Commit 9f691b0d authored by Stefan Monnier's avatar Stefan Monnier
Browse files

Useless now that .gdbinit works with USE_LISP_UNION as well.

parent 329aa188
# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001
# Free Software Foundation, Inc.
#
# This file is part of GNU Emacs.
#
# GNU Emacs 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, or (at your option)
# any later version.
#
# GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
# Force loading of symbols, enough to give us gdb_valbits etc.
set main
# Find lwlib source files too.
dir ../lwlib
#dir /gd/gnu/lesstif-0.89.9/lib/Xm
# Don't enter GDB when user types C-g to quit.
# This has one unfortunate effect: you can't type C-c
# at the GDB to stop Emacs, when using X.
# However, C-z works just as well in that case.
handle 2 noprint pass
# Don't pass SIGALRM to Emacs. This makes problems when
# debugging.
handle SIGALRM ignore
# Set up a mask to use.
# This should be EMACS_INT, but in some cases that is a macro.
# long ought to work in all cases right now.
set $valmask = ((long)1 << gdb_valbits) - 1
set $nonvalbits = gdb_emacs_intbits - gdb_valbits
# Set up something to print out s-expressions.
define pr
set debug_print ($)
end
document pr
Print the emacs s-expression which is $.
Works only when an inferior emacs is executing.
end
define xtype
output (enum Lisp_Type) (($.i >> gdb_valbits) & 0x7)
echo \n
output ((($.i >> gdb_valbits) & 0x7) == Lisp_Misc ? (enum Lisp_Misc_Type) (((struct Lisp_Free *) (($.i & $valmask) | gdb_data_seg_bits))->type) : (($.i >> gdb_valbits) & 0x7) == Lisp_Vectorlike ? ($size = ((struct Lisp_Vector *) (($.i & $valmask) | gdb_data_seg_bits))->size, (enum pvec_type) (($size & PVEC_FLAG) ? $size & PVEC_TYPE_MASK : 0)) : 0)
echo \n
end
document xtype
Print the type of $, assuming it is an Emacs Lisp value.
If the first type printed is Lisp_Vector or Lisp_Misc,
the second line gives the more precise type.
Otherwise the second line doesn't mean anything.
end
define xvectype
set $size = ((struct Lisp_Vector *) (($.i & $valmask) | gdb_data_seg_bits))->size
output (enum pvec_type) (($size & PVEC_FLAG) ? $size & PVEC_TYPE_MASK : 0)
echo \n
end
document xvectype
Print the vector subtype of $, assuming it is a vector or pseudovector.
end
define xmisctype
output (enum Lisp_Misc_Type) (((struct Lisp_Free *) (($.i & $valmask) | gdb_data_seg_bits))->type)
echo \n
end
document xmisctype
Print the specific type of $, assuming it is some misc type.
end
define xint
print (($.i & $valmask) << $nonvalbits) >> $nonvalbits
end
document xint
Print $, assuming it is an Emacs Lisp integer. This gets the sign right.
end
define xptr
print (void *) (($.i & $valmask) | gdb_data_seg_bits)
end
document xptr
Print the pointer portion of $, assuming it is an Emacs Lisp value.
end
define xmarker
print (struct Lisp_Marker *) (($.i & $valmask) | gdb_data_seg_bits)
end
document xmarker
Print $ as a marker pointer, assuming it is an Emacs Lisp marker value.
end
define xoverlay
print (struct Lisp_Overlay *) (($.i & $valmask) | gdb_data_seg_bits)
end
document xoverlay
Print $ as a overlay pointer, assuming it is an Emacs Lisp overlay value.
end
define xmiscfree
print (struct Lisp_Free *) (($.i & $valmask) | gdb_data_seg_bits)
end
document xmiscfree
Print $ as a misc free-cell pointer, assuming it is an Emacs Lisp Misc value.
end
define xintfwd
print (struct Lisp_Intfwd *) (($.i & $valmask) | gdb_data_seg_bits)
end
document xintfwd
Print $ as an integer forwarding pointer, assuming it is an Emacs Lisp Misc value.
end
define xboolfwd
print (struct Lisp_Boolfwd *) (($.i & $valmask) | gdb_data_seg_bits)
end
document xboolfwd
Print $ as a boolean forwarding pointer, assuming it is an Emacs Lisp Misc value.
end
define xobjfwd
print (struct Lisp_Objfwd *) (($.i & $valmask) | gdb_data_seg_bits)
end
document xobjfwd
Print $ as an object forwarding pointer, assuming it is an Emacs Lisp Misc value.
end
define xbufobjfwd
print (struct Lisp_Buffer_Objfwd *) (($.i & $valmask) | gdb_data_seg_bits)
end
document xbufobjfwd
Print $ as a buffer-local object forwarding pointer, assuming it is an Emacs Lisp Misc value.
end
define xkbobjfwd
print (struct Lisp_Kboard_Objfwd *) (($.i & $valmask) | gdb_data_seg_bits)
end
document xkbobjfwd
Print $ as a kboard-local object forwarding pointer, assuming it is an Emacs Lisp Misc value.
end
define xbuflocal
print (struct Lisp_Buffer_Local_Value *) (($.i & $valmask) | gdb_data_seg_bits)
end
document xbuflocal
Print $ as a buffer-local-value pointer, assuming it is an Emacs Lisp Misc value.
end
define xsymbol
print (struct Lisp_Symbol *) (($.i & $valmask) | gdb_data_seg_bits)
xprintsymptr $
end
document xsymbol
Print the name and address of the symbol $.
This command assumes that $ is an Emacs Lisp symbol value.
end
define xstring
print (struct Lisp_String *) (($.i & $valmask) | gdb_data_seg_bits)
output ($->size > 1000) ? 0 : ($->data[0])@($->size_byte < 0 ? $->size : $->size_byte)
echo \n
end
document xstring
Print the contents and address of the string $.
This command assumes that $ is an Emacs Lisp string value.
end
define xvector
print (struct Lisp_Vector *) (($.i & $valmask) | gdb_data_seg_bits)
output ($->size > 50) ? 0 : ($->contents[0])@($->size)
echo \n
end
document xvector
Print the contents and address of the vector $.
This command assumes that $ is an Emacs Lisp vector value.
end
define xprocess
print (struct Lisp_Process *) (($.i & $valmask) | gdb_data_seg_bits)
output *$
echo \n
end
document xprocess
Print the address of the struct Lisp_process which the Lisp_Object $ points to.
end
define xframe
print (struct frame *) (($.i & $valmask) | gdb_data_seg_bits)
end
document xframe
Print $ as a frame pointer, assuming it is an Emacs Lisp frame value.
end
define xcompiled
print (struct Lisp_Vector *) (($.i & $valmask) | gdb_data_seg_bits)
output ($->contents[0])@($->size & 0xff)
end
document xcompiled
Print $ as a compiled function pointer, assuming it is an Emacs Lisp compiled value.
end
define xwindow
print (struct window *) (($.i & $valmask) | gdb_data_seg_bits)
printf "%dx%d+%d+%d\n", $->width, $->height, $->left, $->top
end
document xwindow
Print $ as a window pointer, assuming it is an Emacs Lisp window value.
Print the window's position as "WIDTHxHEIGHT+LEFT+TOP".
end
define xwinconfig
print (struct save_window_data *) (($.i & $valmask) | gdb_data_seg_bits)
end
document xwinconfig
Print $ as a window configuration pointer, assuming it is an Emacs Lisp window configuration value.
end
define xsubr
print (struct Lisp_Subr *) (($.i & $valmask) | gdb_data_seg_bits)
output *$
echo \n
end
document xsubr
Print the address of the subr which the Lisp_Object $ points to.
end
define xchartable
print (struct Lisp_Char_Table *) (($.i & $valmask) | gdb_data_seg_bits)
printf "Purpose: "
output (char*)&((struct Lisp_Symbol *) (($->purpose.i & $valmask) | gdb_data_seg_bits))->name->data
printf " %d extra slots", ($->size & 0x1ff) - 388
echo \n
end
document xchartable
Print the address of the char-table $, and its purpose.
This command assumes that $ is an Emacs Lisp char-table value.
end
define xboolvector
print (struct Lisp_Bool_Vector *) (($.i & $valmask) | gdb_data_seg_bits)
output ($->size > 256) ? 0 : ($->data[0])@(($->size + 7)/ 8)
echo \n
end
document xboolvector
Print the contents and address of the bool-vector $.
This command assumes that $ is an Emacs Lisp bool-vector value.
end
define xbuffer
print (struct buffer *) (($.i & $valmask) | gdb_data_seg_bits)
output ((struct Lisp_String *) (($->name.i & $valmask) | gdb_data_seg_bits))->data
echo \n
end
document xbuffer
Set $ as a buffer pointer, assuming it is an Emacs Lisp buffer value.
Print the name of the buffer.
end
define xhashtable
print (struct Lisp_Hash_Table *) (($.i & $valmask) | gdb_data_seg_bits)
end
document xhashtable
Set $ as a hash table pointer, assuming it is an Emacs Lisp hash table value.
end
define xcons
print (struct Lisp_Cons *) (($.i & $valmask) | gdb_data_seg_bits)
output/x *$
echo \n
end
document xcons
Print the contents of $, assuming it is an Emacs Lisp cons.
end
define nextcons
p $.cdr
xcons
end
document nextcons
Print the contents of the next cell in a list.
This assumes that the last thing you printed was a cons cell contents
(type struct Lisp_Cons) or a pointer to one.
end
define xcar
print/x ((($.i >> gdb_valbits) & 0xf) == Lisp_Cons ? ((struct Lisp_Cons *) (($.i & $valmask) | gdb_data_seg_bits))->car : 0)
end
document xcar
Print the car of $, assuming it is an Emacs Lisp pair.
end
define xcdr
print/x ((($.i >> gdb_valbits) & 0xf) == Lisp_Cons ? ((struct Lisp_Cons *) (($.i & $valmask) | gdb_data_seg_bits))->cdr : 0)
end
document xcdr
Print the cdr of $, assuming it is an Emacs Lisp pair.
end
define xfloat
print ((struct Lisp_Float *) (($.i & $valmask) | gdb_data_seg_bits))->data
end
document xfloat
Print $ assuming it is a lisp floating-point number.
end
define xscrollbar
print (struct scrollbar *) (($.i & $valmask) | gdb_data_seg_bits)
output *$
echo \n
end
document xscrollbar
Print $ as a scrollbar pointer.
end
define xprintsym
set $sym = ((struct Lisp_Symbol *) (($arg0.i & $valmask) | gdb_data_seg_bits))
xprintsymptr $sym
end
document xprintsym
Print argument as a symbol.
end
define xprintsymptr
set $sym = $arg0
set $sym_name = ((struct Lisp_String *)(($sym->xname.i & $valmask) | gdb_data_seg_bits))
output ($sym_name->data[0])@($sym_name->size_byte < 0 ? $sym_name->size : $sym_name->size_byte)
echo \n
end
define xbacktrace
set $bt = backtrace_list
while $bt
set $type = (enum Lisp_Type) (((*$bt->function).i >> gdb_valbits) & 0x7)
if $type == Lisp_Symbol
xprintsym (*$bt->function)
else
printf "0x%x ", (*$bt->function).i
if $type == Lisp_Vectorlike
set $size = ((struct Lisp_Vector *) (((*$bt->function).i & $valmask) | gdb_data_seg_bits))->size
output (enum pvec_type) (($size & PVEC_FLAG) ? $size & PVEC_TYPE_MASK : 0)
else
printf "Lisp type %d", $type
end
echo \n
end
set $bt = $bt->next
end
end
document xbacktrace
Print a backtrace of Lisp function calls from backtrace_list.
Set a breakpoint at Fsignal and call this to see from where
an error was signaled.
end
define xreload
set $valmask = ((long)1 << gdb_valbits) - 1
set $nonvalbits = gdb_emacs_intbits - gdb_valbits
end
document xreload
When starting Emacs a second time in the same gdb session under
FreeBSD 2.2.5, gdb 4.13, $valmask and $nonvalbits have lost
their values. (The same happens on current (2000) versions of GNU/Linux
with gdb 5.0.)
This function reloads them.
end
define hook-run
xreload
end
# Call xreload if a new Emacs executable is loaded.
define hookpost-run
xreload
end
set print pretty on
set print sevenbit-strings
# show environment DISPLAY
# show environment TERM
# set args -geometry 80x40+0+0
# Don't let abort actually run, as it will make
# stdio stop working and therefore the `pr' command above as well.
# break abort
# If we are running in synchronous mode, we want a chance to look around
# before Emacs exits. Perhaps we should put the break somewhere else
# instead...
# break x_error_quitter
# arch-tag: 08f4d20d-0254-4374-a80c-179d5a517915
2004-04-03 Stefan Monnier <monnier@iro.umontreal.ca>
* .gdbinit-union: Remove.
* .gdbinit: Make it work for USE_LSB_TAG and !NO_LISP_UNION.
(xgetptr, xgetint, xgettype): New funs. Use them everywhere.
($nonvalbits): Remove.
($valmask): Set it by calling xreload to avoid redundancy.
* emacs.c (gdb_use_union, gdb_use_lsb): New vars.
(gdb_emacs_intbits): Remove.
2004-03-31 Jan Dj,Ad(Brv <jan.h.d@swipnet.se>
* data.c (Fbyteorder): Make test work even if unsigned is not 4
bytes.
* data.c (Fbyteorder): Make test work even if unsigned is not 4 bytes.
2004-03-30 Kenichi Handa <handa@m17n.org>
......
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