xref: /linux/arch/mips/include/asm/module.h (revision 9429ec96c2718c0d1e3317cf60a87a0405223814)
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 
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 
44 #define Elf_Mips_Rel	Elf32_Rel
45 #define Elf_Mips_Rela	Elf32_Rela
46 
47 #define ELF_MIPS_R_SYM(rel) ELF32_R_SYM(rel.r_info)
48 #define ELF_MIPS_R_TYPE(rel) ELF32_R_TYPE(rel.r_info)
49 
50 #endif
51 
52 #ifdef CONFIG_64BIT
53 
54 #define Elf_Shdr	Elf64_Shdr
55 #define Elf_Sym		Elf64_Sym
56 #define Elf_Ehdr	Elf64_Ehdr
57 #define Elf_Addr	Elf64_Addr
58 
59 #define Elf_Mips_Rel	Elf64_Mips_Rel
60 #define Elf_Mips_Rela	Elf64_Mips_Rela
61 
62 #define ELF_MIPS_R_SYM(rel) (rel.r_sym)
63 #define ELF_MIPS_R_TYPE(rel) (rel.r_type)
64 
65 #endif
66 
67 #ifdef CONFIG_MODULES
68 /* Given an address, look for it in the exception tables. */
69 const struct exception_table_entry*search_module_dbetables(unsigned long addr);
70 #else
71 /* Given an address, look for it in the exception tables. */
72 static inline const struct exception_table_entry *
73 search_module_dbetables(unsigned long addr)
74 {
75 	return NULL;
76 }
77 #endif
78 
79 #ifdef CONFIG_CPU_BMIPS
80 #define MODULE_PROC_FAMILY "BMIPS "
81 #elif defined CONFIG_CPU_MIPS32_R1
82 #define MODULE_PROC_FAMILY "MIPS32_R1 "
83 #elif defined CONFIG_CPU_MIPS32_R2
84 #define MODULE_PROC_FAMILY "MIPS32_R2 "
85 #elif defined CONFIG_CPU_MIPS64_R1
86 #define MODULE_PROC_FAMILY "MIPS64_R1 "
87 #elif defined CONFIG_CPU_MIPS64_R2
88 #define MODULE_PROC_FAMILY "MIPS64_R2 "
89 #elif defined CONFIG_CPU_R3000
90 #define MODULE_PROC_FAMILY "R3000 "
91 #elif defined CONFIG_CPU_TX39XX
92 #define MODULE_PROC_FAMILY "TX39XX "
93 #elif defined CONFIG_CPU_VR41XX
94 #define MODULE_PROC_FAMILY "VR41XX "
95 #elif defined CONFIG_CPU_R4300
96 #define MODULE_PROC_FAMILY "R4300 "
97 #elif defined CONFIG_CPU_R4X00
98 #define MODULE_PROC_FAMILY "R4X00 "
99 #elif defined CONFIG_CPU_TX49XX
100 #define MODULE_PROC_FAMILY "TX49XX "
101 #elif defined CONFIG_CPU_R5000
102 #define MODULE_PROC_FAMILY "R5000 "
103 #elif defined CONFIG_CPU_R5432
104 #define MODULE_PROC_FAMILY "R5432 "
105 #elif defined CONFIG_CPU_R5500
106 #define MODULE_PROC_FAMILY "R5500 "
107 #elif defined CONFIG_CPU_R6000
108 #define MODULE_PROC_FAMILY "R6000 "
109 #elif defined CONFIG_CPU_NEVADA
110 #define MODULE_PROC_FAMILY "NEVADA "
111 #elif defined CONFIG_CPU_R8000
112 #define MODULE_PROC_FAMILY "R8000 "
113 #elif defined CONFIG_CPU_R10000
114 #define MODULE_PROC_FAMILY "R10000 "
115 #elif defined CONFIG_CPU_RM7000
116 #define MODULE_PROC_FAMILY "RM7000 "
117 #elif defined CONFIG_CPU_RM9000
118 #define MODULE_PROC_FAMILY "RM9000 "
119 #elif defined CONFIG_CPU_SB1
120 #define MODULE_PROC_FAMILY "SB1 "
121 #elif defined CONFIG_CPU_LOONGSON1
122 #define MODULE_PROC_FAMILY "LOONGSON1 "
123 #elif defined CONFIG_CPU_LOONGSON2
124 #define MODULE_PROC_FAMILY "LOONGSON2 "
125 #elif defined CONFIG_CPU_CAVIUM_OCTEON
126 #define MODULE_PROC_FAMILY "OCTEON "
127 #elif defined CONFIG_CPU_XLR
128 #define MODULE_PROC_FAMILY "XLR "
129 #elif defined CONFIG_CPU_XLP
130 #define MODULE_PROC_FAMILY "XLP "
131 #else
132 #error MODULE_PROC_FAMILY undefined for your processor configuration
133 #endif
134 
135 #ifdef CONFIG_32BIT
136 #define MODULE_KERNEL_TYPE "32BIT "
137 #elif defined CONFIG_64BIT
138 #define MODULE_KERNEL_TYPE "64BIT "
139 #endif
140 
141 #ifdef CONFIG_MIPS_MT_SMTC
142 #define MODULE_KERNEL_SMTC "MT_SMTC "
143 #else
144 #define MODULE_KERNEL_SMTC ""
145 #endif
146 
147 #define MODULE_ARCH_VERMAGIC \
148 	MODULE_PROC_FAMILY MODULE_KERNEL_TYPE MODULE_KERNEL_SMTC
149 
150 #endif /* _ASM_MODULE_H */
151