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//===-- MICmdCmdSymbol.cpp --------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Overview: CMICmdCmdSymbolListLines implementation.
// Third Party Headers:
#include "llvm/ADT/Twine.h"
#include "lldb/API/SBAddress.h"
#include "lldb/API/SBLineEntry.h"
#include "lldb/API/SBFileSpec.h"
#include "lldb/API/SBCompileUnit.h"
#include "lldb/API/SBSymbolContext.h"
#include "lldb/API/SBSymbolContextList.h"
// In-house headers:
#include "MICmdArgValFile.h"
#include "MICmdCmdSymbol.h"
#include "MICmnLLDBDebugSessionInfo.h"
#include "MICmnMIResultRecord.h"
#include "MICmnMIValueTuple.h"
#include "MICmnMIValueResult.h"
namespace {
const CMICmnMIValueTuple
CreateMITuplePCLine(const uint32_t addr, const uint32_t line_number) {
const CMICmnMIValueConst miValueConstAddr("0x" + llvm::Twine::utohexstr(addr).str());
const CMICmnMIValueConst miValueConstLine(llvm::Twine(line_number).str());
const CMICmnMIValueResult miValueResultAddr("pc", miValueConstAddr);
const CMICmnMIValueResult miValueResultLine("line", miValueConstLine);
CMICmnMIValueTuple miValueTuple(miValueResultAddr);
miValueTuple.Add(miValueResultLine);
return miValueTuple;
}
} // namespace
using namespace lldb; // For operator==(const SBAddress &, const SBAddress &).
//++
//------------------------------------------------------------------------------------
// Details: CMICmdCmdSymbolListLines constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdSymbolListLines::CMICmdCmdSymbolListLines()
: m_resultList(false), m_constStrArgNameFile("file") {
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "symbol-list-lines";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdSymbolListLines::CreateSelf;
}
//++
//------------------------------------------------------------------------------------
// Details: CMICmdCmdSymbolListLines destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdSymbolListLines::~CMICmdCmdSymbolListLines() {}
//++
//------------------------------------------------------------------------------------
// 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 CMICmdCmdSymbolListLines::ParseArgs() {
m_setCmdArgs.Add(new CMICmdArgValFile(m_constStrArgNameFile, 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.
// Synopsis: -symbol-list-lines file
// Ref:
// http://sourceware.org/gdb/onlinedocs/gdb/GDB_002fMI-Symbol-Query.html#GDB_002fMI-Symbol-Query
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdSymbolListLines::Execute() {
CMICMDBASE_GETOPTION(pArgFile, File, m_constStrArgNameFile);
const auto &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
if (rSessionInfo.GetTarget() == rSessionInfo.GetDebugger().GetDummyTarget()) {
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INVALID_TARGET_CURRENT),
m_cmdData.strMiCmd.c_str()));
return MIstatus::failure;
}
const lldb::SBFileSpec source_file_spec(pArgFile->GetValue().c_str(), true);
const char *source_file_name = source_file_spec.GetFilename();
const char *source_file_directory = source_file_spec.GetDirectory();
const bool has_path = source_file_directory;
lldb::SBSymbolContextList sc_cu_list =
CMICmnLLDBDebugSessionInfo::Instance().GetTarget().FindCompileUnits(
source_file_spec);
bool found_something = false;
for (uint32_t i = 0, e = sc_cu_list.GetSize(); i < e; ++i) {
const lldb::SBCompileUnit cu =
sc_cu_list.GetContextAtIndex(i).GetCompileUnit();
for (uint32_t j = 0, e = cu.GetNumLineEntries(); j < e; ++j) {
const lldb::SBLineEntry line = cu.GetLineEntryAtIndex(j);
const lldb::SBFileSpec line_spec = line.GetFileSpec();
if (line_spec.GetFilename() == source_file_name) {
if (has_path && (line_spec.GetDirectory() != source_file_directory))
continue;
// We don't need a line with start address equals to end one,
// so just skip it.
const lldb::SBAddress line_start_address = line.GetStartAddress();
const lldb::SBAddress line_end_address = line.GetEndAddress();
if (line_start_address == line_end_address)
continue;
// We have a matching line.
found_something = true;
m_resultList.Add(CreateMITuplePCLine(
line_start_address.GetFileAddress(),
line.GetLine()));
}
}
}
if (!found_something) {
SetError(MIRSRC(IDS_UTIL_FILE_ERR_INVALID_PATHNAME));
return MIstatus::failure;
}
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 CMICmdCmdSymbolListLines::Acknowledge() {
// MI print "%s^done,lines=[{pc=\"%d\",line=\"%d\"}...]"
const CMICmnMIValueResult miValueResult("lines", m_resultList);
m_miResultRecord = CMICmnMIResultRecord(
m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done,
miValueResult);
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 *CMICmdCmdSymbolListLines::CreateSelf() {
return new CMICmdCmdSymbolListLines();
}
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