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| author | Thomas Weißschuh <linux@weissschuh.net> | 2026-04-08 23:03:57 +0200 |
|---|---|---|
| committer | Thomas Weißschuh <linux@weissschuh.net> | 2026-04-09 23:25:40 +0200 |
| commit | 3495279d05d62b07d7594c75d4380f51d04410dd (patch) | |
| tree | 39721755931a8d4c1c74020b1372d4dcacebdd58 /tools/include/nolibc | |
| parent | 08ab9580726edcc12019d2097b56b88de1142ca7 (diff) | |
| download | lwn-3495279d05d62b07d7594c75d4380f51d04410dd.tar.gz lwn-3495279d05d62b07d7594c75d4380f51d04410dd.zip | |
tools/nolibc: support UBSAN on gcc
The UBSAN implementation in gcc requires a slightly different function
attribute to skip instrumentation.
Extend __nolibc_no_sanitize_undefined to also handle gcc.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://patch.msgid.link/20260408-nolibc-gcc-15-v1-2-330d0c40f894@weissschuh.net
Diffstat (limited to 'tools/include/nolibc')
| -rw-r--r-- | tools/include/nolibc/compiler.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/include/nolibc/compiler.h b/tools/include/nolibc/compiler.h index b1239344d894..b56570bf9f69 100644 --- a/tools/include/nolibc/compiler.h +++ b/tools/include/nolibc/compiler.h @@ -81,7 +81,11 @@ #define _NOLIBC_OPTIMIZER_HIDE_VAR(var) __asm__ ("" : "+r" (var)) #if __nolibc_has_feature(undefined_behavior_sanitizer) -# define __nolibc_no_sanitize_undefined __attribute__((no_sanitize("function"))) +# if defined(__clang__) +# define __nolibc_no_sanitize_undefined __attribute__((no_sanitize("function"))) +# else +# define __nolibc_no_sanitize_undefined __attribute__((no_sanitize_undefined)) +# endif #else # define __nolibc_no_sanitize_undefined #endif |