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Issue 8462010: Add a level of indirection to exception handler addresses. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Incorporate review changes. Created 9 years, 1 month ago
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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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110 // o esi: our context 110 // o esi: our context
111 // o ebp: our caller's frame pointer 111 // o ebp: our caller's frame pointer
112 // o esp: stack pointer (pointing to return address) 112 // o esp: stack pointer (pointing to return address)
113 // 113 //
114 // The function builds a JS frame. Please see JavaScriptFrameConstants in 114 // The function builds a JS frame. Please see JavaScriptFrameConstants in
115 // frames-ia32.h for its layout. 115 // frames-ia32.h for its layout.
116 void FullCodeGenerator::Generate(CompilationInfo* info) { 116 void FullCodeGenerator::Generate(CompilationInfo* info) {
117 ASSERT(info_ == NULL); 117 ASSERT(info_ == NULL);
118 info_ = info; 118 info_ = info;
119 scope_ = info->scope(); 119 scope_ = info->scope();
120 handler_table_ =
121 isolate()->factory()->NewFixedArray(function()->handler_count(), TENURED);
120 SetFunctionPosition(function()); 122 SetFunctionPosition(function());
121 Comment cmnt(masm_, "[ function compiled by full code generator"); 123 Comment cmnt(masm_, "[ function compiled by full code generator");
122 124
123 #ifdef DEBUG 125 #ifdef DEBUG
124 if (strlen(FLAG_stop_at) > 0 && 126 if (strlen(FLAG_stop_at) > 0 &&
125 info->function()->name()->IsEqualTo(CStrVector(FLAG_stop_at))) { 127 info->function()->name()->IsEqualTo(CStrVector(FLAG_stop_at))) {
126 __ int3(); 128 __ int3();
127 } 129 }
128 #endif 130 #endif
129 131
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4340 *context_length = 0; 4342 *context_length = 0;
4341 return previous_; 4343 return previous_;
4342 } 4344 }
4343 4345
4344 4346
4345 #undef __ 4347 #undef __
4346 4348
4347 } } // namespace v8::internal 4349 } } // namespace v8::internal
4348 4350
4349 #endif // V8_TARGET_ARCH_IA32 4351 #endif // V8_TARGET_ARCH_IA32
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