1994-07-29 00:07:02 +02:00
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/* TK interface routines.
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Copyright 1994 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "defs.h"
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#include "symtab.h"
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#include "inferior.h"
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#include "command.h"
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#include "bfd.h"
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#include "symfile.h"
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#include "objfiles.h"
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#include "target.h"
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#include <tcl.h>
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#include <tk.h>
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1994-11-02 01:50:12 +01:00
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#include <varargs.h>
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#include <signal.h>
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#include <fcntl.h>
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1994-09-13 18:24:01 +02:00
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#include <unistd.h>
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1994-07-29 00:07:02 +02:00
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/* Non-zero means that we're doing the gdbtk interface. */
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int gdbtk = 0;
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/* Non-zero means we are reloading breakpoints, etc from the
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Gdbtk kernel, and we should suppress various messages */
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static int gdbtk_reloading = 0;
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/* Handle for TCL interpreter */
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static Tcl_Interp *interp = NULL;
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/* Handle for TK main window */
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static Tk_Window mainWindow = NULL;
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1994-10-21 01:59:20 +01:00
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static int x_fd; /* X network socket */
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1994-07-29 00:07:02 +02:00
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static void
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null_routine(arg)
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int arg;
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{
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}
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/* This routine redirects the output of fputs_unfiltered so that
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the user can see what's going on in his debugger window. */
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1994-09-13 18:24:01 +02:00
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static char holdbuf[200];
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static char *holdbufp = holdbuf;
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static int holdfree = sizeof (holdbuf);
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1994-07-29 00:07:02 +02:00
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static void
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1994-09-13 18:24:01 +02:00
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flush_holdbuf ()
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1994-07-29 00:07:02 +02:00
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{
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1994-09-13 18:24:01 +02:00
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if (holdbufp == holdbuf)
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return;
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Tcl_VarEval (interp, "gdbtk_tcl_fputs ", "{", holdbuf, "}", NULL);
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holdbufp = holdbuf;
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holdfree = sizeof (holdbuf);
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1994-07-29 00:07:02 +02:00
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}
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static void
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gdbtk_flush (stream)
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FILE *stream;
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{
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1994-09-13 18:24:01 +02:00
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flush_holdbuf ();
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1994-07-29 00:07:02 +02:00
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Tcl_VarEval (interp, "gdbtk_tcl_flush", NULL);
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}
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1994-09-13 18:24:01 +02:00
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static void
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gdbtk_fputs (ptr)
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const char *ptr;
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{
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int len;
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len = strlen (ptr) + 1;
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if (len > holdfree)
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{
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flush_holdbuf ();
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if (len > sizeof (holdbuf))
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{
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Tcl_VarEval (interp, "gdbtk_tcl_fputs ", "{", ptr, "}", NULL);
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return;
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}
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}
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strncpy (holdbufp, ptr, len);
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holdbufp += len - 1;
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holdfree -= len - 1;
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}
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1994-07-29 00:07:02 +02:00
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static int
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gdbtk_query (args)
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va_list args;
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{
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char *query;
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char buf[200];
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long val;
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query = va_arg (args, char *);
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vsprintf(buf, query, args);
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Tcl_VarEval (interp, "gdbtk_tcl_query ", "{", buf, "}", NULL);
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val = atol (interp->result);
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return val;
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}
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1994-09-17 00:57:37 +02:00
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#if 0
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1994-07-29 00:07:02 +02:00
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static char *
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full_filename(symtab)
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struct symtab *symtab;
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{
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int pathlen;
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char *filename;
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if (!symtab)
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return NULL;
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if (symtab->fullname)
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return savestring(symtab->fullname, strlen(symtab->fullname));
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if (symtab->filename[0] == '/')
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return savestring(symtab->filename, strlen(symtab->filename));
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if (symtab->dirname)
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pathlen = strlen(symtab->dirname);
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else
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pathlen = 0;
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if (symtab->filename)
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pathlen += strlen(symtab->filename);
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filename = xmalloc(pathlen+1);
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if (symtab->dirname)
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strcpy(filename, symtab->dirname);
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else
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*filename = '\000';
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if (symtab->filename)
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strcat(filename, symtab->filename);
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return filename;
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}
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1994-09-17 00:57:37 +02:00
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#endif
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1994-07-29 00:07:02 +02:00
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static void
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breakpoint_notify(b, action)
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struct breakpoint *b;
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const char *action;
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{
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struct symbol *sym;
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1994-09-13 18:24:01 +02:00
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char bpnum[50], line[50], pc[50];
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1994-07-29 00:07:02 +02:00
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struct symtab_and_line sal;
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char *filename;
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int v;
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if (b->type != bp_breakpoint)
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return;
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sal = find_pc_line (b->address, 0);
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1994-09-17 00:57:37 +02:00
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filename = symtab_to_filename (sal.symtab);
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1994-07-29 00:07:02 +02:00
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sprintf (bpnum, "%d", b->number);
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sprintf (line, "%d", sal.line);
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1994-09-13 18:24:01 +02:00
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sprintf (pc, "0x%x", b->address);
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1994-07-29 00:07:02 +02:00
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v = Tcl_VarEval (interp,
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"gdbtk_tcl_breakpoint ",
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action,
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" ", bpnum,
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" ", filename,
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" ", line,
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1994-09-13 18:24:01 +02:00
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" ", pc,
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1994-07-29 00:07:02 +02:00
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NULL);
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if (v != TCL_OK)
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{
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gdbtk_fputs (interp->result);
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gdbtk_fputs ("\n");
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}
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}
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static void
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gdbtk_create_breakpoint(b)
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struct breakpoint *b;
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{
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breakpoint_notify(b, "create");
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}
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static void
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gdbtk_delete_breakpoint(b)
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struct breakpoint *b;
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{
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breakpoint_notify(b, "delete");
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}
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static void
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gdbtk_enable_breakpoint(b)
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struct breakpoint *b;
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{
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breakpoint_notify(b, "enable");
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}
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static void
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gdbtk_disable_breakpoint(b)
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struct breakpoint *b;
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{
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breakpoint_notify(b, "disable");
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}
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/* This implements the TCL command `gdb_loc', which returns a list consisting
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of the source and line number associated with the current pc. */
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static int
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gdb_loc (clientData, interp, argc, argv)
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ClientData clientData;
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Tcl_Interp *interp;
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int argc;
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char *argv[];
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{
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char *filename;
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char buf[100];
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struct symtab_and_line sal;
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char *funcname;
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1994-09-13 18:24:01 +02:00
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CORE_ADDR pc;
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1994-07-29 00:07:02 +02:00
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if (argc == 1)
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{
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struct frame_info *frame;
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struct symbol *func;
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frame = get_frame_info (selected_frame);
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1994-09-13 18:24:01 +02:00
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1994-07-29 00:07:02 +02:00
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pc = frame ? frame->pc : stop_pc;
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1994-09-13 18:24:01 +02:00
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1994-07-29 00:07:02 +02:00
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sal = find_pc_line (pc, 0);
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}
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else if (argc == 2)
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{
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struct symtabs_and_lines sals;
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1994-09-13 18:24:01 +02:00
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int nelts;
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1994-07-29 00:07:02 +02:00
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sals = decode_line_spec (argv[1], 1);
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1994-09-13 18:24:01 +02:00
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nelts = sals.nelts;
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sal = sals.sals[0];
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free (sals.sals);
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1994-07-29 00:07:02 +02:00
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if (sals.nelts != 1)
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{
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Tcl_SetResult (interp, "Ambiguous line spec", TCL_STATIC);
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return TCL_ERROR;
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}
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1994-09-13 18:24:01 +02:00
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pc = sal.pc;
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1994-07-29 00:07:02 +02:00
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}
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else
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{
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Tcl_SetResult (interp, "wrong # args", TCL_STATIC);
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return TCL_ERROR;
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}
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if (sal.symtab)
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Tcl_AppendElement (interp, sal.symtab->filename);
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else
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Tcl_AppendElement (interp, "");
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1994-09-13 18:24:01 +02:00
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find_pc_partial_function (pc, &funcname, NULL, NULL);
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1994-07-29 00:07:02 +02:00
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Tcl_AppendElement (interp, funcname);
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1994-09-13 18:24:01 +02:00
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1994-09-17 00:57:37 +02:00
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filename = symtab_to_filename (sal.symtab);
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1994-07-29 00:07:02 +02:00
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Tcl_AppendElement (interp, filename);
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1994-09-13 18:24:01 +02:00
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sprintf (buf, "%d", sal.line);
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1994-07-29 00:07:02 +02:00
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Tcl_AppendElement (interp, buf); /* line number */
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1994-09-13 18:24:01 +02:00
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sprintf (buf, "0x%x", pc);
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Tcl_AppendElement (interp, buf); /* PC */
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1994-07-29 00:07:02 +02:00
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return TCL_OK;
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}
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static int
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gdb_cmd_stub (cmd)
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char *cmd;
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{
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execute_command (cmd, 1);
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return 1; /* Indicate success */
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}
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/* This implements the TCL command `gdb_cmd', which sends it's argument into
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the GDB command scanner. */
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static int
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gdb_cmd (clientData, interp, argc, argv)
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ClientData clientData;
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Tcl_Interp *interp;
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int argc;
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char *argv[];
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{
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int val;
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struct cleanup *old_chain;
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if (argc != 2)
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{
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Tcl_SetResult (interp, "wrong # args", TCL_STATIC);
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return TCL_ERROR;
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}
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old_chain = make_cleanup (null_routine, 0);
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val = catch_errors (gdb_cmd_stub, argv[1], "", RETURN_MASK_ERROR);
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|
|
|
|
|
1994-10-21 01:59:20 +01:00
|
|
|
|
/* In case of an error, we may need to force the GUI into idle mode because
|
|
|
|
|
gdbtk_call_command may have bombed out while in the command routine. */
|
|
|
|
|
|
|
|
|
|
if (val == 0)
|
|
|
|
|
Tcl_VarEval (interp, "gdbtk_tcl_idle", NULL);
|
|
|
|
|
|
1994-07-29 00:07:02 +02:00
|
|
|
|
bpstat_do_actions (&stop_bpstat);
|
|
|
|
|
do_cleanups (old_chain);
|
|
|
|
|
|
1994-09-13 18:24:01 +02:00
|
|
|
|
/* Drain all buffered command output */
|
|
|
|
|
|
|
|
|
|
gdb_flush (gdb_stderr);
|
|
|
|
|
gdb_flush (gdb_stdout);
|
|
|
|
|
|
1994-07-29 00:07:02 +02:00
|
|
|
|
/* We could base the return value on val, but that would require most users
|
|
|
|
|
to use catch. Since GDB errors are already being handled elsewhere, I
|
|
|
|
|
see no reason to pass them up to the caller. */
|
|
|
|
|
|
|
|
|
|
return TCL_OK;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
gdb_listfiles (clientData, interp, argc, argv)
|
|
|
|
|
ClientData clientData;
|
|
|
|
|
Tcl_Interp *interp;
|
|
|
|
|
int argc;
|
|
|
|
|
char *argv[];
|
|
|
|
|
{
|
|
|
|
|
int val;
|
|
|
|
|
struct objfile *objfile;
|
|
|
|
|
struct partial_symtab *psymtab;
|
|
|
|
|
|
|
|
|
|
ALL_PSYMTABS (objfile, psymtab)
|
|
|
|
|
Tcl_AppendElement (interp, psymtab->filename);
|
|
|
|
|
|
|
|
|
|
return TCL_OK;
|
|
|
|
|
}
|
1994-10-21 01:59:20 +01:00
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
gdb_stop (clientData, interp, argc, argv)
|
|
|
|
|
ClientData clientData;
|
|
|
|
|
Tcl_Interp *interp;
|
|
|
|
|
int argc;
|
|
|
|
|
char *argv[];
|
|
|
|
|
{
|
* corelow.c, exec.c, inftarg.c, m3-nat.c, op50-rom.c, procfs.c,
remote-adapt.c, remote-e7000.c, remote-eb.c, remote-es.c,
remote-hms.c, remote-mips.c, remote-mm.c, remote-mon.c,
remote-nindy.c, remote-os9k.c, remote-pa.c, remote-sim.c,
remote-st.c, remote-udi.c, remote-vx.c, remote-z8k.c, remote.c,
w89k-rom.c, target.c, target.h: Add support for target_stop().
* gdbtk.c (gdb_stop): Switch to target_stop().
1994-11-03 23:41:12 +01:00
|
|
|
|
target_stop ();
|
1994-10-21 01:59:20 +01:00
|
|
|
|
}
|
|
|
|
|
|
1994-07-29 00:07:02 +02:00
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
tk_command (cmd, from_tty)
|
|
|
|
|
char *cmd;
|
|
|
|
|
int from_tty;
|
|
|
|
|
{
|
|
|
|
|
Tcl_VarEval (interp, cmd, NULL);
|
|
|
|
|
|
|
|
|
|
gdbtk_fputs (interp->result);
|
|
|
|
|
gdbtk_fputs ("\n");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
cleanup_init (ignored)
|
|
|
|
|
int ignored;
|
|
|
|
|
{
|
|
|
|
|
if (mainWindow != NULL)
|
|
|
|
|
Tk_DestroyWindow (mainWindow);
|
|
|
|
|
mainWindow = NULL;
|
|
|
|
|
|
|
|
|
|
if (interp != NULL)
|
|
|
|
|
Tcl_DeleteInterp (interp);
|
|
|
|
|
interp = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
1994-09-17 00:57:37 +02:00
|
|
|
|
/* Come here during long calculations to check for GUI events. Usually invoked
|
|
|
|
|
via the QUIT macro. */
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
gdbtk_interactive ()
|
|
|
|
|
{
|
|
|
|
|
/* Tk_DoOneEvent (TK_DONT_WAIT|TK_IDLE_EVENTS); */
|
|
|
|
|
}
|
|
|
|
|
|
1994-10-21 01:59:20 +01:00
|
|
|
|
/* Come here when there is activity on the X file descriptor. */
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
x_event (signo)
|
|
|
|
|
int signo;
|
|
|
|
|
{
|
|
|
|
|
/* Process pending events */
|
|
|
|
|
|
|
|
|
|
while (Tk_DoOneEvent (TK_DONT_WAIT|TK_ALL_EVENTS) != 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
gdbtk_wait (pid, ourstatus)
|
|
|
|
|
int pid;
|
|
|
|
|
struct target_waitstatus *ourstatus;
|
|
|
|
|
{
|
|
|
|
|
signal (SIGIO, x_event);
|
|
|
|
|
|
|
|
|
|
pid = target_wait (pid, ourstatus);
|
|
|
|
|
|
|
|
|
|
signal (SIGIO, SIG_IGN);
|
|
|
|
|
|
|
|
|
|
return pid;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called from execute_command, and provides a wrapper around
|
|
|
|
|
various command routines in a place where both protocol messages and
|
|
|
|
|
user input both flow through. Mostly this is used for indicating whether
|
|
|
|
|
the target process is running or not.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
gdbtk_call_command (cmdblk, arg, from_tty)
|
|
|
|
|
struct cmd_list_element *cmdblk;
|
|
|
|
|
char *arg;
|
|
|
|
|
int from_tty;
|
|
|
|
|
{
|
|
|
|
|
if (cmdblk->class == class_run)
|
|
|
|
|
{
|
|
|
|
|
Tcl_VarEval (interp, "gdbtk_tcl_busy", NULL);
|
|
|
|
|
(*cmdblk->function.cfunc)(arg, from_tty);
|
|
|
|
|
Tcl_VarEval (interp, "gdbtk_tcl_idle", NULL);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
(*cmdblk->function.cfunc)(arg, from_tty);
|
|
|
|
|
}
|
|
|
|
|
|
1994-07-29 00:07:02 +02:00
|
|
|
|
static void
|
|
|
|
|
gdbtk_init ()
|
|
|
|
|
{
|
|
|
|
|
struct cleanup *old_chain;
|
|
|
|
|
char *gdbtk_filename;
|
1994-10-21 01:59:20 +01:00
|
|
|
|
int i;
|
1994-07-29 00:07:02 +02:00
|
|
|
|
|
|
|
|
|
old_chain = make_cleanup (cleanup_init, 0);
|
|
|
|
|
|
|
|
|
|
/* First init tcl and tk. */
|
|
|
|
|
|
|
|
|
|
interp = Tcl_CreateInterp ();
|
|
|
|
|
|
|
|
|
|
if (!interp)
|
|
|
|
|
error ("Tcl_CreateInterp failed");
|
|
|
|
|
|
|
|
|
|
mainWindow = Tk_CreateMainWindow (interp, NULL, "gdb", "Gdb");
|
|
|
|
|
|
|
|
|
|
if (!mainWindow)
|
|
|
|
|
return; /* DISPLAY probably not set */
|
|
|
|
|
|
|
|
|
|
if (Tcl_Init(interp) != TCL_OK)
|
|
|
|
|
error ("Tcl_Init failed: %s", interp->result);
|
|
|
|
|
|
|
|
|
|
if (Tk_Init(interp) != TCL_OK)
|
|
|
|
|
error ("Tk_Init failed: %s", interp->result);
|
|
|
|
|
|
|
|
|
|
Tcl_CreateCommand (interp, "gdb_cmd", gdb_cmd, NULL, NULL);
|
|
|
|
|
Tcl_CreateCommand (interp, "gdb_loc", gdb_loc, NULL, NULL);
|
|
|
|
|
Tcl_CreateCommand (interp, "gdb_listfiles", gdb_listfiles, NULL, NULL);
|
1994-10-21 01:59:20 +01:00
|
|
|
|
Tcl_CreateCommand (interp, "gdb_stop", gdb_stop, NULL, NULL);
|
1994-07-29 00:07:02 +02:00
|
|
|
|
|
|
|
|
|
gdbtk_filename = getenv ("GDBTK_FILENAME");
|
1994-09-13 18:24:01 +02:00
|
|
|
|
if (!gdbtk_filename)
|
|
|
|
|
if (access ("gdbtk.tcl", R_OK) == 0)
|
|
|
|
|
gdbtk_filename = "gdbtk.tcl";
|
|
|
|
|
else
|
|
|
|
|
gdbtk_filename = GDBTK_FILENAME;
|
|
|
|
|
|
|
|
|
|
if (Tcl_EvalFile (interp, gdbtk_filename) != TCL_OK)
|
|
|
|
|
error ("Failure reading %s: %s", gdbtk_filename, interp->result);
|
1994-07-29 00:07:02 +02:00
|
|
|
|
|
1994-11-02 01:50:12 +01:00
|
|
|
|
/* Get the file descriptor for the X server */
|
1994-10-21 01:59:20 +01:00
|
|
|
|
|
1994-11-02 01:50:12 +01:00
|
|
|
|
x_fd = ConnectionNumber (Tk_Display (mainWindow));
|
1994-10-21 01:59:20 +01:00
|
|
|
|
|
|
|
|
|
/* Setup for I/O interrupts */
|
|
|
|
|
|
|
|
|
|
signal (SIGIO, SIG_IGN);
|
|
|
|
|
|
|
|
|
|
i = fcntl (x_fd, F_GETFL, 0);
|
|
|
|
|
fcntl (x_fd, F_SETFL, i|FASYNC);
|
|
|
|
|
fcntl (x_fd, F_SETOWN, getpid());
|
|
|
|
|
|
1994-07-29 00:07:02 +02:00
|
|
|
|
command_loop_hook = Tk_MainLoop;
|
|
|
|
|
fputs_unfiltered_hook = gdbtk_fputs;
|
|
|
|
|
print_frame_info_listing_hook = null_routine;
|
|
|
|
|
query_hook = gdbtk_query;
|
|
|
|
|
flush_hook = gdbtk_flush;
|
|
|
|
|
create_breakpoint_hook = gdbtk_create_breakpoint;
|
|
|
|
|
delete_breakpoint_hook = gdbtk_delete_breakpoint;
|
|
|
|
|
enable_breakpoint_hook = gdbtk_enable_breakpoint;
|
|
|
|
|
disable_breakpoint_hook = gdbtk_disable_breakpoint;
|
1994-09-17 00:57:37 +02:00
|
|
|
|
interactive_hook = gdbtk_interactive;
|
1994-10-21 01:59:20 +01:00
|
|
|
|
target_wait_hook = gdbtk_wait;
|
|
|
|
|
call_command_hook = gdbtk_call_command;
|
1994-07-29 00:07:02 +02:00
|
|
|
|
|
|
|
|
|
discard_cleanups (old_chain);
|
|
|
|
|
|
|
|
|
|
add_com ("tk", class_obscure, tk_command,
|
|
|
|
|
"Send a command directly into tk.");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Come here during initialze_all_files () */
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
_initialize_gdbtk ()
|
|
|
|
|
{
|
1994-10-26 23:45:13 +01:00
|
|
|
|
if (use_windows)
|
|
|
|
|
{
|
|
|
|
|
/* Tell the rest of the world that Gdbtk is now set up. */
|
1994-07-29 00:07:02 +02:00
|
|
|
|
|
1994-10-26 23:45:13 +01:00
|
|
|
|
init_ui_hook = gdbtk_init;
|
|
|
|
|
}
|
1994-07-29 00:07:02 +02:00
|
|
|
|
}
|