Howdy, Just to clarify, Kevin meant "since the merge of master into this branch" which was:
2a8794f Merge branch 'master' into soh-cah-toa/hbdb Christoph Otto 4 weeks ago Mon Jul 4 10:46:17 2011 If someone could help figure out why that merge borked hbdb, that would be awesomely helpful. Duke On Fri, Jul 29, 2011 at 8:52 PM, Kevin Polulak <[email protected]> wrote: > I realize that most of us Parrot developers are just about always knee deep > in 1's and 0's but if you think you can spend some time to help a struggling > GSoC student work on his debugger, I would really appreciate it. The > adventures of HBDB has reached a bit of a stalemate. The clock is ticking > and I'm really starting to feel the pressure since my debugger still doesn't > really do anything useful. > > If you haven't already, please read my latest blog post. It describes most > of the problems I'm facing. My biggest problem right now is basic execution > commands like 'run' and 'step'. They work by manipulating a few status bits > in a global bitmask and then the runcore checks the bitmask to decide how > and if execution should resume. The 'run' command works just fine but the > 'step' command has just been completely out of control. I tried creating a > special HBDB_STEP flag which works but apparently there are several > instructions that are executed before the first line in the :main function > so you must 'step' 4-5 times before an actual opcode is reached. I've also > considered taking the traditional route by simply placing a temporary > breakpoint at the next instruction but if you've been reading any of my blog > posts, you'll know that breakpoints have been a complete nightmare. Besides > that, getting the next pc value is not that easy because it is not > sequential; if pc is 41, pc++ is not guaranteed to be 42. > > Should any of you decide to help I suggest you look in the following places > on the soh-cah-toa/hbdb branch: > > src/hbdb.c : hbdb_cmd_step() : +724 > src/runcore/cores.c : runops_hbdb_core() : +799 > src/hbdb.c : hbdb_check_breakpoint() : +770 > src/hbdb.c : hbdb_runloop() : +1105 > > I'm also struggling with the 'quit' command. Ever since the merge into > master, it segfaults and crashes. If you want to take a crack at it, look > at: > > src/hbdb.c : hbdb_cmd_quit() : +676 > src/hbdb.c : hbdb_start() : +1139 > src/hbdb.c : hbdb_runloop() : +1105 > > I've been on my own here for a while so I would be very grateful if some of > you would be willing to give a helping hand. > > -- > - Kevin Polulak (soh_cah_toa) > > > _______________________________________________ > http://lists.parrot.org/mailman/listinfo/parrot-dev > > -- Jonathan "Duke" Leto <[email protected]> Leto Labs LLC 209.691.DUKE // http://labs.leto.net NOTE: Personal email is only checked twice a day at 10am/2pm PST, please call/text for time-sensitive matters. _______________________________________________ http://lists.parrot.org/mailman/listinfo/parrot-dev
