1 files changed, 0 insertions, 105 deletions
diff --git a/tools/perf/arch/arm64/util/perf_regs.c b/tools/perf/arch/arm64/util/perf_regs.c
deleted file mode 100644
index 47f58eaba032..000000000000
--- a/tools/perf/arch/arm64/util/perf_regs.c
+++ /dev/null
@@ -1,105 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <errno.h>
-#include <regex.h>
-#include <string.h>
-#include <sys/auxv.h>
-#include <linux/kernel.h>
-#include <linux/zalloc.h>
-
-#include "perf_regs.h"
-#include "../../../perf-sys.h"
-#include "../../../util/debug.h"
-#include "../../../util/event.h"
-#include "../../../util/perf_regs.h"
-
-#define SMPL_REG_MASK(b) (1ULL << (b))
-
-#ifndef HWCAP_SVE
-#define HWCAP_SVE	(1 << 22)
-#endif
-
-/* %xNUM */
-#define SDT_OP_REGEX1  "^(x[1-2]?[0-9]|3[0-1])$"
-
-/* [sp], [sp, NUM] */
-#define SDT_OP_REGEX2  "^\\[sp(, )?([0-9]+)?\\]$"
-
-static regex_t sdt_op_regex1, sdt_op_regex2;
-
-static int sdt_init_op_regex(void)
-{
-	static int initialized;
-	int ret = 0;
-
-	if (initialized)
-		return 0;
-
-	ret = regcomp(&sdt_op_regex1, SDT_OP_REGEX1, REG_EXTENDED);
-	if (ret)
-		goto error;
-
-	ret = regcomp(&sdt_op_regex2, SDT_OP_REGEX2, REG_EXTENDED);
-	if (ret)
-		goto free_regex1;
-
-	initialized = 1;
-	return 0;
-
-free_regex1:
-	regfree(&sdt_op_regex1);
-error:
-	pr_debug4("Regex compilation error.\n");
-	return ret;
-}
-
-/*
- * SDT marker arguments on Arm64 uses %xREG or [sp, NUM], currently
- * support these two formats.
- */
-int arch_sdt_arg_parse_op(char *old_op, char **new_op)
-{
-	int ret, new_len;
-	regmatch_t rm[5];
-
-	ret = sdt_init_op_regex();
-	if (ret < 0)
-		return ret;
-
-	if (!regexec(&sdt_op_regex1, old_op, 3, rm, 0)) {
-		/* Extract xNUM */
-		new_len = 2;	/* % NULL */
-		new_len += (int)(rm[1].rm_eo - rm[1].rm_so);
-
-		*new_op = zalloc(new_len);
-		if (!*new_op)
-			return -ENOMEM;
-
-		scnprintf(*new_op, new_len, "%%%.*s",
-			(int)(rm[1].rm_eo - rm[1].rm_so), old_op + rm[1].rm_so);
-	} else if (!regexec(&sdt_op_regex2, old_op, 5, rm, 0)) {
-		/* [sp], [sp, NUM] or [sp,NUM] */
-		new_len = 7;	/* + ( % s p ) NULL */
-
-		/* If the argument is [sp], need to fill offset '0' */
-		if (rm[2].rm_so == -1)
-			new_len += 1;
-		else
-			new_len += (int)(rm[2].rm_eo - rm[2].rm_so);
-
-		*new_op = zalloc(new_len);
-		if (!*new_op)
-			return -ENOMEM;
-
-		if (rm[2].rm_so == -1)
-			scnprintf(*new_op, new_len, "+0(%%sp)");
-		else
-			scnprintf(*new_op, new_len, "+%.*s(%%sp)",
-				  (int)(rm[2].rm_eo - rm[2].rm_so),
-				  old_op + rm[2].rm_so);
-	} else {
-		pr_debug4("Skipping unsupported SDT argument: %s\n", old_op);
-		return SDT_ARG_SKIP;
-	}
-
-	return SDT_ARG_VALID;
-}