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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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277 __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1, 277 __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1,
278 extra2, extra3); 278 extra2, extra3);
279 } 279 }
280 280
281 281
282 void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm, 282 void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm,
283 int index, 283 int index,
284 Register prototype) { 284 Register prototype) {
285 // Load the global or builtins object from the current context. 285 // Load the global or builtins object from the current context.
286 __ ldr(prototype, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX))); 286 __ ldr(prototype, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
287 // Load the global context from the global or builtins object. 287 // Load the native context from the global or builtins object.
288 __ ldr(prototype, 288 __ ldr(prototype,
289 FieldMemOperand(prototype, GlobalObject::kGlobalContextOffset)); 289 FieldMemOperand(prototype, GlobalObject::kNativeContextOffset));
290 // Load the function from the global context. 290 // Load the function from the native context.
291 __ ldr(prototype, MemOperand(prototype, Context::SlotOffset(index))); 291 __ ldr(prototype, MemOperand(prototype, Context::SlotOffset(index)));
292 // Load the initial map. The global functions all have initial maps. 292 // Load the initial map. The global functions all have initial maps.
293 __ ldr(prototype, 293 __ ldr(prototype,
294 FieldMemOperand(prototype, JSFunction::kPrototypeOrInitialMapOffset)); 294 FieldMemOperand(prototype, JSFunction::kPrototypeOrInitialMapOffset));
295 // Load the prototype from the initial map. 295 // Load the prototype from the initial map.
296 __ ldr(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset)); 296 __ ldr(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset));
297 } 297 }
298 298
299 299
300 void StubCompiler::GenerateDirectLoadGlobalFunctionPrototype( 300 void StubCompiler::GenerateDirectLoadGlobalFunctionPrototype(
301 MacroAssembler* masm, 301 MacroAssembler* masm,
302 int index, 302 int index,
303 Register prototype, 303 Register prototype,
304 Label* miss) { 304 Label* miss) {
305 Isolate* isolate = masm->isolate(); 305 Isolate* isolate = masm->isolate();
306 // Check we're still in the same context. 306 // Check we're still in the same context.
307 __ ldr(prototype, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX))); 307 __ ldr(prototype, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
308 __ Move(ip, isolate->global()); 308 __ Move(ip, isolate->global());
309 __ cmp(prototype, ip); 309 __ cmp(prototype, ip);
310 __ b(ne, miss); 310 __ b(ne, miss);
311 // Get the global function with the given index. 311 // Get the global function with the given index.
312 Handle<JSFunction> function( 312 Handle<JSFunction> function(
313 JSFunction::cast(isolate->global_context()->get(index))); 313 JSFunction::cast(isolate->native_context()->get(index)));
314 // Load its initial map. The global functions all have initial maps. 314 // Load its initial map. The global functions all have initial maps.
315 __ Move(prototype, Handle<Map>(function->initial_map())); 315 __ Move(prototype, Handle<Map>(function->initial_map()));
316 // Load the prototype from the initial map. 316 // Load the prototype from the initial map.
317 __ ldr(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset)); 317 __ ldr(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset));
318 } 318 }
319 319
320 320
321 // Load a fast property out of a holder object (src). In-object properties 321 // Load a fast property out of a holder object (src). In-object properties
322 // are loaded directly otherwise the property is loaded from the properties 322 // are loaded directly otherwise the property is loaded from the properties
323 // fixed array. 323 // fixed array.
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4725 __ Jump(ic_slow, RelocInfo::CODE_TARGET); 4725 __ Jump(ic_slow, RelocInfo::CODE_TARGET);
4726 } 4726 }
4727 } 4727 }
4728 4728
4729 4729
4730 #undef __ 4730 #undef __
4731 4731
4732 } } // namespace v8::internal 4732 } } // namespace v8::internal
4733 4733
4734 #endif // V8_TARGET_ARCH_ARM 4734 #endif // V8_TARGET_ARCH_ARM
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