libcruft-util/debug/memory.hpp

41 lines
1.2 KiB
C++

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Copyright 2019 Danny Robson <danny@nerdcruft.net>
*/
#pragma once
#include "../view.hpp"
namespace cruft::debug::memory {
/// Returns the required alignment for instrumented memory accesses.
std::align_val_t instrumentation_alignment (void);
/// Label the contents of this memory region as undefined.
void mark_undefined (void const volatile*, std::size_t);
//-------------------------------------------------------------------------
template <typename ValueT>
void mark_undefined (cruft::view<ValueT const *> mem)
{
return mark_undefined (mem.data (), mem.size () * sizeof (ValueT));
}
/// Label the contents of this memory region as defined
void mark_defined (void const volatile*, std::size_t);
//-------------------------------------------------------------------------
template <typename ValueT>
void mark_defined (cruft::view<ValueT const *> mem)
{
return mark_defined (mem.data (), mem.size () * sizeof (ValueT));
}
}