[Lldb-commits] [lldb] r118308 - in /lldb/trunk: source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp tools/debugserver/source/MacOSX/MachProcess.cpp tools/debugserver/source/debugserver.cpp

Caroline Tice ctice at apple.com
Fri Nov 5 15:37:44 PDT 2010


Author: ctice
Date: Fri Nov  5 17:37:44 2010
New Revision: 118308

URL: http://llvm.org/viewvc/llvm-project?rev=118308&view=rev
Log:
If debugserver is running on the local machine, pass it a
pseudoterminal to pass to the inferior for the inferior's I/O
(to allow direct writing, rather than passing all the I/O around
via packets).


Modified:
    lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
    lldb/trunk/tools/debugserver/source/MacOSX/MachProcess.cpp
    lldb/trunk/tools/debugserver/source/debugserver.cpp

Modified: lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp?rev=118308&r1=118307&r2=118308&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp (original)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp Fri Nov  5 17:37:44 2010
@@ -1752,7 +1752,8 @@
             lldb_utility::PseudoTerminal pty;
             if (stdio_path == NULL)
             {
-                pass_stdio_path_to_debugserver = false;
+                if (! m_local_debugserver)
+                    pass_stdio_path_to_debugserver = false;
                 if (pty.OpenFirstAvailableMaster(O_RDWR|O_NOCTTY, NULL, 0))
                 {
                     struct termios stdin_termios;
@@ -1785,7 +1786,7 @@
                 {
                     debugserver_args.AppendArgument("-s");    // short for --stdio-path
                     StreamString strm;
-                    strm.Printf("'%s'", stdio_path);
+                    strm.Printf("%s", stdio_path);
                     debugserver_args.AppendArgument(strm.GetData());    // path to file to have inferior open as it's STDIO
                 }
             }
@@ -1880,19 +1881,19 @@
             if (error.Fail() || log)
                 error.PutToLog(log, "::posix_spawnp ( pid => %i, path = '%s', file_actions = %p, attr = %p, argv = %p, envp = %p )", m_debugserver_pid, debugserver_path, NULL, &attr, inferior_argv, inferior_envp);
 
-//            if (m_debugserver_pid != LLDB_INVALID_PROCESS_ID)
-//            {
-//                std::auto_ptr<ConnectionFileDescriptor> conn_ap(new ConnectionFileDescriptor (pty.ReleaseMasterFileDescriptor(), true));
-//                if (conn_ap.get())
-//                {
-//                    m_stdio_communication.SetConnection(conn_ap.release());
-//                    if (m_stdio_communication.IsConnected())
-//                    {
-//                        m_stdio_communication.SetReadThreadBytesReceivedCallback (STDIOReadThreadBytesReceived, this);
-//                        m_stdio_communication.StartReadThread();
-//                    }
-//                }
-//            }
+            if (m_debugserver_pid != LLDB_INVALID_PROCESS_ID)
+            {
+                std::auto_ptr<ConnectionFileDescriptor> conn_ap(new ConnectionFileDescriptor (pty.ReleaseMasterFileDescriptor(), true));
+                if (conn_ap.get())
+                {
+                    m_stdio_communication.SetConnection(conn_ap.release());
+                    if (m_stdio_communication.IsConnected())
+                    {
+                        m_stdio_communication.SetReadThreadBytesReceivedCallback (STDIOReadThreadBytesReceived, this);
+                        m_stdio_communication.StartReadThread();
+                    }
+                }
+            }
         }
         else
         {

Modified: lldb/trunk/tools/debugserver/source/MacOSX/MachProcess.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/tools/debugserver/source/MacOSX/MachProcess.cpp?rev=118308&r1=118307&r2=118308&view=diff
==============================================================================
--- lldb/trunk/tools/debugserver/source/MacOSX/MachProcess.cpp (original)
+++ lldb/trunk/tools/debugserver/source/MacOSX/MachProcess.cpp Fri Nov  5 17:37:44 2010
@@ -1662,17 +1662,21 @@
 
         if (stdio_path != NULL)
         {
-            err.SetError( ::posix_spawn_file_actions_addopen(&file_actions, STDERR_FILENO,  stdio_path, O_RDWR,     0), DNBError::POSIX);
+            int slave_fd_err = open (stdio_path, O_RDWR, 0);
+            int slave_fd_in = open (stdio_path, O_RDONLY, 0);
+            int slave_fd_out = open (stdio_path, O_WRONLY, 0);
+
+            err.SetError( ::posix_spawn_file_actions_adddup2(&file_actions, slave_fd_err, STDERR_FILENO), DNBError::POSIX);
             if (err.Fail() || DNBLogCheckLogBit(LOG_PROCESS))
-                err.LogThreaded("::posix_spawn_file_actions_addopen ( &file_actions, filedes = STDERR_FILENO, path = '%s', oflag = O_RDWR, mode = 0 )", stdio_path);
+                err.LogThreaded("::posix_spawn_file_actions_adddup2 ( &file_actions, filedes = %d, newfiledes = STDERR_FILENO )", slave_fd_err);
 
-            err.SetError( ::posix_spawn_file_actions_addopen(&file_actions, STDIN_FILENO,   stdio_path, O_RDONLY,   0), DNBError::POSIX);
+            err.SetError( ::posix_spawn_file_actions_adddup2(&file_actions, slave_fd_in, STDIN_FILENO), DNBError::POSIX);
             if (err.Fail() || DNBLogCheckLogBit(LOG_PROCESS))
-                err.LogThreaded("::posix_spawn_file_actions_addopen ( &file_actions, filedes = STDIN_FILENO, path = '%s', oflag = O_RDONLY, mode = 0 )", stdio_path);
+                err.LogThreaded("::posix_spawn_file_actions_adddup2 ( &file_actions, filedes = %d, newfiledes = STDIN_FILENO )", slave_fd_in);
 
-            err.SetError( ::posix_spawn_file_actions_addopen(&file_actions, STDOUT_FILENO,  stdio_path, O_WRONLY,   0), DNBError::POSIX);
+            err.SetError( ::posix_spawn_file_actions_adddup2(&file_actions, slave_fd_out, STDOUT_FILENO), DNBError::POSIX);
             if (err.Fail() || DNBLogCheckLogBit(LOG_PROCESS))
-                err.LogThreaded("::posix_spawn_file_actions_addopen ( &file_actions, filedes = STDOUT_FILENO, path = '%s', oflag = O_WRONLY, mode = 0 )", stdio_path);
+                err.LogThreaded("::posix_spawn_file_actions_adddup2 ( &file_actions, filedes = %d, newfiledes = STDOUT_FILENO )", slave_fd_out);
         }
         err.SetError( ::posix_spawnp (&pid, path, &file_actions, &attr, (char * const*)argv, (char * const*)envp), DNBError::POSIX);
         if (err.Fail() || DNBLogCheckLogBit(LOG_PROCESS))

Modified: lldb/trunk/tools/debugserver/source/debugserver.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/tools/debugserver/source/debugserver.cpp?rev=118308&r1=118307&r2=118308&view=diff
==============================================================================
--- lldb/trunk/tools/debugserver/source/debugserver.cpp (original)
+++ lldb/trunk/tools/debugserver/source/debugserver.cpp Fri Nov  5 17:37:44 2010
@@ -704,7 +704,7 @@
 
     RNBRunLoopMode start_mode = eRNBRunLoopModeExit;
 
-    while ((ch = getopt_long(argc, argv, "a:d:gi:vktl:f:w:x:r", g_long_options, &long_option_index)) != -1)
+    while ((ch = getopt_long(argc, argv, "a:d:gi:vktl:f:w:x:rs:", g_long_options, &long_option_index)) != -1)
     {
         DNBLogDebug("option: ch == %c (0x%2.2x) --%s%c%s\n",
                     ch, (uint8_t)ch,





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