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>
9 #ifdef CONFIG_ARM_UNWIND
22 #define PLT_ENT_STRIDE L1_CACHE_BYTES
23 #define PLT_ENT_COUNT (PLT_ENT_STRIDE / sizeof(u32))
24 #define PLT_ENT_SIZE (sizeof(struct plt_entries) / PLT_ENT_COUNT)
27 u32 ldr[PLT_ENT_COUNT];
28 u32 lit[PLT_ENT_COUNT];
32 struct elf32_shdr *plt;
33 struct plt_entries *plt_ent;
37 struct mod_arch_specific {
38 #ifdef CONFIG_ARM_UNWIND
39 struct unwind_table *unwind[ARM_SEC_MAX];
41 #ifdef CONFIG_ARM_MODULE_PLTS
42 struct mod_plt_sec core;
43 struct mod_plt_sec init;
48 u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val);
51 * Add the ARM architecture version to the version magic string
53 #define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " "
55 /* Add __virt_to_phys patching state as well */
56 #ifdef CONFIG_ARM_PATCH_PHYS_VIRT
57 #define MODULE_ARCH_VERMAGIC_P2V "p2v8 "
59 #define MODULE_ARCH_VERMAGIC_P2V ""
62 /* Add instruction set architecture tag to distinguish ARM/Thumb kernels */
63 #ifdef CONFIG_THUMB2_KERNEL
64 #define MODULE_ARCH_VERMAGIC_ARMTHUMB "thumb2 "
66 #define MODULE_ARCH_VERMAGIC_ARMTHUMB ""
69 #define MODULE_ARCH_VERMAGIC \
70 MODULE_ARCH_VERMAGIC_ARMVSN \
71 MODULE_ARCH_VERMAGIC_ARMTHUMB \
72 MODULE_ARCH_VERMAGIC_P2V
74 #ifdef CONFIG_THUMB2_KERNEL
75 #define HAVE_ARCH_KALLSYMS_SYMBOL_VALUE
76 static inline unsigned long kallsyms_symbol_value(const Elf_Sym *sym)
78 if (ELF_ST_TYPE(sym->st_info) == STT_FUNC)
79 return sym->st_value & ~1;
85 #endif /* _ASM_ARM_MODULE_H */