Imported Upstream version 4.3.2.467

Former-commit-id: 9c2cb47f45fa221e661ab616387c9cda183f283d

data/lldb/monobt.py

@@ -0,0 +1,56 @@
+import lldb
+
+def print_frames(thread, num_frames, current_thread):
+    # TODO: Make output header similar to bt.
+    print '%c thread #%i' % ('*' if current_thread else ' ', thread.idx)
+
+    if current_thread:
+        selected_frame = thread.GetSelectedFrame()
+
+    for frame in thread.frames[:+num_frames]:
+        pc = str(frame.addr)
+        fmt = '  %c %s'
+        var = frame
+        if pc[0] == '0':
+            try:
+                framestr = frame.EvaluateExpression('(char*)mono_pmip((void*)%s)' % pc).summary[1:-1]
+                var = 'frame #%i: %s%s' % (frame.idx, pc, framestr)
+            except:
+                pass
+
+        print fmt % ('*' if current_thread and frame.idx == selected_frame.idx else ' ', var)
+
+def monobt(debugger, command, result, dict):
+    opts = {'all_bt': False, 'num_frames': None}
+
+    if command == 'all':
+        opts['all_bt'] = True
+    elif command.isdigit():
+        opts['num_frames'] = int(command)
+    elif command != '':
+        print 'error: monobt [<number>|all]'
+        return
+
+    target = debugger.GetSelectedTarget()
+    process = target.process
+
+    if not process.IsValid():
+        print 'error: invalid process'
+        return
+
+    if opts['all_bt']:
+        for thread in process.threads:
+            print_frames(thread, len(thread), process.selected_thread == thread)
+            print ''
+    else:
+        thread = process.selected_thread
+        num_frames = len(thread) if opts['num_frames'] is None else opts['num_frames']
+        print_frames(thread, num_frames, True)
+
+    return None
+
+def __lldb_init_module (debugger, dict):
+    # This initializer is being run from LLDB in the embedded command interpreter
+    # Add any commands contained in this module to LLDB
+    debugger.HandleCommand('command script add -f monobt.monobt monobt')
+    print '"monobt" command installed'