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from miasm2.core.cpu import parse_ast, ast_id2expr
from miasm2.arch.x86.arch import mn_x86, base_expr
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
from pdb import pm
# 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.txt', 'w').write(out)
print '*' * 80
ir_arch.dead_simp()
out2 = ir_arch.graph()
open('graph2.txt', 'w').write(out2)
# Display new IR
print 'new ir blocs'
for lbl, b in ir_arch.blocs.items():
print b
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