From patchwork Wed May 29 06:41:40 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jon Doron X-Patchwork-Id: 1106827 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="ozt1N/AS"; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 45DLs03Yh9z9sB8 for ; Wed, 29 May 2019 16:48:36 +1000 (AEST) Received: from localhost ([127.0.0.1]:48294 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hVsO2-0005xe-El for incoming@patchwork.ozlabs.org; Wed, 29 May 2019 02:48:34 -0400 Received: from eggs.gnu.org ([209.51.188.92]:45208) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hVsHu-00015D-Ka for qemu-devel@nongnu.org; Wed, 29 May 2019 02:42:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hVsHt-0001qd-GW for qemu-devel@nongnu.org; Wed, 29 May 2019 02:42:14 -0400 Received: from mail-wm1-x344.google.com ([2a00:1450:4864:20::344]:40169) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hVsHt-0001h3-9b for qemu-devel@nongnu.org; Wed, 29 May 2019 02:42:13 -0400 Received: by mail-wm1-x344.google.com with SMTP id 15so680867wmg.5 for ; Tue, 28 May 2019 23:42:13 -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=fmBgz+KC4/5bEya28Z0ZS6wch0W9g6YQKvTnKrR7Gq0=; b=ozt1N/ASHQlONUmPN1vjIH4Rk4z0A3QWI55MvOpOzFYoSFUBkgsAOZJRxhqMrm4BRM miosJMHcnrLnd6XlMdPeWpbZ8Rjr+xMAok2owOTdthjmj93plPWpRsWsFjFLequPnSRi bIGYpwaas/hYs+LbSH7uR7dryX7F2wN84SRzQv1vD55fVTTRP/eBOQligk647Sgl94Un qc73SnllnY9lLxm7Gsh/ImpZ4kvYqUx7psw82XfHKTjZmV18yTacfV3nXczWlKUYeAol Ekqz6PNJTQcQU18QIsL3vro/6gePqwVOIJ00cEULvq+3Hfx/aqmImiKWk5wzKnir88BQ J05A== 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=fmBgz+KC4/5bEya28Z0ZS6wch0W9g6YQKvTnKrR7Gq0=; b=UzIls8XFG5jFJifuBpeRAT4joNFixQqUThWi7FfdvxFRQ6FtzyLKq5IXJCIAHr0jjB fKzmxUH46UJM+gOVKVQVKJDvPHbfKI9OGpb0siLE9vXtB5nbLMrqZpbYNEf+wEfNwdpw zGY/BMCScBnTJumKGSlbNCIpt5UIFnhWPy6XP6w1+HVfrPj386WK2bmtMVPBQOh2gLkQ 6aGMG+2fN9tQcEjlJFUM3cL7J43JSRGWVO5c0TBO8yC3SuGkTrZ6mJmDhirDGB1JP8bk Za7wVbqQ4llBQMHvUDjpAEo+Pkvaqhq/Y0hZ8QHlNvdZvTGBFKVfQmZ4hfraR82SDYT0 QoSg== X-Gm-Message-State: APjAAAXTh/T7rlXmeffxPlmJoZWeyY5bocEbE8cPfzbO18UZf5549noO vdfp9Efm5T55TNiz8F3iWk5Hn154 X-Google-Smtp-Source: APXvYqxHHLKIMEIcVJ9XxYtnAgv7UrEs0QFWWK836Rz3od+KhQVxsB3Lflcd1hbBq7QwDLqOAUootQ== X-Received: by 2002:a7b:c939:: with SMTP id h25mr5769956wml.7.1559112132287; Tue, 28 May 2019 23:42:12 -0700 (PDT) Received: from linux.local ([31.154.166.148]) by smtp.gmail.com with ESMTPSA id f2sm6831168wme.12.2019.05.28.23.42.11 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 28 May 2019 23:42:11 -0700 (PDT) From: Jon Doron To: qemu-devel@nongnu.org Date: Wed, 29 May 2019 09:41:40 +0300 Message-Id: <20190529064148.19856-13-arilou@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190529064148.19856-1-arilou@gmail.com> References: <20190529064148.19856-1-arilou@gmail.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::344 Subject: [Qemu-devel] [PATCH v12 12/20] gdbstub: Implement write all registers (G 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Jon Doron Reviewed-by: Alex Bennée --- gdbstub.c | 41 +++++++++++++++++++++++++++++++---------- 1 file changed, 31 insertions(+), 10 deletions(-) diff --git a/gdbstub.c b/gdbstub.c index 3d8c2f8f42..a487e549d1 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -1751,6 +1751,29 @@ static void handle_read_mem(GdbCmdContext *gdb_ctx, void *user_ctx) put_packet(gdb_ctx->s, gdb_ctx->str_buf); } +static void handle_write_all_regs(GdbCmdContext *gdb_ctx, void *user_ctx) +{ + target_ulong addr, len; + uint8_t *registers; + int reg_size; + + if (!gdb_ctx->num_params) { + return; + } + + cpu_synchronize_state(gdb_ctx->s->g_cpu); + registers = gdb_ctx->mem_buf; + len = strlen(gdb_ctx->params[0].data) / 2; + hextomem(registers, gdb_ctx->params[0].data, len); + for (addr = 0; addr < gdb_ctx->s->g_cpu->gdb_num_g_regs && len > 0; + addr++) { + reg_size = gdb_write_register(gdb_ctx->s->g_cpu, registers, addr); + len -= reg_size; + registers += reg_size; + } + put_packet(gdb_ctx->s, "OK"); +} + static int gdb_handle_packet(GDBState *s, const char *line_buf) { CPUState *cpu; @@ -1762,7 +1785,6 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf) uint8_t mem_buf[MAX_PACKET_LENGTH]; char buf[sizeof(mem_buf) + 1 /* trailing NUL */]; char thread_id[16]; - uint8_t *registers; target_ulong addr, len; const GdbCmdParseEntry *cmd_parser = NULL; @@ -1928,16 +1950,15 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf) put_packet(s, buf); break; case 'G': - cpu_synchronize_state(s->g_cpu); - registers = mem_buf; - len = strlen(p) / 2; - hextomem((uint8_t *)registers, p, len); - for (addr = 0; addr < s->g_cpu->gdb_num_g_regs && len > 0; addr++) { - reg_size = gdb_write_register(s->g_cpu, registers, addr); - len -= reg_size; - registers += reg_size; + { + static const GdbCmdParseEntry write_all_regs_cmd_desc = { + .handler = handle_write_all_regs, + .cmd = "G", + .cmd_startswith = 1, + .schema = "s0" + }; + cmd_parser = &write_all_regs_cmd_desc; } - put_packet(s, "OK"); break; case 'm': {