Exemplo n.º 1
0
size_t
SBProcess::ReadMemory (addr_t addr, void *dst, size_t dst_len, SBError &sb_error)
{
    LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));

    size_t bytes_read = 0;

    if (log)
    {
        log->Printf ("SBProcess(%p)::ReadMemory (addr=0x%llx, dst=%p, dst_len=%zu, SBError (%p))...",
                     m_opaque_sp.get(), 
                     addr, 
                     dst, 
                     (uint32_t) dst_len, 
                     sb_error.get());
    }

    if (m_opaque_sp)
    {
        Error error;
        Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
        bytes_read = m_opaque_sp->ReadMemory (addr, dst, dst_len, error);
        sb_error.SetError (error);
    }
    else
    {
        sb_error.SetErrorString ("SBProcess is invalid");
    }

    if (log)
    {
        SBStream sstr;
        sb_error.GetDescription (sstr);
        log->Printf ("SBProcess(%p)::ReadMemory (addr=0x%llx, dst=%p, dst_len=%zu, SBError (%p): %s) => %d", 
                     m_opaque_sp.get(), 
                     addr, 
                     dst, 
                     (uint32_t) dst_len, 
                     sb_error.get(), 
                     sstr.GetData(),
                     (uint32_t) bytes_read);
    }

    return bytes_read;
}
Exemplo n.º 2
0
size_t
SBProcess::WriteMemory (addr_t addr, const void *src, size_t src_len, SBError &sb_error)
{
    size_t bytes_written = 0;

    LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    if (log)
    {
        log->Printf ("SBProcess(%p)::WriteMemory (addr=0x%llx, src=%p, dst_len=%zu, SBError (%p))...",
                     m_opaque_sp.get(), 
                     addr, 
                     src, 
                     (uint32_t) src_len, 
                     sb_error.get());
    }

    if (m_opaque_sp)
    {
        Error error;
        Mutex::Locker api_locker (m_opaque_sp->GetTarget().GetAPIMutex());
        bytes_written = m_opaque_sp->WriteMemory (addr, src, src_len, error);
        sb_error.SetError (error);
    }

    if (log)
    {
        SBStream sstr;
        sb_error.GetDescription (sstr);
        log->Printf ("SBProcess(%p)::WriteMemory (addr=0x%llx, src=%p, dst_len=%zu, SBError (%p): %s) => %d", 
                     m_opaque_sp.get(), 
                     addr, 
                     src, 
                     (uint32_t) src_len, 
                     sb_error.get(), 
                     sstr.GetData(),
                     (uint32_t) bytes_written);
    }

    return bytes_written;
}
Exemplo n.º 3
0
lldb::SBWatchpoint
SBValue::Watch (bool resolve_location, bool read, bool write, SBError &error)
{
    SBWatchpoint sb_watchpoint;
    
    // If the SBValue is not valid, there's no point in even trying to watch it.
    ValueLocker locker;
    lldb::ValueObjectSP value_sp(GetSP(locker));
    TargetSP target_sp (GetTarget().GetSP());
    if (value_sp && target_sp)
    {
        // Read and Write cannot both be false.
        if (!read && !write)
            return sb_watchpoint;
        
        // If the value is not in scope, don't try and watch and invalid value
        if (!IsInScope())
            return sb_watchpoint;
        
        addr_t addr = GetLoadAddress();
        if (addr == LLDB_INVALID_ADDRESS)
            return sb_watchpoint;
        size_t byte_size = GetByteSize();
        if (byte_size == 0)
            return sb_watchpoint;
                
        uint32_t watch_type = 0;
        if (read)
            watch_type |= LLDB_WATCH_TYPE_READ;
        if (write)
            watch_type |= LLDB_WATCH_TYPE_WRITE;
        
        Error rc;
        ClangASTType type (value_sp->GetClangType());
        WatchpointSP watchpoint_sp = target_sp->CreateWatchpoint(addr, byte_size, &type, watch_type, rc);
        error.SetError(rc);
                
        if (watchpoint_sp) 
        {
            sb_watchpoint.SetSP (watchpoint_sp);
            Declaration decl;
            if (value_sp->GetDeclaration (decl))
            {
                if (decl.GetFile()) 
                {
                    StreamString ss;
                    // True to show fullpath for declaration file.
                    decl.DumpStopContext(&ss, true);
                    watchpoint_sp->SetDeclInfo(ss.GetString());
                }
            }
        }
    }
    else if (target_sp)
    {
        Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
        if (log)
            log->Printf ("SBValue(%p)::Watch() => error getting SBValue: %s", value_sp.get(), locker.GetError().AsCString());
        
        error.SetErrorStringWithFormat("could not get SBValue: %s", locker.GetError().AsCString());
    }
    else
    {
        Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
        if (log)
            log->Printf ("SBValue(%p)::Watch() => error getting SBValue: no target", value_sp.get());
        error.SetErrorString("could not set watchpoint, a target is required");
    }
    
    return sb_watchpoint;
}