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X-Received-From: 2a00:1450:4864:20::343 Subject: [Qemu-devel] [PATCH v7 20/21] gdbstub: Implement target halted (? 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 | 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, ""); } =20 +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 =3D NULL; =20 trace_gdbstub_io_command(line_buf); @@ -2257,15 +2274,14 @@ static int gdb_handle_packet(GDBState *s, const cha= r *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_i= d))); - 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 =3D { + .handler =3D handle_target_halt, + .cmd =3D "?", + .cmd_startswith =3D 1 + }; + cmd_parser =3D &target_halted_cmd_desc; + } break; case 'c': { --=20 2.20.1