From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D7B34CA5FE6 for ; Sun, 4 Oct 2026 11:44:57 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1xDKcn-00041d-Ed; Sun, 04 Oct 2026 07:43:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1xDKck-00040C-M9 for qemu-devel@nongnu.org; Sun, 04 Oct 2026 07:43:22 -0400 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1xDKcj-00023I-70 for qemu-devel@nongnu.org; Sun, 04 Oct 2026 07:43:22 -0400 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id B460544501; Sun, 4 Oct 2026 11:43:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0A6DB1F000FF; Sun, 4 Oct 2026 11:43:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791114198; bh=nOMaH/oyEOX/ovUtmVmmwZ3m8s1Ip7BIfc3mQ3YLV98=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=WDl85bi0OlJXyQm1w3gn20irEtn+14GgEKZvgYXHv+iYGf0zMTdTdiQWAlATKHL8b 5mGHnbX9U9OIRTnYRb69UYDCbpAi9qK3cwMuSAmRm5XKLSd74ZiGJzLLKIxXzl6baW SICN3LXiXIMlojyOoaGZ7Y09oHs7Il9niTPYM33IiQxrqOBScZ9ppxhBIspOlLBNyt mfMPN1T0GwTmsETuQ9iKv6vc0VbGOMZRRM3hnYBcKoeRl09l7Yx7VBVsYNAdiFH778 c+daDmh/0JJc5T8SfNWX6LRBvvs0sXRnnVSPmqIBYnAxvh77nOILr0r0bUTvsaYVnH Z/pz7wGNjb59w== From: Helge Deller To: qemu-devel@nongnu.org Cc: Laurent Vivier , Aleksandar Rikalo , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Helge Deller , Jiaxun Yang , Aurelien Jarno , Pierrick Bouvier Subject: [PULL 2/5] linux-user/mips64: set EF_MIPS_ABI2 in mipsn32 core dumps Date: Sun, 4 Oct 2026 13:43:07 +0200 Message-ID: <20261004114311.3874-3-deller@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20261004114311.3874-1-deller@kernel.org> References: <20261004114311.3874-1-deller@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2600:3c0a:e001:78e:0:1991:8:25; envelope-from=deller@kernel.org; helo=sea.source.kernel.org X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.24, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Matt Turner mipsn32 core files had e_flags 0, so gdb took them for o32, found no general-purpose registers and failed with an internal error in frame_unwind_find_by_frame. Linux sets e_flags to EF_MIPS_ABI2 for n32 cores (user_mipsn32_view in arch/mips/kernel/ptrace.c). Signed-off-by: Helge Deller --- linux-user/mips64/target_elf.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/linux-user/mips64/target_elf.h b/linux-user/mips64/target_elf.h index efb5d97563..fd9fb89269 100644 --- a/linux-user/mips64/target_elf.h +++ b/linux-user/mips64/target_elf.h @@ -16,6 +16,8 @@ #ifdef TARGET_ABI_MIPSN32 #define elf_check_abi(x) ((x) & EF_MIPS_ABI2) +/* See linux kernel: arch/mips/kernel/ptrace.c, user_mipsn32_view. */ +#define elf_core_eflags(info) EF_MIPS_ABI2 #else #define elf_check_abi(x) (!((x) & EF_MIPS_ABI2)) #endif -- 2.54.0