| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_ARM_MODULE_H |
| #define _ASM_ARM_MODULE_H |
| |
| #include <asm-generic/module.h> |
| |
| struct unwind_table; |
| |
| #ifdef CONFIG_ARM_UNWIND |
| enum { |
| ARM_SEC_INIT, |
| ARM_SEC_DEVINIT, |
| ARM_SEC_CORE, |
| ARM_SEC_EXIT, |
| ARM_SEC_DEVEXIT, |
| ARM_SEC_HOT, |
| ARM_SEC_UNLIKELY, |
| ARM_SEC_MAX, |
| }; |
| #endif |
| |
| struct mod_plt_sec { |
| struct elf32_shdr *plt; |
| int plt_count; |
| }; |
| |
| struct mod_arch_specific { |
| #ifdef CONFIG_ARM_UNWIND |
| struct unwind_table *unwind[ARM_SEC_MAX]; |
| #endif |
| #ifdef CONFIG_ARM_MODULE_PLTS |
| struct mod_plt_sec core; |
| struct mod_plt_sec init; |
| #endif |
| }; |
| |
| struct module; |
| u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val); |
| |
| /* |
| * Add the ARM architecture version to the version magic string |
| */ |
| #define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " " |
| |
| /* Add __virt_to_phys patching state as well */ |
| #ifdef CONFIG_ARM_PATCH_PHYS_VIRT |
| #define MODULE_ARCH_VERMAGIC_P2V "p2v8 " |
| #else |
| #define MODULE_ARCH_VERMAGIC_P2V "" |
| #endif |
| |
| /* Add instruction set architecture tag to distinguish ARM/Thumb kernels */ |
| #ifdef CONFIG_THUMB2_KERNEL |
| #define MODULE_ARCH_VERMAGIC_ARMTHUMB "thumb2 " |
| #else |
| #define MODULE_ARCH_VERMAGIC_ARMTHUMB "" |
| #endif |
| |
| #define MODULE_ARCH_VERMAGIC \ |
| MODULE_ARCH_VERMAGIC_ARMVSN \ |
| MODULE_ARCH_VERMAGIC_ARMTHUMB \ |
| MODULE_ARCH_VERMAGIC_P2V |
| |
| #ifdef CONFIG_THUMB2_KERNEL |
| #define HAVE_ARCH_KALLSYMS_SYMBOL_VALUE |
| static inline unsigned long kallsyms_symbol_value(const Elf_Sym *sym) |
| { |
| if (ELF_ST_TYPE(sym->st_info) == STT_FUNC) |
| return sym->st_value & ~1; |
| |
| return sym->st_value; |
| } |
| #endif |
| |
| #endif /* _ASM_ARM_MODULE_H */ |