1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (C) 2012 ARM Ltd.
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun #ifndef __ASM_SIGNAL32_H
6*4882a593Smuzhiyun #define __ASM_SIGNAL32_H
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #ifdef CONFIG_COMPAT
9*4882a593Smuzhiyun #include <linux/compat.h>
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun struct compat_sigcontext {
12*4882a593Smuzhiyun /* We always set these two fields to 0 */
13*4882a593Smuzhiyun compat_ulong_t trap_no;
14*4882a593Smuzhiyun compat_ulong_t error_code;
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun compat_ulong_t oldmask;
17*4882a593Smuzhiyun compat_ulong_t arm_r0;
18*4882a593Smuzhiyun compat_ulong_t arm_r1;
19*4882a593Smuzhiyun compat_ulong_t arm_r2;
20*4882a593Smuzhiyun compat_ulong_t arm_r3;
21*4882a593Smuzhiyun compat_ulong_t arm_r4;
22*4882a593Smuzhiyun compat_ulong_t arm_r5;
23*4882a593Smuzhiyun compat_ulong_t arm_r6;
24*4882a593Smuzhiyun compat_ulong_t arm_r7;
25*4882a593Smuzhiyun compat_ulong_t arm_r8;
26*4882a593Smuzhiyun compat_ulong_t arm_r9;
27*4882a593Smuzhiyun compat_ulong_t arm_r10;
28*4882a593Smuzhiyun compat_ulong_t arm_fp;
29*4882a593Smuzhiyun compat_ulong_t arm_ip;
30*4882a593Smuzhiyun compat_ulong_t arm_sp;
31*4882a593Smuzhiyun compat_ulong_t arm_lr;
32*4882a593Smuzhiyun compat_ulong_t arm_pc;
33*4882a593Smuzhiyun compat_ulong_t arm_cpsr;
34*4882a593Smuzhiyun compat_ulong_t fault_address;
35*4882a593Smuzhiyun };
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun struct compat_ucontext {
38*4882a593Smuzhiyun compat_ulong_t uc_flags;
39*4882a593Smuzhiyun compat_uptr_t uc_link;
40*4882a593Smuzhiyun compat_stack_t uc_stack;
41*4882a593Smuzhiyun struct compat_sigcontext uc_mcontext;
42*4882a593Smuzhiyun compat_sigset_t uc_sigmask;
43*4882a593Smuzhiyun int __unused[32 - (sizeof(compat_sigset_t) / sizeof(int))];
44*4882a593Smuzhiyun compat_ulong_t uc_regspace[128] __attribute__((__aligned__(8)));
45*4882a593Smuzhiyun };
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun struct compat_sigframe {
48*4882a593Smuzhiyun struct compat_ucontext uc;
49*4882a593Smuzhiyun compat_ulong_t retcode[2];
50*4882a593Smuzhiyun };
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun struct compat_rt_sigframe {
53*4882a593Smuzhiyun struct compat_siginfo info;
54*4882a593Smuzhiyun struct compat_sigframe sig;
55*4882a593Smuzhiyun };
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set,
58*4882a593Smuzhiyun struct pt_regs *regs);
59*4882a593Smuzhiyun int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
60*4882a593Smuzhiyun struct pt_regs *regs);
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun void compat_setup_restart_syscall(struct pt_regs *regs);
63*4882a593Smuzhiyun #else
64*4882a593Smuzhiyun
compat_setup_frame(int usid,struct ksignal * ksig,sigset_t * set,struct pt_regs * regs)65*4882a593Smuzhiyun static inline int compat_setup_frame(int usid, struct ksignal *ksig,
66*4882a593Smuzhiyun sigset_t *set, struct pt_regs *regs)
67*4882a593Smuzhiyun {
68*4882a593Smuzhiyun return -ENOSYS;
69*4882a593Smuzhiyun }
70*4882a593Smuzhiyun
compat_setup_rt_frame(int usig,struct ksignal * ksig,sigset_t * set,struct pt_regs * regs)71*4882a593Smuzhiyun static inline int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set,
72*4882a593Smuzhiyun struct pt_regs *regs)
73*4882a593Smuzhiyun {
74*4882a593Smuzhiyun return -ENOSYS;
75*4882a593Smuzhiyun }
76*4882a593Smuzhiyun
compat_setup_restart_syscall(struct pt_regs * regs)77*4882a593Smuzhiyun static inline void compat_setup_restart_syscall(struct pt_regs *regs)
78*4882a593Smuzhiyun {
79*4882a593Smuzhiyun }
80*4882a593Smuzhiyun #endif /* CONFIG_COMPAT */
81*4882a593Smuzhiyun #endif /* __ASM_SIGNAL32_H */
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