| // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #include "vm/bootstrap_natives.h" |
| #include "vm/exceptions.h" |
| #include "vm/object_store.h" |
| #include "vm/runtime_entry.h" |
| #include "vm/stack_frame.h" |
| |
| namespace dart { |
| |
| // Get a full stack trace. |
| // Arg0: stack trace object. |
| // Return value: String that represents the full stack trace. |
| DEFINE_NATIVE_ENTRY(Stacktrace_getFullStacktrace, 1) { |
| const Stacktrace& trace = |
| Stacktrace::CheckedHandle(arguments->NativeArgAt(0)); |
| return trace.FullStacktrace(); |
| } |
| |
| |
| // Get a concise and pertinent stack trace. |
| // Arg0: stack trace object. |
| // Return value: String that represents the concise and pertinent stack trace. |
| DEFINE_NATIVE_ENTRY(Stacktrace_getStacktrace, 1) { |
| const Stacktrace& trace = |
| Stacktrace::CheckedHandle(arguments->NativeArgAt(0)); |
| return String::New(trace.ToCStringInternal(0)); |
| } |
| |
| |
| // Setup a full stack trace. |
| // Arg0: stack trace object. |
| // Return value: None. |
| DEFINE_NATIVE_ENTRY(Stacktrace_setupFullStacktrace, 1) { |
| const Stacktrace& trace = |
| Stacktrace::CheckedHandle(arguments->NativeArgAt(0)); |
| const GrowableObjectArray& func_list = |
| GrowableObjectArray::Handle(GrowableObjectArray::New()); |
| const GrowableObjectArray& code_list = |
| GrowableObjectArray::Handle(GrowableObjectArray::New()); |
| const GrowableObjectArray& pc_offset_list = |
| GrowableObjectArray::Handle(GrowableObjectArray::New()); |
| StackFrameIterator frames(StackFrameIterator::kDontValidateFrames); |
| StackFrame* frame = frames.NextFrame(); |
| ASSERT(frame != NULL); // We expect to find a dart invocation frame. |
| Function& func = Function::Handle(); |
| Code& code = Code::Handle(); |
| Smi& offset = Smi::Handle(); |
| bool catch_frame_skipped = false; // Tracks if catch frame has been skipped. |
| while (frame != NULL) { |
| if (frame->IsDartFrame()) { |
| code = frame->LookupDartCode(); |
| if (code.is_optimized()) { |
| // For optimized frames, extract all the inlined functions if any |
| // into the stack trace. |
| for (InlinedFunctionsIterator it(frame); !it.Done(); it.Advance()) { |
| func = it.function(); |
| code = it.code(); |
| uword pc = it.pc(); |
| ASSERT(pc != 0); |
| ASSERT(code.EntryPoint() <= pc); |
| ASSERT(pc < (code.EntryPoint() + code.Size())); |
| if (func.is_visible()) { |
| if (!catch_frame_skipped) { |
| catch_frame_skipped = true; |
| } else { |
| offset = Smi::New(pc - code.EntryPoint()); |
| func_list.Add(func); |
| code_list.Add(code); |
| pc_offset_list.Add(offset); |
| } |
| } |
| } |
| } else { |
| offset = Smi::New(frame->pc() - code.EntryPoint()); |
| func = code.function(); |
| if (func.is_visible()) { |
| if (!catch_frame_skipped) { |
| catch_frame_skipped = true; |
| } else { |
| func_list.Add(func); |
| code_list.Add(code); |
| pc_offset_list.Add(offset); |
| } |
| } |
| } |
| } |
| frame = frames.NextFrame(); |
| } |
| const Array& func_array = Array::Handle(Array::MakeArray(func_list)); |
| const Array& code_array = Array::Handle(Array::MakeArray(code_list)); |
| const Array& pc_offset_array = |
| Array::Handle(Array::MakeArray(pc_offset_list)); |
| trace.SetCatchStacktrace(func_array, code_array, pc_offset_array); |
| return Object::null(); |
| } |
| |
| } // namespace dart |