Régis Crelier
14f3982a1f
Over the years, this debug-only code evolved to check that the current stack pointer is below the last exit frame, which is obviously always the case. Change-Id: I9b5e1a5462df5b3392b4541e40a9c57d33d25055 Reviewed-on: https://dart-review.googlesource.com/70960 Reviewed-by: Alexander Markov <alexmarkov@google.com> Reviewed-by: Ryan Macnak <rmacnak@google.com> Commit-Queue: Régis Crelier <regis@google.com>
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
// Copyright (c) 2011, 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/longjump.h"
|
|
|
|
#include "include/dart_api.h"
|
|
|
|
#include "vm/dart_api_impl.h"
|
|
#include "vm/isolate.h"
|
|
#include "vm/object.h"
|
|
#include "vm/object_store.h"
|
|
#include "vm/os.h"
|
|
|
|
namespace dart {
|
|
|
|
jmp_buf* LongJumpScope::Set() {
|
|
ASSERT(top_ == NULL);
|
|
top_ = Thread::Current()->top_resource();
|
|
return &environment_;
|
|
}
|
|
|
|
void LongJumpScope::Jump(int value, const Error& error) {
|
|
// A zero is the default return value from setting up a LongJumpScope
|
|
// using Set.
|
|
ASSERT(value != 0);
|
|
|
|
Thread* thread = Thread::Current();
|
|
|
|
#if defined(DEBUG)
|
|
#define CHECK_REUSABLE_HANDLE(name) \
|
|
ASSERT(!thread->reusable_##name##_handle_scope_active());
|
|
REUSABLE_HANDLE_LIST(CHECK_REUSABLE_HANDLE)
|
|
#undef CHECK_REUSABLE_HANDLE
|
|
#endif // defined(DEBUG)
|
|
|
|
// Remember the error in the sticky error of this isolate.
|
|
thread->set_sticky_error(error);
|
|
|
|
// Destruct all the active StackResource objects.
|
|
StackResource::UnwindAbove(thread, top_);
|
|
longjmp(environment_, value);
|
|
UNREACHABLE();
|
|
}
|
|
|
|
} // namespace dart
|