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 u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val);
  38
  39 /*
  40  * Add the ARM architecture version to the version magic string
  41  */
  42 #define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " "
  43
  44 /* Add __virt_to_phys patching state as well */
  45 #ifdef CONFIG_ARM_PATCH_PHYS_VIRT
  46 #define MODULE_ARCH_VERMAGIC_P2V "p2v8 "
  47 #else
  48 #define MODULE_ARCH_VERMAGIC_P2V ""
  49 #endif
  50
  51 /* Add instruction set architecture tag to distinguish ARM/Thumb kernels */
  52 #ifdef CONFIG_THUMB2_KERNEL
  53 #define MODULE_ARCH_VERMAGIC_ARMTHUMB "thumb2 "
  54 #else
  55 #define MODULE_ARCH_VERMAGIC_ARMTHUMB ""
  56 #endif
  57
  58 #define MODULE_ARCH_VERMAGIC \
  59         MODULE_ARCH_VERMAGIC_ARMVSN \
  60         MODULE_ARCH_VERMAGIC_ARMTHUMB \
  61         MODULE_ARCH_VERMAGIC_P2V
  62
  63 #endif /* _ASM_ARM_MODULE_H */