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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:35:26 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:35:26 +0000
commitc906108c21474dfb4ed285bcc0ac6fe02cd400cc (patch)
treea0015aa5cedc19ccbab307251353a41722a3ae13 /gdb/remote-nrom.c
parentcd946cff9ede3f30935803403f06f6ed30cad136 (diff)
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Initial creation of sourceware repositorygdb-4_18-branchpoint
Diffstat (limited to 'gdb/remote-nrom.c')
-rw-r--r--gdb/remote-nrom.c360
1 files changed, 360 insertions, 0 deletions
diff --git a/gdb/remote-nrom.c b/gdb/remote-nrom.c
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+/* 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 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 ;
+
+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);
+}