1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
#ifndef _ASM_MIPS64_MODULE_H
#define _ASM_MIPS64_MODULE_H
/*
* This file contains the mips64 architecture specific module code.
*/
#include <linux/module.h>
#include <asm/uaccess.h>
#define module_map(x) vmalloc(x)
#define module_unmap(x) vfree(x)
#define module_arch_init(x) mips64_module_init(x)
#define arch_init_modules(x) mips64_init_modules(x)
/*
* This must match in size and layout the data created by
* modutils/obj/obj-mips64.c
*/
struct archdata {
const struct exception_table_entry *dbe_table_start;
const struct exception_table_entry *dbe_table_end;
};
static inline int
mips64_module_init(struct module *mod)
{
struct archdata *archdata;
if (!mod_member_present(mod, archdata_end))
return 0;
archdata = (struct archdata *)(mod->archdata_start);
if (!mod_archdata_member_present(mod, struct archdata, dbe_table_end))
return 0;
if (archdata->dbe_table_start > archdata->dbe_table_end ||
(archdata->dbe_table_start &&
!((unsigned long)archdata->dbe_table_start >=
((unsigned long)mod + mod->size_of_struct) &&
((unsigned long)archdata->dbe_table_end <
(unsigned long)mod + mod->size))) ||
(((unsigned long)archdata->dbe_table_start -
(unsigned long)archdata->dbe_table_end) %
sizeof(struct exception_table_entry))) {
printk(KERN_ERR
"module_arch_init: archdata->dbe_table_* invalid.\n");
return 1;
}
return 0;
}
static inline void
mips64_init_modules(struct module *mod)
{
extern const struct exception_table_entry __start___dbe_table[];
extern const struct exception_table_entry __stop___dbe_table[];
static struct archdata archdata = {
.dbe_table_start = __start___dbe_table,
.dbe_table_end = __stop___dbe_table,
};
mod->archdata_start = (char *)&archdata;
mod->archdata_end = mod->archdata_start + sizeof(archdata);
}
#endif /* _ASM_MIPS64_MODULE_H */
|
