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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2020-04-24 11:09:00 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2020-07-07 14:10:58 -0300
commitb1ccfc061feee9ce616444ded8e1cd5acf9fa97f (patch)
treefc6cf960f68245bcbf045df47955c253a94504d8 /sysdeps/unix/sysv/linux/siglist.h
parente4e11b1dba261cb650e631978622bf3b4a4d8c37 (diff)
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signal: Move sys_siglist to a compat symbol
The symbol was deprecated by strsignal and its usage imposes issues
such as copy relocations.

Its internal name is changed to __sys_siglist and __sys_sigabbrev to
avoid static linking usage.  The compat code is also refactored, since
both Linux and Hurd usage the same strategy: export the same array with
different object sizes.

The libSegfault change avoids calling strsignal on the SIGFAULT signal
handler (the current usage is already sketchy, adding a call that
potentially issue locale internal function is even sketchier).

Checked on x86_64-linux-gnu and i686-linux-gnu. I also run a check-abi
on all affected platforms.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'sysdeps/unix/sysv/linux/siglist.h')
-rw-r--r--sysdeps/unix/sysv/linux/siglist.h24
1 files changed, 0 insertions, 24 deletions
diff --git a/sysdeps/unix/sysv/linux/siglist.h b/sysdeps/unix/sysv/linux/siglist.h
deleted file mode 100644
index 6ff2c613ad..0000000000
--- a/sysdeps/unix/sysv/linux/siglist.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* Copyright (C) 1996-2020 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
-   <https://www.gnu.org/licenses/>.  */
-
-/* This file is included multiple times.  */
-
-#include_next <siglist.h>	/* Get the canonical list.  */
-
-#define	OLD_SIGLIST_SIZE	32 /* For GLIBC_2.0 binary compatibility.  */
-
-#define OLD2_SIGLIST_SIZE	64 /* For GLIBC_2.1 binary compatibility.  */