/*
* Handle debug exception notifications.
*/
int __kprobes hw_breakpoint_exceptions_notify(
struct notifier_block *unused, unsigned long val, void *data)
{
if (val != DIE_DEBUG)
return NOTIFY_DONE;
return hw_breakpoint_handler(data);
}
int __kprobes hw_breakpoint_exceptions_notify(struct notifier_block *unused,
unsigned long val, void *data)
{
struct die_args *args = data;
if (val != DIE_BREAKPOINT)
return NOTIFY_DONE;
if (args->trapnr != sh_ubc->trap_nr)
return NOTIFY_DONE;
return hw_breakpoint_handler(data);
}
/*
* Handle debug exception notifications.
*/
int __kprobes hw_breakpoint_exceptions_notify(
struct notifier_block *unused, unsigned long val, void *data)
{
int ret = NOTIFY_DONE;
switch (val) {
case DIE_DABR_MATCH:
ret = hw_breakpoint_handler(data);
break;
case DIE_SSTEP:
ret = single_step_dabr_instruction(data);
break;
}
return ret;
}
/*
* Handle debug exception notifications.
*/
int __kprobes hw_breakpoint_exceptions_notify(struct notifier_block *unused,
unsigned long val, void *data)
{
struct die_args *args = data;
if (val != DIE_BREAKPOINT)
return NOTIFY_DONE;
/*
* If the breakpoint hasn't been triggered by the UBC, it's
* probably from a debugger, so don't do anything more here.
*
* This also permits the UBC interface clock to remain off for
* non-UBC breakpoints, as we don't need to check the triggered
* or active channel masks.
*/
if (args->trapnr != sh_ubc->trap_nr)
return NOTIFY_DONE;
return hw_breakpoint_handler(data);
}
