arch/arm/include/asm/module.h

   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
   7 struct unwind_table;
   8
   9 #ifdef CONFIG_ARM_UNWIND
  10 enum {
  11         ARM_SEC_INIT,
  12         ARM_SEC_DEVINIT,
  13         ARM_SEC_CORE,
  14         ARM_SEC_EXIT,
  15         ARM_SEC_DEVEXIT,
  16         ARM_SEC_HOT,
  17         ARM_SEC_UNLIKELY,
  18         ARM_SEC_MAX,
  19 };
  20 #endif
  21
  22 struct mod_plt_sec {
  23         struct elf32_shdr       *plt;
  24         int                     plt_count;
  25 };
  26
  27 struct mod_arch_specific {
  28 #ifdef CONFIG_ARM_UNWIND
  29         struct unwind_table *unwind[ARM_SEC_MAX];
  30 #endif
  31 #ifdef CONFIG_ARM_MODULE_PLTS
  32         struct mod_plt_sec      core;
  33         struct mod_plt_sec      init;
  34 #endif
  35 };
  36
  37 struct module;
  38 u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val);
  39
  40 #ifdef CONFIG_THUMB2_KERNEL
  41 #define HAVE_ARCH_KALLSYMS_SYMBOL_VALUE
  42 static inline unsigned long kallsyms_symbol_value(const Elf_Sym *sym)
  43 {
  44         if (ELF_ST_TYPE(sym->st_info) == STT_FUNC)
  45                 return sym->st_value & ~1;
  46
  47         return sym->st_value;
  48 }
  49 #endif
  50
  51 #endif /* _ASM_ARM_MODULE_H */