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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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378 mov(value, Immediate(BitCast<int32_t>(kZapValue))); | 378 mov(value, Immediate(BitCast<int32_t>(kZapValue))); |
379 } | 379 } |
380 } | 380 } |
381 | 381 |
382 | 382 |
383 #ifdef ENABLE_DEBUGGER_SUPPORT | 383 #ifdef ENABLE_DEBUGGER_SUPPORT |
384 void MacroAssembler::DebugBreak() { | 384 void MacroAssembler::DebugBreak() { |
385 Set(eax, Immediate(0)); | 385 Set(eax, Immediate(0)); |
386 mov(ebx, Immediate(ExternalReference(Runtime::kDebugBreak, isolate()))); | 386 mov(ebx, Immediate(ExternalReference(Runtime::kDebugBreak, isolate()))); |
387 CEntryStub ces(1); | 387 CEntryStub ces(1); |
388 call(ces.GetCode(), RelocInfo::DEBUG_BREAK); | 388 call(ces.GetCode(isolate()), RelocInfo::DEBUG_BREAK); |
389 } | 389 } |
390 #endif | 390 #endif |
391 | 391 |
392 | 392 |
393 void MacroAssembler::Set(Register dst, const Immediate& x) { | 393 void MacroAssembler::Set(Register dst, const Immediate& x) { |
394 if (x.is_zero()) { | 394 if (x.is_zero()) { |
395 xor_(dst, dst); // Shorter than mov. | 395 xor_(dst, dst); // Shorter than mov. |
396 } else { | 396 } else { |
397 mov(dst, x); | 397 mov(dst, x); |
398 } | 398 } |
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1795 bind(&non_instance); | 1795 bind(&non_instance); |
1796 mov(result, FieldOperand(result, Map::kConstructorOffset)); | 1796 mov(result, FieldOperand(result, Map::kConstructorOffset)); |
1797 | 1797 |
1798 // All done. | 1798 // All done. |
1799 bind(&done); | 1799 bind(&done); |
1800 } | 1800 } |
1801 | 1801 |
1802 | 1802 |
1803 void MacroAssembler::CallStub(CodeStub* stub, TypeFeedbackId ast_id) { | 1803 void MacroAssembler::CallStub(CodeStub* stub, TypeFeedbackId ast_id) { |
1804 ASSERT(AllowThisStubCall(stub)); // Calls are not allowed in some stubs. | 1804 ASSERT(AllowThisStubCall(stub)); // Calls are not allowed in some stubs. |
1805 call(stub->GetCode(), RelocInfo::CODE_TARGET, ast_id); | 1805 call(stub->GetCode(isolate()), RelocInfo::CODE_TARGET, ast_id); |
1806 } | 1806 } |
1807 | 1807 |
1808 | 1808 |
1809 void MacroAssembler::TailCallStub(CodeStub* stub) { | 1809 void MacroAssembler::TailCallStub(CodeStub* stub) { |
1810 ASSERT(allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe()); | 1810 ASSERT(allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe()); |
1811 jmp(stub->GetCode(), RelocInfo::CODE_TARGET); | 1811 jmp(stub->GetCode(isolate()), RelocInfo::CODE_TARGET); |
1812 } | 1812 } |
1813 | 1813 |
1814 | 1814 |
1815 void MacroAssembler::StubReturn(int argc) { | 1815 void MacroAssembler::StubReturn(int argc) { |
1816 ASSERT(argc >= 1 && generating_stub()); | 1816 ASSERT(argc >= 1 && generating_stub()); |
1817 ret((argc - 1) * kPointerSize); | 1817 ret((argc - 1) * kPointerSize); |
1818 } | 1818 } |
1819 | 1819 |
1820 | 1820 |
1821 bool MacroAssembler::AllowThisStubCall(CodeStub* stub) { | 1821 bool MacroAssembler::AllowThisStubCall(CodeStub* stub) { |
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2090 call(eax); | 2090 call(eax); |
2091 mov(eax, edi); | 2091 mov(eax, edi); |
2092 jmp(&leave_exit_frame); | 2092 jmp(&leave_exit_frame); |
2093 } | 2093 } |
2094 | 2094 |
2095 | 2095 |
2096 void MacroAssembler::JumpToExternalReference(const ExternalReference& ext) { | 2096 void MacroAssembler::JumpToExternalReference(const ExternalReference& ext) { |
2097 // Set the entry point and jump to the C entry runtime stub. | 2097 // Set the entry point and jump to the C entry runtime stub. |
2098 mov(ebx, Immediate(ext)); | 2098 mov(ebx, Immediate(ext)); |
2099 CEntryStub ces(1); | 2099 CEntryStub ces(1); |
2100 jmp(ces.GetCode(), RelocInfo::CODE_TARGET); | 2100 jmp(ces.GetCode(isolate()), RelocInfo::CODE_TARGET); |
2101 } | 2101 } |
2102 | 2102 |
2103 | 2103 |
2104 void MacroAssembler::SetCallKind(Register dst, CallKind call_kind) { | 2104 void MacroAssembler::SetCallKind(Register dst, CallKind call_kind) { |
2105 // This macro takes the dst register to make the code more readable | 2105 // This macro takes the dst register to make the code more readable |
2106 // at the call sites. However, the dst register has to be ecx to | 2106 // at the call sites. However, the dst register has to be ecx to |
2107 // follow the calling convention which requires the call type to be | 2107 // follow the calling convention which requires the call type to be |
2108 // in ecx. | 2108 // in ecx. |
2109 ASSERT(dst.is(ecx)); | 2109 ASSERT(dst.is(ecx)); |
2110 if (call_kind == CALL_AS_FUNCTION) { | 2110 if (call_kind == CALL_AS_FUNCTION) { |
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3081 j(greater, &no_info_available); | 3081 j(greater, &no_info_available); |
3082 cmp(MemOperand(scratch_reg, -AllocationSiteInfo::kSize), | 3082 cmp(MemOperand(scratch_reg, -AllocationSiteInfo::kSize), |
3083 Immediate(Handle<Map>(isolate()->heap()->allocation_site_info_map()))); | 3083 Immediate(Handle<Map>(isolate()->heap()->allocation_site_info_map()))); |
3084 bind(&no_info_available); | 3084 bind(&no_info_available); |
3085 } | 3085 } |
3086 | 3086 |
3087 | 3087 |
3088 } } // namespace v8::internal | 3088 } } // namespace v8::internal |
3089 | 3089 |
3090 #endif // V8_TARGET_ARCH_IA32 | 3090 #endif // V8_TARGET_ARCH_IA32 |
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