctx(CalculateThread());
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Process *process = exe_ctx.GetProcessPtr();
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Thread *thread = exe_ctx.GetThreadPtr();
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if (process == NULL || thread == NULL)
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return false;
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GDBRemoteCommunicationClient &gdb_comm(
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((ProcessGDBRemote *)process)->GetGDBRemote());
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#if defined(LLDB_CONFIGURATION_DEBUG)
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assert(m_reg_data.GetByteSize() >=
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reg_info->byte_offset + reg_info->byte_size);
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#endif
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// If our register context and our register info disagree, which should never
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// happen, don't
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// overwrite past the end of the buffer.
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if (m_reg_data.GetByteSize() < reg_info->byte_offset + reg_info->byte_size)
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return false;
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// Grab a pointer to where we are going to put this register
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uint8_t *dst = const_cast<uint8_t *>(
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m_reg_data.PeekData(reg_info->byte_offset, reg_info->byte_size));
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if (dst == NULL)
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return false;
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if (data.CopyByteOrderedData(data_offset, // src offset
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reg_info->byte_size, // src length
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dst, // dst
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reg_info->byte_size, // dst length
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m_reg_data.GetByteOrder())) // dst byte order
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{
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GDBRemoteClientBase::Lock lock(gdb_comm, false);
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if (lock) {
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if (m_read_all_at_once) {
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// Invalidate all register values
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InvalidateIfNeeded(true);
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// Set all registers in one packet
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if (gdb_comm.WriteAllRegisters(
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m_thread.GetProtocolID(),
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{m_reg_data.GetDataStart(), size_t(m_reg_data.GetByteSize())}))
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{
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SetAllRegisterValid(false);
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return true;
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}
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} else {
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bool success = true;
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if (reg_info->value_regs) {
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// This register is part of another register. In this case we read the
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// actual
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// register data for any "value_regs", and once all that data is read,
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// we will
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// have enough data in our register context bytes for the value of
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// this register
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// Invalidate this composite register first.
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for (uint32_t idx = 0; success; ++idx) {
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const uint32_t reg = reg_info->value_regs[idx];
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if (reg == LLDB_INVALID_REGNUM)
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break;
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// We have a valid primordial register as our constituent.
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// Grab the corresponding register info.
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const RegisterInfo *value_reg_info = GetRegisterInfoAtIndex(reg);
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if (value_reg_info == NULL)
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success = false;
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else
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success = SetPrimordialRegister(value_reg_info, gdb_comm);
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}
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} else {
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// This is an actual register, write it
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success = SetPrimordialRegister(reg_info, gdb_comm);
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}
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// Check if writing this register will invalidate any other register
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// values?
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// If so, invalidate them
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if (reg_info->invalidate_regs) {
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for (uint32_t idx = 0, reg = reg_info->invalidate_regs[0];
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reg != LLDB_INVALID_REGNUM;
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reg = reg_info->invalidate_regs[++idx]) {
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SetRegisterIsValid(reg, false);
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}
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}
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return success;
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}
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} else {
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Log *log(ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet(GDBR_LOG_THREAD |
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GDBR_LOG_PACKETS));
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if (log) {
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if (log->GetVerbose()) {
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StreamString strm;
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gdb_comm.DumpHistory(strm);
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log->Printf("error: failed to get packet sequence mutex, not sending "
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"write register for \"%s\":\n%s",
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reg_info->name, strm.GetData());
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} else
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log->Printf("error: failed to get packet sequence mutex, not sending "
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"write register for \"%s\"",
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reg_info->name);
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}
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}
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}
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return false;
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}
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bool GDBRemoteRegisterContext::ReadAllRegisterValues(
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RegisterCheckpoint ®_checkpoint) {
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ExecutionContext exe_ctx(CalculateThread());
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Process *process = exe_ctx.GetProcessPtr();
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Thread *thread = exe_ctx.GetThreadPtr();
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if (process == NULL || thread == NULL)
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return false;
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GDBRemoteCommunicationClient &gdb_comm(
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((ProcessGDBRemote *)process)->GetGDBRemote());
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uint32_t save_id = 0;
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if (gdb_comm.SaveRegisterState(thread->GetProtocolID(), save_id)) {
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reg_checkpoint.SetID(save_id);
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reg_checkpoint.GetData().reset();
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return true;
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} else {
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reg_checkpoint.SetID(0); // Invalid save ID is zero
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return ReadAllRegisterValues(reg_checkpoint.GetData());
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}
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}
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bool GDBRemoteRegisterContext::WriteAllRegisterValues(
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const RegisterCheckpoint ®_checkpoint) {
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uint32_t save_id = reg_checkpoint.GetID();
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if (save_id != 0) {
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ExecutionContext exe_ctx(CalculateThread());
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Process *process = exe_ctx.GetProcessPtr();
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Thread *thread = exe_ctx.GetThreadPtr();
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if (process == NULL || thread == NULL)
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return false;
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GDBRemoteCommunicationClient &gdb_comm(
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((ProcessGDBRemote *)process)->GetGDBRemote());
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return gdb_comm.RestoreRegisterState(m_thread.GetProtocolID(), save_id);
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} else {
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return WriteAllRegisterValues(reg_checkpoint.GetData());
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}
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}
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bool GDBRemoteRegisterContext::ReadAllRegisterValues(
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lldb::DataBufferSP &data_sp) {
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ExecutionContext exe_ctx(CalculateThread());
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Process *process = exe_ctx.GetProcessPtr();
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Thread *thread = exe_ctx.GetThreadPtr();
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if (process == NULL || thread == NULL)
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return false;
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GDBRemoteCommunicationClient &gdb_comm(
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((ProcessGDBRemote *)process)->GetGDBRemote());
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const bool use_g_packet =
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gdb_comm.AvoidGPackets((ProcessGDBRemote *)process) == false;
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GDBRemoteClientBase::Lock lock(gdb_comm, false);
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if (lock) {
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if (gdb_comm.SyncThreadState(m_thread.GetProtocolID()))
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InvalidateAllRegisters();
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if (use_g_packet &&
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(data_sp = gdb_comm.ReadAllRegisters(m_thread.GetProtocolID())))
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return true;
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// We're going to read each register
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// individually and store them as binary data in a buffer.
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const RegisterInfo *reg_info;
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for (uint32_t i = 0; (reg_info = GetRegisterInfoAtIndex(i)) != NULL; i++) {
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if (reg_info
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->value_regs) // skip registers that are slices of real registers
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continue;
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|
ReadRegisterBytes(reg_info, m_reg_data);
|
|
// ReadRegisterBytes saves the contents of the register in to the
|
|
// m_reg_data buffer
|
|
}
|
|
data_sp.reset(new DataBufferHeap(m_reg_data.GetDataStart(),
|
|
m_reg_info.GetRegisterDataByteSize()));
|
|
return true;
|
|
} else {
|
|
|
|
Log *log(ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet(GDBR_LOG_THREAD |
|
|
GDBR_LOG_PACKETS));
|
|
if (log) {
|
|
if (log->GetVerbose()) {
|
|
StreamString strm;
|
|
gdb_comm.DumpHistory(strm);
|
|
log->Printf("error: failed to get packet sequence mutex, not sending "
|
|
"read all registers:\n%s",
|
|
strm.GetData());
|
|
} else
|
|
log->Printf("error: failed to get packet sequence mutex, not sending "
|
|
"read all registers");
|
|
}
|
|
}
|
|
|
|
data_sp.reset();
|
|
return false;
|
|
}
|
|
|
|
bool GDBRemoteRegisterContext::WriteAllRegisterValues(
|
|
const lldb::DataBufferSP &data_sp) {
|
|
if (!data_sp || data_sp->GetBytes() == NULL || data_sp->GetByteSize() == 0)
|
|
return false;
|
|
|
|
ExecutionContext exe_ctx(CalculateThread());
|
|
|
|
Process *process = exe_ctx.GetProcessPtr();
|
|
Thread *thread = exe_ctx.GetThreadPtr();
|
|
if (process == NULL || thread == NULL)
|
|
return false;
|
|
|
|
GDBRemoteCommunicationClient &gdb_comm(
|
|
((ProcessGDBRemote *)process)->GetGDBRemote());
|
|
|
|
const bool use_g_packet =
|
|
gdb_comm.AvoidGPackets((ProcessGDBRemote *)process) == false;
|
|
|
|
GDBRemoteClientBase::Lock lock(gdb_comm, false);
|
|
if (lock) {
|
|
// The data_sp contains the G response packet.
|
|
if (use_g_packet) {
|
|
if (gdb_comm.WriteAllRegisters(
|
|
m_thread.GetProtocolID(),
|
|
{data_sp->GetBytes(), size_t(data_sp->GetByteSize())}))
|
|
return true;
|
|
|
|
uint32_t num_restored = 0;
|
|
// We need to manually go through all of the registers and
|
|
// restore them manually
|
|
DataExtractor restore_data(data_sp, m_reg_data.GetByteOrder(),
|
|
m_reg_data.GetAddressByteSize());
|
|
|
|
const RegisterInfo *reg_info;
|
|
|
|
// The g packet contents may either include the slice registers (registers
|
|
// defined in
|
|
// terms of other registers, e.g. eax is a subset of rax) or not. The
|
|
// slice registers
|
|
// should NOT be in the g packet, but some implementations may incorrectly
|
|
// include them.
|
|
//
|
|
// If the slice registers are included in the packet, we must step over
|
|
// the slice registers
|
|
// when parsing the packet -- relying on the RegisterInfo byte_offset
|
|
// field would be incorrect.
|
|
// If the slice registers are not included, then using the byte_offset
|
|
// values into the
|
|
// data buffer is the best way to find individual register values.
|
|
|
|
uint64_t size_including_slice_registers = 0;
|
|
uint64_t size_not_including_slice_registers = 0;
|
|
uint64_t size_by_highest_offset = 0;
|
|
|
|
for (uint32_t reg_idx = 0;
|
|
(reg_info = GetRegisterInfoAtIndex(reg_idx)) != NULL; ++reg_idx) {
|
|
size_including_slice_registers += reg_info->byte_size;
|
|
if (reg_info->value_regs == NULL)
|
|
size_not_including_slice_registers += reg_info->byte_size;
|
|
if (reg_info->byte_offset >= size_by_highest_offset)
|
|
size_by_highest_offset = reg_info->byte_offset + reg_info->byte_size;
|
|
}
|
|
|
|
bool use_byte_offset_into_buffer;
|
|
if (size_by_highest_offset == restore_data.GetByteSize()) {
|
|
// The size of the packet agrees with the highest offset: + size in the
|
|
// register file
|
|
use_byte_offset_into_buffer = true;
|
|
} else if (size_not_including_slice_registers ==
|
|
restore_data.GetByteSize()) {
|
|
// The size of the packet is the same as concatenating all of the
|
|
// registers sequentially,
|
|
// skipping the slice registers
|
|
use_byte_offset_into_buffer = true;
|
|
} else if (size_including_slice_registers == restore_data.GetByteSize()) {
|
|
// The slice registers are present in the packet (when they shouldn't
|
|
// be).
|
|
// Don't try to use the RegisterInfo byte_offset into the restore_data,
|
|
// it will
|
|
// point to the wrong place.
|
|
use_byte_offset_into_buffer = false;
|
|
} else {
|
|
// None of our expected sizes match the actual g packet data we're
|
|
// looking at.
|
|
// The most conservative approach here is to use the running total byte
|
|
// offset.
|
|
use_byte_offset_into_buffer = false;
|
|
}
|
|
|
|
// In case our register definitions don't include the correct offsets,
|
|
// keep track of the size of each reg & compute offset based on that.
|
|
uint32_t running_byte_offset = 0;
|
|
for (uint32_t reg_idx = 0;
|
|
(reg_info = GetRegisterInfoAtIndex(reg_idx)) != NULL;
|
|
++reg_idx, running_byte_offset += reg_info->byte_size) {
|
|
// Skip composite aka slice registers (e.g. eax is a slice of rax).
|
|
if (reg_info->value_regs)
|
|
continue;
|
|
|
|
const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
|
|
|
|
uint32_t register_offset;
|
|
if (use_byte_offset_into_buffer) {
|
|
register_offset = reg_info->byte_offset;
|
|
} else {
|
|
register_offset = running_byte_offset;
|
|
}
|
|
|
|
const uint32_t reg_byte_size = reg_info->byte_size;
|
|
|
|
const uint8_t *restore_src =
|
|
restore_data.PeekData(register_offset, reg_byte_size);
|
|
if (restore_src) {
|
|
SetRegisterIsValid(reg, false);
|
|
if (gdb_comm.WriteRegister(
|
|
m_thread.GetProtocolID(),
|
|
reg_info->kinds[eRegisterKindProcessPlugin],
|
|
{restore_src, reg_byte_size}))
|
|
++num_restored;
|
|
}
|
|
}
|
|
return num_restored > 0;
|
|
} else {
|
|
// For the use_g_packet == false case, we're going to write each register
|
|
// individually. The data buffer is binary data in this case, instead of
|
|
// ascii characters.
|
|
|
|
bool arm64_debugserver = false;
|
|
if (m_thread.GetProcess().get()) {
|
|
const ArchSpec &arch =
|
|
m_thread.GetProcess()->GetTarget().GetArchitecture();
|
|
if (arch.IsValid() && arch.GetMachine() == llvm::Triple::aarch64 &&
|
|
arch.GetTriple().getVendor() == llvm::Triple::Apple &&
|
|
arch.GetTriple().getOS() == llvm::Triple::IOS) {
|
|
arm64_debugserver = true;
|
|
}
|
|
}
|
|
uint32_t num_restored = 0;
|
|
const RegisterInfo *reg_info;
|
|
for (uint32_t i = 0; (reg_info = GetRegisterInfoAtIndex(i)) != NULL;
|
|
i++) {
|
|
if (reg_info->value_regs) // skip registers that are slices of real
|
|
// registers
|
|
continue;
|
|
// Skip the fpsr and fpcr floating point status/control register writing
|
|
// to
|
|
// work around a bug in an older version of debugserver that would lead
|
|
// to
|
|
// register context corruption when writing fpsr/fpcr.
|
|
if (arm64_debugserver && (strcmp(reg_info->name, "fpsr") == 0 ||
|
|
strcmp(reg_info->name, "fpcr") == 0)) {
|
|
continue;
|
|
}
|
|
|
|
SetRegisterIsValid(reg_info, false);
|
|
if (gdb_comm.WriteRegister(m_thread.GetProtocolID(),
|
|
reg_info->kinds[eRegisterKindProcessPlugin],
|
|
{data_sp->GetBytes() + reg_info->byte_offset,
|
|
reg_info->byte_size}))
|
|
++num_restored;
|
|
}
|
|
return num_restored > 0;
|
|
}
|
|
} else {
|
|
Log *log(ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet(GDBR_LOG_THREAD |
|
|
GDBR_LOG_PACKETS));
|
|
if (log) {
|
|
if (log->GetVerbose()) {
|
|
StreamString strm;
|
|
gdb_comm.DumpHistory(strm);
|
|
log->Printf("error: failed to get packet sequence mutex, not sending "
|
|
"write all registers:\n%s",
|
|
strm.GetData());
|
|
} else
|
|
log->Printf("error: failed to get packet sequence mutex, not sending "
|
|
"write all registers");
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
uint32_t GDBRemoteRegisterContext::ConvertRegisterKindToRegisterNumber(
|
|
lldb::RegisterKind kind, uint32_t num) {
|
|
return m_reg_info.ConvertRegisterKindToRegisterNumber(kind, num);
|
|
}
|
|
|
|
void GDBRemoteDynamicRegisterInfo::HardcodeARMRegisters(bool from_scratch) {
|
|
// For Advanced SIMD and VFP register mapping.
|
|
static uint32_t g_d0_regs[] = {26, 27, LLDB_INVALID_REGNUM}; // (s0, s1)
|
|
static uint32_t g_d1_regs[] = {28, 29, LLDB_INVALID_REGNUM}; // (s2, s3)
|
|
static uint32_t g_d2_regs[] = {30, 31, LLDB_INVALID_REGNUM}; // (s4, s5)
|
|
static uint32_t g_d3_regs[] = {32, 33, LLDB_INVALID_REGNUM}; // (s6, s7)
|
|
static uint32_t g_d4_regs[] = {34, 35, LLDB_INVALID_REGNUM}; // (s8, s9)
|
|
static uint32_t g_d5_regs[] = {36, 37, LLDB_INVALID_REGNUM}; // (s10, s11)
|
|
static uint32_t g_d6_regs[] = {38, 39, LLDB_INVALID_REGNUM}; // (s12, s13)
|
|
static uint32_t g_d7_regs[] = {40, 41, LLDB_INVALID_REGNUM}; // (s14, s15)
|
|
static uint32_t g_d8_regs[] = {42, 43, LLDB_INVALID_REGNUM}; // (s16, s17)
|
|
static uint32_t g_d9_regs[] = {44, 45, LLDB_INVALID_REGNUM}; // (s18, s19)
|
|
static uint32_t g_d10_regs[] = {46, 47, LLDB_INVALID_REGNUM}; // (s20, s21)
|
|
static uint32_t g_d11_regs[] = {48, 49, LLDB_INVALID_REGNUM}; // (s22, s23)
|
|
static uint32_t g_d12_regs[] = {50, 51, LLDB_INVALID_REGNUM}; // (s24, s25)
|
|
static uint32_t g_d13_regs[] = {52, 53, LLDB_INVALID_REGNUM}; // (s26, s27)
|
|
static uint32_t g_d14_regs[] = {54, 55, LLDB_INVALID_REGNUM}; // (s28, s29)
|
|
static uint32_t g_d15_regs[] = {56, 57, LLDB_INVALID_REGNUM}; // (s30, s31)
|
|
static uint32_t g_q0_regs[] = {
|
|
26, 27, 28, 29, LLDB_INVALID_REGNUM}; // (d0, d1) -> (s0, s1, s2, s3)
|
|
static uint32_t g_q1_regs[] = {
|
|
30, 31, 32, 33, LLDB_INVALID_REGNUM}; // (d2, d3) -> (s4, s5, s6, s7)
|
|
static uint32_t g_q2_regs[] = {
|
|
34, 35, 36, 37, LLDB_INVALID_REGNUM}; // (d4, d5) -> (s8, s9, s10, s11)
|
|
static uint32_t g_q3_regs[] = {
|
|
38, 39, 40, 41, LLDB_INVALID_REGNUM}; // (d6, d7) -> (s12, s13, s14, s15)
|
|
static uint32_t g_q4_regs[] = {
|
|
42, 43, 44, 45, LLDB_INVALID_REGNUM}; // (d8, d9) -> (s16, s17, s18, s19)
|
|
static uint32_t g_q5_regs[] = {
|
|
46, 47, 48, 49,
|
|
LLDB_INVALID_REGNUM}; // (d10, d11) -> (s20, s21, s22, s23)
|
|
static uint32_t g_q6_regs[] = {
|
|
50, 51, 52, 53,
|
|
LLDB_INVALID_REGNUM}; // (d12, d13) -> (s24, s25, s26, s27)
|
|
static uint32_t g_q7_regs[] = {
|
|
54, 55, 56, 57,
|
|
LLDB_INVALID_REGNUM}; // (d14, d15) -> (s28, s29, s30, s31)
|
|
static uint32_t g_q8_regs[] = {59, 60, LLDB_INVALID_REGNUM}; // (d16, d17)
|
|
static uint32_t g_q9_regs[] = {61, 62, LLDB_INVALID_REGNUM}; // (d18, d19)
|
|
static uint32_t g_q10_regs[] = {63, 64, LLDB_INVALID_REGNUM}; // (d20, d21)
|
|
static uint32_t g_q11_regs[] = {65, 66, LLDB_INVALID_REGNUM}; // (d22, d23)
|
|
static uint32_t g_q12_regs[] = {67, 68, LLDB_INVALID_REGNUM}; // (d24, d25)
|
|
static uint32_t g_q13_regs[] = {69, 70, LLDB_INVALID_REGNUM}; // (d26, d27)
|
|
static uint32_t g_q14_regs[] = {71, 72, LLDB_INVALID_REGNUM}; // (d28, d29)
|
|
static uint32_t g_q15_regs[] = {73, 74, LLDB_INVALID_REGNUM}; // (d30, d31)
|
|
|
|
// This is our array of composite registers, with each element coming from the
|
|
// above register mappings.
|
|
static uint32_t *g_composites[] = {
|
|
g_d0_regs, g_d1_regs, g_d2_regs, g_d3_regs, g_d4_regs, g_d5_regs,
|
|
g_d6_regs, g_d7_regs, g_d8_regs, g_d9_regs, g_d10_regs, g_d11_regs,
|
|
g_d12_regs, g_d13_regs, g_d14_regs, g_d15_regs, g_q0_regs, g_q1_regs,
|
|
g_q2_regs, g_q3_regs, g_q4_regs, g_q5_regs, g_q6_regs, g_q7_regs,
|
|
g_q8_regs, g_q9_regs, g_q10_regs, g_q11_regs, g_q12_regs, g_q13_regs,
|
|
g_q14_regs, g_q15_regs};
|
|
|
|
// clang-format off
|
|
static RegisterInfo g_register_infos[] = {
|
|
// NAME ALT SZ OFF ENCODING FORMAT EH_FRAME DWARF GENERIC PROCESS PLUGIN LLDB VALUE REGS INVALIDATE REGS SIZE EXPR SIZE LEN
|
|
// ====== ====== === === ============= ========== =================== =================== ====================== ============= ==== ========== =============== ========= ========
|
|
{ "r0", "arg1", 4, 0, eEncodingUint, eFormatHex, { ehframe_r0, dwarf_r0, LLDB_REGNUM_GENERIC_ARG1,0, 0 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "r1", "arg2", 4, 0, eEncodingUint, eFormatHex, { ehframe_r1, dwarf_r1, LLDB_REGNUM_GENERIC_ARG2,1, 1 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "r2", "arg3", 4, 0, eEncodingUint, eFormatHex, { ehframe_r2, dwarf_r2, LLDB_REGNUM_GENERIC_ARG3,2, 2 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "r3", "arg4", 4, 0, eEncodingUint, eFormatHex, { ehframe_r3, dwarf_r3, LLDB_REGNUM_GENERIC_ARG4,3, 3 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "r4", nullptr, 4, 0, eEncodingUint, eFormatHex, { ehframe_r4, dwarf_r4, LLDB_INVALID_REGNUM, 4, 4 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "r5", nullptr, 4, 0, eEncodingUint, eFormatHex, { ehframe_r5, dwarf_r5, LLDB_INVALID_REGNUM, 5, 5 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "r6", nullptr, 4, 0, eEncodingUint, eFormatHex, { ehframe_r6, dwarf_r6, LLDB_INVALID_REGNUM, 6, 6 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "r7", "fp", 4, 0, eEncodingUint, eFormatHex, { ehframe_r7, dwarf_r7, LLDB_REGNUM_GENERIC_FP, 7, 7 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "r8", nullptr, 4, 0, eEncodingUint, eFormatHex, { ehframe_r8, dwarf_r8, LLDB_INVALID_REGNUM, 8, 8 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "r9", nullptr, 4, 0, eEncodingUint, eFormatHex, { ehframe_r9, dwarf_r9, LLDB_INVALID_REGNUM, 9, 9 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "r10", nullptr, 4, 0, eEncodingUint, eFormatHex, { ehframe_r10, dwarf_r10, LLDB_INVALID_REGNUM, 10, 10 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "r11", nullptr, 4, 0, eEncodingUint, eFormatHex, { ehframe_r11, dwarf_r11, LLDB_INVALID_REGNUM, 11, 11 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "r12", nullptr, 4, 0, eEncodingUint, eFormatHex, { ehframe_r12, dwarf_r12, LLDB_INVALID_REGNUM, 12, 12 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "sp", "r13", 4, 0, eEncodingUint, eFormatHex, { ehframe_sp, dwarf_sp, LLDB_REGNUM_GENERIC_SP, 13, 13 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "lr", "r14", 4, 0, eEncodingUint, eFormatHex, { ehframe_lr, dwarf_lr, LLDB_REGNUM_GENERIC_RA, 14, 14 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "pc", "r15", 4, 0, eEncodingUint, eFormatHex, { ehframe_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, 15, 15 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "f0", nullptr, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 16, 16 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "f1", nullptr, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 17, 17 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "f2", nullptr, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 18, 18 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "f3", nullptr, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 19, 19 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "f4", nullptr, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 20, 20 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "f5", nullptr, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 21, 21 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "f6", nullptr, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 22, 22 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "f7", nullptr, 12, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 23, 23 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "fps", nullptr, 4, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 24, 24 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "cpsr","flags", 4, 0, eEncodingUint, eFormatHex, { ehframe_cpsr, dwarf_cpsr, LLDB_INVALID_REGNUM, 25, 25 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s0", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s0, LLDB_INVALID_REGNUM, 26, 26 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s1", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s1, LLDB_INVALID_REGNUM, 27, 27 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s2", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s2, LLDB_INVALID_REGNUM, 28, 28 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s3", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s3, LLDB_INVALID_REGNUM, 29, 29 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s4", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s4, LLDB_INVALID_REGNUM, 30, 30 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s5", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s5, LLDB_INVALID_REGNUM, 31, 31 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s6", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s6, LLDB_INVALID_REGNUM, 32, 32 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s7", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s7, LLDB_INVALID_REGNUM, 33, 33 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s8", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s8, LLDB_INVALID_REGNUM, 34, 34 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s9", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s9, LLDB_INVALID_REGNUM, 35, 35 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s10", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s10, LLDB_INVALID_REGNUM, 36, 36 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s11", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s11, LLDB_INVALID_REGNUM, 37, 37 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s12", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s12, LLDB_INVALID_REGNUM, 38, 38 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s13", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s13, LLDB_INVALID_REGNUM, 39, 39 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s14", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s14, LLDB_INVALID_REGNUM, 40, 40 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s15", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s15, LLDB_INVALID_REGNUM, 41, 41 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s16", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s16, LLDB_INVALID_REGNUM, 42, 42 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s17", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s17, LLDB_INVALID_REGNUM, 43, 43 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s18", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s18, LLDB_INVALID_REGNUM, 44, 44 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s19", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s19, LLDB_INVALID_REGNUM, 45, 45 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s20", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s20, LLDB_INVALID_REGNUM, 46, 46 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s21", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s21, LLDB_INVALID_REGNUM, 47, 47 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s22", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s22, LLDB_INVALID_REGNUM, 48, 48 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s23", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s23, LLDB_INVALID_REGNUM, 49, 49 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s24", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s24, LLDB_INVALID_REGNUM, 50, 50 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s25", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s25, LLDB_INVALID_REGNUM, 51, 51 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s26", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s26, LLDB_INVALID_REGNUM, 52, 52 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s27", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s27, LLDB_INVALID_REGNUM, 53, 53 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s28", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s28, LLDB_INVALID_REGNUM, 54, 54 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s29", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s29, LLDB_INVALID_REGNUM, 55, 55 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s30", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s30, LLDB_INVALID_REGNUM, 56, 56 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "s31", nullptr, 4, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_s31, LLDB_INVALID_REGNUM, 57, 57 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "fpscr",nullptr, 4, 0, eEncodingUint, eFormatHex, { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, 58, 58 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d16", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d16, LLDB_INVALID_REGNUM, 59, 59 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d17", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d17, LLDB_INVALID_REGNUM, 60, 60 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d18", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d18, LLDB_INVALID_REGNUM, 61, 61 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d19", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d19, LLDB_INVALID_REGNUM, 62, 62 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d20", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d20, LLDB_INVALID_REGNUM, 63, 63 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d21", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d21, LLDB_INVALID_REGNUM, 64, 64 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d22", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d22, LLDB_INVALID_REGNUM, 65, 65 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d23", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d23, LLDB_INVALID_REGNUM, 66, 66 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d24", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d24, LLDB_INVALID_REGNUM, 67, 67 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d25", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d25, LLDB_INVALID_REGNUM, 68, 68 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d26", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d26, LLDB_INVALID_REGNUM, 69, 69 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d27", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d27, LLDB_INVALID_REGNUM, 70, 70 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d28", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d28, LLDB_INVALID_REGNUM, 71, 71 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d29", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d29, LLDB_INVALID_REGNUM, 72, 72 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d30", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d30, LLDB_INVALID_REGNUM, 73, 73 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d31", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d31, LLDB_INVALID_REGNUM, 74, 74 }, nullptr, nullptr, nullptr, 0 },
|
|
{ "d0", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d0, LLDB_INVALID_REGNUM, 75, 75 }, g_d0_regs, nullptr, nullptr, 0 },
|
|
{ "d1", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d1, LLDB_INVALID_REGNUM, 76, 76 }, g_d1_regs, nullptr, nullptr, 0 },
|
|
{ "d2", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d2, LLDB_INVALID_REGNUM, 77, 77 }, g_d2_regs, nullptr, nullptr, 0 },
|
|
{ "d3", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d3, LLDB_INVALID_REGNUM, 78, 78 }, g_d3_regs, nullptr, nullptr, 0 },
|
|
{ "d4", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d4, LLDB_INVALID_REGNUM, 79, 79 }, g_d4_regs, nullptr, nullptr, 0 },
|
|
{ "d5", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d5, LLDB_INVALID_REGNUM, 80, 80 }, g_d5_regs, nullptr, nullptr, 0 },
|
|
{ "d6", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d6, LLDB_INVALID_REGNUM, 81, 81 }, g_d6_regs, nullptr, nullptr, 0 },
|
|
{ "d7", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d7, LLDB_INVALID_REGNUM, 82, 82 }, g_d7_regs, nullptr, nullptr, 0 },
|
|
{ "d8", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d8, LLDB_INVALID_REGNUM, 83, 83 }, g_d8_regs, nullptr, nullptr, 0 },
|
|
{ "d9", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d9, LLDB_INVALID_REGNUM, 84, 84 }, g_d9_regs, nullptr, nullptr, 0 },
|
|
{ "d10", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d10, LLDB_INVALID_REGNUM, 85, 85 }, g_d10_regs, nullptr, nullptr, 0 },
|
|
{ "d11", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d11, LLDB_INVALID_REGNUM, 86, 86 }, g_d11_regs, nullptr, nullptr, 0 },
|
|
{ "d12", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d12, LLDB_INVALID_REGNUM, 87, 87 }, g_d12_regs, nullptr, nullptr, 0 },
|
|
{ "d13", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d13, LLDB_INVALID_REGNUM, 88, 88 }, g_d13_regs, nullptr, nullptr, 0 },
|
|
{ "d14", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d14, LLDB_INVALID_REGNUM, 89, 89 }, g_d14_regs, nullptr, nullptr, 0 },
|
|
{ "d15", nullptr, 8, 0, eEncodingIEEE754, eFormatFloat, { LLDB_INVALID_REGNUM, dwarf_d15, LLDB_INVALID_REGNUM, 90, 90 }, g_d15_regs, nullptr, nullptr, 0 },
|
|
{ "q0", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q0, LLDB_INVALID_REGNUM, 91, 91 }, g_q0_regs, nullptr, nullptr, 0 },
|
|
{ "q1", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q1, LLDB_INVALID_REGNUM, 92, 92 }, g_q1_regs, nullptr, nullptr, 0 },
|
|
{ "q2", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q2, LLDB_INVALID_REGNUM, 93, 93 }, g_q2_regs, nullptr, nullptr, 0 },
|
|
{ "q3", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q3, LLDB_INVALID_REGNUM, 94, 94 }, g_q3_regs, nullptr, nullptr, 0 },
|
|
{ "q4", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q4, LLDB_INVALID_REGNUM, 95, 95 }, g_q4_regs, nullptr, nullptr, 0 },
|
|
{ "q5", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q5, LLDB_INVALID_REGNUM, 96, 96 }, g_q5_regs, nullptr, nullptr, 0 },
|
|
{ "q6", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q6, LLDB_INVALID_REGNUM, 97, 97 }, g_q6_regs, nullptr, nullptr, 0 },
|
|
{ "q7", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q7, LLDB_INVALID_REGNUM, 98, 98 }, g_q7_regs, nullptr, nullptr, 0 },
|
|
{ "q8", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q8, LLDB_INVALID_REGNUM, 99, 99 }, g_q8_regs, nullptr, nullptr, 0 },
|
|
{ "q9", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q9, LLDB_INVALID_REGNUM, 100, 100 }, g_q9_regs, nullptr, nullptr, 0 },
|
|
{ "q10", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q10, LLDB_INVALID_REGNUM, 101, 101 }, g_q10_regs, nullptr, nullptr, 0 },
|
|
{ "q11", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q11, LLDB_INVALID_REGNUM, 102, 102 }, g_q11_regs, nullptr, nullptr, 0 },
|
|
{ "q12", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q12, LLDB_INVALID_REGNUM, 103, 103 }, g_q12_regs, nullptr, nullptr, 0 },
|
|
{ "q13", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q13, LLDB_INVALID_REGNUM, 104, 104 }, g_q13_regs, nullptr, nullptr, 0 },
|
|
{ "q14", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q14, LLDB_INVALID_REGNUM, 105, 105 }, g_q14_regs, nullptr, nullptr, 0 },
|
|
{ "q15", nullptr, 16, 0, eEncodingVector, eFormatVectorOfUInt8, { LLDB_INVALID_REGNUM, dwarf_q15, LLDB_INVALID_REGNUM, 106, 106 }, g_q15_regs, nullptr, nullptr, 0 }
|
|
};
|
|
// clang-format on
|
|
|
|
static const uint32_t num_registers = llvm::array_lengthof(g_register_infos);
|
|
static ConstString gpr_reg_set("General Purpose Registers");
|
|
static ConstString sfp_reg_set("Software Floating Point Registers");
|
|
static ConstString vfp_reg_set("Floating Point Registers");
|
|
size_t i;
|
|
if (from_scratch) {
|
|
// Calculate the offsets of the registers
|
|
// Note that the layout of the "composite" registers (d0-d15 and q0-q15)
|
|
// which comes after the
|
|
// "primordial" registers is important. This enables us to calculate the
|
|
// offset of the composite
|
|
// register by using the offset of its first primordial register. For
|
|
// example, to calculate the
|
|
// offset of q0, use s0's offset.
|
|
if (g_register_infos[2].byte_offset == 0) {
|
|
uint32_t byte_offset = 0;
|
|
for (i = 0; i < num_registers; ++i) {
|
|
// For primordial registers, increment the byte_offset by the byte_size
|
|
// to arrive at the
|
|
// byte_offset for the next register. Otherwise, we have a composite
|
|
// register whose
|
|
// offset can be calculated by consulting the offset of its first
|
|
// primordial register.
|
|
if (!g_register_infos[i].value_regs) {
|
|
g_register_infos[i].byte_offset = byte_offset;
|
|
byte_offset += g_register_infos[i].byte_size;
|
|
} else {
|
|
const uint32_t first_primordial_reg =
|
|
g_register_infos[i].value_regs[0];
|
|
g_register_infos[i].byte_offset =
|
|
g_register_infos[first_primordial_reg].byte_offset;
|
|
}
|
|
}
|
|
}
|
|
for (i = 0; i < num_registers; ++i) {
|
|
ConstString name;
|
|
ConstString alt_name;
|
|
if (g_register_infos[i].name && g_register_infos[i].name[0])
|
|
name.SetCString(g_register_infos[i].name);
|
|
if (g_register_infos[i].alt_name && g_register_infos[i].alt_name[0])
|
|
alt_name.SetCString(g_register_infos[i].alt_name);
|
|
|
|
if (i <= 15 || i == 25)
|
|
AddRegister(g_register_infos[i], name, alt_name, gpr_reg_set);
|
|
else if (i <= 24)
|
|
AddRegister(g_register_infos[i], name, alt_name, sfp_reg_set);
|
|
else
|
|
AddRegister(g_register_infos[i], name, alt_name, vfp_reg_set);
|
|
}
|
|
} else {
|
|
// Add composite registers to our primordial registers, then.
|
|
const size_t num_composites = llvm::array_lengthof(g_composites);
|
|
const size_t num_dynamic_regs = GetNumRegisters();
|
|
const size_t num_common_regs = num_registers - num_composites;
|
|
RegisterInfo *g_comp_register_infos = g_register_infos + num_common_regs;
|
|
|
|
// First we need to validate that all registers that we already have match
|
|
// the non composite regs.
|
|
// If so, then we can add the registers, else we need to bail
|
|
bool match = true;
|
|
if (num_dynamic_regs == num_common_regs) {
|
|
for (i = 0; match && i < num_dynamic_regs; ++i) {
|
|
// Make sure all register names match
|
|
if (m_regs[i].name && g_register_infos[i].name) {
|
|
if (strcmp(m_regs[i].name, g_register_infos[i].name)) {
|
|
match = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Make sure all register byte sizes match
|
|
if (m_regs[i].byte_size != g_register_infos[i].byte_size) {
|
|
match = false;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
// Wrong number of registers.
|
|
match = false;
|
|
}
|
|
// If "match" is true, then we can add extra registers.
|
|
if (match) {
|
|
for (i = 0; i < num_composites; ++i) {
|
|
ConstString name;
|
|
ConstString alt_name;
|
|
const uint32_t first_primordial_reg =
|
|
g_comp_register_infos[i].value_regs[0];
|
|
const char *reg_name = g_register_infos[first_primordial_reg].name;
|
|
if (reg_name && reg_name[0]) {
|
|
for (uint32_t j = 0; j < num_dynamic_regs; ++j) {
|
|
const RegisterInfo *reg_info = GetRegisterInfoAtIndex(j);
|
|
// Find a matching primordial register info entry.
|
|
if (reg_info && reg_info->name &&
|
|
::strcasecmp(reg_info->name, reg_name) == 0) {
|
|
// The name matches the existing primordial entry.
|
|
// Find and assign the offset, and then add this composite
|
|
// register entry.
|
|
g_comp_register_infos[i].byte_offset = reg_info->byte_offset;
|
|
name.SetCString(g_comp_register_infos[i].name);
|
|
AddRegister(g_comp_register_infos[i], name, alt_name,
|
|
vfp_reg_set);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|