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CodeBlockSet.cpp
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/*
* Copyright (C) 2013-2023 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#
include
"
config.h
"
#
include
"
CodeBlockSet.h
"
#
include
"
CodeBlock.h
"
#
include
"
HeapInlines.h
"
#
include
<
wtf/CommaPrinter.h
>
#
include
<
wtf/TZoneMallocInlines.h
>
namespace
JSC
{
WTF_MAKE_TZONE_ALLOCATED_IMPL
(CodeBlockSet);
CodeBlockSet::CodeBlockSet
() =
default
;
CodeBlockSet::~CodeBlockSet
() =
default
;
bool
CodeBlockSet::contains
(
const
AbstractLocker&,
void
* candidateCodeBlock)
{
RELEASE_ASSERT
(m_lock.
isLocked
());
CodeBlock* codeBlock =
static_cast
<CodeBlock*>(candidateCodeBlock);
if
(!UncheckedKeyHashSet<CodeBlock*>::
isValidValue
(codeBlock))
return
false
;
return
m_codeBlocks.
contains
(codeBlock);
}
void
CodeBlockSet::clearCurrentlyExecutingAndRemoveDeadCodeBlocks
(
VM
& vm)
{
ASSERT
(vm.
heap
.
isInPhase
(CollectorPhase::End));
m_currentlyExecuting.
clear
();
m_codeBlocks.
removeIf
([&](CodeBlock* codeBlock) {
return
!vm.
heap
.
isMarked
(codeBlock);
});
}
bool
CodeBlockSet::isCurrentlyExecuting
(CodeBlock* codeBlock)
{
return
m_currentlyExecuting.
contains
(codeBlock);
}
void
CodeBlockSet::dump
(PrintStream& out)
const
{
CommaPrinter comma;
out.
print
(
"
{codeBlocks = [
"
_s);
for
(CodeBlock* codeBlock : m_codeBlocks)
out.
print
(comma,
pointerDump
(codeBlock));
out.
print
(
"
], currentlyExecuting = [
"
_s);
comma =
CommaPrinter
();
for
(CodeBlock* codeBlock : m_currentlyExecuting)
out.
print
(comma,
pointerDump
(codeBlock));
out.
print
(
"
]}
"
_s);
}
void
CodeBlockSet::add
(CodeBlock* codeBlock)
{
Locker locker { m_lock };
auto
result = m_codeBlocks.
add
(codeBlock);
RELEASE_ASSERT
(result);
}
void
CodeBlockSet::remove
(CodeBlock* codeBlock)
{
Locker locker { m_lock };
bool
result = m_codeBlocks.
remove
(codeBlock);
RELEASE_ASSERT
(result);
}
}
//
namespace JSC
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