1 files changed, 94 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/ucontext.h b/sysdeps/unix/sysv/linux/alpha/bits/ucontext.h
new file mode 100644
index 0000000000..12b23f01de
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/bits/ucontext.h
@@ -0,0 +1,94 @@
+/* Copyright (C) 1998-2020 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 _BITS_UCONTEXT_H
+#define _BITS_UCONTEXT_H	1
+
+#include <features.h>
+
+#include <bits/types/sigset_t.h>
+#include <bits/types/stack_t.h>
+
+
+#ifdef __USE_MISC
+# define __ctx(fld) fld
+#else
+# define __ctx(fld) __ ## fld
+#endif
+
+/* Type for general register.  */
+typedef long int greg_t;
+
+/* Number of general registers.  */
+#define __NGREG	33
+#ifdef __USE_MISC
+# define NGREG	__NGREG
+#endif
+
+/* Container for all general registers.  */
+typedef greg_t gregset_t[__NGREG];
+
+/* Type for floating-point register.  */
+typedef long int fpreg_t;
+
+/* Number of general registers.  */
+#define __NFPREG	32
+#ifdef __USE_MISC
+# define NFPREG	__NFPREG
+#endif
+
+/* Container for all general registers.  */
+typedef fpreg_t fpregset_t[__NFPREG];
+
+
+/* A machine context is exactly a sigcontext.  */
+typedef struct
+  {
+    long int __ctx(sc_onstack);
+    long int __ctx(sc_mask);
+    long int __ctx(sc_pc);
+    long int __ctx(sc_ps);
+    long int __ctx(sc_regs)[32];
+    long int __ctx(sc_ownedfp);
+    long int __ctx(sc_fpregs)[32];
+    unsigned long int __ctx(sc_fpcr);
+    unsigned long int __ctx(sc_fp_control);
+    unsigned long int __glibc_reserved1, __glibc_reserved2;
+    unsigned long int __ctx(sc_ssize);
+    char *__ctx(sc_sbase);
+    unsigned long int __ctx(sc_traparg_a0);
+    unsigned long int __ctx(sc_traparg_a1);
+    unsigned long int __ctx(sc_traparg_a2);
+    unsigned long int __ctx(sc_fp_trap_pc);
+    unsigned long int __ctx(sc_fp_trigger_sum);
+    unsigned long int __ctx(sc_fp_trigger_inst);
+  } mcontext_t;
+
+/* Userlevel context.  */
+typedef struct ucontext_t
+  {
+    unsigned long int __ctx(uc_flags);
+    struct ucontext_t *uc_link;
+    unsigned long __uc_osf_sigmask;
+    stack_t uc_stack;
+    mcontext_t uc_mcontext;
+    sigset_t uc_sigmask;
+  } ucontext_t;
+
+#undef __ctx
+
+#endif /* bits/ucontext.h */