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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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2034 __ LoadRoot(r0, Heap::kUndefinedValueRootIndex); | 2034 __ LoadRoot(r0, Heap::kUndefinedValueRootIndex); |
2035 __ b(&l_send); | 2035 __ b(&l_send); |
2036 | 2036 |
2037 // catch (e) { receiver = iter; f = iter.throw; arg = e; goto l_call; } | 2037 // catch (e) { receiver = iter; f = iter.throw; arg = e; goto l_call; } |
2038 __ bind(&l_catch); | 2038 __ bind(&l_catch); |
2039 handler_table()->set(expr->index(), Smi::FromInt(l_catch.pos())); | 2039 handler_table()->set(expr->index(), Smi::FromInt(l_catch.pos())); |
2040 __ ldr(r3, MemOperand(sp, 1 * kPointerSize)); // iter | 2040 __ ldr(r3, MemOperand(sp, 1 * kPointerSize)); // iter |
2041 __ push(r3); // iter | 2041 __ push(r3); // iter |
2042 __ push(r0); // exception | 2042 __ push(r0); // exception |
2043 __ mov(r0, r3); // iter | 2043 __ mov(r0, r3); // iter |
2044 __ push(r0); // push LoadIC state | |
2045 __ LoadRoot(r2, Heap::kthrow_stringRootIndex); // "throw" | 2044 __ LoadRoot(r2, Heap::kthrow_stringRootIndex); // "throw" |
2046 Handle<Code> throw_ic = isolate()->builtins()->LoadIC_Initialize(); | 2045 Handle<Code> throw_ic = isolate()->builtins()->LoadIC_Initialize(); |
2047 CallIC(throw_ic); // iter.throw in r0 | 2046 CallIC(throw_ic); // iter.throw in r0 |
2048 __ add(sp, sp, Operand(kPointerSize)); // drop LoadIC state | |
2049 __ jmp(&l_call); | 2047 __ jmp(&l_call); |
2050 | 2048 |
2051 // try { received = yield result.value } | 2049 // try { received = yield result.value } |
2052 __ bind(&l_try); | 2050 __ bind(&l_try); |
2053 __ pop(r0); // result.value | 2051 __ pop(r0); // result.value |
2054 __ PushTryHandler(StackHandler::CATCH, expr->index()); | 2052 __ PushTryHandler(StackHandler::CATCH, expr->index()); |
2055 const int handler_size = StackHandlerConstants::kSize; | 2053 const int handler_size = StackHandlerConstants::kSize; |
2056 __ push(r0); // result.value | 2054 __ push(r0); // result.value |
2057 __ ldr(r3, MemOperand(sp, (0 + 1) * kPointerSize + handler_size)); // g | 2055 __ ldr(r3, MemOperand(sp, (0 + 1) * kPointerSize + handler_size)); // g |
2058 __ push(r3); // g | 2056 __ push(r3); // g |
2059 __ CallRuntime(Runtime::kSuspendJSGeneratorObject, 1); | 2057 __ CallRuntime(Runtime::kSuspendJSGeneratorObject, 1); |
2060 __ ldr(context_register(), | 2058 __ ldr(context_register(), |
2061 MemOperand(fp, StandardFrameConstants::kContextOffset)); | 2059 MemOperand(fp, StandardFrameConstants::kContextOffset)); |
2062 __ CompareRoot(r0, Heap::kTheHoleValueRootIndex); | 2060 __ CompareRoot(r0, Heap::kTheHoleValueRootIndex); |
2063 __ b(ne, &l_resume); | 2061 __ b(ne, &l_resume); |
2064 EmitReturnIteratorResult(false); | 2062 EmitReturnIteratorResult(false); |
2065 __ bind(&l_resume); // received in r0 | 2063 __ bind(&l_resume); // received in r0 |
2066 __ PopTryHandler(); | 2064 __ PopTryHandler(); |
2067 | 2065 |
2068 // receiver = iter; f = iter.send; arg = received; | 2066 // receiver = iter; f = iter.send; arg = received; |
2069 __ bind(&l_send); | 2067 __ bind(&l_send); |
2070 __ ldr(r3, MemOperand(sp, 1 * kPointerSize)); // iter | 2068 __ ldr(r3, MemOperand(sp, 1 * kPointerSize)); // iter |
2071 __ push(r3); // iter | 2069 __ push(r3); // iter |
2072 __ push(r0); // received | 2070 __ push(r0); // received |
2073 __ mov(r0, r3); // iter | 2071 __ mov(r0, r3); // iter |
2074 __ push(r0); // push LoadIC state | |
2075 __ LoadRoot(r2, Heap::ksend_stringRootIndex); // "send" | 2072 __ LoadRoot(r2, Heap::ksend_stringRootIndex); // "send" |
2076 Handle<Code> send_ic = isolate()->builtins()->LoadIC_Initialize(); | 2073 Handle<Code> send_ic = isolate()->builtins()->LoadIC_Initialize(); |
2077 CallIC(send_ic); // iter.send in r0 | 2074 CallIC(send_ic); // iter.send in r0 |
2078 __ add(sp, sp, Operand(kPointerSize)); // drop LoadIC state | |
2079 | 2075 |
2080 // result = f.call(receiver, arg); | 2076 // result = f.call(receiver, arg); |
2081 __ bind(&l_call); | 2077 __ bind(&l_call); |
2082 Label l_call_runtime; | 2078 Label l_call_runtime; |
2083 __ JumpIfSmi(r0, &l_call_runtime); | 2079 __ JumpIfSmi(r0, &l_call_runtime); |
2084 __ CompareObjectType(r0, r1, r1, JS_FUNCTION_TYPE); | 2080 __ CompareObjectType(r0, r1, r1, JS_FUNCTION_TYPE); |
2085 __ b(ne, &l_call_runtime); | 2081 __ b(ne, &l_call_runtime); |
2086 __ mov(r1, r0); | 2082 __ mov(r1, r0); |
2087 ParameterCount count(1); | 2083 ParameterCount count(1); |
2088 __ InvokeFunction(r1, count, CALL_FUNCTION, | 2084 __ InvokeFunction(r1, count, CALL_FUNCTION, |
2089 NullCallWrapper(), CALL_AS_METHOD); | 2085 NullCallWrapper(), CALL_AS_METHOD); |
2090 __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); | 2086 __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
2091 __ jmp(&l_loop); | 2087 __ jmp(&l_loop); |
2092 __ bind(&l_call_runtime); | 2088 __ bind(&l_call_runtime); |
2093 __ push(r0); | 2089 __ push(r0); |
2094 __ CallRuntime(Runtime::kCall, 3); | 2090 __ CallRuntime(Runtime::kCall, 3); |
2095 | 2091 |
2096 // val = result.value; if (!result.done) goto l_try; | 2092 // val = result.value; if (!result.done) goto l_try; |
2097 __ bind(&l_loop); | 2093 __ bind(&l_loop); |
2098 // result.value | 2094 // result.value |
2099 __ push(r0); // save result | 2095 __ push(r0); // save result |
2100 __ LoadRoot(r2, Heap::kvalue_stringRootIndex); // "value" | 2096 __ LoadRoot(r2, Heap::kvalue_stringRootIndex); // "value" |
2101 Handle<Code> value_ic = isolate()->builtins()->LoadIC_Initialize(); | 2097 Handle<Code> value_ic = isolate()->builtins()->LoadIC_Initialize(); |
2102 CallIC(value_ic); // result.value in r0 | 2098 CallIC(value_ic); // result.value in r0 |
2103 __ pop(r1); // result | 2099 __ pop(r1); // result |
2104 __ push(r0); // result.value | 2100 __ push(r0); // result.value |
2105 __ mov(r0, r1); // result | 2101 __ mov(r0, r1); // result |
2106 __ push(r0); // push LoadIC state | |
2107 __ LoadRoot(r2, Heap::kdone_stringRootIndex); // "done" | 2102 __ LoadRoot(r2, Heap::kdone_stringRootIndex); // "done" |
2108 Handle<Code> done_ic = isolate()->builtins()->LoadIC_Initialize(); | 2103 Handle<Code> done_ic = isolate()->builtins()->LoadIC_Initialize(); |
2109 CallIC(done_ic); // result.done in r0 | 2104 CallIC(done_ic); // result.done in r0 |
2110 __ add(sp, sp, Operand(kPointerSize)); // drop LoadIC state | |
2111 Handle<Code> bool_ic = ToBooleanStub::GetUninitialized(isolate()); | 2105 Handle<Code> bool_ic = ToBooleanStub::GetUninitialized(isolate()); |
2112 CallIC(bool_ic); | 2106 CallIC(bool_ic); |
2113 __ cmp(r0, Operand(0)); | 2107 __ cmp(r0, Operand(0)); |
2114 __ b(eq, &l_try); | 2108 __ b(eq, &l_try); |
2115 | 2109 |
2116 // result.value | 2110 // result.value |
2117 __ pop(r0); // result.value | 2111 __ pop(r0); // result.value |
2118 context()->DropAndPlug(2, r0); // drop iter and g | 2112 context()->DropAndPlug(2, r0); // drop iter and g |
2119 break; | 2113 break; |
2120 } | 2114 } |
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4935 *context_length = 0; | 4929 *context_length = 0; |
4936 return previous_; | 4930 return previous_; |
4937 } | 4931 } |
4938 | 4932 |
4939 | 4933 |
4940 #undef __ | 4934 #undef __ |
4941 | 4935 |
4942 } } // namespace v8::internal | 4936 } } // namespace v8::internal |
4943 | 4937 |
4944 #endif // V8_TARGET_ARCH_ARM | 4938 #endif // V8_TARGET_ARCH_ARM |
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