Linux: Move aio_cancel, aio_cancel64 into libc

The symbols were moved using scripts/move-symbol-to-libc.py.

A version placeholder symbol is needed on alpha and sparc because
of the additional symbols formerly at version GLIBC_2.3.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>:

5 files changed, 53 insertions, 17 deletions

diff --git a/sysdeps/unix/sysv/linux/alpha/Versions b/sysdeps/unix/sysv/linux/alpha/Versions
index b113cb60e4..db6116a890 100644
--- a/sysdeps/unix/sysv/linux/alpha/Versions
+++ b/sysdeps/unix/sysv/linux/alpha/Versions
@@ -62,7 +62,12 @@ libc {
     wordexp;
   }
   GLIBC_2.3 {
-    _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
+    _sys_errlist;
+    _sys_nerr;
+    aio_cancel64;
+    aio_cancel;
+    sys_errlist;
+    sys_nerr;
   }
   GLIBC_2.3.3 {
     # Changed PTHREAD_STACK_MIN.
@@ -81,6 +86,9 @@ libc {
   GLIBC_2.27 {
     getrlimit; setrlimit; getrlimit64; setrlimit64;
   }
+  GLIBC_2.34 {
+    aio_cancel64;
+  }
   GLIBC_PRIVATE {
     __libc_alpha_cache_shape;
   }
@@ -92,8 +100,7 @@ ld {
 }
 librt {
   GLIBC_2.3 {
-    # AIO functions.
-    aio_cancel; aio_cancel64;
+    __librt_version_placeholder;
   }
   GLIBC_2.3.3 {
     # Changed timer_t.
diff --git a/sysdeps/unix/sysv/linux/alpha/aio_cancel.c b/sysdeps/unix/sysv/linux/alpha/aio_cancel.c
index 9f69b080ed..6e4352a9a4 100644
--- a/sysdeps/unix/sysv/linux/alpha/aio_cancel.c
+++ b/sysdeps/unix/sysv/linux/alpha/aio_cancel.c
@@ -8,26 +8,28 @@
 extern __typeof (aio_cancel) __new_aio_cancel;
 extern __typeof (aio_cancel) __old_aio_cancel;
 
-#define aio_cancel	__new_aio_cancel
+#define __aio_cancel	__new_aio_cancel
 
 #include <rt/aio_cancel.c>
 
-#undef aio_cancel
-strong_alias (__new_aio_cancel, __new_aio_cancel64);
-versioned_symbol (librt, __new_aio_cancel, aio_cancel, GLIBC_2_3);
-versioned_symbol (librt, __new_aio_cancel64, aio_cancel64, GLIBC_2_3);
+#undef __aio_cancel
+versioned_symbol (libc, __new_aio_cancel, aio_cancel, GLIBC_2_34);
+versioned_symbol (libc, __new_aio_cancel, aio_cancel64, GLIBC_2_34);
+#if OTHER_SHLIB_COMPAT (librt, GLIBC_2_3, GLIBC_2_34)
+compat_symbol (librt, __new_aio_cancel, aio_cancel, GLIBC_2_3);
+compat_symbol (librt, __new_aio_cancel, aio_cancel64, GLIBC_2_3);
+#endif
 
-#if SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_3)
+#if OTHER_SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_3)
 
 #undef ECANCELED
-#define aio_cancel	__old_aio_cancel
+#define __aio_cancel	__old_aio_cancel
 #define ECANCELED	125
 
 #include <rt/aio_cancel.c>
 
-#undef aio_cancel
-strong_alias (__old_aio_cancel, __old_aio_cancel64);
+#undef __aio_cancel
 compat_symbol (librt, __old_aio_cancel, aio_cancel, GLIBC_2_1);
-compat_symbol (librt, __old_aio_cancel64, aio_cancel64, GLIBC_2_1);
+compat_symbol (librt, __old_aio_cancel, aio_cancel64, GLIBC_2_1);
 
 #endif
diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist
index 5f3bebef8c..0d621c3185 100644
--- a/sysdeps/unix/sysv/linux/alpha/libc.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist
@@ -1502,6 +1502,8 @@ GLIBC_2.1 _sys_siglist D 0x200
 GLIBC_2.1 addseverity F
 GLIBC_2.1 adjtime F
 GLIBC_2.1 adjtimex F
+GLIBC_2.1 aio_cancel F
+GLIBC_2.1 aio_cancel64 F
 GLIBC_2.1 aio_init F
 GLIBC_2.1 alphasort64 F
 GLIBC_2.1 argp_err_exit_status D 0x4
@@ -2202,6 +2204,8 @@ GLIBC_2.3 __uselocale F
 GLIBC_2.3 __wcsftime_l F
 GLIBC_2.3 _sys_errlist D 0x420
 GLIBC_2.3 _sys_nerr D 0x4
+GLIBC_2.3 aio_cancel F
+GLIBC_2.3 aio_cancel64 F
 GLIBC_2.3 duplocale F
 GLIBC_2.3 fgetxattr F
 GLIBC_2.3 flistxattr F
@@ -2442,6 +2446,8 @@ GLIBC_2.34 __pthread_unregister_cancel_restore F
 GLIBC_2.34 __pthread_unwind_next F
 GLIBC_2.34 _pthread_cleanup_pop F
 GLIBC_2.34 _pthread_cleanup_push F
+GLIBC_2.34 aio_cancel F
+GLIBC_2.34 aio_cancel64 F
 GLIBC_2.34 aio_init F
 GLIBC_2.34 call_once F
 GLIBC_2.34 cnd_broadcast F
diff --git a/sysdeps/unix/sysv/linux/alpha/librt-compat.c b/sysdeps/unix/sysv/linux/alpha/librt-compat.c
new file mode 100644
index 0000000000..96e92e1637
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/librt-compat.c
@@ -0,0 +1,24 @@
+/* Placeholder definitions to pull in removed symbol versions.  alpha version.
+   Copyright (C) 2021 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 <rt/librt-compat.c>
+
+#if SHLIB_COMPAT (librt, GLIBC_2_3, GLIBC_2_34)
+compat_symbol (librt, __librt_version_placeholder_1,
+               __librt_version_placeholder, GLIBC_2_3);
+#endif
diff --git a/sysdeps/unix/sysv/linux/alpha/librt.abilist b/sysdeps/unix/sysv/linux/alpha/librt.abilist
index 94f5ca8b6f..c7e49f9a98 100644
--- a/sysdeps/unix/sysv/linux/alpha/librt.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/librt.abilist
@@ -1,5 +1,3 @@
-GLIBC_2.1 aio_cancel F
-GLIBC_2.1 aio_cancel64 F
 GLIBC_2.1 aio_error F
 GLIBC_2.1 aio_error64 F
 GLIBC_2.1 aio_fsync F
@@ -19,8 +17,7 @@ GLIBC_2.2 timer_delete F
 GLIBC_2.2 timer_getoverrun F
 GLIBC_2.2 timer_gettime F
 GLIBC_2.2 timer_settime F
-GLIBC_2.3 aio_cancel F
-GLIBC_2.3 aio_cancel64 F
+GLIBC_2.3 __librt_version_placeholder F
 GLIBC_2.3.3 timer_create F
 GLIBC_2.3.3 timer_delete F
 GLIBC_2.3.3 timer_getoverrun F