| // OBSOLETE /* Memory-access and commands for remote NINDY process, for GDB. |
| // OBSOLETE |
| // OBSOLETE Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, |
| // OBSOLETE 2000, 2001, 2002 Free Software Foundation, Inc. |
| // OBSOLETE |
| // OBSOLETE Contributed by Intel Corporation. Modified from remote.c by Chris Benenati. |
| // OBSOLETE |
| // OBSOLETE GDB is distributed in the hope that it will be useful, but WITHOUT ANY |
| // OBSOLETE WARRANTY. No author or distributor accepts responsibility to anyone |
| // OBSOLETE for the consequences of using it or for whether it serves any |
| // OBSOLETE particular purpose or works at all, unless he says so in writing. |
| // OBSOLETE Refer to the GDB General Public License for full details. |
| // OBSOLETE |
| // OBSOLETE Everyone is granted permission to copy, modify and redistribute GDB, |
| // OBSOLETE but only under the conditions described in the GDB General Public |
| // OBSOLETE License. A copy of this license is supposed to have been given to you |
| // OBSOLETE along with GDB so you can know your rights and responsibilities. It |
| // OBSOLETE should be in a file named COPYING. Among other things, the copyright |
| // OBSOLETE notice and this notice must be preserved on all copies. |
| // OBSOLETE |
| // OBSOLETE In other words, go ahead and share GDB, but don't try to stop |
| // OBSOLETE anyone else from sharing it farther. Help stamp out software hoarding! */ |
| // OBSOLETE |
| // OBSOLETE /* |
| // OBSOLETE Except for the data cache routines, this file bears little resemblence |
| // OBSOLETE to remote.c. A new (although similar) protocol has been specified, and |
| // OBSOLETE portions of the code are entirely dependent on having an i80960 with a |
| // OBSOLETE NINDY ROM monitor at the other end of the line. |
| // OBSOLETE */ |
| // OBSOLETE |
| // OBSOLETE /***************************************************************************** |
| // OBSOLETE * |
| // OBSOLETE * REMOTE COMMUNICATION PROTOCOL BETWEEN GDB960 AND THE NINDY ROM MONITOR. |
| // OBSOLETE * |
| // OBSOLETE * |
| // OBSOLETE * MODES OF OPERATION |
| // OBSOLETE * ----- -- --------- |
| // OBSOLETE * |
| // OBSOLETE * As far as NINDY is concerned, GDB is always in one of two modes: command |
| // OBSOLETE * mode or passthrough mode. |
| // OBSOLETE * |
| // OBSOLETE * In command mode (the default) pre-defined packets containing requests |
| // OBSOLETE * are sent by GDB to NINDY. NINDY never talks except in reponse to a request. |
| // OBSOLETE * |
| // OBSOLETE * Once the the user program is started, GDB enters passthrough mode, to give |
| // OBSOLETE * the user program access to the terminal. GDB remains in this mode until |
| // OBSOLETE * NINDY indicates that the program has stopped. |
| // OBSOLETE * |
| // OBSOLETE * |
| // OBSOLETE * PASSTHROUGH MODE |
| // OBSOLETE * ----------- ---- |
| // OBSOLETE * |
| // OBSOLETE * GDB writes all input received from the keyboard directly to NINDY, and writes |
| // OBSOLETE * all characters received from NINDY directly to the monitor. |
| // OBSOLETE * |
| // OBSOLETE * Keyboard input is neither buffered nor echoed to the monitor. |
| // OBSOLETE * |
| // OBSOLETE * GDB remains in passthrough mode until NINDY sends a single ^P character, |
| // OBSOLETE * to indicate that the user process has stopped. |
| // OBSOLETE * |
| // OBSOLETE * Note: |
| // OBSOLETE * GDB assumes NINDY performs a 'flushreg' when the user program stops. |
| // OBSOLETE * |
| // OBSOLETE * |
| // OBSOLETE * COMMAND MODE |
| // OBSOLETE * ------- ---- |
| // OBSOLETE * |
| // OBSOLETE * All info (except for message ack and nak) is transferred between gdb |
| // OBSOLETE * and the remote processor in messages of the following format: |
| // OBSOLETE * |
| // OBSOLETE * <info>#<checksum> |
| // OBSOLETE * |
| // OBSOLETE * where |
| // OBSOLETE * # is a literal character |
| // OBSOLETE * |
| // OBSOLETE * <info> ASCII information; all numeric information is in the |
| // OBSOLETE * form of hex digits ('0'-'9' and lowercase 'a'-'f'). |
| // OBSOLETE * |
| // OBSOLETE * <checksum> |
| // OBSOLETE * is a pair of ASCII hex digits representing an 8-bit |
| // OBSOLETE * checksum formed by adding together each of the |
| // OBSOLETE * characters in <info>. |
| // OBSOLETE * |
| // OBSOLETE * The receiver of a message always sends a single character to the sender |
| // OBSOLETE * to indicate that the checksum was good ('+') or bad ('-'); the sender |
| // OBSOLETE * re-transmits the entire message over until a '+' is received. |
| // OBSOLETE * |
| // OBSOLETE * In response to a command NINDY always sends back either data or |
| // OBSOLETE * a result code of the form "Xnn", where "nn" are hex digits and "X00" |
| // OBSOLETE * means no errors. (Exceptions: the "s" and "c" commands don't respond.) |
| // OBSOLETE * |
| // OBSOLETE * SEE THE HEADER OF THE FILE "gdb.c" IN THE NINDY MONITOR SOURCE CODE FOR A |
| // OBSOLETE * FULL DESCRIPTION OF LEGAL COMMANDS. |
| // OBSOLETE * |
| // OBSOLETE * SEE THE FILE "stop.h" IN THE NINDY MONITOR SOURCE CODE FOR A LIST |
| // OBSOLETE * OF STOP CODES. |
| // OBSOLETE * |
| // OBSOLETE ***************************************************************************/ |
| // OBSOLETE |
| // OBSOLETE #include "defs.h" |
| // OBSOLETE #include <signal.h> |
| // OBSOLETE #include <sys/types.h> |
| // OBSOLETE #include <setjmp.h> |
| // OBSOLETE |
| // OBSOLETE #include "frame.h" |
| // OBSOLETE #include "inferior.h" |
| // OBSOLETE #include "bfd.h" |
| // OBSOLETE #include "symfile.h" |
| // OBSOLETE #include "target.h" |
| // OBSOLETE #include "gdbcore.h" |
| // OBSOLETE #include "command.h" |
| // OBSOLETE #include "floatformat.h" |
| // OBSOLETE #include "regcache.h" |
| // OBSOLETE |
| // OBSOLETE #include <sys/file.h> |
| // OBSOLETE #include <ctype.h> |
| // OBSOLETE #include "serial.h" |
| // OBSOLETE #include "nindy-share/env.h" |
| // OBSOLETE #include "nindy-share/stop.h" |
| // OBSOLETE #include "remote-utils.h" |
| // OBSOLETE |
| // OBSOLETE extern int unlink (); |
| // OBSOLETE extern char *getenv (); |
| // OBSOLETE extern char *mktemp (); |
| // OBSOLETE |
| // OBSOLETE extern void generic_mourn_inferior (); |
| // OBSOLETE |
| // OBSOLETE extern struct target_ops nindy_ops; |
| // OBSOLETE extern FILE *instream; |
| // OBSOLETE |
| // OBSOLETE extern char ninStopWhy (); |
| // OBSOLETE extern int ninMemGet (); |
| // OBSOLETE extern int ninMemPut (); |
| // OBSOLETE |
| // OBSOLETE int nindy_initial_brk; /* nonzero if want to send an initial BREAK to nindy */ |
| // OBSOLETE int nindy_old_protocol; /* nonzero if want to use old protocol */ |
| // OBSOLETE char *nindy_ttyname; /* name of tty to talk to nindy on, or null */ |
| // OBSOLETE |
| // OBSOLETE #define DLE '\020' /* Character NINDY sends to indicate user program has |
| // OBSOLETE * halted. */ |
| // OBSOLETE #define TRUE 1 |
| // OBSOLETE #define FALSE 0 |
| // OBSOLETE |
| // OBSOLETE /* From nindy-share/nindy.c. */ |
| // OBSOLETE extern struct serial *nindy_serial; |
| // OBSOLETE |
| // OBSOLETE static int have_regs = 0; /* 1 iff regs read since i960 last halted */ |
| // OBSOLETE static int regs_changed = 0; /* 1 iff regs were modified since last read */ |
| // OBSOLETE |
| // OBSOLETE extern char *exists (); |
| // OBSOLETE |
| // OBSOLETE static void nindy_fetch_registers (int); |
| // OBSOLETE |
| // OBSOLETE static void nindy_store_registers (int); |
| // OBSOLETE |
| // OBSOLETE static char *savename; |
| // OBSOLETE |
| // OBSOLETE static void |
| // OBSOLETE nindy_close (int quitting) |
| // OBSOLETE { |
| // OBSOLETE if (nindy_serial != NULL) |
| // OBSOLETE serial_close (nindy_serial); |
| // OBSOLETE nindy_serial = NULL; |
| // OBSOLETE |
| // OBSOLETE if (savename) |
| // OBSOLETE xfree (savename); |
| // OBSOLETE savename = 0; |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE /* Open a connection to a remote debugger. |
| // OBSOLETE FIXME, there should be "set" commands for the options that are |
| // OBSOLETE now specified with gdb command-line options (old_protocol, |
| // OBSOLETE and initial_brk). */ |
| // OBSOLETE void |
| // OBSOLETE nindy_open (char *name, /* "/dev/ttyXX", "ttyXX", or "XX": tty to be opened */ |
| // OBSOLETE int from_tty) |
| // OBSOLETE { |
| // OBSOLETE char baudrate[1024]; |
| // OBSOLETE |
| // OBSOLETE if (!name) |
| // OBSOLETE error_no_arg ("serial port device name"); |
| // OBSOLETE |
| // OBSOLETE target_preopen (from_tty); |
| // OBSOLETE |
| // OBSOLETE nindy_close (0); |
| // OBSOLETE |
| // OBSOLETE have_regs = regs_changed = 0; |
| // OBSOLETE |
| // OBSOLETE /* Allow user to interrupt the following -- we could hang if there's |
| // OBSOLETE no NINDY at the other end of the remote tty. */ |
| // OBSOLETE immediate_quit++; |
| // OBSOLETE /* If baud_rate is -1, then ninConnect will not recognize the baud rate |
| // OBSOLETE and will deal with the situation in a (more or less) reasonable |
| // OBSOLETE fashion. */ |
| // OBSOLETE sprintf (baudrate, "%d", baud_rate); |
| // OBSOLETE ninConnect (name, baudrate, |
| // OBSOLETE nindy_initial_brk, !from_tty, nindy_old_protocol); |
| // OBSOLETE immediate_quit--; |
| // OBSOLETE |
| // OBSOLETE if (nindy_serial == NULL) |
| // OBSOLETE { |
| // OBSOLETE perror_with_name (name); |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE savename = savestring (name, strlen (name)); |
| // OBSOLETE push_target (&nindy_ops); |
| // OBSOLETE |
| // OBSOLETE target_fetch_registers (-1); |
| // OBSOLETE |
| // OBSOLETE init_thread_list (); |
| // OBSOLETE init_wait_for_inferior (); |
| // OBSOLETE clear_proceed_status (); |
| // OBSOLETE normal_stop (); |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE /* User-initiated quit of nindy operations. */ |
| // OBSOLETE |
| // OBSOLETE static void |
| // OBSOLETE nindy_detach (char *name, int from_tty) |
| // OBSOLETE { |
| // OBSOLETE if (name) |
| // OBSOLETE error ("Too many arguments"); |
| // OBSOLETE pop_target (); |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE static void |
| // OBSOLETE nindy_files_info (void) |
| // OBSOLETE { |
| // OBSOLETE /* FIXME: this lies about the baud rate if we autobauded. */ |
| // OBSOLETE printf_unfiltered ("\tAttached to %s at %d bits per second%s%s.\n", savename, |
| // OBSOLETE baud_rate, |
| // OBSOLETE nindy_old_protocol ? " in old protocol" : "", |
| // OBSOLETE nindy_initial_brk ? " with initial break" : ""); |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE /* Return the number of characters in the buffer BUF before |
| // OBSOLETE the first DLE character. N is maximum number of characters to |
| // OBSOLETE consider. */ |
| // OBSOLETE |
| // OBSOLETE static |
| // OBSOLETE int |
| // OBSOLETE non_dle (char *buf, int n) |
| // OBSOLETE { |
| // OBSOLETE int i; |
| // OBSOLETE |
| // OBSOLETE for (i = 0; i < n; i++) |
| // OBSOLETE { |
| // OBSOLETE if (buf[i] == DLE) |
| // OBSOLETE { |
| // OBSOLETE break; |
| // OBSOLETE } |
| // OBSOLETE } |
| // OBSOLETE return i; |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE /* Tell the remote machine to resume. */ |
| // OBSOLETE |
| // OBSOLETE void |
| // OBSOLETE nindy_resume (ptid_t ptid, int step, enum target_signal siggnal) |
| // OBSOLETE { |
| // OBSOLETE if (siggnal != TARGET_SIGNAL_0 && siggnal != stop_signal) |
| // OBSOLETE warning ("Can't send signals to remote NINDY targets."); |
| // OBSOLETE |
| // OBSOLETE if (regs_changed) |
| // OBSOLETE { |
| // OBSOLETE nindy_store_registers (-1); |
| // OBSOLETE regs_changed = 0; |
| // OBSOLETE } |
| // OBSOLETE have_regs = 0; |
| // OBSOLETE ninGo (step); |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE /* FIXME, we can probably use the normal terminal_inferior stuff here. |
| // OBSOLETE We have to do terminal_inferior and then set up the passthrough |
| // OBSOLETE settings initially. Thereafter, terminal_ours and terminal_inferior |
| // OBSOLETE will automatically swap the settings around for us. */ |
| // OBSOLETE |
| // OBSOLETE struct clean_up_tty_args |
| // OBSOLETE { |
| // OBSOLETE serial_ttystate state; |
| // OBSOLETE struct serial *serial; |
| // OBSOLETE }; |
| // OBSOLETE static struct clean_up_tty_args tty_args; |
| // OBSOLETE |
| // OBSOLETE static void |
| // OBSOLETE clean_up_tty (PTR ptrarg) |
| // OBSOLETE { |
| // OBSOLETE struct clean_up_tty_args *args = (struct clean_up_tty_args *) ptrarg; |
| // OBSOLETE serial_set_tty_state (args->serial, args->state); |
| // OBSOLETE xfree (args->state); |
| // OBSOLETE warning ("\n\nYou may need to reset the 80960 and/or reload your program.\n"); |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE /* Recover from ^Z or ^C while remote process is running */ |
| // OBSOLETE static void (*old_ctrlc) (); |
| // OBSOLETE #ifdef SIGTSTP |
| // OBSOLETE static void (*old_ctrlz) (); |
| // OBSOLETE #endif |
| // OBSOLETE |
| // OBSOLETE static void |
| // OBSOLETE clean_up_int (void) |
| // OBSOLETE { |
| // OBSOLETE serial_set_tty_state (tty_args.serial, tty_args.state); |
| // OBSOLETE xfree (tty_args.state); |
| // OBSOLETE |
| // OBSOLETE signal (SIGINT, old_ctrlc); |
| // OBSOLETE #ifdef SIGTSTP |
| // OBSOLETE signal (SIGTSTP, old_ctrlz); |
| // OBSOLETE #endif |
| // OBSOLETE error ("\n\nYou may need to reset the 80960 and/or reload your program.\n"); |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE /* Wait until the remote machine stops. While waiting, operate in passthrough |
| // OBSOLETE * mode; i.e., pass everything NINDY sends to gdb_stdout, and everything from |
| // OBSOLETE * stdin to NINDY. |
| // OBSOLETE * |
| // OBSOLETE * Return to caller, storing status in 'status' just as `wait' would. |
| // OBSOLETE */ |
| // OBSOLETE |
| // OBSOLETE static ptid_t |
| // OBSOLETE nindy_wait (ptid_t ptid, struct target_waitstatus *status) |
| // OBSOLETE { |
| // OBSOLETE fd_set fds; |
| // OBSOLETE int c; |
| // OBSOLETE char buf[2]; |
| // OBSOLETE int i, n; |
| // OBSOLETE unsigned char stop_exit; |
| // OBSOLETE unsigned char stop_code; |
| // OBSOLETE struct cleanup *old_cleanups; |
| // OBSOLETE long ip_value, fp_value, sp_value; /* Reg values from stop */ |
| // OBSOLETE |
| // OBSOLETE status->kind = TARGET_WAITKIND_EXITED; |
| // OBSOLETE status->value.integer = 0; |
| // OBSOLETE |
| // OBSOLETE /* OPERATE IN PASSTHROUGH MODE UNTIL NINDY SENDS A DLE CHARACTER */ |
| // OBSOLETE |
| // OBSOLETE /* Save current tty attributes, and restore them when done. */ |
| // OBSOLETE tty_args.serial = serial_fdopen (0); |
| // OBSOLETE tty_args.state = serial_get_tty_state (tty_args.serial); |
| // OBSOLETE old_ctrlc = signal (SIGINT, clean_up_int); |
| // OBSOLETE #ifdef SIGTSTP |
| // OBSOLETE old_ctrlz = signal (SIGTSTP, clean_up_int); |
| // OBSOLETE #endif |
| // OBSOLETE |
| // OBSOLETE old_cleanups = make_cleanup (clean_up_tty, &tty_args); |
| // OBSOLETE |
| // OBSOLETE /* Pass input from keyboard to NINDY as it arrives. NINDY will interpret |
| // OBSOLETE <CR> and perform echo. */ |
| // OBSOLETE /* This used to set CBREAK and clear ECHO and CRMOD. I hope this is close |
| // OBSOLETE enough. */ |
| // OBSOLETE serial_raw (tty_args.serial); |
| // OBSOLETE |
| // OBSOLETE while (1) |
| // OBSOLETE { |
| // OBSOLETE /* Input on remote */ |
| // OBSOLETE c = serial_readchar (nindy_serial, -1); |
| // OBSOLETE if (c == SERIAL_ERROR) |
| // OBSOLETE { |
| // OBSOLETE error ("Cannot read from serial line"); |
| // OBSOLETE } |
| // OBSOLETE else if (c == 0x1b) /* ESC */ |
| // OBSOLETE { |
| // OBSOLETE c = serial_readchar (nindy_serial, -1); |
| // OBSOLETE c &= ~0x40; |
| // OBSOLETE } |
| // OBSOLETE else if (c != 0x10) /* DLE */ |
| // OBSOLETE /* Write out any characters preceding DLE */ |
| // OBSOLETE { |
| // OBSOLETE buf[0] = (char) c; |
| // OBSOLETE write (1, buf, 1); |
| // OBSOLETE } |
| // OBSOLETE else |
| // OBSOLETE { |
| // OBSOLETE stop_exit = ninStopWhy (&stop_code, |
| // OBSOLETE &ip_value, &fp_value, &sp_value); |
| // OBSOLETE if (!stop_exit && (stop_code == STOP_SRQ)) |
| // OBSOLETE { |
| // OBSOLETE immediate_quit++; |
| // OBSOLETE ninSrq (); |
| // OBSOLETE immediate_quit--; |
| // OBSOLETE } |
| // OBSOLETE else |
| // OBSOLETE { |
| // OBSOLETE /* Get out of loop */ |
| // OBSOLETE supply_register (IP_REGNUM, |
| // OBSOLETE (char *) &ip_value); |
| // OBSOLETE supply_register (FP_REGNUM, |
| // OBSOLETE (char *) &fp_value); |
| // OBSOLETE supply_register (SP_REGNUM, |
| // OBSOLETE (char *) &sp_value); |
| // OBSOLETE break; |
| // OBSOLETE } |
| // OBSOLETE } |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE serial_set_tty_state (tty_args.serial, tty_args.state); |
| // OBSOLETE xfree (tty_args.state); |
| // OBSOLETE discard_cleanups (old_cleanups); |
| // OBSOLETE |
| // OBSOLETE if (stop_exit) |
| // OBSOLETE { |
| // OBSOLETE status->kind = TARGET_WAITKIND_EXITED; |
| // OBSOLETE status->value.integer = stop_code; |
| // OBSOLETE } |
| // OBSOLETE else |
| // OBSOLETE { |
| // OBSOLETE /* nindy has some special stop code need to be handled */ |
| // OBSOLETE if (stop_code == STOP_GDB_BPT) |
| // OBSOLETE stop_code = TRACE_STEP; |
| // OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; |
| // OBSOLETE status->value.sig = i960_fault_to_signal (stop_code); |
| // OBSOLETE } |
| // OBSOLETE return inferior_ptid; |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE /* Read the remote registers into the block REGS. */ |
| // OBSOLETE |
| // OBSOLETE /* This is the block that ninRegsGet and ninRegsPut handles. */ |
| // OBSOLETE struct nindy_regs |
| // OBSOLETE { |
| // OBSOLETE char local_regs[16 * 4]; |
| // OBSOLETE char global_regs[16 * 4]; |
| // OBSOLETE char pcw_acw[2 * 4]; |
| // OBSOLETE char ip[4]; |
| // OBSOLETE char tcw[4]; |
| // OBSOLETE char fp_as_double[4 * 8]; |
| // OBSOLETE }; |
| // OBSOLETE |
| // OBSOLETE static void |
| // OBSOLETE nindy_fetch_registers (int regno) |
| // OBSOLETE { |
| // OBSOLETE struct nindy_regs nindy_regs; |
| // OBSOLETE int regnum; |
| // OBSOLETE |
| // OBSOLETE immediate_quit++; |
| // OBSOLETE ninRegsGet ((char *) &nindy_regs); |
| // OBSOLETE immediate_quit--; |
| // OBSOLETE |
| // OBSOLETE memcpy (®isters[REGISTER_BYTE (R0_REGNUM)], nindy_regs.local_regs, 16 * 4); |
| // OBSOLETE memcpy (®isters[REGISTER_BYTE (G0_REGNUM)], nindy_regs.global_regs, 16 * 4); |
| // OBSOLETE memcpy (®isters[REGISTER_BYTE (PCW_REGNUM)], nindy_regs.pcw_acw, 2 * 4); |
| // OBSOLETE memcpy (®isters[REGISTER_BYTE (IP_REGNUM)], nindy_regs.ip, 1 * 4); |
| // OBSOLETE memcpy (®isters[REGISTER_BYTE (TCW_REGNUM)], nindy_regs.tcw, 1 * 4); |
| // OBSOLETE memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], nindy_regs.fp_as_double, 4 * 8); |
| // OBSOLETE |
| // OBSOLETE registers_fetched (); |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE static void |
| // OBSOLETE nindy_prepare_to_store (void) |
| // OBSOLETE { |
| // OBSOLETE /* Fetch all regs if they aren't already here. */ |
| // OBSOLETE read_register_bytes (0, NULL, REGISTER_BYTES); |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE static void |
| // OBSOLETE nindy_store_registers (int regno) |
| // OBSOLETE { |
| // OBSOLETE struct nindy_regs nindy_regs; |
| // OBSOLETE int regnum; |
| // OBSOLETE |
| // OBSOLETE memcpy (nindy_regs.local_regs, ®isters[REGISTER_BYTE (R0_REGNUM)], 16 * 4); |
| // OBSOLETE memcpy (nindy_regs.global_regs, ®isters[REGISTER_BYTE (G0_REGNUM)], 16 * 4); |
| // OBSOLETE memcpy (nindy_regs.pcw_acw, ®isters[REGISTER_BYTE (PCW_REGNUM)], 2 * 4); |
| // OBSOLETE memcpy (nindy_regs.ip, ®isters[REGISTER_BYTE (IP_REGNUM)], 1 * 4); |
| // OBSOLETE memcpy (nindy_regs.tcw, ®isters[REGISTER_BYTE (TCW_REGNUM)], 1 * 4); |
| // OBSOLETE memcpy (nindy_regs.fp_as_double, ®isters[REGISTER_BYTE (FP0_REGNUM)], 8 * 4); |
| // OBSOLETE |
| // OBSOLETE immediate_quit++; |
| // OBSOLETE ninRegsPut ((char *) &nindy_regs); |
| // OBSOLETE immediate_quit--; |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE /* Copy LEN bytes to or from inferior's memory starting at MEMADDR |
| // OBSOLETE to debugger memory starting at MYADDR. Copy to inferior if |
| // OBSOLETE SHOULD_WRITE is nonzero. Returns the length copied. TARGET is |
| // OBSOLETE unused. */ |
| // OBSOLETE |
| // OBSOLETE int |
| // OBSOLETE nindy_xfer_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len, |
| // OBSOLETE int should_write, struct mem_attrib *attrib, |
| // OBSOLETE struct target_ops *target) |
| // OBSOLETE { |
| // OBSOLETE int res; |
| // OBSOLETE |
| // OBSOLETE if (len <= 0) |
| // OBSOLETE return 0; |
| // OBSOLETE |
| // OBSOLETE if (should_write) |
| // OBSOLETE res = ninMemPut (memaddr, myaddr, len); |
| // OBSOLETE else |
| // OBSOLETE res = ninMemGet (memaddr, myaddr, len); |
| // OBSOLETE |
| // OBSOLETE return res; |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE static void |
| // OBSOLETE nindy_create_inferior (char *execfile, char *args, char **env) |
| // OBSOLETE { |
| // OBSOLETE int entry_pt; |
| // OBSOLETE int pid; |
| // OBSOLETE |
| // OBSOLETE if (args && *args) |
| // OBSOLETE error ("Can't pass arguments to remote NINDY process"); |
| // OBSOLETE |
| // OBSOLETE if (execfile == 0 || exec_bfd == 0) |
| // OBSOLETE error ("No executable file specified"); |
| // OBSOLETE |
| // OBSOLETE entry_pt = (int) bfd_get_start_address (exec_bfd); |
| // OBSOLETE |
| // OBSOLETE pid = 42; |
| // OBSOLETE |
| // OBSOLETE /* The "process" (board) is already stopped awaiting our commands, and |
| // OBSOLETE the program is already downloaded. We just set its PC and go. */ |
| // OBSOLETE |
| // OBSOLETE inferior_ptid = pid_to_ptid (pid); /* Needed for wait_for_inferior below */ |
| // OBSOLETE |
| // OBSOLETE clear_proceed_status (); |
| // OBSOLETE |
| // OBSOLETE /* Tell wait_for_inferior that we've started a new process. */ |
| // OBSOLETE init_wait_for_inferior (); |
| // OBSOLETE |
| // OBSOLETE /* Set up the "saved terminal modes" of the inferior |
| // OBSOLETE based on what modes we are starting it with. */ |
| // OBSOLETE target_terminal_init (); |
| // OBSOLETE |
| // OBSOLETE /* Install inferior's terminal modes. */ |
| // OBSOLETE target_terminal_inferior (); |
| // OBSOLETE |
| // OBSOLETE /* insert_step_breakpoint (); FIXME, do we need this? */ |
| // OBSOLETE /* Let 'er rip... */ |
| // OBSOLETE proceed ((CORE_ADDR) entry_pt, TARGET_SIGNAL_DEFAULT, 0); |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE static void |
| // OBSOLETE reset_command (char *args, int from_tty) |
| // OBSOLETE { |
| // OBSOLETE if (nindy_serial == NULL) |
| // OBSOLETE { |
| // OBSOLETE error ("No target system to reset -- use 'target nindy' command."); |
| // OBSOLETE } |
| // OBSOLETE if (query ("Really reset the target system?", 0, 0)) |
| // OBSOLETE { |
| // OBSOLETE serial_send_break (nindy_serial); |
| // OBSOLETE tty_flush (nindy_serial); |
| // OBSOLETE } |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE void |
| // OBSOLETE nindy_kill (char *args, int from_tty) |
| // OBSOLETE { |
| // OBSOLETE return; /* Ignore attempts to kill target system */ |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE /* Clean up when a program exits. |
| // OBSOLETE |
| // OBSOLETE The program actually lives on in the remote processor's RAM, and may be |
| // OBSOLETE run again without a download. Don't leave it full of breakpoint |
| // OBSOLETE instructions. */ |
| // OBSOLETE |
| // OBSOLETE void |
| // OBSOLETE nindy_mourn_inferior (void) |
| // OBSOLETE { |
| // OBSOLETE remove_breakpoints (); |
| // OBSOLETE unpush_target (&nindy_ops); |
| // OBSOLETE generic_mourn_inferior (); /* Do all the proper things now */ |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE /* Pass the args the way catch_errors wants them. */ |
| // OBSOLETE static int |
| // OBSOLETE nindy_open_stub (char *arg) |
| // OBSOLETE { |
| // OBSOLETE nindy_open (arg, 1); |
| // OBSOLETE return 1; |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE static void |
| // OBSOLETE nindy_load (char *filename, int from_tty) |
| // OBSOLETE { |
| // OBSOLETE asection *s; |
| // OBSOLETE /* Can't do unix style forking on a VMS system, so we'll use bfd to do |
| // OBSOLETE all the work for us |
| // OBSOLETE */ |
| // OBSOLETE |
| // OBSOLETE bfd *file = bfd_openr (filename, 0); |
| // OBSOLETE if (!file) |
| // OBSOLETE { |
| // OBSOLETE perror_with_name (filename); |
| // OBSOLETE return; |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE if (!bfd_check_format (file, bfd_object)) |
| // OBSOLETE { |
| // OBSOLETE error ("can't prove it's an object file\n"); |
| // OBSOLETE return; |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE for (s = file->sections; s; s = s->next) |
| // OBSOLETE { |
| // OBSOLETE if (s->flags & SEC_LOAD) |
| // OBSOLETE { |
| // OBSOLETE char *buffer = xmalloc (s->_raw_size); |
| // OBSOLETE bfd_get_section_contents (file, s, buffer, 0, s->_raw_size); |
| // OBSOLETE printf ("Loading section %s, size %x vma %x\n", |
| // OBSOLETE s->name, |
| // OBSOLETE s->_raw_size, |
| // OBSOLETE s->vma); |
| // OBSOLETE ninMemPut (s->vma, buffer, s->_raw_size); |
| // OBSOLETE xfree (buffer); |
| // OBSOLETE } |
| // OBSOLETE } |
| // OBSOLETE bfd_close (file); |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE static int |
| // OBSOLETE load_stub (char *arg) |
| // OBSOLETE { |
| // OBSOLETE target_load (arg, 1); |
| // OBSOLETE return 1; |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE /* This routine is run as a hook, just before the main command loop is |
| // OBSOLETE entered. If gdb is configured for the i960, but has not had its |
| // OBSOLETE nindy target specified yet, this will loop prompting the user to do so. |
| // OBSOLETE |
| // OBSOLETE Unlike the loop provided by Intel, we actually let the user get out |
| // OBSOLETE of this with a RETURN. This is useful when e.g. simply examining |
| // OBSOLETE an i960 object file on the host system. */ |
| // OBSOLETE |
| // OBSOLETE void |
| // OBSOLETE nindy_before_main_loop (void) |
| // OBSOLETE { |
| // OBSOLETE char ttyname[100]; |
| // OBSOLETE char *p, *p2; |
| // OBSOLETE |
| // OBSOLETE while (target_stack->target_ops != &nindy_ops) /* What is this crap??? */ |
| // OBSOLETE { /* remote tty not specified yet */ |
| // OBSOLETE if (instream == stdin) |
| // OBSOLETE { |
| // OBSOLETE printf_unfiltered ("\nAttach /dev/ttyNN -- specify NN, or \"quit\" to quit: "); |
| // OBSOLETE gdb_flush (gdb_stdout); |
| // OBSOLETE } |
| // OBSOLETE fgets (ttyname, sizeof (ttyname) - 1, stdin); |
| // OBSOLETE |
| // OBSOLETE /* Strip leading and trailing whitespace */ |
| // OBSOLETE for (p = ttyname; isspace (*p); p++) |
| // OBSOLETE { |
| // OBSOLETE ; |
| // OBSOLETE } |
| // OBSOLETE if (*p == '\0') |
| // OBSOLETE { |
| // OBSOLETE return; /* User just hit spaces or return, wants out */ |
| // OBSOLETE } |
| // OBSOLETE for (p2 = p; !isspace (*p2) && (*p2 != '\0'); p2++) |
| // OBSOLETE { |
| // OBSOLETE ; |
| // OBSOLETE } |
| // OBSOLETE *p2 = '\0'; |
| // OBSOLETE if (STREQ ("quit", p)) |
| // OBSOLETE { |
| // OBSOLETE exit (1); |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE if (catch_errors (nindy_open_stub, p, "", RETURN_MASK_ALL)) |
| // OBSOLETE { |
| // OBSOLETE /* Now that we have a tty open for talking to the remote machine, |
| // OBSOLETE download the executable file if one was specified. */ |
| // OBSOLETE if (exec_bfd) |
| // OBSOLETE { |
| // OBSOLETE catch_errors (load_stub, bfd_get_filename (exec_bfd), "", |
| // OBSOLETE RETURN_MASK_ALL); |
| // OBSOLETE } |
| // OBSOLETE } |
| // OBSOLETE } |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE /* Define the target subroutine names */ |
| // OBSOLETE |
| // OBSOLETE struct target_ops nindy_ops; |
| // OBSOLETE |
| // OBSOLETE static void |
| // OBSOLETE init_nindy_ops (void) |
| // OBSOLETE { |
| // OBSOLETE nindy_ops.to_shortname = "nindy"; |
| // OBSOLETE "Remote serial target in i960 NINDY-specific protocol", |
| // OBSOLETE nindy_ops.to_longname = "Use a remote i960 system running NINDY connected by a serial line.\n\ |
| // OBSOLETE Specify the name of the device the serial line is connected to.\n\ |
| // OBSOLETE The speed (baud rate), whether to use the old NINDY protocol,\n\ |
| // OBSOLETE and whether to send a break on startup, are controlled by options\n\ |
| // OBSOLETE specified when you started GDB."; |
| // OBSOLETE nindy_ops.to_doc = ""; |
| // OBSOLETE nindy_ops.to_open = nindy_open; |
| // OBSOLETE nindy_ops.to_close = nindy_close; |
| // OBSOLETE nindy_ops.to_attach = 0; |
| // OBSOLETE nindy_ops.to_post_attach = NULL; |
| // OBSOLETE nindy_ops.to_require_attach = NULL; |
| // OBSOLETE nindy_ops.to_detach = nindy_detach; |
| // OBSOLETE nindy_ops.to_require_detach = NULL; |
| // OBSOLETE nindy_ops.to_resume = nindy_resume; |
| // OBSOLETE nindy_ops.to_wait = nindy_wait; |
| // OBSOLETE nindy_ops.to_post_wait = NULL; |
| // OBSOLETE nindy_ops.to_fetch_registers = nindy_fetch_registers; |
| // OBSOLETE nindy_ops.to_store_registers = nindy_store_registers; |
| // OBSOLETE nindy_ops.to_prepare_to_store = nindy_prepare_to_store; |
| // OBSOLETE nindy_ops.to_xfer_memory = nindy_xfer_inferior_memory; |
| // OBSOLETE nindy_ops.to_files_info = nindy_files_info; |
| // OBSOLETE nindy_ops.to_insert_breakpoint = memory_insert_breakpoint; |
| // OBSOLETE nindy_ops.to_remove_breakpoint = memory_remove_breakpoint; |
| // OBSOLETE nindy_ops.to_terminal_init = 0; |
| // OBSOLETE nindy_ops.to_terminal_inferior = 0; |
| // OBSOLETE nindy_ops.to_terminal_ours_for_output = 0; |
| // OBSOLETE nindy_ops.to_terminal_ours = 0; |
| // OBSOLETE nindy_ops.to_terminal_info = 0; /* Terminal crud */ |
| // OBSOLETE nindy_ops.to_kill = nindy_kill; |
| // OBSOLETE nindy_ops.to_load = nindy_load; |
| // OBSOLETE nindy_ops.to_lookup_symbol = 0; /* lookup_symbol */ |
| // OBSOLETE nindy_ops.to_create_inferior = nindy_create_inferior; |
| // OBSOLETE nindy_ops.to_post_startup_inferior = NULL; |
| // OBSOLETE nindy_ops.to_acknowledge_created_inferior = NULL; |
| // OBSOLETE nindy_ops.to_clone_and_follow_inferior = NULL; |
| // OBSOLETE nindy_ops.to_post_follow_inferior_by_clone = NULL; |
| // OBSOLETE nindy_ops.to_insert_fork_catchpoint = NULL; |
| // OBSOLETE nindy_ops.to_remove_fork_catchpoint = NULL; |
| // OBSOLETE nindy_ops.to_insert_vfork_catchpoint = NULL; |
| // OBSOLETE nindy_ops.to_remove_vfork_catchpoint = NULL; |
| // OBSOLETE nindy_ops.to_has_forked = NULL; |
| // OBSOLETE nindy_ops.to_has_vforked = NULL; |
| // OBSOLETE nindy_ops.to_can_follow_vfork_prior_to_exec = NULL; |
| // OBSOLETE nindy_ops.to_post_follow_vfork = NULL; |
| // OBSOLETE nindy_ops.to_insert_exec_catchpoint = NULL; |
| // OBSOLETE nindy_ops.to_remove_exec_catchpoint = NULL; |
| // OBSOLETE nindy_ops.to_has_execd = NULL; |
| // OBSOLETE nindy_ops.to_reported_exec_events_per_exec_call = NULL; |
| // OBSOLETE nindy_ops.to_has_exited = NULL; |
| // OBSOLETE nindy_ops.to_mourn_inferior = nindy_mourn_inferior; |
| // OBSOLETE nindy_ops.to_can_run = 0; /* can_run */ |
| // OBSOLETE nindy_ops.to_notice_signals = 0; /* notice_signals */ |
| // OBSOLETE nindy_ops.to_thread_alive = 0; /* to_thread_alive */ |
| // OBSOLETE nindy_ops.to_stop = 0; /* to_stop */ |
| // OBSOLETE nindy_ops.to_pid_to_exec_file = NULL; |
| // OBSOLETE nindy_ops.to_stratum = process_stratum; |
| // OBSOLETE nindy_ops.DONT_USE = 0; /* next */ |
| // OBSOLETE nindy_ops.to_has_all_memory = 1; |
| // OBSOLETE nindy_ops.to_has_memory = 1; |
| // OBSOLETE nindy_ops.to_has_stack = 1; |
| // OBSOLETE nindy_ops.to_has_registers = 1; |
| // OBSOLETE nindy_ops.to_has_execution = 1; /* all mem, mem, stack, regs, exec */ |
| // OBSOLETE nindy_ops.to_sections = 0; |
| // OBSOLETE nindy_ops.to_sections_end = 0; /* Section pointers */ |
| // OBSOLETE nindy_ops.to_magic = OPS_MAGIC; /* Always the last thing */ |
| // OBSOLETE } |
| // OBSOLETE |
| // OBSOLETE void |
| // OBSOLETE _initialize_nindy (void) |
| // OBSOLETE { |
| // OBSOLETE init_nindy_ops (); |
| // OBSOLETE add_target (&nindy_ops); |
| // OBSOLETE add_com ("reset", class_obscure, reset_command, |
| // OBSOLETE "Send a 'break' to the remote target system.\n\ |
| // OBSOLETE Only useful if the target has been equipped with a circuit\n\ |
| // OBSOLETE to perform a hard reset when a break is detected."); |
| // OBSOLETE } |