summaryrefslogtreecommitdiffstats
path: root/kernel/arch/s390/include/uapi/asm/sigcontext.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/arch/s390/include/uapi/asm/sigcontext.h')
-rw-r--r--kernel/arch/s390/include/uapi/asm/sigcontext.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/kernel/arch/s390/include/uapi/asm/sigcontext.h b/kernel/arch/s390/include/uapi/asm/sigcontext.h
new file mode 100644
index 000000000..5f0b8d7dd
--- /dev/null
+++ b/kernel/arch/s390/include/uapi/asm/sigcontext.h
@@ -0,0 +1,84 @@
+/*
+ * S390 version
+ * Copyright IBM Corp. 1999, 2000
+ */
+
+#ifndef _ASM_S390_SIGCONTEXT_H
+#define _ASM_S390_SIGCONTEXT_H
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+
+#define __NUM_GPRS 16
+#define __NUM_FPRS 16
+#define __NUM_ACRS 16
+#define __NUM_VXRS 32
+#define __NUM_VXRS_LOW 16
+#define __NUM_VXRS_HIGH 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;
+ unsigned int pad;
+ double fprs[__NUM_FPRS];
+} _s390_fp_regs;
+
+typedef struct
+{
+ _s390_regs_common regs;
+ _s390_fp_regs fpregs;
+} _sigregs;
+
+typedef struct
+{
+#ifndef __s390x__
+ unsigned long gprs_high[__NUM_GPRS];
+#endif
+ unsigned long long vxrs_low[__NUM_VXRS_LOW];
+ __vector128 vxrs_high[__NUM_VXRS_HIGH];
+ unsigned char __reserved[128];
+} _sigregs_ext;
+
+struct sigcontext
+{
+ unsigned long oldmask[_SIGCONTEXT_NSIG_WORDS];
+ _sigregs __user *sregs;
+};
+
+
+#endif
+