+# Set up a mask to use.
+
+# Force loading of symbols, enough to give us gdb_valbits etc.
+set main
+
+# Find lwlib source files too.
+dir ../lwlib
+
+# 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 $nonvalbits = gdb_emacs_intbits - gdb_valbits
+
# Set up something to print out s-expressions.
define pr
-set Fprin1 ($, Qexternal_debugging_output)
-echo \n
+set debug_print ($)
end
document pr
Print the emacs s-expression which is $.
end
define xtype
-print (enum Lisp_Type) (($ >> 24) & 0x7f)
-p $$
+output (enum Lisp_Type) (($ >> gdb_valbits) & 0x7)
+echo \n
+output ((($ >> gdb_valbits) & 0x7) == Lisp_Misc ? (enum Lisp_Misc_Type) (((struct Lisp_Free *) (($ & $valmask) | gdb_data_seg_bits))->type) : (($ >> gdb_valbits) & 0x7) == Lisp_Vectorlike ? ($size = ((struct Lisp_Vector *) (($ & $valmask) | gdb_data_seg_bits))->size, (enum pvec_type) (($size & PVEC_FLAG) ? $size & PVEC_TYPE_MASK : 0)) : 0)
+echo \n
end
document xtype
-Print the type of $, assuming it is an Elisp value.
+Print the type of $, assuming it is an Emacs Lisp value.
+If the first type printed is Lisp_Vector or Lisp_Misc,
+the second line gives the more precise type.
+Otherwise the second line doesn't mean anything.
+end
+
+define xvectype
+set $size = ((struct Lisp_Vector *) (($ & $valmask) | gdb_data_seg_bits))->size
+output (enum pvec_type) (($size & PVEC_FLAG) ? $size & PVEC_TYPE_MASK : 0)
+echo \n
+end
+document xvectype
+Print the vector subtype of $, assuming it is a vector or pseudovector.
+end
+
+define xmisctype
+output (enum Lisp_Misc_Type) (((struct Lisp_Free *) (($ & $valmask) | gdb_data_seg_bits))->type)
+echo \n
+end
+document xmisctype
+Print the specific type of $, assuming it is some misc type.
end
define xint
-print (($ & 0x00ffffff) << 8) >> 8
+print (($ & $valmask) << $nonvalbits) >> $nonvalbits
end
document xint
-Print $, assuming it is an Elisp integer. This gets the sign right.
+Print $, assuming it is an Emacs Lisp integer. This gets the sign right.
end
define xptr
-print (void *) ($ & 0x00ffffff)
+print (void *) (($ & $valmask) | gdb_data_seg_bits)
end
document xptr
-Print the pointer portion of $, assuming it is an Elisp value.
+Print the pointer portion of $, assuming it is an Emacs Lisp value.
end
define xwindow
-print (struct window *) ($ & 0x00ffffff)
-print ($->left)@4
-print $$
+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 Elisp window value.
-Print the window's position as { left, top, height, width }.
+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 *) ($ & 0x00ffffff)
+print (struct Lisp_Marker *) (($ & $valmask) | gdb_data_seg_bits)
end
document xmarker
-Print $ as a marker pointer, assuming it is an Elisp marker value.
+Print $ as a marker pointer, assuming it is an Emacs Lisp marker value.
+end
+
+define xoverlay
+print (struct Lisp_Overlay *) (($ & $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 *) (($ & $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 *) (($ & $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 *) (($ & $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 *) (($ & $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 *) (($ & $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 *) (($ & $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 *) (($ & $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 xbuffer
-print (struct buffer *) ($ & 0x00ffffff)
-print &((struct Lisp_String *) (($->name) & 0x00ffffff))->data
-print $$
+print (struct buffer *) (($ & $valmask) | gdb_data_seg_bits)
+output &((struct Lisp_String *) ((($->name) & $valmask) | gdb_data_seg_bits))->data
+echo \n
end
document xbuffer
-Set $ as a buffer pointer, assuming it is an Elisp buffer value.
+Set $ as a buffer pointer, assuming it is an Emacs Lisp buffer value.
Print the name of the buffer.
end
define xsymbol
-print (struct Lisp_Symbol *) ($ & 0x00ffffff)
-print &$->name->data
-print $$
+print (struct Lisp_Symbol *) ((((int) $) & $valmask) | gdb_data_seg_bits)
+output (char*)&$->name->data
+echo \n
end
document xsymbol
Print the name and address of the symbol $.
-This command assumes that $ is an Elisp symbol value.
+This command assumes that $ is an Emacs Lisp symbol value.
end
define xstring
-print (struct Lisp_String *) ($ & 0x00ffffff)
-print ($->size > 10000) ? "big string" : ($->data[0])@($->size)
-print $$
+print (struct Lisp_String *) (($ & $valmask) | gdb_data_seg_bits)
+output ($->size > 1000) ? 0 : ($->data[0])@($->size)
+echo \n
end
document xstring
Print the contents and address of the string $.
-This command assumes that $ is an Elisp string value.
+This command assumes that $ is an Emacs Lisp string value.
end
define xvector
-set $temp = (struct Lisp_Vector *) ($ & 0x00ffffff)
-print ($temp->size > 10000) ? "big vector" : ($temp->contents[0])@($temp->size)
-print $temp
+print (struct Lisp_Vector *) (($ & $valmask) | gdb_data_seg_bits)
+output ($->size > 50) ? 0 : ($->contents[0])@($->size)
+echo \n
end
document xvector
Print the contents and address of the vector $.
-This command assumes that $ is an Elisp vector value.
+This command assumes that $ is an Emacs Lisp vector value.
end
-define xscreen
-print (struct screen *) ($ & 0x00ffffff)
+define xframe
+print (struct frame *) (($ & $valmask) | gdb_data_seg_bits)
end
-document xwindow
-Print $ as a screen pointer, assuming it is an Elisp screen value.
+document xframe
+Print $ as a frame pointer, assuming it is an Emacs Lisp frame value.
+end
+
+define xwinconfig
+print (struct save_window_data *) (($ & $valmask) | gdb_data_seg_bits)
+end
+document xwinconfig
+Print $ as a window configuration pointer, assuming it is an Emacs Lisp window configuration value.
+end
+
+define xcompiled
+print (struct Lisp_Vector *) (($ & $valmask) | gdb_data_seg_bits)
+output ($->contents[0])@($->size & 0xff)
+end
+document xcompiled
+Print $ as a compiled function pointer, assuming it is an Emacs Lisp compiled value.
end
define xcons
-print (struct Lisp_Cons *) ($ & 0x00ffffff)
-print *$
-print $$
+print (struct Lisp_Cons *) (($ & $valmask) | gdb_data_seg_bits)
+output/x *$
+echo \n
end
document xcons
-Print the contents of $, assuming it is an Elisp cons.
+Print the contents of $, assuming it is an Emacs Lisp cons.
end
+define nextcons
+p $.cdr
+xcons
+end
+document nextcons
+Print the contents of the next cell in a list.
+This assumes that the last thing you printed was a cons cell contents
+(type struct Lisp_Cons) or a pointer to one.
+end
define xcar
-print ((($ >> 24) & 0x7f) == Lisp_Cons ? ((struct Lisp_Cons *) ($ & 0x00ffffff))->car : 0)
+print ((($ >> 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 Elisp pair.
+Print the car of $, assuming it is an Emacs Lisp pair.
end
define xcdr
-print ((($ >> 24) & 0x7f) == Lisp_Cons ? ((struct Lisp_Cons *) ($ & 0x00ffffff))->cdr : 0)
+print ((($ >> 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 Elisp pair.
+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
+document xfloat
+Print $ assuming it is a lisp floating-point number.
+end
+
+define xscrollbar
+print (struct scrollbar *) (($ & $valmask) | gdb_data_seg_bits)
+output *$
+echo \n
+end
+document xscrollbar
+Print $ as a scrollbar pointer.
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 below as well.
+# 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 _XPrintDefaultError
-
-unset environment TERMCAP
-unset environment TERM
-set environment DISPLAY :0.0
-show environment DISPLAY
-set args -q
+break x_error_quitter