Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(4)

Side by Side Diff: src/ppc/simulator-ppc.h

Issue 2752143003: [regexp] Remove remainder of native RegExpExecStub (Closed)
Patch Set: Fix arm compilation Created 3 years, 8 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 5
6 // Declares a Simulator for PPC instructions if we are not generating a native 6 // Declares a Simulator for PPC instructions if we are not generating a native
7 // PPC binary. This Simulator allows us to run and debug PPC code generation on 7 // PPC binary. This Simulator allows us to run and debug PPC code generation on
8 // regular desktop machines. 8 // regular desktop machines.
9 // V8 calls into generated code by "calling" the CALL_GENERATED_CODE macro, 9 // V8 calls into generated code by "calling" the CALL_GENERATED_CODE macro,
10 // which will start execution in the Simulator or forwards to the real entry 10 // which will start execution in the Simulator or forwards to the real entry
(...skipping 17 matching lines...) Expand all
28 typedef int (*ppc_regexp_matcher)(String*, int, const byte*, const byte*, int*, 28 typedef int (*ppc_regexp_matcher)(String*, int, const byte*, const byte*, int*,
29 int, Address, int, void*, Isolate*); 29 int, Address, int, void*, Isolate*);
30 30
31 31
32 // Call the generated regexp code directly. The code at the entry address 32 // Call the generated regexp code directly. The code at the entry address
33 // should act as a function matching the type ppc_regexp_matcher. 33 // should act as a function matching the type ppc_regexp_matcher.
34 // The ninth argument is a dummy that reserves the space used for 34 // The ninth argument is a dummy that reserves the space used for
35 // the return address added by the ExitFrame in native calls. 35 // the return address added by the ExitFrame in native calls.
36 #define CALL_GENERATED_REGEXP_CODE(isolate, entry, p0, p1, p2, p3, p4, p5, p6, \ 36 #define CALL_GENERATED_REGEXP_CODE(isolate, entry, p0, p1, p2, p3, p4, p5, p6, \
37 p7, p8) \ 37 p7, p8) \
38 (FUNCTION_CAST<ppc_regexp_matcher>(entry)(p0, p1, p2, p3, p4, p5, p6, p7, \ 38 (FUNCTION_CAST<ppc_regexp_matcher>(entry)(p0, p1, p2, p3, p4, p5, p6, p7, p8))
39 NULL, p8))
40 39
41 // The stack limit beyond which we will throw stack overflow errors in 40 // The stack limit beyond which we will throw stack overflow errors in
42 // generated code. Because generated code on ppc uses the C stack, we 41 // generated code. Because generated code on ppc uses the C stack, we
43 // just use the C stack limit. 42 // just use the C stack limit.
44 class SimulatorStack : public v8::internal::AllStatic { 43 class SimulatorStack : public v8::internal::AllStatic {
45 public: 44 public:
46 static inline uintptr_t JsLimitFromCLimit(v8::internal::Isolate* isolate, 45 static inline uintptr_t JsLimitFromCLimit(v8::internal::Isolate* isolate,
47 uintptr_t c_limit) { 46 uintptr_t c_limit) {
48 USE(isolate); 47 USE(isolate);
49 return c_limit; 48 return c_limit;
(...skipping 438 matching lines...) Expand 10 before | Expand all | Expand 10 after
488 487
489 // When running with the simulator transition into simulated execution at this 488 // When running with the simulator transition into simulated execution at this
490 // point. 489 // point.
491 #define CALL_GENERATED_CODE(isolate, entry, p0, p1, p2, p3, p4) \ 490 #define CALL_GENERATED_CODE(isolate, entry, p0, p1, p2, p3, p4) \
492 reinterpret_cast<Object*>(Simulator::current(isolate)->Call( \ 491 reinterpret_cast<Object*>(Simulator::current(isolate)->Call( \
493 FUNCTION_ADDR(entry), 5, (intptr_t)p0, (intptr_t)p1, (intptr_t)p2, \ 492 FUNCTION_ADDR(entry), 5, (intptr_t)p0, (intptr_t)p1, (intptr_t)p2, \
494 (intptr_t)p3, (intptr_t)p4)) 493 (intptr_t)p3, (intptr_t)p4))
495 494
496 #define CALL_GENERATED_REGEXP_CODE(isolate, entry, p0, p1, p2, p3, p4, p5, p6, \ 495 #define CALL_GENERATED_REGEXP_CODE(isolate, entry, p0, p1, p2, p3, p4, p5, p6, \
497 p7, p8) \ 496 p7, p8) \
498 Simulator::current(isolate)->Call(entry, 10, (intptr_t)p0, (intptr_t)p1, \ 497 Simulator::current(isolate)->Call( \
499 (intptr_t)p2, (intptr_t)p3, (intptr_t)p4, \ 498 entry, 10, (intptr_t)p0, (intptr_t)p1, (intptr_t)p2, (intptr_t)p3, \
500 (intptr_t)p5, (intptr_t)p6, (intptr_t)p7, \ 499 (intptr_t)p4, (intptr_t)p5, (intptr_t)p6, (intptr_t)p7, (intptr_t)p8)
501 (intptr_t)NULL, (intptr_t)p8)
502
503 500
504 // The simulator has its own stack. Thus it has a different stack limit from 501 // The simulator has its own stack. Thus it has a different stack limit from
505 // the C-based native code. The JS-based limit normally points near the end of 502 // the C-based native code. The JS-based limit normally points near the end of
506 // the simulator stack. When the C-based limit is exhausted we reflect that by 503 // the simulator stack. When the C-based limit is exhausted we reflect that by
507 // lowering the JS-based limit as well, to make stack checks trigger. 504 // lowering the JS-based limit as well, to make stack checks trigger.
508 class SimulatorStack : public v8::internal::AllStatic { 505 class SimulatorStack : public v8::internal::AllStatic {
509 public: 506 public:
510 static inline uintptr_t JsLimitFromCLimit(v8::internal::Isolate* isolate, 507 static inline uintptr_t JsLimitFromCLimit(v8::internal::Isolate* isolate,
511 uintptr_t c_limit) { 508 uintptr_t c_limit) {
512 return Simulator::current(isolate)->StackLimit(c_limit); 509 return Simulator::current(isolate)->StackLimit(c_limit);
513 } 510 }
514 511
515 static inline uintptr_t RegisterCTryCatch(v8::internal::Isolate* isolate, 512 static inline uintptr_t RegisterCTryCatch(v8::internal::Isolate* isolate,
516 uintptr_t try_catch_address) { 513 uintptr_t try_catch_address) {
517 Simulator* sim = Simulator::current(isolate); 514 Simulator* sim = Simulator::current(isolate);
518 return sim->PushAddress(try_catch_address); 515 return sim->PushAddress(try_catch_address);
519 } 516 }
520 517
521 static inline void UnregisterCTryCatch(v8::internal::Isolate* isolate) { 518 static inline void UnregisterCTryCatch(v8::internal::Isolate* isolate) {
522 Simulator::current(isolate)->PopAddress(); 519 Simulator::current(isolate)->PopAddress();
523 } 520 }
524 }; 521 };
525 } // namespace internal 522 } // namespace internal
526 } // namespace v8 523 } // namespace v8
527 524
528 #endif // !defined(USE_SIMULATOR) 525 #endif // !defined(USE_SIMULATOR)
529 #endif // V8_PPC_SIMULATOR_PPC_H_ 526 #endif // V8_PPC_SIMULATOR_PPC_H_
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698