Problems with arm-elf-ld

[Jonathan Larmour]

igor.trevisan@virgilio.it wrote:
>  > /Tools/Xgcc-arm/xgcc/bin/arm-elf-ld: warning: cannot find entry
>     symbol start; defaulting to 02000000

You should provide the symbol start in your crt0.s

>  > prova1.o: In function `main':
>  > /home/mp3/prova1.c:6: undefined reference to `__gccmain'
>  > /home/mp3/prova1.c:11: undefined reference to `printf'
>  > /home/mp3/prova1.c:15: undefined reference to `printf'

You should add "-lgcc -lc -lgcc" to your link line.

Or it may be better to link with:

arm-elf-gcc -Tarmelf.x  -Wl,-Map,exe.map -o exe.elf *.o -nostartfiles

The -nostartfiles should stop gcc trying to link with newlib's crt0.o.

Jifl
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