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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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/frames.h" | 5 #include "src/frames.h" |
6 | 6 |
7 #include <memory> | 7 #include <memory> |
8 #include <sstream> | 8 #include <sstream> |
9 | 9 |
10 #include "src/base/bits.h" | 10 #include "src/base/bits.h" |
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1470 DCHECK(deopt_data->length() == 2); | 1470 DCHECK(deopt_data->length() == 2); |
1471 return Smi::cast(deopt_data->get(1))->value(); | 1471 return Smi::cast(deopt_data->get(1))->value(); |
1472 } | 1472 } |
1473 | 1473 |
1474 Script* WasmFrame::script() const { | 1474 Script* WasmFrame::script() const { |
1475 Handle<JSObject> wasm(JSObject::cast(wasm_obj()), isolate()); | 1475 Handle<JSObject> wasm(JSObject::cast(wasm_obj()), isolate()); |
1476 Handle<wasm::WasmDebugInfo> debug_info = wasm::GetDebugInfo(wasm); | 1476 Handle<wasm::WasmDebugInfo> debug_info = wasm::GetDebugInfo(wasm); |
1477 return wasm::WasmDebugInfo::GetFunctionScript(debug_info, function_index()); | 1477 return wasm::WasmDebugInfo::GetFunctionScript(debug_info, function_index()); |
1478 } | 1478 } |
1479 | 1479 |
1480 int WasmFrame::LookupExceptionHandlerInTable(int* stack_slots) { | |
1481 DCHECK_NOT_NULL(stack_slots); | |
1482 Code* code = LookupCode(); | |
1483 HandlerTable* table = HandlerTable::cast(code->handler_table()); | |
1484 int pc_offset = static_cast<int>(pc() - code->entry()); | |
1485 *stack_slots = code->stack_slots(); | |
1486 return table->LookupReturn(pc_offset); | |
1487 } | |
1488 | |
1489 namespace { | 1480 namespace { |
1490 | 1481 |
1491 | 1482 |
1492 void PrintFunctionSource(StringStream* accumulator, SharedFunctionInfo* shared, | 1483 void PrintFunctionSource(StringStream* accumulator, SharedFunctionInfo* shared, |
1493 Code* code) { | 1484 Code* code) { |
1494 if (FLAG_max_stack_trace_source_length != 0 && code != NULL) { | 1485 if (FLAG_max_stack_trace_source_length != 0 && code != NULL) { |
1495 std::ostringstream os; | 1486 std::ostringstream os; |
1496 os << "--------- s o u r c e c o d e ---------\n" | 1487 os << "--------- s o u r c e c o d e ---------\n" |
1497 << SourceCodeOf(shared, FLAG_max_stack_trace_source_length) | 1488 << SourceCodeOf(shared, FLAG_max_stack_trace_source_length) |
1498 << "\n-----------------------------------------\n"; | 1489 << "\n-----------------------------------------\n"; |
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1917 for (StackFrameIterator it(isolate); !it.done(); it.Advance()) { | 1908 for (StackFrameIterator it(isolate); !it.done(); it.Advance()) { |
1918 StackFrame* frame = AllocateFrameCopy(it.frame(), zone); | 1909 StackFrame* frame = AllocateFrameCopy(it.frame(), zone); |
1919 list.Add(frame, zone); | 1910 list.Add(frame, zone); |
1920 } | 1911 } |
1921 return list.ToVector(); | 1912 return list.ToVector(); |
1922 } | 1913 } |
1923 | 1914 |
1924 | 1915 |
1925 } // namespace internal | 1916 } // namespace internal |
1926 } // namespace v8 | 1917 } // namespace v8 |
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