diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/kallsyms.c | 30 | ||||
| -rw-r--r-- | kernel/module.c | 12 |
2 files changed, 22 insertions, 20 deletions
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index d086c91..f1ea6f6 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -301,25 +301,20 @@ void __print_symbol(const char *fmt, unsigned long address) struct kallsym_iter { loff_t pos; - struct module *owner; unsigned long value; unsigned int nameoff; /* If iterating in core kernel symbols */ char type; char name[KSYM_NAME_LEN+1]; + char module_name[MODULE_NAME_LEN + 1]; + int exported; }; static int get_ksymbol_mod(struct kallsym_iter *iter) { - iter->owner = module_get_kallsym(iter->pos - kallsyms_num_syms, - &iter->value, &iter->type, - iter->name); - if (iter->owner == NULL) + if (module_get_kallsym(iter->pos - kallsyms_num_syms, &iter->value, + &iter->type, iter->name, iter->module_name, + &iter->exported) < 0) return 0; - - /* Label it "global" if it is exported, "local" if not exported. */ - iter->type = is_exported(iter->name, iter->owner) - ? toupper(iter->type) : tolower(iter->type); - return 1; } @@ -328,7 +323,7 @@ static unsigned long get_ksymbol_core(struct kallsym_iter *iter) { unsigned off = iter->nameoff; - iter->owner = NULL; + iter->module_name[0] = '\0'; iter->value = kallsyms_addresses[iter->pos]; iter->type = kallsyms_get_symbol_type(off); @@ -392,12 +387,17 @@ static int s_show(struct seq_file *m, void *p) if (!iter->name[0]) return 0; - if (iter->owner) + if (iter->module_name[0]) { + char type; + + /* Label it "global" if it is exported, + * "local" if not exported. */ + type = iter->exported ? toupper(iter->type) : + tolower(iter->type); seq_printf(m, "%0*lx %c %s\t[%s]\n", (int)(2*sizeof(void*)), - iter->value, iter->type, iter->name, - module_name(iter->owner)); - else + iter->value, type, iter->name, iter->module_name); + } else seq_printf(m, "%0*lx %c %s\n", (int)(2*sizeof(void*)), iter->value, iter->type, iter->name); diff --git a/kernel/module.c b/kernel/module.c index 43a529a..5ee6599 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1472,7 +1472,7 @@ static void setup_modinfo(struct module *mod, Elf_Shdr *sechdrs, } #ifdef CONFIG_KALLSYMS -int is_exported(const char *name, const struct module *mod) +static int is_exported(const char *name, const struct module *mod) { if (!mod && lookup_symbol(name, __start___ksymtab, __stop___ksymtab)) return 1; @@ -2124,8 +2124,8 @@ const char *module_address_lookup(unsigned long addr, return NULL; } -struct module *module_get_kallsym(unsigned int symnum, unsigned long *value, - char *type, char *name) +int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, + char *name, char *module_name, int *exported) { struct module *mod; @@ -2136,13 +2136,15 @@ struct module *module_get_kallsym(unsigned int symnum, unsigned long *value, *type = mod->symtab[symnum].st_info; strlcpy(name, mod->strtab + mod->symtab[symnum].st_name, KSYM_NAME_LEN + 1); + strlcpy(module_name, mod->name, MODULE_NAME_LEN + 1); + *exported = is_exported(name, mod); mutex_unlock(&module_mutex); - return mod; + return 0; } symnum -= mod->num_symtab; } mutex_unlock(&module_mutex); - return NULL; + return -ERANGE; } static unsigned long mod_find_symname(struct module *mod, const char *name) |
