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authorserpilliere <fabrice.desclaux@cea.fr>2015-02-21 21:09:07 +0100
committerserpilliere <fabrice.desclaux@cea.fr>2015-02-22 01:48:27 +0100
commitdd2da246f676ff827201c9eee3ae698081875bf7 (patch)
tree92f0b1839ac0398426ad0332cd973cf9b41ca8c9 /miasm2/expression/expression_helper.py
parentf26427471fb9cda89b36b1d2609a9f58f1d79d68 (diff)
downloadmiasm-dd2da246f676ff827201c9eee3ae698081875bf7.tar.gz
miasm-dd2da246f676ff827201c9eee3ae698081875bf7.zip
Expression: remove code which uses expression modifications
Diffstat (limited to 'miasm2/expression/expression_helper.py')
-rw-r--r--miasm2/expression/expression_helper.py6
1 files changed, 4 insertions, 2 deletions
diff --git a/miasm2/expression/expression_helper.py b/miasm2/expression/expression_helper.py
index 825cad60..3555530a 100644
--- a/miasm2/expression/expression_helper.py
+++ b/miasm2/expression/expression_helper.py
@@ -64,9 +64,11 @@ def merge_sliceto_slice(args):
     final_sources = []
     sorted_s = []
     for x in sources_int.values():
+        x = list(x)
         # mask int
         v = x[0].arg & ((1 << (x[2] - x[1])) - 1)
-        x[0].arg = v
+        x[0] = m2_expr.ExprInt_from(x[0], v)
+        x = tuple(x)
         sorted_s.append((x[1], x))
     sorted_s.sort()
     while sorted_s:
@@ -81,7 +83,7 @@ def merge_sliceto_slice(args):
             a = m2_expr.mod_size2uint[size](
                 (int(out[0].arg) << (out[1] - s_start)) +
                  int(sorted_s[-1][1][0].arg))
-            out[0].arg = a
+            out[0] = m2_expr.ExprInt(a)
             sorted_s.pop()
             out[1] = s_start
         out[0] = m2_expr.ExprInt_fromsize(size, out[0].arg)