mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-15 04:31:49 +08:00
964 lines
23 KiB
C
964 lines
23 KiB
C
/* 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 (®isters[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");
|
|
}
|