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| author | Masahiro Yamada <masahiroy@kernel.org> | 2024-09-13 19:37:54 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2024-09-14 05:03:29 +0200 |
| commit | 5277d130947ba8c0d54c16eed89eb97f0b6d2e5a (patch) | |
| tree | 3fbae5a1e61f31f22b05fcbad48cf8520928e477 /lib | |
| parent | btf: move pahole check in scripts/link-vmlinux.sh to lib/Kconfig.debug (diff) | |
| download | linux-5277d130947ba8c0d54c16eed89eb97f0b6d2e5a.tar.xz linux-5277d130947ba8c0d54c16eed89eb97f0b6d2e5a.zip | |
btf: require pahole 1.21+ for DEBUG_INFO_BTF with default DWARF version
As described in commit 42d9b379e3e1 ("lib/Kconfig.debug: Allow BTF +
DWARF5 with pahole 1.21+"), the combination of CONFIG_DEBUG_INFO_BTF
and CONFIG_DEBUG_INFO_DWARF5 requires pahole 1.21+.
GCC 11+ and Clang 14+ default to DWARF 5 when the -g flag is passed.
For the same reason, the combination of CONFIG_DEBUG_INFO_BTF and
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT is also likely to require
pahole 1.21+ these days. (At least, it is uncertain whether the actual
requirement is pahole 1.16+ or 1.21+.)
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Alan Maguire <alan.maguire@oracle.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20240913173759.1316390-3-masahiroy@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index f627147d6c25..478d9ac7ead4 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -380,7 +380,7 @@ config DEBUG_INFO_BTF depends on !GCC_PLUGIN_RANDSTRUCT || COMPILE_TEST depends on BPF_SYSCALL depends on PAHOLE_VERSION >= 116 - depends on !DEBUG_INFO_DWARF5 || PAHOLE_VERSION >= 121 + depends on DEBUG_INFO_DWARF4 || PAHOLE_VERSION >= 121 # pahole uses elfutils, which does not have support for Hexagon relocations depends on !HEXAGON help |