| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Linux/include/linux/ (Open Source Betriebssystem Version 6.17.9©) Datei vom 24.10.2025 mit Größe 3 kB |
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Quelle moduleloader.h Sprache: C |
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_MODULELOADER_H #define _LINUX_MODULELOADER_H /* The stuff needed for archs to support modules. */ #include <linux/module.h> #include <linux/elf.h> /* These may be implemented by architectures that need to hook into the * module loader code. Architectures that don't need to do anything special * can just rely on the 'weak' default hooks defined in kernel/module.c. * Note, however, that at least one of apply_relocate or apply_relocate_add * must be implemented by each architecture. */ /* arch may override to do additional checking of ELF header architecture */ bool module_elf_check_arch(Elf_Ehdr *hdr); /* Adjust arch-specific sections. Return 0 on success. */ int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs, char *secstrings, struct module *mod); /* Additional bytes needed by arch in front of individual sections */ unsigned int arch_mod_section_prepend(struct module *mod, unsigned int section); /* Determines if the section name is an init section (that is only used during * module loading). */ bool module_init_section(const char *name); /* Determines if the section name is an exit section (that is only used during * module unloading) */ bool module_exit_section(const char *name); /* Describes whether within_module_init() will consider this an init section * or not. This behaviour changes with CONFIG_MODULE_UNLOAD. */ bool module_init_layout_section(const char *sname); /* * Apply the given relocation to the (simplified) ELF. Return -error * or 0. */ #ifdef CONFIG_MODULES_USE_ELF_REL int apply_relocate(Elf_Shdr *sechdrs, const char *strtab, unsigned int symindex, unsigned int relsec, struct module *mod); #else static inline int apply_relocate(Elf_Shdr *sechdrs, const char *strtab, unsigned int symindex, unsigned int relsec, struct module *me) { printk(KERN_ERR "module %s: REL relocation unsupported\n", module_name(me)); return -ENOEXEC; } #endif /* * Apply the given add relocation to the (simplified) ELF. Return * -error or 0 */ #ifdef CONFIG_MODULES_USE_ELF_RELA int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab, unsigned int symindex, unsigned int relsec, struct module *mod); #ifdef CONFIG_LIVEPATCH /* * Some architectures (namely x86_64 and ppc64) perform sanity checks when * applying relocations. If a patched module gets unloaded and then later * reloaded (and re-patched), klp re-applies relocations to the replacement * function(s). Any leftover relocations from the previous loading of the * patched module might trigger the sanity checks. * * To prevent that, when unloading a patched module, clear out any relocations * that might trigger arch-specific sanity checks on a future module reload. */ void clear_relocate_add(Elf_Shdr *sechdrs, const char *strtab, unsigned int symindex, unsigned int relsec, struct module *me); #endif #else static inline int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab, unsigned int symindex, unsigned int relsec, struct module *me) { printk(KERN_ERR "module %s: REL relocation unsupported\n", module_name(me)); return -ENOEXEC; } #endif /* Any final processing of module before access. Return -error or 0. */ int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, struct module *mod); #ifdef CONFIG_MODULES void flush_module_init_free_work(void); #else static inline void flush_module_init_free_work(void) { } #endif /* Any cleanup needed when module leaves. */ void module_arch_cleanup(struct module *mod); /* Any cleanup before freeing mod->module_init */ void module_arch_freeing_init(struct module *mod); #endif ¤ Dauer der Verarbeitung: 0.12 Sekunden (vorverarbeitet) ¤*© Formatika GbR, Deutschland |
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2026-03-28