On Sun, Aug 1, 2010 at 11:53 PM, patrick keshishian <pkesh...@gmail.com> wrote: > On Sun, Aug 1, 2010 at 11:12 PM, Matthieu Herrb <mhe...@gmail.com> wrote: >> On Mon, Aug 2, 2010 at 7:24 AM, patrick keshishian <pkesh...@gmail.com> wrote: >>> Hi, >>> >>> On Fri, Jul 30, 2010 at 5:49 AM, David Coppa <dco...@gmail.com> wrote: >> >>> Reading symbols from /usr/libexec/ld.so...done. >>> Loaded symbols for /usr/libexec/ld.so >>> #0 0x221152f8 in dlsym () from /usr/libexec/ld.so >>> (gdb) bt full >>> #0 0x221152f8 in dlsym () from /usr/libexec/ld.so >>> No symbol table info available. >>> #1 0x2214af94 in ?? () from /usr/libexec/ld.so >>> No symbol table info available. >>> #2 0x2214af94 in ?? () from /usr/libexec/ld.so >>> No symbol table info available. >>> Previous frame identical to this frame (corrupt stack?) >>> >>> >>> >>> [2] Very simple program that calls dlopen() >>> $ ./so_loader >>> $ echo $? >>> 20 >>> $ gdb so_loader >>> GNU gdb 6.3 >>> Copyright 2004 Free Software Foundation, Inc. >>> GDB is free software, covered by the GNU General Public License, and you are >>> welcome to change it and/or distribute copies of it under certain conditions. >>> Type "show copying" to see the conditions. >>> There is absolutely no warranty for GDB. Type "show warranty" for details. >>> This GDB was configured as "powerpc-unknown-openbsd4.7"... >>> (gdb) break main >>> Breakpoint 1 at 0x1800a64: file so_loader.c, line 35. >>> (gdb) r >>> Starting program: /home/sidster/src/so_loader >>> >>> Breakpoint 1, main (argc=1, argv=0xfffdd2c4) at so_loader.c:35 >>> 35 dh = dlopen(SOFILE, RTLD_NOW); >>> (gdb) n >>> >>> Program exited with code 024. >>> >>> >> >> >> This problem was identified as a gcc4 problem, mis-compiling ld.so. >> The following commit fixes it.
umm.. the problem remains. unless i misunderstood what was fixed. ff3.6.8 crashes as before and my test program still exits abnormally. --patrick > > Excellent news! I'll wait for my mirror of choice to pick up this change. > > Thanks for the update, > --patrick > > >>> Date: Sun, 1 Aug 2010 11:55:28 -0600 (MDT) >>> From: Mark Kettenis <kette...@cvs.openbsd.org> >>> To: source-chan...@cvs.openbsd.org >>> Subject: CVS: cvs.openbsd.org: src >>> >>> CVSROOT: /cvs >>> Module name: src >>> Changes by: kette...@cvs.openbsd.org 2010/08/01 11:55:28 >>> >>> Modified files: >>> gnu/gcc/gcc/config/rs6000: rs6000.c >>> >>> Log message: >>> Make __builtin_return_address(0) work with -fstack-protector. Old diff >>> from Jakub Jelinek that never made it into upstream GCC. Fixes ld.so. >>> Found by drahn@ and me; ok miod@ >> >> -- >> Matthieu Herrb
