<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div style="margin: 0px; font-family: 'Andale Mono'; color: rgb(41, 249, 20); background-color: rgb(0, 0, 0);">$ ./lldb /bin/ls</div><div style="margin: 0px; font-family: 'Andale Mono'; color: rgb(41, 249, 20); background-color: rgb(0, 0, 0);">Current executable set to '/bin/ls' (x86_64).</div><div style="margin: 0px; font-family: 'Andale Mono'; color: rgb(41, 249, 20); background-color: rgb(0, 0, 0);">(lldb) b malloc</div><div><div style="margin: 0px; font-family: 'Andale Mono'; color: rgb(41, 249, 20); background-color: rgb(0, 0, 0);">Breakpoint 1: 2 locations.</div><div style="margin: 0px; font-family: 'Andale Mono'; color: rgb(41, 249, 20); background-color: rgb(0, 0, 0);">(lldb) r</div><div style="margin: 0px; font-family: 'Andale Mono'; color: rgb(41, 249, 20); background-color: rgb(0, 0, 0);">Process 48448 launched: '/bin/ls' (x86_64)</div><div style="margin: 0px; font-family: 'Andale Mono'; color: rgb(41, 249, 20); background-color: rgb(0, 0, 0);">Process 48448 stopped</div><div style="margin: 0px; font-family: 'Andale Mono'; color: rgb(41, 249, 20); background-color: rgb(0, 0, 0);">* thread #1: tid = 0x58fee, 0x00007fff906cd8f9 libsystem_malloc.dylib`malloc, stop reason = breakpoint 1.2</div><div style="margin: 0px; font-family: 'Andale Mono'; color: rgb(41, 249, 20); background-color: rgb(0, 0, 0);"> frame #0: 0x00007fff906cd8f9 libsystem_malloc.dylib`malloc</div><div style="margin: 0px; font-family: 'Andale Mono'; color: rgb(41, 249, 20); background-color: rgb(0, 0, 0);">libsystem_malloc.dylib`malloc:</div><div style="margin: 0px; font-family: 'Andale Mono'; color: rgb(41, 249, 20); background-color: rgb(0, 0, 0);">-> 0x7fff906cd8f9: pushq %rbp</div><div style="margin: 0px; font-family: 'Andale Mono'; color: rgb(41, 249, 20); background-color: rgb(0, 0, 0);"> 0x7fff906cd8fa: movq %rsp, %rbp</div><div style="margin: 0px; font-family: 'Andale Mono'; color: rgb(41, 249, 20); background-color: rgb(0, 0, 0);"> 0x7fff906cd8fd: pushq %rbx</div><div style="margin: 0px; font-family: 'Andale Mono'; color: rgb(41, 249, 20); background-color: rgb(0, 0, 0);"> 0x7fff906cd8fe: pushq %rax</div></div><div><div style="margin: 0px; font-family: 'Andale Mono'; color: rgb(41, 249, 20); background-color: rgb(0, 0, 0);">(lldb) r</div><div style="margin: 0px; font-family: 'Andale Mono'; color: rgb(41, 249, 20); background-color: rgb(0, 0, 0);">There is a running process, kill it and restart?: [Y/n] <u><— this is where you are hung waiting for input</u></div></div><div><br></div><div>You probably want to say i.HandleCommand(“c”,res)</div><div><br></div><div>OTOH, I wonder if we could do any better w.r.t. handling commands that require input - I think in our test suite, to do that kind of thing, we use pexpect to read/write from/to LLDB’s stdin/stdout</div><div><br></div><div>And with all of that said, if you are trying to do any serious instrumentation of your process, you might want to consider using the LLDB event model instead of HandleCommand() scripting.</div><div>An example of how you would do that in Python is in our source base at examples/python/process_events.py and (for the C++ way) in the lldb-perf project</div><div><br></div><div>
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div style=" orphans: 2; widows: 2; border-collapse: separate; border-spacing: 0px;"><span style="font-size: 12px; orphans: auto; widows: auto;">Enrico Granata</span><br style="font-size: 12px; orphans: auto; widows: auto;"><span style="font-size: 12px; orphans: auto; widows: auto;">📩 egranata@</span><font color="#ff2600" style="font-size: 12px; orphans: auto; widows: auto;"></font><span style="font-size: 12px; orphans: auto; widows: auto;">.com</span><br style="font-size: 12px; orphans: auto; widows: auto;"><span style="font-size: 12px; orphans: auto; widows: auto;">☎️ 27683</span></div></div></div>
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<br><div><div>On Jun 26, 2013, at 1:57 PM, Langmuir, Ben <<a href="mailto:ben.langmuir@intel.com">ben.langmuir@intel.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div lang="EN-US" link="blue" vlink="purple" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div class="WordSection1" style="page: WordSection1;"><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;">I’m trying to use the ‘run’ command from the python API when my process has stopped at a breakpoint, but it appears to hang. Script attached.<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><o:p> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;">i.HandleCommand('b main', res)<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;">i.HandleCommand('r', res) -> runs to breakpoint correctly<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;">i.HandleCommand('r', res) -> appears to hang<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><o:p> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;">This seems like a bug, but I thought I would ask in case the interpreter was waiting for some kind of input I wasn’t providing… I’m running on Linux, and haven’t had a chance to try OS X yet.<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><o:p> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;">Ben<o:p></o:p></div></div><span><test.py></span>_______________________________________________<br>lldb-dev mailing list<br><a href="mailto:lldb-dev@cs.uiuc.edu" style="color: purple; text-decoration: underline;">lldb-dev@cs.uiuc.edu</a><br><a href="http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev" style="color: purple; text-decoration: underline;">http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev</a></div></blockquote></div><br></body></html>