^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2012 ARM Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #ifndef __ASM_SIGNAL32_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #define __ASM_SIGNAL32_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #ifdef CONFIG_COMPAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/compat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) struct compat_sigcontext {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) /* We always set these two fields to 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) compat_ulong_t trap_no;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) compat_ulong_t error_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) compat_ulong_t oldmask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) compat_ulong_t arm_r0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) compat_ulong_t arm_r1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) compat_ulong_t arm_r2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) compat_ulong_t arm_r3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) compat_ulong_t arm_r4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) compat_ulong_t arm_r5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) compat_ulong_t arm_r6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) compat_ulong_t arm_r7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) compat_ulong_t arm_r8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) compat_ulong_t arm_r9;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) compat_ulong_t arm_r10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) compat_ulong_t arm_fp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) compat_ulong_t arm_ip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) compat_ulong_t arm_sp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) compat_ulong_t arm_lr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) compat_ulong_t arm_pc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) compat_ulong_t arm_cpsr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) compat_ulong_t fault_address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct compat_ucontext {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) compat_ulong_t uc_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) compat_uptr_t uc_link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) compat_stack_t uc_stack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct compat_sigcontext uc_mcontext;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) compat_sigset_t uc_sigmask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) int __unused[32 - (sizeof(compat_sigset_t) / sizeof(int))];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) compat_ulong_t uc_regspace[128] __attribute__((__aligned__(8)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct compat_sigframe {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) struct compat_ucontext uc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) compat_ulong_t retcode[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) struct compat_rt_sigframe {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) struct compat_siginfo info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct compat_sigframe sig;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) struct pt_regs *regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct pt_regs *regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) void compat_setup_restart_syscall(struct pt_regs *regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static inline int compat_setup_frame(int usid, struct ksignal *ksig,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) sigset_t *set, struct pt_regs *regs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) return -ENOSYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) static inline int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) struct pt_regs *regs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) return -ENOSYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) static inline void compat_setup_restart_syscall(struct pt_regs *regs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #endif /* CONFIG_COMPAT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #endif /* __ASM_SIGNAL32_H */