-# Set up a mask to use.
+# 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
Print the pointer portion of $, assuming it is an Emacs Lisp value.
end
-define xwindow
-print (struct window *) (($ & $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 xmarker
print (struct Lisp_Marker *) (($ & $valmask) | gdb_data_seg_bits)
end
Print $ as a buffer-local-value pointer, assuming it is an Emacs Lisp Misc value.
end
-define xbuffer
-print (struct buffer *) (($ & $valmask) | gdb_data_seg_bits)
-output &((struct Lisp_String *) ((($->name) & $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 xsymbol
print (struct Lisp_Symbol *) ((((int) $) & $valmask) | gdb_data_seg_bits)
-output (char*)&$->name->data
-echo \n
+xprintsym $
end
document xsymbol
Print the name and address of the symbol $.
define xstring
print (struct Lisp_String *) (($ & $valmask) | gdb_data_seg_bits)
-output ($->size > 1000) ? 0 : ($->data[0])@($->size)
+output ($->size > 1000) ? 0 : ($->data[0])@($->size_byte < 0 ? $->size : $->size_byte)
echo \n
end
document xstring
This command assumes that $ is an Emacs Lisp vector value.
end
+define xprocess
+print (struct Lisp_Process *) (($ & $valmask) | gdb_data_seg_bits)
+output *$
+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 *) (($ & $valmask) | gdb_data_seg_bits)
end
Print $ as a frame pointer, assuming it is an Emacs Lisp frame value.
end
+define xcompiled
+print (struct Lisp_Vector *) (($ & $valmask) | gdb_data_seg_bits)
+output ($->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 *) (($ & $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 *) (($ & $valmask) | gdb_data_seg_bits)
end
Print $ as a window configuration pointer, assuming it is an Emacs Lisp window configuration value.
end
-define xcompiled
-print (struct Lisp_Vector *) (($ & $valmask) | gdb_data_seg_bits)
-output ($->contents[0])@($->size & 0xff)
+define xsubr
+print (struct Lisp_Subr *) (($ & $valmask) | gdb_data_seg_bits)
+output *$
+echo \n
end
-document xcompiled
-Print $ as a compiled function pointer, assuming it is an Emacs Lisp compiled value.
+document xsubr
+Print the address of the subr which the Lisp_Object $ points to.
+end
+
+define xchartable
+print (struct Lisp_Char_Table *) (($ & $valmask) | gdb_data_seg_bits)
+printf "Purpose: "
+output (char*)&((struct Lisp_Symbol *) ((((int) $->purpose) & $valmask) | gdb_data_seg_bits))->name->data
+printf " %d extra slots", ($->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 *) (($ & $valmask) | gdb_data_seg_bits)
+output ($->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 *) (($ & $valmask) | gdb_data_seg_bits)
+output ((struct Lisp_String *) ((($->name) & $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 *) (($ & $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 *) (($ & $valmask) | gdb_data_seg_bits)
-output *$
+output/x *$
echo \n
end
document xcons
Print the contents of $, assuming it is an Emacs Lisp cons.
end
+define nextcons
+p $.cdr
+xcons
+end
+document nextcons
+Print the contents of the next cell in a list.
+This assumes that the last thing you printed was a cons cell contents
+(type struct Lisp_Cons) or a pointer to one.
+end
define xcar
-print ((($ >> gdb_valbits) & 0xf) == Lisp_Cons ? ((struct Lisp_Cons *) (($ & $valmask) | gdb_data_seg_bits))->car : 0)
+print/x ((($ >> gdb_valbits) & 0xf) == Lisp_Cons ? ((struct Lisp_Cons *) (($ & $valmask) | gdb_data_seg_bits))->car : 0)
end
document xcar
Print the car of $, assuming it is an Emacs Lisp pair.
end
define xcdr
-print ((($ >> gdb_valbits) & 0xf) == Lisp_Cons ? ((struct Lisp_Cons *) (($ & $valmask) | gdb_data_seg_bits))->cdr : 0)
+print/x ((($ >> gdb_valbits) & 0xf) == Lisp_Cons ? ((struct Lisp_Cons *) (($ & $valmask) | gdb_data_seg_bits))->cdr : 0)
end
document xcdr
Print the cdr of $, assuming it is an Emacs Lisp pair.
end
-define xsubr
-print (struct Lisp_Subr *) (($ & $valmask) | gdb_data_seg_bits)
-output *$
-echo \n
-end
-document xsubr
-Print the address of the subr which the Lisp_Object $ points to.
-end
-
-define xprocess
-print (struct Lisp_Process *) (($ & $valmask) | gdb_data_seg_bits)
-output *$
-echo \n
-end
-document xprocess
-Print the address of the struct Lisp_process which the Lisp_Object $ points to.
-end
-
define xfloat
print ((struct Lisp_Float *) (($ & $valmask) | gdb_data_seg_bits))->data
end
Print $ as a scrollbar pointer.
end
+define xprintsym
+ set $sym = (struct Lisp_Symbol *) ((((int) $arg0) & $valmask) | gdb_data_seg_bits)
+ set $sym_name = ((struct Lisp_String *)(($sym->xname & $valmask) | gdb_data_seg_bits))
+ output ($sym_name->data[0])@($sym_name->size_byte < 0 ? $sym_name->size : $sym_name->size_byte)
+ echo \n
+end
+document xprintsym
+ Print argument as a symbol.
+end
+
+define xbacktrace
+ set $bt = backtrace_list
+ while $bt
+ set $type = (enum Lisp_Type) ((*$bt->function >> gdb_valbits) & 0x7)
+ if $type == Lisp_Symbol
+ xprintsym *$bt->function
+ else
+ printf "0x%x ", *$bt->function
+ if $type == Lisp_Vectorlike
+ set $size = ((struct Lisp_Vector *) ((*$bt->function & $valmask) | gdb_data_seg_bits))->size
+ output (enum pvec_type) (($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
HCoop / bpt / emacs.git / blobdiff