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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_IA32. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_IA32. |
| 6 #if defined(TARGET_ARCH_IA32) | 6 #if defined(TARGET_ARCH_IA32) |
| 7 | 7 |
| 8 #include "vm/intermediate_language.h" | 8 #include "vm/intermediate_language.h" |
| 9 | 9 |
| 10 #include "lib/error.h" | 10 #include "lib/error.h" |
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| 78 ASSERT(result == EAX); | 78 ASSERT(result == EAX); |
| 79 #if defined(DEBUG) | 79 #if defined(DEBUG) |
| 80 // TODO(srdjan): Fix for functions with finally clause. | 80 // TODO(srdjan): Fix for functions with finally clause. |
| 81 // A finally clause may leave a previously pushed return value if it | 81 // A finally clause may leave a previously pushed return value if it |
| 82 // has its own return instruction. Method that have finally are currently | 82 // has its own return instruction. Method that have finally are currently |
| 83 // not optimized. | 83 // not optimized. |
| 84 if (!compiler->HasFinally()) { | 84 if (!compiler->HasFinally()) { |
| 85 __ Comment("Stack Check"); | 85 __ Comment("Stack Check"); |
| 86 Label done; | 86 Label done; |
| 87 const intptr_t fp_sp_dist = | 87 const intptr_t fp_sp_dist = |
| 88 (kFirstLocalSlotIndex + 1 - compiler->StackSize()) * kWordSize; | 88 (kFirstLocalSlotFromFp + 1 - compiler->StackSize()) * kWordSize; |
| 89 ASSERT(fp_sp_dist <= 0); | 89 ASSERT(fp_sp_dist <= 0); |
| 90 __ movl(EDI, ESP); | 90 __ movl(EDI, ESP); |
| 91 __ subl(EDI, EBP); | 91 __ subl(EDI, EBP); |
| 92 __ cmpl(EDI, Immediate(fp_sp_dist)); | 92 __ cmpl(EDI, Immediate(fp_sp_dist)); |
| 93 __ j(EQUAL, &done, Assembler::kNearJump); | 93 __ j(EQUAL, &done, Assembler::kNearJump); |
| 94 __ int3(); | 94 __ int3(); |
| 95 __ Bind(&done); | 95 __ Bind(&done); |
| 96 } | 96 } |
| 97 #endif | 97 #endif |
| 98 __ LeaveFrame(); | 98 __ LeaveFrame(); |
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| 1041 void NativeCallInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 1041 void NativeCallInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
| 1042 ASSERT(locs()->temp(0).reg() == EAX); | 1042 ASSERT(locs()->temp(0).reg() == EAX); |
| 1043 ASSERT(locs()->temp(1).reg() == ECX); | 1043 ASSERT(locs()->temp(1).reg() == ECX); |
| 1044 ASSERT(locs()->temp(2).reg() == EDX); | 1044 ASSERT(locs()->temp(2).reg() == EDX); |
| 1045 Register result = locs()->out().reg(); | 1045 Register result = locs()->out().reg(); |
| 1046 | 1046 |
| 1047 // Push the result place holder initialized to NULL. | 1047 // Push the result place holder initialized to NULL. |
| 1048 __ PushObject(Object::ZoneHandle()); | 1048 __ PushObject(Object::ZoneHandle()); |
| 1049 // Pass a pointer to the first argument in EAX. | 1049 // Pass a pointer to the first argument in EAX. |
| 1050 if (!function().HasOptionalParameters()) { | 1050 if (!function().HasOptionalParameters()) { |
| 1051 __ leal(EAX, Address(EBP, (kLastParamSlotIndex + | 1051 __ leal(EAX, Address(EBP, (kParamEndSlotFromFp + |
| 1052 function().NumParameters() - 1) * kWordSize)); | 1052 function().NumParameters()) * kWordSize)); |
| 1053 } else { | 1053 } else { |
| 1054 __ leal(EAX, Address(EBP, kFirstLocalSlotIndex * kWordSize)); | 1054 __ leal(EAX, Address(EBP, kFirstLocalSlotFromFp * kWordSize)); |
| 1055 } | 1055 } |
| 1056 __ movl(ECX, Immediate(reinterpret_cast<uword>(native_c_function()))); | 1056 __ movl(ECX, Immediate(reinterpret_cast<uword>(native_c_function()))); |
| 1057 __ movl(EDX, Immediate(NativeArguments::ComputeArgcTag(function()))); | 1057 __ movl(EDX, Immediate(NativeArguments::ComputeArgcTag(function()))); |
| 1058 compiler->GenerateCall(token_pos(), | 1058 compiler->GenerateCall(token_pos(), |
| 1059 &StubCode::CallNativeCFunctionLabel(), | 1059 &StubCode::CallNativeCFunctionLabel(), |
| 1060 PcDescriptors::kOther, | 1060 PcDescriptors::kOther, |
| 1061 locs()); | 1061 locs()); |
| 1062 __ popl(result); | 1062 __ popl(result); |
| 1063 } | 1063 } |
| 1064 | 1064 |
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| 2075 LocationSummary::kNoCall); | 2075 LocationSummary::kNoCall); |
| 2076 } | 2076 } |
| 2077 | 2077 |
| 2078 | 2078 |
| 2079 // Restore stack and initialize the two exception variables: | 2079 // Restore stack and initialize the two exception variables: |
| 2080 // exception and stack trace variables. | 2080 // exception and stack trace variables. |
| 2081 void CatchEntryInstr::EmitNativeCode(FlowGraphCompiler* compiler) { | 2081 void CatchEntryInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
| 2082 // Restore ESP from EBP as we are coming from a throw and the code for | 2082 // Restore ESP from EBP as we are coming from a throw and the code for |
| 2083 // popping arguments has not been run. | 2083 // popping arguments has not been run. |
| 2084 const intptr_t fp_sp_dist = | 2084 const intptr_t fp_sp_dist = |
| 2085 (kFirstLocalSlotIndex + 1 - compiler->StackSize()) * kWordSize; | 2085 (kFirstLocalSlotFromFp + 1 - compiler->StackSize()) * kWordSize; |
| 2086 ASSERT(fp_sp_dist <= 0); | 2086 ASSERT(fp_sp_dist <= 0); |
| 2087 __ leal(ESP, Address(EBP, fp_sp_dist)); | 2087 __ leal(ESP, Address(EBP, fp_sp_dist)); |
| 2088 | 2088 |
| 2089 ASSERT(!exception_var().is_captured()); | 2089 ASSERT(!exception_var().is_captured()); |
| 2090 ASSERT(!stacktrace_var().is_captured()); | 2090 ASSERT(!stacktrace_var().is_captured()); |
| 2091 __ movl(Address(EBP, exception_var().index() * kWordSize), | 2091 __ movl(Address(EBP, exception_var().index() * kWordSize), |
| 2092 kExceptionObjectReg); | 2092 kExceptionObjectReg); |
| 2093 __ movl(Address(EBP, stacktrace_var().index() * kWordSize), | 2093 __ movl(Address(EBP, stacktrace_var().index() * kWordSize), |
| 2094 kStackTraceObjectReg); | 2094 kStackTraceObjectReg); |
| 2095 } | 2095 } |
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| 4423 PcDescriptors::kOther, | 4423 PcDescriptors::kOther, |
| 4424 locs()); | 4424 locs()); |
| 4425 __ Drop(2); // Discard type arguments and receiver. | 4425 __ Drop(2); // Discard type arguments and receiver. |
| 4426 } | 4426 } |
| 4427 | 4427 |
| 4428 } // namespace dart | 4428 } // namespace dart |
| 4429 | 4429 |
| 4430 #undef __ | 4430 #undef __ |
| 4431 | 4431 |
| 4432 #endif // defined TARGET_ARCH_IA32 | 4432 #endif // defined TARGET_ARCH_IA32 |
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