[lldb-dev] Bug in SBTarget::BreakpointCreateByName

[Jim Ingham]

> On Nov 5, 2014, at 12:39 PM, Mario Zechner <badlogicgames at gmail.com <mailto:badlogicgames at gmail.com>> wrote:
> 
> Hi Jim,
> 
> break set -F does indeed work with trunk. Our mangling is a tiny bit awkward (for specific reasons...), so i guess it's not a big deal. We can get by by using the regex version for now.
> 
> Is there a C++ API equivalent to break set -F?

Set the name_type_mask option provided to the versions of SBTarget::BreakpointCreateByName that take it to eFunctionNameTypeFull, that is exactly what the -F option to “break set” does.

Jim


> 
> Thanks!
> Mario
> 
> On Wed, Nov 5, 2014 at 8:17 PM, Jim Ingham <jingham at apple.com <mailto:jingham at apple.com>> wrote:
> Mario,
> 
> “-n” is trying to do things like
> 
> (lldb) break set -n foo
> 
> will break on bar::foo, etc…  So it tries to parse up the name, and weird names like this can trip it up.
> 
> Greg recently fixed some bugs with the -n parsing for ObjC names which might have caused it to break on your names.
> 
> Does breakpoint setting work when you use “break set -F <NAME>” for these sorts of names.  This option does an exact match against the symbol name and doesn’t try to be smart about it, it’s there as a fallback for odd names lldb fails to parse up correctly.
> 
> Jim
> 
> > On Nov 5, 2014, at 1:06 AM, Mario Zechner <badlogicgames at gmail.com <mailto:badlogicgames at gmail.com>> wrote:
> >
> > Hi,
> >
> > we are using SBTarget::BreakpointCreateByName so set breakpoint on symbol names. This works as long as no special characters are in the symbol name. Our name mangling can produce symbols like:
> >
> > [J]com.robovm.debug.server.apps.SleepLoop.startingUp()V
> >
> > for which SBTarget::BreakpointCreateByName fails to resolve locations.
> >
> > This happens with the latest trunk version of LLDB, it worked with a snapshot from the 29th of September.
> >
> > We currently work around this issue by using SBTarget::BreakpointCreateByRegex.
> >
> > Thanks,
> > Mario
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