diff options
| author | Alexey Gladkov <legion@kernel.org> | 2025-09-18 10:05:50 +0200 |
|---|---|---|
| committer | Nathan Chancellor <nathan@kernel.org> | 2025-09-24 09:10:45 -0700 |
| commit | 83fb49389bbe07defb85b063f7ff0fd016f06b35 (patch) | |
| tree | b800fdcaeff669d0b70263d9b5870d54b7ac9472 /scripts/mod/file2alias.c | |
| parent | b88f88c26705ad436ff9675258f76082dd43996a (diff) | |
modpost: Add modname to mod_device_table alias
At this point, if a symbol is compiled as part of the kernel,
information about which module the symbol belongs to is lost.
To save this it is possible to add the module name to the alias name.
It's not very pretty, but it's possible for now.
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Andreas Hindborg <a.hindborg@kernel.org>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Alex Gaynor <alex.gaynor@gmail.com>
Cc: rust-for-linux@vger.kernel.org
Signed-off-by: Alexey Gladkov <legion@kernel.org>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Nicolas Schier <nsc@kernel.org>
Link: https://patch.msgid.link/1a0d0bd87a4981d465b9ed21e14f4e78eaa03ded.1758182101.git.legion@kernel.org
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Diffstat (limited to 'scripts/mod/file2alias.c')
| -rw-r--r-- | scripts/mod/file2alias.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 00586119a25b..1260bc2287fb 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -1476,7 +1476,7 @@ void handle_moddevtable(struct module *mod, struct elf_info *info, { void *symval; char *zeros = NULL; - const char *type, *name; + const char *type, *name, *modname; size_t typelen; static const char *prefix = "__mod_device_table__"; @@ -1488,10 +1488,19 @@ void handle_moddevtable(struct module *mod, struct elf_info *info, if (ELF_ST_TYPE(sym->st_info) != STT_OBJECT) return; - /* All our symbols are of form __mod_device_table__<type>__<name>. */ + /* All our symbols are of form __mod_device_table__kmod_<modname>__<type>__<name>. */ if (!strstarts(symname, prefix)) return; - type = symname + strlen(prefix); + + modname = strstr(symname, "__kmod_"); + if (!modname) + return; + modname += strlen("__kmod_"); + + type = strstr(modname, "__"); + if (!type) + return; + type += strlen("__"); name = strstr(type, "__"); if (!name) |