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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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4236 __ str(value, MemOperand(fp, frame_offset)); | 4236 __ str(value, MemOperand(fp, frame_offset)); |
4237 } | 4237 } |
4238 | 4238 |
4239 | 4239 |
4240 void FullCodeGenerator::LoadContextField(Register dst, int context_index) { | 4240 void FullCodeGenerator::LoadContextField(Register dst, int context_index) { |
4241 __ ldr(dst, ContextOperand(cp, context_index)); | 4241 __ ldr(dst, ContextOperand(cp, context_index)); |
4242 } | 4242 } |
4243 | 4243 |
4244 | 4244 |
4245 void FullCodeGenerator::PushFunctionArgumentForContextAllocation() { | 4245 void FullCodeGenerator::PushFunctionArgumentForContextAllocation() { |
4246 if (scope()->is_global_scope()) { | 4246 Scope* declaration_scope = scope()->DeclarationScope(); |
| 4247 if (declaration_scope->is_global_scope()) { |
4247 // Contexts nested in the global context have a canonical empty function | 4248 // Contexts nested in the global context have a canonical empty function |
4248 // as their closure, not the anonymous closure containing the global | 4249 // as their closure, not the anonymous closure containing the global |
4249 // code. Pass a smi sentinel and let the runtime look up the empty | 4250 // code. Pass a smi sentinel and let the runtime look up the empty |
4250 // function. | 4251 // function. |
4251 __ mov(ip, Operand(Smi::FromInt(0))); | 4252 __ mov(ip, Operand(Smi::FromInt(0))); |
4252 } else if (scope()->is_eval_scope()) { | 4253 } else if (declaration_scope->is_eval_scope()) { |
4253 // Contexts created by a call to eval have the same closure as the | 4254 // Contexts created by a call to eval have the same closure as the |
4254 // context calling eval, not the anonymous closure containing the eval | 4255 // context calling eval, not the anonymous closure containing the eval |
4255 // code. Fetch it from the context. | 4256 // code. Fetch it from the context. |
4256 __ ldr(ip, ContextOperand(cp, Context::CLOSURE_INDEX)); | 4257 __ ldr(ip, ContextOperand(cp, Context::CLOSURE_INDEX)); |
4257 } else { | 4258 } else { |
4258 ASSERT(scope()->is_function_scope() || scope()->is_catch_scope()); | 4259 ASSERT(declaration_scope->is_function_scope()); |
4259 __ ldr(ip, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); | 4260 __ ldr(ip, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); |
4260 } | 4261 } |
4261 __ push(ip); | 4262 __ push(ip); |
4262 } | 4263 } |
4263 | 4264 |
4264 | 4265 |
4265 // ---------------------------------------------------------------------------- | 4266 // ---------------------------------------------------------------------------- |
4266 // Non-local control flow support. | 4267 // Non-local control flow support. |
4267 | 4268 |
4268 void FullCodeGenerator::EnterFinallyBlock() { | 4269 void FullCodeGenerator::EnterFinallyBlock() { |
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4288 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value. | 4289 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value. |
4289 __ add(pc, r1, Operand(masm_->CodeObject())); | 4290 __ add(pc, r1, Operand(masm_->CodeObject())); |
4290 } | 4291 } |
4291 | 4292 |
4292 | 4293 |
4293 #undef __ | 4294 #undef __ |
4294 | 4295 |
4295 } } // namespace v8::internal | 4296 } } // namespace v8::internal |
4296 | 4297 |
4297 #endif // V8_TARGET_ARCH_ARM | 4298 #endif // V8_TARGET_ARCH_ARM |
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