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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_ARM_MODULE_H
#define _ASM_ARM_MODULE_H
#include <asm-generic/module.h>
#include <asm/unwind.h>
#ifdef CONFIG_ARM_UNWIND
#define ELF_SECTION_UNWIND 0x70000001
#endif
#define PLT_ENT_STRIDE L1_CACHE_BYTES
#define PLT_ENT_COUNT (PLT_ENT_STRIDE / sizeof(u32))
#define PLT_ENT_SIZE (sizeof(struct plt_entries) / PLT_ENT_COUNT)
struct plt_entries {
u32 ldr[PLT_ENT_COUNT];
u32 lit[PLT_ENT_COUNT];
};
struct mod_plt_sec {
struct elf32_shdr *plt;
struct plt_entries *plt_ent;
int plt_count;
};
struct mod_arch_specific {
#ifdef CONFIG_ARM_UNWIND
struct list_head unwind_list;
struct unwind_table *init_table;
#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);
#ifdef CONFIG_ARM_MODULE_PLTS
bool in_module_plt(unsigned long loc);
#else
static inline bool in_module_plt(unsigned long loc) { return false; }
#endif
#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 */