X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/cdf6a962eb4e88efbed3df9c41343adabcf09e6c..2dab73b61a6ad4feb7d2d267bf5621c7b95926b3:/src/mc/sosp/Region.cpp

diff --git a/src/mc/sosp/Region.cpp b/src/mc/sosp/Region.cpp
index 8c27e7ce6c..a770cd374f 100644
--- a/src/mc/sosp/Region.cpp
+++ b/src/mc/sosp/Region.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2007-2020. 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. */
@@ -16,8 +16,6 @@
 #define MAP_POPULATE MAP_PREFAULT_READ
 #endif
 
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_RegionSnaphot, mc, "Logging specific to region snapshots");
-
 namespace simgrid {
 namespace mc {
 
@@ -26,8 +24,8 @@ Region::Region(RegionType region_type, void* start_addr, size_t size)
 {
   xbt_assert((((uintptr_t)start_addr) & (xbt_pagesize - 1)) == 0, "Start address not at the beginning of a page");
 
-  chunks_ = ChunkedData(mc_model_checker->page_store(), mc_model_checker->process(), RemotePtr<void>(start_addr),
-                        mmu::chunk_count(size));
+  chunks_ = ChunkedData(mc_model_checker->page_store(), mc_model_checker->get_remote_simulation(),
+                        RemotePtr<void>(start_addr), mmu::chunk_count(size));
 }
 
 /** @brief Restore a region from a snapshot
@@ -42,25 +40,25 @@ void Region::restore()
   for (size_t i = 0; i != get_chunks().page_count(); ++i) {
     void* target_page       = (void*)simgrid::mc::mmu::join(i, (std::uintptr_t)(void*)start().address());
     const void* source_page = get_chunks().page(i);
-    mc_model_checker->process().write_bytes(source_page, xbt_pagesize, remote(target_page));
+    mc_model_checker->get_remote_simulation().write_bytes(source_page, xbt_pagesize, remote(target_page));
   }
 }
 
-static XBT_ALWAYS_INLINE void* mc_translate_address_region(uintptr_t addr, simgrid::mc::Region* region)
+static XBT_ALWAYS_INLINE void* mc_translate_address_region(uintptr_t addr, const simgrid::mc::Region* region)
 {
   auto split                = simgrid::mc::mmu::split(addr - region->start().address());
   auto pageno               = split.first;
   auto offset               = split.second;
-  const void* snapshot_page = region->get_chunks().page(pageno);
+  void* snapshot_page       = region->get_chunks().page(pageno);
   return (char*)snapshot_page + offset;
 }
 
-void* Region::read(void* target, const void* addr, std::size_t size)
+void* Region::read(void* target, const void* addr, std::size_t size) const
 {
   xbt_assert(contain(simgrid::mc::remote(addr)), "Trying to read out of the region boundary.");
 
   // Last byte of the region:
-  void* end = (char*)addr + size - 1;
+  const void* end = (const char*)addr + size - 1;
   if (simgrid::mc::mmu::same_chunk((std::uintptr_t)addr, (std::uintptr_t)end)) {
     // The memory is contained in a single page:
     return mc_translate_address_region((uintptr_t)addr, this);
@@ -78,17 +76,17 @@ void* Region::read(void* target, const void* addr, std::size_t size)
 
   // Read each page:
   while (simgrid::mc::mmu::split((std::uintptr_t)addr).first != page_end) {
-    void* snapshot_addr = mc_translate_address_region((uintptr_t)addr, this);
+    const void* snapshot_addr = mc_translate_address_region((uintptr_t)addr, this);
     void* next_page     = (void*)simgrid::mc::mmu::join(simgrid::mc::mmu::split((std::uintptr_t)addr).first + 1, 0);
-    size_t readable     = (char*)next_page - (char*)addr;
+    size_t readable     = (char*)next_page - (const char*)addr;
     memcpy(dest, snapshot_addr, readable);
-    addr = (char*)addr + readable;
+    addr = (const char*)addr + readable;
     dest = (char*)dest + readable;
     size -= readable;
   }
 
   // Read the end:
-  void* snapshot_addr = mc_translate_address_region((uintptr_t)addr, this);
+  const void* snapshot_addr = mc_translate_address_region((uintptr_t)addr, this);
   memcpy(dest, snapshot_addr, size);
 
   return target;
@@ -105,8 +103,8 @@ void* Region::read(void* target, const void* addr, std::size_t size)
  * @param region2 Region of the address in the second snapshot
  * @return same semantic as memcmp
  */
-int MC_snapshot_region_memcmp(const void* addr1, simgrid::mc::Region* region1, const void* addr2,
-                              simgrid::mc::Region* region2, size_t size)
+int MC_snapshot_region_memcmp(const void* addr1, const simgrid::mc::Region* region1, const void* addr2,
+                              const simgrid::mc::Region* region2, size_t size)
 {
   // Using alloca() for large allocations may trigger stack overflow:
   // use malloc if the buffer is too big.