linux-stable/include/linux/module_symbol.h
Palmer Dabbelt ff09f6fd29 modpost, kallsyms: Treat add '$'-prefixed symbols as mapping symbols
Trying to restrict the '$'-prefix change to RISC-V caused some fallout,
so let's just treat all those symbols as special.

Fixes: c05780ef3c ("module: Ignore RISC-V mapping symbols too")
Link: https://lore.kernel.org/all/20230712015747.77263-1-wangkefeng.wang@huawei.com/
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
2023-07-24 12:09:47 -07:00

15 lines
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C

/* 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_mapping_symbol(const char *str)
{
if (str[0] == '.' && str[1] == 'L')
return true;
if (str[0] == 'L' && str[1] == '0')
return true;
return str[0] == '$';
}
#endif /* _LINUX_MODULE_SYMBOL_H */