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Issue 12300018: Made Isolate a mandatory parameter for everything Handle-related. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Fixed CreateCode calls. Be nicer to MIPS. Created 7 years, 10 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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418 } 418 }
419 } 419 }
420 420
421 421
422 void MacroAssembler::LoadRoot(Register destination, 422 void MacroAssembler::LoadRoot(Register destination,
423 Heap::RootListIndex index, 423 Heap::RootListIndex index,
424 Condition cond) { 424 Condition cond) {
425 if (CpuFeatures::IsSupported(MOVW_MOVT_IMMEDIATE_LOADS) && 425 if (CpuFeatures::IsSupported(MOVW_MOVT_IMMEDIATE_LOADS) &&
426 !Heap::RootCanBeWrittenAfterInitialization(index) && 426 !Heap::RootCanBeWrittenAfterInitialization(index) &&
427 !predictable_code_size()) { 427 !predictable_code_size()) {
428 Handle<Object> root(isolate()->heap()->roots_array_start()[index]); 428 Handle<Object> root(isolate()->heap()->roots_array_start()[index],
429 isolate());
429 if (!isolate()->heap()->InNewSpace(*root)) { 430 if (!isolate()->heap()->InNewSpace(*root)) {
430 // The CPU supports fast immediate values, and this root will never 431 // The CPU supports fast immediate values, and this root will never
431 // change. We will load it as a relocatable immediate value. 432 // change. We will load it as a relocatable immediate value.
432 mov(destination, Operand(root), LeaveCC, cond); 433 mov(destination, Operand(root), LeaveCC, cond);
433 return; 434 return;
434 } 435 }
435 } 436 }
436 ldr(destination, MemOperand(kRootRegister, index << kPointerSizeLog2), cond); 437 ldr(destination, MemOperand(kRootRegister, index << kPointerSizeLog2), cond);
437 } 438 }
438 439
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2234 2235
2235 2236
2236 static int AddressOffset(ExternalReference ref0, ExternalReference ref1) { 2237 static int AddressOffset(ExternalReference ref0, ExternalReference ref1) {
2237 return ref0.address() - ref1.address(); 2238 return ref0.address() - ref1.address();
2238 } 2239 }
2239 2240
2240 2241
2241 void MacroAssembler::CallApiFunctionAndReturn(ExternalReference function, 2242 void MacroAssembler::CallApiFunctionAndReturn(ExternalReference function,
2242 int stack_space) { 2243 int stack_space) {
2243 ExternalReference next_address = 2244 ExternalReference next_address =
2244 ExternalReference::handle_scope_next_address(); 2245 ExternalReference::handle_scope_next_address(isolate());
2245 const int kNextOffset = 0; 2246 const int kNextOffset = 0;
2246 const int kLimitOffset = AddressOffset( 2247 const int kLimitOffset = AddressOffset(
2247 ExternalReference::handle_scope_limit_address(), 2248 ExternalReference::handle_scope_limit_address(isolate()),
2248 next_address); 2249 next_address);
2249 const int kLevelOffset = AddressOffset( 2250 const int kLevelOffset = AddressOffset(
2250 ExternalReference::handle_scope_level_address(), 2251 ExternalReference::handle_scope_level_address(isolate()),
2251 next_address); 2252 next_address);
2252 2253
2253 // Allocate HandleScope in callee-save registers. 2254 // Allocate HandleScope in callee-save registers.
2254 mov(r7, Operand(next_address)); 2255 mov(r7, Operand(next_address));
2255 ldr(r4, MemOperand(r7, kNextOffset)); 2256 ldr(r4, MemOperand(r7, kNextOffset));
2256 ldr(r5, MemOperand(r7, kLimitOffset)); 2257 ldr(r5, MemOperand(r7, kLimitOffset));
2257 ldr(r6, MemOperand(r7, kLevelOffset)); 2258 ldr(r6, MemOperand(r7, kLevelOffset));
2258 add(r6, r6, Operand(1)); 2259 add(r6, r6, Operand(1));
2259 str(r6, MemOperand(r7, kLevelOffset)); 2260 str(r6, MemOperand(r7, kLevelOffset));
2260 2261
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3990 void CodePatcher::EmitCondition(Condition cond) { 3991 void CodePatcher::EmitCondition(Condition cond) {
3991 Instr instr = Assembler::instr_at(masm_.pc_); 3992 Instr instr = Assembler::instr_at(masm_.pc_);
3992 instr = (instr & ~kCondMask) | cond; 3993 instr = (instr & ~kCondMask) | cond;
3993 masm_.emit(instr); 3994 masm_.emit(instr);
3994 } 3995 }
3995 3996
3996 3997
3997 } } // namespace v8::internal 3998 } } // namespace v8::internal
3998 3999
3999 #endif // V8_TARGET_ARCH_ARM 4000 #endif // V8_TARGET_ARCH_ARM
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