SnapshotStack * snapshotObject;
#ifdef MAC
-void SnapshotGlobalSegments(){
+/** The SnapshotGlobalSegments function computes the memory regions
+ * that may contain globals and then configures the snapshotting
+ * library to snapshot them.
+ */
+static void SnapshotGlobalSegments(){
int pid = getpid();
char buf[9000], execname[100];
FILE *map;
//Skip out at the end of the section
if (buf[0]=='\n')
break;
-
- sscanf(buf, "%22s %p-%p [%5dK] %c%c%c/%c%c%c SM=%3s %200s\n", &type, &begin, &end, &size, &r, &w, &x, &mr, &mw, &mx, smstr, regionname);
+
+ sscanf(buf, "%22s %p-%p [%5dK] %c%c%c/%c%c%c SM=%3s %200s\n", type, &begin, &end, &size, &r, &w, &x, &mr, &mw, &mx, smstr, regionname);
if (w == 'w' && (strstr(regionname, MYBINARYNAME) || strstr(regionname, MYLIBRARYNAME))) {
size_t len = ((uintptr_t)end - (uintptr_t)begin) / PAGESIZE;
if (len != 0)
addMemoryRegionToSnapShot(begin, len);
- DEBUG("%s\n", buf);
- DEBUG("%45s: %18p - %18p\t%c%c%c%c\n", regionname, begin, end, r, w, x, p);
}
}
pclose(map);
}
#else
-void SnapshotGlobalSegments(){
+/** The SnapshotGlobalSegments function computes the memory regions
+ * that may contain globals and then configures the snapshotting
+ * library to snapshot them.
+ */
+static void SnapshotGlobalSegments(){
int pid = getpid();
char buf[9000], filename[100];
FILE *map;
}
#endif
-//class definition of SnapshotStack.....
-//declaration of constructor....
SnapshotStack::SnapshotStack(){
SnapshotGlobalSegments();
stack=NULL;
SnapshotStack::~SnapshotStack(){
}
+
+/** This method returns to the last snapshot before the inputted
+ * sequence number. This function must be called from the model
+ * checking thread and not from a snapshotted stack.
+ * @param seqindex is the sequence number to rollback before.
+ * @return is the sequence number we actually rolled back to.
+ */
int SnapshotStack::backTrackBeforeStep(int seqindex) {
while(true) {
if (stack->index<=seqindex) {
}
}
+/** This method takes a snapshot at the given sequence number. */
void SnapshotStack::snapshotStep(int seqindex) {
struct stackEntry *tmp=(struct stackEntry *)MYMALLOC(sizeof(struct stackEntry));
tmp->next=stack;