Remove nios2-linux-gnu

GCC 15 (e876acab6cdd84bb2b32c98fc69fb0ba29c81153) and binutils
(e7a16d9fd65098045ef5959bf98d990f12314111) both removed all Nios II
support, and the architecture has been EOL'ed by the vendor.  The
kernel still has support, but without a proper compiler there
is no much sense in keep it on glibc.

Reviewed-by: Florian Weimer <fweimer@redhat.com>

3 files changed, 0 insertions, 152 deletions

diff --git a/sysdeps/unix/sysv/linux/nios2/sys/cachectl.h b/sysdeps/unix/sysv/linux/nios2/sys/cachectl.h
deleted file mode 100644
index c39afca..0000000
--- a/sysdeps/unix/sysv/linux/nios2/sys/cachectl.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/* cacheflush - flush contents of instruction and/or data cache.
-   Copyright (C) 2015-2024 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, see
-   <https://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_CACHECTL_H
-#define _SYS_CACHECTL_H 1
-
-#include <features.h>
-
-__BEGIN_DECLS
-
-#ifdef __USE_MISC
-extern int cacheflush (void *__addr, const int __nbytes, const int __op) __THROW;
-#endif
-extern int _flush_cache (char *__addr, const int __nbytes, const int __op) __THROW;
-
-__END_DECLS
-
-#endif /* sys/cachectl.h */
diff --git a/sysdeps/unix/sysv/linux/nios2/sys/ucontext.h b/sysdeps/unix/sysv/linux/nios2/sys/ucontext.h
deleted file mode 100644
index 74cc119..0000000
--- a/sysdeps/unix/sysv/linux/nios2/sys/ucontext.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/* ucontext_t definition, Nios II version.
-   Copyright (C) 2015-2024 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, see
-   <https://www.gnu.org/licenses/>.  */
-
-/* System V/Nios II ABI compliant context switching support.  */
-
-#ifndef _SYS_UCONTEXT_H
-#define _SYS_UCONTEXT_H	1
-
-#include <features.h>
-
-#include <bits/types/sigset_t.h>
-#include <bits/types/stack_t.h>
-
-
-/* These definitions must be in sync with the kernel.  */
-
-#ifdef __USE_MISC
-# define MCONTEXT_VERSION 2
-#endif
-
-#ifdef __USE_MISC
-# define __ctx(fld) fld
-#else
-# define __ctx(fld) __ ## fld
-#endif
-
-/* Context to describe whole processor state.  */
-typedef struct
-  {
-    int __ctx(version);
-    unsigned long __ctx(regs)[32];
-  } mcontext_t;
-
-/* Userlevel context.  */
-typedef struct ucontext_t
-  {
-    unsigned long __ctx(uc_flags);
-    struct ucontext_t *uc_link;
-    stack_t uc_stack;
-    mcontext_t uc_mcontext;
-    sigset_t uc_sigmask;
-  } ucontext_t;
-
-#undef __ctx
-
-#endif /* sys/ucontext.h */
diff --git a/sysdeps/unix/sysv/linux/nios2/sys/user.h b/sysdeps/unix/sysv/linux/nios2/sys/user.h
deleted file mode 100644
index ed637b5..0000000
--- a/sysdeps/unix/sysv/linux/nios2/sys/user.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/* ptrace register data format definitions.
-   Copyright (C) 1998-2024 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, see
-   <https://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_USER_H
-#define _SYS_USER_H	1
-
-/* The whole purpose of this file is for GDB and GDB only.  Don't read
-   too much into it.  Don't use it for anything other than GDB unless
-   you know what you are doing.  */
-
-struct user_fpregs
-{
-};
-
-struct user_regs
-{
-  unsigned long int uregs[49];
-};
-
-struct user
-{
-  struct user_regs regs;	/* General registers */
-  int u_fpvalid;		/* True if math co-processor being used. */
-
-  unsigned long int u_tsize;	/* Text segment size (pages). */
-  unsigned long int u_dsize;	/* Data segment size (pages). */
-  unsigned long int u_ssize;	/* Stack segment size (pages). */
-
-  unsigned long start_code;	/* Starting virtual address of text. */
-  unsigned long start_stack;	/* Starting virtual address of stack. */
-
-  long int signal;     		/* Signal that caused the core dump. */
-  int reserved;			/* No longer used */
-  struct user_regs *u_ar0;	/* help gdb to find the general registers. */
-
-  unsigned long magic;		/* uniquely identify a core file */
-  char u_comm[32];		/* User command that was responsible */
-  int u_debugreg[8];
-  struct user_fpregs u_fp;	/* Floating point registers */
-  struct user_fpregs *u_fp0;	/* help gdb to find the FP registers. */
-};
-
-#endif  /* sys/user.h */