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* [PATCH] kbuild: rust: use `-Zdwarf-version` to support DWARFv5
@ 2024-02-17  0:26 Miguel Ojeda
  2024-03-29 19:48 ` Miguel Ojeda
  2024-04-02  9:55 ` Alice Ryhl
  0 siblings, 2 replies; 3+ messages in thread
From: Miguel Ojeda @ 2024-02-17  0:26 UTC (permalink / raw)
  To: Miguel Ojeda, Wedson Almeida Filho, Alex Gaynor
  Cc: Boqun Feng, Gary Guo, Björn Roy Baron, Benno Lossin,
	Andreas Hindborg, Alice Ryhl, Masahiro Yamada, linux-kbuild,
	rust-for-linux, linux-kernel, patches

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
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
---
 scripts/Makefile.debug | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/Makefile.debug b/scripts/Makefile.debug
index 059ff38fe0cb..693452bc826a 100644
--- a/scripts/Makefile.debug
+++ b/scripts/Makefile.debug
@@ -17,6 +17,12 @@ 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

base-commit: 841c35169323cd833294798e58b9bf63fa4fa1de
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] kbuild: rust: use `-Zdwarf-version` to support DWARFv5
  2024-02-17  0:26 [PATCH] kbuild: rust: use `-Zdwarf-version` to support DWARFv5 Miguel Ojeda
@ 2024-03-29 19:48 ` Miguel Ojeda
  2024-04-02  9:55 ` Alice Ryhl
  1 sibling, 0 replies; 3+ messages in thread
From: Miguel Ojeda @ 2024-03-29 19:48 UTC (permalink / raw)
  To: Miguel Ojeda
  Cc: Wedson Almeida Filho, Alex Gaynor, Boqun Feng, Gary Guo,
	Björn Roy Baron, Benno Lossin, Andreas Hindborg, Alice Ryhl,
	Masahiro Yamada, linux-kbuild, rust-for-linux, linux-kernel,
	patches

On Sat, Feb 17, 2024 at 1:26 AM Miguel Ojeda <ojeda@kernel.org> wrote:
>
> 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
> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

Applied to `rust-next` -- please feel free to still send reviews or
tested-bys for this one!

Cheers,
Miguel

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] kbuild: rust: use `-Zdwarf-version` to support DWARFv5
  2024-02-17  0:26 [PATCH] kbuild: rust: use `-Zdwarf-version` to support DWARFv5 Miguel Ojeda
  2024-03-29 19:48 ` Miguel Ojeda
@ 2024-04-02  9:55 ` Alice Ryhl
  1 sibling, 0 replies; 3+ messages in thread
From: Alice Ryhl @ 2024-04-02  9:55 UTC (permalink / raw)
  To: Miguel Ojeda
  Cc: Wedson Almeida Filho, Alex Gaynor, Boqun Feng, Gary Guo,
	Björn Roy Baron, Benno Lossin, Andreas Hindborg,
	Masahiro Yamada, linux-kbuild, rust-for-linux, linux-kernel,
	patches

On Sat, Feb 17, 2024 at 1:26 AM Miguel Ojeda <ojeda@kernel.org> wrote:
>
> 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
> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

Reviewed-by: Alice Ryhl <aliceryhl@google.com>

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2024-04-02  9:55 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2024-02-17  0:26 [PATCH] kbuild: rust: use `-Zdwarf-version` to support DWARFv5 Miguel Ojeda
2024-03-29 19:48 ` Miguel Ojeda
2024-04-02  9:55 ` Alice Ryhl

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