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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 |
| (...skipping 4251 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 4262 // Uncook return address and return. | 4262 // Uncook return address and return. |
| 4263 __ pop(result_register()); | 4263 __ pop(result_register()); |
| 4264 ASSERT_EQ(1, kSmiTagSize + kSmiShiftSize); | 4264 ASSERT_EQ(1, kSmiTagSize + kSmiShiftSize); |
| 4265 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value. | 4265 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value. |
| 4266 __ add(pc, r1, Operand(masm_->CodeObject())); | 4266 __ add(pc, r1, Operand(masm_->CodeObject())); |
| 4267 } | 4267 } |
| 4268 | 4268 |
| 4269 | 4269 |
| 4270 #undef __ | 4270 #undef __ |
| 4271 | 4271 |
| 4272 #define __ ACCESS_MASM(masm()) |
| 4273 |
| 4274 FullCodeGenerator::NestedStatement* FullCodeGenerator::TryFinally::Exit( |
| 4275 int* stack_depth, |
| 4276 int* context_length) { |
| 4277 // The macros used here must preserve the result register. |
| 4278 |
| 4279 // Because the handler block contains the context of the finally |
| 4280 // code, we can restore it directly from there for the finally code |
| 4281 // rather than iteratively unwinding contexts via their previous |
| 4282 // links. |
| 4283 __ Drop(*stack_depth); // Down to the handler block. |
| 4284 if (*context_length > 0) { |
| 4285 // Restore the context to its dedicated register and the stack. |
| 4286 __ ldr(cp, MemOperand(sp, StackHandlerConstants::kContextOffset)); |
| 4287 __ str(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
| 4288 } |
| 4289 __ PopTryHandler(); |
| 4290 __ bl(finally_entry_); |
| 4291 |
| 4292 *stack_depth = 0; |
| 4293 *context_length = 0; |
| 4294 return previous_; |
| 4295 } |
| 4296 |
| 4297 |
| 4298 #undef __ |
| 4299 |
| 4272 } } // namespace v8::internal | 4300 } } // namespace v8::internal |
| 4273 | 4301 |
| 4274 #endif // V8_TARGET_ARCH_ARM | 4302 #endif // V8_TARGET_ARCH_ARM |
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