linux-kernel - [PATCH 09/16] tools lib symbol: Introduce kallsyms2elf

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Date:	Wed, 30 Sep 2015 18:55:04 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Wang Nan <wangnan0@...wei.com>
Subject: [PATCH 09/16] tools lib symbol: Introduce kallsyms2elf_type

From: Arnaldo Carvalho de Melo <acme@...hat.com>

Map 't', 'T' (text, local, global), 'w' and 'W' (weak text, local,
global) as STT_FUNC, and the rest as STT_OBJECT

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/n/tip-sbwcixulpc5v1xuxn3xvm0nn@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/lib/symbol/kallsyms.c | 6 ++++++
 tools/lib/symbol/kallsyms.h | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/tools/lib/symbol/kallsyms.c b/tools/lib/symbol/kallsyms.c
index 18bc271a4bbc..5e431077fcd6 100644
--- a/tools/lib/symbol/kallsyms.c
+++ b/tools/lib/symbol/kallsyms.c
@@ -2,6 +2,12 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+u8 kallsyms2elf_type(char type)
+{
+	type = tolower(type);
+	return (type == 't' || type == 'w') ? STT_FUNC : STT_OBJECT;
+}
+
 int kallsyms__parse(const char *filename, void *arg,
 		    int (*process_symbol)(void *arg, const char *name,
 					  char type, u64 start))
diff --git a/tools/lib/symbol/kallsyms.h b/tools/lib/symbol/kallsyms.h
index bb86c5b76ee8..4071316a766e 100644
--- a/tools/lib/symbol/kallsyms.h
+++ b/tools/lib/symbol/kallsyms.h
@@ -17,6 +17,8 @@ static inline u8 kallsyms2elf_binding(char type)
 	return isupper(type) ? STB_GLOBAL : STB_LOCAL;
 }
 
+u8 kallsyms2elf_type(char type);
+
 int kallsyms__parse(const char *filename, void *arg,
 		    int (*process_symbol)(void *arg, const char *name,
 					  char type, u64 start));
-- 
2.1.0

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