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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* S390 version
*
* Derived from "include/asm-i386/ucontext.h"
*/
#ifndef _ASM_S390_UCONTEXT_H
#define _ASM_S390_UCONTEXT_H
#define UC_GPRS_HIGH 1 /* uc_mcontext_ext has valid high gprs */
#define UC_VXRS 2 /* uc_mcontext_ext has valid vector regs */
/*
* The struct ucontext_extended describes how the registers are stored
* on a rt signal frame. Please note that the structure is not fixed,
* if new CPU registers are added to the user state the size of the
* struct ucontext_extended will increase.
*/
struct ucontext_extended {
unsigned long uc_flags;
struct ucontext *uc_link;
stack_t uc_stack;
_sigregs uc_mcontext;
sigset_t uc_sigmask;
/* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */
unsigned char __unused[128 - sizeof(sigset_t)];
_sigregs_ext uc_mcontext_ext;
};
struct ucontext {
unsigned long uc_flags;
struct ucontext *uc_link;
stack_t uc_stack;
_sigregs uc_mcontext;
sigset_t uc_sigmask;
/* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */
unsigned char __unused[128 - sizeof(sigset_t)];
};
#endif /* !_ASM_S390_UCONTEXT_H */