2011-12-06 Pedro Alves <pedro@codesourcery.com>

2011-12-06  Pedro Alves  <pedro@codesourcery.com>

	gdb/
	* breakpoint.c (breakpoint_restore_shadows): Rename to ...
	(breakpoint_xfer_memory): ... this.  Change prototype.  Handle
	memory writes too.
	* breakpoint.h (breakpoint_restore_shadows): Delete.
	(breakpoint_xfer_memory): Declare.
	* mem-break.c (default_memory_insert_breakpoint)
	(default_memory_remove_breakpoint): Use target_write_raw_memory.
	(memory_xfer_partial): Rename to ...
	(memory_xfer_partial_1): ... this.  Don't mask out breakpoints
	here.
	(memory_xfer_partial): New.
	(target_write_raw_memory): New.
	* target.h (target_write_raw_memory): New.

	gdb/testsuite/
	* gdb.base/break-always.exp: Test changing memory at addresses
	with breakpoints inserted.