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Issue 6392027: Change OSR stack check patching to use the stack check table. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Address comments. Created 9 years, 10 months ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 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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105 function->ReplaceCode(function->shared()->code()); 105 function->ReplaceCode(function->shared()->code());
106 106
107 if (FLAG_trace_deopt) { 107 if (FLAG_trace_deopt) {
108 PrintF("[forced deoptimization: "); 108 PrintF("[forced deoptimization: ");
109 function->PrintName(); 109 function->PrintName();
110 PrintF(" / %x]\n", reinterpret_cast<uint32_t>(function)); 110 PrintF(" / %x]\n", reinterpret_cast<uint32_t>(function));
111 } 111 }
112 } 112 }
113 113
114 114
115 void Deoptimizer::PatchStackCheckCode(Code* unoptimized_code, 115 void Deoptimizer::PatchStackCheckAt(Address pc_after,
116 Code* check_code, 116 Code* check_code,
117 Code* replacement_code) { 117 Code* replacement_code) {
118 UNIMPLEMENTED(); 118 UNIMPLEMENTED();
119 } 119 }
120 120
121 121
122 void Deoptimizer::RevertStackCheckCode(Code* unoptimized_code, 122 void Deoptimizer::RevertStackCheckCode(Code* unoptimized_code,
123 Code* check_code, 123 Code* check_code,
124 Code* replacement_code) { 124 Code* replacement_code) {
125 UNIMPLEMENTED(); 125 UNIMPLEMENTED();
126 } 126 }
127 127
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498 __ push(ip); 498 __ push(ip);
499 __ b(&done); 499 __ b(&done);
500 ASSERT(masm()->pc_offset() - start == table_entry_size_); 500 ASSERT(masm()->pc_offset() - start == table_entry_size_);
501 } 501 }
502 __ bind(&done); 502 __ bind(&done);
503 } 503 }
504 504
505 #undef __ 505 #undef __
506 506
507 } } // namespace v8::internal 507 } } // namespace v8::internal
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