[PATCH v8 04/17] perf print_insn: Use e_machine for fallback IP length check

[Ian Rogers]

Avoid string comparisons with perf_env arch, switch to using the more
precise ELF machine.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
 tools/perf/util/print_insn.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/print_insn.c b/tools/perf/util/print_insn.c
index 02e6fbb8ca04..5e36344174d6 100644
--- a/tools/perf/util/print_insn.c
+++ b/tools/perf/util/print_insn.c
@@ -9,6 +9,7 @@
 #include <stdbool.h>
 #include "capstone.h"
 #include "debug.h"
+#include "env.h"
 #include "sample.h"
 #include "symbol.h"
 #include "machine.h"
@@ -17,6 +18,7 @@
 #include "dump-insn.h"
 #include "map.h"
 #include "dso.h"
+#include <elf.h>
 
 size_t sample__fprintf_insn_raw(struct perf_sample *sample, FILE *fp)
 {
@@ -33,13 +35,13 @@ size_t sample__fprintf_insn_raw(struct perf_sample *sample, FILE *fp)
 static bool is64bitip(struct machine *machine, struct addr_location *al)
 {
 	const struct dso *dso = al->map ? map__dso(al->map) : NULL;
+	uint16_t e_machine;
 
 	if (dso)
 		return dso__is_64_bit(dso);
 
-	return machine__is(machine, "x86_64") ||
-		machine__normalized_is(machine, "arm64") ||
-		machine__normalized_is(machine, "s390");
+	e_machine = perf_env__e_machine(machine->env, /*e_flags=*/NULL);
+	return e_machine == EM_X86_64 || e_machine == EM_AARCH64 || e_machine == EM_S390;
 }
 
 ssize_t fprintf_insn_asm(struct machine *machine, struct thread *thread, u8 cpumode,
-- 
2.54.0.545.g6539524ca2-goog