471aba2e47
The real-time signals enlarged the sigset_t type, and most architectures have changed to using rt_sigreturn as the only way. The riscv is one of them, and there is no sys_sigreturn in it. Only some old architecture preserved sys_sigreturn as part of the historical burden. Signed-off-by: Guo Ren <guoren@linux.alibaba.com> Signed-off-by: Guo Ren <guoren@kernel.org> Link: https://lore.kernel.org/r/20230628091213.2908149-1-guoren@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
41 lines
910 B
C
41 lines
910 B
C
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
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/*
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* Copyright (C) 2012 Regents of the University of California
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*/
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#ifndef _UAPI_ASM_RISCV_SIGCONTEXT_H
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#define _UAPI_ASM_RISCV_SIGCONTEXT_H
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#include <asm/ptrace.h>
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/* The Magic number for signal context frame header. */
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#define RISCV_V_MAGIC 0x53465457
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#define END_MAGIC 0x0
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/* The size of END signal context header. */
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#define END_HDR_SIZE 0x0
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#ifndef __ASSEMBLY__
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struct __sc_riscv_v_state {
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struct __riscv_v_ext_state v_state;
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} __attribute__((aligned(16)));
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/*
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* Signal context structure
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*
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* This contains the context saved before a signal handler is invoked;
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* it is restored by sys_rt_sigreturn.
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*/
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struct sigcontext {
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struct user_regs_struct sc_regs;
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union {
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union __riscv_fp_state sc_fpregs;
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struct __riscv_extra_ext_header sc_extdesc;
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};
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};
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#endif /*!__ASSEMBLY__*/
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#endif /* _UAPI_ASM_RISCV_SIGCONTEXT_H */
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