1 files changed, 89 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/csky/bits/ucontext.h b/sysdeps/unix/sysv/linux/csky/bits/ucontext.h
new file mode 100644
index 0000000000..cf3b0bfcfc
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/csky/bits/ucontext.h
@@ -0,0 +1,89 @@
+/* struct ucontext definition, C-SKY version.
+   Copyright (C) 2018-2020 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>
+
+typedef struct
+  {
+    unsigned long __tls;
+    unsigned long __lr;
+    unsigned long __pc;
+    unsigned long __sr;
+    unsigned long __usp;
+
+    /*
+     * a0, a1, a2, a3:
+     * abiv1: r2, r3, r4, r5
+     * abiv2: r0, r1, r2, r3
+     */
+
+    unsigned long __orig_a0;
+    unsigned long __a0;
+    unsigned long __a1;
+    unsigned long __a2;
+    unsigned long __a3;
+
+    /*
+     * ABIV2: r4 ~ r13
+     */
+    unsigned long __regs[10];
+
+    /* r16 ~ r30 */
+    unsigned long __exregs[15];
+
+    unsigned long __rhi;
+    unsigned long __rlo;
+    unsigned long __glibc_reserved;
+  } gregset_t;
+
+typedef struct
+  {
+    unsigned long __vr[64];
+    unsigned long __fcr;
+    unsigned long __fesr;
+    unsigned long __fid;
+    unsigned long __glibc_reserved;
+  } fpregset_t;
+
+/* Context to describe whole processor state.  */
+typedef struct
+  {
+    gregset_t __gregs;
+    fpregset_t __fpregs;
+  } mcontext_t;
+
+/* Userlevel context.  */
+typedef struct ucontext_t
+  {
+    unsigned long int __uc_flags;
+    struct ucontext_t *uc_link;
+    stack_t uc_stack;
+    mcontext_t uc_mcontext;
+    sigset_t uc_sigmask;
+  } ucontext_t;
+
+#undef __ctx
+
+
+#endif /* bits/ucontext.h */