* procfs.h: New.
	* proc-utils.h (procfs_first_available): Don't declare here.
	* sol-thread.c: Include procfs.h instead of sys/procfs.h and
	proc-utils.h.
	* procfs.c: Include procfs.h.
	(procfs_target): Make it public.  Don't register
	procfs_can_use_hw_breakpoint here.
	(proc_set_watchpoint): Check for PCWATCH or PIOCSWATCH being
	defined instead of TARGET_HAS_HARDWARE_WATCHPOINTS.
	(procfs_can_use_hw_breakpoint): Remove check of
	TARGET_HAS_HARDWARE_WATCHPOINTS.
	(procfs_use_watchpoints): Register procfs_can_use_hw_breakpoint
	here.
	(_initialize_procfs): Don't add the procfs target here.

	* i386-sol2-nat.c: Include target.h and procfs.h.
	(_initialize_amd64_sol2_nat): Install the procfs target here,
	customized with watchpoints support.
	* irix5-nat.c: Include target.h.
	(_initialize_core_irix5): Rename to ...
	(_initialize_irix5_nat): ... this.  Install the procfs target
	here, customized with watchpoints support.
	* alpha-nat.c: Include procfs.h.
	(_initialize_core_alpha): Rename to...
	(_initialize_alpha_nat): ... this.  Install the procfs target
	here, customized with watchpoints support.
	* sparc-sol2-nat.c: Include target.h and procfs.h.
	(_initialize_sparc_sol2_nat): New.

	* config/i386/nm-i386sol2.h (TARGET_HAS_HARDWARE_WATCHPOINTS): Delete.
	* config/sparc/nm-sol2.h (TARGET_HAS_HARDWARE_WATCHPOINTS): Delete.
	* config/mips/irix5.mh (NAT_FILE): Delete.
	* config/mips/irix6.mh (NAT_FILE): Delete.
	* config/mips/nm-irix5.h: Delete.

2009-06-07  Pedro Alves  <pedro@codesourcery.com>

	* gdbint.texinfo (TARGET_HAS_HARDWARE_WATCHPOINTS): Delete all
	references.