1 files changed, 69 insertions, 0 deletions

diff --git a/arch/s390/include/uapi/asm/sigcontext.h b/arch/s390/include/uapi/asm/sigcontext.h
new file mode 100644
index 000000000000..584787f6ce44
--- /dev/null
+++ b/arch/s390/include/uapi/asm/sigcontext.h
@@ -0,0 +1,69 @@
+/*
+ *  S390 version
+ *    Copyright IBM Corp. 1999, 2000
+ */
+
+#ifndef _ASM_S390_SIGCONTEXT_H
+#define _ASM_S390_SIGCONTEXT_H
+
+#include <linux/compiler.h>
+
+#define __NUM_GPRS 16
+#define __NUM_FPRS 16
+#define __NUM_ACRS 16
+
+#ifndef __s390x__
+
+/* Has to be at least _NSIG_WORDS from asm/signal.h */
+#define _SIGCONTEXT_NSIG        64
+#define _SIGCONTEXT_NSIG_BPW    32
+/* Size of stack frame allocated when calling signal handler. */
+#define __SIGNAL_FRAMESIZE      96
+
+#else /* __s390x__ */
+
+/* Has to be at least _NSIG_WORDS from asm/signal.h */
+#define _SIGCONTEXT_NSIG        64
+#define _SIGCONTEXT_NSIG_BPW    64 
+/* Size of stack frame allocated when calling signal handler. */
+#define __SIGNAL_FRAMESIZE      160
+
+#endif /* __s390x__ */
+
+#define _SIGCONTEXT_NSIG_WORDS  (_SIGCONTEXT_NSIG / _SIGCONTEXT_NSIG_BPW)
+#define _SIGMASK_COPY_SIZE      (sizeof(unsigned long)*_SIGCONTEXT_NSIG_WORDS)
+
+typedef struct 
+{
+        unsigned long mask;
+        unsigned long addr;
+} __attribute__ ((aligned(8))) _psw_t;
+
+typedef struct
+{
+        _psw_t psw;
+        unsigned long gprs[__NUM_GPRS];
+        unsigned int  acrs[__NUM_ACRS];
+} _s390_regs_common;
+
+typedef struct
+{
+        unsigned int fpc;
+        double   fprs[__NUM_FPRS];
+} _s390_fp_regs;
+
+typedef struct
+{
+        _s390_regs_common regs;
+        _s390_fp_regs     fpregs;
+} _sigregs;
+
+struct sigcontext
+{
+        unsigned long   oldmask[_SIGCONTEXT_NSIG_WORDS];
+        _sigregs        __user *sregs;
+};
+
+
+#endif
+