With the 1611 (i was using the wrong mmcu)
The result, it's the same.
As Cristopher explains me what go in the .bss.
A curious thing, in the case of the rs274ngc, if i initialize some
variables (large structs), the .data section grows beyond expectations
text data bss dec hex filename
626 18 0 644 284 canon_stand_alone.o
4366 0 0 4366 110e driver.o
54 6 0 60 3c file.o
90 0 0 90 5a math.o
28990 27166 0 56156 db5c rs274ngc.o
for the rs274ngc
before data + bss = 3766
after data + bss = 27166 (26.5 KB aprox)
Why?
On 02/02/06, [email protected] > If i run
msp430-size over the binaries, the sum of sizes for .bss is
> 62. May be i'm not reading it right...
>
> ADMRED-25459# msp430-size *.o
> text data bss dec hex filename
> 626 6 12 644 284 canon_stand_alone.o
> 4366 0 0 4366 110e driver.o
> 54 6 0 60 3c file.o
> 90 0 0 90 5a math.o
> 28990 3716 50 32756 7ff4 rs274ngc.o
> ADMRED-25459#
>
>
> --__--__--
>
> Message: 2
> From: Dmitry <[email protected]>
> Organization: spec
> To: [email protected]
> Subject: Re: [Mspgcc-users] [.bss and other questions]
> Date: Wed, 1 Feb 2006 22:35:47 +0300
> Reply-To: [email protected]
>
>
> > > ADMRED-25459# msp430-size *.o
> > > text data bss dec hex filename
> > > 626 6 12 644 284 canon_stand_alone.o
> > > 4366 0 0 4366 110e driver.o
> > > 54 6 0 60 3c file.o
> > > 90 0 0 90 5a math.o
> > > 28990 3716 50 32756 7ff4 rs274ngc.o
>
> There are '.data' section overload in rs274ngc.? file.
> RAM requirements can be computed as size of .bss plus size of .data
> I see you need 3716 + 50 + 12 + 6 = 3784 bytes + ,may be, some align pads.
> This is too much for 1612...
>
> Check if some data can be declared as constant...
>
> cheers,
> ~d
>
>
>
> --__--__--
>
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