87 lines
2.3 KiB
C
87 lines
2.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_MODULE_H
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#define _ASM_MODULE_H
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#include <linux/list.h>
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#include <linux/elf.h>
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#include <asm/extable.h>
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struct mod_arch_specific {
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/* Data Bus Error exception tables */
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struct list_head dbe_list;
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const struct exception_table_entry *dbe_start;
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const struct exception_table_entry *dbe_end;
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struct mips_hi16 *r_mips_hi16_list;
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};
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typedef uint8_t Elf64_Byte; /* Type for a 8-bit quantity. */
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typedef struct {
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Elf64_Addr r_offset; /* Address of relocation. */
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Elf64_Word r_sym; /* Symbol index. */
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Elf64_Byte r_ssym; /* Special symbol. */
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Elf64_Byte r_type3; /* Third relocation. */
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Elf64_Byte r_type2; /* Second relocation. */
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Elf64_Byte r_type; /* First relocation. */
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} Elf64_Mips_Rel;
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typedef struct {
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Elf64_Addr r_offset; /* Address of relocation. */
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Elf64_Word r_sym; /* Symbol index. */
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Elf64_Byte r_ssym; /* Special symbol. */
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Elf64_Byte r_type3; /* Third relocation. */
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Elf64_Byte r_type2; /* Second relocation. */
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Elf64_Byte r_type; /* First relocation. */
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Elf64_Sxword r_addend; /* Addend. */
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} Elf64_Mips_Rela;
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#ifdef CONFIG_32BIT
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#define Elf_Shdr Elf32_Shdr
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#define Elf_Sym Elf32_Sym
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#define Elf_Ehdr Elf32_Ehdr
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#define Elf_Addr Elf32_Addr
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#define Elf_Rel Elf32_Rel
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#define Elf_Rela Elf32_Rela
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#define ELF_R_TYPE(X) ELF32_R_TYPE(X)
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#define ELF_R_SYM(X) ELF32_R_SYM(X)
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#define Elf_Mips_Rel Elf32_Rel
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#define Elf_Mips_Rela Elf32_Rela
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#define ELF_MIPS_R_SYM(rel) ELF32_R_SYM((rel).r_info)
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#define ELF_MIPS_R_TYPE(rel) ELF32_R_TYPE((rel).r_info)
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#endif
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#ifdef CONFIG_64BIT
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#define Elf_Shdr Elf64_Shdr
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#define Elf_Sym Elf64_Sym
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#define Elf_Ehdr Elf64_Ehdr
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#define Elf_Addr Elf64_Addr
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#define Elf_Rel Elf64_Rel
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#define Elf_Rela Elf64_Rela
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#define ELF_R_TYPE(X) ELF64_R_TYPE(X)
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#define ELF_R_SYM(X) ELF64_R_SYM(X)
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#define Elf_Mips_Rel Elf64_Mips_Rel
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#define Elf_Mips_Rela Elf64_Mips_Rela
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#define ELF_MIPS_R_SYM(rel) ((rel).r_sym)
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#define ELF_MIPS_R_TYPE(rel) ((rel).r_type)
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#endif
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#ifdef CONFIG_MODULES
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/* Given an address, look for it in the exception tables. */
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const struct exception_table_entry*search_module_dbetables(unsigned long addr);
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#else
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/* Given an address, look for it in the exception tables. */
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static inline const struct exception_table_entry *
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search_module_dbetables(unsigned long addr)
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{
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return NULL;
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}
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#endif
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#endif /* _ASM_MODULE_H */
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