From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id qcoTKrgppGhy2gYAWB0awg (envelope-from ) for ; Tue, 19 Aug 2025 03:37:28 -0400 Authentication-Results: simark.ca; dkim=pass (1024-bit key; unprotected) header.d=xry111.site header.i=@xry111.site header.a=rsa-sha256 header.s=default header.b=lN71YPSD; dkim-atps=neutral Received: by simark.ca (Postfix, from userid 112) id 9963B1E048; Tue, 19 Aug 2025 03:37:28 -0400 (EDT) X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-25) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=ARC_SIGNED,ARC_VALID,BAYES_00, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI, RCVD_IN_DNSWL_LOW,RCVD_IN_VALIDITY_CERTIFIED_BLOCKED, RCVD_IN_VALIDITY_RPBL_BLOCKED,RCVD_IN_VALIDITY_SAFE_BLOCKED autolearn=no autolearn_force=no version=4.0.1 Received: from server2.sourceware.org (server2.sourceware.org [8.43.85.97]) (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 972671E048 for ; Tue, 19 Aug 2025 03:37:22 -0400 (EDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 2ED0D385AC3D for ; Tue, 19 Aug 2025 07:37:22 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 2ED0D385AC3D Authentication-Results: sourceware.org; dkim=pass (1024-bit key, unprotected) header.d=xry111.site header.i=@xry111.site header.a=rsa-sha256 header.s=default header.b=lN71YPSD Received: from xry111.site (xry111.site [89.208.246.23]) by sourceware.org (Postfix) with ESMTPS id 377C9385AC3D for ; Tue, 19 Aug 2025 07:36:54 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 377C9385AC3D Authentication-Results: sourceware.org; dmarc=pass (p=reject dis=none) header.from=xry111.site Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=xry111.site ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 377C9385AC3D Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=89.208.246.23 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1755589014; cv=none; b=HnLwkvxRvnKEByNgaf7N53JcqK3WXMOzx4bsT/uQzAe6j6TMIdtUuZ9QLUv/kQSQcRgNeVrZoEe+pFnlfCZ4j07Tlguu6i2aUoa1QwsyZWmj5x/FxIV8I9HpucUEzlTOYZ1zs60+SitI9+FAOvrpNz/EBQ9lctyVr4VMy8GIIsU= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1755589014; c=relaxed/simple; bh=UndRZMWftCWaXGnhkfaHDxjsoLyHxe/MvShdJ2mMA+M=; h=DKIM-Signature:From:To:Subject:Date:Message-ID:MIME-Version; b=DNRfuehHmXvqA46+aRJYgcB4iifIqGTda64yCEtBI/1uqSr8Hs1ZKyhTehUNflGCO7AkkKU6C3bFu8gEWxtqwbiEbTQZcK2a5p7zwqE3Fsico1bW6C2Qo1psYXodTzgt4d/H+CpzrdyIDGtkn7e90Ck1sMYmQjzE75g27yXODrU= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 377C9385AC3D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xry111.site; s=default; t=1755589012; bh=xA6+xi1R/XlbCkNmCaOU3Pa8WUetVCd1rMmodabNHak=; h=From:To:Cc:Subject:Date:From; b=lN71YPSDnxhe7inLkCgIQFjUJRr3Cv8SevQK7ksSn3Fp75iifJSEFsKHIgpsq22cR +NgMXnUwaElyEOEty/W3GIPfu29dUYEGY0y5ilt1ZO3vzgdfHUgYq0gEZscq9VTMvq +J7HQNlIBKAqphvTPyYSZEBkfU5QUgQXqIGq4R2k= Received: from stargazer (unknown [IPv6:2409:874d:200:3037::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (Client did not present a certificate) (Authenticated sender: xry111@xry111.site) by xry111.site (Postfix) with ESMTPSA id B66D9669A0; Tue, 19 Aug 2025 03:36:49 -0400 (EDT) From: Xi Ruoyao To: gdb-patches@sourceware.org Cc: Tiezhu Yang , Hui Li , Lulu Cheng , Mingcong Bai , Xuerui Wang , Xi Ruoyao Subject: [PATCH] gdb: LoongArch: Recognize LoongArch v1.10 store conditional instructions Date: Tue, 19 Aug 2025 15:33:44 +0800 Message-ID: <20250819073626.46815-1-xry111@xry111.site> X-Mailer: git-send-email 2.50.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 We can't put a breakpoint in the middle of a ll/sc atomic sequence, recognize the sc.q, screl.w, and screl.d instructions added in LoongArch v1.10 so a ll/sc atomic sequence using them won't loop forever being debugged. Signed-off-by: Xi Ruoyao --- gdb/loongarch-tdep.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/gdb/loongarch-tdep.c b/gdb/loongarch-tdep.c index cc75cd4a3d3..7556b81a9fa 100644 --- a/gdb/loongarch-tdep.c +++ b/gdb/loongarch-tdep.c @@ -98,7 +98,9 @@ static bool loongarch_insn_is_ll (insn_t insn) { if ((insn & 0xff000000) == 0x20000000 /* ll.w */ - || (insn & 0xff000000) == 0x22000000) /* ll.d */ + || (insn & 0xff000000) == 0x22000000 /* ll.d */ + || (insn & 0xfffffc00) == 0x38578000 /* llacq.w */ + || (insn & 0xfffffc00) == 0x38578800) /* llacq.d */ return true; return false; } @@ -109,7 +111,10 @@ static bool loongarch_insn_is_sc (insn_t insn) { if ((insn & 0xff000000) == 0x21000000 /* sc.w */ - || (insn & 0xff000000) == 0x23000000) /* sc.d */ + || (insn & 0xff000000) == 0x23000000 /* sc.d */ + || (insn & 0xffff8000) == 0x38570000 /* sc.q */ + || (insn & 0xfffffc00) == 0x38578400 /* screl.w */ + || (insn & 0xfffffc00) == 0x38578c00) /* screl.d */ return true; return false; } -- 2.50.1