git.itanic.dy.fi Git - linux-stable/blob - scripts/Makefile.debug

   1 DEBUG_CFLAGS    :=
   2 debug-flags-y   := -g
   3
   4 ifdef CONFIG_DEBUG_INFO_SPLIT
   5 DEBUG_CFLAGS    += -gsplit-dwarf
   6 endif
   7
   8 debug-flags-$(CONFIG_DEBUG_INFO_DWARF4) += -gdwarf-4
   9 debug-flags-$(CONFIG_DEBUG_INFO_DWARF5) += -gdwarf-5
  10 ifeq ($(CONFIG_CC_IS_CLANG)$(CONFIG_AS_IS_GNU),yy)
  11 # Clang does not pass -g or -gdwarf-* option down to GAS.
  12 # Add -Wa, prefix to explicitly specify the flags.
  13 KBUILD_AFLAGS   += $(addprefix -Wa$(comma), $(debug-flags-y))
  14 endif
  15 DEBUG_CFLAGS    += $(debug-flags-y)
  16 KBUILD_AFLAGS   += $(debug-flags-y)
  17
  18 ifdef CONFIG_DEBUG_INFO_REDUCED
  19 DEBUG_CFLAGS    += -fno-var-tracking
  20 ifdef CONFIG_CC_IS_GCC
  21 DEBUG_CFLAGS    += -femit-struct-debug-baseonly
  22 endif
  23 endif
  24
  25 ifdef CONFIG_DEBUG_INFO_COMPRESSED
  26 DEBUG_CFLAGS    += -gz=zlib
  27 KBUILD_AFLAGS   += -gz=zlib
  28 KBUILD_LDFLAGS  += --compress-debug-sections=zlib
  29 endif
  30
  31 KBUILD_CFLAGS   += $(DEBUG_CFLAGS)
  32 export DEBUG_CFLAGS