From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Berlin To: Daniel Jacobowitz Cc: , Subject: Re: [dmj+@andrew.cmu.edu: Re: C++ debugging progress] Date: Wed, 28 Nov 2001 12:56:00 -0000 Message-ID: References: <20011128151908.A1036@nevyn.them.org> X-SW-Source: 2001-11/msg00323.html Message-ID: <20011128125600.113p_6NYFP1Q_6ai8sYOqrXcgbV18gcYfyntKNdLEZo@z> On Wed, 28 Nov 2001, Daniel Jacobowitz wrote: > Feh. Meant to send this to the lists. > > ----- Forwarded message from Daniel Jacobowitz ----- > > Date: Wed, 28 Nov 2001 15:18:19 -0500 > From: Daniel Jacobowitz > Subject: Re: C++ debugging progress > To: Jason Merrill > > On Wed, Nov 28, 2001 at 07:40:37PM +0000, Jason Merrill wrote: > > >>>>> "Daniel" == Daniel Jacobowitz writes: > > > > > On Wed, Nov 28, 2001 at 09:31:07AM +0000, Jason Merrill wrote: > > > > >> So you're using the inheritance information in the RTTI rather than the debug > > >> info? That seems unfortunate. I'm not sure why you would need to worry > > >> about ordering; the debug info should tell you exactly where things are. > > >> If it doesn't, it should probably be fixed. > > > > > In that case, the debug info absolutely needs to be fixed. > > > > > <1><22e>: Abbrev Number: 15 (DW_TAG_structure_type) > > > DW_AT_sibling : <2df> > > > DW_AT_name : Left > > > DW_AT_byte_size : 12 > > > DW_AT_decl_file : 1 > > > DW_AT_decl_line : 2 > > > DW_AT_containing_type: <22e> > > > <2><23f>: Abbrev Number: 22 (DW_TAG_inheritance) > > > DW_AT_type : <56> > > > DW_AT_data_member_location: 2 byte block: 23 8 (DW_OP_plus_uconst: 8; ) > > > DW_AT_virtuality : 1 (virtual) > > > DW_AT_accessibility: 1 (public) > > > > Yep. Since Base is a virtual base of Left, the DW_AT_data_member_location > > here should be a complex expression telling the debugger to go through the > > vtable. I'll get on it. > > Thanks! The small problem may be that we may not be able to handle it in gdb, depending on how complex it is. --Dan