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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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2218 | 2218 |
2219 void MacroAssembler::CallStub(CodeStub* stub, | 2219 void MacroAssembler::CallStub(CodeStub* stub, |
2220 TypeFeedbackId ast_id, | 2220 TypeFeedbackId ast_id, |
2221 Condition cond) { | 2221 Condition cond) { |
2222 ASSERT(AllowThisStubCall(stub)); // Stub calls are not allowed in some stubs. | 2222 ASSERT(AllowThisStubCall(stub)); // Stub calls are not allowed in some stubs. |
2223 Call(stub->GetCode(isolate()), RelocInfo::CODE_TARGET, ast_id, cond); | 2223 Call(stub->GetCode(isolate()), RelocInfo::CODE_TARGET, ast_id, cond); |
2224 } | 2224 } |
2225 | 2225 |
2226 | 2226 |
2227 void MacroAssembler::TailCallStub(CodeStub* stub, Condition cond) { | 2227 void MacroAssembler::TailCallStub(CodeStub* stub, Condition cond) { |
2228 ASSERT(allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe()); | 2228 ASSERT(allow_stub_calls_ || |
| 2229 stub->CompilingCallsToThisStubIsGCSafe(isolate())); |
2229 Jump(stub->GetCode(isolate()), RelocInfo::CODE_TARGET, cond); | 2230 Jump(stub->GetCode(isolate()), RelocInfo::CODE_TARGET, cond); |
2230 } | 2231 } |
2231 | 2232 |
2232 | 2233 |
2233 static int AddressOffset(ExternalReference ref0, ExternalReference ref1) { | 2234 static int AddressOffset(ExternalReference ref0, ExternalReference ref1) { |
2234 return ref0.address() - ref1.address(); | 2235 return ref0.address() - ref1.address(); |
2235 } | 2236 } |
2236 | 2237 |
2237 | 2238 |
2238 void MacroAssembler::CallApiFunctionAndReturn(ExternalReference function, | 2239 void MacroAssembler::CallApiFunctionAndReturn(ExternalReference function, |
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2328 mov(r0, Operand(ExternalReference::isolate_address())); | 2329 mov(r0, Operand(ExternalReference::isolate_address())); |
2329 CallCFunction( | 2330 CallCFunction( |
2330 ExternalReference::delete_handle_scope_extensions(isolate()), 1); | 2331 ExternalReference::delete_handle_scope_extensions(isolate()), 1); |
2331 mov(r0, r4); | 2332 mov(r0, r4); |
2332 jmp(&leave_exit_frame); | 2333 jmp(&leave_exit_frame); |
2333 } | 2334 } |
2334 | 2335 |
2335 | 2336 |
2336 bool MacroAssembler::AllowThisStubCall(CodeStub* stub) { | 2337 bool MacroAssembler::AllowThisStubCall(CodeStub* stub) { |
2337 if (!has_frame_ && stub->SometimesSetsUpAFrame()) return false; | 2338 if (!has_frame_ && stub->SometimesSetsUpAFrame()) return false; |
2338 return allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe(); | 2339 return allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe(isolate()); |
2339 } | 2340 } |
2340 | 2341 |
2341 | 2342 |
2342 void MacroAssembler::IllegalOperation(int num_arguments) { | 2343 void MacroAssembler::IllegalOperation(int num_arguments) { |
2343 if (num_arguments > 0) { | 2344 if (num_arguments > 0) { |
2344 add(sp, sp, Operand(num_arguments * kPointerSize)); | 2345 add(sp, sp, Operand(num_arguments * kPointerSize)); |
2345 } | 2346 } |
2346 LoadRoot(r0, Heap::kUndefinedValueRootIndex); | 2347 LoadRoot(r0, Heap::kUndefinedValueRootIndex); |
2347 } | 2348 } |
2348 | 2349 |
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3948 void CodePatcher::EmitCondition(Condition cond) { | 3949 void CodePatcher::EmitCondition(Condition cond) { |
3949 Instr instr = Assembler::instr_at(masm_.pc_); | 3950 Instr instr = Assembler::instr_at(masm_.pc_); |
3950 instr = (instr & ~kCondMask) | cond; | 3951 instr = (instr & ~kCondMask) | cond; |
3951 masm_.emit(instr); | 3952 masm_.emit(instr); |
3952 } | 3953 } |
3953 | 3954 |
3954 | 3955 |
3955 } } // namespace v8::internal | 3956 } } // namespace v8::internal |
3956 | 3957 |
3957 #endif // V8_TARGET_ARCH_ARM | 3958 #endif // V8_TARGET_ARCH_ARM |
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