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-rw-r--r--REORG.TODO/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c b/REORG.TODO/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c
new file mode 100644
index 0000000000..295bfb2d15
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c
@@ -0,0 +1,88 @@
+/* POSIX.1 sigaction call for Linux/SPARC.
+ Copyright (C) 1997-2017 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <string.h>
+#include <syscall.h>
+#include <sys/signal.h>
+#include <errno.h>
+#include <kernel_sigaction.h>
+#include <sysdep.h>
+
+static void __rt_sigreturn_stub (void);
+static void __sigreturn_stub (void);
+
+int
+__libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
+{
+ struct kernel_sigaction kact, koact;
+ unsigned long stub = 0;
+ int ret;
+
+ 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 = INLINE_SYSCALL (rt_sigaction, 5, 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;
+}
+libc_hidden_def (__libc_sigaction)
+
+#include <nptl/sigaction.c>
+
+
+static
+inhibit_stack_protector
+void
+__rt_sigreturn_stub (void)
+{
+ __asm__ ("mov %0, %%g1\n\t"
+ "ta 0x10\n\t"
+ : /* no outputs */
+ : "i" (__NR_rt_sigreturn));
+}
+
+static
+inhibit_stack_protector
+void
+__sigreturn_stub (void)
+{
+ __asm__ ("mov %0, %%g1\n\t"
+ "ta 0x10\n\t"
+ : /* no outputs */
+ : "i" (__NR_sigreturn));
+}