zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/sparc/sigaction.c b/ap/build/uClibc/libc/sysdeps/linux/sparc/sigaction.c
new file mode 100644
index 0000000..a4adb1d
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/sparc/sigaction.c
@@ -0,0 +1,99 @@
+/* POSIX.1 sigaction call for Linux/SPARC.
+ Copyright (C) 1997-2000,2002,2003,2005 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Miguel de Icaza (miguel@nuclecu.unam.mx), 1997.
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA.
+
+ Ported to uClibc from glibc: 090520:
+ Jan Buchholz, KIP, Uni Heidelberg <jan.buchholz@kip.uni-heidelberg.de>
+ Austin Foxley, Ceton Corporation <austinf@cetoncorp.com>
+*/
+
+#include <errno.h>
+#include <signal.h>
+#include <string.h>
+#include <sys/syscall.h>
+#include <bits/kernel_sigaction.h>
+
+
+_syscall5(int, rt_sigaction, int, a, int, b, int, c, int, d, int, e)
+static void __rt_sigreturn_stub(void);
+static void __sigreturn_stub(void);
+
+int __libc_sigaction(int sig, const struct sigaction *act, struct sigaction *oact)
+{
+ int ret;
+ struct sigaction kact, koact;
+ unsigned long stub = 0;
+
+ if (act) {
+ kact.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 = INLINE_SYSCALL (rt_sigaction, 5, sig, act ? &kact : 0,
+ oact ? &koact : 0, stub, _NSIG / 8);
+
+ if (oact && ret >= 0) {
+ oact->sa_handler = koact.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;
+}
+
+
+#ifndef LIBC_SIGACTION
+# ifndef __UCLIBC_HAS_THREADS__
+strong_alias(__libc_sigaction,sigaction)
+libc_hidden_def(sigaction)
+# else
+weak_alias(__libc_sigaction,sigaction)
+libc_hidden_weak(sigaction)
+# endif
+#endif
+
+
+static void
+__rt_sigreturn_stub(void)
+{
+ __asm__(
+ "mov %0, %%g1\n\t"
+ "ta 0x10\n\t"
+ : /* no outputs */
+ : "i" (__NR_rt_sigreturn)
+ );
+}
+static void
+__sigreturn_stub(void)
+{
+ __asm__(
+ "mov %0, %%g1\n\t"
+ "ta 0x10\n\t"
+ : /* no outputs */
+ : "i" (__NR_sigreturn)
+ );
+}