linux-kernel - [PATCH] kallsyms exclude local symbols

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Message-ID: <87fxphzan5.wl%ysato@users.sourceforge.jp>
Date:	Thu, 07 Aug 2008 00:55:58 -0400
From:	Yoshinori Sato <ysato@...rs.sourceforge.jp>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH] kallsyms exclude local symbols

h8300's nm output include '.Lfoo' local symbols.

This is head of System.map
00000000 T __vector
00000100 T _interrupt_redirect_table
00000100 T _text
00000200 T __start
00000200 T __stext
0000024c t _exit
00000252 T __platform_gpio_table
0000025a t gpio_table
00000270 t .LFB1596
00000270 t .LM1
00000270 t .LM2
00000270 t .Ltext0
00000270 t _run_init_process
0000027a t .LM3
00000286 t .LFB1597
00000286 t .LFE1596
00000286 t .LM4
00000286 t .LM5
00000286 t _init_post
0000028a t .LM6
00000296 t .LM7
000002aa t .LM8
000002ba t .L199
000002ba t .LM9
000002c0 t .LM10

exclude local symbol patch.

Signed-off-by: Yoshinori Sato <ysato@...rs.sourceforge.jp>
---
 scripts/kallsyms.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index ad2434b..a1652da 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -106,7 +106,7 @@ static int read_symbol(FILE *in, struct sym_entry *s)
 		 is_arm_mapping_symbol(sym))
 		return -1;
 	/* exclude also MIPS ELF local symbols ($L123 instead of .L123) */
-	else if (str[0] == '$')
+	else if (str[0] == '$' || str[0] == '.')
 		return -1;
 	/* exclude debugging symbols */
 	else if (stype == 'N')
-- 
1.5.6.3

-- 
Yoshinori Sato
<ysato@...rs.sourceforge.jp>
--
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