X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a816142ba29faddef700304e151716780d431d20..31f8d2188a6cfd24c58c7503728bc1317be2f073:/src/mc/mc_snapshot.h

diff --git a/src/mc/mc_snapshot.h b/src/mc/mc_snapshot.h
index 239d26d6aa..ff3551f95d 100644
--- a/src/mc/mc_snapshot.h
+++ b/src/mc/mc_snapshot.h
@@ -7,26 +7,27 @@
 #ifndef SIMGRID_MC_SNAPSHOT_H
 #define SIMGRID_MC_SNAPSHOT_H
 
-#include <sys/types.h> // off_t
-#include <stdint.h> // size_t
+#include <cstdint>
+#include <cstddef>
 
 #include <vector>
 #include <set>
+#include <string>
 #include <memory>
 
+#include <sys/types.h> // off_t
+
 #include <simgrid_config.h>
-#include "../xbt/mmalloc/mmprivate.h"
+#include "src/xbt/mmalloc/mmprivate.h"
 #include <xbt/asserts.h>
-#include <xbt/dynar.h>
 #include <xbt/base.h>
 
-#include "mc_forward.hpp"
-#include "ModelChecker.hpp"
-#include "PageStore.hpp"
-#include "mc_mmalloc.h"
-#include "mc/AddressSpace.hpp"
-#include "mc_unw.h"
-#include "RegionSnapshot.hpp"
+#include "src/mc/mc_forward.hpp"
+#include "src/mc/ModelChecker.hpp"
+#include "src/mc/PageStore.hpp"
+#include "src/mc/AddressSpace.hpp"
+#include "src/mc/mc_unw.h"
+#include "src/mc/RegionSnapshot.hpp"
 
 SG_BEGIN_DECL()
 
@@ -37,10 +38,11 @@ XBT_PRIVATE void mc_region_restore_sparse(simgrid::mc::Process* process, mc_mem_
 static inline __attribute__((always_inline))
 void* mc_translate_address_region_chunked(uintptr_t addr, mc_mem_region_t region)
 {
-  size_t pageno = mc_page_number((void*)region->start().address(), (void*) addr);
-  const void* snapshot_page =
-    region->page_data().page(pageno);
-  return (char*) snapshot_page + mc_page_offset((void*) addr);
+  auto split = simgrid::mc::mmu::split(addr - region->start().address());
+  auto pageno = split.first;
+  auto offset = split.second;
+  const void* snapshot_page = region->page_data().page(pageno);
+  return (char*) snapshot_page + offset;
 }
 
 static inline __attribute__((always_inline))
@@ -54,7 +56,7 @@ void* mc_translate_address_region(uintptr_t addr, mc_mem_region_t region, int pr
   case simgrid::mc::StorageType::Flat:
     {
       uintptr_t offset = (uintptr_t) addr - (uintptr_t) region->start().address();
-      return (void *) ((uintptr_t) region->flat_data() + offset);
+      return (void *) ((uintptr_t) region->flat_data().get() + offset);
     }
 
   case simgrid::mc::StorageType::Chunked:
@@ -145,8 +147,8 @@ public:
   Snapshot(Process* process);
   ~Snapshot();
   const void* read_bytes(void* buffer, std::size_t size,
-    remote_ptr<void> address, int process_index = ProcessIndexAny,
-    ReadMode mode = Normal) const override;
+    RemotePtr<void> address, int process_index = ProcessIndexAny,
+    ReadOptions options = ReadOptions::none()) const override;
 public: // To be private
   int num_state;
   std::size_t heap_bytes_used;
@@ -155,7 +157,7 @@ public: // To be private
   int privatization_index;
   std::vector<std::size_t> stack_sizes;
   std::vector<s_mc_snapshot_stack_t> stacks;
-  std::vector<s_mc_heap_ignore_region_t> to_ignore;
+  std::vector<simgrid::mc::IgnoredHeapRegion> to_ignore;
   std::uint64_t hash;
   std::vector<s_mc_snapshot_ignored_data> ignored_data;
   std::vector<s_fd_infos_t> current_fds;
@@ -177,8 +179,22 @@ mc_mem_region_t mc_get_region_hinted(void* addr, mc_snapshot_t snapshot, int pro
 
 static const void* mc_snapshot_get_heap_end(mc_snapshot_t snapshot);
 
-XBT_PRIVATE mc_snapshot_t MC_take_snapshot(int num_state);
-XBT_PRIVATE void MC_restore_snapshot(mc_snapshot_t);
+}
+
+#ifdef __cplusplus
+
+namespace simgrid {
+namespace mc {
+
+XBT_PRIVATE mc_snapshot_t take_snapshot(int num_state);
+XBT_PRIVATE void restore_snapshot(mc_snapshot_t);
+
+}
+}
+
+#endif
+
+extern "C" {
 
 XBT_PRIVATE void mc_restore_page_snapshot_region(
   simgrid::mc::Process* process,
@@ -228,13 +244,13 @@ const void* MC_region_read(
     xbt_die("Storage type not supported");
 
   case simgrid::mc::StorageType::Flat:
-    return (char*) region->flat_data() + offset;
+    return (char*) region->flat_data().get() + offset;
 
   case simgrid::mc::StorageType::Chunked:
     {
       // Last byte of the region:
       void* end = (char*) addr + size - 1;
-      if (mc_same_page(addr, end) ) {
+      if (simgrid::mc::mmu::sameChunk((std::uintptr_t) addr, (std::uintptr_t) end) ) {
         // The memory is contained in a single page:
         return mc_translate_address_region_chunked((uintptr_t) addr, region);
       } else {
@@ -260,7 +276,7 @@ void* MC_region_read_pointer(mc_mem_region_t region, const void* addr)
 SG_END_DECL()
 
 XBT_PRIVATE int init_heap_information(xbt_mheap_t heap1, xbt_mheap_t heap2,
-                          std::vector<s_mc_heap_ignore_region_t>* i1,
-                          std::vector<s_mc_heap_ignore_region_t>* i2);
+                          std::vector<simgrid::mc::IgnoredHeapRegion>* i1,
+                          std::vector<simgrid::mc::IgnoredHeapRegion>* i2);
 
 #endif