Ah again... if you are debugging an external, it should also be compiled with optimization disabled and debugging symbols enabled, typically CFLAGS="-O0 -g"
> On Feb 28, 2023, at 12:43 PM, Dan Wilcox <danomat...@gmail.com> wrote: > > Ah, I forgot an important point: first configure with debugging symbols. > > ./configure --enable-debug > > If building from a git clone, first generate configure using autoconf via: > > ./autogen.sh > > Actually, this info is in the INSTALL.txt file, but I'm writing it here > anyway. ;) > >> On Feb 28, 2023, at 12:39 PM, Dan Wilcox <danomat...@gmail.com >> <mailto:danomat...@gmail.com>> wrote: >> >> >>> On Feb 28, 2023, at 12:00 PM, pd-list-requ...@lists.iem.at >>> <mailto:pd-list-requ...@lists.iem.at> wrote: >>> >>> Hello >>> >>> So we all know how Apple is sandboxing like hell. >> >> Sure, but allowing *any* old program to be debugged / decompiled in realtime >> is not the best for security implications, at least Apple thinks so. >> >> Your subject is a little misleading as the "Xcode debugger" is essential >> lldb. Xcode itself simply wraps lldb when debugging and provides a UI top >> interact with it. In fact, on a debug build crash in Xcode, you can enter >> lldb commands directly into the console, ie. "bt" will provide a backtrace >> directly. >> >>> How do people attach a debugger to pd to do development? >> >> "lldb" like "gdb" >> >> For quick tests of a known crasher, I usually use: >> >> make >> cd bin >> lldb pd >> >> This will use the system Tcl/Tk which has had issues for years now, but is >> enough for quick testing. >> >> For best testing, build the .app and invoke the pd binary inside it. For >> example: >> >> make >> make app >> lldb Pd-0.53-2.app/Contents/Resources/bin/pd >> >> Once lldb launches, you have to start the process: >> >> process launch >> >> When a crash happens, you can get the backtrace with "bt", change frames >> with "f #", and print variables via "v". If you have used gdb before, this >> is a helpful crib sheet: >> >> https://lldb.llvm.org/use/map.html <https://lldb.llvm.org/use/map.html> >> >> Note: If you are using a newer macOS system and want to *also* use a newer >> version of Tcl/Tk, build Wish.app first then use it to make the Pd .app >> bundle: >> >> ./macos/tcltk-wish.sh 8.6.12 >> >> produces a Wish-8.6.12.app. Next use it to build Pd .app with: >> >> ./mac/osx-app.sh -w Wish-8.6.12.app 0.53-2 >> >> Now you can change the C sources and rebuild with: >> >> make >> ./mac/osx-app.sh -w Wish-8.6.12.app 0.53-2 >> >>> Do I have to recompile pd myself as the long winded detour? >> >> If you want debugging symbols, yes. Fortunately it is relative easy to >> compile Pd so I don't consider it "long-winded." In fact, we have spent >> quite a bit of time to make this both possible *and* relatively easy. (See >> above.) >> >> -------- >> Dan Wilcox >> @danomatika <http://twitter.com/danomatika> >> danomatika.com <http://danomatika.com/> >> robotcowboy.com <http://robotcowboy.com/> >> >> >> > > -------- > Dan Wilcox > @danomatika <http://twitter.com/danomatika> > danomatika.com <http://danomatika.com/> > robotcowboy.com <http://robotcowboy.com/> > > > -------- Dan Wilcox @danomatika <http://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>
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