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-rw-r--r--sysdeps/unix/sysv/linux/mips/sigaction.c188
1 files changed, 0 insertions, 188 deletions
diff --git a/sysdeps/unix/sysv/linux/mips/sigaction.c b/sysdeps/unix/sysv/linux/mips/sigaction.c
deleted file mode 100644
index 8e2ca42bb4..0000000000
--- a/sysdeps/unix/sysv/linux/mips/sigaction.c
+++ /dev/null
@@ -1,188 +0,0 @@
-/* Copyright (C) 1997,1998,1999,2000,2002,2003,2004,2006
- 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <errno.h>
-#include <sgidefs.h>
-#include <signal.h>
-#include <string.h>
-
-#include <sysdep.h>
-#include <sys/syscall.h>
-
-#include <sgidefs.h>
-
-#include <kernel-features.h>
-
-/* The difference here is that the sigaction structure used in the
- kernel is not the same as we use in the libc. Therefore we must
- translate it here. */
-#include <kernel_sigaction.h>
-
-#if __ASSUME_REALTIME_SIGNALS == 0
-/* The variable is shared between all wrappers around signal handling
- functions which have RT equivalents. This is the definition. */
-int __libc_missing_rt_sigs;
-
-#endif
-
-#if _MIPS_SIM != _ABIO32
-
-# ifdef __NR_rt_sigreturn
-static void restore_rt (void) asm ("__restore_rt");
-# endif
-# ifdef __NR_sigreturn
-static void restore (void) asm ("__restore");
-# endif
-#endif
-
-/* If ACT is not NULL, change the action for SIG to *ACT.
- If OACT is not NULL, put the old action for SIG in *OACT. */
-int
-__libc_sigaction (sig, act, oact)
- int sig;
- const struct sigaction *act;
- struct sigaction *oact;
-{
-#if __ASSUME_REALTIME_SIGNALS == 0
- struct old_kernel_sigaction k_sigact, k_osigact;
-#endif
- int result;
-
-#if defined __NR_rt_sigaction || __ASSUME_REALTIME_SIGNALS > 0
- /* First try the RT signals. */
-# if __ASSUME_REALTIME_SIGNALS == 0
- if (!__libc_missing_rt_sigs)
-# endif
- {
- struct kernel_sigaction kact, koact;
- /* Save the current error value for later. We need not do this
- if we are guaranteed to have realtime signals. */
-# if __ASSUME_REALTIME_SIGNALS == 0
- int saved_errno = errno;
-# endif
-
- if (act)
- {
- kact.k_sa_handler = act->sa_handler;
- memcpy (&kact.sa_mask, &act->sa_mask, sizeof (kernel_sigset_t));
- kact.sa_flags = act->sa_flags;
-# ifdef HAVE_SA_RESTORER
-# if _MIPS_SIM == _ABIO32
- kact.sa_restorer = act->sa_restorer;
-# else
- kact.sa_restorer = &restore_rt;
-# endif
-# endif
- }
-
- /* XXX The size argument hopefully will have to be changed to the
- real size of the user-level sigset_t. */
- result = INLINE_SYSCALL (rt_sigaction, 4, sig,
- act ? __ptrvalue (&kact) : NULL,
- oact ? __ptrvalue (&koact) : NULL,
- sizeof (kernel_sigset_t));
-
-# if __ASSUME_REALTIME_SIGNALS == 0
- if (result >= 0 || errno != ENOSYS)
-# endif
- {
- if (oact && result >= 0)
- {
- oact->sa_handler = koact.k_sa_handler;
- memcpy (&oact->sa_mask, &koact.sa_mask,
- sizeof (kernel_sigset_t));
- oact->sa_flags = koact.sa_flags;
-# ifdef HAVE_SA_RESTORER
- oact->sa_restorer = koact.sa_restorer;
-# endif
- }
- return result;
- }
-
-# if __ASSUME_REALTIME_SIGNALS == 0
- __set_errno (saved_errno);
- __libc_missing_rt_sigs = 1;
-# endif
- }
-#endif
-
-#if __ASSUME_REALTIME_SIGNALS == 0
- if (act)
- {
- k_sigact.k_sa_handler = act->sa_handler;
- k_sigact.sa_mask = act->sa_mask.__val[0];
- k_sigact.sa_flags = act->sa_flags;
-# ifdef HAVE_SA_RESTORER
- k_sigact.sa_restorer = act->sa_restorer;
-# endif
- }
- result = INLINE_SYSCALL (sigaction, 3, sig,
- act ? __ptrvalue (&k_sigact) : NULL,
- oact ? __ptrvalue (&k_osigact) : NULL);
- if (oact && result >= 0)
- {
- oact->sa_handler = k_osigact.k_sa_handler;
- oact->sa_mask.__val[0] = k_osigact.sa_mask;
- oact->sa_flags = k_osigact.sa_flags;
-# ifdef HAVE_SA_RESTORER
-# if _MIPS_SIM == _ABIO32
- oact->sa_restorer = k_osigact.sa_restorer;
-# else
- oact->sa_restorer = &restore;
-# endif
-# endif
- }
- return result;
-#endif
-}
-libc_hidden_def (__libc_sigaction)
-
-#ifndef LIBC_SIGACTION
-weak_alias (__libc_sigaction, __sigaction)
-libc_hidden_weak (__sigaction)
-weak_alias (__libc_sigaction, sigaction)
-#endif
-
-/* NOTE: Please think twice before making any changes to the bits of
- code below. GDB needs some intimate knowledge about it to
- recognize them as signal trampolines, and make backtraces through
- signal handlers work right. Important are both the names
- (__restore_rt) and the exact instruction sequence.
- If you ever feel the need to make any changes, please notify the
- appropriate GDB maintainer. */
-
-#define RESTORE(name, syscall) RESTORE2 (name, syscall)
-#define RESTORE2(name, syscall) \
-asm \
- ( \
- ".align 4\n" \
- "__" #name ":\n" \
- " li $2, " #syscall "\n" \
- " syscall\n" \
- );
-
-/* The return code for realtime-signals. */
-#if _MIPS_SIM != _ABIO32
-# ifdef __NR_rt_sigreturn
-RESTORE (restore_rt, __NR_rt_sigreturn)
-# endif
-# ifdef __NR_sigreturn
-RESTORE (restore, __NR_sigreturn)
-# endif
-#endif