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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 |
| (...skipping 367 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 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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