#include <linux/moduleparam.h>
#include <linux/tracepoint.h>
-#include <asm/local.h>
#include <linux/percpu.h>
#include <asm/module.h>
void (*free)(struct module *);
};
+struct module_version_attribute {
+ struct module_attribute mattr;
+ const char *module_name;
+ const char *version;
+} __attribute__ ((__aligned__(sizeof(void *))));
+
+extern ssize_t __modver_version_show(struct module_attribute *,
+ struct module *, char *);
+
struct module_kobject
{
struct kobject kobj;
Using this automatically adds a checksum of the .c files and the
local headers in "srcversion".
*/
+
+#if defined(MODULE) || !defined(CONFIG_SYSFS)
#define MODULE_VERSION(_version) MODULE_INFO(version, _version)
+#else
+#define MODULE_VERSION(_version) \
+ static struct module_version_attribute ___modver_attr = { \
+ .mattr = { \
+ .attr = { \
+ .name = "version", \
+ .mode = S_IRUGO, \
+ }, \
+ .show = __modver_version_show, \
+ }, \
+ .module_name = KBUILD_MODNAME, \
+ .version = _version, \
+ }; \
+ static const struct module_version_attribute \
+ __used __attribute__ ((__section__ ("__modver"))) \
+ * __moduleparam_const __modver_attr = &___modver_attr
+#endif
/* Optional firmware file (or files) needed by the module
* format is simply firmware file name. Multiple firmware
#ifdef CONFIG_MODULES
+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(MODULE_SYMBOL_PREFIX #x)))
+/* modules using other modules: kdb wants to see this. */
+struct module_use {
+ struct list_head source_list;
+ struct list_head target_list;
+ struct module *source, *target;
+};
+
#ifndef __GENKSYMS__
#ifdef CONFIG_MODVERSIONS
/* Mark the CRC weak since genksyms apparently decides not to
extern void *__crc_##sym __attribute__((weak)); \
static const unsigned long __kcrctab_##sym \
__used \
- __attribute__((section("__kcrctab" sec), unused)) \
+ __attribute__((section("___kcrctab" sec "+" #sym), unused)) \
= (unsigned long) &__crc_##sym;
#else
#define __CRC_SYMBOL(sym, sec)
= MODULE_SYMBOL_PREFIX #sym; \
static const struct kernel_symbol __ksymtab_##sym \
__used \
- __attribute__((section("__ksymtab" sec), unused)) \
+ __attribute__((section("___ksymtab" sec "+" #sym), unused)) \
= { (unsigned long)&sym, __kstrtab_##sym }
#define EXPORT_SYMBOL(sym) \
/* The size of the executable code in each section. */
unsigned int init_text_size, core_text_size;
+ /* Size of RO sections of the module (text+rodata) */
+ unsigned int init_ro_size, core_ro_size;
+
/* Arch-specific module values */
struct mod_arch_specific arch;
struct module_notes_attrs *notes_attrs;
#endif
- /* Per-cpu data. */
- void *percpu;
-
/* The command line arguments (may be mangled). People like
keeping pointers to this stuff */
char *args;
+
+#ifdef CONFIG_SMP
+ /* Per-cpu data. */
+ void __percpu *percpu;
+ unsigned int percpu_size;
+#endif
+
#ifdef CONFIG_TRACEPOINTS
- struct tracepoint *tracepoints;
unsigned int num_tracepoints;
+ struct tracepoint * const *tracepoints_ptrs;
+#endif
+#ifdef HAVE_JUMP_LABEL
+ struct jump_entry *jump_entries;
+ unsigned int num_jump_entries;
#endif
-
#ifdef CONFIG_TRACING
- const char **trace_bprintk_fmt_start;
unsigned int num_trace_bprintk_fmt;
+ const char **trace_bprintk_fmt_start;
#endif
#ifdef CONFIG_EVENT_TRACING
- struct ftrace_event_call *trace_events;
+ struct ftrace_event_call **trace_events;
unsigned int num_trace_events;
#endif
#ifdef CONFIG_FTRACE_MCOUNT_RECORD
- unsigned long *ftrace_callsites;
unsigned int num_ftrace_callsites;
+ unsigned long *ftrace_callsites;
#endif
#ifdef CONFIG_MODULE_UNLOAD
/* What modules depend on me? */
- struct list_head modules_which_use_me;
+ struct list_head source_list;
+ /* What modules do I depend on? */
+ struct list_head target_list;
/* Who is waiting for us to be unloaded */
struct task_struct *waiter;
void (*exit)(void);
struct module_ref {
- int count;
- } *refptr;
+ unsigned int incs;
+ unsigned int decs;
+ } __percpu *refptr;
#endif
#ifdef CONFIG_CONSTRUCTORS
struct module *__module_text_address(unsigned long addr);
struct module *__module_address(unsigned long addr);
bool is_module_address(unsigned long addr);
+bool is_module_percpu_address(unsigned long addr);
bool is_module_text_address(unsigned long addr);
static inline int within_module_core(unsigned long addr, struct module *mod)
bool warn);
/* Walk the exported symbol table */
-bool each_symbol(bool (*fn)(const struct symsearch *arr, struct module *owner,
- unsigned int symnum, void *data), void *data);
+bool each_symbol_section(bool (*fn)(const struct symsearch *arr,
+ struct module *owner,
+ void *data), void *data);
/* Returns 0 and fills in value, defined and namebuf, or -ERANGE if
symnum out of range. */
{
if (module) {
preempt_disable();
- __this_cpu_inc(module->refptr->count);
- trace_module_get(module, _THIS_IP_,
- __this_cpu_read(module->refptr->count));
+ __this_cpu_inc(module->refptr->incs);
+ trace_module_get(module, _THIS_IP_);
preempt_enable();
}
}
preempt_disable();
if (likely(module_is_live(module))) {
- __this_cpu_inc(module->refptr->count);
- trace_module_get(module, _THIS_IP_,
- __this_cpu_read(module->refptr->count));
- }
- else
+ __this_cpu_inc(module->refptr->incs);
+ trace_module_get(module, _THIS_IP_);
+ } else
ret = 0;
preempt_enable();
#define symbol_put_addr(p) do { } while(0)
#endif /* CONFIG_MODULE_UNLOAD */
-int use_module(struct module *a, struct module *b);
+int ref_module(struct module *a, struct module *b);
/* This is a #define so the string doesn't get put in every .o file */
#define module_name(mod) \
return false;
}
+static inline bool is_module_percpu_address(unsigned long addr)
+{
+ return false;
+}
+
static inline bool is_module_text_address(unsigned long addr)
{
return false;
{
return 0;
}
-
#endif /* CONFIG_MODULES */
-struct device_driver;
#ifdef CONFIG_SYSFS
-struct module;
-
extern struct kset *module_kset;
extern struct kobj_type module_ktype;
extern int module_sysfs_initialized;
-
-int mod_sysfs_init(struct module *mod);
-int mod_sysfs_setup(struct module *mod,
- struct kernel_param *kparam,
- unsigned int num_params);
-int module_add_modinfo_attrs(struct module *mod);
-void module_remove_modinfo_attrs(struct module *mod);
-
-#else /* !CONFIG_SYSFS */
-
-static inline int mod_sysfs_init(struct module *mod)
-{
- return 0;
-}
-
-static inline int mod_sysfs_setup(struct module *mod,
- struct kernel_param *kparam,
- unsigned int num_params)
-{
- return 0;
-}
-
-static inline int module_add_modinfo_attrs(struct module *mod)
-{
- return 0;
-}
-
-static inline void module_remove_modinfo_attrs(struct module *mod)
-{ }
-
#endif /* CONFIG_SYSFS */
#define symbol_request(x) try_then_request_module(symbol_get(x), "symbol:" #x)
#define __MODULE_STRING(x) __stringify(x)
+#ifdef CONFIG_DEBUG_SET_MODULE_RONX
+extern void set_all_modules_text_rw(void);
+extern void set_all_modules_text_ro(void);
+#else
+static inline void set_all_modules_text_rw(void) { }
+static inline void set_all_modules_text_ro(void) { }
+#endif
#ifdef CONFIG_GENERIC_BUG
-int module_bug_finalize(const Elf_Ehdr *, const Elf_Shdr *,
+void module_bug_finalize(const Elf_Ehdr *, const Elf_Shdr *,
struct module *);
void module_bug_cleanup(struct module *);
#else /* !CONFIG_GENERIC_BUG */
-static inline int module_bug_finalize(const Elf_Ehdr *hdr,
+static inline void module_bug_finalize(const Elf_Ehdr *hdr,
const Elf_Shdr *sechdrs,
struct module *mod)
{
- return 0;
}
static inline void module_bug_cleanup(struct module *mod) {}
#endif /* CONFIG_GENERIC_BUG */
projects / linux-flexiantxendom0.git / blobdiff