jdk-sandbox: src/hotspot/share/gc/serial/markSweep.inline.hpp@a47d1e21b3f1 (annotated)

1 489c9b5090e2 Initial load duke parents: diff changeset	1	/*
49722 a47d1e21b3f1 8199735: Mark word updates need to use Access API rkennke parents: 49592 diff changeset	2	* Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
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5547 f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 5076 diff changeset	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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1 489c9b5090e2 Initial load duke parents: diff changeset	22	*
489c9b5090e2 Initial load duke parents: diff changeset	23	*/
489c9b5090e2 Initial load duke parents: diff changeset	24
30764 fec48bf5a827 8079792: GC directory structure cleanup pliden parents: 30150 diff changeset	25	#ifndef SHARE_VM_GC_SERIAL_MARKSWEEP_INLINE_HPP
fec48bf5a827 8079792: GC directory structure cleanup pliden parents: 30150 diff changeset	26	#define SHARE_VM_GC_SERIAL_MARKSWEEP_INLINE_HPP
7397 5b173b4ca846 6989984: Use standard include model for Hospot stefank parents: 6762 diff changeset	27
30764 fec48bf5a827 8079792: GC directory structure cleanup pliden parents: 30150 diff changeset	28	#include "gc/serial/markSweep.hpp"
46810 7dad333205cd 8179302: Pre-resolve constant pool string entries and cache resolved_reference arrays in CDS archive. jiangli parents: 46415 diff changeset	29	#include "memory/metaspaceShared.hpp"
32606 fdaa30d06ada 8129417: Oop iteration clean-up to remove oop_ms_follow_contents sjohanss parents: 31346 diff changeset	30	#include "memory/universe.hpp"
30764 fec48bf5a827 8079792: GC directory structure cleanup pliden parents: 30150 diff changeset	31	#include "oops/markOop.inline.hpp"
49592 77fb0be7d19f 8199946: Move load/store and encode/decode out of oopDesc stefank parents: 47897 diff changeset	32	#include "oops/access.inline.hpp"
77fb0be7d19f 8199946: Move load/store and encode/decode out of oopDesc stefank parents: 47897 diff changeset	33	#include "oops/compressedOops.inline.hpp"
32606 fdaa30d06ada 8129417: Oop iteration clean-up to remove oop_ms_follow_contents sjohanss parents: 31346 diff changeset	34	#include "oops/oop.inline.hpp"
31346 a70d45c06136 8042668: GC Support for shared heap ranges in CDS jiangli parents: 30764 diff changeset	35
29792 8c6fa07f0869 8075957: Reduce calls to the GC specific object visitors in oopDesc stefank parents: 27624 diff changeset	36	inline int MarkSweep::adjust_pointers(oop obj) {
46415 7d5a286cdf89 8138737: Remove oop_ms_adjust_pointers and use oop_iterate instead sjohanss parents: 46285 diff changeset	37	return obj->oop_iterate_size(&MarkSweep::adjust_pointer_closure);
29792 8c6fa07f0869 8075957: Reduce calls to the GC specific object visitors in oopDesc stefank parents: 27624 diff changeset	38	}
8c6fa07f0869 8075957: Reduce calls to the GC specific object visitors in oopDesc stefank parents: 27624 diff changeset	39
17105 25b392a7740d 8012687: Remove unused is_root checks and closures stefank parents: 15482 diff changeset	40	template <class T> inline void MarkSweep::adjust_pointer(T* p) {
49592 77fb0be7d19f 8199946: Move load/store and encode/decode out of oopDesc stefank parents: 47897 diff changeset	41	T heap_oop = RawAccess<>::oop_load(p);
77fb0be7d19f 8199946: Move load/store and encode/decode out of oopDesc stefank parents: 47897 diff changeset	42	if (!CompressedOops::is_null(heap_oop)) {
77fb0be7d19f 8199946: Move load/store and encode/decode out of oopDesc stefank parents: 47897 diff changeset	43	oop obj = CompressedOops::decode_not_null(heap_oop);
30150 d9c940aa42ef 8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution stefank parents: 29792 diff changeset	44	assert(Universe::heap()->is_in(obj), "should be in heap");
d9c940aa42ef 8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution stefank parents: 29792 diff changeset	45
49722 a47d1e21b3f1 8199735: Mark word updates need to use Access API rkennke parents: 49592 diff changeset	46	oop new_obj = oop(obj->mark_raw()->decode_pointer());
46810 7dad333205cd 8179302: Pre-resolve constant pool string entries and cache resolved_reference arrays in CDS archive. jiangli parents: 46415 diff changeset	47
47897 eb3696e0c6d8 8189734: Cleanup MarkSweep when G1 dependency is gone sjohanss parents: 47216 diff changeset	48	assert(new_obj != NULL \|\| // is forwarding ptr?
49722 a47d1e21b3f1 8199735: Mark word updates need to use Access API rkennke parents: 49592 diff changeset	49	obj->mark_raw() == markOopDesc::prototype() \|\| // not gc marked?
a47d1e21b3f1 8199735: Mark word updates need to use Access API rkennke parents: 49592 diff changeset	50	(UseBiasedLocking && obj->mark_raw()->has_bias_pattern()),
31346 a70d45c06136 8042668: GC Support for shared heap ranges in CDS jiangli parents: 30764 diff changeset	51	// not gc marked?
360 21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 1 diff changeset	52	"should be forwarded");
46810 7dad333205cd 8179302: Pre-resolve constant pool string entries and cache resolved_reference arrays in CDS archive. jiangli parents: 46415 diff changeset	53
360 21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 1 diff changeset	54	if (new_obj != NULL) {
47897 eb3696e0c6d8 8189734: Cleanup MarkSweep when G1 dependency is gone sjohanss parents: 47216 diff changeset	55	assert(Universe::heap()->is_in_reserved(new_obj),
eb3696e0c6d8 8189734: Cleanup MarkSweep when G1 dependency is gone sjohanss parents: 47216 diff changeset	56	"should be in object space");
49592 77fb0be7d19f 8199946: Move load/store and encode/decode out of oopDesc stefank parents: 47897 diff changeset	57	RawAccess<OOP_NOT_NULL>::oop_store(p, new_obj);
360 21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 1 diff changeset	58	}
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 1 diff changeset	59	}
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 1 diff changeset	60	}
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 1 diff changeset	61
30764 fec48bf5a827 8079792: GC directory structure cleanup pliden parents: 30150 diff changeset	62	#endif // SHARE_VM_GC_SERIAL_MARKSWEEP_INLINE_HPP

author	rkennke
	Thu, 05 Apr 2018 10:54:53 +0200
changeset 49722	a47d1e21b3f1
parent 49592	77fb0be7d19f
child 50728	9375184cec98
permissions	-rw-r--r--