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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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4341 // Uncook return address. | 4341 // Uncook return address. |
4342 __ pop(edx); | 4342 __ pop(edx); |
4343 __ SmiUntag(edx); | 4343 __ SmiUntag(edx); |
4344 __ add(Operand(edx), Immediate(masm_->CodeObject())); | 4344 __ add(Operand(edx), Immediate(masm_->CodeObject())); |
4345 __ jmp(Operand(edx)); | 4345 __ jmp(Operand(edx)); |
4346 } | 4346 } |
4347 | 4347 |
4348 | 4348 |
4349 #undef __ | 4349 #undef __ |
4350 | 4350 |
| 4351 #define __ ACCESS_MASM(masm()) |
| 4352 |
| 4353 FullCodeGenerator::NestedStatement* FullCodeGenerator::TryFinally::Exit( |
| 4354 int* stack_depth, |
| 4355 int* context_length) { |
| 4356 // The macros used here must preserve the result register. |
| 4357 |
| 4358 // Because the handler block contains the context of the finally |
| 4359 // code, we can restore it directly from there for the finally code |
| 4360 // rather than iteratively unwinding contexts via their previous |
| 4361 // links. |
| 4362 __ Drop(*stack_depth); // Down to the handler block. |
| 4363 if (*context_length > 0) { |
| 4364 // Restore the context to its dedicated register and the stack. |
| 4365 __ mov(esi, Operand(esp, StackHandlerConstants::kContextOffset)); |
| 4366 __ mov(Operand(ebp, StandardFrameConstants::kContextOffset), esi); |
| 4367 } |
| 4368 __ PopTryHandler(); |
| 4369 __ call(finally_entry_); |
| 4370 |
| 4371 *stack_depth = 0; |
| 4372 *context_length = 0; |
| 4373 return previous_; |
| 4374 } |
| 4375 |
| 4376 |
| 4377 #undef __ |
| 4378 |
4351 } } // namespace v8::internal | 4379 } } // namespace v8::internal |
4352 | 4380 |
4353 #endif // V8_TARGET_ARCH_IA32 | 4381 #endif // V8_TARGET_ARCH_IA32 |
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