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-rw-r--r--miasm2/arch/x86/disasm.py51
1 files changed, 51 insertions, 0 deletions
diff --git a/miasm2/arch/x86/disasm.py b/miasm2/arch/x86/disasm.py
new file mode 100644
index 00000000..7185a973
--- /dev/null
+++ b/miasm2/arch/x86/disasm.py
@@ -0,0 +1,51 @@
+from miasm2.core.asmbloc import asm_constraint, asm_label, disasmEngine
+from miasm2.expression.expression import ExprId
+from arch import mn_x86
+
+
+def cb_x86_callpop(mn, attrib, pool_bin, cur_bloc, offsets_to_dis, symbol_pool):
+    """
+    1000: call 1005
+    1005: pop
+    """
+    if len(cur_bloc.lines) < 1:
+        return
+    l = cur_bloc.lines[-1]
+    if l.name != 'CALL':
+        return
+    dst = l.args[0]
+    if not (isinstance(dst, ExprId) and isinstance(dst.name, asm_label)):
+        return
+    if dst.name.offset != l.offset + l.l:
+        return
+    l.name = 'PUSH'
+    # cur_bloc.bto.pop()
+    cur_bloc.bto[0].c_bto = asm_constraint.c_next
+
+
+cb_x86_funcs = [cb_x86_callpop]
+
+
+def cb_x86_disasm(mn, attrib, pool_bin, cur_bloc, offsets_to_dis, symbol_pool):
+    for func in cb_x86_funcs:
+        func(mn, attrib, pool_bin, cur_bloc, offsets_to_dis, symbol_pool)
+
+
+class dis_x86(disasmEngine):
+    attrib = None
+
+    def __init__(self, bs=None, **kwargs):
+        super(dis_x86, self).__init__(mn_x86, self.attrib, bs, **kwargs)
+        self.dis_bloc_callback = cb_x86_disasm
+
+
+class dis_x86_16(dis_x86):
+    attrib = 16
+
+
+class dis_x86_32(dis_x86):
+    attrib = 32
+
+
+class dis_x86_64(dis_x86):
+    attrib = 64