Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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#ifdef CONFIG_CPU_BMIPS
87#define MODULE_PROC_FAMILY "BMIPS "
88#elif defined CONFIG_CPU_MIPS32_R1
89#define MODULE_PROC_FAMILY "MIPS32_R1 "
90#elif defined CONFIG_CPU_MIPS32_R2
91#define MODULE_PROC_FAMILY "MIPS32_R2 "
92#elif defined CONFIG_CPU_MIPS32_R6
93#define MODULE_PROC_FAMILY "MIPS32_R6 "
94#elif defined CONFIG_CPU_MIPS64_R1
95#define MODULE_PROC_FAMILY "MIPS64_R1 "
96#elif defined CONFIG_CPU_MIPS64_R2
97#define MODULE_PROC_FAMILY "MIPS64_R2 "
98#elif defined CONFIG_CPU_MIPS64_R6
99#define MODULE_PROC_FAMILY "MIPS64_R6 "
100#elif defined CONFIG_CPU_R3000
101#define MODULE_PROC_FAMILY "R3000 "
102#elif defined CONFIG_CPU_TX39XX
103#define MODULE_PROC_FAMILY "TX39XX "
104#elif defined CONFIG_CPU_VR41XX
105#define MODULE_PROC_FAMILY "VR41XX "
106#elif defined CONFIG_CPU_R4X00
107#define MODULE_PROC_FAMILY "R4X00 "
108#elif defined CONFIG_CPU_TX49XX
109#define MODULE_PROC_FAMILY "TX49XX "
110#elif defined CONFIG_CPU_R5000
111#define MODULE_PROC_FAMILY "R5000 "
112#elif defined CONFIG_CPU_R5500
113#define MODULE_PROC_FAMILY "R5500 "
114#elif defined CONFIG_CPU_NEVADA
115#define MODULE_PROC_FAMILY "NEVADA "
116#elif defined CONFIG_CPU_R10000
117#define MODULE_PROC_FAMILY "R10000 "
118#elif defined CONFIG_CPU_RM7000
119#define MODULE_PROC_FAMILY "RM7000 "
120#elif defined CONFIG_CPU_SB1
121#define MODULE_PROC_FAMILY "SB1 "
122#elif defined CONFIG_CPU_LOONGSON32
123#define MODULE_PROC_FAMILY "LOONGSON32 "
124#elif defined CONFIG_CPU_LOONGSON2EF
125#define MODULE_PROC_FAMILY "LOONGSON2EF "
126#elif defined CONFIG_CPU_LOONGSON64
127#define MODULE_PROC_FAMILY "LOONGSON64 "
128#elif defined CONFIG_CPU_CAVIUM_OCTEON
129#define MODULE_PROC_FAMILY "OCTEON "
130#elif defined CONFIG_CPU_XLR
131#define MODULE_PROC_FAMILY "XLR "
132#elif defined CONFIG_CPU_XLP
133#define MODULE_PROC_FAMILY "XLP "
134#else
135#error MODULE_PROC_FAMILY undefined for your processor configuration
136#endif
137
138#ifdef CONFIG_32BIT
139#define MODULE_KERNEL_TYPE "32BIT "
140#elif defined CONFIG_64BIT
141#define MODULE_KERNEL_TYPE "64BIT "
142#endif
143
144#define MODULE_ARCH_VERMAGIC \
145 MODULE_PROC_FAMILY MODULE_KERNEL_TYPE
146
147#endif /* _ASM_MODULE_H */