1# to activate the AOO-LLDB helper script run the line below into LLDB 2# command script import path-to-script/lldb4aoo.py 3# or activate it automatically by adding the line to ~/.lldbinit 4 5def __lldb_init_module( dbg, dict): 6 # the list of AOO specific types 7 aoo_types = ['rtl_String', 'rtl_uString', '_ByteStringData', '_UniStringData'] 8 pimpl_types = ['rtl::OString', 'rtl::OUString', 'ByteString', 'UniString'] 9 # register a helper function for each non-trivial type 10 for t in aoo_types: 11 f = 'getinfo_for_' + t.replace( '::', '_') 12 if f in globals(): 13 dbg.HandleCommand( 'type summary add %s -v -C yes -F %s.%s' % (t,__name__,f)) 14 else: 15 print( 'AOO-LLDB helper function "%s" is not yet defined: ' 16 '"%s" types cannot be displayed properly!' % (f,t)) 17 # register a generic helper function for pimpl types 18 dbg.HandleCommand( 'type summary add -F %s.%s -v -C yes -n PIMPL %s' % ( __name__,'get_pimpl_info', ' '.join(pimpl_types))) 19 20# local functions for use by the AOO-type summary providers 21 22def walk_ptrchain( v, info): 23 while v.TypeIsPointerType(): 24 n = v.GetValueAsUnsigned() 25 if n == 0: 26 info += 'NULL' 27 return (None, info) 28 else: 29 info += '0x%04X-> ' % (n) 30 v = v.Dereference() 31 return (v, info) 32 33def ret_strdata_info( v, refvar, lenvar, aryvar): 34 info = '' 35 (v, info) = walk_ptrchain( v, info) 36 if not v: 37 return info 38 r = v.GetChildMemberWithName( refvar).GetValueAsSigned() 39 l = v.GetChildMemberWithName( lenvar).GetValueAsSigned() 40 c = v.GetChildMemberWithName( aryvar) 41 L = min(l,128) 42 d = c.AddressOf().GetPointeeData( 0, L) 43 if c.GetByteSize() == 1: # assume UTF-8 44 s = ''.join([chr(x) for x in d.uint8s]) 45 else: # assume UTF-16 46 s = (u''.join([unichr(x) for x in d.uint16s])).encode('utf-8') 47 info += ('{refs=%d, len=%d, str="%s"%s}' % (r, l, s.encode('string_escape'), '...'if(l!=L)else'')) 48 return info 49 50# definitions for our individual LLDB type summary providers 51 52def get_pimpl_info( valobj, dict): 53 v = walk_ptrchain( valobj, '') 54 p = v.GetChildAtIndex(0) 55 info = v.GetName() 56 if v.GetValueAsUnsigned() == 0: 57 return '(%s==NULL)' % (info) 58 info = '(%s=0x%04X)-> ' % (info,n) 59 return info + p.Dereference().GetSummary() 60 61 62def getinfo_for_rtl_String( valobj, dict): 63 return ret_strdata_info( valobj, 'refCount', 'length', 'buffer') 64 65def getinfo_for_rtl_uString( valobj, dict): 66 return ret_strdata_info( valobj, 'refCount', 'length', 'buffer') 67 68def getinfo_for__ByteStringData( valobj, dict): 69 return ret_strdata_info( valobj, 'mnRefCount', 'mnLen', 'maStr') 70 71def getinfo_for__UniStringData( valobj, dict): 72 return ret_strdata_info( valobj, 'mnRefCount', 'mnLen', 'maStr') 73 74 75