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Side by Side Diff: src/arm/assembler-arm-inl.h

Issue 146021: X64 implementation: Change argument to relocator to take a 64-bit delta. Cha... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 11 years, 6 months ago
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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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43 43
44 namespace v8 { 44 namespace v8 {
45 namespace internal { 45 namespace internal {
46 46
47 Condition NegateCondition(Condition cc) { 47 Condition NegateCondition(Condition cc) {
48 ASSERT(cc != al); 48 ASSERT(cc != al);
49 return static_cast<Condition>(cc ^ ne); 49 return static_cast<Condition>(cc ^ ne);
50 } 50 }
51 51
52 52
53 void RelocInfo::apply(int delta) { 53 void RelocInfo::apply(intptr_t delta) {
54 if (RelocInfo::IsInternalReference(rmode_)) { 54 if (RelocInfo::IsInternalReference(rmode_)) {
55 // absolute code pointer inside code object moves with the code object. 55 // absolute code pointer inside code object moves with the code object.
56 int32_t* p = reinterpret_cast<int32_t*>(pc_); 56 int32_t* p = reinterpret_cast<int32_t*>(pc_);
57 *p += delta; // relocate entry 57 *p += delta; // relocate entry
58 } 58 }
59 // We do not use pc relative addressing on ARM, so there is 59 // We do not use pc relative addressing on ARM, so there is
60 // nothing else to do. 60 // nothing else to do.
61 } 61 }
62 62
63 63
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241 // CPU::FlushICache(pc, sizeof(target)); 241 // CPU::FlushICache(pc, sizeof(target));
242 // However, on ARM, no instruction was actually patched by the assignment 242 // However, on ARM, no instruction was actually patched by the assignment
243 // above; the target address is not part of an instruction, it is patched in 243 // above; the target address is not part of an instruction, it is patched in
244 // the constant pool and is read via a data access; the instruction accessing 244 // the constant pool and is read via a data access; the instruction accessing
245 // this address in the constant pool remains unchanged. 245 // this address in the constant pool remains unchanged.
246 } 246 }
247 247
248 } } // namespace v8::internal 248 } } // namespace v8::internal
249 249
250 #endif // V8_ARM_ASSEMBLER_ARM_INL_H_ 250 #endif // V8_ARM_ASSEMBLER_ARM_INL_H_
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