Script for converting *.idc to radare2 format
This commit is contained in:
Anton Kochkov
parent
e26763a496
commit
fd1baa4a37
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#!/usr/bin/env python
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# radare - LGPL - Copyright 2013 - xvilka
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import re
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import sys
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class Func(object):
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# FIXME: parse ftype into params and values
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def __init__(self, name="unknown", params=[], values=[], address=0, size=0, ftype=""):
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self.name = name
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self.params = params
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self.values = values
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self.address = address
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self.size = size
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self.ftype = ftype
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class Llabel(object):
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def __init__(self, name="unknown", address=0):
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self.name = name
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self.address = address
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class Comm(object):
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def __init__(self, text="", address=0):
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self.text = text
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self.address = address
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class Enum(object):
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def __init__(self, name="unknown", members=[]):
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self.name = name
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self.members = members
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class Struct(object):
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def __init__(self, name="unknown", members=[]):
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self.name = name
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self.members = members
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class Union(object):
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def __init__(self, name="unknown", members=[]):
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self.name = name
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self.members = members
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class Type(object):
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def __init__(self, name="unknown"):
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self.name = name
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self.members = members
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# -----------------------------------------------------------------------
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functions = []
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llabels = []
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comments = []
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structs = []
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enums = []
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types = []
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def functions_parse(idc):
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# MakeFunction (0XF3C99,0XF3CA8);
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mkfun_re = re.compile("""
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(?m) # Multiline
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^[ \t]*MakeFunction[ \t]*\(
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(?P<fstart>0[xX][\dA-Fa-f]{1,8}) # Function start
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[ \t]*\,[ \t]*
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(?P<fend>0[xX][\dA-Fa-f]{1,8}) # Function end
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[ \t]*\);[ \t]*$
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""", re.VERBOSE)
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mkfun_group_name = dict([(v,k) for k,v in mkfun_re.groupindex.items()])
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mkfun = mkfun_re.finditer(idc)
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for match in mkfun :
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fun = Func()
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for group_index,group in enumerate(match.groups()) :
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if group :
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if mkfun_group_name[group_index+1] == "fstart" :
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fun.address = int(group, 16)
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if mkfun_group_name[group_index+1] == "fend" :
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fun.size = int(group, 16) - fun.address
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functions.append(fun)
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# SetFunctionFlags (0XF3C99, 0x400);
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mkfunflags_re = re.compile("""
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(?m) # Multiline
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^[ \t]*SetFunctionFlags[ \t*]\(
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(?P<fstart>0[xX][\dA-Fa-f]{1,8}) # Function start
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[ \t]*\,[ \t]*
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(?P<flags>0[xX][\dA-Fa-f]{1,8}) # Flags
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[ \t]*\);[ \t]*$
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""", re.VERBOSE)
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mkfunflags_group_name = dict([(v,k) for k,v in mkfunflags_re.groupindex.items()])
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mkfunflags = mkfunflags_re.finditer(idc)
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for match in mkfunflags :
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for group_index,group in enumerate(match.groups()) :
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if group :
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if mkfunflags_group_name[group_index+1] == "fstart" :
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addr = int(group, 16)
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if mkfunflags_group_name[group_index+1] == "flags" :
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for fun in functions :
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if fun.address == addr :
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pass # TODO: parse flags
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# MakeFrame (0XF3C99, 0, 0, 0);
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# MakeName (0XF3C99, "SIO_port_setup_S");
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mkname_re = re.compile("""
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(?m) # Multiline
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^[ \t]*MakeName[ \t]*\(
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(?P<fstart>0[xX][\dA-Fa-f]{1,8}) # Function start
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[ \t]*\,[ \t]*
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"(?P<fname>.*)" # Function name
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[ \t]*\);[ \t]*$
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""", re.VERBOSE)
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mkname_group_name = dict([(v,k) for k,v in mkname_re.groupindex.items()])
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mkname = mkname_re.finditer(idc)
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for match in mkname :
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for group_index,group in enumerate(match.groups()) :
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if group :
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if mkname_group_name[group_index+1] == "fstart" :
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addr = int(group, 16)
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if mkname_group_name[group_index+1] == "fname" :
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for fun in functions :
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if fun.address == addr :
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fun.name = group
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# SetType (0XFFF72, "__int32 __cdecl PCI_ByteWrite_SL(__int32 address, __int32 value)");
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mkftype_re = re.compile("""
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(?m) # Multiline
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^[ \t]*SetType[ \t]*\(
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(?P<fstart>0[xX][\dA-Fa-f]{1,8}) # Function start
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[ \t]*\,[ \t]*
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"(?P<ftype>.*)" # Function type
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[ \t]*\);[ \t]*$
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""", re.VERBOSE)
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mkftype_group_name = dict([(v,k) for k,v in mkftype_re.groupindex.items()])
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mkftype = mkftype_re.finditer(idc)
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for match in mkftype :
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for group_index,group in enumerate(match.groups()) :
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if group :
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if mkftype_group_name[group_index+1] == "fstart" :
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addr = int(group, 16)
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if mkftype_group_name[group_index+1] == "ftype" :
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for fun in functions :
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if fun.address == addr :
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fun.ftype = group
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# MakeNameEx (0xF3CA0, "return", SN_LOCAL);
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mklocal_re = re.compile("""
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(?m) # Multiline
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^[ \t]*MakeNameEx[ \t]*\(
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(?P<laddr>0[xX][\dA-Fa-f]{1,8}) # Local label address
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[ \t]*\,[ \t]*
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"(?P<lname>.*)" # Local label name
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[ \t]*\,[ \t]*SN_LOCAL
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[ \t]*\);[ \t]*$
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""", re.VERBOSE)
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mklocal_group_name = dict([(v,k) for k,v in mklocal_re.groupindex.items()])
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mklocal = mklocal_re.finditer(idc)
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for match in mklocal :
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lab = Llabel()
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for group_index,group in enumerate(match.groups()) :
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if group :
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if mklocal_group_name[group_index+1] == "laddr" :
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lab.address = int(group, 16)
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if mklocal_group_name[group_index+1] == "lname" :
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lab.name = group
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llabels.append(lab)
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# ----------------------------------------------------------------------
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def enums_parse(idc):
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pass
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# ----------------------------------------------------------------------
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def structs_parse(idc):
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pass
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# ----------------------------------------------------------------------
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def comments_parse(idc):
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# MakeComm (0XFED3D, "PCI class 0x600 - Host/PCI bridge");
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mkcomm_re = re.compile("""
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(?m) # Multiline
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^[ \t]*MakeComm[ \t]*\(
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(?P<caddr>0[xX][\dA-Fa-f]{1,8}) # Comment address
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[ \t]*\,[ \t]*
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"(?P<ctext>.*)" # Comment
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[ \t]*\);[ \t]*$
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""", re.VERBOSE)
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mkcomm_group_name = dict([(v,k) for k,v in mkcomm_re.groupindex.items()])
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mkcomm = mkcomm_re.finditer(idc)
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for match in mkcomm :
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com = Comm()
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for group_index,group in enumerate(match.groups()) :
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if group :
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if mkcomm_group_name[group_index+1] == "caddr" :
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com.address = int(group, 16)
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if mkcomm_group_name[group_index+1] == "ctext" :
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com.text = group
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comments.append(com)
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# ----------------------------------------------------------------------
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# print("af+ 0x%08lx %d %s" % (func.address, func.size, func.name))
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def generate_r2():
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for f in functions :
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if f.name != "unknown" :
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print("af+ {0} {1} {2}".format(hex(f.address), f.size, f.name))
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print("\"CCa {0} {1}\"".format(hex(f.address), f.ftype))
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for l in llabels :
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if l.name != "unknown" :
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for f in functions :
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if (l.address > f.address) and (l.address < (f.address + f.size)) :
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print("f .{0}={1}".format(l.name, hex(l.address)))
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for c in comments :
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if c.text != "" :
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print("\"CCa {0} {1}\"".format(c.address, c.text))
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# ----------------------------------------------------------------------
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def idc_parse(idc):
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enums_parse(idc)
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structs_parse(idc)
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functions_parse(idc)
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comments_parse(idc)
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generate_r2()
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if __name__ == "__main__":
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if len(sys.argv) < 2:
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print("Usage: idc2r.py input.idc > output.r2")
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sys.exit(1)
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print(sys.argv[1])
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idc_file = open(sys.argv[1], "r")
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idc = idc_file.read()
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idc_parse(idc)
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@ -21,19 +21,14 @@ static dumpMeNot(fd, ea) {
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for (func=ea; func != BADADDR && func < SegEnd(ea); func=NextFunction(func)) {
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// If the current address is function process it
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// if (GetFunctionFlags(func) != -1) {
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fprintf(fd, "f %s @ 0x%08lx\n", GetFunctionName(func), func);
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sz = FindFuncEnd(func) - func;
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fprintf(fd, "af+ 0x%08lx %d %s\n", func, sz, GetFunctionName(func));
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comment = GetFunctionCmt(func, 0);
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if (comment != "")
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fprintf(fd, "CC %s@0x%08x\n", comment, func);
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fprintf(fd, "CC framesize=%d@0x%08x\n", func, GetFrameSize(func));
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sz = FindFuncEnd(func);
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fprintf(fd, "CC bytes=0x%08lx ", func);
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for(i=func;i<sz;i++)
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fprintf(fd, "%02x ", Byte(i));
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fprintf(fd, "\n");
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// Find all code references to func
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for (ref=RfirstB(func); ref != BADADDR; ref=RnextB(func, ref)) {
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@ -72,7 +67,7 @@ static main() {
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}
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entry="";
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// Walk entrypoints
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// Walk entrypoints
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for ( i=0; ; i++ ) {
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ord = GetEntryOrdinal(i);
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if ( ord == 0 ) break;
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@ -84,7 +79,7 @@ static main() {
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// XXX last entrypoint taken as ok??
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dumpMeNot(fd, entry);
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// eof
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// eof
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fclose(fd);
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Message(file+"file generated.\n");
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