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Issue 10878047: Revert to code state of 3.13.1 plus r12350 (Closed) Base URL: https://v8.googlecode.com/svn/trunk
Patch Set: Created 8 years, 4 months ago
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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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975 ASSERT(!holder_reg.is(scratch)); 975 ASSERT(!holder_reg.is(scratch));
976 976
977 // Load current lexical context from the stack frame. 977 // Load current lexical context from the stack frame.
978 mov(scratch, Operand(ebp, StandardFrameConstants::kContextOffset)); 978 mov(scratch, Operand(ebp, StandardFrameConstants::kContextOffset));
979 979
980 // When generating debug code, make sure the lexical context is set. 980 // When generating debug code, make sure the lexical context is set.
981 if (emit_debug_code()) { 981 if (emit_debug_code()) {
982 cmp(scratch, Immediate(0)); 982 cmp(scratch, Immediate(0));
983 Check(not_equal, "we should not have an empty lexical context"); 983 Check(not_equal, "we should not have an empty lexical context");
984 } 984 }
985 // Load the native context of the current context. 985 // Load the global context of the current context.
986 int offset = 986 int offset = Context::kHeaderSize + Context::GLOBAL_INDEX * kPointerSize;
987 Context::kHeaderSize + Context::GLOBAL_OBJECT_INDEX * kPointerSize;
988 mov(scratch, FieldOperand(scratch, offset)); 987 mov(scratch, FieldOperand(scratch, offset));
989 mov(scratch, FieldOperand(scratch, GlobalObject::kNativeContextOffset)); 988 mov(scratch, FieldOperand(scratch, GlobalObject::kGlobalContextOffset));
990 989
991 // Check the context is a native context. 990 // Check the context is a global context.
992 if (emit_debug_code()) { 991 if (emit_debug_code()) {
993 push(scratch); 992 push(scratch);
994 // Read the first word and compare to native_context_map. 993 // Read the first word and compare to global_context_map.
995 mov(scratch, FieldOperand(scratch, HeapObject::kMapOffset)); 994 mov(scratch, FieldOperand(scratch, HeapObject::kMapOffset));
996 cmp(scratch, isolate()->factory()->native_context_map()); 995 cmp(scratch, isolate()->factory()->global_context_map());
997 Check(equal, "JSGlobalObject::native_context should be a native context."); 996 Check(equal, "JSGlobalObject::global_context should be a global context.");
998 pop(scratch); 997 pop(scratch);
999 } 998 }
1000 999
1001 // Check if both contexts are the same. 1000 // Check if both contexts are the same.
1002 cmp(scratch, FieldOperand(holder_reg, JSGlobalProxy::kNativeContextOffset)); 1001 cmp(scratch, FieldOperand(holder_reg, JSGlobalProxy::kContextOffset));
1003 j(equal, &same_contexts); 1002 j(equal, &same_contexts);
1004 1003
1005 // Compare security tokens, save holder_reg on the stack so we can use it 1004 // Compare security tokens, save holder_reg on the stack so we can use it
1006 // as a temporary register. 1005 // as a temporary register.
1007 // 1006 //
1008 // TODO(119): avoid push(holder_reg)/pop(holder_reg) 1007 // TODO(119): avoid push(holder_reg)/pop(holder_reg)
1009 push(holder_reg); 1008 push(holder_reg);
1010 // Check that the security token in the calling global object is 1009 // Check that the security token in the calling global object is
1011 // compatible with the security token in the receiving global 1010 // compatible with the security token in the receiving global
1012 // object. 1011 // object.
1013 mov(holder_reg, 1012 mov(holder_reg, FieldOperand(holder_reg, JSGlobalProxy::kContextOffset));
1014 FieldOperand(holder_reg, JSGlobalProxy::kNativeContextOffset));
1015 1013
1016 // Check the context is a native context. 1014 // Check the context is a global context.
1017 if (emit_debug_code()) { 1015 if (emit_debug_code()) {
1018 cmp(holder_reg, isolate()->factory()->null_value()); 1016 cmp(holder_reg, isolate()->factory()->null_value());
1019 Check(not_equal, "JSGlobalProxy::context() should not be null."); 1017 Check(not_equal, "JSGlobalProxy::context() should not be null.");
1020 1018
1021 push(holder_reg); 1019 push(holder_reg);
1022 // Read the first word and compare to native_context_map(), 1020 // Read the first word and compare to global_context_map(),
1023 mov(holder_reg, FieldOperand(holder_reg, HeapObject::kMapOffset)); 1021 mov(holder_reg, FieldOperand(holder_reg, HeapObject::kMapOffset));
1024 cmp(holder_reg, isolate()->factory()->native_context_map()); 1022 cmp(holder_reg, isolate()->factory()->global_context_map());
1025 Check(equal, "JSGlobalObject::native_context should be a native context."); 1023 Check(equal, "JSGlobalObject::global_context should be a global context.");
1026 pop(holder_reg); 1024 pop(holder_reg);
1027 } 1025 }
1028 1026
1029 int token_offset = Context::kHeaderSize + 1027 int token_offset = Context::kHeaderSize +
1030 Context::SECURITY_TOKEN_INDEX * kPointerSize; 1028 Context::SECURITY_TOKEN_INDEX * kPointerSize;
1031 mov(scratch, FieldOperand(scratch, token_offset)); 1029 mov(scratch, FieldOperand(scratch, token_offset));
1032 cmp(scratch, FieldOperand(holder_reg, token_offset)); 1030 cmp(scratch, FieldOperand(holder_reg, token_offset));
1033 pop(holder_reg); 1031 pop(holder_reg);
1034 j(not_equal, miss); 1032 j(not_equal, miss);
1035 1033
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2165 ParameterCount expected(0); 2163 ParameterCount expected(0);
2166 GetBuiltinFunction(edi, id); 2164 GetBuiltinFunction(edi, id);
2167 InvokeCode(FieldOperand(edi, JSFunction::kCodeEntryOffset), 2165 InvokeCode(FieldOperand(edi, JSFunction::kCodeEntryOffset),
2168 expected, expected, flag, call_wrapper, CALL_AS_METHOD); 2166 expected, expected, flag, call_wrapper, CALL_AS_METHOD);
2169 } 2167 }
2170 2168
2171 2169
2172 void MacroAssembler::GetBuiltinFunction(Register target, 2170 void MacroAssembler::GetBuiltinFunction(Register target,
2173 Builtins::JavaScript id) { 2171 Builtins::JavaScript id) {
2174 // Load the JavaScript builtin function from the builtins object. 2172 // Load the JavaScript builtin function from the builtins object.
2175 mov(target, Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); 2173 mov(target, Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX)));
2176 mov(target, FieldOperand(target, GlobalObject::kBuiltinsOffset)); 2174 mov(target, FieldOperand(target, GlobalObject::kBuiltinsOffset));
2177 mov(target, FieldOperand(target, 2175 mov(target, FieldOperand(target,
2178 JSBuiltinsObject::OffsetOfFunctionWithId(id))); 2176 JSBuiltinsObject::OffsetOfFunctionWithId(id)));
2179 } 2177 }
2180 2178
2181 2179
2182 void MacroAssembler::GetBuiltinEntry(Register target, Builtins::JavaScript id) { 2180 void MacroAssembler::GetBuiltinEntry(Register target, Builtins::JavaScript id) {
2183 ASSERT(!target.is(edi)); 2181 ASSERT(!target.is(edi));
2184 // Load the JavaScript builtin function from the builtins object. 2182 // Load the JavaScript builtin function from the builtins object.
2185 GetBuiltinFunction(edi, id); 2183 GetBuiltinFunction(edi, id);
(...skipping 28 matching lines...) Expand all
2214 } 2212 }
2215 2213
2216 2214
2217 void MacroAssembler::LoadTransitionedArrayMapConditional( 2215 void MacroAssembler::LoadTransitionedArrayMapConditional(
2218 ElementsKind expected_kind, 2216 ElementsKind expected_kind,
2219 ElementsKind transitioned_kind, 2217 ElementsKind transitioned_kind,
2220 Register map_in_out, 2218 Register map_in_out,
2221 Register scratch, 2219 Register scratch,
2222 Label* no_map_match) { 2220 Label* no_map_match) {
2223 // Load the global or builtins object from the current context. 2221 // Load the global or builtins object from the current context.
2224 mov(scratch, Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); 2222 mov(scratch, Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX)));
2225 mov(scratch, FieldOperand(scratch, GlobalObject::kNativeContextOffset)); 2223 mov(scratch, FieldOperand(scratch, GlobalObject::kGlobalContextOffset));
2226 2224
2227 // Check that the function's map is the same as the expected cached map. 2225 // Check that the function's map is the same as the expected cached map.
2228 mov(scratch, Operand(scratch, 2226 mov(scratch, Operand(scratch,
2229 Context::SlotOffset(Context::JS_ARRAY_MAPS_INDEX))); 2227 Context::SlotOffset(Context::JS_ARRAY_MAPS_INDEX)));
2230 2228
2231 size_t offset = expected_kind * kPointerSize + 2229 size_t offset = expected_kind * kPointerSize +
2232 FixedArrayBase::kHeaderSize; 2230 FixedArrayBase::kHeaderSize;
2233 cmp(map_in_out, FieldOperand(scratch, offset)); 2231 cmp(map_in_out, FieldOperand(scratch, offset));
2234 j(not_equal, no_map_match); 2232 j(not_equal, no_map_match);
2235 2233
(...skipping 24 matching lines...) Expand all
2260 map_out, 2258 map_out,
2261 scratch, 2259 scratch,
2262 &done); 2260 &done);
2263 } 2261 }
2264 bind(&done); 2262 bind(&done);
2265 } 2263 }
2266 2264
2267 2265
2268 void MacroAssembler::LoadGlobalFunction(int index, Register function) { 2266 void MacroAssembler::LoadGlobalFunction(int index, Register function) {
2269 // Load the global or builtins object from the current context. 2267 // Load the global or builtins object from the current context.
2270 mov(function, 2268 mov(function, Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX)));
2271 Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); 2269 // Load the global context from the global or builtins object.
2272 // Load the native context from the global or builtins object. 2270 mov(function, FieldOperand(function, GlobalObject::kGlobalContextOffset));
2273 mov(function, FieldOperand(function, GlobalObject::kNativeContextOffset)); 2271 // Load the function from the global context.
2274 // Load the function from the native context.
2275 mov(function, Operand(function, Context::SlotOffset(index))); 2272 mov(function, Operand(function, Context::SlotOffset(index)));
2276 } 2273 }
2277 2274
2278 2275
2279 void MacroAssembler::LoadGlobalFunctionInitialMap(Register function, 2276 void MacroAssembler::LoadGlobalFunctionInitialMap(Register function,
2280 Register map) { 2277 Register map) {
2281 // Load the initial map. The global functions all have initial maps. 2278 // Load the initial map. The global functions all have initial maps.
2282 mov(map, FieldOperand(function, JSFunction::kPrototypeOrInitialMapOffset)); 2279 mov(map, FieldOperand(function, JSFunction::kPrototypeOrInitialMapOffset));
2283 if (emit_debug_code()) { 2280 if (emit_debug_code()) {
2284 Label ok, fail; 2281 Label ok, fail;
(...skipping 639 matching lines...) Expand 10 before | Expand all | Expand 10 after
2924 // Load the prototype from the map and loop if non-null. 2921 // Load the prototype from the map and loop if non-null.
2925 bind(&check_prototype); 2922 bind(&check_prototype);
2926 mov(ecx, FieldOperand(ebx, Map::kPrototypeOffset)); 2923 mov(ecx, FieldOperand(ebx, Map::kPrototypeOffset));
2927 cmp(ecx, isolate()->factory()->null_value()); 2924 cmp(ecx, isolate()->factory()->null_value());
2928 j(not_equal, &next); 2925 j(not_equal, &next);
2929 } 2926 }
2930 2927
2931 } } // namespace v8::internal 2928 } } // namespace v8::internal
2932 2929
2933 #endif // V8_TARGET_ARCH_IA32 2930 #endif // V8_TARGET_ARCH_IA32
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