Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761438AbYA3KXB (ORCPT ); Wed, 30 Jan 2008 05:23:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759600AbYA3KU5 (ORCPT ); Wed, 30 Jan 2008 05:20:57 -0500 Received: from nwd2mail10.analog.com ([137.71.25.55]:20635 "EHLO nwd2mail10.analog.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759548AbYA3KU4 (ORCPT ); Wed, 30 Jan 2008 05:20:56 -0500 X-IronPort-AV: E=Sophos;i="4.25,276,1199682000"; d="scan'208";a="61207061" From: Bryan Wu To: linux-kernel@vger.kernel.org Cc: Robin Getz , Bryan Wu Subject: [PATCH 1/1] [Kallsyms] Blackfin: Allow kernel symbols in L1 to be found Date: Wed, 30 Jan 2008 18:20:53 +0800 Message-Id: <1201688453-1763-1-git-send-email-bryan.wu@analog.com> X-Mailer: git-send-email 1.5.3.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2939 Lines: 75 From: Robin Getz Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- kernel/kallsyms.c | 6 +++++- scripts/kallsyms.c | 10 +++++++++- 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index 7dadc71..714bd5b 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -63,7 +63,11 @@ static inline int is_kernel_extratext(unsigned long addr) static inline int is_kernel_text(unsigned long addr) { - if (addr >= (unsigned long)_stext && addr <= (unsigned long)_etext) + if ((addr >= (unsigned long)_stext && addr <= (unsigned long)_etext) +#if defined(CONFIG_BLACKFIN) + || (addr >= (unsigned long)_stext_l1 && addr <= (unsigned long)_etext_l1) +#endif + ) return 1; return in_gate_area_no_task(addr); } diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index 1f11d84..8775981 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -12,6 +12,8 @@ * (25/Aug/2004) Paulo Marques * Changed the compression method from stem compression to "table lookup" * compression + * (10/Jul/2006) Robin Getz + * Add _stext_l1, _etext_l1 for the L1 memory section in Blackfin. * * Table compression uses all the unused char codes on the symbols and * maps these to the most used substrings (tokens). For instance, it might @@ -42,6 +44,7 @@ struct sym_entry { static struct sym_entry *table; static unsigned int table_size, table_cnt; static unsigned long long _text, _stext, _etext, _sinittext, _einittext, _sextratext, _eextratext; +static unsigned long long _stext_l1, _etext_l1; static int all_symbols = 0; static char symbol_prefix_char = '\0'; @@ -103,6 +106,10 @@ static int read_symbol(FILE *in, struct sym_entry *s) _sextratext = s->addr; else if (strcmp(sym, "_eextratext") == 0) _eextratext = s->addr; + else if (strcmp(sym, "_stext_l1" ) == 0) + _stext_l1 = s->addr; + else if (strcmp(sym, "_etext_l1" ) == 0) + _etext_l1 = s->addr; else if (toupper(stype) == 'A') { /* Keep these useful absolute symbols */ @@ -166,7 +173,8 @@ static int symbol_valid(struct sym_entry *s) if (!all_symbols) { if ((s->addr < _stext || s->addr > _etext) && (s->addr < _sinittext || s->addr > _einittext) - && (s->addr < _sextratext || s->addr > _eextratext)) + && (s->addr < _sextratext || s->addr > _eextratext) + && (s->addr < _stext_l1 || s->addr > _etext_l1)) return 0; /* Corner case. Discard any symbols with the same value as * _etext _einittext or _eextratext; they can move between pass -- 1.5.3.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/