diff options
Diffstat (limited to 'scripts/kallsyms.c')
| -rw-r--r-- | scripts/kallsyms.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index 3df15f5e7c55..1237dd7fb4ca 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -51,9 +51,14 @@ static struct addr_range text_ranges[] = { #define text_range_text (&text_ranges[0]) #define text_range_inittext (&text_ranges[1]) +static struct addr_range percpu_range = { + "__per_cpu_start", "__per_cpu_end", -1ULL, 0 +}; + static struct sym_entry *table; static unsigned int table_size, table_cnt; static int all_symbols = 0; +static int absolute_percpu = 0; static char symbol_prefix_char = '\0'; static unsigned long long kernel_start_addr = 0; @@ -166,6 +171,9 @@ static int read_symbol(FILE *in, struct sym_entry *s) strcpy((char *)s->sym + 1, str); s->sym[0] = stype; + /* Record if we've found __per_cpu_start/end. */ + check_symbol_range(sym, s->addr, &percpu_range, 1); + return 0; } @@ -657,6 +665,15 @@ static void sort_symbols(void) qsort(table, table_cnt, sizeof(struct sym_entry), compare_symbols); } +static void make_percpus_absolute(void) +{ + unsigned int i; + + for (i = 0; i < table_cnt; i++) + if (symbol_in_range(&table[i], &percpu_range, 1)) + table[i].sym[0] = 'A'; +} + int main(int argc, char **argv) { if (argc >= 2) { @@ -664,6 +681,8 @@ int main(int argc, char **argv) for (i = 1; i < argc; i++) { if(strcmp(argv[i], "--all-symbols") == 0) all_symbols = 1; + else if (strcmp(argv[i], "--absolute-percpu") == 0) + absolute_percpu = 1; else if (strncmp(argv[i], "--symbol-prefix=", 16) == 0) { char *p = &argv[i][16]; /* skip quote */ @@ -680,6 +699,8 @@ int main(int argc, char **argv) usage(); read_map(stdin); + if (absolute_percpu) + make_percpus_absolute(); sort_symbols(); optimize_token_table(); write_src(); |
