Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 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 | |
| 9 | struct 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 | |
| 17 | typedef uint8_t Elf64_Byte; /* Type for a 8-bit quantity. */ |
| 18 | |
| 19 | typedef 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 | |
| 28 | typedef 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. */ |
| 76 | const struct exception_table_entry*search_module_dbetables(unsigned long addr); |
| 77 | #else |
| 78 | /* Given an address, look for it in the exception tables. */ |
| 79 | static inline const struct exception_table_entry * |
| 80 | search_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_R4300 |
| 107 | #define MODULE_PROC_FAMILY "R4300 " |
| 108 | #elif defined CONFIG_CPU_R4X00 |
| 109 | #define MODULE_PROC_FAMILY "R4X00 " |
| 110 | #elif defined CONFIG_CPU_TX49XX |
| 111 | #define MODULE_PROC_FAMILY "TX49XX " |
| 112 | #elif defined CONFIG_CPU_R5000 |
| 113 | #define MODULE_PROC_FAMILY "R5000 " |
| 114 | #elif defined CONFIG_CPU_R5432 |
| 115 | #define MODULE_PROC_FAMILY "R5432 " |
| 116 | #elif defined CONFIG_CPU_R5500 |
| 117 | #define MODULE_PROC_FAMILY "R5500 " |
| 118 | #elif defined CONFIG_CPU_NEVADA |
| 119 | #define MODULE_PROC_FAMILY "NEVADA " |
| 120 | #elif defined CONFIG_CPU_R8000 |
| 121 | #define MODULE_PROC_FAMILY "R8000 " |
| 122 | #elif defined CONFIG_CPU_R10000 |
| 123 | #define MODULE_PROC_FAMILY "R10000 " |
| 124 | #elif defined CONFIG_CPU_RM7000 |
| 125 | #define MODULE_PROC_FAMILY "RM7000 " |
| 126 | #elif defined CONFIG_CPU_SB1 |
| 127 | #define MODULE_PROC_FAMILY "SB1 " |
| 128 | #elif defined CONFIG_CPU_LOONGSON1 |
| 129 | #define MODULE_PROC_FAMILY "LOONGSON1 " |
| 130 | #elif defined CONFIG_CPU_LOONGSON2 |
| 131 | #define MODULE_PROC_FAMILY "LOONGSON2 " |
| 132 | #elif defined CONFIG_CPU_LOONGSON3 |
| 133 | #define MODULE_PROC_FAMILY "LOONGSON3 " |
| 134 | #elif defined CONFIG_CPU_CAVIUM_OCTEON |
| 135 | #define MODULE_PROC_FAMILY "OCTEON " |
| 136 | #elif defined CONFIG_CPU_XLR |
| 137 | #define MODULE_PROC_FAMILY "XLR " |
| 138 | #elif defined CONFIG_CPU_XLP |
| 139 | #define MODULE_PROC_FAMILY "XLP " |
| 140 | #else |
| 141 | #error MODULE_PROC_FAMILY undefined for your processor configuration |
| 142 | #endif |
| 143 | |
| 144 | #ifdef CONFIG_32BIT |
| 145 | #define MODULE_KERNEL_TYPE "32BIT " |
| 146 | #elif defined CONFIG_64BIT |
| 147 | #define MODULE_KERNEL_TYPE "64BIT " |
| 148 | #endif |
| 149 | |
| 150 | #define MODULE_ARCH_VERMAGIC \ |
| 151 | MODULE_PROC_FAMILY MODULE_KERNEL_TYPE |
| 152 | |
| 153 | #endif /* _ASM_MODULE_H */ |