Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / hci / commands / gdbstub_cmd.c

diff --git a/qemu/roms/ipxe/src/hci/commands/gdbstub_cmd.c b/qemu/roms/ipxe/src/hci/commands/gdbstub_cmd.c
new file mode 100644 (file)
index 0000000..33890ae
--- /dev/null
+++ b/qemu/roms/ipxe/src/hci/commands/gdbstub_cmd.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2008 Stefan Hajnoczi <stefanha@gmail.com>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdio.h>
+#include <errno.h>
+#include <assert.h>
+#include <getopt.h>
+#include <ipxe/command.h>
+#include <ipxe/parseopt.h>
+#include <ipxe/gdbstub.h>
+
+/** @file
+ *
+ * GDB stub command
+ *
+ */
+
+/**
+ * Parse GDB transport name
+ *
+ * @v text             Text
+ * @ret trans          GDB transport
+ * @ret rc             Return status code
+ */
+static int parse_gdb_transport ( const char *text,
+                                struct gdb_transport **trans ) {
+
+       /* Sanity check */
+       assert ( text != NULL );
+
+       /* Find transport */
+       *trans = find_gdb_transport ( text );
+       if ( ! *trans ) {
+               printf ( "\"%s\": no such transport (is it compiled in?)\n",
+                        text );
+               return -ENOTSUP;
+       }
+
+       return 0;
+}
+
+/** "gdbstub" options */
+struct gdbstub_options {};
+
+/** "gdbstub" option list */
+static struct option_descriptor gdbstub_opts[] = {};
+
+/** "gdbstub" command descriptor */
+static struct command_descriptor gdbstub_cmd =
+       COMMAND_DESC ( struct gdbstub_options, gdbstub_opts, 1, MAX_ARGUMENTS,
+                      "<transport> [<options>...]" );
+
+/**
+ * The "gdbstub" command
+ *
+ * @v argc             Argument count
+ * @v argv             Argument list
+ * @ret rc             Return status code
+ */
+static int gdbstub_exec ( int argc, char **argv ) {
+       struct gdbstub_options opts;
+       struct gdb_transport *trans;
+       int rc;
+
+       /* Parse options */
+       if ( ( rc = parse_options ( argc, argv, &gdbstub_cmd, &opts ) ) != 0 )
+               return rc;
+
+       /* Parse transport name */
+       if ( ( rc = parse_gdb_transport ( argv[optind++], &trans ) ) != 0 )
+               return rc;
+
+       /* Initialise transport */
+       if ( trans->init ) {
+               if ( ( rc = trans->init ( argc - optind,
+                                         &argv[optind] ) ) != 0 ) {
+                       return rc;
+               }
+       }
+
+       /* Enter GDB stub */
+       gdbstub_start ( trans );
+
+       return 0;
+}
+
+/** GDB stub commands */
+struct command gdbstub_commands[] __command = {
+       {
+               .name = "gdbstub",
+               .exec = gdbstub_exec,
+       },
+};