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Diffstat (limited to 'arch/loongarch/include/uapi/asm/sigcontext.h')
-rw-r--r--arch/loongarch/include/uapi/asm/sigcontext.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/loongarch/include/uapi/asm/sigcontext.h b/arch/loongarch/include/uapi/asm/sigcontext.h
new file mode 100644
index 000000000000..52e49b8bf4be
--- /dev/null
+++ b/arch/loongarch/include/uapi/asm/sigcontext.h
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * Author: Hanlu Li <lihanlu@loongson.cn>
+ * Huacai Chen <chenhuacai@loongson.cn>
+ *
+ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
+ */
+#ifndef _UAPI_ASM_SIGCONTEXT_H
+#define _UAPI_ASM_SIGCONTEXT_H
+
+#include <linux/types.h>
+#include <linux/posix_types.h>
+
+/* FP context was used */
+#define SC_USED_FP (1 << 0)
+/* Address error was due to memory load */
+#define SC_ADDRERR_RD (1 << 30)
+/* Address error was due to memory store */
+#define SC_ADDRERR_WR (1 << 31)
+
+struct sigcontext {
+ __u64 sc_pc;
+ __u64 sc_regs[32];
+ __u32 sc_flags;
+ __u64 sc_extcontext[0] __attribute__((__aligned__(16)));
+};
+
+#define CONTEXT_INFO_ALIGN 16
+struct sctx_info {
+ __u32 magic;
+ __u32 size;
+ __u64 padding; /* padding to 16 bytes */
+};
+
+/* FPU context */
+#define FPU_CTX_MAGIC 0x46505501
+#define FPU_CTX_ALIGN 8
+struct fpu_context {
+ __u64 regs[32];
+ __u64 fcc;
+ __u32 fcsr;
+};
+
+#endif /* _UAPI_ASM_SIGCONTEXT_H */