X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fremote-eb.c;h=dcee34514f2043c6f34097f09a4ed81d742592e3;hb=d28847ce8eb6da33e8bc2905fe0b08631360a764;hp=baa4d24b55dff11a31f77f7735bcf5b9a7da033d;hpb=6c9638b444fd6ebdd189fe05c3e44dfbc95c878c;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/remote-eb.c b/gdb/remote-eb.c index baa4d24b55..dcee34514f 100644 --- a/gdb/remote-eb.c +++ b/gdb/remote-eb.c @@ -1,1009 +1,1088 @@ -/* Remote debugging interface for AMD 29000 EBMON on IBM PC, for GDB. - Copyright 1990, 1991, 1992 Free Software Foundation, Inc. - Contributed by Cygnus Support. Written by Jim Kingdon for 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. */ - -/* This is like remote.c but is for an esoteric situation-- - having a a29k board in a PC hooked up to a unix machine with - a serial line, and running ctty com1 on the PC, through which - the unix machine can run ebmon. 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. */ - -#include "defs.h" -#include "gdb_string.h" - -#include "inferior.h" -#include "bfd.h" -#include "symfile.h" -#include "wait.h" -#include "value.h" -#include -#include -#include -#include -#include "terminal.h" -#include "target.h" -#include "gdbcore.h" - -extern struct target_ops eb_ops; /* Forward declaration */ - -static void eb_close(); - -#define LOG_FILE "eb.log" -#if defined (LOG_FILE) -FILE *log_file; -#endif - -static int timeout = 24; - -/* Descriptor for I/O to remote machine. Initialize it to -1 so that - eb_open knows that we don't have a file open when the program - starts. */ -int eb_desc = -1; - -/* stream which is fdopen'd from eb_desc. Only valid when - eb_desc != -1. */ -FILE *eb_stream; - -/* Read a character from the remote system, doing all the fancy - timeout stuff. */ -static int -readchar () -{ - char buf; - - buf = '\0'; -#ifdef HAVE_TERMIO - /* termio does the timeout for us. */ - read (eb_desc, &buf, 1); -#else - alarm (timeout); - if (read (eb_desc, &buf, 1) < 0) - { - if (errno == EINTR) - error ("Timeout reading from remote system."); - else - perror_with_name ("remote"); - } - alarm (0); -#endif - - if (buf == '\0') - error ("Timeout reading from remote system."); -#if defined (LOG_FILE) - putc (buf & 0x7f, log_file); -#endif - return buf & 0x7f; -} - -/* Keep discarding input from the remote system, until STRING is found. - Let the user break out immediately. */ -static void -expect (string) - char *string; -{ - char *p = string; - - immediate_quit = 1; - while (1) - { - if (readchar() == *p) - { - p++; - if (*p == '\0') - { - immediate_quit = 0; - return; - } - } - else - p = string; - } -} - -/* Keep discarding input until we see the ebmon 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: eb_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 eb_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 () -{ -#if defined (LOG_FILE) - /* 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); -#endif - expect ("\n# "); -} - -/* 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 (); - 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 (); - error ("Invalid hex digit from remote system."); - } - } -} - -/* Get a byte from eb_desc 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; - - for (i = 0; i < n; i++) - { - int j; - - val = 0; - for (j = 0; j < 8; j++) - val = (val << 4) + get_hex_digit (j == 0); - supply_register (regno++, (char *) &val); - } -} - -/* Called when SIGALRM signal sent due to alarm() timeout. */ -#ifndef HAVE_TERMIO - -#ifndef __STDC__ -#define volatile /**/ -#endif -volatile int n_alarms; - -void -eb_timer () -{ -#if 0 - if (kiodebug) - printf ("eb_timer called\n"); -#endif - n_alarms++; -} -#endif - -/* malloc'd name of the program on the remote system. */ -static char *prog_name = NULL; - -/* Nonzero if we have loaded the file ("yc") and not yet issued a "gi" - command. "gi" is supposed to happen exactly once for each "yc". */ -static int need_gi = 0; - -/* Number of SIGTRAPs we need to simulate. That is, the next - NEED_ARTIFICIAL_TRAP calls to eb_wait should just return - SIGTRAP without actually waiting for anything. */ - -static int need_artificial_trap = 0; - -/* This is called not only when we first attach, but also when the - user types "run" after having attached. */ -static void -eb_create_inferior (execfile, args, env) - char *execfile; - char *args; - char **env; -{ - int entry_pt; - - if (args && *args) - error ("Can't pass arguments to remote EBMON process"); - - if (execfile == 0 || exec_bfd == 0) - error ("No exec file specified"); - - entry_pt = (int) bfd_get_start_address (exec_bfd); - - { - /* OK, now read in the file. Y=read, C=COFF, D=no symbols - 0=start address, %s=filename. */ - - fprintf (eb_stream, "YC D,0:%s", prog_name); - - if (args != NULL) - fprintf(eb_stream, " %s", args); - - fprintf (eb_stream, "\n"); - fflush (eb_stream); - - expect_prompt (); - - need_gi = 1; - } - -/* The "process" (board) is already stopped awaiting our commands, and - the program is already downloaded. We just set its PC and go. */ - - clear_proceed_status (); - - /* Tell wait_for_inferior that we've started a new process. */ - init_wait_for_inferior (); - - /* Set up the "saved terminal modes" of the inferior - based on what modes we are starting it with. */ - target_terminal_init (); - - /* Install inferior's terminal modes. */ - target_terminal_inferior (); - - /* insert_step_breakpoint (); FIXME, do we need this? */ - proceed ((CORE_ADDR)entry_pt, TARGET_SIGNAL_DEFAULT, 0); /* Let 'er rip... */ -} - -/* Translate baud rates from integers to damn B_codes. Unix should - have outgrown this crap years ago, but even POSIX wouldn't buck it. */ - -#ifndef B19200 -#define B19200 EXTA -#endif -#ifndef B38400 -#define B38400 EXTB -#endif - -struct {int rate, damn_b;} baudtab[] = { - {0, B0}, - {50, B50}, - {75, B75}, - {110, B110}, - {134, B134}, - {150, B150}, - {200, B200}, - {300, B300}, - {600, B600}, - {1200, B1200}, - {1800, B1800}, - {2400, B2400}, - {4800, B4800}, - {9600, B9600}, - {19200, B19200}, - {38400, B38400}, - {-1, -1}, -}; - -int damn_b (rate) - int rate; -{ - int i; - - for (i = 0; baudtab[i].rate != -1; i++) - if (rate == baudtab[i].rate) return baudtab[i].damn_b; - return B38400; /* Random */ -} - - -/* Open a connection to a remote debugger. - NAME is the filename used for communication, then a space, - then the name of the program as we should name it to EBMON. */ - -static int baudrate = 9600; -static char *dev_name; -void -eb_open (name, from_tty) - char *name; - int from_tty; -{ - TERMINAL sg; - - char *p; - - target_preopen (from_tty); - - /* Find the first whitespace character, it separates dev_name from - prog_name. */ - if (name == 0) - goto erroid; - - for (p = name; - *p != '\0' && !isspace (*p); p++) - ; - if (*p == '\0') -erroid: - error ("\ -Please include the name of the device for the serial port,\n\ -the baud rate, and the name of the program to run on the remote system."); - dev_name = alloca (p - name + 1); - strncpy (dev_name, name, p - name); - dev_name[p - name] = '\0'; - - /* Skip over the whitespace after dev_name */ - for (; isspace (*p); p++) - /*EMPTY*/; - - if (1 != sscanf (p, "%d ", &baudrate)) - goto erroid; - - /* Skip the number and then the spaces */ - for (; isdigit (*p); p++) - /*EMPTY*/; - for (; isspace (*p); p++) - /*EMPTY*/; - - if (prog_name != NULL) - free (prog_name); - prog_name = savestring (p, strlen (p)); - - eb_close (0); - - eb_desc = open (dev_name, O_RDWR); - if (eb_desc < 0) - perror_with_name (dev_name); - ioctl (eb_desc, TIOCGETP, &sg); -#ifdef HAVE_TERMIO - sg.c_cc[VMIN] = 0; /* read with timeout. */ - sg.c_cc[VTIME] = timeout * 10; - sg.c_lflag &= ~(ICANON | ECHO); - sg.c_cflag = (sg.c_cflag & ~CBAUD) | damn_b (baudrate); -#else - sg.sg_ispeed = damn_b (baudrate); - sg.sg_ospeed = damn_b (baudrate); - sg.sg_flags |= RAW | ANYP; - sg.sg_flags &= ~ECHO; -#endif - - ioctl (eb_desc, TIOCSETP, &sg); - eb_stream = fdopen (eb_desc, "r+"); - - push_target (&eb_ops); - if (from_tty) - printf ("Remote %s debugging %s using %s\n", target_shortname, - prog_name, dev_name); - -#ifndef HAVE_TERMIO -#ifndef NO_SIGINTERRUPT - /* Cause SIGALRM's to make reads fail with EINTR instead of resuming - the read. */ - if (siginterrupt (SIGALRM, 1) != 0) - perror ("eb_open: error in siginterrupt"); -#endif - - /* Set up read timeout timer. */ - if ((void (*)) signal (SIGALRM, eb_timer) == (void (*)) -1) - perror ("eb_open: error in signal"); -#endif - -#if defined (LOG_FILE) - log_file = fopen (LOG_FILE, "w"); - if (log_file == NULL) - perror_with_name (LOG_FILE); -#endif - - /* Hello? Are you there? */ - write (eb_desc, "\n", 1); - - expect_prompt (); -} - -/* Close out all files and local state before this target loses control. */ - -static void -eb_close (quitting) - int quitting; -{ - - /* Due to a bug in Unix, fclose closes not only the stdio stream, - but also the file descriptor. So we don't actually close - eb_desc. */ - if (eb_stream) - fclose (eb_stream); /* This also closes eb_desc */ - if (eb_desc >= 0) - /* close (eb_desc); */ - - /* Do not try to close eb_desc again, later in the program. */ - eb_stream = NULL; - eb_desc = -1; - -#if defined (LOG_FILE) - if (log_file) { - if (ferror (log_file)) - printf ("Error writing log file.\n"); - if (fclose (log_file) != 0) - printf ("Error closing log file.\n"); - } -#endif -} - -/* Terminate the open connection to the remote debugger. - Use this when you want to detach and do something else - with your gdb. */ -void -eb_detach (from_tty) - int from_tty; -{ - pop_target(); /* calls eb_close to do the real work */ - if (from_tty) - printf ("Ending remote %s debugging\n", target_shortname); -} - -/* Tell the remote machine to resume. */ - -void -eb_resume (pid, step, sig) - int pid, step; - enum target_signal sig; -{ - if (step) - { - write (eb_desc, "t 1,s\n", 6); - /* Wait for the echo. */ - expect ("t 1,s\r"); - /* Then comes a line containing the instruction we stepped to. */ - expect ("\n@"); - /* Then we get the prompt. */ - expect_prompt (); - - /* Force the next eb_wait to return a trap. Not doing anything - about I/O from the target means that the user has to type - "continue" to see any. This should be fixed. */ - need_artificial_trap = 1; - } - else - { - if (need_gi) - { - need_gi = 0; - write (eb_desc, "gi\n", 3); - - /* Swallow the echo of "gi". */ - expect ("gi\r"); - } - else - { - write (eb_desc, "GR\n", 3); - /* Swallow the echo. */ - expect ("GR\r"); - } - } -} - -/* Wait until the remote machine stops, then return, - storing status in STATUS just as `wait' would. */ - -int -eb_wait (status) - struct target_waitstatus *status; -{ - /* Strings to look for. '?' means match any single character. - Note that with the algorithm we use, the initial character - of the string cannot recur in the string, or we will not - find some cases of the string in the input. */ - - static char bpt[] = "Invalid interrupt taken - #0x50 - "; - /* It would be tempting to look for "\n[__exit + 0x8]\n" - but that requires loading symbols with "yc i" and even if - we did do that we don't know that the file has symbols. */ - static char exitmsg[] = "\n@????????I JMPTI GR121,LR0"; - char *bp = bpt; - char *ep = exitmsg; - - /* Large enough for either sizeof (bpt) or sizeof (exitmsg) chars. */ - char swallowed[50]; - /* Current position in swallowed. */ - char *swallowed_p = swallowed; - - int ch; - int ch_handled; - - int old_timeout = timeout; - - status->kind = TARGET_WAITKIND_EXITED; - status->value.integer = 0; - - if (need_artificial_trap != 0) - { - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TRAP; - need_artificial_trap--; - return 0; - } - - timeout = 0; /* Don't time out -- user program is running. */ - while (1) - { - ch_handled = 0; - ch = readchar (); - if (ch == *bp) - { - bp++; - if (*bp == '\0') - break; - ch_handled = 1; - - *swallowed_p++ = ch; - } - else - bp = bpt; - - if (ch == *ep || *ep == '?') - { - ep++; - if (*ep == '\0') - break; - - if (!ch_handled) - *swallowed_p++ = ch; - ch_handled = 1; - } - else - ep = exitmsg; - - if (!ch_handled) - { - char *p; - - /* Print out any characters which have been swallowed. */ - for (p = swallowed; p < swallowed_p; ++p) - putc (*p, stdout); - swallowed_p = swallowed; - - putc (ch, stdout); - } - } - expect_prompt (); - if (*bp== '\0') - { - status->kind = TARGET_WAITKIND_STOPPED; - status->value.sig = TARGET_SIGNAL_TRAP; - } - else - { - status->kind = TARGET_WAITKIND_EXITED; - status->value.integer = 0; - } - timeout = old_timeout; - - return 0; -} - -/* Return the name of register number REGNO - in the form input and output by EBMON. - - Returns a pointer to a static buffer containing the answer. */ -static char * -get_reg_name (regno) - int regno; -{ - static char buf[80]; - if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) - sprintf (buf, "GR%03d", regno - GR96_REGNUM + 96); - else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) - sprintf (buf, "LR%03d", regno - LR0_REGNUM); - else if (regno == Q_REGNUM) - strcpy (buf, "SR131"); - else if (regno >= BP_REGNUM && regno <= CR_REGNUM) - sprintf (buf, "SR%03d", regno - BP_REGNUM + 133); - else if (regno == ALU_REGNUM) - strcpy (buf, "SR132"); - else if (regno >= IPC_REGNUM && regno <= IPB_REGNUM) - sprintf (buf, "SR%03d", regno - IPC_REGNUM + 128); - else if (regno >= VAB_REGNUM && regno <= LRU_REGNUM) - sprintf (buf, "SR%03d", regno - VAB_REGNUM); - else if (regno == GR1_REGNUM) - strcpy (buf, "GR001"); - return buf; -} - -/* Read the remote registers into the block REGS. */ - -static void -eb_fetch_registers () -{ - int reg_index; - int regnum_index; - char tempbuf[10]; - int i; - -#if 0 - /* This should not be necessary, because one is supposed to read the - registers only when the inferior is stopped (at least with - ptrace() and why not make it the same for remote?). */ - /* ^A is the "normal character" used to make sure we are talking to EBMON - and not to the program being debugged. */ - write (eb_desc, "\001\n"); - expect_prompt (); -#endif - - write (eb_desc, "dw gr96,gr127\n", 14); - for (reg_index = 96, regnum_index = GR96_REGNUM; - reg_index < 128; - reg_index += 4, regnum_index += 4) - { - sprintf (tempbuf, "GR%03d ", reg_index); - expect (tempbuf); - get_hex_regs (4, regnum_index); - expect ("\n"); - } - - for (i = 0; i < 128; i += 32) - { - /* The PC has a tendency to hang if we get these - all in one fell swoop ("dw lr0,lr127"). */ - sprintf (tempbuf, "dw lr%d\n", i); - write (eb_desc, tempbuf, strlen (tempbuf)); - for (reg_index = i, regnum_index = LR0_REGNUM + i; - reg_index < i + 32; - reg_index += 4, regnum_index += 4) - { - sprintf (tempbuf, "LR%03d ", reg_index); - expect (tempbuf); - get_hex_regs (4, regnum_index); - expect ("\n"); - } - } - - write (eb_desc, "dw sr133,sr133\n", 15); - expect ("SR133 "); - get_hex_regs (1, BP_REGNUM); - expect ("\n"); - - write (eb_desc, "dw sr134,sr134\n", 15); - expect ("SR134 "); - get_hex_regs (1, FC_REGNUM); - expect ("\n"); - - write (eb_desc, "dw sr135,sr135\n", 15); - expect ("SR135 "); - get_hex_regs (1, CR_REGNUM); - expect ("\n"); - - write (eb_desc, "dw sr131,sr131\n", 15); - expect ("SR131 "); - get_hex_regs (1, Q_REGNUM); - expect ("\n"); - - write (eb_desc, "dw sr0,sr14\n", 12); - for (reg_index = 0, regnum_index = VAB_REGNUM; - regnum_index <= LRU_REGNUM; - regnum_index += 4, reg_index += 4) - { - sprintf (tempbuf, "SR%03d ", reg_index); - expect (tempbuf); - get_hex_regs (reg_index == 12 ? 3 : 4, regnum_index); - expect ("\n"); - } - - /* There doesn't seem to be any way to get these. */ - { - int val = -1; - supply_register (FPE_REGNUM, (char *) &val); - supply_register (INTE_REGNUM, (char *) &val); - supply_register (FPS_REGNUM, (char *) &val); - supply_register (EXO_REGNUM, (char *) &val); - } - - write (eb_desc, "dw gr1,gr1\n", 11); - expect ("GR001 "); - get_hex_regs (1, GR1_REGNUM); - expect_prompt (); -} - -/* Fetch register REGNO, or all registers if REGNO is -1. - Returns errno value. */ -void -eb_fetch_register (regno) - int regno; -{ - if (regno == -1) - eb_fetch_registers (); - else - { - char *name = get_reg_name (regno); - fprintf (eb_stream, "dw %s,%s\n", name, name); - expect (name); - expect (" "); - get_hex_regs (1, regno); - expect_prompt (); - } - return; -} - -/* Store the remote registers from the contents of the block REGS. */ - -static void -eb_store_registers () -{ - int i, j; - fprintf (eb_stream, "s gr1,%x\n", read_register (GR1_REGNUM)); - expect_prompt (); - - for (j = 0; j < 32; j += 16) - { - fprintf (eb_stream, "s gr%d,", j + 96); - for (i = 0; i < 15; ++i) - fprintf (eb_stream, "%x,", read_register (GR96_REGNUM + j + i)); - fprintf (eb_stream, "%x\n", read_register (GR96_REGNUM + j + 15)); - expect_prompt (); - } - - for (j = 0; j < 128; j += 16) - { - fprintf (eb_stream, "s lr%d,", j); - for (i = 0; i < 15; ++i) - fprintf (eb_stream, "%x,", read_register (LR0_REGNUM + j + i)); - fprintf (eb_stream, "%x\n", read_register (LR0_REGNUM + j + 15)); - expect_prompt (); - } - - fprintf (eb_stream, "s sr133,%x,%x,%x\n", read_register (BP_REGNUM), - read_register (FC_REGNUM), read_register (CR_REGNUM)); - expect_prompt (); - fprintf (eb_stream, "s sr131,%x\n", read_register (Q_REGNUM)); - expect_prompt (); - fprintf (eb_stream, "s sr0,"); - for (i = 0; i < 11; ++i) - fprintf (eb_stream, "%x,", read_register (VAB_REGNUM + i)); - fprintf (eb_stream, "%x\n", read_register (VAB_REGNUM + 11)); - expect_prompt (); -} - -/* Store register REGNO, or all if REGNO == 0. - Return errno value. */ -void -eb_store_register (regno) - int regno; -{ - if (regno == -1) - eb_store_registers (); - else - { - char *name = get_reg_name (regno); - fprintf (eb_stream, "s %s,%x\n", name, read_register (regno)); - /* Setting GR1 changes the numbers of all the locals, so - invalidate the register cache. Do this *after* calling - read_register, because we want read_register to return the - value that write_register has just stuffed into the registers - array, not the value of the register fetched from the - inferior. */ - if (regno == GR1_REGNUM) - registers_changed (); - expect_prompt (); - } -} - -/* 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. */ - -void -eb_prepare_to_store () -{ - /* Do nothing, since we can store individual regs */ -} - - -/* FIXME-someday! Merge these two. */ -int -eb_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 eb_write_inferior_memory (memaddr, myaddr, len); - else - return eb_read_inferior_memory (memaddr, myaddr, len); -} - -void -eb_files_info () -{ - printf ("\tAttached to %s at %d baud and running program %s.\n", - dev_name, baudrate, prog_name); -} - -/* Copy LEN bytes of data from debugger memory at MYADDR - to inferior's memory at MEMADDR. Returns length moved. */ -int -eb_write_inferior_memory (memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; -{ - int i; - - for (i = 0; i < len; i++) - { - if ((i % 16) == 0) - fprintf (eb_stream, "sb %x,", memaddr + i); - if ((i % 16) == 15 || i == len - 1) - { - fprintf (eb_stream, "%x\n", ((unsigned char *)myaddr)[i]); - expect_prompt (); - } - else - fprintf (eb_stream, "%x,", ((unsigned char *)myaddr)[i]); - } - return len; -} - -/* Read LEN bytes from inferior memory at MEMADDR. Put the result - at debugger address MYADDR. Returns length moved. */ -int -eb_read_inferior_memory(memaddr, myaddr, len) - CORE_ADDR memaddr; - char *myaddr; - int len; -{ - int i; - - /* 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; - - /* 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 - eb_read_bytes (CORE_ADDR_MAX - 4, foo, 4) - works--it never adds len to memaddr and gets 0. */ - /* However, something like - eb_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; - } - - 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); - - fprintf (eb_stream, "db %x,%x\n", startaddr, - (startaddr - 1) + len_this_pass); - expect ("\n"); - - /* Look for 8 hex digits. */ - i = 0; - while (1) - { - if (isxdigit (readchar ())) - ++i; - else - { - expect_prompt (); - error ("Hex digit expected from remote system."); - } - if (i >= 8) - break; - } - - expect (" "); - - for (i = 0; i < len_this_pass; i++) - get_hex_byte (&myaddr[count++]); - - expect_prompt (); - - startaddr += len_this_pass; - } - return len; -} - -static void -eb_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. */ - -void -eb_mourn_inferior () -{ - remove_breakpoints (); - unpush_target (&eb_ops); - generic_mourn_inferior (); /* Do all the proper things now */ -} -/* Define the target subroutine names */ - -struct target_ops eb_ops = { - "amd-eb", "Remote serial AMD EBMON target", - "Use a remote computer running EBMON connected by a serial line.\n\ -Arguments are the name of the device for the serial line,\n\ -the speed to connect at in bits per second, and the filename of the\n\ -executable as it exists on the remote computer. For example,\n\ - target amd-eb /dev/ttya 9600 demo", - eb_open, eb_close, - 0, eb_detach, eb_resume, eb_wait, - eb_fetch_register, eb_store_register, - eb_prepare_to_store, - eb_xfer_inferior_memory, eb_files_info, - 0, 0, /* Breakpoints */ - 0, 0, 0, 0, 0, /* Terminal handling */ - eb_kill, - generic_load, /* load */ - 0, /* lookup_symbol */ - eb_create_inferior, - eb_mourn_inferior, - 0, /* can_run */ - 0, /* notice_signals */ - 0, /* to_stop */ - process_stratum, 0, /* next */ - 1, 1, 1, 1, 1, /* all mem, mem, stack, regs, exec */ - 0, 0, /* Section pointers */ - OPS_MAGIC, /* Always the last thing */ -}; - -void -_initialize_remote_eb () -{ - add_target (&eb_ops); -} +/* OBSOLETE /* Remote debugging interface for AMD 29000 EBMON on IBM PC, for GDB. */ +/* OBSOLETE Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001 */ +/* OBSOLETE Free Software Foundation, Inc. */ +/* OBSOLETE Contributed by Cygnus Support. Written by Jim Kingdon for Cygnus. */ +/* OBSOLETE */ +/* OBSOLETE This file is part of GDB. */ +/* OBSOLETE */ +/* OBSOLETE This program is free software; you can redistribute it and/or modify */ +/* OBSOLETE it under the terms of the GNU General Public License as published by */ +/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ +/* OBSOLETE (at your option) any later version. */ +/* OBSOLETE */ +/* OBSOLETE This program is distributed in the hope that it will be useful, */ +/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* OBSOLETE GNU General Public License for more details. */ +/* OBSOLETE */ +/* OBSOLETE You should have received a copy of the GNU General Public License */ +/* OBSOLETE along with this program; if not, write to the Free Software */ +/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */ +/* OBSOLETE Boston, MA 02111-1307, USA. */ */ +/* OBSOLETE */ +/* OBSOLETE /* This is like remote.c but is for an esoteric situation-- */ +/* OBSOLETE having a a29k board in a PC hooked up to a unix machine with */ +/* OBSOLETE a serial line, and running ctty com1 on the PC, through which */ +/* OBSOLETE the unix machine can run ebmon. Not to mention that the PC */ +/* OBSOLETE has PC/NFS, so it can access the same executables that gdb can, */ +/* OBSOLETE over the net in real time. */ */ +/* OBSOLETE */ +/* OBSOLETE #include "defs.h" */ +/* OBSOLETE #include "gdb_string.h" */ +/* OBSOLETE #include "regcache.h" */ +/* OBSOLETE */ +/* OBSOLETE #include "inferior.h" */ +/* OBSOLETE #include "bfd.h" */ +/* OBSOLETE #include "symfile.h" */ +/* OBSOLETE #include "value.h" */ +/* OBSOLETE #include */ +/* OBSOLETE #include */ +/* OBSOLETE #include */ +/* OBSOLETE #include */ +/* OBSOLETE #include "terminal.h" */ +/* OBSOLETE #include "target.h" */ +/* OBSOLETE #include "gdbcore.h" */ +/* OBSOLETE */ +/* OBSOLETE extern struct target_ops eb_ops; /* Forward declaration */ */ +/* OBSOLETE */ +/* OBSOLETE static void eb_close (); */ +/* OBSOLETE */ +/* OBSOLETE #define LOG_FILE "eb.log" */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE FILE *log_file; */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE static int timeout = 24; */ +/* OBSOLETE */ +/* OBSOLETE /* Descriptor for I/O to remote machine. Initialize it to -1 so that */ +/* OBSOLETE eb_open knows that we don't have a file open when the program */ +/* OBSOLETE starts. */ */ +/* OBSOLETE int eb_desc = -1; */ +/* OBSOLETE */ +/* OBSOLETE /* stream which is fdopen'd from eb_desc. Only valid when */ +/* OBSOLETE eb_desc != -1. */ */ +/* OBSOLETE FILE *eb_stream; */ +/* OBSOLETE */ +/* OBSOLETE /* Read a character from the remote system, doing all the fancy */ +/* OBSOLETE timeout stuff. */ */ +/* OBSOLETE static int */ +/* OBSOLETE readchar (void) */ +/* OBSOLETE { */ +/* OBSOLETE char buf; */ +/* OBSOLETE */ +/* OBSOLETE buf = '\0'; */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE /* termio does the timeout for us. */ */ +/* OBSOLETE read (eb_desc, &buf, 1); */ +/* OBSOLETE #else */ +/* OBSOLETE alarm (timeout); */ +/* OBSOLETE if (read (eb_desc, &buf, 1) < 0) */ +/* OBSOLETE { */ +/* OBSOLETE if (errno == EINTR) */ +/* OBSOLETE error ("Timeout reading from remote system."); */ +/* OBSOLETE else */ +/* OBSOLETE perror_with_name ("remote"); */ +/* OBSOLETE } */ +/* OBSOLETE alarm (0); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE if (buf == '\0') */ +/* OBSOLETE error ("Timeout reading from remote system."); */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE putc (buf & 0x7f, log_file); */ +/* OBSOLETE #endif */ +/* OBSOLETE return buf & 0x7f; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Keep discarding input from the remote system, until STRING is found. */ +/* OBSOLETE Let the user break out immediately. */ */ +/* OBSOLETE static void */ +/* OBSOLETE expect (char *string) */ +/* OBSOLETE { */ +/* OBSOLETE char *p = string; */ +/* OBSOLETE */ +/* OBSOLETE immediate_quit++; */ +/* OBSOLETE while (1) */ +/* OBSOLETE { */ +/* OBSOLETE if (readchar () == *p) */ +/* OBSOLETE { */ +/* OBSOLETE p++; */ +/* OBSOLETE if (*p == '\0') */ +/* OBSOLETE { */ +/* OBSOLETE immediate_quit--; */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE p = string; */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Keep discarding input until we see the ebmon prompt. */ +/* OBSOLETE */ +/* OBSOLETE The convention for dealing with the prompt is that you */ +/* OBSOLETE o give your command */ +/* OBSOLETE o *then* wait for the prompt. */ +/* OBSOLETE */ +/* OBSOLETE Thus the last thing that a procedure does with the serial line */ +/* OBSOLETE will be an expect_prompt(). Exception: eb_resume does not */ +/* OBSOLETE wait for the prompt, because the terminal is being handed over */ +/* OBSOLETE to the inferior. However, the next thing which happens after that */ +/* OBSOLETE is a eb_wait which does wait for the prompt. */ +/* OBSOLETE Note that this includes abnormal exit, e.g. error(). This is */ +/* OBSOLETE necessary to prevent getting into states from which we can't */ +/* OBSOLETE recover. */ */ +/* OBSOLETE static void */ +/* OBSOLETE expect_prompt (void) */ +/* OBSOLETE { */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE /* This is a convenient place to do this. The idea is to do it often */ +/* OBSOLETE enough that we never lose much data if we terminate abnormally. */ */ +/* OBSOLETE fflush (log_file); */ +/* OBSOLETE #endif */ +/* OBSOLETE expect ("\n# "); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Get a hex digit from the remote system & return its value. */ +/* OBSOLETE If ignore_space is nonzero, ignore spaces (not newline, tab, etc). */ */ +/* OBSOLETE static int */ +/* OBSOLETE get_hex_digit (int ignore_space) */ +/* OBSOLETE { */ +/* OBSOLETE int ch; */ +/* OBSOLETE while (1) */ +/* OBSOLETE { */ +/* OBSOLETE ch = readchar (); */ +/* OBSOLETE if (ch >= '0' && ch <= '9') */ +/* OBSOLETE return ch - '0'; */ +/* OBSOLETE else if (ch >= 'A' && ch <= 'F') */ +/* OBSOLETE return ch - 'A' + 10; */ +/* OBSOLETE else if (ch >= 'a' && ch <= 'f') */ +/* OBSOLETE return ch - 'a' + 10; */ +/* OBSOLETE else if (ch == ' ' && ignore_space) */ +/* OBSOLETE ; */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE error ("Invalid hex digit from remote system."); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Get a byte from eb_desc and put it in *BYT. Accept any number */ +/* OBSOLETE leading spaces. */ */ +/* OBSOLETE static void */ +/* OBSOLETE get_hex_byte (char *byt) */ +/* OBSOLETE { */ +/* OBSOLETE int val; */ +/* OBSOLETE */ +/* OBSOLETE val = get_hex_digit (1) << 4; */ +/* OBSOLETE val |= get_hex_digit (0); */ +/* OBSOLETE *byt = val; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Get N 32-bit words from remote, each preceded by a space, */ +/* OBSOLETE and put them in registers starting at REGNO. */ */ +/* OBSOLETE static void */ +/* OBSOLETE get_hex_regs (int n, int regno) */ +/* OBSOLETE { */ +/* OBSOLETE long val; */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE for (i = 0; i < n; i++) */ +/* OBSOLETE { */ +/* OBSOLETE int j; */ +/* OBSOLETE */ +/* OBSOLETE val = 0; */ +/* OBSOLETE for (j = 0; j < 8; j++) */ +/* OBSOLETE val = (val << 4) + get_hex_digit (j == 0); */ +/* OBSOLETE supply_register (regno++, (char *) &val); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Called when SIGALRM signal sent due to alarm() timeout. */ */ +/* OBSOLETE #ifndef HAVE_TERMIO */ +/* OBSOLETE */ +/* OBSOLETE volatile int n_alarms; */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE eb_timer (void) */ +/* OBSOLETE { */ +/* OBSOLETE #if 0 */ +/* OBSOLETE if (kiodebug) */ +/* OBSOLETE printf ("eb_timer called\n"); */ +/* OBSOLETE #endif */ +/* OBSOLETE n_alarms++; */ +/* OBSOLETE } */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE /* malloc'd name of the program on the remote system. */ */ +/* OBSOLETE static char *prog_name = NULL; */ +/* OBSOLETE */ +/* OBSOLETE /* Nonzero if we have loaded the file ("yc") and not yet issued a "gi" */ +/* OBSOLETE command. "gi" is supposed to happen exactly once for each "yc". */ */ +/* OBSOLETE static int need_gi = 0; */ +/* OBSOLETE */ +/* OBSOLETE /* Number of SIGTRAPs we need to simulate. That is, the next */ +/* OBSOLETE NEED_ARTIFICIAL_TRAP calls to eb_wait should just return */ +/* OBSOLETE SIGTRAP without actually waiting for anything. */ */ +/* OBSOLETE */ +/* OBSOLETE static int need_artificial_trap = 0; */ +/* OBSOLETE */ +/* OBSOLETE /* This is called not only when we first attach, but also when the */ +/* OBSOLETE user types "run" after having attached. */ */ +/* OBSOLETE static void */ +/* OBSOLETE eb_create_inferior (char *execfile, char *args, char **env) */ +/* OBSOLETE { */ +/* OBSOLETE int entry_pt; */ +/* OBSOLETE */ +/* OBSOLETE if (args && *args) */ +/* OBSOLETE error ("Can't pass arguments to remote EBMON 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 { */ +/* OBSOLETE /* OK, now read in the file. Y=read, C=COFF, D=no symbols */ +/* OBSOLETE 0=start address, %s=filename. */ */ +/* OBSOLETE */ +/* OBSOLETE fprintf (eb_stream, "YC D,0:%s", prog_name); */ +/* OBSOLETE */ +/* OBSOLETE if (args != NULL) */ +/* OBSOLETE fprintf (eb_stream, " %s", args); */ +/* OBSOLETE */ +/* OBSOLETE fprintf (eb_stream, "\n"); */ +/* OBSOLETE fflush (eb_stream); */ +/* OBSOLETE */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE */ +/* OBSOLETE need_gi = 1; */ +/* OBSOLETE } */ +/* 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 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 proceed ((CORE_ADDR) entry_pt, TARGET_SIGNAL_DEFAULT, 0); /* Let 'er rip... */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Translate baud rates from integers to damn B_codes. Unix should */ +/* OBSOLETE have outgrown this crap years ago, but even POSIX wouldn't buck it. */ */ +/* OBSOLETE */ +/* OBSOLETE #ifndef B19200 */ +/* OBSOLETE #define B19200 EXTA */ +/* OBSOLETE #endif */ +/* OBSOLETE #ifndef B38400 */ +/* OBSOLETE #define B38400 EXTB */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE struct */ +/* OBSOLETE { */ +/* OBSOLETE int rate, damn_b; */ +/* OBSOLETE } */ +/* OBSOLETE baudtab[] = */ +/* OBSOLETE { */ +/* OBSOLETE { */ +/* OBSOLETE 0, B0 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 50, B50 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 75, B75 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 110, B110 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 134, B134 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 150, B150 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 200, B200 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 300, B300 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 600, B600 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 1200, B1200 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 1800, B1800 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 2400, B2400 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 4800, B4800 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 9600, B9600 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 19200, B19200 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE 38400, B38400 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE { */ +/* OBSOLETE -1, -1 */ +/* OBSOLETE } */ +/* OBSOLETE , */ +/* OBSOLETE }; */ +/* OBSOLETE */ +/* OBSOLETE int */ +/* OBSOLETE damn_b (int rate) */ +/* OBSOLETE { */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE for (i = 0; baudtab[i].rate != -1; i++) */ +/* OBSOLETE if (rate == baudtab[i].rate) */ +/* OBSOLETE return baudtab[i].damn_b; */ +/* OBSOLETE return B38400; /* Random */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* Open a connection to a remote debugger. */ +/* OBSOLETE NAME is the filename used for communication, then a space, */ +/* OBSOLETE then the name of the program as we should name it to EBMON. */ */ +/* OBSOLETE */ +/* OBSOLETE static int baudrate = 9600; */ +/* OBSOLETE static char *dev_name; */ +/* OBSOLETE void */ +/* OBSOLETE eb_open (char *name, int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE TERMINAL sg; */ +/* OBSOLETE */ +/* OBSOLETE char *p; */ +/* OBSOLETE */ +/* OBSOLETE target_preopen (from_tty); */ +/* OBSOLETE */ +/* OBSOLETE /* Find the first whitespace character, it separates dev_name from */ +/* OBSOLETE prog_name. */ */ +/* OBSOLETE if (name == 0) */ +/* OBSOLETE goto erroid; */ +/* OBSOLETE */ +/* OBSOLETE for (p = name; */ +/* OBSOLETE *p != '\0' && !isspace (*p); p++) */ +/* OBSOLETE ; */ +/* OBSOLETE if (*p == '\0') */ +/* OBSOLETE erroid: */ +/* OBSOLETE error ("\ */ +/* OBSOLETE Please include the name of the device for the serial port,\n\ */ +/* OBSOLETE the baud rate, and the name of the program to run on the remote system."); */ +/* OBSOLETE dev_name = alloca (p - name + 1); */ +/* OBSOLETE strncpy (dev_name, name, p - name); */ +/* OBSOLETE dev_name[p - name] = '\0'; */ +/* OBSOLETE */ +/* OBSOLETE /* Skip over the whitespace after dev_name */ */ +/* OBSOLETE for (; isspace (*p); p++) */ +/* OBSOLETE /*EMPTY */ ; */ +/* OBSOLETE */ +/* OBSOLETE if (1 != sscanf (p, "%d ", &baudrate)) */ +/* OBSOLETE goto erroid; */ +/* OBSOLETE */ +/* OBSOLETE /* Skip the number and then the spaces */ */ +/* OBSOLETE for (; isdigit (*p); p++) */ +/* OBSOLETE /*EMPTY */ ; */ +/* OBSOLETE for (; isspace (*p); p++) */ +/* OBSOLETE /*EMPTY */ ; */ +/* OBSOLETE */ +/* OBSOLETE if (prog_name != NULL) */ +/* OBSOLETE xfree (prog_name); */ +/* OBSOLETE prog_name = savestring (p, strlen (p)); */ +/* OBSOLETE */ +/* OBSOLETE eb_close (0); */ +/* OBSOLETE */ +/* OBSOLETE eb_desc = open (dev_name, O_RDWR); */ +/* OBSOLETE if (eb_desc < 0) */ +/* OBSOLETE perror_with_name (dev_name); */ +/* OBSOLETE ioctl (eb_desc, TIOCGETP, &sg); */ +/* OBSOLETE #ifdef HAVE_TERMIO */ +/* OBSOLETE sg.c_cc[VMIN] = 0; /* read with timeout. */ */ +/* OBSOLETE sg.c_cc[VTIME] = timeout * 10; */ +/* OBSOLETE sg.c_lflag &= ~(ICANON | ECHO); */ +/* OBSOLETE sg.c_cflag = (sg.c_cflag & ~CBAUD) | damn_b (baudrate); */ +/* OBSOLETE #else */ +/* OBSOLETE sg.sg_ispeed = damn_b (baudrate); */ +/* OBSOLETE sg.sg_ospeed = damn_b (baudrate); */ +/* OBSOLETE sg.sg_flags |= RAW | ANYP; */ +/* OBSOLETE sg.sg_flags &= ~ECHO; */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE ioctl (eb_desc, TIOCSETP, &sg); */ +/* OBSOLETE eb_stream = fdopen (eb_desc, "r+"); */ +/* OBSOLETE */ +/* OBSOLETE push_target (&eb_ops); */ +/* OBSOLETE if (from_tty) */ +/* OBSOLETE printf ("Remote %s debugging %s using %s\n", target_shortname, */ +/* OBSOLETE prog_name, dev_name); */ +/* OBSOLETE */ +/* OBSOLETE #ifndef HAVE_TERMIO */ +/* OBSOLETE #ifndef NO_SIGINTERRUPT */ +/* OBSOLETE /* Cause SIGALRM's to make reads fail with EINTR instead of resuming */ +/* OBSOLETE the read. */ */ +/* OBSOLETE if (siginterrupt (SIGALRM, 1) != 0) */ +/* OBSOLETE perror ("eb_open: error in siginterrupt"); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE /* Set up read timeout timer. */ */ +/* OBSOLETE if ((void (*)) signal (SIGALRM, eb_timer) == (void (*)) -1) */ +/* OBSOLETE perror ("eb_open: error in signal"); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE log_file = fopen (LOG_FILE, "w"); */ +/* OBSOLETE if (log_file == NULL) */ +/* OBSOLETE perror_with_name (LOG_FILE); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE /* Hello? Are you there? */ */ +/* OBSOLETE write (eb_desc, "\n", 1); */ +/* OBSOLETE */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Close out all files and local state before this target loses control. */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE eb_close (int quitting) */ +/* OBSOLETE { */ +/* OBSOLETE */ +/* OBSOLETE /* Due to a bug in Unix, fclose closes not only the stdio stream, */ +/* OBSOLETE but also the file descriptor. So we don't actually close */ +/* OBSOLETE eb_desc. */ */ +/* OBSOLETE if (eb_stream) */ +/* OBSOLETE fclose (eb_stream); /* This also closes eb_desc */ */ +/* OBSOLETE if (eb_desc >= 0) */ +/* OBSOLETE /* close (eb_desc); */ */ +/* OBSOLETE */ +/* OBSOLETE /* Do not try to close eb_desc again, later in the program. */ */ +/* OBSOLETE eb_stream = NULL; */ +/* OBSOLETE eb_desc = -1; */ +/* OBSOLETE */ +/* OBSOLETE #if defined (LOG_FILE) */ +/* OBSOLETE if (log_file) */ +/* OBSOLETE { */ +/* OBSOLETE if (ferror (log_file)) */ +/* OBSOLETE printf ("Error writing log file.\n"); */ +/* OBSOLETE if (fclose (log_file) != 0) */ +/* OBSOLETE printf ("Error closing log file.\n"); */ +/* OBSOLETE } */ +/* OBSOLETE #endif */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Terminate the open connection to the remote debugger. */ +/* OBSOLETE Use this when you want to detach and do something else */ +/* OBSOLETE with your gdb. */ */ +/* OBSOLETE void */ +/* OBSOLETE eb_detach (int from_tty) */ +/* OBSOLETE { */ +/* OBSOLETE pop_target (); /* calls eb_close to do the real work */ */ +/* OBSOLETE if (from_tty) */ +/* OBSOLETE printf ("Ending remote %s debugging\n", target_shortname); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Tell the remote machine to resume. */ */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE eb_resume (ptid_t ptid, int step, enum target_signal sig) */ +/* OBSOLETE { */ +/* OBSOLETE if (step) */ +/* OBSOLETE { */ +/* OBSOLETE write (eb_desc, "t 1,s\n", 6); */ +/* OBSOLETE /* Wait for the echo. */ */ +/* OBSOLETE expect ("t 1,s\r"); */ +/* OBSOLETE /* Then comes a line containing the instruction we stepped to. */ */ +/* OBSOLETE expect ("\n@"); */ +/* OBSOLETE /* Then we get the prompt. */ */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE */ +/* OBSOLETE /* Force the next eb_wait to return a trap. Not doing anything */ +/* OBSOLETE about I/O from the target means that the user has to type */ +/* OBSOLETE "continue" to see any. This should be fixed. */ */ +/* OBSOLETE need_artificial_trap = 1; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE if (need_gi) */ +/* OBSOLETE { */ +/* OBSOLETE need_gi = 0; */ +/* OBSOLETE write (eb_desc, "gi\n", 3); */ +/* OBSOLETE */ +/* OBSOLETE /* Swallow the echo of "gi". */ */ +/* OBSOLETE expect ("gi\r"); */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE write (eb_desc, "GR\n", 3); */ +/* OBSOLETE /* Swallow the echo. */ */ +/* OBSOLETE expect ("GR\r"); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Wait until the remote machine stops, then return, */ +/* OBSOLETE storing status in STATUS just as `wait' would. */ */ +/* OBSOLETE */ +/* OBSOLETE ptid_t */ +/* OBSOLETE eb_wait (ptid_t ptid, struct target_waitstatus *status) */ +/* OBSOLETE { */ +/* OBSOLETE /* Strings to look for. '?' means match any single character. */ +/* OBSOLETE Note that with the algorithm we use, the initial character */ +/* OBSOLETE of the string cannot recur in the string, or we will not */ +/* OBSOLETE find some cases of the string in the input. */ */ +/* OBSOLETE */ +/* OBSOLETE static char bpt[] = "Invalid interrupt taken - #0x50 - "; */ +/* OBSOLETE /* It would be tempting to look for "\n[__exit + 0x8]\n" */ +/* OBSOLETE but that requires loading symbols with "yc i" and even if */ +/* OBSOLETE we did do that we don't know that the file has symbols. */ */ +/* OBSOLETE static char exitmsg[] = "\n@????????I JMPTI GR121,LR0"; */ +/* OBSOLETE char *bp = bpt; */ +/* OBSOLETE char *ep = exitmsg; */ +/* OBSOLETE */ +/* OBSOLETE /* Large enough for either sizeof (bpt) or sizeof (exitmsg) chars. */ */ +/* OBSOLETE char swallowed[50]; */ +/* OBSOLETE /* Current position in swallowed. */ */ +/* OBSOLETE char *swallowed_p = swallowed; */ +/* OBSOLETE */ +/* OBSOLETE int ch; */ +/* OBSOLETE int ch_handled; */ +/* OBSOLETE */ +/* OBSOLETE int old_timeout = timeout; */ +/* OBSOLETE */ +/* OBSOLETE status->kind = TARGET_WAITKIND_EXITED; */ +/* OBSOLETE status->value.integer = 0; */ +/* OBSOLETE */ +/* OBSOLETE if (need_artificial_trap != 0) */ +/* OBSOLETE { */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_TRAP; */ +/* OBSOLETE need_artificial_trap--; */ +/* OBSOLETE return 0; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE timeout = 0; /* Don't time out -- user program is running. */ */ +/* OBSOLETE while (1) */ +/* OBSOLETE { */ +/* OBSOLETE ch_handled = 0; */ +/* OBSOLETE ch = readchar (); */ +/* OBSOLETE if (ch == *bp) */ +/* OBSOLETE { */ +/* OBSOLETE bp++; */ +/* OBSOLETE if (*bp == '\0') */ +/* OBSOLETE break; */ +/* OBSOLETE ch_handled = 1; */ +/* OBSOLETE */ +/* OBSOLETE *swallowed_p++ = ch; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE bp = bpt; */ +/* OBSOLETE */ +/* OBSOLETE if (ch == *ep || *ep == '?') */ +/* OBSOLETE { */ +/* OBSOLETE ep++; */ +/* OBSOLETE if (*ep == '\0') */ +/* OBSOLETE break; */ +/* OBSOLETE */ +/* OBSOLETE if (!ch_handled) */ +/* OBSOLETE *swallowed_p++ = ch; */ +/* OBSOLETE ch_handled = 1; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE ep = exitmsg; */ +/* OBSOLETE */ +/* OBSOLETE if (!ch_handled) */ +/* OBSOLETE { */ +/* OBSOLETE char *p; */ +/* OBSOLETE */ +/* OBSOLETE /* Print out any characters which have been swallowed. */ */ +/* OBSOLETE for (p = swallowed; p < swallowed_p; ++p) */ +/* OBSOLETE putc (*p, stdout); */ +/* OBSOLETE swallowed_p = swallowed; */ +/* OBSOLETE */ +/* OBSOLETE putc (ch, stdout); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE if (*bp == '\0') */ +/* OBSOLETE { */ +/* OBSOLETE status->kind = TARGET_WAITKIND_STOPPED; */ +/* OBSOLETE status->value.sig = TARGET_SIGNAL_TRAP; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE status->kind = TARGET_WAITKIND_EXITED; */ +/* OBSOLETE status->value.integer = 0; */ +/* OBSOLETE } */ +/* OBSOLETE timeout = old_timeout; */ +/* OBSOLETE */ +/* OBSOLETE return 0; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Return the name of register number REGNO */ +/* OBSOLETE in the form input and output by EBMON. */ +/* OBSOLETE */ +/* OBSOLETE Returns a pointer to a static buffer containing the answer. */ */ +/* OBSOLETE static char * */ +/* OBSOLETE get_reg_name (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE static char buf[80]; */ +/* OBSOLETE if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32) */ +/* OBSOLETE sprintf (buf, "GR%03d", regno - GR96_REGNUM + 96); */ +/* OBSOLETE else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128) */ +/* OBSOLETE sprintf (buf, "LR%03d", regno - LR0_REGNUM); */ +/* OBSOLETE else if (regno == Q_REGNUM) */ +/* OBSOLETE strcpy (buf, "SR131"); */ +/* OBSOLETE else if (regno >= BP_REGNUM && regno <= CR_REGNUM) */ +/* OBSOLETE sprintf (buf, "SR%03d", regno - BP_REGNUM + 133); */ +/* OBSOLETE else if (regno == ALU_REGNUM) */ +/* OBSOLETE strcpy (buf, "SR132"); */ +/* OBSOLETE else if (regno >= IPC_REGNUM && regno <= IPB_REGNUM) */ +/* OBSOLETE sprintf (buf, "SR%03d", regno - IPC_REGNUM + 128); */ +/* OBSOLETE else if (regno >= VAB_REGNUM && regno <= LRU_REGNUM) */ +/* OBSOLETE sprintf (buf, "SR%03d", regno - VAB_REGNUM); */ +/* OBSOLETE else if (regno == GR1_REGNUM) */ +/* OBSOLETE strcpy (buf, "GR001"); */ +/* OBSOLETE return buf; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Read the remote registers into the block REGS. */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE eb_fetch_registers (void) */ +/* OBSOLETE { */ +/* OBSOLETE int reg_index; */ +/* OBSOLETE int regnum_index; */ +/* OBSOLETE char tempbuf[10]; */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE #if 0 */ +/* OBSOLETE /* This should not be necessary, because one is supposed to read the */ +/* OBSOLETE registers only when the inferior is stopped (at least with */ +/* OBSOLETE ptrace() and why not make it the same for remote?). */ */ +/* OBSOLETE /* ^A is the "normal character" used to make sure we are talking to EBMON */ +/* OBSOLETE and not to the program being debugged. */ */ +/* OBSOLETE write (eb_desc, "\001\n"); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE #endif */ +/* OBSOLETE */ +/* OBSOLETE write (eb_desc, "dw gr96,gr127\n", 14); */ +/* OBSOLETE for (reg_index = 96, regnum_index = GR96_REGNUM; */ +/* OBSOLETE reg_index < 128; */ +/* OBSOLETE reg_index += 4, regnum_index += 4) */ +/* OBSOLETE { */ +/* OBSOLETE sprintf (tempbuf, "GR%03d ", reg_index); */ +/* OBSOLETE expect (tempbuf); */ +/* OBSOLETE get_hex_regs (4, regnum_index); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE for (i = 0; i < 128; i += 32) */ +/* OBSOLETE { */ +/* OBSOLETE /* The PC has a tendency to hang if we get these */ +/* OBSOLETE all in one fell swoop ("dw lr0,lr127"). */ */ +/* OBSOLETE sprintf (tempbuf, "dw lr%d\n", i); */ +/* OBSOLETE write (eb_desc, tempbuf, strlen (tempbuf)); */ +/* OBSOLETE for (reg_index = i, regnum_index = LR0_REGNUM + i; */ +/* OBSOLETE reg_index < i + 32; */ +/* OBSOLETE reg_index += 4, regnum_index += 4) */ +/* OBSOLETE { */ +/* OBSOLETE sprintf (tempbuf, "LR%03d ", reg_index); */ +/* OBSOLETE expect (tempbuf); */ +/* OBSOLETE get_hex_regs (4, regnum_index); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE write (eb_desc, "dw sr133,sr133\n", 15); */ +/* OBSOLETE expect ("SR133 "); */ +/* OBSOLETE get_hex_regs (1, BP_REGNUM); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE */ +/* OBSOLETE write (eb_desc, "dw sr134,sr134\n", 15); */ +/* OBSOLETE expect ("SR134 "); */ +/* OBSOLETE get_hex_regs (1, FC_REGNUM); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE */ +/* OBSOLETE write (eb_desc, "dw sr135,sr135\n", 15); */ +/* OBSOLETE expect ("SR135 "); */ +/* OBSOLETE get_hex_regs (1, CR_REGNUM); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE */ +/* OBSOLETE write (eb_desc, "dw sr131,sr131\n", 15); */ +/* OBSOLETE expect ("SR131 "); */ +/* OBSOLETE get_hex_regs (1, Q_REGNUM); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE */ +/* OBSOLETE write (eb_desc, "dw sr0,sr14\n", 12); */ +/* OBSOLETE for (reg_index = 0, regnum_index = VAB_REGNUM; */ +/* OBSOLETE regnum_index <= LRU_REGNUM; */ +/* OBSOLETE regnum_index += 4, reg_index += 4) */ +/* OBSOLETE { */ +/* OBSOLETE sprintf (tempbuf, "SR%03d ", reg_index); */ +/* OBSOLETE expect (tempbuf); */ +/* OBSOLETE get_hex_regs (reg_index == 12 ? 3 : 4, regnum_index); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* There doesn't seem to be any way to get these. */ */ +/* OBSOLETE { */ +/* OBSOLETE int val = -1; */ +/* OBSOLETE supply_register (FPE_REGNUM, (char *) &val); */ +/* OBSOLETE supply_register (INTE_REGNUM, (char *) &val); */ +/* OBSOLETE supply_register (FPS_REGNUM, (char *) &val); */ +/* OBSOLETE supply_register (EXO_REGNUM, (char *) &val); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE write (eb_desc, "dw gr1,gr1\n", 11); */ +/* OBSOLETE expect ("GR001 "); */ +/* OBSOLETE get_hex_regs (1, GR1_REGNUM); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Fetch register REGNO, or all registers if REGNO is -1. */ +/* OBSOLETE Returns errno value. */ */ +/* OBSOLETE void */ +/* OBSOLETE eb_fetch_register (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE if (regno == -1) */ +/* OBSOLETE eb_fetch_registers (); */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE char *name = get_reg_name (regno); */ +/* OBSOLETE fprintf (eb_stream, "dw %s,%s\n", name, name); */ +/* OBSOLETE expect (name); */ +/* OBSOLETE expect (" "); */ +/* OBSOLETE get_hex_regs (1, regno); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE return; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Store the remote registers from the contents of the block REGS. */ */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE eb_store_registers (void) */ +/* OBSOLETE { */ +/* OBSOLETE int i, j; */ +/* OBSOLETE fprintf (eb_stream, "s gr1,%x\n", read_register (GR1_REGNUM)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE */ +/* OBSOLETE for (j = 0; j < 32; j += 16) */ +/* OBSOLETE { */ +/* OBSOLETE fprintf (eb_stream, "s gr%d,", j + 96); */ +/* OBSOLETE for (i = 0; i < 15; ++i) */ +/* OBSOLETE fprintf (eb_stream, "%x,", read_register (GR96_REGNUM + j + i)); */ +/* OBSOLETE fprintf (eb_stream, "%x\n", read_register (GR96_REGNUM + j + 15)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE for (j = 0; j < 128; j += 16) */ +/* OBSOLETE { */ +/* OBSOLETE fprintf (eb_stream, "s lr%d,", j); */ +/* OBSOLETE for (i = 0; i < 15; ++i) */ +/* OBSOLETE fprintf (eb_stream, "%x,", read_register (LR0_REGNUM + j + i)); */ +/* OBSOLETE fprintf (eb_stream, "%x\n", read_register (LR0_REGNUM + j + 15)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE fprintf (eb_stream, "s sr133,%x,%x,%x\n", read_register (BP_REGNUM), */ +/* OBSOLETE read_register (FC_REGNUM), read_register (CR_REGNUM)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE fprintf (eb_stream, "s sr131,%x\n", read_register (Q_REGNUM)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE fprintf (eb_stream, "s sr0,"); */ +/* OBSOLETE for (i = 0; i < 11; ++i) */ +/* OBSOLETE fprintf (eb_stream, "%x,", read_register (VAB_REGNUM + i)); */ +/* OBSOLETE fprintf (eb_stream, "%x\n", read_register (VAB_REGNUM + 11)); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Store register REGNO, or all if REGNO == 0. */ +/* OBSOLETE Return errno value. */ */ +/* OBSOLETE void */ +/* OBSOLETE eb_store_register (int regno) */ +/* OBSOLETE { */ +/* OBSOLETE if (regno == -1) */ +/* OBSOLETE eb_store_registers (); */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE char *name = get_reg_name (regno); */ +/* OBSOLETE fprintf (eb_stream, "s %s,%x\n", name, read_register (regno)); */ +/* OBSOLETE /* Setting GR1 changes the numbers of all the locals, so */ +/* OBSOLETE invalidate the register cache. Do this *after* calling */ +/* OBSOLETE read_register, because we want read_register to return the */ +/* OBSOLETE value that write_register has just stuffed into the registers */ +/* OBSOLETE array, not the value of the register fetched from the */ +/* OBSOLETE inferior. */ */ +/* OBSOLETE if (regno == GR1_REGNUM) */ +/* OBSOLETE registers_changed (); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Get ready to modify the registers array. On machines which store */ +/* OBSOLETE individual registers, this doesn't need to do anything. On machines */ +/* OBSOLETE which store all the registers in one fell swoop, this makes sure */ +/* OBSOLETE that registers contains all the registers from the program being */ +/* OBSOLETE debugged. */ */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE eb_prepare_to_store (void) */ +/* OBSOLETE { */ +/* OBSOLETE /* Do nothing, since we can store individual regs */ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Transfer LEN bytes between GDB address MYADDR and target address */ +/* OBSOLETE MEMADDR. If WRITE is non-zero, transfer them to the target, */ +/* OBSOLETE otherwise transfer them from the target. TARGET is unused. */ +/* OBSOLETE */ +/* OBSOLETE Returns the number of bytes transferred. */ */ +/* OBSOLETE */ +/* OBSOLETE int */ +/* OBSOLETE eb_xfer_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, */ +/* OBSOLETE struct mem_attrib *attrib ATTRIBUTE_UNUSED, */ +/* OBSOLETE struct target_ops *target ATTRIBUTE_UNUSED) */ +/* OBSOLETE { */ +/* OBSOLETE if (write) */ +/* OBSOLETE return eb_write_inferior_memory (memaddr, myaddr, len); */ +/* OBSOLETE else */ +/* OBSOLETE return eb_read_inferior_memory (memaddr, myaddr, len); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE eb_files_info (void) */ +/* OBSOLETE { */ +/* OBSOLETE printf ("\tAttached to %s at %d baud and running program %s.\n", */ +/* OBSOLETE dev_name, baudrate, prog_name); */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Copy LEN bytes of data from debugger memory at MYADDR */ +/* OBSOLETE to inferior's memory at MEMADDR. Returns length moved. */ */ +/* OBSOLETE int */ +/* OBSOLETE eb_write_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) */ +/* OBSOLETE { */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE for (i = 0; i < len; i++) */ +/* OBSOLETE { */ +/* OBSOLETE if ((i % 16) == 0) */ +/* OBSOLETE fprintf (eb_stream, "sb %x,", memaddr + i); */ +/* OBSOLETE if ((i % 16) == 15 || i == len - 1) */ +/* OBSOLETE { */ +/* OBSOLETE fprintf (eb_stream, "%x\n", ((unsigned char *) myaddr)[i]); */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE fprintf (eb_stream, "%x,", ((unsigned char *) myaddr)[i]); */ +/* OBSOLETE } */ +/* OBSOLETE return len; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Read LEN bytes from inferior memory at MEMADDR. Put the result */ +/* OBSOLETE at debugger address MYADDR. Returns length moved. */ */ +/* OBSOLETE int */ +/* OBSOLETE eb_read_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len) */ +/* OBSOLETE { */ +/* OBSOLETE int i; */ +/* OBSOLETE */ +/* OBSOLETE /* Number of bytes read so far. */ */ +/* OBSOLETE int count; */ +/* OBSOLETE */ +/* OBSOLETE /* Starting address of this pass. */ */ +/* OBSOLETE unsigned long startaddr; */ +/* OBSOLETE */ +/* OBSOLETE /* Number of bytes to read in this pass. */ */ +/* OBSOLETE int len_this_pass; */ +/* OBSOLETE */ +/* OBSOLETE /* Note that this code works correctly if startaddr is just less */ +/* OBSOLETE than UINT_MAX (well, really CORE_ADDR_MAX if there was such a */ +/* OBSOLETE thing). That is, something like */ +/* OBSOLETE eb_read_bytes (CORE_ADDR_MAX - 4, foo, 4) */ +/* OBSOLETE works--it never adds len to memaddr and gets 0. */ */ +/* OBSOLETE /* However, something like */ +/* OBSOLETE eb_read_bytes (CORE_ADDR_MAX - 3, foo, 4) */ +/* OBSOLETE doesn't need to work. Detect it and give up if there's an attempt */ +/* OBSOLETE to do that. */ */ +/* OBSOLETE if (((memaddr - 1) + len) < memaddr) */ +/* OBSOLETE { */ +/* OBSOLETE errno = EIO; */ +/* OBSOLETE return 0; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE startaddr = memaddr; */ +/* OBSOLETE count = 0; */ +/* OBSOLETE while (count < len) */ +/* OBSOLETE { */ +/* OBSOLETE len_this_pass = 16; */ +/* OBSOLETE if ((startaddr % 16) != 0) */ +/* OBSOLETE len_this_pass -= startaddr % 16; */ +/* OBSOLETE if (len_this_pass > (len - count)) */ +/* OBSOLETE len_this_pass = (len - count); */ +/* OBSOLETE */ +/* OBSOLETE fprintf (eb_stream, "db %x,%x\n", startaddr, */ +/* OBSOLETE (startaddr - 1) + len_this_pass); */ +/* OBSOLETE expect ("\n"); */ +/* OBSOLETE */ +/* OBSOLETE /* Look for 8 hex digits. */ */ +/* OBSOLETE i = 0; */ +/* OBSOLETE while (1) */ +/* OBSOLETE { */ +/* OBSOLETE if (isxdigit (readchar ())) */ +/* OBSOLETE ++i; */ +/* OBSOLETE else */ +/* OBSOLETE { */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE error ("Hex digit expected from remote system."); */ +/* OBSOLETE } */ +/* OBSOLETE if (i >= 8) */ +/* OBSOLETE break; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE expect (" "); */ +/* OBSOLETE */ +/* OBSOLETE for (i = 0; i < len_this_pass; i++) */ +/* OBSOLETE get_hex_byte (&myaddr[count++]); */ +/* OBSOLETE */ +/* OBSOLETE expect_prompt (); */ +/* OBSOLETE */ +/* OBSOLETE startaddr += len_this_pass; */ +/* OBSOLETE } */ +/* OBSOLETE return len; */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE eb_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 eb_mourn_inferior (void) */ +/* OBSOLETE { */ +/* OBSOLETE remove_breakpoints (); */ +/* OBSOLETE unpush_target (&eb_ops); */ +/* OBSOLETE generic_mourn_inferior (); /* Do all the proper things now */ */ +/* OBSOLETE } */ +/* OBSOLETE /* Define the target subroutine names */ */ +/* OBSOLETE */ +/* OBSOLETE struct target_ops eb_ops; */ +/* OBSOLETE */ +/* OBSOLETE static void */ +/* OBSOLETE init_eb_ops (void) */ +/* OBSOLETE { */ +/* OBSOLETE eb_ops.to_shortname = "amd-eb"; */ +/* OBSOLETE eb_ops.to_longname = "Remote serial AMD EBMON target"; */ +/* OBSOLETE eb_ops.to_doc = "Use a remote computer running EBMON connected by a serial line.\n\ */ +/* OBSOLETE Arguments are the name of the device for the serial line,\n\ */ +/* OBSOLETE the speed to connect at in bits per second, and the filename of the\n\ */ +/* OBSOLETE executable as it exists on the remote computer. For example,\n\ */ +/* OBSOLETE target amd-eb /dev/ttya 9600 demo", */ +/* OBSOLETE eb_ops.to_open = eb_open; */ +/* OBSOLETE eb_ops.to_close = eb_close; */ +/* OBSOLETE eb_ops.to_attach = 0; */ +/* OBSOLETE eb_ops.to_post_attach = NULL; */ +/* OBSOLETE eb_ops.to_require_attach = NULL; */ +/* OBSOLETE eb_ops.to_detach = eb_detach; */ +/* OBSOLETE eb_ops.to_require_detach = NULL; */ +/* OBSOLETE eb_ops.to_resume = eb_resume; */ +/* OBSOLETE eb_ops.to_wait = eb_wait; */ +/* OBSOLETE eb_ops.to_post_wait = NULL; */ +/* OBSOLETE eb_ops.to_fetch_registers = eb_fetch_register; */ +/* OBSOLETE eb_ops.to_store_registers = eb_store_register; */ +/* OBSOLETE eb_ops.to_prepare_to_store = eb_prepare_to_store; */ +/* OBSOLETE eb_ops.to_xfer_memory = eb_xfer_inferior_memory; */ +/* OBSOLETE eb_ops.to_files_info = eb_files_info; */ +/* OBSOLETE eb_ops.to_insert_breakpoint = 0; */ +/* OBSOLETE eb_ops.to_remove_breakpoint = 0; /* Breakpoints */ */ +/* OBSOLETE eb_ops.to_terminal_init = 0; */ +/* OBSOLETE eb_ops.to_terminal_inferior = 0; */ +/* OBSOLETE eb_ops.to_terminal_ours_for_output = 0; */ +/* OBSOLETE eb_ops.to_terminal_ours = 0; */ +/* OBSOLETE eb_ops.to_terminal_info = 0; /* Terminal handling */ */ +/* OBSOLETE eb_ops.to_kill = eb_kill; */ +/* OBSOLETE eb_ops.to_load = generic_load; /* load */ */ +/* OBSOLETE eb_ops.to_lookup_symbol = 0; /* lookup_symbol */ */ +/* OBSOLETE eb_ops.to_create_inferior = eb_create_inferior; */ +/* OBSOLETE eb_ops.to_post_startup_inferior = NULL; */ +/* OBSOLETE eb_ops.to_acknowledge_created_inferior = NULL; */ +/* OBSOLETE eb_ops.to_clone_and_follow_inferior = NULL; */ +/* OBSOLETE eb_ops.to_post_follow_inferior_by_clone = NULL; */ +/* OBSOLETE eb_ops.to_insert_fork_catchpoint = NULL; */ +/* OBSOLETE eb_ops.to_remove_fork_catchpoint = NULL; */ +/* OBSOLETE eb_ops.to_insert_vfork_catchpoint = NULL; */ +/* OBSOLETE eb_ops.to_remove_vfork_catchpoint = NULL; */ +/* OBSOLETE eb_ops.to_has_forked = NULL; */ +/* OBSOLETE eb_ops.to_has_vforked = NULL; */ +/* OBSOLETE eb_ops.to_can_follow_vfork_prior_to_exec = NULL; */ +/* OBSOLETE eb_ops.to_post_follow_vfork = NULL; */ +/* OBSOLETE eb_ops.to_insert_exec_catchpoint = NULL; */ +/* OBSOLETE eb_ops.to_remove_exec_catchpoint = NULL; */ +/* OBSOLETE eb_ops.to_has_execd = NULL; */ +/* OBSOLETE eb_ops.to_reported_exec_events_per_exec_call = NULL; */ +/* OBSOLETE eb_ops.to_has_exited = NULL; */ +/* OBSOLETE eb_ops.to_mourn_inferior = eb_mourn_inferior; */ +/* OBSOLETE eb_ops.to_can_run = 0; /* can_run */ */ +/* OBSOLETE eb_ops.to_notice_signals = 0; /* notice_signals */ */ +/* OBSOLETE eb_ops.to_thread_alive = 0; /* thread-alive */ */ +/* OBSOLETE eb_ops.to_stop = 0; /* to_stop */ */ +/* OBSOLETE eb_ops.to_pid_to_exec_file = NULL; */ +/* OBSOLETE eb_ops.to_stratum = process_stratum; */ +/* OBSOLETE eb_ops.DONT_USE = 0; /* next */ */ +/* OBSOLETE eb_ops.to_has_all_memory = 1; */ +/* OBSOLETE eb_ops.to_has_memory = 1; */ +/* OBSOLETE eb_ops.to_has_stack = 1; */ +/* OBSOLETE eb_ops.to_has_registers = 1; */ +/* OBSOLETE eb_ops.to_has_execution = 1; /* all mem, mem, stack, regs, exec */ */ +/* OBSOLETE eb_ops.to_sections = 0; /* sections */ */ +/* OBSOLETE eb_ops.to_sections_end = 0; /* sections end */ */ +/* OBSOLETE eb_ops.to_magic = OPS_MAGIC; /* Always the last thing */ */ +/* OBSOLETE }; */ +/* OBSOLETE */ +/* OBSOLETE void */ +/* OBSOLETE _initialize_remote_eb (void) */ +/* OBSOLETE { */ +/* OBSOLETE init_eb_ops (); */ +/* OBSOLETE add_target (&eb_ops); */ +/* OBSOLETE } */