Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(964)

Side by Side Diff: src/mips/macro-assembler-mips.cc

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
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
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
(...skipping 343 matching lines...) Expand 10 before | Expand all | Expand 10 after
354 ASSERT(!scratch.is(at)); 354 ASSERT(!scratch.is(at));
355 355
356 // Load current lexical context from the stack frame. 356 // Load current lexical context from the stack frame.
357 lw(scratch, MemOperand(fp, StandardFrameConstants::kContextOffset)); 357 lw(scratch, MemOperand(fp, StandardFrameConstants::kContextOffset));
358 // In debug mode, make sure the lexical context is set. 358 // In debug mode, make sure the lexical context is set.
359 #ifdef DEBUG 359 #ifdef DEBUG
360 Check(ne, "we should not have an empty lexical context", 360 Check(ne, "we should not have an empty lexical context",
361 scratch, Operand(zero_reg)); 361 scratch, Operand(zero_reg));
362 #endif 362 #endif
363 363
364 // Load the global context of the current context. 364 // Load the native context of the current context.
365 int offset = Context::kHeaderSize + Context::GLOBAL_INDEX * kPointerSize; 365 int offset = Context::kHeaderSize + Context::GLOBAL_INDEX * kPointerSize;
366 lw(scratch, FieldMemOperand(scratch, offset)); 366 lw(scratch, FieldMemOperand(scratch, offset));
367 lw(scratch, FieldMemOperand(scratch, GlobalObject::kGlobalContextOffset)); 367 lw(scratch, FieldMemOperand(scratch, GlobalObject::kNativeContextOffset));
368 368
369 // Check the context is a global context. 369 // Check the context is a native context.
370 if (emit_debug_code()) { 370 if (emit_debug_code()) {
371 // TODO(119): Avoid push(holder_reg)/pop(holder_reg). 371 // TODO(119): Avoid push(holder_reg)/pop(holder_reg).
372 push(holder_reg); // Temporarily save holder on the stack. 372 push(holder_reg); // Temporarily save holder on the stack.
373 // Read the first word and compare to the global_context_map. 373 // Read the first word and compare to the native_context_map.
374 lw(holder_reg, FieldMemOperand(scratch, HeapObject::kMapOffset)); 374 lw(holder_reg, FieldMemOperand(scratch, HeapObject::kMapOffset));
375 LoadRoot(at, Heap::kGlobalContextMapRootIndex); 375 LoadRoot(at, Heap::kNativeContextMapRootIndex);
376 Check(eq, "JSGlobalObject::global_context should be a global context.", 376 Check(eq, "JSGlobalObject::native_context should be a native context.",
377 holder_reg, Operand(at)); 377 holder_reg, Operand(at));
378 pop(holder_reg); // Restore holder. 378 pop(holder_reg); // Restore holder.
379 } 379 }
380 380
381 // Check if both contexts are the same. 381 // Check if both contexts are the same.
382 lw(at, FieldMemOperand(holder_reg, JSGlobalProxy::kContextOffset)); 382 lw(at, FieldMemOperand(holder_reg, JSGlobalProxy::kContextOffset));
383 Branch(&same_contexts, eq, scratch, Operand(at)); 383 Branch(&same_contexts, eq, scratch, Operand(at));
384 384
385 // Check the context is a global context. 385 // Check the context is a native context.
386 if (emit_debug_code()) { 386 if (emit_debug_code()) {
387 // TODO(119): Avoid push(holder_reg)/pop(holder_reg). 387 // TODO(119): Avoid push(holder_reg)/pop(holder_reg).
388 push(holder_reg); // Temporarily save holder on the stack. 388 push(holder_reg); // Temporarily save holder on the stack.
389 mov(holder_reg, at); // Move at to its holding place. 389 mov(holder_reg, at); // Move at to its holding place.
390 LoadRoot(at, Heap::kNullValueRootIndex); 390 LoadRoot(at, Heap::kNullValueRootIndex);
391 Check(ne, "JSGlobalProxy::context() should not be null.", 391 Check(ne, "JSGlobalProxy::context() should not be null.",
392 holder_reg, Operand(at)); 392 holder_reg, Operand(at));
393 393
394 lw(holder_reg, FieldMemOperand(holder_reg, HeapObject::kMapOffset)); 394 lw(holder_reg, FieldMemOperand(holder_reg, HeapObject::kMapOffset));
395 LoadRoot(at, Heap::kGlobalContextMapRootIndex); 395 LoadRoot(at, Heap::kNativeContextMapRootIndex);
396 Check(eq, "JSGlobalObject::global_context should be a global context.", 396 Check(eq, "JSGlobalObject::native_context should be a native context.",
397 holder_reg, Operand(at)); 397 holder_reg, Operand(at));
398 // Restore at is not needed. at is reloaded below. 398 // Restore at is not needed. at is reloaded below.
399 pop(holder_reg); // Restore holder. 399 pop(holder_reg); // Restore holder.
400 // Restore at to holder's context. 400 // Restore at to holder's context.
401 lw(at, FieldMemOperand(holder_reg, JSGlobalProxy::kContextOffset)); 401 lw(at, FieldMemOperand(holder_reg, JSGlobalProxy::kContextOffset));
402 } 402 }
403 403
404 // Check that the security token in the calling global object is 404 // Check that the security token in the calling global object is
405 // compatible with the security token in the receiving global 405 // compatible with the security token in the receiving global
406 // object. 406 // object.
(...skipping 4038 matching lines...) Expand 10 before | Expand all | Expand 10 after
4445 4445
4446 4446
4447 void MacroAssembler::LoadTransitionedArrayMapConditional( 4447 void MacroAssembler::LoadTransitionedArrayMapConditional(
4448 ElementsKind expected_kind, 4448 ElementsKind expected_kind,
4449 ElementsKind transitioned_kind, 4449 ElementsKind transitioned_kind,
4450 Register map_in_out, 4450 Register map_in_out,
4451 Register scratch, 4451 Register scratch,
4452 Label* no_map_match) { 4452 Label* no_map_match) {
4453 // Load the global or builtins object from the current context. 4453 // Load the global or builtins object from the current context.
4454 lw(scratch, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX))); 4454 lw(scratch, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
4455 lw(scratch, FieldMemOperand(scratch, GlobalObject::kGlobalContextOffset)); 4455 lw(scratch, FieldMemOperand(scratch, GlobalObject::kNativeContextOffset));
4456 4456
4457 // Check that the function's map is the same as the expected cached map. 4457 // Check that the function's map is the same as the expected cached map.
4458 lw(scratch, 4458 lw(scratch,
4459 MemOperand(scratch, 4459 MemOperand(scratch,
4460 Context::SlotOffset(Context::JS_ARRAY_MAPS_INDEX))); 4460 Context::SlotOffset(Context::JS_ARRAY_MAPS_INDEX)));
4461 size_t offset = expected_kind * kPointerSize + 4461 size_t offset = expected_kind * kPointerSize +
4462 FixedArrayBase::kHeaderSize; 4462 FixedArrayBase::kHeaderSize;
4463 lw(at, FieldMemOperand(scratch, offset)); 4463 lw(at, FieldMemOperand(scratch, offset));
4464 Branch(no_map_match, ne, map_in_out, Operand(at)); 4464 Branch(no_map_match, ne, map_in_out, Operand(at));
4465 4465
(...skipping 25 matching lines...) Expand all
4491 scratch, 4491 scratch,
4492 &done); 4492 &done);
4493 } 4493 }
4494 bind(&done); 4494 bind(&done);
4495 } 4495 }
4496 4496
4497 4497
4498 void MacroAssembler::LoadGlobalFunction(int index, Register function) { 4498 void MacroAssembler::LoadGlobalFunction(int index, Register function) {
4499 // Load the global or builtins object from the current context. 4499 // Load the global or builtins object from the current context.
4500 lw(function, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX))); 4500 lw(function, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
4501 // Load the global context from the global or builtins object. 4501 // Load the native context from the global or builtins object.
4502 lw(function, FieldMemOperand(function, 4502 lw(function, FieldMemOperand(function,
4503 GlobalObject::kGlobalContextOffset)); 4503 GlobalObject::kNativeContextOffset));
4504 // Load the function from the global context. 4504 // Load the function from the native context.
4505 lw(function, MemOperand(function, Context::SlotOffset(index))); 4505 lw(function, MemOperand(function, Context::SlotOffset(index)));
4506 } 4506 }
4507 4507
4508 4508
4509 void MacroAssembler::LoadGlobalFunctionInitialMap(Register function, 4509 void MacroAssembler::LoadGlobalFunctionInitialMap(Register function,
4510 Register map, 4510 Register map,
4511 Register scratch) { 4511 Register scratch) {
4512 // Load the initial map. The global functions all have initial maps. 4512 // Load the initial map. The global functions all have initial maps.
4513 lw(map, FieldMemOperand(function, JSFunction::kPrototypeOrInitialMapOffset)); 4513 lw(map, FieldMemOperand(function, JSFunction::kPrototypeOrInitialMapOffset));
4514 if (emit_debug_code()) { 4514 if (emit_debug_code()) {
(...skipping 945 matching lines...) Expand 10 before | Expand all | Expand 10 after
5460 opcode == BGTZL); 5460 opcode == BGTZL);
5461 opcode = (cond == eq) ? BEQ : BNE; 5461 opcode = (cond == eq) ? BEQ : BNE;
5462 instr = (instr & ~kOpcodeMask) | opcode; 5462 instr = (instr & ~kOpcodeMask) | opcode;
5463 masm_.emit(instr); 5463 masm_.emit(instr);
5464 } 5464 }
5465 5465
5466 5466
5467 } } // namespace v8::internal 5467 } } // namespace v8::internal
5468 5468
5469 #endif // V8_TARGET_ARCH_MIPS 5469 #endif // V8_TARGET_ARCH_MIPS
OLDNEW
« src/heap.h ('K') | « src/mips/macro-assembler-mips.h ('k') | src/mips/stub-cache-mips.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698