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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2012 ARM Ltd.
*/
#ifndef __ASM_SIGNAL32_H
#define __ASM_SIGNAL32_H
#ifdef __KERNEL__
#ifdef CONFIG_COMPAT
#include <linux/compat.h>
struct compat_sigcontext {
/* We always set these two fields to 0 */
compat_ulong_t trap_no;
compat_ulong_t error_code;
compat_ulong_t oldmask;
compat_ulong_t arm_r0;
compat_ulong_t arm_r1;
compat_ulong_t arm_r2;
compat_ulong_t arm_r3;
compat_ulong_t arm_r4;
compat_ulong_t arm_r5;
compat_ulong_t arm_r6;
compat_ulong_t arm_r7;
compat_ulong_t arm_r8;
compat_ulong_t arm_r9;
compat_ulong_t arm_r10;
compat_ulong_t arm_fp;
compat_ulong_t arm_ip;
compat_ulong_t arm_sp;
compat_ulong_t arm_lr;
compat_ulong_t arm_pc;
compat_ulong_t arm_cpsr;
compat_ulong_t fault_address;
};
struct compat_ucontext {
compat_ulong_t uc_flags;
compat_uptr_t uc_link;
compat_stack_t uc_stack;
struct compat_sigcontext uc_mcontext;
compat_sigset_t uc_sigmask;
int __unused[32 - (sizeof(compat_sigset_t) / sizeof(int))];
compat_ulong_t uc_regspace[128] __attribute__((__aligned__(8)));
};
struct compat_sigframe {
struct compat_ucontext uc;
compat_ulong_t retcode[2];
};
struct compat_rt_sigframe {
struct compat_siginfo info;
struct compat_sigframe sig;
};
int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set,
struct pt_regs *regs);
int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
struct pt_regs *regs);
void compat_setup_restart_syscall(struct pt_regs *regs);
#else
static inline int compat_setup_frame(int usid, struct ksignal *ksig,
sigset_t *set, struct pt_regs *regs)
{
return -ENOSYS;
}
static inline int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
struct pt_regs *regs)
{
return -ENOSYS;
}
static inline void compat_setup_restart_syscall(struct pt_regs *regs)
{
}
#endif /* CONFIG_COMPAT */
#endif /* __KERNEL__ */
#endif /* __ASM_SIGNAL32_H */
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