2003-06-07 Andrew Cagney <cagney@redhat.com>

2003-06-07  Andrew Cagney  <cagney@redhat.com>

	* gdbarch.sh (TARGET_READ_PC): Add predicate, remove default.
	* gdbarch.h, gdbarch.c: Re-generate.
	* regcache.c: Update comments on read_pc et.al.
	(generic_target_read_pc): Delete function.
	(read_pc_pid): Try TARGET_READ_PC and PC_REGNUM for a PC register.
	* inferior.h (generic_target_read_pc): Delete declaration.
	* frv-tdep.c (frv_gdbarch_init): Do not set read_pc to
	generic_target_read_pc.
	* sparc-tdep.c (sparc_gdbarch_init): Ditto.
	* sh-tdep.c (sh_gdbarch_init): Ditto.
	* rs6000-tdep.c (rs6000_gdbarch_init): Ditto.
	* m68hc11-tdep.c (m68hc11_gdbarch_init): Ditto.