How to tell the linker to place the particular function at the specified address?

Hi,
I'm struggling to find out how can I tell the GNU linker (using
msp430-gcc frontend to msp430-ld with -Xlinker option) to place the
particular function at the specified address.

Suppose I have a __interrupt void Timer0_A0_alter(void) function that
I'd like to have exactly at 0xC400. Could you give me any hint?

Best Regards,
Tomek

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