Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(178)

Side by Side Diff: src/x64/assembler-x64.h

Issue 335009: New snapshot framework. Doesn't work on ARM yet (code targets... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 11 years, 2 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 | Annotate | Revision Log
OLDNEW
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 //
(...skipping 441 matching lines...) Expand 10 before | Expand all | Expand 10 after
452 // Read/Modify the code target in the relative branch/call instruction at pc. 452 // Read/Modify the code target in the relative branch/call instruction at pc.
453 // On the x64 architecture, we use relative jumps with a 32-bit displacement 453 // On the x64 architecture, we use relative jumps with a 32-bit displacement
454 // to jump to other Code objects in the Code space in the heap. 454 // to jump to other Code objects in the Code space in the heap.
455 // Jumps to C functions are done indirectly through a 64-bit register holding 455 // Jumps to C functions are done indirectly through a 64-bit register holding
456 // the absolute address of the target. 456 // the absolute address of the target.
457 // These functions convert between absolute Addresses of Code objects and 457 // These functions convert between absolute Addresses of Code objects and
458 // the relative displacements stored in the code. 458 // the relative displacements stored in the code.
459 static inline Address target_address_at(Address pc); 459 static inline Address target_address_at(Address pc);
460 static inline void set_target_address_at(Address pc, Address target); 460 static inline void set_target_address_at(Address pc, Address target);
461 inline Handle<Object> code_target_object_handle_at(Address pc); 461 inline Handle<Object> code_target_object_handle_at(Address pc);
462 // Number of bytes taken up by the branch target in the code.
463 static const int kCallTargetSize = 4; // Use 32-bit displacement.
462 // Distance between the address of the code target in the call instruction 464 // Distance between the address of the code target in the call instruction
463 // and the return address pushed on the stack. 465 // and the return address pushed on the stack.
464 static const int kCallTargetAddressOffset = 4; // Use 32-bit displacement. 466 static const int kCallTargetAddressOffset = 4; // Use 32-bit displacement.
465 // Distance between the start of the JS return sequence and where the 467 // Distance between the start of the JS return sequence and where the
466 // 32-bit displacement of a near call would be, relative to the pushed 468 // 32-bit displacement of a near call would be, relative to the pushed
467 // return address. TODO: Use return sequence length instead. 469 // return address. TODO: Use return sequence length instead.
468 // Should equal Debug::kX64JSReturnSequenceLength - kCallTargetAddressOffset; 470 // Should equal Debug::kX64JSReturnSequenceLength - kCallTargetAddressOffset;
469 static const int kPatchReturnSequenceAddressOffset = 13 - 4; 471 static const int kPatchReturnSequenceAddressOffset = 13 - 4;
470 // TODO(X64): Rename this, removing the "Real", after changing the above. 472 // TODO(X64): Rename this, removing the "Real", after changing the above.
471 static const int kRealPatchReturnSequenceAddressOffset = 2; 473 static const int kRealPatchReturnSequenceAddressOffset = 2;
(...skipping 893 matching lines...) Expand 10 before | Expand all | Expand 10 after
1365 private: 1367 private:
1366 Assembler* assembler_; 1368 Assembler* assembler_;
1367 #ifdef DEBUG 1369 #ifdef DEBUG
1368 int space_before_; 1370 int space_before_;
1369 #endif 1371 #endif
1370 }; 1372 };
1371 1373
1372 } } // namespace v8::internal 1374 } } // namespace v8::internal
1373 1375
1374 #endif // V8_X64_ASSEMBLER_X64_H_ 1376 #endif // V8_X64_ASSEMBLER_X64_H_
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698