From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:60601) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hJePo-0008Rw-VL for qemu-devel@nongnu.org; Thu, 25 Apr 2019 09:27:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hJePn-0001Ek-QX for qemu-devel@nongnu.org; Thu, 25 Apr 2019 09:27:52 -0400 Received: from mail-wm1-x342.google.com ([2a00:1450:4864:20::342]:54428) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hJePn-0001B3-KH for qemu-devel@nongnu.org; Thu, 25 Apr 2019 09:27:51 -0400 Received: by mail-wm1-x342.google.com with SMTP id c1so9273123wml.4 for ; Thu, 25 Apr 2019 06:27:51 -0700 (PDT) From: Jon Doron Date: Thu, 25 Apr 2019 16:26:27 +0300 Message-Id: <20190425132636.31636-13-arilou@gmail.com> In-Reply-To: <20190425132636.31636-1-arilou@gmail.com> References: <20190425132636.31636-1-arilou@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v6 12/21] gdbstub: Implement read memory (m pkt) with new infra List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Jon Doron Signed-off-by: Jon Doron --- gdbstub.c | 48 ++++++++++++++++++++++++++++++++---------------- 1 file changed, 32 insertions(+), 16 deletions(-) diff --git a/gdbstub.c b/gdbstub.c index 4522c93fa2..5b60c1369c 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -1711,6 +1711,30 @@ static void handle_write_mem(GdbCmdContext *gdb_ctx, void *user_ctx) put_packet(gdb_ctx->s, "OK"); } +static void handle_read_mem(GdbCmdContext *gdb_ctx, void *user_ctx) +{ + if (gdb_ctx->num_params < 2) { + put_packet(gdb_ctx->s, "E22"); + return; + } + + /* memtohex() doubles the required space */ + if (gdb_ctx->params[1].val_ull > MAX_PACKET_LENGTH / 2) { + put_packet(gdb_ctx->s, "E22"); + return; + } + + if (target_memory_rw_debug(gdb_ctx->s->g_cpu, gdb_ctx->params[0].val_ull, + gdb_ctx->mem_buf, + gdb_ctx->params[1].val_ull, false)) { + put_packet(gdb_ctx->s, "E14"); + return; + } + + memtohex(gdb_ctx->str_buf, gdb_ctx->mem_buf, gdb_ctx->params[1].val_ull); + put_packet(gdb_ctx->s, gdb_ctx->str_buf); +} + static int gdb_handle_packet(GDBState *s, const char *line_buf) { CPUState *cpu; @@ -1900,22 +1924,14 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf) put_packet(s, "OK"); break; case 'm': - addr = strtoull(p, (char **)&p, 16); - if (*p == ',') - p++; - len = strtoull(p, NULL, 16); - - /* memtohex() doubles the required space */ - if (len > MAX_PACKET_LENGTH / 2) { - put_packet (s, "E22"); - break; - } - - if (target_memory_rw_debug(s->g_cpu, addr, mem_buf, len, false) != 0) { - put_packet (s, "E14"); - } else { - memtohex(buf, mem_buf, len); - put_packet(s, buf); + { + static const GdbCmdParseEntry read_mem_cmd_desc = { + .handler = handle_read_mem, + .cmd = "m", + .cmd_startswith = 1, + .schema = "L,L0" + }; + cmd_parser = &read_mem_cmd_desc; } break; case 'M': -- 2.20.1