From a5cc55111f77315fc7e04613772237b52a3dbfdf Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Wed, 14 Nov 2001 07:41:08 +0000
Subject: Sync up sparc headers

---
 libc/sysdeps/linux/sparc/bits/sigcontext.h | 79 ++++++++++++++++++++++++------
 1 file changed, 64 insertions(+), 15 deletions(-)

(limited to 'libc/sysdeps/linux/sparc/bits/sigcontext.h')

diff --git a/libc/sysdeps/linux/sparc/bits/sigcontext.h b/libc/sysdeps/linux/sparc/bits/sigcontext.h
index 97cbf4b30..42eca544e 100644
--- a/libc/sysdeps/linux/sparc/bits/sigcontext.h
+++ b/libc/sysdeps/linux/sparc/bits/sigcontext.h
@@ -1,29 +1,78 @@
-/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   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.  */
 
 #if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
 # error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
 #endif
 
-#ifndef sigcontext_struct
-/* Kernel headers before 2.1.1 define a struct sigcontext_struct, but
-   we need sigcontext.  */
-# define sigcontext_struct sigcontext
+#include <bits/wordsize.h>
 
-# include <asm/sigcontext.h>
-#endif
+#if __WORDSIZE == 32
+
+/* It is quite hard to choose what to put here, because
+   Linux/sparc32 had at least 3 totally incompatible
+   signal stack layouts.
+   This one is for the "new" style signals, which are
+   now delivered unless SA_SIGINFO is requested.  */
+
+struct sigcontext
+  {
+    struct
+      {
+	unsigned int	psr;
+	unsigned int	pc;
+	unsigned int	npc;
+	unsigned int	y;
+	unsigned int	u_regs[16]; /* globals and ins */
+      }			si_regs;
+    int			si_mask;
+  };
+
+#else /* sparc64 */
+
+typedef struct
+  {
+    unsigned int	si_float_regs [64];
+    unsigned long	si_fsr;
+    unsigned long	si_gsr;
+    unsigned long	si_fprs;
+  } __siginfo_fpu_t;
+
+struct sigcontext
+  {
+    char		sigc_info[128];
+    struct
+      {
+	unsigned long	u_regs[16]; /* globals and ins */
+	unsigned long	tstate;
+	unsigned long	tpc;
+	unsigned long	tnpc;
+	unsigned int	y;
+	unsigned int	fprs;
+      }			sigc_regs;
+    __siginfo_fpu_t *	sigc_fpu_save;
+    struct
+      {
+	void *		ss_sp;
+	int		ss_flags;
+	unsigned long	ss_size;
+      }			sigc_stack;
+    unsigned long	sigc_mask;
+};
+
+#endif /* sparc64 */
-- 
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