add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/c6x/kernel/ptrace.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  Port on Texas Instruments TMS320C6x architecture
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  *
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@@ -5,10 +6,6 @@
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  *  Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
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  *
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  *  Updated for 2.6.34: Mark Salter <msalter@redhat.com>
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- *
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License version 2 as
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- *  published by the Free Software Foundation.
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  */
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 #include <linux/ptrace.h>
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 #include <linux/tracehook.h>
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@@ -60,14 +57,9 @@
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 static int gpr_get(struct task_struct *target,
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 		   const struct user_regset *regset,
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-		   unsigned int pos, unsigned int count,
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-		   void *kbuf, void __user *ubuf)
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+		   struct membuf to)
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 {
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-	struct pt_regs *regs = task_pt_regs(target);
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-
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-	return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
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-				   regs,
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-				   0, sizeof(*regs));
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+	return membuf_write(&to, task_pt_regs(target), sizeof(struct pt_regs));
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 }
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 enum c6x_regset {
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@@ -80,7 +72,7 @@
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 		.n = ELF_NGREG,
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 		.size = sizeof(u32),
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 		.align = sizeof(u32),
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-		.get = gpr_get,
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+		.regset_get = gpr_get,
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 	},
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 };
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