7383ee0531
Implement compat_setup_rt_frame for sigcontext save & restore. The main process is the same with signal, but the rv32 pt_regs' size is different from rv64's, so we needs convert them. Signed-off-by: Guo Ren <guoren@linux.alibaba.com> Signed-off-by: Guo Ren <guoren@kernel.org> Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com> Tested-by: Heiko Stuebner <heiko@sntech.de> Link: https://lore.kernel.org/r/20220405071314.3225832-19-guoren@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
19 lines
358 B
C
19 lines
358 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef __ASM_SIGNAL32_H
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#define __ASM_SIGNAL32_H
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#if IS_ENABLED(CONFIG_COMPAT)
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int compat_setup_rt_frame(struct ksignal *ksig, sigset_t *set,
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struct pt_regs *regs);
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#else
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static inline
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int compat_setup_rt_frame(struct ksignal *ksig, sigset_t *set,
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struct pt_regs *regs)
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{
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return -1;
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}
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#endif
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#endif
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