summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/i960/sys/ucontext.h
diff options
context:
space:
mode:
Diffstat (limited to 'libc/sysdeps/linux/i960/sys/ucontext.h')
-rw-r--r--libc/sysdeps/linux/i960/sys/ucontext.h76
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 */