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| 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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| 1087 CallRuntime(Runtime::FunctionForId(id), num_arguments); | 1087 CallRuntime(Runtime::FunctionForId(id), num_arguments); |
| 1088 } | 1088 } |
| 1089 | 1089 |
| 1090 | 1090 |
| 1091 Object* MacroAssembler::TryCallRuntime(Runtime::FunctionId id, | 1091 Object* MacroAssembler::TryCallRuntime(Runtime::FunctionId id, |
| 1092 int num_arguments) { | 1092 int num_arguments) { |
| 1093 return TryCallRuntime(Runtime::FunctionForId(id), num_arguments); | 1093 return TryCallRuntime(Runtime::FunctionForId(id), num_arguments); |
| 1094 } | 1094 } |
| 1095 | 1095 |
| 1096 | 1096 |
| 1097 void MacroAssembler::CallRuntime(Runtime::Function* f, int num_arguments) { | 1097 void MacroAssembler::CallRuntime(const Runtime::Function* f, |
| 1098 int num_arguments) { |
| 1098 // If the expected number of arguments of the runtime function is | 1099 // If the expected number of arguments of the runtime function is |
| 1099 // constant, we check that the actual number of arguments match the | 1100 // constant, we check that the actual number of arguments match the |
| 1100 // expectation. | 1101 // expectation. |
| 1101 if (f->nargs >= 0 && f->nargs != num_arguments) { | 1102 if (f->nargs >= 0 && f->nargs != num_arguments) { |
| 1102 IllegalOperation(num_arguments); | 1103 IllegalOperation(num_arguments); |
| 1103 return; | 1104 return; |
| 1104 } | 1105 } |
| 1105 | 1106 |
| 1106 // TODO(1236192): Most runtime routines don't need the number of | 1107 // TODO(1236192): Most runtime routines don't need the number of |
| 1107 // arguments passed in because it is constant. At some point we | 1108 // arguments passed in because it is constant. At some point we |
| 1108 // should remove this need and make the runtime routine entry code | 1109 // should remove this need and make the runtime routine entry code |
| 1109 // smarter. | 1110 // smarter. |
| 1110 Set(eax, Immediate(num_arguments)); | 1111 Set(eax, Immediate(num_arguments)); |
| 1111 mov(ebx, Immediate(ExternalReference(f))); | 1112 mov(ebx, Immediate(ExternalReference(f))); |
| 1112 CEntryStub ces(1); | 1113 CEntryStub ces(1); |
| 1113 CallStub(&ces); | 1114 CallStub(&ces); |
| 1114 } | 1115 } |
| 1115 | 1116 |
| 1116 | 1117 |
| 1117 void MacroAssembler::CallExternalReference(ExternalReference ref, | 1118 void MacroAssembler::CallExternalReference(ExternalReference ref, |
| 1118 int num_arguments) { | 1119 int num_arguments) { |
| 1119 mov(eax, Immediate(num_arguments)); | 1120 mov(eax, Immediate(num_arguments)); |
| 1120 mov(ebx, Immediate(ref)); | 1121 mov(ebx, Immediate(ref)); |
| 1121 | 1122 |
| 1122 CEntryStub stub(1); | 1123 CEntryStub stub(1); |
| 1123 CallStub(&stub); | 1124 CallStub(&stub); |
| 1124 } | 1125 } |
| 1125 | 1126 |
| 1126 | 1127 |
| 1127 Object* MacroAssembler::TryCallRuntime(Runtime::Function* f, | 1128 Object* MacroAssembler::TryCallRuntime(const Runtime::Function* f, |
| 1128 int num_arguments) { | 1129 int num_arguments) { |
| 1129 if (f->nargs >= 0 && f->nargs != num_arguments) { | 1130 if (f->nargs >= 0 && f->nargs != num_arguments) { |
| 1130 IllegalOperation(num_arguments); | 1131 IllegalOperation(num_arguments); |
| 1131 // Since we did not call the stub, there was no allocation failure. | 1132 // Since we did not call the stub, there was no allocation failure. |
| 1132 // Return some non-failure object. | 1133 // Return some non-failure object. |
| 1133 return HEAP->undefined_value(); | 1134 return HEAP->undefined_value(); |
| 1134 } | 1135 } |
| 1135 | 1136 |
| 1136 // TODO(1236192): Most runtime routines don't need the number of | 1137 // TODO(1236192): Most runtime routines don't need the number of |
| 1137 // arguments passed in because it is constant. At some point we | 1138 // arguments passed in because it is constant. At some point we |
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| 1276 // is the case when we invoke functions using call and apply. | 1277 // is the case when we invoke functions using call and apply. |
| 1277 cmp(expected.reg(), Operand(actual.reg())); | 1278 cmp(expected.reg(), Operand(actual.reg())); |
| 1278 j(equal, &invoke); | 1279 j(equal, &invoke); |
| 1279 ASSERT(actual.reg().is(eax)); | 1280 ASSERT(actual.reg().is(eax)); |
| 1280 ASSERT(expected.reg().is(ebx)); | 1281 ASSERT(expected.reg().is(ebx)); |
| 1281 } | 1282 } |
| 1282 } | 1283 } |
| 1283 | 1284 |
| 1284 if (!definitely_matches) { | 1285 if (!definitely_matches) { |
| 1285 Handle<Code> adaptor = | 1286 Handle<Code> adaptor = |
| 1286 Handle<Code>(Builtins::builtin(Builtins::ArgumentsAdaptorTrampoline)); | 1287 Handle<Code>(Isolate::Current()->builtins()->builtin( |
| 1288 Builtins::ArgumentsAdaptorTrampoline)); |
| 1287 if (!code_constant.is_null()) { | 1289 if (!code_constant.is_null()) { |
| 1288 mov(edx, Immediate(code_constant)); | 1290 mov(edx, Immediate(code_constant)); |
| 1289 add(Operand(edx), Immediate(Code::kHeaderSize - kHeapObjectTag)); | 1291 add(Operand(edx), Immediate(Code::kHeaderSize - kHeapObjectTag)); |
| 1290 } else if (!code_operand.is_reg(edx)) { | 1292 } else if (!code_operand.is_reg(edx)) { |
| 1291 mov(edx, code_operand); | 1293 mov(edx, code_operand); |
| 1292 } | 1294 } |
| 1293 | 1295 |
| 1294 if (flag == CALL_FUNCTION) { | 1296 if (flag == CALL_FUNCTION) { |
| 1295 call(adaptor, RelocInfo::CODE_TARGET); | 1297 call(adaptor, RelocInfo::CODE_TARGET); |
| 1296 jmp(done); | 1298 jmp(done); |
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| 1663 | 1665 |
| 1664 // Check that the code was patched as expected. | 1666 // Check that the code was patched as expected. |
| 1665 ASSERT(masm_.pc_ == address_ + size_); | 1667 ASSERT(masm_.pc_ == address_ + size_); |
| 1666 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); | 1668 ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap); |
| 1667 } | 1669 } |
| 1668 | 1670 |
| 1669 | 1671 |
| 1670 } } // namespace v8::internal | 1672 } } // namespace v8::internal |
| 1671 | 1673 |
| 1672 #endif // V8_TARGET_ARCH_IA32 | 1674 #endif // V8_TARGET_ARCH_IA32 |
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