1 files changed, 0 insertions, 142 deletions
diff --git a/arch/nds32/include/asm/syscall.h b/arch/nds32/include/asm/syscall.h
deleted file mode 100644
index 90aa56c94af1..000000000000
--- a/arch/nds32/include/asm/syscall.h
+++ /dev/null
@@ -1,142 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-// Copyright (C) 2008-2009 Red Hat, Inc.  All rights reserved.
-// Copyright (C) 2005-2017 Andes Technology Corporation
-
-#ifndef _ASM_NDS32_SYSCALL_H
-#define _ASM_NDS32_SYSCALL_H	1
-
-#include <uapi/linux/audit.h>
-#include <linux/err.h>
-struct task_struct;
-struct pt_regs;
-
-/**
- * syscall_get_nr - find what system call a task is executing
- * @task:	task of interest, must be blocked
- * @regs:	task_pt_regs() of @task
- *
- * If @task is executing a system call or is at system call
- * tracing about to attempt one, returns the system call number.
- * If @task is not executing a system call, i.e. it's blocked
- * inside the kernel for a fault or signal, returns -1.
- *
- * Note this returns int even on 64-bit machines.  Only 32 bits of
- * system call number can be meaningful.  If the actual arch value
- * is 64 bits, this truncates to 32 bits so 0xffffffff means -1.
- *
- * It's only valid to call this when @task is known to be blocked.
- */
-static inline int
-syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
-{
-	return regs->syscallno;
-}
-
-/**
- * syscall_rollback - roll back registers after an aborted system call
- * @task:	task of interest, must be in system call exit tracing
- * @regs:	task_pt_regs() of @task
- *
- * It's only valid to call this when @task is stopped for system
- * call exit tracing (due to TIF_SYSCALL_TRACE or TIF_SYSCALL_AUDIT),
- * after tracehook_report_syscall_entry() returned nonzero to prevent
- * the system call from taking place.
- *
- * This rolls back the register state in @regs so it's as if the
- * system call instruction was a no-op.  The registers containing
- * the system call number and arguments are as they were before the
- * system call instruction.  This may not be the same as what the
- * register state looked like at system call entry tracing.
- */
-static inline void
-syscall_rollback(struct task_struct *task, struct pt_regs *regs)
-{
-	regs->uregs[0] = regs->orig_r0;
-}
-
-/**
- * syscall_get_error - check result of traced system call
- * @task:	task of interest, must be blocked
- * @regs:	task_pt_regs() of @task
- *
- * Returns 0 if the system call succeeded, or -ERRORCODE if it failed.
- *
- * It's only valid to call this when @task is stopped for tracing on exit
- * from a system call, due to %TIF_SYSCALL_TRACE or %TIF_SYSCALL_AUDIT.
- */
-static inline long
-syscall_get_error(struct task_struct *task, struct pt_regs *regs)
-{
-	unsigned long error = regs->uregs[0];
-	return IS_ERR_VALUE(error) ? error : 0;
-}
-
-/**
- * syscall_get_return_value - get the return value of a traced system call
- * @task:	task of interest, must be blocked
- * @regs:	task_pt_regs() of @task
- *
- * Returns the return value of the successful system call.
- * This value is meaningless if syscall_get_error() returned nonzero.
- *
- * It's only valid to call this when @task is stopped for tracing on exit
- * from a system call, due to %TIF_SYSCALL_TRACE or %TIF_SYSCALL_AUDIT.
- */
-static inline long
-syscall_get_return_value(struct task_struct *task, struct pt_regs *regs)
-{
-	return regs->uregs[0];
-}
-
-/**
- * syscall_set_return_value - change the return value of a traced system call
- * @task:	task of interest, must be blocked
- * @regs:	task_pt_regs() of @task
- * @error:	negative error code, or zero to indicate success
- * @val:	user return value if @error is zero
- *
- * This changes the results of the system call that user mode will see.
- * If @error is zero, the user sees a successful system call with a
- * return value of @val.  If @error is nonzero, it's a negated errno
- * code; the user sees a failed system call with this errno code.
- *
- * It's only valid to call this when @task is stopped for tracing on exit
- * from a system call, due to %TIF_SYSCALL_TRACE or %TIF_SYSCALL_AUDIT.
- */
-static inline void
-syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,
-			 int error, long val)
-{
-	regs->uregs[0] = (long)error ? error : val;
-}
-
-/**
- * syscall_get_arguments - extract system call parameter values
- * @task:	task of interest, must be blocked
- * @regs:	task_pt_regs() of @task
- * @args:	array filled with argument values
- *
- * Fetches 6 arguments to the system call (from 0 through 5). The first
- * argument is stored in @args[0], and so on.
- *
- * It's only valid to call this when @task is stopped for tracing on
- * entry to a system call, due to %TIF_SYSCALL_TRACE or %TIF_SYSCALL_AUDIT.
- */
-#define SYSCALL_MAX_ARGS 6
-static inline void
-syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
-		      unsigned long *args)
-{
-	args[0] = regs->orig_r0;
-	args++;
-	memcpy(args, &regs->uregs[0] + 1, 5 * sizeof(args[0]));
-}
-
-static inline int
-syscall_get_arch(struct task_struct *task)
-{
-	return IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)
-		? AUDIT_ARCH_NDS32BE : AUDIT_ARCH_NDS32;
-}
-
-#endif /* _ASM_NDS32_SYSCALL_H */