1#!/usr/bin/python 2 3#---------------------------------------------------------------------- 4# Be sure to add the python path that points to the LLDB shared library. 5# On MacOSX csh, tcsh: 6# setenv PYTHONPATH /Developer/Library/PrivateFrameworks/LLDB.framework/Resources/Python 7# On MacOSX sh, bash: 8# export PYTHONPATH=/Developer/Library/PrivateFrameworks/LLDB.framework/Resources/Python 9#---------------------------------------------------------------------- 10 11import lldb 12import os 13import sys 14import time 15 16def disassemble_instructions (insts): 17 for i in insts: 18 print i 19 20# Create a new debugger instance 21debugger = lldb.SBDebugger.Create() 22 23# When we step or continue, don't return from the function until the process 24# stops. We do this by setting the async mode to false. 25debugger.SetAsync (False) 26 27# Create a target from a file and arch 28print "Creating a target for '%s'" % sys.argv[1] 29 30target = debugger.CreateTargetWithFileAndArch (sys.argv[1], lldb.LLDB_ARCH_DEFAULT) 31 32if target: 33 # If the target is valid set a breakpoint at main 34 main_bp = target.BreakpointCreateByName ("main", target.GetExecutable().GetFilename()); 35 36 print main_bp 37 38 # Launch the process. Since we specified synchronous mode, we won't return 39 # from this function until we hit the breakpoint at main 40 process = target.LaunchSimple (None, None, os.getcwd()) 41 42 # Make sure the launch went ok 43 if process: 44 # Print some simple process info 45 state = process.GetState () 46 print process 47 if state == lldb.eStateStopped: 48 # Get the first thread 49 thread = process.GetThreadAtIndex (0) 50 if thread: 51 # Print some simple thread info 52 print thread 53 # Get the first frame 54 frame = thread.GetFrameAtIndex (0) 55 if frame: 56 # Print some simple frame info 57 print frame 58 function = frame.GetFunction() 59 # See if we have debug info (a function) 60 if function: 61 # We do have a function, print some info for the function 62 print function 63 # Now get all instructions for this function and print them 64 insts = function.GetInstructions(target) 65 disassemble_instructions (insts) 66 else: 67 # See if we have a symbol in the symbol table for where we stopped 68 symbol = frame.GetSymbol(); 69 if symbol: 70 # We do have a symbol, print some info for the symbol 71 print symbol 72 # Now get all instructions for this symbol and print them 73 insts = symbol.GetInstructions(target) 74 disassemble_instructions (insts) 75 76 registerList = frame.GetRegisters() 77 print "Frame registers (size of register set = %d):" % registerList.GetSize() 78 for value in registerList: 79 #print value 80 print "%s (number of children = %d):" % (value.GetName(), value.GetNumChildren()) 81 for child in value: 82 print "Name: ", child.GetName(), " Value: ", child.GetValue(frame) 83 84 print "Hit the breakpoint at main, continue and wait for program to exit..." 85 # Now continue to the program exit 86 process.Continue() 87 # When we return from the above function we will hopefully be at the 88 # program exit. Print out some process info 89 print process 90 elif state == lldb.eStateExited: 91 print "Didn't hit the breakpoint at main, program has exited..." 92 else: 93 print "Unexpected process state: %s, killing process..." % debugger.StateAsCString (state) 94 process.Kill() 95 96 97 98lldb.SBDebugger.Terminate() 99