mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-27 03:51:15 +08:00
746d1df4a9
gdb_changed_register_list, and gdb_regnames. * gdbtk.tcl: Use monochrome color model for now. * (delete_breakpoint_tag create_file_win): Add breakdot support. * (create_file_win create_asm_win update_listing build_framework create_source_window create_command_window): Re-org window creation to give all windows consistent look and feel. * (update_listing update_asm): Change pc pointer to '->'. * (registers_command reg_config_menu create_registers_window populate_reg_window update_registers): Revamp register window. Allow selection of registers to be displayed. Highlight changed registers.
807 lines
17 KiB
C
807 lines
17 KiB
C
/* 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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#include <varargs.h>
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#include <signal.h>
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#include <fcntl.h>
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#include <unistd.h>
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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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static int x_fd; /* X network socket */
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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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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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static void
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flush_holdbuf ()
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{
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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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}
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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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flush_holdbuf ();
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Tcl_VarEval (interp, "gdbtk_tcl_flush", NULL);
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}
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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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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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#if 0
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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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#endif
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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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char bpnum[50], line[50], pc[50];
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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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filename = symtab_to_filename (sal.symtab);
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sprintf (bpnum, "%d", b->number);
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sprintf (line, "%d", sal.line);
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sprintf (pc, "0x%x", b->address);
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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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" ", pc,
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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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CORE_ADDR pc;
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if (argc == 1)
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{
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pc = selected_frame ? selected_frame->pc : stop_pc;
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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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int nelts;
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sals = decode_line_spec (argv[1], 1);
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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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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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pc = sal.pc;
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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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find_pc_partial_function (pc, &funcname, NULL, NULL);
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Tcl_AppendElement (interp, funcname);
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filename = symtab_to_filename (sal.symtab);
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Tcl_AppendElement (interp, filename);
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sprintf (buf, "%d", sal.line);
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Tcl_AppendElement (interp, buf); /* line number */
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sprintf (buf, "0x%x", pc);
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Tcl_AppendElement (interp, buf); /* PC */
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return TCL_OK;
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}
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/* This implements the TCL command `gdb_sourcelines', which returns a list of
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all of the lines containing executable code for the specified source file
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(ie: lines where you can put breakpoints). */
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static int
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gdb_sourcelines (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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struct symtab *symtab;
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struct linetable_entry *le;
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int nlines;
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char buf[100];
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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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symtab = lookup_symtab (argv[1]);
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if (!symtab)
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{
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Tcl_SetResult (interp, "No such file", TCL_STATIC);
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return TCL_ERROR;
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}
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/* If there's no linetable, or no entries, then we are done. */
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if (!symtab->linetable
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|| symtab->linetable->nitems == 0)
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{
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Tcl_AppendElement (interp, "");
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return TCL_OK;
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}
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le = symtab->linetable->item;
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nlines = symtab->linetable->nitems;
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for (;nlines > 0; nlines--, le++)
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{
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/* If the pc of this line is the same as the pc of the next line, then
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just skip it. */
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if (nlines > 1
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&& le->pc == (le + 1)->pc)
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continue;
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sprintf (buf, "%d", le->line);
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Tcl_AppendElement (interp, buf);
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}
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return TCL_OK;
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}
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static int
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map_arg_registers (argc, argv, func, argp)
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int argc;
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char *argv[];
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int (*func) PARAMS ((int regnum, void *argp));
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void *argp;
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{
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int regnum;
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/* Note that the test for a valid register must include checking the
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reg_names array because NUM_REGS may be allocated for the union of the
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register sets within a family of related processors. In this case, the
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trailing entries of reg_names will change depending upon the particular
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processor being debugged. */
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if (argc == 0) /* No args, just do all the regs */
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{
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for (regnum = 0;
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regnum < NUM_REGS
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&& reg_names[regnum] != NULL
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&& *reg_names[regnum] != '\000';
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regnum++)
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func (regnum, argp);
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return TCL_OK;
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}
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/* Else, list of register #s, just do listed regs */
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for (; argc > 0; argc--, argv++)
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{
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regnum = atoi (*argv);
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if (regnum >= 0
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&& regnum < NUM_REGS
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&& reg_names[regnum] != NULL
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&& *reg_names[regnum] != '\000')
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func (regnum, argp);
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else
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{
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Tcl_SetResult (interp, "bad register number", TCL_STATIC);
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return TCL_ERROR;
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}
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}
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return TCL_OK;
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}
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static int
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get_register_name (regnum, argp)
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int regnum;
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void *argp; /* Ignored */
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{
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Tcl_AppendElement (interp, reg_names[regnum]);
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}
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/* This implements the TCL command `gdb_regnames', which returns a list of
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all of the register names. */
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static int
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gdb_regnames (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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argc--;
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argv++;
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return map_arg_registers (argc, argv, get_register_name, 0);
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}
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static char reg_value[200];
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static char *reg_valp = reg_value;
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static void
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save_reg_value (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);
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strncpy (reg_valp, ptr, len + 1);
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reg_valp += len;
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}
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#ifndef REGISTER_CONVERTIBLE
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#define REGISTER_CONVERTIBLE(x) (0 != 0)
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#endif
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#ifndef REGISTER_CONVERT_TO_VIRTUAL
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#define REGISTER_CONVERT_TO_VIRTUAL(x, y, z, a)
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#endif
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#ifndef INVALID_FLOAT
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#define INVALID_FLOAT(x, y) (0 != 0)
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#endif
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static int
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get_register (regnum, fp)
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void *fp;
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{
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char raw_buffer[MAX_REGISTER_RAW_SIZE];
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char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE];
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int format = (int)fp;
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if (read_relative_register_raw_bytes (regnum, raw_buffer))
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{
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Tcl_AppendElement (interp, "Optimized out");
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return;
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}
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fputs_unfiltered_hook = save_reg_value;
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flush_hook = 0;
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reg_valp = reg_value;
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/* Convert raw data to virtual format if necessary. */
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if (REGISTER_CONVERTIBLE (regnum))
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{
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REGISTER_CONVERT_TO_VIRTUAL (regnum, REGISTER_VIRTUAL_TYPE (regnum),
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raw_buffer, virtual_buffer);
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}
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else
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memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (regnum));
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val_print (REGISTER_VIRTUAL_TYPE (regnum), virtual_buffer, 0,
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gdb_stdout, format, 1, 0, Val_pretty_default);
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fputs_unfiltered_hook = gdbtk_fputs;
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flush_hook = gdbtk_flush;
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Tcl_AppendElement (interp, reg_value);
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}
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static int
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gdb_fetch_registers (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 format;
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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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argc--;
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argv++;
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argc--;
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format = **argv++;
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return map_arg_registers (argc, argv, get_register, format);
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}
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/* This contains the previous values of the registers, since the last call to
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gdb_changed_register_list. */
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static char old_regs[REGISTER_BYTES];
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static int
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register_changed_p (regnum, argp)
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void *argp; /* Ignored */
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{
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char raw_buffer[MAX_REGISTER_RAW_SIZE];
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char buf[100];
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if (read_relative_register_raw_bytes (regnum, raw_buffer))
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return;
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if (memcmp (&old_regs[REGISTER_BYTE (regnum)], raw_buffer,
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REGISTER_RAW_SIZE (regnum)) == 0)
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return;
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/* Found a changed register. Save new value and return it's number. */
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memcpy (&old_regs[REGISTER_BYTE (regnum)], raw_buffer,
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REGISTER_RAW_SIZE (regnum));
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sprintf (buf, "%d", regnum);
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Tcl_AppendElement (interp, buf);
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}
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static int
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gdb_changed_register_list (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 format;
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argc--;
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argv++;
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return map_arg_registers (argc, argv, register_changed_p, NULL);
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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);
|
||
|
||
/* 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);
|
||
|
||
bpstat_do_actions (&stop_bpstat);
|
||
do_cleanups (old_chain);
|
||
|
||
/* Drain all buffered command output */
|
||
|
||
gdb_flush (gdb_stderr);
|
||
gdb_flush (gdb_stdout);
|
||
|
||
/* 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;
|
||
}
|
||
|
||
static int
|
||
gdb_stop (clientData, interp, argc, argv)
|
||
ClientData clientData;
|
||
Tcl_Interp *interp;
|
||
int argc;
|
||
char *argv[];
|
||
{
|
||
target_stop ();
|
||
}
|
||
|
||
|
||
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;
|
||
}
|
||
|
||
/* 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); */
|
||
}
|
||
|
||
/* 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);
|
||
}
|
||
|
||
static void
|
||
gdbtk_init ()
|
||
{
|
||
struct cleanup *old_chain;
|
||
char *gdbtk_filename;
|
||
int i;
|
||
|
||
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_sourcelines", gdb_sourcelines, NULL, NULL);
|
||
Tcl_CreateCommand (interp, "gdb_listfiles", gdb_listfiles, NULL, NULL);
|
||
Tcl_CreateCommand (interp, "gdb_stop", gdb_stop, NULL, NULL);
|
||
Tcl_CreateCommand (interp, "gdb_regnames", gdb_regnames, NULL, NULL);
|
||
Tcl_CreateCommand (interp, "gdb_fetch_registers", gdb_fetch_registers, NULL,
|
||
NULL);
|
||
Tcl_CreateCommand (interp, "gdb_changed_register_list",
|
||
gdb_changed_register_list, NULL, NULL);
|
||
|
||
gdbtk_filename = getenv ("GDBTK_FILENAME");
|
||
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);
|
||
|
||
/* Get the file descriptor for the X server */
|
||
|
||
x_fd = ConnectionNumber (Tk_Display (mainWindow));
|
||
|
||
/* 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());
|
||
|
||
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;
|
||
interactive_hook = gdbtk_interactive;
|
||
target_wait_hook = gdbtk_wait;
|
||
call_command_hook = gdbtk_call_command;
|
||
|
||
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 ()
|
||
{
|
||
if (use_windows)
|
||
{
|
||
/* Tell the rest of the world that Gdbtk is now set up. */
|
||
|
||
init_ui_hook = gdbtk_init;
|
||
}
|
||
}
|