mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2024-12-02 09:06:35 +00:00
409 lines
9.2 KiB
C
409 lines
9.2 KiB
C
/* GDB hooks for TUI.
|
|
|
|
Copyright 2001, 2002 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. */
|
|
|
|
/* FIXME: cagney/2002-02-28: The GDB coding standard indicates that
|
|
"defs.h" should be included first. Unfortunatly some systems
|
|
(currently Debian GNU/Linux) include the <stdbool.h> via <curses.h>
|
|
and they clash with "bfd.h"'s definiton of true/false. The correct
|
|
fix is to remove true/false from "bfd.h", however, until that
|
|
happens, hack around it by including "config.h" and <curses.h>
|
|
first. */
|
|
|
|
#include "config.h"
|
|
#ifdef HAVE_NCURSES_H
|
|
#include <ncurses.h>
|
|
#else
|
|
#ifdef HAVE_CURSES_H
|
|
#include <curses.h>
|
|
#endif
|
|
#endif
|
|
|
|
#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;
|
|
}
|
|
|