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Ben Murdoche0cee9b2011-05-25 10:26:03 +01001// Copyright 2011 the V8 project authors. All rights reserved.
Steve Blocka7e24c12009-10-30 11:49:00 +00002// 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
28#ifndef V8_X64_SIMULATOR_X64_H_
29#define V8_X64_SIMULATOR_X64_H_
30
31#include "allocation.h"
32
John Reck59135872010-11-02 12:39:01 -070033namespace v8 {
34namespace internal {
35
36// Since there is no simulator for the x64 architecture the only thing we can
Steve Blocka7e24c12009-10-30 11:49:00 +000037// do is to call the entry directly.
38// TODO(X64): Don't pass p0, since it isn't used?
39#define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \
John Reck59135872010-11-02 12:39:01 -070040 (entry(p0, p1, p2, p3, p4))
41
Ben Murdoche0cee9b2011-05-25 10:26:03 +010042typedef int (*regexp_matcher)(String*, int, const byte*,
Steve Block44f0eee2011-05-26 01:26:41 +010043 const byte*, int*, Address, int, Isolate*);
Ben Murdoche0cee9b2011-05-25 10:26:03 +010044
45// Call the generated regexp code directly. The code at the entry address should
Steve Block44f0eee2011-05-26 01:26:41 +010046// expect eight int/pointer sized arguments and return an int.
47#define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7) \
48 (FUNCTION_CAST<regexp_matcher>(entry)(p0, p1, p2, p3, p4, p5, p6, p7))
John Reck59135872010-11-02 12:39:01 -070049
50#define TRY_CATCH_FROM_ADDRESS(try_catch_address) \
51 (reinterpret_cast<TryCatch*>(try_catch_address))
Steve Blocka7e24c12009-10-30 11:49:00 +000052
53// The stack limit beyond which we will throw stack overflow errors in
54// generated code. Because generated code on x64 uses the C stack, we
55// just use the C stack limit.
56class SimulatorStack : public v8::internal::AllStatic {
57 public:
Ben Murdoch257744e2011-11-30 15:57:28 +000058 static inline uintptr_t JsLimitFromCLimit(Isolate* isolate,
59 uintptr_t c_limit) {
Steve Blocka7e24c12009-10-30 11:49:00 +000060 return c_limit;
61 }
Steve Blockd0582a62009-12-15 09:54:21 +000062
63 static inline uintptr_t RegisterCTryCatch(uintptr_t try_catch_address) {
64 return try_catch_address;
65 }
66
67 static inline void UnregisterCTryCatch() { }
Steve Blocka7e24c12009-10-30 11:49:00 +000068};
69
John Reck59135872010-11-02 12:39:01 -070070} } // namespace v8::internal
Steve Blockd0582a62009-12-15 09:54:21 +000071
Steve Blocka7e24c12009-10-30 11:49:00 +000072#endif // V8_X64_SIMULATOR_X64_H_