module.h (1140B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _ASM_ARM_MODULE_H 3#define _ASM_ARM_MODULE_H 4 5#include <asm-generic/module.h> 6#include <asm/unwind.h> 7 8#ifdef CONFIG_ARM_UNWIND 9#define ELF_SECTION_UNWIND 0x70000001 10#endif 11 12#define PLT_ENT_STRIDE L1_CACHE_BYTES 13#define PLT_ENT_COUNT (PLT_ENT_STRIDE / sizeof(u32)) 14#define PLT_ENT_SIZE (sizeof(struct plt_entries) / PLT_ENT_COUNT) 15 16struct plt_entries { 17 u32 ldr[PLT_ENT_COUNT]; 18 u32 lit[PLT_ENT_COUNT]; 19}; 20 21struct mod_plt_sec { 22 struct elf32_shdr *plt; 23 struct plt_entries *plt_ent; 24 int plt_count; 25}; 26 27struct mod_arch_specific { 28#ifdef CONFIG_ARM_UNWIND 29 struct list_head unwind_list; 30 struct unwind_table *init_table; 31#endif 32#ifdef CONFIG_ARM_MODULE_PLTS 33 struct mod_plt_sec core; 34 struct mod_plt_sec init; 35#endif 36}; 37 38struct module; 39u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val); 40 41#ifdef CONFIG_THUMB2_KERNEL 42#define HAVE_ARCH_KALLSYMS_SYMBOL_VALUE 43static inline unsigned long kallsyms_symbol_value(const Elf_Sym *sym) 44{ 45 if (ELF_ST_TYPE(sym->st_info) == STT_FUNC) 46 return sym->st_value & ~1; 47 48 return sym->st_value; 49} 50#endif 51 52#endif /* _ASM_ARM_MODULE_H */