| Message ID | 20250416-nolibc-ubsan-v1-1-c4704bb23da7@weissschuh.net (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | tools/nolibc: fix some undefined behaviour and enable UBSAN | expand |
diff --git a/tools/include/nolibc/compiler.h b/tools/include/nolibc/compiler.h index fa1f547e7f13d151ea98b9c585b36659d2d27324..e6d6dc116e43aa69b37eca02ed1590fc09486bdb 100644 --- a/tools/include/nolibc/compiler.h +++ b/tools/include/nolibc/compiler.h @@ -12,6 +12,12 @@ # define __nolibc_has_attribute(attr) 0 #endif +#if defined(__has_feature) +# define __nolibc_has_feature(feature) __has_feature(feature) +#else +# define __nolibc_has_feature(feature) 0 +#endif + #if __nolibc_has_attribute(naked) # define __nolibc_entrypoint __attribute__((naked)) # define __nolibc_entrypoint_epilogue()
Certain compiler features are signaled via the __has_feature() preprocessor builtin. Add a nolibc wrapper for it, similar to __nolibc_has_attribute(). Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> --- tools/include/nolibc/compiler.h | 6 ++++++ 1 file changed, 6 insertions(+)