diff options
Diffstat (limited to 'arch/arm/include/asm/module.h')
| -rw-r--r-- | arch/arm/include/asm/module.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h new file mode 100644 index 000000000..5546c9751 --- /dev/null +++ b/arch/arm/include/asm/module.h @@ -0,0 +1,52 @@ +/* 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_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 */ |