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b8b2096ab8
Rust 1.64.0 introduced (unstable) support for the `-Zdwarf-version` flag, which allows to select DWARFv5, thus use it. Link: https://github.com/rust-lang/rust/issues/103057 Link: https://github.com/rust-lang/rust/pull/98350 Reviewed-by: Alice Ryhl <aliceryhl@google.com> Link: https://lore.kernel.org/r/20240217002602.57270-1-ojeda@kernel.org Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
51 lines
1.3 KiB
Makefile
51 lines
1.3 KiB
Makefile
DEBUG_CFLAGS :=
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DEBUG_RUSTFLAGS :=
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debug-flags-y := -g
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ifdef CONFIG_DEBUG_INFO_SPLIT
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DEBUG_CFLAGS += -gsplit-dwarf
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endif
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debug-flags-$(CONFIG_DEBUG_INFO_DWARF4) += -gdwarf-4
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debug-flags-$(CONFIG_DEBUG_INFO_DWARF5) += -gdwarf-5
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ifeq ($(CONFIG_CC_IS_CLANG)$(CONFIG_AS_IS_GNU),yy)
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# Clang does not pass -g or -gdwarf-* option down to GAS.
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# Add -Wa, prefix to explicitly specify the flags.
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KBUILD_AFLAGS += $(addprefix -Wa$(comma), $(debug-flags-y))
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endif
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DEBUG_CFLAGS += $(debug-flags-y)
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KBUILD_AFLAGS += $(debug-flags-y)
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ifdef CONFIG_DEBUG_INFO_DWARF4
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DEBUG_RUSTFLAGS += -Zdwarf-version=4
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else ifdef CONFIG_DEBUG_INFO_DWARF5
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DEBUG_RUSTFLAGS += -Zdwarf-version=5
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endif
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ifdef CONFIG_DEBUG_INFO_REDUCED
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DEBUG_CFLAGS += -fno-var-tracking
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DEBUG_RUSTFLAGS += -Cdebuginfo=1
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ifdef CONFIG_CC_IS_GCC
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DEBUG_CFLAGS += -femit-struct-debug-baseonly
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endif
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else
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DEBUG_RUSTFLAGS += -Cdebuginfo=2
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endif
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ifdef CONFIG_DEBUG_INFO_COMPRESSED_ZLIB
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DEBUG_CFLAGS += -gz=zlib
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KBUILD_AFLAGS += -gz=zlib
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KBUILD_LDFLAGS += --compress-debug-sections=zlib
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else ifdef CONFIG_DEBUG_INFO_COMPRESSED_ZSTD
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DEBUG_CFLAGS += -gz=zstd
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KBUILD_AFLAGS += -gz=zstd
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KBUILD_LDFLAGS += --compress-debug-sections=zstd
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endif
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KBUILD_CFLAGS += $(DEBUG_CFLAGS)
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export DEBUG_CFLAGS
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KBUILD_RUSTFLAGS += $(DEBUG_RUSTFLAGS)
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export DEBUG_RUSTFLAGS
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