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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 | 5 // modification, are permitted provided that the following conditions |
6 // are met: | 6 // are 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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778 | 778 |
779 // Returns the branch offset to the given label from the current code position | 779 // Returns the branch offset to the given label from the current code position |
780 // Links the label to the current position if it is still unbound | 780 // Links the label to the current position if it is still unbound |
781 // Manages the jump elimination optimization if the second parameter is true. | 781 // Manages the jump elimination optimization if the second parameter is true. |
782 int branch_offset(Label* L, bool jump_elimination_allowed); | 782 int branch_offset(Label* L, bool jump_elimination_allowed); |
783 | 783 |
784 // Return the address in the constant pool of the code target address used by | 784 // Return the address in the constant pool of the code target address used by |
785 // the branch/call instruction at pc, or the object in a mov. | 785 // the branch/call instruction at pc, or the object in a mov. |
786 INLINE(static Address target_pointer_address_at(Address pc)); | 786 INLINE(static Address target_pointer_address_at(Address pc)); |
787 | 787 |
788 // Read/Modify the pointer in the branch/call/move instruction at pc. | |
789 INLINE(static Address target_pointer_at(Address pc)); | |
790 INLINE(static void set_target_pointer_at(Address pc, Address target)); | |
791 | |
792 // Read/Modify the code target address in the branch/call instruction at pc. | 788 // Read/Modify the code target address in the branch/call instruction at pc. |
793 INLINE(static Address target_address_at(Address pc)); | 789 INLINE(static Address target_address_at(Address pc)); |
794 INLINE(static void set_target_address_at(Address pc, Address target)); | 790 INLINE(static void set_target_address_at(Address pc, Address target)); |
795 | 791 |
796 // Return the code target address at a call site from the return address | 792 // Return the code target address at a call site from the return address |
797 // of that call in the instruction stream. | 793 // of that call in the instruction stream. |
798 INLINE(static Address target_address_from_return_address(Address pc)); | 794 INLINE(static Address target_address_from_return_address(Address pc)); |
799 | 795 |
800 // Given the address of the beginning of a call, return the address | 796 // Given the address of the beginning of a call, return the address |
801 // in the instruction stream that the call will return from. | 797 // in the instruction stream that the call will return from. |
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1611 public: | 1607 public: |
1612 explicit EnsureSpace(Assembler* assembler) { | 1608 explicit EnsureSpace(Assembler* assembler) { |
1613 assembler->CheckBuffer(); | 1609 assembler->CheckBuffer(); |
1614 } | 1610 } |
1615 }; | 1611 }; |
1616 | 1612 |
1617 | 1613 |
1618 } } // namespace v8::internal | 1614 } } // namespace v8::internal |
1619 | 1615 |
1620 #endif // V8_ARM_ASSEMBLER_ARM_H_ | 1616 #endif // V8_ARM_ASSEMBLER_ARM_H_ |
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