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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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629 __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset)); | 629 __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset)); |
630 __ ldr(r2, FieldMemOperand(r2, SharedFunctionInfo::kConstructStubOffset)); | 630 __ ldr(r2, FieldMemOperand(r2, SharedFunctionInfo::kConstructStubOffset)); |
631 __ add(pc, r2, Operand(Code::kHeaderSize - kHeapObjectTag)); | 631 __ add(pc, r2, Operand(Code::kHeaderSize - kHeapObjectTag)); |
632 | 632 |
633 // r0: number of arguments | 633 // r0: number of arguments |
634 // r1: called object | 634 // r1: called object |
635 __ bind(&non_function_call); | 635 __ bind(&non_function_call); |
636 // Set expected number of arguments to zero (not changing r0). | 636 // Set expected number of arguments to zero (not changing r0). |
637 __ mov(r2, Operand(0, RelocInfo::NONE)); | 637 __ mov(r2, Operand(0, RelocInfo::NONE)); |
638 __ GetBuiltinEntry(r3, Builtins::CALL_NON_FUNCTION_AS_CONSTRUCTOR); | 638 __ GetBuiltinEntry(r3, Builtins::CALL_NON_FUNCTION_AS_CONSTRUCTOR); |
| 639 __ SetCallKind(r5, CALL_AS_METHOD); |
639 __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), | 640 __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), |
640 RelocInfo::CODE_TARGET); | 641 RelocInfo::CODE_TARGET); |
641 } | 642 } |
642 | 643 |
643 | 644 |
644 static void Generate_JSConstructStubHelper(MacroAssembler* masm, | 645 static void Generate_JSConstructStubHelper(MacroAssembler* masm, |
645 bool is_api_function, | 646 bool is_api_function, |
646 bool count_constructions) { | 647 bool count_constructions) { |
647 // Should never count constructions for api objects. | 648 // Should never count constructions for api objects. |
648 ASSERT(!is_api_function || !count_constructions); | 649 ASSERT(!is_api_function || !count_constructions); |
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1070 Generate_JSEntryTrampolineHelper(masm, true); | 1071 Generate_JSEntryTrampolineHelper(masm, true); |
1071 } | 1072 } |
1072 | 1073 |
1073 | 1074 |
1074 void Builtins::Generate_LazyCompile(MacroAssembler* masm) { | 1075 void Builtins::Generate_LazyCompile(MacroAssembler* masm) { |
1075 // Enter an internal frame. | 1076 // Enter an internal frame. |
1076 __ EnterInternalFrame(); | 1077 __ EnterInternalFrame(); |
1077 | 1078 |
1078 // Preserve the function. | 1079 // Preserve the function. |
1079 __ push(r1); | 1080 __ push(r1); |
| 1081 // Push call kind information. |
| 1082 __ push(r5); |
1080 | 1083 |
1081 // Push the function on the stack as the argument to the runtime function. | 1084 // Push the function on the stack as the argument to the runtime function. |
1082 __ push(r1); | 1085 __ push(r1); |
1083 __ CallRuntime(Runtime::kLazyCompile, 1); | 1086 __ CallRuntime(Runtime::kLazyCompile, 1); |
1084 // Calculate the entry point. | 1087 // Calculate the entry point. |
1085 __ add(r2, r0, Operand(Code::kHeaderSize - kHeapObjectTag)); | 1088 __ add(r2, r0, Operand(Code::kHeaderSize - kHeapObjectTag)); |
| 1089 |
| 1090 // Restore call kind information. |
| 1091 __ pop(r5); |
1086 // Restore saved function. | 1092 // Restore saved function. |
1087 __ pop(r1); | 1093 __ pop(r1); |
1088 | 1094 |
1089 // Tear down temporary frame. | 1095 // Tear down temporary frame. |
1090 __ LeaveInternalFrame(); | 1096 __ LeaveInternalFrame(); |
1091 | 1097 |
1092 // Do a tail-call of the compiled function. | 1098 // Do a tail-call of the compiled function. |
1093 __ Jump(r2); | 1099 __ Jump(r2); |
1094 } | 1100 } |
1095 | 1101 |
1096 | 1102 |
1097 void Builtins::Generate_LazyRecompile(MacroAssembler* masm) { | 1103 void Builtins::Generate_LazyRecompile(MacroAssembler* masm) { |
1098 // Enter an internal frame. | 1104 // Enter an internal frame. |
1099 __ EnterInternalFrame(); | 1105 __ EnterInternalFrame(); |
1100 | 1106 |
1101 // Preserve the function. | 1107 // Preserve the function. |
1102 __ push(r1); | 1108 __ push(r1); |
| 1109 // Push call kind information. |
| 1110 __ push(r5); |
1103 | 1111 |
1104 // Push the function on the stack as the argument to the runtime function. | 1112 // Push the function on the stack as the argument to the runtime function. |
1105 __ push(r1); | 1113 __ push(r1); |
1106 __ CallRuntime(Runtime::kLazyRecompile, 1); | 1114 __ CallRuntime(Runtime::kLazyRecompile, 1); |
1107 // Calculate the entry point. | 1115 // Calculate the entry point. |
1108 __ add(r2, r0, Operand(Code::kHeaderSize - kHeapObjectTag)); | 1116 __ add(r2, r0, Operand(Code::kHeaderSize - kHeapObjectTag)); |
| 1117 |
| 1118 // Restore call kind information. |
| 1119 __ pop(r5); |
1109 // Restore saved function. | 1120 // Restore saved function. |
1110 __ pop(r1); | 1121 __ pop(r1); |
1111 | 1122 |
1112 // Tear down temporary frame. | 1123 // Tear down temporary frame. |
1113 __ LeaveInternalFrame(); | 1124 __ LeaveInternalFrame(); |
1114 | 1125 |
1115 // Do a tail-call of the compiled function. | 1126 // Do a tail-call of the compiled function. |
1116 __ Jump(r2); | 1127 __ Jump(r2); |
1117 } | 1128 } |
1118 | 1129 |
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1338 | 1349 |
1339 // 5a. Call non-function via tail call to CALL_NON_FUNCTION builtin. | 1350 // 5a. Call non-function via tail call to CALL_NON_FUNCTION builtin. |
1340 // r0: actual number of arguments | 1351 // r0: actual number of arguments |
1341 // r1: function | 1352 // r1: function |
1342 { Label function; | 1353 { Label function; |
1343 __ tst(r1, r1); | 1354 __ tst(r1, r1); |
1344 __ b(ne, &function); | 1355 __ b(ne, &function); |
1345 // Expected number of arguments is 0 for CALL_NON_FUNCTION. | 1356 // Expected number of arguments is 0 for CALL_NON_FUNCTION. |
1346 __ mov(r2, Operand(0, RelocInfo::NONE)); | 1357 __ mov(r2, Operand(0, RelocInfo::NONE)); |
1347 __ GetBuiltinEntry(r3, Builtins::CALL_NON_FUNCTION); | 1358 __ GetBuiltinEntry(r3, Builtins::CALL_NON_FUNCTION); |
| 1359 __ SetCallKind(r5, CALL_AS_METHOD); |
1348 __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), | 1360 __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), |
1349 RelocInfo::CODE_TARGET); | 1361 RelocInfo::CODE_TARGET); |
1350 __ bind(&function); | 1362 __ bind(&function); |
1351 } | 1363 } |
1352 | 1364 |
1353 // 5b. Get the code to call from the function and check that the number of | 1365 // 5b. Get the code to call from the function and check that the number of |
1354 // expected arguments matches what we're providing. If so, jump | 1366 // expected arguments matches what we're providing. If so, jump |
1355 // (tail-call) to the code in register edx without checking arguments. | 1367 // (tail-call) to the code in register edx without checking arguments. |
1356 // r0: actual number of arguments | 1368 // r0: actual number of arguments |
1357 // r1: function | 1369 // r1: function |
1358 __ ldr(r3, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset)); | 1370 __ ldr(r3, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset)); |
1359 __ ldr(r2, | 1371 __ ldr(r2, |
1360 FieldMemOperand(r3, SharedFunctionInfo::kFormalParameterCountOffset)); | 1372 FieldMemOperand(r3, SharedFunctionInfo::kFormalParameterCountOffset)); |
1361 __ mov(r2, Operand(r2, ASR, kSmiTagSize)); | 1373 __ mov(r2, Operand(r2, ASR, kSmiTagSize)); |
1362 __ ldr(r3, FieldMemOperand(r1, JSFunction::kCodeEntryOffset)); | 1374 __ ldr(r3, FieldMemOperand(r1, JSFunction::kCodeEntryOffset)); |
| 1375 __ SetCallKind(r5, CALL_AS_METHOD); |
1363 __ cmp(r2, r0); // Check formal and actual parameter counts. | 1376 __ cmp(r2, r0); // Check formal and actual parameter counts. |
1364 __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), | 1377 __ Jump(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(), |
1365 RelocInfo::CODE_TARGET, | 1378 RelocInfo::CODE_TARGET, |
1366 ne); | 1379 ne); |
1367 | 1380 |
1368 ParameterCount expected(0); | 1381 ParameterCount expected(0); |
1369 __ InvokeCode(r3, expected, expected, JUMP_FUNCTION); | 1382 __ InvokeCode(r3, expected, expected, JUMP_FUNCTION); |
1370 } | 1383 } |
1371 | 1384 |
1372 | 1385 |
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1532 __ add(sp, sp, Operand(kPointerSize)); // adjust for receiver | 1545 __ add(sp, sp, Operand(kPointerSize)); // adjust for receiver |
1533 } | 1546 } |
1534 | 1547 |
1535 | 1548 |
1536 void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) { | 1549 void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) { |
1537 // ----------- S t a t e ------------- | 1550 // ----------- S t a t e ------------- |
1538 // -- r0 : actual number of arguments | 1551 // -- r0 : actual number of arguments |
1539 // -- r1 : function (passed through to callee) | 1552 // -- r1 : function (passed through to callee) |
1540 // -- r2 : expected number of arguments | 1553 // -- r2 : expected number of arguments |
1541 // -- r3 : code entry to call | 1554 // -- r3 : code entry to call |
| 1555 // -- r5 : call kind information |
1542 // ----------------------------------- | 1556 // ----------------------------------- |
1543 | 1557 |
1544 Label invoke, dont_adapt_arguments; | 1558 Label invoke, dont_adapt_arguments; |
1545 | 1559 |
1546 Label enough, too_few; | 1560 Label enough, too_few; |
1547 __ cmp(r0, r2); | 1561 __ cmp(r0, r2); |
1548 __ b(lt, &too_few); | 1562 __ b(lt, &too_few); |
1549 __ cmp(r2, Operand(SharedFunctionInfo::kDontAdaptArgumentsSentinel)); | 1563 __ cmp(r2, Operand(SharedFunctionInfo::kDontAdaptArgumentsSentinel)); |
1550 __ b(eq, &dont_adapt_arguments); | 1564 __ b(eq, &dont_adapt_arguments); |
1551 | 1565 |
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1635 __ bind(&dont_adapt_arguments); | 1649 __ bind(&dont_adapt_arguments); |
1636 __ Jump(r3); | 1650 __ Jump(r3); |
1637 } | 1651 } |
1638 | 1652 |
1639 | 1653 |
1640 #undef __ | 1654 #undef __ |
1641 | 1655 |
1642 } } // namespace v8::internal | 1656 } } // namespace v8::internal |
1643 | 1657 |
1644 #endif // V8_TARGET_ARCH_ARM | 1658 #endif // V8_TARGET_ARCH_ARM |
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