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Side by Side Diff: runtime/vm/stack_frame_arm.h

Issue 1417433002: Don't touch x18 on ARM64 - it is globally reserved on iOS. (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: Created 5 years, 2 months ago
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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
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37 static const int kFirstLocalSlotFromFp = -3; 37 static const int kFirstLocalSlotFromFp = -3;
38 static const int kSavedCallerPpSlotFromFp = -2; 38 static const int kSavedCallerPpSlotFromFp = -2;
39 static const int kPcMarkerSlotFromFp = -1; 39 static const int kPcMarkerSlotFromFp = -1;
40 static const int kSavedCallerFpSlotFromFp = 0; 40 static const int kSavedCallerFpSlotFromFp = 0;
41 static const int kSavedCallerPcSlotFromFp = 1; 41 static const int kSavedCallerPcSlotFromFp = 1;
42 static const int kParamEndSlotFromFp = 1; // One slot past last parameter. 42 static const int kParamEndSlotFromFp = 1; // One slot past last parameter.
43 static const int kCallerSpSlotFromFp = 2; 43 static const int kCallerSpSlotFromFp = 2;
44 44
45 // Entry and exit frame layout. 45 // Entry and exit frame layout.
46 static const int kExitLinkSlotFromEntryFp = -27; 46 static const int kExitLinkSlotFromEntryFp = -27;
47 COMPILE_ASSERT(kAbiPreservedCpuRegCount == 7);
48 COMPILE_ASSERT(kAbiPreservedFpuRegCount == 4);
47 49
48 } // namespace dart 50 } // namespace dart
49 51
50 #endif // VM_STACK_FRAME_ARM_H_ 52 #endif // VM_STACK_FRAME_ARM_H_
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