mmalloc from last version to be included in gdb.
[ocaml-ancient.git] / mmalloc / mmtrace.awk
diff --git a/mmalloc/mmtrace.awk b/mmalloc/mmtrace.awk
new file mode 100644 (file)
index 0000000..d7689ce
--- /dev/null
@@ -0,0 +1,36 @@
+#
+#  Awk program to analyze mtrace.c output.
+#
+$1 == "+"      { if (allocated[$2] != "")
+                   print "+", $2, "Alloc", NR, "duplicate:", allocated[$2];
+                 else
+                   allocated[$2] = $3;
+               }
+$1 == "-"      { if (allocated[$2] != "") {
+                   allocated[$2] = "";
+                   if (allocated[$2] != "")
+                       print "DELETE FAILED", $2, allocated[$2];
+                 } else
+                   print "-", $2, "Free", NR, "was never alloc'd";
+               }
+$1 == "<"      { if (allocated[$2] != "")
+                   allocated[$2] = "";
+                 else
+                   print "-", $2, "Realloc", NR, "was never alloc'd";
+               }
+$1 == ">"      { if (allocated[$2] != "")
+                   print "+", $2, "Realloc", NR, "duplicate:", allocated[$2];
+                 else
+                   allocated[$2] = $3;
+               }
+
+# Ignore "= Start"
+$1 == "="      { }
+# Ignore failed realloc attempts for now
+$1 == "!"      { }
+
+
+END            { for (x in allocated) 
+                   if (allocated[x] != "")
+                     print "+", x, allocated[x];
+               }