#include <xbt/misc.h>
#include "src/mc/mc_forward.hpp"
+#include "src/mc/remote_ptr.hpp"
namespace simgrid {
namespace mc {
-/** Pointer to a remote address-space (process, snapshot)
- *
- * With this we can clearly identify the expected type of an address in the
- * remote process while avoiding to use native local pointers.
- *
- * Some operators (+/-) assume use the size of the underlying element. This
- * only works if the target applications is using the same target: it won't
- * work for example, when inspecting a 32 bit application from a 64 bit
- * model-checker.
- */
-template<class T> class remote_ptr {
- std::uint64_t address_;
-public:
- remote_ptr() : address_(0) {}
- remote_ptr(std::uint64_t address) : address_(address) {}
- remote_ptr(T* address) : address_((std::uintptr_t)address) {}
- std::uint64_t address() const { return address_; }
-
- operator bool() const
- {
- return address_;
- }
- bool operator!() const
- {
- return !address_;
- }
- operator remote_ptr<void>() const
- {
- return remote_ptr<void>(address_);
- }
- remote_ptr<T> operator+(std::uint64_t n) const
- {
- return remote_ptr<T>(address_ + n * sizeof(T));
- }
- remote_ptr<T> operator-(std::uint64_t n) const
- {
- return remote_ptr<T>(address_ - n * sizeof(T));
- }
- remote_ptr<T>& operator+=(std::uint64_t n)
- {
- address_ += n * sizeof(T);
- return *this;
- }
- remote_ptr<T>& operator-=(std::uint64_t n)
- {
- address_ -= n * sizeof(T);
- return *this;
- }
-};
-
-template<class X, class Y>
-bool operator<(remote_ptr<X> const& x, remote_ptr<Y> const& y)
-{
- return x.address() < y.address();
-}
-
-template<class X, class Y>
-bool operator>(remote_ptr<X> const& x, remote_ptr<Y> const& y)
-{
- return x.address() > y.address();
-}
-
-template<class X, class Y>
-bool operator>=(remote_ptr<X> const& x, remote_ptr<Y> const& y)
-{
- return x.address() >= y.address();
-}
-
-template<class X, class Y>
-bool operator<=(remote_ptr<X> const& x, remote_ptr<Y> const& y)
-{
- return x.address() <= y.address();
-}
-
-template<class X, class Y>
-bool operator==(remote_ptr<X> const& x, remote_ptr<Y> const& y)
-{
- return x.address() == y.address();
-}
-
-template<class X, class Y>
-bool operator!=(remote_ptr<X> const& x, remote_ptr<Y> const& y)
-{
- return x.address() != y.address();
-}
-
-template<class T> inline
-remote_ptr<T> remote(T *p)
-{
- return remote_ptr<T>(p);
-}
-
-template<class T=void> inline
-remote_ptr<T> remote(uint64_t p)
-{
- return remote_ptr<T>(p);
-}
-
/** Process index used when no process is available
*
* The expected behaviour is that if a process index is needed it will fail.
--- /dev/null
+/* Copyright (c) 2008-2015. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#ifndef SIMGRID_MC_REMOTE_PTR_HPP
+#define SIMGRID_MC_REMOTE_PTR_HPP
+
+#include <cstdint>
+
+namespace simgrid {
+namespace mc {
+
+/** Pointer to a remote address-space (process, snapshot)
+ *
+ * With this we can clearly identify the expected type of an address in the
+ * remote process while avoiding to use native local pointers.
+ *
+ * Some operators (+/-) assume use the size of the underlying element. This
+ * only works if the target applications is using the same target: it won't
+ * work for example, when inspecting a 32 bit application from a 64 bit
+ * model-checker.
+ *
+ * We do not actually store the target address space because we can
+ * always detect it in context. This way `remote_ptr` is as efficient
+ * as a `uint64_t`.
+ */
+template<class T> class remote_ptr {
+ std::uint64_t address_;
+public:
+ remote_ptr() : address_(0) {}
+ remote_ptr(std::uint64_t address) : address_(address) {}
+ remote_ptr(T* address) : address_((std::uintptr_t)address) {}
+ std::uint64_t address() const { return address_; }
+
+ operator bool() const
+ {
+ return address_;
+ }
+ bool operator!() const
+ {
+ return !address_;
+ }
+ operator remote_ptr<void>() const
+ {
+ return remote_ptr<void>(address_);
+ }
+ remote_ptr<T> operator+(std::uint64_t n) const
+ {
+ return remote_ptr<T>(address_ + n * sizeof(T));
+ }
+ remote_ptr<T> operator-(std::uint64_t n) const
+ {
+ return remote_ptr<T>(address_ - n * sizeof(T));
+ }
+ remote_ptr<T>& operator+=(std::uint64_t n)
+ {
+ address_ += n * sizeof(T);
+ return *this;
+ }
+ remote_ptr<T>& operator-=(std::uint64_t n)
+ {
+ address_ -= n * sizeof(T);
+ return *this;
+ }
+};
+
+template<class X, class Y>
+bool operator<(remote_ptr<X> const& x, remote_ptr<Y> const& y)
+{
+ return x.address() < y.address();
+}
+
+template<class X, class Y>
+bool operator>(remote_ptr<X> const& x, remote_ptr<Y> const& y)
+{
+ return x.address() > y.address();
+}
+
+template<class X, class Y>
+bool operator>=(remote_ptr<X> const& x, remote_ptr<Y> const& y)
+{
+ return x.address() >= y.address();
+}
+
+template<class X, class Y>
+bool operator<=(remote_ptr<X> const& x, remote_ptr<Y> const& y)
+{
+ return x.address() <= y.address();
+}
+
+template<class X, class Y>
+bool operator==(remote_ptr<X> const& x, remote_ptr<Y> const& y)
+{
+ return x.address() == y.address();
+}
+
+template<class X, class Y>
+bool operator!=(remote_ptr<X> const& x, remote_ptr<Y> const& y)
+{
+ return x.address() != y.address();
+}
+
+template<class T> inline
+remote_ptr<T> remote(T *p)
+{
+ return remote_ptr<T>(p);
+}
+
+template<class T=void> inline
+remote_ptr<T> remote(uint64_t p)
+{
+ return remote_ptr<T>(p);
+}
+
+}
+}
+
+#endif
