Remove pre-2.4.21 Linux kernel support.

2 files changed, 2 insertions, 68 deletions

diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_mask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_mask.c
index 0642e0b407..366c5fe935 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_mask.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_mask.c
@@ -1,5 +1,5 @@
 /* Procedure definition for FE_MASK_ENV for Linux/ppc.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007-2012 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
@@ -24,44 +24,11 @@
 #include <sys/prctl.h>
 #include <kernel-features.h>
 
-#if __ASSUME_NEW_PRCTL_SYSCALL == 0
-/* This is rather fiddly under Linux.  We don't have direct access,
-   and there is no system call, but we can change the bits
-   in a signal handler's context...  */
-
-static struct sigaction oact;
-
-static void
-fe_mask_handler (int signum, struct sigcontext *sc)
-{
-  sc->regs->msr &= ~0x900ul;  /* FE0 | FE1 */
-  sigaction (SIGUSR1, &oact, NULL);
-}
-#endif
-
 const fenv_t *
 __fe_mask_env (void)
 {
-#if __ASSUME_NEW_PRCTL_SYSCALL == 0
-# if defined PR_SET_FPEXC && defined PR_FP_EXC_DISABLED
-  int result = INLINE_SYSCALL (prctl, 2, PR_SET_FPEXC, PR_FP_EXC_DISABLED);
-
-  if (result == -1 && errno == EINVAL)
-# endif
-    {
-      struct sigaction act;
-
-      act.sa_handler = (sighandler_t) fe_mask_handler;
-      sigemptyset (&act.sa_mask);
-      act.sa_flags = 0;
-
-      sigaction (SIGUSR1, &act, &oact);
-      raise (SIGUSR1);
-    }
-#else
   INTERNAL_SYSCALL_DECL (err);
   INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_DISABLED);
-#endif
 
   return FE_DFL_ENV;
 }
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c
index 2097af6548..86738fdd5a 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c
@@ -1,5 +1,5 @@
 /* Procedure definition for FE_NOMASK_ENV for Linux/ppc.
-   Copyright (C) 2000, 2006, 2008 Free Software Foundation, Inc.
+   Copyright (C) 2000-2012 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
@@ -24,44 +24,11 @@
 #include <sys/prctl.h>
 #include <kernel-features.h>
 
-#if __ASSUME_NEW_PRCTL_SYSCALL == 0
-/* This is rather fiddly under Linux.  We don't have direct access,
-   and there is no system call, but we can change the bits
-   in a signal handler's context...  */
-
-static struct sigaction oact;
-
-static void
-fe_nomask_handler (int signum, struct sigcontext *sc)
-{
-  sc->regs->msr |= 0x900ul;  /* FE0 | FE1 */
-  sigaction (SIGUSR1, &oact, NULL);
-}
-#endif
-
 const fenv_t *
 __fe_nomask_env (void)
 {
-#if __ASSUME_NEW_PRCTL_SYSCALL == 0
-# if defined PR_SET_FPEXC && defined PR_FP_EXC_PRECISE
-  int result = INLINE_SYSCALL (prctl, 2, PR_SET_FPEXC, PR_FP_EXC_PRECISE);
-
-  if (result == -1 && errno == EINVAL)
-# endif
-    {
-      struct sigaction act;
-
-      act.sa_handler = (sighandler_t) fe_nomask_handler;
-      sigemptyset (&act.sa_mask);
-      act.sa_flags = 0;
-
-      sigaction (SIGUSR1, &act, &oact);
-      raise (SIGUSR1);
-    }
-#else
   INTERNAL_SYSCALL_DECL (err);
   INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_PRECISE);
-#endif
 
   return FE_ENABLED_ENV;
 }