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| author | Namhyung Kim <namhyung@kernel.org> | 2025-02-05 14:57:18 -0800 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2025-02-05 14:57:18 -0800 |
| commit | 9e676a024fa1fa2bd8150c2d2ba85478280353bc (patch) | |
| tree | 5cf0e1d4ab27002fcafdc7dc5bdfdd9ff3f3c9f1 /include/linux/export.h | |
| parent | 357b965deba9fb71467413e473764ec4e1694d8d (diff) | |
| parent | 2014c95afecee3e76ca4a56956a936e23283f05b (diff) | |
Merge tag 'v6.14-rc1' into perf-tools-next
To get the various fixes in the current master.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'include/linux/export.h')
| -rw-r--r-- | include/linux/export.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/export.h b/include/linux/export.h index 2633df4d31e6..a8c23d945634 100644 --- a/include/linux/export.h +++ b/include/linux/export.h @@ -52,9 +52,24 @@ #else +#ifdef CONFIG_GENDWARFKSYMS +/* + * With CONFIG_GENDWARFKSYMS, ensure the compiler emits debugging + * information for all exported symbols, including those defined in + * different TUs, by adding a __gendwarfksyms_ptr_<symbol> pointer + * that's discarded during the final link. + */ +#define __GENDWARFKSYMS_EXPORT(sym) \ + static typeof(sym) *__gendwarfksyms_ptr_##sym __used \ + __section(".discard.gendwarfksyms") = &sym; +#else +#define __GENDWARFKSYMS_EXPORT(sym) +#endif + #define __EXPORT_SYMBOL(sym, license, ns) \ extern typeof(sym) sym; \ __ADDRESSABLE(sym) \ + __GENDWARFKSYMS_EXPORT(sym) \ asm(__stringify(___EXPORT_SYMBOL(sym, license, ns))) #endif |