blob: df7fb30ac57d2949799592474e2e1dad3be8b666 [file] [log] [blame]
Andrei Popescu402d9372010-02-26 13:31:12 +00001// Copyright 2010 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
6// * Redistributions of source code must retain the above copyright
7// notice, this list of conditions and the following disclaimer.
8// * Redistributions in binary form must reproduce the above
9// copyright notice, this list of conditions and the following
10// disclaimer in the documentation and/or other materials provided
11// with the distribution.
12// * Neither the name of Google Inc. nor the names of its
13// contributors may be used to endorse or promote products derived
14// from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
Steve Block6ded16b2010-05-10 14:33:55 +010028#ifndef V8_VM_STATE_H_
29#define V8_VM_STATE_H_
Andrei Popescu402d9372010-02-26 13:31:12 +000030
Ben Murdochf87a2032010-10-22 12:50:53 +010031#include "top.h"
32
Andrei Popescu402d9372010-02-26 13:31:12 +000033namespace v8 {
34namespace internal {
35
Steve Block6ded16b2010-05-10 14:33:55 +010036class VMState BASE_EMBEDDED {
37#ifdef ENABLE_VMSTATE_TRACKING
Andrei Popescu402d9372010-02-26 13:31:12 +000038 public:
Ben Murdochb0fe1622011-05-05 13:52:32 +010039 inline explicit VMState(StateTag tag);
Steve Block6ded16b2010-05-10 14:33:55 +010040 inline ~VMState();
Andrei Popescu402d9372010-02-26 13:31:12 +000041
Steve Block6ded16b2010-05-10 14:33:55 +010042 private:
Ben Murdochb0fe1622011-05-05 13:52:32 +010043 StateTag previous_tag_;
Steve Block6ded16b2010-05-10 14:33:55 +010044
Steve Block6ded16b2010-05-10 14:33:55 +010045#else
46 public:
47 explicit VMState(StateTag state) {}
48#endif
Andrei Popescu402d9372010-02-26 13:31:12 +000049};
50
Ben Murdochb0fe1622011-05-05 13:52:32 +010051
52class ExternalCallbackScope BASE_EMBEDDED {
53#ifdef ENABLE_LOGGING_AND_PROFILING
54 public:
55 inline explicit ExternalCallbackScope(Address callback);
56 inline ~ExternalCallbackScope();
57 private:
58 Address previous_callback_;
59#else
60 public:
61 explicit ExternalCallbackScope(Address callback) {}
62#endif
63};
64
Andrei Popescu402d9372010-02-26 13:31:12 +000065} } // namespace v8::internal
66
Steve Block6ded16b2010-05-10 14:33:55 +010067
68#endif // V8_VM_STATE_H_