From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:42630) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hM6ta-0003RX-A8 for qemu-devel@nongnu.org; Thu, 02 May 2019 04:16:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hM6tY-0007pQ-Aw for qemu-devel@nongnu.org; Thu, 02 May 2019 04:16:46 -0400 Received: from mail-wr1-x443.google.com ([2a00:1450:4864:20::443]:39540) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hM6tU-0007L5-Mo for qemu-devel@nongnu.org; Thu, 02 May 2019 04:16:42 -0400 Received: by mail-wr1-x443.google.com with SMTP id a9so1997324wrp.6 for ; Thu, 02 May 2019 01:16:19 -0700 (PDT) From: Jon Doron Date: Thu, 2 May 2019 11:15:33 +0300 Message-Id: <20190502081554.5521-7-arilou@gmail.com> In-Reply-To: <20190502081554.5521-1-arilou@gmail.com> References: <20190502081554.5521-1-arilou@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v9 06/27] gdbstub: Implement set_thread (H pkt) with new infra List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: alex.bennee@linaro.org, Jon Doron Signed-off-by: Jon Doron --- gdbstub.c | 79 ++++++++++++++++++++++++++++++++++--------------------- 1 file changed, 49 insertions(+), 30 deletions(-) diff --git a/gdbstub.c b/gdbstub.c index 469aaeb875..21cdaf4678 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -1547,6 +1547,47 @@ static void handle_cont_with_sig(GdbCmdContext *gdb_ctx, void *user_ctx) gdb_continue(gdb_ctx->s); } +static void handle_set_thread(GdbCmdContext *gdb_ctx, void *user_ctx) +{ + CPUState *cpu; + + if (gdb_ctx->num_params < 2) { + put_packet(gdb_ctx->s, "E22"); + return; + } + + if (gdb_ctx->params[1].thread_id.kind == GDB_READ_THREAD_ERR) { + put_packet(gdb_ctx->s, "E22"); + return; + } + + if (gdb_ctx->params[1].thread_id.kind != GDB_ONE_THREAD) { + put_packet(gdb_ctx->s, "OK"); + return; + } + + cpu = gdb_get_cpu(gdb_ctx->s, gdb_ctx->params[1].thread_id.pid, + gdb_ctx->params[1].thread_id.tid); + if (!cpu) { + put_packet(gdb_ctx->s, "E22"); + return; + } + + switch (gdb_ctx->params[0].opcode) { + case 'c': + gdb_ctx->s->c_cpu = cpu; + put_packet(gdb_ctx->s, "OK"); + break; + case 'g': + gdb_ctx->s->g_cpu = cpu; + put_packet(gdb_ctx->s, "OK"); + break; + default: + put_packet(gdb_ctx->s, "E22"); + break; + } +} + static int gdb_handle_packet(GDBState *s, const char *line_buf) { CPUState *cpu; @@ -1560,7 +1601,6 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf) char thread_id[16]; uint8_t *registers; target_ulong addr, len; - GDBThreadIdKind thread_kind; const GdbCmdParseEntry *cmd_parser = NULL; trace_gdbstub_io_command(line_buf); @@ -1823,35 +1863,14 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf) put_packet(s, "E22"); break; case 'H': - type = *p++; - - thread_kind = read_thread_id(p, &p, &pid, &tid); - if (thread_kind == GDB_READ_THREAD_ERR) { - put_packet(s, "E22"); - break; - } - - if (thread_kind != GDB_ONE_THREAD) { - put_packet(s, "OK"); - break; - } - cpu = gdb_get_cpu(s, pid, tid); - if (cpu == NULL) { - put_packet(s, "E22"); - break; - } - switch (type) { - case 'c': - s->c_cpu = cpu; - put_packet(s, "OK"); - break; - case 'g': - s->g_cpu = cpu; - put_packet(s, "OK"); - break; - default: - put_packet(s, "E22"); - break; + { + static const GdbCmdParseEntry set_thread_cmd_desc = { + .handler = handle_set_thread, + .cmd = "H", + .cmd_startswith = 1, + .schema = "o.t0" + }; + cmd_parser = &set_thread_cmd_desc; } break; case 'T': -- 2.20.1