summaryrefslogtreecommitdiff
path: root/gdb/v850ice.c
diff options
context:
space:
mode:
authorJason Molenda <jsm@bugshack.cygnus.com>1999-06-08 02:18:01 +0000
committerJason Molenda <jsm@bugshack.cygnus.com>1999-06-08 02:18:01 +0000
commitae950c2080f59fc9abf1ee78e91aee5aab99a8b0 (patch)
tree6bdf8a2504b9b21f2d5135b9b12f09f69bb39771 /gdb/v850ice.c
parent9177770338c78eb3ff621c63a83d086d72388fa0 (diff)
downloadgdb-ae950c2080f59fc9abf1ee78e91aee5aab99a8b0.tar.gz
Initial revision
Diffstat (limited to 'gdb/v850ice.c')
-rw-r--r--gdb/v850ice.c962
1 files changed, 962 insertions, 0 deletions
diff --git a/gdb/v850ice.c b/gdb/v850ice.c
new file mode 100644
index 00000000000..da2b4c97b7c
--- /dev/null
+++ b/gdb/v850ice.c
@@ -0,0 +1,962 @@
+/* ICE interface for the NEC V850 for GDB, the GNU debugger.
+ Copyright 1996, 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 "frame.h"
+#include "symtab.h"
+#include "inferior.h"
+#include "breakpoint.h"
+#include "symfile.h"
+#include "target.h"
+#include "objfiles.h"
+#include "gdbcore.h"
+#include "value.h"
+#include "command.h"
+
+#include <windows.h>
+#include <winuser.h> /* for WM_USER */
+
+extern unsigned long int strtoul(const char *nptr, char **endptr,
+ int base);
+
+/* Local data definitions */
+struct MessageIO
+{
+ int size; /* length of input or output in bytes */
+ char * buf; /* buffer having the input/output information */
+};
+
+/* Prototypes for functions located in other files */
+extern void break_command PARAMS ((char *, int));
+
+extern void stepi_command PARAMS ((char *, int));
+
+extern void nexti_command PARAMS ((char *, int));
+
+extern void continue_command PARAMS ((char *, int));
+
+extern int (*ui_loop_hook) PARAMS ((int));
+
+/* Prototypes for local functions */
+static int init_hidden_window PARAMS ((void));
+
+static LRESULT CALLBACK v850ice_wndproc PARAMS ((HWND, UINT, WPARAM, LPARAM));
+
+static void v850ice_files_info PARAMS ((struct target_ops *ignore));
+
+static int v850ice_xfer_memory PARAMS ((CORE_ADDR memaddr, char *myaddr,
+ int len, int should_write,
+ struct target_ops *target));
+
+static void v850ice_prepare_to_store PARAMS ((void));
+
+static void v850ice_fetch_registers PARAMS ((int regno));
+
+static void v850ice_resume PARAMS ((int pid, int step,
+ enum target_signal siggnal));
+
+static void v850ice_open PARAMS ((char *name, int from_tty));
+
+static void v850ice_close PARAMS ((int quitting));
+
+static void v850ice_stop PARAMS ((void));
+
+static void v850ice_store_registers PARAMS ((int regno));
+
+static void v850ice_mourn PARAMS ((void));
+
+static int v850ice_wait PARAMS ((int pid, struct target_waitstatus *status));
+
+static void v850ice_kill PARAMS ((void));
+
+static void v850ice_detach PARAMS ((char *args, int from_tty));
+
+static int v850ice_insert_breakpoint PARAMS ((CORE_ADDR, char *));
+
+static int v850ice_remove_breakpoint PARAMS ((CORE_ADDR, char *));
+
+static void v850ice_command PARAMS ((char *, int));
+
+static int ice_disassemble PARAMS ((unsigned long, int, char *));
+
+static int ice_lookup_addr PARAMS ((unsigned long *, char *, char *));
+
+static int ice_lookup_symbol PARAMS ((unsigned long, char *));
+
+static void ice_SimulateDisassemble PARAMS ((char *, int));
+
+static void ice_SimulateAddrLookup PARAMS ((char *, int));
+
+static void ice_Simulate_SymLookup PARAMS ((char *, int));
+
+static void ice_fputs PARAMS ((const char *, GDB_FILE *));
+
+static int ice_file PARAMS ((char *));
+
+static int ice_cont PARAMS ((char *));
+
+static int ice_stepi PARAMS ((char *));
+
+static int ice_nexti PARAMS ((char *));
+
+static void togdb_force_update PARAMS ((void));
+
+static void do_gdb (char *, char *, void (*func) PARAMS ((char *, int)), int);
+
+
+/* Globals */
+static HWND hidden_hwnd; /* HWND for messages */
+
+long (__stdcall *ExeAppReq) PARAMS ((char *, long, char *, struct MessageIO *));
+
+long (__stdcall *RegisterClient) PARAMS ((HWND));
+
+long (__stdcall *UnregisterClient) PARAMS ((void));
+
+
+/* Globals local to this file only */
+static int ice_open = 0; /* Is ICE open? */
+
+static char * v850_CB_Result; /* special char array for saving 'callback' results */
+
+static int SimulateCallback; /* simulate a callback event */
+
+#define MAX_BLOCK_SIZE 64*1024 /* Cannot transfer memory in blocks bigger
+ than this */
+/* MDI/ICE Message IDs */
+#define GSINGLESTEP 0x200 /* single-step target */
+#define GRESUME 0x201 /* resume target */
+#define GREADREG 0x202 /* read a register */
+#define GWRITEREG 0x203 /* write a register */
+#define GWRITEBLOCK 0x204 /* write a block of memory */
+#define GREADBLOCK 0x205 /* read a block of memory */
+#define GSETBREAK 0x206 /* set a breakpoint */
+#define GREMOVEBREAK 0x207 /* remove a breakpoint */
+#define GHALT 0x208 /* ??? */
+#define GCHECKSTATUS 0x209 /* check status of ICE */
+#define GMDIREPLY 0x210 /* Reply for previous query - NOT USED */
+#define GDOWNLOAD 0x211 /* something for MDI */
+#define GCOMMAND 0x212 /* execute command in ice */
+#define GLOADFILENAME 0x213 /* retrieve load filename */
+#define GWRITEMEM 0x214 /* write word, half-word, or byte */
+
+/* GCHECKSTATUS return codes: */
+#define ICE_Idle 0x00
+#define ICE_Breakpoint 0x01 /* hit a breakpoint */
+#define ICE_Stepped 0x02 /* have stepped */
+#define ICE_Exception 0x03 /* have exception */
+#define ICE_Halted 0x04 /* hit a user halt */
+#define ICE_Exited 0x05 /* called exit */
+#define ICE_Terminated 0x06 /* user terminated */
+#define ICE_Running 0x07
+#define ICE_Unknown 0x99
+
+/* Windows messages */
+#define WM_STATE_CHANGE WM_USER+101
+#define WM_SYM_TO_ADDR WM_USER+102
+#define WM_ADDR_TO_SYM WM_USER+103
+#define WM_DISASSEMBLY WM_USER+104
+#define WM_SOURCE WM_USER+105
+
+/* STATE_CHANGE codes */
+#define STATE_CHANGE_REGS 1 /* Register(s) changed */
+#define STATE_CHANGE_LOAD 2 /* HW reset */
+#define STATE_CHANGE_RESET 3 /* Load new file */
+#define STATE_CHANGE_CONT 4 /* Run target */
+#define STATE_CHANGE_STOP 5 /* Stop target */
+#define STATE_CHANGE_STEPI 6 /* Stepi target */
+#define STATE_CHANGE_NEXTI 7 /* Nexti target */
+
+static struct target_ops v850ice_ops; /* Forward decl */
+
+/* This function creates a hidden window */
+static int
+init_hidden_window ()
+{
+ WNDCLASS class;
+
+ if (hidden_hwnd != NULL)
+ return 1;
+
+ class.style = 0;
+ class.cbClsExtra = 0;
+ class.cbWndExtra = 0;
+ class.hInstance = GetModuleHandle (0);
+ class.hbrBackground = NULL;
+ class.lpszMenuName = NULL;
+ class.lpszClassName = "gdb_v850ice";
+ class.lpfnWndProc = v850ice_wndproc;
+ class.hIcon = NULL;
+ class.hCursor = NULL;
+
+ if (! RegisterClass (&class))
+ return 0;
+
+ hidden_hwnd = CreateWindow ("gdb_v850ice", "gdb_v850ice", WS_TILED,
+ 0, 0, 0, 0, NULL, NULL, class.hInstance,
+ NULL);
+ if (hidden_hwnd == NULL)
+ {
+ char buf[200];
+ DWORD err;
+
+ err = GetLastError ();
+ FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM, NULL, err,
+ 0, buf, 200, NULL);
+ printf_unfiltered ("Could not create window: %s", buf);
+ return 0;
+ }
+
+ return 1;
+}
+
+/*
+ This function is installed as the message handler for the hidden window
+ which QBox will use to communicate with gdb. It recognize and acts
+ on the following messages:
+
+ WM_SYM_TO_ADDR \
+ WM_ADDR_TO_SYM | Not implemented at NEC's request
+ WM_DISASSEMBLY /
+ WM_STATE_CHANGE - tells us that a state change has occured in the ICE
+*/
+static LRESULT CALLBACK
+v850ice_wndproc (hwnd, message, wParam, lParam)
+ HWND hwnd;
+ UINT message;
+ WPARAM wParam;
+ LPARAM lParam;
+{
+ LRESULT result = FALSE;
+
+ switch (message)
+ {
+ case WM_SYM_TO_ADDR:
+ MessageBox (0, "Symbol resolution\nNot implemented", "GDB", MB_OK);
+ break;
+ case WM_ADDR_TO_SYM:
+ MessageBox (0, "Address resolution\nNot implemented", "GDB", MB_OK);
+ break;
+ case WM_SOURCE:
+ break;
+ case WM_STATE_CHANGE:
+ switch (wParam)
+ {
+ case STATE_CHANGE_LOAD:
+ {
+ struct MessageIO iob;
+ char buf[128];
+
+ iob.buf = buf;
+ iob.size = 128;
+
+ /* Load in a new file... Need filename */
+ ExeAppReq ("GDB", GLOADFILENAME, NULL, &iob);
+ if (!catch_errors ((catch_errors_ftype *) ice_file, iob.buf, "", RETURN_MASK_ALL))
+ printf_unfiltered ("load errored\n");
+ }
+ break;
+ case STATE_CHANGE_RESET:
+ registers_changed ();
+ flush_cached_frames ();
+ togdb_force_update ();
+ result = TRUE;
+ break;
+ case STATE_CHANGE_REGS:
+ registers_changed ();
+ togdb_force_update ();
+ result = TRUE;
+ break;
+ case STATE_CHANGE_CONT:
+ if (!catch_errors ((catch_errors_ftype *)ice_cont, NULL, "", RETURN_MASK_ALL))
+ printf_unfiltered ("continue errored\n");
+ result = TRUE;
+ break;
+ case STATE_CHANGE_STEPI:
+ if (!catch_errors ((catch_errors_ftype *)ice_stepi, (PTR)(int) lParam, "",
+ RETURN_MASK_ALL))
+ printf_unfiltered ("stepi errored\n");
+ result = TRUE;
+ break;
+ case STATE_CHANGE_NEXTI:
+ if (!catch_errors ((catch_errors_ftype *)ice_nexti, (PTR)(int) lParam, "",
+ RETURN_MASK_ALL))
+ printf_unfiltered ("nexti errored\n");
+ result = TRUE;
+ break;
+ }
+ }
+
+ if (result == FALSE)
+ return DefWindowProc (hwnd, message, wParam, lParam);
+
+ return FALSE;
+}
+
+/* Code for opening a connection to the ICE. */
+
+static void
+v850ice_open (name, from_tty)
+ char *name;
+ int from_tty;
+{
+ HINSTANCE handle;
+
+ if (name)
+ error ("Too many arguments.");
+
+ target_preopen (from_tty);
+
+ unpush_target (&v850ice_ops);
+
+ if (from_tty)
+ puts_filtered ("V850ice debugging\n");
+
+ push_target (&v850ice_ops); /* Switch to using v850ice target now */
+
+ target_terminal_init ();
+
+ /* Initialize everything necessary to facilitate communication
+ between QBox, gdb, and the DLLs which control the ICE */
+ if (ExeAppReq == NULL)
+ {
+ handle = LoadLibrary ("necmsg.dll");
+ if (handle == NULL)
+ error ("Cannot load necmsg.dll");
+
+ ExeAppReq = (long (*) PARAMS ((char *, long, char *, struct MessageIO *)))
+ GetProcAddress (handle, "ExeAppReq");
+ RegisterClient = (long (*) PARAMS ((HWND)))
+ GetProcAddress (handle, "RegisterClient");
+ UnregisterClient = (long (*) PARAMS ((void)))
+ GetProcAddress (handle, "UnregisterClient");
+
+ if (ExeAppReq == NULL || RegisterClient == NULL || UnregisterClient == NULL)
+ error ("Could not find requisite functions in necmsg.dll.");
+
+ if (!init_hidden_window ())
+ error ("could not initialize message handling");
+ }
+
+ /* Tell the DLL we are here */
+ RegisterClient (hidden_hwnd);
+
+ ice_open = 1;
+
+ /* Without this, some commands which require an active target (such as kill)
+ won't work. This variable serves (at least) double duty as both the pid
+ of the target process (if it has such), and as a flag indicating that a
+ target is active. These functions should be split out into seperate
+ variables, especially since GDB will someday have a notion of debugging
+ several processes. */
+ inferior_pid = 42000;
+
+ start_remote ();
+ return;
+}
+
+/* Clean up connection to a remote debugger. */
+
+/* ARGSUSED */
+static void
+v850ice_close (quitting)
+ int quitting;
+{
+ if (ice_open)
+ {
+ UnregisterClient ();
+ ice_open = 0;
+ inferior_pid = 0;
+ }
+}
+
+/* Stop the process on the ice. */
+static void
+v850ice_stop ()
+{
+ /* This is silly, but it works... */
+ v850ice_command ("stop", 0);
+}
+
+static void
+v850ice_detach (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ if (args)
+ error ("Argument given to \"detach\" when remotely debugging.");
+
+ pop_target ();
+ if (from_tty)
+ puts_filtered ("Ending v850ice debugging.\n");
+}
+
+/* Tell the remote machine to resume. */
+
+static void
+v850ice_resume (pid, step, siggnal)
+ int pid, step;
+ enum target_signal siggnal;
+{
+ long retval;
+ char buf[256];
+ struct MessageIO iob;
+
+ iob.size = 0;
+ iob.buf = buf;
+
+ if (step)
+ retval = ExeAppReq ("GDB", GSINGLESTEP, "step", &iob);
+ else
+ retval = ExeAppReq ("GDB", GRESUME, "run", &iob);
+
+ if (retval)
+ error ("ExeAppReq (step = %d) returned %d", step, retval);
+}
+
+/* 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
+v850ice_wait (pid, status)
+ int pid;
+ struct target_waitstatus *status;
+{
+ long v850_status;
+ char buf[256];
+ struct MessageIO iob;
+ int done = 0;
+ int count = 0;
+
+ iob.size = 0;
+ iob.buf = buf;
+
+ do
+ {
+ if (count++ % 100000)
+ {
+ ui_loop_hook (0);
+ count = 0;
+ }
+
+ v850_status = ExeAppReq ("GDB", GCHECKSTATUS, NULL, &iob);
+
+ switch (v850_status)
+ {
+ case ICE_Idle:
+ case ICE_Breakpoint:
+ case ICE_Stepped:
+ case ICE_Halted:
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_TRAP;
+ done = 1;
+ break;
+ case ICE_Exception:
+ status->kind = TARGET_WAITKIND_SIGNALLED;
+ status->value.sig = TARGET_SIGNAL_SEGV;
+ done = 1;
+ break;
+ case ICE_Exited:
+ status->kind = TARGET_WAITKIND_EXITED;
+ status->value.integer = 0;
+ done = 1;
+ break;
+ case ICE_Terminated:
+ status->kind = TARGET_WAITKIND_SIGNALLED;
+ status->value.sig = TARGET_SIGNAL_KILL;
+ done = 1;
+ break;
+ default:
+ break;
+ }
+ }
+ while (!done);
+
+ return inferior_pid;
+}
+
+static int
+convert_register (regno, buf)
+ int regno;
+ char *buf;
+{
+ if (regno <= 31)
+ sprintf (buf, "r%d", regno);
+ else if (REGISTER_NAME (regno)[0] == 's'
+ && REGISTER_NAME (regno)[1] == 'r')
+ return 0;
+ else
+ sprintf (buf, "%s", REGISTER_NAME (regno));
+
+ return 1;
+}
+
+/* Read the remote registers into the block REGS. */
+/* Note that the ICE returns register contents as ascii hex strings. We have
+ to convert that to an unsigned long, and then call store_unsigned_integer to
+ convert it to target byte-order if necessary. */
+
+static void
+v850ice_fetch_registers (regno)
+ int regno;
+{
+ long retval;
+ char cmd[100];
+ char val[100];
+ struct MessageIO iob;
+ unsigned long regval;
+ char *p;
+
+ if (regno == -1)
+ {
+ for (regno = 0; regno < NUM_REGS; regno++)
+ v850ice_fetch_registers (regno);
+ return;
+ }
+
+ strcpy (cmd, "reg ");
+ if (!convert_register (regno, &cmd[4]))
+ return;
+
+ iob.size = sizeof val;
+ iob.buf = val;
+ retval = ExeAppReq ("GDB", GREADREG, cmd, &iob);
+ if (retval)
+ error ("1: ExeAppReq returned %d: cmd = %s", retval, cmd);
+
+ regval = strtoul (val, NULL, 16);
+ if (regval == 0 && p == val)
+ error ("v850ice_fetch_registers (%d): bad value from ICE: %s.",
+ regno, val);
+
+ store_unsigned_integer (val, REGISTER_RAW_SIZE (regno), regval);
+ supply_register (regno, val);
+}
+
+/* Store register REGNO, or all registers if REGNO == -1, from the contents
+ of REGISTERS. */
+
+static void
+v850ice_store_registers (regno)
+ int regno;
+{
+ long retval;
+ char cmd[100];
+ unsigned long regval;
+ char buf[256];
+ struct MessageIO iob;
+ iob.size = 0;
+ iob.buf = buf;
+
+ if (regno == -1)
+ {
+ for (regno = 0; regno < NUM_REGS; regno++)
+ v850ice_store_registers (regno);
+ return;
+ }
+
+ regval = extract_unsigned_integer (&registers[REGISTER_BYTE (regno)],
+ REGISTER_RAW_SIZE (regno));
+ strcpy (cmd, "reg ");
+ if (!convert_register (regno, &cmd[4]))
+ return;
+ sprintf (cmd + strlen (cmd), "=0x%x", regval);
+
+ retval = ExeAppReq ("GDB", GWRITEREG, cmd, &iob);
+ if (retval)
+ error ("2: ExeAppReq returned %d: cmd = %s", retval, cmd);
+}
+
+/* Prepare to store registers. Nothing to do here, since the ICE can write one
+ register at a time. */
+
+static void
+v850ice_prepare_to_store ()
+{
+}
+
+/* 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.
+
+ We can only read/write MAX_BLOCK_SIZE bytes at a time, though, or the DLL
+ dies */
+/* ARGSUSED */
+static int
+v850ice_xfer_memory (memaddr, myaddr, len, should_write, target)
+ CORE_ADDR memaddr;
+ char *myaddr;
+ int len;
+ int should_write;
+ struct target_ops *target; /* ignored */
+{
+ long retval;
+ char cmd[100];
+ struct MessageIO iob;
+ int sent;
+
+ if (should_write)
+ {
+ if (len == 4 || len == 2 || len == 1)
+ {
+ long value = 0;
+ char buf[256];
+ char c;
+
+ iob.size = 0;
+ iob.buf = buf;
+
+ sent = 0;
+ switch (len)
+ {
+ case 4:
+ c = 'w';
+ value |= (long) ((myaddr[3] << 24) & 0xff000000);
+ value |= (long) ((myaddr[2] << 16) & 0x00ff0000);
+ value |= (long) ((myaddr[1] << 8) & 0x0000ff00);
+ value |= (long) (myaddr[0] & 0x000000ff);
+ break;
+ case 2:
+ c = 'h';
+ value |= (long) ((myaddr[1] << 8) & 0xff00);
+ value |= (long) (myaddr[0] & 0x00ff);
+ break;
+ case 1:
+ c = 'b';
+ value |= (long) (myaddr[0] & 0xff);
+ break;
+ }
+
+ sprintf (cmd, "memory %c c 0x%x=0x%x", c, (int) memaddr, value);
+ retval = ExeAppReq ("GDB", GWRITEMEM, cmd, &iob);
+ if (retval == 0)
+ sent = len;
+ }
+ else
+ {
+ sent = 0;
+ do
+ {
+ iob.size = len > MAX_BLOCK_SIZE ? MAX_BLOCK_SIZE : len;
+ iob.buf = myaddr;
+ sprintf (cmd, "memory b c 0x%x=0x00 l=%d", (int) memaddr, iob.size);
+ retval = ExeAppReq ("GDB", GWRITEBLOCK, cmd, &iob);
+ if (retval != 0)
+ break;
+ len -= iob.size;
+ memaddr += iob.size;
+ myaddr += iob.size;
+ sent += iob.size;
+ }
+ while (len > 0);
+ }
+ }
+ else
+ {
+ unsigned char *tmp;
+ unsigned char *t;
+ int i;
+
+ tmp = alloca (len + 100);
+ t = tmp;
+ memset (tmp + len, 0xff, 100);
+
+ sent = 0;
+ do
+ {
+ iob.size = len > MAX_BLOCK_SIZE ? MAX_BLOCK_SIZE : len;
+ iob.buf = tmp;
+ sprintf (cmd, "memory b 0x%x l=%d", (int)memaddr, iob.size);
+ retval = ExeAppReq ("GDB", GREADBLOCK, cmd, &iob);
+ if (retval != 0)
+ break;
+ len -= iob.size;
+ memaddr += iob.size;
+ sent += iob.size;
+ tmp += iob.size;
+ }
+ while (len > 0);
+
+ if (retval == 0)
+ {
+ for (i = 0; i < 100; i++)
+ {
+ if (t[sent + i] != 0xff)
+ {
+ warning ("GREADBLOCK trashed bytes after transfer area.");
+ break;
+ }
+ }
+ memcpy (myaddr, t, sent);
+ }
+ }
+
+ if (retval != 0)
+ error ("3: ExeAppReq returned %d: cmd = %s", retval, cmd);
+
+ return sent;
+}
+
+static void
+v850ice_files_info (ignore)
+ struct target_ops *ignore;
+{
+ puts_filtered ("Debugging a target via the NEC V850 ICE.\n");
+}
+
+static int
+v850ice_insert_breakpoint (addr, contents_cache)
+ CORE_ADDR addr;
+ char *contents_cache;
+{
+ long retval;
+ char cmd[100];
+ char buf[256];
+ struct MessageIO iob;
+
+ iob.size = 0;
+ iob.buf = buf;
+ sprintf (cmd, "%d, ", addr);
+
+ retval = ExeAppReq ("GDB", GSETBREAK, cmd, &iob);
+ if (retval)
+ error ("ExeAppReq (GSETBREAK) returned %d: cmd = %s", retval, cmd);
+
+ return 0;
+}
+
+static int
+v850ice_remove_breakpoint (addr, contents_cache)
+ CORE_ADDR addr;
+ char *contents_cache;
+{
+ long retval;
+ char cmd[100];
+ char buf[256];
+ struct MessageIO iob;
+
+ iob.size = 0;
+ iob.buf = buf;
+
+ sprintf (cmd, "%d, ", addr);
+
+ retval = ExeAppReq ("GDB", GREMOVEBREAK, cmd, &iob);
+ if (retval)
+ error ("ExeAppReq (GREMOVEBREAK) returned %d: cmd = %s", retval, cmd);
+
+ return 0;
+}
+
+static void
+v850ice_kill ()
+{
+ target_mourn_inferior ();
+ inferior_pid = 0;
+}
+
+static void
+v850ice_mourn ()
+{
+}
+
+static void
+v850ice_load (filename, from_tty)
+ char * filename;
+ int from_tty;
+{
+ struct MessageIO iob;
+ char buf[256];
+
+ iob.size = 0;
+ iob.buf = buf;
+ generic_load(filename, from_tty);
+ ExeAppReq ("GDB", GDOWNLOAD, filename, &iob);
+}
+
+static int
+ice_file (arg)
+ char *arg;
+{
+ char *s;
+
+ target_detach (NULL, 0);
+ pop_target ();
+
+ printf_unfiltered ("\n");
+
+ s = arg;
+ while (*s != '\0')
+ {
+ if (*s == '\\')
+ *s = '/';
+ s++;
+ }
+
+ /* Safegaurd against confusing the breakpoint routines... */
+ delete_command(NULL, 0);
+
+ /* Must supress from_tty, otherwise we could start asking if the
+ user really wants to load a new symbol table, etc... */
+ printf_unfiltered ("Reading symbols from %s...", arg);
+ exec_file_command (arg, 0);
+ symbol_file_command (arg, 0);
+ printf_unfiltered ("done\n");
+
+ /* exec_file_command will kill our target, so reinstall the ICE as
+ the target. */
+ v850ice_open (NULL, 0);
+
+ togdb_force_update ();
+ return 1;
+}
+
+static int
+ice_cont (c)
+ char *c;
+{
+ printf_filtered ("continue (ice)\n");
+ ReplyMessage ((LRESULT) 1);
+
+ continue_command (NULL, 1);
+
+ return 1;
+}
+
+static void
+do_gdb (cmd, str, func, count)
+ char *cmd;
+ char *str;
+ void (*func) PARAMS ((char *, int));
+ int count;
+{
+ ReplyMessage ((LRESULT) 1);
+
+ while (count--)
+ {
+ printf_unfiltered (str);
+
+ func (NULL, 0);
+ }
+}
+
+
+static int
+ice_stepi (c)
+ char *c;
+{
+ int count = (int) c;
+
+ do_gdb ("gdb_immediate stepi", "stepi (ice)\n", stepi_command, count);
+ return 1;
+}
+
+static int
+ice_nexti (c)
+ char *c;
+{
+ int count = (int) c;
+
+ do_gdb ("gdb_immediate nexti", "nexti (ice)\n", nexti_command, count);
+ return 1;
+}
+
+static void
+v850ice_command (arg, from_tty)
+ char *arg;
+ int from_tty;
+{
+ struct MessageIO iob;
+ char buf[256];
+
+ iob.buf = buf;
+ iob.size = 0;
+ ExeAppReq ("GDB", GCOMMAND, arg, &iob);
+}
+
+static void
+togdb_force_update (void)
+{
+}
+
+
+/* Define the target subroutine names */
+
+static void
+init_850ice_ops(void)
+{
+ v850ice_ops.to_shortname = "ice";
+ v850ice_ops.to_longname = "NEC V850 ICE interface";
+ v850ice_ops.to_doc = "Debug a system controlled by a NEC 850 ICE.";
+ v850ice_ops.to_open = v850ice_open;
+ v850ice_ops.to_close = v850ice_close;
+ v850ice_ops.to_attach = NULL;
+ v850ice_ops.to_post_attach = NULL;
+ v850ice_ops.to_require_attach = NULL;
+ v850ice_ops.to_detach = v850ice_detach;
+ v850ice_ops.to_require_detach = NULL;
+ v850ice_ops.to_resume = v850ice_resume;
+ v850ice_ops.to_wait = v850ice_wait;
+ v850ice_ops.to_post_wait = NULL;
+ v850ice_ops.to_fetch_registers = v850ice_fetch_registers;
+ v850ice_ops.to_store_registers = v850ice_store_registers;
+ v850ice_ops.to_prepare_to_store = v850ice_prepare_to_store;
+ v850ice_ops.to_xfer_memory = v850ice_xfer_memory;
+ v850ice_ops.to_files_info = v850ice_files_info;
+ v850ice_ops.to_insert_breakpoint = v850ice_insert_breakpoint;
+ v850ice_ops.to_remove_breakpoint = v850ice_remove_breakpoint;
+ v850ice_ops.to_terminal_init = NULL;
+ v850ice_ops.to_terminal_inferior = NULL;
+ v850ice_ops.to_terminal_ours_for_output = NULL;
+ v850ice_ops.to_terminal_ours = NULL;
+ v850ice_ops.to_terminal_info = NULL;
+ v850ice_ops.to_kill = v850ice_kill;
+ v850ice_ops.to_load = v850ice_load;
+ v850ice_ops.to_lookup_symbol = NULL;
+ v850ice_ops.to_create_inferior = NULL;
+ v850ice_ops.to_mourn_inferior = v850ice_mourn;
+ v850ice_ops.to_can_run = 0;
+ v850ice_ops.to_notice_signals = 0;
+ v850ice_ops.to_thread_alive = NULL;
+ v850ice_ops.to_stop = v850ice_stop;
+ v850ice_ops.to_pid_to_exec_file = NULL;
+ v850ice_ops.to_core_file_to_sym_file = NULL;
+ v850ice_ops.to_stratum = process_stratum;
+ v850ice_ops.DONT_USE = NULL;
+ v850ice_ops.to_has_all_memory = 1;
+ v850ice_ops.to_has_memory = 1;
+ v850ice_ops.to_has_stack = 1;
+ v850ice_ops.to_has_registers = 1;
+ v850ice_ops.to_has_execution = 1;
+ v850ice_ops.to_sections = NULL;
+ v850ice_ops.to_sections_end = NULL;
+ v850ice_ops.to_magic = OPS_MAGIC ;
+}
+
+void
+_initialize_v850ice ()
+{
+ init_850ice_ops ();
+ add_target (&v850ice_ops);
+
+ add_com ("ice", class_obscure, v850ice_command,
+ "Send command to ICE");
+}