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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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_X64) | 6 #if defined(TARGET_ARCH_X64) |
7 | 7 |
8 #include "vm/instructions.h" | 8 #include "vm/instructions.h" |
9 #include "vm/isolate.h" | 9 #include "vm/isolate.h" |
10 #include "vm/stack_frame.h" | 10 #include "vm/stack_frame.h" |
11 | 11 |
12 namespace dart { | 12 namespace dart { |
13 | 13 |
14 // The constant kExitLinkOffsetInEntryFrame must be kept in sync with the | 14 // The constant kExitLinkOffsetInEntryFrame must be kept in sync with the |
15 // code in the InvokeDartCode stub. | 15 // code in the InvokeDartCode stub. |
16 static const int kExitLinkOffsetInEntryFrame = -8 * kWordSize; | 16 static const int kExitLinkOffsetInEntryFrame = -8 * kWordSize; |
17 static const int kPcAddressOffsetFromSp = -1 * kWordSize; | 17 static const int kPcAddressOffsetFromSp = -1 * kWordSize; |
18 static const int kSpOffsetFromPreviousFp = 2 * kWordSize; | 18 static const int kSpOffsetFromPreviousFp = 2 * kWordSize; |
19 | 19 |
20 | 20 |
21 static bool ExitedFromStub(uword exit_marker) { | 21 static bool ExitedFromStub(uword exit_marker) { |
22 if (exit_marker != 0) { | 22 if (exit_marker != 0) { |
23 uword caller_pc = *reinterpret_cast<uword*>(exit_marker + kWordSize); | 23 uword caller_pc = *reinterpret_cast<uword*>(exit_marker + kWordSize); |
24 uword call_instr_pc = caller_pc - Call::InstructionLength(); | 24 uword call_instr_pc = caller_pc - CallPattern::InstructionLength(); |
25 uword call_target = Call(call_instr_pc).TargetAddress(); | 25 uword call_target = CallPattern(call_instr_pc).TargetAddress(); |
26 return StubCode::InStubCallToRuntimeStubCode(call_target); | 26 return StubCode::InStubCallToRuntimeStubCode(call_target); |
27 } | 27 } |
28 return false; | 28 return false; |
29 } | 29 } |
30 | 30 |
31 | 31 |
32 intptr_t StackFrame::PcAddressOffsetFromSp() { | 32 intptr_t StackFrame::PcAddressOffsetFromSp() { |
33 return kPcAddressOffsetFromSp; | 33 return kPcAddressOffsetFromSp; |
34 } | 34 } |
35 | 35 |
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61 uword exit_address = entry_.fp() + kExitLinkOffsetInEntryFrame; | 61 uword exit_address = entry_.fp() + kExitLinkOffsetInEntryFrame; |
62 uword exit_marker = *reinterpret_cast<uword*>(exit_address); | 62 uword exit_marker = *reinterpret_cast<uword*>(exit_address); |
63 frames_.fp_ = exit_marker; | 63 frames_.fp_ = exit_marker; |
64 frames_.from_stub_exitframe_ = ExitedFromStub(exit_marker); | 64 frames_.from_stub_exitframe_ = ExitedFromStub(exit_marker); |
65 frames_.sp_ = 0; | 65 frames_.sp_ = 0; |
66 } | 66 } |
67 | 67 |
68 } // namespace dart | 68 } // namespace dart |
69 | 69 |
70 #endif // defined TARGET_ARCH_X64 | 70 #endif // defined TARGET_ARCH_X64 |
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