Messages in this thread Patch in this message | | | From | 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 |
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From: Robin Getz <robin.getz@analog.com>
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 | 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 <pmarques@grupopie.com> * Changed the compression method from stem compression to "table lookup" * compression + * (10/Jul/2006) Robin Getz <rgetz@blackfin.uclinux.org> + * 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
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