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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 #ifndef VM_STACK_FRAME_ARM_H_ | 5 #ifndef VM_STACK_FRAME_ARM_H_ |
| 6 #define VM_STACK_FRAME_ARM_H_ | 6 #define VM_STACK_FRAME_ARM_H_ |
| 7 | 7 |
| 8 namespace dart { | 8 namespace dart { |
| 9 | 9 |
| 10 /* ARM Dart Frame Layout | 10 /* ARM Dart Frame Layout |
| (...skipping 14 matching lines...) Expand all Loading... |
| 25 +--------------------+ | 25 +--------------------+ |
| 26 Caller frame | last parameter | <- SP of caller frame | 26 Caller frame | last parameter | <- SP of caller frame |
| 27 | ... | | 27 | ... | |
| 28 | 28 |
| 29 T against a slot indicates it needs to be traversed during GC. | 29 T against a slot indicates it needs to be traversed during GC. |
| 30 */ | 30 */ |
| 31 | 31 |
| 32 static const int kDartFrameFixedSize = 4; // PP, FP, LR, PC marker. | 32 static const int kDartFrameFixedSize = 4; // PP, FP, LR, PC marker. |
| 33 static const int kSavedPcSlotFromSp = -2; | 33 static const int kSavedPcSlotFromSp = -2; |
| 34 | 34 |
| 35 static const int kFirstObjectSlotFromFp = -2; // Used by GC to traverse stack. | 35 static const int kFirstObjectSlotFromFp = -1; // Used by GC to traverse stack. |
| 36 | 36 |
| 37 static const int kFirstLocalSlotFromFp = -2; | 37 static const int kFirstLocalSlotFromFp = -2; |
| 38 static const int kSavedCallerPpSlotFromFp = -1; | 38 static const int kSavedCallerPpSlotFromFp = -1; |
| 39 static const int kSavedCallerFpSlotFromFp = 0; | 39 static const int kSavedCallerFpSlotFromFp = 0; |
| 40 static const int kSavedCallerPcSlotFromFp = 1; | 40 static const int kSavedCallerPcSlotFromFp = 1; |
| 41 static const int kPcMarkerSlotFromFp = 2; | 41 static const int kPcMarkerSlotFromFp = 2; |
| 42 static const int kParamEndSlotFromFp = 2; // One slot past last parameter. | 42 static const int kParamEndSlotFromFp = 2; // One slot past last parameter. |
| 43 static const int kCallerSpSlotFromFp = 3; | 43 static const int kCallerSpSlotFromFp = 3; |
| 44 | 44 |
| 45 // Entry and exit frame layout. | 45 // Entry and exit frame layout. |
| 46 static const int kSavedContextSlotFromEntryFp = -26; | 46 static const int kSavedContextSlotFromEntryFp = -26; |
| 47 static const int kExitLinkSlotFromEntryFp = -25; | 47 static const int kExitLinkSlotFromEntryFp = -25; |
| 48 | 48 |
| 49 } // namespace dart | 49 } // namespace dart |
| 50 | 50 |
| 51 #endif // VM_STACK_FRAME_ARM_H_ | 51 #endif // VM_STACK_FRAME_ARM_H_ |
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