628 result = MadeZombie;
629 assert(nm->is_zombie(), "nmethod must be zombie");
630 } else {
631 // Still alive, clean up its inline caches
632 MutexLocker cl(CompiledIC_lock);
633 nm->cleanup_inline_caches();
634 SWEEP(nm);
635 }
636 } else if (nm->is_unloaded()) {
637 // Unloaded code, just make it a zombie
638 if (PrintMethodFlushing && Verbose) {
639 tty->print_cr("### Nmethod %3d/" PTR_FORMAT " (unloaded) being made zombie", nm->compile_id(), nm);
640 }
641 if (nm->is_osr_method()) {
642 SWEEP(nm);
643 // No inline caches will ever point to osr methods, so we can just remove it
644 release_nmethod(nm);
645 assert(result == None, "sanity");
646 result = Flushed;
647 } else {
648 // Code cache state change is tracked in make_zombie()
649 nm->make_zombie();
650 SWEEP(nm);
651 assert(result == None, "sanity");
652 result = MadeZombie;
653 }
654 } else {
655 possibly_flush(nm);
656 // Clean-up all inline caches that point to zombie/non-reentrant methods
657 MutexLocker cl(CompiledIC_lock);
658 nm->cleanup_inline_caches();
659 SWEEP(nm);
660 }
661 return result;
662 }
663
664
665 void NMethodSweeper::possibly_flush(nmethod* nm) {
666 if (UseCodeCacheFlushing) {
667 if (!nm->is_locked_by_vm() && !nm->is_osr_method() && !nm->is_native_method()) {
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628 result = MadeZombie;
629 assert(nm->is_zombie(), "nmethod must be zombie");
630 } else {
631 // Still alive, clean up its inline caches
632 MutexLocker cl(CompiledIC_lock);
633 nm->cleanup_inline_caches();
634 SWEEP(nm);
635 }
636 } else if (nm->is_unloaded()) {
637 // Unloaded code, just make it a zombie
638 if (PrintMethodFlushing && Verbose) {
639 tty->print_cr("### Nmethod %3d/" PTR_FORMAT " (unloaded) being made zombie", nm->compile_id(), nm);
640 }
641 if (nm->is_osr_method()) {
642 SWEEP(nm);
643 // No inline caches will ever point to osr methods, so we can just remove it
644 release_nmethod(nm);
645 assert(result == None, "sanity");
646 result = Flushed;
647 } else {
648 {
649 // Clean ICs of unloaded nmethods as well because they may reference other
650 // unloaded nmethods that may be flushed earlier in the sweeper cycle.
651 MutexLocker cl(CompiledIC_lock);
652 nm->cleanup_inline_caches();
653 }
654 // Code cache state change is tracked in make_zombie()
655 nm->make_zombie();
656 SWEEP(nm);
657 assert(result == None, "sanity");
658 result = MadeZombie;
659 }
660 } else {
661 possibly_flush(nm);
662 // Clean-up all inline caches that point to zombie/non-reentrant methods
663 MutexLocker cl(CompiledIC_lock);
664 nm->cleanup_inline_caches();
665 SWEEP(nm);
666 }
667 return result;
668 }
669
670
671 void NMethodSweeper::possibly_flush(nmethod* nm) {
672 if (UseCodeCacheFlushing) {
673 if (!nm->is_locked_by_vm() && !nm->is_osr_method() && !nm->is_native_method()) {
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