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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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1107 // Clear the context before we push it when entering the JS frame. | 1107 // Clear the context before we push it when entering the JS frame. |
1108 __ mov(cp, zero_reg); | 1108 __ mov(cp, zero_reg); |
1109 | 1109 |
1110 // Enter an internal frame. | 1110 // Enter an internal frame. |
1111 { | 1111 { |
1112 FrameScope scope(masm, StackFrame::INTERNAL); | 1112 FrameScope scope(masm, StackFrame::INTERNAL); |
1113 | 1113 |
1114 // Set up the context from the function argument. | 1114 // Set up the context from the function argument. |
1115 __ lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset)); | 1115 __ lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset)); |
1116 | 1116 |
1117 __ InitializeRootRegister(); | |
1118 | |
1117 // Set up the roots register. | 1119 // Set up the roots register. |
Yang
2012/01/06 10:52:56
Isn't this part supposed to be replaced by Initial
| |
1118 ExternalReference roots_array_start = | 1120 ExternalReference roots_array_start = |
1119 ExternalReference::roots_array_start(masm->isolate()); | 1121 ExternalReference::roots_array_start(masm->isolate()); |
1120 __ li(s6, Operand(roots_array_start)); | 1122 __ li(s6, Operand(roots_array_start)); |
1121 | 1123 |
1122 // Push the function and the receiver onto the stack. | 1124 // Push the function and the receiver onto the stack. |
1123 __ Push(a1, a2); | 1125 __ Push(a1, a2); |
1124 | 1126 |
1125 // Copy arguments to the stack in a loop. | 1127 // Copy arguments to the stack in a loop. |
1126 // a3: argc | 1128 // a3: argc |
1127 // s0: argv, ie points to first arg | 1129 // s0: argv, ie points to first arg |
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1814 __ bind(&dont_adapt_arguments); | 1816 __ bind(&dont_adapt_arguments); |
1815 __ Jump(a3); | 1817 __ Jump(a3); |
1816 } | 1818 } |
1817 | 1819 |
1818 | 1820 |
1819 #undef __ | 1821 #undef __ |
1820 | 1822 |
1821 } } // namespace v8::internal | 1823 } } // namespace v8::internal |
1822 | 1824 |
1823 #endif // V8_TARGET_ARCH_MIPS | 1825 #endif // V8_TARGET_ARCH_MIPS |
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