diff options
| author | Masahiro Yamada <masahiroy@kernel.org> | 2024-07-27 16:42:02 +0900 |
|---|---|---|
| committer | Masahiro Yamada <masahiroy@kernel.org> | 2024-09-01 20:33:32 +0900 |
| commit | a660deb0f1f62214439640292cd7726f6ed8023d (patch) | |
| tree | bc1fe9ba8a9be42934c5a65860c249150bab4855 /scripts/mod/modpost.h | |
| parent | 4f32f799a950c7fffa17971177be42c79d74b69f (diff) | |
modpost: detect endianness on run-time
Endianness is currently detected on compile-time, but we can defer this
until run-time. This change avoids re-executing scripts/mod/mk_elfconfig
even if modpost in the linux-headers package needs to be rebuilt for a
foreign architecture.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
Diffstat (limited to 'scripts/mod/modpost.h')
| -rw-r--r-- | scripts/mod/modpost.h | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h index 58197b34a3c8..54ba9431713f 100644 --- a/scripts/mod/modpost.h +++ b/scripts/mod/modpost.h @@ -62,15 +62,8 @@ x); \ }) -#if KERNEL_ELFDATA != HOST_ELFDATA - -#define TO_NATIVE(x) (bswap(x)) - -#else /* endianness matches */ - -#define TO_NATIVE(x) (x) - -#endif +#define TO_NATIVE(x) \ + (target_is_big_endian == host_is_big_endian ? x : bswap(x)) #define NOFAIL(ptr) do_nofail((ptr), #ptr) @@ -187,6 +180,8 @@ void add_moddevtable(struct buffer *buf, struct module *mod); void get_src_version(const char *modname, char sum[], unsigned sumlen); /* from modpost.c */ +extern bool target_is_big_endian; +extern bool host_is_big_endian; char *read_text_file(const char *filename); char *get_line(char **stringp); void *sym_get_data(const struct elf_info *info, const Elf_Sym *sym); |