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| author | Masahiro Yamada <masahiroy@kernel.org> | 2021-10-12 05:25:03 +0200 |
|---|---|---|
| committer | Masahiro Yamada <masahiroy@kernel.org> | 2021-10-24 06:48:33 +0200 |
| commit | 6947fd96ae9bbe8c8c473a2199fd3edfd8b9f8c8 (patch) | |
| tree | 879c210b87488bcaa4fbfed786c7f78f90af0782 /scripts/Makefile.debug | |
| parent | gen_init_cpio: add static const qualifiers (diff) | |
| download | linux-6947fd96ae9bbe8c8c473a2199fd3edfd8b9f8c8.tar.xz linux-6947fd96ae9bbe8c8c473a2199fd3edfd8b9f8c8.zip | |
kbuild: split DEBUG_CFLAGS out to scripts/Makefile.debug
To slim down the top Makefile, split out the code block surrounded by
ifdef CONFIG_DEBUG_INFO ... endif.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nick Desaulniers <ndesauniers@google.com>
Reviewed-by: Sedat Dilek <sedat.dilek@gmail.com>
Diffstat (limited to 'scripts/Makefile.debug')
| -rw-r--r-- | scripts/Makefile.debug | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/scripts/Makefile.debug b/scripts/Makefile.debug new file mode 100644 index 000000000000..9f39b0130551 --- /dev/null +++ b/scripts/Makefile.debug @@ -0,0 +1,33 @@ +DEBUG_CFLAGS := + +ifdef CONFIG_DEBUG_INFO_SPLIT +DEBUG_CFLAGS += -gsplit-dwarf +else +DEBUG_CFLAGS += -g +endif + +ifndef CONFIG_AS_IS_LLVM +KBUILD_AFLAGS += -Wa,-gdwarf-2 +endif + +ifndef CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT +dwarf-version-$(CONFIG_DEBUG_INFO_DWARF4) := 4 +dwarf-version-$(CONFIG_DEBUG_INFO_DWARF5) := 5 +DEBUG_CFLAGS += -gdwarf-$(dwarf-version-y) +endif + +ifdef CONFIG_DEBUG_INFO_REDUCED +DEBUG_CFLAGS += -fno-var-tracking +ifdef CONFIG_CC_IS_GCC +DEBUG_CFLAGS += -femit-struct-debug-baseonly +endif +endif + +ifdef CONFIG_DEBUG_INFO_COMPRESSED +DEBUG_CFLAGS += -gz=zlib +KBUILD_AFLAGS += -gz=zlib +KBUILD_LDFLAGS += --compress-debug-sections=zlib +endif + +KBUILD_CFLAGS += $(DEBUG_CFLAGS) +export DEBUG_CFLAGS |