diff options
| author | VinÃcius Tinti <viniciustinti@gmail.com> | 2017-04-24 13:04:58 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-27 16:07:58 +0100 |
| commit | f0ea0fe278c5b87d637be0cae0680b61c183e7bd (patch) | |
| tree | 8bd3116e7c3deb4a6ec5e7a56a70aa4482e84547 /scripts | |
| parent | c8250381e987589874ef68223446a5cbebac1076 (diff) | |
kbuild: Add support to generate LLVM assembly files
commit 433db3e260bc8134d4a46ddf20b3668937e12556 upstream.
Add rules to kbuild in order to generate LLVM assembly files with the .ll
extension when using clang.
# from c code
make CC=clang kernel/pid.ll
Signed-off-by: VinÃcius Tinti <viniciustinti@gmail.com>
Signed-off-by: Behan Webster <behanw@converseincode.com>
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
[nc: Fix conflicts due to lack of commit 6b90bd4ba40b3 in linux-4.4.y]
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/Makefile.build | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 18209917e379..42aef001dfdd 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -175,6 +175,14 @@ cmd_cc_symtypes_c = \ $(obj)/%.symtypes : $(src)/%.c FORCE $(call cmd,cc_symtypes_c) +# LLVM assembly +# Generate .ll files from .c +quiet_cmd_cc_ll_c = CC $(quiet_modtag) $@ + cmd_cc_ll_c = $(CC) $(c_flags) -emit-llvm -S -o $@ $< + +$(obj)/%.ll: $(src)/%.c FORCE + $(call if_changed_dep,cc_ll_c) + # C (.c) files # The C file is compiled and updated dependency information is generated. # (See cmd_cc_o_c + relevant part of rule_cc_o_c) |