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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, 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_ARM64_H_ | 5 #ifndef VM_STACK_FRAME_ARM64_H_ |
| 6 #define VM_STACK_FRAME_ARM64_H_ | 6 #define VM_STACK_FRAME_ARM64_H_ |
| 7 | 7 |
| 8 namespace dart { | 8 namespace dart { |
| 9 | 9 |
| 10 // TODO(zra): | 10 /* ARM64 Dart Frame Layout |
| 11 // These are the values for ARM. Fill in the values for ARM64 as they are | 11 | | <- TOS |
| 12 // needed. | 12 Callee frame | ... | |
| 13 | saved PP | |
| 14 | callee's PC marker | |
| 15 | saved FP | (FP of current frame) |
| 16 | saved PC | (PC of current frame) |
| 17 +--------------------+ |
| 18 Current frame | ... T| <- SP of current frame |
| 19 | first local T| |
| 20 | caller's PP T| |
| 21 | PC marker | (current frame's code entry + offset) |
| 22 | caller's FP | <- FP of current frame |
| 23 | caller's LR | (PC of caller frame) |
| 24 +--------------------+ |
| 25 Caller frame | last parameter | <- SP of caller frame |
| 26 | ... | |
| 27 |
| 28 T against a slot indicates it needs to be traversed during GC. |
| 29 */ |
| 13 | 30 |
| 14 static const int kDartFrameFixedSize = 4; // PP, FP, LR, PC marker. | 31 static const int kDartFrameFixedSize = 4; // PP, FP, LR, PC marker. |
| 15 static const int kSavedPcSlotFromSp = -2; | 32 static const int kSavedPcSlotFromSp = -1; |
| 16 | 33 |
| 17 static const int kFirstObjectSlotFromFp = -1; // Used by GC to traverse stack. | 34 static const int kFirstObjectSlotFromFp = -2; // Used by GC to traverse stack. |
| 18 | 35 |
| 19 static const int kFirstLocalSlotFromFp = -2; | 36 static const int kFirstLocalSlotFromFp = -3; |
| 20 static const int kSavedCallerPpSlotFromFp = -1; | 37 static const int kSavedCallerPpSlotFromFp = -2; |
| 21 static const int kSavedCallerFpSlotFromFp = 0; | 38 static const int kSavedCallerFpSlotFromFp = 0; |
| 22 static const int kSavedCallerPcSlotFromFp = 1; | 39 static const int kSavedCallerPcSlotFromFp = 1; |
| 23 static const int kPcMarkerSlotFromFp = 2; | 40 static const int kPcMarkerSlotFromFp = -1; |
| 24 static const int kParamEndSlotFromFp = 2; // One slot past last parameter. | 41 static const int kParamEndSlotFromFp = 1; // One slot past last parameter. |
| 25 static const int kCallerSpSlotFromFp = 3; | 42 static const int kCallerSpSlotFromFp = 2; |
| 26 | 43 |
| 27 // Entry and exit frame layout. | 44 // Entry and exit frame layout. |
| 28 static const int kSavedContextSlotFromEntryFp = -27; | 45 static const int kSavedContextSlotFromEntryFp = -14; |
| 29 static const int kExitLinkSlotFromEntryFp = -26; | 46 static const int kExitLinkSlotFromEntryFp = -13; |
| 30 static const int kSavedVMTagSlotFromEntryFp = -25; | 47 static const int kSavedVMTagSlotFromEntryFp = -12; |
| 31 | 48 |
| 32 } // namespace dart | 49 } // namespace dart |
| 33 | 50 |
| 34 #endif // VM_STACK_FRAME_ARM64_H_ | 51 #endif // VM_STACK_FRAME_ARM64_H_ |
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Chromium Code Reviews
Issue 243773002:
Adds Runtime call stub and Dart entry stub to ARM64. (Closed)
Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/