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Path: ...!3.eu.feeder.erje.net!feeder.erje.net!weretis.net!feeder8.news.weretis.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Mikko <mikko.levanto@iki.fi> Newsgroups: comp.theory Subject: Re: People are still trying to get away with disagreeing with the semantics of the x86 language Date: Thu, 4 Jul 2024 08:57:54 +0300 Organization: - Lines: 75 Message-ID: <v65dl2$2ks6b$1@dont-email.me> References: <v5pbjf$55h$1@dont-email.me> <v5r5q9$ekvf$1@dont-email.me> <v5s40h$jvgt$1@dont-email.me> <v5tgvj$utcb$1@dont-email.me> <v5u8c9$12udb$1@dont-email.me> <v608ft$1hqo6$1@dont-email.me> <v61hoo$1og2o$1@dont-email.me> <v62rq7$22ugk$1@dont-email.me> <v63j1t$26loi$3@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Thu, 04 Jul 2024 07:57:54 +0200 (CEST) Injection-Info: dont-email.me; posting-host="cabf7997ccea4a754a11e5a6de24ff7f"; logging-data="2781387"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19Ck+IkC/bhOsswcx5fRjYf" User-Agent: Unison/2.2 Cancel-Lock: sha1:WesVCGDCUXImROcsvjk7FXHbT5c= Bytes: 4216 On 2024-07-03 13:17:48 +0000, olcott said: > On 7/3/2024 1:41 AM, Mikko wrote: >> On 2024-07-02 18:43:35 +0000, olcott said: >> >>> On 7/2/2024 1:59 AM, Mikko wrote: >>>> On 2024-07-01 12:44:57 +0000, olcott said: >>>> >>>>> On 7/1/2024 1:05 AM, Mikko wrote: >>>>>> On 2024-06-30 17:18:09 +0000, olcott said: >>>>>>> >>>>>>> Richard just said that he affirms that when DDD correctly >>>>>>> simulated by HHH calls HHH(DDD) that this call returns even >>>>>>> though the semantics of the x86 language disagrees. >>>>>>> >>>>>>> On 6/30/2024 7:34 AM, Richard Damon wrote: >>>>>>> > It is still true that the xemantics of the x86 >>>>>>> > language define the behavior of a set of bytes, >>>>>>> > as the behavior when you ACTUALLY RUN THEM, >>>>>>> > and nothing else. >>>>>>> >>>>>>> _DDD() >>>>>>> [00002172] 55 push ebp ; housekeeping >>>>>>> [00002173] 8bec mov ebp,esp ; housekeeping >>>>>>> [00002175] 6872210000 push 00002172 ; push DDD >>>>>>> [0000217a] e853f4ffff call 000015d2 ; call HHH(DDD) >>>>>>> [0000217f] 83c404 add esp,+04 >>>>>>> [00002182] 5d pop ebp >>>>>>> [00002183] c3 ret >>>>>>> Size in bytes:(0018) [00002183] >>>>>>> >>>>>>> Richard thinks that he can get away with disagreeing with this >>>>>>> verified fact: >>>>>>> >>>>>>> The call from DDD to HHH(DDD) when N steps of DDD are correctly >>>>>>> emulated by any pure function x86 emulator HHH cannot possibly >>>>>>> return. >>>>>> >>>>>> It is your HHH so you should know whether it returns. Others may >>>>>> have wrong impression about it if they have trusted your lies. >>>>> >>>>> I have never lied about this. >>>> >>>> At least you have claimed more than proven. >>>> >>>>> _DDD() >>>>> [00002172] 55 push ebp ; housekeeping >>>>> [00002173] 8bec mov ebp,esp ; housekeeping >>>>> [00002175] 6872210000 push 00002172 ; push DDD >>>>> [0000217a] e853f4ffff call 000015d2 ; call HHH(DDD) >>>>> [0000217f] 83c404 add esp,+04 >>>>> [00002182] 5d pop ebp >>>>> [00002183] c3 ret >>>>> Size in bytes:(0018) [00002183] >>>>> >>>>> DDD is correctly emulated by HHH which calls an >>>>> emulated HHH(DDD) to repeat the process until aborted. >>>> >>>> The correctness remain unproven. >>>> >>> >>> IT IS PROVEN BY THE SEMANTICS OF THE X86 LANGUAGE >>> THAT YOU REMAIN WILLFULLY IGNORANT OF SEMANTICS OF >>> THE X86 LANGUAGE DOES NOT MEAN IT HAS NOT BEEN PROVEN. >> >> As long as no proof is shown it is not proven. >> > > The proof is self-evident for anyone knowing the x86 language. Doesn't matter. As long as no proof is shown your claim is unproven. -- Mikko