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Issue 10832342: Rename "global context" to "native context", (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
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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264 __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1, 264 __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1,
265 extra2, extra3); 265 extra2, extra3);
266 } 266 }
267 267
268 268
269 void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm, 269 void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm,
270 int index, 270 int index,
271 Register prototype) { 271 Register prototype) {
272 // Load the global or builtins object from the current context. 272 // Load the global or builtins object from the current context.
273 __ lw(prototype, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX))); 273 __ lw(prototype, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
274 // Load the global context from the global or builtins object. 274 // Load the native context from the global or builtins object.
275 __ lw(prototype, 275 __ lw(prototype,
276 FieldMemOperand(prototype, GlobalObject::kGlobalContextOffset)); 276 FieldMemOperand(prototype, GlobalObject::kNativeContextOffset));
277 // Load the function from the global context. 277 // Load the function from the native context.
278 __ lw(prototype, MemOperand(prototype, Context::SlotOffset(index))); 278 __ lw(prototype, MemOperand(prototype, Context::SlotOffset(index)));
279 // Load the initial map. The global functions all have initial maps. 279 // Load the initial map. The global functions all have initial maps.
280 __ lw(prototype, 280 __ lw(prototype,
281 FieldMemOperand(prototype, JSFunction::kPrototypeOrInitialMapOffset)); 281 FieldMemOperand(prototype, JSFunction::kPrototypeOrInitialMapOffset));
282 // Load the prototype from the initial map. 282 // Load the prototype from the initial map.
283 __ lw(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset)); 283 __ lw(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset));
284 } 284 }
285 285
286 286
287 void StubCompiler::GenerateDirectLoadGlobalFunctionPrototype( 287 void StubCompiler::GenerateDirectLoadGlobalFunctionPrototype(
288 MacroAssembler* masm, 288 MacroAssembler* masm,
289 int index, 289 int index,
290 Register prototype, 290 Register prototype,
291 Label* miss) { 291 Label* miss) {
292 Isolate* isolate = masm->isolate(); 292 Isolate* isolate = masm->isolate();
293 // Check we're still in the same context. 293 // Check we're still in the same context.
294 __ lw(prototype, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX))); 294 __ lw(prototype, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
295 ASSERT(!prototype.is(at)); 295 ASSERT(!prototype.is(at));
296 __ li(at, isolate->global()); 296 __ li(at, isolate->global());
297 __ Branch(miss, ne, prototype, Operand(at)); 297 __ Branch(miss, ne, prototype, Operand(at));
298 // Get the global function with the given index. 298 // Get the global function with the given index.
299 Handle<JSFunction> function( 299 Handle<JSFunction> function(
300 JSFunction::cast(isolate->global_context()->get(index))); 300 JSFunction::cast(isolate->native_context()->get(index)));
301 // Load its initial map. The global functions all have initial maps. 301 // Load its initial map. The global functions all have initial maps.
302 __ li(prototype, Handle<Map>(function->initial_map())); 302 __ li(prototype, Handle<Map>(function->initial_map()));
303 // Load the prototype from the initial map. 303 // Load the prototype from the initial map.
304 __ lw(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset)); 304 __ lw(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset));
305 } 305 }
306 306
307 307
308 // Load a fast property out of a holder object (src). In-object properties 308 // Load a fast property out of a holder object (src). In-object properties
309 // are loaded directly otherwise the property is loaded from the properties 309 // are loaded directly otherwise the property is loaded from the properties
310 // fixed array. 310 // fixed array.
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4786 __ Jump(ic_slow, RelocInfo::CODE_TARGET); 4786 __ Jump(ic_slow, RelocInfo::CODE_TARGET);
4787 } 4787 }
4788 } 4788 }
4789 4789
4790 4790
4791 #undef __ 4791 #undef __
4792 4792
4793 } } // namespace v8::internal 4793 } } // namespace v8::internal
4794 4794
4795 #endif // V8_TARGET_ARCH_MIPS 4795 #endif // V8_TARGET_ARCH_MIPS
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