diff options
| author | Aaron Tomlin <atomlin@redhat.com> | 2022-03-22 14:03:39 +0000 |
|---|---|---|
| committer | Luis Chamberlain <mcgrof@kernel.org> | 2022-04-05 08:43:04 -0700 |
| commit | 91fb02f31505dc22262b13a129550f470ab90a79 (patch) | |
| tree | d12509a9bb76da8fc49423ac3e2e6df71dcd85fa /kernel/module/internal.h | |
| parent | 473c84d1856e83faebf059a52a8e49bdb89026d3 (diff) | |
module: Move kallsyms support into a separate file
No functional change.
This patch migrates kallsyms code out of core module
code kernel/module/kallsyms.c
Signed-off-by: Aaron Tomlin <atomlin@redhat.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Diffstat (limited to 'kernel/module/internal.h')
| -rw-r--r-- | kernel/module/internal.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/kernel/module/internal.h b/kernel/module/internal.h index b0c360839f63..44ca05b9eb8f 100644 --- a/kernel/module/internal.h +++ b/kernel/module/internal.h @@ -68,6 +68,19 @@ struct load_info { }; int mod_verify_sig(const void *mod, struct load_info *info); +struct module *find_module_all(const char *name, size_t len, bool even_unformed); +int cmp_name(const void *name, const void *sym); +long module_get_offset(struct module *mod, unsigned int *size, Elf_Shdr *sechdr, + unsigned int section); + +static inline unsigned long kernel_symbol_value(const struct kernel_symbol *sym) +{ +#ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS + return (unsigned long)offset_to_ptr(&sym->value_offset); +#else + return sym->value; +#endif +} #ifdef CONFIG_LIVEPATCH int copy_module_elf(struct module *mod, struct load_info *info); @@ -174,3 +187,19 @@ void kmemleak_load_module(const struct module *mod, const struct load_info *info static inline void kmemleak_load_module(const struct module *mod, const struct load_info *info) { } #endif /* CONFIG_DEBUG_KMEMLEAK */ + +#ifdef CONFIG_KALLSYMS +void init_build_id(struct module *mod, const struct load_info *info); +void layout_symtab(struct module *mod, struct load_info *info); +void add_kallsyms(struct module *mod, const struct load_info *info); +unsigned long find_kallsyms_symbol_value(struct module *mod, const char *name); + +static inline bool sect_empty(const Elf_Shdr *sect) +{ + return !(sect->sh_flags & SHF_ALLOC) || sect->sh_size == 0; +} +#else /* !CONFIG_KALLSYMS */ +static inline void init_build_id(struct module *mod, const struct load_info *info) { } +static inline void layout_symtab(struct module *mod, struct load_info *info) { } +static inline void add_kallsyms(struct module *mod, const struct load_info *info) { } +#endif /* CONFIG_KALLSYMS */ |