LXR linux/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
   7struct unwind_table;
   8
   9#ifdef CONFIG_ARM_UNWIND
  10enum {
  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
  22struct mod_plt_sec {
  23        struct elf32_shdr       *plt;
  24        int                     plt_count;
  25};
  26
  27struct 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
  37u32 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 */
  64