Squashed commit of the following:

commit 3007df0d153ade6d328321dad8f88d63869159c8
Merge: 7557851 cd14d68
Author: Carl Pearson <pearson@illinois.edu>
Date:   Wed Sep 25 09:59:54 2019 -0500

    Merge branch 'master' into feature/aslr

commit 7557851508f0e1c2d75244267c5f78fb3d1ca303
Author: Carl Pearson <pearson@illinois.edu>
Date:   Tue Sep 24 07:50:15 2019 -0500

    wish list

commit 0bbbac31f354c16ae1942dbfe4683a66ec260498
Author: Carl Pearson <pearson@illinois.edu>
Date:   Tue Sep 24 07:49:36 2019 -0500

    ASLR documentation

commit f1ae37e057792696a739e30ecdbd09e071b8a7d4
Author: Carl Pearson <pearson@illinois.edu>
Date:   Tue Sep 24 07:45:54 2019 -0500

    add ASLR interface

tools/no_aslr.cpp

@@ -0,0 +1,77 @@
+#include <iostream>
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <cstring>
+#include <vector>
+
+#include "perfect/aslr.hpp"
+
+using namespace perfect;
+
+int main(int argc, char **argv) {
+
+  using namespace perfect;
+
+  PERFECT(init());
+
+  pid_t pid;
+  int status;
+  pid = fork();
+  if (pid == -1) {
+    // pid == -1 means error occured
+    std::cerr << "can't fork, error occured\n";
+    exit(EXIT_FAILURE);
+  } else if (pid == 0) {
+    // in the child process
+
+    // skip the first argument, which is this program
+    std::vector<char*> args;
+    for (int i = 1; i < argc; ++i) {
+      args.push_back(argv[i]);
+    }
+    assert(args.size() > 0);
+    args.push_back(nullptr);
+
+    PERFECT(disable_aslr());
+
+    // the execv() only return if error occured.
+    // The return value is -1
+    return execvp(args[0], args.data());
+  } else {
+    // parent process
+
+    if (waitpid(pid, &status, 0) > 0) {
+
+      if (WIFEXITED(status) && !WEXITSTATUS(status)) {
+        // success
+        exit(status);
+      }
+
+      else if (WIFEXITED(status) && WEXITSTATUS(status)) {
+        if (WEXITSTATUS(status) == 127) {
+
+          // execv failed
+          std::cerr << "execv failed\n";
+          exit(status);
+        } else {
+          std::cerr << "program terminated normally, but returned a non-zero status\n";
+          exit(status);
+        }
+      } else {
+        printf("program didn't terminate normally\n");
+        exit(status);
+      }
+    } else {
+      // waitpid() failed
+      printf("waitpid() failed\n");
+      exit(EXIT_FAILURE);
+    }
+    exit(0);
+  }
+  return 0;
+}