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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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| 1224   b(ne, fail); | 1224   b(ne, fail); | 
| 1225 } | 1225 } | 
| 1226 | 1226 | 
| 1227 | 1227 | 
| 1228 #ifdef ENABLE_DEBUGGER_SUPPORT | 1228 #ifdef ENABLE_DEBUGGER_SUPPORT | 
| 1229 void MacroAssembler::DebugBreak() { | 1229 void MacroAssembler::DebugBreak() { | 
| 1230   mov(r0, Operand::Zero()); | 1230   mov(r0, Operand::Zero()); | 
| 1231   mov(r1, Operand(ExternalReference(Runtime::kDebugBreak, isolate()))); | 1231   mov(r1, Operand(ExternalReference(Runtime::kDebugBreak, isolate()))); | 
| 1232   CEntryStub ces(1); | 1232   CEntryStub ces(1); | 
| 1233   ASSERT(AllowThisStubCall(&ces)); | 1233   ASSERT(AllowThisStubCall(&ces)); | 
| 1234   Call(ces.GetCode(), RelocInfo::DEBUG_BREAK); | 1234   Call(ces.GetCode(isolate()), RelocInfo::DEBUG_BREAK); | 
| 1235 } | 1235 } | 
| 1236 #endif | 1236 #endif | 
| 1237 | 1237 | 
| 1238 | 1238 | 
| 1239 void MacroAssembler::PushTryHandler(StackHandler::Kind kind, | 1239 void MacroAssembler::PushTryHandler(StackHandler::Kind kind, | 
| 1240                                     int handler_index) { | 1240                                     int handler_index) { | 
| 1241   // Adjust this code if not the case. | 1241   // Adjust this code if not the case. | 
| 1242   STATIC_ASSERT(StackHandlerConstants::kSize == 5 * kPointerSize); | 1242   STATIC_ASSERT(StackHandlerConstants::kSize == 5 * kPointerSize); | 
| 1243   STATIC_ASSERT(StackHandlerConstants::kNextOffset == 0 * kPointerSize); | 1243   STATIC_ASSERT(StackHandlerConstants::kNextOffset == 0 * kPointerSize); | 
| 1244   STATIC_ASSERT(StackHandlerConstants::kCodeOffset == 1 * kPointerSize); | 1244   STATIC_ASSERT(StackHandlerConstants::kCodeOffset == 1 * kPointerSize); | 
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| 2216 | 2216 | 
| 2217   // All done. | 2217   // All done. | 
| 2218   bind(&done); | 2218   bind(&done); | 
| 2219 } | 2219 } | 
| 2220 | 2220 | 
| 2221 | 2221 | 
| 2222 void MacroAssembler::CallStub(CodeStub* stub, | 2222 void MacroAssembler::CallStub(CodeStub* stub, | 
| 2223                               TypeFeedbackId ast_id, | 2223                               TypeFeedbackId ast_id, | 
| 2224                               Condition cond) { | 2224                               Condition cond) { | 
| 2225   ASSERT(AllowThisStubCall(stub));  // Stub calls are not allowed in some stubs. | 2225   ASSERT(AllowThisStubCall(stub));  // Stub calls are not allowed in some stubs. | 
| 2226   Call(stub->GetCode(), RelocInfo::CODE_TARGET, ast_id, cond); | 2226   Call(stub->GetCode(isolate()), RelocInfo::CODE_TARGET, ast_id, cond); | 
| 2227 } | 2227 } | 
| 2228 | 2228 | 
| 2229 | 2229 | 
| 2230 void MacroAssembler::TailCallStub(CodeStub* stub, Condition cond) { | 2230 void MacroAssembler::TailCallStub(CodeStub* stub, Condition cond) { | 
| 2231   ASSERT(allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe()); | 2231   ASSERT(allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe()); | 
| 2232   Jump(stub->GetCode(), RelocInfo::CODE_TARGET, cond); | 2232   Jump(stub->GetCode(isolate()), RelocInfo::CODE_TARGET, cond); | 
| 2233 } | 2233 } | 
| 2234 | 2234 | 
| 2235 | 2235 | 
| 2236 static int AddressOffset(ExternalReference ref0, ExternalReference ref1) { | 2236 static int AddressOffset(ExternalReference ref0, ExternalReference ref1) { | 
| 2237   return ref0.address() - ref1.address(); | 2237   return ref0.address() - ref1.address(); | 
| 2238 } | 2238 } | 
| 2239 | 2239 | 
| 2240 | 2240 | 
| 2241 void MacroAssembler::CallApiFunctionAndReturn(ExternalReference function, | 2241 void MacroAssembler::CallApiFunctionAndReturn(ExternalReference function, | 
| 2242                                               int stack_space) { | 2242                                               int stack_space) { | 
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| 2817 } | 2817 } | 
| 2818 | 2818 | 
| 2819 | 2819 | 
| 2820 void MacroAssembler::JumpToExternalReference(const ExternalReference& builtin) { | 2820 void MacroAssembler::JumpToExternalReference(const ExternalReference& builtin) { | 
| 2821 #if defined(__thumb__) | 2821 #if defined(__thumb__) | 
| 2822   // Thumb mode builtin. | 2822   // Thumb mode builtin. | 
| 2823   ASSERT((reinterpret_cast<intptr_t>(builtin.address()) & 1) == 1); | 2823   ASSERT((reinterpret_cast<intptr_t>(builtin.address()) & 1) == 1); | 
| 2824 #endif | 2824 #endif | 
| 2825   mov(r1, Operand(builtin)); | 2825   mov(r1, Operand(builtin)); | 
| 2826   CEntryStub stub(1); | 2826   CEntryStub stub(1); | 
| 2827   Jump(stub.GetCode(), RelocInfo::CODE_TARGET); | 2827   Jump(stub.GetCode(isolate()), RelocInfo::CODE_TARGET); | 
| 2828 } | 2828 } | 
| 2829 | 2829 | 
| 2830 | 2830 | 
| 2831 void MacroAssembler::InvokeBuiltin(Builtins::JavaScript id, | 2831 void MacroAssembler::InvokeBuiltin(Builtins::JavaScript id, | 
| 2832                                    InvokeFlag flag, | 2832                                    InvokeFlag flag, | 
| 2833                                    const CallWrapper& call_wrapper) { | 2833                                    const CallWrapper& call_wrapper) { | 
| 2834   // You can't call a builtin without a valid frame. | 2834   // You can't call a builtin without a valid frame. | 
| 2835   ASSERT(flag == JUMP_FUNCTION || has_frame()); | 2835   ASSERT(flag == JUMP_FUNCTION || has_frame()); | 
| 2836 | 2836 | 
| 2837   GetBuiltinEntry(r2, id); | 2837   GetBuiltinEntry(r2, id); | 
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| 3990 void CodePatcher::EmitCondition(Condition cond) { | 3990 void CodePatcher::EmitCondition(Condition cond) { | 
| 3991   Instr instr = Assembler::instr_at(masm_.pc_); | 3991   Instr instr = Assembler::instr_at(masm_.pc_); | 
| 3992   instr = (instr & ~kCondMask) | cond; | 3992   instr = (instr & ~kCondMask) | cond; | 
| 3993   masm_.emit(instr); | 3993   masm_.emit(instr); | 
| 3994 } | 3994 } | 
| 3995 | 3995 | 
| 3996 | 3996 | 
| 3997 } }  // namespace v8::internal | 3997 } }  // namespace v8::internal | 
| 3998 | 3998 | 
| 3999 #endif  // V8_TARGET_ARCH_ARM | 3999 #endif  // V8_TARGET_ARCH_ARM | 
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