1 files changed, 75 insertions, 0 deletions
diff --git a/miasm2/arch/msp430/ira.py b/miasm2/arch/msp430/ira.py
new file mode 100644
index 00000000..8e9a70dd
--- /dev/null
+++ b/miasm2/arch/msp430/ira.py
@@ -0,0 +1,75 @@
+#!/usr/bin/env python
+#-*- coding:utf-8 -*-
+
+from miasm2.expression.expression import *
+from miasm2.ir.ir import ir, irbloc
+from miasm2.ir.analysis import ira
+from miasm2.arch.msp430.sem import ir_msp430
+from miasm2.arch.msp430.regs import *
+# from miasm2.core.graph import DiGraph
+
+
+class ir_a_msp430_base(ir_msp430, ira):
+
+    def __init__(self, symbol_pool=None):
+        ir_msp430.__init__(self, symbol_pool)
+        self.ret_reg = self.arch.regs.R15
+
+
+class ir_a_msp430(ir_a_msp430_base):
+
+    def __init__(self, symbol_pool=None):
+        ir_a_msp430_base.__init__(self, symbol_pool)
+
+    # for test XXX TODO
+    def set_dead_regs(self, b):
+        b.rw[-1][1].add(self.arch.regs.zf)
+        b.rw[-1][1].add(self.arch.regs.nf)
+        b.rw[-1][1].add(self.arch.regs.of)
+        b.rw[-1][1].add(self.arch.regs.cf)
+
+        b.rw[-1][1].add(self.arch.regs.res)
+        b.rw[-1][1].add(self.arch.regs.scg1)
+        b.rw[-1][1].add(self.arch.regs.scg0)
+        b.rw[-1][1].add(self.arch.regs.osc)
+        b.rw[-1][1].add(self.arch.regs.cpuoff)
+        b.rw[-1][1].add(self.arch.regs.gie)
+
+    def call_effects(self, ad):
+        irs = [[ExprAff(self.ret_reg, ExprOp('call_func_ret', ad, self.sp)),
+                ExprAff(self.sp, ExprOp('call_func_stack', ad, self.sp)),
+                ]]
+        return irs
+
+    def post_add_bloc(self, bloc, ir_blocs):
+        ir.post_add_bloc(self, bloc, ir_blocs)
+        # flow_graph = DiGraph()
+
+        l = bloc.lines[-1]
+        if not l.is_subcall():
+            return
+
+        for irb in ir_blocs:
+            # print 'X'*40
+            # print irb
+            pc_val = None
+            for exprs in irb.irs:
+                for e in exprs:
+                    if e.dst == PC:
+                        pc_val = e.src
+            if pc_val is None:
+                continue
+
+            l = bloc.lines[-1]
+            # print str(l), 'IS CALL!'
+            lbl = bloc.get_next()
+            new_lbl = self.gen_label()
+            irs = self.call_effects(pc_val)
+            nbloc = irbloc(new_lbl, ExprId(lbl, size=self.pc.size), irs)
+            nbloc.lines = [l]
+            self.blocs[new_lbl] = nbloc
+            irb.dst = ExprId(new_lbl, size=self.pc.size)
+
+    def get_out_regs(self, b):
+        return set([self.ret_reg, self.sp])
+