Gentoo Archives: gentoo-commits

From: "Sergei Trofimovich (slyfox)" <slyfox@g.o>
To: gentoo-commits@l.g.o
Subject: [gentoo-commits] gentoo commit in src/patchsets/glibc/2.24: 00_all_0054-Avoid-.symver-on-common-symbols-BZ-21666.patch README.history
Date: Sat, 12 Aug 2017 22:29:19
Message-Id: 20170812222911.7F754770B@oystercatcher.gentoo.org
1 slyfox 17/08/12 22:29:11
2
3 Modified: README.history
4 Added:
5 00_all_0054-Avoid-.symver-on-common-symbols-BZ-21666.patch
6 Log:
7 Add upstream patch to survive building against binutils-2.29, bug #627164
8
9 Patch picked at
10 https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=388b4f1a02f3a801965028bbfcd48d905638b797
11
12 Bug: https://bugs.gentoo.org/627164
13
14 Revision Changes Path
15 1.11 src/patchsets/glibc/2.24/README.history
16
17 file : http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/glibc/2.24/README.history?rev=1.11&view=markup
18 plain: http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/glibc/2.24/README.history?rev=1.11&content-type=text/plain
19 diff : http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/glibc/2.24/README.history?r1=1.10&r2=1.11
20
21 Index: README.history
22 ===================================================================
23 RCS file: /var/cvsroot/gentoo/src/patchsets/glibc/2.24/README.history,v
24 retrieving revision 1.10
25 retrieving revision 1.11
26 diff -u -r1.10 -r1.11
27 --- README.history 12 Aug 2017 16:30:05 -0000 1.10
28 +++ README.history 12 Aug 2017 22:29:11 -0000 1.11
29 @@ -1,4 +1,7 @@
30 -9 [pending]
31 +10 [pending]
32 + + 00_all_0054-Avoid-.symver-on-common-symbols-BZ-21666.patch
33 +
34 +9 12 Aug 2017
35 U extra/etc/nsswitch.conf
36 U extra/locale/locale-gen
37
38
39
40
41 1.1 src/patchsets/glibc/2.24/00_all_0054-Avoid-.symver-on-common-symbols-BZ-21666.patch
42
43 file : http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/glibc/2.24/00_all_0054-Avoid-.symver-on-common-symbols-BZ-21666.patch?rev=1.1&view=markup
44 plain: http://sources.gentoo.org/viewvc.cgi/gentoo/src/patchsets/glibc/2.24/00_all_0054-Avoid-.symver-on-common-symbols-BZ-21666.patch?rev=1.1&content-type=text/plain
45
46 Index: 00_all_0054-Avoid-.symver-on-common-symbols-BZ-21666.patch
47 ===================================================================
48 https://bugs.gentoo.org/627164
49
50 From 388b4f1a02f3a801965028bbfcd48d905638b797 Mon Sep 17 00:00:00 2001
51 From: "H.J. Lu" <hjl.tools@×××××.com>
52 Date: Fri, 23 Jun 2017 14:38:46 -0700
53 Subject: [PATCH] Avoid .symver on common symbols [BZ #21666]
54
55 The .symver directive on common symbol just creates a new common symbol,
56 not an alias and the newer assembler with the bug fix for
57
58 https://sourceware.org/bugzilla/show_bug.cgi?id=21661
59
60 will issue an error. Before the fix, we got
61
62 $ readelf -sW libc.so | grep "loc[12s]"
63 5109: 00000000003a0608 8 OBJECT LOCAL DEFAULT 36 loc1
64 5188: 00000000003a0610 8 OBJECT LOCAL DEFAULT 36 loc2
65 5455: 00000000003a0618 8 OBJECT LOCAL DEFAULT 36 locs
66 6575: 00000000003a05f0 8 OBJECT GLOBAL DEFAULT 36 locs@GLIBC_2.2.5
67 7156: 00000000003a05f8 8 OBJECT GLOBAL DEFAULT 36 loc1@GLIBC_2.2.5
68 7312: 00000000003a0600 8 OBJECT GLOBAL DEFAULT 36 loc2@GLIBC_2.2.5
69
70 in libc.so. The versioned loc1, loc2 and locs have the wrong addresses.
71 After the fix, we got
72
73 $ readelf -sW libc.so | grep "loc[12s]"
74 6570: 000000000039e3b8 8 OBJECT GLOBAL DEFAULT 34 locs@GLIBC_2.2.5
75 7151: 000000000039e3c8 8 OBJECT GLOBAL DEFAULT 34 loc1@GLIBC_2.2.5
76 7307: 000000000039e3c0 8 OBJECT GLOBAL DEFAULT 34 loc2@GLIBC_2.2.5
77
78 [BZ #21666]
79 * misc/regexp.c (loc1): Add __attribute__ ((nocommon));
80 (loc2): Likewise.
81 (locs): Likewise.
82 ---
83 ChangeLog | 7 +++++++
84 misc/regexp.c | 9 +++++----
85 2 files changed, 12 insertions(+), 4 deletions(-)
86
87 diff --git a/misc/regexp.c b/misc/regexp.c
88 index 19d76c0c37..eaea7c3b89 100644
89 --- a/misc/regexp.c
90 +++ b/misc/regexp.c
91 @@ -29,14 +29,15 @@
92
93 #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_23)
94
95 -/* Define the variables used for the interface. */
96 -char *loc1;
97 -char *loc2;
98 +/* Define the variables used for the interface. Avoid .symver on common
99 + symbol, which just creates a new common symbol, not an alias. */
100 +char *loc1 __attribute__ ((nocommon));
101 +char *loc2 __attribute__ ((nocommon));
102 compat_symbol (libc, loc1, loc1, GLIBC_2_0);
103 compat_symbol (libc, loc2, loc2, GLIBC_2_0);
104
105 /* Although we do not support the use we define this variable as well. */
106 -char *locs;
107 +char *locs __attribute__ ((nocommon));
108 compat_symbol (libc, locs, locs, GLIBC_2_0);
109
110
111 --
112 2.14.1