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7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely

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Reviewed-by: never, bdelsart
This commit is contained in:
Christian Thalinger 2011-10-27 04:43:37 -07:00
parent 669fa7396d
commit 6d1f314a4b
7 changed files with 55 additions and 5 deletions
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17
hotspot/src/share/vm/c1/c1_Runtime1.cpp
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@ -681,6 +681,23 @@ JRT_LEAF(void, Runtime1::monitorexit(JavaThread* thread, BasicObjectLock* lock))
}
JRT_END
// Cf. OptoRuntime::deoptimize_caller_frame
JRT_ENTRY(void, Runtime1::deoptimize(JavaThread* thread))
// Called from within the owner thread, so no need for safepoint
RegisterMap reg_map(thread, false);
frame stub_frame = thread->last_frame();
assert(stub_frame.is_runtime_frame(), "sanity check");
frame caller_frame = stub_frame.sender(&reg_map);
// We are coming from a compiled method; check this is true.
assert(CodeCache::find_nmethod(caller_frame.pc()) != NULL, "sanity");
// Deoptimize the caller frame.
Deoptimization::deoptimize_frame(thread, caller_frame.id());
// Return to the now deoptimized frame.
JRT_END
static klassOop resolve_field_return_klass(methodHandle caller, int bci, TRAPS) {
Bytecode_field field_access(caller, bci);