Introduce gdb_breakpoint_up

This introduces gdb_breakpoint_up, a unique_ptr typedef that owns a
breakpoint.  It then changes set_momentary_breakpoint to return a
gdb_breakpoint_up and fixes up the fallout.  This then allows the
removal of make_cleanup_delete_breakpoint.

Once breakpoints are fully C++-ified, this typedef can be removed in
favor of a plain std::unique_ptr.

gdb/ChangeLog
2017-11-04  Tom Tromey  <tom@tromey.com>

	* breakpoint.c (set_momentary_breakpoint): Return
	breakpoint_up.
	(until_break_command): Update.
	(new_until_break_fsm): Change argument types to
	breakpoint_up.
	(set_momentary_breakpoint_at_pc): Return breakpoint_up.
	(do_delete_breakpoint_cleanup, make_cleanup_delete_breakpoint):
	Remove.
	* infcmd.c (finish_forward): Update.
	* breakpoint.h (set_momentary_breakpoint)
	(set_momentary_breakpoint_at_pc): Return breakpoint_up.
	(make_cleanup_delete_breakpoint): Remove.
	(struct breakpoint_deleter): New.
	(breakpoint_up): New typedef.
	* infrun.c (insert_step_resume_breakpoint_at_sal_1): Update.
	(insert_exception_resume_breakpoint): Update.
	(insert_exception_resume_from_probe): Update.
	(insert_longjmp_resume_breakpoint): Update.
	* arm-linux-tdep.c (arm_linux_copy_svc): Update.
	* elfread.c (elf_gnu_ifunc_resolver_stop): Update.
	* infcall.c (call_function_by_hand_dummy): Update
This commit is contained in:
Tom Tromey 2017-11-01 22:32:45 -06:00
parent 331b71e5ee
commit 454dafbdf2
8 changed files with 63 additions and 41 deletions

View file

@ -1223,10 +1223,22 @@ extern void breakpoint_re_set (void);
extern void breakpoint_re_set_thread (struct breakpoint *);
extern struct breakpoint *set_momentary_breakpoint
extern void delete_breakpoint (struct breakpoint *);
struct breakpoint_deleter
{
void operator() (struct breakpoint *b) const
{
delete_breakpoint (b);
}
};
typedef std::unique_ptr<struct breakpoint, breakpoint_deleter> breakpoint_up;
extern breakpoint_up set_momentary_breakpoint
(struct gdbarch *, struct symtab_and_line, struct frame_id, enum bptype);
extern struct breakpoint *set_momentary_breakpoint_at_pc
extern breakpoint_up set_momentary_breakpoint_at_pc
(struct gdbarch *, CORE_ADDR pc, enum bptype type);
extern struct breakpoint *clone_momentary_breakpoint (struct breakpoint *bpkt);
@ -1235,10 +1247,6 @@ extern void set_ignore_count (int, int, int);
extern void breakpoint_init_inferior (enum inf_context);
extern struct cleanup *make_cleanup_delete_breakpoint (struct breakpoint *);
extern void delete_breakpoint (struct breakpoint *);
extern void breakpoint_auto_delete (bpstat);
typedef void (*walk_bp_location_callback) (struct bp_location *, void *);