[PATCH v2 1/8] perf tools: Add dso->dbginfo_type field

[Namhyung Kim <namhyung@kernel.org>]

It saves where the debug info is available for the given DSO.  It's
sometimes different than where binary data or symbol table is located.
So let's add a new field to save the info.

Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 tools/perf/util/dso.c |  1 +
 tools/perf/util/dso.h | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 11db461f2032bc41..90a6f661278a9c81 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -1721,6 +1721,7 @@ struct dso *dso__new_id(const char *name, const struct dso_id *id)
 		dso->data.status = DSO_DATA_STATUS_UNKNOWN;
 		dso->symtab_type = DSO_BINARY_TYPE__NOT_FOUND;
 		dso->binary_type = DSO_BINARY_TYPE__NOT_FOUND;
+		dso->dbginfo_type = DSO_BINARY_TYPE__NOT_FOUND;
 		dso->is_64_bit = (sizeof(void *) == 8);
 		dso->loaded = 0;
 		dso->rel = 0;
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index e7d5f4bbf89497c0..34d187d1fc00efdc 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -328,8 +328,14 @@ DECLARE_RC_STRUCT(dso) {
 	enum dso_load_errno	load_errno;
 	u16		 long_name_len;
 	u16		 short_name_len;
+	/*
+	 * DSO file data can be spread into multiple places.  Distros usually
+	 * place debug info to a separate file.  Symbol tables may exist in
+	 * the binary or the debug file.  Let's separate them.
+	 */
 	enum dso_binary_type	symtab_type:8;
 	enum dso_binary_type	binary_type:8;
+	enum dso_binary_type	dbginfo_type:8;
 	enum dso_space_type	kernel:2;
 	enum dso_swap_type	needs_swap:2;
 	bool			is_kmod:1;
@@ -997,6 +1003,16 @@ static inline bool dso__is_kallsyms(const struct dso *dso)
 	return is_guest_kallsyms_pid_name(name);
 }
 
+static inline enum dso_binary_type dso__dbginfo_type(const struct dso *dso)
+{
+	return RC_CHK_ACCESS(dso)->dbginfo_type;
+}
+
+static inline void dso__set_dbginfo_type(struct dso *dso, enum dso_binary_type bt)
+{
+	RC_CHK_ACCESS(dso)->dbginfo_type = bt;
+}
+
 bool dso__is_object_file(const struct dso *dso);
 
 void dso__free_a2l(struct dso *dso);
-- 
2.55.0