| /* 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., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, 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 (int quitting); |
| |
| /* New commands. */ |
| |
| static void nrom_passthru (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; |
| |
| static void |
| init_nrom_ops (void) |
| { |
| nrom_ops.to_shortname = "nrom"; |
| nrom_ops.to_longname = "Remote XDI `NetROM' target"; |
| nrom_ops.to_doc = "Remote debug using a NetROM over Ethernet"; |
| nrom_ops.to_open = nrom_open; |
| nrom_ops.to_close = nrom_close; |
| nrom_ops.to_attach = NULL; |
| nrom_ops.to_post_attach = NULL; |
| nrom_ops.to_require_attach = NULL; |
| nrom_ops.to_detach = NULL; |
| nrom_ops.to_require_detach = NULL; |
| nrom_ops.to_resume = NULL; |
| nrom_ops.to_wait = NULL; |
| nrom_ops.to_post_wait = NULL; |
| nrom_ops.to_fetch_registers = NULL; |
| nrom_ops.to_store_registers = NULL; |
| nrom_ops.to_prepare_to_store = NULL; |
| nrom_ops.to_xfer_memory = NULL; |
| nrom_ops.to_files_info = NULL; |
| nrom_ops.to_insert_breakpoint = NULL; |
| nrom_ops.to_remove_breakpoint = NULL; |
| nrom_ops.to_terminal_init = NULL; |
| nrom_ops.to_terminal_inferior = NULL; |
| nrom_ops.to_terminal_ours_for_output = NULL; |
| nrom_ops.to_terminal_ours = NULL; |
| nrom_ops.to_terminal_info = NULL; |
| nrom_ops.to_kill = nrom_kill; |
| nrom_ops.to_load = nrom_load; |
| nrom_ops.to_lookup_symbol = NULL; |
| nrom_ops.to_create_inferior = NULL; |
| nrom_ops.to_post_startup_inferior = NULL; |
| nrom_ops.to_acknowledge_created_inferior = NULL; |
| nrom_ops.to_clone_and_follow_inferior = NULL; |
| nrom_ops.to_post_follow_inferior_by_clone = NULL; |
| nrom_ops.to_insert_fork_catchpoint = NULL; |
| nrom_ops.to_remove_fork_catchpoint = NULL; |
| nrom_ops.to_insert_vfork_catchpoint = NULL; |
| nrom_ops.to_remove_vfork_catchpoint = NULL; |
| nrom_ops.to_has_forked = NULL; |
| nrom_ops.to_has_vforked = NULL; |
| nrom_ops.to_can_follow_vfork_prior_to_exec = NULL; |
| nrom_ops.to_post_follow_vfork = NULL; |
| nrom_ops.to_insert_exec_catchpoint = NULL; |
| nrom_ops.to_remove_exec_catchpoint = NULL; |
| nrom_ops.to_has_execd = NULL; |
| nrom_ops.to_reported_exec_events_per_exec_call = NULL; |
| nrom_ops.to_has_exited = NULL; |
| nrom_ops.to_mourn_inferior = nrom_mourn; |
| nrom_ops.to_can_run = NULL; |
| nrom_ops.to_notice_signals = 0; |
| nrom_ops.to_thread_alive = 0; |
| nrom_ops.to_stop = 0; |
| nrom_ops.to_pid_to_exec_file = NULL; |
| nrom_ops.to_core_file_to_sym_file = NULL; |
| nrom_ops.to_stratum = download_stratum; |
| nrom_ops.DONT_USE = NULL; |
| nrom_ops.to_has_all_memory = 1; |
| nrom_ops.to_has_memory = 1; |
| nrom_ops.to_has_stack = 1; |
| nrom_ops.to_has_registers = 1; |
| nrom_ops.to_has_execution = 0; |
| nrom_ops.to_sections = NULL; |
| nrom_ops.to_sections_end = NULL; |
| nrom_ops.to_magic = OPS_MAGIC; |
| }; |
| |
| void |
| _initialize_remote_nrom () |
| { |
| init_nrom_ops (); |
| 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); |
| } |