1b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Copyright 2012 the V8 project authors. All rights reserved. 2b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Use of this source code is governed by a BSD-style license that can be 3b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// found in the LICENSE file. 4b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 5b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#ifndef V8_X87_SIMULATOR_X87_H_ 6b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#define V8_X87_SIMULATOR_X87_H_ 7b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 8b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#include "src/allocation.h" 9b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 10b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochnamespace v8 { 11b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochnamespace internal { 12b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 13b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Since there is no simulator for the ia32 architecture the only thing we can 14b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// do is to call the entry directly. 15014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch#define CALL_GENERATED_CODE(isolate, entry, p0, p1, p2, p3, p4) \ 16b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch (entry(p0, p1, p2, p3, p4)) 17b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 18b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 19b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochtypedef int (*regexp_matcher)(String*, int, const byte*, 20b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch const byte*, int*, int, Address, int, Isolate*); 21b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 22b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Call the generated regexp code directly. The code at the entry address should 23b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// expect eight int/pointer sized arguments and return an int. 24014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch#define CALL_GENERATED_REGEXP_CODE(isolate, entry, p0, p1, p2, p3, p4, p5, p6, \ 25014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch p7, p8) \ 26b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch (FUNCTION_CAST<regexp_matcher>(entry)(p0, p1, p2, p3, p4, p5, p6, p7, p8)) 27b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 28b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 29b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// The stack limit beyond which we will throw stack overflow errors in 30b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// generated code. Because generated code on ia32 uses the C stack, we 31b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// just use the C stack limit. 32b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochclass SimulatorStack : public v8::internal::AllStatic { 33b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch public: 34b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch static inline uintptr_t JsLimitFromCLimit(Isolate* isolate, 35b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch uintptr_t c_limit) { 36b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch USE(isolate); 37b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return c_limit; 38b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch } 39b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 40014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch static inline uintptr_t RegisterCTryCatch(Isolate* isolate, 41014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch uintptr_t try_catch_address) { 42014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch USE(isolate); 43b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return try_catch_address; 44b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch } 45b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 46014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch static inline void UnregisterCTryCatch(Isolate* isolate) { USE(isolate); } 47b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch}; 48b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 49014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch} // namespace internal 50014dc512cdd3e367bee49a713fdc5ed92584a3e5Ben Murdoch} // namespace v8 51b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 52b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#endif // V8_X87_SIMULATOR_X87_H_ 53