1 files changed, 0 insertions, 139 deletions
diff --git a/arch/c6x/kernel/ptrace.c b/arch/c6x/kernel/ptrace.c
deleted file mode 100644
index 3cdaa8cf0ed6..000000000000
--- a/arch/c6x/kernel/ptrace.c
+++ /dev/null
@@ -1,139 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- *  Port on Texas Instruments TMS320C6x architecture
- *
- *  Copyright (C) 2004, 2006, 2009, 2010, 2011 Texas Instruments Incorporated
- *  Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
- *
- *  Updated for 2.6.34: Mark Salter <msalter@redhat.com>
- */
-#include <linux/ptrace.h>
-#include <linux/tracehook.h>
-#include <linux/regset.h>
-#include <linux/elf.h>
-#include <linux/sched/task_stack.h>
-
-#include <asm/cacheflush.h>
-
-#define PT_REG_SIZE	  (sizeof(struct pt_regs))
-
-/*
- * Called by kernel/ptrace.c when detaching.
- */
-void ptrace_disable(struct task_struct *child)
-{
-	/* nothing to do */
-}
-
-/*
- * Get a register number from live pt_regs for the specified task.
- */
-static inline long get_reg(struct task_struct *task, int regno)
-{
-	long *addr = (long *)task_pt_regs(task);
-
-	if (regno == PT_TSR || regno == PT_CSR)
-		return 0;
-
-	return addr[regno];
-}
-
-/*
- * Write contents of register REGNO in task TASK.
- */
-static inline int put_reg(struct task_struct *task,
-			  int regno,
-			  unsigned long data)
-{
-	unsigned long *addr = (unsigned long *)task_pt_regs(task);
-
-	if (regno != PT_TSR && regno != PT_CSR)
-		addr[regno] = data;
-
-	return 0;
-}
-
-/* regset get/set implementations */
-
-static int gpr_get(struct task_struct *target,
-		   const struct user_regset *regset,
-		   struct membuf to)
-{
-	return membuf_write(&to, task_pt_regs(target), sizeof(struct pt_regs));
-}
-
-enum c6x_regset {
-	REGSET_GPR,
-};
-
-static const struct user_regset c6x_regsets[] = {
-	[REGSET_GPR] = {
-		.core_note_type = NT_PRSTATUS,
-		.n = ELF_NGREG,
-		.size = sizeof(u32),
-		.align = sizeof(u32),
-		.regset_get = gpr_get,
-	},
-};
-
-static const struct user_regset_view user_c6x_native_view = {
-	.name		= "tic6x",
-	.e_machine	= EM_TI_C6000,
-	.regsets	= c6x_regsets,
-	.n		= ARRAY_SIZE(c6x_regsets),
-};
-
-const struct user_regset_view *task_user_regset_view(struct task_struct *task)
-{
-	return &user_c6x_native_view;
-}
-
-/*
- * Perform ptrace request
- */
-long arch_ptrace(struct task_struct *child, long request,
-		 unsigned long addr, unsigned long data)
-{
-	int ret = 0;
-
-	switch (request) {
-		/*
-		 * write the word at location addr.
-		 */
-	case PTRACE_POKETEXT:
-		ret = generic_ptrace_pokedata(child, addr, data);
-		if (ret == 0 && request == PTRACE_POKETEXT)
-			flush_icache_range(addr, addr + 4);
-		break;
-	default:
-		ret = ptrace_request(child, request, addr, data);
-		break;
-	}
-
-	return ret;
-}
-
-/*
- * handle tracing of system call entry
- * - return the revised system call number or ULONG_MAX to cause ENOSYS
- */
-asmlinkage unsigned long syscall_trace_entry(struct pt_regs *regs)
-{
-	if (tracehook_report_syscall_entry(regs))
-		/* tracing decided this syscall should not happen, so
-		 * We'll return a bogus call number to get an ENOSYS
-		 * error, but leave the original number in
-		 * regs->orig_a4
-		 */
-		return ULONG_MAX;
-
-	return regs->b0;
-}
-
-/*
- * handle tracing of system call exit
- */
-asmlinkage void syscall_trace_exit(struct pt_regs *regs)
-{
-	tracehook_report_syscall_exit(regs, 0);
-}