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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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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2263 if (RecordCallTarget()) { | 2263 if (RecordCallTarget()) { |
2264 GenerateRecordCallTarget(masm); | 2264 GenerateRecordCallTarget(masm); |
2265 } | 2265 } |
2266 } | 2266 } |
2267 | 2267 |
2268 // Fast-case: Just invoke the function. | 2268 // Fast-case: Just invoke the function. |
2269 ParameterCount actual(argc_); | 2269 ParameterCount actual(argc_); |
2270 | 2270 |
2271 if (CallAsMethod()) { | 2271 if (CallAsMethod()) { |
2272 if (NeedsChecks()) { | 2272 if (NeedsChecks()) { |
| 2273 // FIXME: expedient but expensive; surely a better way? |
| 2274 // Always call ToObject() on symbol values. |
| 2275 Label not_a_symbol; |
| 2276 __ movp(rax, Operand(rsp, (argc_ + 1) * kPointerSize)); |
| 2277 __ JumpIfSmi(rax, ¬_a_symbol, Label::kNear); |
| 2278 __ CmpObjectType(rax, SYMBOL_TYPE, rcx); |
| 2279 __ j(equal, &wrap); |
| 2280 |
| 2281 __ bind(¬_a_symbol); |
2273 // Do not transform the receiver for strict mode functions. | 2282 // Do not transform the receiver for strict mode functions. |
2274 __ movp(rcx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset)); | 2283 __ movp(rcx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset)); |
2275 __ testb(FieldOperand(rcx, SharedFunctionInfo::kStrictModeByteOffset), | 2284 __ testb(FieldOperand(rcx, SharedFunctionInfo::kStrictModeByteOffset), |
2276 Immediate(1 << SharedFunctionInfo::kStrictModeBitWithinByte)); | 2285 Immediate(1 << SharedFunctionInfo::kStrictModeBitWithinByte)); |
2277 __ j(not_equal, &cont); | 2286 __ j(not_equal, &cont); |
2278 | 2287 |
2279 // Do not transform the receiver for natives. | 2288 // Do not transform the receiver for natives. |
2280 // SharedFunctionInfo is already loaded into rcx. | 2289 // SharedFunctionInfo is already loaded into rcx. |
2281 __ testb(FieldOperand(rcx, SharedFunctionInfo::kNativeByteOffset), | 2290 __ testb(FieldOperand(rcx, SharedFunctionInfo::kNativeByteOffset), |
2282 Immediate(1 << SharedFunctionInfo::kNativeBitWithinByte)); | 2291 Immediate(1 << SharedFunctionInfo::kNativeBitWithinByte)); |
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5294 return_value_operand, | 5303 return_value_operand, |
5295 NULL); | 5304 NULL); |
5296 } | 5305 } |
5297 | 5306 |
5298 | 5307 |
5299 #undef __ | 5308 #undef __ |
5300 | 5309 |
5301 } } // namespace v8::internal | 5310 } } // namespace v8::internal |
5302 | 5311 |
5303 #endif // V8_TARGET_ARCH_X64 | 5312 #endif // V8_TARGET_ARCH_X64 |
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