Patch from Martin Proulx <mproulx@okiok.com> to support

the i960 architecture.

1 files changed, 76 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/i960/sys/ucontext.h b/libc/sysdeps/linux/i960/sys/ucontext.h
new file mode 100644
index 000000000..8c55ea45b
--- /dev/null
+++ b/libc/sysdeps/linux/i960/sys/ucontext.h
@@ -0,0 +1,76 @@
+/* Copyright (C) 1997, 1998, 2000 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.  */
+
+/* Don't rely on this, the interface is currently messed up and may need to
+   be broken to be fixed.  */
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H	1
+
+#include <features.h>
+#include <signal.h>
+
+/* We need the signal context definitions even if they are not used
+   included in <signal.h>.  */
+#include <bits/sigcontext.h>
+
+
+/* Type for general register.  */
+typedef unsigned long int greg_t;
+
+/* Number of general registers.  */
+#define NGREG	32 /* 16 global and 16 local */
+
+/* Container for all general registers.  */
+/* gregset_t must be an array.  The below declared array corresponds to:
+typedef struct gregset {
+	greg_t	g_regs[32];
+	greg_t	g_hi;
+	greg_t	g_lo;
+	greg_t	g_pad[3];
+} gregset_t;  */
+typedef greg_t gregset_t[NGREG];
+
+/* Container for all FPU registers.  */
+typedef struct fpregset {
+    /* No floating point registers on most i960 */
+
+    /* Otherwise, signal the missing implementation */
+#if defined(__i960SB) || defined(__i960KB)
+#error Floating point support is not yet implemented for the i960 platform.
+#endif
+} fpregset_t;
+
+
+/* Context to describe whole processor state.  */
+typedef struct
+  {
+    gregset_t gregs;
+    fpregset_t fpregs;
+  } mcontext_t;
+
+/* Userlevel context.  */
+typedef struct ucontext
+  {
+    unsigned long int uc_flags;
+    struct ucontext *uc_link;
+    stack_t uc_stack;
+    mcontext_t uc_mcontext;
+    __sigset_t uc_sigmask;
+  } ucontext_t;
+
+#endif /* sys/ucontext.h */