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MICmdCmdData.cpp
1696 lines (1557 loc) · 59.6 KB
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MICmdCmdData.cpp
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//===-- MICmdCmdData.cpp ----------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// Overview: CMICmdCmdDataEvaluateExpression implementation.
// CMICmdCmdDataDisassemble implementation.
// CMICmdCmdDataReadMemoryBytes implementation.
// CMICmdCmdDataReadMemory implementation.
// CMICmdCmdDataListRegisterNames implementation.
// CMICmdCmdDataListRegisterValues implementation.
// CMICmdCmdDataListRegisterChanged implementation.
// CMICmdCmdDataWriteMemoryBytes implementation.
// CMICmdCmdDataWriteMemory implementation.
// CMICmdCmdDataInfoLine implementation.
// Third Party Headers:
#include "lldb/API/SBInstruction.h"
#include "lldb/API/SBInstructionList.h"
#include "lldb/API/SBStream.h"
#include "lldb/API/SBThread.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Twine.h"
#include <inttypes.h>
#include <string>
// In-house headers:
#include "MICmdArgValConsume.h"
#include "MICmdArgValListOfN.h"
#include "MICmdArgValNumber.h"
#include "MICmdArgValOptionLong.h"
#include "MICmdArgValOptionShort.h"
#include "MICmdArgValString.h"
#include "MICmdArgValText.h"
#include "MICmdArgValThreadGrp.h"
#include "MICmdCmdData.h"
#include "MICmnLLDBDebugSessionInfo.h"
#include "MICmnLLDBDebugSessionInfoVarObj.h"
#include "MICmnLLDBDebugger.h"
#include "MICmnLLDBProxySBValue.h"
#include "MICmnLLDBUtilSBValue.h"
#include "MICmnMIResultRecord.h"
#include "MICmnMIValueConst.h"
#include "Platform.h"
namespace {
CMIUtilString IntToHexAddrStr(uint32_t number) {
return CMIUtilString("0x" + llvm::Twine::utohexstr(number).str());
}
} // namespace
//++
// Details: CMICmdCmdDataEvaluateExpression constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdDataEvaluateExpression::CMICmdCmdDataEvaluateExpression()
: m_bExpressionValid(true), m_bEvaluatedExpression(true), m_strValue("??"),
m_bFoundInvalidChar(false), m_cExpressionInvalidChar(0x00),
m_constStrArgExpr("expr") {
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "data-evaluate-expression";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdDataEvaluateExpression::CreateSelf;
}
//++
// Details: CMICmdCmdDataEvaluateExpression destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdDataEvaluateExpression::~CMICmdCmdDataEvaluateExpression() {}
//++
// Details: The invoker requires this function. The parses the command line
// options
// arguments to extract values for each of those arguments.
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdDataEvaluateExpression::ParseArgs() {
m_setCmdArgs.Add(new CMICmdArgValText(m_constStrArgExpr, true, true));
return ParseValidateCmdOptions();
}
//++
// Details: The invoker requires this function. The command does work in this
// function.
// The command is likely to communicate with the LLDB SBDebugger in
// here.
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdDataEvaluateExpression::Execute() {
CMICMDBASE_GETOPTION(pArgExpr, Text, m_constStrArgExpr);
const CMIUtilString &rExpression(pArgExpr->GetValue());
CMICmnLLDBDebugSessionInfo &rSessionInfo(
CMICmnLLDBDebugSessionInfo::Instance());
lldb::SBProcess sbProcess = rSessionInfo.GetProcess();
lldb::SBThread thread = sbProcess.GetSelectedThread();
m_bExpressionValid = (thread.GetNumFrames() > 0);
if (!m_bExpressionValid)
return MIstatus::success;
lldb::SBFrame frame = thread.GetSelectedFrame();
lldb::SBValue value = frame.EvaluateExpression(rExpression.c_str());
m_Error = value.GetError();
if (!value.IsValid() || m_Error.Fail())
value = frame.FindVariable(rExpression.c_str());
const CMICmnLLDBUtilSBValue utilValue(value, true);
if (!utilValue.IsValid() || utilValue.IsValueUnknown()) {
m_bEvaluatedExpression = false;
return MIstatus::success;
}
if (!utilValue.HasName()) {
if (HaveInvalidCharacterInExpression(rExpression,
m_cExpressionInvalidChar)) {
m_bFoundInvalidChar = true;
return MIstatus::success;
}
m_strValue = rExpression;
return MIstatus::success;
}
if (rExpression.IsQuoted()) {
m_strValue = rExpression.Trim('\"');
return MIstatus::success;
}
m_strValue = utilValue.GetValue(true).Escape().AddSlashes();
return MIstatus::success;
}
//++
// Details: The invoker requires this function. The command prepares a MI Record
// Result
// for the work carried out in the Execute().
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdDataEvaluateExpression::Acknowledge() {
if (m_bExpressionValid) {
if (m_bEvaluatedExpression) {
if (m_bFoundInvalidChar) {
const CMICmnMIValueConst miValueConst(CMIUtilString::Format(
"Invalid character '%c' in expression", m_cExpressionInvalidChar));
const CMICmnMIValueResult miValueResult("msg", miValueConst);
const CMICmnMIResultRecord miRecordResult(
m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error,
miValueResult);
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
const CMICmnMIValueConst miValueConst(m_strValue);
const CMICmnMIValueResult miValueResult("value", miValueConst);
const CMICmnMIResultRecord miRecordResult(
m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done,
miValueResult);
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
CMIUtilString mi_error_msg = "Could not evaluate expression";
if (const char *err_msg = m_Error.GetCString())
mi_error_msg = err_msg;
const CMICmnMIValueConst miValueConst(mi_error_msg.Escape(true));
const CMICmnMIValueResult miValueResult("msg", miValueConst);
const CMICmnMIResultRecord miRecordResult(
m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error,
miValueResult);
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
const CMICmnMIValueConst miValueConst("Invalid expression");
const CMICmnMIValueResult miValueResult("msg", miValueConst);
const CMICmnMIResultRecord miRecordResult(
m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error,
miValueResult);
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
//++
// Details: Required by the CMICmdFactory when registering *this command. The
// factory
// calls this function to create an instance of *this command.
// Type: Static method.
// Args: None.
// Return: CMICmdBase * - Pointer to a new command.
// Throws: None.
//--
CMICmdBase *CMICmdCmdDataEvaluateExpression::CreateSelf() {
return new CMICmdCmdDataEvaluateExpression();
}
//++
// Details: Examine the expression string to see if it contains invalid
// characters.
// Type: Method.
// Args: vrExpr - (R) Expression string given to *this command.
// vrwInvalidChar - (W) True = Invalid character found, false =
// nothing found.
// Return: bool - True = Invalid character found, false = nothing found.
// Throws: None.
//--
bool CMICmdCmdDataEvaluateExpression::HaveInvalidCharacterInExpression(
const CMIUtilString &vrExpr, char &vrwInvalidChar) {
static const std::string strInvalidCharacters(";#\\");
const size_t nInvalidCharacterOffset =
vrExpr.find_first_of(strInvalidCharacters);
const bool bFoundInvalidCharInExpression =
(nInvalidCharacterOffset != CMIUtilString::npos);
vrwInvalidChar =
bFoundInvalidCharInExpression ? vrExpr[nInvalidCharacterOffset] : 0x00;
return bFoundInvalidCharInExpression;
}
//++
// Details: CMICmdCmdDataDisassemble constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdDataDisassemble::CMICmdCmdDataDisassemble()
: m_constStrArgAddrStart("s"), m_constStrArgAddrEnd("e"),
m_constStrArgMode("mode"), m_miValueList(true) {
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "data-disassemble";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdDataDisassemble::CreateSelf;
}
//++
// Details: CMICmdCmdDataDisassemble destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdDataDisassemble::~CMICmdCmdDataDisassemble() {}
//++
// Details: The invoker requires this function. The parses the command line
// options
// arguments to extract values for each of those arguments.
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdDataDisassemble::ParseArgs() {
m_setCmdArgs.Add(new CMICmdArgValOptionShort(
m_constStrArgAddrStart, true, true,
CMICmdArgValListBase::eArgValType_StringQuotedNumber, 1));
m_setCmdArgs.Add(new CMICmdArgValOptionShort(
m_constStrArgAddrEnd, true, true,
CMICmdArgValListBase::eArgValType_StringQuotedNumber, 1));
m_setCmdArgs.Add(new CMICmdArgValNumber(m_constStrArgMode, true, true));
return ParseValidateCmdOptions();
}
//++
// Details: The invoker requires this function. The command does work in this
// function.
// The command is likely to communicate with the LLDB SBDebugger in
// here.
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdDataDisassemble::Execute() {
CMICMDBASE_GETOPTION(pArgThread, OptionLong, m_constStrArgThread);
CMICMDBASE_GETOPTION(pArgAddrStart, OptionShort, m_constStrArgAddrStart);
CMICMDBASE_GETOPTION(pArgAddrEnd, OptionShort, m_constStrArgAddrEnd);
CMICMDBASE_GETOPTION(pArgMode, Number, m_constStrArgMode);
// Retrieve the --thread option's thread ID (only 1)
MIuint64 nThreadId = UINT64_MAX;
if (pArgThread->GetFound() &&
!pArgThread->GetExpectedOption<CMICmdArgValNumber, MIuint64>(nThreadId)) {
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_THREAD_INVALID),
m_cmdData.strMiCmd.c_str(),
m_constStrArgThread.c_str()));
return MIstatus::failure;
}
CMIUtilString strAddrStart;
if (!pArgAddrStart->GetExpectedOption<CMICmdArgValString, CMIUtilString>(
strAddrStart)) {
SetError(CMIUtilString::Format(
MIRSRC(IDS_CMD_ERR_DISASM_ADDR_START_INVALID),
m_cmdData.strMiCmd.c_str(), m_constStrArgAddrStart.c_str()));
return MIstatus::failure;
}
MIint64 nAddrStart = 0;
if (!strAddrStart.ExtractNumber(nAddrStart)) {
SetError(CMIUtilString::Format(
MIRSRC(IDS_CMD_ERR_DISASM_ADDR_START_INVALID),
m_cmdData.strMiCmd.c_str(), m_constStrArgAddrStart.c_str()));
return MIstatus::failure;
}
CMIUtilString strAddrEnd;
if (!pArgAddrEnd->GetExpectedOption<CMICmdArgValString, CMIUtilString>(
strAddrEnd)) {
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_DISASM_ADDR_END_INVALID),
m_cmdData.strMiCmd.c_str(),
m_constStrArgAddrEnd.c_str()));
return MIstatus::failure;
}
MIint64 nAddrEnd = 0;
if (!strAddrEnd.ExtractNumber(nAddrEnd)) {
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_DISASM_ADDR_END_INVALID),
m_cmdData.strMiCmd.c_str(),
m_constStrArgAddrEnd.c_str()));
return MIstatus::failure;
}
const MIuint nDisasmMode = pArgMode->GetValue();
CMICmnLLDBDebugSessionInfo &rSessionInfo(
CMICmnLLDBDebugSessionInfo::Instance());
lldb::SBTarget sbTarget = rSessionInfo.GetTarget();
lldb::addr_t lldbStartAddr = static_cast<lldb::addr_t>(nAddrStart);
lldb::SBInstructionList instructions = sbTarget.ReadInstructions(
lldb::SBAddress(lldbStartAddr, sbTarget), nAddrEnd - nAddrStart);
const MIuint nInstructions = instructions.GetSize();
for (size_t i = 0; i < nInstructions; i++) {
const char *pUnknown = "??";
lldb::SBInstruction instrt = instructions.GetInstructionAtIndex(i);
const char *pStrMnemonic = instrt.GetMnemonic(sbTarget);
pStrMnemonic = (pStrMnemonic != nullptr) ? pStrMnemonic : pUnknown;
const char *pStrComment = instrt.GetComment(sbTarget);
CMIUtilString strComment;
if (pStrComment != nullptr && *pStrComment != '\0')
strComment = CMIUtilString::Format("; %s", pStrComment);
lldb::SBAddress address = instrt.GetAddress();
lldb::addr_t addr = address.GetLoadAddress(sbTarget);
// This sequence is similar to SBFrame::GetFunctionName() - first try
// inlined block, then function, then symbol.
// Offset is an offset of instruction inside the function, first
// instruction in sequence might not have offset 0, if start address is
// not the first instruction of the function.
lldb::addr_t startOffset = 0;
const char *pFnName = nullptr;
auto sc = address.GetSymbolContext(lldb::eSymbolContextBlock |
lldb::eSymbolContextFunction |
lldb::eSymbolContextSymbol);
if (sc.IsValid()) {
auto block = sc.GetBlock();
if (block.IsValid() && block.GetContainingInlinedBlock().IsValid()) {
auto inlinedBlock = block.GetContainingInlinedBlock();
pFnName = inlinedBlock.GetInlinedName();
uint32_t index = inlinedBlock.GetRangeIndexForBlockAddress(address);
startOffset = inlinedBlock.GetRangeStartAddress(index).GetOffset();
} else {
auto function = sc.GetFunction();
if (function.IsValid()) {
pFnName = function.GetName();
startOffset = function.GetStartAddress().GetOffset();
} else {
auto symbol = sc.GetSymbol();
if (symbol.IsValid()) {
pFnName = symbol.GetName();
startOffset = symbol.GetStartAddress().GetOffset();
}
}
}
}
// Fallback name.
pFnName = (pFnName != nullptr) ? pFnName : pUnknown;
lldb::addr_t addrOffset = address.GetOffset() - startOffset;
const char *pStrOperands = instrt.GetOperands(sbTarget);
pStrOperands = (pStrOperands != nullptr) ? pStrOperands : pUnknown;
const size_t instrtSize = instrt.GetByteSize();
// MI "{address=\"0x%016" PRIx64
// "\",func-name=\"%s\",offset=\"%lld\",inst=\"%s %s\"}"
const CMICmnMIValueConst miValueConst(
CMIUtilString::Format("0x%016" PRIx64, addr));
const CMICmnMIValueResult miValueResult("address", miValueConst);
CMICmnMIValueTuple miValueTuple(miValueResult);
const CMICmnMIValueConst miValueConst2(pFnName);
const CMICmnMIValueResult miValueResult2("func-name", miValueConst2);
miValueTuple.Add(miValueResult2);
const CMICmnMIValueConst miValueConst3(
CMIUtilString::Format("%lld", addrOffset));
const CMICmnMIValueResult miValueResult3("offset", miValueConst3);
miValueTuple.Add(miValueResult3);
const CMICmnMIValueConst miValueConst4(
CMIUtilString::Format("%d", instrtSize));
const CMICmnMIValueResult miValueResult4("size", miValueConst4);
miValueTuple.Add(miValueResult4);
const CMICmnMIValueConst miValueConst5(
CMIUtilString::Format("%s %s%s", pStrMnemonic, pStrOperands,
strComment.Escape(true).c_str()));
const CMICmnMIValueResult miValueResult5("inst", miValueConst5);
miValueTuple.Add(miValueResult5);
if (nDisasmMode == 1) {
lldb::SBLineEntry lineEntry = address.GetLineEntry();
const MIuint nLine = lineEntry.GetLine();
const char *pFileName = lineEntry.GetFileSpec().GetFilename();
pFileName = (pFileName != nullptr) ? pFileName : pUnknown;
// Get a full path to the file.
char pathBuffer[PATH_MAX];
lineEntry.GetFileSpec().GetPath(pathBuffer, PATH_MAX);
// MI "src_and_asm_line={line=\"%u\",file=\"%s\",line_asm_insn=[ ],
// fullname=\"%s\"}"
const CMICmnMIValueConst miValueConst(CMIUtilString::Format("%u", nLine));
const CMICmnMIValueResult miValueResult("line", miValueConst);
CMICmnMIValueTuple miValueTuple2(miValueResult);
const CMICmnMIValueConst miValueConst2(pFileName);
const CMICmnMIValueResult miValueResult2("file", miValueConst2);
miValueTuple2.Add(miValueResult2);
const CMICmnMIValueList miValueList(miValueTuple);
const CMICmnMIValueResult miValueResult3("line_asm_insn", miValueList);
miValueTuple2.Add(miValueResult3);
const CMICmnMIValueConst miValueConst5(pathBuffer);
const CMICmnMIValueResult miValueResult5("fullname", miValueConst5);
miValueTuple2.Add(miValueResult5);
const CMICmnMIValueResult miValueResult4("src_and_asm_line",
miValueTuple2);
m_miValueList.Add(miValueResult4);
} else {
m_miValueList.Add(miValueTuple);
}
}
return MIstatus::success;
}
//++
// Details: The invoker requires this function. The command prepares a MI Record
// Result
// for the work carried out in the Execute().
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdDataDisassemble::Acknowledge() {
const CMICmnMIValueResult miValueResult("asm_insns", m_miValueList);
const CMICmnMIResultRecord miRecordResult(
m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done,
miValueResult);
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
//++
// Details: Required by the CMICmdFactory when registering *this command. The
// factory
// calls this function to create an instance of *this command.
// Type: Static method.
// Args: None.
// Return: CMICmdBase * - Pointer to a new command.
// Throws: None.
//--
CMICmdBase *CMICmdCmdDataDisassemble::CreateSelf() {
return new CMICmdCmdDataDisassemble();
}
//++
// Details: CMICmdCmdDataReadMemoryBytes constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdDataReadMemoryBytes::CMICmdCmdDataReadMemoryBytes()
: m_constStrArgByteOffset("o"), m_constStrArgAddrExpr("address"),
m_constStrArgNumBytes("count"), m_pBufferMemory(nullptr), m_nAddrStart(0),
m_nAddrNumBytesToRead(0) {
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "data-read-memory-bytes";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdDataReadMemoryBytes::CreateSelf;
}
//++
// Details: CMICmdCmdDataReadMemoryBytes destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdDataReadMemoryBytes::~CMICmdCmdDataReadMemoryBytes() {
if (m_pBufferMemory != nullptr) {
delete[] m_pBufferMemory;
m_pBufferMemory = nullptr;
}
}
//++
// Details: The invoker requires this function. The parses the command line
// options
// arguments to extract values for each of those arguments.
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdDataReadMemoryBytes::ParseArgs() {
m_setCmdArgs.Add(
new CMICmdArgValOptionShort(m_constStrArgByteOffset, false, true,
CMICmdArgValListBase::eArgValType_Number, 1));
m_setCmdArgs.Add(
new CMICmdArgValString(m_constStrArgAddrExpr, true, true, true, true));
m_setCmdArgs.Add(new CMICmdArgValNumber(m_constStrArgNumBytes, true, true));
return ParseValidateCmdOptions();
}
//++
// Details: The invoker requires this function. The command does work in this
// function.
// The command is likely to communicate with the LLDB SBDebugger in
// here.
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Function succeeded.
// MIstatus::failure - Function failed.
// Throws: None.
//--
bool CMICmdCmdDataReadMemoryBytes::Execute() {
CMICMDBASE_GETOPTION(pArgThread, OptionLong, m_constStrArgThread);
CMICMDBASE_GETOPTION(pArgFrame, OptionLong, m_constStrArgFrame);
CMICMDBASE_GETOPTION(pArgAddrOffset, OptionShort, m_constStrArgByteOffset);
CMICMDBASE_GETOPTION(pArgAddrExpr, String, m_constStrArgAddrExpr);
CMICMDBASE_GETOPTION(pArgNumBytes, Number, m_constStrArgNumBytes);
// get the --thread option value
MIuint64 nThreadId = UINT64_MAX;
if (pArgThread->GetFound() &&
!pArgThread->GetExpectedOption<CMICmdArgValNumber, MIuint64>(nThreadId)) {
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_OPTION_NOT_FOUND),
m_cmdData.strMiCmd.c_str(),
m_constStrArgThread.c_str()));
return MIstatus::failure;
}
// get the --frame option value
MIuint64 nFrame = UINT64_MAX;
if (pArgFrame->GetFound() &&
!pArgFrame->GetExpectedOption<CMICmdArgValNumber, MIuint64>(nFrame)) {
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_OPTION_NOT_FOUND),
m_cmdData.strMiCmd.c_str(),
m_constStrArgFrame.c_str()));
return MIstatus::failure;
}
// get the -o option value
MIuint64 nAddrOffset = 0;
if (pArgAddrOffset->GetFound() &&
!pArgAddrOffset->GetExpectedOption<CMICmdArgValNumber, MIuint64>(
nAddrOffset)) {
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_OPTION_NOT_FOUND),
m_cmdData.strMiCmd.c_str(),
m_constStrArgByteOffset.c_str()));
return MIstatus::failure;
}
CMICmnLLDBDebugSessionInfo &rSessionInfo(
CMICmnLLDBDebugSessionInfo::Instance());
lldb::SBProcess sbProcess = rSessionInfo.GetProcess();
if (!sbProcess.IsValid()) {
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INVALID_PROCESS),
m_cmdData.strMiCmd.c_str()));
return MIstatus::failure;
}
lldb::SBThread thread = (nThreadId != UINT64_MAX)
? sbProcess.GetThreadByIndexID(nThreadId)
: sbProcess.GetSelectedThread();
if (!thread.IsValid()) {
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_THREAD_INVALID),
m_cmdData.strMiCmd.c_str()));
return MIstatus::failure;
}
lldb::SBFrame frame = (nFrame != UINT64_MAX) ? thread.GetFrameAtIndex(nFrame)
: thread.GetSelectedFrame();
if (!frame.IsValid()) {
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_FRAME_INVALID),
m_cmdData.strMiCmd.c_str()));
return MIstatus::failure;
}
const CMIUtilString &rAddrExpr = pArgAddrExpr->GetValue();
lldb::SBValue addrExprValue = frame.EvaluateExpression(rAddrExpr.c_str());
lldb::SBError error = addrExprValue.GetError();
if (error.Fail()) {
SetError(error.GetCString());
return MIstatus::failure;
} else if (!addrExprValue.IsValid()) {
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_EXPR_INVALID),
rAddrExpr.c_str()));
return MIstatus::failure;
}
MIuint64 nAddrStart = 0;
if (!CMICmnLLDBProxySBValue::GetValueAsUnsigned(addrExprValue, nAddrStart)) {
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_EXPR_INVALID),
rAddrExpr.c_str()));
return MIstatus::failure;
}
nAddrStart += nAddrOffset;
const MIuint64 nAddrNumBytes = pArgNumBytes->GetValue();
m_pBufferMemory = new unsigned char[nAddrNumBytes];
if (m_pBufferMemory == nullptr) {
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_MEMORY_ALLOC_FAILURE),
m_cmdData.strMiCmd.c_str(), nAddrNumBytes));
return MIstatus::failure;
}
const MIuint64 nReadBytes =
sbProcess.ReadMemory(static_cast<lldb::addr_t>(nAddrStart),
(void *)m_pBufferMemory, nAddrNumBytes, error);
if (nReadBytes != nAddrNumBytes) {
SetError(CMIUtilString::Format(
MIRSRC(IDS_CMD_ERR_LLDB_ERR_NOT_READ_WHOLE_BLK),
m_cmdData.strMiCmd.c_str(), nAddrNumBytes, nAddrStart));
return MIstatus::failure;
}
if (error.Fail()) {
lldb::SBStream err;
const bool bOk = error.GetDescription(err);
MIunused(bOk);
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_LLDB_ERR_READ_MEM_BYTES),
m_cmdData.strMiCmd.c_str(), nAddrNumBytes,
nAddrStart, err.GetData()));
return MIstatus::failure;
}
m_nAddrStart = nAddrStart;
m_nAddrNumBytesToRead = nAddrNumBytes;
return MIstatus::success;
}
//++
// Details: The invoker requires this function. The command prepares a MI Record
// Result
// for the work carried out in the Execute().
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdDataReadMemoryBytes::Acknowledge() {
// MI: memory=[{begin=\"0x%016" PRIx64 "\",offset=\"0x%016" PRIx64"
// \",end=\"0x%016" PRIx64 "\",contents=\" \" }]"
const CMICmnMIValueConst miValueConst(
CMIUtilString::Format("0x%016" PRIx64, m_nAddrStart));
const CMICmnMIValueResult miValueResult("begin", miValueConst);
CMICmnMIValueTuple miValueTuple(miValueResult);
const MIuint64 nAddrOffset = 0;
const CMICmnMIValueConst miValueConst2(
CMIUtilString::Format("0x%016" PRIx64, nAddrOffset));
const CMICmnMIValueResult miValueResult2("offset", miValueConst2);
miValueTuple.Add(miValueResult2);
const CMICmnMIValueConst miValueConst3(CMIUtilString::Format(
"0x%016" PRIx64, m_nAddrStart + m_nAddrNumBytesToRead));
const CMICmnMIValueResult miValueResult3("end", miValueConst3);
miValueTuple.Add(miValueResult3);
// MI: contents=\" \"
CMIUtilString strContent;
strContent.reserve((m_nAddrNumBytesToRead << 1) + 1);
for (MIuint64 i = 0; i < m_nAddrNumBytesToRead; i++) {
strContent += CMIUtilString::Format("%02hhx", m_pBufferMemory[i]);
}
const CMICmnMIValueConst miValueConst4(strContent);
const CMICmnMIValueResult miValueResult4("contents", miValueConst4);
miValueTuple.Add(miValueResult4);
const CMICmnMIValueList miValueList(miValueTuple);
const CMICmnMIValueResult miValueResult5("memory", miValueList);
const CMICmnMIResultRecord miRecordResult(
m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done,
miValueResult5);
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
//++
// Details: Required by the CMICmdFactory when registering *this command. The
// factory
// calls this function to create an instance of *this command.
// Type: Static method.
// Args: None.
// Return: CMICmdBase * - Pointer to a new command.
// Throws: None.
//--
CMICmdBase *CMICmdCmdDataReadMemoryBytes::CreateSelf() {
return new CMICmdCmdDataReadMemoryBytes();
}
//++
// Details: CMICmdCmdDataReadMemory constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdDataReadMemory::CMICmdCmdDataReadMemory() {
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "data-read-memory";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdDataReadMemory::CreateSelf;
}
//++
// Details: CMICmdCmdDataReadMemory destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdDataReadMemory::~CMICmdCmdDataReadMemory() {}
//++
// Details: The invoker requires this function. The command does work in this
// function.
// The command is likely to communicate with the LLDB SBDebugger in
// here.
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdDataReadMemory::Execute() {
// Do nothing - command deprecated use "data-read-memory-bytes" command
return MIstatus::success;
}
//++
// Details: The invoker requires this function. The command prepares a MI Record
// Result
// for the work carried out in the Execute().
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdDataReadMemory::Acknowledge() {
// Command CMICmdCmdSupportListFeatures sends "data-read-memory-bytes" which
// causes this command not to be called
const CMICmnMIValueConst miValueConst(
MIRSRC(IDS_CMD_ERR_NOT_IMPLEMENTED_DEPRECATED));
const CMICmnMIValueResult miValueResult("msg", miValueConst);
const CMICmnMIResultRecord miRecordResult(
m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error,
miValueResult);
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
//++
// Details: Required by the CMICmdFactory when registering *this command. The
// factory
// calls this function to create an instance of *this command.
// Type: Static method.
// Args: None.
// Return: CMICmdBase * - Pointer to a new command.
// Throws: None.
//--
CMICmdBase *CMICmdCmdDataReadMemory::CreateSelf() {
return new CMICmdCmdDataReadMemory();
}
//++
// Details: CMICmdCmdDataListRegisterNames constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdDataListRegisterNames::CMICmdCmdDataListRegisterNames()
: m_constStrArgRegNo("regno"), m_miValueList(true) {
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "data-list-register-names";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdDataListRegisterNames::CreateSelf;
}
//++
// Details: CMICmdCmdDataReadMemoryBytes destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdDataListRegisterNames::~CMICmdCmdDataListRegisterNames() {}
//++
// Details: The invoker requires this function. The parses the command line
// options
// arguments to extract values for each of those arguments.
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdDataListRegisterNames::ParseArgs() {
m_setCmdArgs.Add(
new CMICmdArgValListOfN(m_constStrArgRegNo, false, false,
CMICmdArgValListBase::eArgValType_Number));
return ParseValidateCmdOptions();
}
//++
// Details: The invoker requires this function. The command does work in this
// function.
// The command is likely to communicate with the LLDB SBDebugger in
// here.
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdDataListRegisterNames::Execute() {
CMICMDBASE_GETOPTION(pArgRegNo, ListOfN, m_constStrArgRegNo);
CMICmnLLDBDebugSessionInfo &rSessionInfo(
CMICmnLLDBDebugSessionInfo::Instance());
lldb::SBProcess sbProcess = rSessionInfo.GetProcess();
if (!sbProcess.IsValid()) {
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INVALID_PROCESS),
m_cmdData.strMiCmd.c_str()));
return MIstatus::failure;
}
const CMICmdArgValListBase::VecArgObjPtr_t &rVecRegNo(
pArgRegNo->GetExpectedOptions());
if (!rVecRegNo.empty()) {
// List of required registers
CMICmdArgValListBase::VecArgObjPtr_t::const_iterator it = rVecRegNo.begin();
while (it != rVecRegNo.end()) {
const CMICmdArgValNumber *pRegNo = static_cast<CMICmdArgValNumber *>(*it);
const MIuint nRegIndex = pRegNo->GetValue();
lldb::SBValue regValue = GetRegister(nRegIndex);
if (regValue.IsValid()) {
const CMICmnMIValueConst miValueConst(
CMICmnLLDBUtilSBValue(regValue).GetName());
m_miValueList.Add(miValueConst);
}
// Next
++it;
}
} else {
// List of all registers
lldb::SBThread thread = sbProcess.GetSelectedThread();
lldb::SBFrame frame = thread.GetSelectedFrame();
lldb::SBValueList registers = frame.GetRegisters();
const MIuint nRegisters = registers.GetSize();
for (MIuint i = 0; i < nRegisters; i++) {
lldb::SBValue value = registers.GetValueAtIndex(i);
const MIuint nRegChildren = value.GetNumChildren();
for (MIuint j = 0; j < nRegChildren; j++) {
lldb::SBValue regValue = value.GetChildAtIndex(j);
if (regValue.IsValid()) {
const CMICmnMIValueConst miValueConst(
CMICmnLLDBUtilSBValue(regValue).GetName());
m_miValueList.Add(miValueConst);
}
}
}
}
return MIstatus::success;
}
//++
// Details: The invoker requires this function. The command prepares a MI Record
// Result
// for the work carried out in the Execute().
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdDataListRegisterNames::Acknowledge() {
const CMICmnMIValueResult miValueResult("register-names", m_miValueList);
const CMICmnMIResultRecord miRecordResult(
m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done,
miValueResult);
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
//++
// Details: Required by the CMICmdFactory when registering *this command. The
// factory
// calls this function to create an instance of *this command.
// Type: Static method.
// Args: None.
// Return: CMICmdBase * - Pointer to a new command.
// Throws: None.
//--
CMICmdBase *CMICmdCmdDataListRegisterNames::CreateSelf() {
return new CMICmdCmdDataListRegisterNames();
}
//++
// Details: Required by the CMICmdFactory when registering *this command. The
// factory
// calls this function to create an instance of *this command.
// Type: Method.
// Args: None.
// Return: lldb::SBValue - LLDB SBValue object.
// Throws: None.
//--
lldb::SBValue
CMICmdCmdDataListRegisterNames::GetRegister(const MIuint vRegisterIndex) const {
lldb::SBThread thread =
CMICmnLLDBDebugSessionInfo::Instance().GetProcess().GetSelectedThread();
lldb::SBFrame frame = thread.GetSelectedFrame();
lldb::SBValueList registers = frame.GetRegisters();
const MIuint nRegisters = registers.GetSize();
MIuint nRegisterIndex(vRegisterIndex);
for (MIuint i = 0; i < nRegisters; i++) {
lldb::SBValue value = registers.GetValueAtIndex(i);
const MIuint nRegChildren = value.GetNumChildren();
if (nRegisterIndex >= nRegChildren) {
nRegisterIndex -= nRegChildren;
continue;
}
lldb::SBValue value2 = value.GetChildAtIndex(nRegisterIndex);
if (value2.IsValid()) {
return value2;
}
}
return lldb::SBValue();
}
//++
// Details: CMICmdCmdDataListRegisterValues constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdDataListRegisterValues::CMICmdCmdDataListRegisterValues()
: m_constStrArgSkip("skip-unavailable"), m_constStrArgFormat("fmt"),
m_constStrArgRegNo("regno"), m_miValueList(true) {
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "data-list-register-values";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdDataListRegisterValues::CreateSelf;
}