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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
2 // All Rights Reserved. | 2 // All Rights Reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // met: |
7 // | 7 // |
8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
10 // | 10 // |
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280 // Read/modify the address of a call instruction. This is used to relocate | 280 // Read/modify the address of a call instruction. This is used to relocate |
281 // the break points where straight-line code is patched with a call | 281 // the break points where straight-line code is patched with a call |
282 // instruction. | 282 // instruction. |
283 INLINE(Address call_address()); | 283 INLINE(Address call_address()); |
284 INLINE(void set_call_address(Address target)); | 284 INLINE(void set_call_address(Address target)); |
285 INLINE(Object* call_object()); | 285 INLINE(Object* call_object()); |
286 INLINE(void set_call_object(Object* target)); | 286 INLINE(void set_call_object(Object* target)); |
287 INLINE(Object** call_object_address()); | 287 INLINE(Object** call_object_address()); |
288 | 288 |
289 template<typename StaticVisitor> inline void Visit(); | 289 template<typename StaticVisitor> inline void Visit(); |
| 290 template<typename StaticVisitor, typename Data> inline void Visit(Data data); |
290 inline void Visit(ObjectVisitor* v); | 291 inline void Visit(ObjectVisitor* v); |
291 | 292 |
292 // Patch the code with some other code. | 293 // Patch the code with some other code. |
293 void PatchCode(byte* instructions, int instruction_count); | 294 void PatchCode(byte* instructions, int instruction_count); |
294 | 295 |
295 // Patch the code with a call. | 296 // Patch the code with a call. |
296 void PatchCodeWithCall(Address target, int guard_bytes); | 297 void PatchCodeWithCall(Address target, int guard_bytes); |
297 | 298 |
298 // Check whether this return sequence has been patched | 299 // Check whether this return sequence has been patched |
299 // with a call to the debugger. | 300 // with a call to the debugger. |
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616 unsigned int num_bits_set; | 617 unsigned int num_bits_set; |
617 for (num_bits_set = 0; x; x >>= 1) { | 618 for (num_bits_set = 0; x; x >>= 1) { |
618 num_bits_set += x & 1; | 619 num_bits_set += x & 1; |
619 } | 620 } |
620 return num_bits_set; | 621 return num_bits_set; |
621 } | 622 } |
622 | 623 |
623 } } // namespace v8::internal | 624 } } // namespace v8::internal |
624 | 625 |
625 #endif // V8_ASSEMBLER_H_ | 626 #endif // V8_ASSEMBLER_H_ |
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