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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/disassembler.h" | 5 #include "src/disassembler.h" |
6 | 6 |
7 #include "src/code-stubs.h" | 7 #include "src/code-stubs.h" |
8 #include "src/codegen.h" | 8 #include "src/codegen.h" |
9 #include "src/debug/debug.h" | 9 #include "src/debug/debug.h" |
10 #include "src/deoptimizer.h" | 10 #include "src/deoptimizer.h" |
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140 } | 140 } |
141 } | 141 } |
142 | 142 |
143 // Comments. | 143 // Comments. |
144 for (int i = 0; i < comments.length(); i++) { | 144 for (int i = 0; i < comments.length(); i++) { |
145 out.AddFormatted(" %s", comments[i]); | 145 out.AddFormatted(" %s", comments[i]); |
146 DumpBuffer(os, &out); | 146 DumpBuffer(os, &out); |
147 } | 147 } |
148 | 148 |
149 // Instruction address and instruction offset. | 149 // Instruction address and instruction offset. |
150 out.AddFormatted("%p %4td ", prev_pc, prev_pc - begin); | 150 out.AddFormatted("%p %4d ", prev_pc, prev_pc - begin); |
151 | 151 |
152 // Instruction. | 152 // Instruction. |
153 out.AddFormatted("%s", decode_buffer.start()); | 153 out.AddFormatted("%s", decode_buffer.start()); |
154 | 154 |
155 // Print all the reloc info for this instruction which are not comments. | 155 // Print all the reloc info for this instruction which are not comments. |
156 for (int i = 0; i < pcs.length(); i++) { | 156 for (int i = 0; i < pcs.length(); i++) { |
157 // Put together the reloc info | 157 // Put together the reloc info |
158 RelocInfo relocinfo(isolate, pcs[i], rmodes[i], datas[i], | 158 RelocInfo relocinfo(isolate, pcs[i], rmodes[i], datas[i], |
159 converter.code()); | 159 converter.code()); |
160 | 160 |
161 // Indent the printing of the reloc info. | 161 // Indent the printing of the reloc info. |
162 if (i == 0) { | 162 if (i == 0) { |
163 // The first reloc info is printed after the disassembled instruction. | 163 // The first reloc info is printed after the disassembled instruction. |
164 out.AddPadding(' ', kRelocInfoPosition - out.position()); | 164 out.AddPadding(' ', kRelocInfoPosition - out.position()); |
165 } else { | 165 } else { |
166 // Additional reloc infos are printed on separate lines. | 166 // Additional reloc infos are printed on separate lines. |
167 DumpBuffer(os, &out); | 167 DumpBuffer(os, &out); |
168 out.AddPadding(' ', kRelocInfoPosition); | 168 out.AddPadding(' ', kRelocInfoPosition); |
169 } | 169 } |
170 | 170 |
171 RelocInfo::Mode rmode = relocinfo.rmode(); | 171 RelocInfo::Mode rmode = relocinfo.rmode(); |
172 if (RelocInfo::IsPosition(rmode)) { | 172 if (RelocInfo::IsPosition(rmode)) { |
173 if (RelocInfo::IsStatementPosition(rmode)) { | 173 if (RelocInfo::IsStatementPosition(rmode)) { |
174 out.AddFormatted(" ;; debug: statement %" V8PRIdPTR, | 174 out.AddFormatted(" ;; debug: statement %d", relocinfo.data()); |
175 relocinfo.data()); | |
176 } else { | 175 } else { |
177 out.AddFormatted(" ;; debug: position %" V8PRIdPTR, | 176 out.AddFormatted(" ;; debug: position %d", relocinfo.data()); |
178 relocinfo.data()); | |
179 } | 177 } |
180 } else if (rmode == RelocInfo::DEOPT_REASON) { | 178 } else if (rmode == RelocInfo::DEOPT_REASON) { |
181 Deoptimizer::DeoptReason reason = | 179 Deoptimizer::DeoptReason reason = |
182 static_cast<Deoptimizer::DeoptReason>(relocinfo.data()); | 180 static_cast<Deoptimizer::DeoptReason>(relocinfo.data()); |
183 out.AddFormatted(" ;; debug: deopt reason '%s'", | 181 out.AddFormatted(" ;; debug: deopt reason '%s'", |
184 Deoptimizer::GetDeoptReason(reason)); | 182 Deoptimizer::GetDeoptReason(reason)); |
185 } else if (rmode == RelocInfo::EMBEDDED_OBJECT) { | 183 } else if (rmode == RelocInfo::EMBEDDED_OBJECT) { |
186 HeapStringAllocator allocator; | 184 HeapStringAllocator allocator; |
187 StringStream accumulator(&allocator); | 185 StringStream accumulator(&allocator); |
188 relocinfo.target_object()->ShortPrint(&accumulator); | 186 relocinfo.target_object()->ShortPrint(&accumulator); |
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279 | 277 |
280 int Disassembler::Decode(Isolate* isolate, std::ostream* os, byte* begin, | 278 int Disassembler::Decode(Isolate* isolate, std::ostream* os, byte* begin, |
281 byte* end, Code* code) { | 279 byte* end, Code* code) { |
282 return 0; | 280 return 0; |
283 } | 281 } |
284 | 282 |
285 #endif // ENABLE_DISASSEMBLER | 283 #endif // ENABLE_DISASSEMBLER |
286 | 284 |
287 } // namespace internal | 285 } // namespace internal |
288 } // namespace v8 | 286 } // namespace v8 |
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