diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/module.c | 59 |
1 files changed, 41 insertions, 18 deletions
diff --git a/kernel/module.c b/kernel/module.c index 0d8d21ee792..6fded84d702 100644 --- a/kernel/module.c +++ b/kernel/module.c | |||
| @@ -20,11 +20,13 @@ | |||
| 20 | #include <linux/moduleloader.h> | 20 | #include <linux/moduleloader.h> |
| 21 | #include <linux/init.h> | 21 | #include <linux/init.h> |
| 22 | #include <linux/kallsyms.h> | 22 | #include <linux/kallsyms.h> |
| 23 | #include <linux/fs.h> | ||
| 23 | #include <linux/sysfs.h> | 24 | #include <linux/sysfs.h> |
| 24 | #include <linux/kernel.h> | 25 | #include <linux/kernel.h> |
| 25 | #include <linux/slab.h> | 26 | #include <linux/slab.h> |
| 26 | #include <linux/vmalloc.h> | 27 | #include <linux/vmalloc.h> |
| 27 | #include <linux/elf.h> | 28 | #include <linux/elf.h> |
| 29 | #include <linux/proc_fs.h> | ||
| 28 | #include <linux/seq_file.h> | 30 | #include <linux/seq_file.h> |
| 29 | #include <linux/syscalls.h> | 31 | #include <linux/syscalls.h> |
| 30 | #include <linux/fcntl.h> | 32 | #include <linux/fcntl.h> |
| @@ -2599,23 +2601,6 @@ unsigned long module_kallsyms_lookup_name(const char *name) | |||
| 2599 | } | 2601 | } |
| 2600 | #endif /* CONFIG_KALLSYMS */ | 2602 | #endif /* CONFIG_KALLSYMS */ |
| 2601 | 2603 | ||
| 2602 | /* Called by the /proc file system to return a list of modules. */ | ||
| 2603 | static void *m_start(struct seq_file *m, loff_t *pos) | ||
| 2604 | { | ||
| 2605 | mutex_lock(&module_mutex); | ||
| 2606 | return seq_list_start(&modules, *pos); | ||
| 2607 | } | ||
| 2608 | |||
| 2609 | static void *m_next(struct seq_file *m, void *p, loff_t *pos) | ||
| 2610 | { | ||
| 2611 | return seq_list_next(p, &modules, pos); | ||
| 2612 | } | ||
| 2613 | |||
| 2614 | static void m_stop(struct seq_file *m, void *p) | ||
| 2615 | { | ||
| 2616 | mutex_unlock(&module_mutex); | ||
| 2617 | } | ||
| 2618 | |||
| 2619 | static char *module_flags(struct module *mod, char *buf) | 2604 | static char *module_flags(struct module *mod, char *buf) |
| 2620 | { | 2605 | { |
| 2621 | int bx = 0; | 2606 | int bx = 0; |
| @@ -2649,6 +2634,24 @@ static char *module_flags(struct module *mod, char *buf) | |||
| 2649 | return buf; | 2634 | return buf; |
| 2650 | } | 2635 | } |
| 2651 | 2636 | ||
| 2637 | #ifdef CONFIG_PROC_FS | ||
| 2638 | /* Called by the /proc file system to return a list of modules. */ | ||
| 2639 | static void *m_start(struct seq_file *m, loff_t *pos) | ||
| 2640 | { | ||
| 2641 | mutex_lock(&module_mutex); | ||
| 2642 | return seq_list_start(&modules, *pos); | ||
| 2643 | } | ||
| 2644 | |||
| 2645 | static void *m_next(struct seq_file *m, void *p, loff_t *pos) | ||
| 2646 | { | ||
| 2647 | return seq_list_next(p, &modules, pos); | ||
| 2648 | } | ||
| 2649 | |||
| 2650 | static void m_stop(struct seq_file *m, void *p) | ||
| 2651 | { | ||
| 2652 | mutex_unlock(&module_mutex); | ||
| 2653 | } | ||
| 2654 | |||
| 2652 | static int m_show(struct seq_file *m, void *p) | 2655 | static int m_show(struct seq_file *m, void *p) |
| 2653 | { | 2656 | { |
| 2654 | struct module *mod = list_entry(p, struct module, list); | 2657 | struct module *mod = list_entry(p, struct module, list); |
| @@ -2679,13 +2682,33 @@ static int m_show(struct seq_file *m, void *p) | |||
| 2679 | Where refcount is a number or -, and deps is a comma-separated list | 2682 | Where refcount is a number or -, and deps is a comma-separated list |
| 2680 | of depends or -. | 2683 | of depends or -. |
| 2681 | */ | 2684 | */ |
| 2682 | const struct seq_operations modules_op = { | 2685 | static const struct seq_operations modules_op = { |
| 2683 | .start = m_start, | 2686 | .start = m_start, |
| 2684 | .next = m_next, | 2687 | .next = m_next, |
| 2685 | .stop = m_stop, | 2688 | .stop = m_stop, |
| 2686 | .show = m_show | 2689 | .show = m_show |
| 2687 | }; | 2690 | }; |
| 2688 | 2691 | ||
| 2692 | static int modules_open(struct inode *inode, struct file *file) | ||
| 2693 | { | ||
| 2694 | return seq_open(file, &modules_op); | ||
| 2695 | } | ||
| 2696 | |||
| 2697 | static const struct file_operations proc_modules_operations = { | ||
| 2698 | .open = modules_open, | ||
| 2699 | .read = seq_read, | ||
| 2700 | .llseek = seq_lseek, | ||
| 2701 | .release = seq_release, | ||
| 2702 | }; | ||
| 2703 | |||
| 2704 | static int __init proc_modules_init(void) | ||
| 2705 | { | ||
| 2706 | proc_create("modules", 0, NULL, &proc_modules_operations); | ||
| 2707 | return 0; | ||
| 2708 | } | ||
| 2709 | module_init(proc_modules_init); | ||
| 2710 | #endif | ||
| 2711 | |||
| 2689 | /* Given an address, look for it in the module exception tables. */ | 2712 | /* Given an address, look for it in the module exception tables. */ |
| 2690 | const struct exception_table_entry *search_module_extables(unsigned long addr) | 2713 | const struct exception_table_entry *search_module_extables(unsigned long addr) |
| 2691 | { | 2714 | { |
