diff options
Diffstat (limited to 'kernel/module.c')
| -rw-r--r-- | kernel/module.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/kernel/module.c b/kernel/module.c index c6e8e922dc63..f58f5e168624 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1834,6 +1834,16 @@ static inline int within(unsigned long addr, void *start, unsigned long size) } #ifdef CONFIG_KALLSYMS +/* + * This ignores the intensely annoying "mapping symbols" found + * in ARM ELF files: $a, $t and $d. + */ +static inline int is_arm_mapping_symbol(const char *str) +{ + return str[0] == '$' && strchr("atd", str[1]) + && (str[2] == '\0' || str[2] == '.'); +} + static const char *get_ksymbol(struct module *mod, unsigned long addr, unsigned long *size, @@ -1858,11 +1868,13 @@ static const char *get_ksymbol(struct module *mod, * and inserted at a whim. */ if (mod->symtab[i].st_value <= addr && mod->symtab[i].st_value > mod->symtab[best].st_value - && *(mod->strtab + mod->symtab[i].st_name) != '\0' ) + && *(mod->strtab + mod->symtab[i].st_name) != '\0' + && !is_arm_mapping_symbol(mod->strtab + mod->symtab[i].st_name)) best = i; if (mod->symtab[i].st_value > addr && mod->symtab[i].st_value < nextval - && *(mod->strtab + mod->symtab[i].st_name) != '\0') + && *(mod->strtab + mod->symtab[i].st_name) != '\0' + && !is_arm_mapping_symbol(mod->strtab + mod->symtab[i].st_name)) nextval = mod->symtab[i].st_value; } |