edge
!
am_J 5*q@M\jbѿ
Index of /FSS-BCZ/root/sys/dev/char/4:33/subsystem/tty21/power
Index of /FSS-BCZ/root/sys/dev/char/4:33/subsystem/tty21/power
* lY>TD r`S
iA_I|+ /* SPDX-License-Identifier: GPL-2.0 */
/* Rewritten and vastly simplified by Rusty Russell for in-kernel
* module loader:
* Copyright 2002 Rusty Russell IBM Corporation
*/
#ifndef _LINUX_KALLSYMS_H
#define _LINUX_KALLSYMS_H
#include
#include
#include
#include
#include
#include
#include
#define KSYM_NAME_LEN 512
#define KSYM_SYMBOL_LEN (sizeof("%s+%#lx/%#lx [%s %s]") + \
(KSYM_NAME_LEN - 1) + \
2*(BITS_PER_LONG*3/10) + (MODULE_NAME_LEN - 1) + \
(BUILD_ID_SIZE_MAX * 2) + 1)
struct cred;
struct module;
static inline int is_kernel_text(unsigned long addr)
{
if (__is_kernel_text(addr))
return 1;
return in_gate_area_no_mm(addr);
}
static inline int is_kernel(unsigned long addr)
{
if (__is_kernel(addr))
return 1;
return in_gate_area_no_mm(addr);
}
static inline int is_ksym_addr(unsigned long addr)
{
if (IS_ENABLED(CONFIG_KALLSYMS_ALL))
return is_kernel(addr);
return is_kernel_text(addr) || is_kernel_inittext(addr);
}
static inline void *dereference_symbol_descriptor(void *ptr)
{
#ifdef HAVE_DEREFERENCE_FUNCTION_DESCRIPTOR
struct module *mod;
ptr = dereference_kernel_function_descriptor(ptr);
if (is_ksym_addr((unsigned long)ptr))
return ptr;
preempt_disable();
mod = __module_address((unsigned long)ptr);
preempt_enable();
if (mod)
ptr = dereference_module_function_descriptor(mod, ptr);
#endif
return ptr;
}
/* How and when do we show kallsyms values? */
extern bool kallsyms_show_value(const struct cred *cred);
#ifdef CONFIG_KALLSYMS
unsigned long kallsyms_sym_address(int idx);
int kallsyms_on_each_symbol(int (*fn)(void *, const char *, unsigned long),
void *data);
int kallsyms_on_each_match_symbol(int (*fn)(void *, unsigned long),
const char *name, void *data);
/* Lookup the address for a symbol. Returns 0 if not found. */
unsigned long kallsyms_lookup_name(const char *name);
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,