simulator-ia32.h revision eab96aab0834f21954b5d6aa6366bcfb348ed811 
1// Copyright 2008 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
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5//
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15//
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27
28#ifndef V8_IA32_SIMULATOR_IA32_H_
29#define V8_IA32_SIMULATOR_IA32_H_
30
31#include "allocation.h"
32
33// Since there is no simulator for the ia32 architecture the only thing we can
34// do is to call the entry directly.
35#define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \
36  entry(p0, p1, p2, p3, p4);
37
38// The stack limit beyond which we will throw stack overflow errors in
39// generated code. Because generated code on ia32 uses the C stack, we
40// just use the C stack limit.
41class SimulatorStack : public v8::internal::AllStatic {
42 public:
43  static inline uintptr_t JsLimitFromCLimit(uintptr_t c_limit) {
44    return c_limit;
45  }
46
47  static inline uintptr_t RegisterCTryCatch(uintptr_t try_catch_address) {
48    return try_catch_address;
49  }
50
51  static inline void UnregisterCTryCatch() { }
52};
53
54// Call the generated regexp code directly. The entry function pointer should
55// expect eight int/pointer sized arguments and return an int.
56#define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7) \
57  entry(p0, p1, p2, p3, p4, p5, p6, p7)
58
59#define TRY_CATCH_FROM_ADDRESS(try_catch_address) \
60  reinterpret_cast<TryCatch*>(try_catch_address)
61
62#endif  // V8_IA32_SIMULATOR_IA32_H_
63