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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_MODULE_H
3#define _ASM_MODULE_H
4
5#include <linux/list.h>
6#include <linux/elf.h>
7#include <asm/extable.h>
8
9struct mod_arch_specific {
10 /* Data Bus Error exception tables */
11 struct list_head dbe_list;
12 const struct exception_table_entry *dbe_start;
13 const struct exception_table_entry *dbe_end;
14 struct mips_hi16 *r_mips_hi16_list;
15};
16
17typedef uint8_t Elf64_Byte; /* Type for a 8-bit quantity. */
18
19typedef struct {
20 Elf64_Addr r_offset; /* Address of relocation. */
21 Elf64_Word r_sym; /* Symbol index. */
22 Elf64_Byte r_ssym; /* Special symbol. */
23 Elf64_Byte r_type3; /* Third relocation. */
24 Elf64_Byte r_type2; /* Second relocation. */
25 Elf64_Byte r_type; /* First relocation. */
26} Elf64_Mips_Rel;
27
28typedef struct {
29 Elf64_Addr r_offset; /* Address of relocation. */
30 Elf64_Word r_sym; /* Symbol index. */
31 Elf64_Byte r_ssym; /* Special symbol. */
32 Elf64_Byte r_type3; /* Third relocation. */
33 Elf64_Byte r_type2; /* Second relocation. */
34 Elf64_Byte r_type; /* First relocation. */
35 Elf64_Sxword r_addend; /* Addend. */
36} Elf64_Mips_Rela;
37
38#ifdef CONFIG_32BIT
39#define Elf_Shdr Elf32_Shdr
40#define Elf_Sym Elf32_Sym
41#define Elf_Ehdr Elf32_Ehdr
42#define Elf_Addr Elf32_Addr
43#define Elf_Rel Elf32_Rel
44#define Elf_Rela Elf32_Rela
45#define ELF_R_TYPE(X) ELF32_R_TYPE(X)
46#define ELF_R_SYM(X) ELF32_R_SYM(X)
47
48#define Elf_Mips_Rel Elf32_Rel
49#define Elf_Mips_Rela Elf32_Rela
50
51#define ELF_MIPS_R_SYM(rel) ELF32_R_SYM((rel).r_info)
52#define ELF_MIPS_R_TYPE(rel) ELF32_R_TYPE((rel).r_info)
53
54#endif
55
56#ifdef CONFIG_64BIT
57#define Elf_Shdr Elf64_Shdr
58#define Elf_Sym Elf64_Sym
59#define Elf_Ehdr Elf64_Ehdr
60#define Elf_Addr Elf64_Addr
61#define Elf_Rel Elf64_Rel
62#define Elf_Rela Elf64_Rela
63#define ELF_R_TYPE(X) ELF64_R_TYPE(X)
64#define ELF_R_SYM(X) ELF64_R_SYM(X)
65
66#define Elf_Mips_Rel Elf64_Mips_Rel
67#define Elf_Mips_Rela Elf64_Mips_Rela
68
69#define ELF_MIPS_R_SYM(rel) ((rel).r_sym)
70#define ELF_MIPS_R_TYPE(rel) ((rel).r_type)
71
72#endif
73
74#ifdef CONFIG_MODULES
75/* Given an address, look for it in the exception tables. */
76const struct exception_table_entry*search_module_dbetables(unsigned long addr);
77#else
78/* Given an address, look for it in the exception tables. */
79static inline const struct exception_table_entry *
80search_module_dbetables(unsigned long addr)
81{
82 return NULL;
83}
84#endif
85
86#endif /* _ASM_MODULE_H */
1#ifndef _ASM_MODULE_H
2#define _ASM_MODULE_H
3
4#include <linux/list.h>
5#include <asm/uaccess.h>
6
7struct mod_arch_specific {
8 /* Data Bus Error exception tables */
9 struct list_head dbe_list;
10 const struct exception_table_entry *dbe_start;
11 const struct exception_table_entry *dbe_end;
12};
13
14typedef uint8_t Elf64_Byte; /* Type for a 8-bit quantity. */
15
16typedef struct {
17 Elf64_Addr r_offset; /* Address of relocation. */
18 Elf64_Word r_sym; /* Symbol index. */
19 Elf64_Byte r_ssym; /* Special symbol. */
20 Elf64_Byte r_type3; /* Third relocation. */
21 Elf64_Byte r_type2; /* Second relocation. */
22 Elf64_Byte r_type; /* First relocation. */
23} Elf64_Mips_Rel;
24
25typedef struct {
26 Elf64_Addr r_offset; /* Address of relocation. */
27 Elf64_Word r_sym; /* Symbol index. */
28 Elf64_Byte r_ssym; /* Special symbol. */
29 Elf64_Byte r_type3; /* Third relocation. */
30 Elf64_Byte r_type2; /* Second relocation. */
31 Elf64_Byte r_type; /* First relocation. */
32 Elf64_Sxword r_addend; /* Addend. */
33} Elf64_Mips_Rela;
34
35#ifdef CONFIG_32BIT
36
37#define Elf_Shdr Elf32_Shdr
38#define Elf_Sym Elf32_Sym
39#define Elf_Ehdr Elf32_Ehdr
40#define Elf_Addr Elf32_Addr
41
42#define Elf_Mips_Rel Elf32_Rel
43#define Elf_Mips_Rela Elf32_Rela
44
45#define ELF_MIPS_R_SYM(rel) ELF32_R_SYM(rel.r_info)
46#define ELF_MIPS_R_TYPE(rel) ELF32_R_TYPE(rel.r_info)
47
48#endif
49
50#ifdef CONFIG_64BIT
51
52#define Elf_Shdr Elf64_Shdr
53#define Elf_Sym Elf64_Sym
54#define Elf_Ehdr Elf64_Ehdr
55#define Elf_Addr Elf64_Addr
56
57#define Elf_Mips_Rel Elf64_Mips_Rel
58#define Elf_Mips_Rela Elf64_Mips_Rela
59
60#define ELF_MIPS_R_SYM(rel) (rel.r_sym)
61#define ELF_MIPS_R_TYPE(rel) (rel.r_type)
62
63#endif
64
65#ifdef CONFIG_MODULES
66/* Given an address, look for it in the exception tables. */
67const struct exception_table_entry*search_module_dbetables(unsigned long addr);
68#else
69/* Given an address, look for it in the exception tables. */
70static inline const struct exception_table_entry *
71search_module_dbetables(unsigned long addr)
72{
73 return NULL;
74}
75#endif
76
77#ifdef CONFIG_CPU_MIPS32_R1
78#define MODULE_PROC_FAMILY "MIPS32_R1 "
79#elif defined CONFIG_CPU_MIPS32_R2
80#define MODULE_PROC_FAMILY "MIPS32_R2 "
81#elif defined CONFIG_CPU_MIPS64_R1
82#define MODULE_PROC_FAMILY "MIPS64_R1 "
83#elif defined CONFIG_CPU_MIPS64_R2
84#define MODULE_PROC_FAMILY "MIPS64_R2 "
85#elif defined CONFIG_CPU_R3000
86#define MODULE_PROC_FAMILY "R3000 "
87#elif defined CONFIG_CPU_TX39XX
88#define MODULE_PROC_FAMILY "TX39XX "
89#elif defined CONFIG_CPU_VR41XX
90#define MODULE_PROC_FAMILY "VR41XX "
91#elif defined CONFIG_CPU_R4300
92#define MODULE_PROC_FAMILY "R4300 "
93#elif defined CONFIG_CPU_R4X00
94#define MODULE_PROC_FAMILY "R4X00 "
95#elif defined CONFIG_CPU_TX49XX
96#define MODULE_PROC_FAMILY "TX49XX "
97#elif defined CONFIG_CPU_R5000
98#define MODULE_PROC_FAMILY "R5000 "
99#elif defined CONFIG_CPU_R5432
100#define MODULE_PROC_FAMILY "R5432 "
101#elif defined CONFIG_CPU_R5500
102#define MODULE_PROC_FAMILY "R5500 "
103#elif defined CONFIG_CPU_R6000
104#define MODULE_PROC_FAMILY "R6000 "
105#elif defined CONFIG_CPU_NEVADA
106#define MODULE_PROC_FAMILY "NEVADA "
107#elif defined CONFIG_CPU_R8000
108#define MODULE_PROC_FAMILY "R8000 "
109#elif defined CONFIG_CPU_R10000
110#define MODULE_PROC_FAMILY "R10000 "
111#elif defined CONFIG_CPU_RM7000
112#define MODULE_PROC_FAMILY "RM7000 "
113#elif defined CONFIG_CPU_RM9000
114#define MODULE_PROC_FAMILY "RM9000 "
115#elif defined CONFIG_CPU_SB1
116#define MODULE_PROC_FAMILY "SB1 "
117#elif defined CONFIG_CPU_LOONGSON2
118#define MODULE_PROC_FAMILY "LOONGSON2 "
119#elif defined CONFIG_CPU_CAVIUM_OCTEON
120#define MODULE_PROC_FAMILY "OCTEON "
121#elif defined CONFIG_CPU_XLR
122#define MODULE_PROC_FAMILY "XLR "
123#else
124#error MODULE_PROC_FAMILY undefined for your processor configuration
125#endif
126
127#ifdef CONFIG_32BIT
128#define MODULE_KERNEL_TYPE "32BIT "
129#elif defined CONFIG_64BIT
130#define MODULE_KERNEL_TYPE "64BIT "
131#endif
132
133#ifdef CONFIG_MIPS_MT_SMTC
134#define MODULE_KERNEL_SMTC "MT_SMTC "
135#else
136#define MODULE_KERNEL_SMTC ""
137#endif
138
139#define MODULE_ARCH_VERMAGIC \
140 MODULE_PROC_FAMILY MODULE_KERNEL_TYPE MODULE_KERNEL_SMTC
141
142#endif /* _ASM_MODULE_H */