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1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2016, 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_DBC_H_ | 5 #ifndef RUNTIME_VM_STACK_FRAME_DBC_H_ |
6 #define VM_STACK_FRAME_DBC_H_ | 6 #define RUNTIME_VM_STACK_FRAME_DBC_H_ |
7 | 7 |
8 namespace dart { | 8 namespace dart { |
9 | 9 |
10 /* DBC Frame Layout | 10 /* DBC Frame Layout |
11 | 11 |
12 IMPORTANT: On DBC stack is growing upwards which is different from all other | 12 IMPORTANT: On DBC stack is growing upwards which is different from all other |
13 architectures. This enables efficient addressing for locals via unsigned index. | 13 architectures. This enables efficient addressing for locals via unsigned index. |
14 | 14 |
15 | | <- TOS | 15 | | <- TOS |
16 Callee frame | ... | | 16 Callee frame | ... | |
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77 | 77 |
78 static const int kExitLinkSlotFromEntryFp = 0; | 78 static const int kExitLinkSlotFromEntryFp = 0; |
79 | 79 |
80 // Value for stack limit that is used to cause an interrupt. | 80 // Value for stack limit that is used to cause an interrupt. |
81 // Note that on DBC stack is growing upwards so interrupt limit is 0 unlike | 81 // Note that on DBC stack is growing upwards so interrupt limit is 0 unlike |
82 // on all other architectures. | 82 // on all other architectures. |
83 static const uword kInterruptStackLimit = 0; | 83 static const uword kInterruptStackLimit = 0; |
84 | 84 |
85 } // namespace dart | 85 } // namespace dart |
86 | 86 |
87 #endif // VM_STACK_FRAME_DBC_H_ | 87 #endif // RUNTIME_VM_STACK_FRAME_DBC_H_ |
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