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rewrite only if changed.

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* vm_trace.c (update_global_event_hook): rewrite ISeqs only when
  effective events are changed.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60765 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2017-11-14 13:25:11 +00:00
parent b000b1d930
commit 19ae98d5ce
1 changed files with 12 additions and 1 deletions
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13
vm_trace.c
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@ -59,11 +59,22 @@ rb_vm_trace_mark_event_hooks(rb_hook_list_t *hooks)
/* ruby_vm_event_flags management */
#define RUBY_EVENTS_TRACE_BY_ISEQ (RUBY_EVENT_LINE | \
RUBY_EVENT_CLASS | \
RUBY_EVENT_END | \
RUBY_EVENT_CALL | \
RUBY_EVENT_RETURN| \
RUBY_EVENT_B_CALL| \
RUBY_EVENT_B_RETURN)
static void
update_global_event_hook(rb_event_flag_t vm_events)
{
if ((vm_events & RUBY_EVENTS_TRACE_BY_ISEQ) !=
(ruby_vm_event_flags & RUBY_EVENTS_TRACE_BY_ISEQ)) {
rb_iseq_trace_set_all(vm_events);
}
ruby_vm_event_flags = vm_events;
rb_iseq_trace_set_all(vm_events);
rb_objspace_set_event_hook(vm_events);
}