from pdb import pm from miasm2.arch.x86.arch import mn_x86 from miasm2.core import parse_asm from miasm2.expression.expression import * from miasm2.core import asmbloc from miasm2.arch.x86.ira import ir_a_x86_32 # First, asm code blocs, symbol_pool = parse_asm.parse_txt(mn_x86, 32, ''' main: MOV EAX, 1 MOV EBX, 2 MOV ECX, 2 MOV DX, 2 loop: INC EBX CMOVZ EAX, EBX ADD EAX, ECX JZ loop RET ''') symbol_pool.set_offset(symbol_pool.getby_name("main"), 0x0) for b in blocs: print b print "symbols:" print symbol_pool patches = asmbloc.asm_resolve_final(mn_x86, blocs, symbol_pool) # Translate to IR ir_arch = ir_a_x86_32(symbol_pool) for b in blocs: print 'add bloc' print b ir_arch.add_bloc(b) # Display IR for lbl, b in ir_arch.blocs.items(): print b # Dead propagation ir_arch.gen_graph() out = ir_arch.graph() open('graph.dot', 'w').write(out) print '*' * 80 ir_arch.dead_simp() out2 = ir_arch.graph() open('graph2.dot', 'w').write(out2) # Display new IR print 'new ir blocs' for lbl, b in ir_arch.blocs.items(): print b