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[PATCH] Fix dladdr on hppa

From: John David Anglin <dave dot anglin at bell dot net>
To: GNU C Library <libc-alpha at sourceware dot org>
Cc: Carlos O'Donell <carlos at redhat dot com>, Mike Frysinger <vapier at gentoo dot org>, Helge Deller <deller at gmx dot de>
Date: Sat, 2 Jan 2016 09:48:18 -0500
Subject: [PATCH] Fix dladdr on hppa
Authentication-results: sourceware.org; auth=none

The attached patch fixes dladdr on hppa.

Instead of using the generic version of _dl_lookup_address, we use an implementation more or less modelled
after __canonicalize_funcptr_for_compare() in gcc.  The function pointer is analyzed and if it points to the trampoline
used to call _dl_runtime_resolve just before the global offset table, then we call _dl_fixup to resolve the function
pointer.  Then, we return the instruction pointer from the first word of the descriptor.

The change fixes the testcase provided in [BZ #19415] and the Debian nss package now builds successfully.

Please install if okay.

Thanks,
Dave
--
John David Anglin	dave.anglin@bell.net

Attachment: submitted-dladdr.diff.txt
Description: Text document

Follow-Ups:
- Re: [PATCH] Fix dladdr on hppa
  - From: Mike Frysinger
- Re: [PATCH] Fix dladdr on hppa
  - From: Carlos O'Donell

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