a question about Code Space Requirements

[Correo Fernando-ruiz (E-mail)]

Easy. All the RTEMS CODE USED.

stdio printf() by exmaple And more code used implicitly.
The startup code,libio, ... and newlib code (big)

Fernando RUIZ CASAS
home: correo at fernando-ruiz.com
work: fernando.ruiz at ctv.es



> -----Mensaje original-----
> De: red-eye at 263.net [mailto:red-eye at 263.net]
> Enviado el: martes, 22 de mayo de 2001 15:14
> Para: rtems-users at OARcorp.com
> Asunto: a question about Code Space Requirements
>
>
> rtems-users£¬
>        Hello,
>
> I would like to use RTEMS on a board with the ERC32  processor
> when i have compiler the hello-world. i found the ELF file "
> hello-world.exe" was too big:about 800K bytes .i use sparc-rtems-
> objcopy tool to move the debugg information in it.then the file
> "hello-world.exe"become 115kbytes
> ls -al hello-world.exe
> -rwxrwxr-x    1 root     root       115209 May 21 14:08
> rtems-hello1.exe
> sparc-rtems-size hello-world.exe
>    text	   data	    bss	    dec	    hex	filename
>   84608	   4472	  19556	 108636	  1a85c	rtems-hello1.exe
> it was big too!  because:
> i see the RTEMS SPARC Applications Supplement pdf file,
> Chapter 8 memory require  specifies
> >
> >        Minimum          28,288
> >        Maximum          50,432
> helloworld application code i think about 2k--3kbytes .because
> i use sparc-rtems-objcopy on test.o file
> it become 2,340 bytes
> the left about 115k-50k-3k=62k is what?
> all the 62k is the console driver and printf?
> anybody can tell me which  compose the 115kbytes(the size of
> hello-world.exe).
>                                           thaks alot
>
>
>
>
>
>
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