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Post AwU3lTvyzd9lMHc3VI by [email protected] |
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More posts by [email protected] |
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Post #AwSH1WE19a2ABW6d1s by [email protected] |
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the problem with working with any non-trivial dataset of any kind, is that you … |
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Post #AwSL4nebD548vNMKrw by [email protected] |
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pass one resulted in 12313 errors. that's not TOO many! |
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Post #AwSL8M7xUjGqi8mtAu by [email protected] |
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that's only like 1 error per 3 lines of source |
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Post #AwSMOflsKKxMDrnow4 by [email protected] |
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my current Stupid Project is a pipeline to (semi-) automate extracting a ghidra… |
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Post #AwSMbsrWxv7EaZkOxM by [email protected] |
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you'd think a disassembler that can export x86 assembly and an assembler th… |
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Post #AwSMeN1RnoYIhvZUnI by [email protected] |
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but no, x86 assembly is not compatible between assemblers usually because they&… |
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Post #AwSNunqbw0OSUYu0Ya by [email protected] |
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I'm down to 120 errors now |
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Post #AwSOcXrQjaTJeS8xM0 by [email protected] |
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@[email protected] and every single time I do this I'm so tempted to just… |
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Post #AwSOguwmqEmQPXjYpM by [email protected] |
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@foone 🎵 99 little bugs in the code99 little bugsfix one bugcompile again101… |
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Post #AwSOniTdbUCzlLLEyu by [email protected] |
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@foone that was quick ! |
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Post #AwSOz4CHBocqJMdJey by [email protected] |
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@foone i love when standards aren't standardized :aneobot_explode: |
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Post #AwSPMNAonl3LpI43VI by [email protected] |
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@jenesuispasgoth well that's the fun thing about having 12,000 errors: 11,0… |
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Post #AwSPX3KGvzxpSJZx9E by [email protected] |
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@foone I assumed as much, but still. :) |
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Post #AwSQL1g1LA8cota49o by [email protected] |
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I got it down to 6, fixed one of those, and now it's down to 629apparently … |
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Post #AwSQwhfmA9x7mbQr5s by [email protected] |
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@foone It's like that song from "The Little Mermaid", except it&#… |
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Post #AwSRH3f27bDVlkn596 by [email protected] |
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@drsbaitso well, I'm assembling Where in the World is Carmen Sandiego, so i… |
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Post #AwSROqMzQAm2rf3zZw by [email protected] |
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an example of the dialect differences:LODSW SIvs LODSWGhidra produces "LOD… |
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Post #AwSRoIFQuMLiZBfEsi by [email protected] |
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@foone "Carmen Sandiego has stole YOUR SANITY and is hiding IN A FAMOUS OP… |
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Post #AwSS309yRPsQoM7kzQ by [email protected] |
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BRØDERBUND YOU MADE A MISTAKEthe specs on the box don't say this game requ… |
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Post #AwSS7wnEO16BoiqQfA by [email protected] |
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now I'm gonna have to dig out my over-speced IBM 5150 PC and figure out how… |
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Post #AwSSEMp6WH58HmmXq4 by [email protected] |
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(it's possible the opcode is in a function that's never called: the flo… |
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Post #AwSTVPkH0aJ2E3DOEq by [email protected] |
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77 errors now. that's a lot of progress. |
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Post #AwSWVD1abTXsdSuMy0 by [email protected] |
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@foone Attention DOGE script kiddies |
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Post #AwSWcgzrZ9rhcTfXhA by [email protected] |
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down to 23 symbol not defined, and 1 short jump is out of range. |
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Post #AwSX6wvosxJjjCCnqa by [email protected] |
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this better not come down to memory mapping bugs. I don't want to have to f… |
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Post #AwSXV9YJc3Nroxkj6O by [email protected] |
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at 1fb7:0d5b we've got e8 c8 f6e8 is a CALL rel16. f6c8 is added to the a… |
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Post #AwSXcY4Or7BTt6HohM by [email protected] |
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I think they're incorrectly disassembling this code: the segment offset on … |
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Post #AwSXorgjk0DACx5hsu by [email protected] |
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except the math still doesn't work out there! |
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Post #AwSXt4Vm0TWV8Wy8X2 by [email protected] |
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@foone Urks. That seems like a very basic yet very crucial thing to get wrong... |
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Post #AwSXvnNSASHirfNNWi by [email protected] |
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WHAT IS GHIDRA DOING |
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Post #AwSXypkfnOZ567gZou by [email protected] |
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DOSBox-X doesn't agree:17DA:0D5B E8 C8 F6 call 0426 ($-938) |
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Post #AwSYWpY93N52Ji2KxM by [email protected] |
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https://github.com/NationalSecurityAgency/ghidra/issues/981ugh it's this bug |
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Post #AwSYcq7RqiM5ovPmd6 by [email protected] |
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it's been broken for 6 years now |
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Post #AwSYpi3T8vKWZfgsDY by [email protected] |
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@foone didn't you run into this same ghidra behaviour a while ago or am I i… |
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Post #AwSYpiAYiZ08vf0XGi by [email protected] |
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@astraleureka I think I did. probably with this same fucking program |
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Post #AwSYwdhhibQ16goYzY by [email protected] |
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@foone ghidra is pretty bad at 16 bit x86 code. I really tried to use it but th… |
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Post #AwSYwdo5KsWTQTnewC by [email protected] |
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@gloriouscow I know, but I'm officially burnt out on ida. and this is 99% w… |
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Post #AwSZi3HSRVJw2f97Fw by [email protected] |
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@foone ugh, addressing mode stuff is such a headache in RE. |
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Post #AwSa5PymDQLd6KY9oG by [email protected] |
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@foone16bit x86 in ghidra really needs some TLC, sadly... I have a bunch of stu… |
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Post #AwSadfgoJO1JfgTngu by [email protected] |
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@foone Just fix it. You know it would improve your life so much! Just imagine i… |
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Post #AwSoAvbdSDZZzoFOkr by [email protected] |
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@foone I read this first as “now it more nervous”Me too, little assembler, … |
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Post #AwSoDQN82P4DzheVA8 by [email protected] |
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@foone Unless its 8088 CPU has been upgraded, there are no invalid opcodes. It … |
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Post #AwSoKPoOWF9sHejtHE by [email protected] |
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@foone this is a pet peeve of mine.MartyPC's disassembler always emits the … |
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Post #AwSoNjhR27zcpj4F1s by [email protected] |
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@foone is this like when you discover the boss has a second health bar |
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Post #AwSoktHtYEoFEMA7aS by [email protected] |
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@foone I have memories of owning the release just before that one on an XT clon… |
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Post #AwTpK7MpOEmEBuE8i8 by [email protected] |
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okay I'm looking at other stuff and got it down to 11 errors, and then it s… |
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Post #AwTpcfgQXflRpiF1v6 by [email protected] |
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I'm down to 11 errors and they're all GHIDRA BUG #981 |
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Post #AwTqCMniDxW9h9fb16 by [email protected] |
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I'm trying a workaround where I fuck the memory space into having each segm… |
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Post #AwTrP5jf5G7oUEPHQO by [email protected] |
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@foone 9000 well-aligned issues |
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Post #AwTrhoFgJMzPlSJENk by [email protected] |
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no luck. time for the next option: patch the bytes in ghidra so they are decode… |
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Post #AwTrtPKqmDLDxhG0lE by [email protected] |
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in all... 40 places. fuck |
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Post #AwTwBElHECCaCHNKaW by [email protected] |
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nothing more annoying than a task that requires you to copy-paste two separate … |
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Post #AwTwKZKi73z0bYOn44 by [email protected] |
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@foone imagining this summoning the worst kind of linux reply guy who actually … |
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Post #AwTww13zyUJ5K8REOG by [email protected] |
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@cinebox I've got a knife! they'll never take me alive! |
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Post #AwU1fPbxx7eoJ0ECjw by [email protected] |
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@foone @cinebox Linuces are easy to defeat. Just ask them which is the best win… |
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Post #AwU1fPj3WlKQezXrn6 by [email protected] |
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@mdhughes @foone @cinebox linonces? |
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Post #AwU2kMg4O6OKbn4awK by [email protected] |
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ZERO ERRORS |
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Post #AwU2n0kgMZWjTaUatk by [email protected] |
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now to try and link it and watch it explode forever |
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Post #AwU3WgNCSlT5arHpTc by [email protected] |
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yep. I produced an EXE that, when ran, tried to overwrite the VGA BIOS and corr… |
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Post #AwU3lTvyzd9lMHc3VI by [email protected] |
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@foone That’s how Zachtronics makes their money. |
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Post #AwU4BXAhZxXEvbv7AG by [email protected] |
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I fixed some minor problems and now it's at least just hanging.so next step… |
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Post #AwU4En2t15JB1roj1k by [email protected] |
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I did neglect to put all the static data in, so... that's gonna break appro… |
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Post #AwU4aaL0wZY7zJgmLg by [email protected] |
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@foone Zarro Boogs |
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Post #AwUKHhNa8dPrahuFAe by [email protected] |
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@lritterLinuxen? @mdhughes @foone @cinebox |
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Post #AwWHSAObCROavvbMky by [email protected] |
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@foone I hate x86 asm for reasons like this... I would expect that if you are i… |
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Post #AwWPuFKVFRtJyeaP20 by [email protected] |
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it's probably not a good idea to ask carmen_symbols.asm to try to include c… |
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Post #AwWQmZmdPxbJ3DeQTY by [email protected] |
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@foone quine not? |
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Post #AwWRcWUEv5kRsuoiUS by [email protected] |
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I modified my ASM generator to split up the multiple code segments of Carmen, s… |
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Post #AwWVMw9w6Ng2gq8yS8 by [email protected] |
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I started implementing the data and now I'm up to a mere 7266 lines of erro… |
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Post #AwWXhc3MFcESK03NY0 by [email protected] |
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@foone I think that depends on what you're trying to achieve ;) |
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Post #AwWaL3MAs38QChmzBo by [email protected] |
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ugh. the Data/DataType api of Ghidra doesn't seem to make a distinction bet… |
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Post #AwWd5w6vpPJ1FZ8usy by [email protected] |
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s_Lady_Agatha_Wayland_d000_08ac: db 'Lady Agatha Wayland',0 ;DATATYPE=s… |
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Post #AwWdrZSJMY1ot0rBgm by [email protected] |
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I've also got it including data in the assembly.but only data that's:1.… |
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Post #AwWxRKtYsEqFHXN2Om by [email protected] |
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@foone OH NO ITS WAYLAND!(gui joke) |
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Post #AwX0nbjRFuQHjWwmtU by [email protected] |
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@foone *clapping*“Tell me—Where in the World is…”*deep baritone* “Car… |
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Post #AwbnjRqjjE6oJOqYhE by [email protected] |
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@foone No kidding; I see why emacs and so many other early text editors had a w… |
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Post #AwcDlWzkAPwHeniIqm by [email protected] |
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structs are going to be complicated unless I add another parsing pass. this is … |
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Post #AwcE83Bj9b0HsE3aLI by [email protected] |
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@foone I feel like the NSA should hire you to fix Ghidra. |
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Post #AwcMc4hat9ZGtEn2Ke by [email protected] |
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shit I forgot enums |
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Post #AwcPwMW8f3zznTnUAq by [email protected] |
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okay structs and enums are defined now. used? correct? lets not get ahead of ou… |
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Post #AwcQPArV4iIQ2vWlQe by [email protected] |
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it's working now for everything except for arrays of structswhich isn't… |
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Post #AwcQRzS1xMu9WbxOWe by [email protected] |
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"everything" being "my structure work today". I still haven… |
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Post #AwcRN6tmwG6n87B3uC by [email protected] |
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arg. it all compiles except for a byte[4]stupid XORTBLs |
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Post #AwcSkf9Rr2B9ydISh6 by [email protected] |
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@foone one of us. One of us |
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Post #AwcTA9dBfWm9kPMWPI by [email protected] |
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I hardcoded around that and now I have an EXE again!it's a 305 byte exe bec… |
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Post #AwcTpRlX9KYjrcxKpk by [email protected] |
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lets put the functions back in, what could go wrong? |
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Post #AwcTsG7Wu1XecEaMHA by [email protected] |
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OH GOD MY HOUSE IS ON FIRE |
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Post #AwcTzKYGpFBSO0StlY by [email protected] |
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okay only 7264 errors. that's not as bad |
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Post #AwcU4PX5jYPNHZKuA4 by [email protected] |
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@foone No, mother, it's just the northern lights |
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Post #AwcU66CUa7Jtu5VR8C by [email protected] |
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@foone Don't panic!• git commit • git push• walk calmly to the assemb… |
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Post #AwcUOZ0iCnEgT7nhEe by [email protected] |
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for some reason function parameter references are turning into functionname__pa… |
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Post #AwcV2f72w9RMyfsrFg by [email protected] |
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foone, why did you name a function parameter ptr? That's a (kinda) reserved… |
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Post #AwcVYXqPUnpdhaIzIW by [email protected] |
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I'm back up to about 9000 errors. namespace issues. but I think that's … |
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Post #AwcgCcRyn0Cz70cqX2 by [email protected] |
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@foone there's always room for more, never give up |
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Post #AwcgxSzjlKiXOekoKG by [email protected] |
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@foone No, mother, it's just the northern lights ! |
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Post #AwchhIP9T67RsBUirw by [email protected] |
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@foone https://people.csail.mit.edu/rachit/post/you-have-built-a-compiler/ |
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Post #AwchhpF1NmcjiK0bA0 by [email protected] |
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@foone "Make it exist first, you can make it good later" or whatever … |
