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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _ASM_MODULE_H
2#define _ASM_MODULE_H
3
4#include <linux/config.h>
5#include <linux/list.h>
6#include <asm/uaccess.h>
7
8struct mod_arch_specific {
9 /* Data Bus Error exception tables */
10 struct list_head dbe_list;
11 const struct exception_table_entry *dbe_start;
12 const struct exception_table_entry *dbe_end;
13};
14
15typedef uint8_t Elf64_Byte; /* Type for a 8-bit quantity. */
16
Thiemo Seufer4e6a05f2005-02-21 10:45:09 +000017typedef struct {
18 Elf64_Addr r_offset; /* Address of relocation. */
19 Elf64_Word r_sym; /* Symbol index. */
20 Elf64_Byte r_ssym; /* Special symbol. */
21 Elf64_Byte r_type3; /* Third relocation. */
22 Elf64_Byte r_type2; /* Second relocation. */
23 Elf64_Byte r_type; /* First relocation. */
24} Elf64_Mips_Rel;
25
26typedef struct {
27 Elf64_Addr r_offset; /* Address of relocation. */
28 Elf64_Word r_sym; /* Symbol index. */
29 Elf64_Byte r_ssym; /* Special symbol. */
30 Elf64_Byte r_type3; /* Third relocation. */
31 Elf64_Byte r_type2; /* Second relocation. */
32 Elf64_Byte r_type; /* First relocation. */
33 Elf64_Sxword r_addend; /* Addend. */
Linus Torvalds1da177e2005-04-16 15:20:36 -070034} Elf64_Mips_Rela;
35
Ralf Baechle875d43e2005-09-03 15:56:16 -070036#ifdef CONFIG_32BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -070037
38#define Elf_Shdr Elf32_Shdr
39#define Elf_Sym Elf32_Sym
40#define Elf_Ehdr Elf32_Ehdr
Thiemo Seufer4e6a05f2005-02-21 10:45:09 +000041#define Elf_Addr Elf32_Addr
42
43#define Elf_Mips_Rel Elf32_Rel
44#define Elf_Mips_Rela Elf32_Rela
45
46#define ELF_MIPS_R_SYM(rel) ELF32_R_SYM(rel.r_info)
47#define ELF_MIPS_R_TYPE(rel) ELF32_R_TYPE(rel.r_info)
Linus Torvalds1da177e2005-04-16 15:20:36 -070048
49#endif
50
Ralf Baechle875d43e2005-09-03 15:56:16 -070051#ifdef CONFIG_64BIT
Linus Torvalds1da177e2005-04-16 15:20:36 -070052
53#define Elf_Shdr Elf64_Shdr
54#define Elf_Sym Elf64_Sym
55#define Elf_Ehdr Elf64_Ehdr
Thiemo Seufer4e6a05f2005-02-21 10:45:09 +000056#define Elf_Addr Elf64_Addr
57
58#define Elf_Mips_Rel Elf64_Mips_Rel
59#define Elf_Mips_Rela Elf64_Mips_Rela
60
61#define ELF_MIPS_R_SYM(rel) (rel.r_sym)
62#define ELF_MIPS_R_TYPE(rel) (rel.r_type)
Linus Torvalds1da177e2005-04-16 15:20:36 -070063
64#endif
65
66#ifdef CONFIG_MODULES
67/* Given an address, look for it in the exception tables. */
68const struct exception_table_entry*search_module_dbetables(unsigned long addr);
69#else
70/* Given an address, look for it in the exception tables. */
71static inline const struct exception_table_entry *
72search_module_dbetables(unsigned long addr)
73{
74 return NULL;
75}
76#endif
77
78#endif /* _ASM_MODULE_H */