From 60396ddeffeb73557def8dbbaaedfd8e215eab10 Mon Sep 17 00:00:00 2001
From: Zach Riggle <riggle@google.com>
Date: Mon, 20 Jul 2015 18:12:21 -0400
Subject: [PATCH] Fix missing exe (start==vma) and update requirements

---
 pwndbg/symbol.py | 4 ++++
 requirements.txt | 3 ++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/pwndbg/symbol.py b/pwndbg/symbol.py
index d0620db04..95f9b9664 100644
--- a/pwndbg/symbol.py
+++ b/pwndbg/symbol.py
@@ -82,6 +82,10 @@ def add_main_exe_to_symbols():
         return
 
     exe  = pwndbg.elf.exe()
+
+    if not exe:
+        return
+
     addr = exe.address
 
     if not addr:
diff --git a/requirements.txt b/requirements.txt
index c84ef9bd9..abb5733a9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 capstone>=4.0
-pycparser
\ No newline at end of file
+pycparser
+psutil>=3.1.0