X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d2435e5aed6141ff0d9e97bc341ff0225c29adca..8bf8303f84623a9346997d71d828a2e843c685d3:/src/mc/sosp/Region.hpp

diff --git a/src/mc/sosp/Region.hpp b/src/mc/sosp/Region.hpp
index 3079060f1b..2ee7e5272a 100644
--- a/src/mc/sosp/Region.hpp
+++ b/src/mc/sosp/Region.hpp
@@ -61,9 +61,27 @@ public:
 
   /** @brief Restore a region from a snapshot */
   void restore();
+
+  /** @brief Read memory that was snapshoted in this region
+   *
+   *  @param target  Buffer to store contiguously the value if it spans over several pages
+   *  @param addr    Process (non-snapshot) address of the data
+   *  @param size    Size of the data to read in bytes
+   *  @return Pointer where the data is located (either target buffer or original location)
+   */
+  const void* read(void* target, const void* addr, std::size_t size);
 };
 
 } // namespace mc
 } // namespace simgrid
 
+int MC_snapshot_region_memcmp(const void* addr1, simgrid::mc::Region* region1, const void* addr2,
+                              simgrid::mc::Region* region2, std::size_t size);
+
+static XBT_ALWAYS_INLINE void* MC_region_read_pointer(simgrid::mc::Region* region, const void* addr)
+{
+  void* res;
+  return *(void**)region->read(&res, addr, sizeof(void*));
+}
+
 #endif