blob: 44ba1326112207b0aab19a6618fb74437fde313e [file] [log] [blame] [edit]
// Copyright (c) 2017, 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 "lib/stacktrace.h"
#include "vm/object.h"
#include "vm/stack_frame.h"
namespace dart {
#if !defined(PRODUCT)
DART_EXPORT
void _printRawObject(RawObject* object) {
OS::PrintErr("%s\n", Object::Handle(object).ToCString());
}
DART_EXPORT
Object* _handle(RawObject* object) {
return &Object::Handle(object);
}
// An utility method for convenient printing of dart stack traces when
// inside 'gdb'. Note: This function will only work when there is a
// valid exit frame information. It will not work when a breakpoint is
// set in dart code and control is got inside 'gdb' without going through
// the runtime or native transition stub.
DART_EXPORT
void _printDartStackTrace() {
const StackTrace& stacktrace = GetCurrentStackTrace(0);
OS::PrintErr("=== Current Trace:\n%s===\n", stacktrace.ToCString());
}
// Like _printDartStackTrace, but works in a NoSafepointScope. Use it if you're
// in the middle of a GC or interested in stub frames.
DART_EXPORT
void _printStackTrace() {
StackFrameIterator frames(ValidationPolicy::kDontValidateFrames,
Thread::Current(),
StackFrameIterator::kNoCrossThreadIteration);
StackFrame* frame = frames.NextFrame();
while (frame != NULL) {
OS::PrintErr("%s\n", frame->ToCString());
frame = frames.NextFrame();
}
}
class PrintObjectPointersVisitor : public ObjectPointerVisitor {
public:
PrintObjectPointersVisitor() : ObjectPointerVisitor(Isolate::Current()) {}
void VisitPointers(RawObject** first, RawObject** last) {
for (RawObject** p = first; p <= last; p++) {
Object& obj = Object::Handle(*p);
OS::PrintErr("%p: %s\n", p, obj.ToCString());
}
}
};
DART_EXPORT
void _printStackTraceWithLocals() {
PrintObjectPointersVisitor visitor;
StackFrameIterator frames(ValidationPolicy::kDontValidateFrames,
Thread::Current(),
StackFrameIterator::kNoCrossThreadIteration);
StackFrame* frame = frames.NextFrame();
while (frame != NULL) {
OS::PrintErr("%s\n", frame->ToCString());
frame->VisitObjectPointers(&visitor);
frame = frames.NextFrame();
}
}
#endif // !PRODUCT
} // namespace dart