1 files changed, 90 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c b/sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c
new file mode 100644
index 0000000000..cd86f48602
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c
@@ -0,0 +1,90 @@
+/* POSIX.1 sigaction call for Linux/SPARC64.
+   Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Miguel de Icaza (miguel@nuclecu.unam.mx) and
+   		  Jakub Jelinek (jj@ultra.linux.cz).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <string.h>
+#include <syscall.h>
+#include <sys/signal.h>
+#include <errno.h>
+#include <kernel_sigaction.h>
+
+/* SPARC 64bit userland requires a kernel that has rt signals anyway. */
+
+extern int __syscall_rt_sigaction (int, const struct kernel_sigaction *,
+				   struct kernel_sigaction *, unsigned long,
+				   size_t);
+
+static void __rt_sigreturn_stub (void);
+static void __sigreturn_stub (void);
+
+int
+__sigaction (int sig, __const struct sigaction *act, struct sigaction *oact)
+{
+  int ret;
+  struct kernel_sigaction kact, koact;
+  unsigned long stub = 0;
+
+  if (act)
+    {
+      kact.k_sa_handler = act->sa_handler;
+      memcpy (&kact.sa_mask, &act->sa_mask, sizeof (sigset_t));
+      if (((kact.sa_flags = act->sa_flags) & SA_SIGINFO) != 0)
+	stub = (unsigned long) &__rt_sigreturn_stub;
+      else
+	stub = (unsigned long) &__sigreturn_stub;
+      stub -= 8;
+      kact.sa_restorer = NULL;
+    }
+
+  /* XXX The size argument hopefully will have to be changed to the
+     real size of the user-level sigset_t.  */
+  ret = __syscall_rt_sigaction (sig, act ? &kact : 0, oact ? &koact : 0,
+				stub, _NSIG / 8);
+
+  if (oact && ret >= 0)
+    {
+      oact->sa_handler = koact.k_sa_handler;
+      memcpy (&oact->sa_mask, &koact.sa_mask, sizeof (sigset_t));
+      oact->sa_flags = koact.sa_flags;
+      oact->sa_restorer = koact.sa_restorer;
+    }
+
+  return ret;
+}
+
+weak_alias (__sigaction, sigaction);
+
+static void
+__rt_sigreturn_stub (void)
+{
+  __asm__ ("mov %0, %%g1\n\t"
+	   "ta	0x6d\n\t"
+	   : /* no outputs */
+	   : "i" (__NR_rt_sigreturn));
+}
+
+static void
+__sigreturn_stub (void)
+{
+  __asm__ ("mov %0, %%g1\n\t"
+	   "ta	0x6d\n\t"
+	   : /* no outputs */
+	   : "i" (__NR_sigreturn));
+}