diff options
Diffstat (limited to 'arch/arm64/include/asm/signal32.h')
| -rw-r--r-- | arch/arm64/include/asm/signal32.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/signal32.h b/arch/arm64/include/asm/signal32.h new file mode 100644 index 000000000..7e9f163d0 --- /dev/null +++ b/arch/arm64/include/asm/signal32.h @@ -0,0 +1,81 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2012 ARM Ltd. + */ +#ifndef __ASM_SIGNAL32_H +#define __ASM_SIGNAL32_H + +#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 /* __ASM_SIGNAL32_H */ |