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Issue 967323002: Refactor BreakLocationIterator. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: static_cast instead Created 5 years, 9 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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239 // FLAG_enable_ool_constant_pool is true. 239 // FLAG_enable_ool_constant_pool is true.
240 return FLAG_enable_ool_constant_pool; 240 return FLAG_enable_ool_constant_pool;
241 } 241 }
242 242
243 243
244 bool RelocInfo::IsInConstantPool() { 244 bool RelocInfo::IsInConstantPool() {
245 return Assembler::is_constant_pool_load(pc_); 245 return Assembler::is_constant_pool_load(pc_);
246 } 246 }
247 247
248 248
249 void RelocInfo::PatchCode(byte* instructions, int instruction_count) {
250 // Patch the code at the current address with the supplied instructions.
251 Instr* pc = reinterpret_cast<Instr*>(pc_);
252 Instr* instr = reinterpret_cast<Instr*>(instructions);
253 for (int i = 0; i < instruction_count; i++) {
254 *(pc + i) = *(instr + i);
255 }
256
257 // Indicate that code has changed.
258 CpuFeatures::FlushICache(pc_, instruction_count * Assembler::kInstrSize);
259 }
260
261
262 // Patch the code at the current PC with a call to the target address.
263 // Additional guard instructions can be added if required.
264 void RelocInfo::PatchCodeWithCall(Address target, int guard_bytes) {
265 // Patch the code at the current address with a call to the target.
266 UNIMPLEMENTED();
267 }
268
269
270 // ----------------------------------------------------------------------------- 249 // -----------------------------------------------------------------------------
271 // Implementation of Operand and MemOperand 250 // Implementation of Operand and MemOperand
272 // See assembler-arm-inl.h for inlined constructors 251 // See assembler-arm-inl.h for inlined constructors
273 252
274 Operand::Operand(Handle<Object> handle) { 253 Operand::Operand(Handle<Object> handle) {
275 AllowDeferredHandleDereference using_raw_address; 254 AllowDeferredHandleDereference using_raw_address;
276 rm_ = no_reg; 255 rm_ = no_reg;
277 // Verify all Objects referred by code are NOT in new space. 256 // Verify all Objects referred by code are NOT in new space.
278 Object* obj = *handle; 257 Object* obj = *handle;
279 if (obj->IsHeapObject()) { 258 if (obj->IsHeapObject()) {
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4007 assm->instr_at_put( 3986 assm->instr_at_put(
4008 rinfo.pc(), Assembler::SetLdrRegisterImmediateOffset(instr, offset)); 3987 rinfo.pc(), Assembler::SetLdrRegisterImmediateOffset(instr, offset));
4009 } 3988 }
4010 } 3989 }
4011 } 3990 }
4012 3991
4013 3992
4014 } } // namespace v8::internal 3993 } } // namespace v8::internal
4015 3994
4016 #endif // V8_TARGET_ARCH_ARM 3995 #endif // V8_TARGET_ARCH_ARM
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