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-rw-r--r--include/linux/module.h67
1 files changed, 48 insertions, 19 deletions
diff --git a/include/linux/module.h b/include/linux/module.h
index 1153b0d99a80..5faa1fb1f4b4 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -52,9 +52,9 @@ struct module_kobject {
struct module_attribute {
struct attribute attr;
- ssize_t (*show)(struct module_attribute *, struct module_kobject *,
+ ssize_t (*show)(const struct module_attribute *, struct module_kobject *,
char *);
- ssize_t (*store)(struct module_attribute *, struct module_kobject *,
+ ssize_t (*store)(const struct module_attribute *, struct module_kobject *,
const char *, size_t count);
void (*setup)(struct module *, const char *);
int (*test)(struct module *);
@@ -67,10 +67,10 @@ struct module_version_attribute {
const char *version;
};
-extern ssize_t __modver_version_show(struct module_attribute *,
+extern ssize_t __modver_version_show(const struct module_attribute *,
struct module_kobject *, char *);
-extern struct module_attribute module_uevent;
+extern const struct module_attribute module_uevent;
/* These are either module local, or the kernel's dummy ones. */
extern int init_module(void);
@@ -162,6 +162,8 @@ extern void cleanup_module(void);
#define __INITRODATA_OR_MODULE __INITRODATA
#endif /*CONFIG_MODULES*/
+struct module_kobject *lookup_or_create_module_kobject(const char *name);
+
/* Generic info of form tag = "info" */
#define MODULE_INFO(tag, info) __MODULE_INFO(tag, tag, info)
@@ -174,6 +176,12 @@ extern void cleanup_module(void);
#define MODULE_SOFTDEP(_softdep) MODULE_INFO(softdep, _softdep)
/*
+ * Weak module dependencies. See man modprobe.d for details.
+ * Example: MODULE_WEAKDEP("module-foo")
+ */
+#define MODULE_WEAKDEP(_weakdep) MODULE_INFO(weakdep, _weakdep)
+
+/*
* MODULE_FILE is used for generating modules.builtin
* So, make it no-op when this is being built as a module
*/
@@ -241,8 +249,8 @@ extern void cleanup_module(void);
#ifdef MODULE
/* Creates an alias so file2alias.c can find device table. */
#define MODULE_DEVICE_TABLE(type, name) \
-extern typeof(name) __mod_##type##__##name##_device_table \
- __attribute__ ((unused, alias(__stringify(name))))
+static typeof(name) __mod_device_table__##type##__##name \
+ __attribute__ ((used, alias(__stringify(name))))
#else /* !MODULE */
#define MODULE_DEVICE_TABLE(type, name)
#endif
@@ -269,7 +277,7 @@ extern typeof(name) __mod_##type##__##name##_device_table \
#else
#define MODULE_VERSION(_version) \
MODULE_INFO(version, _version); \
- static struct module_version_attribute __modver_attr \
+ static const struct module_version_attribute __modver_attr \
__used __section("__modver") \
__aligned(__alignof__(struct module_version_attribute)) \
= { \
@@ -290,7 +298,7 @@ extern typeof(name) __mod_##type##__##name##_device_table \
* files require multiple MODULE_FIRMWARE() specifiers */
#define MODULE_FIRMWARE(_firmware) MODULE_INFO(firmware, _firmware)
-#define MODULE_IMPORT_NS(ns) MODULE_INFO(import_ns, __stringify(ns))
+#define MODULE_IMPORT_NS(ns) MODULE_INFO(import_ns, ns)
struct notifier_block;
@@ -300,7 +308,10 @@ extern int modules_disabled; /* for sysctl */
/* Get/put a kernel symbol (calls must be symmetric) */
void *__symbol_get(const char *symbol);
void *__symbol_get_gpl(const char *symbol);
-#define symbol_get(x) ((typeof(&x))(__symbol_get(__stringify(x))))
+#define symbol_get(x) ({ \
+ static const char __notrim[] \
+ __used __section(".no_trim_symbol") = __stringify(x); \
+ (typeof(&x))(__symbol_get(__stringify(x))); })
/* modules using other modules: kdb wants to see this. */
struct module_use {
@@ -361,6 +372,7 @@ enum mod_mem_type {
struct module_memory {
void *base;
+ bool is_rox;
unsigned int size;
#ifdef CONFIG_MODULES_TREE_LOOKUP
@@ -422,7 +434,7 @@ struct module {
/* Exported symbols */
const struct kernel_symbol *syms;
- const s32 *crcs;
+ const u32 *crcs;
unsigned int num_syms;
#ifdef CONFIG_ARCH_USES_CFI_TRAPS
@@ -440,7 +452,7 @@ struct module {
/* GPL-only exported symbols. */
unsigned int num_gpl_syms;
const struct kernel_symbol *gpl_syms;
- const s32 *gpl_crcs;
+ const u32 *gpl_crcs;
bool using_gplonly_symbols;
#ifdef CONFIG_MODULE_SIG
@@ -509,7 +521,9 @@ struct module {
#endif
#ifdef CONFIG_DEBUG_INFO_BTF_MODULES
unsigned int btf_data_size;
+ unsigned int btf_base_data_size;
void *btf_data;
+ void *btf_base_data;
#endif
#ifdef CONFIG_JUMP_LABEL
struct jump_entry *jump_entries;
@@ -605,6 +619,11 @@ static inline bool module_is_live(struct module *mod)
return mod->state != MODULE_STATE_GOING;
}
+static inline bool module_is_coming(struct module *mod)
+{
+ return mod->state == MODULE_STATE_COMING;
+}
+
struct module *__module_text_address(unsigned long addr);
struct module *__module_address(unsigned long addr);
bool is_module_address(unsigned long addr);
@@ -648,7 +667,7 @@ static inline bool within_module(unsigned long addr, const struct module *mod)
return within_module_init(addr, mod) || within_module_core(addr, mod);
}
-/* Search for module by name: must be in a RCU-sched critical section. */
+/* Search for module by name: must be in a RCU critical section. */
struct module *find_module(const char *name);
extern void __noreturn __module_put_and_kthread_exit(struct module *mod,
@@ -754,6 +773,8 @@ static inline bool is_livepatch_module(struct module *mod)
void set_module_sig_enforced(void);
+void module_for_each_mod(int(*func)(struct module *mod, void *data), void *data);
+
#else /* !CONFIG_MODULES... */
static inline struct module *__module_address(unsigned long addr)
@@ -857,6 +878,14 @@ void *dereference_module_function_descriptor(struct module *mod, void *ptr)
return ptr;
}
+static inline bool module_is_coming(struct module *mod)
+{
+ return false;
+}
+
+static inline void module_for_each_mod(int(*func)(struct module *mod, void *data), void *data)
+{
+}
#endif /* CONFIG_MODULES */
#ifdef CONFIG_SYSFS
@@ -922,11 +951,11 @@ int module_kallsyms_on_each_symbol(const char *modname,
* least KSYM_NAME_LEN long: a pointer to namebuf is returned if
* found, otherwise NULL.
*/
-const char *module_address_lookup(unsigned long addr,
- unsigned long *symbolsize,
- unsigned long *offset,
- char **modname, const unsigned char **modbuildid,
- char *namebuf);
+int module_address_lookup(unsigned long addr,
+ unsigned long *symbolsize,
+ unsigned long *offset,
+ char **modname, const unsigned char **modbuildid,
+ char *namebuf);
int lookup_module_symbol_name(unsigned long addr, char *symname);
int lookup_module_symbol_attrs(unsigned long addr,
unsigned long *size,
@@ -955,14 +984,14 @@ static inline int module_kallsyms_on_each_symbol(const char *modname,
}
/* For kallsyms to ask for address resolution. NULL means not found. */
-static inline const char *module_address_lookup(unsigned long addr,
+static inline int module_address_lookup(unsigned long addr,
unsigned long *symbolsize,
unsigned long *offset,
char **modname,
const unsigned char **modbuildid,
char *namebuf)
{
- return NULL;
+ return 0;
}
static inline int lookup_module_symbol_name(unsigned long addr, char *symname)
generated by cgit (git 2.34.1) at 2025-07-04 06:48:43 +0000