[Lldb-commits] [lldb] r171854 - in /lldb/trunk: source/Plugins/Process/FreeBSD/ProcessMonitor.cpp source/Plugins/Process/FreeBSD/ProcessMonitor.h source/Plugins/Process/Linux/ProcessMonitor.cpp source/Plugins/Process/Linux/ProcessMonitor.h source/Plugins/Process/POSIX/ProcessPOSIX.cpp test/functionalities/process_launch/TestProcessLaunch.py

Daniel Malea daniel.malea at intel.com
Tue Jan 8 06:49:23 PST 2013


Author: dmalea
Date: Tue Jan  8 08:49:22 2013
New Revision: 171854

URL: http://llvm.org/viewvc/llvm-project?rev=171854&view=rev
Log:
Implement -w flag to process launch (allow launching inferior process in different working directory) on Linux/FreeBSD
- fixes test case TestProcessLaunch


Modified:
    lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.cpp
    lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.h
    lldb/trunk/source/Plugins/Process/Linux/ProcessMonitor.cpp
    lldb/trunk/source/Plugins/Process/Linux/ProcessMonitor.h
    lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIX.cpp
    lldb/trunk/test/functionalities/process_launch/TestProcessLaunch.py

Modified: lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.cpp?rev=171854&r1=171853&r2=171854&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.cpp (original)
+++ lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.cpp Tue Jan  8 08:49:22 2013
@@ -627,14 +627,16 @@
                                        char const **envp,
                                        const char *stdin_path,
                                        const char *stdout_path,
-                                       const char *stderr_path)
+                                       const char *stderr_path,
+                                       const char *working_dir)
     : OperationArgs(monitor),
       m_module(module),
       m_argv(argv),
       m_envp(envp),
       m_stdin_path(stdin_path),
       m_stdout_path(stdout_path),
-      m_stderr_path(stderr_path) { }
+      m_stderr_path(stderr_path),
+      m_working_dir(working_dir) { }
 
 ProcessMonitor::LaunchArgs::~LaunchArgs()
 { }
@@ -665,6 +667,7 @@
                                const char *stdin_path,
                                const char *stdout_path,
                                const char *stderr_path,
+                               const char *working_dir,
                                lldb_private::Error &error)
     : m_process(static_cast<ProcessFreeBSD *>(process)),
       m_operation_thread(LLDB_INVALID_HOST_THREAD),
@@ -678,7 +681,7 @@
     std::auto_ptr<LaunchArgs> args;
 
     args.reset(new LaunchArgs(this, module, argv, envp,
-                              stdin_path, stdout_path, stderr_path));
+                              stdin_path, stdout_path, stderr_path, working_dir));
     
 
     // Server/client descriptors.
@@ -839,6 +842,7 @@
     const char *stdin_path = args->m_stdin_path;
     const char *stdout_path = args->m_stdout_path;
     const char *stderr_path = args->m_stderr_path;
+    const char *working_dir = args->m_working_dir;
     lldb::pid_t pid;
 
     lldb::ThreadSP inferior;
@@ -853,6 +857,7 @@
         eDupStdinFailed,
         eDupStdoutFailed,
         eDupStderrFailed,
+        eChdirFailed,
         eExecFailed
     };
 
@@ -887,6 +892,11 @@
             if (!DupDescriptor(stderr_path, STDERR_FILENO, O_WRONLY | O_CREAT))
                 exit(eDupStderrFailed);
 
+        // Change working directory
+        if (working_dir != NULL && working_dir[0])
+          if (0 != ::chdir(working_dir))
+              exit(eChdirFailed);
+
         // Execute.  We should never return.
         execve(argv[0],
                const_cast<char *const *>(argv),
@@ -920,6 +930,9 @@
             case eDupStderrFailed: 
                 args->m_error.SetErrorString("Child open stderr failed.");
                 break;
+            case eChdirFailed:
+                args->m_error.SetErrorString("Child failed to set working directory.");
+                break;
             case eExecFailed: 
                 args->m_error.SetErrorString("Child exec failed.");
                 break;

Modified: lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.h?rev=171854&r1=171853&r2=171854&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.h (original)
+++ lldb/trunk/source/Plugins/Process/FreeBSD/ProcessMonitor.h Tue Jan  8 08:49:22 2013
@@ -54,6 +54,7 @@
                    const char *stdin_path,
                    const char *stdout_path,
                    const char *stderr_path,
+                   const char *working_dir,
                    lldb_private::Error &error);
 
     ProcessMonitor(ProcessPOSIX *process,
@@ -210,7 +211,8 @@
                    char const **envp,
                    const char *stdin_path,
                    const char *stdout_path,
-                   const char *stderr_path);
+                   const char *stderr_path,
+                   const char *working_dir);
 
         ~LaunchArgs();
 
@@ -220,6 +222,7 @@
         const char *m_stdin_path;       // Redirect stdin or NULL.
         const char *m_stdout_path;      // Redirect stdout or NULL.
         const char *m_stderr_path;      // Redirect stderr or NULL.
+        const char *m_working_dir;      // Working directory or NULL.
     };
 
     void

Modified: lldb/trunk/source/Plugins/Process/Linux/ProcessMonitor.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/Linux/ProcessMonitor.cpp?rev=171854&r1=171853&r2=171854&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/Linux/ProcessMonitor.cpp (original)
+++ lldb/trunk/source/Plugins/Process/Linux/ProcessMonitor.cpp Tue Jan  8 08:49:22 2013
@@ -780,14 +780,16 @@
                                        char const **envp,
                                        const char *stdin_path,
                                        const char *stdout_path,
-                                       const char *stderr_path)
+                                       const char *stderr_path,
+                                       const char *working_dir)
     : OperationArgs(monitor),
       m_module(module),
       m_argv(argv),
       m_envp(envp),
       m_stdin_path(stdin_path),
       m_stdout_path(stdout_path),
-      m_stderr_path(stderr_path) { }
+      m_stderr_path(stderr_path),
+      m_working_dir(working_dir) { }
 
 ProcessMonitor::LaunchArgs::~LaunchArgs()
 { }
@@ -818,6 +820,7 @@
                                const char *stdin_path,
                                const char *stdout_path,
                                const char *stderr_path,
+                               const char *working_dir,
                                lldb_private::Error &error)
     : m_process(static_cast<ProcessLinux *>(process)),
       m_operation_thread(LLDB_INVALID_HOST_THREAD),
@@ -830,7 +833,7 @@
     std::auto_ptr<LaunchArgs> args;
 
     args.reset(new LaunchArgs(this, module, argv, envp,
-                              stdin_path, stdout_path, stderr_path));
+                              stdin_path, stdout_path, stderr_path, working_dir));
 
     // Server/client descriptors.
     if (!EnableIPC())
@@ -976,6 +979,7 @@
     const char *stdin_path = args->m_stdin_path;
     const char *stdout_path = args->m_stdout_path;
     const char *stderr_path = args->m_stderr_path;
+    const char *working_dir = args->m_working_dir;
 
     lldb_utility::PseudoTerminal terminal;
     const size_t err_len = 1024;
@@ -1010,6 +1014,7 @@
         eDupStdinFailed,
         eDupStdoutFailed,
         eDupStderrFailed,
+        eChdirFailed,
         eExecFailed
     };
 
@@ -1042,6 +1047,11 @@
             if (!DupDescriptor(stderr_path, STDERR_FILENO, O_WRONLY | O_CREAT))
                 exit(eDupStderrFailed);
 
+        // Change working directory
+        if (working_dir != NULL && working_dir[0])
+          if (0 != ::chdir(working_dir))
+              exit(eChdirFailed);
+
         // Execute.  We should never return.
         execve(argv[0],
                const_cast<char *const *>(argv),
@@ -1075,6 +1085,9 @@
             case eDupStderrFailed:
                 args->m_error.SetErrorString("Child open stderr failed.");
                 break;
+            case eChdirFailed:
+                args->m_error.SetErrorString("Child failed to set working directory.");
+                break;
             case eExecFailed:
                 args->m_error.SetErrorString("Child exec failed.");
                 break;

Modified: lldb/trunk/source/Plugins/Process/Linux/ProcessMonitor.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/Linux/ProcessMonitor.h?rev=171854&r1=171853&r2=171854&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/Linux/ProcessMonitor.h (original)
+++ lldb/trunk/source/Plugins/Process/Linux/ProcessMonitor.h Tue Jan  8 08:49:22 2013
@@ -56,6 +56,7 @@
                    const char *stdin_path,
                    const char *stdout_path,
                    const char *stderr_path,
+                   const char *working_dir,
                    lldb_private::Error &error);
 
     ProcessMonitor(ProcessPOSIX *process,
@@ -200,7 +201,8 @@
                    char const **envp,
                    const char *stdin_path,
                    const char *stdout_path,
-                   const char *stderr_path);
+                   const char *stderr_path,
+                   const char *working_dir);
 
         ~LaunchArgs();
 
@@ -210,6 +212,7 @@
         const char *m_stdin_path;       // Redirect stdin or NULL.
         const char *m_stdout_path;      // Redirect stdout or NULL.
         const char *m_stderr_path;      // Redirect stderr or NULL.
+        const char *m_working_dir;      // Working directory or NULL.
     };
 
     void

Modified: lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIX.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIX.cpp?rev=171854&r1=171853&r2=171854&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIX.cpp (original)
+++ lldb/trunk/source/Plugins/Process/POSIX/ProcessPOSIX.cpp Tue Jan  8 08:49:22 2013
@@ -17,6 +17,7 @@
 #include "lldb/Core/Module.h"
 #include "lldb/Core/PluginManager.h"
 #include "lldb/Core/State.h"
+#include "lldb/Host/FileSpec.h"
 #include "lldb/Host/Host.h"
 #include "lldb/Symbol/ObjectFile.h"
 #include "lldb/Target/DynamicLoader.h"
@@ -162,6 +163,16 @@
     Error error;
     assert(m_monitor == NULL);
 
+    const char* working_dir = launch_info.GetWorkingDirectory();
+    if (working_dir) {
+      FileSpec WorkingDir(working_dir, true);
+      if (!WorkingDir || WorkingDir.GetFileType() != FileSpec::eFileTypeDirectory)
+      {
+          error.SetErrorStringWithFormat("No such file or directory: %s", working_dir);
+          return error;
+      }
+    }
+
     SetPrivateState(eStateLaunching);
 
     const lldb_private::ProcessLaunchInfo::FileAction *file_action;
@@ -170,7 +181,7 @@
     const char *stdin_path = NULL;
     const char *stdout_path = NULL;
     const char *stderr_path = NULL;
-    
+
     file_action = launch_info.GetFileActionForFD (STDIN_FILENO);
     stdin_path = GetFilePath(file_action, stdin_path);
 
@@ -187,6 +198,7 @@
                                     stdin_path, 
                                     stdout_path, 
                                     stderr_path,
+                                    working_dir,
                                     error);
 
     m_module = module;

Modified: lldb/trunk/test/functionalities/process_launch/TestProcessLaunch.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/functionalities/process_launch/TestProcessLaunch.py?rev=171854&r1=171853&r2=171854&view=diff
==============================================================================
--- lldb/trunk/test/functionalities/process_launch/TestProcessLaunch.py (original)
+++ lldb/trunk/test/functionalities/process_launch/TestProcessLaunch.py Tue Jan  8 08:49:22 2013
@@ -152,7 +152,7 @@
                                                                err_file_path)
 
         self.expect(launch_command, error=True,
-                startstr = "error: No such file or directory: %sz" % my_working_dir_path)
+                patterns = ["error:.* No such file or directory: %sz" % my_working_dir_path])
 
         # Really launch the process
         launch_command = "process launch -w %s -o %s -e %s" % (my_working_dir_path,





More information about the lldb-commits mailing list