From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: Content-Type: text/plain; charset=us-ascii MIME-Version: 1.0 In-Reply-To: <3685BC4F.EB0D2158@jlc.net> Date: Sun, 27 Dec 1998 12:05:22 -0000 (GMT) From: Gary Thomas To: Dan Malek Subject: RE: Need ld.so help Cc: linuxppc-dev Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: On 27-Dec-98 Dan Malek wrote: > > I discovered the problem I am having with the embedded 8xx > processors and cache is that there are several assumptions > about cache block size in various functions. The 8xx processors > have a 4 word (16 byte) cache line while other PPCs have > a 8 word line. This causes problems when trying to flush and > invalidate caches. > > One place this is done is dynamic linking functions of ld.so, > where it is assumed a cache line is 8 words. Unfortunately, > I have been unable to build ld.so from the glibc SRPM. I am > using the 961212-1h SRPM from the linuxppc.org server, and > the appropriate egcs and binutils. All of the other libraries > I build from this SRPM are fine. From looking at the RPM of > the same version, all of the resulting *.so files appear to be > nearly identical, except for ld.so which is much larger than > found in the RPM. > > The details....I have tracked it down to the elf_get_dynamic_info() > function, called from _dl_start(). The failure occurs following > the 'while' loop. It appears info[DT_RELA] is OK, or at least > not NULL. However, info[DT_RELAENT] is NULL, causing the > program to segfault at this point. > > I don't understand enough about the libraries to know where to > look from here, so I need some help :-) > > Oh yeah, the SRPM didn't build quite right. I had to hand patch > stdlib/exit.c..... > I'm confused. Are all of these problems attributable to the cache-line size stuff? Or are there other problems? I [obviously] build the libraries directly from the SRPMS, so I'd like to understand what your problems are. Which software pieces are you running? EGCS? BINUTILS? GLIBC? Kernel? ------------------------------------------------------------------------ Gary Thomas | email: gdt@linuxppc.org | "Fine wine is a necessity of ... opinions expressed here are mine | life for me" and no one else would claim them! | | Thomas Jefferson ------------------------------------------------------------------------ [[ This message was sent via the linuxppc-dev mailing list. Replies are ]] [[ not forced back to the list, so be sure to Cc linuxppc-dev if your ]] [[ reply is of general interest. To unsubscribe from linuxppc-dev, send ]] [[ the message 'unsubscribe' to linuxppc-dev-request@lists.linuxppc.org ]]