diff options
| author | Alexey Dobriyan <adobriyan@gmail.com> | 2016-09-15 10:28:23 +1000 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2016-09-15 10:28:23 +1000 |
| commit | 1f4106776e07016af71969a7ed82181a2fcba90b (patch) | |
| tree | fcdee2b6b8cb6c80c71b9136dd2ff1f5f36a3e93 /Kbuild | |
| parent | 22e9cf146d3b6beccec42b0c8c32b1fcc04732f0 (diff) | |
kbuild: simpler generation of assembly constants
gcc doesn't really look inside "asm" statements and more or less
directly emits it into assembly. So pretend "#define" is CPU
instruction.
C++ comment can't be used because sparc assembler doesn't understand it.
Link: http://lkml.kernel.org/r/20160713173646.GA1910@p183.telecom.by
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Michal Marek <mmarek@suse.cz>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'Kbuild')
| -rw-r--r-- | Kbuild | 12 |
1 files changed, 1 insertions, 11 deletions
@@ -7,14 +7,6 @@ # 4) Check for missing system calls # 5) Generate constants.py (may need bounds.h) -# Default sed regexp - multiline due to syntax constraints -define sed-y - "/^->/{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 @@ -26,9 +18,7 @@ define filechk_offsets echo " *"; \ echo " * This file was generated by Kbuild"; \ echo " */"; \ - echo ""; \ - sed -ne $(sed-y); \ - echo ""; \ + sed -ne '/#define/{s/\$$//;s/#//2;s/$$/*\//;p;}'; \ echo "#endif" ) endef |