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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 // 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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| 1803 } | 1803 } |
| 1804 | 1804 |
| 1805 | 1805 |
| 1806 void MacroAssembler::CallStub(CodeStub* stub, TypeFeedbackId ast_id) { | 1806 void MacroAssembler::CallStub(CodeStub* stub, TypeFeedbackId ast_id) { |
| 1807 ASSERT(AllowThisStubCall(stub)); // Calls are not allowed in some stubs. | 1807 ASSERT(AllowThisStubCall(stub)); // Calls are not allowed in some stubs. |
| 1808 call(stub->GetCode(isolate()), RelocInfo::CODE_TARGET, ast_id); | 1808 call(stub->GetCode(isolate()), RelocInfo::CODE_TARGET, ast_id); |
| 1809 } | 1809 } |
| 1810 | 1810 |
| 1811 | 1811 |
| 1812 void MacroAssembler::TailCallStub(CodeStub* stub) { | 1812 void MacroAssembler::TailCallStub(CodeStub* stub) { |
| 1813 ASSERT(allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe()); | 1813 ASSERT(allow_stub_calls_ || |
| 1814 stub->CompilingCallsToThisStubIsGCSafe(isolate())); |
| 1814 jmp(stub->GetCode(isolate()), RelocInfo::CODE_TARGET); | 1815 jmp(stub->GetCode(isolate()), RelocInfo::CODE_TARGET); |
| 1815 } | 1816 } |
| 1816 | 1817 |
| 1817 | 1818 |
| 1818 void MacroAssembler::StubReturn(int argc) { | 1819 void MacroAssembler::StubReturn(int argc) { |
| 1819 ASSERT(argc >= 1 && generating_stub()); | 1820 ASSERT(argc >= 1 && generating_stub()); |
| 1820 ret((argc - 1) * kPointerSize); | 1821 ret((argc - 1) * kPointerSize); |
| 1821 } | 1822 } |
| 1822 | 1823 |
| 1823 | 1824 |
| 1824 bool MacroAssembler::AllowThisStubCall(CodeStub* stub) { | 1825 bool MacroAssembler::AllowThisStubCall(CodeStub* stub) { |
| 1825 if (!has_frame_ && stub->SometimesSetsUpAFrame()) return false; | 1826 if (!has_frame_ && stub->SometimesSetsUpAFrame()) return false; |
| 1826 return allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe(); | 1827 return allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe(isolate()); |
| 1827 } | 1828 } |
| 1828 | 1829 |
| 1829 | 1830 |
| 1830 void MacroAssembler::IllegalOperation(int num_arguments) { | 1831 void MacroAssembler::IllegalOperation(int num_arguments) { |
| 1831 if (num_arguments > 0) { | 1832 if (num_arguments > 0) { |
| 1832 add(esp, Immediate(num_arguments * kPointerSize)); | 1833 add(esp, Immediate(num_arguments * kPointerSize)); |
| 1833 } | 1834 } |
| 1834 mov(eax, Immediate(isolate()->factory()->undefined_value())); | 1835 mov(eax, Immediate(isolate()->factory()->undefined_value())); |
| 1835 } | 1836 } |
| 1836 | 1837 |
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| 3095 j(greater, &no_info_available); | 3096 j(greater, &no_info_available); |
| 3096 cmp(MemOperand(scratch_reg, -AllocationSiteInfo::kSize), | 3097 cmp(MemOperand(scratch_reg, -AllocationSiteInfo::kSize), |
| 3097 Immediate(Handle<Map>(isolate()->heap()->allocation_site_info_map()))); | 3098 Immediate(Handle<Map>(isolate()->heap()->allocation_site_info_map()))); |
| 3098 bind(&no_info_available); | 3099 bind(&no_info_available); |
| 3099 } | 3100 } |
| 3100 | 3101 |
| 3101 | 3102 |
| 3102 } } // namespace v8::internal | 3103 } } // namespace v8::internal |
| 3103 | 3104 |
| 3104 #endif // V8_TARGET_ARCH_IA32 | 3105 #endif // V8_TARGET_ARCH_IA32 |
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