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-rwxr-xr-xutils/CollectDebugInfoUsingLLDB.py182
1 files changed, 0 insertions, 182 deletions
diff --git a/utils/CollectDebugInfoUsingLLDB.py b/utils/CollectDebugInfoUsingLLDB.py
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index 4dbd19a..0000000
--- a/utils/CollectDebugInfoUsingLLDB.py
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@@ -1,182 +0,0 @@
-#!/usr/bin/python
-
-#----------------------------------------------------------------------
-#
-# Be sure to add the python path that points to the LLDB shared library.
-# On MacOSX csh, tcsh:
-# setenv PYTHONPATH /Developer/Library/PrivateFrameworks/LLDB.framework/Resources/Python
-# On MacOSX sh, bash:
-# export PYTHONPATH=/Developer/Library/PrivateFrameworks/LLDB.framework/Resources/Python
-#
-# This script collect debugging information using LLDB. This script is
-# used by TEST=dbg in llvm testsuite to measure quality of debug info in
-# optimized builds.
-#
-# Usage:
-# export PYTHONPATH=...
-# ./CollectDebugInfUsingLLDB.py program bp_file out_file
-# program - Executable program with debug info.
-# bp_file - Simple text file listing breakpoints.
-# <absolute file name> <line number>
-# out_file - Output file where the debug info will be emitted.
-#----------------------------------------------------------------------
-
-import lldb
-import os
-import sys
-import time
-
-# AlreadyPrintedValues - A place to keep track of recursive values.
-AlreadyPrintedValues = {}
-
-# ISAlreadyPrinted - Return true if value is already printed.
-def IsAlreadyPrinted(value_name):
- if AlreadyPrintedValues.get(value_name) is None:
- AlreadyPrintedValues[value_name] = 1
- return False
- return True
-
-
-# print_var_value - Print a variable's value.
-def print_var_value (v, file, frame):
- if v.IsValid() == False:
- return
- if IsAlreadyPrinted(v.GetName()):
- return
- total_children = v.GetNumChildren()
- if total_children > 0:
- c = 0
- while (c < total_children) :
- child = v.GetChildAtIndex(c)
- if child is None:
- file.write("None")
- else:
- if (child.GetName()) is None:
- file.write("None")
- else:
- file.write(child.GetName())
- file.write('=')
- print_var_value(child, file, frame)
- file.write(',')
- c = c + 1
- else:
- if v.GetValue(frame) is None:
- file.write("None")
- else:
- file.write(v.GetValue(frame))
-
-# print_vars - Print variable values in output file.
-def print_vars (tag, vars, fname, line, file, frame, target, thread):
- # disable this thread.
- count = thread.GetStopReasonDataCount()
- bid = 0
- tid = 0
- for i in range(count):
- id = thread.GetStopReasonDataAtIndex(i)
- bp = target.FindBreakpointByID(id)
- if bp.IsValid():
- if bp.IsEnabled() == True:
- bid = bp.GetID()
- tid = bp.GetThreadID()
- bp.SetEnabled(False)
- else:
- bp_loc = bp.FindLocationByID(thread.GetStopReasonDataAtIndex(i+1))
- if bp_loc.IsValid():
- bid = bp_loc.GetBreakPoint().GetID()
- tid = bp_loc.ThreadGetID()
- bp_loc.SetEnabled(False);
-
- for i in range(vars.GetSize()):
- v = vars.GetValueAtIndex(i)
- if v.GetName() is not None:
- file.write(tag)
- file.write(fname)
- file.write(':')
- file.write(str(line))
- file.write(' ')
- file.write(str(tid))
- file.write(':')
- file.write(str(bid))
- file.write(' ')
- file.write(v.GetName())
- file.write(' ')
- AlreadyPrintedValues.clear()
- print_var_value (v, file, frame)
- file.write('\n')
-
-# set_breakpoints - set breakpoints as listed in input file.
-def set_breakpoints (target, breakpoint_filename, file):
- f = open(breakpoint_filename, "r")
- lines = f.readlines()
- for l in range(len(lines)):
- c = lines[l].split()
- # print "setting break point - ", c
- bp = target.BreakpointCreateByLocation (str(c[0]), int(c[1]))
- file.write("#Breakpoint ")
- file.write(str(c[0]))
- file.write(':')
- file.write(str(c[1]))
- file.write(' ')
- file.write(str(bp.GetThreadID()))
- file.write(':')
- file.write(str(bp.GetID()))
- file.write('\n')
- f.close()
-
-# stopeed_at_breakpoint - Return True if process is stopeed at a
-# breakpoint.
-def stopped_at_breakpoint (process):
- if process.IsValid():
- state = process.GetState()
- if state == lldb.eStateStopped:
- thread = process.GetThreadAtIndex(0)
- if thread.IsValid():
- if thread.GetStopReason() == lldb.eStopReasonBreakpoint:
- return True
- return False
-
-# Create a new debugger instance
-debugger = lldb.SBDebugger.Create()
-
-# When we step or continue, don't return from the function until the process
-# stops. We do this by setting the async mode to false.
-debugger.SetAsync (False)
-
-# Create a target from a file and arch
-##print "Creating a target for '%s'" % sys.argv[1]
-
-target = debugger.CreateTargetWithFileAndArch (sys.argv[1], lldb.LLDB_ARCH_DEFAULT)
-
-if target.IsValid():
- #print "target is valid"
- file=open(str(sys.argv[3]), 'w')
- set_breakpoints (target, sys.argv[2], file)
-
- # Launch the process. Since we specified synchronous mode, we won't return
- # from this function until we hit the breakpoint at main
- sberror = lldb.SBError()
- process = target.Launch (None, None, os.ctermid(), os.ctermid(), os.ctermid(), None, 0, False, sberror)
- # Make sure the launch went ok
- while stopped_at_breakpoint(process):
- thread = process.GetThreadAtIndex (0)
- frame = thread.GetFrameAtIndex (0)
- if frame.IsValid():
- # #Print some simple frame info
- ##print frame
- #print "frame is valid"
- function = frame.GetFunction()
- if function.IsValid():
- fname = function.GetMangledName()
- if fname is None:
- fname = function.GetName()
- #print "function : ",fname
- line = frame.GetLineEntry().GetLine()
- vars = frame.GetVariables(1,0,0,0)
- print_vars ("#Argument ", vars, fname, line, file, frame, target, thread)
- # vars = frame.GetVariables(0,1,0,0)
- # print_vars ("#Variables ", vars, fname, line, file, frame, target, thread)
-
- process.Continue()
- file.close()
-
-lldb.SBDebugger.Terminate()
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