KBuild (ab)uses the asm statement to write to a file and llvm integrated as chokes about these invalid asm statements. Workaround it by making it look like valid asm code.
Signed-off-by: Jeroen Hofstee jeroen@myspectrum.nl --- Kbuild | 3 ++- include/linux/kbuild.h | 6 +++--- 2 files changed, 5 insertions(+), 4 deletions(-)
Does someone have a better solution? Is this valid for all archs?
diff --git a/Kbuild b/Kbuild index 6e1698c..ef97787 100644 --- a/Kbuild +++ b/Kbuild @@ -53,7 +53,8 @@ targets += arch/$(ARCH)/lib/asm-offsets.s
# Default sed regexp - multiline due to syntax constraints define sed-y - "/^->/{s:->#(.*):/* \1 */:; \ + "s:[[:space:]]*.ascii[[:space:]]*"(.*)":\1:; \ + /^->/{s:->#(.*):/* \1 */:; \ s:^->([^ ]*) [$$#]*([-0-9]*) (.*):#define \1 \2 /* \3 */:; \ s:^->([^ ]*) [$$#]*([^ ]*) (.*):#define \1 \2 /* \3 */:; \ s:->::; p;}" diff --git a/include/linux/kbuild.h b/include/linux/kbuild.h index ab7805a..8a9f645 100644 --- a/include/linux/kbuild.h +++ b/include/linux/kbuild.h @@ -7,14 +7,14 @@ #define __LINUX_KBUILD_H
#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) + asm volatile("\n.ascii "->" #sym " %0 " #val """ : : "i" (val))
-#define BLANK() asm volatile("\n->" : : ) +#define BLANK() asm volatile("\n.ascii "->"" : : )
#define OFFSET(sym, str, mem) \ DEFINE(sym, offsetof(struct str, mem))
#define COMMENT(x) \ - asm volatile("\n->#" x) + asm volatile("\n.ascii "->#" x """)
#endif