From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id H07nOQB05mkFIS0AWB0awg (envelope-from ) for ; Mon, 20 Apr 2026 14:44:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=simark.ca; s=mail; t=1776710656; bh=NBJTlud3ZLr2MlxFYDT80QIGU7Pw1mxDOxgPRXxRyzw=; h=Date:Subject:To:Cc:References:From:In-Reply-To:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=HSi/YUr0OopW3si8w3NcsBe8vs8r238acFb8m77gE41Il9vhCqd+Gk2uAsFbaRrNH EVyfrYMU+ILoBMi7gGeZd3D7oHnt/ezNguJxshVdox/r3JTCjfLGIhww/G7AcaM0xD YNS2A5QLJfD+/sGDJgn3MpRiUolq7kV6NYwGiMUc= Received: by simark.ca (Postfix, from userid 112) id D38D81E093; Mon, 20 Apr 2026 14:44:16 -0400 (EDT) X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-25) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-2.4 required=5.0 tests=ARC_SIGNED,ARC_VALID,BAYES_00, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,RCVD_IN_VALIDITY_CERTIFIED_BLOCKED, RCVD_IN_VALIDITY_RPBL_BLOCKED,RCVD_IN_VALIDITY_SAFE_BLOCKED autolearn=ham autolearn_force=no version=4.0.1 Authentication-Results: simark.ca; dkim=pass (1024-bit key; unprotected) header.d=simark.ca header.i=@simark.ca header.a=rsa-sha256 header.s=mail header.b=tiuuabSq; dkim-atps=neutral Received: from vm01.sourceware.org (vm01.sourceware.org [38.145.34.32]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id 3997B1E093 for ; Mon, 20 Apr 2026 14:44:16 -0400 (EDT) Received: from vm01.sourceware.org (localhost [127.0.0.1]) by sourceware.org (Postfix) with ESMTP id A04D94BA23DA for ; Mon, 20 Apr 2026 18:44:15 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A04D94BA23DA Authentication-Results: sourceware.org; dkim=pass (1024-bit key, unprotected) header.d=simark.ca header.i=@simark.ca header.a=rsa-sha256 header.s=mail header.b=tiuuabSq Received: from simark.ca (simark.ca [158.69.221.121]) by sourceware.org (Postfix) with ESMTPS id 26E0E4BA2E1E; Mon, 20 Apr 2026 18:42:36 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 26E0E4BA2E1E Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=simark.ca Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=simark.ca ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 26E0E4BA2E1E Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=158.69.221.121 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1776710556; cv=none; b=hmPeTGBYRePhQ0LNKeqOU0KmvGpSCVblZUsaBjDmg2sZEuAGajAS4I6f66H1CvxTU4mCWX72UN6XXTsMnDWjZ7Zx6NG1TOYAYBuIrkhbS+euE968nmNjOiT/JAXcGoMy/Oi1Vbb2FcxMXZqqth6BuHu061+BLMuydmIvsIjqOhQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1776710556; c=relaxed/simple; bh=NBJTlud3ZLr2MlxFYDT80QIGU7Pw1mxDOxgPRXxRyzw=; h=DKIM-Signature:Message-ID:Date:MIME-Version:Subject:To:From; b=HDyy+koATmMAK96n3AE7NVGXmY8idhTc6bLPSszd1ZiV1mKQzNPaZoJ4Ba2DSNQM99MWBAw2tdozx1GPRhuoCZgij7oU8+jgEMjo1JSoAn6R6WMfm1DLdX1Q8RyCCU6CxWd/ykifwkFhu2KCoy+qZDv5QafF/ATuTHXXhyT51+A= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 26E0E4BA2E1E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=simark.ca; s=mail; t=1776710555; bh=NBJTlud3ZLr2MlxFYDT80QIGU7Pw1mxDOxgPRXxRyzw=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=tiuuabSqnjnv0FPhRPUnBw6Kbh5VBOSp18R8vcMXdyByYGjj7r4hx5HfODYgykm5D puZtg5YyyMUdRz6wgH7iroAkfLecgZBQ2taD7IyXLPZRavcISem4gYBA7qZqmqiQEG QmvOCg9kI9EAZyV1vpkg7ttHXEgtnTJTSma6rcQs= Received: by simark.ca (Postfix) id D11D51E093; Mon, 20 Apr 2026 14:42:33 -0400 (EDT) Message-ID: Date: Mon, 20 Apr 2026 14:42:33 -0400 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] gdb/sparc: implement PRSTATUS elf32-sparc handler To: Michal Lach , gdb-patches@sourceware.org, Binutils Cc: jakub.klimek@phoenix-rtos.com, daniel.sawka@phoenix-rtos.com References: <20260420114608.597157-1-michal.lach@phoenix-rtos.com> Content-Language: fr From: Simon Marchi In-Reply-To: <20260420114608.597157-1-michal.lach@phoenix-rtos.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org Adding binutils@sourceware.org, since this targets code in "bfd". Can someone from binutils review this? Thanks, Simon On 4/20/26 7:46 AM, Michal Lach wrote: > From: Jakub Klimek > > Some SPARC ELF32 coredumps emit a PRSTATUS note which is left unparsed > without a handler in GDB, leading to incorrectly viewed coredumps. > --- > bfd/elf32-sparc.c | 29 +++++++++++++++++++++++++++++ > 1 file changed, 29 insertions(+) > > diff --git a/bfd/elf32-sparc.c b/bfd/elf32-sparc.c > index a5f5d058196..837b2e16fff 100644 > --- a/bfd/elf32-sparc.c > +++ b/bfd/elf32-sparc.c > @@ -31,6 +31,34 @@ > > /* Support for core dump NOTE sections. */ > > +static bool > +elf32_sparc_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) > +{ > + int offset; > + size_t size; > + > + switch (note->descsz) > + { > + default: > + return false; > + case 228: > + /* pr_cursig */ > + elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12); > + > + /* pr_pid */ > + elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24); > + > + /* pr_reg */ > + offset = 72; > + size = 152; > + > + break; > + } > + > + /* Make a ".reg/999" section. */ > + return _bfd_elfcore_make_pseudosection (abfd, ".reg", size, note->descpos + offset); > +} > + > static bool > elf32_sparc_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) > { > @@ -230,6 +258,7 @@ elf32_sparc_reloc_type_class (const struct bfd_link_info *info, > elf32_sparc_merge_private_bfd_data > #define elf_backend_final_write_processing \ > elf32_sparc_final_write_processing > +#define elf_backend_grok_prstatus elf32_sparc_grok_prstatus > #define elf_backend_grok_psinfo elf32_sparc_grok_psinfo > #define elf_backend_reloc_type_class elf32_sparc_reloc_type_class > > -- > 2.53.0 >