I would be probably best to just step through it and see why it is incorrectly returning. We know it is broken. We should also add a test for this so we don't regress again.
Greg > On Feb 13, 2017, at 10:19 AM, Roman Popov <ripo...@gmail.com> wrote: > > Yes Greg, this was my expectation that it should not return until stops on > break-point. But I had to downgrade sequentially from 5.0 to 4.0 to 3.9 to > make it work as expected. > > Can I get some diagnostics? Any log files? > > 2017-02-13 20:11 GMT+03:00 Greg Clayton <gclay...@apple.com > <mailto:gclay...@apple.com>>: > The example code is: > > #!/usr/bin/python > > import lldb > import os > > def disassemble_instructions(insts): > for i in insts: > print i > > # Set the path to the executable to debug > exe = "./a.out" > > # Create a new debugger instance > debugger = lldb.SBDebugger.Create() > > # When we step or continue, don't return from the function until the process > # stops. Otherwise we would have to handle the process events ourselves > which, while doable is > #a little tricky. 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'" % exe > > target = debugger.CreateTargetWithFileAndArch (exe, lldb.LLDB_ARCH_DEFAULT) > > if target: > # If the target is valid set a breakpoint at main > main_bp = target.BreakpointCreateByName ("main", > target.GetExecutable().GetFilename()); > > print main_bp > > # Launch the process. Since we specified synchronous mode, we won't return > # from this function until we hit the breakpoint at main > process = target.LaunchSimple (None, None, os.getcwd()) > > # Make sure the launch went ok > if process: > # Print some simple process info > state = process.GetState () > print process > if state == lldb.eStateStopped: > # Get the first thread > thread = process.GetThreadAtIndex (0) > if thread: > # Print some simple thread info > print thread > # Get the first frame > frame = thread.GetFrameAtIndex (0) > if frame: > # Print some simple frame info > print frame > function = frame.GetFunction() > # See if we have debug info (a function) > if function: > # We do have a function, print some info for the > function > print function > # 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: > # We do have a symbol, print some info for the > symbol > print symbol > > We set the async mode to false, so target.LaunchSimple() should not return > until the process is stopped or exited. Note in your example it is returning > with "state = launching", so this is what is failing. For some reason > synchronous mode is not being obeyed. > > Greg > >> On Feb 11, 2017, at 10:07 AM, Roman Popov via lldb-dev >> <lldb-dev@lists.llvm.org <mailto:lldb-dev@lists.llvm.org>> wrote: >> >> I'm testing example from https://lldb.llvm.org/python-reference.html >> <https://lldb.llvm.org/python-reference.html> (USING THE LLDB.PY MODULE IN >> PYTHON) on Ubuntu 16.04 >> >> For some reason it works only with LLDB 3.9, is it because LLDB 4.0/5.0 are >> not stable yet? >> >> #5.0 -- Does not work >> deb http://apt.llvm.org/xenial/ <http://apt.llvm.org/xenial/> >> llvm-toolchain-xenial main >> # 3.9 -- Works >> deb http://apt.llvm.org/xenial/ <http://apt.llvm.org/xenial/> >> llvm-toolchain-xenial-3.9 main >> # 4.0 -- Does not work >> deb http://apt.llvm.org/xenial/ <http://apt.llvm.org/xenial/> >> llvm-toolchain-xenial-4.0 main >> >> >clang-5.0 -g test.cpp >> >./python_example.py >> Creating a target for './a.out' >> SBBreakpoint: id = 1, name = 'main', locations = 1 >> SBProcess: pid = 0, state = launching, threads = 0, executable = a.out >> Thanks, >> Roman >> _______________________________________________ >> lldb-dev mailing list >> lldb-dev@lists.llvm.org <mailto:lldb-dev@lists.llvm.org> >> http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev >> <http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev> > >
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