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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_IA32 | 7 #if V8_TARGET_ARCH_IA32 |
8 | 8 |
9 #include "src/code-factory.h" | 9 #include "src/code-factory.h" |
10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
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5294 __ pop(result_register()); | 5294 __ pop(result_register()); |
5295 | 5295 |
5296 // Uncook return address. | 5296 // Uncook return address. |
5297 __ pop(edx); | 5297 __ pop(edx); |
5298 __ SmiUntag(edx); | 5298 __ SmiUntag(edx); |
5299 __ add(edx, Immediate(masm_->CodeObject())); | 5299 __ add(edx, Immediate(masm_->CodeObject())); |
5300 __ jmp(edx); | 5300 __ jmp(edx); |
5301 } | 5301 } |
5302 | 5302 |
5303 | 5303 |
| 5304 void FullCodeGenerator::EnterCatchBlock() { |
| 5305 DCHECK(!result_register().is(edx)); |
| 5306 ExternalReference pending_message_obj = |
| 5307 ExternalReference::address_of_pending_message_obj(isolate()); |
| 5308 __ mov(edx, Immediate(isolate()->factory()->the_hole_value())); |
| 5309 __ mov(Operand::StaticVariable(pending_message_obj), edx); |
| 5310 } |
| 5311 |
| 5312 |
5304 #undef __ | 5313 #undef __ |
5305 | 5314 |
5306 | 5315 |
5307 static const byte kJnsInstruction = 0x79; | 5316 static const byte kJnsInstruction = 0x79; |
5308 static const byte kJnsOffset = 0x11; | 5317 static const byte kJnsOffset = 0x11; |
5309 static const byte kNopByteOne = 0x66; | 5318 static const byte kNopByteOne = 0x66; |
5310 static const byte kNopByteTwo = 0x90; | 5319 static const byte kNopByteTwo = 0x90; |
5311 #ifdef DEBUG | 5320 #ifdef DEBUG |
5312 static const byte kCallInstruction = 0xe8; | 5321 static const byte kCallInstruction = 0xe8; |
5313 #endif | 5322 #endif |
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5377 DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), | 5386 DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), |
5378 Assembler::target_address_at(call_target_address, | 5387 Assembler::target_address_at(call_target_address, |
5379 unoptimized_code)); | 5388 unoptimized_code)); |
5380 return OSR_AFTER_STACK_CHECK; | 5389 return OSR_AFTER_STACK_CHECK; |
5381 } | 5390 } |
5382 | 5391 |
5383 | 5392 |
5384 } } // namespace v8::internal | 5393 } } // namespace v8::internal |
5385 | 5394 |
5386 #endif // V8_TARGET_ARCH_IA32 | 5395 #endif // V8_TARGET_ARCH_IA32 |
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