m68k: uapi: Add ucontext.h

ucontext.h should be an UAPI header as it is used for the kernel's
signal handling interface.

Move the header to the uapi/ directory.

While at it, also add some necessary includes to the new header.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://patch.msgid.link/20260314-uapi-ucontext-m68k-v1-1-1b8b0e082b79@weissschuh.net
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

diff --git a/arch/m68k/include/asm/ucontext.h b/arch/m68k/include/asm/ucontext.h
deleted file mode 100644 (file)
index 1523a8e..0000000
--- a/arch/m68k/include/asm/ucontext.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _M68K_UCONTEXT_H
-#define _M68K_UCONTEXT_H
-
-typedef int greg_t;
-#define NGREG 18
-typedef greg_t gregset_t[NGREG];
-
-typedef struct fpregset {
-       int f_fpcntl[3];
-       int f_fpregs[8*3];
-} fpregset_t;
-
-struct mcontext {
-       int version;
-       gregset_t gregs;
-       fpregset_t fpregs;
-};
-
-#define MCONTEXT_VERSION 2
-
-struct ucontext {
-       unsigned long     uc_flags;
-       struct ucontext  *uc_link;
-       stack_t           uc_stack;
-       struct mcontext   uc_mcontext;
-       unsigned long     uc_filler[80];
-       sigset_t          uc_sigmask;   /* mask last for extensibility */
-};
-
-#endif

diff --git a/arch/m68k/include/uapi/asm/ucontext.h b/arch/m68k/include/uapi/asm/ucontext.h
new file mode 100644 (file)
index 0000000..ffac691
--- /dev/null
+++ b/arch/m68k/include/uapi/asm/ucontext.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _M68K_UCONTEXT_H
+#define _M68K_UCONTEXT_H
+
+#include <asm/sigcontext.h>
+#include <asm/signal.h>
+
+typedef int greg_t;
+#define NGREG 18
+typedef greg_t gregset_t[NGREG];
+
+typedef struct fpregset {
+       int f_fpcntl[3];
+       int f_fpregs[8*3];
+} fpregset_t;
+
+struct mcontext {
+       int version;
+       gregset_t gregs;
+       fpregset_t fpregs;
+};
+
+#define MCONTEXT_VERSION 2
+
+struct ucontext {
+       unsigned long     uc_flags;
+       struct ucontext  *uc_link;
+       stack_t           uc_stack;
+       struct mcontext   uc_mcontext;
+       unsigned long     uc_filler[80];
+       sigset_t          uc_sigmask;   /* mask last for extensibility */
+};
+
+#endif