DEBUG_CFLAGS :=

DEBUG_RUSTFLAGS :=

debug-flags-y := -g

ifdef CONFIG_DEBUG_INFO_SPLIT

DEBUG_CFLAGS += -gsplit-dwarf

endif

debug-flags-$(CONFIG_DEBUG_INFO_DWARF4) += -gdwarf-4

debug-flags-$(CONFIG_DEBUG_INFO_DWARF5) += -gdwarf-5

ifeq ($(CONFIG_CC_IS_CLANG)$(CONFIG_AS_IS_GNU),yy)

# Clang does not pass -g or -gdwarf-* option down to GAS.

# Add -Wa, prefix to explicitly specify the flags.

KBUILD_AFLAGS += $(addprefix -Wa$(comma), $(debug-flags-y))

endif

DEBUG_CFLAGS += $(debug-flags-y)

KBUILD_AFLAGS += $(debug-flags-y)

ifdef CONFIG_DEBUG_INFO_DWARF4

DEBUG_RUSTFLAGS += -Zdwarf-version=4

else ifdef CONFIG_DEBUG_INFO_DWARF5

DEBUG_RUSTFLAGS += -Zdwarf-version=5

endif

ifdef CONFIG_DEBUG_INFO_REDUCED

DEBUG_CFLAGS += -fno-var-tracking

DEBUG_RUSTFLAGS += -Cdebuginfo=1

ifdef CONFIG_CC_IS_GCC

DEBUG_CFLAGS += -femit-struct-debug-baseonly

endif

else

DEBUG_RUSTFLAGS += -Cdebuginfo=2

endif

ifdef CONFIG_DEBUG_INFO_COMPRESSED_ZLIB

DEBUG_CFLAGS += -gz=zlib

DEBUG_RUSTFLAGS += -Zdebuginfo-compression=zlib

KBUILD_AFLAGS += -gz=zlib

KBUILD_LDFLAGS += --compress-debug-sections=zlib

else ifdef CONFIG_DEBUG_INFO_COMPRESSED_ZSTD

DEBUG_CFLAGS += -gz=zstd

DEBUG_RUSTFLAGS += -Zdebuginfo-compression=zstd

KBUILD_AFLAGS += -gz=zstd

KBUILD_LDFLAGS += --compress-debug-sections=zstd

endif

KBUILD_CFLAGS += $(DEBUG_CFLAGS)

export DEBUG_CFLAGS

KBUILD_RUSTFLAGS += $(DEBUG_RUSTFLAGS)

export DEBUG_RUSTFLAGS