public inbox for glibc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/19178] New: ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA conflict
Date: Wed, 28 Oct 2015 10:33:00 -0000 [thread overview]
Message-ID: <bug-19178-131@http.sourceware.org/bugzilla/> (raw)
https://sourceware.org/bugzilla/show_bug.cgi?id=19178
Bug ID: 19178
Summary: ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA conflict
Product: glibc
Version: 2.22
Status: NEW
Severity: normal
Priority: P2
Component: dynamic-link
Assignee: unassigned at sourceware dot org
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
sysdeps/generic/ldsodefs.h has
#define ELF_RTYPE_CLASS_PLT 1
#ifndef DL_NO_COPY_RELOCS
# define ELF_RTYPE_CLASS_COPY 2
#else
# define ELF_RTYPE_CLASS_COPY 0
#endif
/* If DL_EXTERN_PROTECTED_DATA is defined, address of protected data
defined in the shared library may be external, i.e., due to copy
relocation. */
#ifdef DL_EXTERN_PROTECTED_DATA
# define ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA 4
#else
# define ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA 0
#endif
and _dl_debug_bindings in elf/dl-lookup.c has
if (value->s)
{
if (__glibc_unlikely (ELFW(ST_TYPE) (value->s->st_info)
== STT_TLS))
type_class = 4;
else if (__glibc_unlikely (ELFW(ST_TYPE) (value->s->st_info)
== STT_GNU_IFUNC))
type_class |= 8;
}
if (conflict
|| GLRO(dl_trace_prelink_map) == undef_map
|| GLRO(dl_trace_prelink_map) == NULL
|| type_class >= 4)
{
--
You are receiving this mail because:
You are on the CC list for the bug.
next reply other threads:[~2015-10-28 10:33 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-28 10:33 hjl.tools at gmail dot com [this message]
2015-10-28 11:48 ` [Bug dynamic-link/19178] " cvs-commit at gcc dot gnu.org
2015-10-28 13:41 ` hjl.tools at gmail dot com
2015-10-28 14:37 ` mark.hatle at windriver dot com
2015-10-28 14:59 ` hjl.tools at gmail dot com
2015-10-28 15:01 ` [Bug dynamic-link/19178] ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA confuses prelink hjl.tools at gmail dot com
2015-10-28 15:17 ` hjl.tools at gmail dot com
2015-10-28 15:17 ` cvs-commit at gcc dot gnu.org
2015-10-28 15:40 ` mark.hatle at windriver dot com
2015-10-28 15:43 ` mark.hatle at windriver dot com
2015-10-28 15:55 ` mark.hatle at windriver dot com
2015-10-28 15:58 ` hjl.tools at gmail dot com
2015-10-28 17:05 ` cvs-commit at gcc dot gnu.org
2015-10-29 2:29 ` cvs-commit at gcc dot gnu.org
2021-01-27 14:40 ` cvs-commit at gcc dot gnu.org
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=bug-19178-131@http.sourceware.org/bugzilla/ \
--to=sourceware-bugzilla@sourceware.org \
--cc=glibc-bugs@sourceware.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).