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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" | 5 #include "vm/globals.h" |
6 #if defined(TARGET_ARCH_IA32) | 6 #if defined(TARGET_ARCH_IA32) |
7 | 7 |
8 #include "vm/assembler.h" | 8 #include "vm/assembler.h" |
9 #include "vm/compiler.h" | 9 #include "vm/compiler.h" |
10 #include "vm/dart_entry.h" | 10 #include "vm/dart_entry.h" |
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1778 | 1778 |
1779 | 1779 |
1780 // Jump to the exception or error handler. | 1780 // Jump to the exception or error handler. |
1781 // TOS + 0: return address | 1781 // TOS + 0: return address |
1782 // TOS + 1: program_counter | 1782 // TOS + 1: program_counter |
1783 // TOS + 2: stack_pointer | 1783 // TOS + 2: stack_pointer |
1784 // TOS + 3: frame_pointer | 1784 // TOS + 3: frame_pointer |
1785 // TOS + 4: exception object | 1785 // TOS + 4: exception object |
1786 // TOS + 5: stacktrace object | 1786 // TOS + 5: stacktrace object |
1787 // TOS + 6: thread | 1787 // TOS + 6: thread |
1788 // TOS + 7: pool pointer (unused) | |
1789 // No Result. | 1788 // No Result. |
1790 void StubCode::GenerateJumpToExceptionHandlerStub(Assembler* assembler) { | 1789 void StubCode::GenerateJumpToExceptionHandlerStub(Assembler* assembler) { |
1791 ASSERT(kExceptionObjectReg == EAX); | 1790 ASSERT(kExceptionObjectReg == EAX); |
1792 ASSERT(kStackTraceObjectReg == EDX); | 1791 ASSERT(kStackTraceObjectReg == EDX); |
1793 __ movl(THR, Address(ESP, 6 * kWordSize)); // Load target thread. | 1792 __ movl(THR, Address(ESP, 6 * kWordSize)); // Load target thread. |
1794 __ movl(kStackTraceObjectReg, Address(ESP, 5 * kWordSize)); | 1793 __ movl(kStackTraceObjectReg, Address(ESP, 5 * kWordSize)); |
1795 __ movl(kExceptionObjectReg, Address(ESP, 4 * kWordSize)); | 1794 __ movl(kExceptionObjectReg, Address(ESP, 4 * kWordSize)); |
1796 __ movl(EBP, Address(ESP, 3 * kWordSize)); // Load target frame_pointer. | 1795 __ movl(EBP, Address(ESP, 3 * kWordSize)); // Load target frame_pointer. |
1797 __ movl(EBX, Address(ESP, 1 * kWordSize)); // Load target PC into EBX. | 1796 __ movl(EBX, Address(ESP, 1 * kWordSize)); // Load target PC into EBX. |
1798 __ movl(ESP, Address(ESP, 2 * kWordSize)); // Load target stack_pointer. | 1797 __ movl(ESP, Address(ESP, 2 * kWordSize)); // Load target stack_pointer. |
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2038 } | 2037 } |
2039 | 2038 |
2040 | 2039 |
2041 void StubCode::GenerateFrameAwaitingMaterializationStub(Assembler* assembler) { | 2040 void StubCode::GenerateFrameAwaitingMaterializationStub(Assembler* assembler) { |
2042 __ int3(); | 2041 __ int3(); |
2043 } | 2042 } |
2044 | 2043 |
2045 } // namespace dart | 2044 } // namespace dart |
2046 | 2045 |
2047 #endif // defined TARGET_ARCH_IA32 | 2046 #endif // defined TARGET_ARCH_IA32 |
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