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Side by Side Diff: runtime/vm/instructions_x64.h

Issue 2481873005: clang-format runtime/vm (Closed)
Patch Set: Merge Created 4 years, 1 month ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, 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 // Classes that describe assembly patterns as used by inline caches. 4 // Classes that describe assembly patterns as used by inline caches.
5 5
6 #ifndef RUNTIME_VM_INSTRUCTIONS_X64_H_ 6 #ifndef RUNTIME_VM_INSTRUCTIONS_X64_H_
7 #define RUNTIME_VM_INSTRUCTIONS_X64_H_ 7 #define RUNTIME_VM_INSTRUCTIONS_X64_H_
8 8
9 #ifndef RUNTIME_VM_INSTRUCTIONS_H_ 9 #ifndef RUNTIME_VM_INSTRUCTIONS_H_
10 #error Do not include instructions_ia32.h directly; use instructions.h instead. 10 #error Do not include instructions_ia32.h directly; use instructions.h instead.
11 #endif 11 #endif
12 12
13 #include "vm/allocation.h" 13 #include "vm/allocation.h"
14 #include "vm/object.h" 14 #include "vm/object.h"
15 15
16 namespace dart { 16 namespace dart {
17 17
18 // Forward declarations. 18 // Forward declarations.
19 class RawClass; 19 class RawClass;
20 class Immediate; 20 class Immediate;
21 class RawObject; 21 class RawObject;
22 22
23 23
24 intptr_t IndexFromPPLoad(uword start); 24 intptr_t IndexFromPPLoad(uword start);
25 intptr_t IndexFromPPLoadDisp8(uword start); 25 intptr_t IndexFromPPLoadDisp8(uword start);
26 26
27 27
28 // Template class for all instruction pattern classes. 28 // Template class for all instruction pattern classes.
29 // P has to specify a static pattern and a pattern length method. 29 // P has to specify a static pattern and a pattern length method.
30 template<class P> class InstructionPattern : public ValueObject { 30 template <class P>
31 class InstructionPattern : public ValueObject {
31 public: 32 public:
32 explicit InstructionPattern(uword pc) : start_(pc) { 33 explicit InstructionPattern(uword pc) : start_(pc) { ASSERT(pc != 0); }
33 ASSERT(pc != 0);
34 }
35 34
36 // Call to check if the instruction pattern at 'pc' match the instruction. 35 // Call to check if the instruction pattern at 'pc' match the instruction.
37 // 'P::pattern()' returns the expected byte pattern in form of an integer 36 // 'P::pattern()' returns the expected byte pattern in form of an integer
38 // array with length of 'P::pattern_length_in_bytes()'. A '-1' element means 37 // array with length of 'P::pattern_length_in_bytes()'. A '-1' element means
39 // 'any byte'. 38 // 'any byte'.
40 bool IsValid() const { 39 bool IsValid() const {
41 return TestBytesWith(P::pattern(), P::pattern_length_in_bytes()); 40 return TestBytesWith(P::pattern(), P::pattern_length_in_bytes());
42 } 41 }
43 42
44 protected: 43 protected:
(...skipping 19 matching lines...) Expand all
64 63
65 DISALLOW_COPY_AND_ASSIGN(InstructionPattern); 64 DISALLOW_COPY_AND_ASSIGN(InstructionPattern);
66 }; 65 };
67 66
68 67
69 class ReturnPattern : public InstructionPattern<ReturnPattern> { 68 class ReturnPattern : public InstructionPattern<ReturnPattern> {
70 public: 69 public:
71 explicit ReturnPattern(uword pc) : InstructionPattern(pc) {} 70 explicit ReturnPattern(uword pc) : InstructionPattern(pc) {}
72 71
73 static const int* pattern() { 72 static const int* pattern() {
74 static const int kReturnPattern[kLengthInBytes] = { 0xC3 }; 73 static const int kReturnPattern[kLengthInBytes] = {0xC3};
75 return kReturnPattern; 74 return kReturnPattern;
76 } 75 }
77 76
78 static int pattern_length_in_bytes() { return kLengthInBytes; } 77 static int pattern_length_in_bytes() { return kLengthInBytes; }
79 78
80 private: 79 private:
81 static const int kLengthInBytes = 1; 80 static const int kLengthInBytes = 1;
82 }; 81 };
83 82
84 83
85 // push rbp 84 // push rbp
86 // mov rbp, rsp 85 // mov rbp, rsp
87 class ProloguePattern : public InstructionPattern<ProloguePattern> { 86 class ProloguePattern : public InstructionPattern<ProloguePattern> {
88 public: 87 public:
89 explicit ProloguePattern(uword pc) : InstructionPattern(pc) {} 88 explicit ProloguePattern(uword pc) : InstructionPattern(pc) {}
90 89
91 static const int* pattern() { 90 static const int* pattern() {
92 static const int kProloguePattern[kLengthInBytes] = 91 static const int kProloguePattern[kLengthInBytes] = {0x55, 0x48, 0x89,
93 { 0x55, 0x48, 0x89, 0xe5 }; 92 0xe5};
94 return kProloguePattern; 93 return kProloguePattern;
95 } 94 }
96 95
97 static int pattern_length_in_bytes() { return kLengthInBytes; } 96 static int pattern_length_in_bytes() { return kLengthInBytes; }
98 97
99 private: 98 private:
100 static const int kLengthInBytes = 4; 99 static const int kLengthInBytes = 4;
101 }; 100 };
102 101
103 102
104 // mov rbp, rsp 103 // mov rbp, rsp
105 class SetFramePointerPattern : 104 class SetFramePointerPattern
106 public InstructionPattern<SetFramePointerPattern> { 105 : public InstructionPattern<SetFramePointerPattern> {
107 public: 106 public:
108 explicit SetFramePointerPattern(uword pc) : InstructionPattern(pc) {} 107 explicit SetFramePointerPattern(uword pc) : InstructionPattern(pc) {}
109 108
110 static const int* pattern() { 109 static const int* pattern() {
111 static const int kFramePointerPattern[kLengthInBytes] = 110 static const int kFramePointerPattern[kLengthInBytes] = {0x48, 0x89, 0xe5};
112 { 0x48, 0x89, 0xe5 };
113 return kFramePointerPattern; 111 return kFramePointerPattern;
114 } 112 }
115 113
116 static int pattern_length_in_bytes() { return kLengthInBytes; } 114 static int pattern_length_in_bytes() { return kLengthInBytes; }
117 115
118 private: 116 private:
119 static const int kLengthInBytes = 3; 117 static const int kLengthInBytes = 3;
120 }; 118 };
121 119
122 } // namespace dart 120 } // namespace dart
123 121
124 #endif // RUNTIME_VM_INSTRUCTIONS_X64_H_ 122 #endif // RUNTIME_VM_INSTRUCTIONS_X64_H_
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