From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:42700) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hM6te-0003V1-BB for qemu-devel@nongnu.org; Thu, 02 May 2019 04:16:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hM6ta-0007yj-B5 for qemu-devel@nongnu.org; Thu, 02 May 2019 04:16:48 -0400 Received: from mail-wm1-x341.google.com ([2a00:1450:4864:20::341]:53881) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hM6tY-0007gt-BO for qemu-devel@nongnu.org; Thu, 02 May 2019 04:16:46 -0400 Received: by mail-wm1-x341.google.com with SMTP id q15so1477341wmf.3 for ; Thu, 02 May 2019 01:16:39 -0700 (PDT) From: Jon Doron Date: Thu, 2 May 2019 11:15:47 +0300 Message-Id: <20190502081554.5521-21-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 20/27] gdbstub: Implement target halted (? 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 | 36 ++++++++++++++++++++++++++---------- 1 file changed, 26 insertions(+), 10 deletions(-) diff --git a/gdbstub.c b/gdbstub.c index 2fd0d66f4d..d678191705 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -2239,13 +2239,30 @@ static void handle_gen_set(GdbCmdContext *gdb_ctx, void *user_ctx) put_packet(gdb_ctx->s, ""); } +static void handle_target_halt(GdbCmdContext *gdb_ctx, void *user_ctx) +{ + char thread_id[16]; + + /* TODO: Make this return the correct value for user-mode. */ + gdb_fmt_thread_id(gdb_ctx->s, gdb_ctx->s->c_cpu, thread_id, + sizeof(thread_id)); + snprintf(gdb_ctx->str_buf, sizeof(gdb_ctx->str_buf), "T%02xthread:%s;", + GDB_SIGNAL_TRAP, thread_id); + put_packet(gdb_ctx->s, gdb_ctx->str_buf); + /* + * Remove all the breakpoints when this query is issued, + * because gdb is doing and initial connect and the state + * should be cleaned up. + */ + gdb_breakpoint_remove_all(); +} + static int gdb_handle_packet(GDBState *s, const char *line_buf) { const char *p; int ch; uint8_t mem_buf[MAX_PACKET_LENGTH]; char buf[sizeof(mem_buf) + 1 /* trailing NUL */]; - char thread_id[16]; const GdbCmdParseEntry *cmd_parser = NULL; trace_gdbstub_io_command(line_buf); @@ -2257,15 +2274,14 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf) put_packet(s, "OK"); break; case '?': - /* TODO: Make this return the correct value for user-mode. */ - snprintf(buf, sizeof(buf), "T%02xthread:%s;", GDB_SIGNAL_TRAP, - gdb_fmt_thread_id(s, s->c_cpu, thread_id, sizeof(thread_id))); - put_packet(s, buf); - /* Remove all the breakpoints when this query is issued, - * because gdb is doing and initial connect and the state - * should be cleaned up. - */ - gdb_breakpoint_remove_all(); + { + static const GdbCmdParseEntry target_halted_cmd_desc = { + .handler = handle_target_halt, + .cmd = "?", + .cmd_startswith = 1 + }; + cmd_parser = &target_halted_cmd_desc; + } break; case 'c': { -- 2.20.1