/* Remote debugging interface for Array Tech RAID controller..
- Copyright 90, 91, 92, 93, 94, 1995 Free Software Foundation, Inc.
+ Copyright 90, 91, 92, 93, 94, 1995, 1998 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by Rob Savoye for Cygnus.
This module talks to a debug monitor called 'MONITOR', which
#else
#include <varargs.h>
#endif
+#include <ctype.h>
#include <signal.h>
-#include "gdb_string.h"
#include <sys/types.h>
+#include "gdb_string.h"
#include "command.h"
#include "serial.h"
#include "monitor.h"
extern int baud_rate;
-static const char hexchars[]="0123456789abcdef";
-static char *hex2mem();
-
-#define SREC_SIZE 160
+#define ARRAY_PROMPT ">> "
#define SWAP_TARGET_AND_HOST(buffer,len) \
do \
static int array_send_packet();
static int array_get_packet();
static unsigned long ascii2hexword();
-static char *hexword2ascii();
+static void hexword2ascii();
extern char *version;
extern char *tmp_mips_processor_type;
extern int mips_set_processor_type();
-static struct target_ops array_ops = {
- "array", /* to_shortname */
- /* to_longname */
- "Debug using the standard GDB remote protocol for the Array Tech target.",
- /* to_doc */
- "Debug using the standard GDB remote protocol for the Array Tech target.\n\
-Specify the serial device it is connected to (e.g. /dev/ttya).",
- array_open, /* to_open */
- array_close, /* to_close */
- NULL, /* to_attach */
- array_detach, /* to_detach */
- array_resume, /* to_resume */
- array_wait, /* to_wait */
- array_fetch_registers, /* to_fetch_registers */
- array_store_registers, /* to_store_registers */
- array_prepare_to_store, /* to_prepare_to_store */
- array_xfer_memory, /* to_xfer_memory */
- array_files_info, /* to_files_info */
- array_insert_breakpoint, /* to_insert_breakpoint */
- array_remove_breakpoint, /* to_remove_breakpoint */
- 0, /* to_terminal_init */
- 0, /* to_terminal_inferior */
- 0, /* to_terminal_ours_for_output */
- 0, /* to_terminal_ours */
- 0, /* to_terminal_info */
- array_kill, /* to_kill */
- 0, /* to_load */
- 0, /* to_lookup_symbol */
- array_create_inferior, /* to_create_inferior */
- array_mourn_inferior, /* to_mourn_inferior */
- 0, /* to_can_run */
- 0, /* to_notice_signals */
- 0, /* to_thread_alive */
- 0, /* to_stop */
- process_stratum, /* to_stratum */
- 0, /* to_next */
- 1, /* to_has_all_memory */
- 1, /* to_has_memory */
- 1, /* to_has_stack */
- 1, /* to_has_registers */
- 1, /* to_has_execution */
- 0, /* sections */
- 0, /* sections_end */
- OPS_MAGIC /* to_magic */
+static struct target_ops array_ops ;
+
+static void
+init_array_ops(void)
+{
+ array_ops.to_shortname = "array";
+ array_ops.to_longname =
+ "Debug using the standard GDB remote protocol for the Array Tech target.",
+ array_ops.to_doc =
+ "Debug using the standard GDB remote protocol for the Array Tech target.\n\
+Specify the serial device it is connected to (e.g. /dev/ttya)." ;
+ array_ops.to_open = array_open;
+ array_ops.to_close = array_close;
+ array_ops.to_attach = NULL;
+ array_ops.to_post_attach = NULL;
+ array_ops.to_require_attach = NULL;
+ array_ops.to_detach = array_detach;
+ array_ops.to_require_detach = NULL;
+ array_ops.to_resume = array_resume;
+ array_ops.to_wait = array_wait;
+ array_ops.to_post_wait = NULL;
+ array_ops.to_fetch_registers = array_fetch_registers;
+ array_ops.to_store_registers = array_store_registers;
+ array_ops.to_prepare_to_store = array_prepare_to_store;
+ array_ops.to_xfer_memory = array_xfer_memory;
+ array_ops.to_files_info = array_files_info;
+ array_ops.to_insert_breakpoint = array_insert_breakpoint;
+ array_ops.to_remove_breakpoint = array_remove_breakpoint;
+ array_ops.to_terminal_init = 0;
+ array_ops.to_terminal_inferior = 0;
+ array_ops.to_terminal_ours_for_output = 0;
+ array_ops.to_terminal_ours = 0;
+ array_ops.to_terminal_info = 0;
+ array_ops.to_kill = array_kill;
+ array_ops.to_load = 0;
+ array_ops.to_lookup_symbol = 0;
+ array_ops.to_create_inferior = array_create_inferior;
+ array_ops.to_post_startup_inferior = NULL;
+ array_ops.to_acknowledge_created_inferior = NULL;
+ array_ops.to_clone_and_follow_inferior = NULL;
+ array_ops.to_post_follow_inferior_by_clone = NULL;
+ array_ops.to_insert_fork_catchpoint = NULL;
+ array_ops.to_remove_fork_catchpoint = NULL;
+ array_ops.to_insert_vfork_catchpoint = NULL;
+ array_ops.to_remove_vfork_catchpoint = NULL;
+ array_ops.to_has_forked = NULL;
+ array_ops.to_has_vforked = NULL;
+ array_ops.to_can_follow_vfork_prior_to_exec = NULL;
+ array_ops.to_post_follow_vfork = NULL;
+ array_ops.to_insert_exec_catchpoint = NULL;
+ array_ops.to_remove_exec_catchpoint = NULL;
+ array_ops.to_has_execd = NULL;
+ array_ops.to_reported_exec_events_per_exec_call = NULL;
+ array_ops.to_has_exited = NULL;
+ array_ops.to_mourn_inferior = array_mourn_inferior;
+ array_ops.to_can_run = 0;
+ array_ops.to_notice_signals = 0;
+ array_ops.to_thread_alive = 0;
+ array_ops.to_stop = 0;
+ array_ops.to_pid_to_exec_file = NULL;
+ array_ops.to_core_file_to_sym_file = NULL;
+ array_ops.to_stratum = process_stratum;
+ array_ops.DONT_USE = 0;
+ array_ops.to_has_all_memory = 1;
+ array_ops.to_has_memory = 1;
+ array_ops.to_has_stack = 1;
+ array_ops.to_has_registers = 1;
+ array_ops.to_has_execution = 1;
+ array_ops.to_sections = 0;
+ array_ops.to_sections_end = 0;
+ array_ops.to_magic = OPS_MAGIC;
};
/*
expect_prompt(discard)
int discard;
{
- expect (">> ", discard);
+ expect (ARRAY_PROMPT, discard);
}
/*
error("Can't pass arguments to remote MONITOR process");
if (execfile == 0 || exec_bfd == 0)
- error("No exec file specified");
+ error("No executable file specified");
entry_pt = (int) bfd_get_start_address (exec_bfd);
/* if (is_open) */
array_close(0);
+ target_preopen (from_tty);
+ unpush_target (&array_ops);
+
tmp_mips_processor_type = "lsi33k"; /* change the default from r3051 */
mips_set_processor_type_command ("lsi33k", 0);
log_file = fopen (LOG_FILE, "w");
if (log_file == NULL)
perror_with_name (LOG_FILE);
- fprintf_filtered (log_file, "GDB %s (%s", version);
- fprintf_filtered (log_file, " --target %s)\n", array_ops.to_shortname);
- fprintf_filtered (log_file, "Remote target %s connected to %s\n\n", array_ops.to_shortname, dev_name);
+ fprintf (log_file, "GDB %s (%s", version);
+ fprintf (log_file, " --target %s)\n", array_ops.to_shortname);
+ fprintf (log_file, "Remote target %s connected to %s\n\n", array_ops.to_shortname, dev_name);
#endif
/* see if the target is alive. For a ROM monitor, we can just try to force the
because the '@' doesn't flush output like it does on the new ROMS.
*/
printf_monitor ("@"); /* ask for the last signal */
- expect_prompt(1); /* See if we get a expect_prompt */
+ expect_prompt(1); /* See if we get a expect_prompt */
+#ifdef TEST_ARRAY /* skip packet for testing */
make_gdb_packet (packet, "?"); /* ask for a bogus packet */
if (array_send_packet (packet) == 0)
error ("Couldn't transmit packet\n");
printf_monitor ("@\n"); /* force it to flush stdout */
expect_prompt(1); /* See if we get a expect_prompt */
-
+#endif
+ push_target (&array_ops);
if (from_tty)
printf("Remote target %s connected to %s\n", array_ops.to_shortname, dev_name);
}
if (step) {
printf_monitor ("s\n");
} else {
- printf_monitor ("go");
+ printf_monitor ("go\n");
}
}
+#define TMPBUFSIZ 5
+
/*
* array_wait -- Wait until the remote machine stops, then return,
* storing status in status just as `wait' would.
struct target_waitstatus *status;
{
int old_timeout = timeout;
+ int result, i;
+ char c;
+ serial_t tty_desc;
+ serial_ttystate ttystate;
debuglogs(1, "array_wait (), printing extraneous text.");
status->value.integer = 0;
timeout = 0; /* Don't time out -- user program is running. */
+
+#if !defined(__GO32__) && !defined(__MSDOS__) && !defined(_WIN32)
+ tty_desc = SERIAL_FDOPEN (0);
+ ttystate = SERIAL_GET_TTY_STATE (tty_desc);
+ SERIAL_RAW (tty_desc);
- expect_prompt(0); /* Wait for expect_prompt, outputting extraneous text */
+ i = 0;
+ /* poll on the serial port and the keyboard. */
+ while (1) {
+ c = readchar(timeout);
+ if (c > 0) {
+ if (c == *(ARRAY_PROMPT + i)) {
+ if (++i >= strlen (ARRAY_PROMPT)) { /* matched the prompt */
+ debuglogs (4, "array_wait(), got the expect_prompt.");
+ break;
+ }
+ } else { /* not the prompt */
+ i = 0;
+ }
+ fputc_unfiltered (c, gdb_stdout);
+ gdb_flush (gdb_stdout);
+ }
+ c = SERIAL_READCHAR(tty_desc, timeout);
+ if (c > 0) {
+ SERIAL_WRITE(array_desc, &c, 1);
+ /* do this so it looks like there's keyboard echo */
+ if (c == 3) /* exit on Control-C */
+ break;
+#if 0
+ fputc_unfiltered (c, gdb_stdout);
+ gdb_flush (gdb_stdout);
+#endif
+ }
+ }
+ SERIAL_SET_TTY_STATE (tty_desc, ttystate);
+#else
+ expect_prompt(1);
debuglogs (4, "array_wait(), got the expect_prompt.");
+#endif
status->kind = TARGET_WAITKIND_STOPPED;
status->value.sig = TARGET_SIGNAL_TRAP;
-
-
timeout = old_timeout;
return 0;
char *myaddr;
int len;
{
- int i, j;
+ int j;
char buf[20];
char packet[PBUFSIZ];
-
- /* Number of bytes read so far. */
- int count;
-
- /* Starting address of this pass. */
- unsigned long startaddr;
-
- /* Starting address of this pass. */
- unsigned long endaddr;
-
- /* Number of bytes to read in this pass. */
- int len_this_pass;
+ int count; /* Number of bytes read so far. */
+ unsigned long startaddr; /* Starting address of this pass. */
+ int len_this_pass; /* Number of bytes to read in this pass. */
debuglogs (1, "array_read_inferior_memory (memaddr=0x%x, myaddr=0x%x, len=%d)", memaddr, myaddr, len);
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);
-
- debuglogs (3, "Display %d bytes at %x for Big Endian host", len_this_pass, startaddr);
-
- for (i = 0; i < len_this_pass; i++) {
+ for (count = 0, startaddr = memaddr; count < len; startaddr += len_this_pass)
+ {
+ /* Try to align to 16 byte boundry (why?) */
+ len_this_pass = 16;
+ if ((startaddr % 16) != 0)
+ {
+ len_this_pass -= startaddr % 16;
+ }
+ /* Only transfer bytes we need */
+ if (len_this_pass > (len - count))
+ {
+ len_this_pass = (len - count);
+ }
+ /* Fetch the bytes */
+ debuglogs (3, "read %d bytes from inferior address %x", len_this_pass,
+ startaddr);
sprintf (buf, "m%08x,%04x", startaddr, len_this_pass);
make_gdb_packet (packet, buf);
if (array_send_packet (packet) == 0)
- error ("Couldn't transmit packet\n");
+ {
+ error ("Couldn't transmit packet\n");
+ }
if (array_get_packet (packet) == 0)
- error ("Couldn't receive packet\n");
+ {
+ error ("Couldn't receive packet\n");
+ }
if (*packet == 0)
- error ("Got no data in the GDB packet\n");
- debuglogs (4, "array_read_inferior: Got a \"%s\" back\n", packet);
- for (j = 0; j < len_this_pass ; j++) { /* extract the byte values */
- myaddr[count++] = from_hex (*(packet+(j*2))) * 16 + from_hex (*(packet+(j*2)+1));
- debuglogs (5, "myaddr set to %x\n", myaddr[count-1]);
- }
- startaddr += 1;
+ {
+ error ("Got no data in the GDB packet\n");
+ }
+ /* Pick packet apart and xfer bytes to myaddr */
+ debuglogs (4, "array_read_inferior_memory: Got a \"%s\" back\n", packet);
+ for (j = 0; j < len_this_pass ; j++)
+ {
+ /* extract the byte values */
+ myaddr[count++] = from_hex (*(packet+(j*2))) * 16 + from_hex (*(packet+(j*2)+1));
+ debuglogs (5, "myaddr[%d] set to %x\n", count-1, myaddr[count-1]);
+ }
}
-
- }
- return len;
+ return (count);
}
/* FIXME-someday! merge these two. */
#define MAX_ARRAY_BREAKPOINTS 16
-extern int memory_breakpoint_size;
static CORE_ADDR breakaddr[MAX_ARRAY_BREAKPOINTS] = {0};
/*
char *shadow;
{
int i;
+ int bp_size = 0;
+ CORE_ADDR bp_addr = addr;
debuglogs (1, "array_insert_breakpoint() addr = 0x%x", addr);
+ BREAKPOINT_FROM_PC (&bp_addr, &bp_size);
for (i = 0; i <= MAX_ARRAY_BREAKPOINTS; i++) {
if (breakaddr[i] == 0) {
breakaddr[i] = addr;
if (sr_get_debug() > 4)
printf ("Breakpoint at %x\n", addr);
- array_read_inferior_memory(addr, shadow, memory_breakpoint_size);
+ array_read_inferior_memory (bp_addr, shadow, bp_size);
printf_monitor("b 0x%x\n", addr);
expect_prompt(1);
return 0;
}
}
}
+ return 0; /* exceeded retries */
}
/*
* ascii2hexword -- convert a hex value to an ascii number represented by 8
* digits.
*/
-static char*
+static void
hexword2ascii (mem, num)
unsigned char *mem;
unsigned long num;
void
_initialize_array ()
{
+ init_array_ops() ;
add_target (&array_ops);
- baud_rate = 4800; /* this is the only supported baud rate */
}
-
projects / deliverable / binutils-gdb.git / blobdiff