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From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Vishal Chourasia <vishalc@linux.ibm.com>,
	christophe.leroy@csgroup.eu, maddy@linux.ibm.com,
	linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	clang-built-linux@googlegroups.com,
	"llvm@lists.linux.dev" <llvm@lists.linux.dev>,
	Nathan Chancellor <nathan@kernel.org>
Subject: Re: [PATCH] arch/powerpc: Remove .interp section in vmlinux
Date: Mon, 13 Oct 2025 08:46:48 +0200	[thread overview]
Message-ID: <2b4a3215-1620-40c9-a00c-ca833ebbb7b6@csgroup.eu> (raw)
In-Reply-To: <20251013040148.560439-1-vishalc@linux.ibm.com>

+CLANG ppl

Hi,

Le 13/10/2025 à 06:01, Vishal Chourasia a écrit :
> While debugging a ppc64le QEMU guest on an x86_64 host, I observed GDB crashes
> when attempting to attach to the remote target:
> 
> (gdb) target remote :1234
> 
> Investigation revealed that cross-compiling the Linux kernel for ppc64le on an
> x86_64 host using Clang produces a vmlinux binary containing an empty .interp
> section. This empty .interp section is responsible for the GDB crashes.

Which version of CLANG is it ?

> 
> This issue does not occur when:
> - Building for ppc64le target using GCC on x86_64 host
> - Building for ppc64le target using Clang on ppc64le host

Is it the same CLANG version ?

> - Building for ppc64le target using GCC on ppc64le host
> 
> For details refer [1]
> 
> [1] https://sourceware.org/bugzilla/show_bug.cgi?id=33481

Christophe


  reply	other threads:[~2025-10-13  7:20 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-01 10:49 [PATCH] arch/powerpc: Remove .interp section in vmlinux Christophe Leroy
2025-07-01 13:32 ` Segher Boessenkool
2025-10-13  4:01 ` Vishal Chourasia
2025-10-13  6:46   ` Christophe Leroy [this message]
2025-10-13  7:27     ` Vishal Chourasia
2025-10-15  0:21       ` Nathan Chancellor
2025-10-15  3:37         ` Vishal Chourasia
2025-10-15 18:27           ` Nathan Chancellor
2025-10-16  6:06             ` Vishal Chourasia

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