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 /* 41 * Add the ARM architecture version to the version magic string 42 */ 43 #define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " " 44 45 /* Add __virt_to_phys patching state as well */ 46 #ifdef CONFIG_ARM_PATCH_PHYS_VIRT 47 #define MODULE_ARCH_VERMAGIC_P2V "p2v8 " 48 #else 49 #define MODULE_ARCH_VERMAGIC_P2V "" 50 #endif 51 52 /* Add instruction set architecture tag to distinguish ARM/Thumb kernels */ 53 #ifdef CONFIG_THUMB2_KERNEL 54 #define MODULE_ARCH_VERMAGIC_ARMTHUMB "thumb2 " 55 #else 56 #define MODULE_ARCH_VERMAGIC_ARMTHUMB "" 57 #endif 58 59 #define MODULE_ARCH_VERMAGIC \ 60 MODULE_ARCH_VERMAGIC_ARMVSN \ 61 MODULE_ARCH_VERMAGIC_ARMTHUMB \ 62 MODULE_ARCH_VERMAGIC_P2V 63 64 #ifdef CONFIG_THUMB2_KERNEL 65 #define HAVE_ARCH_KALLSYMS_SYMBOL_VALUE 66 static inline unsigned long kallsyms_symbol_value(const Elf_Sym *sym) 67 { 68 if (ELF_ST_TYPE(sym->st_info) == STT_FUNC) 69 return sym->st_value & ~1; 70 71 return sym->st_value; 72 } 73 #endif 74 75 #endif /* _ASM_ARM_MODULE_H */ 76