def miasm_asm(r2_buffer, r2_op):
"""Assemble an instruction using miasm."""
# Cast radare2 variables
rasmop = ffi.cast("RAsmOp_r2m2*", r2_op)
mn_str = ffi.string(r2_buffer)
# miasm2 only parses upper case mnemonics
mn_str = mn_str.upper()
mn_str = mn_str.replace("X", "x") # hexadecimal
# Get the miasm2 machine
machine = miasm_machine()
if machine is None:
return
# Get the miasm2 mnemonic object
mn = machine.mn()
# Assemble and return all possible candidates
mode = machine.dis_engine().attrib
instr = mn.fromstring(mn_str, mode)
asm_instr = [i for i in mn.asm(instr)][0]
# Fill the RAsmOp structure
rasmop.size = len(asm_instr)
rasmop.buf = asm_instr
rasmop.buf_hex = asm_instr.encode("hex")
def miasm_asm(r2_op, r2_address, r2_buffer):
"""Assemble an instruction using miasm."""
# Cast radare2 variables
rasmop = ffi.cast("RAsmOp_r2m2*", r2_op)
mn_str = ffi.string(r2_buffer)
# miasm2 only parses upper case mnemonics
mn_str = mn_str.upper()
mn_str = mn_str.replace("X", "x") # hexadecimal
# Get the miasm2 machine
machine = miasm_machine()
if machine is None:
return
# Get the miasm2 mnemonic object
mn = machine.mn()
# Assemble and return all possible candidates
loc_db = LocationDB()
mode = machine.dis_engine().attrib
instr = mn.fromstring(mn_str, loc_db, mode)
instr.mode = mode
instr.offset = r2_address
if instr.offset and instr.dstflow():
# Adjust arguments values using the instruction offset
instr.fixDstOffset()
asm_instr = [i for i in mn.asm(instr)][0]
# Assembled instructions in hexadecimal
buf_hex = asm_instr.encode("hex")
# Check buffer sizes
if len(asm_instr)-1 > 256:
print >> sys.stderr, "/!\ Assembled instruction is too long /!\\"
return
if len(buf_hex)-1 > 256:
buf_hex = buf_hex[:255]
# Fill the RAsmOp structure
rasmop.size = len(asm_instr)
set_rbuf(rasmop.buf, asm_instr)
set_rbuf(rasmop.buf_hex, buf_hex)