Re: [avr-gcc-list] Re: [avrdude-dev] [RFC] avrdude FeatureRequestandCall for Volunteers

[Tymm]

On Mon, 12 Mar 2007, Colin O'Flynn wrote:

> Hey,
>
> How do I relocate the sections to the correct address? In the file I want to
> add fuses to, I have:
>
> const unsigned char lfuse __attribute__((section (".lfuse"))) = 0xFF;
> const unsigned char hfuse __attribute__((section (".hfuse"))) = 0x02;
> const unsigned char efuse __attribute__((section (".efuse"))) = 0xA4;
>
> But I get:
>
> Linking: main.elf
> avr-gcc -mmcu=atmega16 -I. -gstabs -DF_CPU=3680000UL  -O0 -funsigned-char
> -funsigned-bitfields -fpack-struct -fshort-enums -Wall -Wstrict-prototypes
> -Wa,-adhlns=main.o  -std=gnu99 -MD -MP -MF .dep/main.elf.d main.o --output
> main.elf -Wl,-Map=main.map,--cref  -Wl,-u,vfprintf -lprintf_min
> -Wl,-u,vfscanf -lscanf_min
> /opt/avr/lib/gcc/avr/3.4.4/../../../../avr/bin/ld: section .lfuse [00000bb4 ->
> 00000bb4] overlaps section .data [00000bb4 -> 00000bb7]
> /opt/avr/lib/gcc/avr/3.4.4/../../../../avr/bin/ld: section .hfuse [00000bb5 ->
> 00000bb5] overlaps section .data [00000bb4 -> 00000bb7]
> /opt/avr/lib/gcc/avr/3.4.4/../../../../avr/bin/ld: section .efuse [00000bb6 ->
> 00000bb6] overlaps section .data [00000bb4 -> 00000bb7]
> make: *** [main.elf] Error 1

quick (command-line) way is "-Wl,--section-start=.lfuse=<address> ..."; 
otherwise you can tweak the linker scripts.



--

"Do not doubt that a small group of dedicated individuals can change
the world. Indeed, that is all that ever has." -- Margaret Mead