Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef V8_X87_SIMULATOR_X87_H_ |
| 6 | #define V8_X87_SIMULATOR_X87_H_ |
| 7 | |
| 8 | #include "src/allocation.h" |
| 9 | |
| 10 | namespace v8 { |
| 11 | namespace internal { |
| 12 | |
| 13 | // Since there is no simulator for the ia32 architecture the only thing we can |
| 14 | // do is to call the entry directly. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 15 | #define CALL_GENERATED_CODE(isolate, entry, p0, p1, p2, p3, p4) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 16 | (entry(p0, p1, p2, p3, p4)) |
| 17 | |
| 18 | |
| 19 | typedef int (*regexp_matcher)(String*, int, const byte*, |
| 20 | const byte*, int*, int, Address, int, Isolate*); |
| 21 | |
| 22 | // Call the generated regexp code directly. The code at the entry address should |
| 23 | // expect eight int/pointer sized arguments and return an int. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 24 | #define CALL_GENERATED_REGEXP_CODE(isolate, entry, p0, p1, p2, p3, p4, p5, p6, \ |
| 25 | p7, p8) \ |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 26 | (FUNCTION_CAST<regexp_matcher>(entry)(p0, p1, p2, p3, p4, p5, p6, p7, p8)) |
| 27 | |
| 28 | |
| 29 | // The stack limit beyond which we will throw stack overflow errors in |
| 30 | // generated code. Because generated code on ia32 uses the C stack, we |
| 31 | // just use the C stack limit. |
| 32 | class SimulatorStack : public v8::internal::AllStatic { |
| 33 | public: |
| 34 | static inline uintptr_t JsLimitFromCLimit(Isolate* isolate, |
| 35 | uintptr_t c_limit) { |
| 36 | USE(isolate); |
| 37 | return c_limit; |
| 38 | } |
| 39 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 40 | static inline uintptr_t RegisterCTryCatch(Isolate* isolate, |
| 41 | uintptr_t try_catch_address) { |
| 42 | USE(isolate); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 43 | return try_catch_address; |
| 44 | } |
| 45 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 46 | static inline void UnregisterCTryCatch(Isolate* isolate) { USE(isolate); } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 47 | }; |
| 48 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 49 | } // namespace internal |
| 50 | } // namespace v8 |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 51 | |
| 52 | #endif // V8_X87_SIMULATOR_X87_H_ |