/* Remote debugging with the XLNT Designs, Inc (XDI) NetROM. Copyright 1990, 1991, 1992, 1995 Free Software Foundation, Inc. Contributed by: Roger Moyers XLNT Designs, Inc. 15050 Avenue of Science, Suite 106 San Diego, CA 92128 (619)487-9320 roger@xlnt.com Adapted from work done at Cygnus Support in remote-nindy.c, later merged in by Stan Shebs at Cygnus. This file is part of GDB. 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 (at your option) 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "defs.h" #include "gdbcmd.h" #include "serial.h" #include "target.h" /* Default ports used to talk with the NetROM. */ #define DEFAULT_NETROM_LOAD_PORT 1236 #define DEFAULT_NETROM_CONTROL_PORT 1237 static void nrom_close PARAMS ((int quitting)); /* New commands. */ static void nrom_passthru PARAMS ((char *, int)); /* We talk to the NetROM over these sockets. */ static serial_t load_desc = NULL; static serial_t ctrl_desc = NULL; static int load_port = DEFAULT_NETROM_LOAD_PORT; static int control_port = DEFAULT_NETROM_CONTROL_PORT; static char nrom_hostname[100]; /* Forward data declaration. */ extern struct target_ops nrom_ops; /* Scan input from the remote system, until STRING is found. Print chars that don't match. */ static int expect (string) char *string; { char *p = string; int c; immediate_quit = 1; while (1) { c = SERIAL_READCHAR (ctrl_desc, 5); if (c == *p++) { if (*p == '\0') { immediate_quit = 0; return 0; } } else { fputc_unfiltered (c, gdb_stdout); p = string; if (c == *p) p++; } } } static void nrom_kill () { nrom_close (0); } static serial_t open_socket (name, port) char *name; int port; { char sockname[100]; serial_t desc; sprintf (sockname, "%s:%d", name, port); desc = SERIAL_OPEN (sockname); if (!desc) perror_with_name (sockname); return desc; } static void load_cleanup () { SERIAL_CLOSE (load_desc); load_desc = NULL; } /* Download a file specified in ARGS to the netROM. */ static void nrom_load (args, fromtty) char *args; int fromtty; { int fd, rd_amt, fsize; bfd *pbfd; asection *section; char *downloadstring = "download 0\n"; struct cleanup *old_chain; /* Tell the netrom to get ready to download. */ if (SERIAL_WRITE (ctrl_desc, downloadstring, strlen (downloadstring))) error ("nrom_load: control_send() of `%s' failed", downloadstring); expect ("Waiting for a connection...\n"); load_desc = open_socket (nrom_hostname, load_port); old_chain = make_cleanup (load_cleanup, 0); pbfd = bfd_openr (args, 0); if (pbfd) { make_cleanup (bfd_close, pbfd); if (!bfd_check_format (pbfd, bfd_object)) error ("\"%s\": not in executable format: %s", args, bfd_errmsg (bfd_get_error ())); for (section = pbfd->sections; section; section = section->next) { if (bfd_get_section_flags (pbfd, section) & SEC_ALLOC) { bfd_vma section_address; unsigned long section_size; const char *section_name; section_name = bfd_get_section_name (pbfd, section); section_address = bfd_get_section_vma (pbfd, section); section_size = bfd_section_size (pbfd, section); if (bfd_get_section_flags (pbfd, section) & SEC_LOAD) { file_ptr fptr; printf_filtered ("[Loading section %s at %x (%d bytes)]\n", section_name, section_address, section_size); fptr = 0; while (section_size > 0) { char buffer[1024]; int count; count = min (section_size, 1024); bfd_get_section_contents (pbfd, section, buffer, fptr, count); SERIAL_WRITE (load_desc, buffer, count); section_address += count; fptr += count; section_size -= count; } } else /* BSS and such */ { printf_filtered ("[section %s: not loading]\n", section_name); } } } } else error ("\"%s\": Could not open", args); do_cleanups (old_chain); } /* Open a connection to the remote NetROM devices. */ static void nrom_open (name, from_tty) char *name; int from_tty; { int errn; if (!name || strchr (name, '/') || strchr (name, ':')) error ( "To open a NetROM connection, you must specify the hostname\n\ or IP address of the NetROM device you wish to use."); strcpy (nrom_hostname, name); target_preopen (from_tty); unpush_target (&nrom_ops); ctrl_desc = open_socket (nrom_hostname, control_port); push_target (&nrom_ops); if (from_tty) printf_filtered ("Connected to NetROM device \"%s\"\n", nrom_hostname); } /* Close out all files and local state before this target loses control. */ static void nrom_close (quitting) int quitting; { if (load_desc) SERIAL_CLOSE (load_desc); if (ctrl_desc) SERIAL_CLOSE (ctrl_desc); } /* Pass arguments directly to the NetROM. */ static void nrom_passthru (args, fromtty) char *args; int fromtty; { char buf[1024]; sprintf (buf, "%s\n", args); if (SERIAL_WRITE (ctrl_desc, buf, strlen (buf))) error ("nrom_reset: control_send() of `%s'failed", args); } static void nrom_mourn() { unpush_target (&nrom_ops); generic_mourn_inferior (); } /* Define the target vector. */ struct target_ops nrom_ops = { "nrom", /* to_shortname */ "Remote XDI `NetROM' target", /* to_longname */ "Remote debug using a NetROM over Ethernet", nrom_open, /* to_open */ nrom_close, /* to_close */ NULL, /* to_attach */ NULL, /* to_detach */ NULL, /* to_resume */ NULL, /* to_wait */ NULL, /* to_fetch_registers */ NULL, /* to_store_registers */ NULL, /* to_prepare_to_store */ NULL, /* to_xfer_memory */ NULL, /* to_files_info */ NULL, /* to_insert_breakpoint */ NULL, /* to_remove_breakpoint */ NULL, NULL, NULL, NULL, NULL, nrom_kill, nrom_load, NULL, NULL, /* to_create_inferior */ nrom_mourn, NULL, /* to_can_run */ 0, /* to_notice_signals */ 0, download_stratum, /* to_stratum */ NULL, /* to_next */ 1, 1, 1, 1, 0, /* to_has_execution */ NULL, /* sections */ NULL, /* sections_end */ OPS_MAGIC /* to_magic */ }; void _initialize_remote_nrom () { add_target (&nrom_ops); add_show_from_set ( add_set_cmd ("nrom_load_port", no_class, var_zinteger, (char *)&load_port, "Set the port to use for NetROM downloads\n", &setlist), &showlist); add_show_from_set ( add_set_cmd ("nrom_control_port", no_class, var_zinteger, (char *)&control_port, "Set the port to use for NetROM debugger services\n", &setlist), &showlist); add_cmd ("nrom", no_class, nrom_passthru, "Pass arguments as command to NetROM", &cmdlist); }