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// Copyright 2012 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_X87_SIMULATOR_X87_H_
#define V8_X87_SIMULATOR_X87_H_
#include "src/allocation.h"
namespace v8 {
namespace internal {
// Since there is no simulator for the ia32 architecture the only thing we can
// do is to call the entry directly.
#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))
// The stack limit beyond which we will throw stack overflow errors in
// generated code. Because generated code on ia32 uses the C stack, we
// just use the C stack limit.
class SimulatorStack : public v8::internal::AllStatic {
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_X87_SIMULATOR_X87_H_