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-rw-r--r--gdb/remote-st.c348
1 files changed, 176 insertions, 172 deletions
diff --git a/gdb/remote-st.c b/gdb/remote-st.c
index 1efdbfa..79c6b42 100644
--- a/gdb/remote-st.c
+++ b/gdb/remote-st.c
@@ -2,27 +2,28 @@
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 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 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.
+ 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. */
+ 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 an esoteric situation--
+ "This is like remote.c but is for an esoteric situation--
having an 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
@@ -48,11 +49,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <sys/types.h>
#include "serial.h"
-extern struct target_ops st2000_ops; /* Forward declaration */
+extern struct target_ops st2000_ops; /* Forward declaration */
-static void st2000_close();
-static void st2000_fetch_register();
-static void st2000_store_register();
+static void st2000_close ();
+static void st2000_fetch_register ();
+static void st2000_store_register ();
#define LOG_FILE "st2000.log"
#if defined (LOG_FILE)
@@ -71,9 +72,9 @@ static serial_t st2000_desc;
static void
#ifdef ANSI_PROTOTYPES
-printf_stdebug(char *pattern, ...)
+printf_stdebug (char *pattern,...)
#else
-printf_stdebug(va_alist)
+printf_stdebug (va_alist)
va_dcl
#endif
{
@@ -81,33 +82,33 @@ printf_stdebug(va_alist)
char buf[200];
#ifdef ANSI_PROTOTYPES
- va_start(args, pattern);
+ va_start (args, pattern);
#else
char *pattern;
- va_start(args);
- pattern = va_arg(args, char *);
+ va_start (args);
+ pattern = va_arg (args, char *);
#endif
- vsprintf(buf, pattern, args);
- va_end(args);
+ vsprintf (buf, pattern, args);
+ va_end (args);
- if (SERIAL_WRITE(st2000_desc, buf, strlen(buf)))
- fprintf(stderr, "SERIAL_WRITE failed: %s\n", safe_strerror(errno));
+ if (SERIAL_WRITE (st2000_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)
+readchar (timeout)
int timeout;
{
int c;
- c = SERIAL_READCHAR(st2000_desc, timeout);
+ c = SERIAL_READCHAR (st2000_desc, timeout);
#ifdef LOG_FILE
- putc(c & 0x7f, log_file);
+ putc (c & 0x7f, log_file);
#endif
if (c >= 0)
@@ -118,17 +119,17 @@ readchar(timeout)
if (timeout == 0)
return c; /* Polls shouldn't generate timeout errors */
- error("Timeout reading from remote system.");
+ error ("Timeout reading from remote system.");
}
- perror_with_name("remote-st2000");
+ perror_with_name ("remote-st2000");
}
/* 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)
+expect (string, discard)
char *string;
int discard;
{
@@ -138,7 +139,7 @@ expect(string, discard)
immediate_quit = 1;
while (1)
{
- c = readchar(timeout);
+ c = readchar (timeout);
if (c == *p++)
{
if (*p == '\0')
@@ -151,9 +152,9 @@ expect(string, discard)
{
if (!discard)
{
- fwrite(string, 1, (p - 1) - string, stdout);
- putchar((char)c);
- fflush(stdout);
+ fwrite (string, 1, (p - 1) - string, stdout);
+ putchar ((char) c);
+ fflush (stdout);
}
p = string;
}
@@ -175,13 +176,13 @@ expect(string, discard)
necessary to prevent getting into states from which we can't
recover. */
static void
-expect_prompt(discard)
+expect_prompt (discard)
int discard;
{
#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);
+ fflush (log_file);
#endif
expect ("dbug> ", discard);
}
@@ -189,13 +190,13 @@ 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)
+get_hex_digit (ignore_space)
int ignore_space;
{
int ch;
while (1)
{
- ch = readchar(timeout);
+ ch = readchar (timeout);
if (ch >= '0' && ch <= '9')
return ch - '0';
else if (ch >= 'A' && ch <= 'F')
@@ -206,8 +207,8 @@ get_hex_digit(ignore_space)
;
else
{
- expect_prompt(1);
- error("Invalid hex digit from remote system.");
+ expect_prompt (1);
+ error ("Invalid hex digit from remote system.");
}
}
}
@@ -238,7 +239,7 @@ get_hex_regs (n, regno)
for (i = 0; i < n; i++)
{
int j;
-
+
val = 0;
for (j = 0; j < 8; j++)
val = (val << 4) + get_hex_digit (j == 0);
@@ -257,10 +258,10 @@ st2000_create_inferior (execfile, args, env)
int entry_pt;
if (args && *args)
- error("Can't pass arguments to remote STDEBUG process");
+ error ("Can't pass arguments to remote STDEBUG process");
if (execfile == 0 || exec_bfd == 0)
- error("No executable file specified");
+ error ("No executable file specified");
entry_pt = (int) bfd_get_start_address (exec_bfd);
@@ -281,7 +282,7 @@ st2000_create_inferior (execfile, args, env)
/* insert_step_breakpoint (); FIXME, do we need this? */
/* Let 'er rip... */
- proceed ((CORE_ADDR)entry_pt, TARGET_SIGNAL_DEFAULT, 0);
+ proceed ((CORE_ADDR) entry_pt, TARGET_SIGNAL_DEFAULT, 0);
}
/* Open a connection to a remote debugger.
@@ -291,33 +292,33 @@ static int baudrate = 9600;
static char dev_name[100];
static void
-st2000_open(args, from_tty)
+st2000_open (args, from_tty)
char *args;
int from_tty;
{
int n;
char junk[100];
- target_preopen(from_tty);
-
- n = sscanf(args, " %s %d %s", dev_name, &baudrate, junk);
+ target_preopen (from_tty);
+
+ n = sscanf (args, " %s %d %s", dev_name, &baudrate, junk);
if (n != 2)
- error("Bad arguments. Usage: target st2000 <device> <speed>\n\
+ error ("Bad arguments. Usage: target st2000 <device> <speed>\n\
or target st2000 <host> <port>\n");
- st2000_close(0);
+ st2000_close (0);
- st2000_desc = SERIAL_OPEN(dev_name);
+ st2000_desc = SERIAL_OPEN (dev_name);
if (!st2000_desc)
- perror_with_name(dev_name);
+ perror_with_name (dev_name);
- SERIAL_SETBAUDRATE(st2000_desc, baudrate);
+ SERIAL_SETBAUDRATE (st2000_desc, baudrate);
- SERIAL_RAW(st2000_desc);
+ SERIAL_RAW (st2000_desc);
- push_target(&st2000_ops);
+ push_target (&st2000_ops);
#if defined (LOG_FILE)
log_file = fopen (LOG_FILE, "w");
@@ -326,13 +327,13 @@ or target st2000 <host> <port>\n");
#endif
/* Hello? Are you there? */
- printf_stdebug("\003"); /* ^C wakes up dbug */
-
- expect_prompt(1);
+ printf_stdebug ("\003"); /* ^C wakes up dbug */
+
+ expect_prompt (1);
if (from_tty)
- printf("Remote %s connected to %s\n", target_shortname,
- dev_name);
+ printf ("Remote %s connected to %s\n", target_shortname,
+ dev_name);
}
/* Close out all files and local state before this target loses control. */
@@ -341,15 +342,16 @@ static void
st2000_close (quitting)
int quitting;
{
- SERIAL_CLOSE(st2000_desc);
+ SERIAL_CLOSE (st2000_desc);
#if defined (LOG_FILE)
- 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");
- }
+ 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");
+ }
#endif
}
@@ -360,11 +362,11 @@ static void
st2000_detach (from_tty)
int from_tty;
{
- pop_target(); /* calls st2000_close to do the real work */
+ pop_target (); /* calls st2000_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
@@ -398,9 +400,9 @@ st2000_wait (status)
status->kind = TARGET_WAITKIND_EXITED;
status->value.integer = 0;
- timeout = 0; /* Don't time out -- user program is running. */
+ timeout = 0; /* Don't time out -- user program is running. */
- expect_prompt(0); /* Wait for prompt, outputting extraneous text */
+ expect_prompt (0); /* Wait for prompt, outputting extraneous text */
status->kind = TARGET_WAITKIND_STOPPED;
status->value.sig = TARGET_SIGNAL_TRAP;
@@ -425,7 +427,7 @@ get_reg_name (regno)
b = buf;
for (p = REGISTER_NAME (regno); *p; p++)
- *b++ = toupper(*p);
+ *b++ = toupper (*p);
*b = '\000';
return buf;
@@ -442,7 +444,7 @@ st2000_fetch_registers ()
very often... I'll clean it up later. */
for (regno = 0; regno <= PC_REGNUM; regno++)
- st2000_fetch_register(regno);
+ st2000_fetch_register (regno);
}
/* Fetch register REGNO, or all registers if REGNO is -1.
@@ -473,7 +475,7 @@ st2000_store_registers ()
int regno;
for (regno = 0; regno <= PC_REGNUM; regno++)
- st2000_store_register(regno);
+ st2000_store_register (regno);
registers_changed ();
}
@@ -535,7 +537,7 @@ st2000_write_inferior_memory (memaddr, myaddr, len)
/* Read LEN bytes from inferior memory at MEMADDR. Put the result
at debugger address MYADDR. Returns length moved. */
static int
-st2000_read_inferior_memory(memaddr, myaddr, len)
+st2000_read_inferior_memory (memaddr, myaddr, len)
CORE_ADDR memaddr;
char *myaddr;
int len;
@@ -560,11 +562,12 @@ st2000_read_inferior_memory(memaddr, myaddr, len)
st2000_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 (((memaddr - 1) + len) < memaddr)
+ {
+ errno = EIO;
+ return 0;
+ }
+
startaddr = memaddr;
count = 0;
while (count < len)
@@ -595,7 +598,7 @@ st2000_xfer_inferior_memory (memaddr, myaddr, len, write, target)
char *myaddr;
int len;
int write;
- struct target_ops *target; /* ignored */
+ struct target_ops *target; /* ignored */
{
if (write)
return st2000_write_inferior_memory (memaddr, myaddr, len);
@@ -608,7 +611,7 @@ st2000_kill (args, from_tty)
char *args;
int from_tty;
{
- return; /* Ignore attempts to kill target system */
+ return; /* Ignore attempts to kill target system */
}
/* Clean up when a program exits.
@@ -627,7 +630,8 @@ st2000_mourn_inferior ()
#define MAX_STDEBUG_BREAKPOINTS 16
-static CORE_ADDR breakaddr[MAX_STDEBUG_BREAKPOINTS] = {0};
+static CORE_ADDR breakaddr[MAX_STDEBUG_BREAKPOINTS] =
+{0};
static int
st2000_insert_breakpoint (addr, shadow)
@@ -646,12 +650,12 @@ st2000_insert_breakpoint (addr, shadow)
breakaddr[i] = addr;
st2000_read_inferior_memory (bp_addr, shadow, bp_size);
- printf_stdebug("BR %x H\r", addr);
- expect_prompt(1);
+ printf_stdebug ("BR %x H\r", addr);
+ expect_prompt (1);
return 0;
}
- fprintf(stderr, "Too many breakpoints (> 16) for STDBUG\n");
+ fprintf (stderr, "Too many breakpoints (> 16) for STDBUG\n");
return 1;
}
@@ -667,12 +671,12 @@ st2000_remove_breakpoint (addr, shadow)
{
breakaddr[i] = 0;
- printf_stdebug("CB %d\r", i);
- expect_prompt(1);
+ printf_stdebug ("CB %d\r", i);
+ expect_prompt (1);
return 0;
}
- fprintf(stderr, "Can't find breakpoint associated with 0x%x\n", addr);
+ fprintf (stderr, "Can't find breakpoint associated with 0x%x\n", addr);
return 1;
}
@@ -682,29 +686,29 @@ st2000_remove_breakpoint (addr, shadow)
static void
st2000_command (args, fromtty)
- char *args;
- int fromtty;
+ char *args;
+ int fromtty;
{
if (!st2000_desc)
- error("st2000 target not open.");
-
+ error ("st2000 target not open.");
+
if (!args)
- error("Missing command.");
-
- printf_stdebug("%s\r", args);
- expect_prompt(0);
+ error ("Missing command.");
+
+ printf_stdebug ("%s\r", args);
+ expect_prompt (0);
}
/* Connect the user directly to STDBUG. This command acts just like the
'cu' or 'tip' command. Use <CR>~. or <CR>~^D to break out. */
-/*static struct ttystate ttystate;*/
+/*static struct ttystate ttystate; */
static void
-cleanup_tty()
+cleanup_tty ()
{
- printf("\r\n[Exiting connect mode]\r\n");
-/* SERIAL_RESTORE(0, &ttystate);*/
+ printf ("\r\n[Exiting connect mode]\r\n");
+/* SERIAL_RESTORE(0, &ttystate); */
}
#if 0
@@ -712,50 +716,50 @@ cleanup_tty()
static void
connect_command (args, fromtty)
- char *args;
- int fromtty;
+ char *args;
+ int fromtty;
{
fd_set readfds;
int numfds;
int c;
char cur_esc = 0;
- dont_repeat();
+ dont_repeat ();
if (st2000_desc < 0)
- error("st2000 target not open.");
-
+ error ("st2000 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");
+ fprintf ("This command takes no args. They have been ignored.\n");
- serial_raw(0, &ttystate);
+ printf ("[Entering connect mode. Use ~. or ~^D to escape]\n");
- make_cleanup(cleanup_tty, 0);
+ serial_raw (0, &ttystate);
- FD_ZERO(&readfds);
+ make_cleanup (cleanup_tty, 0);
+
+ FD_ZERO (&readfds);
while (1)
{
do
{
- FD_SET(0, &readfds);
- FD_SET(st2000_desc, &readfds);
- numfds = select(sizeof(readfds)*8, &readfds, 0, 0, 0);
+ FD_SET (0, &readfds);
+ FD_SET (st2000_desc, &readfds);
+ numfds = select (sizeof (readfds) * 8, &readfds, 0, 0, 0);
}
while (numfds == 0);
if (numfds < 0)
- perror_with_name("select");
+ perror_with_name ("select");
- if (FD_ISSET(0, &readfds))
+ if (FD_ISSET (0, &readfds))
{ /* tty input, send to stdebug */
- c = getchar();
+ c = getchar ();
if (c < 0)
- perror_with_name("connect");
+ perror_with_name ("connect");
- printf_stdebug("%c", c);
+ printf_stdebug ("%c", c);
switch (cur_esc)
{
case 0:
@@ -776,16 +780,16 @@ connect_command (args, fromtty)
}
}
- if (FD_ISSET(st2000_desc, &readfds))
+ if (FD_ISSET (st2000_desc, &readfds))
{
while (1)
{
- c = readchar(0);
+ c = readchar (0);
if (c < 0)
break;
- putchar(c);
+ putchar (c);
}
- fflush(stdout);
+ fflush (stdout);
}
}
}
@@ -793,43 +797,43 @@ connect_command (args, fromtty)
/* Define the target subroutine names */
-struct target_ops st2000_ops ;
+struct target_ops st2000_ops;
-static void
-init_st2000_ops(void)
+static void
+init_st2000_ops (void)
{
- st2000_ops.to_shortname = "st2000";
- st2000_ops.to_longname = "Remote serial Tandem ST2000 target";
- st2000_ops.to_doc = "Use a remote computer running STDEBUG connected by a serial line;\n\
+ st2000_ops.to_shortname = "st2000";
+ st2000_ops.to_longname = "Remote serial Tandem ST2000 target";
+ st2000_ops.to_doc = "Use a remote computer running STDEBUG connected by a serial line;\n\
or a network connection.\n\
Arguments are the name of the device for the serial line,\n\
-the speed to connect at in bits per second." ;
- st2000_ops.to_open = st2000_open;
- st2000_ops.to_close = st2000_close;
- st2000_ops.to_attach = 0;
+the speed to connect at in bits per second.";
+ st2000_ops.to_open = st2000_open;
+ st2000_ops.to_close = st2000_close;
+ st2000_ops.to_attach = 0;
st2000_run_ops.to_post_attach = NULL;
st2000_ops.to_require_attach = NULL;
- st2000_ops.to_detach = st2000_detach;
+ st2000_ops.to_detach = st2000_detach;
st2000_ops.to_require_detach = NULL;
- st2000_ops.to_resume = st2000_resume;
- st2000_ops.to_wait = st2000_wait;
+ st2000_ops.to_resume = st2000_resume;
+ st2000_ops.to_wait = st2000_wait;
st2000_ops.to_post_wait = NULL;
- st2000_ops.to_fetch_registers = st2000_fetch_register;
- st2000_ops.to_store_registers = st2000_store_register;
- st2000_ops.to_prepare_to_store = st2000_prepare_to_store;
- st2000_ops.to_xfer_memory = st2000_xfer_inferior_memory;
- st2000_ops.to_files_info = st2000_files_info;
- st2000_ops.to_insert_breakpoint = st2000_insert_breakpoint;
- st2000_ops.to_remove_breakpoint = st2000_remove_breakpoint; /* Breakpoints */
- st2000_ops.to_terminal_init = 0;
- st2000_ops.to_terminal_inferior = 0;
- st2000_ops.to_terminal_ours_for_output = 0;
- st2000_ops.to_terminal_ours = 0;
- st2000_ops.to_terminal_info = 0; /* Terminal handling */
- st2000_ops.to_kill = st2000_kill;
- st2000_ops.to_load = 0; /* load */
- st2000_ops.to_lookup_symbol = 0; /* lookup_symbol */
- st2000_ops.to_create_inferior = st2000_create_inferior;
+ st2000_ops.to_fetch_registers = st2000_fetch_register;
+ st2000_ops.to_store_registers = st2000_store_register;
+ st2000_ops.to_prepare_to_store = st2000_prepare_to_store;
+ st2000_ops.to_xfer_memory = st2000_xfer_inferior_memory;
+ st2000_ops.to_files_info = st2000_files_info;
+ st2000_ops.to_insert_breakpoint = st2000_insert_breakpoint;
+ st2000_ops.to_remove_breakpoint = st2000_remove_breakpoint; /* Breakpoints */
+ st2000_ops.to_terminal_init = 0;
+ st2000_ops.to_terminal_inferior = 0;
+ st2000_ops.to_terminal_ours_for_output = 0;
+ st2000_ops.to_terminal_ours = 0;
+ st2000_ops.to_terminal_info = 0; /* Terminal handling */
+ st2000_ops.to_kill = st2000_kill;
+ st2000_ops.to_load = 0; /* load */
+ st2000_ops.to_lookup_symbol = 0; /* lookup_symbol */
+ st2000_ops.to_create_inferior = st2000_create_inferior;
st2000_ops.to_post_startup_inferior = NULL;
st2000_ops.to_acknowledge_created_inferior = NULL;
st2000_ops.to_clone_and_follow_inferior = NULL;
@@ -847,29 +851,29 @@ the speed to connect at in bits per second." ;
st2000_run_ops.to_has_execd = NULL;
st2000_run_ops.to_reported_exec_events_per_exec_call = NULL;
st2000_run_ops.to_has_exited = NULL;
- st2000_ops.to_mourn_inferior = st2000_mourn_inferior;
- st2000_ops.to_can_run = 0; /* can_run */
- st2000_ops.to_notice_signals = 0; /* notice_signals */
- st2000_ops.to_thread_alive = 0; /* thread alive */
- st2000_ops.to_stop = 0; /* to_stop */
+ st2000_ops.to_mourn_inferior = st2000_mourn_inferior;
+ st2000_ops.to_can_run = 0; /* can_run */
+ st2000_ops.to_notice_signals = 0; /* notice_signals */
+ st2000_ops.to_thread_alive = 0; /* thread alive */
+ st2000_ops.to_stop = 0; /* to_stop */
st2000_ops.to_pid_to_exec_file = NULL;
st2000_run_ops.to_core_file_to_sym_file = NULL;
- st2000_ops.to_stratum = process_stratum;
- st2000_ops.DONT_USE = 0; /* next */
- st2000_ops.to_has_all_memory = 1;
- st2000_ops.to_has_memory = 1;
- st2000_ops.to_has_stack = 1;
- st2000_ops.to_has_registers = 1;
- st2000_ops.to_has_execution = 1; /* all mem, mem, stack, regs, exec */
- st2000_ops.to_sections = 0;
- st2000_ops.to_sections_end = 0; /* Section pointers */
- st2000_ops.to_magic = OPS_MAGIC; /* Always the last thing */
-} ;
+ st2000_ops.to_stratum = process_stratum;
+ st2000_ops.DONT_USE = 0; /* next */
+ st2000_ops.to_has_all_memory = 1;
+ st2000_ops.to_has_memory = 1;
+ st2000_ops.to_has_stack = 1;
+ st2000_ops.to_has_registers = 1;
+ st2000_ops.to_has_execution = 1; /* all mem, mem, stack, regs, exec */
+ st2000_ops.to_sections = 0;
+ st2000_ops.to_sections_end = 0; /* Section pointers */
+ st2000_ops.to_magic = OPS_MAGIC; /* Always the last thing */
+};
void
_initialize_remote_st2000 ()
{
- init_st2000_ops() ;
+ init_st2000_ops ();
add_target (&st2000_ops);
add_com ("st2000 <command>", class_obscure, st2000_command,
"Send a command to the STDBUG monitor.");