Process: added a method for getting the main module base (windows). Returns 0 on linux.

library/Process-linux.cpp

@@ -120,6 +120,11 @@ void Process::getMemRanges( vector<t_memrange> & ranges )
     }
 }
 
+uint32_t Process::getBase()
+{
+    return 0;
+}
+
 static int getdir (string dir, vector<string> &files)
 {
     DIR *dp;

library/Process-windows.cpp

@@ -330,6 +330,13 @@ void Process::getMemRanges( vector<t_memrange> & ranges )
     }
 }
 
+uint32_t Process::getBase()
+{
+    if(d)
+        return d->base;
+    return 0x400000;
+}
+
 string Process::doReadClassName (void * vptr)
 {
     int rtti = readDWord((uint32_t)vptr - 0x4);

library/include/dfhack/Process.h

@@ -264,6 +264,7 @@ namespace DFHack
             {
                 return my_descriptor;
             };
+            uint32_t getBase();
             /// get the DF Process ID
             int getPID();
             /// get the DF Process FilePath