1 files changed, 0 insertions, 118 deletions
diff --git a/arch/nds32/kernel/ptrace.c b/arch/nds32/kernel/ptrace.c
deleted file mode 100644
index d0eda870fbc2..000000000000
--- a/arch/nds32/kernel/ptrace.c
+++ /dev/null
@@ -1,118 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-// Copyright (C) 2005-2017 Andes Technology Corporation
-
-#include <linux/ptrace.h>
-#include <linux/regset.h>
-#include <linux/tracehook.h>
-#include <linux/elf.h>
-#include <linux/sched/task_stack.h>
-
-enum nds32_regset {
-	REGSET_GPR,
-};
-
-static int gpr_get(struct task_struct *target,
-		   const struct user_regset *regset,
-		   struct membuf to)
-{
-	return membuf_write(&to, &task_pt_regs(target)->user_regs,
-				sizeof(struct user_pt_regs));
-}
-
-static int gpr_set(struct task_struct *target, const struct user_regset *regset,
-		   unsigned int pos, unsigned int count,
-		   const void *kbuf, const void __user * ubuf)
-{
-	int err;
-	struct user_pt_regs newregs = task_pt_regs(target)->user_regs;
-
-	err = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &newregs, 0, -1);
-	if (err)
-		return err;
-
-	task_pt_regs(target)->user_regs = newregs;
-	return 0;
-}
-
-static const struct user_regset nds32_regsets[] = {
-	[REGSET_GPR] = {
-			.core_note_type = NT_PRSTATUS,
-			.n = sizeof(struct user_pt_regs) / sizeof(u32),
-			.size = sizeof(elf_greg_t),
-			.align = sizeof(elf_greg_t),
-			.regset_get = gpr_get,
-			.set = gpr_set}
-};
-
-static const struct user_regset_view nds32_user_view = {
-	.name = "nds32",
-	.e_machine = EM_NDS32,
-	.regsets = nds32_regsets,
-	.n = ARRAY_SIZE(nds32_regsets)
-};
-
-const struct user_regset_view *task_user_regset_view(struct task_struct *task)
-{
-	return &nds32_user_view;
-}
-
-void ptrace_disable(struct task_struct *child)
-{
-	user_disable_single_step(child);
-}
-
-/* do_ptrace()
- *
- * Provide ptrace defined service.
- */
-long arch_ptrace(struct task_struct *child, long request, unsigned long addr,
-		 unsigned long data)
-{
-	int ret = -EIO;
-
-	switch (request) {
-	default:
-		ret = ptrace_request(child, request, addr, data);
-		break;
-	}
-
-	return ret;
-}
-
-void user_enable_single_step(struct task_struct *child)
-{
-	struct pt_regs *regs;
-	regs = task_pt_regs(child);
-	regs->ipsw |= PSW_mskHSS;
-	set_tsk_thread_flag(child, TIF_SINGLESTEP);
-}
-
-void user_disable_single_step(struct task_struct *child)
-{
-	struct pt_regs *regs;
-	regs = task_pt_regs(child);
-	regs->ipsw &= ~PSW_mskHSS;
-	clear_tsk_thread_flag(child, TIF_SINGLESTEP);
-}
-
-/* sys_trace()
- *
- * syscall trace handler.
- */
-
-asmlinkage int syscall_trace_enter(struct pt_regs *regs)
-{
-	if (test_thread_flag(TIF_SYSCALL_TRACE)) {
-		if (tracehook_report_syscall_entry(regs))
-			forget_syscall(regs);
-	}
-	return regs->syscallno;
-}
-
-asmlinkage void syscall_trace_leave(struct pt_regs *regs)
-{
-	int step = test_thread_flag(TIF_SINGLESTEP);
-	if (step || test_thread_flag(TIF_SYSCALL_TRACE))
-		tracehook_report_syscall_exit(regs, step);
-
-}