--- /dev/null
+/* GDB hooks for TUI.
+ Copyright 2001 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 "symtab.h"
+#include "inferior.h"
+#include "command.h"
+#include "bfd.h"
+#include "symfile.h"
+#include "objfiles.h"
+#include "target.h"
+#include "gdbcore.h"
+#include "event-loop.h"
+#include "frame.h"
+#include "breakpoint.h"
+#include "gdb-events.h"
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "tui.h"
+#include "tuiData.h"
+#include "tuiLayout.h"
+#include "tuiIO.h"
+#include "tuiRegs.h"
+#include "tuiWin.h"
+#include "tuiStack.h"
+#include "tuiDataWin.h"
+#include "tuiSourceWin.h"
+
+int tui_target_has_run = 0;
+
+static void (* tui_target_new_objfile_chain) (struct objfile*);
+extern void (*selected_frame_level_changed_hook) (int);
+
+static void
+tui_new_objfile_hook (struct objfile* objfile)
+{
+ if (tui_active)
+ {
+ tuiDisplayMainFunction ();
+ }
+
+ if (tui_target_new_objfile_chain)
+ tui_target_new_objfile_chain (objfile);
+}
+
+static int
+tui_query_hook (const char * msg, va_list argp)
+{
+ int retval;
+ int ans2;
+ int answer;
+
+ /* Automatically answer "yes" if input is not from a terminal. */
+ if (!input_from_terminal_p ())
+ return 1;
+
+ echo ();
+ while (1)
+ {
+ wrap_here (""); /* Flush any buffered output */
+ gdb_flush (gdb_stdout);
+
+ vfprintf_filtered (gdb_stdout, msg, argp);
+ printf_filtered ("(y or n) ");
+
+ wrap_here ("");
+ gdb_flush (gdb_stdout);
+
+ answer = tui_getc (stdin);
+ clearerr (stdin); /* in case of C-d */
+ if (answer == EOF) /* C-d */
+ {
+ retval = 1;
+ break;
+ }
+ /* Eat rest of input line, to EOF or newline */
+ if (answer != '\n')
+ do
+ {
+ ans2 = tui_getc (stdin);
+ clearerr (stdin);
+ }
+ while (ans2 != EOF && ans2 != '\n' && ans2 != '\r');
+
+ if (answer >= 'a')
+ answer -= 040;
+ if (answer == 'Y')
+ {
+ retval = 1;
+ break;
+ }
+ if (answer == 'N')
+ {
+ retval = 0;
+ break;
+ }
+ printf_filtered ("Please answer y or n.\n");
+ }
+ noecho ();
+ return retval;
+}
+
+/* Prevent recursion of registers_changed_hook(). */
+static int tui_refreshing_registers = 0;
+
+static void
+tui_registers_changed_hook (void)
+{
+ struct frame_info *fi;
+
+ fi = selected_frame;
+ if (fi && tui_refreshing_registers == 0)
+ {
+ tui_refreshing_registers = 1;
+#if 0
+ tuiCheckDataValues (fi);
+#endif
+ tui_refreshing_registers = 0;
+ }
+}
+
+static void
+tui_register_changed_hook (int regno)
+{
+ struct frame_info *fi;
+
+ fi = selected_frame;
+ if (fi && tui_refreshing_registers == 0)
+ {
+ tui_refreshing_registers = 1;
+ tuiCheckDataValues (fi);
+ tui_refreshing_registers = 0;
+ }
+}
+
+extern struct breakpoint *breakpoint_chain;
+
+/* Find a breakpoint given its number. Returns null if not found. */
+static struct breakpoint *
+get_breakpoint (int number)
+{
+ struct breakpoint *bp;
+
+ for (bp = breakpoint_chain; bp; bp = bp->next)
+ {
+ if (bp->number == number)
+ return bp;
+ }
+ return 0;
+}
+
+/* Breakpoint creation hook.
+ Update the screen to show the new breakpoint. */
+static void
+tui_event_create_breakpoint (int number)
+{
+ struct breakpoint *bp;
+
+ bp = get_breakpoint (number);
+ if (bp)
+ {
+ switch (bp->type)
+ {
+ case bp_breakpoint:
+ case bp_hardware_breakpoint:
+ tuiAllSetHasBreakAt (bp, 1);
+ tuiUpdateAllExecInfos ();
+ break;
+
+ default:
+ break;
+ }
+ }
+}
+
+/* Breakpoint deletion hook.
+ Refresh the screen to update the breakpoint marks. */
+static void
+tui_event_delete_breakpoint (int number)
+{
+ struct breakpoint *bp;
+ struct breakpoint *b;
+ int clearIt;
+
+ bp = get_breakpoint (number);
+ if (bp == 0)
+ return;
+
+ /* Before turning off the visuals for the bp, check to see that
+ there are no other bps at the same address. */
+ clearIt = 0;
+ for (b = breakpoint_chain; b; b = b->next)
+ {
+ clearIt = (b == bp || b->address != bp->address);
+ if (!clearIt)
+ break;
+ }
+
+ if (clearIt)
+ {
+ tuiAllSetHasBreakAt (bp, 0);
+ tuiUpdateAllExecInfos ();
+ }
+}
+
+static void
+tui_event_modify_breakpoint (int number)
+{
+ ;
+}
+
+static void
+tui_event_default (int number)
+{
+ ;
+}
+
+static struct gdb_events *tui_old_event_hooks;
+
+static struct gdb_events tui_event_hooks =
+{
+ tui_event_create_breakpoint,
+ tui_event_delete_breakpoint,
+ tui_event_modify_breakpoint,
+ tui_event_default,
+ tui_event_default,
+ tui_event_default
+};
+
+/* Called when going to wait for the target.
+ Leave curses mode and setup program mode. */
+static ptid_t
+tui_target_wait_hook (ptid_t pid, struct target_waitstatus *status)
+{
+ ptid_t res;
+
+ /* Leave tui mode (optional). */
+#if 0
+ if (tui_active)
+ {
+ target_terminal_ours ();
+ endwin ();
+ target_terminal_inferior ();
+ }
+#endif
+ tui_target_has_run = 1;
+ res = target_wait (pid, status);
+
+ if (tui_active)
+ {
+ /* TODO: need to refresh (optional). */
+ }
+ return res;
+}
+
+/* The selected frame has changed. This is happens after a target
+ stop or when the user explicitly changes the frame (up/down/thread/...). */
+static void
+tui_selected_frame_level_changed_hook (int level)
+{
+ struct frame_info *fi;
+
+ fi = selected_frame;
+ /* Ensure that symbols for this frame are read in. Also, determine the
+ source language of this frame, and switch to it if desired. */
+ if (fi)
+ {
+ struct symtab *s;
+
+ s = find_pc_symtab (fi->pc);
+ /* elz: this if here fixes the problem with the pc not being displayed
+ in the tui asm layout, with no debug symbols. The value of s
+ would be 0 here, and select_source_symtab would abort the
+ command by calling the 'error' function */
+ if (s)
+ {
+ select_source_symtab (s);
+ tuiShowFrameInfo (fi);
+ }
+
+ /* Refresh the register window if it's visible. */
+ if (tui_is_window_visible (DATA_WIN))
+ {
+ tui_refreshing_registers = 1;
+ tuiCheckDataValues (fi);
+ tui_refreshing_registers = 0;
+ }
+ }
+}
+
+/* Called from print_frame_info to list the line we stopped in. */
+static void
+tui_print_frame_info_listing_hook (struct symtab *s, int line,
+ int stopline, int noerror)
+{
+ select_source_symtab (s);
+ tuiShowFrameInfo (selected_frame);
+}
+
+/* Install the TUI specific hooks. */
+void
+tui_install_hooks (void)
+{
+ target_wait_hook = tui_target_wait_hook;
+ selected_frame_level_changed_hook = tui_selected_frame_level_changed_hook;
+ print_frame_info_listing_hook = tui_print_frame_info_listing_hook;
+
+ query_hook = tui_query_hook;
+
+ /* Install the event hooks. */
+ tui_old_event_hooks = set_gdb_event_hooks (&tui_event_hooks);
+
+ registers_changed_hook = tui_registers_changed_hook;
+ register_changed_hook = tui_register_changed_hook;
+}
+
+/* Remove the TUI specific hooks. */
+void
+tui_remove_hooks (void)
+{
+ target_wait_hook = 0;
+ selected_frame_level_changed_hook = 0;
+ print_frame_info_listing_hook = 0;
+ query_hook = 0;
+ registers_changed_hook = 0;
+ register_changed_hook = 0;
+
+ /* Restore the previous event hooks. */
+ set_gdb_event_hooks (tui_old_event_hooks);
+}
+
+/* Cleanup the tui before exiting. */
+static void
+tui_exit (void)
+{
+ /* Disable the tui. Curses mode is left leaving the screen
+ in a clean state (see endwin()). */
+ tui_disable ();
+}
+
+/* Initialize the tui by installing several gdb hooks, initializing
+ the tui IO and preparing the readline with the kind binding. */
+static void
+tui_init_hook (char *argv0)
+{
+ /* Install exit handler to leave the screen in a good shape. */
+ atexit (tui_exit);
+
+ initializeStaticData ();
+
+ /* Install the permanent hooks. */
+ tui_target_new_objfile_chain = target_new_objfile_hook;
+ target_new_objfile_hook = tui_new_objfile_hook;
+
+ tui_initialize_io ();
+ tui_initialize_readline ();
+
+ /* Decide in which mode to start using GDB (based on -tui). */
+ if (tui_version)
+ {
+ tui_enable ();
+ }
+}
+
+/* Initialize the tui. */
+void
+_initialize_tui (void)
+{
+ /* Setup initialization hook. */
+ init_ui_hook = tui_init_hook;
+}
+
--- /dev/null
+/* Output generating routines for GDB CLI.
+ Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
+ Contributed by Cygnus Solutions.
+ Written by Fernando Nasser for Cygnus.
+
+ 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 "ui-out.h"
+#include "tui.h"
+#include "gdb_string.h"
+#include "gdb_assert.h"
+
+/* Convenience macro for allocting typesafe memory. */
+
+#ifndef XMALLOC
+#define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE))
+#endif
+
+struct ui_out_data
+ {
+ struct ui_file *stream;
+ int suppress_output;
+ int line;
+ int start_of_line;
+ };
+
+/* These are the CLI output functions */
+
+static void tui_table_begin (struct ui_out *uiout, int nbrofcols,
+ int nr_rows, const char *tblid);
+static void tui_table_body (struct ui_out *uiout);
+static void tui_table_end (struct ui_out *uiout);
+static void tui_table_header (struct ui_out *uiout, int width,
+ enum ui_align alig, const char *col_name,
+ const char *colhdr);
+static void tui_begin (struct ui_out *uiout, enum ui_out_type type,
+ int level, const char *lstid);
+static void tui_end (struct ui_out *uiout, enum ui_out_type type, int level);
+static void tui_field_int (struct ui_out *uiout, int fldno, int width,
+ enum ui_align alig, const char *fldname, int value);
+static void tui_field_skip (struct ui_out *uiout, int fldno, int width,
+ enum ui_align alig, const char *fldname);
+static void tui_field_string (struct ui_out *uiout, int fldno, int width,
+ enum ui_align alig, const char *fldname,
+ const char *string);
+static void tui_field_fmt (struct ui_out *uiout, int fldno,
+ int width, enum ui_align align,
+ const char *fldname, const char *format,
+ va_list args);
+static void tui_spaces (struct ui_out *uiout, int numspaces);
+static void tui_text (struct ui_out *uiout, const char *string);
+static void tui_message (struct ui_out *uiout, int verbosity,
+ const char *format, va_list args);
+static void tui_wrap_hint (struct ui_out *uiout, char *identstring);
+static void tui_flush (struct ui_out *uiout);
+
+/* This is the CLI ui-out implementation functions vector */
+
+/* FIXME: This can be initialized dynamically after default is set to
+ handle initial output in main.c */
+
+static struct ui_out_impl tui_ui_out_impl =
+{
+ tui_table_begin,
+ tui_table_body,
+ tui_table_end,
+ tui_table_header,
+ tui_begin,
+ tui_end,
+ tui_field_int,
+ tui_field_skip,
+ tui_field_string,
+ tui_field_fmt,
+ tui_spaces,
+ tui_text,
+ tui_message,
+ tui_wrap_hint,
+ tui_flush,
+ 0, /* Does not need MI hacks (i.e. needs CLI hacks). */
+};
+
+/* Prototypes for local functions */
+
+extern void _initialize_tui_out (void);
+
+static void field_separator (void);
+
+static void out_field_fmt (struct ui_out *uiout, int fldno,
+ const char *fldname,
+ const char *format,...);
+
+/* local variables */
+
+/* (none yet) */
+
+/* Mark beginning of a table */
+
+void
+tui_table_begin (struct ui_out *uiout, int nbrofcols,
+ int nr_rows,
+ const char *tblid)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ if (nr_rows == 0)
+ data->suppress_output = 1;
+ else
+ /* Only the table suppresses the output and, fortunatly, a table
+ is not a recursive data structure. */
+ gdb_assert (data->suppress_output == 0);
+}
+
+/* Mark beginning of a table body */
+
+void
+tui_table_body (struct ui_out *uiout)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ if (data->suppress_output)
+ return;
+ /* first, close the table header line */
+ tui_text (uiout, "\n");
+}
+
+/* Mark end of a table */
+
+void
+tui_table_end (struct ui_out *uiout)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ data->suppress_output = 0;
+}
+
+/* Specify table header */
+
+void
+tui_table_header (struct ui_out *uiout, int width, enum ui_align alignment,
+ const char *col_name,
+ const char *colhdr)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ if (data->suppress_output)
+ return;
+ tui_field_string (uiout, 0, width, alignment, 0, colhdr);
+}
+
+/* Mark beginning of a list */
+
+void
+tui_begin (struct ui_out *uiout,
+ enum ui_out_type type,
+ int level,
+ const char *id)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ if (data->suppress_output)
+ return;
+}
+
+/* Mark end of a list */
+
+void
+tui_end (struct ui_out *uiout,
+ enum ui_out_type type,
+ int level)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ if (data->suppress_output)
+ return;
+}
+
+/* output an int field */
+
+void
+tui_field_int (struct ui_out *uiout, int fldno, int width,
+ enum ui_align alignment,
+ const char *fldname, int value)
+{
+ char buffer[20]; /* FIXME: how many chars long a %d can become? */
+
+ struct ui_out_data *data = ui_out_data (uiout);
+ if (data->suppress_output)
+ return;
+
+ /* Don't print line number, keep it for later. */
+ if (data->start_of_line == 0 && strcmp (fldname, "line") == 0)
+ {
+ data->start_of_line ++;
+ data->line = value;
+ return;
+ }
+ data->start_of_line ++;
+ sprintf (buffer, "%d", value);
+ tui_field_string (uiout, fldno, width, alignment, fldname, buffer);
+}
+
+/* used to ommit a field */
+
+void
+tui_field_skip (struct ui_out *uiout, int fldno, int width,
+ enum ui_align alignment,
+ const char *fldname)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ if (data->suppress_output)
+ return;
+ tui_field_string (uiout, fldno, width, alignment, fldname, "");
+}
+
+/* other specific tui_field_* end up here so alignment and field
+ separators are both handled by tui_field_string */
+
+void
+tui_field_string (struct ui_out *uiout,
+ int fldno,
+ int width,
+ enum ui_align align,
+ const char *fldname,
+ const char *string)
+{
+ int before = 0;
+ int after = 0;
+
+ struct ui_out_data *data = ui_out_data (uiout);
+ if (data->suppress_output)
+ return;
+
+ if (fldname && data->line > 0 && strcmp (fldname, "file") == 0)
+ {
+ data->start_of_line ++;
+ if (data->line > 0)
+ {
+ tui_show_source (string, data->line);
+ }
+ return;
+ }
+
+ data->start_of_line ++;
+ if ((align != ui_noalign) && string)
+ {
+ before = width - strlen (string);
+ if (before <= 0)
+ before = 0;
+ else
+ {
+ if (align == ui_right)
+ after = 0;
+ else if (align == ui_left)
+ {
+ after = before;
+ before = 0;
+ }
+ else
+ /* ui_center */
+ {
+ after = before / 2;
+ before -= after;
+ }
+ }
+ }
+
+ if (before)
+ ui_out_spaces (uiout, before);
+ if (string)
+ out_field_fmt (uiout, fldno, fldname, "%s", string);
+ if (after)
+ ui_out_spaces (uiout, after);
+
+ if (align != ui_noalign)
+ field_separator ();
+}
+
+/* This is the only field function that does not align */
+
+void
+tui_field_fmt (struct ui_out *uiout, int fldno,
+ int width, enum ui_align align,
+ const char *fldname,
+ const char *format,
+ va_list args)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ if (data->suppress_output)
+ return;
+
+ data->start_of_line ++;
+ vfprintf_filtered (data->stream, format, args);
+
+ if (align != ui_noalign)
+ field_separator ();
+}
+
+void
+tui_spaces (struct ui_out *uiout, int numspaces)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ if (data->suppress_output)
+ return;
+ print_spaces_filtered (numspaces, data->stream);
+}
+
+void
+tui_text (struct ui_out *uiout, const char *string)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ if (data->suppress_output)
+ return;
+ data->start_of_line ++;
+ if (data->line > 0)
+ {
+ if (strchr (string, '\n') != 0)
+ {
+ data->line = -1;
+ data->start_of_line = 0;
+ }
+ return;
+ }
+ if (strchr (string, '\n'))
+ data->start_of_line = 0;
+ fputs_filtered (string, data->stream);
+}
+
+void
+tui_message (struct ui_out *uiout, int verbosity,
+ const char *format, va_list args)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ if (data->suppress_output)
+ return;
+ if (ui_out_get_verblvl (uiout) >= verbosity)
+ vfprintf_unfiltered (data->stream, format, args);
+}
+
+void
+tui_wrap_hint (struct ui_out *uiout, char *identstring)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ if (data->suppress_output)
+ return;
+ wrap_here (identstring);
+}
+
+void
+tui_flush (struct ui_out *uiout)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ gdb_flush (data->stream);
+}
+
+/* local functions */
+
+/* Like tui_field_fmt, but takes a variable number of args
+ and makes a va_list and does not insert a separator */
+
+/* VARARGS */
+static void
+out_field_fmt (struct ui_out *uiout, int fldno,
+ const char *fldname,
+ const char *format,...)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ va_list args;
+
+ va_start (args, format);
+ vfprintf_filtered (data->stream, format, args);
+
+ va_end (args);
+}
+
+/* access to ui_out format private members */
+
+static void
+field_separator (void)
+{
+ struct ui_out_data *data = ui_out_data (uiout);
+ fputc_filtered (' ', data->stream);
+}
+
+/* initalize private members at startup */
+
+struct ui_out *
+tui_out_new (struct ui_file *stream)
+{
+ int flags = 0;
+
+ struct ui_out_data *data = XMALLOC (struct ui_out_data);
+ data->stream = stream;
+ data->suppress_output = 0;
+ data->line = -1;
+ data->start_of_line = 1;
+ return ui_out_new (&tui_ui_out_impl, data, flags);
+}
+
+/* standard gdb initialization hook */
+void
+_initialize_tui_out (void)
+{
+ /* nothing needs to be done */
+}
projects / binutils-gdb.git / commitdiff