add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/c6x/include/asm/syscall.h
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@@ -1,16 +1,13 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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  * Copyright (C) 2011 Texas Instruments Incorporated
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  * Author: 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 as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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  */
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 #ifndef __ASM_C6X_SYSCALL_H
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 #define __ASM_C6X_SYSCALL_H
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+#include <uapi/linux/audit.h>
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 #include <linux/err.h>
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 #include <linux/sched.h>
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13
 
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@@ -46,78 +43,33 @@
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 }
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 static inline void syscall_get_arguments(struct task_struct *task,
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-					 struct pt_regs *regs, unsigned int i,
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-					 unsigned int n, unsigned long *args)
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+					 struct pt_regs *regs,
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+					 unsigned long *args)
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 {
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-	switch (i) {
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-	case 0:
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-		if (!n--)
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-			break;
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-		*args++ = regs->a4;
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-	case 1:
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-		if (!n--)
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-			break;
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-		*args++ = regs->b4;
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-	case 2:
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-		if (!n--)
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-			break;
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-		*args++ = regs->a6;
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-	case 3:
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-		if (!n--)
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-			break;
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-		*args++ = regs->b6;
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-	case 4:
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-		if (!n--)
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-			break;
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-		*args++ = regs->a8;
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-	case 5:
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-		if (!n--)
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-			break;
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-		*args++ = regs->b8;
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-	case 6:
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-		if (!n--)
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-			break;
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-	default:
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-		BUG();
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-	}
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+	*args++ = regs->a4;
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+	*args++ = regs->b4;
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+	*args++ = regs->a6;
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+	*args++ = regs->b6;
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+	*args++ = regs->a8;
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+	*args   = regs->b8;
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 }
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 static inline void syscall_set_arguments(struct task_struct *task,
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 					 struct pt_regs *regs,
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-					 unsigned int i, unsigned int n,
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 					 const unsigned long *args)
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 {
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-	switch (i) {
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-	case 0:
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-		if (!n--)
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-			break;
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-		regs->a4 = *args++;
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-	case 1:
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-		if (!n--)
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-			break;
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-		regs->b4 = *args++;
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-	case 2:
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-		if (!n--)
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-			break;
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-		regs->a6 = *args++;
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-	case 3:
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-		if (!n--)
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-			break;
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-		regs->b6 = *args++;
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-	case 4:
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-		if (!n--)
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-			break;
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-		regs->a8 = *args++;
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-	case 5:
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-		if (!n--)
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-			break;
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-		regs->a9 = *args++;
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-	case 6:
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-		if (!n)
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-			break;
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-	default:
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-		BUG();
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-	}
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+	regs->a4 = *args++;
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+	regs->b4 = *args++;
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+	regs->a6 = *args++;
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+	regs->b6 = *args++;
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+	regs->a8 = *args++;
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+	regs->a9 = *args;
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+}
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+
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+static inline int syscall_get_arch(struct task_struct *task)
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+{
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+	return IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)
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+		? AUDIT_ARCH_C6XBE : AUDIT_ARCH_C6X;
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 }
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 #endif /* __ASM_C6X_SYSCALLS_H */