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8189871: Refactor GC barriers to use declarative semantics

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Reviewed-by: pliden, rkennke, coleenp, dholmes, kbarrett, stefank
This commit is contained in:
Erik Österlund 2017-11-20 13:07:44 +01:00
parent 63122ba705
commit 3e5e2f03b1
45 changed files with 3458 additions and 806 deletions
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11
src/hotspot/share/gc/shared/cardTableModRefBS.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -27,8 +27,9 @@
#include "gc/shared/collectedHeap.hpp"
#include "gc/shared/genCollectedHeap.hpp"
#include "gc/shared/space.inline.hpp"
#include "memory/virtualspace.hpp"
#include "logging/log.hpp"
#include "memory/virtualspace.hpp"
#include "oops/oop.inline.hpp"
#include "services/memTracker.hpp"
#include "utilities/align.hpp"
#include "utilities/macros.hpp"
@ -363,11 +364,6 @@ void CardTableModRefBS::resize_covered_region(MemRegion new_region) {
// Note that these versions are precise! The scanning code has to handle the
// fact that the write barrier may be either precise or imprecise.
void CardTableModRefBS::write_ref_field_work(void* field, oop newVal, bool release) {
inline_write_ref_field(field, newVal, release);
}
void CardTableModRefBS::dirty_MemRegion(MemRegion mr) {
assert(align_down(mr.start(), HeapWordSize) == mr.start(), "Unaligned start");
assert(align_up (mr.end(), HeapWordSize) == mr.end(), "Unaligned end" );
@ -525,4 +521,3 @@ void CardTableModRefBS::print_on(outputStream* st) const {
st->print_cr("Card table byte_map: [" INTPTR_FORMAT "," INTPTR_FORMAT "] byte_map_base: " INTPTR_FORMAT,
p2i(_byte_map), p2i(_byte_map + _byte_map_size), p2i(byte_map_base));
}