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Diffstat (limited to 'gdb/remote-os9k.c')
| -rw-r--r-- | gdb/remote-os9k.c | 1264 |
1 files changed, 0 insertions, 1264 deletions
diff --git a/gdb/remote-os9k.c b/gdb/remote-os9k.c deleted file mode 100644 index 2abfa83..0000000 --- a/gdb/remote-os9k.c +++ /dev/null @@ -1,1264 +0,0 @@ -/* Remote debugging interface for boot monitors, for GDB. - Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc. - -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. */ - -/* This file was derived from remote-eb.c, which did a similar job, but for - an AMD-29K running EBMON. That file was in turn derived from remote.c - as mentioned in the following comment (left in for comic relief): - - "This is like remote.c but is for a different situation-- - having a PC running os9000 hook up with a unix machine with - a serial line, and running ctty com2 on the PC. os9000 has a debug - monitor called ROMBUG running. Not to mention that the PC - has PC/NFS, so it can access the same executables that gdb can, - over the net in real time." - - In reality, this module talks to a debug monitor called 'ROMBUG', which - We communicate with ROMBUG via a direct serial line, the network version - of ROMBUG is not available yet. -*/ - -/* FIXME This file needs to be rewritten if it's to work again, either - to self-contained or to use the new monitor interface. */ - -#include "defs.h" -#include "gdbcore.h" -#include "target.h" -#include "wait.h" -#ifdef ANSI_PROTOTYPES -#include <stdarg.h> -#else -#include <varargs.h> -#endif -#include <signal.h> -#include "gdb_string.h" -#include <sys/types.h> -#include "command.h" -#include "serial.h" -#include "monitor.h" -#include "remote-utils.h" -#include "symtab.h" -#include "symfile.h" -#include "objfiles.h" -#include "gdb-stabs.h" - -struct cmd_list_element *showlist; -extern struct target_ops rombug_ops; /* Forward declaration */ -extern struct monitor_ops rombug_cmds; /* Forward declaration */ -extern struct cmd_list_element *setlist; -extern struct cmd_list_element *unsetlist; -extern int attach_flag; - -static void rombug_close(); -static void rombug_fetch_register(); -static void rombug_fetch_registers(); -static void rombug_store_register(); -#if 0 -static int sr_get_debug(); /* flag set by "set remotedebug" */ -#endif -static int hashmark; /* flag set by "set hash" */ -static int rombug_is_open = 0; - -/* FIXME: Replace with sr_get_debug (). */ -#define LOG_FILE "monitor.log" -FILE *log_file; -static int monitor_log = 0; -static int tty_xon = 0; -static int tty_xoff = 0; - -static int timeout = 10; -static int is_trace_mode = 0; -/* Descriptor for I/O to remote machine. Initialize it to NULL*/ -static serial_t monitor_desc = NULL; - -static CORE_ADDR bufaddr = 0; -static int buflen = 0; -static char readbuf[16]; - -/* Send data to monitor. Works just like printf. */ -static void -#ifdef ANSI_PROTOTYPES -printf_monitor(char *pattern, ...) -#else -printf_monitor(va_alist) - va_dcl -#endif -{ - va_list args; - char buf[200]; - int i; - -#ifdef ANSI_PROTOTYPES - va_start (args, pattern); -#else - char *pattern; - va_start(args); - pattern = va_arg(args, char *); -#endif - - vsprintf(buf, pattern, args); - va_end(args); - - if (SERIAL_WRITE(monitor_desc, buf, strlen(buf))) - fprintf(stderr, "SERIAL_WRITE failed: %s\n", safe_strerror(errno)); -} - -/* Read a character from the remote system, doing all the fancy timeout stuff*/ -static int -readchar(timeout) - int timeout; -{ - int c; - - c = SERIAL_READCHAR(monitor_desc, timeout); - - if (sr_get_debug()) - putchar(c & 0x7f); - - if (monitor_log && isascii(c)) - putc(c & 0x7f, log_file); - - if (c >= 0) - return c & 0x7f; - - if (c == SERIAL_TIMEOUT) - { - if (timeout == 0) - return c; /* Polls shouldn't generate timeout errors */ - - error("Timeout reading from remote system."); - } - - perror_with_name("remote-monitor"); -} - -/* Scan input from the remote system, until STRING is found. If DISCARD is - non-zero, then discard non-matching input, else print it out. - Let the user break out immediately. */ -static void -expect(string, discard) - char *string; - int discard; -{ - char *p = string; - int c; - - if (sr_get_debug()) - printf ("Expecting \"%s\"\n", string); - - immediate_quit = 1; - while (1) - { - c = readchar(timeout); - if (!isascii (c)) - continue; - if (c == *p++) - { - if (*p == '\0') - { - immediate_quit = 0; - if (sr_get_debug()) - printf ("\nMatched\n"); - return; - } - } - else - { - if (!discard) - { - fwrite(string, 1, (p - 1) - string, stdout); - putchar((char)c); - fflush(stdout); - } - p = string; - } - } -} - -/* Keep discarding input until we see the ROMBUG prompt. - - The convention for dealing with the prompt is that you - o give your command - o *then* wait for the prompt. - - Thus the last thing that a procedure does with the serial line - will be an expect_prompt(). Exception: rombug_resume does not - wait for the prompt, because the terminal is being handed over - to the inferior. However, the next thing which happens after that - is a rombug_wait which does wait for the prompt. - Note that this includes abnormal exit, e.g. error(). This is - necessary to prevent getting into states from which we can't - recover. */ -static void -expect_prompt(discard) - int discard; -{ - if (monitor_log) - /* This is a convenient place to do this. The idea is to do it often - enough that we never lose much data if we terminate abnormally. */ - fflush(log_file); - - if (is_trace_mode) { - expect("trace", discard); - } else { - expect (PROMPT, discard); - } -} - -/* Get a hex digit from the remote system & return its value. - If ignore_space is nonzero, ignore spaces (not newline, tab, etc). */ -static int -get_hex_digit(ignore_space) - int ignore_space; -{ - int ch; - while (1) - { - ch = readchar(timeout); - if (ch >= '0' && ch <= '9') - return ch - '0'; - else if (ch >= 'A' && ch <= 'F') - return ch - 'A' + 10; - else if (ch >= 'a' && ch <= 'f') - return ch - 'a' + 10; - else if (ch == ' ' && ignore_space) - ; - else - { - expect_prompt(1); - error("Invalid hex digit from remote system."); - } - } -} - -/* Get a byte from monitor and put it in *BYT. Accept any number - leading spaces. */ -static void -get_hex_byte (byt) - char *byt; -{ - int val; - - val = get_hex_digit (1) << 4; - val |= get_hex_digit (0); - *byt = val; -} - -/* Get N 32-bit words from remote, each preceded by a space, - and put them in registers starting at REGNO. */ -static void -get_hex_regs (n, regno) - int n; - int regno; -{ - long val; - int i; - unsigned char b; - - for (i = 0; i < n; i++) - { - int j; - - val = 0; - for (j = 0; j < 4; j++) - { - get_hex_byte (&b); - if (TARGET_BYTE_ORDER == BIG_ENDIAN) - val = (val << 8) + b; - else - val = val + (b << (j*8)); - } - supply_register (regno++, (char *) &val); - } -} - -/* This is called not only when we first attach, but also when the - user types "run" after having attached. */ -static void -rombug_create_inferior (execfile, args, env) - char *execfile; - char *args; - char **env; -{ - int entry_pt; - - if (args && *args) - error("Can't pass arguments to remote ROMBUG process"); - - if (execfile == 0 || exec_bfd == 0) - error("No executable file specified"); - - entry_pt = (int) bfd_get_start_address (exec_bfd); - - if (monitor_log) - fputs ("\nIn Create_inferior()", log_file); - - -/* The "process" (board) is already stopped awaiting our commands, and - the program is already downloaded. We just set its PC and go. */ - - init_wait_for_inferior (); - proceed ((CORE_ADDR)entry_pt, TARGET_SIGNAL_DEFAULT, 0); -} - -/* Open a connection to a remote debugger. - NAME is the filename used for communication. */ - -static char dev_name[100]; - -static void -rombug_open(args, from_tty) - char *args; - int from_tty; -{ - if (args == NULL) - error ("Use `target RomBug DEVICE-NAME' to use a serial port, or \n\ -`target RomBug HOST-NAME:PORT-NUMBER' to use a network connection."); - - target_preopen(from_tty); - - if (rombug_is_open) - unpush_target(&rombug_ops); - - strcpy(dev_name, args); - monitor_desc = SERIAL_OPEN(dev_name); - if (monitor_desc == NULL) - perror_with_name(dev_name); - - /* if baud rate is set by 'set remotebaud' */ - if (SERIAL_SETBAUDRATE (monitor_desc, sr_get_baud_rate())) - { - SERIAL_CLOSE (monitor_desc); - perror_with_name ("RomBug"); - } - SERIAL_RAW(monitor_desc); - if (tty_xon || tty_xoff) - { - struct hardware_ttystate { struct termios t;} *tty_s; - - tty_s =(struct hardware_ttystate *)SERIAL_GET_TTY_STATE(monitor_desc); - if (tty_xon) tty_s->t.c_iflag |= IXON; - if (tty_xoff) tty_s->t.c_iflag |= IXOFF; - SERIAL_SET_TTY_STATE(monitor_desc, (serial_ttystate) tty_s); - } - - rombug_is_open = 1; - - log_file = fopen (LOG_FILE, "w"); - if (log_file == NULL) - perror_with_name (LOG_FILE); - - push_monitor (&rombug_cmds); - printf_monitor("\r"); /* CR wakes up monitor */ - expect_prompt(1); - push_target (&rombug_ops); - attach_flag = 1; - - if (from_tty) - printf("Remote %s connected to %s\n", target_shortname, - dev_name); - - rombug_fetch_registers(); - - printf_monitor ("ov e \r"); - expect_prompt(1); - bufaddr = 0; - buflen = 0; -} - -/* - * Close out all files and local state before this target loses control. - */ - -static void -rombug_close (quitting) - int quitting; -{ - if (rombug_is_open) { - SERIAL_CLOSE(monitor_desc); - monitor_desc = NULL; - rombug_is_open = 0; - } - - if (log_file) { - if (ferror(log_file)) - fprintf(stderr, "Error writing log file.\n"); - if (fclose(log_file) != 0) - fprintf(stderr, "Error closing log file.\n"); - log_file = 0; - } -} - -int -rombug_link(mod_name, text_reloc) - char *mod_name; - CORE_ADDR *text_reloc; -{ - int i, j; - unsigned long val; - unsigned char b; - - printf_monitor("l %s \r", mod_name); - expect_prompt(1); - printf_monitor(".r \r"); - expect(REG_DELIM, 1); - for (i=0; i <= 7; i++) - { - val = 0; - for (j = 0; j < 4; j++) - { - get_hex_byte(&b); - val = (val << 8) + b; - } - } - expect_prompt(1); - *text_reloc = val; - return 1; -} - -/* Terminate the open connection to the remote debugger. - Use this when you want to detach and do something else - with your gdb. */ -static void -rombug_detach (from_tty) - int from_tty; -{ - if (attach_flag) { - printf_monitor (GO_CMD); - attach_flag = 0; - } - pop_target(); /* calls rombug_close to do the real work */ - if (from_tty) - printf ("Ending remote %s debugging\n", target_shortname); -} - -/* - * Tell the remote machine to resume. - */ -static void -rombug_resume (pid, step, sig) - int pid, step; - enum target_signal sig; -{ - if (monitor_log) - fprintf (log_file, "\nIn Resume (step=%d, sig=%d)\n", step, sig); - - if (step) - { - is_trace_mode = 1; - printf_monitor (STEP_CMD); - /* wait for the echo. ** - expect (STEP_CMD, 1); - */ - } - else - { - printf_monitor (GO_CMD); - /* swallow the echo. ** - expect (GO_CMD, 1); - */ - } - bufaddr = 0; - buflen= 0; -} - -/* - * Wait until the remote machine stops, then return, - * storing status in status just as `wait' would. - */ - -static int -rombug_wait (pid, status) - int pid; - struct target_waitstatus *status; -{ - int old_timeout = timeout; - struct section_offsets *offs; - CORE_ADDR addr, pc; - struct obj_section *obj_sec; - - if (monitor_log) - fputs ("\nIn wait ()", log_file); - - status->kind = TARGET_WAITKIND_EXITED; - status->value.integer = 0; - - timeout = -1; /* Don't time out -- user program is running. */ - expect ("eax:", 0); /* output any message before register display */ - expect_prompt(1); /* Wait for prompt, outputting extraneous text */ - - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TRAP; - timeout = old_timeout; - rombug_fetch_registers(); - bufaddr = 0; - buflen = 0; - pc = read_register(PC_REGNUM); - addr = read_register(DATABASE_REG); - obj_sec = find_pc_section (pc); - if (obj_sec != NULL) - { - if (obj_sec->objfile != symfile_objfile) - new_symfile_objfile(obj_sec->objfile, 1, 0); - offs = ((struct section_offsets *) - alloca (sizeof (struct section_offsets) - + (symfile_objfile->num_sections * sizeof (offs->offsets)))); - memcpy (offs, symfile_objfile->section_offsets, - (sizeof (struct section_offsets) + - (symfile_objfile->num_sections * sizeof (offs->offsets)))); - ANOFFSET (offs, SECT_OFF_DATA) = addr; - ANOFFSET (offs, SECT_OFF_BSS) = addr; - - objfile_relocate(symfile_objfile, offs); - } - - return 0; -} - -/* Return the name of register number regno in the form input and output by - monitor. Currently, register_names just happens to contain exactly what - monitor wants. Lets take advantage of that just as long as possible! */ - -static char * -get_reg_name (regno) - int regno; -{ - static char buf[50]; - char *p; - char *b; - - b = buf; - - if (regno < 0) - return (""); -/* - for (p = REGISTER_NAME (regno); *p; p++) - *b++ = toupper(*p); - *b = '\000'; -*/ - p = (char *)REGISTER_NAME (regno); - return p; -/* - return buf; -*/ -} - -/* read the remote registers into the block regs. */ - -static void -rombug_fetch_registers () -{ - int regno, j, i; - long val; - unsigned char b; - - printf_monitor (GET_REG); - expect("eax:", 1); - expect("\n", 1); - get_hex_regs(1, 0); - get_hex_regs(1, 3); - get_hex_regs(1, 1); - get_hex_regs(1, 2); - get_hex_regs(1, 6); - get_hex_regs(1, 7); - get_hex_regs(1, 5); - get_hex_regs(1, 4); - for (regno = 8; regno <= 15; regno++) - { - expect(REG_DELIM, 1); - if (regno >= 8 && regno <= 13) - { - val = 0; - for (j = 0; j < 2; j++) - { - get_hex_byte (&b); - if (TARGET_BYTE_ORDER == BIG_ENDIAN) - val = (val << 8) + b; - else - val = val + (b << (j*8)); - } - - if (regno == 8) i = 10; - if (regno >= 9 && regno <= 12) i = regno + 3; - if (regno == 13) i = 11; - supply_register (i, (char *) &val); - } - else if (regno == 14) - { - get_hex_regs(1, PC_REGNUM); - } - else if (regno == 15) - { - get_hex_regs(1, 9); - } - else - { - val = 0; - supply_register(regno, (char *) &val); - } - } - is_trace_mode = 0; - expect_prompt (1); -} - -/* Fetch register REGNO, or all registers if REGNO is -1. - Returns errno value. */ -static void -rombug_fetch_register (regno) - int regno; -{ - int val, j; - unsigned char b; - - if (monitor_log) { - fprintf (log_file, "\nIn Fetch Register (reg=%s)\n", get_reg_name (regno)); - fflush (log_file); - } - - if (regno < 0) - { - rombug_fetch_registers (); - } - else - { - char *name = get_reg_name (regno); - printf_monitor (GET_REG); - if (regno >= 10 && regno <= 15) - { - expect ("\n", 1); - expect ("\n", 1); - expect (name, 1); - expect (REG_DELIM, 1); - val = 0; - for (j = 0; j < 2; j++) - { - get_hex_byte (&b); - if (TARGET_BYTE_ORDER == BIG_ENDIAN) - val = (val << 8) + b; - else - val = val + (b << (j*8)); - } - supply_register (regno, (char *) &val); - } - else if (regno == 8 || regno == 9) - { - expect ("\n", 1); - expect ("\n", 1); - expect ("\n", 1); - expect (name, 1); - expect (REG_DELIM, 1); - get_hex_regs (1, regno); - } - else - { - expect (name, 1); - expect (REG_DELIM, 1); - expect("\n", 1); - get_hex_regs(1, 0); - get_hex_regs(1, 3); - get_hex_regs(1, 1); - get_hex_regs(1, 2); - get_hex_regs(1, 6); - get_hex_regs(1, 7); - get_hex_regs(1, 5); - get_hex_regs(1, 4); - } - expect_prompt (1); - } - return; -} - -/* Store the remote registers from the contents of the block REGS. */ - -static void -rombug_store_registers () -{ - int regno; - - for (regno = 0; regno <= PC_REGNUM; regno++) - rombug_store_register(regno); - - registers_changed (); -} - -/* Store register REGNO, or all if REGNO == 0. - return errno value. */ -static void -rombug_store_register (regno) - int regno; -{ -char *name; - - if (monitor_log) - fprintf (log_file, "\nIn Store_register (regno=%d)\n", regno); - - if (regno == -1) - rombug_store_registers (); - else - { - if (sr_get_debug()) - printf ("Setting register %s to 0x%x\n", get_reg_name (regno), read_register (regno)); - - name = get_reg_name(regno); - if (name == 0) return; - printf_monitor (SET_REG, name, read_register (regno)); - - is_trace_mode = 0; - expect_prompt (1); - } -} - -/* Get ready to modify the registers array. On machines which store - individual registers, this doesn't need to do anything. On machines - which store all the registers in one fell swoop, this makes sure - that registers contains all the registers from the program being - debugged. */ - -static void -rombug_prepare_to_store () -{ - /* Do nothing, since we can store individual regs */ -} - -static void -rombug_files_info () -{ - printf ("\tAttached to %s at %d baud.\n", - dev_name, sr_get_baud_rate()); -} - -/* Copy LEN bytes of data from debugger memory at MYADDR - to inferior's memory at MEMADDR. Returns length moved. */ -static int -rombug_write_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - unsigned char *myaddr; - int len; -{ - int i; - char buf[10]; - - if (monitor_log) - fprintf (log_file, "\nIn Write_inferior_memory (memaddr=%x, len=%d)\n", memaddr, len); - - printf_monitor (MEM_SET_CMD, memaddr); - for (i = 0; i < len; i++) - { - expect (CMD_DELIM, 1); - printf_monitor ("%x \r", myaddr[i]); - if (sr_get_debug()) - printf ("\nSet 0x%x to 0x%x\n", memaddr + i, myaddr[i]); - } - expect (CMD_DELIM, 1); - if (CMD_END) - printf_monitor (CMD_END); - is_trace_mode = 0; - expect_prompt (1); - - bufaddr = 0; - buflen = 0; - return len; -} - -/* Read LEN bytes from inferior memory at MEMADDR. Put the result - at debugger address MYADDR. Returns length moved. */ -static int -rombug_read_inferior_memory(memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; -{ - int i, j; - - /* Number of bytes read so far. */ - int count; - - /* Starting address of this pass. */ - unsigned long startaddr; - - /* Number of bytes to read in this pass. */ - int len_this_pass; - - if (monitor_log) - fprintf (log_file, "\nIn Read_inferior_memory (memaddr=%x, len=%d)\n", memaddr, len); - - /* Note that this code works correctly if startaddr is just less - than UINT_MAX (well, really CORE_ADDR_MAX if there was such a - thing). That is, something like - rombug_read_bytes (CORE_ADDR_MAX - 4, foo, 4) - works--it never adds len To memaddr and gets 0. */ - /* However, something like - rombug_read_bytes (CORE_ADDR_MAX - 3, foo, 4) - doesn't need to work. Detect it and give up if there's an attempt - to do that. */ - if (((memaddr - 1) + len) < memaddr) { - errno = EIO; - return 0; - } - if (bufaddr <= memaddr && (memaddr+len) <= (bufaddr+buflen)) - { - memcpy(myaddr, &readbuf[memaddr-bufaddr], len); - return len; - } - - startaddr = memaddr; - count = 0; - while (count < len) - { - len_this_pass = 16; - if ((startaddr % 16) != 0) - len_this_pass -= startaddr % 16; - if (len_this_pass > (len - count)) - len_this_pass = (len - count); - if (sr_get_debug()) - printf ("\nDisplay %d bytes at %x\n", len_this_pass, startaddr); - - printf_monitor (MEM_DIS_CMD, startaddr, 8); - expect ("- ", 1); - for (i = 0; i < 16; i++) - { - get_hex_byte (&readbuf[i]); - } - bufaddr = startaddr; - buflen = 16; - memcpy(&myaddr[count], readbuf, len_this_pass); - count += len_this_pass; - startaddr += len_this_pass; - expect(CMD_DELIM, 1); - } - if (CMD_END) - printf_monitor (CMD_END); - is_trace_mode = 0; - expect_prompt (1); - - return len; -} - -/* FIXME-someday! merge these two. */ -static int -rombug_xfer_inferior_memory (memaddr, myaddr, len, write, target) - CORE_ADDR memaddr; - char *myaddr; - int len; - int write; - struct target_ops *target; /* ignored */ -{ - if (write) - return rombug_write_inferior_memory (memaddr, myaddr, len); - else - return rombug_read_inferior_memory (memaddr, myaddr, len); -} - -static void -rombug_kill (args, from_tty) - char *args; - int from_tty; -{ - return; /* ignore attempts to kill target system */ -} - -/* Clean up when a program exits. - The program actually lives on in the remote processor's RAM, and may be - run again without a download. Don't leave it full of breakpoint - instructions. */ - -static void -rombug_mourn_inferior () -{ - remove_breakpoints (); - generic_mourn_inferior (); /* Do all the proper things now */ -} - -#define MAX_MONITOR_BREAKPOINTS 16 - -static CORE_ADDR breakaddr[MAX_MONITOR_BREAKPOINTS] = {0}; - -static int -rombug_insert_breakpoint (addr, shadow) - CORE_ADDR addr; - char *shadow; -{ - int i; - CORE_ADDR bp_addr = addr; - int bp_size = 0; - - if (monitor_log) - fprintf (log_file, "\nIn Insert_breakpoint (addr=%x)\n", addr); - BREAKPOINT_FROM_PC (&bp_addr, &bp_size); - - for (i = 0; i <= MAX_MONITOR_BREAKPOINTS; i++) - if (breakaddr[i] == 0) - { - breakaddr[i] = addr; - if (sr_get_debug()) - printf ("Breakpoint at %x\n", addr); - rombug_read_inferior_memory (bp_addr, shadow, bp_size); - printf_monitor(SET_BREAK_CMD, addr); - is_trace_mode = 0; - expect_prompt(1); - return 0; - } - - fprintf(stderr, "Too many breakpoints (> 16) for monitor\n"); - return 1; -} - -/* - * _remove_breakpoint -- Tell the monitor to remove a breakpoint - */ -static int -rombug_remove_breakpoint (addr, shadow) - CORE_ADDR addr; - char *shadow; -{ - int i; - - if (monitor_log) - fprintf (log_file, "\nIn Remove_breakpoint (addr=%x)\n", addr); - - for (i = 0; i < MAX_MONITOR_BREAKPOINTS; i++) - if (breakaddr[i] == addr) - { - breakaddr[i] = 0; - printf_monitor(CLR_BREAK_CMD, addr); - is_trace_mode = 0; - expect_prompt(1); - return 0; - } - - fprintf(stderr, "Can't find breakpoint associated with 0x%x\n", addr); - return 1; -} - -/* Load a file. This is usually an srecord, which is ascii. No - protocol, just sent line by line. */ - -#define DOWNLOAD_LINE_SIZE 100 -static void -rombug_load (arg) - char *arg; -{ -/* this part comment out for os9* */ -#if 0 - FILE *download; - char buf[DOWNLOAD_LINE_SIZE]; - int i, bytes_read; - - if (sr_get_debug()) - printf ("Loading %s to monitor\n", arg); - - download = fopen (arg, "r"); - if (download == NULL) - { - error (sprintf (buf, "%s Does not exist", arg)); - return; - } - - printf_monitor (LOAD_CMD); -/* expect ("Waiting for S-records from host... ", 1); */ - - while (!feof (download)) - { - bytes_read = fread (buf, sizeof (char), DOWNLOAD_LINE_SIZE, download); - if (hashmark) - { - putchar ('.'); - fflush (stdout); - } - - if (SERIAL_WRITE(monitor_desc, buf, bytes_read)) { - fprintf(stderr, "SERIAL_WRITE failed: (while downloading) %s\n", safe_strerror(errno)); - break; - } - i = 0; - while (i++ <=200000) {} ; /* Ugly HACK, probably needs flow control */ - if (bytes_read < DOWNLOAD_LINE_SIZE) - { - if (!feof (download)) - error ("Only read %d bytes\n", bytes_read); - break; - } - } - - if (hashmark) - { - putchar ('\n'); - } - if (!feof (download)) - error ("Never got EOF while downloading"); - fclose (download); -#endif 0 -} - -/* Put a command string, in args, out to MONITOR. - Output from MONITOR is placed on the users terminal until the prompt - is seen. */ - -static void -rombug_command (args, fromtty) - char *args; - int fromtty; -{ - if (monitor_desc == NULL) - error("monitor target not open."); - - if (monitor_log) - fprintf (log_file, "\nIn command (args=%s)\n", args); - - if (!args) - error("Missing command."); - - printf_monitor("%s\r", args); - expect_prompt(0); -} - -#if 0 -/* Connect the user directly to MONITOR. This command acts just like the - 'cu' or 'tip' command. Use <CR>~. or <CR>~^D to break out. */ - -static struct ttystate ttystate; - -static void -cleanup_tty() -{ printf("\r\n[Exiting connect mode]\r\n"); - /*SERIAL_RESTORE(0, &ttystate);*/ -} - -static void -connect_command (args, fromtty) - char *args; - int fromtty; -{ - fd_set readfds; - int numfds; - int c; - char cur_esc = 0; - - dont_repeat(); - - if (monitor_desc == NULL) - error("monitor target not open."); - - if (args) - fprintf("This command takes no args. They have been ignored.\n"); - - printf("[Entering connect mode. Use ~. or ~^D to escape]\n"); - - serial_raw(0, &ttystate); - - make_cleanup(cleanup_tty, 0); - - FD_ZERO(&readfds); - - while (1) - { - do - { - FD_SET(0, &readfds); - FD_SET(monitor_desc, &readfds); - numfds = select(sizeof(readfds)*8, &readfds, 0, 0, 0); - } - while (numfds == 0); - - if (numfds < 0) - perror_with_name("select"); - - if (FD_ISSET(0, &readfds)) - { /* tty input, send to monitor */ - c = getchar(); - if (c < 0) - perror_with_name("connect"); - - printf_monitor("%c", c); - switch (cur_esc) - { - case 0: - if (c == '\r') - cur_esc = c; - break; - case '\r': - if (c == '~') - cur_esc = c; - else - cur_esc = 0; - break; - case '~': - if (c == '.' || c == '\004') - return; - else - cur_esc = 0; - } - } - - if (FD_ISSET(monitor_desc, &readfds)) - { - while (1) - { - c = readchar(0); - if (c < 0) - break; - putchar(c); - } - fflush(stdout); - } - } -} -#endif - -/* - * Define the monitor command strings. Since these are passed directly - * through to a printf style function, we need can include formatting - * strings. We also need a CR or LF on the end. - */ -#warning FIXME: monitor interface pattern strings, stale struct decl -struct monitor_ops rombug_cmds = { - "g \r", /* execute or usually GO command */ - "g \r", /* continue command */ - "t \r", /* single step */ - "b %x\r", /* set a breakpoint */ - "k %x\r", /* clear a breakpoint */ - "c %x\r", /* set memory to a value */ - "d %x %d\r", /* display memory */ - "$%08X", /* prompt memory commands use */ - ".%s %x\r", /* set a register */ - ":", /* delimiter between registers */ - ". \r", /* read a register */ - "mf \r", /* download command */ - "RomBug: ", /* monitor command prompt */ - ": ", /* end-of-command delimitor */ - ".\r" /* optional command terminator */ -}; - -struct target_ops rombug_ops ; - -static void -init_rombug_ops(void) -{ - rombug_ops.to_shortname = "rombug"; - rombug_ops.to_longname = "Microware's ROMBUG debug monitor"; - rombug_ops.to_doc = "Use a remote computer running the ROMBUG debug monitor.\n\ -Specify the serial device it is connected to (e.g. /dev/ttya).", - rombug_ops.to_open = rombug_open; - rombug_ops.to_close = rombug_close; - rombug_ops.to_attach = 0; - rombug_ops.to_post_attach = NULL; - rombug_ops.to_require_attach = NULL; - rombug_ops.to_detach = rombug_detach; - rombug_ops.to_require_detach = NULL; - rombug_ops.to_resume = rombug_resume; - rombug_ops.to_wait = rombug_wait; - rombug_ops.to_post_wait = NULL; - rombug_ops.to_fetch_registers = rombug_fetch_register; - rombug_ops.to_store_registers = rombug_store_register; - rombug_ops.to_prepare_to_store = rombug_prepare_to_store; - rombug_ops.to_xfer_memory = rombug_xfer_inferior_memory; - rombug_ops.to_files_info = rombug_files_info; - rombug_ops.to_insert_breakpoint = rombug_insert_breakpoint; - rombug_ops.to_remove_breakpoint = rombug_remove_breakpoint; /* Breakpoints */ - rombug_ops.to_terminal_init = 0; - rombug_ops.to_terminal_inferior = 0; - rombug_ops.to_terminal_ours_for_output = 0; - rombug_ops.to_terminal_ours = 0; - rombug_ops.to_terminal_info = 0; /* Terminal handling */ - rombug_ops.to_kill = rombug_kill; - rombug_ops.to_load = rombug_load; /* load */ - rombug_ops.to_lookup_symbol = rombug_link; /* lookup_symbol */ - rombug_ops.to_create_inferior = rombug_create_inferior; - rombug_ops.to_post_startup_inferior = NULL; - rombug_ops.to_acknowledge_created_inferior = NULL; - rombug_ops.to_clone_and_follow_inferior = NULL; - rombug_ops.to_post_follow_inferior_by_clone = NULL; - rombug_ops.to_insert_fork_catchpoint = NULL; - rombug_ops.to_remove_fork_catchpoint = NULL; - rombug_ops.to_insert_vfork_catchpoint = NULL; - rombug_ops.to_remove_vfork_catchpoint = NULL; - rombug_ops.to_has_forked = NULL; - rombug_ops.to_has_vforked = NULL; - rombug_ops.to_can_follow_vfork_prior_to_exec = NULL; - rombug_ops.to_post_follow_vfork = NULL; - rombug_ops.to_insert_exec_catchpoint = NULL; - rombug_ops.to_remove_exec_catchpoint = NULL; - rombug_ops.to_has_execd = NULL; - rombug_ops.to_reported_exec_events_per_exec_call = NULL; - rombug_ops.to_has_exited = NULL; - rombug_ops.to_mourn_inferior = rombug_mourn_inferior; - rombug_ops.to_can_run = 0; /* can_run */ - rombug_ops.to_notice_signals = 0; /* notice_signals */ - rombug_ops.to_thread_alive = 0; - rombug_ops.to_stop = 0; /* to_stop */ - rombug_ops.to_pid_to_exec_file = NULL; - rombug_ops.to_core_file_to_sym_file = NULL; - rombug_ops.to_stratum = process_stratum; - rombug_ops.DONT_USE = 0; /* next */ - rombug_ops.to_has_all_memory = 1; - rombug_ops.to_has_memory = 1; - rombug_ops.to_has_stack = 1; - rombug_ops.to_has_registers = 1; - rombug_ops.to_has_execution = 1; /* has execution */ - rombug_ops.to_sections = 0; - rombug_ops.to_sections_end = 0; /* Section pointers */ - rombug_ops.to_magic = OPS_MAGIC; /* Always the last thing */ -} - -void -_initialize_remote_os9k () -{ - init_rombug_ops() ; - add_target (&rombug_ops); - - add_show_from_set ( - add_set_cmd ("hash", no_class, var_boolean, (char *)&hashmark, - "Set display of activity while downloading a file.\nWhen enabled, a period \'.\' is displayed.", - &setlist), - &showlist); - - add_show_from_set ( - add_set_cmd ("timeout", no_class, var_zinteger, - (char *) &timeout, - "Set timeout in seconds for remote MIPS serial I/O.", - &setlist), - &showlist); - - add_show_from_set ( - add_set_cmd ("remotelog", no_class, var_zinteger, - (char *) &monitor_log, - "Set monitor activity log on(=1) or off(=0).", - &setlist), - &showlist); - - add_show_from_set ( - add_set_cmd ("remotexon", no_class, var_zinteger, - (char *) &tty_xon, - "Set remote tty line XON control", - &setlist), - &showlist); - - add_show_from_set ( - add_set_cmd ("remotexoff", no_class, var_zinteger, - (char *) &tty_xoff, - "Set remote tty line XOFF control", - &setlist), - &showlist); - - add_com ("rombug <command>", class_obscure, rombug_command, - "Send a command to the debug monitor."); -#if 0 - add_com ("connect", class_obscure, connect_command, - "Connect the terminal directly up to a serial based command monitor.\nUse <CR>~. or <CR>~^D to break out."); -#endif -} |