model-checker : add ignore mechanism for global variables (data + bss segments) in...

[simgrid.git] / src / mc / mc_checkpoint.c

diff --git a/src/mc/mc_checkpoint.c b/src/mc/mc_checkpoint.c
index 0703b17..6ccdb78 100644 (file)
--- a/src/mc/mc_checkpoint.c
+++ b/src/mc/mc_checkpoint.c
@@ -18,7 +18,8 @@ void *start_text_libsimgrid;
 void *start_plt_libsimgrid, *end_plt_libsimgrid;
 void *start_plt_binary, *end_plt_binary;
 char *libsimgrid_path;
-void *start_data_libsimgrid;
+void *start_data_libsimgrid, *start_bss_libsimgrid;
+void *start_data_binary, *start_bss_binary;
 void *start_text_binary;
 void *end_raw_heap;
 
@@ -132,6 +133,18 @@ void MC_init_memory_map_info(){
       } else {
         if (!memcmp(basename(maps->regions[i].pathname), "libsimgrid", 10)){
           start_data_libsimgrid = reg.start_addr;
+          i++;
+          reg = maps->regions[i];
+          if(reg.pathname == NULL && (reg.prot & PROT_WRITE) && i < maps->mapsize)
+            start_bss_libsimgrid = reg.start_addr;
+        }else if (!memcmp(basename(maps->regions[i].pathname), basename(xbt_binary_name), strlen(basename(xbt_binary_name)))){
+          start_data_binary = reg.start_addr;
+          i++;
+          reg = maps->regions[i];
+          if(reg.pathname == NULL && (reg.prot & PROT_WRITE) && reg.start_addr != std_heap && reg.start_addr != raw_heap && i < maps->mapsize){
+            start_bss_binary = reg.start_addr;
+            i++;
+          }
         }
       }
     }else if ((reg.prot & PROT_READ)){
@@ -193,18 +206,26 @@ mc_snapshot_t MC_take_snapshot_liveness()
           nb_reg++;
           i++;
           reg = maps->regions[i];
-          while(reg.pathname == NULL && (reg.prot & PROT_WRITE) && i < maps->mapsize){
+          if(reg.pathname == NULL && (reg.prot & PROT_WRITE) && i < maps->mapsize){
             MC_snapshot_add_region(snapshot, 1, reg.start_addr, (char*)reg.end_addr - (char*)reg.start_addr);
-            i++;
             reg = maps->regions[i];
+            i++;
             nb_reg++;
           }
         } else {
           if (!memcmp(basename(maps->regions[i].pathname), basename(xbt_binary_name), strlen(basename(xbt_binary_name)))){
             MC_snapshot_add_region(snapshot, 2, reg.start_addr, (char*)reg.end_addr - (char*)reg.start_addr);
             nb_reg++;
+            i++;
+            reg = maps->regions[i];
+            if(reg.pathname == NULL && (reg.prot & PROT_WRITE) && reg.start_addr != std_heap && reg.start_addr != raw_heap && i < maps->mapsize){
+              MC_snapshot_add_region(snapshot, 2, reg.start_addr, (char*)reg.end_addr - (char*)reg.start_addr);
+              reg = maps->regions[i];
+              nb_reg++;
+            }
+          }else{
+            i++;
           }
-          i++;
         }
       }
     }else if ((reg.prot & PROT_READ)){
@@ -614,3 +635,9 @@ static void snapshot_stack_free(mc_snapshot_stack_t s){
 void snapshot_stack_free_voidp(void *s){
   snapshot_stack_free((mc_snapshot_stack_t) * (void **) s);
 }
+
+void *MC_snapshot(void){
+
+  return simcall_mc_snapshot();
+  
+}