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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 #include "vm/globals.h" | 5 #include "vm/globals.h" |
| 6 #if defined(TARGET_ARCH_ARM) | 6 #if defined(TARGET_ARCH_ARM) |
| 7 | 7 |
| 8 #include "vm/assembler_macros.h" | 8 #include "vm/assembler_macros.h" |
| 9 | 9 |
| 10 #include "vm/assembler.h" | 10 #include "vm/assembler.h" |
| (...skipping 22 matching lines...) Expand all Loading... |
| 33 if (offset != 0) { | 33 if (offset != 0) { |
| 34 // Adjust saved PC for any intrinsic code that could have been generated | 34 // Adjust saved PC for any intrinsic code that could have been generated |
| 35 // before a frame is created. Use PP as temp register. | 35 // before a frame is created. Use PP as temp register. |
| 36 __ ldr(PP, Address(FP, 2 * kWordSize)); | 36 __ ldr(PP, Address(FP, 2 * kWordSize)); |
| 37 __ AddImmediate(PP, PP, -offset); | 37 __ AddImmediate(PP, PP, -offset); |
| 38 __ str(PP, Address(FP, 2 * kWordSize)); | 38 __ str(PP, Address(FP, 2 * kWordSize)); |
| 39 } | 39 } |
| 40 | 40 |
| 41 // Setup pool pointer for this dart function. | 41 // Setup pool pointer for this dart function. |
| 42 const intptr_t object_pool_pc_dist = | 42 const intptr_t object_pool_pc_dist = |
| 43 Instr::kPCReadOffset - assembler->CodeSize() - | 43 Instructions::HeaderSize() - Instructions::object_pool_offset() + |
| 44 Instructions::HeaderSize() + Instructions::object_pool_offset(); | 44 assembler->CodeSize() + Instr::kPCReadOffset; |
| 45 __ ldr(PP, Address(PC, object_pool_pc_dist)); | 45 __ ldr(PP, Address(PC, -object_pool_pc_dist)); |
| 46 | 46 |
| 47 // Reserve space for locals. | 47 // Reserve space for locals. |
| 48 __ AddImmediate(SP, -frame_size); | 48 __ AddImmediate(SP, -frame_size); |
| 49 } | 49 } |
| 50 | 50 |
| 51 | 51 |
| 52 void AssemblerMacros::LeaveDartFrame(Assembler* assembler) { | 52 void AssemblerMacros::LeaveDartFrame(Assembler* assembler) { |
| 53 __ LeaveFrame((1 << PP) | (1 << FP) | (1 << LR)); | 53 __ LeaveFrame((1 << PP) | (1 << FP) | (1 << LR)); |
| 54 // Adjust SP for PC pushed in EnterDartFrame. | 54 // Adjust SP for PC pushed in EnterDartFrame. |
| 55 __ AddImmediate(SP, kWordSize); | 55 __ AddImmediate(SP, kWordSize); |
| (...skipping 11 matching lines...) Expand all Loading... |
| 67 void AssemblerMacros::LeaveStubFrame(Assembler* assembler) { | 67 void AssemblerMacros::LeaveStubFrame(Assembler* assembler) { |
| 68 __ LeaveFrame((1 << FP) | (1 << LR)); | 68 __ LeaveFrame((1 << FP) | (1 << LR)); |
| 69 // Adjust SP for null PC pushed in EnterStubFrame. | 69 // Adjust SP for null PC pushed in EnterStubFrame. |
| 70 __ AddImmediate(SP, kWordSize); | 70 __ AddImmediate(SP, kWordSize); |
| 71 } | 71 } |
| 72 | 72 |
| 73 } // namespace dart | 73 } // namespace dart |
| 74 | 74 |
| 75 #endif // defined TARGET_ARCH_ARM | 75 #endif // defined TARGET_ARCH_ARM |
| 76 | 76 |
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