<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">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.<div class=""><br class=""></div><div class="">Greg</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Feb 13, 2017, at 10:19 AM, Roman Popov <<a href="mailto:ripopov@gmail.com" class="">ripopov@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">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.<div class=""><br class=""></div><div class="">Can I get some diagnostics? Any log files? </div></div><div class="gmail_extra"><br class=""><div class="gmail_quote">2017-02-13 20:11 GMT+03:00 Greg Clayton <span dir="ltr" class=""><<a href="mailto:gclayton@apple.com" target="_blank" class="">gclayton@apple.com</a>></span>:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class="">The example code is:<div class=""><br class=""></div><div class=""><pre class=""><tt class=""><font color="green" class="">#!/usr/bin/python</font>
import lldb
import os
def disassemble_instructions(<wbr class="">insts):
for i in insts:
print i
<font color="green" class=""># Set the path to the executable to debug</font>
exe = "./a.out"
<font color="green" class=""># Create a new debugger instance</font>
debugger = lldb.SBDebugger.Create()
<font color="green" class=""># 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.</font>
debugger.SetAsync (False)
<font color="green" class=""># Create a target from a file and arch</font>
print "Creating a target for '%s'" % exe
target = debugger.<wbr class="">CreateTargetWithFileAndArch (exe, lldb.LLDB_ARCH_DEFAULT)
if target:
<font color="green" class=""># If the target is valid set a breakpoint at main</font>
main_bp = target.BreakpointCreateByName ("main", target.GetExecutable().<wbr class="">GetFilename());
print main_bp
<font color="green" class=""># Launch the process. Since we specified synchronous mode, we won't return
# from this function until we hit the breakpoint at main</font>
process = target.LaunchSimple (None, None, os.getcwd())
<font color="green" class=""># Make sure the launch went ok</font>
if process:
<font color="green" class=""># Print some simple process info</font>
state = process.GetState ()
print process
if state == lldb.eStateStopped:
<font color="green" class=""># Get the first thread</font>
thread = process.GetThreadAtIndex (0)
if thread:
<font color="green" class=""># Print some simple thread info</font>
print thread
<font color="green" class=""># Get the first frame</font>
frame = thread.GetFrameAtIndex (0)
if frame:
<font color="green" class=""># Print some simple frame info</font>
print frame
function = frame.GetFunction()
<font color="green" class=""># See if we have debug info (a function)</font>
if function:
<font color="green" class=""># We do have a function, print some info for the function</font>
print function
<font color="green" class=""># Now get all instructions for this function and print them</font>
insts = function.GetInstructions(<wbr class="">target)
disassemble_instructions (insts)
else:
<font color="green" class=""># See if we have a symbol in the symbol table for where we stopped</font>
symbol = frame.GetSymbol();
if symbol:
<font color="green" class=""># We do have a symbol, print some info for the symbol</font>
print symbol</tt></pre><div class=""><br class=""></div><div class="">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.</div><div class=""><br class=""></div><div class="">Greg</div><div class=""><br class=""></div><div class=""><blockquote type="cite" class=""><div class=""><div class="h5"><div class="">On Feb 11, 2017, at 10:07 AM, Roman Popov via lldb-dev <<a href="mailto:lldb-dev@lists.llvm.org" target="_blank" class="">lldb-dev@lists.llvm.org</a>> wrote:</div><br class="m_-4638887264522284321Apple-interchange-newline"></div></div><div class=""><div class=""><div class="h5"><div dir="ltr" class=""><div class="">I'm testing example from <a href="https://lldb.llvm.org/python-reference.html" target="_blank" class="">https://lldb.llvm.org/<wbr class="">python-reference.html</a> (USING THE LLDB.PY MODULE IN PYTHON) on Ubuntu 16.04</div><div class=""><br class=""></div><div class="">For some reason it works only with LLDB 3.9, is it because LLDB 4.0/5.0 are not stable yet?</div><div class=""><br class=""></div><div class=""><pre class="">#5.0 -- Does not work</pre><pre class="">deb <a href="http://apt.llvm.org/xenial/" target="_blank" class="">http://apt.llvm.org/xenial/</a> llvm-toolchain-xenial main</pre><pre class=""># 3.9 -- Works</pre><pre class="">deb <a href="http://apt.llvm.org/xenial/" target="_blank" class="">http://apt.llvm.org/xenial/</a> llvm-toolchain-xenial-3.9 main</pre><pre class=""># 4.0 -- Does not work</pre><pre class="">deb <a href="http://apt.llvm.org/xenial/" target="_blank" class="">http://apt.llvm.org/xenial/</a> llvm-toolchain-xenial-4.0 main</pre><pre class=""><br class=""></pre><pre class=""><font class="">>clang-5.0 -g test.cpp<br class=""></font></pre><pre class=""><font class="">>./python_example.py</font></pre><pre class=""><font class="">Creating a target for './a.out'
SBBreakpoint: id = 1, name = 'main', locations = 1
SBProcess: pid = 0, state = launching, threads = 0, executable = a.out</font></pre></div>Thanks,<div class="">Roman</div></div></div></div>
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