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X-Received-From: 2a00:1450:4864:20::441 Subject: [Qemu-devel] [PATCH v6 03/21] gdbstub: Implement thread_alive (T 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: 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 | 43 ++++++++++++++++++++++++++++++++----------- 1 file changed, 32 insertions(+), 11 deletions(-) diff --git a/gdbstub.c b/gdbstub.c index fdad1ac466..29ca6be3df 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -1499,6 +1499,30 @@ static void handle_detach(GdbCmdContext *gdb_ctx, vo= id *user_ctx) put_packet(s, "OK"); } =20 +static void handle_thread_alive(GdbCmdContext *gdb_ctx, void *user_ctx) +{ + CPUState *cpu; + + if (!gdb_ctx->num_params) { + put_packet(gdb_ctx->s, "E22"); + return; + } + + if (gdb_ctx->params[0].thread_id.kind =3D=3D GDB_READ_THREAD_ERR) { + put_packet(gdb_ctx->s, "E22"); + return; + } + + cpu =3D gdb_get_cpu(gdb_ctx->s, gdb_ctx->params[0].thread_id.pid, + gdb_ctx->params[0].thread_id.tid); + if (!cpu) { + put_packet(gdb_ctx->s, "E22"); + return; + } + + put_packet(gdb_ctx->s, "OK"); +} + static int gdb_handle_packet(GDBState *s, const char *line_buf) { CPUState *cpu; @@ -1799,17 +1823,14 @@ static int gdb_handle_packet(GDBState *s, const cha= r *line_buf) } break; case 'T': - thread_kind =3D read_thread_id(p, &p, &pid, &tid); - if (thread_kind =3D=3D GDB_READ_THREAD_ERR) { - put_packet(s, "E22"); - break; - } - cpu =3D gdb_get_cpu(s, pid, tid); - - if (cpu !=3D NULL) { - put_packet(s, "OK"); - } else { - put_packet(s, "E22"); + { + static const GdbCmdParseEntry thread_alive_cmd_desc =3D { + .handler =3D handle_thread_alive, + .cmd =3D "T", + .cmd_startswith =3D 1, + .schema =3D "t0" + }; + cmd_parser =3D &thread_alive_cmd_desc; } break; case 'q': --=20 2.20.1