diff options
Diffstat (limited to 'lldb/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp')
| -rw-r--r-- | lldb/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/lldb/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp b/lldb/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp index 6be373ce9e2..c2ae2b962e5 100644 --- a/lldb/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp +++ b/lldb/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp @@ -647,8 +647,32 @@ ProcessKDP::IsAlive () size_t ProcessKDP::DoReadMemory (addr_t addr, void *buf, size_t size, Error &error) { + uint8_t *data_buffer = (uint8_t *) buf; if (m_comm.IsConnected()) - return m_comm.SendRequestReadMemory (addr, buf, size, error); + { + const size_t max_read_size = 512; + size_t total_bytes_read = 0; + + // Read the requested amount of memory in 512 byte chunks + while (total_bytes_read < size) + { + size_t bytes_to_read_this_request = size - total_bytes_read; + if (bytes_to_read_this_request > max_read_size) + { + bytes_to_read_this_request = max_read_size; + } + size_t bytes_read = m_comm.SendRequestReadMemory (addr + total_bytes_read, + data_buffer + total_bytes_read, + bytes_to_read_this_request, error); + total_bytes_read += bytes_read; + if (error.Fail() || bytes_read == 0) + { + return total_bytes_read; + } + } + + return total_bytes_read; + } error.SetErrorString ("not connected"); return 0; } |
