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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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4286 __ pop(result_register()); | 4286 __ pop(result_register()); |
4287 ASSERT_EQ(1, kSmiTagSize + kSmiShiftSize); | 4287 ASSERT_EQ(1, kSmiTagSize + kSmiShiftSize); |
4288 __ sra(a1, a1, 1); // Un-smi-tag value. | 4288 __ sra(a1, a1, 1); // Un-smi-tag value. |
4289 __ Addu(at, a1, Operand(masm_->CodeObject())); | 4289 __ Addu(at, a1, Operand(masm_->CodeObject())); |
4290 __ Jump(at); | 4290 __ Jump(at); |
4291 } | 4291 } |
4292 | 4292 |
4293 | 4293 |
4294 #undef __ | 4294 #undef __ |
4295 | 4295 |
| 4296 #define __ ACCESS_MASM(masm()) |
| 4297 |
| 4298 FullCodeGenerator::NestedStatement* FullCodeGenerator::TryFinally::Exit( |
| 4299 int* stack_depth, |
| 4300 int* context_length) { |
| 4301 // The macros used here must preserve the result register. |
| 4302 |
| 4303 // Because the handler block contains the context of the finally |
| 4304 // code, we can restore it directly from there for the finally code |
| 4305 // rather than iteratively unwinding contexts via their previous |
| 4306 // links. |
| 4307 __ Drop(*stack_depth); // Down to the handler block. |
| 4308 if (*context_length > 0) { |
| 4309 // Restore the context to its dedicated register and the stack. |
| 4310 __ lw(cp, MemOperand(sp, StackHandlerConstants::kContextOffset)); |
| 4311 __ sw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
| 4312 } |
| 4313 __ PopTryHandler(); |
| 4314 __ Call(finally_entry_); |
| 4315 |
| 4316 *stack_depth = 0; |
| 4317 *context_length = 0; |
| 4318 return previous_; |
| 4319 } |
| 4320 |
| 4321 |
| 4322 #undef __ |
| 4323 |
4296 } } // namespace v8::internal | 4324 } } // namespace v8::internal |
4297 | 4325 |
4298 #endif // V8_TARGET_ARCH_MIPS | 4326 #endif // V8_TARGET_ARCH_MIPS |
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