diff options
author | Tiezhu Yang <yangtiezhu@loongson.cn> | 2023-03-31 17:15:52 +0800 |
---|---|---|
committer | Luis Chamberlain <mcgrof@kernel.org> | 2023-04-13 17:15:49 -0700 |
commit | 987d2e0aaa55de40938435be760aa96428470fd6 (patch) | |
tree | b052bab286905e58d71f35bd0c059b966ff7d0df | |
parent | 87e5b1e8f257023ac5c4d2b8f07716a7f3dcc8ea (diff) | |
download | linux-987d2e0aaa55de40938435be760aa96428470fd6.tar.gz |
module: Move is_arm_mapping_symbol() to module_symbol.h
In order to avoid duplicated code, move is_arm_mapping_symbol() to
include/linux/module_symbol.h, then remove is_arm_mapping_symbol()
in the other places.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
-rw-r--r-- | include/linux/module_symbol.h | 15 | ||||
-rw-r--r-- | kernel/module/kallsyms.c | 14 | ||||
-rw-r--r-- | scripts/mod/modpost.c | 10 |
3 files changed, 17 insertions, 22 deletions
diff --git a/include/linux/module_symbol.h b/include/linux/module_symbol.h new file mode 100644 index 000000000000..9fa4173d0197 --- /dev/null +++ b/include/linux/module_symbol.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef _LINUX_MODULE_SYMBOL_H +#define _LINUX_MODULE_SYMBOL_H + +/* This ignores the intensely annoying "mapping symbols" found in ELF files. */ +static inline int is_arm_mapping_symbol(const char *str) +{ + if (str[0] == '.' && str[1] == 'L') + return true; + return str[0] == '$' && + (str[1] == 'a' || str[1] == 'd' || str[1] == 't' || str[1] == 'x') + && (str[2] == '\0' || str[2] == '.'); +} + +#endif /* _LINUX_MODULE_SYMBOL_H */ diff --git a/kernel/module/kallsyms.c b/kernel/module/kallsyms.c index a9045fe55bcd..5de3207f18af 100644 --- a/kernel/module/kallsyms.c +++ b/kernel/module/kallsyms.c @@ -6,6 +6,7 @@ */ #include <linux/module.h> +#include <linux/module_symbol.h> #include <linux/kallsyms.h> #include <linux/buildid.h> #include <linux/bsearch.h> @@ -243,19 +244,6 @@ void init_build_id(struct module *mod, const struct load_info *info) } #endif -/* - * This ignores the intensely annoying "mapping symbols" found - * in ARM ELF files: $a, $t and $d. - */ -static inline int is_arm_mapping_symbol(const char *str) -{ - if (str[0] == '.' && str[1] == 'L') - return true; - return str[0] == '$' && - (str[1] == 'a' || str[1] == 'd' || str[1] == 't' || str[1] == 'x') - && (str[2] == '\0' || str[2] == '.'); -} - static const char *kallsyms_symbol_name(struct mod_kallsyms *kallsyms, unsigned int symnum) { return kallsyms->strtab + kallsyms->symtab[symnum].st_name; diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 79a27cc5f0b1..7241db81ffde 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -22,6 +22,7 @@ #include <errno.h> #include "modpost.h" #include "../../include/linux/license.h" +#include "../../include/linux/module_symbol.h" /* Are we using CONFIG_MODVERSIONS? */ static bool modversions; @@ -1112,15 +1113,6 @@ static int secref_whitelist(const struct sectioncheck *mismatch, return 1; } -static inline int is_arm_mapping_symbol(const char *str) -{ - if (str[0] == '.' && str[1] == 'L') - return true; - return str[0] == '$' && - (str[1] == 'a' || str[1] == 'd' || str[1] == 't' || str[1] == 'x') - && (str[2] == '\0' || str[2] == '.'); -} - /* * If there's no name there, ignore it; likewise, ignore it if it's * one of the magic symbols emitted used by current ARM tools. |