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// Copyright 2012 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef V8_X64_SIMULATOR_X64_H_
#define V8_X64_SIMULATOR_X64_H_
#include "allocation.h"
namespace v8 {
namespace internal {
// Since there is no simulator for the x64 architecture the only thing we can
// do is to call the entry directly.
// TODO(X64): Don't pass p0, since it isn't used?
#define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \
(entry(p0, p1, p2, p3, p4))
typedef int (*regexp_matcher)(String*, int, const byte*,
const byte*, int*, int, Address, int, Isolate*);
// Call the generated regexp code directly. The code at the entry address should
// expect eight int/pointer sized arguments and return an int.
#define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7, p8) \
(FUNCTION_CAST<regexp_matcher>(entry)(p0, p1, p2, p3, p4, p5, p6, p7, p8))
#define TRY_CATCH_FROM_ADDRESS(try_catch_address) \
(reinterpret_cast<TryCatch*>(try_catch_address))
// The stack limit beyond which we will throw stack overflow errors in
// generated code. Because generated code on x64 uses the C stack, we
// just use the C stack limit.
class SimulatorStack : public v8::internal::AllStatic {
public:
static inline uintptr_t JsLimitFromCLimit(Isolate* isolate,
uintptr_t c_limit) {
return c_limit;
}
static inline uintptr_t RegisterCTryCatch(uintptr_t try_catch_address) {
return try_catch_address;
}
static inline void UnregisterCTryCatch() { }
};
} } // namespace v8::internal
#endif // V8_X64_SIMULATOR_X64_H_
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