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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2018-07-28 15:12:42 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2018-07-28 15:12:42 +0200
commitaf86087f02a5522d8801a11d8381e04f95e33162 (patch)
tree3931e424023cbdc864b7f9ac1a35095a5272bb1c
parent99bc62413665dbfcc2c9ec0434bd668323f422e8 (diff)
hurd: Fix some ld.so symbol override from libc
ld.so symbols to be overriden by libc need to be extern to really get overriden. * sysdeps/mach/hurd/not-errno.h: New file. * sysdeps/mach/hurd/i386/localplt.data: Update accordingly.
-rw-r--r--ChangeLog1
-rw-r--r--sysdeps/mach/hurd/i386/localplt.data2
-rw-r--r--sysdeps/mach/hurd/not-errno.h21
3 files changed, 23 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 5885a61901..5f82d00b69 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,7 @@
* sysdeps/mach/hurd/dl-unistd.h (__access, __brk, __lseek, __read,
__sbrk): Do not set attribute_hidden.
+ * sysdeps/mach/hurd/not-errno.h: New file.
* sysdeps/mach/hurd/i386/ld.abilist: Update accordingly.
* sysdeps/mach/hurd/i386/localplt.data: Update accordingly.
diff --git a/sysdeps/mach/hurd/i386/localplt.data b/sysdeps/mach/hurd/i386/localplt.data
index 78f8c877c6..a5b5241b84 100644
--- a/sysdeps/mach/hurd/i386/localplt.data
+++ b/sysdeps/mach/hurd/i386/localplt.data
@@ -33,7 +33,7 @@ ld.so: __mmap
ld.so: __fxstat64
ld.so: __xstat64
#ld.so: __access
-#ld.so: __access_noerrno
+ld.so: __access_noerrno
ld.so: __getpid
#ld.so: __getcwd
ld.so: __sbrk
diff --git a/sysdeps/mach/hurd/not-errno.h b/sysdeps/mach/hurd/not-errno.h
new file mode 100644
index 0000000000..838a5abc69
--- /dev/null
+++ b/sysdeps/mach/hurd/not-errno.h
@@ -0,0 +1,21 @@
+/* Syscall wrapper that do not set errno. Generic version.
+ Copyright (C) 2017-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* The __access_noerrno stub mustn't be hidden in ld.so on Hurd since it needs
+ to be preempted by __access_noerrno from libc.so after bootstrap. */
+extern __typeof (__access) __access_noerrno;