perf script: add --addr2line option

Similarly to other subcommands (like report, top), it would be handy to
provide a path for addr2line command.
Signed-off-by: Martin Liska <martin.liska@hey.com>
Cc: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/eadc3e36-029d-4848-9d69-272fe5a83a26@foxlink.czSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/Documentation/perf-script.txt

@@ -369,6 +369,9 @@ OPTIONS
 --demangle-kernel::
 	Demangle kernel symbol names to human readable form (for C++ kernels).
 
+--addr2line=<path>::
+	Path to addr2line binary.
+
 --header
 	Show perf.data header.
 

tools/perf/builtin-script.c

@@ -4052,6 +4052,8 @@ int cmd_script(int argc, const char **argv)
 			"Enable symbol demangling"),
 	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
 			"Enable kernel symbol demangling"),
+	OPT_STRING(0, "addr2line", &symbol_conf.addr2line_path, "path",
+			"addr2line binary to use for line numbers"),
 	OPT_STRING(0, "time", &script.time_str, "str",
 		   "Time span of interest (start,stop)"),
 	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,

tools/perf/util/symbol_conf.h

@@ -64,7 +64,7 @@ struct symbol_conf {
 			*sym_list_str,
 			*col_width_list_str,
 			*bt_stop_list_str;
-	char		*addr2line_path;
+	const char		*addr2line_path;
 	unsigned long	time_quantum;
        struct strlist	*dso_list,
 			*comm_list,