1 files changed, 67 insertions, 0 deletions
diff --git a/tools/perf/util/print_insn.c b/tools/perf/util/print_insn.c
new file mode 100644
index 000000000000..02e6fbb8ca04
--- /dev/null
+++ b/tools/perf/util/print_insn.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Instruction binary disassembler based on capstone.
+ *
+ * Author(s): Changbin Du <changbin.du@huawei.com>
+ */
+#include <inttypes.h>
+#include <string.h>
+#include <stdbool.h>
+#include "capstone.h"
+#include "debug.h"
+#include "sample.h"
+#include "symbol.h"
+#include "machine.h"
+#include "thread.h"
+#include "print_insn.h"
+#include "dump-insn.h"
+#include "map.h"
+#include "dso.h"
+
+size_t sample__fprintf_insn_raw(struct perf_sample *sample, FILE *fp)
+{
+	int printed = 0;
+
+	for (int i = 0; i < sample->insn_len; i++) {
+		printed += fprintf(fp, "%02x", (unsigned char)sample->insn[i]);
+		if (sample->insn_len - i > 1)
+			printed += fprintf(fp, " ");
+	}
+	return printed;
+}
+
+static bool is64bitip(struct machine *machine, struct addr_location *al)
+{
+	const struct dso *dso = al->map ? map__dso(al->map) : NULL;
+
+	if (dso)
+		return dso__is_64_bit(dso);
+
+	return machine__is(machine, "x86_64") ||
+		machine__normalized_is(machine, "arm64") ||
+		machine__normalized_is(machine, "s390");
+}
+
+ssize_t fprintf_insn_asm(struct machine *machine, struct thread *thread, u8 cpumode,
+			 bool is64bit, const uint8_t *code, size_t code_size,
+			 uint64_t ip, int *lenp, int print_opts, FILE *fp)
+{
+	return capstone__fprintf_insn_asm(machine, thread, cpumode, is64bit, code, code_size,
+					  ip, lenp, print_opts, fp);
+}
+
+size_t sample__fprintf_insn_asm(struct perf_sample *sample, struct thread *thread,
+				struct machine *machine, FILE *fp,
+				struct addr_location *al)
+{
+	bool is64bit = is64bitip(machine, al);
+	ssize_t printed;
+
+	printed = fprintf_insn_asm(machine, thread, sample->cpumode, is64bit,
+				   (uint8_t *)sample->insn, sample->insn_len,
+				   sample->ip, NULL, 0, fp);
+	if (printed < 0)
+		return sample__fprintf_insn_raw(sample, fp);
+
+	return printed;
+}