Example: Rename symbol_exec to single_instr in a specific symbol_exec directory

1 files changed, 31 insertions, 0 deletions

diff --git a/example/symbol_exec/single_instr.py b/example/symbol_exec/single_instr.py
new file mode 100644
index 00000000..416909f2
--- /dev/null
+++ b/example/symbol_exec/single_instr.py
@@ -0,0 +1,31 @@
+# Minimalist Symbol Exec example
+from miasm2.core.bin_stream                 import bin_stream_str
+from miasm2.arch.x86.arch                   import mn_x86
+from miasm2.arch.x86.ira                    import ir_a_x86_32
+from miasm2.arch.x86.regs                   import all_regs_ids, all_regs_ids_init
+from miasm2.ir.symbexec                     import symbexec
+from miasm2.arch.x86.disasm                 import dis_x86_32 as dis_engine
+import miasm2.expression.expression as m2_expr
+
+l = mn_x86.fromstring("MOV EAX, EBX", 32)
+asm = mn_x86.asm(l)[0]
+
+bin_stream = bin_stream_str(asm)
+
+mdis = dis_engine(bin_stream)
+disasm = mdis.dis_multibloc(0)
+
+ir = ir_a_x86_32(mdis.symbol_pool)
+for bbl in disasm: ir.add_bloc(bbl)
+
+symbols_init =  {}
+for i, r in enumerate(all_regs_ids):
+    symbols_init[r] = all_regs_ids_init[i]
+symb = symbexec(ir, symbols_init)
+
+block = ir.get_bloc(0)
+
+cur_addr = symb.emulbloc(block)
+assert(symb.symbols[m2_expr.ExprId("EAX")] == symbols_init[m2_expr.ExprId("EBX")])
+print 'modified registers:'
+symb.dump_id()