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authorFabrice Desclaux <fabrice.desclaux@cea.fr>2015-10-29 07:25:31 +0100
committerFabrice Desclaux <fabrice.desclaux@cea.fr>2015-10-29 12:27:41 +0100
commit976337d3aaada7adb2e1f2788c8558a024652b2d (patch)
tree99527f5ecce66510b009b3e0f81cccc944d5dc8f
parent89b7cc0b3bdcff8ef57dba232c9aae544c3ded35 (diff)
downloadmiasm-976337d3aaada7adb2e1f2788c8558a024652b2d.tar.gz
miasm-976337d3aaada7adb2e1f2788c8558a024652b2d.zip
Core/asmbloc: Fix get_subcall_instr
-rw-r--r--miasm2/core/asmbloc.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/miasm2/core/asmbloc.py b/miasm2/core/asmbloc.py
index 31e4bdd7..9f67747c 100644
--- a/miasm2/core/asmbloc.py
+++ b/miasm2/core/asmbloc.py
@@ -203,10 +203,14 @@ class asm_bloc(object):
     def get_subcall_instr(self):
         if not self.lines:
             return None
-        for i in xrange(-1, -1 - self.lines[0].delayslot - 1, -1):
+        delayslot = self.lines[0].delayslot
+        end_index = len(self.lines) - 1
+        ds_max_index = max(end_index - delayslot, 0)
+        for i in xrange(end_index, ds_max_index - 1, -1):
             l = self.lines[i]
             if l.is_subcall():
                 return l
+        return None
 
     def get_next(self):
         for x in self.bto: