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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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216 } | 216 } |
217 } | 217 } |
218 | 218 |
219 | 219 |
220 template<typename StaticVisitor> | 220 template<typename StaticVisitor> |
221 void RelocInfo::Visit(Heap* heap) { | 221 void RelocInfo::Visit(Heap* heap) { |
222 RelocInfo::Mode mode = rmode(); | 222 RelocInfo::Mode mode = rmode(); |
223 if (mode == RelocInfo::EMBEDDED_OBJECT) { | 223 if (mode == RelocInfo::EMBEDDED_OBJECT) { |
224 StaticVisitor::VisitPointer(heap, target_object_address()); | 224 StaticVisitor::VisitPointer(heap, target_object_address()); |
225 } else if (RelocInfo::IsCodeTarget(mode)) { | 225 } else if (RelocInfo::IsCodeTarget(mode)) { |
226 StaticVisitor::VisitCodeTarget(this); | 226 StaticVisitor::VisitCodeTarget(heap, this); |
227 } else if (mode == RelocInfo::GLOBAL_PROPERTY_CELL) { | 227 } else if (mode == RelocInfo::GLOBAL_PROPERTY_CELL) { |
228 StaticVisitor::VisitGlobalPropertyCell(this); | 228 StaticVisitor::VisitGlobalPropertyCell(heap, this); |
229 } else if (mode == RelocInfo::EXTERNAL_REFERENCE) { | 229 } else if (mode == RelocInfo::EXTERNAL_REFERENCE) { |
230 StaticVisitor::VisitExternalReference(target_reference_address()); | 230 StaticVisitor::VisitExternalReference(target_reference_address()); |
231 #ifdef ENABLE_DEBUGGER_SUPPORT | 231 #ifdef ENABLE_DEBUGGER_SUPPORT |
232 } else if (heap->isolate()->debug()->has_break_points() && | 232 } else if (heap->isolate()->debug()->has_break_points() && |
233 ((RelocInfo::IsJSReturn(mode) && | 233 ((RelocInfo::IsJSReturn(mode) && |
234 IsPatchedReturnSequence()) || | 234 IsPatchedReturnSequence()) || |
235 (RelocInfo::IsDebugBreakSlot(mode) && | 235 (RelocInfo::IsDebugBreakSlot(mode) && |
236 IsPatchedDebugBreakSlotSequence()))) { | 236 IsPatchedDebugBreakSlotSequence()))) { |
237 StaticVisitor::VisitDebugTarget(this); | 237 StaticVisitor::VisitDebugTarget(heap, this); |
238 #endif | 238 #endif |
239 } else if (mode == RelocInfo::RUNTIME_ENTRY) { | 239 } else if (mode == RelocInfo::RUNTIME_ENTRY) { |
240 StaticVisitor::VisitRuntimeEntry(this); | 240 StaticVisitor::VisitRuntimeEntry(this); |
241 } | 241 } |
242 } | 242 } |
243 | 243 |
244 | 244 |
245 Operand::Operand(int32_t immediate, RelocInfo::Mode rmode) { | 245 Operand::Operand(int32_t immediate, RelocInfo::Mode rmode) { |
246 rm_ = no_reg; | 246 rm_ = no_reg; |
247 imm32_ = immediate; | 247 imm32_ = immediate; |
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344 // CPU::FlushICache(pc, sizeof(target)); | 344 // CPU::FlushICache(pc, sizeof(target)); |
345 // However, on ARM, no instruction was actually patched by the assignment | 345 // However, on ARM, no instruction was actually patched by the assignment |
346 // above; the target address is not part of an instruction, it is patched in | 346 // above; the target address is not part of an instruction, it is patched in |
347 // the constant pool and is read via a data access; the instruction accessing | 347 // the constant pool and is read via a data access; the instruction accessing |
348 // this address in the constant pool remains unchanged. | 348 // this address in the constant pool remains unchanged. |
349 } | 349 } |
350 | 350 |
351 } } // namespace v8::internal | 351 } } // namespace v8::internal |
352 | 352 |
353 #endif // V8_ARM_ASSEMBLER_ARM_INL_H_ | 353 #endif // V8_ARM_ASSEMBLER_ARM_INL_H_ |
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