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Re: g++ on Cortex-M with no dynamic memory

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On 11/7/2016 2:01 PM, upsidedown@downunder.com wrote:
>> That's exactly what I do:
>>
>> // using malloc must cause a linker error
>> void * malloc( size_t n ){
>>    void if_you_see_this_you_are_using_new_or_malloc();
>>    if_you_see_this_you_are_using_new_or_malloc();
>>    return NULL;
>> }
>
> What is wrong with malloc(), I use it during the first millisecond of
> the program startup.

If that's the only time you use it, you can *probably* replace each
instance with a suitable variable/array declaration (global)

>> // using free must cause a linker error
>> void free( void * p ){
>>    void if_you_see_this_you_are_using_free_or_delete();
>>    if_you_see_this_you_are_using_free_or_delete();
>> }
>
> free() is a no-no, I disable it after the first millisecond and let
> the program run for 10-40 years.

So, all of your objects are persistent?  (e.g., no "temporary/transient"
tasks that come and go -- instantiating then releasing their stacks, etc.)

How would you, for example, build a set of cascaded menus?  In
artificially introduced function layers?

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Thread

g++ on Cortex-M with no dynamic memory Dave Nadler <drn@nadler.com> - 2016-11-05 14:09 -0700
  Re: g++ on Cortex-M with no dynamic memory antispam@math.uni.wroc.pl - 2016-11-07 02:55 +0000
    Re: g++ on Cortex-M with no dynamic memory Tom Gardner <spamjunk@blueyonder.co.uk> - 2016-11-07 07:52 +0000
      Re: g++ on Cortex-M with no dynamic memory Wouter van Ooijen <wouter@voti.nl> - 2016-11-07 09:11 +0100
        Re: g++ on Cortex-M with no dynamic memory Tim Wescott <tim@seemywebsite.com> - 2016-11-07 10:08 -0600
      Re: g++ on Cortex-M with no dynamic memory David Brown <david.brown@hesbynett.no> - 2016-11-07 10:02 +0100
      Re: g++ on Cortex-M with no dynamic memory Dave Nadler <drn@nadler.com> - 2016-11-08 12:01 -0800
    Re: g++ on Cortex-M with no dynamic memory Dave Nadler <drn@nadler.com> - 2016-11-07 04:13 -0800
      Re: g++ on Cortex-M with no dynamic memory Tim Wescott <tim@seemywebsite.com> - 2016-11-07 10:15 -0600
        Re: g++ on Cortex-M with no dynamic memory Wouter van Ooijen <wouter@voti.nl> - 2016-11-07 18:39 +0100
          Re: g++ on Cortex-M with no dynamic memory Tim Wescott <seemywebsite@myfooter.really> - 2016-11-07 11:59 -0600
            Re: g++ on Cortex-M with no dynamic memory Wouter van Ooijen <wouter@voti.nl> - 2016-11-07 19:40 +0100
            Re: g++ on Cortex-M with no dynamic memory Dave Nadler <drn@nadler.com> - 2016-11-08 11:59 -0800
              Re: g++ on Cortex-M with no dynamic memory Wouter van Ooijen <wouter@voti.nl> - 2016-11-08 23:30 +0100
                Re: g++ on Cortex-M with no dynamic memory David Brown <david.brown@hesbynett.no> - 2016-11-09 09:23 +0100
                Re: g++ on Cortex-M with no dynamic memory Wouter van Ooijen <wouter@voti.nl> - 2016-11-10 07:34 +0100
                Re: g++ on Cortex-M with no dynamic memory David Brown <david.brown@hesbynett.no> - 2016-11-10 10:43 +0100
                Re: g++ on Cortex-M with no dynamic memory Dave Nadler <drn@nadler.com> - 2016-11-11 16:53 -0800
                Re: g++ on Cortex-M with no dynamic memory David Brown <david.brown@hesbynett.no> - 2016-11-12 14:21 +0100
                Re: g++ on Cortex-M with no dynamic memory Jack <jack4747@gmail.com> - 2016-11-21 04:08 -0800
          Re: g++ on Cortex-M with no dynamic memory upsidedown@downunder.com - 2016-11-07 23:01 +0200
            Re: g++ on Cortex-M with no dynamic memory Don Y <blockedofcourse@foo.invalid> - 2016-11-07 14:14 -0700
              Re: g++ on Cortex-M with no dynamic memory upsidedown@downunder.com - 2016-11-08 10:57 +0200
                Re: g++ on Cortex-M with no dynamic memory Don Y <blockedofcourse@foo.invalid> - 2016-11-08 02:31 -0700
                Re: g++ on Cortex-M with no dynamic memory upsidedown@downunder.com - 2016-11-08 13:52 +0200
                Re: g++ on Cortex-M with no dynamic memory Dimiter_Popoff <dp@tgi-sci.com> - 2016-11-08 15:11 +0200
                Re: g++ on Cortex-M with no dynamic memory Don Y <blockedofcourse@foo.invalid> - 2016-11-08 08:01 -0700
                Re: g++ on Cortex-M with no dynamic memory Dimiter_Popoff <dp@tgi-sci.com> - 2016-11-09 08:26 +0200
                Re: g++ on Cortex-M with no dynamic memory Don Y <blockedofcourse@foo.invalid> - 2016-11-09 00:55 -0700
                Re: g++ on Cortex-M with no dynamic memory Dimiter_Popoff <dp@tgi-sci.com> - 2016-11-10 10:27 +0200
                Re: g++ on Cortex-M with no dynamic memory Don Y <blockedofcourse@foo.invalid> - 2016-11-10 02:40 -0700
                Re: g++ on Cortex-M with no dynamic memory Don Y <blockedofcourse@foo.invalid> - 2016-11-08 06:58 -0700
            Re: g++ on Cortex-M with no dynamic memory Wouter van Ooijen <wouter@voti.nl> - 2016-11-07 23:01 +0100
              Re: g++ on Cortex-M with no dynamic memory Dave Nadler <drn@nadler.com> - 2016-11-08 11:38 -0800
        Re: g++ on Cortex-M with no dynamic memory Tim Wescott <tim@seemywebsite.com> - 2016-11-07 20:02 -0600
    Re: g++ on Cortex-M with no dynamic memory upsidedown@downunder.com - 2016-11-07 22:56 +0200
      Re: g++ on Cortex-M with no dynamic memory Don Y <blockedofcourse@foo.invalid> - 2016-11-07 14:11 -0700
        Re: g++ on Cortex-M with no dynamic memory David Brown <david.brown@hesbynett.no> - 2016-11-08 10:37 +0100
          Re: g++ on Cortex-M with no dynamic memory upsidedown@downunder.com - 2016-11-08 13:38 +0200
            Re: g++ on Cortex-M with no dynamic memory David Brown <david.brown@hesbynett.no> - 2016-11-08 13:32 +0100
            Re: g++ on Cortex-M with no dynamic memory Don Y <blockedofcourse@foo.invalid> - 2016-11-08 07:09 -0700
  Re: g++ on Cortex-M with no dynamic memory Wouter van Ooijen <wouter@voti.nl> - 2016-11-07 08:10 +0100

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