Files
sdk/runtime/vm/verifier.cc
T
cshapiro@google.com da14bf70a7 Add attributions so printf like functions can have their arguments checked.
This change also corrects some misuses of format strings and format
arguments that discovered by the compiler checks.

Review URL: https://chromiumcodereview.appspot.com//10869063

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@11912 260f80e4-7a28-3924-810f-c04153c831b5
2012-09-06 00:58:25 +00:00

67 lines
2.1 KiB
C++

// Copyright (c) 2012, 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/verifier.h"
#include "platform/assert.h"
#include "vm/dart.h"
#include "vm/dart_api_state.h"
#include "vm/freelist.h"
#include "vm/heap.h"
#include "vm/isolate.h"
#include "vm/object.h"
#include "vm/object_set.h"
#include "vm/raw_object.h"
#include "vm/stack_frame.h"
namespace dart {
DEFINE_FLAG(bool, verify_on_transition, false, "Verify on dart <==> VM.");
void VerifyObjectVisitor::VisitObject(RawObject* raw_obj) {
allocated_set_->Add(raw_obj);
raw_obj->Validate(isolate());
}
void VerifyPointersVisitor::VisitPointers(RawObject** first, RawObject** last) {
for (RawObject** current = first; current <= last; current++) {
RawObject* raw_obj = *current;
if (raw_obj->IsHeapObject()) {
if (!allocated_set_->Contains(raw_obj)) {
uword raw_addr = RawObject::ToAddr(raw_obj);
FATAL1("Invalid object pointer encountered %#"Px"\n", raw_addr);
}
}
}
}
void VerifyWeakPointersVisitor::VisitHandle(uword addr) {
FinalizablePersistentHandle* handle =
reinterpret_cast<FinalizablePersistentHandle*>(addr);
RawObject* raw_obj = handle->raw();
visitor_->VisitPointer(&raw_obj);
}
void VerifyPointersVisitor::VerifyPointers() {
NoGCScope no_gc;
Isolate* isolate = Isolate::Current();
ObjectSet* allocated_set = isolate->heap()->CreateAllocatedObjectSet();
VerifyPointersVisitor visitor(isolate, allocated_set);
// Visit all strongly reachable objects.
isolate->VisitObjectPointers(&visitor,
false, // skip prologue weak handles
StackFrameIterator::kValidateFrames);
VerifyWeakPointersVisitor weak_visitor(&visitor);
// Visit weak handles and prologue weak handles.
isolate->VisitWeakPersistentHandles(&weak_visitor,
true); // visit prologue weak handles
delete allocated_set;
}
} // namespace dart