Taking into account Andrew's suggestions, here's the patch I've just 
committed.  I've also updated the generated copyright message that 
gdbarch.sh produces.

2002-02-04  Richard Earnshaw  <rearnsha@arm.com>

	* gdbarch.sh (copyright): Update years in generated header.
	(SMASH_TEXT_ADDRESS): Add rule.
	*gdbarch.h, gdbarch.c: Re-generate.
	* coffread.c: Multi-arch uses of SMASH_TEXT_ADDRESS.
	* dbxread.c: Likewise.
	* dwarfread.c: Likewise.
	* elfread.c: Likewise.
	* somread.c: Likewise.

	* arm-tdep.c (arm_smash_text_address): New function.
	* config/arm/tm-arm.h (SMASH_TEXT_ADDRESS): Define in terms of above.