Initial creation of sourceware repository

1 files changed, 0 insertions, 973 deletions

diff --git a/gdb/remote-rdi.c b/gdb/remote-rdi.c
deleted file mode 100644
index dba920e..0000000
--- a/gdb/remote-rdi.c
+++ /dev/null
@@ -1,973 +0,0 @@
-/* GDB interface to ARM RDI library.
-   Copyright 1997, 1998 Free Software Foundation, Inc.
-
-This file is part of GDB.
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
-
-#include "defs.h"
-#include "gdb_string.h"
-#include <fcntl.h>
-#include "frame.h"
-#include "inferior.h"
-#include "bfd.h"
-#include "symfile.h"
-#include "target.h"
-#include "wait.h"
-#include "gdbcmd.h"
-#include "objfiles.h"
-#include "gdb-stabs.h"
-#include "gdbthread.h"
-#include "gdbcore.h"
-
-#ifdef USG
-#include <sys/types.h>
-#endif
-
-#include <signal.h>
-
-#include "rdi-share/ardi.h"
-#include "rdi-share/adp.h"
-#include "rdi-share/hsys.h"
-
-extern int isascii PARAMS ((int));
-
-/* Prototypes for local functions */
-
-static void arm_rdi_files_info PARAMS ((struct target_ops *ignore));
-
-static int arm_rdi_xfer_memory PARAMS ((CORE_ADDR memaddr, char *myaddr,
-				       int len, int should_write,
-				       struct target_ops *target));
-
-static void arm_rdi_prepare_to_store PARAMS ((void));
-
-static void arm_rdi_fetch_registers PARAMS ((int regno));
-
-static void arm_rdi_resume PARAMS ((int pid, int step,
-				   enum target_signal siggnal));
-
-static int arm_rdi_start_remote PARAMS ((char *dummy));
-
-static void arm_rdi_open PARAMS ((char *name, int from_tty));
-
-static void arm_rdi_create_inferior PARAMS ((char *exec_file, char *args,
-					     char **env));
-
-static void arm_rdi_close PARAMS ((int quitting));
-
-static void arm_rdi_store_registers PARAMS ((int regno));
-
-static void arm_rdi_mourn PARAMS ((void));
-
-static void arm_rdi_send PARAMS ((char *buf));
-
-static int arm_rdi_wait PARAMS ((int pid, struct target_waitstatus *status));
-
-static void arm_rdi_kill PARAMS ((void));
-
-static void arm_rdi_detach PARAMS ((char *args, int from_tty));
-
-static void arm_rdi_interrupt PARAMS ((int signo));
-
-static void arm_rdi_interrupt_twice PARAMS ((int signo));
-
-static void interrupt_query PARAMS ((void));
-
-static int arm_rdi_insert_breakpoint PARAMS ((CORE_ADDR, char *));
-
-static int arm_rdi_remove_breakpoint PARAMS ((CORE_ADDR, char *));
-
-static char *rdi_error_message PARAMS ((int err));
-
-static enum target_signal rdi_error_signal PARAMS ((int err));
-
-/* Global variables.  */
-
-struct target_ops arm_rdi_ops;
-
-static struct Dbg_ConfigBlock gdb_config;
-
-static struct Dbg_HostosInterface gdb_hostif;
-
-static int max_load_size;
-
-static int execute_status;
-
-/* A little list of breakpoints that have been set.  */
-
-static struct local_bp_list_entry {
-  CORE_ADDR addr;
-  PointHandle point;
-  struct local_bp_list_entry *next;
-} *local_bp_list;
-
-
-/* Stub for catch_errors.  */
-
-static int
-arm_rdi_start_remote (dummy)
-     char *dummy;
-{
-  return 1;
-}
-
-/* Helper callbacks for the "host interface" structure.  RDI functions call
-   these to forward output from the target system and so forth.  */
-
-void
-voiddummy ()
-{
-  fprintf_unfiltered (gdb_stdout, "void dummy\n");
-}
-
-static void
-myprint (arg, format, ap)
-     PTR arg;
-     const char *format;
-     va_list ap;
-{
-  vfprintf_unfiltered (gdb_stdout, format, ap);
-}
-
-static void
-mywritec (arg, c)
-     PTR arg;
-     int c;
-{
-  if (isascii (c))
-    fputc_unfiltered (c, gdb_stdout);
-}
-
-static int
-mywrite (arg, buffer, len)
-     PTR arg;
-     char const *buffer;
-     int len;
-{
-  int i;
-  char *e;
-
-  e = (char *) buffer;
-  for (i = 0; i < len; i++)
-{
-      if (isascii ((int) *e))
-        {
-          fputc_unfiltered ((int) *e, gdb_stdout);
-          e++;
-        }
-}
-
-  return len;
-}
-
-static void
-mypause (arg)
-     PTR arg;
-{
-}
-
-/* These last two are tricky as we have to handle the special case of
-   being interrupted more carefully */
-
-static int
-myreadc (arg)
-     PTR arg;
-{ 
-  return fgetc (stdin);
-}
-
-static char *
-mygets (arg, buffer, len)
-     PTR arg;
-     char *buffer;
-     int len;
-{
-  return fgets(buffer, len, stdin);
-}
-
-/* Prevent multiple calls to angel_RDI_close().  */
-static int closed_already = 1;
-
-/* Open a connection to a remote debugger.  NAME is the filename used
-   for communication.  */
-
-static void
-arm_rdi_open (name, from_tty)
-     char *name;
-     int from_tty;
-{
-  int rslt, i;
-  unsigned long arg1, arg2;
-
-  if (name == NULL)
-    error ("To open an RDI connection, you need to specify what serial\n\
-device is attached to the remote system (e.g. /dev/ttya).");
-
-  /* Make the basic low-level connection.  */
-
-  rslt = Adp_OpenDevice (name, NULL, 1);
-
-  if (rslt != adp_ok)
-    error ("Could not open device \"%s\"", name);
-
-  gdb_config.bytesex = 2 | (TARGET_BYTE_ORDER == BIG_ENDIAN ? 1 : 0);
-  gdb_config.fpe = 1;
-  gdb_config.rditype = 2;
-  gdb_config.heartbeat_on = 1;
-  gdb_config.flags = 2;
-
-  gdb_hostif.dbgprint = myprint;
-  gdb_hostif.dbgpause = mypause;
-  gdb_hostif.dbgarg = NULL;
-  gdb_hostif.writec = mywritec;
-  gdb_hostif.readc = myreadc;
-  gdb_hostif.write = mywrite;
-  gdb_hostif.gets = mygets;
-  gdb_hostif.hostosarg = NULL;
-  gdb_hostif.reset = voiddummy;
-
-  rslt = angel_RDI_open (10, &gdb_config, &gdb_hostif, NULL);
-  if (rslt == RDIError_BigEndian || rslt == RDIError_LittleEndian)
-    ;  /* do nothing, this is the expected return */
-  else if (rslt)
-    {
-      printf_filtered ("RDI_open: %s\n", rdi_error_message (rslt));
-    }
-
-  rslt = angel_RDI_info (RDIInfo_Target, &arg1, &arg2);
-  if (rslt)
-    {
-      printf_filtered ("RDI_info: %s\n", rdi_error_message (rslt));
-    }
-  rslt = angel_RDI_info (RDIInfo_Points, &arg1, &arg2);
-  if (rslt)
-    {
-      printf_filtered ("RDI_info: %s\n", rdi_error_message (rslt));
-    }
-  rslt = angel_RDI_info (RDIInfo_Step, &arg1, &arg2);
-  if (rslt)
-    {
-      printf_filtered ("RDI_info: %s\n", rdi_error_message (rslt));
-    }
-  rslt = angel_RDI_info (RDIInfo_CoPro, &arg1, &arg2);
-  if (rslt)
-    {
-      printf_filtered ("RDI_info: %s\n", rdi_error_message (rslt));
-    }
-  rslt = angel_RDI_info (RDIInfo_SemiHosting, &arg1, &arg2);
-  if (rslt)
-    {
-      printf_filtered ("RDI_info: %s\n", rdi_error_message (rslt));
-    }
-
-  rslt = angel_RDI_info (RDIInfo_GetLoadSize, &arg1, &arg2);
-  if (rslt)
-    {
-      printf_filtered ("RDI_info: %s\n", rdi_error_message (rslt));
-    }
-  max_load_size = arg1;
-
-  push_target (&arm_rdi_ops);
-
-  target_fetch_registers (-1);
-
-  rslt = angel_RDI_open (1, &gdb_config, NULL, NULL);
-  if (rslt)
-    {
-      printf_filtered ("RDI_open: %s\n", rdi_error_message (rslt));
-    }
-
-  arg1 = 0x13b;
-  rslt = angel_RDI_info (RDIVector_Catch, &arg1, &arg2);
-  if (rslt)
-    {
-      printf_filtered ("RDI_info: %s\n", rdi_error_message (rslt));
-    }
-
-  arg1 = (unsigned long) "";
-  rslt = angel_RDI_info (RDISet_Cmdline, &arg1, &arg2);
-  if (rslt)
-    {
-      printf_filtered ("RDI_info: %s\n", rdi_error_message (rslt));
-    }
-
-  /* Clear out any existing records of breakpoints.  */
-  {
-    struct local_bp_list_entry *entry, *preventry = NULL;
-
-    for (entry = local_bp_list; entry != NULL; entry = entry->next)
-      {
-	if (preventry)
-	  free (preventry);
-      }
-  }
-
-  printf_filtered ("Connected to ARM RDI target.\n");
-  closed_already = 0;
-  inferior_pid = 42;
-}
-
-/* Start an inferior process and set inferior_pid to its pid.
-   EXEC_FILE is the file to run.
-   ARGS is a string containing the arguments to the program.
-   ENV is the environment vector to pass.  Errors reported with error().
-   On VxWorks and various standalone systems, we ignore exec_file.  */
-/* This is called not only when we first attach, but also when the
-   user types "run" after having attached.  */
-
-static void
-arm_rdi_create_inferior (exec_file, args, env)
-     char *exec_file;
-     char *args;
-     char **env;
-{
-  int len, rslt;
-  unsigned long arg1, arg2;
-  char *arg_buf;
-  CORE_ADDR entry_point;
-
-  if (exec_file == 0 || exec_bfd == 0)
-   error ("No executable file specified.");
-
-  entry_point = (CORE_ADDR) bfd_get_start_address (exec_bfd);
-
-  arm_rdi_kill ();	 
-  remove_breakpoints ();
-  init_wait_for_inferior ();
-
-  len = strlen (exec_file) + 1 + strlen (args) + 1 + /*slop*/ 10;
-  arg_buf = (char *) alloca (len);
-  arg_buf[0] = '\0';
-  strcat (arg_buf, exec_file);
-  strcat (arg_buf, " ");
-  strcat (arg_buf, args);
-
-  inferior_pid = 42;
-  insert_breakpoints ();  /* Needed to get correct instruction in cache */
-
-  if (env != NULL)
-    {
-      while (*env)
-	{
-	  if (strncmp (*env, "MEMSIZE=", sizeof ("MEMSIZE=") - 1) == 0)
-	    {
-	      unsigned long top_of_memory;
-	      char *end_of_num;
-
-	      /* Set up memory limit */
-	      top_of_memory = strtoul (*env + sizeof ("MEMSIZE=") - 1,
-				       &end_of_num, 0);
-	      printf_filtered ("Setting top-of-memory to 0x%x\n",
-			       top_of_memory);
-	  
-	      rslt = angel_RDI_info (RDIInfo_SetTopMem, &top_of_memory, &arg2);
-	      if (rslt)
-		{
-		  printf_filtered ("RDI_info: %s\n", rdi_error_message (rslt));
-		}
-	    }
-	  env++;
-	}
-    }
-
-  arg1 = (unsigned long) arg_buf;
-  rslt = angel_RDI_info (RDISet_Cmdline, /* &arg1 */ (unsigned long *)arg_buf, &arg2);
-  if (rslt)
-    {
-      printf_filtered ("RDI_info: %s\n", rdi_error_message (rslt));
-    }
-
-  proceed (entry_point, TARGET_SIGNAL_DEFAULT, 0);
-}
-
-/* This takes a program previously attached to and detaches it.  After
-   this is done, GDB can be used to debug some other program.  We
-   better not have left any breakpoints in the target program or it'll
-   die when it hits one.  */
-
-static void
-arm_rdi_detach (args, from_tty)
-     char *args;
-     int from_tty;
-{
-  pop_target ();
-}
-
-/* Clean up connection to a remote debugger.  */
-
-static void
-arm_rdi_close (quitting)
-     int quitting;
-{
-  int rslt;
-
-  if (! closed_already)
-    {
-      rslt = angel_RDI_close ();
-      if (rslt)
-	{
-	  printf_filtered ("RDI_close: %s\n", rdi_error_message (rslt));
-	}
-      closed_already = 1;
-      inferior_pid = 0;
-    }
-}
-
-/* Tell the remote machine to resume.  */
-
-static void
-arm_rdi_resume (pid, step, siggnal)
-     int pid, step;
-     enum target_signal siggnal;
-{
-  int rslt;
-  PointHandle point;
-
-  if (0 /* turn on when hardware supports single-stepping */)
-    {
-      rslt = angel_RDI_step (1, &point);
-      if (rslt)
-	{
-	  printf_filtered ("RDI_step: %s\n", rdi_error_message (rslt));
-	}
-    }
-  else
-    {
-      char handle[4];
-      CORE_ADDR pc;
-
-      if (step)
-	{
-	  pc = read_register (PC_REGNUM);
-	  pc = arm_get_next_pc (pc);
-	  arm_rdi_insert_breakpoint (pc, handle);
-	}
-      execute_status = rslt = angel_RDI_execute (&point);
-      if (rslt == RDIError_BreakpointReached)
-	;
-      else if (rslt)
-	{
-	  printf_filtered ("RDI_execute: %s\n", rdi_error_message (rslt));
-	}
-      if (step)
-	{
-	  arm_rdi_remove_breakpoint (pc, handle);
-	}
-    }
-}
-
-/* Send ^C to target to halt it.  Target will respond, and send us a
-   packet.  */
-
-static void
-arm_rdi_interrupt (signo)
-     int signo;
-{
-}
-
-static void (*ofunc)();
-
-/* The user typed ^C twice.  */
-static void
-arm_rdi_interrupt_twice (signo)
-     int signo;
-{
-}
-
-/* Ask the user what to do when an interrupt is received.  */
-
-static void
-interrupt_query ()
-{
-}
-
-/* Wait until the remote machine stops, then return, storing status in
-   STATUS just as `wait' would.  Returns "pid" (though it's not clear
-   what, if anything, that means in the case of this target).  */
-
-static int
-arm_rdi_wait (pid, status)
-     int pid;
-     struct target_waitstatus *status;
-{
-  status->kind = (execute_status == RDIError_NoError ?
-    TARGET_WAITKIND_EXITED : TARGET_WAITKIND_STOPPED);
-
-  /* convert stopped code from target into right signal */
-  status->value.sig = rdi_error_signal (execute_status);
-
-  return inferior_pid;
-}
-
-/* Read the remote registers into the block REGS.  */
-
-/* ARGSUSED */
-static void
-arm_rdi_fetch_registers (regno)
-     int regno;
-{
-  int rslt, rdi_regmask;
-  unsigned long rawreg, rawregs[32];
-  char cookedreg[4];
-
-  if (regno == -1) 
-    {
-      rslt = angel_RDI_CPUread (255, 0x27fff, rawregs);
-      if (rslt)
-	{
-	  printf_filtered ("RDI_CPUread: %s\n", rdi_error_message (rslt));
-	}
-
-      for (regno = 0; regno < 15; regno++)
-	{
-	  store_unsigned_integer (cookedreg, 4, rawregs[regno]);
-	  supply_register (regno, (char *) cookedreg);
-	}
-      store_unsigned_integer (cookedreg, 4, rawregs[15]);
-      supply_register (PS_REGNUM, (char *) cookedreg);
-      arm_rdi_fetch_registers (PC_REGNUM);
-    }
-  else
-    {
-      if (regno == PC_REGNUM)
-	rdi_regmask = RDIReg_PC;
-      else if (regno == PS_REGNUM)
-	rdi_regmask = RDIReg_CPSR;
-      else if (regno < 0 || regno > 15)
-	{
-	  rawreg = 0;
-	  supply_register (regno, (char *) &rawreg);
-	  return;
-	}
-      else
-	rdi_regmask = 1 << regno;
-
-      rslt = angel_RDI_CPUread (255, rdi_regmask, &rawreg);
-      if (rslt)
-	{
-	  printf_filtered ("RDI_CPUread: %s\n", rdi_error_message (rslt));
-	}
-      store_unsigned_integer (cookedreg, 4, rawreg);
-      supply_register (regno, (char *) cookedreg);
-    }
-}
-
-static void 
-arm_rdi_prepare_to_store ()
-{
-  /* Nothing to do.  */
-}
-
-/* Store register REGNO, or all registers if REGNO == -1, from the contents
-   of REGISTERS.  FIXME: ignores errors.  */
-
-static void
-arm_rdi_store_registers (regno)
-     int regno;
-{
-  int rslt, rdi_regmask;
-
-  /* These need to be able to take 'floating point register' contents */
-  unsigned long rawreg[3], rawerreg[3];
-
-  if (regno  == -1) 
-    {
-      for (regno = 0; regno < NUM_REGS; regno++)
-	arm_rdi_store_registers (regno);
-    }
-  else
-    {
-      read_register_gen (regno, (char *) rawreg);
-      /* RDI manipulates data in host byte order, so convert now. */
-      store_unsigned_integer (rawerreg, 4, rawreg[0]);
-
-      if (regno == PC_REGNUM)
-	rdi_regmask = RDIReg_PC;
-      else if (regno == PS_REGNUM)
-	rdi_regmask = RDIReg_CPSR;
-      else if (regno < 0 || regno > 15)
-	return;
-      else
-	rdi_regmask = 1 << regno;
-
-      rslt = angel_RDI_CPUwrite (255, rdi_regmask, rawerreg);
-      if (rslt)
-	{
-	  printf_filtered ("RDI_CPUwrite: %s\n", rdi_error_message (rslt));
-	}
-    }
-}
-
-/* Read or write LEN bytes from inferior memory at MEMADDR,
-   transferring to or from debugger address MYADDR.  Write to inferior
-   if SHOULD_WRITE is nonzero.  Returns length of data written or
-   read; 0 for error.  */
-
-/* ARGSUSED */
-static int
-arm_rdi_xfer_memory(memaddr, myaddr, len, should_write, target)
-     CORE_ADDR memaddr;
-     char *myaddr;
-     int len;
-     int should_write;
-     struct target_ops *target;			/* ignored */
-{
-  int rslt, i;
-
-  if (should_write)
-    {
-      rslt = angel_RDI_write (myaddr, memaddr, &len);
-      if (rslt)
-	{
-	  printf_filtered ("RDI_write: %s\n", rdi_error_message (rslt));
-	}
-    }
-  else 
-    {
-      rslt = angel_RDI_read (memaddr, myaddr, &len);
-      if (rslt)
-	{
-	  printf_filtered ("RDI_read: %s\n", rdi_error_message (rslt));
-	  len = 0;
-	}
-    }
-  return len;
-}
-
-/* Display random info collected from the target.  */
-
-static void
-arm_rdi_files_info (ignore)
-     struct target_ops *ignore;
-{
-  char *file = "nothing";
-  int rslt;
-  unsigned long arg1, arg2;
-
-  rslt = angel_RDI_info (RDIInfo_Target, &arg1, &arg2);
-  if (rslt)
-    {
-      printf_filtered ("RDI_info: %s\n", rdi_error_message (rslt));
-    }
-  if (arg1 & (1 << 15))
-    printf_filtered ("Target supports Thumb code.\n");
-  if (arg1 & (1 << 14))
-    printf_filtered ("Target can do profiling.\n");
-  if (arg1 & (1 << 4))
-    printf_filtered ("Target is real hardware.\n");
-  
-  rslt = angel_RDI_info (RDIInfo_Step, &arg1, &arg2);
-  if (rslt)
-    {
-      printf_filtered ("RDI_info: %s\n", rdi_error_message (rslt));
-    }
-  printf_filtered ("Target can%s single-step.\n", (arg1 & 0x4 ? "" : "not"));
-
-  rslt = angel_RDI_info (RDIInfo_Icebreaker, &arg1, &arg2);
-  if (rslt)
-    {
-      printf_filtered ("RDI_info: %s\n", rdi_error_message (rslt));
-    }
-  else
-    printf_filtered ("Target includes an EmbeddedICE.\n");
-}
-
-static void
-arm_rdi_kill ()
-{
-  int rslt;
-
-  rslt = angel_RDI_open (1, &gdb_config, NULL, NULL);
-  if (rslt)
-    {
-      printf_filtered ("RDI_open: %s\n", rdi_error_message (rslt));
-    }
-}
-
-static void
-arm_rdi_mourn_inferior ()
-{
-  unpush_target (&arm_rdi_ops);
-  generic_mourn_inferior ();
-}
-
-/* While the RDI library keeps track of its own breakpoints, we need
-   to remember "handles" so that we can delete them later.  Since
-   breakpoints get used for stepping, be careful not to leak memory
-   here.  */
-
-static int
-arm_rdi_insert_breakpoint (addr, contents_cache)
-     CORE_ADDR addr;
-     char *contents_cache;
-{
-  int rslt;
-  PointHandle point;
-  struct local_bp_list_entry *entry;
-  int type = RDIPoint_EQ;
-
-  if (arm_pc_is_thumb (addr) || arm_pc_is_thumb_dummy (addr))
-    type |= RDIPoint_16Bit;
-  rslt = angel_RDI_setbreak (addr, type, 0, &point);
-  if (rslt)
-    {
-      printf_filtered ("RDI_setbreak: %s\n", rdi_error_message (rslt));
-    }
-  entry =
-    (struct local_bp_list_entry *) xmalloc (sizeof (struct local_bp_list_entry));
-  entry->addr = addr;
-  entry->point = point;
-  entry->next = local_bp_list;
-  local_bp_list = entry;
-  return rslt;
-}
-
-static int
-arm_rdi_remove_breakpoint (addr, contents_cache)
-     CORE_ADDR addr;
-     char *contents_cache;
-{
-  int rslt;
-  PointHandle point;
-  struct local_bp_list_entry *entry, *preventry;
-
-  for (entry = local_bp_list; entry != NULL; entry = entry->next)
-    {
-      if (entry->addr == addr)
-	{
-	  break;
-	}
-      preventry = entry;
-    }
-  if (entry)
-    {
-      rslt = angel_RDI_clearbreak (entry->point);
-      if (rslt)
-	{
-	  printf_filtered ("RDI_clearbreak: %s\n", rdi_error_message (rslt));
-	}
-      /* Delete the breakpoint entry locally.  */
-      if (entry == local_bp_list)
-	{
-	  local_bp_list = entry->next;
-	}
-      else
-	{
-	  preventry->next = entry->next;
-	}
-      free (entry);
-    }
-  return 0;
-}
-
-static char *
-rdi_error_message (err)
-     int err;
-{
-  switch (err)
-    {
-    case RDIError_NoError: 
-      return "no error";
-    case RDIError_Reset:
-      return "debuggee reset";
-    case RDIError_UndefinedInstruction:
-      return "undefined instruction";
-    case RDIError_SoftwareInterrupt:
-      return "SWI trapped";
-    case RDIError_PrefetchAbort:
-      return "prefetch abort, execution ran into unmapped memory?";
-    case RDIError_DataAbort:
-      return "data abort, no memory at specified address?";
-    case RDIError_AddressException:
-      return "address exception, access >26bit in 26bit mode";
-    case RDIError_IRQ:
-      return "IRQ, interrupt trapped";
-    case RDIError_FIQ:
-      return "FIQ, fast interrupt trapped";
-    case RDIError_Error:
-      return "a miscellaneous type of error";
-    case RDIError_BranchThrough0:
-      return "branch through location 0";
-    case RDIError_NotInitialised:
-      return "internal error, RDI_open not called first";
-    case RDIError_UnableToInitialise:
-      return "internal error, target world is broken";
-    case RDIError_WrongByteSex:
-      return "See Operator: WrongByteSex";
-    case RDIError_UnableToTerminate:
-      return "See Operator: Unable to Terminate";
-    case RDIError_BadInstruction:
-      return "bad instruction, illegal to execute this instruction";
-    case RDIError_IllegalInstruction:
-      return "illegal instruction, the effect of executing it is undefined";
-    case RDIError_BadCPUStateSetting:
-      return "internal error, tried to set SPSR of user mode";
-    case RDIError_UnknownCoPro:
-      return "unknown co-processor";
-    case RDIError_UnknownCoProState:
-      return "cannot execute co-processor request";
-    case RDIError_BadCoProState:
-      return "recognizably broken co-processor request";
-    case RDIError_BadPointType:
-      return "internal error, bad point yype";
-    case RDIError_UnimplementedType:
-      return "internal error, unimplemented type";
-    case RDIError_BadPointSize:
-      return "internal error, bad point size";
-    case RDIError_UnimplementedSize:
-      return "internal error, unimplemented size";
-    case RDIError_NoMorePoints:
-      return "last break/watch point was used";
-    case RDIError_BreakpointReached:
-      return "breakpoint reached";
-    case RDIError_WatchpointAccessed:
-      return "watchpoint accessed";
-    case RDIError_NoSuchPoint:
-      return "attempted to clear non-existent break/watch point";
-    case RDIError_ProgramFinishedInStep:
-      return "end of the program reached while stepping";
-    case RDIError_UserInterrupt:
-      return "you pressed Escape";
-    case RDIError_CantSetPoint:
-      return "no more break/watch points available";
-    case RDIError_IncompatibleRDILevels:
-      return "incompatible RDI levels";
-    case RDIError_LittleEndian:
-      return "debuggee is little endian";
-    case RDIError_BigEndian:
-      return "debuggee is big endian";
-    case RDIError_SoftInitialiseError:
-      return "recoverable error in RDI initialization";
-    case RDIError_InsufficientPrivilege:
-      return "internal error, supervisor state not accessible to monitor";
-    case RDIError_UnimplementedMessage:
-      return "internal error, unimplemented message";
-    case RDIError_UndefinedMessage:
-      return "internal error, undefined message";
-    default:
-      return "undefined error message, should reset target"; 
-    }
-}
-
-/* Convert the ARM error messages to signals that GDB knows about.  */
-
-static enum target_signal
-rdi_error_signal (err)
-     int err;
-{
-  switch (err)
-    {
-    case RDIError_NoError:
-      return 0;
-    case RDIError_Reset:
-      return TARGET_SIGNAL_TERM; /* ??? */
-    case RDIError_UndefinedInstruction:
-      return TARGET_SIGNAL_ILL;
-    case RDIError_SoftwareInterrupt:
-    case RDIError_PrefetchAbort:
-    case RDIError_DataAbort:
-      return TARGET_SIGNAL_TRAP;
-    case RDIError_AddressException:
-      return TARGET_SIGNAL_SEGV;
-    case RDIError_IRQ:
-    case RDIError_FIQ:
-      return TARGET_SIGNAL_TRAP;
-    case RDIError_Error:
-      return TARGET_SIGNAL_TERM;
-    case RDIError_BranchThrough0:
-      return TARGET_SIGNAL_TRAP;
-    case RDIError_NotInitialised:
-    case RDIError_UnableToInitialise:
-    case RDIError_WrongByteSex:
-    case RDIError_UnableToTerminate:
-      return TARGET_SIGNAL_UNKNOWN;
-    case RDIError_BadInstruction:
-    case RDIError_IllegalInstruction:
-      return TARGET_SIGNAL_ILL;
-    case RDIError_BadCPUStateSetting:
-    case RDIError_UnknownCoPro:
-    case RDIError_UnknownCoProState:
-    case RDIError_BadCoProState:
-    case RDIError_BadPointType:
-    case RDIError_UnimplementedType:
-    case RDIError_BadPointSize:
-    case RDIError_UnimplementedSize:
-    case RDIError_NoMorePoints:
-      return TARGET_SIGNAL_UNKNOWN;
-    case RDIError_BreakpointReached:
-    case RDIError_WatchpointAccessed:
-      return TARGET_SIGNAL_TRAP;
-    case RDIError_NoSuchPoint:
-    case RDIError_ProgramFinishedInStep:
-      return TARGET_SIGNAL_UNKNOWN;
-    case RDIError_UserInterrupt:
-      return TARGET_SIGNAL_INT;
-    case RDIError_IncompatibleRDILevels:
-    case RDIError_LittleEndian:
-    case RDIError_BigEndian:
-    case RDIError_SoftInitialiseError:
-    case RDIError_InsufficientPrivilege:
-    case RDIError_UnimplementedMessage:
-    case RDIError_UndefinedMessage:
-    default:
-      return TARGET_SIGNAL_UNKNOWN; 
-    }
-}
-
-/* Define the target operations structure.  */
-
-static void
-init_rdi_ops ()
-{
-  arm_rdi_ops.to_shortname = "rdi";	
-  arm_rdi_ops.to_longname = "ARM RDI";
-  arm_rdi_ops.to_doc = "Use a remote ARM-based computer; via the RDI library.\n\
-Specify the serial device it is connected to (e.g. /dev/ttya)." ; 
-  arm_rdi_ops.to_open = arm_rdi_open;		
-  arm_rdi_ops.to_close = arm_rdi_close;	
-  arm_rdi_ops.to_detach = arm_rdi_detach;	
-  arm_rdi_ops.to_resume = arm_rdi_resume;	
-  arm_rdi_ops.to_wait = arm_rdi_wait;	
-  arm_rdi_ops.to_fetch_registers = arm_rdi_fetch_registers;
-  arm_rdi_ops.to_store_registers = arm_rdi_store_registers;
-  arm_rdi_ops.to_prepare_to_store = arm_rdi_prepare_to_store;
-  arm_rdi_ops.to_xfer_memory = arm_rdi_xfer_memory;
-  arm_rdi_ops.to_files_info = arm_rdi_files_info;
-  arm_rdi_ops.to_insert_breakpoint = arm_rdi_insert_breakpoint;
-  arm_rdi_ops.to_remove_breakpoint = arm_rdi_remove_breakpoint;	
-  arm_rdi_ops.to_kill = arm_rdi_kill;		
-  arm_rdi_ops.to_load = generic_load;		
-  arm_rdi_ops.to_create_inferior = arm_rdi_create_inferior;
-  arm_rdi_ops.to_mourn_inferior = arm_rdi_mourn_inferior;
-  arm_rdi_ops.to_stratum = process_stratum;
-  arm_rdi_ops.to_has_all_memory = 1;	
-  arm_rdi_ops.to_has_memory = 1;	
-  arm_rdi_ops.to_has_stack = 1;	
-  arm_rdi_ops.to_has_registers = 1;	
-  arm_rdi_ops.to_has_execution = 1;	
-  arm_rdi_ops.to_magic = OPS_MAGIC;	
-}
-
-void
-_initialize_remote_rdi ()
-{
-  init_rdi_ops () ;
-  add_target (&arm_rdi_ops);
-}
-
-/* A little dummy to make linking with the library succeed. */
-
-int Fail() { return 0; }