1/*
2 * Copyright (C) 2012-2015 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "InlineCallFrame.h"
28
29#include "CallFrame.h"
30#include "CodeBlock.h"
31#include "JSCInlines.h"
32
33namespace JSC {
34
35JSFunction* InlineCallFrame::calleeConstant() const
36{
37 if (calleeRecovery.isConstant())
38 return jsCast<JSFunction*>(calleeRecovery.constant());
39 return nullptr;
40}
41
42JSFunction* InlineCallFrame::calleeForCallFrame(ExecState* exec) const
43{
44 return jsCast<JSFunction*>(calleeRecovery.recover(exec));
45}
46
47CodeBlockHash InlineCallFrame::hash() const
48{
49 return baselineCodeBlock->hash();
50}
51
52CString InlineCallFrame::hashAsStringIfPossible() const
53{
54 return baselineCodeBlock->hashAsStringIfPossible();
55}
56
57CString InlineCallFrame::inferredName() const
58{
59 return jsCast<FunctionExecutable*>(baselineCodeBlock->ownerExecutable())->ecmaName().utf8();
60}
61
62void InlineCallFrame::dumpBriefFunctionInformation(PrintStream& out) const
63{
64 out.print(inferredName(), "#", hashAsStringIfPossible());
65}
66
67void InlineCallFrame::dumpInContext(PrintStream& out, DumpContext* context) const
68{
69 out.print(briefFunctionInformation(), ":<", RawPointer(baselineCodeBlock.get()));
70 if (isStrictMode())
71 out.print(" (StrictMode)");
72 out.print(", bc#", directCaller.bytecodeIndex(), ", ", static_cast<Kind>(kind));
73 if (isClosureCall)
74 out.print(", closure call");
75 else
76 out.print(", known callee: ", inContext(calleeRecovery.constant(), context));
77 out.print(", numArgs+this = ", argumentCountIncludingThis);
78 out.print(", numFixup = ", argumentsWithFixup.size() - argumentCountIncludingThis);
79 out.print(", stackOffset = ", stackOffset);
80 out.print(" (", virtualRegisterForLocal(0), " maps to ", virtualRegisterForLocal(0) + stackOffset, ")>");
81}
82
83void InlineCallFrame::dump(PrintStream& out) const
84{
85 dumpInContext(out, 0);
86}
87
88} // namespace JSC
89
90namespace WTF {
91
92void printInternal(PrintStream& out, JSC::InlineCallFrame::Kind kind)
93{
94 switch (kind) {
95 case JSC::InlineCallFrame::Call:
96 out.print("Call");
97 return;
98 case JSC::InlineCallFrame::Construct:
99 out.print("Construct");
100 return;
101 case JSC::InlineCallFrame::TailCall:
102 out.print("TailCall");
103 return;
104 case JSC::InlineCallFrame::CallVarargs:
105 out.print("CallVarargs");
106 return;
107 case JSC::InlineCallFrame::ConstructVarargs:
108 out.print("ConstructVarargs");
109 return;
110 case JSC::InlineCallFrame::TailCallVarargs:
111 out.print("TailCallVarargs");
112 return;
113 case JSC::InlineCallFrame::GetterCall:
114 out.print("GetterCall");
115 return;
116 case JSC::InlineCallFrame::SetterCall:
117 out.print("SetterCall");
118 return;
119 }
120 RELEASE_ASSERT_NOT_REACHED();
121}
122
123} // namespace WTF
124
125