1 files changed, 58 insertions, 0 deletions
diff --git a/tools/perf/util/print_binary.c b/tools/perf/util/print_binary.c
new file mode 100644
index 000000000..13fdc51c6
--- /dev/null
+++ b/tools/perf/util/print_binary.c
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "print_binary.h"
+#include <linux/log2.h>
+#include <linux/ctype.h>
+
+int binary__fprintf(unsigned char *data, size_t len,
+		    size_t bytes_per_line, binary__fprintf_t printer,
+		    void *extra, FILE *fp)
+{
+	size_t i, j, mask;
+	int printed = 0;
+
+	if (!printer)
+		return 0;
+
+	bytes_per_line = roundup_pow_of_two(bytes_per_line);
+	mask = bytes_per_line - 1;
+
+	printed += printer(BINARY_PRINT_DATA_BEGIN, 0, extra, fp);
+	for (i = 0; i < len; i++) {
+		if ((i & mask) == 0) {
+			printed += printer(BINARY_PRINT_LINE_BEGIN, -1, extra, fp);
+			printed += printer(BINARY_PRINT_ADDR, i, extra, fp);
+		}
+
+		printed += printer(BINARY_PRINT_NUM_DATA, data[i], extra, fp);
+
+		if (((i & mask) == mask) || i == len - 1) {
+			for (j = 0; j < mask-(i & mask); j++)
+				printed += printer(BINARY_PRINT_NUM_PAD, -1, extra, fp);
+
+			printer(BINARY_PRINT_SEP, i, extra, fp);
+			for (j = i & ~mask; j <= i; j++)
+				printed += printer(BINARY_PRINT_CHAR_DATA, data[j], extra, fp);
+			for (j = 0; j < mask-(i & mask); j++)
+				printed += printer(BINARY_PRINT_CHAR_PAD, i, extra, fp);
+			printed += printer(BINARY_PRINT_LINE_END, -1, extra, fp);
+		}
+	}
+	printed += printer(BINARY_PRINT_DATA_END, -1, extra, fp);
+	return printed;
+}
+
+int is_printable_array(char *p, unsigned int len)
+{
+	unsigned int i;
+
+	if (!p || !len || p[len - 1] != 0)
+		return 0;
+
+	len--;
+
+	for (i = 0; i < len && p[i]; i++) {
+		if (!isprint(p[i]) && !isspace(p[i]))
+			return 0;
+	}
+	return 1;
+}