From 6027a0b892f65d24bf6eda685a644459627be73f Mon Sep 17 00:00:00 2001 From: Jason Molenda Date: Tue, 8 Jun 1999 02:18:01 +0000 Subject: [PATCH] import gdb-1999-06-07 snapshot --- gdb/config/tm-vxworks.h | 22 + gdb/v850ice.c | 962 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 984 insertions(+) create mode 100644 gdb/config/tm-vxworks.h create mode 100644 gdb/v850ice.c diff --git a/gdb/config/tm-vxworks.h b/gdb/config/tm-vxworks.h new file mode 100644 index 00000000000..8653f88911c --- /dev/null +++ b/gdb/config/tm-vxworks.h @@ -0,0 +1,22 @@ +/* Target machine description for VxWorks, for GDB, the GNU debugger. + Copyright 1999 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. */ + +#define GDBINIT_FILENAME ".vxgdbinit" + +#define DEFAULT_PROMPT "(vxgdb) " 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 +#include /* 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"); +} -- 2.30.2