Contributors: 20
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Sergey Senozhatsky |
245 |
33.79% |
2 |
8.70% |
| Alexey Dobriyan |
90 |
12.41% |
2 |
8.70% |
| Anders H Kaseorg |
68 |
9.38% |
1 |
4.35% |
| Ingo Molnar |
56 |
7.72% |
1 |
4.35% |
| Franck Bui-Huu |
43 |
5.93% |
1 |
4.35% |
| Robert S Peterson |
40 |
5.52% |
1 |
4.35% |
| Stephen Boyd |
36 |
4.97% |
1 |
4.35% |
| Namhyung Kim |
36 |
4.97% |
1 |
4.35% |
| Andrew Morton |
27 |
3.72% |
1 |
4.35% |
| Vegard Nossum |
21 |
2.90% |
2 |
8.70% |
| Rusty Russell |
20 |
2.76% |
1 |
4.35% |
| Arnd Bergmann |
20 |
2.76% |
1 |
4.35% |
| Andi Kleen |
8 |
1.10% |
1 |
4.35% |
| Kamalesh Babulal |
3 |
0.41% |
1 |
4.35% |
| Mika Kukkonen |
3 |
0.41% |
1 |
4.35% |
| Adrian Bunk |
3 |
0.41% |
1 |
4.35% |
| Heiko Carstens |
2 |
0.28% |
1 |
4.35% |
| Tejun Heo |
2 |
0.28% |
1 |
4.35% |
| Greg Kroah-Hartman |
1 |
0.14% |
1 |
4.35% |
| Huacai Chen |
1 |
0.14% |
1 |
4.35% |
| Total |
725 |
|
23 |
|
/* SPDX-License-Identifier: GPL-2.0 */
/* Rewritten and vastly simplified by Rusty Russell for in-kernel
* module loader:
* Copyright 2002 Rusty Russell <rusty@rustcorp.com.au> IBM Corporation
*/
#ifndef _LINUX_KALLSYMS_H
#define _LINUX_KALLSYMS_H
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/stddef.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <asm/sections.h>
#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;
static inline int is_kernel_inittext(unsigned long addr)
{
if (addr >= (unsigned long)_sinittext
&& addr <= (unsigned long)_einittext)
return 1;
return 0;
}
static inline int is_kernel_text(unsigned long addr)
{
if ((addr >= (unsigned long)_stext && addr <= (unsigned long)_etext) ||
arch_is_kernel_text(addr))
return 1;
return in_gate_area_no_mm(addr);
}
static inline int is_kernel(unsigned long addr)
{
if (addr >= (unsigned long)_stext && addr <= (unsigned long)_end)
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;
}
#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);
/* Look up a kernel symbol and return it in a text buffer. */
extern int sprint_symbol(char *buffer, unsigned long address);
extern int sprint_symbol_no_offset(char *buffer, unsigned long address);
extern int sprint_backtrace(char *buffer, 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);
/* How and when do we show kallsyms values? */
extern int kallsyms_show_value(void);
#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,
char **modname, char *namebuf)
{
return NULL;
}
static inline int sprint_symbol(char *buffer, unsigned long addr)
{
*buffer = '\0';
return 0;
}
static inline int sprint_symbol_no_offset(char *buffer, unsigned long addr)
{
*buffer = '\0';
return 0;
}
static inline int sprint_backtrace(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;
}
static inline int kallsyms_show_value(void)
{
return false;
}
#endif /*CONFIG_KALLSYMS*/
static inline void print_ip_sym(unsigned long ip)
{
printk("[<%px>] %pS\n", (void *) ip, (void *) ip);
}
#endif /*_LINUX_KALLSYMS_H*/