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Issue 219233002: Cleanup bootstrapper, execution and factory modules. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 8 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Use of this source code is governed by a BSD-style license that can be
3 // modification, are permitted provided that the following conditions are 3 // found in the LICENSE file.
4 // met:
5 //
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 4
28 #ifndef V8_EXECUTION_H_ 5 #ifndef V8_EXECUTION_H_
29 #define V8_EXECUTION_H_ 6 #define V8_EXECUTION_H_
30 7
31 #include "allocation.h" 8 #include "handles.h"
32 9
33 namespace v8 { 10 namespace v8 {
34 namespace internal { 11 namespace internal {
35 12
36
37 // Flag used to set the interrupt causes. 13 // Flag used to set the interrupt causes.
38 enum InterruptFlag { 14 enum InterruptFlag {
39 INTERRUPT = 1 << 0, 15 INTERRUPT = 1 << 0,
40 DEBUGBREAK = 1 << 1, 16 DEBUGBREAK = 1 << 1,
41 DEBUGCOMMAND = 1 << 2, 17 DEBUGCOMMAND = 1 << 2,
42 PREEMPT = 1 << 3, 18 PREEMPT = 1 << 3,
43 TERMINATE = 1 << 4, 19 TERMINATE = 1 << 4,
44 GC_REQUEST = 1 << 5, 20 GC_REQUEST = 1 << 5,
45 FULL_DEOPT = 1 << 6, 21 FULL_DEOPT = 1 << 6,
46 INSTALL_CODE = 1 << 7, 22 INSTALL_CODE = 1 << 7,
47 API_INTERRUPT = 1 << 8, 23 API_INTERRUPT = 1 << 8,
48 DEOPT_MARKED_ALLOCATION_SITES = 1 << 9 24 DEOPT_MARKED_ALLOCATION_SITES = 1 << 9
49 }; 25 };
50 26
51 27
52 class Isolate; 28 class Execution V8_FINAL : public AllStatic {
53
54
55 class Execution : public AllStatic {
56 public: 29 public:
57 // Call a function, the caller supplies a receiver and an array 30 // Call a function, the caller supplies a receiver and an array
58 // of arguments. Arguments are Object* type. After function returns, 31 // of arguments. Arguments are Object* type. After function returns,
59 // pointers in 'args' might be invalid. 32 // pointers in 'args' might be invalid.
60 // 33 //
61 // *pending_exception tells whether the invoke resulted in 34 // *pending_exception tells whether the invoke resulted in
62 // a pending exception. 35 // a pending exception.
63 // 36 //
64 // When convert_receiver is set, and the receiver is not an object, 37 // When convert_receiver is set, and the receiver is not an object,
65 // and the function called is not in strict mode, receiver is converted to 38 // and the function called is not in strict mode, receiver is converted to
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178 static void EnqueueMicrotask(Isolate* isolate, Handle<Object> microtask); 151 static void EnqueueMicrotask(Isolate* isolate, Handle<Object> microtask);
179 }; 152 };
180 153
181 154
182 class ExecutionAccess; 155 class ExecutionAccess;
183 156
184 157
185 // StackGuard contains the handling of the limits that are used to limit the 158 // StackGuard contains the handling of the limits that are used to limit the
186 // number of nested invocations of JavaScript and the stack size used in each 159 // number of nested invocations of JavaScript and the stack size used in each
187 // invocation. 160 // invocation.
188 class StackGuard { 161 class StackGuard V8_FINAL {
189 public: 162 public:
190 // Pass the address beyond which the stack should not grow. The stack 163 // Pass the address beyond which the stack should not grow. The stack
191 // is assumed to grow downwards. 164 // is assumed to grow downwards.
192 void SetStackLimit(uintptr_t limit); 165 void SetStackLimit(uintptr_t limit);
193 166
194 // Threading support. 167 // Threading support.
195 char* ArchiveStackGuard(char* to); 168 char* ArchiveStackGuard(char* to);
196 char* RestoreStackGuard(char* from); 169 char* RestoreStackGuard(char* from);
197 static int ArchiveSpacePerThread() { return sizeof(ThreadLocal); } 170 static int ArchiveSpacePerThread() { return sizeof(ThreadLocal); }
198 void FreeThreadResources(); 171 void FreeThreadResources();
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283 void DisableInterrupts(); 256 void DisableInterrupts();
284 257
285 #if V8_TARGET_ARCH_X64 || V8_TARGET_ARCH_ARM64 258 #if V8_TARGET_ARCH_X64 || V8_TARGET_ARCH_ARM64
286 static const uintptr_t kInterruptLimit = V8_UINT64_C(0xfffffffffffffffe); 259 static const uintptr_t kInterruptLimit = V8_UINT64_C(0xfffffffffffffffe);
287 static const uintptr_t kIllegalLimit = V8_UINT64_C(0xfffffffffffffff8); 260 static const uintptr_t kIllegalLimit = V8_UINT64_C(0xfffffffffffffff8);
288 #else 261 #else
289 static const uintptr_t kInterruptLimit = 0xfffffffe; 262 static const uintptr_t kInterruptLimit = 0xfffffffe;
290 static const uintptr_t kIllegalLimit = 0xfffffff8; 263 static const uintptr_t kIllegalLimit = 0xfffffff8;
291 #endif 264 #endif
292 265
293 class ThreadLocal { 266 class ThreadLocal V8_FINAL {
294 public: 267 public:
295 ThreadLocal() { Clear(); } 268 ThreadLocal() { Clear(); }
296 // You should hold the ExecutionAccess lock when you call Initialize or 269 // You should hold the ExecutionAccess lock when you call Initialize or
297 // Clear. 270 // Clear.
298 void Clear(); 271 void Clear();
299 272
300 // Returns true if the heap's stack limits should be set, false if not. 273 // Returns true if the heap's stack limits should be set, false if not.
301 bool Initialize(Isolate* isolate); 274 bool Initialize(Isolate* isolate);
302 275
303 // The stack limit is split into a JavaScript and a C++ stack limit. These 276 // The stack limit is split into a JavaScript and a C++ stack limit. These
(...skipping 23 matching lines...) Expand all
327 Isolate* isolate_; 300 Isolate* isolate_;
328 ThreadLocal thread_local_; 301 ThreadLocal thread_local_;
329 302
330 friend class Isolate; 303 friend class Isolate;
331 friend class StackLimitCheck; 304 friend class StackLimitCheck;
332 friend class PostponeInterruptsScope; 305 friend class PostponeInterruptsScope;
333 306
334 DISALLOW_COPY_AND_ASSIGN(StackGuard); 307 DISALLOW_COPY_AND_ASSIGN(StackGuard);
335 }; 308 };
336 309
337
338 } } // namespace v8::internal 310 } } // namespace v8::internal
339 311
340 #endif // V8_EXECUTION_H_ 312 #endif // V8_EXECUTION_H_
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