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//===-- MICmdCmdGdbInfo.cpp -------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Overview: CMICmdCmdGdbInfo implementation.
// Third party headers:
#include <inttypes.h> // For PRIx64
#include "lldb/API/SBCommandReturnObject.h"
// In-house headers:
#include "MICmdCmdGdbInfo.h"
#include "MICmnMIResultRecord.h"
#include "MICmnMIValueConst.h"
#include "MICmdArgValString.h"
#include "MICmnStreamStdout.h"
#include "MICmnLLDBDebugSessionInfo.h"
// Instantiations:
const CMICmdCmdGdbInfo::MapPrintFnNameToPrintFn_t CMICmdCmdGdbInfo::ms_mapPrintFnNameToPrintFn = {
{"sharedlibrary", &CMICmdCmdGdbInfo::PrintFnSharedLibrary}};
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdGdbInfo constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdGdbInfo::CMICmdCmdGdbInfo()
: m_constStrArgNamedPrint("print")
, m_bPrintFnRecognised(true)
, m_bPrintFnSuccessful(false)
, m_strPrintFnError(MIRSRC(IDS_WORD_ERR_MSG_NOT_IMPLEMENTED_BRKTS))
{
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "info";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdGdbInfo::CreateSelf;
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdGdbInfo destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdGdbInfo::~CMICmdCmdGdbInfo()
{
}
//++ ------------------------------------------------------------------------------------
// 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
CMICmdCmdGdbInfo::ParseArgs()
{
m_setCmdArgs.Add(new CMICmdArgValString(m_constStrArgNamedPrint, 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
CMICmdCmdGdbInfo::Execute()
{
CMICMDBASE_GETOPTION(pArgPrint, String, m_constStrArgNamedPrint);
const CMIUtilString &rPrintRequest(pArgPrint->GetValue());
FnPrintPtr pPrintRequestFn = nullptr;
if (!GetPrintFn(rPrintRequest, pPrintRequestFn))
{
m_strPrintFnName = rPrintRequest;
m_bPrintFnRecognised = false;
return MIstatus::success;
}
m_bPrintFnSuccessful = (this->*(pPrintRequestFn))();
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
CMICmdCmdGdbInfo::Acknowledge()
{
if (!m_bPrintFnRecognised)
{
const CMICmnMIValueConst miValueConst(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INFO_PRINTFN_NOT_FOUND), m_strPrintFnName.c_str()));
const CMICmnMIValueResult miValueResult("msg", miValueConst);
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error, miValueResult);
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
if (m_bPrintFnSuccessful)
{
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done);
m_miResultRecord = miRecordResult;
return MIstatus::success;
}
const CMICmnMIValueConst miValueConst(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INFO_PRINTFN_FAILED), m_strPrintFnError.c_str()));
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 *
CMICmdCmdGdbInfo::CreateSelf()
{
return new CMICmdCmdGdbInfo();
}
//++ ------------------------------------------------------------------------------------
// Details: Retrieve the print function's pointer for the matching print request.
// Type: Method.
// Args: vrPrintFnName - (R) The info requested.
// vrwpFn - (W) The print function's pointer of the function to carry out
// Return: bool - True = Print request is implemented, false = not found.
// Throws: None.
//--
bool
CMICmdCmdGdbInfo::GetPrintFn(const CMIUtilString &vrPrintFnName, FnPrintPtr &vrwpFn) const
{
vrwpFn = nullptr;
const MapPrintFnNameToPrintFn_t::const_iterator it = ms_mapPrintFnNameToPrintFn.find(vrPrintFnName);
if (it != ms_mapPrintFnNameToPrintFn.end())
{
vrwpFn = (*it).second;
return true;
}
return false;
}
//++ ------------------------------------------------------------------------------------
// Details: Carry out work to complete the request to prepare and send back information
// asked for.
// Type: Method.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool
CMICmdCmdGdbInfo::PrintFnSharedLibrary()
{
CMICmnStreamStdout &rStdout = CMICmnStreamStdout::Instance();
bool bOk = rStdout.TextToStdout("~\"From To Syms Read Shared Object Library\"");
CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
lldb::SBTarget sbTarget = rSessionInfo.GetTarget();
const MIuint nModules = sbTarget.GetNumModules();
for (MIuint i = 0; bOk && (i < nModules); i++)
{
lldb::SBModule module = sbTarget.GetModuleAtIndex(i);
if (module.IsValid())
{
const CMIUtilString strModuleFilePath(module.GetFileSpec().GetDirectory());
const CMIUtilString strModuleFileName(module.GetFileSpec().GetFilename());
const CMIUtilString strModuleFullPath(CMIUtilString::Format("%s/%s", strModuleFilePath.c_str(), strModuleFileName.c_str()));
const CMIUtilString strHasSymbols = (module.GetNumSymbols() > 0) ? "Yes" : "No";
lldb::addr_t addrLoadS = 0xffffffffffffffff;
lldb::addr_t addrLoadSize = 0;
bool bHaveAddrLoad = false;
const MIuint nSections = module.GetNumSections();
for (MIuint j = 0; j < nSections; j++)
{
lldb::SBSection section = module.GetSectionAtIndex(j);
lldb::addr_t addrLoad = section.GetLoadAddress(sbTarget);
if (addrLoad != (lldb::addr_t) - 1)
{
if (!bHaveAddrLoad)
{
bHaveAddrLoad = true;
addrLoadS = addrLoad;
}
addrLoadSize += section.GetByteSize();
}
}
bOk = bOk &&
rStdout.TextToStdout(CMIUtilString::Format("~\"0x%016" PRIx64 "\t0x%016" PRIx64 "\t%s\t\t%s\"", addrLoadS, addrLoadS + addrLoadSize,
strHasSymbols.c_str(), strModuleFullPath.c_str()));
}
}
return bOk;
}
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