1 files changed, 170 insertions, 0 deletions
diff --git a/lldb/source/Commands/CommandObjectFile.cpp b/lldb/source/Commands/CommandObjectFile.cpp
new file mode 100644
index 00000000000..01576c5b6d5
--- /dev/null
+++ b/lldb/source/Commands/CommandObjectFile.cpp
@@ -0,0 +1,170 @@
+//===-- CommandObjectFile.cpp -----------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "CommandObjectFile.h"
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Core/Args.h"
+#include "lldb/Core/Debugger.h"
+#include "lldb/Core/Timer.h"
+#include "lldb/Interpreter/CommandContext.h"
+#include "lldb/Interpreter/CommandInterpreter.h"
+#include "lldb/Interpreter/CommandReturnObject.h"
+#include "lldb/Target/Process.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+CommandObjectFile::CommandOptions::CommandOptions() :
+    Options (),
+    m_arch ()  // Breakpoint info defaults to brief descriptions
+{
+    BuildValidOptionSets();
+}
+
+CommandObjectFile::CommandOptions::~CommandOptions ()
+{
+}
+
+lldb::OptionDefinition
+CommandObjectFile::CommandOptions::g_option_table[] =
+{
+    { 0, false, "arch", 'a', required_argument, NULL, 0, "<arch>", "Specify the architecture to launch."},
+    { 0, false, NULL, 0, 0, NULL, 0, NULL, NULL }
+};
+
+const lldb::OptionDefinition *
+CommandObjectFile::CommandOptions::GetDefinitions ()
+{
+    return g_option_table;
+}
+
+Error
+CommandObjectFile::CommandOptions::SetOptionValue (int option_idx, const char *option_arg)
+{
+    Error error;
+    char short_option = (char) m_getopt_table[option_idx].val;
+
+    switch (short_option)
+    {
+        case 'a':
+            {
+                ArchSpec option_arch (option_arg);
+                if (option_arch.IsValid())
+                    m_arch = option_arch;
+                else
+                    error.SetErrorStringWithFormat ("Invalid arch string '%s'.\n", optarg);
+            }
+            break;
+
+        default:
+            error.SetErrorStringWithFormat ("Unrecognized option '%c'.\n", short_option);
+            break;
+    }
+
+    return error;
+}
+
+void
+CommandObjectFile::CommandOptions::ResetOptionValues ()
+{
+    Options::ResetOptionValues();
+    m_arch.Clear();
+}
+
+//-------------------------------------------------------------------------
+// CommandObjectFile
+//-------------------------------------------------------------------------
+
+CommandObjectFile::CommandObjectFile() :
+    CommandObject ("file",
+                   "Sets the file to be used as the main executable by the debugger.",
+                   "file [<cmd-options>] <filename>")
+{
+}
+
+CommandObjectFile::~CommandObjectFile ()
+{
+}
+
+Options *
+CommandObjectFile::GetOptions ()
+{
+    return &m_options;
+}
+
+bool
+CommandObjectFile::Execute
+(
+    Args& command,
+    CommandContext *context,
+    CommandInterpreter *interpreter,
+    CommandReturnObject &result
+)
+{
+    const char *file_path = command.GetArgumentAtIndex(0);
+    Timer scoped_timer(__PRETTY_FUNCTION__, "(dbg) file '%s'", file_path);
+    const int argc = command.GetArgumentCount();
+    if (argc == 1)
+    {
+        FileSpec file_spec (file_path);
+
+        if (! file_spec.Exists())
+        {
+            result.AppendErrorWithFormat ("File '%s' does not exist.\n", file_path);
+            result.SetStatus (eReturnStatusFailed);
+            return result.Succeeded();
+        }
+
+        TargetSP target_sp;
+
+        ArchSpec arch;
+        if (m_options.m_arch.IsValid())
+            arch = m_options.m_arch;
+        else
+        {
+            arch = lldb_private::GetDefaultArchitecture ();
+            if (!arch.IsValid())
+                arch = LLDB_ARCH_DEFAULT;
+        }
+
+        Error error = Debugger::GetSharedInstance().GetTargetList().CreateTarget (file_spec, arch, NULL, true, target_sp);
+
+        if (error.Fail() && !m_options.m_arch.IsValid())
+        {
+            if (arch == LLDB_ARCH_DEFAULT_32BIT)
+                arch = LLDB_ARCH_DEFAULT_64BIT;
+            else
+                arch = LLDB_ARCH_DEFAULT_32BIT;
+            error = Debugger::GetSharedInstance().GetTargetList().CreateTarget (file_spec, arch, NULL, true, target_sp);
+        }
+
+        if (target_sp)
+        {
+            Debugger::GetSharedInstance().GetTargetList().SetCurrentTarget(target_sp.get());
+            result.AppendMessageWithFormat ("Current executable set to '%s' (%s).\n", file_path, arch.AsCString());
+            result.SetStatus (eReturnStatusSuccessFinishNoResult);
+        }
+        else
+        {
+            result.AppendError(error.AsCString());
+            result.SetStatus (eReturnStatusFailed);
+        }
+    }
+    else
+    {
+        result.AppendErrorWithFormat("'%s' takes exactly one executable path argument.\n", m_cmd_name.c_str());
+        result.SetStatus (eReturnStatusFailed);
+    }
+    return result.Succeeded();
+
+}