Update copyright dates with scripts/update-copyrights.

[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / s390 / s390-32 / getcontext.S

diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S b/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S
index 2578b3ddc00c0e14a103ed97e8d830d7f7a640d4..9b477b5246938e32ba02fbbc4833d3ad751f8394 100644 (file)
--- a/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2015 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
 
@@ -13,63 +13,74 @@
    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, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
 #include <features.h>
 
 #include "ucontext_i.h"
 
+#include <shlib-compat.h>
+
 /*  __getcontext (const ucontext_t *ucp)
 
   Saves the machine context in UCP such that when it is activated,
-  it appears as if __getcontext() returned again. 
+  it appears as if __getcontext() returned again.
 
   This implementation is intended to be used for *synchronous* context
   switches only.  Therefore, it does not have to save anything
   other than the PRESERVED state.  */
 
 ENTRY(__getcontext)
-       lr      %r5,%r2
+       lr      %r1,%r2
 
-       /* sigprocmask (SIG_BLOCK, NULL, &sc->sc_mask).  */
+       /* rt_sigprocmask (SIG_BLOCK, NULL, &sc->sc_mask, sigsetsize).  */
        la      %r2,SIG_BLOCK
        slr     %r3,%r3
-       la      %r4,SC_MASK(%r5)
+       la      %r4,SC_MASK(%r1)
+       lhi     %r5,_NSIG8
        svc     SYS_ify(rt_sigprocmask)
 
        /* Store fpu context.  */
-       stfpc   SC_FPC(%r5)
-       std     %f0,SC_FPRS(%r5)
-       std     %f1,SC_FPRS+8(%r5)
-       std     %f2,SC_FPRS+16(%r5)
-       std     %f3,SC_FPRS+24(%r5)
-       std     %f4,SC_FPRS+32(%r5)
-       std     %f5,SC_FPRS+40(%r5)
-       std     %f6,SC_FPRS+48(%r5)
-       std     %f7,SC_FPRS+56(%r5)
-       std     %f8,SC_FPRS+64(%r5)
-       std     %f9,SC_FPRS+72(%r5)
-       std     %f10,SC_FPRS+80(%r5)
-       std     %f11,SC_FPRS+88(%r5)
-       std     %f12,SC_FPRS+96(%r5)
-       std     %f13,SC_FPRS+104(%r5)
-       std     %f14,SC_FPRS+112(%r5)
-       std     %f15,SC_FPRS+120(%r5)
+       stfpc   SC_FPC(%r1)
+       std     %f0,SC_FPRS(%r1)
+       std     %f1,SC_FPRS+8(%r1)
+       std     %f2,SC_FPRS+16(%r1)
+       std     %f3,SC_FPRS+24(%r1)
+       std     %f4,SC_FPRS+32(%r1)
+       std     %f5,SC_FPRS+40(%r1)
+       std     %f6,SC_FPRS+48(%r1)
+       std     %f7,SC_FPRS+56(%r1)
+       std     %f8,SC_FPRS+64(%r1)
+       std     %f9,SC_FPRS+72(%r1)
+       std     %f10,SC_FPRS+80(%r1)
+       std     %f11,SC_FPRS+88(%r1)
+       std     %f12,SC_FPRS+96(%r1)
+       std     %f13,SC_FPRS+104(%r1)
+       std     %f14,SC_FPRS+112(%r1)
+       std     %f15,SC_FPRS+120(%r1)
 
        /* Set __getcontext return value to 0.  */
        slr     %r2,%r2
 
        /* Store access registers.  */
-       stam    %a0,%a15,SC_ACRS(%r5)
+       stam    %a0,%a15,SC_ACRS(%r1)
 
        /* Store general purpose registers.  */
-       stm     %r0,%r15,SC_GPRS(%r5)
+       stm     %r0,%r15,SC_GPRS(%r1)
 
        /* Return.  */
        br      %r14
 END(__getcontext)
 
-weak_alias(__getcontext, getcontext)
+weak_alias (__getcontext, getcontext)
+
+#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
+/* In glibc release 2.19 a new version of getcontext was introduced,
+   but was reverted before 2.20. Thus both versions are the same function.  */
+weak_alias (__getcontext, __v1__getcontext)
+weak_alias (__getcontext, __v2__getcontext)
+versioned_symbol (libc, __v1__getcontext, getcontext, GLIBC_2_1)
+compat_symbol (libc, __v2__getcontext, getcontext, GLIBC_2_19)
+#endif