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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" // Needed here to get TARGET_ARCH_MIPS. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_MIPS. |
6 #if defined(TARGET_ARCH_MIPS) | 6 #if defined(TARGET_ARCH_MIPS) |
7 | 7 |
8 #include "vm/code_patcher.h" | 8 #include "vm/code_patcher.h" |
9 | 9 |
10 #include "vm/instructions.h" | 10 #include "vm/instructions.h" |
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40 void CodePatcher::PatchInstanceCallAt(uword return_address, | 40 void CodePatcher::PatchInstanceCallAt(uword return_address, |
41 const Code& code, | 41 const Code& code, |
42 uword new_target) { | 42 uword new_target) { |
43 ASSERT(code.ContainsInstructionAt(return_address)); | 43 ASSERT(code.ContainsInstructionAt(return_address)); |
44 CallPattern call(return_address, code); | 44 CallPattern call(return_address, code); |
45 call.SetTargetAddress(new_target); | 45 call.SetTargetAddress(new_target); |
46 } | 46 } |
47 | 47 |
48 | 48 |
49 void CodePatcher::InsertCallAt(uword start, uword target) { | 49 void CodePatcher::InsertCallAt(uword start, uword target) { |
50 UNIMPLEMENTED(); | 50 // The inserted call should not overlap the lazy deopt jump code. |
| 51 ASSERT(start + CallPattern::kFixedLengthInBytes <= target); |
| 52 CallPattern::InsertAt(start, target); |
51 } | 53 } |
52 | 54 |
53 | 55 |
54 uword CodePatcher::GetInstanceCallAt(uword return_address, | 56 uword CodePatcher::GetInstanceCallAt(uword return_address, |
55 const Code& code, | 57 const Code& code, |
56 ICData* ic_data, | 58 ICData* ic_data, |
57 Array* arguments_descriptor) { | 59 Array* arguments_descriptor) { |
58 ASSERT(code.ContainsInstructionAt(return_address)); | 60 ASSERT(code.ContainsInstructionAt(return_address)); |
59 CallPattern call(return_address, code); | 61 CallPattern call(return_address, code); |
60 if (ic_data != NULL) { | 62 if (ic_data != NULL) { |
61 *ic_data = call.IcData(); | 63 *ic_data = call.IcData(); |
62 } | 64 } |
63 if (arguments_descriptor != NULL) { | 65 if (arguments_descriptor != NULL) { |
64 *arguments_descriptor = call.ArgumentsDescriptor(); | 66 *arguments_descriptor = call.ArgumentsDescriptor(); |
65 } | 67 } |
66 return call.TargetAddress(); | 68 return call.TargetAddress(); |
67 } | 69 } |
68 | 70 |
69 | 71 |
70 intptr_t CodePatcher::InstanceCallSizeInBytes() { | 72 intptr_t CodePatcher::InstanceCallSizeInBytes() { |
71 // The instance call instruction sequence has a variable size on MIPS. | 73 // The instance call instruction sequence has a variable size on MIPS. |
72 UNREACHABLE(); | 74 UNREACHABLE(); |
73 return 0; | 75 return 0; |
74 } | 76 } |
75 | 77 |
76 } // namespace dart | 78 } // namespace dart |
77 | 79 |
78 #endif // defined TARGET_ARCH_MIPS | 80 #endif // defined TARGET_ARCH_MIPS |
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