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8252406: Introduce Thread::as_Java_thread() convenience function

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Reviewed-by: shade, coleenp, kbarrett, dcubed
This commit is contained in:
David Holmes 2020-09-11 01:31:32 +00:00
parent 488022689f
commit 976acddeb5
110 changed files with 360 additions and 456 deletions
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5
src/hotspot/share/runtime/deoptimization.cpp
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@ -810,7 +810,7 @@ class DeoptimizeMarkedClosure : public HandshakeClosure {
public:
DeoptimizeMarkedClosure() : HandshakeClosure("Deoptimize") {}
void do_thread(Thread* thread) {
JavaThread* jt = (JavaThread*)thread;
JavaThread* jt = thread->as_Java_thread();
jt->deoptimize_marked_methods();
}
};
@ -1697,8 +1697,7 @@ void Deoptimization::load_class_by_index(const constantPoolHandle& constant_pool
// to the runtime the stack is no longer guarded. Reguard the
// stack otherwise if we return to the uncommon trap blob and the
// stack bang causes a stack overflow we crash.
assert(THREAD->is_Java_thread(), "only a java thread can be here");
JavaThread* thread = (JavaThread*)THREAD;
JavaThread* thread = THREAD->as_Java_thread();
bool guard_pages_enabled = thread->stack_guards_enabled();
if (!guard_pages_enabled) guard_pages_enabled = thread->reguard_stack();
assert(guard_pages_enabled, "stack banging in uncommon trap blob may cause crash");