X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/eb417d0c8064e83fc1211abc819ae93687505003..5e102dc08a9b3f49204d88b1c22dd2dd7c2c9f79:/src/mc/mc_snapshot.h

diff --git a/src/mc/mc_snapshot.h b/src/mc/mc_snapshot.h
index 135cf26b5c..279ca5b849 100644
--- a/src/mc/mc_snapshot.h
+++ b/src/mc/mc_snapshot.h
@@ -110,7 +110,7 @@ bool mc_region_contain(mc_mem_region_t region, const void* p)
 }
 
 static inline __attribute__((always_inline))
-void* mc_translate_address_region(uintptr_t addr, mc_mem_region_t region)
+void* mc_translate_address_region_chunked(uintptr_t addr, mc_mem_region_t region)
 {
   size_t pageno = mc_page_number(region->start_addr, (void*) addr);
   size_t snapshot_pageno = region->chunked.page_numbers[pageno];
@@ -119,39 +119,9 @@ void* mc_translate_address_region(uintptr_t addr, mc_mem_region_t region)
   return (char*) snapshot_page + mc_page_offset((void*) addr);
 }
 
-XBT_INTERNAL mc_mem_region_t mc_get_snapshot_region(
-  const void* addr, const s_mc_snapshot_t *snapshot, int process_index);
-
-/** \brief Translate a pointer from process address space to snapshot address space
- *
- *  The address space contains snapshot of the main/application memory:
- *  this function finds the address in a given snaphot for a given
- *  real/application address.
- *
- *  For read only memory regions and other regions which are not int the
- *  snapshot, the address is not changed.
- *
- *  \param addr     Application address
- *  \param snapshot The snapshot of interest (if NULL no translation is done)
- *  \return         Translated address in the snapshot address space
- * */
 static inline __attribute__((always_inline))
-void* mc_translate_address(uintptr_t addr, mc_snapshot_t snapshot, int process_index)
+void* mc_translate_address_region(uintptr_t addr, mc_mem_region_t region, int process_index)
 {
-
-  // If not in a process state/clone:
-  if (!snapshot) {
-    return (uintptr_t *) addr;
-  }
-
-  mc_mem_region_t region = mc_get_snapshot_region((void*) addr, snapshot, process_index);
-
-  xbt_assert(mc_region_contain(region, (void*) addr), "Trying to read out of the region boundary.");
-
-  if (!region) {
-    return (void *) addr;
-  }
-
   switch (region->storage_type) {
   case MC_REGION_STORAGE_TYPE_NONE:
   default:
@@ -164,7 +134,7 @@ void* mc_translate_address(uintptr_t addr, mc_snapshot_t snapshot, int process_i
     }
 
   case MC_REGION_STORAGE_TYPE_CHUNKED:
-    return mc_translate_address_region(addr, region);
+    return mc_translate_address_region_chunked(addr, region);
 
   case MC_REGION_STORAGE_TYPE_PRIVATIZED:
     {
@@ -174,11 +144,14 @@ void* mc_translate_address(uintptr_t addr, mc_snapshot_t snapshot, int process_i
         "Out of range process index");
       mc_mem_region_t subregion = region->privatized.regions[process_index];
       xbt_assert(subregion, "Missing memory region for process %i", process_index);
-      return mc_translate_address(addr, snapshot, process_index);
+      return mc_translate_address_region(addr, subregion, process_index);
     }
   }
 }
 
+XBT_INTERNAL mc_mem_region_t mc_get_snapshot_region(
+  const void* addr, const s_mc_snapshot_t *snapshot, int process_index);
+
 // ***** MC Snapshot
 
 /** Ignored data
@@ -210,7 +183,7 @@ public:
   ~Snapshot();
   const void* read_bytes(void* buffer, std::size_t size,
     remote_ptr<void> address, int process_index = ProcessIndexAny,
-    ReadMode mode = Normal) const override;
+    ReadMode mode = Normal) const MC_OVERRIDE;
 public: // To be private
   mc_process_t process;
   int num_state;
@@ -274,11 +247,6 @@ typedef struct s_mc_global_t {
   char *recv_diff;
 }s_mc_global_t, *mc_global_t;
 
-typedef struct s_mc_checkpoint_ignore_region{
-  void *addr;
-  size_t size;
-}s_mc_checkpoint_ignore_region_t, *mc_checkpoint_ignore_region_t;
-
 static const void* mc_snapshot_get_heap_end(mc_snapshot_t snapshot);
 
 XBT_INTERNAL mc_snapshot_t MC_take_snapshot(int num_state);
@@ -311,14 +279,6 @@ XBT_INTERNAL int MC_snapshot_memcmp(
   const void* addr1, mc_snapshot_t snapshot1,
   const void* addr2, mc_snapshot_t snapshot2, int process_index, size_t size);
 
-static inline __attribute__ ((always_inline))
-const void* MC_snapshot_read_pointer(mc_snapshot_t snapshot, const void* addr, int process_index)
-{
-  void* res;
-  return *(const void**) MC_snapshot_read(snapshot, simgrid::mc::AddressSpace::Lazy,
-    &res, addr, sizeof(void*), process_index);
-}
-
 static inline __attribute__ ((always_inline))
 const void* mc_snapshot_get_heap_end(mc_snapshot_t snapshot)
 {
@@ -359,7 +319,7 @@ const void* MC_region_read(mc_mem_region_t region, void* target, const void* add
       void* end = (char*) addr + size - 1;
       if (mc_same_page(addr, end) ) {
         // The memory is contained in a single page:
-        return mc_translate_address_region((uintptr_t) addr, region);
+        return mc_translate_address_region_chunked((uintptr_t) addr, region);
       } else {
         // The memory spans several pages:
         return MC_region_read_fragmented(region, target, addr, size);