+# Copyright (C) 1992, 93, 94, 95, 96, 97, 1998, 2000, 01, 2004
+# 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.
+
+define xgetptr
+ set $ptr = (gdb_use_union ? $arg0.u.val : $arg0 & $valmask) | gdb_data_seg_bits
+end
+
+define xgetint
+ set $int = gdb_use_union ? $arg0.s.val : (gdb_use_lsb ? $arg0 : $arg0 << gdb_gctypebits) >> gdb_gctypebits
+end
+
+define xgettype
+ set $type = gdb_use_union ? $arg0.s.type : (enum Lisp_Type) (gdb_use_lsb ? $arg0 & $tagmask : $arg0 >> gdb_valbits)
+end
+
# Set up something to print out s-expressions.
define pr
-set debug_print ($)
-echo \n
+ set debug_print ($)
end
document pr
Print the emacs s-expression which is $.
Works only when an inferior emacs is executing.
end
-# Set this to the same thing as the DATA_SEG_BITS macro in your
-# machine-description files.
-set $data_seg_bits = 0
-
-define mips
-set $data_seg_bits = 0x10000000
+# Print out s-expressions
+define pp
+ set $tmp = $arg0
+ set debug_print ($tmp)
end
-document mips
-Set up the xfoo macros to deal with the MIPS processor.
-Specifically, this sets $data_seg_bits to the right thing.
+document pp
+Print the argument as an emacs s-expression
+Works only when an inferior emacs is executing.
end
define xtype
-output (enum Lisp_Type) (($ >> 28) & 0x7)
-echo \n
-output ((($ >> 28) & 0x7) == Lisp_Misc ? (enum Lisp_Misc_Type) (((struct Lisp_Free *) (($ & 0x0fffffff) | $data_seg_bits))->type) : (($ >> 28) & 0x7) == Lisp_Vectorlike ? ($size = ((struct Lisp_Vector *) (($ & 0x0fffffff) | $data_seg_bits))->size, (enum pvec_type) (($size & PVEC_FLAG) ? $size & PVEC_TYPE_MASK : 0)) : 0)
-echo \n
+ xgettype $
+ output $type
+ echo \n
+ if $type == Lisp_Misc
+ xmisctype
+ else
+ if $type == Lisp_Vectorlike
+ xvectype
+ end
+ end
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.
+a second line gives the more precise type.
end
define xvectype
-set $size = ((struct Lisp_Vector *) (($ & 0x0fffffff) | $data_seg_bits))->size
-output (enum pvec_type) (($size & PVEC_FLAG) ? $size & PVEC_TYPE_MASK : 0)
-echo \n
+ xgetptr $
+ set $size = ((struct Lisp_Vector *) $ptr)->size
+ output ($size & PVEC_FLAG) ? (enum pvec_type) ($size & PVEC_TYPE_MASK) : $size & ~gdb_array_mark_flag
+ echo \n
end
document xvectype
-Print the vector subtype of $, assuming it is a vector or pseudovector.
+Print the size or vector subtype of $, assuming it is a vector or pseudovector.
end
define xmisctype
-output (enum Lisp_Misc_Type) (((struct Lisp_Free *) (($ & 0x0fffffff) | $data_seg_bits))->type)
-echo \n
+ xgetptr $
+ output (enum Lisp_Misc_Type) (((struct Lisp_Free *) $ptr)->type)
+ echo \n
end
document xmisctype
Print the specific type of $, assuming it is some misc type.
end
define xint
-print (($ & 0x0fffffff) << 4) >> 4
+ xgetint $
+ print $int
end
document xint
Print $, assuming it is an Emacs Lisp integer. This gets the sign right.
end
define xptr
-print (void *) (($ & 0x0fffffff) | $data_seg_bits)
+ xgetptr $
+ print (void *) $ptr
end
document xptr
Print the pointer portion of $, assuming it is an Emacs Lisp value.
end
-define xwindow
-print (struct window *) (($ & 0x0fffffff) | $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 *) (($ & 0x0fffffff) | $data_seg_bits)
+ xgetptr $
+ print (struct Lisp_Marker *) $ptr
end
document xmarker
Print $ as a marker pointer, assuming it is an Emacs Lisp marker value.
end
define xoverlay
-print (struct Lisp_Overlay *) (($ & 0x0fffffff) | $data_seg_bits)
+ xgetptr $
+ print (struct Lisp_Overlay *) $ptr
end
document xoverlay
Print $ as a overlay pointer, assuming it is an Emacs Lisp overlay value.
end
define xmiscfree
-print (struct Lisp_Free *) (($ & 0x0fffffff) | $data_seg_bits)
+ xgetptr $
+ print (struct Lisp_Free *) $ptr
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 *) (($ & 0x0fffffff) | $data_seg_bits)
+ xgetptr $
+ print (struct Lisp_Intfwd *) $ptr
end
document xintfwd
Print $ as an integer forwarding pointer, assuming it is an Emacs Lisp Misc value.
end
define xboolfwd
-print (struct Lisp_Boolfwd *) (($ & 0x0fffffff) | $data_seg_bits)
+ xgetptr $
+ print (struct Lisp_Boolfwd *) $ptr
end
document xboolfwd
Print $ as a boolean forwarding pointer, assuming it is an Emacs Lisp Misc value.
end
define xobjfwd
-print (struct Lisp_Objfwd *) (($ & 0x0fffffff) | $data_seg_bits)
+ xgetptr $
+ print (struct Lisp_Objfwd *) $ptr
end
document xobjfwd
Print $ as an object forwarding pointer, assuming it is an Emacs Lisp Misc value.
end
-define xbuffer_objfwd
-print (struct Lisp_Buffer_Objfwd *) (($ & 0x0fffffff) | $data_seg_bits)
+define xbufobjfwd
+ xgetptr $
+ print (struct Lisp_Buffer_Objfwd *) $ptr
end
-document xbuffer_objfwd
+document xbufobjfwd
Print $ as a buffer-local object forwarding pointer, assuming it is an Emacs Lisp Misc value.
end
-define xbuffer_local_value
-print (struct Lisp_Buffer_Local_Value *) (($ & 0x0fffffff) | $data_seg_bits)
+define xkbobjfwd
+ xgetptr $
+ print (struct Lisp_Kboard_Objfwd *) $ptr
end
-document xbuffer_local_value
-Print $ as a buffer-local-value pointer, assuming it is an Emacs Lisp Misc value.
+document xkbobjfwd
+Print $ as a kboard-local object forwarding pointer, assuming it is an Emacs Lisp Misc value.
end
-define xbuffer
-print (struct buffer *) (($ & 0x0fffffff) | $data_seg_bits)
-output &((struct Lisp_String *) ((($->name) & 0x0fffffff) | $data_seg_bits))->data
-echo \n
+define xbuflocal
+ xgetptr $
+ print (struct Lisp_Buffer_Local_Value *) $ptr
end
-document xbuffer
-Set $ as a buffer pointer, assuming it is an Emacs Lisp buffer value.
-Print the name of the buffer.
+document xbuflocal
+Print $ as a buffer-local-value pointer, assuming it is an Emacs Lisp Misc value.
end
define xsymbol
-print (struct Lisp_Symbol *) ((((int) $) & 0x0fffffff) | $data_seg_bits)
-output &$->name->data
-echo \n
+ set $sym = $
+ xgetptr $sym
+ print (struct Lisp_Symbol *) $ptr
+ xprintsym $sym
+ echo \n
end
document xsymbol
Print the name and address of the symbol $.
end
define xstring
-print (struct Lisp_String *) (($ & 0x0fffffff) | $data_seg_bits)
-output ($->size > 1000) ? 0 : ($->data[0])@($->size)
-echo \n
+ xgetptr $
+ print (struct Lisp_String *) $ptr
+ xprintstr $
+ echo \n
end
document xstring
Print the contents and address of the string $.
end
define xvector
-print (struct Lisp_Vector *) (($ & 0x0fffffff) | $data_seg_bits)
-output ($->size > 50) ? 0 : ($->contents[0])@($->size)
+ xgetptr $
+ print (struct Lisp_Vector *) $ptr
+ output ($->size > 50) ? 0 : ($->contents[0])@($->size & ~gdb_array_mark_flag)
echo \n
end
document xvector
This command assumes that $ is an Emacs Lisp vector value.
end
+define xprocess
+ xgetptr $
+ print (struct Lisp_Process *) $ptr
+ output *$
+ 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 *) (($ & 0x0fffffff) | $data_seg_bits)
+ xgetptr $
+ print (struct frame *) $ptr
end
document xframe
Print $ as a frame pointer, assuming it is an Emacs Lisp frame value.
end
-define xwindow_configuration
-print (struct save_window_data *) (($ & 0x0fffffff) | $data_seg_bits)
+define xcompiled
+ xgetptr $
+ print (struct Lisp_Vector *) $ptr
+ output ($->contents[0])@($->size & 0xff)
+end
+document xcompiled
+Print $ as a compiled function pointer, assuming it is an Emacs Lisp compiled value.
+end
+
+define xwindow
+ xgetptr $
+ print (struct window *) $ptr
+ 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
+ xgetptr $
+ print (struct save_window_data *) $ptr
end
-document xwindow_configuration
+document xwinconfig
Print $ as a window configuration pointer, assuming it is an Emacs Lisp window configuration value.
end
-define xcompiled
-print (struct Lisp_Vector *) (($ & 0x0fffffff) | $data_seg_bits)
-output ($->contents[0])@($->size & 0xff)
+define xsubr
+ xgetptr $
+ print (struct Lisp_Subr *) $ptr
+ output *$
+ 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
+ xgetptr $
+ print (struct Lisp_Char_Table *) $ptr
+ printf "Purpose: "
+ xprintsym $->purpose
+ printf " %d extra slots", ($->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
+ xgetptr $
+ print (struct Lisp_Bool_Vector *) $ptr
+ output ($->size > 256) ? 0 : ($->data[0])@((($->size & ~gdb_array_mark_flag) + 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
+ xgetptr $
+ print (struct buffer *) $ptr
+ xgetptr $->name
+ output ((struct Lisp_String *) $ptr)->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
+ xgetptr $
+ print (struct Lisp_Hash_Table *) $ptr
+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 *) (($ & 0x0fffffff) | $data_seg_bits)
-output *$
-echo \n
+ xgetptr $
+ print (struct Lisp_Cons *) $ptr
+ output/x *$
+ echo \n
end
document xcons
Print the contents of $, assuming it is an Emacs Lisp cons.
end
+define nextcons
+ p $.cdr
+ xcons
+end
+document nextcons
+Print the contents of the next cell in a list.
+This assumes that the last thing you printed was a cons cell contents
+(type struct Lisp_Cons) or a pointer to one.
+end
define xcar
-print ((($ >> 28) & 0xf) == Lisp_Cons ? ((struct Lisp_Cons *) (($ & 0x0fffffff) | $data_seg_bits))->car : 0)
+ xgetptr $
+ xgettype $
+ print/x ($type == Lisp_Cons ? ((struct Lisp_Cons *) $ptr)->car : 0)
end
document xcar
Print the car of $, assuming it is an Emacs Lisp pair.
end
define xcdr
-print ((($ >> 28) & 0xf) == Lisp_Cons ? ((struct Lisp_Cons *) (($ & 0x0fffffff) | $data_seg_bits))->cdr : 0)
+ xgetptr $
+ xgettype $
+ print/x ($type == Lisp_Cons ? ((struct Lisp_Cons *) $ptr)->cdr : 0)
end
document xcdr
Print the cdr of $, assuming it is an Emacs Lisp pair.
end
-define xsubr
-print (struct Lisp_Subr *) (($ & 0x0fffffff) | $data_seg_bits)
-output *$
-echo \n
-end
-document xsubr
-Print the address of the subr which the Lisp_Object $ points to.
-end
-
-define xprocess
-print (struct Lisp_Process *) (($ & 0x0fffffff) | $data_seg_bits)
-output *$
-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 *) (($ & 0x0fffffff) | $data_seg_bits))->data
+ xgetptr $
+ print ((struct Lisp_Float *) $ptr)->data
end
document xfloat
Print $ assuming it is a lisp floating-point number.
end
define xscrollbar
-print (struct scrollbar *) (($ & 0x0fffffff) | $data_seg_bits)
+ xgetptr $
+ print (struct scrollbar *) $ptr
output *$
echo \n
end
Print $ as a scrollbar pointer.
end
+define xprintstr
+ set $data = $arg0->data
+ output ($arg0->size > 1000) ? 0 : ($data[0])@($arg0->size_byte < 0 ? $arg0->size & ~gdb_array_mark_flag : $arg0->size_byte)
+end
+
+define xprintsym
+ xgetptr $arg0
+ set $sym = (struct Lisp_Symbol *) $ptr
+ xgetptr $sym->xname
+ set $sym_name = (struct Lisp_String *) $ptr
+ xprintstr $sym_name
+end
+document xprintsym
+ Print argument as a symbol.
+end
+
+define xbacktrace
+ set $bt = backtrace_list
+ while $bt
+ xgettype (*$bt->function)
+ if $type == Lisp_Symbol
+ xprintsym (*$bt->function)
+ echo \n
+ else
+ printf "0x%x ", *$bt->function
+ if $type == Lisp_Vectorlike
+ xgetptr (*$bt->function)
+ set $size = ((struct Lisp_Vector *) $ptr)->size
+ output ($size & PVEC_FLAG) ? (enum pvec_type) ($size & PVEC_TYPE_MASK) : $size & ~gdb_array_mark_flag
+ 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 $tagmask = (((long)1 << gdb_gctypebits) - 1)
+ set $valmask = gdb_use_lsb ? ~($tagmask) : ((long)1 << gdb_valbits) - 1
+end
+document xreload
+ When starting Emacs a second time in the same gdb session under
+ FreeBSD 2.2.5, gdb 4.13, $valmask have lost
+ their values. (The same happens on current (2000) versions of GNU/Linux
+ with gdb 5.0.)
+ This function reloads them.
+end
+xreload
+
+# Flush display (X only)
+define ff
+ set x_flush (0)
+end
+document ff
+Flush pending X window display updates to screen.
+Works only when an inferior emacs is executing.
+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
# instead...
break x_error_quitter
-
+# arch-tag: 12f34321-7bfa-4240-b77a-3cd3a1696dfe