blob: 64a69aa5dde041cc733265b90aca197044d1fedb [file] [log] [blame]
Kyle Swenson8d8f6542021-03-15 11:02:55 -06001/*
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 */