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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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182 // Generated code scratch locations. | 182 // Generated code scratch locations. |
183 static void* formal_count_address() { return &thread_local_.formal_count_; } | 183 static void* formal_count_address() { return &thread_local_.formal_count_; } |
184 | 184 |
185 static void new_break(StackFrame::Id break_frame_id); | 185 static void new_break(StackFrame::Id break_frame_id); |
186 static void set_break(StackFrame::Id break_frame_id, int break_id); | 186 static void set_break(StackFrame::Id break_frame_id, int break_id); |
187 static bool check_break(int break_id); | 187 static bool check_break(int break_id); |
188 static bool is_break(); | 188 static bool is_break(); |
189 static StackFrame::Id break_frame_id(); | 189 static StackFrame::Id break_frame_id(); |
190 static int break_id(); | 190 static int break_id(); |
191 | 191 |
192 static void MarkCompactPrologue(); | 192 static void MarkCompactPrologue(bool is_compacting); |
193 static void MarkCompactEpilogue(); | 193 static void MarkCompactEpilogue(bool is_compacting); |
194 static void MarkCompactPrologue(char* archived_thread_data); | 194 static void MarkCompactPrologue(bool is_compacting, |
195 static void MarkCompactEpilogue(char* archived_thread_data); | 195 char* archived_thread_data); |
| 196 static void MarkCompactEpilogue(bool is_compacting, |
| 197 char* archived_thread_data); |
196 static void PrintCurrentStackTrace(FILE* out); | 198 static void PrintCurrentStackTrace(FILE* out); |
197 static void PrintStackTrace(FILE* out, char* thread_data); | 199 static void PrintStackTrace(FILE* out, char* thread_data); |
198 static void PrintStack(StringStream* accumulator); | 200 static void PrintStack(StringStream* accumulator); |
199 static void PrintStack(); | 201 static void PrintStack(); |
200 static Handle<String> StackTrace(); | 202 static Handle<String> StackTrace(); |
201 | 203 |
202 // Returns if the top context may access the given global object. If | 204 // Returns if the top context may access the given global object. If |
203 // the result is false, the pending exception is guaranteed to be | 205 // the result is false, the pending exception is guaranteed to be |
204 // set. | 206 // set. |
205 static bool MayNamedAccess(JSObject* receiver, | 207 static bool MayNamedAccess(JSObject* receiver, |
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286 static char* ArchiveThread(char* to); | 288 static char* ArchiveThread(char* to); |
287 static char* RestoreThread(char* from); | 289 static char* RestoreThread(char* from); |
288 | 290 |
289 static const char* kStackOverflowMessage; | 291 static const char* kStackOverflowMessage; |
290 | 292 |
291 private: | 293 private: |
292 // The context that initiated this JS execution. | 294 // The context that initiated this JS execution. |
293 static ThreadLocalTop thread_local_; | 295 static ThreadLocalTop thread_local_; |
294 static void InitializeThreadLocal(); | 296 static void InitializeThreadLocal(); |
295 static void PrintStackTrace(FILE* out, ThreadLocalTop* thread); | 297 static void PrintStackTrace(FILE* out, ThreadLocalTop* thread); |
296 static void MarkCompactPrologue(ThreadLocalTop* archived_thread_data); | 298 static void MarkCompactPrologue(bool is_compacting, |
297 static void MarkCompactEpilogue(ThreadLocalTop* archived_thread_data); | 299 ThreadLocalTop* archived_thread_data); |
| 300 static void MarkCompactEpilogue(bool is_compacting, |
| 301 ThreadLocalTop* archived_thread_data); |
298 | 302 |
299 // Debug. | 303 // Debug. |
300 // Mutex for serializing access to break control structures. | 304 // Mutex for serializing access to break control structures. |
301 static Mutex* break_access_; | 305 static Mutex* break_access_; |
302 | 306 |
303 // ID of the frame where execution is stopped by debugger. | 307 // ID of the frame where execution is stopped by debugger. |
304 static StackFrame::Id break_frame_id_; | 308 static StackFrame::Id break_frame_id_; |
305 | 309 |
306 // Counter to create unique id for each debug break. | 310 // Counter to create unique id for each debug break. |
307 static int break_count_; | 311 static int break_count_; |
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381 | 385 |
382 class ExecutionAccess BASE_EMBEDDED { | 386 class ExecutionAccess BASE_EMBEDDED { |
383 public: | 387 public: |
384 ExecutionAccess(); | 388 ExecutionAccess(); |
385 ~ExecutionAccess(); | 389 ~ExecutionAccess(); |
386 }; | 390 }; |
387 | 391 |
388 } } // namespace v8::internal | 392 } } // namespace v8::internal |
389 | 393 |
390 #endif // V8_TOP_H_ | 394 #endif // V8_TOP_H_ |
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