xref: /linux/arch/mips/include/asm/module.h (revision c0c914eca7f251c70facc37dfebeaf176601918d)
1 #ifndef _ASM_MODULE_H
2 #define _ASM_MODULE_H
3 
4 #include <linux/list.h>
5 #include <linux/elf.h>
6 #include <asm/uaccess.h>
7 
8 struct 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 	struct mips_hi16 *r_mips_hi16_list;
14 };
15 
16 typedef uint8_t Elf64_Byte;		/* Type for a 8-bit quantity.  */
17 
18 typedef struct {
19 	Elf64_Addr r_offset;			/* Address of relocation.  */
20 	Elf64_Word r_sym;			/* Symbol index.  */
21 	Elf64_Byte r_ssym;			/* Special symbol.  */
22 	Elf64_Byte r_type3;			/* Third relocation.  */
23 	Elf64_Byte r_type2;			/* Second relocation.  */
24 	Elf64_Byte r_type;			/* First relocation.  */
25 } Elf64_Mips_Rel;
26 
27 typedef struct {
28 	Elf64_Addr r_offset;			/* Address of relocation.  */
29 	Elf64_Word r_sym;			/* Symbol index.  */
30 	Elf64_Byte r_ssym;			/* Special symbol.  */
31 	Elf64_Byte r_type3;			/* Third relocation.  */
32 	Elf64_Byte r_type2;			/* Second relocation.  */
33 	Elf64_Byte r_type;			/* First relocation.  */
34 	Elf64_Sxword r_addend;			/* Addend.  */
35 } Elf64_Mips_Rela;
36 
37 #ifdef CONFIG_32BIT
38 #define Elf_Shdr	Elf32_Shdr
39 #define Elf_Sym		Elf32_Sym
40 #define Elf_Ehdr	Elf32_Ehdr
41 #define Elf_Addr	Elf32_Addr
42 #define Elf_Rel		Elf32_Rel
43 #define Elf_Rela	Elf32_Rela
44 #define ELF_R_TYPE(X)	ELF32_R_TYPE(X)
45 #define ELF_R_SYM(X)	ELF32_R_SYM(X)
46 
47 #define Elf_Mips_Rel	Elf32_Rel
48 #define Elf_Mips_Rela	Elf32_Rela
49 
50 #define ELF_MIPS_R_SYM(rel) ELF32_R_SYM(rel.r_info)
51 #define ELF_MIPS_R_TYPE(rel) ELF32_R_TYPE(rel.r_info)
52 
53 #endif
54 
55 #ifdef CONFIG_64BIT
56 #define Elf_Shdr	Elf64_Shdr
57 #define Elf_Sym		Elf64_Sym
58 #define Elf_Ehdr	Elf64_Ehdr
59 #define Elf_Addr	Elf64_Addr
60 #define Elf_Rel		Elf64_Rel
61 #define Elf_Rela	Elf64_Rela
62 #define ELF_R_TYPE(X)	ELF64_R_TYPE(X)
63 #define ELF_R_SYM(X)	ELF64_R_SYM(X)
64 
65 #define Elf_Mips_Rel	Elf64_Mips_Rel
66 #define Elf_Mips_Rela	Elf64_Mips_Rela
67 
68 #define ELF_MIPS_R_SYM(rel) (rel.r_sym)
69 #define ELF_MIPS_R_TYPE(rel) (rel.r_type)
70 
71 #endif
72 
73 #ifdef CONFIG_MODULES
74 /* Given an address, look for it in the exception tables. */
75 const struct exception_table_entry*search_module_dbetables(unsigned long addr);
76 #else
77 /* Given an address, look for it in the exception tables. */
78 static inline const struct exception_table_entry *
79 search_module_dbetables(unsigned long addr)
80 {
81 	return NULL;
82 }
83 #endif
84 
85 #ifdef CONFIG_CPU_BMIPS
86 #define MODULE_PROC_FAMILY "BMIPS "
87 #elif defined CONFIG_CPU_MIPS32_R1
88 #define MODULE_PROC_FAMILY "MIPS32_R1 "
89 #elif defined CONFIG_CPU_MIPS32_R2
90 #define MODULE_PROC_FAMILY "MIPS32_R2 "
91 #elif defined CONFIG_CPU_MIPS32_R6
92 #define MODULE_PROC_FAMILY "MIPS32_R6 "
93 #elif defined CONFIG_CPU_MIPS64_R1
94 #define MODULE_PROC_FAMILY "MIPS64_R1 "
95 #elif defined CONFIG_CPU_MIPS64_R2
96 #define MODULE_PROC_FAMILY "MIPS64_R2 "
97 #elif defined CONFIG_CPU_MIPS64_R6
98 #define MODULE_PROC_FAMILY "MIPS64_R6 "
99 #elif defined CONFIG_CPU_R3000
100 #define MODULE_PROC_FAMILY "R3000 "
101 #elif defined CONFIG_CPU_TX39XX
102 #define MODULE_PROC_FAMILY "TX39XX "
103 #elif defined CONFIG_CPU_VR41XX
104 #define MODULE_PROC_FAMILY "VR41XX "
105 #elif defined CONFIG_CPU_R4300
106 #define MODULE_PROC_FAMILY "R4300 "
107 #elif defined CONFIG_CPU_R4X00
108 #define MODULE_PROC_FAMILY "R4X00 "
109 #elif defined CONFIG_CPU_TX49XX
110 #define MODULE_PROC_FAMILY "TX49XX "
111 #elif defined CONFIG_CPU_R5000
112 #define MODULE_PROC_FAMILY "R5000 "
113 #elif defined CONFIG_CPU_R5432
114 #define MODULE_PROC_FAMILY "R5432 "
115 #elif defined CONFIG_CPU_R5500
116 #define MODULE_PROC_FAMILY "R5500 "
117 #elif defined CONFIG_CPU_R6000
118 #define MODULE_PROC_FAMILY "R6000 "
119 #elif defined CONFIG_CPU_NEVADA
120 #define MODULE_PROC_FAMILY "NEVADA "
121 #elif defined CONFIG_CPU_R8000
122 #define MODULE_PROC_FAMILY "R8000 "
123 #elif defined CONFIG_CPU_R10000
124 #define MODULE_PROC_FAMILY "R10000 "
125 #elif defined CONFIG_CPU_RM7000
126 #define MODULE_PROC_FAMILY "RM7000 "
127 #elif defined CONFIG_CPU_SB1
128 #define MODULE_PROC_FAMILY "SB1 "
129 #elif defined CONFIG_CPU_LOONGSON1
130 #define MODULE_PROC_FAMILY "LOONGSON1 "
131 #elif defined CONFIG_CPU_LOONGSON2
132 #define MODULE_PROC_FAMILY "LOONGSON2 "
133 #elif defined CONFIG_CPU_LOONGSON3
134 #define MODULE_PROC_FAMILY "LOONGSON3 "
135 #elif defined CONFIG_CPU_CAVIUM_OCTEON
136 #define MODULE_PROC_FAMILY "OCTEON "
137 #elif defined CONFIG_CPU_XLR
138 #define MODULE_PROC_FAMILY "XLR "
139 #elif defined CONFIG_CPU_XLP
140 #define MODULE_PROC_FAMILY "XLP "
141 #else
142 #error MODULE_PROC_FAMILY undefined for your processor configuration
143 #endif
144 
145 #ifdef CONFIG_32BIT
146 #define MODULE_KERNEL_TYPE "32BIT "
147 #elif defined CONFIG_64BIT
148 #define MODULE_KERNEL_TYPE "64BIT "
149 #endif
150 
151 #define MODULE_ARCH_VERMAGIC \
152 	MODULE_PROC_FAMILY MODULE_KERNEL_TYPE
153 
154 #endif /* _ASM_MODULE_H */
155