changeset in /hg/icedtea6: 2009-05-01 Gary Benson <gbenson at red...
Gary Benson
gbenson at redhat.com
Fri May 1 02:21:00 PDT 2009
changeset 34524a71ee10 in /hg/icedtea6
details: http://icedtea.classpath.org/hg/icedtea6?cmd=changeset;node=34524a71ee10
description:
2009-05-01 Gary Benson <gbenson at redhat.com>
* ports/hotspot/src/share/vm/shark/sharkFrameCache.hpp: New file.
* ports/hotspot/src/share/vm/shark/sharkFrameCache.cpp: Likewise.
* ports/hotspot/src/share/vm/shark/sharkFunction.hpp
(SharkFunction::_oopmap_frame_size): Removed field.
(SharkFunction::_extended_frame_size): New field.
(SharkFunction::extended_frame_size): New method.
(SharkFunction::oopmap_frame_size): Updated for the above.
* ports/hotspot/src/share/vm/shark/sharkFunction.cpp
(SharkFunction::CreateBuildFrame): Likewise.
* ports/hotspot/src/share/vm/shark/sharkState.hpp
(SharkState::SharkState): Remove optional method argument.
(SharkState::_frame_cache): New field.
(SharkState::frame_cache): New method.
* ports/hotspot/src/share/vm/shark/sharkState.cpp
(SharkState::SharkState): Remove optional method argument.
(SharkState::initialize): Initialize frame cache.
(SharkState::equal_to): Compare frame cache.
(SharkState::merge): Merge frame cache.
(SharkState::decache_for_Java_call): Pass frame cache.
(SharkState::cache_after_Java_call): Likewise.
(SharkState::decache_for_VM_call): Likewise.
(SharkState::cache_after_VM_call): Likewise.
(SharkState::decache_for_trap): Likewise.
(SharkEntryState::SharkEntryState): Don't load initial local
variables directly, populate the state with dummy values and
use a SharkFunctionEntryCacher to perform the loads.
* ports/hotspot/src/share/vm/shark/sharkCacheDecache.hpp
(SharkCacherDecacher::SharkCacherDecacher): Remove bci argument,
and add frame cache argument.
(SharkCacherDecacher::_frame_cache): New field.
(SharkCacherDecacher::frame_cache): New method.
(SharkCacherDecacher::_bci): Removed field.
(SharkCacherDecacher::bci): Removed method.
(SharkDecacher::SharkDecacher): Add frame cache argument.
(SharkDecacher::_bci): New field.
(SharkDecacher::bci): New method.
(SharkDecacher::write_value_to_frame): New method.
(SharkJavaCallDecacher::SharkJavaCallDecacher): Add frame cache.
(SharkVMCallDecacher::SharkVMCallDecacher): Likewise.
(SharkTrapDecacher::SharkTrapDecacher): Likewise.
(SharkCacher::SharkCacher): Likewise.
(SharkDecacher::process_method_slot): Made virtual.
(SharkDecacher::local_slot_needs_read): Likewise.
(SharkDecacher::read_value_from_frame): New method.
(SharkJavaCallCacher::SharkJavaCallDecacher): Add frame cache.
(SharkVMCallCacher::SharkVMCallDecacher): Likewise.
(SharkFunctionEntryCacher): New class.
* ports/hotspot/src/share/vm/shark/sharkCacheDecache.cpp
(SharkDecacher::process_stack_slot): Use write_value_to_frame.
(SharkDecacher::process_method_slot): Likewise.
(SharkDecacher::process_local_slot): Likewise.
(SharkCacher::process_stack_slot): Use read_value_from_frame.
(SharkCacher::process_method_slot): Likewise.
(SharkCacher::process_local_slot): Likewise.
(SharkFunctionEntryCacher::process_method_slot): New method.
(SharkDecacher::write_value_to_frame): Likewise.
(SharkDecacher::read_value_from_frame): Likewise.
* ports/hotspot/src/share/vm/includeDB_shark: Updated.
diffstat:
10 files changed, 412 insertions(+), 99 deletions(-)
ChangeLog | 65 ++++++++
ports/hotspot/src/share/vm/includeDB_shark | 13 +
ports/hotspot/src/share/vm/shark/sharkCacheDecache.cpp | 67 +++++---
ports/hotspot/src/share/vm/shark/sharkCacheDecache.hpp | 126 ++++++++++++----
ports/hotspot/src/share/vm/shark/sharkFrameCache.cpp | 66 ++++++++
ports/hotspot/src/share/vm/shark/sharkFrameCache.hpp | 66 ++++++++
ports/hotspot/src/share/vm/shark/sharkFunction.cpp | 6
ports/hotspot/src/share/vm/shark/sharkFunction.hpp | 8 -
ports/hotspot/src/share/vm/shark/sharkState.cpp | 73 +++++----
ports/hotspot/src/share/vm/shark/sharkState.hpp | 21 +-
diffs (truncated from 868 to 500 lines):
diff -r afe7df786dd4 -r 34524a71ee10 ChangeLog
--- a/ChangeLog Thu Apr 30 16:31:55 2009 -0400
+++ b/ChangeLog Fri May 01 05:17:26 2009 -0400
@@ -1,3 +1,68 @@ 2009-04-30 Deepak Bhole <dbhole at redhat.c
+2009-05-01 Gary Benson <gbenson at redhat.com>
+
+ * ports/hotspot/src/share/vm/shark/sharkFrameCache.hpp: New file.
+ * ports/hotspot/src/share/vm/shark/sharkFrameCache.cpp: Likewise.
+
+ * ports/hotspot/src/share/vm/shark/sharkFunction.hpp
+ (SharkFunction::_oopmap_frame_size): Removed field.
+ (SharkFunction::_extended_frame_size): New field.
+ (SharkFunction::extended_frame_size): New method.
+ (SharkFunction::oopmap_frame_size): Updated for the above.
+ * ports/hotspot/src/share/vm/shark/sharkFunction.cpp
+ (SharkFunction::CreateBuildFrame): Likewise.
+
+ * ports/hotspot/src/share/vm/shark/sharkState.hpp
+ (SharkState::SharkState): Remove optional method argument.
+ (SharkState::_frame_cache): New field.
+ (SharkState::frame_cache): New method.
+ * ports/hotspot/src/share/vm/shark/sharkState.cpp
+ (SharkState::SharkState): Remove optional method argument.
+ (SharkState::initialize): Initialize frame cache.
+ (SharkState::equal_to): Compare frame cache.
+ (SharkState::merge): Merge frame cache.
+ (SharkState::decache_for_Java_call): Pass frame cache.
+ (SharkState::cache_after_Java_call): Likewise.
+ (SharkState::decache_for_VM_call): Likewise.
+ (SharkState::cache_after_VM_call): Likewise.
+ (SharkState::decache_for_trap): Likewise.
+ (SharkEntryState::SharkEntryState): Don't load initial local
+ variables directly, populate the state with dummy values and
+ use a SharkFunctionEntryCacher to perform the loads.
+
+ * ports/hotspot/src/share/vm/shark/sharkCacheDecache.hpp
+ (SharkCacherDecacher::SharkCacherDecacher): Remove bci argument,
+ and add frame cache argument.
+ (SharkCacherDecacher::_frame_cache): New field.
+ (SharkCacherDecacher::frame_cache): New method.
+ (SharkCacherDecacher::_bci): Removed field.
+ (SharkCacherDecacher::bci): Removed method.
+ (SharkDecacher::SharkDecacher): Add frame cache argument.
+ (SharkDecacher::_bci): New field.
+ (SharkDecacher::bci): New method.
+ (SharkDecacher::write_value_to_frame): New method.
+ (SharkJavaCallDecacher::SharkJavaCallDecacher): Add frame cache.
+ (SharkVMCallDecacher::SharkVMCallDecacher): Likewise.
+ (SharkTrapDecacher::SharkTrapDecacher): Likewise.
+ (SharkCacher::SharkCacher): Likewise.
+ (SharkDecacher::process_method_slot): Made virtual.
+ (SharkDecacher::local_slot_needs_read): Likewise.
+ (SharkDecacher::read_value_from_frame): New method.
+ (SharkJavaCallCacher::SharkJavaCallDecacher): Add frame cache.
+ (SharkVMCallCacher::SharkVMCallDecacher): Likewise.
+ (SharkFunctionEntryCacher): New class.
+ * ports/hotspot/src/share/vm/shark/sharkCacheDecache.cpp
+ (SharkDecacher::process_stack_slot): Use write_value_to_frame.
+ (SharkDecacher::process_method_slot): Likewise.
+ (SharkDecacher::process_local_slot): Likewise.
+ (SharkCacher::process_stack_slot): Use read_value_from_frame.
+ (SharkCacher::process_method_slot): Likewise.
+ (SharkCacher::process_local_slot): Likewise.
+ (SharkFunctionEntryCacher::process_method_slot): New method.
+ (SharkDecacher::write_value_to_frame): Likewise.
+ (SharkDecacher::read_value_from_frame): Likewise.
+
+ * ports/hotspot/src/share/vm/includeDB_shark: Updated.
+
2009-04-30 Deepak Bhole <dbhole at redhat.com>
* plugin/icedtea/sun/applet/PluginAppletSecurityContext.java: Forgo
diff -r afe7df786dd4 -r 34524a71ee10 ports/hotspot/src/share/vm/includeDB_shark
--- a/ports/hotspot/src/share/vm/includeDB_shark Thu Apr 30 16:31:55 2009 -0400
+++ b/ports/hotspot/src/share/vm/includeDB_shark Fri May 01 05:17:26 2009 -0400
@@ -117,12 +117,14 @@ sharkCacheDecache.cpp
sharkCacheDecache.cpp llvmValue.hpp
sharkCacheDecache.cpp sharkBuilder.hpp
sharkCacheDecache.cpp sharkCacheDecache.hpp
+sharkCacheDecache.cpp sharkFrameCache.hpp
sharkCacheDecache.cpp sharkFunction.hpp
sharkCacheDecache.cpp sharkState.inline.hpp
sharkCacheDecache.hpp ciMethod.hpp
sharkCacheDecache.hpp debugInfoRec.hpp
sharkCacheDecache.hpp sharkBuilder.hpp
+sharkCacheDecache.hpp sharkFrameCache.hpp
sharkCacheDecache.hpp sharkFunction.hpp
sharkCacheDecache.hpp sharkStateScanner.hpp
@@ -173,6 +175,15 @@ sharkEntry.cpp
sharkEntry.hpp llvmHeaders.hpp
+sharkFrameCache.cpp allocation.hpp
+sharkFrameCache.cpp llvmHeaders.hpp
+sharkFrameCache.cpp sharkFrameCache.hpp
+sharkFrameCache.cpp sharkFunction.hpp
+
+sharkFrameCache.hpp allocation.hpp
+sharkFrameCache.hpp llvmHeaders.hpp
+sharkFrameCache.hpp sharkFunction.hpp
+
sharkFunction.cpp allocation.hpp
sharkFunction.cpp ciTypeFlow.hpp
sharkFunction.cpp debug.hpp
@@ -263,6 +274,7 @@ sharkState.cpp
sharkState.cpp ciTypeFlow.hpp
sharkState.cpp sharkBuilder.hpp
sharkState.cpp sharkCacheDecache.hpp
+sharkState.cpp sharkFrameCache.hpp
sharkState.cpp sharkState.inline.hpp
sharkState.cpp sharkTopLevelBlock.hpp
sharkState.cpp sharkType.hpp
@@ -272,6 +284,7 @@ sharkState.hpp
sharkState.hpp ciMethod.hpp
sharkState.hpp llvmHeaders.hpp
sharkState.hpp sharkBuilder.hpp
+sharkState.hpp sharkFrameCache.hpp
sharkState.hpp sharkValue.hpp
sharkState.inline.hpp sharkBlock.hpp
diff -r afe7df786dd4 -r 34524a71ee10 ports/hotspot/src/share/vm/shark/sharkCacheDecache.cpp
--- a/ports/hotspot/src/share/vm/shark/sharkCacheDecache.cpp Thu Apr 30 16:31:55 2009 -0400
+++ b/ports/hotspot/src/share/vm/shark/sharkCacheDecache.cpp Fri May 01 05:17:26 2009 -0400
@@ -59,11 +59,10 @@ void SharkDecacher::process_stack_slot(i
// Write the value to the frame if necessary
if (stack_slot_needs_write(index, value)) {
- builder()->CreateStore(
+ write_value_to_frame(
+ SharkType::to_stackType(value->basic_type()),
value->generic_value(),
- function()->CreateAddressOfFrameEntry(
- adjusted_offset(value, offset),
- SharkType::to_stackType(value->basic_type())));
+ adjusted_offset(value, offset));
}
// Record the value in the oopmap if necessary
@@ -104,11 +103,11 @@ void SharkDecacher::process_method_slot(
void SharkDecacher::process_method_slot(llvm::Value** value, int offset)
{
// Decache the method pointer
- builder()->CreateStore(
+ write_value_to_frame(
+ SharkType::methodOop_type(),
*value,
- function()->CreateAddressOfFrameEntry(
- offset,
- SharkType::methodOop_type()));
+ offset);
+
oopmap()->set_oop(slot2reg(offset));
}
@@ -134,11 +133,10 @@ void SharkDecacher::process_local_slot(i
// Write the value to the frame if necessary
if (local_slot_needs_write(index, value)) {
- builder()->CreateStore(
+ write_value_to_frame(
+ SharkType::to_stackType(value->basic_type()),
value->generic_value(),
- function()->CreateAddressOfFrameEntry(
- adjusted_offset(value, offset),
- SharkType::to_stackType(value->basic_type())));
+ adjusted_offset(value, offset));
}
// Record the value in the oopmap if necessary
@@ -177,10 +175,9 @@ void SharkCacher::process_stack_slot(int
if (stack_slot_needs_read(index, value)) {
*addr = SharkValue::create_generic(
value->type(),
- builder()->CreateLoad(
- function()->CreateAddressOfFrameEntry(
- adjusted_offset(value, offset),
- SharkType::to_stackType(value->basic_type()))),
+ read_value_from_frame(
+ SharkType::to_stackType(value->basic_type()),
+ adjusted_offset(value, offset)),
value->zero_checked());
}
}
@@ -188,10 +185,14 @@ void SharkCacher::process_method_slot(ll
void SharkCacher::process_method_slot(llvm::Value** value, int offset)
{
// Cache the method pointer
- *value = builder()->CreateLoad(
- function()->CreateAddressOfFrameEntry(
- offset,
- SharkType::methodOop_type()));
+ *value = read_value_from_frame(SharkType::methodOop_type(), offset);
+}
+
+void SharkFunctionEntryCacher::process_method_slot(llvm::Value** value,
+ int offset)
+{
+ // "Cache" the method pointer
+ *value = method();
}
void SharkCacher::process_local_slot(int index,
@@ -204,10 +205,28 @@ void SharkCacher::process_local_slot(int
if (local_slot_needs_read(index, value)) {
*addr = SharkValue::create_generic(
value->type(),
- builder()->CreateLoad(
- function()->CreateAddressOfFrameEntry(
- adjusted_offset(value, offset),
- SharkType::to_stackType(value->basic_type()))),
+ read_value_from_frame(
+ SharkType::to_stackType(value->basic_type()),
+ adjusted_offset(value, offset)),
value->zero_checked());
}
}
+
+void SharkDecacher::write_value_to_frame(const llvm::Type* type,
+ llvm::Value* value,
+ int offset)
+{
+ if (frame_cache()->value(offset) != value) {
+ builder()->CreateStore(
+ value,
+ function()->CreateAddressOfFrameEntry(offset, type));
+ }
+}
+
+Value* SharkCacher::read_value_from_frame(const llvm::Type* type, int offset)
+{
+ Value *result = builder()->CreateLoad(
+ function()->CreateAddressOfFrameEntry(offset, type));
+ frame_cache()->set_value(offset, result);
+ return result;
+}
diff -r afe7df786dd4 -r 34524a71ee10 ports/hotspot/src/share/vm/shark/sharkCacheDecache.hpp
--- a/ports/hotspot/src/share/vm/shark/sharkCacheDecache.hpp Thu Apr 30 16:31:55 2009 -0400
+++ b/ports/hotspot/src/share/vm/shark/sharkCacheDecache.hpp Fri May 01 05:17:26 2009 -0400
@@ -1,6 +1,6 @@
/*
* Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved.
- * Copyright 2008 Red Hat, Inc.
+ * Copyright 2008, 2009 Red Hat, Inc.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -33,26 +33,27 @@
// - SharkCacher
// - SharkJavaCallCacher
// - SharkVMCallCacher
+// - SharkFunctionEntryCacher
class SharkCacherDecacher : public SharkStateScanner {
protected:
- SharkCacherDecacher(SharkFunction* function, int bci)
- : SharkStateScanner(function), _bci(bci) {}
+ SharkCacherDecacher(SharkFunction* function, SharkFrameCache* frame_cache)
+ : SharkStateScanner(function), _frame_cache(frame_cache) {}
+
+ private:
+ SharkFrameCache* _frame_cache;
+
+ protected:
+ SharkFrameCache* frame_cache() const
+ {
+ return _frame_cache;
+ }
protected:
SharkBuilder* builder() const
{
return function()->builder();
}
-
- private:
- int _bci;
-
- protected:
- int bci() const
- {
- return _bci;
- }
// Helper
protected:
@@ -66,8 +67,17 @@ class SharkCacherDecacher : public Shark
class SharkDecacher : public SharkCacherDecacher {
protected:
- SharkDecacher(SharkFunction* function, int bci)
- : SharkCacherDecacher(function, bci) {}
+ SharkDecacher(SharkFunction* function, SharkFrameCache* frame_cache, int bci)
+ : SharkCacherDecacher(function, frame_cache), _bci(bci) {}
+
+ private:
+ int _bci;
+
+ protected:
+ int bci() const
+ {
+ return _bci;
+ }
private:
DebugInformationRecorder* debug_info() const
@@ -171,12 +181,21 @@ class SharkDecacher : public SharkCacher
return Location::normal;
return Location::invalid;
}
+
+ // Writer helper
+ protected:
+ void write_value_to_frame(const llvm::Type* type,
+ llvm::Value* value,
+ int offset);
};
class SharkJavaCallDecacher : public SharkDecacher {
public:
- SharkJavaCallDecacher(SharkFunction* function, int bci, ciMethod* callee)
- : SharkDecacher(function, bci), _callee(callee) {}
+ SharkJavaCallDecacher(SharkFunction* function,
+ SharkFrameCache* frame_cache,
+ int bci,
+ ciMethod* callee)
+ : SharkDecacher(function, frame_cache, bci), _callee(callee) {}
private:
ciMethod* _callee;
@@ -220,8 +239,10 @@ class SharkJavaCallDecacher : public Sha
class SharkVMCallDecacher : public SharkDecacher {
public:
- SharkVMCallDecacher(SharkFunction* function, int bci)
- : SharkDecacher(function, bci) {}
+ SharkVMCallDecacher(SharkFunction* function,
+ SharkFrameCache* frame_cache,
+ int bci)
+ : SharkDecacher(function, frame_cache, bci) {}
// Stack slot helpers
protected:
@@ -256,8 +277,10 @@ class SharkVMCallDecacher : public Shark
class SharkTrapDecacher : public SharkDecacher {
public:
- SharkTrapDecacher(SharkFunction* function, int bci)
- : SharkDecacher(function, bci) {}
+ SharkTrapDecacher(SharkFunction* function,
+ SharkFrameCache* frame_cache,
+ int bci)
+ : SharkDecacher(function, frame_cache, bci) {}
// Stack slot helpers
protected:
@@ -292,14 +315,14 @@ class SharkTrapDecacher : public SharkDe
class SharkCacher : public SharkCacherDecacher {
protected:
- SharkCacher(SharkFunction* function, int bci)
- : SharkCacherDecacher(function, bci) {}
+ SharkCacher(SharkFunction* function, SharkFrameCache* frame_cache)
+ : SharkCacherDecacher(function, frame_cache) {}
// Callbacks
protected:
void process_stack_slot(int index, SharkValue** value, int offset);
- void process_method_slot(llvm::Value** value, int offset);
+ virtual void process_method_slot(llvm::Value** value, int offset);
void process_local_slot(int index, SharkValue** value, int offset);
@@ -309,16 +332,22 @@ class SharkCacher : public SharkCacherDe
// Local slot helper
protected:
- bool local_slot_needs_read(int index, SharkValue* value)
- {
- return value && value->is_jobject();
- }
+ virtual bool local_slot_needs_read(int index, SharkValue* value)
+ {
+ return value && value->is_jobject();
+ }
+
+ // Writer helper
+ protected:
+ llvm::Value* read_value_from_frame(const llvm::Type* type, int offset);
};
class SharkJavaCallCacher : public SharkCacher {
public:
- SharkJavaCallCacher(SharkFunction* function, int bci, ciMethod* callee)
- : SharkCacher(function, bci), _callee(callee) {}
+ SharkJavaCallCacher(SharkFunction* function,
+ SharkFrameCache* frame_cache,
+ ciMethod* callee)
+ : SharkCacher(function, frame_cache), _callee(callee) {}
private:
ciMethod* _callee;
@@ -340,8 +369,8 @@ class SharkJavaCallCacher : public Shark
class SharkVMCallCacher : public SharkCacher {
public:
- SharkVMCallCacher(SharkFunction* function, int bci)
- : SharkCacher(function, bci) {}
+ SharkVMCallCacher(SharkFunction* function, SharkFrameCache* frame_cache)
+ : SharkCacher(function, frame_cache) {}
// Stack slot helper
protected:
@@ -350,3 +379,38 @@ class SharkVMCallCacher : public SharkCa
return value && value->is_jobject();
}
};
+
+class SharkFunctionEntryCacher : public SharkCacher {
+ public:
+ SharkFunctionEntryCacher(SharkFunction* function,
+ SharkFrameCache* frame_cache,
+ llvm::Value* method)
+ : SharkCacher(function, frame_cache), _method(method) {}
+
+ private:
+ llvm::Value* _method;
+
+ private:
+ llvm::Value* method() const
+ {
+ return _method;
+ }
+
+ // Method slot callback
+ protected:
+ void process_method_slot(llvm::Value** value, int offset);
+
+ // Stack slot helper
+ protected:
+ bool stack_slot_needs_read(int index, SharkValue* value)
+ {
+ ShouldNotReachHere(); // entry block shouldn't have stack
+ }
+
+ // Local slot helper
+ protected:
+ virtual bool local_slot_needs_read(int index, SharkValue* value)
+ {
+ return value != NULL;
+ }
+};
diff -r afe7df786dd4 -r 34524a71ee10 ports/hotspot/src/share/vm/shark/sharkFrameCache.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ports/hotspot/src/share/vm/shark/sharkFrameCache.cpp Fri May 01 05:17:26 2009 -0400
@@ -0,0 +1,66 @@
+/*
+ * Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved.
+ * Copyright 2009 Red Hat, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+#include "incls/_precompiled.incl"
+#include "incls/_sharkFrameCache.cpp.incl"
+
+using namespace llvm;
+
+SharkFrameCache::SharkFrameCache(SharkFunction *function)
+ : _frame_size(function->extended_frame_size())
+{
+ _values = NEW_RESOURCE_ARRAY(Value*, frame_size());
+ memset(_values, 0, frame_size() * sizeof(Value *));
+}
+
+SharkFrameCache::SharkFrameCache(const SharkFrameCache* cache)
+ : _frame_size(cache->frame_size())
+{
+ _values = NEW_RESOURCE_ARRAY(Value*, frame_size());
+ memcpy(_values, cache->_values, frame_size() * sizeof(Value *));
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