Re: [avr-gcc-list] Confusing static method RAM usage.

[Georg-Johann Lay]

Marcin S schrieb:
> I never said this code does not compile.

It's text in square brackets. It describes the snipped-out text rather 
then quoting all that lines.

> using avr-gcc-4.5.3
> build opts are:
> avr-gcc -c -mmcu=atmega128 -x c++ -gdwarf-2 -DF_CPU=3686400UL  -Os
> -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
> -fno-exceptions -Wall -Wundef -ffunction-sections -fdata-sections
> -Wa,-adhlns=OBJ/PanelPellet.lst -I. -IhrdDefs -ImyClasses  -MMD -MP
> -MF .dep/PanelPellet.o.d PanelPellet.cpp -o OBJ/PanelPellet.o
>
> I prepared some related code snippets that should give You general
> idea how its organized.
> http://pastebin.com/96dWVww8
> Yet, this example code compiling just fine and avr-size report 0 bytes
> RAM used, just as it should.

yup, the code is compiled to

main:
.L2:
        rjmp .L2
        .size   main, .-main
.global panelObj
        .section        .bss.panelObj,"aw",@nobits
        .type   panelObj, @object
        .size   panelObj, 1
panelObj:
        .skip 1,0

So your memory leak is somewhere else, i.e. triggered by code you 
snipped out.

Compile the code with -save-temps and read s-file carefully and you see 
where the memory is needed.