const-fy function parameter struct address_space *aspace

const-fy function parameter struct address_space *aspace

This patch changes the parameter "struct address_space *aspace" to "const
address_space *aspace" in many functions.

gdb:

2017-10-26  Yao Qi  <yao.qi@linaro.org>

	* breakpoint.c (breakpoint_location_address_match): Change
	"struct address_space *" to "const address_space".
	(breakpoint_location_address_range_overlap): Likewise.
	(breakpoint_here_p): Likewise.
	(breakpoint_in_range_p): Likewise.
	(moribund_breakpoint_here_p): Likewise.
	(bp_location_inserted_here_p): Likewise.
	(software_breakpoint_inserted_here_p): Likewise.
	(hardware_breakpoint_inserted_here_p): Likewise.
	(hardware_watchpoint_inserted_in_range): Likewise.
	(bpstat_check_location): Likewise.
	(bpstat_stop_status): Likewise.
	(breakpoint_address_match): Likewise.
	(breakpoint_address_match_range): Likewise.
	(breakpoint_location_address_match): Likewise.
	(breakpoint_location_address_range_overlap): Likewise.
	(insert_single_step_breakpoint): Likewise.
	(breakpoint_has_location_inserted_here): Likewise.
	(single_step_breakpoint_inserted_here_p): Likewise.
	(pc_at_non_inline_function): Likewise.
	* breakpoint.h (bpstat_stop_status): Update declaration.
	(breakpoint_here_p): Likewise.
	(breakpoint_in_range_p): Likewise.
	(moribund_breakpoint_here_p): Likewise.
	(breakpoint_inserted_here_p): Likewise.
	(software_breakpoint_inserted_here_p): Likewise.
	(hardware_breakpoint_inserted_here_p): Likewise.
	(breakpoint_has_location_inserted_here): Likewise.
	(single_step_breakpoint_inserted_here_p): Likewise.
	(hardware_watchpoint_inserted_in_range): Likewise.
	(breakpoint_address_match): Likewise.
	(insert_single_step_breakpoint): Likewise.
	(pc_at_non_inline_function): Likewise.
	* gdbthread.h (thread_has_single_step_breakpoint_here): Likewise.
	* record.c (record_check_stopped_by_breakpoint): Likewise.
	* record.h (record_check_stopped_by_breakpoint): Likewise.
	* thread.c (thread_has_single_step_breakpoint_here): Likewise.