I'd like to see what's in kernel, so add ksyms back into kernel.
Unfortunately Rusty's module tools depends on this file to judge whether
current kernel is new implementation, a dirty solution is emptying
try_old_version() function in backwards_compat.c
# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
# ChangeSet v2.5.53 -> 1.953
# fs/proc/proc_misc.c 1.60 -> 1.61
# kernel/module.c 1.32 -> 1.34
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 02/12/23 [email protected] 1.951
# Linux v2.5.53
# --------------------------------------------
# 02/12/27 [email protected] 1.952
# add /proc/ksyms
# --------------------------------------------
# 02/12/27 [email protected] 1.953
# module.c:
# clean code
# --------------------------------------------
#
diff -Nru a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
--- a/fs/proc/proc_misc.c Fri Dec 27 15:08:53 2002
+++ b/fs/proc/proc_misc.c Fri Dec 27 15:08:53 2002
@@ -297,6 +297,19 @@
.llseek = seq_lseek,
.release = seq_release,
};
+
+extern struct seq_operations ksyms_op;
+static int ksyms_open(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &ksyms_op);
+}
+static struct file_operations proc_ksyms_operations = {
+ .open = ksyms_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
#endif
extern struct seq_operations slabinfo_op;
@@ -595,6 +608,7 @@
create_seq_entry("vmstat",S_IRUGO, &proc_vmstat_file_operations);
#ifdef CONFIG_MODULES
create_seq_entry("modules", 0, &proc_modules_operations);
+ create_seq_entry("ksyms", 0, &proc_ksyms_operations);
#endif
proc_root_kcore = create_proc_entry("kcore", S_IRUSR, NULL);
if (proc_root_kcore) {
diff -Nru a/kernel/module.c b/kernel/module.c
--- a/kernel/module.c Fri Dec 27 15:08:53 2002
+++ b/kernel/module.c Fri Dec 27 15:08:53 2002
@@ -1402,6 +1402,48 @@
print_unload_info(m, mod);
return 0;
}
+
+static void *s_start(struct seq_file *m, loff_t *pos)
+{
+ struct list_head *i;
+ loff_t n = 0;
+
+ list_for_each(i, &symbols) {
+ if (n++ == *pos)
+ break;
+ }
+ if (i == &symbols)
+ return NULL;
+ return i;
+}
+
+static void *s_next(struct seq_file *m, void *p, loff_t *pos)
+{
+ struct list_head *i = p;
+ (*pos)++;
+ if (i->next == &symbols)
+ return NULL;
+ return i->next;
+}
+
+static void s_stop(struct seq_file *m, void *p)
+{
+}
+
+static int s_show(struct seq_file *m, void *p)
+{
+ struct kernel_symbol_group *sg
+ = list_entry(p, struct kernel_symbol_group, list);
+ int i;
+
+ for (i=0; i < sg->num_syms; i++) {
+ const struct kernel_symbol *sym = &sg->syms[i];
+ seq_printf(m, "%08lx %s\n",
+ sym->value, sym->name);
+ }
+ return 0;
+}
+
struct seq_operations modules_op = {
.start = m_start,
.next = m_next,
@@ -1409,6 +1451,13 @@
.show = m_show
};
+struct seq_operations ksyms_op = {
+ .start = s_start,
+ .next = s_next,
+ .stop = s_stop,
+ .show = s_show
+};
+
/* Obsolete lvalue for broken code which asks about usage */
int module_dummy_usage = 1;
EXPORT_SYMBOL(module_dummy_usage);
Yours truly,
Louis Zhuang
------------------------------
I'm only myself, not others