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