From 03aa2399a0bf0a0078c6c4fd9447ad504a1282c8 Mon Sep 17 00:00:00 2001
From: lethosor <lethosor@gmail.com>
Date: Thu, 23 Jul 2015 23:25:01 -0400
Subject: [PATCH] Add environment variables to skip global and vtable
 initialization

---
 library/VersionInfoFactory.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/library/VersionInfoFactory.cpp b/library/VersionInfoFactory.cpp
index 1b66b583a..2336b8d6c 100644
--- a/library/VersionInfoFactory.cpp
+++ b/library/VersionInfoFactory.cpp
@@ -81,6 +81,8 @@ VersionInfo * VersionInfoFactory::getVersionInfoByPETimestamp(uint32_t timestamp
 
 void VersionInfoFactory::ParseVersion (TiXmlElement* entry, VersionInfo* mem)
 {
+    bool no_vtables = getenv("DFHACK_NO_VTABLES");
+    bool no_globals = getenv("DFHACK_NO_GLOBALS");
     TiXmlElement* pMemEntry;
     const char *cstr_name = entry->Attribute("name");
     if (!cstr_name)
@@ -136,6 +138,8 @@ void VersionInfoFactory::ParseVersion (TiXmlElement* entry, VersionInfo* mem)
                 cerr << "Dummy symbol table entry: " << cstr_key << endl;
                 continue;
             }
+            if ((is_vtable && no_vtables) || (!is_vtable && no_globals))
+                continue;
             uint32_t addr = strtol(cstr_value, 0, 0);
             if (is_vtable)
                 mem->setVTable(cstr_key, addr);