On Wed, Mar 23, 2011 at 1:47 PM, Joe Damato <[email protected]> wrote:
>> 2. For prelinked libraries, the _r_debug.r_map list does not give you >> access to the info you need: l_map->l_addr becomes 0 for all images >> that are loaded at their desired address! > > l_addr is the difference between the on disk address in PT_LOAD and > the in memory address of the library. Yes. > AFAIK, you will have to parse > some of the headers of the library (on disk) You don't suggest we do that during the unwind, do you? Going to disk during dl_debug_state is possible, but less than ideal. > to figure out the base load address. there's no way around that. Sure there is. Glibc has that info, and dl_iterate_phdr uses it without going to disk. It's too bad glibc considers that info private and none of our business. Cheers, -- Paul Pluzhnikov _______________________________________________ Libunwind-devel mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/libunwind-devel
