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8218566: NMT: missing memory tag for assert poison page

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Reviewed-by: shade, stuefe
This commit is contained in:
Zhengyu Gu 2019-02-06 13:30:27 -05:00
parent 42f34d1076
commit 216049dc47
1 changed files with 4 additions and 1 deletions
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5
src/hotspot/share/utilities/debug.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2019, 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
@ -34,6 +34,7 @@
#include "gc/shared/collectedHeap.hpp"
#include "interpreter/bytecodeHistogram.hpp"
#include "interpreter/interpreter.hpp"
#include "memory/allocation.hpp"
#include "memory/resourceArea.hpp"
#include "memory/universe.hpp"
#include "oops/oop.inline.hpp"
@ -51,6 +52,7 @@
#include "runtime/vframe.hpp"
#include "runtime/vm_version.hpp"
#include "services/heapDumper.hpp"
#include "services/memTracker.hpp"
#include "utilities/defaultStream.hpp"
#include "utilities/events.hpp"
#include "utilities/formatBuffer.hpp"
@ -721,6 +723,7 @@ static ucontext_t g_stored_assertion_context;
void initialize_assert_poison() {
char* page = os::reserve_memory(os::vm_page_size());
if (page) {
MemTracker::record_virtual_memory_type(page, mtInternal);
if (os::commit_memory(page, os::vm_page_size(), false) &&
os::protect_memory(page, os::vm_page_size(), os::MEM_PROT_NONE)) {
g_assert_poison = page;