Ejemplo n.º 1
0
AllocatedMemoryCache::AllocatedBlockSP
AllocatedMemoryCache::AllocatePage (uint32_t byte_size, 
                                    uint32_t permissions, 
                                    uint32_t chunk_size, 
                                    Error &error)
{
    AllocatedBlockSP block_sp;
    const size_t page_size = 4096;
    const size_t num_pages = (byte_size + page_size - 1) / page_size;
    const size_t page_byte_size = num_pages * page_size;

    addr_t addr = m_process.DoAllocateMemory(page_byte_size, permissions, error);

    LogSP log (GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS));
    if (log)
    {
        log->Printf ("Process::DoAllocateMemory (byte_size = 0x%8.8zx, permissions = %s) => 0x%16.16llx", 
                     page_byte_size, 
                     GetPermissionsAsCString(permissions), 
                     (uint64_t)addr);
    }

    if (addr != LLDB_INVALID_ADDRESS)
    {
        block_sp.reset (new AllocatedBlock (addr, page_byte_size, permissions, chunk_size));
        m_memory_map.insert (std::make_pair (permissions, block_sp));
    }
    return block_sp;
}
Ejemplo n.º 2
0
void
POSIXThread::BreakNotify(const ProcessMessage &message)
{
    bool status;
    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));

    assert(GetRegisterContext());
    status = GetRegisterContextPOSIX()->UpdateAfterBreakpoint();
    assert(status && "Breakpoint update failed!");

    // With our register state restored, resolve the breakpoint object
    // corresponding to our current PC.
    assert(GetRegisterContext());
    lldb::addr_t pc = GetRegisterContext()->GetPC();
    if (log)
        log->Printf ("POSIXThread::%s () PC=0x%8.8llx", __FUNCTION__, pc);
    lldb::BreakpointSiteSP bp_site(GetProcess()->GetBreakpointSiteList().FindByAddress(pc));
    assert(bp_site);
    lldb::break_id_t bp_id = bp_site->GetID();
    assert(bp_site && bp_site->ValidForThisThread(this));

    
    m_breakpoint = bp_site;
    m_stop_info = StopInfo::CreateStopReasonWithBreakpointSiteID(*this, bp_id);
}
Ejemplo n.º 3
0
void
DWARFDebugAranges::Sort (bool minimize)
{    
    Timer scoped_timer(__PRETTY_FUNCTION__, "%s this = %p",
                       __PRETTY_FUNCTION__, this);

    LogSP log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_ARANGES));
    size_t orig_arange_size = 0;
    if (log)
    {
        orig_arange_size = m_aranges.GetSize();
        log->Printf ("DWARFDebugAranges::Sort(minimize = %u) with %zu entries", minimize, orig_arange_size);
    }

    m_aranges.Sort();
    m_aranges.CombineConsecutiveEntriesWithEqualData();

    if (log)
    {
        if (minimize)
        {
            const size_t new_arange_size = m_aranges.GetSize();
            const size_t delta = orig_arange_size - new_arange_size;
            log->Printf ("DWARFDebugAranges::Sort() %zu entries after minimizing (%zu entries combined for %zu bytes saved)", 
                         new_arange_size, delta, delta * sizeof(Range));
        }
        Dump (log.get());
    }
}
Ejemplo n.º 4
0
lldb::addr_t
AllocatedMemoryCache::AllocateMemory (size_t byte_size, 
                                      uint32_t permissions, 
                                      Error &error)
{
    Mutex::Locker locker (m_mutex);
    
    addr_t addr = LLDB_INVALID_ADDRESS;
    std::pair<PermissionsToBlockMap::iterator, PermissionsToBlockMap::iterator> range = m_memory_map.equal_range (permissions);

    for (PermissionsToBlockMap::iterator pos = range.first; pos != range.second; ++pos)
    {
        addr = (*pos).second->ReserveBlock (byte_size);
    }
    
    if (addr == LLDB_INVALID_ADDRESS)
    {
        AllocatedBlockSP block_sp (AllocatePage (byte_size, permissions, 16, error));

        if (block_sp)
            addr = block_sp->ReserveBlock (byte_size);
    }
    LogSP log (GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS));
    if (log)
        log->Printf ("AllocatedMemoryCache::AllocateMemory (byte_size = 0x%8.8zx, permissions = %s) => 0x%16.16llx", byte_size, GetPermissionsAsCString(permissions), (uint64_t)addr);
    return addr;
}
Ejemplo n.º 5
0
bool
CommunicationKDP::SendRequestPacketNoLock (const PacketStreamType &request_packet)
{
    if (IsConnected())
    {
        const char *packet_data = request_packet.GetData();
        const size_t packet_size = request_packet.GetSize();

        LogSP log (ProcessKDPLog::GetLogIfAllCategoriesSet (KDP_LOG_PACKETS));
        if (log)
        {
            PacketStreamType log_strm;
            DumpPacket (log_strm, packet_data, packet_size);
            log->Printf("%.*s", (uint32_t)log_strm.GetSize(), log_strm.GetData());
        }
        ConnectionStatus status = eConnectionStatusSuccess;

        size_t bytes_written = Write (packet_data,
                                      packet_size,
                                      status,
                                      NULL);

        if (bytes_written == packet_size)
            return true;

        if (log)
            log->Printf ("error: failed to send packet entire packet %" PRIu64 " of %" PRIu64 " bytes sent", (uint64_t)bytes_written, (uint64_t)packet_size);
    }
    return false;
}
Ejemplo n.º 6
0
bool
BreakpointLocation::ShouldStop (StoppointCallbackContext *context)
{
    bool should_stop = true;
    LogSP log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS);

    m_hit_count++;

    if (!IsEnabled())
        return false;

    if (m_hit_count <= GetIgnoreCount())
        return false;

    // We only run synchronous callbacks in ShouldStop:
    context->is_synchronous = true;
    should_stop = InvokeCallback (context);
    
    if (log)
    {
        StreamString s;
        GetDescription (&s, lldb::eDescriptionLevelVerbose);
        log->Printf ("Hit breakpoint location: %s, %s.\n", s.GetData(), should_stop ? "stopping" : "continuing");
    }
    
    return should_stop;
}
Ejemplo n.º 7
0
bool
BreakpointLocation::ResolveBreakpointSite ()
{
    if (m_bp_site_sp)
        return true;

    Process *process = m_owner.GetTarget().GetProcessSP().get();
    if (process == NULL)
        return false;

    if (m_owner.GetTarget().GetSectionLoadList().IsEmpty())
        return false;

    BreakpointLocationSP this_sp(this);

    lldb::break_id_t new_id = process->CreateBreakpointSite (this_sp, false);

    if (new_id == LLDB_INVALID_BREAK_ID)
    {
        LogSP log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS);
        if (log)
            log->Warning ("Tried to add breakpoint site at 0x%llx but it was already present.\n",
                          m_address.GetOpcodeLoadAddress (&m_owner.GetTarget()));
        return false;
    }

    return true;
}
Ejemplo n.º 8
0
bool
POSIXThread::Resume()
{
    lldb::StateType resume_state = GetResumeState();
    ProcessMonitor &monitor = GetMonitor();
    bool status;

    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
    if (log && log->GetMask().Test(POSIX_LOG_VERBOSE))
        log->Printf ("POSIXThread::%s ()", __FUNCTION__);

    switch (resume_state)
    {
    default:
        assert(false && "Unexpected state for resume!");
        status = false;
        break;

    case lldb::eStateRunning:
        SetState(resume_state);
        status = monitor.Resume(GetID(), GetResumeSignal());
        break;

    case lldb::eStateStepping:
        SetState(resume_state);
        status = monitor.SingleStep(GetID(), GetResumeSignal());
        break;
    }

    return status;
}
Ejemplo n.º 9
0
bool
DWARFDebugPubnames::Extract(const DataExtractor& data)
{
    Timer scoped_timer (__PRETTY_FUNCTION__,
                        "DWARFDebugPubnames::Extract (byte_size = %zu)",
                        data.GetByteSize());
    LogSP log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_PUBNAMES));
    if (log)
        log->Printf("DWARFDebugPubnames::Extract (byte_size = %zu)", data.GetByteSize());

    if (data.ValidOffset(0))
    {
        uint32_t offset = 0;

        DWARFDebugPubnamesSet set;
        while (data.ValidOffset(offset))
        {
            if (set.Extract(data, &offset))
            {
                m_sets.push_back(set);
                offset = set.GetOffsetOfNextEntry();
            }
            else
                break;
        }
        if (log)
            Dump (log.get());
        return true;
    }
    return false;
}
Ejemplo n.º 10
0
POSIXThread::POSIXThread(Process &process, lldb::tid_t tid)
    : Thread(process, tid),
      m_frame_ap(0)
{
    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
    if (log && log->GetMask().Test(POSIX_LOG_VERBOSE))
        log->Printf ("POSIXThread::%s (tid = %i)", __FUNCTION__, tid);
}
Ejemplo n.º 11
0
size_t
CommunicationKDP::WaitForPacketWithTimeoutMicroSecondsNoLock (DataExtractor &packet, uint32_t timeout_usec)
{
    uint8_t buffer[8192];
    Error error;

    LogSP log (ProcessKDPLog::GetLogIfAllCategoriesSet (KDP_LOG_PACKETS | KDP_LOG_VERBOSE));

    // Check for a packet from our cache first without trying any reading...
    if (CheckForPacket (NULL, 0, packet))
        return packet.GetByteSize();

    bool timed_out = false;
    while (IsConnected() && !timed_out)
    {
        lldb::ConnectionStatus status = eConnectionStatusNoConnection;
        size_t bytes_read = Read (buffer, sizeof(buffer), timeout_usec, status, &error);

        if (log)
            log->Printf ("%s: Read (buffer, (sizeof(buffer), timeout_usec = 0x%x, status = %s, error = %s) => bytes_read = %" PRIu64,
                         __PRETTY_FUNCTION__,
                         timeout_usec,
                         Communication::ConnectionStatusAsCString (status),
                         error.AsCString(),
                         (uint64_t)bytes_read);

        if (bytes_read > 0)
        {
            if (CheckForPacket (buffer, bytes_read, packet))
                return packet.GetByteSize();
        }
        else
        {
            switch (status)
            {
            case eConnectionStatusTimedOut:
                timed_out = true;
                break;
            case eConnectionStatusSuccess:
                //printf ("status = success but error = %s\n", error.AsCString("<invalid>"));
                break;

            case eConnectionStatusEndOfFile:
            case eConnectionStatusNoConnection:
            case eConnectionStatusLostConnection:
            case eConnectionStatusError:
                Disconnect();
                break;
            }
        }
    }
    packet.Clear ();
    return 0;
}
Ejemplo n.º 12
0
void
ProcessKDPLog::LogIf (uint32_t mask, const char *format, ...)
{
    LogSP log (ProcessKDPLog::GetLogIfAllCategoriesSet (mask));
    if (log)
    {
        va_list args;
        va_start (args, format);
        log->VAPrintf (format, args);
        va_end (args);
    }
}
Ejemplo n.º 13
0
void
POSIXThread::RefreshStateAfterStop()
{
    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
    if (log && log->GetMask().Test(POSIX_LOG_VERBOSE))
        log->Printf ("POSIXThread::%s ()", __FUNCTION__);

    // Let all threads recover from stopping and do any clean up based
    // on the previous thread state (if any).
    ProcessSP base = GetProcess();
    ProcessPOSIX &process = static_cast<ProcessPOSIX&>(*base);
    process.GetThreadList().RefreshStateAfterStop();
}
Ejemplo n.º 14
0
void
ProcessPOSIXLog::DisableLog (Args &args, Stream *feedback_strm)
{
    LogSP log (GetLog ());
    if (log)
    {
        uint32_t flag_bits = 0;
        
        const size_t argc = args.GetArgumentCount ();
        if (argc > 0)
        {
            flag_bits = log->GetMask().Get();
            for (size_t i = 0; i < argc; ++i)
            {
                const char *arg = args.GetArgumentAtIndex (i);
                

                if      (::strcasecmp (arg, "all")        == 0 ) flag_bits &= ~POSIX_LOG_ALL;
                else if (::strcasecmp (arg, "async")      == 0 ) flag_bits &= ~POSIX_LOG_ASYNC;
                else if (::strncasecmp (arg, "break", 5)  == 0 ) flag_bits &= ~POSIX_LOG_BREAKPOINTS;
                else if (::strncasecmp (arg, "comm", 4)   == 0 ) flag_bits &= ~POSIX_LOG_COMM;
                else if (::strcasecmp (arg, "default")    == 0 ) flag_bits &= ~POSIX_LOG_DEFAULT;
                else if (::strcasecmp (arg, "packets")    == 0 ) flag_bits &= ~POSIX_LOG_PACKETS;
                else if (::strcasecmp (arg, "memory")     == 0 ) flag_bits &= ~POSIX_LOG_MEMORY;
                else if (::strcasecmp (arg, "data-short") == 0 ) flag_bits &= ~POSIX_LOG_MEMORY_DATA_SHORT;
                else if (::strcasecmp (arg, "data-long")  == 0 ) flag_bits &= ~POSIX_LOG_MEMORY_DATA_LONG;
                else if (::strcasecmp (arg, "process")    == 0 ) flag_bits &= ~POSIX_LOG_PROCESS;
                else if (::strcasecmp (arg, "ptrace")     == 0 ) flag_bits &= ~POSIX_LOG_PTRACE;
                else if (::strcasecmp (arg, "registers")  == 0 ) flag_bits &= ~POSIX_LOG_REGISTERS;
                else if (::strcasecmp (arg, "step")       == 0 ) flag_bits &= ~POSIX_LOG_STEP;
                else if (::strcasecmp (arg, "thread")     == 0 ) flag_bits &= ~POSIX_LOG_THREAD;
                else if (::strcasecmp (arg, "verbose")    == 0 ) flag_bits &= ~POSIX_LOG_VERBOSE;
                else if (::strncasecmp (arg, "watch", 5)  == 0 ) flag_bits &= ~POSIX_LOG_WATCHPOINTS;
                else
                {
                    feedback_strm->Printf("error: unrecognized log category '%s'\n", arg);
                    ListLogCategories (feedback_strm);
                }
                
            }
        }
        
        if (flag_bits == 0)
            GetLog ().reset();
        else
            log->GetMask().Reset (flag_bits);
    }
    
    return;
}
Ejemplo n.º 15
0
kern_return_t
RegisterContextMach_x86_64::ReadGPR (bool force)
{
    int set = GPRRegSet;
    if (force || !RegisterSetIsCached(set))
    {
        mach_msg_type_number_t count = GPRWordCount;
        SetError(GPRRegSet, Read, ::thread_get_state(GetThreadID(), set, (thread_state_t)&gpr, &count));
        LogSP log (ProcessMacOSXLog::GetLogIfAllCategoriesSet (PD_LOG_THREAD));
        if (log)
            LogGPR (log.get(), "RegisterContextMach_x86_64::ReadGPR(thread = 0x%4.4x)", GetThreadID());
    }
    return GetError(GPRRegSet, Read);
}
Ejemplo n.º 16
0
void
POSIXThread::CrashNotify(const ProcessMessage &message)
{
    int signo = message.GetSignal();

    assert(message.GetKind() == ProcessMessage::eCrashMessage);

    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
    if (log)
        log->Printf ("POSIXThread::%s () signo = %i, reason = '%s'", __FUNCTION__, signo, message.PrintCrashReason());

    m_stop_info = lldb::StopInfoSP(new POSIXCrashStopInfo(
                                       *this, signo, message.GetCrashReason()));
    SetResumeSignal(signo);
}
Ejemplo n.º 17
0
void
RegisterContext_i386::LogGPR(const char *title)
{
    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_REGISTERS));
    if (log)
    {
        if (title)
            log->Printf ("%s", title);
        for (uint32_t i=0; i<k_num_gpr_registers; i++)
        {
            uint32_t reg = gpr_eax + i;
            log->Printf("%12s = 0x%8.8x", g_register_infos[reg].name, (&user.regs)[reg]);
        }
    }
}
Ejemplo n.º 18
0
bool
AllocatedBlock::FreeBlock (addr_t addr)
{
    uint32_t offset = addr - m_addr;
    OffsetToChunkSize::iterator pos = m_offset_to_chunk_size.find (offset);
    bool success = false;
    if (pos != m_offset_to_chunk_size.end())
    {
        m_offset_to_chunk_size.erase (pos);
        success = true;
    }
    LogSP log (GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_VERBOSE));
    if (log)
        log->Printf ("AllocatedBlock::FreeBlock (addr = 0x%16.16llx) => %i", (uint64_t)addr, success);
    return success;
}
Ejemplo n.º 19
0
kern_return_t
RegisterContextMach_x86_64::WriteGPR ()
{
    int set = GPRRegSet;
    if (!RegisterSetIsCached(set))
    {
        SetError (set, Write, -1);
        return KERN_INVALID_ARGUMENT;
    }
    LogSP log (ProcessMacOSXLog::GetLogIfAllCategoriesSet (PD_LOG_THREAD));
    if (log)
        LogGPR (log.get(), "RegisterContextMach_x86_64::WriteGPR (thread = 0x%4.4x)", GetThreadID());
    SetError (set, Write, ::thread_set_state(GetThreadID(), set, (thread_state_t)&gpr, GPRWordCount));
    SetError (set, Read, -1);
    return GetError (set, Write);
}
Ejemplo n.º 20
0
void
ProcessGDBRemoteLog::DisableLog (const char **categories, Stream *feedback_strm)
{
    LogSP log (GetLog ());
    if (log)
    {
        uint32_t flag_bits = 0;
        
        if (categories[0] != NULL)
        {
            flag_bits = log->GetMask().Get();
            for (size_t i = 0; categories[i] != NULL; ++i)
            {
                const char *arg = categories[i];
                

                if      (::strcasecmp (arg, "all")        == 0 ) flag_bits &= ~GDBR_LOG_ALL;
                else if (::strcasecmp (arg, "async")      == 0 ) flag_bits &= ~GDBR_LOG_ASYNC;
                else if (::strncasecmp (arg, "break", 5)  == 0 ) flag_bits &= ~GDBR_LOG_BREAKPOINTS;
                else if (::strncasecmp (arg, "comm", 4)   == 0 ) flag_bits &= ~GDBR_LOG_COMM;
                else if (::strcasecmp (arg, "default")    == 0 ) flag_bits &= ~GDBR_LOG_DEFAULT;
                else if (::strcasecmp (arg, "packets")    == 0 ) flag_bits &= ~GDBR_LOG_PACKETS;
                else if (::strcasecmp (arg, "memory")     == 0 ) flag_bits &= ~GDBR_LOG_MEMORY;
                else if (::strcasecmp (arg, "data-short") == 0 ) flag_bits &= ~GDBR_LOG_MEMORY_DATA_SHORT;
                else if (::strcasecmp (arg, "data-long")  == 0 ) flag_bits &= ~GDBR_LOG_MEMORY_DATA_LONG;
                else if (::strcasecmp (arg, "process")    == 0 ) flag_bits &= ~GDBR_LOG_PROCESS;
                else if (::strcasecmp (arg, "step")       == 0 ) flag_bits &= ~GDBR_LOG_STEP;
                else if (::strcasecmp (arg, "thread")     == 0 ) flag_bits &= ~GDBR_LOG_THREAD;
                else if (::strcasecmp (arg, "verbose")    == 0 ) flag_bits &= ~GDBR_LOG_VERBOSE;
                else if (::strncasecmp (arg, "watch", 5)  == 0 ) flag_bits &= ~GDBR_LOG_WATCHPOINTS;
                else
                {
                    feedback_strm->Printf("error: unrecognized log category '%s'\n", arg);
                    ListLogCategories (feedback_strm);
                }
                
            }
        }
        
        if (flag_bits == 0)
            GetLog ().reset();
        else
            log->GetMask().Reset (flag_bits);
    }
    
    return;
}
Ejemplo n.º 21
0
void
SBDebugger::Destroy (SBDebugger &debugger)
{
    LogSP log (GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    
    if (log)
    {
        SBStream sstr;
        debugger.GetDescription (sstr);
        log->Printf ("SBDebugger::Destroy () => SBDebugger(%p): %s", debugger.m_opaque_sp.get(), sstr.GetData());
    }
    
    Debugger::Destroy (debugger.m_opaque_sp);
    
    if (debugger.m_opaque_sp.get() != NULL)
        debugger.m_opaque_sp.reset();
}
Ejemplo n.º 22
0
void
SBDebugger::MemoryPressureDetected ()
{
    // Since this function can be call asynchronously, we allow it to be
    // non-mandatory. We have seen deadlocks with this function when called
    // so we need to safeguard against this until we can determine what is
    // causing the deadlocks.
    LogSP log (GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    
    const bool mandatory = false;
    if (log)
    {
        log->Printf ("SBDebugger::MemoryPressureDetected (), mandatory = %d", mandatory);
    }
    
    ModuleList::RemoveOrphanSharedModules(mandatory);
}
Ejemplo n.º 23
0
bool
CommunicationKDP::SendRequestAndGetReply (const CommandType command,
        const uint8_t request_sequence_id,
        const PacketStreamType &request_packet,
        DataExtractor &reply_packet)
{
    if (IsRunning())
    {
        LogSP log (ProcessKDPLog::GetLogIfAllCategoriesSet (KDP_LOG_PACKETS));
        if (log)
        {
            PacketStreamType log_strm;
            DumpPacket (log_strm, request_packet.GetData(), request_packet.GetSize());
            log->Printf("error: kdp running, not sending packet: %.*s", (uint32_t)log_strm.GetSize(), log_strm.GetData());
        }
        return false;
    }

    Mutex::Locker locker(m_sequence_mutex);
#ifdef LLDB_CONFIGURATION_DEBUG
    // NOTE: this only works for packets that are in native endian byte order
    assert (request_packet.GetSize() == *((uint16_t *)(request_packet.GetData() + 2)));
#endif
    if (SendRequestPacketNoLock(request_packet))
    {
        if (WaitForPacketWithTimeoutMicroSecondsNoLock (reply_packet, GetPacketTimeoutInMicroSeconds ()))
        {
            uint32_t offset = 0;
            const uint8_t reply_command = reply_packet.GetU8 (&offset);
            const uint8_t reply_sequence_id = reply_packet.GetU8 (&offset);
            if ((reply_command & eCommandTypeMask) == command)
            {
                if (request_sequence_id == reply_sequence_id)
                {
                    if (command == KDP_RESUMECPUS)
                        m_is_running.SetValue(true, eBroadcastAlways);
                    return true;
                }
            }
        }
    }
    reply_packet.Clear();
    return false;
}
Ejemplo n.º 24
0
bool
AllocatedMemoryCache::DeallocateMemory (lldb::addr_t addr)
{
    Mutex::Locker locker (m_mutex);

    PermissionsToBlockMap::iterator pos, end = m_memory_map.end();
    bool success = false;
    for (pos = m_memory_map.begin(); pos != end; ++pos)
    {
        if (pos->second->Contains (addr))
        {
            success = pos->second->FreeBlock (addr);
            break;
        }
    }
    LogSP log (GetLogIfAllCategoriesSet (LIBLLDB_LOG_PROCESS));
    if (log)
        log->Printf("AllocatedMemoryCache::DeallocateMemory (addr = 0x%16.16llx) => %i", (uint64_t)addr, success);
    return success;
}
Ejemplo n.º 25
0
DWARFDebugAranges &
DWARFDebugInfo::GetCompileUnitAranges ()
{
    if (m_cu_aranges_ap.get() == NULL && m_dwarf2Data)
    {
        LogSP log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_ARANGES));

        m_cu_aranges_ap.reset (new DWARFDebugAranges());
        const DataExtractor &debug_aranges_data = m_dwarf2Data->get_debug_aranges_data();
        if (debug_aranges_data.GetByteSize() > 0)
        {
            if (log)
                log->Printf ("DWARFDebugInfo::GetCompileUnitAranges() for \"%s/%s\" from .debug_aranges", 
                             m_dwarf2Data->GetObjectFile()->GetFileSpec().GetDirectory().GetCString(),
                             m_dwarf2Data->GetObjectFile()->GetFileSpec().GetFilename().GetCString());
            m_cu_aranges_ap->Extract (debug_aranges_data);
            
        }
        else
        {
            if (log)
                log->Printf ("DWARFDebugInfo::GetCompileUnitAranges() for \"%s/%s\" by parsing", 
                             m_dwarf2Data->GetObjectFile()->GetFileSpec().GetDirectory().GetCString(),
                             m_dwarf2Data->GetObjectFile()->GetFileSpec().GetFilename().GetCString());
            const uint32_t num_compile_units = GetNumCompileUnits();
            uint32_t idx;
            const bool clear_dies_if_already_not_parsed = true;
            for (idx = 0; idx < num_compile_units; ++idx)
            {
                DWARFCompileUnit* cu = GetCompileUnitAtIndex(idx);
                if (cu)
                    cu->BuildAddressRangeTable (m_dwarf2Data, m_cu_aranges_ap.get(), clear_dies_if_already_not_parsed);
            }
        }

        const bool minimize = true;
        m_cu_aranges_ap->Sort (minimize);
    }
    return *m_cu_aranges_ap.get();
}
Ejemplo n.º 26
0
const DWARFDebugAranges &
DWARFCompileUnit::GetFunctionAranges ()
{
    if (m_func_aranges_ap.get() == NULL)
    {
        m_func_aranges_ap.reset (new DWARFDebugAranges());
        LogSP log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_ARANGES));

        if (log)
        {
            m_dwarf2Data->GetObjectFile()->GetModule()->LogMessage (log.get(), 
                                                                    "DWARFCompileUnit::GetFunctionAranges() for compile unit at .debug_info[0x%8.8x]",
                                                                    GetOffset());
        }
        const DWARFDebugInfoEntry* die = DIE();
        if (die)
            die->BuildFunctionAddressRangeTable (m_dwarf2Data, this, m_func_aranges_ap.get());
        const bool minimize = false;
        m_func_aranges_ap->Sort(minimize);
    }
    return *m_func_aranges_ap.get();
}
Ejemplo n.º 27
0
void
POSIXThread::Notify(const ProcessMessage &message)
{
    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
    if (log)
        log->Printf ("POSIXThread::%s () message kind = '%s'", __FUNCTION__, message.PrintKind());

    switch (message.GetKind())
    {
    default:
        assert(false && "Unexpected message kind!");
        break;

    case ProcessMessage::eLimboMessage:
        LimboNotify(message);
        break;
        
    case ProcessMessage::eSignalMessage:
        SignalNotify(message);
        break;

    case ProcessMessage::eSignalDeliveredMessage:
        SignalDeliveredNotify(message);
        break;

    case ProcessMessage::eTraceMessage:
        TraceNotify(message);
        break;

    case ProcessMessage::eBreakpointMessage:
        BreakNotify(message);
        break;

    case ProcessMessage::eCrashMessage:
        CrashNotify(message);
        break;
    }
}
Ejemplo n.º 28
0
lldb::RegisterContextSP
POSIXThread::CreateRegisterContextForFrame(lldb_private::StackFrame *frame)
{
    lldb::RegisterContextSP reg_ctx_sp;
    uint32_t concrete_frame_idx = 0;

    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
    if (log && log->GetMask().Test(POSIX_LOG_VERBOSE))
        log->Printf ("POSIXThread::%s ()", __FUNCTION__);

    if (frame)
        concrete_frame_idx = frame->GetConcreteFrameIndex();

    if (concrete_frame_idx == 0)
        reg_ctx_sp = GetRegisterContext();
    else
    {
        assert(GetUnwinder());
        reg_ctx_sp = GetUnwinder()->CreateRegisterContextForFrame(frame);
    }

    return reg_ctx_sp;
}
Ejemplo n.º 29
0
extern long
PtraceWrapper(int req, ::pid_t pid, void *addr, int data,
              const char* reqName, const char* file, int line)
{
    long int result;

    LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_PTRACE));

    if (log) {
        log->Printf("ptrace(%s, %u, %p, %x) called from file %s line %d",
                    reqName, pid, addr, data, file, line);
        if (req == PT_IO) {
            struct ptrace_io_desc *pi = (struct ptrace_io_desc *) addr;
            
            log->Printf("PT_IO: op=%s offs=%zx size=%ld",
                     Get_PT_IO_OP(pi->piod_op),  pi->piod_offs, pi->piod_len);
        }
    }

    //PtraceDisplayBytes(req, data);

    errno = 0;
    result = ptrace(req, pid, (caddr_t) addr, data);

    //PtraceDisplayBytes(req, data);

    if (log && (result == -1 || errno != 0))
    {
        const char* str;
        switch (errno)
        {
        case ESRCH:  str = "ESRCH"; break;
        case EINVAL: str = "EINVAL"; break;
        case EBUSY:  str = "EBUSY"; break;
        case EPERM:  str = "EPERM"; break;
        default:     str = "<unknown>";
        }
        log->Printf("ptrace() failed; errno=%d (%s)", errno, str);
    }

    if (log) {
        if (req == PT_GETREGS) {
            struct reg *r = (struct reg *) addr;

            log->Printf("PT_GETREGS: ip=0x%lx", r->r_rip);
            log->Printf("PT_GETREGS: sp=0x%lx", r->r_rsp);
            log->Printf("PT_GETREGS: bp=0x%lx", r->r_rbp);
            log->Printf("PT_GETREGS: ax=0x%lx", r->r_rax);
        }
    }
     
    return result;
}
Ejemplo n.º 30
0
void
ModuleList::LogUUIDAndPaths (LogSP &log_sp, const char *prefix_cstr)
{
    if (log_sp)
    {   
        Mutex::Locker locker(m_modules_mutex);
        char uuid_cstr[256];
        collection::const_iterator pos, begin = m_modules.begin(), end = m_modules.end();
        for (pos = begin; pos != end; ++pos)
        {
            Module *module = pos->get();
            module->GetUUID().GetAsCString (uuid_cstr, sizeof(uuid_cstr));
            const FileSpec &module_file_spec = module->GetFileSpec();
            log_sp->Printf ("%s[%u] %s (%s) \"%s/%s\"", 
                            prefix_cstr ? prefix_cstr : "",
                            (uint32_t)std::distance (begin, pos),
                            uuid_cstr,
                            module->GetArchitecture().GetArchitectureName(),
                            module_file_spec.GetDirectory().GetCString(),
                            module_file_spec.GetFilename().GetCString());
        }
    }
}