diff --git a/yocto-poky/meta/lib/oe/qa.py b/yocto-poky/meta/lib/oe/qa.py
index d5cdaa0..3cfeee7 100644
--- a/yocto-poky/meta/lib/oe/qa.py
+++ b/yocto-poky/meta/lib/oe/qa.py
@@ -1,3 +1,8 @@
+import os, struct
+
+class NotELFFileError(Exception):
+    pass
+
 class ELFFile:
     EI_NIDENT = 16
 
@@ -7,6 +12,8 @@
     EI_OSABI      = 7
     EI_ABIVERSION = 8
 
+    E_MACHINE    = 0x12
+
     # possible values for EI_CLASS
     ELFCLASSNONE = 0
     ELFCLASS32   = 1
@@ -20,10 +27,12 @@
     ELFDATA2LSB  = 1
     ELFDATA2MSB  = 2
 
+    PT_INTERP = 3
+
     def my_assert(self, expectation, result):
         if not expectation == result:
             #print "'%x','%x' %s" % (ord(expectation), ord(result), self.name)
-            raise Exception("This does not work as expected")
+            raise NotELFFileError("%s is not an ELF" % self.name)
 
     def __init__(self, name, bits = 0):
         self.name = name
@@ -31,10 +40,16 @@
         self.objdump_output = {}
 
     def open(self):
-        self.file = file(self.name, "r")
-        self.data = self.file.read(ELFFile.EI_NIDENT+4)
+        if not os.path.isfile(self.name):
+            raise NotELFFileError("%s is not a normal file" % self.name)
 
-        self.my_assert(len(self.data), ELFFile.EI_NIDENT+4)
+        self.file = file(self.name, "r")
+        # Read 4k which should cover most of the headers we're after
+        self.data = self.file.read(4096)
+
+        if len(self.data) < ELFFile.EI_NIDENT + 4:
+            raise NotELFFileError("%s is not an ELF" % self.name)
+
         self.my_assert(self.data[0], chr(0x7f) )
         self.my_assert(self.data[1], 'E')
         self.my_assert(self.data[2], 'L')
@@ -46,24 +61,24 @@
                 self.bits = 64
             else:
                 # Not 32-bit or 64.. lets assert
-                raise Exception("ELF but not 32 or 64 bit.")
+                raise NotELFFileError("ELF but not 32 or 64 bit.")
         elif self.bits == 32:
             self.my_assert(self.data[ELFFile.EI_CLASS], chr(ELFFile.ELFCLASS32))
         elif self.bits == 64:
             self.my_assert(self.data[ELFFile.EI_CLASS], chr(ELFFile.ELFCLASS64))
         else:
-            raise Exception("Must specify unknown, 32 or 64 bit size.")
+            raise NotELFFileError("Must specify unknown, 32 or 64 bit size.")
         self.my_assert(self.data[ELFFile.EI_VERSION], chr(ELFFile.EV_CURRENT) )
 
         self.sex = self.data[ELFFile.EI_DATA]
         if self.sex == chr(ELFFile.ELFDATANONE):
-            raise Exception("self.sex == ELFDATANONE")
+            raise NotELFFileError("self.sex == ELFDATANONE")
         elif self.sex == chr(ELFFile.ELFDATA2LSB):
             self.sex = "<"
         elif self.sex == chr(ELFFile.ELFDATA2MSB):
             self.sex = ">"
         else:
-            raise Exception("Unknown self.sex")
+            raise NotELFFileError("Unknown self.sex")
 
     def osAbi(self):
         return ord(self.data[ELFFile.EI_OSABI])
@@ -77,17 +92,36 @@
     def isLittleEndian(self):
         return self.sex == "<"
 
-    def isBigEngian(self):
+    def isBigEndian(self):
         return self.sex == ">"
 
+    def getShort(self, offset):
+        return struct.unpack_from(self.sex+"H", self.data, offset)[0]
+
+    def getWord(self, offset):
+        return struct.unpack_from(self.sex+"i", self.data, offset)[0]
+
+    def isDynamic(self):
+        """
+        Return True if there is a .interp segment (therefore dynamically
+        linked), otherwise False (statically linked).
+        """
+        offset = self.getWord(self.bits == 32 and 0x1C or 0x20)
+        size = self.getShort(self.bits == 32 and 0x2A or 0x36)
+        count = self.getShort(self.bits == 32 and 0x2C or 0x38)
+
+        for i in range(0, count):
+            p_type = self.getWord(offset + i * size)
+            if p_type == ELFFile.PT_INTERP:
+                return True
+        return False
+
     def machine(self):
         """
         We know the sex stored in self.sex and we
         know the position
         """
-        import struct
-        (a,) = struct.unpack(self.sex+"H", self.data[18:20])
-        return a
+        return self.getShort(ELFFile.E_MACHINE)
 
     def run_objdump(self, cmd, d):
         import bb.process
@@ -109,3 +143,9 @@
         except Exception as e:
             bb.note("%s %s %s failed: %s" % (objdump, cmd, self.name, e))
             return ""
+
+if __name__ == "__main__":
+    import sys
+    elf = ELFFile(sys.argv[1])
+    elf.open()
+    print elf.isDynamic()