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#!/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
#----------------------------------------------------------------------
import lldb
import os
import sys
import time
def disassemble_instructions (insts):
for i in range(0, insts.GetSize()):
print insts.GetInstructionAtIndex(i)
# Initialize LLDB so we can use it
lldb.SBDebugger.Initialize()
# 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
target = debugger.CreateTargetWithFileAndArch (sys.argv[1], "x86_64")
if target.IsValid():
# If the target is valid set a breakpoint at main
main_bp = target.BreakpointCreateByName ("main", sys.argv[1]);
# Launch the process. Since we specified synchronous mode, we won't return
# from this function until we hit the breakpoint at main
process = target.LaunchProcess (sys.argv[2:], [''], "/dev/stdout", 0, False)
# Make sure the launch went ok
if process.IsValid():
# Print some simple process info
print "process:", process, "\n"
# Get the first thread
thread = process.GetThreadAtIndex (0)
if thread.IsValid():
# Print some simple thread info
print "thread: ", thread
# Get the first frame
frame = thread.GetFrameAtIndex (0)
if frame.IsValid():
# Print some simple frame info
print "frame: ", frame
function = frame.GetFunction()
# See if we have debug info (a function)
if function.IsValid():
# We do have a function, print some info for the function
print "function: ", function, "\n"
# Now get all instructions for this function and print them
insts = function.GetInstructions(target)
disassemble_instructions (insts)
else:
# See if we have a symbol in the symbol table for where we stopped
symbol = frame.GetSymbol();
if symbol.IsValid():
# We do have a symbol, print some info for the symbol
print "symbol: ", symbol, "\n"
# Now get all instructions for this symbol and print them
insts = symbol.GetInstructions(target)
disassemble_instructions (insts)
# Now continue to the program exit
process.Continue()
# When we return from the above function we will hopefully be at the
# program exit. Print out some process info
print "process:", process, "\n"
lldb.SBDebugger.Terminate()
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