X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=snapshot-interface.cc;h=fdabcf33549349acb203ac201608461aa25d049c;hb=1f2a30ddc8f38f3f45d62d169b766c0c38364ecd;hp=cd1eceea744b2262f2899542aa59dd0ece45db88;hpb=216b2766b35830e1abef08b7cefc23f145e520c0;p=model-checker.git

diff --git a/snapshot-interface.cc b/snapshot-interface.cc
index cd1ecee..fdabcf3 100644
--- a/snapshot-interface.cc
+++ b/snapshot-interface.cc
@@ -2,17 +2,16 @@
 #include <unistd.h>
 #include <cstring>
 #include <inttypes.h>
-#include <vector>
 
 #include "snapshot-interface.h"
 #include "snapshot.h"
 #include "common.h"
 #include "mymemory.h"
+#include "stl-model.h"
 
 /* MYBINARYNAME only works because our pathname usually includes 'model' (e.g.,
  * /.../model-checker/test/userprog.o) */
 #define MYBINARYNAME "model"
-#define MYLIBRARYNAME "libmodel.so"
 #define MAPFILE "/proc/self/maps"
 
 struct snapshot_entry {
@@ -29,7 +28,7 @@ class SnapshotStack {
 
 	MEMALLOC
  private:
-	std::vector<struct snapshot_entry, ModelAlloc<struct snapshot_entry> > stack;
+	ModelVector<struct snapshot_entry> stack;
 };
 
 static SnapshotStack *snap_stack;
@@ -74,7 +73,7 @@ static void SnapshotGlobalSegments()
 
 		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))) {
+		if (w == 'w' && strstr(regionname, MYBINARYNAME)) {
 			size_t len = ((uintptr_t)end - (uintptr_t)begin) / PAGESIZE;
 			if (len != 0)
 				snapshot_add_memory_region(begin, len);
@@ -86,10 +85,16 @@ static void SnapshotGlobalSegments()
 
 static void get_binary_name(char *buf, size_t len)
 {
-	if (readlink("/proc/self/exe", buf, len) == -1) {
+	ssize_t size = readlink("/proc/self/exe", buf, len);
+	if (size < 0) {
 		perror("readlink");
 		exit(EXIT_FAILURE);
 	}
+
+	/* Terminate string */
+	if ((size_t)size > len)
+		size = len;
+	buf[size] = '\0';
 }
 
 /** The SnapshotGlobalSegments function computes the memory regions
@@ -114,7 +119,7 @@ static void SnapshotGlobalSegments()
 		void *begin, *end;
 
 		sscanf(buf, "%p-%p %c%c%c%c %*x %*x:%*x %*u %200s\n", &begin, &end, &r, &w, &x, &p, regionname);
-		if (w == 'w' && (strstr(regionname, binary_name) || strstr(regionname, MYLIBRARYNAME))) {
+		if (w == 'w' && strstr(regionname, binary_name)) {
 			size_t len = ((uintptr_t)end - (uintptr_t)begin) / PAGESIZE;
 			if (len != 0)
 				snapshot_add_memory_region(begin, len);
@@ -148,7 +153,7 @@ int SnapshotStack::backTrackBeforeStep(int seqindex)
 /** This method takes a snapshot at the given sequence number. */
 void SnapshotStack::snapshotStep(int seqindex)
 {
-	stack.push_back(snapshot_entry(seqindex, take_snapshot()));
+	stack.push_back(snapshot_entry(take_snapshot(), seqindex));
 }
 
 void snapshot_stack_init()