* gdbarch.sh: Add skip_permanent_breakpoint callback.

	* gdbarch.sh: Add skip_permanent_breakpoint callback.
	* gdbarch.h, gdbarch.c: Regenerate.

	* infrun.c (SKIP_PERMANENT_BREAKPOINT): Remove default definition.
	(resume): Call gdbarch_skip_permanent_breakpoint instead of
	SKIP_PERMANENT_BREAKPOINT.  Inline default case.

	* hppa-hpux-tdep.c (hppa_skip_permanent_breakpoint): Make static.
	Add REGCACHE argument.  Use it instead of read/write_register.
	(hppa_hpux_init_abi): Install hppa_skip_permanent_breakpoint.

	* config/pa/tm-hppah.h: Delete file.
	* config/pa/hppa64.mt (DEPRECATED_TM_FILE): Set to tm-hppa.h.
	* config/pa/hppahpux.mt (DEPRECATED_TM_FILE): Likewise.