xref: /external/v8/src/ia32/simulator-ia32.h

// Copyright 2008 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
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//
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#ifndef V8_IA32_SIMULATOR_IA32_H_
#define V8_IA32_SIMULATOR_IA32_H_

#include "allocation.h"

// 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);

// 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 {
 public:
  static inline uintptr_t JsLimitFromCLimit(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() { }
};

// Call the generated regexp code directly. The entry function pointer should
// expect seven int/pointer sized arguments and return an int.
#define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6) \
  entry(p0, p1, p2, p3, p4, p5, p6)

#define TRY_CATCH_FROM_ADDRESS(try_catch_address) \
  reinterpret_cast<TryCatch*>(try_catch_address)

#endif  // V8_IA32_SIMULATOR_IA32_H_