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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_MIPS | 7 #if V8_TARGET_ARCH_MIPS |
8 | 8 |
9 // Note on Mips implementation: | 9 // Note on Mips implementation: |
10 // | 10 // |
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5322 | 5322 |
5323 // Store result register while executing finally block. | 5323 // Store result register while executing finally block. |
5324 __ push(a1); | 5324 __ push(a1); |
5325 | 5325 |
5326 // Store pending message while executing finally block. | 5326 // Store pending message while executing finally block. |
5327 ExternalReference pending_message_obj = | 5327 ExternalReference pending_message_obj = |
5328 ExternalReference::address_of_pending_message_obj(isolate()); | 5328 ExternalReference::address_of_pending_message_obj(isolate()); |
5329 __ li(at, Operand(pending_message_obj)); | 5329 __ li(at, Operand(pending_message_obj)); |
5330 __ lw(a1, MemOperand(at)); | 5330 __ lw(a1, MemOperand(at)); |
5331 __ push(a1); | 5331 __ push(a1); |
5332 | |
5333 ExternalReference has_pending_message = | |
5334 ExternalReference::address_of_has_pending_message(isolate()); | |
5335 __ li(at, Operand(has_pending_message)); | |
5336 __ lw(a1, MemOperand(at)); | |
5337 __ SmiTag(a1); | |
5338 __ push(a1); | |
5339 } | 5332 } |
5340 | 5333 |
5341 | 5334 |
5342 void FullCodeGenerator::ExitFinallyBlock() { | 5335 void FullCodeGenerator::ExitFinallyBlock() { |
5343 DCHECK(!result_register().is(a1)); | 5336 DCHECK(!result_register().is(a1)); |
5344 // Restore pending message from stack. | 5337 // Restore pending message from stack. |
5345 __ pop(a1); | 5338 __ pop(a1); |
5346 __ SmiUntag(a1); | |
5347 ExternalReference has_pending_message = | |
5348 ExternalReference::address_of_has_pending_message(isolate()); | |
5349 __ li(at, Operand(has_pending_message)); | |
5350 __ sw(a1, MemOperand(at)); | |
5351 | |
5352 __ pop(a1); | |
5353 ExternalReference pending_message_obj = | 5339 ExternalReference pending_message_obj = |
5354 ExternalReference::address_of_pending_message_obj(isolate()); | 5340 ExternalReference::address_of_pending_message_obj(isolate()); |
5355 __ li(at, Operand(pending_message_obj)); | 5341 __ li(at, Operand(pending_message_obj)); |
5356 __ sw(a1, MemOperand(at)); | 5342 __ sw(a1, MemOperand(at)); |
5357 | 5343 |
5358 // Restore result register from stack. | 5344 // Restore result register from stack. |
5359 __ pop(a1); | 5345 __ pop(a1); |
5360 | 5346 |
5361 // Uncook return address and return. | 5347 // Uncook return address and return. |
5362 __ pop(result_register()); | 5348 __ pop(result_register()); |
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5470 Assembler::target_address_at(pc_immediate_load_address)) == | 5456 Assembler::target_address_at(pc_immediate_load_address)) == |
5471 reinterpret_cast<uint32_t>( | 5457 reinterpret_cast<uint32_t>( |
5472 isolate->builtins()->OsrAfterStackCheck()->entry())); | 5458 isolate->builtins()->OsrAfterStackCheck()->entry())); |
5473 return OSR_AFTER_STACK_CHECK; | 5459 return OSR_AFTER_STACK_CHECK; |
5474 } | 5460 } |
5475 | 5461 |
5476 | 5462 |
5477 } } // namespace v8::internal | 5463 } } // namespace v8::internal |
5478 | 5464 |
5479 #endif // V8_TARGET_ARCH_MIPS | 5465 #endif // V8_TARGET_ARCH_MIPS |
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