patch-2.3.43 linux/include/asm-ia64/sigcontext.h

• Lines: 51
• Date: Sun Feb 6 18:42:40 2000
• Orig file: v2.3.42/linux/include/asm-ia64/sigcontext.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.42/linux/include/asm-ia64/sigcontext.h linux/include/asm-ia64/sigcontext.h
@@ -0,0 +1,50 @@
+#ifndef _ASM_IA64_SIGCONTEXT_H
+#define _ASM_IA64_SIGCONTEXT_H
+
+/*
+ * Copyright (C) 1998, 1999 Hewlett-Packard Co
+ * Copyright (C) 1998, 1999 David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+#include <asm/fpu.h>
+
+#define IA64_SC_FLAG_ONSTACK_BIT		1	/* is handler running on signal stack? */
+#define IA64_SC_FLAG_IN_SYSCALL_BIT		1	/* did signal interrupt a syscall? */
+#define IA64_SC_FLAG_FPH_VALID_BIT		2	/* is state in f[32]-f[127] valid? */
+
+#define IA64_SC_FLAG_ONSTACK		(1 << IA64_SC_FLAG_ONSTACK_BIT)
+#define IA64_SC_FLAG_IN_SYSCALL		(1 << IA64_SC_FLAG_IN_SYSCALL_BIT)
+#define IA64_SC_FLAG_FPH_VALID		(1 << IA64_SC_FLAG_FPH_VALID_BIT)
+
+# ifndef __ASSEMBLY__
+
+struct sigcontext {
+	unsigned long		sc_flags;	/* see manifest constants above */
+	unsigned long		sc_nat;		/* bit i == 1 iff scratch reg gr[i] is a NaT */
+	stack_t			sc_stack;	/* previously active stack */
+
+	unsigned long		sc_ip;		/* instruction pointer */
+	unsigned long		sc_cfm;		/* current frame marker */
+	unsigned long		sc_um;		/* user mask bits */
+	unsigned long		sc_ar_rsc;	/* register stack configuration register */
+	unsigned long		sc_ar_bsp;	/* backing store pointer */
+	unsigned long		sc_ar_rnat;	/* RSE NaT collection register */
+	unsigned long		sc_ar_ccv;	/* compare and exchange compare value register */
+	unsigned long		sc_ar_unat;	/* ar.unat of interrupted context */
+	unsigned long		sc_ar_fpsr;	/* floating-point status register */
+	unsigned long		sc_ar_pfs;	/* previous function state */
+	unsigned long		sc_ar_lc;	/* loop count register */
+	unsigned long		sc_pr;		/* predicate registers */
+	unsigned long		sc_br[8];	/* branch registers */
+	unsigned long		sc_gr[32];	/* general registers (static partition) */
+	struct ia64_fpreg	sc_fr[128];	/* floating-point registers */
+
+	/*
+	 * The mask must come last so we can increase _NSIG_WORDS
+	 * without breaking binary compatibility.
+	 */
+	sigset_t		sc_mask;	/* signal mask to restore after handler returns */
+};
+
+# endif /* __ASSEMBLY__ */
+#endif /* _ASM_IA64_SIGCONTEXT_H */