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- 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
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