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JDK-8281450: Remove unnecessary operator new and delete from ObjectMonitor #7377

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tstuefe wants to merge 2 commits into from
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JDK-8281450: Remove unnecessary operator new and delete from ObjectMonitor #7377

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922cbbc
remove ObjMon new and delete
tstuefe Feb 8, 2022
17efee0
update copyright
tstuefe Feb 8, 2022
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15 changes: 1 addition & 14 deletions src/hotspot/share/runtime/objectMonitor.cpp
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright (c) 1998, 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1998, 2022, 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
Expand Down Expand Up @@ -233,19 +233,6 @@ OopStorage* ObjectMonitor::_oop_storage = NULL;
// * See also http://blogs.sun.com/dave


void* ObjectMonitor::operator new (size_t size) throw() {
return AllocateHeap(size, mtInternal);
}
void* ObjectMonitor::operator new[] (size_t size) throw() {
return operator new (size);
}
void ObjectMonitor::operator delete(void* p) {
FreeHeap(p);
}
void ObjectMonitor::operator delete[] (void *p) {
operator delete(p);
}

// Check that object() and set_object() are called from the right context:
static void check_object_context() {
#ifdef ASSERT
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7 changes: 1 addition & 6 deletions src/hotspot/share/runtime/objectMonitor.hpp
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright (c) 1998, 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1998, 2022, 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
Expand Down Expand Up @@ -203,11 +203,6 @@ class ObjectMonitor : public CHeapObj<mtInternal> {

static int Knob_SpinLimit;

void* operator new (size_t size) throw();
void* operator new[] (size_t size) throw();
void operator delete(void* p);
void operator delete[] (void* p);

// TODO-FIXME: the "offset" routines should return a type of off_t instead of int ...
// ByteSize would also be an appropriate type.
static int header_offset_in_bytes() { return offset_of(ObjectMonitor, _header); }
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