mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-26 21:50:53 +00:00
141 lines
4.6 KiB
C++
141 lines
4.6 KiB
C++
/*
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* Copyright (C) 2011-2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "ValueRecovery.h"
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#include "JSCJSValueInlines.h"
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namespace JSC {
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JSValue ValueRecovery::recover(CallFrame* callFrame) const
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{
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switch (technique()) {
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case DisplacedInJSStack:
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return callFrame->r(virtualRegister()).jsValue();
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case Int32DisplacedInJSStack:
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return jsNumber(callFrame->r(virtualRegister()).unboxedInt32());
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case Int52DisplacedInJSStack:
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return jsNumber(callFrame->r(virtualRegister()).unboxedInt52());
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case StrictInt52DisplacedInJSStack:
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return jsNumber(callFrame->r(virtualRegister()).unboxedStrictInt52());
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case DoubleDisplacedInJSStack:
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return jsNumber(purifyNaN(callFrame->r(virtualRegister()).unboxedDouble()));
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case CellDisplacedInJSStack:
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return callFrame->r(virtualRegister()).unboxedCell();
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case BooleanDisplacedInJSStack:
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#if USE(JSVALUE64)
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return callFrame->r(virtualRegister()).jsValue();
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#else
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return jsBoolean(callFrame->r(virtualRegister()).unboxedBoolean());
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#endif
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case Constant:
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return constant();
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default:
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RELEASE_ASSERT_NOT_REACHED();
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return JSValue();
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}
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}
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#if ENABLE(JIT)
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void ValueRecovery::dumpInContext(PrintStream& out, DumpContext* context) const
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{
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switch (technique()) {
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case InGPR:
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out.print(gpr());
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return;
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case UnboxedInt32InGPR:
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out.print("int32(", gpr(), ")");
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return;
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case UnboxedInt52InGPR:
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out.print("int52(", gpr(), ")");
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return;
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case UnboxedStrictInt52InGPR:
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out.print("strictInt52(", gpr(), ")");
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return;
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case UnboxedBooleanInGPR:
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out.print("bool(", gpr(), ")");
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return;
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case UnboxedCellInGPR:
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out.print("cell(", gpr(), ")");
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return;
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case InFPR:
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out.print(fpr());
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return;
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case UnboxedDoubleInFPR:
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out.print("double(", fpr(), ")");
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return;
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#if USE(JSVALUE32_64)
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case InPair:
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out.print("pair(", tagGPR(), ", ", payloadGPR(), ")");
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return;
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#endif
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case DisplacedInJSStack:
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out.print("*", virtualRegister());
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return;
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case Int32DisplacedInJSStack:
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out.print("*int32(", virtualRegister(), ")");
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return;
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case Int52DisplacedInJSStack:
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out.print("*int52(", virtualRegister(), ")");
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return;
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case StrictInt52DisplacedInJSStack:
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out.print("*strictInt52(", virtualRegister(), ")");
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return;
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case DoubleDisplacedInJSStack:
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out.print("*double(", virtualRegister(), ")");
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return;
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case CellDisplacedInJSStack:
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out.print("*cell(", virtualRegister(), ")");
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return;
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case BooleanDisplacedInJSStack:
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out.print("*bool(", virtualRegister(), ")");
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return;
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case DirectArgumentsThatWereNotCreated:
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out.print("DirectArguments(", nodeID(), ")");
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return;
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case ClonedArgumentsThatWereNotCreated:
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out.print("ClonedArguments(", nodeID(), ")");
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return;
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case Constant:
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out.print("[", inContext(constant(), context), "]");
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return;
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case DontKnow:
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out.printf("!");
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return;
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}
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RELEASE_ASSERT_NOT_REACHED();
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}
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void ValueRecovery::dump(PrintStream& out) const
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{
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dumpInContext(out, nullptr);
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}
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#endif // ENABLE(JIT)
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} // namespace JSC
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