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From: Ben Collins <bcollins@debian.org>
To: parisc-linux@lists.parisc-linux.org, randolph@tausq.org
Subject: [parisc-linux] Re: Fix for hppa-linux ld.so with newer binutils
Date: Sat, 20 Oct 2001 09:54:06 -0400	[thread overview]
Message-ID: <20011020095406.L10952@visi.net> (raw)
In-Reply-To: <20011020170907.G1037@bubble.sa.bigpond.net.au>

On Sat, Oct 20, 2001 at 05:09:07PM +0930, Alan Modra wrote:
> Newer binutils don't initialise .got entries for global syms, so the
> scheme used by sysdeps/hppa/dl-machine.h:elf_machine_dynamic to find
> the address of .dynamic no longer works.
> 
> ChangeLog
> 	* sysdeps/hppa/dl-machine.h (elf_machine_dynamic):  Make it a
> 	const function.  Do not use &_DYNAMIC as .got entries for global
> 	syms are no longer initialised.  Instead they rely on the reloc,
> 	which hasn't yet been applied.
> 	(elf_machine_load_address): Make it const.  Call
> 	elf_machine_dynamic as that function is called fropm rtld anyway.

Is this the fix for a newly built ld.so segfaulting? If so, there seems
to be something else wrong too. Newly built ld.so still segfaults,
here's the gdb:

Starting program: /usr/src/glibc/glibc-2.2.4/./hppa-linux/obj/elf/ld.so

Program received signal SIGSEGV, Segmentation fault.
0x41003298 in _dl_start_final (arg=0xbff00414, bootstrap_map_p=0xbff00508, start_time=1090519040)
    at rtld.c:233
233       _dl_rtld_map.l_addr = bootstrap_map_p->l_addr;
(gdb) print bootstrap_map_p
$1 = (struct link_map *) 0xbff00508
(gdb) print bootstrap_map_p->l_addr
$2 = 1090519040
(gdb) print &_dl_rtld_map
$3 = (struct link_map *) 0x41029270
(gdb) print _dl_rtld_map.l_addr
$4 = 0


This is with binutils 2.11.92.0.7 and gcc-3.0.2 snapshot from 9-22-2001
(latest Debian packages available). I can give you more info if you need
it.

-- 
 .----------=======-=-======-=========-----------=====------------=-=-----.
/                   Ben Collins    --    Debian GNU/Linux                  \
`  bcollins@debian.org  --  bcollins@openldap.org  --  bcollins@linux.com  '
 `---=========------=======-------------=-=-----=-===-======-------=--=---'

  reply	other threads:[~2001-10-20 13:54 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-10-20  7:39 [parisc-linux] Fix for hppa-linux ld.so with newer binutils Alan Modra
2001-10-20 13:54 ` Ben Collins [this message]
2001-10-20 14:34   ` [parisc-linux] " Alan Modra
2001-10-20 15:01     ` Ben Collins
2001-10-24 23:51       ` Ben Collins
2001-10-25  0:56         ` Randolph Chung
2001-10-25  1:12           ` Ben Collins
2001-10-25 15:07         ` Matthew Wilcox
2001-10-25 15:50           ` Ben Collins
2001-10-22  3:44     ` Alan Modra
2001-10-20 18:01 ` [parisc-linux] " Carlos O'Donell Jr.
2001-10-21 11:20   ` Alan Modra
2001-10-22 14:05 ` [parisc-linux] " Alan Modra
2001-10-22 16:04   ` Carlos O'Donell Jr.
2001-10-22 16:11     ` Alan Modra
2001-10-23  1:31   ` Ben Collins
2001-10-23  1:59     ` Randolph Chung

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