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| author |   Jeroen Hofstee <jeroen@myspectrum.nl> | 2017-04-21 15:21:11 +0900 |
|---|---|---|
| committer |   Masahiro Yamada <yamada.masahiro@socionext.com> | 2017-04-23 15:51:26 +0900 |
| commit | cf0c3e68aa81f992b0301f62e341b710d385bf68 (patch) | |
| tree | 7645f9967cf133854eefd270ee84264cc3d614da /scripts/Makefile.lib | |
| parent | kbuild: consolidate redundant sed script ASM offset generation (diff) | |
| download | linux-dev-cf0c3e68aa81f992b0301f62e341b710d385bf68.tar.xz linux-dev-cf0c3e68aa81f992b0301f62e341b710d385bf68.zip | |
kbuild: fix asm-offset generation to work with clang
KBuild abuses the asm statement to write to a file and
clang chokes about these invalid asm statements. Hack it
even more by fooling this is actual valid asm code.
[masahiro:
Import Jeroen's work for U-Boot:
http://patchwork.ozlabs.org/patch/375026/
Tweak sed script a little to avoid garbage '#' for GCC case, like
#define NR_PAGEFLAGS 23 /* __NR_PAGEFLAGS # */ ]
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Tested-by: Matthias Kaehlcke <mka@chromium.org>
Diffstat (limited to 'scripts/Makefile.lib')
| -rw-r--r-- | scripts/Makefile.lib | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 8109c133887d..2209ed696fb4 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -413,10 +413,14 @@ cmd_xzmisc = (cat $(filter-out FORCE,$^) | \ # --------------------------------------------------------------------------- # Default sed regexp - multiline due to syntax constraints +# +# Use [:space:] because LLVM's integrated assembler inserts <tab> around +# the .ascii directive whereas GCC keeps the <space> as-is. define sed-offsets - "/^->/{s:->#\(.*\):/* \1 */:; \ + 's:^[[:space:]]*\.ascii[[:space:]]*"\(.*\)".*:\1:; \ + /^->/{s:->#\(.*\):/* \1 */:; \ s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \ - s:->::; p;}" + s:->::; p;}' endef # Use filechk to avoid rebuilds when a header changes, but the resulting file |