/* These will be re-linked against their real values during the second link stage */
extern const unsigned long kallsyms_addresses[] __attribute__((weak));
-extern const unsigned long kallsyms_num_syms __attribute__((weak));
extern const u8 kallsyms_names[] __attribute__((weak));
+/* tell the compiler that the count isn't in the small data section if the arch
+ * has one (eg: FRV)
+ */
+extern const unsigned long kallsyms_num_syms
+__attribute__((weak, section(".rodata")));
+
extern const u8 kallsyms_token_table[] __attribute__((weak));
extern const u16 kallsyms_token_index[] __attribute__((weak));
return 0;
}
-static inline int is_kernel_extratext(unsigned long addr)
-{
- if (addr >= (unsigned long)_sextratext
- && addr <= (unsigned long)_eextratext)
- return 1;
- return 0;
-}
-
static inline int is_kernel_text(unsigned long addr)
{
if (addr >= (unsigned long)_stext && addr <= (unsigned long)_etext)
if (all_var)
return is_kernel(addr);
- return is_kernel_text(addr) || is_kernel_inittext(addr) ||
- is_kernel_extratext(addr);
+ return is_kernel_text(addr) || is_kernel_inittext(addr);
}
/* expand a compressed symbol data into the resulting uncompressed string,
/* Lookup the address for this symbol. Returns 0 if not found. */
unsigned long kallsyms_lookup_name(const char *name)
{
- char namebuf[KSYM_NAME_LEN+1];
+ char namebuf[KSYM_NAME_LEN];
unsigned long i;
unsigned int off;
return module_kallsyms_lookup_name(name);
}
+int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *,
+ unsigned long),
+ void *data)
+{
+ char namebuf[KSYM_NAME_LEN];
+ unsigned long i;
+ unsigned int off;
+ int ret;
+
+ for (i = 0, off = 0; i < kallsyms_num_syms; i++) {
+ off = kallsyms_expand_symbol(off, namebuf);
+ ret = fn(data, namebuf, NULL, kallsyms_addresses[i]);
+ if (ret != 0)
+ return ret;
+ }
+ return module_kallsyms_on_each_symbol(fn, data);
+}
+EXPORT_SYMBOL_GPL(kallsyms_on_each_symbol);
+
static unsigned long get_symbol_pos(unsigned long addr,
unsigned long *symbolsize,
unsigned long *offset)
high = kallsyms_num_syms;
while (high - low > 1) {
- mid = (low + high) / 2;
+ mid = low + (high - low) / 2;
if (kallsyms_addresses[mid] <= addr)
low = mid;
else
int kallsyms_lookup_size_offset(unsigned long addr, unsigned long *symbolsize,
unsigned long *offset)
{
+ char namebuf[KSYM_NAME_LEN];
if (is_ksym_addr(addr))
return !!get_symbol_pos(addr, symbolsize, offset);
- return !!module_address_lookup(addr, symbolsize, offset, NULL);
+ return !!module_address_lookup(addr, symbolsize, offset, NULL, namebuf);
}
/*
unsigned long *offset,
char **modname, char *namebuf)
{
- const char *msym;
-
- namebuf[KSYM_NAME_LEN] = 0;
+ namebuf[KSYM_NAME_LEN - 1] = 0;
namebuf[0] = 0;
if (is_ksym_addr(addr)) {
}
/* see if it's in a module */
- msym = module_address_lookup(addr, symbolsize, offset, modname);
- if (msym)
- return strncpy(namebuf, msym, KSYM_NAME_LEN);
-
- return NULL;
+ return module_address_lookup(addr, symbolsize, offset, modname,
+ namebuf);
}
int lookup_symbol_name(unsigned long addr, char *symname)
{
symname[0] = '\0';
- symname[KSYM_NAME_LEN] = '\0';
+ symname[KSYM_NAME_LEN - 1] = '\0';
if (is_ksym_addr(addr)) {
unsigned long pos;
unsigned long *offset, char *modname, char *name)
{
name[0] = '\0';
- name[KSYM_NAME_LEN] = '\0';
+ name[KSYM_NAME_LEN - 1] = '\0';
if (is_ksym_addr(addr)) {
unsigned long pos;
char *modname;
const char *name;
unsigned long offset, size;
- char namebuf[KSYM_NAME_LEN+1];
+ int len;
- name = kallsyms_lookup(address, &size, &offset, &modname, namebuf);
+ name = kallsyms_lookup(address, &size, &offset, &modname, buffer);
if (!name)
return sprintf(buffer, "0x%lx", address);
- else {
- if (modname)
- return sprintf(buffer, "%s+%#lx/%#lx [%s]", name, offset,
- size, modname);
- else
- return sprintf(buffer, "%s+%#lx/%#lx", name, offset, size);
- }
+
+ if (name != buffer)
+ strcpy(buffer, name);
+ len = strlen(buffer);
+ buffer += len;
+
+ if (modname)
+ len += sprintf(buffer, "+%#lx/%#lx [%s]",
+ offset, size, modname);
+ else
+ len += sprintf(buffer, "+%#lx/%#lx", offset, size);
+
+ return len;
}
/* Look up a kernel symbol and print it to the kernel messages. */
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];
+ char name[KSYM_NAME_LEN];
+ char module_name[MODULE_NAME_LEN];
int exported;
};
static int __init kallsyms_init(void)
{
- struct proc_dir_entry *entry;
-
- entry = create_proc_entry("kallsyms", 0444, NULL);
- if (entry)
- entry->proc_fops = &kallsyms_operations;
+ proc_create("kallsyms", 0444, NULL, &kallsyms_operations);
return 0;
}
__initcall(kallsyms_init);