diff options
Diffstat (limited to 'arch/arm/include/asm/module.h')
| -rw-r--r-- | arch/arm/include/asm/module.h | 68 |
1 files changed, 39 insertions, 29 deletions
diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h index 0d3a28dbc8e5..07c51a34f77d 100644 --- a/arch/arm/include/asm/module.h +++ b/arch/arm/include/asm/module.h @@ -1,47 +1,57 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_ARM_MODULE_H #define _ASM_ARM_MODULE_H #include <asm-generic/module.h> - -struct unwind_table; +#include <asm/unwind.h> #ifdef CONFIG_ARM_UNWIND -enum { - ARM_SEC_INIT, - ARM_SEC_DEVINIT, - ARM_SEC_CORE, - ARM_SEC_EXIT, - ARM_SEC_DEVEXIT, - ARM_SEC_MAX, +#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_arch_specific { - struct unwind_table *unwind[ARM_SEC_MAX]; +struct mod_plt_sec { + struct elf32_shdr *plt; + struct plt_entries *plt_ent; + int plt_count; }; -#endif -/* - * Add the ARM architecture version to the version magic string - */ -#define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " " +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 +}; -/* Add __virt_to_phys patching state as well */ -#ifdef CONFIG_ARM_PATCH_PHYS_VIRT -#define MODULE_ARCH_VERMAGIC_P2V "p2v8 " +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 -#define MODULE_ARCH_VERMAGIC_P2V "" +static inline bool in_module_plt(unsigned long loc) { return false; } #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 "" +#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 -#define MODULE_ARCH_VERMAGIC \ - MODULE_ARCH_VERMAGIC_ARMVSN \ - MODULE_ARCH_VERMAGIC_ARMTHUMB \ - MODULE_ARCH_VERMAGIC_P2V - #endif /* _ASM_ARM_MODULE_H */ |
