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Side by Side Diff: runtime/vm/code_patcher_ia32.cc

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 4
5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_IA32. 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_IA32.
6 #if defined(TARGET_ARCH_IA32) 6 #if defined(TARGET_ARCH_IA32)
7 7
8 #include "vm/assembler.h" 8 #include "vm/assembler.h"
9 #include "vm/code_patcher.h" 9 #include "vm/code_patcher.h"
10 #include "vm/cpu.h" 10 #include "vm/cpu.h"
(...skipping 26 matching lines...) Expand all
37 static const int kPatternSize = 37 static const int kPatternSize =
38 2 * kMovInstructionSize + kCallInstructionSize; 38 2 * kMovInstructionSize + kCallInstructionSize;
39 39
40 private: 40 private:
41 bool IsValid() { 41 bool IsValid() {
42 uint8_t* code_bytes = reinterpret_cast<uint8_t*>(start_); 42 uint8_t* code_bytes = reinterpret_cast<uint8_t*>(start_);
43 return (code_bytes[0] == 0xB9) && 43 return (code_bytes[0] == 0xB9) &&
44 (code_bytes[2 * kMovInstructionSize] == 0xFF); 44 (code_bytes[2 * kMovInstructionSize] == 0xFF);
45 } 45 }
46 46
47 uword return_address() const { 47 uword return_address() const { return start_ + kPatternSize; }
48 return start_ + kPatternSize;
49 }
50 48
51 uword call_address() const { 49 uword call_address() const { return start_ + 2 * kMovInstructionSize; }
52 return start_ + 2 * kMovInstructionSize;
53 }
54 50
55 protected: 51 protected:
56 uword start_; 52 uword start_;
57 53
58 private: 54 private:
59 DISALLOW_IMPLICIT_CONSTRUCTORS(UnoptimizedCall); 55 DISALLOW_IMPLICIT_CONSTRUCTORS(UnoptimizedCall);
60 }; 56 };
61 57
62 58
63 class NativeCall : public UnoptimizedCall { 59 class NativeCall : public UnoptimizedCall {
64 public: 60 public:
65 explicit NativeCall(uword return_address) : UnoptimizedCall(return_address) { 61 explicit NativeCall(uword return_address) : UnoptimizedCall(return_address) {}
66 }
67 62
68 NativeFunction native_function() const { 63 NativeFunction native_function() const {
69 return *reinterpret_cast<NativeFunction*>(start_ + 1); 64 return *reinterpret_cast<NativeFunction*>(start_ + 1);
70 } 65 }
71 66
72 void set_native_function(NativeFunction func) const { 67 void set_native_function(NativeFunction func) const {
73 WritableInstructionsScope writable(start_ + 1, sizeof(func)); 68 WritableInstructionsScope writable(start_ + 1, sizeof(func));
74 *reinterpret_cast<NativeFunction*>(start_ + 1) = func; 69 *reinterpret_cast<NativeFunction*>(start_ + 1) = func;
75 } 70 }
76 71
(...skipping 61 matching lines...) Expand 10 before | Expand all | Expand 10 after
138 uword imm = reinterpret_cast<uword>(target.raw()); 133 uword imm = reinterpret_cast<uword>(target.raw());
139 *target_addr = imm; 134 *target_addr = imm;
140 CPU::FlushICache(start_ + 1, sizeof(imm)); 135 CPU::FlushICache(start_ + 1, sizeof(imm));
141 } 136 }
142 137
143 static const int kMovInstructionSize = 5; 138 static const int kMovInstructionSize = 5;
144 static const int kCallInstructionSize = 3; 139 static const int kCallInstructionSize = 3;
145 140
146 private: 141 private:
147 uword return_address() const { 142 uword return_address() const {
148 return start_ + kMovInstructionSize + kCallInstructionSize; 143 return start_ + kMovInstructionSize + kCallInstructionSize;
149 } 144 }
150 145
151 uword call_address() const { 146 uword call_address() const { return start_ + kMovInstructionSize; }
152 return start_ + kMovInstructionSize;
153 }
154 147
155 uword start_; 148 uword start_;
156 149
157 DISALLOW_IMPLICIT_CONSTRUCTORS(StaticCall); 150 DISALLOW_IMPLICIT_CONSTRUCTORS(StaticCall);
158 }; 151 };
159 152
160 153
161 RawCode* CodePatcher::GetStaticCallTargetAt(uword return_address, 154 RawCode* CodePatcher::GetStaticCallTargetAt(uword return_address,
162 const Code& code) { 155 const Code& code) {
163 ASSERT(code.ContainsInstructionAt(return_address)); 156 ASSERT(code.ContainsInstructionAt(return_address));
(...skipping 11 matching lines...) Expand all
175 StaticCall call(return_address); 168 StaticCall call(return_address);
176 call.set_target(new_target); 169 call.set_target(new_target);
177 } 170 }
178 171
179 172
180 void CodePatcher::InsertDeoptimizationCallAt(uword start) { 173 void CodePatcher::InsertDeoptimizationCallAt(uword start) {
181 UNREACHABLE(); 174 UNREACHABLE();
182 } 175 }
183 176
184 177
185 RawCode* CodePatcher::GetInstanceCallAt( 178 RawCode* CodePatcher::GetInstanceCallAt(uword return_address,
186 uword return_address, const Code& code, ICData* ic_data) { 179 const Code& code,
180 ICData* ic_data) {
187 ASSERT(code.ContainsInstructionAt(return_address)); 181 ASSERT(code.ContainsInstructionAt(return_address));
188 InstanceCall call(return_address); 182 InstanceCall call(return_address);
189 if (ic_data != NULL) { 183 if (ic_data != NULL) {
190 *ic_data ^= call.ic_data(); 184 *ic_data ^= call.ic_data();
191 } 185 }
192 return Code::null(); 186 return Code::null();
193 } 187 }
194 188
195 189
196 RawFunction* CodePatcher::GetUnoptimizedStaticCallAt( 190 RawFunction* CodePatcher::GetUnoptimizedStaticCallAt(uword return_address,
197 uword return_address, const Code& code, ICData* ic_data_result) { 191 const Code& code,
192 ICData* ic_data_result) {
198 ASSERT(code.ContainsInstructionAt(return_address)); 193 ASSERT(code.ContainsInstructionAt(return_address));
199 UnoptimizedStaticCall static_call(return_address); 194 UnoptimizedStaticCall static_call(return_address);
200 ICData& ic_data = ICData::Handle(); 195 ICData& ic_data = ICData::Handle();
201 ic_data ^= static_call.ic_data(); 196 ic_data ^= static_call.ic_data();
202 if (ic_data_result != NULL) { 197 if (ic_data_result != NULL) {
203 *ic_data_result = ic_data.raw(); 198 *ic_data_result = ic_data.raw();
204 } 199 }
205 return ic_data.GetTargetAt(0); 200 return ic_data.GetTargetAt(0);
206 } 201 }
207 202
(...skipping 32 matching lines...) Expand 10 before | Expand all | Expand 10 after
240 235
241 236
242 RawCode* CodePatcher::GetNativeCallAt(uword return_address, 237 RawCode* CodePatcher::GetNativeCallAt(uword return_address,
243 const Code& code, 238 const Code& code,
244 NativeFunction* target) { 239 NativeFunction* target) {
245 UNREACHABLE(); 240 UNREACHABLE();
246 return NULL; 241 return NULL;
247 } 242 }
248 243
249 244
250
251 intptr_t CodePatcher::InstanceCallSizeInBytes() { 245 intptr_t CodePatcher::InstanceCallSizeInBytes() {
252 return InstanceCall::kPatternSize; 246 return InstanceCall::kPatternSize;
253 } 247 }
254 248
255 } // namespace dart 249 } // namespace dart
256 250
257 #endif // defined TARGET_ARCH_IA32 251 #endif // defined TARGET_ARCH_IA32
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