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Re: newlib, FreeRTOS, reentrancy, heap and related questions

From Paul Rubin <no.email@nospam.invalid>
Newsgroups comp.arch.embedded
Subject Re: newlib, FreeRTOS, reentrancy, heap and related questions
Date 2020-02-08 19:42 -0800
Organization A noiseless patient Spider
Message-ID <875zggzasx.fsf@nightsong.com> (permalink)
References (8 earlier) <r1j8e3$kj5$1@dont-email.me> <87imkizs3i.fsf@nightsong.com> <r1jbp7$lug$2@dont-email.me> <87eev6z8u3.fsf@nightsong.com> <r1mjig$879$1@dont-email.me>

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David Brown <david.brown@hesbynett.no> writes:
> No, it hasn't accessed unallocated memory at all.  It did not access
> anything.  The compiler could see that either the malloc worked fine
> and the result would be the value 6,

It's a question of how the compiler implemented the compile-time
execution.  I hope that it didn't really allocate 6 bytes of memory at
compile time, and then write past it.  But it makes me wonder.

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newlib, FreeRTOS, reentrancy, heap and related questions pozz <pozzugno@gmail.com> - 2020-02-06 13:26 +0100
  Re: newlib, FreeRTOS, reentrancy, heap and related questions Richard Damon <Richard@Damon-Family.org> - 2020-02-06 07:37 -0500
    Re: newlib, FreeRTOS, reentrancy, heap and related questions pozz <pozzugno@gmail.com> - 2020-02-06 13:57 +0100
      Re: newlib, FreeRTOS, reentrancy, heap and related questions David Brown <david.brown@hesbynett.no> - 2020-02-06 14:58 +0100
        Re: newlib, FreeRTOS, reentrancy, heap and related questions pozz <pozzugno@gmail.com> - 2020-02-06 16:06 +0100
          Re: newlib, FreeRTOS, reentrancy, heap and related questions David Brown <david.brown@hesbynett.no> - 2020-02-06 21:41 +0100
            Re: newlib, FreeRTOS, reentrancy, heap and related questions pozz <pozzugno@gmail.com> - 2020-02-06 23:23 +0100
              Re: newlib, FreeRTOS, reentrancy, heap and related questions Richard Damon <Richard@Damon-Family.org> - 2020-02-06 23:44 -0500
                Re: newlib, FreeRTOS, reentrancy, heap and related questions David Brown <david.brown@hesbynett.no> - 2020-02-07 09:51 +0100
                Re: newlib, FreeRTOS, reentrancy, heap and related questions Paul Rubin <no.email@nospam.invalid> - 2020-02-07 01:04 -0800
                Re: newlib, FreeRTOS, reentrancy, heap and related questions David Brown <david.brown@hesbynett.no> - 2020-02-07 10:48 +0100
                Re: newlib, FreeRTOS, reentrancy, heap and related questions Paul Rubin <no.email@nospam.invalid> - 2020-02-07 08:00 -0800
                Re: newlib, FreeRTOS, reentrancy, heap and related questions David Brown <david.brown@hesbynett.no> - 2020-02-08 16:19 +0100
                Re: newlib, FreeRTOS, reentrancy, heap and related questions Paul Rubin <no.email@nospam.invalid> - 2020-02-08 19:42 -0800
                Re: newlib, FreeRTOS, reentrancy, heap and related questions David Brown <david.brown@hesbynett.no> - 2020-02-09 12:11 +0100
              Re: newlib, FreeRTOS, reentrancy, heap and related questions David Brown <david.brown@hesbynett.no> - 2020-02-07 10:35 +0100
      Re: newlib, FreeRTOS, reentrancy, heap and related questions Dave Nadler <drn@nadler.com> - 2020-02-06 07:21 -0800
        Re: newlib, FreeRTOS, reentrancy, heap and related questions pozz <pozzugno@gmail.com> - 2020-02-06 17:14 +0100
        Re: newlib, FreeRTOS, reentrancy, heap and related questions pozz <pozzugno@gmail.com> - 2020-02-06 23:26 +0100
          Re: newlib, FreeRTOS, reentrancy, heap and related questions Richard Damon <Richard@Damon-Family.org> - 2020-02-06 23:29 -0500
      Re: newlib, FreeRTOS, reentrancy, heap and related questions Richard Damon <Richard@Damon-Family.org> - 2020-02-06 23:23 -0500
        Re: newlib, FreeRTOS, reentrancy, heap and related questions pozz <pozzugno@gmail.com> - 2020-02-07 09:19 +0100
  Re: newlib, FreeRTOS, reentrancy, heap and related questions upsidedown@downunder.com - 2020-02-07 11:36 +0200
    Re: newlib, FreeRTOS, reentrancy, heap and related questions pozz <pozzugno@gmail.com> - 2020-02-07 14:31 +0100
      Re: newlib, FreeRTOS, reentrancy, heap and related questions Dave Nadler <drn@nadler.com> - 2020-02-07 05:55 -0800
  Re: newlib, FreeRTOS, reentrancy, heap and related questions Dave Nadler <drn@nadler.com> - 2020-04-05 15:05 -0700

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