diff options
| author | Matthias Kaehlcke <mka@chromium.org> | 2017-04-12 12:43:52 -0700 |
|---|---|---|
| committer | Amit Pundir <amit.pundir@linaro.org> | 2017-11-20 21:15:59 +0530 |
| commit | 0493e5f9058895f851d5b710c1c91970d4ac2bfb (patch) | |
| tree | 76270279457684df3336f2a0c1970b8132d36d96 /scripts/Makefile.lib | |
| parent | 60354b787c098cb0b80887df71ae821ecd928a82 (diff) | |
UPSTREAM: kbuild: Consolidate header generation from ASM offset information
Largely redundant code is used in different places to generate C headers
from offset information extracted from assembly language output.
Consolidate the code in Makefile.lib and use this instead.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
(cherry picked from commit ebf003f0cfb3705e60d40dedc3ec949176c741af)
Signed-off-by: Greg Hackmann <ghackmann@google.com>
Change-Id: I0acd54dd27c0cf0868f221bd63728a9b67320b25
Diffstat (limited to 'scripts/Makefile.lib')
| -rw-r--r-- | scripts/Makefile.lib | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index c84080885ad4..a6a330671eba 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -394,3 +394,31 @@ quiet_cmd_xzmisc = XZMISC $@ cmd_xzmisc = (cat $(filter-out FORCE,$^) | \ xz --check=crc32 --lzma2=dict=1MiB) > $@ || \ (rm -f $@ ; false) + +# ASM offsets +# --------------------------------------------------------------------------- + +# Default sed regexp - multiline due to syntax constraints +define sed-offsets + "/^->/{s:->#\(.*\):/* \1 */:; \ + s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \ + s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \ + s:->::; p;}" +endef + +# Use filechk to avoid rebuilds when a header changes, but the resulting file +# does not +define filechk_offsets + (set -e; \ + echo "#ifndef $2"; \ + echo "#define $2"; \ + echo "/*"; \ + echo " * DO NOT MODIFY."; \ + echo " *"; \ + echo " * This file was generated by Kbuild"; \ + echo " */"; \ + echo ""; \ + sed -ne $(sed-offsets); \ + echo ""; \ + echo "#endif" ) +endef |