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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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177 void RelocInfo::Visit(ObjectVisitor* visitor) { | 177 void RelocInfo::Visit(ObjectVisitor* visitor) { |
178 RelocInfo::Mode mode = rmode(); | 178 RelocInfo::Mode mode = rmode(); |
179 if (mode == RelocInfo::EMBEDDED_OBJECT) { | 179 if (mode == RelocInfo::EMBEDDED_OBJECT) { |
180 visitor->VisitPointer(target_object_address()); | 180 visitor->VisitPointer(target_object_address()); |
181 } else if (RelocInfo::IsCodeTarget(mode)) { | 181 } else if (RelocInfo::IsCodeTarget(mode)) { |
182 visitor->VisitCodeTarget(this); | 182 visitor->VisitCodeTarget(this); |
183 } else if (mode == RelocInfo::EXTERNAL_REFERENCE) { | 183 } else if (mode == RelocInfo::EXTERNAL_REFERENCE) { |
184 visitor->VisitExternalReference(target_reference_address()); | 184 visitor->VisitExternalReference(target_reference_address()); |
185 #ifdef ENABLE_DEBUGGER_SUPPORT | 185 #ifdef ENABLE_DEBUGGER_SUPPORT |
186 } else if (Debug::has_break_points() && | 186 } else if (Debug::has_break_points() && |
187 (RelocInfo::IsJSReturn(mode) && | 187 ((RelocInfo::IsJSReturn(mode) && |
188 IsPatchedReturnSequence()) || | 188 IsPatchedReturnSequence()) || |
189 (RelocInfo::IsDebugBreakSlot(mode) && | 189 (RelocInfo::IsDebugBreakSlot(mode) && |
190 IsPatchedDebugBreakSlotSequence())) { | 190 IsPatchedDebugBreakSlotSequence()))) { |
191 visitor->VisitDebugTarget(this); | 191 visitor->VisitDebugTarget(this); |
192 #endif | 192 #endif |
193 } else if (mode == RelocInfo::RUNTIME_ENTRY) { | 193 } else if (mode == RelocInfo::RUNTIME_ENTRY) { |
194 visitor->VisitRuntimeEntry(this); | 194 visitor->VisitRuntimeEntry(this); |
195 } | 195 } |
196 } | 196 } |
197 | 197 |
198 | 198 |
199 Operand::Operand(int32_t immediate, RelocInfo::Mode rmode) { | 199 Operand::Operand(int32_t immediate, RelocInfo::Mode rmode) { |
200 rm_ = no_reg; | 200 rm_ = no_reg; |
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300 // CPU::FlushICache(pc, sizeof(target)); | 300 // CPU::FlushICache(pc, sizeof(target)); |
301 // However, on ARM, no instruction was actually patched by the assignment | 301 // However, on ARM, no instruction was actually patched by the assignment |
302 // above; the target address is not part of an instruction, it is patched in | 302 // above; the target address is not part of an instruction, it is patched in |
303 // the constant pool and is read via a data access; the instruction accessing | 303 // the constant pool and is read via a data access; the instruction accessing |
304 // this address in the constant pool remains unchanged. | 304 // this address in the constant pool remains unchanged. |
305 } | 305 } |
306 | 306 |
307 } } // namespace v8::internal | 307 } } // namespace v8::internal |
308 | 308 |
309 #endif // V8_ARM_ASSEMBLER_ARM_INL_H_ | 309 #endif // V8_ARM_ASSEMBLER_ARM_INL_H_ |
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