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authorRobin Getz <robin.getz@analog.com>2006-07-10 06:25:40 +0000
committerSam Ravnborg <sam@ravnborg.org>2009-06-14 22:43:45 +0200
commit028f042613c3c99db20dd7f4e4069fbbcea92dd7 (patch)
treee23ca3d718e947a533c6e54cce9ac9b9f5f27691 /scripts/kallsyms.c
parent2185a5ecd98d2cebc6a29b07b1ea4f7334c2ccc3 (diff)
downloadleg-kernel-028f042613c3c99db20dd7f4e4069fbbcea92dd7.tar.gz
kallsyms: support kernel symbols in Blackfin on-chip memory
The Blackfin arch has a discontiguous .text layout due to having on-chip instruction memory and no virtual memory support. As such, we need to add explicit checks for these additional .text regions. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts/kallsyms.c')
-rw-r--r--scripts/kallsyms.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 6654cbed965b..fb82a5b49809 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -35,6 +35,7 @@ struct sym_entry {
static struct sym_entry *table;
static unsigned int table_size, table_cnt;
static unsigned long long _text, _stext, _etext, _sinittext, _einittext;
+static unsigned long long _stext_l1, _etext_l1, _stext_l2, _etext_l2;
static int all_symbols = 0;
static char symbol_prefix_char = '\0';
@@ -92,6 +93,14 @@ static int read_symbol(FILE *in, struct sym_entry *s)
_sinittext = s->addr;
else if (strcmp(sym, "_einittext") == 0)
_einittext = 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 (strcmp(sym, "_stext_l2") == 0)
+ _stext_l2 = s->addr;
+ else if (strcmp(sym, "_etext_l2") == 0)
+ _etext_l2 = s->addr;
else if (toupper(stype) == 'A')
{
/* Keep these useful absolute symbols */
@@ -157,7 +166,9 @@ static int symbol_valid(struct sym_entry *s)
* and inittext sections are discarded */
if (!all_symbols) {
if ((s->addr < _stext || s->addr > _etext)
- && (s->addr < _sinittext || s->addr > _einittext))
+ && (s->addr < _sinittext || s->addr > _einittext)
+ && (s->addr < _stext_l1 || s->addr > _etext_l1)
+ && (s->addr < _stext_l2 || s->addr > _etext_l2))
return 0;
/* Corner case. Discard any symbols with the same value as
* _etext _einittext; they can move between pass 1 and 2 when