#ifndef _LINUX_KALLSYMS_H
#define _LINUX_KALLSYMS_H
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/stddef.h>
-#define KSYM_NAME_LEN 127
+#define KSYM_NAME_LEN 128
+#define KSYM_SYMBOL_LEN (sizeof("%s+%#lx/%#lx [%s]") + (KSYM_NAME_LEN - 1) + \
+ 2*(BITS_PER_LONG*3/10) + (MODULE_NAME_LEN - 1) + 1)
+
+struct module;
#ifdef CONFIG_KALLSYMS
/* Lookup the address for a symbol. Returns 0 if not found. */
unsigned long kallsyms_lookup_name(const char *name);
+/* Call a function on each kallsyms symbol in the core kernel */
+int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *,
+ unsigned long),
+ void *data);
+
+extern int kallsyms_lookup_size_offset(unsigned long addr,
+ unsigned long *symbolsize,
+ unsigned long *offset);
+
/* Lookup an address. modname is set to NULL if it's in the kernel. */
const char *kallsyms_lookup(unsigned long addr,
unsigned long *symbolsize,
unsigned long *offset,
char **modname, char *namebuf);
-/* Replace "%s" in format with address, if found */
+/* Look up a kernel symbol and return it in a text buffer. */
+extern int sprint_symbol(char *buffer, unsigned long address);
+
+/* Look up a kernel symbol and print it to the kernel messages. */
extern void __print_symbol(const char *fmt, unsigned long address);
+int lookup_symbol_name(unsigned long addr, char *symname);
+int lookup_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name);
+
#else /* !CONFIG_KALLSYMS */
static inline unsigned long kallsyms_lookup_name(const char *name)
return 0;
}
+static inline int kallsyms_on_each_symbol(int (*fn)(void *, const char *,
+ struct module *,
+ unsigned long),
+ void *data)
+{
+ return 0;
+}
+
+static inline int kallsyms_lookup_size_offset(unsigned long addr,
+ unsigned long *symbolsize,
+ unsigned long *offset)
+{
+ return 0;
+}
+
static inline const char *kallsyms_lookup(unsigned long addr,
unsigned long *symbolsize,
unsigned long *offset,
return NULL;
}
+static inline int sprint_symbol(char *buffer, unsigned long addr)
+{
+ *buffer = '\0';
+ return 0;
+}
+
+static inline int lookup_symbol_name(unsigned long addr, char *symname)
+{
+ return -ERANGE;
+}
+
+static inline int lookup_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name)
+{
+ return -ERANGE;
+}
+
/* Stupid that this does nothing, but I didn't create this mess. */
#define __print_symbol(fmt, addr)
#endif /*CONFIG_KALLSYMS*/
static inline void __check_printsym_format(const char *fmt, ...)
{
}
-/* ia64 and ppc64 use function descriptors, which contain the real address */
-#if defined(CONFIG_IA64) || defined(CONFIG_PPC64)
-#define print_fn_descriptor_symbol(fmt, addr) \
-do { \
- unsigned long *__faddr = (unsigned long*) addr; \
- print_symbol(fmt, __faddr[0]); \
-} while (0)
-#else
-#define print_fn_descriptor_symbol(fmt, addr) print_symbol(fmt, addr)
-#endif
static inline void print_symbol(const char *fmt, unsigned long addr)
{
__builtin_extract_return_addr((void *)addr));
}
-#ifndef CONFIG_64BIT
-#define print_ip_sym(ip) \
-do { \
- printk("[<%08lx>]", ip); \
- print_symbol(" %s\n", ip); \
-} while(0)
-#else
-#define print_ip_sym(ip) \
-do { \
- printk("[<%016lx>]", ip); \
- print_symbol(" %s\n", ip); \
-} while(0)
-#endif
+static inline void print_ip_sym(unsigned long ip)
+{
+ printk("[<%p>] %pS\n", (void *) ip, (void *) ip);
+}
#endif /*_LINUX_KALLSYMS_H*/