1 files changed, 0 insertions, 43 deletions
diff --git a/tools/perf/arch/s390/util/dwarf-regs.c b/tools/perf/arch/s390/util/dwarf-regs.c
deleted file mode 100644
index dfddb3099bfa..000000000000
--- a/tools/perf/arch/s390/util/dwarf-regs.c
+++ /dev/null
@@ -1,43 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Mapping of DWARF debug register numbers into register names.
- *
- * Copyright IBM Corp. 2010, 2017
- * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
- *
- */
-
-#include <errno.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <linux/kernel.h>
-#include <asm/ptrace.h>
-#include <string.h>
-#include <dwarf-regs.h>
-#include "dwarf-regs-table.h"
-
-const char *get_arch_regstr(unsigned int n)
-{
-	return (n >= ARRAY_SIZE(s390_dwarf_regs)) ? NULL : s390_dwarf_regs[n];
-}
-
-/*
- * Convert the register name into an offset to struct pt_regs (kernel).
- * This is required by the BPF prologue generator.  The BPF
- * program is called in the BPF overflow handler in the perf
- * core.
- */
-int regs_query_register_offset(const char *name)
-{
-	unsigned long gpr;
-
-	if (!name || strncmp(name, "%r", 2))
-		return -EINVAL;
-
-	errno = 0;
-	gpr = strtoul(name + 2, NULL, 10);
-	if (errno || gpr >= 16)
-		return -EINVAL;
-
-	return offsetof(user_pt_regs, gprs) + 8 * gpr;
-}