From nobody Sat Feb 7 08:53:48 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1556785634; cv=none; d=zoho.com; s=zohoarc; b=ERIMsuNVXYKZrHtcXxOtcSArkrxAxUVdMdU2BD8IRe5qFsTYNObBBZ095wxEDomTFj6jKfHF8O5bDxcA8DcQ/NJS4JXurH9xNYjYYJA0psLuYEprFa/YBL2njCIRVeLoylw0ADOPJC1EAR752/cYrgdSt1qDVKIupKucZgCvT6k= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1556785634; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=C5wVxSSu9B3yjrVL1kbdSqghY5biwyr5/S2ykkoUubY=; b=ZbaHancHWLQTyemB9496g3pgLZsRyD/ct7kDiED3PDiPr6fqa5bNXAh556oDCAVRC98rtA81j4c1RnaE0OPgNsmRpmIvarpI9j8arx/TmO87q23WMMRc9xRO7mDTrHtdW6aSZqRni1jEchae9mQZM6lPQH/dJU+N5XWCtc+FrzM= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1556785634567276.9175641805773; Thu, 2 May 2019 01:27:14 -0700 (PDT) Received: from localhost ([127.0.0.1]:47334 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hM73W-0004Ps-6K for importer@patchew.org; Thu, 02 May 2019 04:27:02 -0400 Received: from eggs.gnu.org ([209.51.188.92]:42641) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hM6ta-0003Re-Bs for qemu-devel@nongnu.org; Thu, 02 May 2019 04:16:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hM6tY-0007pD-Aw for qemu-devel@nongnu.org; Thu, 02 May 2019 04:16:46 -0400 Received: from mail-wr1-x444.google.com ([2a00:1450:4864:20::444]:38448) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hM6tU-0007SR-Nw for qemu-devel@nongnu.org; Thu, 02 May 2019 04:16:42 -0400 Received: by mail-wr1-x444.google.com with SMTP id k16so2002400wrn.5 for ; Thu, 02 May 2019 01:16:24 -0700 (PDT) Received: from localhost.localdomain ([176.230.64.186]) by smtp.gmail.com with ESMTPSA id d16sm44698367wra.54.2019.05.02.01.16.21 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 02 May 2019 01:16:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=C5wVxSSu9B3yjrVL1kbdSqghY5biwyr5/S2ykkoUubY=; b=P973YXxRkkAoD8ifvQ4auErj5Mf/eBggo1kuDyvPdSN4veKbOzGVjnH7PHerd+TyQh FI4faExZq2rZK/q9pJo71I7EEey4RH9ZoF+3ctmlwKC1kmv9/ozGdZ2P04D3P94FxRKw wJ7D3sN5tBG7USjzkrWTYk+QLXyy+DQcwlQMADcwBiZRY+0uK9kf+ZMndkS7htul423V lTzCTyzQXUG4RPPlH58AAiNJbV/+lPk8h4hOGrM2S+4ElCdpI8OZVGISraQBaY2zOG1z dMGLSn2It+DLA5NGMbSMJXVWLGV3kI20XlZ31n8B1U32kKOCab9/d+tcTHTdDE/rTW9Q iAnQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=C5wVxSSu9B3yjrVL1kbdSqghY5biwyr5/S2ykkoUubY=; b=uIidda+1uWx0wyD240mOAltJz/NBdmigh0IHtHZfGSrYA84QhPQNETdHSLfxUrXLRY h0xA2IW4gUhxJNOv84UPMd8r1rkuw/PVryVhFHrqCbZN0EEV0hiZvxM196DhZSdcEA7E kNGCWuccJL3IUDtVAPab1xKRCkA8h3ySyxCwy65u1NcWqSbaMwDJoFMBi25ASZ3uDLyS gxWzgSmpdVMzdOHGKjWBo4i1zXyQubC3rzuYO7B2ZHtaSHlGv4tEnQx+kQb2dONjfqIw 2zMjH9qHVaPVwnpXOYb1H/jnox8kYfwducNjjkgbedsN2DZ4gMs+CtAMx7x3BTThH2RC lerg== X-Gm-Message-State: APjAAAV/RJXMJrrwaVLUqn836VB15bm9PHHO3BHCYUivUncOhiW1V9vA +shjtPlkX6iB6GWd5f2sA1PwpLV3 X-Google-Smtp-Source: APXvYqy+YNCNJabIbOwxjy7rwjUU3L89FuOqLVyO6ASkWAHtnYT8+BNbFVdlUhiMM5Ch/3n5RZmnuQ== X-Received: by 2002:a05:6000:10:: with SMTP id h16mr1355746wrx.151.1556784983117; Thu, 02 May 2019 01:16:23 -0700 (PDT) From: Jon Doron To: qemu-devel@nongnu.org Date: Thu, 2 May 2019 11:15:37 +0300 Message-Id: <20190502081554.5521-11-arilou@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190502081554.5521-1-arilou@gmail.com> References: <20190502081554.5521-1-arilou@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::444 Subject: [Qemu-devel] [PATCH v9 10/27] gdbstub: Implement get register (p pkt) with new infra X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alex.bennee@linaro.org, Jon Doron Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Signed-off-by: Jon Doron --- gdbstub.c | 50 ++++++++++++++++++++++++++++++++++++++------------ 1 file changed, 38 insertions(+), 12 deletions(-) diff --git a/gdbstub.c b/gdbstub.c index 10e3f12a68..e9a3d0c2bc 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -1655,6 +1655,36 @@ static void handle_set_reg(GdbCmdContext *gdb_ctx, v= oid *user_ctx) put_packet(gdb_ctx->s, "OK"); } =20 +static void handle_get_reg(GdbCmdContext *gdb_ctx, void *user_ctx) +{ + int reg_size; + + /* + * Older gdb are really dumb, and don't use 'g' if 'p' is avaialable. + * This works, but can be very slow. Anything new enough to + * understand XML also knows how to use this properly. + */ + if (!gdb_has_xml) { + put_packet(gdb_ctx->s, ""); + return; + } + + if (!gdb_ctx->num_params) { + put_packet(gdb_ctx->s, "E14"); + return; + } + + reg_size =3D gdb_read_register(gdb_ctx->s->g_cpu, gdb_ctx->mem_buf, + gdb_ctx->params[0].val_ull); + if (!reg_size) { + put_packet(gdb_ctx->s, "E14"); + return; + } + + memtohex(gdb_ctx->str_buf, gdb_ctx->mem_buf, reg_size); + put_packet(gdb_ctx->s, gdb_ctx->str_buf); +} + static int gdb_handle_packet(GDBState *s, const char *line_buf) { CPUState *cpu; @@ -1884,18 +1914,14 @@ static int gdb_handle_packet(GDBState *s, const cha= r *line_buf) } break; case 'p': - /* Older gdb are really dumb, and don't use 'g' if 'p' is avaialab= le. - This works, but can be very slow. Anything new enough to - understand XML also knows how to use this properly. */ - if (!gdb_has_xml) - goto unknown_command; - addr =3D strtoull(p, (char **)&p, 16); - reg_size =3D gdb_read_register(s->g_cpu, mem_buf, addr); - if (reg_size) { - memtohex(buf, mem_buf, reg_size); - put_packet(s, buf); - } else { - put_packet(s, "E14"); + { + static const GdbCmdParseEntry get_reg_cmd_desc =3D { + .handler =3D handle_get_reg, + .cmd =3D "p", + .cmd_startswith =3D 1, + .schema =3D "L0" + }; + cmd_parser =3D &get_reg_cmd_desc; } break; case 'P': --=20 2.20.1