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-rw-r--r--sysdeps/unix/sysv/linux/Versions10
-rw-r--r--sysdeps/unix/sysv/linux/alpha/Versions12
-rw-r--r--sysdeps/unix/sysv/linux/alpha/errlist-compat.c43
-rw-r--r--sysdeps/unix/sysv/linux/errlist-compat.c39
-rw-r--r--sysdeps/unix/sysv/linux/errlist-compat.h43
-rw-r--r--sysdeps/unix/sysv/linux/hppa/Versions10
-rw-r--r--sysdeps/unix/sysv/linux/hppa/errlist-compat.c39
-rw-r--r--sysdeps/unix/sysv/linux/mips/Versions7
-rw-r--r--sysdeps/unix/sysv/linux/mips/errlist-compat.c (renamed from sysdeps/unix/sysv/linux/bits/sys_errlist.h)21
-rw-r--r--sysdeps/unix/sysv/linux/sparc/Versions10
-rw-r--r--sysdeps/unix/sysv/linux/sparc/errlist-compat.c43
11 files changed, 215 insertions, 62 deletions
diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions
index 52ca223ab2..f72741b7e5 100644
--- a/sysdeps/unix/sysv/linux/Versions
+++ b/sysdeps/unix/sysv/linux/Versions
@@ -1,9 +1,4 @@
 libc {
-  # The comment lines with "#errlist-compat" are magic; see errlist-compat.awk.
-  # When you get an error from errlist-compat.awk, you need to add a new
-  # version here.  Don't do this blindly, since this means changing the ABI
-  # for all GNU/Linux configurations.
-
   GLIBC_2.0 {
     # functions used in inline functions or macros
     __cmsg_nxthdr;
@@ -56,7 +51,6 @@ libc {
     # u*
     umount; uselib;
 
-    #errlist-compat	123
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.1 {
@@ -84,7 +78,6 @@ libc {
     # u*
     umount2;
 
-    #errlist-compat	125
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.2 {
@@ -102,7 +95,6 @@ libc {
     # r*
     readahead;
 
-    #errlist-compat	126
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.3.2 {
@@ -120,7 +112,6 @@ libc {
 
     unshare;
 
-    #errlist-compat	132
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.5 {
@@ -142,7 +133,6 @@ libc {
     fallocate;
   }
   GLIBC_2.12 {
-    #errlist-compat	135
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
 
     ntp_gettimex;
diff --git a/sysdeps/unix/sysv/linux/alpha/Versions b/sysdeps/unix/sysv/linux/alpha/Versions
index 3b7971c2a3..b90d5f2e5a 100644
--- a/sysdeps/unix/sysv/linux/alpha/Versions
+++ b/sysdeps/unix/sysv/linux/alpha/Versions
@@ -1,12 +1,5 @@
 libc {
-  # The comment lines with "#errlist-compat" are magic; see
-  # sysdeps/gnu/errlist-compat.awk.
-  # When you get an error from errlist-compat.awk, you need to add a new
-  # version here.  Don't do this blindly, since this means changing the ABI
-  # for all GNU/Linux configurations.
-
   GLIBC_2.0 {
-    #errlist-compat	131
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
 
     # Unfortunately in wider use.
@@ -33,7 +26,6 @@ libc {
     pciconfig_read; pciconfig_write; sethae;
   }
   GLIBC_2.1 {
-    #errlist-compat	131
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
 
     # Linux/Alpha 64-bit timeval functions.
@@ -70,19 +62,15 @@ libc {
     wordexp;
   }
   GLIBC_2.3 {
-    #errlist-compat	132
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.4 {
-    #errlist-compat	138
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.12 {
-    #errlist-compat	139
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.16 {
-    #errlist-compat	140
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.27 {
diff --git a/sysdeps/unix/sysv/linux/alpha/errlist-compat.c b/sysdeps/unix/sysv/linux/alpha/errlist-compat.c
new file mode 100644
index 0000000000..709807aa6b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/errlist-compat.c
@@ -0,0 +1,43 @@
+/* Linux sys_errlist compat symbol definitions.  Alpha version.
+   Copyright (C) 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/>.  */
+
+#include <errlist-compat.h>
+
+#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
+DEFINE_COMPAT_ERRLIST (131, GLIBC_2_0)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_3)
+DEFINE_COMPAT_ERRLIST (131, GLIBC_2_1)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_3, GLIBC_2_4)
+DEFINE_COMPAT_ERRLIST (132, GLIBC_2_3)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_4, GLIBC_2_12)
+DEFINE_COMPAT_ERRLIST (138, GLIBC_2_4)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_12, GLIBC_2_16)
+DEFINE_COMPAT_ERRLIST (139, GLIBC_2_12)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_16, GLIBC_2_32)
+DEFINE_COMPAT_ERRLIST (140, GLIBC_2_16)
+#endif
diff --git a/sysdeps/unix/sysv/linux/errlist-compat.c b/sysdeps/unix/sysv/linux/errlist-compat.c
new file mode 100644
index 0000000000..c4d79b70aa
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/errlist-compat.c
@@ -0,0 +1,39 @@
+/* Linux sys_errlist compat symbol definitions.  Generic version.
+   Copyright (C) 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/>.  */
+
+#include <errlist-compat.h>
+
+#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
+DEFINE_COMPAT_ERRLIST (123, GLIBC_2_0)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_3)
+DEFINE_COMPAT_ERRLIST (125, GLIBC_2_1)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_3, GLIBC_2_4)
+DEFINE_COMPAT_ERRLIST (126, GLIBC_2_3)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_4, GLIBC_2_12)
+DEFINE_COMPAT_ERRLIST (132, GLIBC_2_4)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_12, GLIBC_2_32)
+DEFINE_COMPAT_ERRLIST (135, GLIBC_2_12)
+#endif
diff --git a/sysdeps/unix/sysv/linux/errlist-compat.h b/sysdeps/unix/sysv/linux/errlist-compat.h
new file mode 100644
index 0000000000..edd35fd4ed
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/errlist-compat.h
@@ -0,0 +1,43 @@
+/* Linux sys_errlist compatibility macro definitions.
+   Copyright (C) 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/>.  */
+
+#ifndef _ERRLIST_COMPAT_H
+#define _ERRLIST_COMPAT_H
+
+#include <shlib-compat.h>
+
+/* Define new compat symbols for symbols  _sys_errlist, sys_errlist,
+   _sys_nerr, and sys_nerr for version VERSION with NUMBERERR times number of
+   bytes per long int size.
+   Both _sys_errlist and sys_errlist alias to _sys_errlist_internal symbol
+   (defined on errlist.c) while _sys_nerr and sys_nerr created new variable
+   with the expected size.  */
+#define DEFINE_COMPAT_ERRLIST(NUMBERERR, VERSION) 			     \
+  const int __##VERSION##_sys_nerr = NUMBERERR;				     \
+  strong_alias (__##VERSION##_sys_nerr, __##VERSION##__sys_nerr); 	     \
+  declare_symbol_alias (__ ## VERSION ## _sys_errlist, _sys_errlist_internal,\
+			object, NUMBERERR * (ULONG_WIDTH / UCHAR_WIDTH));    \
+  declare_symbol_alias (__ ## VERSION ## __sys_errlist,			     \
+			_sys_errlist_internal, object,			     \
+			NUMBERERR * (ULONG_WIDTH / UCHAR_WIDTH));	     \
+  compat_symbol (libc, __## VERSION ## _sys_nerr, sys_nerr, VERSION);	     \
+  compat_symbol (libc, __## VERSION ## __sys_nerr, _sys_nerr, VERSION);      \
+  compat_symbol (libc, __## VERSION ## _sys_errlist, sys_errlist, VERSION);  \
+  compat_symbol (libc, __## VERSION ## __sys_errlist, _sys_errlist, VERSION);\
+
+#endif
diff --git a/sysdeps/unix/sysv/linux/hppa/Versions b/sysdeps/unix/sysv/linux/hppa/Versions
index b5098b2171..9532d207fc 100644
--- a/sysdeps/unix/sysv/linux/hppa/Versions
+++ b/sysdeps/unix/sysv/linux/hppa/Versions
@@ -1,11 +1,5 @@
 libc {
-  # The comment lines with "#errlist-compat" are magic; see errlist-compat.awk.
-  # When you get an error from errlist-compat.awk, you need to add a new
-  # version here.  Don't do this blindly, since this means changing the ABI
-  # for all GNU/Linux configurations.
-
   GLIBC_2.1 {
-    #errlist-compat	253
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.2 {
@@ -13,22 +7,18 @@ libc {
     getrlimit; setrlimit; getrlimit64; setrlimit64;
   }
   GLIBC_2.3 {
-    #errlist-compat	254
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.4 {
-    #errlist-compat	256
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.11 {
     fallocate64;
   }
   GLIBC_2.12 {
-    #errlist-compat	257
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.17 {
-    #errlist-compat	260
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
     prlimit64;
   }
diff --git a/sysdeps/unix/sysv/linux/hppa/errlist-compat.c b/sysdeps/unix/sysv/linux/hppa/errlist-compat.c
new file mode 100644
index 0000000000..65860d884c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/hppa/errlist-compat.c
@@ -0,0 +1,39 @@
+/* Linux sys_errlist compat symbol definitions.  HPPA version.
+   Copyright (C) 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/>.  */
+
+#include <errlist-compat.h>
+
+#if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_3)
+DEFINE_COMPAT_ERRLIST (253, GLIBC_2_1)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_3, GLIBC_2_4)
+DEFINE_COMPAT_ERRLIST (254, GLIBC_2_3)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_4, GLIBC_2_12)
+DEFINE_COMPAT_ERRLIST (256, GLIBC_2_4)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_12, GLIBC_2_17)
+DEFINE_COMPAT_ERRLIST (257, GLIBC_2_12)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_17, GLIBC_2_32)
+DEFINE_COMPAT_ERRLIST (260, GLIBC_2_17)
+#endif
diff --git a/sysdeps/unix/sysv/linux/mips/Versions b/sysdeps/unix/sysv/linux/mips/Versions
index 453f276aad..0ec82dc480 100644
--- a/sysdeps/unix/sysv/linux/mips/Versions
+++ b/sysdeps/unix/sysv/linux/mips/Versions
@@ -5,13 +5,7 @@ ld {
   }
 }
 libc {
-  # The comment lines with "#errlist-compat" are magic; see errlist-compat.awk.
-  # When you get an error from errlist-compat.awk, you need to add a new
-  # version here.  Don't do this blindly, since this means changing the ABI
-  # for all GNU/Linux configurations.
-
   GLIBC_2.0 {
-    #errlist-compat	123
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
 
     # Exception handling support functions from libgcc
@@ -28,7 +22,6 @@ libc {
     sysmips;
   }
   GLIBC_2.2 {
-    #errlist-compat	1134
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
 
     # _*
diff --git a/sysdeps/unix/sysv/linux/bits/sys_errlist.h b/sysdeps/unix/sysv/linux/mips/errlist-compat.c
index d6f5fa0a5e..b720db9244 100644
--- a/sysdeps/unix/sysv/linux/bits/sys_errlist.h
+++ b/sysdeps/unix/sysv/linux/mips/errlist-compat.c
@@ -1,5 +1,5 @@
-/* Declare sys_errlist and sys_nerr, or don't.  Compatibility (do) version.
-   Copyright (C) 2002-2020 Free Software Foundation, Inc.
+/* Linux sys_errlist compat symbol definitions.  MIPS version.
+   Copyright (C) 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
@@ -16,17 +16,12 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#ifndef _STDIO_H
-# error "Never include <bits/sys_errlist.h> directly; use <stdio.h> instead."
-#endif
-
-/* sys_errlist and sys_nerr are deprecated.  Use strerror instead.  */
+#include <errlist-compat.h>
 
-#ifdef  __USE_MISC
-extern int sys_nerr;
-extern const char *const sys_errlist[];
+#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)
+DEFINE_COMPAT_ERRLIST (123, GLIBC_2_0)
 #endif
-#ifdef  __USE_GNU
-extern int _sys_nerr;
-extern const char *const _sys_errlist[];
+
+#if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_32)
+DEFINE_COMPAT_ERRLIST (1134, GLIBC_2_1)
 #endif
diff --git a/sysdeps/unix/sysv/linux/sparc/Versions b/sysdeps/unix/sysv/linux/sparc/Versions
index f056addee6..61e57fae99 100644
--- a/sysdeps/unix/sysv/linux/sparc/Versions
+++ b/sysdeps/unix/sysv/linux/sparc/Versions
@@ -1,30 +1,20 @@
 libc {
-  # The comment lines with "#errlist-compat" are magic; see errlist-compat.awk.
-  # When you get an error from errlist-compat.awk, you need to add a new
-  # version here.
-
   GLIBC_2.0 {
-    #errlist-compat	127
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.1 {
-    #errlist-compat	127
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.3 {
-    #errlist-compat	128
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.4 {
-    #errlist-compat	134
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.12 {
-    #errlist-compat	135
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.16 {
-    #errlist-compat	136
     _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
 
     __getshmlba;
diff --git a/sysdeps/unix/sysv/linux/sparc/errlist-compat.c b/sysdeps/unix/sysv/linux/sparc/errlist-compat.c
new file mode 100644
index 0000000000..43fc364add
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/errlist-compat.c
@@ -0,0 +1,43 @@
+/* Linux sys_errlist compat symbol definitions.  Sparc version.
+   Copyright (C) 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/>.  */
+
+#include <errlist-compat.h>
+
+#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
+DEFINE_COMPAT_ERRLIST (127, GLIBC_2_0)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_3)
+DEFINE_COMPAT_ERRLIST (127, GLIBC_2_1)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_3, GLIBC_2_4)
+DEFINE_COMPAT_ERRLIST (128, GLIBC_2_3)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_4, GLIBC_2_12)
+DEFINE_COMPAT_ERRLIST (134, GLIBC_2_4)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_12, GLIBC_2_16)
+DEFINE_COMPAT_ERRLIST (135, GLIBC_2_12)
+#endif
+
+#if SHLIB_COMPAT (libc, GLIBC_2_16, GLIBC_2_32)
+DEFINE_COMPAT_ERRLIST (136, GLIBC_2_16)
+#endif