1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_ARM_MODULE_H
3 #define _ASM_ARM_MODULE_H
5 #include <asm-generic/module.h>
6 #include <asm/unwind.h>
8 #ifdef CONFIG_ARM_UNWIND
9 #define ELF_SECTION_UNWIND 0x70000001
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)
17 u32 ldr[PLT_ENT_COUNT];
18 u32 lit[PLT_ENT_COUNT];
22 struct elf32_shdr *plt;
23 struct plt_entries *plt_ent;
27 struct mod_arch_specific {
28 #ifdef CONFIG_ARM_UNWIND
29 struct list_head unwind_list;
30 struct unwind_table *init_table;
32 #ifdef CONFIG_ARM_MODULE_PLTS
33 struct mod_plt_sec core;
34 struct mod_plt_sec init;
39 u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val);
40 #ifdef CONFIG_ARM_MODULE_PLTS
41 bool in_module_plt(unsigned long loc);
43 static inline bool in_module_plt(unsigned long loc) { return false; }
46 #ifdef CONFIG_THUMB2_KERNEL
47 #define HAVE_ARCH_KALLSYMS_SYMBOL_VALUE
48 static inline unsigned long kallsyms_symbol_value(const Elf_Sym *sym)
50 if (ELF_ST_TYPE(sym->st_info) == STT_FUNC)
51 return sym->st_value & ~1;
57 #endif /* _ASM_ARM_MODULE_H */