73 static void ptrace_hbptriggered(struct perf_event *bp,  in ptrace_hbptriggered()  argument
77 	struct arch_hw_breakpoint *bkpt = counter_arch_bp(bp);  in ptrace_hbptriggered()
92 		if (current->thread.debug.hbp_break[i] == bp) {  in ptrace_hbptriggered()
99 		if (current->thread.debug.hbp_watch[i] == bp) {  in ptrace_hbptriggered()
143 	struct perf_event *bp = ERR_PTR(-EINVAL);  in ptrace_hbp_get_event()  local
148 			bp = tsk->thread.debug.hbp_break[idx];  in ptrace_hbp_get_event()
152 			bp = tsk->thread.debug.hbp_watch[idx];  in ptrace_hbp_get_event()
156 	return bp;  in ptrace_hbp_get_event()
162 				struct perf_event *bp)  in ptrace_hbp_set_event()  argument
169 			tsk->thread.debug.hbp_break[idx] = bp;  in ptrace_hbp_set_event()
175 			tsk->thread.debug.hbp_watch[idx] = bp;  in ptrace_hbp_set_event()
188 	struct perf_event *bp;  in ptrace_hbp_create()  local
214 	bp = register_user_hw_breakpoint(&attr, ptrace_hbptriggered, NULL, tsk);  in ptrace_hbp_create()
215 	if (IS_ERR(bp))  in ptrace_hbp_create()
216 		return bp;  in ptrace_hbp_create()
218 	err = ptrace_hbp_set_event(note_type, tsk, idx, bp);  in ptrace_hbp_create()
222 	return bp;  in ptrace_hbp_create()
287 	struct perf_event *bp = ptrace_hbp_get_event(note_type, tsk, idx);  in ptrace_hbp_get_ctrl()  local
289 	if (IS_ERR(bp))  in ptrace_hbp_get_ctrl()
290 		return PTR_ERR(bp);  in ptrace_hbp_get_ctrl()
292 	*ctrl = bp ? encode_ctrl_reg(counter_arch_bp(bp)->ctrl) : 0;  in ptrace_hbp_get_ctrl()
301 	struct perf_event *bp = ptrace_hbp_get_event(note_type, tsk, idx);  in ptrace_hbp_get_addr()  local
303 	if (IS_ERR(bp))  in ptrace_hbp_get_addr()
304 		return PTR_ERR(bp);  in ptrace_hbp_get_addr()
306 	*addr = bp ? bp->attr.bp_addr : 0;  in ptrace_hbp_get_addr()
314 	struct perf_event *bp = ptrace_hbp_get_event(note_type, tsk, idx);  in ptrace_hbp_get_initialised_bp()  local
316 	if (!bp)  in ptrace_hbp_get_initialised_bp()
317 		bp = ptrace_hbp_create(note_type, tsk, idx);  in ptrace_hbp_get_initialised_bp()
319 	return bp;  in ptrace_hbp_get_initialised_bp()
328 	struct perf_event *bp;  in ptrace_hbp_set_ctrl()  local
332 	bp = ptrace_hbp_get_initialised_bp(note_type, tsk, idx);  in ptrace_hbp_set_ctrl()
333 	if (IS_ERR(bp)) {  in ptrace_hbp_set_ctrl()
334 		err = PTR_ERR(bp);  in ptrace_hbp_set_ctrl()
338 	attr = bp->attr;  in ptrace_hbp_set_ctrl()
344 	return modify_user_hw_breakpoint(bp, &attr);  in ptrace_hbp_set_ctrl()
353 	struct perf_event *bp;  in ptrace_hbp_set_addr()  local
356 	bp = ptrace_hbp_get_initialised_bp(note_type, tsk, idx);  in ptrace_hbp_set_addr()
357 	if (IS_ERR(bp)) {  in ptrace_hbp_set_addr()
358 		err = PTR_ERR(bp);  in ptrace_hbp_set_addr()
362 	attr = bp->attr;  in ptrace_hbp_set_addr()
364 	err = modify_user_hw_breakpoint(bp, &attr);  in ptrace_hbp_set_addr()