Commit 6947fd96 authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

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: default avatarMasahiro Yamada <masahiroy@kernel.org>
Reviewed-by: default avatarNick Desaulniers <ndesauniers@google.com>
Reviewed-by: default avatarSedat Dilek <sedat.dilek@gmail.com>
parent 3510c5cf

Makefile

+1 −38
Original line number Diff line number Diff line
@@ -847,44 +847,6 @@ ifdef CONFIG_ZERO_CALL_USED_REGS 
KBUILD_CFLAGS	+= -fzero-call-used-regs=used-gpr

endif



DEBUG_CFLAGS	:=



ifdef CONFIG_DEBUG_INFO



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



endif # CONFIG_DEBUG_INFO



KBUILD_CFLAGS += $(DEBUG_CFLAGS)

export DEBUG_CFLAGS



ifdef CONFIG_FUNCTION_TRACER

ifdef CONFIG_FTRACE_MCOUNT_USE_CC

  CC_FLAGS_FTRACE	+= -mrecord-mcount
@@ -1033,6 +995,7 @@ KBUILD_CPPFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) 


# include additional Makefiles when needed

include-y			:= scripts/Makefile.extrawarn

include-$(CONFIG_DEBUG_INFO)	+= scripts/Makefile.debug

include-$(CONFIG_KASAN)		+= scripts/Makefile.kasan

include-$(CONFIG_KCSAN)		+= scripts/Makefile.kcsan

include-$(CONFIG_UBSAN)		+= scripts/Makefile.ubsan

scripts/Makefile.debug

0 → 100644
+33 −0
Original line number Diff line number Diff line 
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