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Issue 23480013: Turn interrupt and stack check into builtins. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: fix mips Created 7 years, 3 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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239 ASSERT_EQ(kCallInstruction, *(call_target_address - 1)); 239 ASSERT_EQ(kCallInstruction, *(call_target_address - 1));
240 if (*(call_target_address - 3) == kNopByteOne) { 240 if (*(call_target_address - 3) == kNopByteOne) {
241 ASSERT_EQ(kNopByteTwo, *(call_target_address - 2)); 241 ASSERT_EQ(kNopByteTwo, *(call_target_address - 2));
242 Code* osr_builtin = 242 Code* osr_builtin =
243 isolate->builtins()->builtin(Builtins::kOnStackReplacement); 243 isolate->builtins()->builtin(Builtins::kOnStackReplacement);
244 ASSERT_EQ(osr_builtin->entry(), 244 ASSERT_EQ(osr_builtin->entry(),
245 Assembler::target_address_at(call_target_address)); 245 Assembler::target_address_at(call_target_address));
246 return PATCHED_FOR_OSR; 246 return PATCHED_FOR_OSR;
247 } else { 247 } else {
248 // Get the interrupt stub code object to match against from cache. 248 // Get the interrupt stub code object to match against from cache.
249 Code* interrupt_code = NULL; 249 Code* interrupt_builtin =
250 InterruptStub stub; 250 isolate->builtins()->builtin(Builtins::kInterruptCheck);
251 if (!stub.FindCodeInCache(&interrupt_code, isolate)) UNREACHABLE(); 251 ASSERT_EQ(interrupt_builtin->entry(),
252 ASSERT_EQ(interrupt_code->entry(),
253 Assembler::target_address_at(call_target_address)); 252 Assembler::target_address_at(call_target_address));
254 ASSERT_EQ(kJnsInstruction, *(call_target_address - 3)); 253 ASSERT_EQ(kJnsInstruction, *(call_target_address - 3));
255 ASSERT_EQ(kJnsOffset, *(call_target_address - 2)); 254 ASSERT_EQ(kJnsOffset, *(call_target_address - 2));
256 return NOT_PATCHED; 255 return NOT_PATCHED;
257 } 256 }
258 } 257 }
259 #endif // DEBUG 258 #endif // DEBUG
260 259
261 260
262 static int LookupBailoutId(DeoptimizationInputData* data, BailoutId ast_id) { 261 static int LookupBailoutId(DeoptimizationInputData* data, BailoutId ast_id) {
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714 SetFrameSlot(offset, value); 713 SetFrameSlot(offset, value);
715 } 714 }
716 715
717 716
718 #undef __ 717 #undef __
719 718
720 719
721 } } // namespace v8::internal 720 } } // namespace v8::internal
722 721
723 #endif // V8_TARGET_ARCH_IA32 722 #endif // V8_TARGET_ARCH_IA32
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