1/*
2 *  S390 version
3 *
4 *  Derived from "include/asm-i386/ucontext.h"
5 */
6
7#ifndef _ASM_S390_UCONTEXT_H
8#define _ASM_S390_UCONTEXT_H
9
10#define UC_GPRS_HIGH	1	/* uc_mcontext_ext has valid high gprs */
11#define UC_VXRS		2	/* uc_mcontext_ext has valid vector regs */
12
13/*
14 * The struct ucontext_extended describes how the registers are stored
15 * on a rt signal frame. Please note that the structure is not fixed,
16 * if new CPU registers are added to the user state the size of the
17 * struct ucontext_extended will increase.
18 */
19struct ucontext_extended {
20	unsigned long	  uc_flags;
21	struct ucontext  *uc_link;
22	stack_t		  uc_stack;
23	_sigregs	  uc_mcontext;
24	sigset_t	  uc_sigmask;
25	/* Allow for uc_sigmask growth.  Glibc uses a 1024-bit sigset_t.  */
26	unsigned char	  __unused[128 - sizeof(sigset_t)];
27	_sigregs_ext	  uc_mcontext_ext;
28};
29
30struct ucontext {
31	unsigned long	  uc_flags;
32	struct ucontext  *uc_link;
33	stack_t		  uc_stack;
34	_sigregs          uc_mcontext;
35	sigset_t	  uc_sigmask;
36	/* Allow for uc_sigmask growth.  Glibc uses a 1024-bit sigset_t.  */
37	unsigned char	  __unused[128 - sizeof(sigset_t)];
38};
39
40#endif /* !_ASM_S390_UCONTEXT_H */
41