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44 lines
995 B
44 lines
995 B
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
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/* |
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* Author: Hanlu Li <[email protected]> |
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* Huacai Chen <[email protected]> |
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* |
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* Copyright (C) 2020-2022 Loongson Technology Corporation Limited |
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*/ |
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#ifndef _UAPI_ASM_SIGCONTEXT_H |
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#define _UAPI_ASM_SIGCONTEXT_H |
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#include <linux/types.h> |
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#include <linux/posix_types.h> |
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/* FP context was used */ |
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#define SC_USED_FP (1 << 0) |
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/* Address error was due to memory load */ |
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#define SC_ADDRERR_RD (1 << 30) |
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/* Address error was due to memory store */ |
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#define SC_ADDRERR_WR (1 << 31) |
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struct sigcontext { |
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__u64 sc_pc; |
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__u64 sc_regs[32]; |
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__u32 sc_flags; |
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__u64 sc_extcontext[0] __attribute__((__aligned__(16))); |
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}; |
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#define CONTEXT_INFO_ALIGN 16 |
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struct sctx_info { |
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__u32 magic; |
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__u32 size; |
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__u64 padding; /* padding to 16 bytes */ |
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}; |
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/* FPU context */ |
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#define FPU_CTX_MAGIC 0x46505501 |
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#define FPU_CTX_ALIGN 8 |
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struct fpu_context { |
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__u64 regs[32]; |
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__u64 fcc; |
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__u32 fcsr; |
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}; |
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#endif /* _UAPI_ASM_SIGCONTEXT_H */
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