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Subject[PATCH 1/1 try #2] [Kallsyms] Blackfin: Allow kernel symbols in L1 to be found
From
Date
>From 027addca9ed40f16b4238a92ca6b871ca301c139 Mon Sep 17 00:00:00 2001
From: Robin Getz <robin.getz@analog.com>
Date: Thu, 31 Jan 2008 01:21:25 +0800
Subject: [PATCH] [Kallsyms] Blackfin: Allow kernel symbols in L1 to be found

Add _stext_l1, _etext_l1 for the L1 memory section in Blackfin.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
---
kernel/kallsyms.c | 6 +++++-
scripts/kallsyms.c | 8 +++++++-
2 files changed, 12 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..5271db7 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -42,6 +42,7 @@ 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 +104,10 @@ 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 +171,8 @@ 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


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